From 9f04a1f2b389a656486c1f9f918a3305569fba6a Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy Date: Tue, 16 Aug 2016 23:26:43 +0300 Subject: drm: dw_hdmi: use of_get_i2c_adapter_by_node interface This change is needed to properly lock I2C bus driver, which serves DDC. The change fixes an overflow over zero of I2C bus driver user counter: root@imx6q:~# lsmod Not tainted dw_hdmi_ahb_audio 4082 0 - Live 0xbf02c000 dw_hdmi_imx 3498 0 - Live 0xbf00d000 dw_hdmi 16398 2 dw_hdmi_ahb_audio,dw_hdmi_imx, Live 0xbf004000 i2c_imx 16687 0 - Live 0xbf017000 root@imx6q:~# rmmod dw_hdmi_imx root@imx6q:~# lsmod Not tainted dw_hdmi_ahb_audio 4082 0 - Live 0xbf02c000 dw_hdmi 16398 1 dw_hdmi_ahb_audio, Live 0xbf004000 i2c_imx 16687 -1 - Live 0xbf017000 ^^ root@imx6q:~# rmmod i2c_imx rmmod: ERROR: Module i2c_imx is in use Note that prior to this change put_device() coupled with of_find_i2c_adapter_by_node() was missing on error path of dw_hdmi_bind(), added i2c_put_adapter() there along with the change. Signed-off-by: Vladimir Zapolskiy Acked-by: Russell King Cc: Fabio Estevam Signed-off-by: Philipp Zabel --- drivers/gpu/drm/bridge/dw-hdmi.c | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index 77ab47341658..ce3527cd0d25 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -1686,7 +1686,7 @@ int dw_hdmi_bind(struct device *dev, struct device *master, ddc_node = of_parse_phandle(np, "ddc-i2c-bus", 0); if (ddc_node) { - hdmi->ddc = of_find_i2c_adapter_by_node(ddc_node); + hdmi->ddc = of_get_i2c_adapter_by_node(ddc_node); of_node_put(ddc_node); if (!hdmi->ddc) { dev_dbg(hdmi->dev, "failed to read ddc node\n"); @@ -1698,20 +1698,22 @@ int dw_hdmi_bind(struct device *dev, struct device *master, } hdmi->regs = devm_ioremap_resource(dev, iores); - if (IS_ERR(hdmi->regs)) - return PTR_ERR(hdmi->regs); + if (IS_ERR(hdmi->regs)) { + ret = PTR_ERR(hdmi->regs); + goto err_res; + } hdmi->isfr_clk = devm_clk_get(hdmi->dev, "isfr"); if (IS_ERR(hdmi->isfr_clk)) { ret = PTR_ERR(hdmi->isfr_clk); dev_err(hdmi->dev, "Unable to get HDMI isfr clk: %d\n", ret); - return ret; + goto err_res; } ret = clk_prepare_enable(hdmi->isfr_clk); if (ret) { dev_err(hdmi->dev, "Cannot enable HDMI isfr clock: %d\n", ret); - return ret; + goto err_res; } hdmi->iahb_clk = devm_clk_get(hdmi->dev, "iahb"); @@ -1797,6 +1799,8 @@ err_iahb: clk_disable_unprepare(hdmi->iahb_clk); err_isfr: clk_disable_unprepare(hdmi->isfr_clk); +err_res: + i2c_put_adapter(hdmi->ddc); return ret; } -- cgit v1.2.3 From 3efc2fa3b777e65e344a7612d38a8278e78a0514 Mon Sep 17 00:00:00 2001 From: Vladimir Zapolskiy Date: Wed, 24 Aug 2016 08:46:37 +0300 Subject: drm: bridge/dw_hdmi: add dw hdmi i2c bus adapter support The change adds support of internal HDMI I2C master controller, this subdevice is used by default, if "ddc-i2c-bus" DT property is omitted. The main purpose of this functionality is to support reading EDID from an HDMI monitor on boards, which don't have an I2C bus connected to DDC pins. The current implementation does not support "I2C Master Interface Extended Read Mode" to read data addressed by non-zero segment pointer, this means that if EDID has more than 1 extension blocks, EDID reading operation won't succeed, in my practice all tested HDMI monitors have at maximum one extension block. Signed-off-by: Vladimir Zapolskiy Acked-by: Rob Herring Tested-by: Philipp Zabel Signed-off-by: Philipp Zabel --- .../devicetree/bindings/display/bridge/dw_hdmi.txt | 4 +- drivers/gpu/drm/bridge/dw-hdmi.c | 265 ++++++++++++++++++++- drivers/gpu/drm/bridge/dw-hdmi.h | 19 ++ 3 files changed, 281 insertions(+), 7 deletions(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt index dc1452f0d5d8..5e9a84d6e5f1 100644 --- a/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt +++ b/Documentation/devicetree/bindings/display/bridge/dw_hdmi.txt @@ -19,7 +19,9 @@ Required properties: Optional properties - reg-io-width: the width of the reg:1,4, default set to 1 if not present -- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing +- ddc-i2c-bus: phandle of an I2C controller used for DDC EDID probing, + if the property is omitted, a functionally reduced I2C bus + controller on DW HDMI is probed - clocks, clock-names: phandle to the HDMI CEC clock, name should be "cec" Example: diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index ce3527cd0d25..cdf0a3a2e6f8 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -1,14 +1,15 @@ /* + * DesignWare High-Definition Multimedia Interface (HDMI) driver + * + * Copyright (C) 2013-2015 Mentor Graphics Inc. * Copyright (C) 2011-2013 Freescale Semiconductor, Inc. + * Copyright (C) 2010, Guennadi Liakhovetski * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * - * Designware High-Definition Multimedia Interface (HDMI) driver - * - * Copyright (C) 2010, Guennadi Liakhovetski */ #include #include @@ -101,6 +102,17 @@ struct hdmi_data_info { struct hdmi_vmode video_mode; }; +struct dw_hdmi_i2c { + struct i2c_adapter adap; + + struct mutex lock; /* used to serialize data transfers */ + struct completion cmp; + u8 stat; + + u8 slave_reg; + bool is_regaddr; +}; + struct dw_hdmi { struct drm_connector connector; struct drm_encoder *encoder; @@ -111,6 +123,7 @@ struct dw_hdmi { struct device *dev; struct clk *isfr_clk; struct clk *iahb_clk; + struct dw_hdmi_i2c *i2c; struct hdmi_data_info hdmi_data; const struct dw_hdmi_plat_data *plat_data; @@ -198,6 +211,201 @@ static void hdmi_mask_writeb(struct dw_hdmi *hdmi, u8 data, unsigned int reg, hdmi_modb(hdmi, data << shift, mask, reg); } +static void dw_hdmi_i2c_init(struct dw_hdmi *hdmi) +{ + /* Software reset */ + hdmi_writeb(hdmi, 0x00, HDMI_I2CM_SOFTRSTZ); + + /* Set Standard Mode speed (determined to be 100KHz on iMX6) */ + hdmi_writeb(hdmi, 0x00, HDMI_I2CM_DIV); + + /* Set done, not acknowledged and arbitration interrupt polarities */ + hdmi_writeb(hdmi, HDMI_I2CM_INT_DONE_POL, HDMI_I2CM_INT); + hdmi_writeb(hdmi, HDMI_I2CM_CTLINT_NAC_POL | HDMI_I2CM_CTLINT_ARB_POL, + HDMI_I2CM_CTLINT); + + /* Clear DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_I2CM_STAT0); + + /* Mute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_MUTE_I2CM_STAT0); +} + +static int dw_hdmi_i2c_read(struct dw_hdmi *hdmi, + unsigned char *buf, unsigned int length) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + int stat; + + if (!i2c->is_regaddr) { + dev_dbg(hdmi->dev, "set read register address to 0\n"); + i2c->slave_reg = 0x00; + i2c->is_regaddr = true; + } + + while (length--) { + reinit_completion(&i2c->cmp); + + hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); + hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_READ, + HDMI_I2CM_OPERATION); + + stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); + if (!stat) + return -EAGAIN; + + /* Check for error condition on the bus */ + if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR) + return -EIO; + + *buf++ = hdmi_readb(hdmi, HDMI_I2CM_DATAI); + } + + return 0; +} + +static int dw_hdmi_i2c_write(struct dw_hdmi *hdmi, + unsigned char *buf, unsigned int length) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + int stat; + + if (!i2c->is_regaddr) { + /* Use the first write byte as register address */ + i2c->slave_reg = buf[0]; + length--; + buf++; + i2c->is_regaddr = true; + } + + while (length--) { + reinit_completion(&i2c->cmp); + + hdmi_writeb(hdmi, *buf++, HDMI_I2CM_DATAO); + hdmi_writeb(hdmi, i2c->slave_reg++, HDMI_I2CM_ADDRESS); + hdmi_writeb(hdmi, HDMI_I2CM_OPERATION_WRITE, + HDMI_I2CM_OPERATION); + + stat = wait_for_completion_timeout(&i2c->cmp, HZ / 10); + if (!stat) + return -EAGAIN; + + /* Check for error condition on the bus */ + if (i2c->stat & HDMI_IH_I2CM_STAT0_ERROR) + return -EIO; + } + + return 0; +} + +static int dw_hdmi_i2c_xfer(struct i2c_adapter *adap, + struct i2c_msg *msgs, int num) +{ + struct dw_hdmi *hdmi = i2c_get_adapdata(adap); + struct dw_hdmi_i2c *i2c = hdmi->i2c; + u8 addr = msgs[0].addr; + int i, ret = 0; + + dev_dbg(hdmi->dev, "xfer: num: %d, addr: %#x\n", num, addr); + + for (i = 0; i < num; i++) { + if (msgs[i].addr != addr) { + dev_warn(hdmi->dev, + "unsupported transfer, changed slave address\n"); + return -EOPNOTSUPP; + } + + if (msgs[i].len == 0) { + dev_dbg(hdmi->dev, + "unsupported transfer %d/%d, no data\n", + i + 1, num); + return -EOPNOTSUPP; + } + } + + mutex_lock(&i2c->lock); + + /* Unmute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, 0x00, HDMI_IH_MUTE_I2CM_STAT0); + + /* Set slave device address taken from the first I2C message */ + hdmi_writeb(hdmi, addr, HDMI_I2CM_SLAVE); + + /* Set slave device register address on transfer */ + i2c->is_regaddr = false; + + for (i = 0; i < num; i++) { + dev_dbg(hdmi->dev, "xfer: num: %d/%d, len: %d, flags: %#x\n", + i + 1, num, msgs[i].len, msgs[i].flags); + + if (msgs[i].flags & I2C_M_RD) + ret = dw_hdmi_i2c_read(hdmi, msgs[i].buf, msgs[i].len); + else + ret = dw_hdmi_i2c_write(hdmi, msgs[i].buf, msgs[i].len); + + if (ret < 0) + break; + } + + if (!ret) + ret = num; + + /* Mute DONE and ERROR interrupts */ + hdmi_writeb(hdmi, HDMI_IH_I2CM_STAT0_ERROR | HDMI_IH_I2CM_STAT0_DONE, + HDMI_IH_MUTE_I2CM_STAT0); + + mutex_unlock(&i2c->lock); + + return ret; +} + +static u32 dw_hdmi_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; +} + +static const struct i2c_algorithm dw_hdmi_algorithm = { + .master_xfer = dw_hdmi_i2c_xfer, + .functionality = dw_hdmi_i2c_func, +}; + +static struct i2c_adapter *dw_hdmi_i2c_adapter(struct dw_hdmi *hdmi) +{ + struct i2c_adapter *adap; + struct dw_hdmi_i2c *i2c; + int ret; + + i2c = devm_kzalloc(hdmi->dev, sizeof(*i2c), GFP_KERNEL); + if (!i2c) + return ERR_PTR(-ENOMEM); + + mutex_init(&i2c->lock); + init_completion(&i2c->cmp); + + adap = &i2c->adap; + adap->class = I2C_CLASS_DDC; + adap->owner = THIS_MODULE; + adap->dev.parent = hdmi->dev; + adap->algo = &dw_hdmi_algorithm; + strlcpy(adap->name, "DesignWare HDMI", sizeof(adap->name)); + i2c_set_adapdata(adap, hdmi); + + ret = i2c_add_adapter(adap); + if (ret) { + dev_warn(hdmi->dev, "cannot add %s I2C adapter\n", adap->name); + devm_kfree(hdmi->dev, i2c); + return ERR_PTR(ret); + } + + hdmi->i2c = i2c; + + dev_info(hdmi->dev, "registered %s I2C bus driver\n", adap->name); + + return adap; +} + static void hdmi_set_cts_n(struct dw_hdmi *hdmi, unsigned int cts, unsigned int n) { @@ -1517,16 +1725,40 @@ static const struct drm_bridge_funcs dw_hdmi_bridge_funcs = { .mode_set = dw_hdmi_bridge_mode_set, }; +static irqreturn_t dw_hdmi_i2c_irq(struct dw_hdmi *hdmi) +{ + struct dw_hdmi_i2c *i2c = hdmi->i2c; + unsigned int stat; + + stat = hdmi_readb(hdmi, HDMI_IH_I2CM_STAT0); + if (!stat) + return IRQ_NONE; + + hdmi_writeb(hdmi, stat, HDMI_IH_I2CM_STAT0); + + i2c->stat = stat; + + complete(&i2c->cmp); + + return IRQ_HANDLED; +} + static irqreturn_t dw_hdmi_hardirq(int irq, void *dev_id) { struct dw_hdmi *hdmi = dev_id; u8 intr_stat; + irqreturn_t ret = IRQ_NONE; + + if (hdmi->i2c) + ret = dw_hdmi_i2c_irq(hdmi); intr_stat = hdmi_readb(hdmi, HDMI_IH_PHY_STAT0); - if (intr_stat) + if (intr_stat) { hdmi_writeb(hdmi, ~0, HDMI_IH_MUTE_PHY_STAT0); + return IRQ_WAKE_THREAD; + } - return intr_stat ? IRQ_WAKE_THREAD : IRQ_NONE; + return ret; } static irqreturn_t dw_hdmi_irq(int irq, void *dev_id) @@ -1751,6 +1983,13 @@ int dw_hdmi_bind(struct device *dev, struct device *master, */ hdmi_init_clk_regenerator(hdmi); + /* If DDC bus is not specified, try to register HDMI I2C bus */ + if (!hdmi->ddc) { + hdmi->ddc = dw_hdmi_i2c_adapter(hdmi); + if (IS_ERR(hdmi->ddc)) + hdmi->ddc = NULL; + } + /* * Configure registers related to HDMI interrupt * generation before registering IRQ. @@ -1791,11 +2030,20 @@ int dw_hdmi_bind(struct device *dev, struct device *master, hdmi->audio = platform_device_register_full(&pdevinfo); } + /* Reset HDMI DDC I2C master controller and mute I2CM interrupts */ + if (hdmi->i2c) + dw_hdmi_i2c_init(hdmi); + dev_set_drvdata(dev, hdmi); return 0; err_iahb: + if (hdmi->i2c) { + i2c_del_adapter(&hdmi->i2c->adap); + hdmi->ddc = NULL; + } + clk_disable_unprepare(hdmi->iahb_clk); err_isfr: clk_disable_unprepare(hdmi->isfr_clk); @@ -1821,13 +2069,18 @@ void dw_hdmi_unbind(struct device *dev, struct device *master, void *data) clk_disable_unprepare(hdmi->iahb_clk); clk_disable_unprepare(hdmi->isfr_clk); - i2c_put_adapter(hdmi->ddc); + + if (hdmi->i2c) + i2c_del_adapter(&hdmi->i2c->adap); + else + i2c_put_adapter(hdmi->ddc); } EXPORT_SYMBOL_GPL(dw_hdmi_unbind); MODULE_AUTHOR("Sascha Hauer "); MODULE_AUTHOR("Andy Yan "); MODULE_AUTHOR("Yakir Yang "); +MODULE_AUTHOR("Vladimir Zapolskiy "); MODULE_DESCRIPTION("DW HDMI transmitter driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:dw-hdmi"); diff --git a/drivers/gpu/drm/bridge/dw-hdmi.h b/drivers/gpu/drm/bridge/dw-hdmi.h index fc9a560429d6..6aadc840e888 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.h +++ b/drivers/gpu/drm/bridge/dw-hdmi.h @@ -566,6 +566,10 @@ enum { HDMI_IH_PHY_STAT0_TX_PHY_LOCK = 0x2, HDMI_IH_PHY_STAT0_HPD = 0x1, +/* IH_I2CM_STAT0 and IH_MUTE_I2CM_STAT0 field values */ + HDMI_IH_I2CM_STAT0_DONE = 0x2, + HDMI_IH_I2CM_STAT0_ERROR = 0x1, + /* IH_MUTE_I2CMPHY_STAT0 field values */ HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYDONE = 0x2, HDMI_IH_MUTE_I2CMPHY_STAT0_I2CMPHYERROR = 0x1, @@ -1032,6 +1036,21 @@ enum { HDMI_A_VIDPOLCFG_HSYNCPOL_MASK = 0x2, HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_HIGH = 0x2, HDMI_A_VIDPOLCFG_HSYNCPOL_ACTIVE_LOW = 0x0, + +/* I2CM_OPERATION field values */ + HDMI_I2CM_OPERATION_WRITE = 0x10, + HDMI_I2CM_OPERATION_READ_EXT = 0x2, + HDMI_I2CM_OPERATION_READ = 0x1, + +/* I2CM_INT field values */ + HDMI_I2CM_INT_DONE_POL = 0x8, + HDMI_I2CM_INT_DONE_MASK = 0x4, + +/* I2CM_CTLINT field values */ + HDMI_I2CM_CTLINT_NAC_POL = 0x80, + HDMI_I2CM_CTLINT_NAC_MASK = 0x40, + HDMI_I2CM_CTLINT_ARB_POL = 0x8, + HDMI_I2CM_CTLINT_ARB_MASK = 0x4, }; #endif /* __DW_HDMI_H__ */ -- cgit v1.2.3 From ce6e153f414a73a52fa1498489ce4adf20229445 Mon Sep 17 00:00:00 2001 From: Andrzej Hajda Date: Mon, 10 Oct 2016 09:39:17 +0200 Subject: drm/bridge: add Silicon Image SiI8620 driver SiI8620 transmitter converts eTMDS/HDMI signal to MHL 3.0. It is controlled via I2C bus. Its interaction with other devices in video pipeline is performed mainly on HW level. The only interaction it does on device driver level is filtering-out unsupported video modes, it exposes drm_bridge interface to perform this operation. Signed-off-by: Andrzej Hajda Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1476085157-5266-1-git-send-email-a.hajda@samsung.com --- drivers/gpu/drm/bridge/Kconfig | 7 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/sil-sii8620.c | 1565 ++++++++++++++++++++++++++++++++++ drivers/gpu/drm/bridge/sil-sii8620.h | 1517 ++++++++++++++++++++++++++++++++ 4 files changed, 3090 insertions(+) create mode 100644 drivers/gpu/drm/bridge/sil-sii8620.c create mode 100644 drivers/gpu/drm/bridge/sil-sii8620.h (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 10e12e74fc9f..bd6acc829f97 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -57,6 +57,13 @@ config DRM_PARADE_PS8622 ---help--- Parade eDP-LVDS bridge chip driver. +config DRM_SIL_SII8620 + tristate "Silicon Image SII8620 HDMI/MHL bridge" + depends on OF + select DRM_KMS_HELPER + help + Silicon Image SII8620 HDMI/MHL bridge chip driver. + config DRM_SII902X tristate "Silicon Image sii902x RGB/HDMI bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index cdf3a3cf765d..97ed1a5fea9a 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -6,6 +6,7 @@ obj-$(CONFIG_DRM_DW_HDMI) += dw-hdmi.o obj-$(CONFIG_DRM_DW_HDMI_AHB_AUDIO) += dw-hdmi-ahb-audio.o obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o +obj-$(CONFIG_DRM_SIL_SII8620) += sil-sii8620.o obj-$(CONFIG_DRM_SII902X) += sii902x.o obj-$(CONFIG_DRM_TOSHIBA_TC358767) += tc358767.o obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix/ diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c new file mode 100644 index 000000000000..1345e7cc7bf0 --- /dev/null +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -0,0 +1,1565 @@ +/* + * Silicon Image SiI8620 HDMI/MHL bridge driver + * + * Copyright (C) 2015, Samsung Electronics Co., Ltd. + * Andrzej Hajda + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include "sil-sii8620.h" + +#define VAL_RX_HDMI_CTRL2_DEFVAL VAL_RX_HDMI_CTRL2_IDLE_CNT(3) + +enum sii8620_mode { + CM_DISCONNECTED, + CM_DISCOVERY, + CM_MHL1, + CM_MHL3, + CM_ECBUS_S +}; + +enum sii8620_sink_type { + SINK_NONE, + SINK_HDMI, + SINK_DVI +}; + +enum sii8620_mt_state { + MT_STATE_READY, + MT_STATE_BUSY, + MT_STATE_DONE +}; + +struct sii8620 { + struct drm_bridge bridge; + struct device *dev; + struct clk *clk_xtal; + struct gpio_desc *gpio_reset; + struct gpio_desc *gpio_int; + struct regulator_bulk_data supplies[2]; + struct mutex lock; /* context lock, protects fields below */ + int error; + enum sii8620_mode mode; + enum sii8620_sink_type sink_type; + u8 cbus_status; + u8 stat[MHL_DST_SIZE]; + u8 xstat[MHL_XDS_SIZE]; + u8 devcap[MHL_DCAP_SIZE]; + u8 xdevcap[MHL_XDC_SIZE]; + u8 avif[19]; + struct edid *edid; + unsigned int gen2_write_burst:1; + enum sii8620_mt_state mt_state; + struct list_head mt_queue; +}; + +struct sii8620_mt_msg; + +typedef void (*sii8620_mt_msg_cb)(struct sii8620 *ctx, + struct sii8620_mt_msg *msg); + +struct sii8620_mt_msg { + struct list_head node; + u8 reg[4]; + u8 ret; + sii8620_mt_msg_cb send; + sii8620_mt_msg_cb recv; +}; + +static const u8 sii8620_i2c_page[] = { + 0x39, /* Main System */ + 0x3d, /* TDM and HSIC */ + 0x49, /* TMDS Receiver, MHL EDID */ + 0x4d, /* eMSC, HDCP, HSIC */ + 0x5d, /* MHL Spec */ + 0x64, /* MHL CBUS */ + 0x59, /* Hardware TPI (Transmitter Programming Interface) */ + 0x61, /* eCBUS-S, eCBUS-D */ +}; + +static void sii8620_fetch_edid(struct sii8620 *ctx); +static void sii8620_set_upstream_edid(struct sii8620 *ctx); +static void sii8620_enable_hpd(struct sii8620 *ctx); +static void sii8620_mhl_disconnected(struct sii8620 *ctx); + +static int sii8620_clear_error(struct sii8620 *ctx) +{ + int ret = ctx->error; + + ctx->error = 0; + return ret; +} + +static void sii8620_read_buf(struct sii8620 *ctx, u16 addr, u8 *buf, int len) +{ + struct device *dev = ctx->dev; + struct i2c_client *client = to_i2c_client(dev); + u8 data = addr; + struct i2c_msg msg[] = { + { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags, + .len = 1, + .buf = &data + }, + { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags | I2C_M_RD, + .len = len, + .buf = buf + }, + }; + int ret; + + if (ctx->error) + return; + + ret = i2c_transfer(client->adapter, msg, 2); + dev_dbg(dev, "read at %04x: %*ph, %d\n", addr, len, buf, ret); + + if (ret != 2) { + dev_err(dev, "Read at %#06x of %d bytes failed with code %d.\n", + addr, len, ret); + ctx->error = ret < 0 ? ret : -EIO; + } +} + +static u8 sii8620_readb(struct sii8620 *ctx, u16 addr) +{ + u8 ret; + + sii8620_read_buf(ctx, addr, &ret, 1); + return ret; +} + +static void sii8620_write_buf(struct sii8620 *ctx, u16 addr, const u8 *buf, + int len) +{ + struct device *dev = ctx->dev; + struct i2c_client *client = to_i2c_client(dev); + u8 data[2]; + struct i2c_msg msg = { + .addr = sii8620_i2c_page[addr >> 8], + .flags = client->flags, + .len = len + 1, + }; + int ret; + + if (ctx->error) + return; + + if (len > 1) { + msg.buf = kmalloc(len + 1, GFP_KERNEL); + if (!msg.buf) { + ctx->error = -ENOMEM; + return; + } + memcpy(msg.buf + 1, buf, len); + } else { + msg.buf = data; + msg.buf[1] = *buf; + } + + msg.buf[0] = addr; + + ret = i2c_transfer(client->adapter, &msg, 1); + dev_dbg(dev, "write at %04x: %*ph, %d\n", addr, len, buf, ret); + + if (ret != 1) { + dev_err(dev, "Write at %#06x of %*ph failed with code %d.\n", + addr, len, buf, ret); + ctx->error = ret ?: -EIO; + } + + if (len > 1) + kfree(msg.buf); +} + +#define sii8620_write(ctx, addr, arr...) \ +({\ + u8 d[] = { arr }; \ + sii8620_write_buf(ctx, addr, d, ARRAY_SIZE(d)); \ +}) + +static void __sii8620_write_seq(struct sii8620 *ctx, const u16 *seq, int len) +{ + int i; + + for (i = 0; i < len; i += 2) + sii8620_write(ctx, seq[i], seq[i + 1]); +} + +#define sii8620_write_seq(ctx, seq...) \ +({\ + const u16 d[] = { seq }; \ + __sii8620_write_seq(ctx, d, ARRAY_SIZE(d)); \ +}) + +#define sii8620_write_seq_static(ctx, seq...) \ +({\ + static const u16 d[] = { seq }; \ + __sii8620_write_seq(ctx, d, ARRAY_SIZE(d)); \ +}) + +static void sii8620_setbits(struct sii8620 *ctx, u16 addr, u8 mask, u8 val) +{ + val = (val & mask) | (sii8620_readb(ctx, addr) & ~mask); + sii8620_write(ctx, addr, val); +} + +static void sii8620_mt_cleanup(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg, *n; + + list_for_each_entry_safe(msg, n, &ctx->mt_queue, node) { + list_del(&msg->node); + kfree(msg); + } + ctx->mt_state = MT_STATE_READY; +} + +static void sii8620_mt_work(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg; + + if (ctx->error) + return; + if (ctx->mt_state == MT_STATE_BUSY || list_empty(&ctx->mt_queue)) + return; + + if (ctx->mt_state == MT_STATE_DONE) { + ctx->mt_state = MT_STATE_READY; + msg = list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, + node); + if (msg->recv) + msg->recv(ctx, msg); + list_del(&msg->node); + kfree(msg); + } + + if (ctx->mt_state != MT_STATE_READY || list_empty(&ctx->mt_queue)) + return; + + ctx->mt_state = MT_STATE_BUSY; + msg = list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, node); + if (msg->send) + msg->send(ctx, msg); +} + +static void sii8620_mt_msc_cmd_send(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + switch (msg->reg[0]) { + case MHL_WRITE_STAT: + case MHL_SET_INT: + sii8620_write_buf(ctx, REG_MSC_CMD_OR_OFFSET, msg->reg + 1, 2); + sii8620_write(ctx, REG_MSC_COMMAND_START, + BIT_MSC_COMMAND_START_WRITE_STAT); + break; + case MHL_MSC_MSG: + sii8620_write_buf(ctx, REG_MSC_CMD_OR_OFFSET, msg->reg, 3); + sii8620_write(ctx, REG_MSC_COMMAND_START, + BIT_MSC_COMMAND_START_MSC_MSG); + break; + default: + dev_err(ctx->dev, "%s: command %#x not supported\n", __func__, + msg->reg[0]); + } +} + +static struct sii8620_mt_msg *sii8620_mt_msg_new(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = kzalloc(sizeof(*msg), GFP_KERNEL); + + if (!msg) + ctx->error = -ENOMEM; + else + list_add_tail(&msg->node, &ctx->mt_queue); + + return msg; +} + +static void sii8620_mt_msc_cmd(struct sii8620 *ctx, u8 cmd, u8 arg1, u8 arg2) +{ + struct sii8620_mt_msg *msg = sii8620_mt_msg_new(ctx); + + if (!msg) + return; + + msg->reg[0] = cmd; + msg->reg[1] = arg1; + msg->reg[2] = arg2; + msg->send = sii8620_mt_msc_cmd_send; +} + +static void sii8620_mt_write_stat(struct sii8620 *ctx, u8 reg, u8 val) +{ + sii8620_mt_msc_cmd(ctx, MHL_WRITE_STAT, reg, val); +} + +static inline void sii8620_mt_set_int(struct sii8620 *ctx, u8 irq, u8 mask) +{ + sii8620_mt_msc_cmd(ctx, MHL_SET_INT, irq, mask); +} + +static void sii8620_mt_msc_msg(struct sii8620 *ctx, u8 cmd, u8 data) +{ + sii8620_mt_msc_cmd(ctx, MHL_MSC_MSG, cmd, data); +} + +static void sii8620_mt_rap(struct sii8620 *ctx, u8 code) +{ + sii8620_mt_msc_msg(ctx, MHL_MSC_MSG_RAP, code); +} + +static void sii8620_mt_read_devcap_send(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + u8 ctrl = BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN; + + if (msg->reg[0] == MHL_READ_XDEVCAP) + ctrl |= BIT_EDID_CTRL_XDEVCAP_EN; + + sii8620_write_seq(ctx, + REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE, + REG_EDID_CTRL, ctrl, + REG_TPI_CBUS_START, BIT_TPI_CBUS_START_GET_DEVCAP_START + ); +} + +/* copy src to dst and set changed bits in src */ +static void sii8620_update_array(u8 *dst, u8 *src, int count) +{ + while (--count >= 0) { + *src ^= *dst; + *dst++ ^= *src++; + } +} + +static void sii8620_mr_devcap(struct sii8620 *ctx) +{ + static const char * const sink_str[] = { + [SINK_NONE] = "NONE", + [SINK_HDMI] = "HDMI", + [SINK_DVI] = "DVI" + }; + + u8 dcap[MHL_DCAP_SIZE]; + char sink_name[20]; + struct device *dev = ctx->dev; + + sii8620_read_buf(ctx, REG_EDID_FIFO_RD_DATA, dcap, MHL_DCAP_SIZE); + if (ctx->error < 0) + return; + + dev_info(dev, "dcap: %*ph\n", MHL_DCAP_SIZE, dcap); + dev_info(dev, "detected dongle MHL %d.%d, ChipID %02x%02x:%02x%02x\n", + dcap[MHL_DCAP_MHL_VERSION] / 16, + dcap[MHL_DCAP_MHL_VERSION] % 16, dcap[MHL_DCAP_ADOPTER_ID_H], + dcap[MHL_DCAP_ADOPTER_ID_L], dcap[MHL_DCAP_DEVICE_ID_H], + dcap[MHL_DCAP_DEVICE_ID_L]); + sii8620_update_array(ctx->devcap, dcap, MHL_DCAP_SIZE); + + if (!(dcap[MHL_DCAP_CAT] & MHL_DCAP_CAT_SINK)) + return; + + sii8620_fetch_edid(ctx); + if (!ctx->edid) { + dev_err(ctx->dev, "Cannot fetch EDID\n"); + sii8620_mhl_disconnected(ctx); + return; + } + + if (drm_detect_hdmi_monitor(ctx->edid)) + ctx->sink_type = SINK_HDMI; + else + ctx->sink_type = SINK_DVI; + + drm_edid_get_monitor_name(ctx->edid, sink_name, ARRAY_SIZE(sink_name)); + + dev_info(dev, "detected sink(type: %s): %s\n", + sink_str[ctx->sink_type], sink_name); + sii8620_set_upstream_edid(ctx); + sii8620_enable_hpd(ctx); +} + +static void sii8620_mr_xdevcap(struct sii8620 *ctx) +{ + sii8620_read_buf(ctx, REG_EDID_FIFO_RD_DATA, ctx->xdevcap, + MHL_XDC_SIZE); + + sii8620_mt_write_stat(ctx, MHL_XDS_REG(CURR_ECBUS_MODE), + MHL_XDS_ECBUS_S | MHL_XDS_SLOT_MODE_8BIT); + sii8620_mt_rap(ctx, MHL_RAP_CBUS_MODE_UP); +} + +static void sii8620_mt_read_devcap_recv(struct sii8620 *ctx, + struct sii8620_mt_msg *msg) +{ + u8 ctrl = BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN; + + if (msg->reg[0] == MHL_READ_XDEVCAP) + ctrl |= BIT_EDID_CTRL_XDEVCAP_EN; + + sii8620_write_seq(ctx, + REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE | BIT_INTR9_EDID_DONE + | BIT_INTR9_EDID_ERROR, + REG_EDID_CTRL, ctrl, + REG_EDID_FIFO_ADDR, 0 + ); + + if (msg->reg[0] == MHL_READ_XDEVCAP) + sii8620_mr_xdevcap(ctx); + else + sii8620_mr_devcap(ctx); +} + +static void sii8620_mt_read_devcap(struct sii8620 *ctx, bool xdevcap) +{ + struct sii8620_mt_msg *msg = sii8620_mt_msg_new(ctx); + + if (!msg) + return; + + msg->reg[0] = xdevcap ? MHL_READ_XDEVCAP : MHL_READ_DEVCAP; + msg->send = sii8620_mt_read_devcap_send; + msg->recv = sii8620_mt_read_devcap_recv; +} + +static void sii8620_fetch_edid(struct sii8620 *ctx) +{ + u8 lm_ddc, ddc_cmd, int3, cbus; + int fetched, i; + int edid_len = EDID_LENGTH; + u8 *edid; + + sii8620_readb(ctx, REG_CBUS_STATUS); + lm_ddc = sii8620_readb(ctx, REG_LM_DDC); + ddc_cmd = sii8620_readb(ctx, REG_DDC_CMD); + + sii8620_write_seq(ctx, + REG_INTR9_MASK, 0, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO, + REG_HDCP2X_POLL_CS, 0x71, + REG_HDCP2X_CTRL_0, BIT_HDCP2X_CTRL_0_HDCP2X_HDCPTX, + REG_LM_DDC, lm_ddc | BIT_LM_DDC_SW_TPI_EN_DISABLED, + ); + + for (i = 0; i < 256; ++i) { + u8 ddc_stat = sii8620_readb(ctx, REG_DDC_STATUS); + + if (!(ddc_stat & BIT_DDC_STATUS_DDC_I2C_IN_PROG)) + break; + sii8620_write(ctx, REG_DDC_STATUS, + BIT_DDC_STATUS_DDC_FIFO_EMPTY); + } + + sii8620_write(ctx, REG_DDC_ADDR, 0x50 << 1); + + edid = kmalloc(EDID_LENGTH, GFP_KERNEL); + if (!edid) { + ctx->error = -ENOMEM; + return; + } + +#define FETCH_SIZE 16 + for (fetched = 0; fetched < edid_len; fetched += FETCH_SIZE) { + sii8620_readb(ctx, REG_DDC_STATUS); + sii8620_write_seq(ctx, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_DDC_CMD_ABORT, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_DDC_CMD_CLEAR_FIFO, + REG_DDC_STATUS, BIT_DDC_STATUS_DDC_FIFO_EMPTY + ); + sii8620_write_seq(ctx, + REG_DDC_SEGM, fetched >> 8, + REG_DDC_OFFSET, fetched & 0xff, + REG_DDC_DIN_CNT1, FETCH_SIZE, + REG_DDC_DIN_CNT2, 0, + REG_DDC_CMD, ddc_cmd | VAL_DDC_CMD_ENH_DDC_READ_NO_ACK + ); + + do { + int3 = sii8620_readb(ctx, REG_INTR3); + cbus = sii8620_readb(ctx, REG_CBUS_STATUS); + + if (int3 & BIT_DDC_CMD_DONE) + break; + + if (!(cbus & BIT_CBUS_STATUS_CBUS_CONNECTED)) { + kfree(edid); + edid = NULL; + goto end; + } + } while (1); + + sii8620_readb(ctx, REG_DDC_STATUS); + while (sii8620_readb(ctx, REG_DDC_DOUT_CNT) < FETCH_SIZE) + usleep_range(10, 20); + + sii8620_read_buf(ctx, REG_DDC_DATA, edid + fetched, FETCH_SIZE); + if (fetched + FETCH_SIZE == EDID_LENGTH) { + u8 ext = ((struct edid *)edid)->extensions; + + if (ext) { + u8 *new_edid; + + edid_len += ext * EDID_LENGTH; + new_edid = krealloc(edid, edid_len, GFP_KERNEL); + if (!new_edid) { + kfree(edid); + ctx->error = -ENOMEM; + return; + } + edid = new_edid; + } + } + + if (fetched + FETCH_SIZE == edid_len) + sii8620_write(ctx, REG_INTR3, int3); + } + + sii8620_write(ctx, REG_LM_DDC, lm_ddc); + +end: + kfree(ctx->edid); + ctx->edid = (struct edid *)edid; +} + +static void sii8620_set_upstream_edid(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_DPD, BIT_DPD_PDNRX12 | BIT_DPD_PDIDCK_N + | BIT_DPD_PD_MHL_CLK_N, 0xff); + + sii8620_write_seq_static(ctx, + REG_RX_HDMI_CTRL3, 0x00, + REG_PKT_FILTER_0, 0xFF, + REG_PKT_FILTER_1, 0xFF, + REG_ALICE0_BW_I2C, 0x06 + ); + + sii8620_setbits(ctx, REG_RX_HDMI_CLR_BUFFER, + BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_EN, 0xff); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN, + REG_EDID_FIFO_ADDR, 0, + ); + + sii8620_write_buf(ctx, REG_EDID_FIFO_WR_DATA, (u8 *)ctx->edid, + (ctx->edid->extensions + 1) * EDID_LENGTH); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_PRIME_VALID + | BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO + | BIT_EDID_CTRL_EDID_MODE_EN, + REG_INTR5_MASK, BIT_INTR_SCDT_CHANGE, + REG_INTR9_MASK, 0 + ); +} + +static void sii8620_xtal_set_rate(struct sii8620 *ctx) +{ + static const struct { + unsigned int rate; + u8 div; + u8 tp1; + } rates[] = { + { 19200, 0x04, 0x53 }, + { 20000, 0x04, 0x62 }, + { 24000, 0x05, 0x75 }, + { 30000, 0x06, 0x92 }, + { 38400, 0x0c, 0xbc }, + }; + unsigned long rate = clk_get_rate(ctx->clk_xtal) / 1000; + int i; + + for (i = 0; i < ARRAY_SIZE(rates) - 1; ++i) + if (rate <= rates[i].rate) + break; + + if (rate != rates[i].rate) + dev_err(ctx->dev, "xtal clock rate(%lukHz) not supported, setting MHL for %ukHz.\n", + rate, rates[i].rate); + + sii8620_write(ctx, REG_DIV_CTL_MAIN, rates[i].div); + sii8620_write(ctx, REG_HDCP2X_TP1, rates[i].tp1); +} + +static int sii8620_hw_on(struct sii8620 *ctx) +{ + int ret; + + ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies); + if (ret) + return ret; + usleep_range(10000, 20000); + return clk_prepare_enable(ctx->clk_xtal); +} + +static int sii8620_hw_off(struct sii8620 *ctx) +{ + clk_disable_unprepare(ctx->clk_xtal); + gpiod_set_value(ctx->gpio_reset, 1); + return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies); +} + +static void sii8620_hw_reset(struct sii8620 *ctx) +{ + usleep_range(10000, 20000); + gpiod_set_value(ctx->gpio_reset, 0); + usleep_range(5000, 20000); + gpiod_set_value(ctx->gpio_reset, 1); + usleep_range(10000, 20000); + gpiod_set_value(ctx->gpio_reset, 0); + msleep(300); +} + +static void sii8620_cbus_reset(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST + | BIT_PWD_SRST_CBUS_RST_SW_EN, + REG_PWD_SRST, BIT_PWD_SRST_CBUS_RST_SW_EN + ); +} + +static void sii8620_set_auto_zone(struct sii8620 *ctx) +{ + if (ctx->mode != CM_MHL1) { + sii8620_write_seq_static(ctx, + REG_TX_ZONE_CTL1, 0x0, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE + ); + } else { + sii8620_write_seq_static(ctx, + REG_TX_ZONE_CTL1, VAL_TX_ZONE_CTL1_TX_ZONE_CTRL_MODE, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE + ); + } +} + +static void sii8620_stop_video(struct sii8620 *ctx) +{ + u8 uninitialized_var(val); + + sii8620_write_seq_static(ctx, + REG_TPI_INTR_EN, 0, + REG_HDCP2X_INTR0_MASK, 0, + REG_TPI_COPP_DATA2, 0, + REG_TPI_INTR_ST0, ~0, + ); + + switch (ctx->sink_type) { + case SINK_DVI: + val = BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN + | BIT_TPI_SC_TPI_AV_MUTE; + break; + case SINK_HDMI: + val = BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN + | BIT_TPI_SC_TPI_AV_MUTE + | BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI; + break; + default: + return; + } + + sii8620_write(ctx, REG_TPI_SC, val); +} + +static void sii8620_start_hdmi(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_RX_HDMI_CTRL2, VAL_RX_HDMI_CTRL2_DEFVAL + | BIT_RX_HDMI_CTRL2_USE_AV_MUTE, + REG_VID_OVRRD, BIT_VID_OVRRD_PP_AUTO_DISABLE + | BIT_VID_OVRRD_M1080P_OVRRD, + REG_VID_MODE, 0, + REG_MHL_TOP_CTL, 0x1, + REG_MHLTX_CTL6, 0xa0, + REG_TPI_INPUT, VAL_TPI_FORMAT(RGB, FULL), + REG_TPI_OUTPUT, VAL_TPI_FORMAT(RGB, FULL), + ); + + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL | + MHL_DST_LM_PATH_ENABLED); + + sii8620_set_auto_zone(ctx); + + sii8620_write(ctx, REG_TPI_SC, BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI); + + sii8620_write_buf(ctx, REG_TPI_AVI_CHSUM, ctx->avif, + ARRAY_SIZE(ctx->avif)); + + sii8620_write(ctx, REG_PKT_FILTER_0, 0xa1, 0x2); +} + +static void sii8620_start_video(struct sii8620 *ctx) +{ + if (ctx->mode < CM_MHL3) + sii8620_stop_video(ctx); + + switch (ctx->sink_type) { + case SINK_HDMI: + sii8620_start_hdmi(ctx); + break; + case SINK_DVI: + default: + break; + } +} + +static void sii8620_disable_hpd(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_EDID_CTRL, BIT_EDID_CTRL_EDID_PRIME_VALID, 0); + sii8620_write_seq_static(ctx, + REG_HPD_CTRL, BIT_HPD_CTRL_HPD_OUT_OVR_EN, + REG_INTR8_MASK, 0 + ); +} + +static void sii8620_enable_hpd(struct sii8620 *ctx) +{ + sii8620_setbits(ctx, REG_TMDS_CSTAT_P3, + BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS + | BIT_TMDS_CSTAT_P3_CLR_AVI, ~0); + sii8620_write_seq_static(ctx, + REG_HPD_CTRL, BIT_HPD_CTRL_HPD_OUT_OVR_EN + | BIT_HPD_CTRL_HPD_HIGH, + ); +} + +static void sii8620_enable_gen2_write_burst(struct sii8620 *ctx) +{ + if (ctx->gen2_write_burst) + return; + + sii8620_write_seq_static(ctx, + REG_MDT_RCV_TIMEOUT, 100, + REG_MDT_RCV_CTRL, BIT_MDT_RCV_CTRL_MDT_RCV_EN + ); + ctx->gen2_write_burst = 1; +} + +static void sii8620_disable_gen2_write_burst(struct sii8620 *ctx) +{ + if (!ctx->gen2_write_burst) + return; + + sii8620_write_seq_static(ctx, + REG_MDT_XMIT_CTRL, 0, + REG_MDT_RCV_CTRL, 0 + ); + ctx->gen2_write_burst = 0; +} + +static void sii8620_start_gen2_write_burst(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_MDT_INT_1_MASK, BIT_MDT_RCV_TIMEOUT + | BIT_MDT_RCV_SM_ABORT_PKT_RCVD | BIT_MDT_RCV_SM_ERROR + | BIT_MDT_XMIT_TIMEOUT | BIT_MDT_XMIT_SM_ABORT_PKT_RCVD + | BIT_MDT_XMIT_SM_ERROR, + REG_MDT_INT_0_MASK, BIT_MDT_XFIFO_EMPTY + | BIT_MDT_IDLE_AFTER_HAWB_DISABLE + | BIT_MDT_RFIFO_DATA_RDY + ); + sii8620_enable_gen2_write_burst(ctx); +} + +static void sii8620_mhl_discover(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_DISC_PULSE_PROCEED, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_5K, VAL_PUP_20K), + REG_CBUS_DISC_INTR0_MASK, BIT_MHL3_EST_INT + | BIT_MHL_EST_INT + | BIT_NOT_MHL_EST_INT + | BIT_CBUS_MHL3_DISCON_INT + | BIT_CBUS_MHL12_DISCON_INT + | BIT_RGND_READY_INT, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE, + REG_MHL_DP_CTL0, BIT_MHL_DP_CTL0_DP_OE + | BIT_MHL_DP_CTL0_TX_OE_OVR, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE, + REG_MHL_DP_CTL1, 0xA2, + REG_MHL_DP_CTL2, 0x03, + REG_MHL_DP_CTL3, 0x35, + REG_MHL_DP_CTL5, 0x02, + REG_MHL_DP_CTL6, 0x02, + REG_MHL_DP_CTL7, 0x03, + REG_COC_CTLC, 0xFF, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 + | BIT_DPD_OSC_EN | BIT_DPD_PWRON_HSIC, + REG_COC_INTR_MASK, BIT_COC_PLL_LOCK_STATUS_CHANGE + | BIT_COC_CALIBRATION_DONE, + REG_CBUS_INT_1_MASK, BIT_CBUS_MSC_ABORT_RCVD + | BIT_CBUS_CMD_ABORT, + REG_CBUS_INT_0_MASK, BIT_CBUS_MSC_MT_DONE + | BIT_CBUS_HPD_CHG + | BIT_CBUS_MSC_MR_WRITE_STAT + | BIT_CBUS_MSC_MR_MSC_MSG + | BIT_CBUS_MSC_MR_WRITE_BURST + | BIT_CBUS_MSC_MR_SET_INT + | BIT_CBUS_MSC_MT_DONE_NACK + ); +} + +static void sii8620_peer_specific_init(struct sii8620 *ctx) +{ + if (ctx->mode == CM_MHL3) + sii8620_write_seq_static(ctx, + REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD, + REG_EMSCINTRMASK1, + BIT_EMSCINTR1_EMSC_TRAINING_COMMA_ERR + ); + else + sii8620_write_seq_static(ctx, + REG_HDCP2X_INTR0_MASK, 0x00, + REG_EMSCINTRMASK1, 0x00, + REG_HDCP2X_INTR0, 0xFF, + REG_INTR1, 0xFF, + REG_SYS_CTRL1, BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD + | BIT_SYS_CTRL1_TX_CTRL_HDMI + ); +} + +#define SII8620_MHL_VERSION 0x32 +#define SII8620_SCRATCHPAD_SIZE 16 +#define SII8620_INT_STAT_SIZE 0x33 + +static void sii8620_set_dev_cap(struct sii8620 *ctx) +{ + static const u8 devcap[MHL_DCAP_SIZE] = { + [MHL_DCAP_MHL_VERSION] = SII8620_MHL_VERSION, + [MHL_DCAP_CAT] = MHL_DCAP_CAT_SOURCE | MHL_DCAP_CAT_POWER, + [MHL_DCAP_ADOPTER_ID_H] = 0x01, + [MHL_DCAP_ADOPTER_ID_L] = 0x41, + [MHL_DCAP_VID_LINK_MODE] = MHL_DCAP_VID_LINK_RGB444 + | MHL_DCAP_VID_LINK_PPIXEL + | MHL_DCAP_VID_LINK_16BPP, + [MHL_DCAP_AUD_LINK_MODE] = MHL_DCAP_AUD_LINK_2CH, + [MHL_DCAP_VIDEO_TYPE] = MHL_DCAP_VT_GRAPHICS, + [MHL_DCAP_LOG_DEV_MAP] = MHL_DCAP_LD_GUI, + [MHL_DCAP_BANDWIDTH] = 0x0f, + [MHL_DCAP_FEATURE_FLAG] = MHL_DCAP_FEATURE_RCP_SUPPORT + | MHL_DCAP_FEATURE_RAP_SUPPORT + | MHL_DCAP_FEATURE_SP_SUPPORT, + [MHL_DCAP_SCRATCHPAD_SIZE] = SII8620_SCRATCHPAD_SIZE, + [MHL_DCAP_INT_STAT_SIZE] = SII8620_INT_STAT_SIZE, + }; + static const u8 xdcap[MHL_XDC_SIZE] = { + [MHL_XDC_ECBUS_SPEEDS] = MHL_XDC_ECBUS_S_075 + | MHL_XDC_ECBUS_S_8BIT, + [MHL_XDC_TMDS_SPEEDS] = MHL_XDC_TMDS_150 + | MHL_XDC_TMDS_300 | MHL_XDC_TMDS_600, + [MHL_XDC_ECBUS_ROLES] = MHL_XDC_DEV_HOST, + [MHL_XDC_LOG_DEV_MAPX] = MHL_XDC_LD_PHONE, + }; + + sii8620_write_buf(ctx, REG_MHL_DEVCAP_0, devcap, ARRAY_SIZE(devcap)); + sii8620_write_buf(ctx, REG_MHL_EXTDEVCAP_0, xdcap, ARRAY_SIZE(xdcap)); +} + +static void sii8620_mhl_init(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_CBUS_MSC_COMPAT_CTRL, + BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN, + ); + + sii8620_peer_specific_init(ctx); + + sii8620_disable_hpd(ctx); + + sii8620_write_seq_static(ctx, + REG_EDID_CTRL, BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_TMDS0_CCTRL1, 0x90, + REG_TMDS_CLK_EN, 0x01, + REG_TMDS_CH_EN, 0x11, + REG_BGR_BIAS, 0x87, + REG_ALICE0_ZONE_CTRL, 0xE8, + REG_ALICE0_MODE_CTRL, 0x04, + ); + sii8620_setbits(ctx, REG_LM_DDC, BIT_LM_DDC_SW_TPI_EN_DISABLED, 0); + sii8620_write_seq_static(ctx, + REG_TPI_HW_OPT3, 0x76, + REG_TMDS_CCTRL, BIT_TMDS_CCTRL_TMDS_OE, + REG_TPI_DTD_B2, 79, + ); + sii8620_set_dev_cap(ctx); + sii8620_write_seq_static(ctx, + REG_MDT_XMIT_TIMEOUT, 100, + REG_MDT_XMIT_CTRL, 0x03, + REG_MDT_XFIFO_STAT, 0x00, + REG_MDT_RCV_TIMEOUT, 100, + REG_CBUS_LINK_CTRL_8, 0x1D, + ); + + sii8620_start_gen2_write_burst(ctx); + sii8620_write_seq_static(ctx, + REG_BIST_CTRL, 0x00, + REG_COC_CTL1, 0x10, + REG_COC_CTL2, 0x18, + REG_COC_CTLF, 0x07, + REG_COC_CTL11, 0xF8, + REG_COC_CTL17, 0x61, + REG_COC_CTL18, 0x46, + REG_COC_CTL19, 0x15, + REG_COC_CTL1A, 0x01, + REG_MHL_COC_CTL3, BIT_MHL_COC_CTL3_COC_AECHO_EN, + REG_MHL_COC_CTL4, 0x2D, + REG_MHL_COC_CTL5, 0xF9, + REG_MSC_HEARTBEAT_CTRL, 0x27, + ); + sii8620_disable_gen2_write_burst(ctx); + + /* currently MHL3 is not supported, so we force version to 0 */ + sii8620_mt_write_stat(ctx, MHL_DST_REG(VERSION), 0); + sii8620_mt_write_stat(ctx, MHL_DST_REG(CONNECTED_RDY), + MHL_DST_CONN_DCAP_RDY | MHL_DST_CONN_XDEVCAPP_SUPP + | MHL_DST_CONN_POW_STAT); + sii8620_mt_set_int(ctx, MHL_INT_REG(RCHANGE), MHL_INT_RC_DCAP_CHG); +} + +static void sii8620_set_mode(struct sii8620 *ctx, enum sii8620_mode mode) +{ + if (ctx->mode == mode) + return; + + ctx->mode = mode; + + switch (mode) { + case CM_MHL1: + sii8620_write_seq_static(ctx, + REG_CBUS_MSC_COMPAT_CTRL, 0x02, + REG_M3_CTRL, VAL_M3_CTRL_MHL1_2_VALUE, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 + | BIT_DPD_OSC_EN, + REG_COC_INTR_MASK, 0 + ); + break; + case CM_MHL3: + sii8620_write_seq_static(ctx, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE, + REG_COC_CTL0, 0x40, + REG_MHL_COC_CTL1, 0x07 + ); + break; + case CM_DISCONNECTED: + break; + default: + dev_err(ctx->dev, "%s mode %d not supported\n", __func__, mode); + break; + }; + + sii8620_set_auto_zone(ctx); + + if (mode != CM_MHL1) + return; + + sii8620_write_seq_static(ctx, + REG_MHL_DP_CTL0, 0xBC, + REG_MHL_DP_CTL1, 0xBB, + REG_MHL_DP_CTL3, 0x48, + REG_MHL_DP_CTL5, 0x39, + REG_MHL_DP_CTL2, 0x2A, + REG_MHL_DP_CTL6, 0x2A, + REG_MHL_DP_CTL7, 0x08 + ); +} + +static void sii8620_disconnect(struct sii8620 *ctx) +{ + sii8620_disable_gen2_write_burst(ctx); + sii8620_stop_video(ctx); + msleep(50); + sii8620_cbus_reset(ctx); + sii8620_set_mode(ctx, CM_DISCONNECTED); + sii8620_write_seq_static(ctx, + REG_COC_CTL0, 0x40, + REG_CBUS3_CNVT, 0x84, + REG_COC_CTL14, 0x00, + REG_COC_CTL0, 0x40, + REG_HRXCTRL3, 0x07, + REG_MHL_PLL_CTL0, VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X + | BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL + | BIT_MHL_PLL_CTL0_ZONE_MASK_OE, + REG_MHL_DP_CTL0, BIT_MHL_DP_CTL0_DP_OE + | BIT_MHL_DP_CTL0_TX_OE_OVR, + REG_MHL_DP_CTL1, 0xBB, + REG_MHL_DP_CTL3, 0x48, + REG_MHL_DP_CTL5, 0x3F, + REG_MHL_DP_CTL2, 0x2F, + REG_MHL_DP_CTL6, 0x2A, + REG_MHL_DP_CTL7, 0x03 + ); + sii8620_disable_hpd(ctx); + sii8620_write_seq_static(ctx, + REG_M3_CTRL, VAL_M3_CTRL_MHL3_VALUE, + REG_MHL_COC_CTL1, 0x07, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_DISC_CTRL8, 0x00, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_INT_CTRL, 0x00, + REG_MSC_HEARTBEAT_CTRL, 0x27, + REG_DISC_CTRL1, 0x25, + REG_CBUS_DISC_INTR0, (u8)~BIT_RGND_READY_INT, + REG_CBUS_DISC_INTR0_MASK, BIT_RGND_READY_INT, + REG_MDT_INT_1, 0xff, + REG_MDT_INT_1_MASK, 0x00, + REG_MDT_INT_0, 0xff, + REG_MDT_INT_0_MASK, 0x00, + REG_COC_INTR, 0xff, + REG_COC_INTR_MASK, 0x00, + REG_TRXINTH, 0xff, + REG_TRXINTMH, 0x00, + REG_CBUS_INT_0, 0xff, + REG_CBUS_INT_0_MASK, 0x00, + REG_CBUS_INT_1, 0xff, + REG_CBUS_INT_1_MASK, 0x00, + REG_EMSCINTR, 0xff, + REG_EMSCINTRMASK, 0x00, + REG_EMSCINTR1, 0xff, + REG_EMSCINTRMASK1, 0x00, + REG_INTR8, 0xff, + REG_INTR8_MASK, 0x00, + REG_TPI_INTR_ST0, 0xff, + REG_TPI_INTR_EN, 0x00, + REG_HDCP2X_INTR0, 0xff, + REG_HDCP2X_INTR0_MASK, 0x00, + REG_INTR9, 0xff, + REG_INTR9_MASK, 0x00, + REG_INTR3, 0xff, + REG_INTR3_MASK, 0x00, + REG_INTR5, 0xff, + REG_INTR5_MASK, 0x00, + REG_INTR2, 0xff, + REG_INTR2_MASK, 0x00, + ); + memset(ctx->stat, 0, sizeof(ctx->stat)); + memset(ctx->xstat, 0, sizeof(ctx->xstat)); + memset(ctx->devcap, 0, sizeof(ctx->devcap)); + memset(ctx->xdevcap, 0, sizeof(ctx->xdevcap)); + ctx->cbus_status = 0; + ctx->sink_type = SINK_NONE; + kfree(ctx->edid); + ctx->edid = NULL; + sii8620_mt_cleanup(ctx); +} + +static void sii8620_mhl_disconnected(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_DISC_CTRL4, VAL_DISC_CTRL4(VAL_PUP_OFF, VAL_PUP_20K), + REG_CBUS_MSC_COMPAT_CTRL, + BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN + ); + sii8620_disconnect(ctx); +} + +static void sii8620_irq_disc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_DISC_INTR0); + + if (stat & VAL_CBUS_MHL_DISCON) + sii8620_mhl_disconnected(ctx); + + if (stat & BIT_RGND_READY_INT) { + u8 stat2 = sii8620_readb(ctx, REG_DISC_STAT2); + + if ((stat2 & MSK_DISC_STAT2_RGND) == VAL_RGND_1K) { + sii8620_mhl_discover(ctx); + } else { + sii8620_write_seq_static(ctx, + REG_DISC_CTRL9, BIT_DISC_CTRL9_WAKE_DRVFLT + | BIT_DISC_CTRL9_NOMHL_EST + | BIT_DISC_CTRL9_WAKE_PULSE_BYPASS, + REG_CBUS_DISC_INTR0_MASK, BIT_RGND_READY_INT + | BIT_CBUS_MHL3_DISCON_INT + | BIT_CBUS_MHL12_DISCON_INT + | BIT_NOT_MHL_EST_INT + ); + } + } + if (stat & BIT_MHL_EST_INT) + sii8620_mhl_init(ctx); + + sii8620_write(ctx, REG_CBUS_DISC_INTR0, stat); +} + +static void sii8620_irq_g2wb(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_MDT_INT_0); + + if (stat & BIT_MDT_IDLE_AFTER_HAWB_DISABLE) + dev_dbg(ctx->dev, "HAWB idle\n"); + + sii8620_write(ctx, REG_MDT_INT_0, stat); +} + +static void sii8620_status_changed_dcap(struct sii8620 *ctx) +{ + if (ctx->stat[MHL_DST_CONNECTED_RDY] & MHL_DST_CONN_DCAP_RDY) { + sii8620_set_mode(ctx, CM_MHL1); + sii8620_peer_specific_init(ctx); + sii8620_write(ctx, REG_INTR9_MASK, BIT_INTR9_DEVCAP_DONE + | BIT_INTR9_EDID_DONE | BIT_INTR9_EDID_ERROR); + } +} + +static void sii8620_status_changed_path(struct sii8620 *ctx) +{ + if (ctx->stat[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) { + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL + | MHL_DST_LM_PATH_ENABLED); + sii8620_mt_read_devcap(ctx, false); + } else { + sii8620_mt_write_stat(ctx, MHL_DST_REG(LINK_MODE), + MHL_DST_LM_CLK_MODE_NORMAL); + } +} + +static void sii8620_msc_mr_write_stat(struct sii8620 *ctx) +{ + u8 st[MHL_DST_SIZE], xst[MHL_XDS_SIZE]; + + sii8620_read_buf(ctx, REG_MHL_STAT_0, st, MHL_DST_SIZE); + sii8620_read_buf(ctx, REG_MHL_EXTSTAT_0, xst, MHL_XDS_SIZE); + + sii8620_update_array(ctx->stat, st, MHL_DST_SIZE); + sii8620_update_array(ctx->xstat, xst, MHL_XDS_SIZE); + + if (st[MHL_DST_CONNECTED_RDY] & MHL_DST_CONN_DCAP_RDY) + sii8620_status_changed_dcap(ctx); + + if (st[MHL_DST_LINK_MODE] & MHL_DST_LM_PATH_ENABLED) + sii8620_status_changed_path(ctx); +} + +static void sii8620_msc_mr_set_int(struct sii8620 *ctx) +{ + u8 ints[MHL_INT_SIZE]; + + sii8620_read_buf(ctx, REG_MHL_INT_0, ints, MHL_INT_SIZE); + sii8620_write_buf(ctx, REG_MHL_INT_0, ints, MHL_INT_SIZE); +} + +static struct sii8620_mt_msg *sii8620_msc_msg_first(struct sii8620 *ctx) +{ + struct device *dev = ctx->dev; + + if (list_empty(&ctx->mt_queue)) { + dev_err(dev, "unexpected MSC MT response\n"); + return NULL; + } + + return list_first_entry(&ctx->mt_queue, struct sii8620_mt_msg, node); +} + +static void sii8620_msc_mt_done(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = sii8620_msc_msg_first(ctx); + + if (!msg) + return; + + msg->ret = sii8620_readb(ctx, REG_MSC_MT_RCVD_DATA0); + ctx->mt_state = MT_STATE_DONE; +} + +static void sii8620_msc_mr_msc_msg(struct sii8620 *ctx) +{ + struct sii8620_mt_msg *msg = sii8620_msc_msg_first(ctx); + u8 buf[2]; + + if (!msg) + return; + + sii8620_read_buf(ctx, REG_MSC_MR_MSC_MSG_RCVD_1ST_DATA, buf, 2); + + switch (buf[0]) { + case MHL_MSC_MSG_RAPK: + msg->ret = buf[1]; + ctx->mt_state = MT_STATE_DONE; + break; + default: + dev_err(ctx->dev, "%s message type %d,%d not supported", + __func__, buf[0], buf[1]); + } +} + +static void sii8620_irq_msc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_INT_0); + + if (stat & ~BIT_CBUS_HPD_CHG) + sii8620_write(ctx, REG_CBUS_INT_0, stat & ~BIT_CBUS_HPD_CHG); + + if (stat & BIT_CBUS_HPD_CHG) { + u8 cbus_stat = sii8620_readb(ctx, REG_CBUS_STATUS); + + if ((cbus_stat ^ ctx->cbus_status) & BIT_CBUS_STATUS_CBUS_HPD) { + sii8620_write(ctx, REG_CBUS_INT_0, BIT_CBUS_HPD_CHG); + } else { + stat ^= BIT_CBUS_STATUS_CBUS_HPD; + cbus_stat ^= BIT_CBUS_STATUS_CBUS_HPD; + } + ctx->cbus_status = cbus_stat; + } + + if (stat & BIT_CBUS_MSC_MR_WRITE_STAT) + sii8620_msc_mr_write_stat(ctx); + + if (stat & BIT_CBUS_MSC_MR_SET_INT) + sii8620_msc_mr_set_int(ctx); + + if (stat & BIT_CBUS_MSC_MT_DONE) + sii8620_msc_mt_done(ctx); + + if (stat & BIT_CBUS_MSC_MR_MSC_MSG) + sii8620_msc_mr_msc_msg(ctx); +} + +static void sii8620_irq_coc(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_COC_INTR); + + sii8620_write(ctx, REG_COC_INTR, stat); +} + +static void sii8620_irq_merr(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_CBUS_INT_1); + + sii8620_write(ctx, REG_CBUS_INT_1, stat); +} + +static void sii8620_irq_edid(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR9); + + sii8620_write(ctx, REG_INTR9, stat); + + if (stat & BIT_INTR9_DEVCAP_DONE) + ctx->mt_state = MT_STATE_DONE; +} + +static void sii8620_scdt_high(struct sii8620 *ctx) +{ + sii8620_write_seq_static(ctx, + REG_INTR8_MASK, BIT_CEA_NEW_AVI | BIT_CEA_NEW_VSI, + REG_TPI_SC, BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI, + ); +} + +static void sii8620_scdt_low(struct sii8620 *ctx) +{ + sii8620_write(ctx, REG_TMDS_CSTAT_P3, + BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS | + BIT_TMDS_CSTAT_P3_CLR_AVI); + + sii8620_stop_video(ctx); + + sii8620_write(ctx, REG_INTR8_MASK, 0); +} + +static void sii8620_irq_scdt(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR5); + + if (stat & BIT_INTR_SCDT_CHANGE) { + u8 cstat = sii8620_readb(ctx, REG_TMDS_CSTAT_P3); + + if (cstat & BIT_TMDS_CSTAT_P3_SCDT) + sii8620_scdt_high(ctx); + else + sii8620_scdt_low(ctx); + } + + sii8620_write(ctx, REG_INTR5, stat); +} + +static void sii8620_new_vsi(struct sii8620 *ctx) +{ + u8 vsif[11]; + + sii8620_write(ctx, REG_RX_HDMI_CTRL2, + VAL_RX_HDMI_CTRL2_DEFVAL | + BIT_RX_HDMI_CTRL2_VSI_MON_SEL_VSI); + sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, vsif, + ARRAY_SIZE(vsif)); +} + +static void sii8620_new_avi(struct sii8620 *ctx) +{ + sii8620_write(ctx, REG_RX_HDMI_CTRL2, VAL_RX_HDMI_CTRL2_DEFVAL); + sii8620_read_buf(ctx, REG_RX_HDMI_MON_PKT_HEADER1, ctx->avif, + ARRAY_SIZE(ctx->avif)); +} + +static void sii8620_irq_infr(struct sii8620 *ctx) +{ + u8 stat = sii8620_readb(ctx, REG_INTR8) + & (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI); + + sii8620_write(ctx, REG_INTR8, stat); + + if (stat & BIT_CEA_NEW_VSI) + sii8620_new_vsi(ctx); + + if (stat & BIT_CEA_NEW_AVI) + sii8620_new_avi(ctx); + + if (stat & (BIT_CEA_NEW_VSI | BIT_CEA_NEW_AVI)) + sii8620_start_video(ctx); +} + +/* endian agnostic, non-volatile version of test_bit */ +static bool sii8620_test_bit(unsigned int nr, const u8 *addr) +{ + return 1 & (addr[nr / BITS_PER_BYTE] >> (nr % BITS_PER_BYTE)); +} + +static irqreturn_t sii8620_irq_thread(int irq, void *data) +{ + static const struct { + int bit; + void (*handler)(struct sii8620 *ctx); + } irq_vec[] = { + { BIT_FAST_INTR_STAT_DISC, sii8620_irq_disc }, + { BIT_FAST_INTR_STAT_G2WB, sii8620_irq_g2wb }, + { BIT_FAST_INTR_STAT_COC, sii8620_irq_coc }, + { BIT_FAST_INTR_STAT_MSC, sii8620_irq_msc }, + { BIT_FAST_INTR_STAT_MERR, sii8620_irq_merr }, + { BIT_FAST_INTR_STAT_EDID, sii8620_irq_edid }, + { BIT_FAST_INTR_STAT_SCDT, sii8620_irq_scdt }, + { BIT_FAST_INTR_STAT_INFR, sii8620_irq_infr }, + }; + struct sii8620 *ctx = data; + u8 stats[LEN_FAST_INTR_STAT]; + int i, ret; + + mutex_lock(&ctx->lock); + + sii8620_read_buf(ctx, REG_FAST_INTR_STAT, stats, ARRAY_SIZE(stats)); + for (i = 0; i < ARRAY_SIZE(irq_vec); ++i) + if (sii8620_test_bit(irq_vec[i].bit, stats)) + irq_vec[i].handler(ctx); + + sii8620_mt_work(ctx); + + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(ctx->dev, "Error during IRQ handling, %d.\n", ret); + sii8620_mhl_disconnected(ctx); + } + mutex_unlock(&ctx->lock); + + return IRQ_HANDLED; +} + +static void sii8620_cable_in(struct sii8620 *ctx) +{ + struct device *dev = ctx->dev; + u8 ver[5]; + int ret; + + ret = sii8620_hw_on(ctx); + if (ret) { + dev_err(dev, "Error powering on, %d.\n", ret); + return; + } + sii8620_hw_reset(ctx); + + sii8620_read_buf(ctx, REG_VND_IDL, ver, ARRAY_SIZE(ver)); + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(dev, "Error accessing I2C bus, %d.\n", ret); + return; + } + + dev_info(dev, "ChipID %02x%02x:%02x%02x rev %02x.\n", ver[1], ver[0], + ver[3], ver[2], ver[4]); + + sii8620_write(ctx, REG_DPD, + BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 | BIT_DPD_OSC_EN); + + sii8620_xtal_set_rate(ctx); + sii8620_disconnect(ctx); + + sii8620_write_seq_static(ctx, + REG_MHL_CBUS_CTL0, VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONG + | VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_734, + REG_MHL_CBUS_CTL1, VAL_MHL_CBUS_CTL1_1115_OHM, + REG_DPD, BIT_DPD_PWRON_PLL | BIT_DPD_PDNTX12 | BIT_DPD_OSC_EN, + ); + + ret = sii8620_clear_error(ctx); + if (ret) { + dev_err(dev, "Error accessing I2C bus, %d.\n", ret); + return; + } + + enable_irq(to_i2c_client(ctx->dev)->irq); +} + +static inline struct sii8620 *bridge_to_sii8620(struct drm_bridge *bridge) +{ + return container_of(bridge, struct sii8620, bridge); +} + +static bool sii8620_mode_fixup(struct drm_bridge *bridge, + const struct drm_display_mode *mode, + struct drm_display_mode *adjusted_mode) +{ + struct sii8620 *ctx = bridge_to_sii8620(bridge); + bool ret = false; + int max_clock = 74250; + + mutex_lock(&ctx->lock); + + if (mode->flags & DRM_MODE_FLAG_INTERLACE) + goto out; + + if (ctx->devcap[MHL_DCAP_VID_LINK_MODE] & MHL_DCAP_VID_LINK_PPIXEL) + max_clock = 300000; + + ret = mode->clock <= max_clock; + +out: + mutex_unlock(&ctx->lock); + + return ret; +} + +static const struct drm_bridge_funcs sii8620_bridge_funcs = { + .mode_fixup = sii8620_mode_fixup, +}; + +static int sii8620_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + struct device *dev = &client->dev; + struct sii8620 *ctx; + int ret; + + ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); + if (!ctx) + return -ENOMEM; + + ctx->dev = dev; + mutex_init(&ctx->lock); + INIT_LIST_HEAD(&ctx->mt_queue); + + ctx->clk_xtal = devm_clk_get(dev, "xtal"); + if (IS_ERR(ctx->clk_xtal)) { + dev_err(dev, "failed to get xtal clock from DT\n"); + return PTR_ERR(ctx->clk_xtal); + } + + if (!client->irq) { + dev_err(dev, "no irq provided\n"); + return -EINVAL; + } + irq_set_status_flags(client->irq, IRQ_NOAUTOEN); + ret = devm_request_threaded_irq(dev, client->irq, NULL, + sii8620_irq_thread, + IRQF_TRIGGER_HIGH | IRQF_ONESHOT, + "sii8620", ctx); + + ctx->gpio_reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(ctx->gpio_reset)) { + dev_err(dev, "failed to get reset gpio from DT\n"); + return PTR_ERR(ctx->gpio_reset); + } + + ctx->supplies[0].supply = "cvcc10"; + ctx->supplies[1].supply = "iovcc18"; + ret = devm_regulator_bulk_get(dev, 2, ctx->supplies); + if (ret) + return ret; + + i2c_set_clientdata(client, ctx); + + ctx->bridge.funcs = &sii8620_bridge_funcs; + ctx->bridge.of_node = dev->of_node; + drm_bridge_add(&ctx->bridge); + + sii8620_cable_in(ctx); + + return 0; +} + +static int sii8620_remove(struct i2c_client *client) +{ + struct sii8620 *ctx = i2c_get_clientdata(client); + + disable_irq(to_i2c_client(ctx->dev)->irq); + drm_bridge_remove(&ctx->bridge); + sii8620_hw_off(ctx); + + return 0; +} + +static const struct of_device_id sii8620_dt_match[] = { + { .compatible = "sil,sii8620" }, + { }, +}; +MODULE_DEVICE_TABLE(of, sii8620_dt_match); + +static const struct i2c_device_id sii8620_id[] = { + { "sii8620", 0 }, + { }, +}; + +MODULE_DEVICE_TABLE(i2c, sii8620_id); +static struct i2c_driver sii8620_driver = { + .driver = { + .name = "sii8620", + .owner = THIS_MODULE, + .of_match_table = of_match_ptr(sii8620_dt_match), + }, + .probe = sii8620_probe, + .remove = sii8620_remove, + .id_table = sii8620_id, +}; + +module_i2c_driver(sii8620_driver); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/gpu/drm/bridge/sil-sii8620.h b/drivers/gpu/drm/bridge/sil-sii8620.h new file mode 100644 index 000000000000..6ff616a4f6ce --- /dev/null +++ b/drivers/gpu/drm/bridge/sil-sii8620.h @@ -0,0 +1,1517 @@ +/* + * Registers of Silicon Image SiI8620 Mobile HD Transmitter + * + * Copyright (C) 2015, Samsung Electronics Co., Ltd. + * Andrzej Hajda + * + * Based on MHL driver for Android devices. + * Copyright (C) 2013-2014 Silicon Image, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SIL_SII8620_H__ +#define __SIL_SII8620_H__ + +/* Vendor ID Low byte, default value: 0x01 */ +#define REG_VND_IDL 0x0000 + +/* Vendor ID High byte, default value: 0x00 */ +#define REG_VND_IDH 0x0001 + +/* Device ID Low byte, default value: 0x60 */ +#define REG_DEV_IDL 0x0002 + +/* Device ID High byte, default value: 0x86 */ +#define REG_DEV_IDH 0x0003 + +/* Device Revision, default value: 0x10 */ +#define REG_DEV_REV 0x0004 + +/* OTP DBYTE510, default value: 0x00 */ +#define REG_OTP_DBYTE510 0x0006 + +/* System Control #1, default value: 0x00 */ +#define REG_SYS_CTRL1 0x0008 +#define BIT_SYS_CTRL1_OTPVMUTEOVR_SET BIT(7) +#define BIT_SYS_CTRL1_VSYNCPIN BIT(6) +#define BIT_SYS_CTRL1_OTPADROPOVR_SET BIT(5) +#define BIT_SYS_CTRL1_BLOCK_DDC_BY_HPD BIT(4) +#define BIT_SYS_CTRL1_OTP2XVOVR_EN BIT(3) +#define BIT_SYS_CTRL1_OTP2XAOVR_EN BIT(2) +#define BIT_SYS_CTRL1_TX_CTRL_HDMI BIT(1) +#define BIT_SYS_CTRL1_OTPAMUTEOVR_SET BIT(0) + +/* System Control DPD, default value: 0x90 */ +#define REG_DPD 0x000b +#define BIT_DPD_PWRON_PLL BIT(7) +#define BIT_DPD_PDNTX12 BIT(6) +#define BIT_DPD_PDNRX12 BIT(5) +#define BIT_DPD_OSC_EN BIT(4) +#define BIT_DPD_PWRON_HSIC BIT(3) +#define BIT_DPD_PDIDCK_N BIT(2) +#define BIT_DPD_PD_MHL_CLK_N BIT(1) + +/* Dual link Control, default value: 0x00 */ +#define REG_DCTL 0x000d +#define BIT_DCTL_TDM_LCLK_PHASE BIT(7) +#define BIT_DCTL_HSIC_CLK_PHASE BIT(6) +#define BIT_DCTL_CTS_TCK_PHASE BIT(5) +#define BIT_DCTL_EXT_DDC_SEL BIT(4) +#define BIT_DCTL_TRANSCODE BIT(3) +#define BIT_DCTL_HSIC_RX_STROBE_PHASE BIT(2) +#define BIT_DCTL_HSIC_TX_BIST_START_SEL BIT(1) +#define BIT_DCTL_TCLKNX_PHASE BIT(0) + +/* PWD Software Reset, default value: 0x20 */ +#define REG_PWD_SRST 0x000e +#define BIT_PWD_SRST_COC_DOC_RST BIT(7) +#define BIT_PWD_SRST_CBUS_RST_SW BIT(6) +#define BIT_PWD_SRST_CBUS_RST_SW_EN BIT(5) +#define BIT_PWD_SRST_MHLFIFO_RST BIT(4) +#define BIT_PWD_SRST_CBUS_RST BIT(3) +#define BIT_PWD_SRST_SW_RST_AUTO BIT(2) +#define BIT_PWD_SRST_HDCP2X_SW_RST BIT(1) +#define BIT_PWD_SRST_SW_RST BIT(0) + +/* AKSV_1, default value: 0x00 */ +#define REG_AKSV_1 0x001d + +/* Video H Resolution #1, default value: 0x00 */ +#define REG_H_RESL 0x003a + +/* Video Mode, default value: 0x00 */ +#define REG_VID_MODE 0x004a +#define BIT_VID_MODE_M1080P BIT(6) + +/* Video Input Mode, default value: 0xc0 */ +#define REG_VID_OVRRD 0x0051 +#define BIT_VID_OVRRD_PP_AUTO_DISABLE BIT(7) +#define BIT_VID_OVRRD_M1080P_OVRRD BIT(6) +#define BIT_VID_OVRRD_MINIVSYNC_ON BIT(5) +#define BIT_VID_OVRRD_3DCONV_EN_FRAME_PACK BIT(4) +#define BIT_VID_OVRRD_ENABLE_AUTO_PATH_EN BIT(3) +#define BIT_VID_OVRRD_ENRGB2YCBCR_OVRRD BIT(2) +#define BIT_VID_OVRRD_ENDOWNSAMPLE_OVRRD BIT(0) + +/* I2C Address reassignment, default value: 0x00 */ +#define REG_PAGE_MHLSPEC_ADDR 0x0057 +#define REG_PAGE7_ADDR 0x0058 +#define REG_PAGE8_ADDR 0x005c + +/* Fast Interrupt Status, default value: 0x00 */ +#define REG_FAST_INTR_STAT 0x005f +#define LEN_FAST_INTR_STAT 7 +#define BIT_FAST_INTR_STAT_TIMR 8 +#define BIT_FAST_INTR_STAT_INT2 9 +#define BIT_FAST_INTR_STAT_DDC 10 +#define BIT_FAST_INTR_STAT_SCDT 11 +#define BIT_FAST_INTR_STAT_INFR 13 +#define BIT_FAST_INTR_STAT_EDID 14 +#define BIT_FAST_INTR_STAT_HDCP 15 +#define BIT_FAST_INTR_STAT_MSC 16 +#define BIT_FAST_INTR_STAT_MERR 17 +#define BIT_FAST_INTR_STAT_G2WB 18 +#define BIT_FAST_INTR_STAT_G2WB_ERR 19 +#define BIT_FAST_INTR_STAT_DISC 28 +#define BIT_FAST_INTR_STAT_BLOCK 30 +#define BIT_FAST_INTR_STAT_LTRN 31 +#define BIT_FAST_INTR_STAT_HDCP2 32 +#define BIT_FAST_INTR_STAT_TDM 42 +#define BIT_FAST_INTR_STAT_COC 51 + +/* GPIO Control, default value: 0x15 */ +#define REG_GPIO_CTRL1 0x006e +#define BIT_CTRL1_GPIO_I_8 BIT(5) +#define BIT_CTRL1_GPIO_OEN_8 BIT(4) +#define BIT_CTRL1_GPIO_I_7 BIT(3) +#define BIT_CTRL1_GPIO_OEN_7 BIT(2) +#define BIT_CTRL1_GPIO_I_6 BIT(1) +#define BIT_CTRL1_GPIO_OEN_6 BIT(0) + +/* Interrupt Control, default value: 0x06 */ +#define REG_INT_CTRL 0x006f +#define BIT_INT_CTRL_SOFTWARE_WP BIT(7) +#define BIT_INT_CTRL_INTR_OD BIT(2) +#define BIT_INT_CTRL_INTR_POLARITY BIT(1) + +/* Interrupt State, default value: 0x00 */ +#define REG_INTR_STATE 0x0070 +#define BIT_INTR_STATE_INTR_STATE BIT(0) + +/* Interrupt Source #1, default value: 0x00 */ +#define REG_INTR1 0x0071 + +/* Interrupt Source #2, default value: 0x00 */ +#define REG_INTR2 0x0072 + +/* Interrupt Source #3, default value: 0x01 */ +#define REG_INTR3 0x0073 +#define BIT_DDC_CMD_DONE BIT(3) + +/* Interrupt Source #5, default value: 0x00 */ +#define REG_INTR5 0x0074 + +/* Interrupt #1 Mask, default value: 0x00 */ +#define REG_INTR1_MASK 0x0075 + +/* Interrupt #2 Mask, default value: 0x00 */ +#define REG_INTR2_MASK 0x0076 + +/* Interrupt #3 Mask, default value: 0x00 */ +#define REG_INTR3_MASK 0x0077 + +/* Interrupt #5 Mask, default value: 0x00 */ +#define REG_INTR5_MASK 0x0078 +#define BIT_INTR_SCDT_CHANGE BIT(0) + +/* Hot Plug Connection Control, default value: 0x45 */ +#define REG_HPD_CTRL 0x0079 +#define BIT_HPD_CTRL_HPD_DS_SIGNAL BIT(7) +#define BIT_HPD_CTRL_HPD_OUT_OD_EN BIT(6) +#define BIT_HPD_CTRL_HPD_HIGH BIT(5) +#define BIT_HPD_CTRL_HPD_OUT_OVR_EN BIT(4) +#define BIT_HPD_CTRL_GPIO_I_1 BIT(3) +#define BIT_HPD_CTRL_GPIO_OEN_1 BIT(2) +#define BIT_HPD_CTRL_GPIO_I_0 BIT(1) +#define BIT_HPD_CTRL_GPIO_OEN_0 BIT(0) + +/* GPIO Control, default value: 0x55 */ +#define REG_GPIO_CTRL 0x007a +#define BIT_CTRL_GPIO_I_5 BIT(7) +#define BIT_CTRL_GPIO_OEN_5 BIT(6) +#define BIT_CTRL_GPIO_I_4 BIT(5) +#define BIT_CTRL_GPIO_OEN_4 BIT(4) +#define BIT_CTRL_GPIO_I_3 BIT(3) +#define BIT_CTRL_GPIO_OEN_3 BIT(2) +#define BIT_CTRL_GPIO_I_2 BIT(1) +#define BIT_CTRL_GPIO_OEN_2 BIT(0) + +/* Interrupt Source 7, default value: 0x00 */ +#define REG_INTR7 0x007b + +/* Interrupt Source 8, default value: 0x00 */ +#define REG_INTR8 0x007c + +/* Interrupt #7 Mask, default value: 0x00 */ +#define REG_INTR7_MASK 0x007d + +/* Interrupt #8 Mask, default value: 0x00 */ +#define REG_INTR8_MASK 0x007e +#define BIT_CEA_NEW_VSI BIT(2) +#define BIT_CEA_NEW_AVI BIT(1) + +/* IEEE, default value: 0x10 */ +#define REG_TMDS_CCTRL 0x0080 +#define BIT_TMDS_CCTRL_TMDS_OE BIT(4) + +/* TMDS Control #4, default value: 0x02 */ +#define REG_TMDS_CTRL4 0x0085 +#define BIT_TMDS_CTRL4_SCDT_CKDT_SEL BIT(1) +#define BIT_TMDS_CTRL4_TX_EN_BY_SCDT BIT(0) + +/* BIST CNTL, default value: 0x00 */ +#define REG_BIST_CTRL 0x00bb +#define BIT_RXBIST_VGB_EN BIT(7) +#define BIT_TXBIST_VGB_EN BIT(6) +#define BIT_BIST_START_SEL BIT(5) +#define BIT_BIST_START_BIT BIT(4) +#define BIT_BIST_ALWAYS_ON BIT(3) +#define BIT_BIST_TRANS BIT(2) +#define BIT_BIST_RESET BIT(1) +#define BIT_BIST_EN BIT(0) + +/* BIST DURATION0, default value: 0x00 */ +#define REG_BIST_TEST_SEL 0x00bd +#define MSK_BIST_TEST_SEL_BIST_PATT_SEL 0x0f + +/* BIST VIDEO_MODE, default value: 0x00 */ +#define REG_BIST_VIDEO_MODE 0x00be +#define MSK_BIST_VIDEO_MODE_BIST_VIDEO_MODE_3_0 0x0f + +/* BIST DURATION0, default value: 0x00 */ +#define REG_BIST_DURATION_0 0x00bf + +/* BIST DURATION1, default value: 0x00 */ +#define REG_BIST_DURATION_1 0x00c0 + +/* BIST DURATION2, default value: 0x00 */ +#define REG_BIST_DURATION_2 0x00c1 + +/* BIST 8BIT_PATTERN, default value: 0x00 */ +#define REG_BIST_8BIT_PATTERN 0x00c2 + +/* LM DDC, default value: 0x80 */ +#define REG_LM_DDC 0x00c7 +#define BIT_LM_DDC_SW_TPI_EN_DISABLED BIT(7) + +#define BIT_LM_DDC_VIDEO_MUTE_EN BIT(5) +#define BIT_LM_DDC_DDC_TPI_SW BIT(2) +#define BIT_LM_DDC_DDC_GRANT BIT(1) +#define BIT_LM_DDC_DDC_GPU_REQUEST BIT(0) + +/* DDC I2C Manual, default value: 0x03 */ +#define REG_DDC_MANUAL 0x00ec +#define BIT_DDC_MANUAL_MAN_DDC BIT(7) +#define BIT_DDC_MANUAL_VP_SEL BIT(6) +#define BIT_DDC_MANUAL_DSDA BIT(5) +#define BIT_DDC_MANUAL_DSCL BIT(4) +#define BIT_DDC_MANUAL_GCP_HW_CTL_EN BIT(3) +#define BIT_DDC_MANUAL_DDCM_ABORT_WP BIT(2) +#define BIT_DDC_MANUAL_IO_DSDA BIT(1) +#define BIT_DDC_MANUAL_IO_DSCL BIT(0) + +/* DDC I2C Target Slave Address, default value: 0x00 */ +#define REG_DDC_ADDR 0x00ed +#define MSK_DDC_ADDR_DDC_ADDR 0xfe + +/* DDC I2C Target Segment Address, default value: 0x00 */ +#define REG_DDC_SEGM 0x00ee + +/* DDC I2C Target Offset Address, default value: 0x00 */ +#define REG_DDC_OFFSET 0x00ef + +/* DDC I2C Data In count #1, default value: 0x00 */ +#define REG_DDC_DIN_CNT1 0x00f0 + +/* DDC I2C Data In count #2, default value: 0x00 */ +#define REG_DDC_DIN_CNT2 0x00f1 +#define MSK_DDC_DIN_CNT2_DDC_DIN_CNT_9_8 0x03 + +/* DDC I2C Status, default value: 0x04 */ +#define REG_DDC_STATUS 0x00f2 +#define BIT_DDC_STATUS_DDC_BUS_LOW BIT(6) +#define BIT_DDC_STATUS_DDC_NO_ACK BIT(5) +#define BIT_DDC_STATUS_DDC_I2C_IN_PROG BIT(4) +#define BIT_DDC_STATUS_DDC_FIFO_FULL BIT(3) +#define BIT_DDC_STATUS_DDC_FIFO_EMPTY BIT(2) +#define BIT_DDC_STATUS_DDC_FIFO_READ_IN_SUE BIT(1) +#define BIT_DDC_STATUS_DDC_FIFO_WRITE_IN_USE BIT(0) + +/* DDC I2C Command, default value: 0x70 */ +#define REG_DDC_CMD 0x00f3 +#define BIT_DDC_CMD_HDCP_DDC_EN BIT(6) +#define BIT_DDC_CMD_SDA_DEL_EN BIT(5) +#define BIT_DDC_CMD_DDC_FLT_EN BIT(4) + +#define MSK_DDC_CMD_DDC_CMD 0x0f +#define VAL_DDC_CMD_ENH_DDC_READ_NO_ACK 0x04 +#define VAL_DDC_CMD_DDC_CMD_CLEAR_FIFO 0x09 +#define VAL_DDC_CMD_DDC_CMD_ABORT 0x0f + +/* DDC I2C FIFO Data In/Out, default value: 0x00 */ +#define REG_DDC_DATA 0x00f4 + +/* DDC I2C Data Out Counter, default value: 0x00 */ +#define REG_DDC_DOUT_CNT 0x00f5 +#define BIT_DDC_DOUT_CNT_DDC_DELAY_CNT_8 BIT(7) +#define MSK_DDC_DOUT_CNT_DDC_DATA_OUT_CNT 0x1f + +/* DDC I2C Delay Count, default value: 0x14 */ +#define REG_DDC_DELAY_CNT 0x00f6 + +/* Test Control, default value: 0x80 */ +#define REG_TEST_TXCTRL 0x00f7 +#define BIT_TEST_TXCTRL_RCLK_REF_SEL BIT(7) +#define BIT_TEST_TXCTRL_PCLK_REF_SEL BIT(6) +#define MSK_TEST_TXCTRL_BYPASS_PLL_CLK 0x3c +#define BIT_TEST_TXCTRL_HDMI_MODE BIT(1) +#define BIT_TEST_TXCTRL_TST_PLLCK BIT(0) + +/* CBUS Address, default value: 0x00 */ +#define REG_PAGE_CBUS_ADDR 0x00f8 + +/* I2C Device Address re-assignment */ +#define REG_PAGE1_ADDR 0x00fc +#define REG_PAGE2_ADDR 0x00fd +#define REG_PAGE3_ADDR 0x00fe +#define REG_HW_TPI_ADDR 0x00ff + +/* USBT CTRL0, default value: 0x00 */ +#define REG_UTSRST 0x0100 +#define BIT_UTSRST_FC_SRST BIT(5) +#define BIT_UTSRST_KEEPER_SRST BIT(4) +#define BIT_UTSRST_HTX_SRST BIT(3) +#define BIT_UTSRST_TRX_SRST BIT(2) +#define BIT_UTSRST_TTX_SRST BIT(1) +#define BIT_UTSRST_HRX_SRST BIT(0) + +/* HSIC RX Control3, default value: 0x07 */ +#define REG_HRXCTRL3 0x0104 +#define MSK_HRXCTRL3_HRX_AFFCTRL 0xf0 +#define BIT_HRXCTRL3_HRX_OUT_EN BIT(2) +#define BIT_HRXCTRL3_STATUS_EN BIT(1) +#define BIT_HRXCTRL3_HRX_STAY_RESET BIT(0) + +/* HSIC RX INT Registers */ +#define REG_HRXINTL 0x0111 +#define REG_HRXINTH 0x0112 + +/* TDM TX NUMBITS, default value: 0x0c */ +#define REG_TTXNUMB 0x0116 +#define MSK_TTXNUMB_TTX_AFFCTRL_3_0 0xf0 +#define BIT_TTXNUMB_TTX_COM1_AT_SYNC_WAIT BIT(3) +#define MSK_TTXNUMB_TTX_NUMBPS_2_0 0x07 + +/* TDM TX NUMSPISYM, default value: 0x04 */ +#define REG_TTXSPINUMS 0x0117 + +/* TDM TX NUMHSICSYM, default value: 0x14 */ +#define REG_TTXHSICNUMS 0x0118 + +/* TDM TX NUMTOTSYM, default value: 0x18 */ +#define REG_TTXTOTNUMS 0x0119 + +/* TDM TX INT Low, default value: 0x00 */ +#define REG_TTXINTL 0x0136 +#define BIT_TTXINTL_TTX_INTR7 BIT(7) +#define BIT_TTXINTL_TTX_INTR6 BIT(6) +#define BIT_TTXINTL_TTX_INTR5 BIT(5) +#define BIT_TTXINTL_TTX_INTR4 BIT(4) +#define BIT_TTXINTL_TTX_INTR3 BIT(3) +#define BIT_TTXINTL_TTX_INTR2 BIT(2) +#define BIT_TTXINTL_TTX_INTR1 BIT(1) +#define BIT_TTXINTL_TTX_INTR0 BIT(0) + +/* TDM TX INT High, default value: 0x00 */ +#define REG_TTXINTH 0x0137 +#define BIT_TTXINTH_TTX_INTR15 BIT(7) +#define BIT_TTXINTH_TTX_INTR14 BIT(6) +#define BIT_TTXINTH_TTX_INTR13 BIT(5) +#define BIT_TTXINTH_TTX_INTR12 BIT(4) +#define BIT_TTXINTH_TTX_INTR11 BIT(3) +#define BIT_TTXINTH_TTX_INTR10 BIT(2) +#define BIT_TTXINTH_TTX_INTR9 BIT(1) +#define BIT_TTXINTH_TTX_INTR8 BIT(0) + +/* TDM RX Control, default value: 0x1c */ +#define REG_TRXCTRL 0x013b +#define BIT_TRXCTRL_TRX_CLR_WVALLOW BIT(4) +#define BIT_TRXCTRL_TRX_FROM_SE_COC BIT(3) +#define MSK_TRXCTRL_TRX_NUMBPS_2_0 0x07 + +/* TDM RX NUMSPISYM, default value: 0x04 */ +#define REG_TRXSPINUMS 0x013c + +/* TDM RX NUMHSICSYM, default value: 0x14 */ +#define REG_TRXHSICNUMS 0x013d + +/* TDM RX NUMTOTSYM, default value: 0x18 */ +#define REG_TRXTOTNUMS 0x013e + +/* TDM RX Status 2nd, default value: 0x00 */ +#define REG_TRXSTA2 0x015c + +/* TDM RX INT Low, default value: 0x00 */ +#define REG_TRXINTL 0x0163 + +/* TDM RX INT High, default value: 0x00 */ +#define REG_TRXINTH 0x0164 + +/* TDM RX INTMASK High, default value: 0x00 */ +#define REG_TRXINTMH 0x0166 + +/* HSIC TX CRTL, default value: 0x00 */ +#define REG_HTXCTRL 0x0169 +#define BIT_HTXCTRL_HTX_ALLSBE_SOP BIT(4) +#define BIT_HTXCTRL_HTX_RGDINV_USB BIT(3) +#define BIT_HTXCTRL_HTX_RSPTDM_BUSY BIT(2) +#define BIT_HTXCTRL_HTX_DRVCONN1 BIT(1) +#define BIT_HTXCTRL_HTX_DRVRST1 BIT(0) + +/* HSIC TX INT Low, default value: 0x00 */ +#define REG_HTXINTL 0x017d + +/* HSIC TX INT High, default value: 0x00 */ +#define REG_HTXINTH 0x017e + +/* HSIC Keeper, default value: 0x00 */ +#define REG_KEEPER 0x0181 +#define MSK_KEEPER_KEEPER_MODE_1_0 0x03 + +/* HSIC Flow Control General, default value: 0x02 */ +#define REG_FCGC 0x0183 +#define BIT_FCGC_HSIC_FC_HOSTMODE BIT(1) +#define BIT_FCGC_HSIC_FC_ENABLE BIT(0) + +/* HSIC Flow Control CTR13, default value: 0xfc */ +#define REG_FCCTR13 0x0191 + +/* HSIC Flow Control CTR14, default value: 0xff */ +#define REG_FCCTR14 0x0192 + +/* HSIC Flow Control CTR15, default value: 0xff */ +#define REG_FCCTR15 0x0193 + +/* HSIC Flow Control CTR50, default value: 0x03 */ +#define REG_FCCTR50 0x01b6 + +/* HSIC Flow Control INTR0, default value: 0x00 */ +#define REG_FCINTR0 0x01ec +#define REG_FCINTR1 0x01ed +#define REG_FCINTR2 0x01ee +#define REG_FCINTR3 0x01ef +#define REG_FCINTR4 0x01f0 +#define REG_FCINTR5 0x01f1 +#define REG_FCINTR6 0x01f2 +#define REG_FCINTR7 0x01f3 + +/* TDM Low Latency, default value: 0x20 */ +#define REG_TDMLLCTL 0x01fc +#define MSK_TDMLLCTL_TRX_LL_SEL_MANUAL 0xc0 +#define MSK_TDMLLCTL_TRX_LL_SEL_MODE 0x30 +#define MSK_TDMLLCTL_TTX_LL_SEL_MANUAL 0x0c +#define BIT_TDMLLCTL_TTX_LL_TIE_LOW BIT(1) +#define BIT_TDMLLCTL_TTX_LL_SEL_MODE BIT(0) + +/* TMDS 0 Clock Control, default value: 0x10 */ +#define REG_TMDS0_CCTRL1 0x0210 +#define MSK_TMDS0_CCTRL1_TEST_SEL 0xc0 +#define MSK_TMDS0_CCTRL1_CLK1X_CTL 0x30 + +/* TMDS Clock Enable, default value: 0x00 */ +#define REG_TMDS_CLK_EN 0x0211 +#define BIT_TMDS_CLK_EN_CLK_EN BIT(0) + +/* TMDS Channel Enable, default value: 0x00 */ +#define REG_TMDS_CH_EN 0x0212 +#define BIT_TMDS_CH_EN_CH0_EN BIT(4) +#define BIT_TMDS_CH_EN_CH12_EN BIT(0) + +/* BGR_BIAS, default value: 0x07 */ +#define REG_BGR_BIAS 0x0215 +#define BIT_BGR_BIAS_BGR_EN BIT(7) +#define MSK_BGR_BIAS_BIAS_BGR_D 0x0f + +/* TMDS 0 Digital I2C BW, default value: 0x0a */ +#define REG_ALICE0_BW_I2C 0x0231 + +/* TMDS 0 Digital Zone Control, default value: 0xe0 */ +#define REG_ALICE0_ZONE_CTRL 0x024c +#define BIT_ALICE0_ZONE_CTRL_ICRST_N BIT(7) +#define BIT_ALICE0_ZONE_CTRL_USE_INT_DIV20 BIT(6) +#define MSK_ALICE0_ZONE_CTRL_SZONE_I2C 0x30 +#define MSK_ALICE0_ZONE_CTRL_ZONE_CTRL 0x0f + +/* TMDS 0 Digital PLL Mode Control, default value: 0x00 */ +#define REG_ALICE0_MODE_CTRL 0x024d +#define MSK_ALICE0_MODE_CTRL_PLL_MODE_I2C 0x0c +#define MSK_ALICE0_MODE_CTRL_DIV20_CTRL 0x03 + +/* MHL Tx Control 6th, default value: 0xa0 */ +#define REG_MHLTX_CTL6 0x0285 +#define MSK_MHLTX_CTL6_EMI_SEL 0xe0 +#define MSK_MHLTX_CTL6_TX_CLK_SHAPE_9_8 0x03 + +/* Packet Filter0, default value: 0x00 */ +#define REG_PKT_FILTER_0 0x0290 +#define BIT_PKT_FILTER_0_DROP_CEA_GAMUT_PKT BIT(7) +#define BIT_PKT_FILTER_0_DROP_CEA_CP_PKT BIT(6) +#define BIT_PKT_FILTER_0_DROP_MPEG_PKT BIT(5) +#define BIT_PKT_FILTER_0_DROP_SPIF_PKT BIT(4) +#define BIT_PKT_FILTER_0_DROP_AIF_PKT BIT(3) +#define BIT_PKT_FILTER_0_DROP_AVI_PKT BIT(2) +#define BIT_PKT_FILTER_0_DROP_CTS_PKT BIT(1) +#define BIT_PKT_FILTER_0_DROP_GCP_PKT BIT(0) + +/* Packet Filter1, default value: 0x00 */ +#define REG_PKT_FILTER_1 0x0291 +#define BIT_PKT_FILTER_1_VSI_OVERRIDE_DIS BIT(7) +#define BIT_PKT_FILTER_1_AVI_OVERRIDE_DIS BIT(6) +#define BIT_PKT_FILTER_1_DROP_AUDIO_PKT BIT(3) +#define BIT_PKT_FILTER_1_DROP_GEN2_PKT BIT(2) +#define BIT_PKT_FILTER_1_DROP_GEN_PKT BIT(1) +#define BIT_PKT_FILTER_1_DROP_VSIF_PKT BIT(0) + +/* TMDS Clock Status, default value: 0x10 */ +#define REG_TMDS_CSTAT_P3 0x02a0 +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_CLR_MUTE BIT(7) +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_SET_MUTE BIT(6) +#define BIT_TMDS_CSTAT_P3_RX_HDMI_CP_NEW_CP BIT(5) +#define BIT_TMDS_CSTAT_P3_CLR_AVI BIT(3) +#define BIT_TMDS_CSTAT_P3_SCDT_CLR_AVI_DIS BIT(2) +#define BIT_TMDS_CSTAT_P3_SCDT BIT(1) +#define BIT_TMDS_CSTAT_P3_CKDT BIT(0) + +/* RX_HDMI Control, default value: 0x10 */ +#define REG_RX_HDMI_CTRL0 0x02a1 +#define BIT_RX_HDMI_CTRL0_BYP_DVIFILT_SYNC BIT(5) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_EN_ITSELF_CLR BIT(4) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_SW_VALUE BIT(3) +#define BIT_RX_HDMI_CTRL0_HDMI_MODE_OVERWRITE BIT(2) +#define BIT_RX_HDMI_CTRL0_RX_HDMI_HDMI_MODE_EN BIT(1) +#define BIT_RX_HDMI_CTRL0_RX_HDMI_HDMI_MODE BIT(0) + +/* RX_HDMI Control, default value: 0x38 */ +#define REG_RX_HDMI_CTRL2 0x02a3 +#define MSK_RX_HDMI_CTRL2_IDLE_CNT 0xf0 +#define VAL_RX_HDMI_CTRL2_IDLE_CNT(n) ((n) << 4) +#define BIT_RX_HDMI_CTRL2_USE_AV_MUTE BIT(3) +#define BIT_RX_HDMI_CTRL2_VSI_MON_SEL_VSI BIT(0) + +/* RX_HDMI Control, default value: 0x0f */ +#define REG_RX_HDMI_CTRL3 0x02a4 +#define MSK_RX_HDMI_CTRL3_PP_MODE_CLK_EN 0x0f + +/* rx_hdmi Clear Buffer, default value: 0x00 */ +#define REG_RX_HDMI_CLR_BUFFER 0x02ac +#define MSK_RX_HDMI_CLR_BUFFER_AIF4VSI_CMP 0xc0 +#define BIT_RX_HDMI_CLR_BUFFER_USE_AIF4VSI BIT(5) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_W_AVI BIT(4) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_IEEE_ID_CHK_EN BIT(3) +#define BIT_RX_HDMI_CLR_BUFFER_SWAP_VSI_IEEE_ID BIT(2) +#define BIT_RX_HDMI_CLR_BUFFER_AIF_CLR_EN BIT(1) +#define BIT_RX_HDMI_CLR_BUFFER_VSI_CLR_EN BIT(0) + +/* RX_HDMI VSI Header1, default value: 0x00 */ +#define REG_RX_HDMI_MON_PKT_HEADER1 0x02b8 + +/* RX_HDMI VSI MHL Monitor, default value: 0x3c */ +#define REG_RX_HDMI_VSIF_MHL_MON 0x02d7 + +#define MSK_RX_HDMI_VSIF_MHL_MON_RX_HDMI_MHL_3D_FORMAT 0x3c +#define MSK_RX_HDMI_VSIF_MHL_MON_RX_HDMI_MHL_VID_FORMAT 0x03 + +/* Interrupt Source 9, default value: 0x00 */ +#define REG_INTR9 0x02e0 +#define BIT_INTR9_EDID_ERROR BIT(6) +#define BIT_INTR9_EDID_DONE BIT(5) +#define BIT_INTR9_DEVCAP_DONE BIT(4) + +/* Interrupt 9 Mask, default value: 0x00 */ +#define REG_INTR9_MASK 0x02e1 + +/* TPI CBUS Start, default value: 0x00 */ +#define REG_TPI_CBUS_START 0x02e2 +#define BIT_TPI_CBUS_START_RCP_REQ_START BIT(7) +#define BIT_TPI_CBUS_START_RCPK_REPLY_START BIT(6) +#define BIT_TPI_CBUS_START_RCPE_REPLY_START BIT(5) +#define BIT_TPI_CBUS_START_PUT_LINK_MODE_START BIT(4) +#define BIT_TPI_CBUS_START_PUT_DCAPCHG_START BIT(3) +#define BIT_TPI_CBUS_START_PUT_DCAPRDY_START BIT(2) +#define BIT_TPI_CBUS_START_GET_EDID_START_0 BIT(1) +#define BIT_TPI_CBUS_START_GET_DEVCAP_START BIT(0) + +/* EDID Control, default value: 0x10 */ +#define REG_EDID_CTRL 0x02e3 +#define BIT_EDID_CTRL_EDID_PRIME_VALID BIT(7) +#define BIT_EDID_CTRL_XDEVCAP_EN BIT(6) +#define BIT_EDID_CTRL_DEVCAP_SELECT_DEVCAP BIT(5) +#define BIT_EDID_CTRL_EDID_FIFO_ADDR_AUTO BIT(4) +#define BIT_EDID_CTRL_EDID_FIFO_ACCESS_ALWAYS_EN BIT(3) +#define BIT_EDID_CTRL_EDID_FIFO_BLOCK_SEL BIT(2) +#define BIT_EDID_CTRL_INVALID_BKSV BIT(1) +#define BIT_EDID_CTRL_EDID_MODE_EN BIT(0) + +/* EDID FIFO Addr, default value: 0x00 */ +#define REG_EDID_FIFO_ADDR 0x02e9 + +/* EDID FIFO Write Data, default value: 0x00 */ +#define REG_EDID_FIFO_WR_DATA 0x02ea + +/* EDID/DEVCAP FIFO Internal Addr, default value: 0x00 */ +#define REG_EDID_FIFO_ADDR_MON 0x02eb + +/* EDID FIFO Read Data, default value: 0x00 */ +#define REG_EDID_FIFO_RD_DATA 0x02ec + +/* EDID DDC Segment Pointer, default value: 0x00 */ +#define REG_EDID_START_EXT 0x02ed + +/* TX IP BIST CNTL and Status, default value: 0x00 */ +#define REG_TX_IP_BIST_CNTLSTA 0x02f2 +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_QUARTER_CLK_SEL BIT(6) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_DONE BIT(5) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_ON BIT(4) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_RUN BIT(3) +#define BIT_TX_IP_BIST_CNTLSTA_TXCLK_HALF_SEL BIT(2) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_EN BIT(1) +#define BIT_TX_IP_BIST_CNTLSTA_TXBIST_SEL BIT(0) + +/* TX IP BIST INST LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_INST_LOW 0x02f3 +#define REG_TX_IP_BIST_INST_HIGH 0x02f4 + +/* TX IP BIST PATTERN LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_PAT_LOW 0x02f5 +#define REG_TX_IP_BIST_PAT_HIGH 0x02f6 + +/* TX IP BIST CONFIGURE LOW, default value: 0x00 */ +#define REG_TX_IP_BIST_CONF_LOW 0x02f7 +#define REG_TX_IP_BIST_CONF_HIGH 0x02f8 + +/* E-MSC General Control, default value: 0x80 */ +#define REG_GENCTL 0x0300 +#define BIT_GENCTL_SPEC_TRANS_DIS BIT(7) +#define BIT_GENCTL_DIS_XMIT_ERR_STATE BIT(6) +#define BIT_GENCTL_SPI_MISO_EDGE BIT(5) +#define BIT_GENCTL_SPI_MOSI_EDGE BIT(4) +#define BIT_GENCTL_CLR_EMSC_RFIFO BIT(3) +#define BIT_GENCTL_CLR_EMSC_XFIFO BIT(2) +#define BIT_GENCTL_START_TRAIN_SEQ BIT(1) +#define BIT_GENCTL_EMSC_EN BIT(0) + +/* E-MSC Comma ErrorCNT, default value: 0x03 */ +#define REG_COMMECNT 0x0305 +#define BIT_COMMECNT_I2C_TO_EMSC_EN BIT(7) +#define MSK_COMMECNT_COMMA_CHAR_ERR_CNT 0x0f + +/* E-MSC RFIFO ByteCnt, default value: 0x00 */ +#define REG_EMSCRFIFOBCNTL 0x031a +#define REG_EMSCRFIFOBCNTH 0x031b + +/* SPI Burst Cnt Status, default value: 0x00 */ +#define REG_SPIBURSTCNT 0x031e + +/* SPI Burst Status and SWRST, default value: 0x00 */ +#define REG_SPIBURSTSTAT 0x0322 +#define BIT_SPIBURSTSTAT_SPI_HDCPRST BIT(7) +#define BIT_SPIBURSTSTAT_SPI_CBUSRST BIT(6) +#define BIT_SPIBURSTSTAT_SPI_SRST BIT(5) +#define BIT_SPIBURSTSTAT_EMSC_NORMAL_MODE BIT(0) + +/* E-MSC 1st Interrupt, default value: 0x00 */ +#define REG_EMSCINTR 0x0323 +#define BIT_EMSCINTR_EMSC_XFIFO_EMPTY BIT(7) +#define BIT_EMSCINTR_EMSC_XMIT_ACK_TOUT BIT(6) +#define BIT_EMSCINTR_EMSC_RFIFO_READ_ERR BIT(5) +#define BIT_EMSCINTR_EMSC_XFIFO_WRITE_ERR BIT(4) +#define BIT_EMSCINTR_EMSC_COMMA_CHAR_ERR BIT(3) +#define BIT_EMSCINTR_EMSC_XMIT_DONE BIT(2) +#define BIT_EMSCINTR_EMSC_XMIT_GNT_TOUT BIT(1) +#define BIT_EMSCINTR_SPI_DVLD BIT(0) + +/* E-MSC Interrupt Mask, default value: 0x00 */ +#define REG_EMSCINTRMASK 0x0324 + +/* I2C E-MSC XMIT FIFO Write Port, default value: 0x00 */ +#define REG_EMSC_XMIT_WRITE_PORT 0x032a + +/* I2C E-MSC RCV FIFO Write Port, default value: 0x00 */ +#define REG_EMSC_RCV_READ_PORT 0x032b + +/* E-MSC 2nd Interrupt, default value: 0x00 */ +#define REG_EMSCINTR1 0x032c +#define BIT_EMSCINTR1_EMSC_TRAINING_COMMA_ERR BIT(0) + +/* E-MSC Interrupt Mask, default value: 0x00 */ +#define REG_EMSCINTRMASK1 0x032d +#define BIT_EMSCINTRMASK1_EMSC_INTRMASK1_0 BIT(0) + +/* MHL Top Ctl, default value: 0x00 */ +#define REG_MHL_TOP_CTL 0x0330 +#define BIT_MHL_TOP_CTL_MHL3_DOC_SEL BIT(7) +#define BIT_MHL_TOP_CTL_MHL_PP_SEL BIT(6) +#define MSK_MHL_TOP_CTL_IF_TIMING_CTL 0x03 + +/* MHL DataPath 1st Ctl, default value: 0xbc */ +#define REG_MHL_DP_CTL0 0x0331 +#define BIT_MHL_DP_CTL0_DP_OE BIT(7) +#define BIT_MHL_DP_CTL0_TX_OE_OVR BIT(6) +#define MSK_MHL_DP_CTL0_TX_OE 0x3f + +/* MHL DataPath 2nd Ctl, default value: 0xbb */ +#define REG_MHL_DP_CTL1 0x0332 +#define MSK_MHL_DP_CTL1_CK_SWING_CTL 0xf0 +#define MSK_MHL_DP_CTL1_DT_SWING_CTL 0x0f + +/* MHL DataPath 3rd Ctl, default value: 0x2f */ +#define REG_MHL_DP_CTL2 0x0333 +#define BIT_MHL_DP_CTL2_CLK_BYPASS_EN BIT(7) +#define MSK_MHL_DP_CTL2_DAMP_TERM_SEL 0x30 +#define MSK_MHL_DP_CTL2_CK_TERM_SEL 0x0c +#define MSK_MHL_DP_CTL2_DT_TERM_SEL 0x03 + +/* MHL DataPath 4th Ctl, default value: 0x48 */ +#define REG_MHL_DP_CTL3 0x0334 +#define MSK_MHL_DP_CTL3_DT_DRV_VNBC_CTL 0xf0 +#define MSK_MHL_DP_CTL3_DT_DRV_VNB_CTL 0x0f + +/* MHL DataPath 5th Ctl, default value: 0x48 */ +#define REG_MHL_DP_CTL4 0x0335 +#define MSK_MHL_DP_CTL4_CK_DRV_VNBC_CTL 0xf0 +#define MSK_MHL_DP_CTL4_CK_DRV_VNB_CTL 0x0f + +/* MHL DataPath 6th Ctl, default value: 0x3f */ +#define REG_MHL_DP_CTL5 0x0336 +#define BIT_MHL_DP_CTL5_RSEN_EN_OVR BIT(7) +#define BIT_MHL_DP_CTL5_RSEN_EN BIT(6) +#define MSK_MHL_DP_CTL5_DAMP_TERM_VGS_CTL 0x30 +#define MSK_MHL_DP_CTL5_CK_TERM_VGS_CTL 0x0c +#define MSK_MHL_DP_CTL5_DT_TERM_VGS_CTL 0x03 + +/* MHL PLL 1st Ctl, default value: 0x05 */ +#define REG_MHL_PLL_CTL0 0x0337 +#define BIT_MHL_PLL_CTL0_AUD_CLK_EN BIT(7) + +#define MSK_MHL_PLL_CTL0_AUD_CLK_RATIO 0x70 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_10 0x70 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_6 0x60 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_4 0x50 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_2 0x40 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_5 0x30 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_3 0x20 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_2_PRIME 0x10 +#define VAL_MHL_PLL_CTL0_AUD_CLK_RATIO_5_1 0x00 + +#define MSK_MHL_PLL_CTL0_HDMI_CLK_RATIO 0x0c +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_4X 0x0c +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_2X 0x08 +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_1X 0x04 +#define VAL_MHL_PLL_CTL0_HDMI_CLK_RATIO_HALF_X 0x00 + +#define BIT_MHL_PLL_CTL0_CRYSTAL_CLK_SEL BIT(1) +#define BIT_MHL_PLL_CTL0_ZONE_MASK_OE BIT(0) + +/* MHL PLL 3rd Ctl, default value: 0x80 */ +#define REG_MHL_PLL_CTL2 0x0339 +#define BIT_MHL_PLL_CTL2_CLKDETECT_EN BIT(7) +#define BIT_MHL_PLL_CTL2_MEAS_FVCO BIT(3) +#define BIT_MHL_PLL_CTL2_PLL_FAST_LOCK BIT(2) +#define MSK_MHL_PLL_CTL2_PLL_LF_SEL 0x03 + +/* MHL CBUS 1st Ctl, default value: 0x12 */ +#define REG_MHL_CBUS_CTL0 0x0340 +#define BIT_MHL_CBUS_CTL0_CBUS_RGND_TEST_MODE BIT(7) + +#define MSK_MHL_CBUS_CTL0_CBUS_RGND_VTH_CTL 0x30 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_734 0x00 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_747 0x10 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_740 0x20 +#define VAL_MHL_CBUS_CTL0_CBUS_RGND_VBIAS_754 0x30 + +#define MSK_MHL_CBUS_CTL0_CBUS_RES_TEST_SEL 0x0c + +#define MSK_MHL_CBUS_CTL0_CBUS_DRV_SEL 0x03 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_WEAKEST 0x00 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_WEAK 0x01 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONG 0x02 +#define VAL_MHL_CBUS_CTL0_CBUS_DRV_SEL_STRONGEST 0x03 + +/* MHL CBUS 2nd Ctl, default value: 0x03 */ +#define REG_MHL_CBUS_CTL1 0x0341 +#define MSK_MHL_CBUS_CTL1_CBUS_RGND_RES_CTL 0x07 +#define VAL_MHL_CBUS_CTL1_0888_OHM 0x00 +#define VAL_MHL_CBUS_CTL1_1115_OHM 0x04 +#define VAL_MHL_CBUS_CTL1_1378_OHM 0x07 + +/* MHL CoC 1st Ctl, default value: 0xc3 */ +#define REG_MHL_COC_CTL0 0x0342 +#define BIT_MHL_COC_CTL0_COC_BIAS_EN BIT(7) +#define MSK_MHL_COC_CTL0_COC_BIAS_CTL 0x70 +#define MSK_MHL_COC_CTL0_COC_TERM_CTL 0x07 + +/* MHL CoC 2nd Ctl, default value: 0x87 */ +#define REG_MHL_COC_CTL1 0x0343 +#define BIT_MHL_COC_CTL1_COC_EN BIT(7) +#define MSK_MHL_COC_CTL1_COC_DRV_CTL 0x3f + +/* MHL CoC 4th Ctl, default value: 0x00 */ +#define REG_MHL_COC_CTL3 0x0345 +#define BIT_MHL_COC_CTL3_COC_AECHO_EN BIT(0) + +/* MHL CoC 5th Ctl, default value: 0x28 */ +#define REG_MHL_COC_CTL4 0x0346 +#define MSK_MHL_COC_CTL4_COC_IF_CTL 0xf0 +#define MSK_MHL_COC_CTL4_COC_SLEW_CTL 0x0f + +/* MHL CoC 6th Ctl, default value: 0x0d */ +#define REG_MHL_COC_CTL5 0x0347 + +/* MHL DoC 1st Ctl, default value: 0x18 */ +#define REG_MHL_DOC_CTL0 0x0349 +#define BIT_MHL_DOC_CTL0_DOC_RXDATA_EN BIT(7) +#define MSK_MHL_DOC_CTL0_DOC_DM_TERM 0x38 +#define MSK_MHL_DOC_CTL0_DOC_OPMODE 0x06 +#define BIT_MHL_DOC_CTL0_DOC_RXBIAS_EN BIT(0) + +/* MHL DataPath 7th Ctl, default value: 0x2a */ +#define REG_MHL_DP_CTL6 0x0350 +#define BIT_MHL_DP_CTL6_DP_TAP2_SGN BIT(5) +#define BIT_MHL_DP_CTL6_DP_TAP2_EN BIT(4) +#define BIT_MHL_DP_CTL6_DP_TAP1_SGN BIT(3) +#define BIT_MHL_DP_CTL6_DP_TAP1_EN BIT(2) +#define BIT_MHL_DP_CTL6_DT_PREDRV_FEEDCAP_EN BIT(1) +#define BIT_MHL_DP_CTL6_DP_PRE_POST_SEL BIT(0) + +/* MHL DataPath 8th Ctl, default value: 0x06 */ +#define REG_MHL_DP_CTL7 0x0351 +#define MSK_MHL_DP_CTL7_DT_DRV_VBIAS_CASCTL 0xf0 +#define MSK_MHL_DP_CTL7_DT_DRV_IREF_CTL 0x0f + +/* Tx Zone Ctl1, default value: 0x00 */ +#define REG_TX_ZONE_CTL1 0x0361 +#define VAL_TX_ZONE_CTL1_TX_ZONE_CTRL_MODE 0x08 + +/* MHL3 Tx Zone Ctl, default value: 0x00 */ +#define REG_MHL3_TX_ZONE_CTL 0x0364 +#define BIT_MHL3_TX_ZONE_CTL_MHL2_INTPLT_ZONE_MANU_EN BIT(7) +#define MSK_MHL3_TX_ZONE_CTL_MHL3_TX_ZONE 0x03 + +#define MSK_TX_ZONE_CTL3_TX_ZONE 0x03 +#define VAL_TX_ZONE_CTL3_TX_ZONE_6GBPS 0x00 +#define VAL_TX_ZONE_CTL3_TX_ZONE_3GBPS 0x01 +#define VAL_TX_ZONE_CTL3_TX_ZONE_1_5GBPS 0x02 + +/* HDCP Polling Control and Status, default value: 0x70 */ +#define REG_HDCP2X_POLL_CS 0x0391 + +#define BIT_HDCP2X_POLL_CS_HDCP2X_MSG_SZ_CLR_OPTION BIT(6) +#define BIT_HDCP2X_POLL_CS_HDCP2X_RPT_READY_CLR_OPTION BIT(5) +#define BIT_HDCP2X_POLL_CS_HDCP2X_REAUTH_REQ_CLR_OPTION BIT(4) +#define MSK_HDCP2X_POLL_CS_ 0x0c +#define BIT_HDCP2X_POLL_CS_HDCP2X_DIS_POLL_GNT BIT(1) +#define BIT_HDCP2X_POLL_CS_HDCP2X_DIS_POLL_EN BIT(0) + +/* HDCP Interrupt 0, default value: 0x00 */ +#define REG_HDCP2X_INTR0 0x0398 + +/* HDCP Interrupt 0 Mask, default value: 0x00 */ +#define REG_HDCP2X_INTR0_MASK 0x0399 + +/* HDCP General Control 0, default value: 0x02 */ +#define REG_HDCP2X_CTRL_0 0x03a0 +#define BIT_HDCP2X_CTRL_0_HDCP2X_ENCRYPT_EN BIT(7) +#define BIT_HDCP2X_CTRL_0_HDCP2X_POLINT_SEL BIT(6) +#define BIT_HDCP2X_CTRL_0_HDCP2X_POLINT_OVR BIT(5) +#define BIT_HDCP2X_CTRL_0_HDCP2X_PRECOMPUTE BIT(4) +#define BIT_HDCP2X_CTRL_0_HDCP2X_HDMIMODE BIT(3) +#define BIT_HDCP2X_CTRL_0_HDCP2X_REPEATER BIT(2) +#define BIT_HDCP2X_CTRL_0_HDCP2X_HDCPTX BIT(1) +#define BIT_HDCP2X_CTRL_0_HDCP2X_EN BIT(0) + +/* HDCP General Control 1, default value: 0x08 */ +#define REG_HDCP2X_CTRL_1 0x03a1 +#define MSK_HDCP2X_CTRL_1_HDCP2X_REAUTH_MSK_3_0 0xf0 +#define BIT_HDCP2X_CTRL_1_HDCP2X_HPD_SW BIT(3) +#define BIT_HDCP2X_CTRL_1_HDCP2X_HPD_OVR BIT(2) +#define BIT_HDCP2X_CTRL_1_HDCP2X_CTL3MSK BIT(1) +#define BIT_HDCP2X_CTRL_1_HDCP2X_REAUTH_SW BIT(0) + +/* HDCP Misc Control, default value: 0x00 */ +#define REG_HDCP2X_MISC_CTRL 0x03a5 +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_XFER_START BIT(4) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_WR_START BIT(3) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_SMNG_WR BIT(2) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_RCVID_RD_START BIT(1) +#define BIT_HDCP2X_MISC_CTRL_HDCP2X_RPT_RCVID_RD BIT(0) + +/* HDCP RPT SMNG K, default value: 0x00 */ +#define REG_HDCP2X_RPT_SMNG_K 0x03a6 + +/* HDCP RPT SMNG In, default value: 0x00 */ +#define REG_HDCP2X_RPT_SMNG_IN 0x03a7 + +/* HDCP Auth Status, default value: 0x00 */ +#define REG_HDCP2X_AUTH_STAT 0x03aa + +/* HDCP RPT RCVID Out, default value: 0x00 */ +#define REG_HDCP2X_RPT_RCVID_OUT 0x03ac + +/* HDCP TP1, default value: 0x62 */ +#define REG_HDCP2X_TP1 0x03b4 + +/* HDCP GP Out 0, default value: 0x00 */ +#define REG_HDCP2X_GP_OUT0 0x03c7 + +/* HDCP Repeater RCVR ID 0, default value: 0x00 */ +#define REG_HDCP2X_RPT_RCVR_ID0 0x03d1 + +/* HDCP DDCM Status, default value: 0x00 */ +#define REG_HDCP2X_DDCM_STS 0x03d8 +#define MSK_HDCP2X_DDCM_STS_HDCP2X_DDCM_ERR_STS_3_0 0xf0 +#define MSK_HDCP2X_DDCM_STS_HDCP2X_DDCM_CTL_CS_3_0 0x0f + +/* HDMI2MHL3 Control, default value: 0x0a */ +#define REG_M3_CTRL 0x03e0 +#define BIT_M3_CTRL_H2M_SWRST BIT(4) +#define BIT_M3_CTRL_SW_MHL3_SEL BIT(3) +#define BIT_M3_CTRL_M3AV_EN BIT(2) +#define BIT_M3_CTRL_ENC_TMDS BIT(1) +#define BIT_M3_CTRL_MHL3_MASTER_EN BIT(0) + +#define VAL_M3_CTRL_MHL1_2_VALUE (BIT_M3_CTRL_SW_MHL3_SEL \ + | BIT_M3_CTRL_ENC_TMDS) +#define VAL_M3_CTRL_MHL3_VALUE (BIT_M3_CTRL_SW_MHL3_SEL \ + | BIT_M3_CTRL_M3AV_EN \ + | BIT_M3_CTRL_ENC_TMDS \ + | BIT_M3_CTRL_MHL3_MASTER_EN) + +/* HDMI2MHL3 Port0 Control, default value: 0x04 */ +#define REG_M3_P0CTRL 0x03e1 +#define BIT_M3_P0CTRL_MHL3_P0_HDCP_ENC_EN BIT(4) +#define BIT_M3_P0CTRL_MHL3_P0_UNLIMIT_EN BIT(3) +#define BIT_M3_P0CTRL_MHL3_P0_HDCP_EN BIT(2) +#define BIT_M3_P0CTRL_MHL3_P0_PIXEL_MODE_PACKED BIT(1) +#define BIT_M3_P0CTRL_MHL3_P0_PORT_EN BIT(0) + +#define REG_M3_POSTM 0x03e2 +#define MSK_M3_POSTM_RRP_DECODE 0xf8 +#define MSK_M3_POSTM_MHL3_P0_STM_ID 0x07 + +/* HDMI2MHL3 Scramble Control, default value: 0x41 */ +#define REG_M3_SCTRL 0x03e6 +#define MSK_M3_SCTRL_MHL3_SR_LENGTH 0xf0 +#define BIT_M3_SCTRL_MHL3_SCRAMBLER_EN BIT(0) + +/* HSIC Div Ctl, default value: 0x05 */ +#define REG_DIV_CTL_MAIN 0x03f2 +#define MSK_DIV_CTL_MAIN_PRE_DIV_CTL_MAIN 0x1c +#define MSK_DIV_CTL_MAIN_FB_DIV_CTL_MAIN 0x03 + +/* MHL Capability 1st Byte, default value: 0x00 */ +#define REG_MHL_DEVCAP_0 0x0400 + +/* MHL Interrupt 1st Byte, default value: 0x00 */ +#define REG_MHL_INT_0 0x0420 + +/* Device Status 1st byte, default value: 0x00 */ +#define REG_MHL_STAT_0 0x0430 + +/* CBUS Scratch Pad 1st Byte, default value: 0x00 */ +#define REG_MHL_SCRPAD_0 0x0440 + +/* MHL Extended Capability 1st Byte, default value: 0x00 */ +#define REG_MHL_EXTDEVCAP_0 0x0480 + +/* Device Extended Status 1st byte, default value: 0x00 */ +#define REG_MHL_EXTSTAT_0 0x0490 + +/* TPI DTD Byte2, default value: 0x00 */ +#define REG_TPI_DTD_B2 0x0602 + +#define VAL_TPI_QUAN_RANGE_LIMITED 0x01 +#define VAL_TPI_QUAN_RANGE_FULL 0x02 +#define VAL_TPI_FORMAT_RGB 0x00 +#define VAL_TPI_FORMAT_YCBCR444 0x01 +#define VAL_TPI_FORMAT_YCBCR422 0x02 +#define VAL_TPI_FORMAT_INTERNAL_RGB 0x03 +#define VAL_TPI_FORMAT(_fmt, _qr) \ + (VAL_TPI_FORMAT_##_fmt | (VAL_TPI_QUAN_RANGE_##_qr << 2)) + +/* Input Format, default value: 0x00 */ +#define REG_TPI_INPUT 0x0609 +#define BIT_TPI_INPUT_EXTENDEDBITMODE BIT(7) +#define BIT_TPI_INPUT_ENDITHER BIT(6) +#define MSK_TPI_INPUT_INPUT_QUAN_RANGE 0x0c +#define MSK_TPI_INPUT_INPUT_FORMAT 0x03 + +/* Output Format, default value: 0x00 */ +#define REG_TPI_OUTPUT 0x060a +#define BIT_TPI_OUTPUT_CSCMODE709 BIT(4) +#define MSK_TPI_OUTPUT_OUTPUT_QUAN_RANGE 0x0c +#define MSK_TPI_OUTPUT_OUTPUT_FORMAT 0x03 + +/* TPI AVI Check Sum, default value: 0x00 */ +#define REG_TPI_AVI_CHSUM 0x060c + +/* TPI System Control, default value: 0x00 */ +#define REG_TPI_SC 0x061a +#define BIT_TPI_SC_TPI_UPDATE_FLG BIT(7) +#define BIT_TPI_SC_TPI_REAUTH_CTL BIT(6) +#define BIT_TPI_SC_TPI_OUTPUT_MODE_1 BIT(5) +#define BIT_TPI_SC_REG_TMDS_OE_POWER_DOWN BIT(4) +#define BIT_TPI_SC_TPI_AV_MUTE BIT(3) +#define BIT_TPI_SC_DDC_GPU_REQUEST BIT(2) +#define BIT_TPI_SC_DDC_TPI_SW BIT(1) +#define BIT_TPI_SC_TPI_OUTPUT_MODE_0_HDMI BIT(0) + +/* TPI COPP Query Data, default value: 0x00 */ +#define REG_TPI_COPP_DATA1 0x0629 +#define BIT_TPI_COPP_DATA1_COPP_GPROT BIT(7) +#define BIT_TPI_COPP_DATA1_COPP_LPROT BIT(6) +#define MSK_TPI_COPP_DATA1_COPP_LINK_STATUS 0x30 +#define VAL_TPI_COPP_LINK_STATUS_NORMAL 0x00 +#define VAL_TPI_COPP_LINK_STATUS_LINK_LOST 0x10 +#define VAL_TPI_COPP_LINK_STATUS_RENEGOTIATION_REQ 0x20 +#define VAL_TPI_COPP_LINK_STATUS_LINK_SUSPENDED 0x30 +#define BIT_TPI_COPP_DATA1_COPP_HDCP_REP BIT(3) +#define BIT_TPI_COPP_DATA1_COPP_CONNTYPE_0 BIT(2) +#define BIT_TPI_COPP_DATA1_COPP_PROTYPE BIT(1) +#define BIT_TPI_COPP_DATA1_COPP_CONNTYPE_1 BIT(0) + +/* TPI COPP Control Data, default value: 0x00 */ +#define REG_TPI_COPP_DATA2 0x062a +#define BIT_TPI_COPP_DATA2_INTR_ENCRYPTION BIT(5) +#define BIT_TPI_COPP_DATA2_KSV_FORWARD BIT(4) +#define BIT_TPI_COPP_DATA2_INTERM_RI_CHECK_EN BIT(3) +#define BIT_TPI_COPP_DATA2_DOUBLE_RI_CHECK BIT(2) +#define BIT_TPI_COPP_DATA2_DDC_SHORT_RI_RD BIT(1) +#define BIT_TPI_COPP_DATA2_COPP_PROTLEVEL BIT(0) + +/* TPI Interrupt Enable, default value: 0x00 */ +#define REG_TPI_INTR_EN 0x063c + +/* TPI Interrupt Status Low Byte, default value: 0x00 */ +#define REG_TPI_INTR_ST0 0x063d +#define BIT_TPI_INTR_ST0_TPI_AUTH_CHNGE_STAT BIT(7) +#define BIT_TPI_INTR_ST0_TPI_V_RDY_STAT BIT(6) +#define BIT_TPI_INTR_ST0_TPI_COPP_CHNGE_STAT BIT(5) +#define BIT_TPI_INTR_ST0_KSV_FIFO_FIRST_STAT BIT(3) +#define BIT_TPI_INTR_ST0_READ_BKSV_BCAPS_DONE_STAT BIT(2) +#define BIT_TPI_INTR_ST0_READ_BKSV_BCAPS_ERR_STAT BIT(1) +#define BIT_TPI_INTR_ST0_READ_BKSV_ERR_STAT BIT(0) + +/* TPI DS BCAPS Status, default value: 0x00 */ +#define REG_TPI_DS_BCAPS 0x0644 + +/* TPI BStatus1, default value: 0x00 */ +#define REG_TPI_BSTATUS1 0x0645 +#define BIT_TPI_BSTATUS1_DS_DEV_EXCEED BIT(7) +#define MSK_TPI_BSTATUS1_DS_DEV_CNT 0x7f + +/* TPI BStatus2, default value: 0x10 */ +#define REG_TPI_BSTATUS2 0x0646 +#define MSK_TPI_BSTATUS2_DS_BSTATUS 0xe0 +#define BIT_TPI_BSTATUS2_DS_HDMI_MODE BIT(4) +#define BIT_TPI_BSTATUS2_DS_CASC_EXCEED BIT(3) +#define MSK_TPI_BSTATUS2_DS_DEPTH 0x07 + +/* TPI HW Optimization Control #3, default value: 0x00 */ +#define REG_TPI_HW_OPT3 0x06bb +#define BIT_TPI_HW_OPT3_DDC_DEBUG BIT(7) +#define BIT_TPI_HW_OPT3_RI_CHECK_SKIP BIT(3) +#define BIT_TPI_HW_OPT3_TPI_DDC_BURST_MODE BIT(2) +#define MSK_TPI_HW_OPT3_TPI_DDC_REQ_LEVEL 0x03 + +/* TPI Info Frame Select, default value: 0x00 */ +#define REG_TPI_INFO_FSEL 0x06bf +#define BIT_TPI_INFO_FSEL_TPI_INFO_EN BIT(7) +#define BIT_TPI_INFO_FSEL_TPI_INFO_RPT BIT(6) +#define BIT_TPI_INFO_FSEL_TPI_INFO_READ_FLAG BIT(5) +#define MSK_TPI_INFO_FSEL_TPI_INFO_SEL 0x07 + +/* TPI Info Byte #0, default value: 0x00 */ +#define REG_TPI_INFO_B0 0x06c0 + +/* CoC Status, default value: 0x00 */ +#define REG_COC_STAT_0 0x0700 +#define REG_COC_STAT_1 0x0701 +#define REG_COC_STAT_2 0x0702 +#define REG_COC_STAT_3 0x0703 +#define REG_COC_STAT_4 0x0704 +#define REG_COC_STAT_5 0x0705 + +/* CoC 1st Ctl, default value: 0x40 */ +#define REG_COC_CTL0 0x0710 + +/* CoC 2nd Ctl, default value: 0x0a */ +#define REG_COC_CTL1 0x0711 +#define MSK_COC_CTL1_COC_CTRL1_7_6 0xc0 +#define MSK_COC_CTL1_COC_CTRL1_5_0 0x3f + +/* CoC 3rd Ctl, default value: 0x14 */ +#define REG_COC_CTL2 0x0712 +#define MSK_COC_CTL2_COC_CTRL2_7_6 0xc0 +#define MSK_COC_CTL2_COC_CTRL2_5_0 0x3f + +/* CoC 4th Ctl, default value: 0x40 */ +#define REG_COC_CTL3 0x0713 +#define BIT_COC_CTL3_COC_CTRL3_7 BIT(7) +#define MSK_COC_CTL3_COC_CTRL3_6_0 0x7f + +/* CoC 7th Ctl, default value: 0x00 */ +#define REG_COC_CTL6 0x0716 +#define BIT_COC_CTL6_COC_CTRL6_7 BIT(7) +#define BIT_COC_CTL6_COC_CTRL6_6 BIT(6) +#define MSK_COC_CTL6_COC_CTRL6_5_0 0x3f + +/* CoC 8th Ctl, default value: 0x06 */ +#define REG_COC_CTL7 0x0717 +#define BIT_COC_CTL7_COC_CTRL7_7 BIT(7) +#define BIT_COC_CTL7_COC_CTRL7_6 BIT(6) +#define BIT_COC_CTL7_COC_CTRL7_5 BIT(5) +#define MSK_COC_CTL7_COC_CTRL7_4_3 0x18 +#define MSK_COC_CTL7_COC_CTRL7_2_0 0x07 + +/* CoC 10th Ctl, default value: 0x00 */ +#define REG_COC_CTL9 0x0719 + +/* CoC 11th Ctl, default value: 0x00 */ +#define REG_COC_CTLA 0x071a + +/* CoC 12th Ctl, default value: 0x00 */ +#define REG_COC_CTLB 0x071b + +/* CoC 13th Ctl, default value: 0x0f */ +#define REG_COC_CTLC 0x071c + +/* CoC 14th Ctl, default value: 0x0a */ +#define REG_COC_CTLD 0x071d +#define BIT_COC_CTLD_COC_CTRLD_7 BIT(7) +#define MSK_COC_CTLD_COC_CTRLD_6_0 0x7f + +/* CoC 15th Ctl, default value: 0x0a */ +#define REG_COC_CTLE 0x071e +#define BIT_COC_CTLE_COC_CTRLE_7 BIT(7) +#define MSK_COC_CTLE_COC_CTRLE_6_0 0x7f + +/* CoC 16th Ctl, default value: 0x00 */ +#define REG_COC_CTLF 0x071f +#define MSK_COC_CTLF_COC_CTRLF_7_3 0xf8 +#define MSK_COC_CTLF_COC_CTRLF_2_0 0x07 + +/* CoC 18th Ctl, default value: 0x32 */ +#define REG_COC_CTL11 0x0721 +#define MSK_COC_CTL11_COC_CTRL11_7_4 0xf0 +#define MSK_COC_CTL11_COC_CTRL11_3_0 0x0f + +/* CoC 21st Ctl, default value: 0x00 */ +#define REG_COC_CTL14 0x0724 +#define MSK_COC_CTL14_COC_CTRL14_7_4 0xf0 +#define MSK_COC_CTL14_COC_CTRL14_3_0 0x0f + +/* CoC 22nd Ctl, default value: 0x00 */ +#define REG_COC_CTL15 0x0725 +#define BIT_COC_CTL15_COC_CTRL15_7 BIT(7) +#define MSK_COC_CTL15_COC_CTRL15_6_4 0x70 +#define MSK_COC_CTL15_COC_CTRL15_3_0 0x0f + +/* CoC Interrupt, default value: 0x00 */ +#define REG_COC_INTR 0x0726 + +/* CoC Interrupt Mask, default value: 0x00 */ +#define REG_COC_INTR_MASK 0x0727 +#define BIT_COC_PLL_LOCK_STATUS_CHANGE BIT(0) +#define BIT_COC_CALIBRATION_DONE BIT(1) + +/* CoC Misc Ctl, default value: 0x00 */ +#define REG_COC_MISC_CTL0 0x0728 +#define BIT_COC_MISC_CTL0_FSM_MON BIT(7) + +/* CoC 24th Ctl, default value: 0x00 */ +#define REG_COC_CTL17 0x072a +#define MSK_COC_CTL17_COC_CTRL17_7_4 0xf0 +#define MSK_COC_CTL17_COC_CTRL17_3_0 0x0f + +/* CoC 25th Ctl, default value: 0x00 */ +#define REG_COC_CTL18 0x072b +#define MSK_COC_CTL18_COC_CTRL18_7_4 0xf0 +#define MSK_COC_CTL18_COC_CTRL18_3_0 0x0f + +/* CoC 26th Ctl, default value: 0x00 */ +#define REG_COC_CTL19 0x072c +#define MSK_COC_CTL19_COC_CTRL19_7_4 0xf0 +#define MSK_COC_CTL19_COC_CTRL19_3_0 0x0f + +/* CoC 27th Ctl, default value: 0x00 */ +#define REG_COC_CTL1A 0x072d +#define MSK_COC_CTL1A_COC_CTRL1A_7_2 0xfc +#define MSK_COC_CTL1A_COC_CTRL1A_1_0 0x03 + +/* DoC 9th Status, default value: 0x00 */ +#define REG_DOC_STAT_8 0x0740 + +/* DoC 10th Status, default value: 0x00 */ +#define REG_DOC_STAT_9 0x0741 + +/* DoC 5th CFG, default value: 0x00 */ +#define REG_DOC_CFG4 0x074e +#define MSK_DOC_CFG4_DBG_STATE_DOC_FSM 0x0f + +/* DoC 1st Ctl, default value: 0x40 */ +#define REG_DOC_CTL0 0x0751 + +/* DoC 7th Ctl, default value: 0x00 */ +#define REG_DOC_CTL6 0x0757 +#define BIT_DOC_CTL6_DOC_CTRL6_7 BIT(7) +#define BIT_DOC_CTL6_DOC_CTRL6_6 BIT(6) +#define MSK_DOC_CTL6_DOC_CTRL6_5_4 0x30 +#define MSK_DOC_CTL6_DOC_CTRL6_3_0 0x0f + +/* DoC 8th Ctl, default value: 0x00 */ +#define REG_DOC_CTL7 0x0758 +#define BIT_DOC_CTL7_DOC_CTRL7_7 BIT(7) +#define BIT_DOC_CTL7_DOC_CTRL7_6 BIT(6) +#define BIT_DOC_CTL7_DOC_CTRL7_5 BIT(5) +#define MSK_DOC_CTL7_DOC_CTRL7_4_3 0x18 +#define MSK_DOC_CTL7_DOC_CTRL7_2_0 0x07 + +/* DoC 9th Ctl, default value: 0x00 */ +#define REG_DOC_CTL8 0x076c +#define BIT_DOC_CTL8_DOC_CTRL8_7 BIT(7) +#define MSK_DOC_CTL8_DOC_CTRL8_6_4 0x70 +#define MSK_DOC_CTL8_DOC_CTRL8_3_2 0x0c +#define MSK_DOC_CTL8_DOC_CTRL8_1_0 0x03 + +/* DoC 10th Ctl, default value: 0x00 */ +#define REG_DOC_CTL9 0x076d + +/* DoC 11th Ctl, default value: 0x00 */ +#define REG_DOC_CTLA 0x076e + +/* DoC 15th Ctl, default value: 0x00 */ +#define REG_DOC_CTLE 0x0772 +#define BIT_DOC_CTLE_DOC_CTRLE_7 BIT(7) +#define BIT_DOC_CTLE_DOC_CTRLE_6 BIT(6) +#define MSK_DOC_CTLE_DOC_CTRLE_5_4 0x30 +#define MSK_DOC_CTLE_DOC_CTRLE_3_0 0x0f + +/* Interrupt Mask 1st, default value: 0x00 */ +#define REG_MHL_INT_0_MASK 0x0580 + +/* Interrupt Mask 2nd, default value: 0x00 */ +#define REG_MHL_INT_1_MASK 0x0581 + +/* Interrupt Mask 3rd, default value: 0x00 */ +#define REG_MHL_INT_2_MASK 0x0582 + +/* Interrupt Mask 4th, default value: 0x00 */ +#define REG_MHL_INT_3_MASK 0x0583 + +/* MDT Receive Time Out, default value: 0x00 */ +#define REG_MDT_RCV_TIMEOUT 0x0584 + +/* MDT Transmit Time Out, default value: 0x00 */ +#define REG_MDT_XMIT_TIMEOUT 0x0585 + +/* MDT Receive Control, default value: 0x00 */ +#define REG_MDT_RCV_CTRL 0x0586 +#define BIT_MDT_RCV_CTRL_MDT_RCV_EN BIT(7) +#define BIT_MDT_RCV_CTRL_MDT_DELAY_RCV_EN BIT(6) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_OVER_WR_EN BIT(4) +#define BIT_MDT_RCV_CTRL_MDT_XFIFO_OVER_WR_EN BIT(3) +#define BIT_MDT_RCV_CTRL_MDT_DISABLE BIT(2) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_ALL BIT(1) +#define BIT_MDT_RCV_CTRL_MDT_RFIFO_CLR_CUR BIT(0) + +/* MDT Receive Read Port, default value: 0x00 */ +#define REG_MDT_RCV_READ_PORT 0x0587 + +/* MDT Transmit Control, default value: 0x70 */ +#define REG_MDT_XMIT_CTRL 0x0588 +#define BIT_MDT_XMIT_CTRL_MDT_XMIT_EN BIT(7) +#define BIT_MDT_XMIT_CTRL_MDT_XMIT_CMD_MERGE_EN BIT(6) +#define BIT_MDT_XMIT_CTRL_MDT_XMIT_FIXED_BURST_LEN BIT(5) +#define BIT_MDT_XMIT_CTRL_MDT_XMIT_FIXED_AID BIT(4) +#define BIT_MDT_XMIT_CTRL_MDT_XMIT_SINGLE_RUN_EN BIT(3) +#define BIT_MDT_XMIT_CTRL_MDT_CLR_ABORT_WAIT BIT(2) +#define BIT_MDT_XMIT_CTRL_MDT_XFIFO_CLR_ALL BIT(1) +#define BIT_MDT_XMIT_CTRL_MDT_XFIFO_CLR_CUR BIT(0) + +/* MDT Receive WRITE Port, default value: 0x00 */ +#define REG_MDT_XMIT_WRITE_PORT 0x0589 + +/* MDT RFIFO Status, default value: 0x00 */ +#define REG_MDT_RFIFO_STAT 0x058a +#define MSK_MDT_RFIFO_STAT_MDT_RFIFO_CNT 0xe0 +#define MSK_MDT_RFIFO_STAT_MDT_RFIFO_CUR_BYTE_CNT 0x1f + +/* MDT XFIFO Status, default value: 0x80 */ +#define REG_MDT_XFIFO_STAT 0x058b +#define MSK_MDT_XFIFO_STAT_MDT_XFIFO_LEVEL_AVAIL 0xe0 +#define BIT_MDT_XFIFO_STAT_MDT_XMIT_PRE_HS_EN BIT(4) +#define MSK_MDT_XFIFO_STAT_MDT_WRITE_BURST_LEN 0x0f + +/* MDT Interrupt 0, default value: 0x0c */ +#define REG_MDT_INT_0 0x058c +#define BIT_MDT_RFIFO_DATA_RDY BIT(0) +#define BIT_MDT_IDLE_AFTER_HAWB_DISABLE BIT(2) +#define BIT_MDT_XFIFO_EMPTY BIT(3) + +/* MDT Interrupt 0 Mask, default value: 0x00 */ +#define REG_MDT_INT_0_MASK 0x058d + +/* MDT Interrupt 1, default value: 0x00 */ +#define REG_MDT_INT_1 0x058e +#define BIT_MDT_RCV_TIMEOUT BIT(0) +#define BIT_MDT_RCV_SM_ABORT_PKT_RCVD BIT(1) +#define BIT_MDT_RCV_SM_ERROR BIT(2) +#define BIT_MDT_XMIT_TIMEOUT BIT(5) +#define BIT_MDT_XMIT_SM_ABORT_PKT_RCVD BIT(6) +#define BIT_MDT_XMIT_SM_ERROR BIT(7) + +/* MDT Interrupt 1 Mask, default value: 0x00 */ +#define REG_MDT_INT_1_MASK 0x058f + +/* CBUS Vendor ID, default value: 0x01 */ +#define REG_CBUS_VENDOR_ID 0x0590 + +/* CBUS Connection Status, default value: 0x00 */ +#define REG_CBUS_STATUS 0x0591 +#define BIT_CBUS_STATUS_MHL_CABLE_PRESENT BIT(4) +#define BIT_CBUS_STATUS_MSC_HB_SUCCESS BIT(3) +#define BIT_CBUS_STATUS_CBUS_HPD BIT(2) +#define BIT_CBUS_STATUS_MHL_MODE BIT(1) +#define BIT_CBUS_STATUS_CBUS_CONNECTED BIT(0) + +/* CBUS Interrupt 1st, default value: 0x00 */ +#define REG_CBUS_INT_0 0x0592 +#define BIT_CBUS_MSC_MT_DONE_NACK BIT(7) +#define BIT_CBUS_MSC_MR_SET_INT BIT(6) +#define BIT_CBUS_MSC_MR_WRITE_BURST BIT(5) +#define BIT_CBUS_MSC_MR_MSC_MSG BIT(4) +#define BIT_CBUS_MSC_MR_WRITE_STAT BIT(3) +#define BIT_CBUS_HPD_CHG BIT(2) +#define BIT_CBUS_MSC_MT_DONE BIT(1) +#define BIT_CBUS_CNX_CHG BIT(0) + +/* CBUS Interrupt Mask 1st, default value: 0x00 */ +#define REG_CBUS_INT_0_MASK 0x0593 + +/* CBUS Interrupt 2nd, default value: 0x00 */ +#define REG_CBUS_INT_1 0x0594 +#define BIT_CBUS_CMD_ABORT BIT(6) +#define BIT_CBUS_MSC_ABORT_RCVD BIT(3) +#define BIT_CBUS_DDC_ABORT BIT(2) +#define BIT_CBUS_CEC_ABORT BIT(1) + +/* CBUS Interrupt Mask 2nd, default value: 0x00 */ +#define REG_CBUS_INT_1_MASK 0x0595 + +/* CBUS DDC Abort Interrupt, default value: 0x00 */ +#define REG_DDC_ABORT_INT 0x0598 + +/* CBUS DDC Abort Interrupt Mask, default value: 0x00 */ +#define REG_DDC_ABORT_INT_MASK 0x0599 + +/* CBUS MSC Requester Abort Interrupt, default value: 0x00 */ +#define REG_MSC_MT_ABORT_INT 0x059a + +/* CBUS MSC Requester Abort Interrupt Mask, default value: 0x00 */ +#define REG_MSC_MT_ABORT_INT_MASK 0x059b + +/* CBUS MSC Responder Abort Interrupt, default value: 0x00 */ +#define REG_MSC_MR_ABORT_INT 0x059c + +/* CBUS MSC Responder Abort Interrupt Mask, default value: 0x00 */ +#define REG_MSC_MR_ABORT_INT_MASK 0x059d + +/* CBUS RX DISCOVERY interrupt, default value: 0x00 */ +#define REG_CBUS_RX_DISC_INT0 0x059e + +/* CBUS RX DISCOVERY Interrupt Mask, default value: 0x00 */ +#define REG_CBUS_RX_DISC_INT0_MASK 0x059f + +/* CBUS_Link_Layer Control #8, default value: 0x00 */ +#define REG_CBUS_LINK_CTRL_8 0x05a7 + +/* MDT State Machine Status, default value: 0x00 */ +#define REG_MDT_SM_STAT 0x05b5 +#define MSK_MDT_SM_STAT_MDT_RCV_STATE 0xf0 +#define MSK_MDT_SM_STAT_MDT_XMIT_STATE 0x0f + +/* CBUS MSC command trigger, default value: 0x00 */ +#define REG_MSC_COMMAND_START 0x05b8 +#define BIT_MSC_COMMAND_START_DEBUG BIT(5) +#define BIT_MSC_COMMAND_START_WRITE_BURST BIT(4) +#define BIT_MSC_COMMAND_START_WRITE_STAT BIT(3) +#define BIT_MSC_COMMAND_START_READ_DEVCAP BIT(2) +#define BIT_MSC_COMMAND_START_MSC_MSG BIT(1) +#define BIT_MSC_COMMAND_START_PEER BIT(0) + +/* CBUS MSC Command/Offset, default value: 0x00 */ +#define REG_MSC_CMD_OR_OFFSET 0x05b9 + +/* CBUS MSC Transmit Data */ +#define REG_MSC_1ST_TRANSMIT_DATA 0x05ba +#define REG_MSC_2ND_TRANSMIT_DATA 0x05bb + +/* CBUS MSC Requester Received Data */ +#define REG_MSC_MT_RCVD_DATA0 0x05bc +#define REG_MSC_MT_RCVD_DATA1 0x05bd + +/* CBUS MSC Responder MSC_MSG Received Data */ +#define REG_MSC_MR_MSC_MSG_RCVD_1ST_DATA 0x05bf +#define REG_MSC_MR_MSC_MSG_RCVD_2ND_DATA 0x05c0 + +/* CBUS MSC Heartbeat Control, default value: 0x27 */ +#define REG_MSC_HEARTBEAT_CTRL 0x05c4 +#define BIT_MSC_HEARTBEAT_CTRL_MSC_HB_EN BIT(7) +#define MSK_MSC_HEARTBEAT_CTRL_MSC_HB_FAIL_LIMIT 0x70 +#define MSK_MSC_HEARTBEAT_CTRL_MSC_HB_PERIOD_MSB 0x0f + +/* CBUS MSC Compatibility Control, default value: 0x02 */ +#define REG_CBUS_MSC_COMPAT_CTRL 0x05c7 +#define BIT_CBUS_MSC_COMPAT_CTRL_XDEVCAP_EN BIT(7) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_MSC_ON_CBUS BIT(6) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_DDC_ON_CBUS BIT(5) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_GET_DDC_ERRORCODE BIT(3) +#define BIT_CBUS_MSC_COMPAT_CTRL_DISABLE_GET_VS1_ERRORCODE BIT(2) + +/* CBUS3 Converter Control, default value: 0x24 */ +#define REG_CBUS3_CNVT 0x05dc +#define MSK_CBUS3_CNVT_CBUS3_RETRYLMT 0xf0 +#define MSK_CBUS3_CNVT_CBUS3_PEERTOUT_SEL 0x0c +#define BIT_CBUS3_CNVT_TEARCBUS_EN BIT(1) +#define BIT_CBUS3_CNVT_CBUS3CNVT_EN BIT(0) + +/* Discovery Control1, default value: 0x24 */ +#define REG_DISC_CTRL1 0x05e0 +#define BIT_DISC_CTRL1_CBUS_INTR_EN BIT(7) +#define BIT_DISC_CTRL1_HB_ONLY BIT(6) +#define MSK_DISC_CTRL1_DISC_ATT 0x30 +#define MSK_DISC_CTRL1_DISC_CYC 0x0c +#define BIT_DISC_CTRL1_DISC_EN BIT(0) + +#define VAL_PUP_OFF 0 +#define VAL_PUP_20K 1 +#define VAL_PUP_5K 2 + +/* Discovery Control4, default value: 0x80 */ +#define REG_DISC_CTRL4 0x05e3 +#define MSK_DISC_CTRL4_CBUSDISC_PUP_SEL 0xc0 +#define MSK_DISC_CTRL4_CBUSIDLE_PUP_SEL 0x30 +#define VAL_DISC_CTRL4(pup_disc, pup_idle) (((pup_disc) << 6) | (pup_idle << 4)) + +/* Discovery Control5, default value: 0x03 */ +#define REG_DISC_CTRL5 0x05e4 +#define BIT_DISC_CTRL5_DSM_OVRIDE BIT(3) +#define MSK_DISC_CTRL5_CBUSMHL_PUP_SEL 0x03 + +/* Discovery Control8, default value: 0x81 */ +#define REG_DISC_CTRL8 0x05e7 +#define BIT_DISC_CTRL8_NOMHLINT_CLR_BYPASS BIT(7) +#define BIT_DISC_CTRL8_DELAY_CBUS_INTR_EN BIT(0) + +/* Discovery Control9, default value: 0x54 */ +#define REG_DISC_CTRL9 0x05e8 +#define BIT_DISC_CTRL9_MHL3_RSEN_BYP BIT(7) +#define BIT_DISC_CTRL9_MHL3DISC_EN BIT(6) +#define BIT_DISC_CTRL9_WAKE_DRVFLT BIT(4) +#define BIT_DISC_CTRL9_NOMHL_EST BIT(3) +#define BIT_DISC_CTRL9_DISC_PULSE_PROCEED BIT(2) +#define BIT_DISC_CTRL9_WAKE_PULSE_BYPASS BIT(1) +#define BIT_DISC_CTRL9_VBUS_OUTPUT_CAPABILITY_SRC BIT(0) + +/* Discovery Status1, default value: 0x00 */ +#define REG_DISC_STAT1 0x05eb +#define BIT_DISC_STAT1_PSM_OVRIDE BIT(5) +#define MSK_DISC_STAT1_DISC_SM 0x0f + +/* Discovery Status2, default value: 0x00 */ +#define REG_DISC_STAT2 0x05ec +#define BIT_DISC_STAT2_CBUS_OE_POL BIT(6) +#define BIT_DISC_STAT2_CBUS_SATUS BIT(5) +#define BIT_DISC_STAT2_RSEN BIT(4) + +#define MSK_DISC_STAT2_MHL_VRSN 0x0c +#define VAL_DISC_STAT2_DEFAULT 0x00 +#define VAL_DISC_STAT2_MHL1_2 0x04 +#define VAL_DISC_STAT2_MHL3 0x08 +#define VAL_DISC_STAT2_RESERVED 0x0c + +#define MSK_DISC_STAT2_RGND 0x03 +#define VAL_RGND_OPEN 0x00 +#define VAL_RGND_2K 0x01 +#define VAL_RGND_1K 0x02 +#define VAL_RGND_SHORT 0x03 + +/* Interrupt CBUS_reg1 INTR0, default value: 0x00 */ +#define REG_CBUS_DISC_INTR0 0x05ed +#define BIT_RGND_READY_INT BIT(6) +#define BIT_CBUS_MHL12_DISCON_INT BIT(5) +#define BIT_CBUS_MHL3_DISCON_INT BIT(4) +#define BIT_NOT_MHL_EST_INT BIT(3) +#define BIT_MHL_EST_INT BIT(2) +#define BIT_MHL3_EST_INT BIT(1) +#define VAL_CBUS_MHL_DISCON (BIT_CBUS_MHL12_DISCON_INT \ + | BIT_CBUS_MHL3_DISCON_INT \ + | BIT_NOT_MHL_EST_INT) + +/* Interrupt CBUS_reg1 INTR0 Mask, default value: 0x00 */ +#define REG_CBUS_DISC_INTR0_MASK 0x05ee + +#endif /* __SIL_SII8620_H__ */ -- cgit v1.2.3 From 3a81e96094b769d9cf5dc58761b9b85fa889e3aa Mon Sep 17 00:00:00 2001 From: kbuild test robot Date: Thu, 27 Oct 2016 00:58:36 +0800 Subject: drm/bridge: fix semicolon.cocci warnings drivers/gpu/drm/bridge/sil-sii8620.c:988:2-3: Unneeded semicolon Remove unneeded semicolon. Generated by: scripts/coccinelle/misc/semicolon.cocci CC: Andrzej Hajda Signed-off-by: Fengguang Wu Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/20161026165836.GA98907@lkp-sb04.lkp.intel.com --- drivers/gpu/drm/bridge/sil-sii8620.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 1345e7cc7bf0..4f0526e9edbe 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -985,7 +985,7 @@ static void sii8620_set_mode(struct sii8620 *ctx, enum sii8620_mode mode) default: dev_err(ctx->dev, "%s mode %d not supported\n", __func__, mode); break; - }; + } sii8620_set_auto_zone(ctx); -- cgit v1.2.3 From 56df51d003203f1c3a8eab05605973515aa15feb Mon Sep 17 00:00:00 2001 From: kbuild test robot Date: Thu, 27 Oct 2016 00:58:36 +0800 Subject: drm/bridge: fix platform_no_drv_owner.cocci warnings drivers/gpu/drm/bridge/sil-sii8620.c:1556:3-8: No need to set .owner here. The core will do it. Remove .owner field if calls are used which set it automatically Generated by: scripts/coccinelle/api/platform_no_drv_owner.cocci CC: Andrzej Hajda Signed-off-by: Fengguang Wu Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/20161026165836.GA98766@lkp-sb04.lkp.intel.com --- drivers/gpu/drm/bridge/sil-sii8620.c | 1 - 1 file changed, 1 deletion(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/sil-sii8620.c b/drivers/gpu/drm/bridge/sil-sii8620.c index 4f0526e9edbe..b2c267df7ee7 100644 --- a/drivers/gpu/drm/bridge/sil-sii8620.c +++ b/drivers/gpu/drm/bridge/sil-sii8620.c @@ -1553,7 +1553,6 @@ MODULE_DEVICE_TABLE(i2c, sii8620_id); static struct i2c_driver sii8620_driver = { .driver = { .name = "sii8620", - .owner = THIS_MODULE, .of_match_table = of_match_ptr(sii8620_dt_match), }, .probe = sii8620_probe, -- cgit v1.2.3 From 19423ba7109a94dfb3beda88f9dcced54e4831d8 Mon Sep 17 00:00:00 2001 From: Jianqun Xu Date: Wed, 16 Nov 2016 08:13:39 +0800 Subject: drm/bridge: analogix_dp: return error if transfer none byte Reference from drm_dp_aux description (about transfer): Upon success, the implementation should return the number of payload bytes that were transferred, or a negative error-code on failure. Helpers propagate errors from the .transfer() function, with the exception of the -EBUSY error, which causes a transaction to be retried. On a short, helpers will return -EPROTO to make it simpler to check for failure. The analogix_dp_transfer will return num_transferred, but if there is none byte been transferred, the return value will be 0, which means success, we should return error-code if transfer none byte. for (retry = 0; retry < 32; retry++) { err = aux->transfer(aux, &msg); if (err < 0) { if (err == -EBUSY) continue; goto unlock; } } Cc: zain wang Reviewed-by: Sean Paul Signed-off-by: Jianqun Xu Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1479255219-7243-1-git-send-email-jay.xu@rock-chips.com --- drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c index cd37ac058675..303083ad28e3 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_reg.c @@ -1162,5 +1162,5 @@ ssize_t analogix_dp_transfer(struct analogix_dp_device *dp, (msg->request & ~DP_AUX_I2C_MOT) == DP_AUX_NATIVE_READ) msg->reply = DP_AUX_NATIVE_REPLY_ACK; - return num_transferred; + return num_transferred > 0 ? num_transferred : -EBUSY; } -- cgit v1.2.3 From af948a25ecb2141b26138d52457f4742be0b497d Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Wed, 16 Nov 2016 23:42:31 +0800 Subject: drm/bridge: dumb-vga-dac: Support a VDD regulator supply Some dumb VGA DACs are active components which require external power. Add support for specifying a regulator as its power supply. Signed-off-by: Chen-Yu Tsai Acked-by: Rob Herring Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/20161116154232.872-2-wens@csie.org --- .../bindings/display/bridge/dumb-vga-dac.txt | 2 ++ drivers/gpu/drm/bridge/dumb-vga-dac.c | 33 ++++++++++++++++++++++ 2 files changed, 35 insertions(+) (limited to 'drivers/gpu/drm/bridge') diff --git a/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt b/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt index 003bc246a270..164cbb15f04c 100644 --- a/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt +++ b/Documentation/devicetree/bindings/display/bridge/dumb-vga-dac.txt @@ -16,6 +16,8 @@ graph bindings specified in Documentation/devicetree/bindings/graph.txt. - Video port 0 for RGB input - Video port 1 for VGA output +Optional properties: +- vdd-supply: Power supply for DAC Example ------- diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c index afec232185a7..e5706981c934 100644 --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c @@ -12,6 +12,7 @@ #include #include +#include #include #include @@ -23,6 +24,7 @@ struct dumb_vga { struct drm_connector connector; struct i2c_adapter *ddc; + struct regulator *vdd; }; static inline struct dumb_vga * @@ -124,8 +126,30 @@ static int dumb_vga_attach(struct drm_bridge *bridge) return 0; } +static void dumb_vga_enable(struct drm_bridge *bridge) +{ + struct dumb_vga *vga = drm_bridge_to_dumb_vga(bridge); + int ret = 0; + + if (vga->vdd) + ret = regulator_enable(vga->vdd); + + if (ret) + DRM_ERROR("Failed to enable vdd regulator: %d\n", ret); +} + +static void dumb_vga_disable(struct drm_bridge *bridge) +{ + struct dumb_vga *vga = drm_bridge_to_dumb_vga(bridge); + + if (vga->vdd) + regulator_disable(vga->vdd); +} + static const struct drm_bridge_funcs dumb_vga_bridge_funcs = { .attach = dumb_vga_attach, + .enable = dumb_vga_enable, + .disable = dumb_vga_disable, }; static struct i2c_adapter *dumb_vga_retrieve_ddc(struct device *dev) @@ -169,6 +193,15 @@ static int dumb_vga_probe(struct platform_device *pdev) return -ENOMEM; platform_set_drvdata(pdev, vga); + vga->vdd = devm_regulator_get_optional(&pdev->dev, "vdd"); + if (IS_ERR(vga->vdd)) { + ret = PTR_ERR(vga->vdd); + if (ret == -EPROBE_DEFER) + return -EPROBE_DEFER; + vga->vdd = NULL; + dev_dbg(&pdev->dev, "No vdd regulator found: %d\n", ret); + } + vga->ddc = dumb_vga_retrieve_ddc(&pdev->dev); if (IS_ERR(vga->ddc)) { if (PTR_ERR(vga->ddc) == -ENODEV) { -- cgit v1.2.3 From 2761ba6c0925ca9c5b917a95f68135d9dce443fb Mon Sep 17 00:00:00 2001 From: Kuninori Morimoto Date: Tue, 8 Nov 2016 01:00:57 +0000 Subject: drm: bridge: add DesignWare HDMI I2S audio support Current dw-hdmi is supporting sound via AHB bus, but it has I2S audio feature too. This patch adds I2S audio support to dw-hdmi. This HDMI I2S is supported by using ALSA SoC common HDMI encoder driver. Tested-by: Jose Abreu Acked-by: Russell King Signed-off-by: Kuninori Morimoto Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/8737j2bxba.wl%kuninori.morimoto.gx@renesas.com --- drivers/gpu/drm/bridge/Kconfig | 8 ++ drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/dw-hdmi-audio.h | 7 ++ drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c | 141 +++++++++++++++++++++++++++++ drivers/gpu/drm/bridge/dw-hdmi.c | 22 ++++- drivers/gpu/drm/bridge/dw-hdmi.h | 20 ++++ 6 files changed, 197 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index bd6acc829f97..8bce72f7562d 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -39,6 +39,14 @@ config DRM_DW_HDMI_AHB_AUDIO Designware HDMI block. This is used in conjunction with the i.MX6 HDMI driver. +config DRM_DW_HDMI_I2S_AUDIO + tristate "Synopsis Designware I2S Audio interface" + depends on DRM_DW_HDMI + select SND_SOC_HDMI_CODEC + help + Support the I2S Audio interface which is part of the Synopsis + Designware HDMI block. + config DRM_NXP_PTN3460 tristate "NXP PTN3460 DP/LVDS bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index 97ed1a5fea9a..1439ad84ccb7 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -4,6 +4,7 @@ obj-$(CONFIG_DRM_ANALOGIX_ANX78XX) += analogix-anx78xx.o obj-$(CONFIG_DRM_DUMB_VGA_DAC) += dumb-vga-dac.o obj-$(CONFIG_DRM_DW_HDMI) += dw-hdmi.o obj-$(CONFIG_DRM_DW_HDMI_AHB_AUDIO) += dw-hdmi-ahb-audio.o +obj-$(CONFIG_DRM_DW_HDMI_I2S_AUDIO) += dw-hdmi-i2s-audio.o obj-$(CONFIG_DRM_NXP_PTN3460) += nxp-ptn3460.o obj-$(CONFIG_DRM_PARADE_PS8622) += parade-ps8622.o obj-$(CONFIG_DRM_SIL_SII8620) += sil-sii8620.o diff --git a/drivers/gpu/drm/bridge/dw-hdmi-audio.h b/drivers/gpu/drm/bridge/dw-hdmi-audio.h index 91f631beecc7..fd1f745c6073 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi-audio.h +++ b/drivers/gpu/drm/bridge/dw-hdmi-audio.h @@ -11,4 +11,11 @@ struct dw_hdmi_audio_data { u8 *eld; }; +struct dw_hdmi_i2s_audio_data { + struct dw_hdmi *hdmi; + + void (*write)(struct dw_hdmi *hdmi, u8 val, int offset); + u8 (*read)(struct dw_hdmi *hdmi, int offset); +}; + #endif diff --git a/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c new file mode 100644 index 000000000000..aaf287d2e91d --- /dev/null +++ b/drivers/gpu/drm/bridge/dw-hdmi-i2s-audio.c @@ -0,0 +1,141 @@ +/* + * dw-hdmi-i2s-audio.c + * + * Copyright (c) 2016 Kuninori Morimoto + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#include + +#include + +#include "dw-hdmi.h" +#include "dw-hdmi-audio.h" + +#define DRIVER_NAME "dw-hdmi-i2s-audio" + +static inline void hdmi_write(struct dw_hdmi_i2s_audio_data *audio, + u8 val, int offset) +{ + struct dw_hdmi *hdmi = audio->hdmi; + + audio->write(hdmi, val, offset); +} + +static inline u8 hdmi_read(struct dw_hdmi_i2s_audio_data *audio, int offset) +{ + struct dw_hdmi *hdmi = audio->hdmi; + + return audio->read(hdmi, offset); +} + +static int dw_hdmi_i2s_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct dw_hdmi_i2s_audio_data *audio = data; + struct dw_hdmi *hdmi = audio->hdmi; + u8 conf0 = 0; + u8 conf1 = 0; + u8 inputclkfs = 0; + + /* it cares I2S only */ + if ((fmt->fmt != HDMI_I2S) || + (fmt->bit_clk_master | fmt->frame_clk_master)) { + dev_err(dev, "unsupported format/settings\n"); + return -EINVAL; + } + + inputclkfs = HDMI_AUD_INPUTCLKFS_64FS; + conf0 = HDMI_AUD_CONF0_I2S_ALL_ENABLE; + + switch (hparms->sample_width) { + case 16: + conf1 = HDMI_AUD_CONF1_WIDTH_16; + break; + case 24: + case 32: + conf1 = HDMI_AUD_CONF1_WIDTH_24; + break; + } + + dw_hdmi_set_sample_rate(hdmi, hparms->sample_rate); + + hdmi_write(audio, inputclkfs, HDMI_AUD_INPUTCLKFS); + hdmi_write(audio, conf0, HDMI_AUD_CONF0); + hdmi_write(audio, conf1, HDMI_AUD_CONF1); + + dw_hdmi_audio_enable(hdmi); + + return 0; +} + +static void dw_hdmi_i2s_audio_shutdown(struct device *dev, void *data) +{ + struct dw_hdmi_i2s_audio_data *audio = data; + struct dw_hdmi *hdmi = audio->hdmi; + + dw_hdmi_audio_disable(hdmi); + + hdmi_write(audio, HDMI_AUD_CONF0_SW_RESET, HDMI_AUD_CONF0); +} + +static struct hdmi_codec_ops dw_hdmi_i2s_ops = { + .hw_params = dw_hdmi_i2s_hw_params, + .audio_shutdown = dw_hdmi_i2s_audio_shutdown, +}; + +static int snd_dw_hdmi_probe(struct platform_device *pdev) +{ + struct dw_hdmi_i2s_audio_data *audio = pdev->dev.platform_data; + struct platform_device_info pdevinfo; + struct hdmi_codec_pdata pdata; + struct platform_device *platform; + + pdata.ops = &dw_hdmi_i2s_ops; + pdata.i2s = 1; + pdata.max_i2s_channels = 6; + pdata.data = audio; + + memset(&pdevinfo, 0, sizeof(pdevinfo)); + pdevinfo.parent = pdev->dev.parent; + pdevinfo.id = PLATFORM_DEVID_AUTO; + pdevinfo.name = HDMI_CODEC_DRV_NAME; + pdevinfo.data = &pdata; + pdevinfo.size_data = sizeof(pdata); + pdevinfo.dma_mask = DMA_BIT_MASK(32); + + platform = platform_device_register_full(&pdevinfo); + if (IS_ERR(platform)) + return PTR_ERR(platform); + + dev_set_drvdata(&pdev->dev, platform); + + return 0; +} + +static int snd_dw_hdmi_remove(struct platform_device *pdev) +{ + struct platform_device *platform = dev_get_drvdata(&pdev->dev); + + platform_device_unregister(platform); + + return 0; +} + +static struct platform_driver snd_dw_hdmi_driver = { + .probe = snd_dw_hdmi_probe, + .remove = snd_dw_hdmi_remove, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; +module_platform_driver(snd_dw_hdmi_driver); + +MODULE_AUTHOR("Kuninori Morimoto "); +MODULE_DESCRIPTION("Synopsis Designware HDMI I2S ALSA SoC interface"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:" DRIVER_NAME); diff --git a/drivers/gpu/drm/bridge/dw-hdmi.c b/drivers/gpu/drm/bridge/dw-hdmi.c index b71088dab268..235ce7d1583d 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.c +++ b/drivers/gpu/drm/bridge/dw-hdmi.c @@ -1871,10 +1871,11 @@ int dw_hdmi_bind(struct device *dev, struct device *master, struct device_node *np = dev->of_node; struct platform_device_info pdevinfo; struct device_node *ddc_node; - struct dw_hdmi_audio_data audio; struct dw_hdmi *hdmi; int ret; u32 val = 1; + u8 config0; + u8 config1; hdmi = devm_kzalloc(dev, sizeof(*hdmi), GFP_KERNEL); if (!hdmi) @@ -2011,7 +2012,12 @@ int dw_hdmi_bind(struct device *dev, struct device *master, pdevinfo.parent = dev; pdevinfo.id = PLATFORM_DEVID_AUTO; - if (hdmi_readb(hdmi, HDMI_CONFIG1_ID) & HDMI_CONFIG1_AHB) { + config0 = hdmi_readb(hdmi, HDMI_CONFIG0_ID); + config1 = hdmi_readb(hdmi, HDMI_CONFIG1_ID); + + if (config1 & HDMI_CONFIG1_AHB) { + struct dw_hdmi_audio_data audio; + audio.phys = iores->start; audio.base = hdmi->regs; audio.irq = irq; @@ -2023,6 +2029,18 @@ int dw_hdmi_bind(struct device *dev, struct device *master, pdevinfo.size_data = sizeof(audio); pdevinfo.dma_mask = DMA_BIT_MASK(32); hdmi->audio = platform_device_register_full(&pdevinfo); + } else if (config0 & HDMI_CONFIG0_I2S) { + struct dw_hdmi_i2s_audio_data audio; + + audio.hdmi = hdmi; + audio.write = hdmi_writeb; + audio.read = hdmi_readb; + + pdevinfo.name = "dw-hdmi-i2s-audio"; + pdevinfo.data = &audio; + pdevinfo.size_data = sizeof(audio); + pdevinfo.dma_mask = DMA_BIT_MASK(32); + hdmi->audio = platform_device_register_full(&pdevinfo); } /* Reset HDMI DDC I2C master controller and mute I2CM interrupts */ diff --git a/drivers/gpu/drm/bridge/dw-hdmi.h b/drivers/gpu/drm/bridge/dw-hdmi.h index 6aadc840e888..55135bbd0c16 100644 --- a/drivers/gpu/drm/bridge/dw-hdmi.h +++ b/drivers/gpu/drm/bridge/dw-hdmi.h @@ -545,6 +545,9 @@ #define HDMI_I2CM_FS_SCL_LCNT_0_ADDR 0x7E12 enum { +/* CONFIG0_ID field values */ + HDMI_CONFIG0_I2S = 0x10, + /* CONFIG1_ID field values */ HDMI_CONFIG1_AHB = 0x01, @@ -891,6 +894,17 @@ enum { HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_POL = 0x08, HDMI_PHY_I2CM_CTLINT_ADDR_ARBITRATION_MASK = 0x04, +/* AUD_CONF0 field values */ + HDMI_AUD_CONF0_SW_RESET = 0x80, + HDMI_AUD_CONF0_I2S_ALL_ENABLE = 0x2F, + +/* AUD_CONF1 field values */ + HDMI_AUD_CONF1_MODE_I2S = 0x00, + HDMI_AUD_CONF1_MODE_RIGHT_J = 0x02, + HDMI_AUD_CONF1_MODE_LEFT_J = 0x04, + HDMI_AUD_CONF1_WIDTH_16 = 0x10, + HDMI_AUD_CONF1_WIDTH_24 = 0x18, + /* AUD_CTS3 field values */ HDMI_AUD_CTS3_N_SHIFT_OFFSET = 5, HDMI_AUD_CTS3_N_SHIFT_MASK = 0xe0, @@ -905,6 +919,12 @@ enum { HDMI_AUD_CTS3_CTS_MANUAL = 0x10, HDMI_AUD_CTS3_AUDCTS19_16_MASK = 0x0f, +/* HDMI_AUD_INPUTCLKFS field values */ + HDMI_AUD_INPUTCLKFS_128FS = 0, + HDMI_AUD_INPUTCLKFS_256FS = 1, + HDMI_AUD_INPUTCLKFS_512FS = 2, + HDMI_AUD_INPUTCLKFS_64FS = 4, + /* AHB_DMA_CONF0 field values */ HDMI_AHB_DMA_CONF0_SW_FIFO_RST_OFFSET = 7, HDMI_AHB_DMA_CONF0_SW_FIFO_RST_MASK = 0x80, -- cgit v1.2.3 From 63926ba85fdf943da8e08553acae98be3056fef9 Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Fri, 25 Nov 2016 21:53:11 +0100 Subject: drm: bridge: dw-hdmi: add ASoC dependency The newly added sound driver depends on SND_SOC_HDMI_CODEC, which in turn only makes sense when ASoC is enabled, as shown by this warning: warning: (DRM_MSM && DRM_STI && DRM_MEDIATEK_HDMI && DRM_I2C_NXP_TDA998X && DRM_DW_HDMI_I2S_AUDIO) selects SND_SOC_HDMI_CODEC which has unmet direct dependencies (SOUND && !M68K && !UML && SND && SND_SOC) Since the audio driver is probably useless without the audio subsystem, adding a dependency here seems the right solution. Fixes: 2761ba6c0925 ("drm: bridge: add DesignWare HDMI I2S audio support") Acked-by: Kuninori Morimoto Signed-off-by: Arnd Bergmann Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/20161125205411.1157522-1-arnd@arndb.de --- drivers/gpu/drm/bridge/Kconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index 8bce72f7562d..29755bc32aab 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -41,6 +41,7 @@ config DRM_DW_HDMI_AHB_AUDIO config DRM_DW_HDMI_I2S_AUDIO tristate "Synopsis Designware I2S Audio interface" + depends on SND_SOC depends on DRM_DW_HDMI select SND_SOC_HDMI_CODEC help -- cgit v1.2.3 From 53c515befe2864173ac5acb5c248587ce24d245e Mon Sep 17 00:00:00 2001 From: John Stultz Date: Mon, 28 Nov 2016 17:22:31 -0800 Subject: drm/bridge: adv7511: Add Audio support MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch adds support to Audio for both adv7511 and adv7533 bridge chips. This patch was originally from [1] by Lars-Peter Clausen and was adapted by Archit Taneja and Srinivas Kandagatla . Then I heavily reworked it to use the hdmi-codec driver. And also folded in some audio packet initialization done by Andy Green . So credit to them, but blame to me. [1] https://github.com/analogdevicesinc/linux/blob/xcomm_zynq/drivers/gpu/drm/i2c/adv7511_audio.c Cc: David Airlie Cc: Archit Taneja Cc: Laurent Pinchart Cc: Wolfram Sang Cc: Srinivas Kandagatla Cc: "Ville Syrjälä" Cc: Boris Brezillon Cc: Andy Green Cc: Dave Long Cc: Guodong Xu Cc: Zhangfei Gao Cc: Mark Brown Cc: Lars-Peter Clausen Cc: Jose Abreu Cc: Kuninori Morimoto Cc: dri-devel@lists.freedesktop.org Acked-by: Lars-Peter Clausen Signed-off-by: John Stultz Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1480382552-28219-2-git-send-email-john.stultz@linaro.org --- drivers/gpu/drm/bridge/adv7511/Kconfig | 8 + drivers/gpu/drm/bridge/adv7511/Makefile | 1 + drivers/gpu/drm/bridge/adv7511/adv7511.h | 16 ++ drivers/gpu/drm/bridge/adv7511/adv7511_audio.c | 213 +++++++++++++++++++++++++ drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 4 + 5 files changed, 242 insertions(+) create mode 100644 drivers/gpu/drm/bridge/adv7511/adv7511_audio.c (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/adv7511/Kconfig b/drivers/gpu/drm/bridge/adv7511/Kconfig index d2b0499ab7d7..2fed567f9943 100644 --- a/drivers/gpu/drm/bridge/adv7511/Kconfig +++ b/drivers/gpu/drm/bridge/adv7511/Kconfig @@ -6,6 +6,14 @@ config DRM_I2C_ADV7511 help Support for the Analog Device ADV7511(W) and ADV7513 HDMI encoders. +config DRM_I2C_ADV7511_AUDIO + bool "ADV7511 HDMI Audio driver" + depends on DRM_I2C_ADV7511 && SND_SOC + select SND_SOC_HDMI_CODEC + help + Support the ADV7511 HDMI Audio interface. This is used in + conjunction with the AV7511 HDMI driver. + config DRM_I2C_ADV7533 bool "ADV7533 encoder" depends on DRM_I2C_ADV7511 diff --git a/drivers/gpu/drm/bridge/adv7511/Makefile b/drivers/gpu/drm/bridge/adv7511/Makefile index 9019327fff4c..5ba675534f6e 100644 --- a/drivers/gpu/drm/bridge/adv7511/Makefile +++ b/drivers/gpu/drm/bridge/adv7511/Makefile @@ -1,3 +1,4 @@ adv7511-y := adv7511_drv.o +adv7511-$(CONFIG_DRM_I2C_ADV7511_AUDIO) += adv7511_audio.o adv7511-$(CONFIG_DRM_I2C_ADV7533) += adv7533.o obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511.o diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511.h b/drivers/gpu/drm/bridge/adv7511/adv7511.h index 161c923d6162..992d76ce02bb 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511.h +++ b/drivers/gpu/drm/bridge/adv7511/adv7511.h @@ -309,6 +309,8 @@ struct adv7511 { struct drm_display_mode curr_mode; unsigned int f_tmds; + unsigned int f_audio; + unsigned int audio_source; unsigned int current_edid_segment; uint8_t edid_buf[256]; @@ -334,6 +336,7 @@ struct adv7511 { bool use_timing_gen; enum adv7511_type type; + struct platform_device *audio_pdev; }; #ifdef CONFIG_DRM_I2C_ADV7533 @@ -389,4 +392,17 @@ static inline int adv7533_parse_dt(struct device_node *np, struct adv7511 *adv) } #endif +#ifdef CONFIG_DRM_I2C_ADV7511_AUDIO +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511); +void adv7511_audio_exit(struct adv7511 *adv7511); +#else /*CONFIG_DRM_I2C_ADV7511_AUDIO */ +static inline int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + return 0; +} +static inline void adv7511_audio_exit(struct adv7511 *adv7511) +{ +} +#endif /* CONFIG_DRM_I2C_ADV7511_AUDIO */ + #endif /* __DRM_I2C_ADV7511_H__ */ diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c new file mode 100644 index 000000000000..cf92ebfe6ab7 --- /dev/null +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_audio.c @@ -0,0 +1,213 @@ +/* + * Analog Devices ADV7511 HDMI transmitter driver + * + * Copyright 2012 Analog Devices Inc. + * Copyright (c) 2016, Linaro Limited + * + * Licensed under the GPL-2. + */ + +#include +#include +#include +#include + +#include "adv7511.h" + +static void adv7511_calc_cts_n(unsigned int f_tmds, unsigned int fs, + unsigned int *cts, unsigned int *n) +{ + switch (fs) { + case 32000: + *n = 4096; + break; + case 44100: + *n = 6272; + break; + case 48000: + *n = 6144; + break; + } + + *cts = ((f_tmds * *n) / (128 * fs)) * 1000; +} + +static int adv7511_update_cts_n(struct adv7511 *adv7511) +{ + unsigned int cts = 0; + unsigned int n = 0; + + adv7511_calc_cts_n(adv7511->f_tmds, adv7511->f_audio, &cts, &n); + + regmap_write(adv7511->regmap, ADV7511_REG_N0, (n >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_N1, (n >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_N2, n & 0xff); + + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL0, + (cts >> 16) & 0xf); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL1, + (cts >> 8) & 0xff); + regmap_write(adv7511->regmap, ADV7511_REG_CTS_MANUAL2, + cts & 0xff); + + return 0; +} + +int adv7511_hdmi_hw_params(struct device *dev, void *data, + struct hdmi_codec_daifmt *fmt, + struct hdmi_codec_params *hparms) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + unsigned int audio_source, i2s_format = 0; + unsigned int invert_clock; + unsigned int rate; + unsigned int len; + + switch (hparms->sample_rate) { + case 32000: + rate = ADV7511_SAMPLE_FREQ_32000; + break; + case 44100: + rate = ADV7511_SAMPLE_FREQ_44100; + break; + case 48000: + rate = ADV7511_SAMPLE_FREQ_48000; + break; + case 88200: + rate = ADV7511_SAMPLE_FREQ_88200; + break; + case 96000: + rate = ADV7511_SAMPLE_FREQ_96000; + break; + case 176400: + rate = ADV7511_SAMPLE_FREQ_176400; + break; + case 192000: + rate = ADV7511_SAMPLE_FREQ_192000; + break; + default: + return -EINVAL; + } + + switch (hparms->sample_width) { + case 16: + len = ADV7511_I2S_SAMPLE_LEN_16; + break; + case 18: + len = ADV7511_I2S_SAMPLE_LEN_18; + break; + case 20: + len = ADV7511_I2S_SAMPLE_LEN_20; + break; + case 24: + len = ADV7511_I2S_SAMPLE_LEN_24; + break; + default: + return -EINVAL; + } + + switch (fmt->fmt) { + case HDMI_I2S: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_I2S; + break; + case HDMI_RIGHT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_RIGHT_J; + break; + case HDMI_LEFT_J: + audio_source = ADV7511_AUDIO_SOURCE_I2S; + i2s_format = ADV7511_I2S_FORMAT_LEFT_J; + break; + default: + return -EINVAL; + } + + invert_clock = fmt->bit_clk_inv; + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_SOURCE, 0x70, + audio_source << 4); + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, BIT(6), + invert_clock << 6); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2S_CONFIG, 0x03, + i2s_format); + + adv7511->audio_source = audio_source; + + adv7511->f_audio = hparms->sample_rate; + + adv7511_update_cts_n(adv7511); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG3, + ADV7511_AUDIO_CFG3_LEN_MASK, len); + regmap_update_bits(adv7511->regmap, ADV7511_REG_I2C_FREQ_ID_CFG, + ADV7511_I2C_FREQ_ID_CFG_RATE_MASK, rate << 4); + regmap_write(adv7511->regmap, 0x73, 0x1); + + return 0; +} + +static int audio_startup(struct device *dev, void *data) +{ + struct adv7511 *adv7511 = dev_get_drvdata(dev); + + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CONFIG, + BIT(7), 0); + + /* hide Audio infoframe updates */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_INFOFRAME_UPDATE, + BIT(5), BIT(5)); + /* enable N/CTS, enable Audio sample packets */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(5), BIT(5)); + /* enable N/CTS */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(6), BIT(6)); + /* not copyrighted */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_AUDIO_CFG1, + BIT(5), BIT(5)); + /* enable audio infoframes */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_PACKET_ENABLE1, + BIT(3), BIT(3)); + /* AV mute disable */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(0), + BIT(7) | BIT(6), BIT(7)); + /* use Audio infoframe updated info */ + regmap_update_bits(adv7511->regmap, ADV7511_REG_GC(1), + BIT(5), 0); + return 0; +} + +static void audio_shutdown(struct device *dev, void *data) +{ +} + +static const struct hdmi_codec_ops adv7511_codec_ops = { + .hw_params = adv7511_hdmi_hw_params, + .audio_shutdown = audio_shutdown, + .audio_startup = audio_startup, +}; + +static struct hdmi_codec_pdata codec_data = { + .ops = &adv7511_codec_ops, + .max_i2s_channels = 2, + .i2s = 1, +}; + +int adv7511_audio_init(struct device *dev, struct adv7511 *adv7511) +{ + adv7511->audio_pdev = platform_device_register_data(dev, + HDMI_CODEC_DRV_NAME, + PLATFORM_DEVID_AUTO, + &codec_data, + sizeof(codec_data)); + return PTR_ERR_OR_ZERO(adv7511->audio_pdev); +} + +void adv7511_audio_exit(struct adv7511 *adv7511) +{ + if (adv7511->audio_pdev) { + platform_device_unregister(adv7511->audio_pdev); + adv7511->audio_pdev = NULL; + } +} diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index 8ed3906dd411..8dba729f6ef9 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -1037,6 +1037,8 @@ static int adv7511_probe(struct i2c_client *i2c, const struct i2c_device_id *id) goto err_unregister_cec; } + adv7511_audio_init(dev, adv7511); + return 0; err_unregister_cec: @@ -1058,6 +1060,8 @@ static int adv7511_remove(struct i2c_client *i2c) drm_bridge_remove(&adv7511->bridge); + adv7511_audio_exit(adv7511); + i2c_unregister_device(adv7511->i2c_edid); kfree(adv7511->edid); -- cgit v1.2.3 From b2383fa3592061cda53b1650bf538b1d82add816 Mon Sep 17 00:00:00 2001 From: Srinivas Kandagatla Date: Mon, 28 Nov 2016 17:22:32 -0800 Subject: drm/bridge: adv7511: Enable the audio data and clock pads on adv7533 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This patch enables the Audio Data and Clock pads to the adv7533 bridge. Without this patch audio can not be played. Cc: David Airlie Cc: Archit Taneja Cc: Laurent Pinchart Cc: Wolfram Sang Cc: Srinivas Kandagatla Cc: "Ville Syrjälä" Cc: Boris Brezillon Cc: Andy Green Cc: Dave Long Cc: Guodong Xu Cc: Zhangfei Gao Cc: Mark Brown Cc: Lars-Peter Clausen Cc: Jose Abreu Cc: Kuninori Morimoto Cc: dri-devel@lists.freedesktop.org Signed-off-by: Srinivas Kandagatla Signed-off-by: John Stultz Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1480382552-28219-3-git-send-email-john.stultz@linaro.org --- drivers/gpu/drm/bridge/adv7511/adv7533.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/adv7511/adv7533.c b/drivers/gpu/drm/bridge/adv7511/adv7533.c index d7f7b7ce8ebe..8b210373cfa2 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7533.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7533.c @@ -29,6 +29,7 @@ static const struct reg_sequence adv7533_cec_fixed_registers[] = { { 0x17, 0xd0 }, { 0x24, 0x20 }, { 0x57, 0x11 }, + { 0x05, 0xc8 }, }; static const struct regmap_config adv7533_cec_regmap_config = { -- cgit v1.2.3 From dc55ac3b52e69be4868687acabf232af81e0ef8b Mon Sep 17 00:00:00 2001 From: Jyri Sarha Date: Mon, 31 Oct 2016 17:21:31 +0200 Subject: drm/bridge: Add ti-tfp410 DVI transmitter driver Add very basic ti-tfp410 DVI transmitter driver. The only feature separating this from a completely dummy bridge is the EDID read support trough DDC I2C. Even that functionality should be in a separate generic connector driver. However, because of missing DRM infrastructure support the connector is implemented within the bridge driver. Some tfp410 HW specific features may be added later if needed, because there is a set of registers behind i2c if it is connected. This implementation is tested against my new tilcdc bridge support and it works with BeagleBone DVI-D Cape Rev A3. A DT binding document is also updated. Signed-off-by: Jyri Sarha Acked-by: Rob Herring --- .../bindings/display/bridge/ti,tfp410.txt | 9 +- drivers/gpu/drm/bridge/Kconfig | 7 + drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/ti-tfp410.c | 317 +++++++++++++++++++++ 4 files changed, 332 insertions(+), 2 deletions(-) create mode 100644 drivers/gpu/drm/bridge/ti-tfp410.c (limited to 'drivers/gpu/drm/bridge') diff --git a/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt b/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt index 2cbe32a3d0bb..54d7e31525ec 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt +++ b/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt @@ -6,10 +6,15 @@ Required properties: Optional properties: - powerdown-gpios: power-down gpio +- reg: I2C address. If and only if present the device node + should be placed into the i2c controller node where the + tfp410 i2c is connected to. Required nodes: -- Video port 0 for DPI input -- Video port 1 for DVI output +- Video port 0 for DPI input [1]. +- Video port 1 for DVI output [1]. + +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt Example ------- diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index bd6acc829f97..a424e03b3007 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -81,6 +81,13 @@ config DRM_TOSHIBA_TC358767 ---help--- Toshiba TC358767 eDP bridge chip driver. +config DRM_TI_TFP410 + tristate "TI TFP410 DVI/HDMI bridge" + depends on OF + select DRM_KMS_HELPER + ---help--- + Texas Instruments TFP410 DVI/HDMI Transmitter driver + source "drivers/gpu/drm/bridge/analogix/Kconfig" source "drivers/gpu/drm/bridge/adv7511/Kconfig" diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makefile index 97ed1a5fea9a..8b065d9c7652 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -11,3 +11,4 @@ obj-$(CONFIG_DRM_SII902X) += sii902x.o obj-$(CONFIG_DRM_TOSHIBA_TC358767) += tc358767.o obj-$(CONFIG_DRM_ANALOGIX_DP) += analogix/ obj-$(CONFIG_DRM_I2C_ADV7511) += adv7511/ +obj-$(CONFIG_DRM_TI_TFP410) += ti-tfp410.o diff --git a/drivers/gpu/drm/bridge/ti-tfp410.c b/drivers/gpu/drm/bridge/ti-tfp410.c new file mode 100644 index 000000000000..b054ea349952 --- /dev/null +++ b/drivers/gpu/drm/bridge/ti-tfp410.c @@ -0,0 +1,317 @@ +/* + * Copyright (C) 2016 Texas Instruments + * Author: Jyri Sarha + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + */ + +#include +#include +#include +#include + +#include +#include +#include +#include + +struct tfp410 { + struct drm_bridge bridge; + struct drm_connector connector; + + struct i2c_adapter *ddc; + + struct device *dev; +}; + +static inline struct tfp410 * +drm_bridge_to_tfp410(struct drm_bridge *bridge) +{ + return container_of(bridge, struct tfp410, bridge); +} + +static inline struct tfp410 * +drm_connector_to_tfp410(struct drm_connector *connector) +{ + return container_of(connector, struct tfp410, connector); +} + +static int tfp410_get_modes(struct drm_connector *connector) +{ + struct tfp410 *dvi = drm_connector_to_tfp410(connector); + struct edid *edid; + int ret; + + if (!dvi->ddc) + goto fallback; + + edid = drm_get_edid(connector, dvi->ddc); + if (!edid) { + DRM_INFO("EDID read failed. Fallback to standard modes\n"); + goto fallback; + } + + drm_mode_connector_update_edid_property(connector, edid); + + return drm_add_edid_modes(connector, edid); +fallback: + /* No EDID, fallback on the XGA standard modes */ + ret = drm_add_modes_noedid(connector, 1920, 1200); + + /* And prefer a mode pretty much anything can handle */ + drm_set_preferred_mode(connector, 1024, 768); + + return ret; +} + +static const struct drm_connector_helper_funcs tfp410_con_helper_funcs = { + .get_modes = tfp410_get_modes, +}; + +static enum drm_connector_status +tfp410_connector_detect(struct drm_connector *connector, bool force) +{ + struct tfp410 *dvi = drm_connector_to_tfp410(connector); + + if (dvi->ddc) { + if (drm_probe_ddc(dvi->ddc)) + return connector_status_connected; + else + return connector_status_disconnected; + } + + return connector_status_unknown; +} + +static const struct drm_connector_funcs tfp410_con_funcs = { + .dpms = drm_atomic_helper_connector_dpms, + .detect = tfp410_connector_detect, + .fill_modes = drm_helper_probe_single_connector_modes, + .destroy = drm_connector_cleanup, + .reset = drm_atomic_helper_connector_reset, + .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, + .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, +}; + +static int tfp410_attach(struct drm_bridge *bridge) +{ + struct tfp410 *dvi = drm_bridge_to_tfp410(bridge); + int ret; + + if (!bridge->encoder) { + dev_err(dvi->dev, "Missing encoder\n"); + return -ENODEV; + } + + drm_connector_helper_add(&dvi->connector, + &tfp410_con_helper_funcs); + ret = drm_connector_init(bridge->dev, &dvi->connector, + &tfp410_con_funcs, DRM_MODE_CONNECTOR_HDMIA); + if (ret) { + dev_err(dvi->dev, "drm_connector_init() failed: %d\n", ret); + return ret; + } + + drm_mode_connector_attach_encoder(&dvi->connector, + bridge->encoder); + + return 0; +} + +static const struct drm_bridge_funcs tfp410_bridge_funcs = { + .attach = tfp410_attach, +}; + +static int tfp410_get_connector_ddc(struct tfp410 *dvi) +{ + struct device_node *ep = NULL, *connector_node = NULL; + struct device_node *ddc_phandle = NULL; + int ret = 0; + + /* port@1 is the connector node */ + ep = of_graph_get_endpoint_by_regs(dvi->dev->of_node, 1, -1); + if (!ep) + goto fail; + + connector_node = of_graph_get_remote_port_parent(ep); + if (!connector_node) + goto fail; + + ddc_phandle = of_parse_phandle(connector_node, "ddc-i2c-bus", 0); + if (!ddc_phandle) + goto fail; + + dvi->ddc = of_get_i2c_adapter_by_node(ddc_phandle); + if (dvi->ddc) + dev_info(dvi->dev, "Connector's ddc i2c bus found\n"); + else + ret = -EPROBE_DEFER; + +fail: + of_node_put(ep); + of_node_put(connector_node); + of_node_put(ddc_phandle); + return ret; +} + +static int tfp410_init(struct device *dev) +{ + struct tfp410 *dvi; + int ret; + + if (!dev->of_node) { + dev_err(dev, "device-tree data is missing\n"); + return -ENXIO; + } + + dvi = devm_kzalloc(dev, sizeof(*dvi), GFP_KERNEL); + if (!dvi) + return -ENOMEM; + dev_set_drvdata(dev, dvi); + + dvi->bridge.funcs = &tfp410_bridge_funcs; + dvi->bridge.of_node = dev->of_node; + dvi->dev = dev; + + ret = tfp410_get_connector_ddc(dvi); + if (ret) + goto fail; + + ret = drm_bridge_add(&dvi->bridge); + if (ret) { + dev_err(dev, "drm_bridge_add() failed: %d\n", ret); + goto fail; + } + + return 0; +fail: + i2c_put_adapter(dvi->ddc); + return ret; +} + +static int tfp410_fini(struct device *dev) +{ + struct tfp410 *dvi = dev_get_drvdata(dev); + + drm_bridge_remove(&dvi->bridge); + + if (dvi->ddc) + i2c_put_adapter(dvi->ddc); + + return 0; +} + +static int tfp410_probe(struct platform_device *pdev) +{ + return tfp410_init(&pdev->dev); +} + +static int tfp410_remove(struct platform_device *pdev) +{ + return tfp410_fini(&pdev->dev); +} + +static const struct of_device_id tfp410_match[] = { + { .compatible = "ti,tfp410" }, + {}, +}; +MODULE_DEVICE_TABLE(of, tfp410_match); + +struct platform_driver tfp410_platform_driver = { + .probe = tfp410_probe, + .remove = tfp410_remove, + .driver = { + .name = "tfp410-bridge", + .of_match_table = tfp410_match, + }, +}; + +#if IS_ENABLED(CONFIG_I2C) +/* There is currently no i2c functionality. */ +static int tfp410_i2c_probe(struct i2c_client *client, + const struct i2c_device_id *id) +{ + int reg; + + if (!client->dev.of_node || + of_property_read_u32(client->dev.of_node, "reg", ®)) { + dev_err(&client->dev, + "Can't get i2c reg property from device-tree\n"); + return -ENXIO; + } + + return tfp410_init(&client->dev); +} + +static int tfp410_i2c_remove(struct i2c_client *client) +{ + return tfp410_fini(&client->dev); +} + +static const struct i2c_device_id tfp410_i2c_ids[] = { + { "tfp410", 0 }, + { } +}; +MODULE_DEVICE_TABLE(i2c, tfp410_i2c_ids); + +static struct i2c_driver tfp410_i2c_driver = { + .driver = { + .name = "tfp410", + .of_match_table = of_match_ptr(tfp410_match), + }, + .id_table = tfp410_i2c_ids, + .probe = tfp410_i2c_probe, + .remove = tfp410_i2c_remove, +}; +#endif /* IS_ENABLED(CONFIG_I2C) */ + +static struct { + uint i2c:1; + uint platform:1; +} tfp410_registered_driver; + +static int __init tfp410_module_init(void) +{ + int ret; + +#if IS_ENABLED(CONFIG_I2C) + ret = i2c_add_driver(&tfp410_i2c_driver); + if (ret) + pr_err("%s: registering i2c driver failed: %d", + __func__, ret); + else + tfp410_registered_driver.i2c = 1; +#endif + + ret = platform_driver_register(&tfp410_platform_driver); + if (ret) + pr_err("%s: registering platform driver failed: %d", + __func__, ret); + else + tfp410_registered_driver.platform = 1; + + if (tfp410_registered_driver.i2c || + tfp410_registered_driver.platform) + return 0; + + return ret; +} +module_init(tfp410_module_init); + +static void __exit tfp410_module_exit(void) +{ +#if IS_ENABLED(CONFIG_I2C) + if (tfp410_registered_driver.i2c) + i2c_del_driver(&tfp410_i2c_driver); +#endif + if (tfp410_registered_driver.platform) + platform_driver_unregister(&tfp410_platform_driver); +} +module_exit(tfp410_module_exit); + +MODULE_AUTHOR("Jyri Sarha "); +MODULE_DESCRIPTION("TI TFP410 DVI bridge driver"); +MODULE_LICENSE("GPL"); -- cgit v1.2.3 From 87291e5dbae94da1ddd3966272e0d7d6dc7232f1 Mon Sep 17 00:00:00 2001 From: Lucas Stach Date: Wed, 30 Nov 2016 12:48:10 +0100 Subject: drm/bridge: tc358767: don't warn if display side ASSR enable fails ASSR is an optional feature, so it's a valid operating condition for the display to reject ASSR enable. Demote the warning to the debug level. Acked-by: Philipp Zabel Acked-by:Andrey Gusakov Signed-off-by: Lucas Stach Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/20161130114810.3245-1-l.stach@pengutronix.de --- drivers/gpu/drm/bridge/tc358767.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 44d476ea6d2e..a7872400eed8 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -908,7 +908,7 @@ static int tc_main_link_setup(struct tc_data *tc) goto err_dpcd_read; if (tmp[0] != tc->assr) { - dev_warn(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n", + dev_dbg(dev, "Failed to switch display ASSR to %d, falling back to unscrambled mode\n", tc->assr); /* trying with disabled scrambler */ tc->link.scrambler_dis = 1; -- cgit v1.2.3 From 949f08862d662f17b9d2929c6afb2d4e8f5d50cb Mon Sep 17 00:00:00 2001 From: Laurent Pinchart Date: Tue, 29 Nov 2016 22:56:30 +0200 Subject: drm: Make the connector .detect() callback optional Many drivers (21 to be exact) create connectors that are always connected (for instance to an LVDS or DSI panel). Instead of forcing them to implement a dummy .detect() handler, make the callback optional and consider the connector as always connected in that case. Reviewed-by: Alex Deucher Acked-by: Maxime Ripard Acked-by: Jyri Sarha Acked-by: Jani Nikula Acked-by: Philipp Zabel Acked-by: Vincent Abriou Acked-by: Alexey Brodkin Signed-off-by: Laurent Pinchart [seanpaul fixed small conflict in rcar-du/rcar_du_lvdscon.c] Signed-off-by: Sean Paul --- drivers/gpu/drm/amd/amdgpu/dce_virtual.c | 7 ------- drivers/gpu/drm/arc/arcpgu_sim.c | 7 ------- drivers/gpu/drm/ast/ast_mode.c | 7 ------- drivers/gpu/drm/bochs/bochs_kms.c | 7 ------- drivers/gpu/drm/bridge/nxp-ptn3460.c | 7 ------- drivers/gpu/drm/bridge/parade-ps8622.c | 7 ------- drivers/gpu/drm/bridge/tc358767.c | 7 ------- drivers/gpu/drm/cirrus/cirrus_mode.c | 7 ------- drivers/gpu/drm/drm_probe_helper.c | 14 +++++++++++--- drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c | 7 ------- drivers/gpu/drm/gma500/cdv_intel_lvds.c | 14 -------------- drivers/gpu/drm/gma500/psb_intel_lvds.c | 14 -------------- drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c | 7 ------- drivers/gpu/drm/i915/intel_dsi.c | 7 ------- drivers/gpu/drm/imx/imx-ldb.c | 7 ------- drivers/gpu/drm/imx/imx-tve.c | 7 ------- drivers/gpu/drm/imx/parallel-display.c | 7 ------- drivers/gpu/drm/mediatek/mtk_dsi.c | 7 ------- drivers/gpu/drm/mgag200/mgag200_mode.c | 7 ------- drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c | 7 ------- drivers/gpu/drm/rockchip/dw-mipi-dsi.c | 7 ------- drivers/gpu/drm/shmobile/shmob_drm_crtc.c | 7 ------- drivers/gpu/drm/sti/sti_hda.c | 7 ------- drivers/gpu/drm/sun4i/sun4i_rgb.c | 7 ------- drivers/gpu/drm/sun4i/sun4i_tv.c | 7 ------- drivers/gpu/drm/tilcdc/tilcdc_panel.c | 8 -------- include/drm/drm_connector.h | 3 +++ 27 files changed, 14 insertions(+), 193 deletions(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c index 81cbf0b05dff..1d93e123532d 100644 --- a/drivers/gpu/drm/amd/amdgpu/dce_virtual.c +++ b/drivers/gpu/drm/amd/amdgpu/dce_virtual.c @@ -429,12 +429,6 @@ dce_virtual_dpms(struct drm_connector *connector, int mode) return 0; } -static enum drm_connector_status -dce_virtual_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int dce_virtual_set_property(struct drm_connector *connector, struct drm_property *property, @@ -463,7 +457,6 @@ static const struct drm_connector_helper_funcs dce_virtual_connector_helper_func static const struct drm_connector_funcs dce_virtual_connector_funcs = { .dpms = dce_virtual_dpms, - .detect = dce_virtual_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = dce_virtual_set_property, .destroy = dce_virtual_destroy, diff --git a/drivers/gpu/drm/arc/arcpgu_sim.c b/drivers/gpu/drm/arc/arcpgu_sim.c index 2bf06d71556a..bca3a678c955 100644 --- a/drivers/gpu/drm/arc/arcpgu_sim.c +++ b/drivers/gpu/drm/arc/arcpgu_sim.c @@ -41,12 +41,6 @@ static int arcpgu_drm_connector_get_modes(struct drm_connector *connector) return count; } -static enum drm_connector_status -arcpgu_drm_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void arcpgu_drm_connector_destroy(struct drm_connector *connector) { drm_connector_unregister(connector); @@ -61,7 +55,6 @@ arcpgu_drm_connector_helper_funcs = { static const struct drm_connector_funcs arcpgu_drm_connector_funcs = { .dpms = drm_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, - .detect = arcpgu_drm_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = arcpgu_drm_connector_destroy, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 5957c3e659fe..e26c98f51eb4 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -839,12 +839,6 @@ static void ast_connector_destroy(struct drm_connector *connector) kfree(connector); } -static enum drm_connector_status -ast_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { .mode_valid = ast_mode_valid, .get_modes = ast_get_modes, @@ -853,7 +847,6 @@ static const struct drm_connector_helper_funcs ast_connector_helper_funcs = { static const struct drm_connector_funcs ast_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = ast_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = ast_connector_destroy, }; diff --git a/drivers/gpu/drm/bochs/bochs_kms.c b/drivers/gpu/drm/bochs/bochs_kms.c index 0b4e5d117043..d5e63eff357b 100644 --- a/drivers/gpu/drm/bochs/bochs_kms.c +++ b/drivers/gpu/drm/bochs/bochs_kms.c @@ -216,12 +216,6 @@ bochs_connector_best_encoder(struct drm_connector *connector) return NULL; } -static enum drm_connector_status bochs_connector_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_helper_funcs bochs_connector_connector_helper_funcs = { .get_modes = bochs_connector_get_modes, .mode_valid = bochs_connector_mode_valid, @@ -230,7 +224,6 @@ static const struct drm_connector_helper_funcs bochs_connector_connector_helper_ static const struct drm_connector_funcs bochs_connector_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = bochs_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, }; diff --git a/drivers/gpu/drm/bridge/nxp-ptn3460.c b/drivers/gpu/drm/bridge/nxp-ptn3460.c index f1a99938e924..27f98c518dde 100644 --- a/drivers/gpu/drm/bridge/nxp-ptn3460.c +++ b/drivers/gpu/drm/bridge/nxp-ptn3460.c @@ -239,16 +239,9 @@ static const struct drm_connector_helper_funcs ptn3460_connector_helper_funcs = .get_modes = ptn3460_get_modes, }; -static enum drm_connector_status ptn3460_detect(struct drm_connector *connector, - bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs ptn3460_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = ptn3460_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index 6f7c2f9860d2..ac8cc5b50d9f 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -477,16 +477,9 @@ static const struct drm_connector_helper_funcs ps8622_connector_helper_funcs = { .get_modes = ps8622_get_modes, }; -static enum drm_connector_status ps8622_detect(struct drm_connector *connector, - bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs ps8622_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = ps8622_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index a7872400eed8..de9ffb49e9f6 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1038,12 +1038,6 @@ err: return ret; } -static enum drm_connector_status -tc_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void tc_bridge_pre_enable(struct drm_bridge *bridge) { struct tc_data *tc = bridge_to_tc(bridge); @@ -1168,7 +1162,6 @@ static const struct drm_connector_helper_funcs tc_connector_helper_funcs = { static const struct drm_connector_funcs tc_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = tc_connector_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/cirrus/cirrus_mode.c b/drivers/gpu/drm/cirrus/cirrus_mode.c index 17c915d9a03e..9a4a27c1afd2 100644 --- a/drivers/gpu/drm/cirrus/cirrus_mode.c +++ b/drivers/gpu/drm/cirrus/cirrus_mode.c @@ -498,12 +498,6 @@ static struct drm_encoder *cirrus_connector_best_encoder(struct drm_connector return NULL; } -static enum drm_connector_status cirrus_vga_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - static void cirrus_connector_destroy(struct drm_connector *connector) { drm_connector_cleanup(connector); @@ -517,7 +511,6 @@ static const struct drm_connector_helper_funcs cirrus_vga_connector_helper_funcs static const struct drm_connector_funcs cirrus_vga_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = cirrus_vga_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = cirrus_connector_destroy, }; diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c index f6b64d7d3528..078d9703a4fe 100644 --- a/drivers/gpu/drm/drm_probe_helper.c +++ b/drivers/gpu/drm/drm_probe_helper.c @@ -152,6 +152,14 @@ void drm_kms_helper_poll_enable_locked(struct drm_device *dev) } EXPORT_SYMBOL(drm_kms_helper_poll_enable_locked); +static enum drm_connector_status +drm_connector_detect(struct drm_connector *connector, bool force) +{ + return connector->funcs->detect ? + connector->funcs->detect(connector, force) : + connector_status_connected; +} + /** * drm_helper_probe_single_connector_modes - get complete set of display modes * @connector: connector to probe @@ -239,7 +247,7 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector, if (connector->funcs->force) connector->funcs->force(connector); } else { - connector->status = connector->funcs->detect(connector, true); + connector->status = drm_connector_detect(connector, true); } /* @@ -405,7 +413,7 @@ static void output_poll_execute(struct work_struct *work) repoll = true; - connector->status = connector->funcs->detect(connector, false); + connector->status = drm_connector_detect(connector, false); if (old_status != connector->status) { const char *old, *new; @@ -565,7 +573,7 @@ bool drm_helper_hpd_irq_event(struct drm_device *dev) old_status = connector->status; - connector->status = connector->funcs->detect(connector, false); + connector->status = drm_connector_detect(connector, false); DRM_DEBUG_KMS("[CONNECTOR:%d:%s] status updated from %s to %s\n", connector->base.id, connector->name, diff --git a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c index e1dd75b18118..05a8ee106879 100644 --- a/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c +++ b/drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c @@ -58,17 +58,10 @@ static void fsl_dcu_drm_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } -static enum drm_connector_status -fsl_dcu_drm_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs fsl_dcu_drm_connector_funcs = { .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, .destroy = fsl_dcu_drm_connector_destroy, - .detect = fsl_dcu_drm_connector_detect, .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, .reset = drm_atomic_helper_connector_reset, diff --git a/drivers/gpu/drm/gma500/cdv_intel_lvds.c b/drivers/gpu/drm/gma500/cdv_intel_lvds.c index ea733ab5b1e0..5efdb7fbb7ee 100644 --- a/drivers/gpu/drm/gma500/cdv_intel_lvds.c +++ b/drivers/gpu/drm/gma500/cdv_intel_lvds.c @@ -386,19 +386,6 @@ static void cdv_intel_lvds_mode_set(struct drm_encoder *encoder, REG_WRITE(PFIT_CONTROL, pfit_control); } -/** - * Detect the LVDS connection. - * - * This always returns CONNECTOR_STATUS_CONNECTED. - * This connector should only have - * been set up if the LVDS was actually connected anyway. - */ -static enum drm_connector_status cdv_intel_lvds_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - /** * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. */ @@ -521,7 +508,6 @@ static const struct drm_connector_helper_funcs static const struct drm_connector_funcs cdv_intel_lvds_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = cdv_intel_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = cdv_intel_lvds_set_property, .destroy = cdv_intel_lvds_destroy, diff --git a/drivers/gpu/drm/gma500/psb_intel_lvds.c b/drivers/gpu/drm/gma500/psb_intel_lvds.c index fd7c91254841..483fdce74e39 100644 --- a/drivers/gpu/drm/gma500/psb_intel_lvds.c +++ b/drivers/gpu/drm/gma500/psb_intel_lvds.c @@ -499,19 +499,6 @@ static void psb_intel_lvds_mode_set(struct drm_encoder *encoder, REG_WRITE(PFIT_CONTROL, pfit_control); } -/* - * Detect the LVDS connection. - * - * This always returns CONNECTOR_STATUS_CONNECTED. - * This connector should only have - * been set up if the LVDS was actually connected anyway. - */ -static enum drm_connector_status psb_intel_lvds_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - /* * Return the list of DDC modes if available, or the BIOS fixed mode otherwise. */ @@ -643,7 +630,6 @@ const struct drm_connector_helper_funcs const struct drm_connector_funcs psb_intel_lvds_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = psb_intel_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, .set_property = psb_intel_lvds_set_property, .destroy = psb_intel_lvds_destroy, diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c index d1f67a9d4d86..12a18557c5fd 100644 --- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c +++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c @@ -39,12 +39,6 @@ hibmc_connector_best_encoder(struct drm_connector *connector) return drm_encoder_find(connector->dev, connector->encoder_ids[0]); } -static enum drm_connector_status hibmc_connector_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_helper_funcs hibmc_connector_helper_funcs = { .get_modes = hibmc_connector_get_modes, @@ -54,7 +48,6 @@ static const struct drm_connector_helper_funcs static const struct drm_connector_funcs hibmc_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, - .detect = hibmc_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, diff --git a/drivers/gpu/drm/i915/intel_dsi.c b/drivers/gpu/drm/i915/intel_dsi.c index 4e0d025490a3..5b72c50d6f76 100644 --- a/drivers/gpu/drm/i915/intel_dsi.c +++ b/drivers/gpu/drm/i915/intel_dsi.c @@ -1298,12 +1298,6 @@ static void intel_dsi_prepare(struct intel_encoder *intel_encoder, } } -static enum drm_connector_status -intel_dsi_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int intel_dsi_get_modes(struct drm_connector *connector) { struct intel_connector *intel_connector = to_intel_connector(connector); @@ -1407,7 +1401,6 @@ static const struct drm_connector_helper_funcs intel_dsi_connector_helper_funcs static const struct drm_connector_funcs intel_dsi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, - .detect = intel_dsi_detect, .late_register = intel_connector_register, .early_unregister = intel_connector_unregister, .destroy = intel_dsi_connector_destroy, diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index b300998dce7d..516d06490465 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -101,12 +101,6 @@ struct imx_ldb { const struct bus_mux *lvds_mux; }; -static enum drm_connector_status imx_ldb_connector_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void imx_ldb_ch_set_bus_format(struct imx_ldb_channel *imx_ldb_ch, u32 bus_format) { @@ -397,7 +391,6 @@ static int imx_ldb_encoder_atomic_check(struct drm_encoder *encoder, static const struct drm_connector_funcs imx_ldb_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = imx_ldb_connector_detect, .destroy = imx_drm_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/imx/imx-tve.c b/drivers/gpu/drm/imx/imx-tve.c index 8fc088843e55..3b602ee33c44 100644 --- a/drivers/gpu/drm/imx/imx-tve.c +++ b/drivers/gpu/drm/imx/imx-tve.c @@ -227,12 +227,6 @@ static int tve_setup_vga(struct imx_tve *tve) TVE_TVDAC_TEST_MODE_MASK, 1); } -static enum drm_connector_status imx_tve_connector_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int imx_tve_connector_get_modes(struct drm_connector *connector) { struct imx_tve *tve = con_to_tve(connector); @@ -352,7 +346,6 @@ static int imx_tve_atomic_check(struct drm_encoder *encoder, static const struct drm_connector_funcs imx_tve_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = imx_tve_connector_detect, .destroy = imx_drm_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index d796ada2a47a..8582a83c0d9b 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -49,12 +49,6 @@ static inline struct imx_parallel_display *enc_to_imxpd(struct drm_encoder *e) return container_of(e, struct imx_parallel_display, encoder); } -static enum drm_connector_status imx_pd_connector_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int imx_pd_connector_get_modes(struct drm_connector *connector) { struct imx_parallel_display *imxpd = con_to_imxpd(connector); @@ -143,7 +137,6 @@ static int imx_pd_encoder_atomic_check(struct drm_encoder *encoder, static const struct drm_connector_funcs imx_pd_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = imx_pd_connector_detect, .destroy = imx_drm_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c index 28b2044ed9f2..30027b26a59f 100644 --- a/drivers/gpu/drm/mediatek/mtk_dsi.c +++ b/drivers/gpu/drm/mediatek/mtk_dsi.c @@ -562,12 +562,6 @@ static void mtk_dsi_encoder_enable(struct drm_encoder *encoder) mtk_output_dsi_enable(dsi); } -static enum drm_connector_status mtk_dsi_connector_detect( - struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int mtk_dsi_connector_get_modes(struct drm_connector *connector) { struct mtk_dsi *dsi = connector_to_dsi(connector); @@ -584,7 +578,6 @@ static const struct drm_encoder_helper_funcs mtk_dsi_encoder_helper_funcs = { static const struct drm_connector_funcs mtk_dsi_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, - .detect = mtk_dsi_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, diff --git a/drivers/gpu/drm/mgag200/mgag200_mode.c b/drivers/gpu/drm/mgag200/mgag200_mode.c index 6b21cb27e1cc..3a03ac4045d8 100644 --- a/drivers/gpu/drm/mgag200/mgag200_mode.c +++ b/drivers/gpu/drm/mgag200/mgag200_mode.c @@ -1658,12 +1658,6 @@ static struct drm_encoder *mga_connector_best_encoder(struct drm_connector return NULL; } -static enum drm_connector_status mga_vga_detect(struct drm_connector - *connector, bool force) -{ - return connector_status_connected; -} - static void mga_connector_destroy(struct drm_connector *connector) { struct mga_connector *mga_connector = to_mga_connector(connector); @@ -1680,7 +1674,6 @@ static const struct drm_connector_helper_funcs mga_vga_connector_helper_funcs = static const struct drm_connector_funcs mga_vga_connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = mga_vga_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = mga_connector_destroy, }; diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c index 64e9f0b86e58..3bcfd161c53f 100644 --- a/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c +++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdscon.c @@ -61,16 +61,9 @@ static const struct drm_connector_helper_funcs connector_helper_funcs = { .get_modes = rcar_du_lvds_connector_get_modes, }; -static enum drm_connector_status -rcar_du_lvds_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .reset = drm_atomic_helper_connector_reset, - .detect = rcar_du_lvds_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = drm_connector_cleanup, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c index ca22e5ee89ca..d9aa382bb629 100644 --- a/drivers/gpu/drm/rockchip/dw-mipi-dsi.c +++ b/drivers/gpu/drm/rockchip/dw-mipi-dsi.c @@ -969,12 +969,6 @@ static struct drm_connector_helper_funcs dw_mipi_dsi_connector_helper_funcs = { .mode_valid = dw_mipi_dsi_mode_valid, }; -static enum drm_connector_status -dw_mipi_dsi_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void dw_mipi_dsi_drm_connector_destroy(struct drm_connector *connector) { drm_connector_unregister(connector); @@ -984,7 +978,6 @@ static void dw_mipi_dsi_drm_connector_destroy(struct drm_connector *connector) static struct drm_connector_funcs dw_mipi_dsi_atomic_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = dw_mipi_dsi_detect, .destroy = dw_mipi_dsi_drm_connector_destroy, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c index 6547b1db460a..dddbdd62bed0 100644 --- a/drivers/gpu/drm/shmobile/shmob_drm_crtc.c +++ b/drivers/gpu/drm/shmobile/shmob_drm_crtc.c @@ -669,15 +669,8 @@ static void shmob_drm_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } -static enum drm_connector_status -shmob_drm_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static const struct drm_connector_funcs connector_funcs = { .dpms = drm_helper_connector_dpms, - .detect = shmob_drm_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = shmob_drm_connector_destroy, }; diff --git a/drivers/gpu/drm/sti/sti_hda.c b/drivers/gpu/drm/sti/sti_hda.c index e7c243f70870..96f336dd0e29 100644 --- a/drivers/gpu/drm/sti/sti_hda.c +++ b/drivers/gpu/drm/sti/sti_hda.c @@ -642,12 +642,6 @@ struct drm_connector_helper_funcs sti_hda_connector_helper_funcs = { .mode_valid = sti_hda_connector_mode_valid, }; -static enum drm_connector_status -sti_hda_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static int sti_hda_late_register(struct drm_connector *connector) { struct sti_hda_connector *hda_connector @@ -665,7 +659,6 @@ static int sti_hda_late_register(struct drm_connector *connector) static const struct drm_connector_funcs sti_hda_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, .fill_modes = drm_helper_probe_single_connector_modes, - .detect = sti_hda_connector_detect, .destroy = drm_connector_cleanup, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/drivers/gpu/drm/sun4i/sun4i_rgb.c b/drivers/gpu/drm/sun4i/sun4i_rgb.c index c3ff10f559cc..5380085b3c06 100644 --- a/drivers/gpu/drm/sun4i/sun4i_rgb.c +++ b/drivers/gpu/drm/sun4i/sun4i_rgb.c @@ -110,12 +110,6 @@ static struct drm_connector_helper_funcs sun4i_rgb_con_helper_funcs = { .mode_valid = sun4i_rgb_mode_valid, }; -static enum drm_connector_status -sun4i_rgb_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void sun4i_rgb_connector_destroy(struct drm_connector *connector) { @@ -129,7 +123,6 @@ sun4i_rgb_connector_destroy(struct drm_connector *connector) static struct drm_connector_funcs sun4i_rgb_con_funcs = { .dpms = drm_atomic_helper_connector_dpms, - .detect = sun4i_rgb_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = sun4i_rgb_connector_destroy, .reset = drm_atomic_helper_connector_reset, diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c index d430b331fed5..c6f47222e8fc 100644 --- a/drivers/gpu/drm/sun4i/sun4i_tv.c +++ b/drivers/gpu/drm/sun4i/sun4i_tv.c @@ -537,12 +537,6 @@ static struct drm_connector_helper_funcs sun4i_tv_comp_connector_helper_funcs = .mode_valid = sun4i_tv_comp_mode_valid, }; -static enum drm_connector_status -sun4i_tv_comp_connector_detect(struct drm_connector *connector, bool force) -{ - return connector_status_connected; -} - static void sun4i_tv_comp_connector_destroy(struct drm_connector *connector) { @@ -551,7 +545,6 @@ sun4i_tv_comp_connector_destroy(struct drm_connector *connector) static struct drm_connector_funcs sun4i_tv_comp_connector_funcs = { .dpms = drm_atomic_helper_connector_dpms, - .detect = sun4i_tv_comp_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .destroy = sun4i_tv_comp_connector_destroy, .reset = drm_atomic_helper_connector_reset, diff --git a/drivers/gpu/drm/tilcdc/tilcdc_panel.c b/drivers/gpu/drm/tilcdc/tilcdc_panel.c index 2134bb20fbe9..e634201db821 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_panel.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_panel.c @@ -144,13 +144,6 @@ static void panel_connector_destroy(struct drm_connector *connector) drm_connector_cleanup(connector); } -static enum drm_connector_status panel_connector_detect( - struct drm_connector *connector, - bool force) -{ - return connector_status_connected; -} - static int panel_connector_get_modes(struct drm_connector *connector) { struct drm_device *dev = connector->dev; @@ -197,7 +190,6 @@ static struct drm_encoder *panel_connector_best_encoder( static const struct drm_connector_funcs panel_connector_funcs = { .destroy = panel_connector_destroy, .dpms = drm_atomic_helper_connector_dpms, - .detect = panel_connector_detect, .fill_modes = drm_helper_probe_single_connector_modes, .reset = drm_atomic_helper_connector_reset, .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h index 34f9741ebb5b..1218a0c002c0 100644 --- a/include/drm/drm_connector.h +++ b/include/drm/drm_connector.h @@ -262,6 +262,9 @@ struct drm_connector_funcs { * connector due to a user request. force can be used by the driver to * avoid expensive, destructive operations during automated probing. * + * This callback is optional, if not implemented the connector will be + * considered as always being attached. + * * FIXME: * * Note that this hook is only called by the probe helper. It's not in -- cgit v1.2.3 From 8f34a548718ebb4becb4f829800552c48284ce9e Mon Sep 17 00:00:00 2001 From: zain wang Date: Wed, 7 Dec 2016 08:57:33 +0800 Subject: drm/bridge: analogix: Don't return -EINVAL when panel doesn't support PSR We will ignored PSR setting if panel not support it. So, in this case, we should return from analogix_dp_enable/disable_psr() without any error code. Let's retrun 0 instead of -EINVAL when panel not support PSR in analogix_dp_enable/disable_psr(). Signed-off-by: zain wang Signed-off-by: Archit Taneja Link: http://patchwork.freedesktop.org/patch/msgid/1481072253-8917-1-git-send-email-wzz@rock-chips.com --- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'drivers/gpu/drm/bridge') diff --git a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c index 6e0447f329a2..eb9bf8786c24 100644 --- a/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c +++ b/drivers/gpu/drm/bridge/analogix/analogix_dp_core.c @@ -112,7 +112,7 @@ int analogix_dp_enable_psr(struct device *dev) struct edp_vsc_psr psr_vsc; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); @@ -135,7 +135,7 @@ int analogix_dp_disable_psr(struct device *dev) struct edp_vsc_psr psr_vsc; if (!dp->psr_support) - return -EINVAL; + return 0; /* Prepare VSC packet as per EDP 1.4 spec, Table 6.9 */ memset(&psr_vsc, 0, sizeof(psr_vsc)); -- cgit v1.2.3