diff options
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2')
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/Makefile | 3 | ||||
| -rw-r--r-- | drivers/media/usb/dvb-usb-v2/dvbsky.c | 460 |
3 files changed, 470 insertions, 0 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/Kconfig b/drivers/media/usb/dvb-usb-v2/Kconfig index 66645b02c854..5b34323ad207 100644 --- a/drivers/media/usb/dvb-usb-v2/Kconfig +++ b/drivers/media/usb/dvb-usb-v2/Kconfig @@ -141,3 +141,10 @@ config DVB_USB_RTL28XXU help Say Y here to support the Realtek RTL28xxU DVB USB receiver. +config DVB_USB_DVBSKY + tristate "DVBSky USB support" + depends on DVB_USB_V2 + select DVB_M88DS3103 if MEDIA_SUBDRV_AUTOSELECT + select MEDIA_TUNER_M88TS2022 if MEDIA_SUBDRV_AUTOSELECT + help + Say Y here to support the USB receivers from DVBSky. diff --git a/drivers/media/usb/dvb-usb-v2/Makefile b/drivers/media/usb/dvb-usb-v2/Makefile index bc38f03394cd..f10d4df0eae5 100644 --- a/drivers/media/usb/dvb-usb-v2/Makefile +++ b/drivers/media/usb/dvb-usb-v2/Makefile @@ -37,6 +37,9 @@ obj-$(CONFIG_DVB_USB_MXL111SF) += mxl111sf-tuner.o dvb-usb-rtl28xxu-objs := rtl28xxu.o obj-$(CONFIG_DVB_USB_RTL28XXU) += dvb-usb-rtl28xxu.o +dvb-usb-dvbsky-objs := dvbsky.o +obj-$(CONFIG_DVB_USB_DVBSKY) += dvb-usb-dvbsky.o + ccflags-y += -I$(srctree)/drivers/media/dvb-core ccflags-y += -I$(srctree)/drivers/media/dvb-frontends ccflags-y += -I$(srctree)/drivers/media/tuners diff --git a/drivers/media/usb/dvb-usb-v2/dvbsky.c b/drivers/media/usb/dvb-usb-v2/dvbsky.c new file mode 100644 index 000000000000..34688c89df11 --- /dev/null +++ b/drivers/media/usb/dvb-usb-v2/dvbsky.c @@ -0,0 +1,460 @@ +/* + * Driver for DVBSky USB2.0 receiver + * + * Copyright (C) 2013 Max nibble <nibble.max@gmail.com> + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "dvb_usb.h" +#include "m88ds3103.h" +#include "m88ts2022.h" + +#define DVBSKY_MSG_DELAY 0/*2000*/ +#define DVBSKY_BUF_LEN 64 + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +struct dvbsky_state { + struct mutex stream_mutex; + u8 ibuf[DVBSKY_BUF_LEN]; + u8 obuf[DVBSKY_BUF_LEN]; + u8 last_lock; + struct i2c_client *i2c_client_tuner; + + /* fe hook functions*/ + int (*fe_set_voltage)(struct dvb_frontend *fe, + fe_sec_voltage_t voltage); + int (*fe_read_status)(struct dvb_frontend *fe, + fe_status_t *status); +}; + +static int dvbsky_usb_generic_rw(struct dvb_usb_device *d, + u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) +{ + int ret; + struct dvbsky_state *state = d_to_priv(d); + + mutex_lock(&d->usb_mutex); + if (wlen != 0) + memcpy(state->obuf, wbuf, wlen); + + ret = dvb_usbv2_generic_rw_locked(d, state->obuf, wlen, + state->ibuf, rlen); + + if (!ret && (rlen != 0)) + memcpy(rbuf, state->ibuf, rlen); + + mutex_unlock(&d->usb_mutex); + return ret; +} + +static int dvbsky_stream_ctrl(struct dvb_usb_device *d, u8 onoff) +{ + struct dvbsky_state *state = d_to_priv(d); + int ret; + u8 obuf_pre[3] = { 0x37, 0, 0 }; + u8 obuf_post[3] = { 0x36, 3, 0 }; + + mutex_lock(&state->stream_mutex); + ret = dvbsky_usb_generic_rw(d, obuf_pre, 3, NULL, 0); + if (!ret && onoff) { + msleep(20); + ret = dvbsky_usb_generic_rw(d, obuf_post, 3, NULL, 0); + } + mutex_unlock(&state->stream_mutex); + return ret; +} + +static int dvbsky_streaming_ctrl(struct dvb_frontend *fe, int onoff) +{ + struct dvb_usb_device *d = fe_to_d(fe); + + return dvbsky_stream_ctrl(d, (onoff == 0) ? 0 : 1); +} + +/* GPIO */ +static int dvbsky_gpio_ctrl(struct dvb_usb_device *d, u8 gport, u8 value) +{ + int ret; + u8 obuf[3], ibuf[2]; + + obuf[0] = 0x0e; + obuf[1] = gport; + obuf[2] = value; + ret = dvbsky_usb_generic_rw(d, obuf, 3, ibuf, 1); + if (ret) + dev_err(&d->udev->dev, "%s: %s() failed=%d\n", + KBUILD_MODNAME, __func__, ret); + return ret; +} + +/* I2C */ +static int dvbsky_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], + int num) +{ + struct dvb_usb_device *d = i2c_get_adapdata(adap); + int ret = 0; + u8 ibuf[64], obuf[64]; + + if (mutex_lock_interruptible(&d->i2c_mutex) < 0) + return -EAGAIN; + + if (num > 2) { + dev_err(&d->udev->dev, + "dvbsky_usb: too many i2c messages[%d] than 2.", num); + ret = -EOPNOTSUPP; + goto i2c_error; + } + + if (num == 1) { + if (msg[0].len > 60) { + dev_err(&d->udev->dev, + "dvbsky_usb: too many i2c bytes[%d] than 60.", + msg[0].len); + ret = -EOPNOTSUPP; + goto i2c_error; + } + if (msg[0].flags & I2C_M_RD) { + /* single read */ + obuf[0] = 0x09; + obuf[1] = 0; + obuf[2] = msg[0].len; + obuf[3] = msg[0].addr; + ret = dvbsky_usb_generic_rw(d, obuf, 4, + ibuf, msg[0].len + 1); + if (ret) + dev_err(&d->udev->dev, "%s: %s() failed=%d\n", + KBUILD_MODNAME, __func__, ret); + if (!ret) + memcpy(msg[0].buf, &ibuf[1], msg[0].len); + } else { + /* write */ + obuf[0] = 0x08; + obuf[1] = msg[0].addr; + obuf[2] = msg[0].len; + memcpy(&obuf[3], msg[0].buf, msg[0].len); + ret = dvbsky_usb_generic_rw(d, obuf, + msg[0].len + 3, ibuf, 1); + if (ret) + dev_err(&d->udev->dev, "%s: %s() failed=%d\n", + KBUILD_MODNAME, __func__, ret); + } + } else { + if ((msg[0].len > 60) || (msg[1].len > 60)) { + dev_err(&d->udev->dev, + "dvbsky_usb: too many i2c bytes[w-%d][r-%d] than 60.", + msg[0].len, msg[1].len); + ret = -EOPNOTSUPP; + goto i2c_error; + } + /* write then read */ + obuf[0] = 0x09; + obuf[1] = msg[0].len; + obuf[2] = msg[1].len; + obuf[3] = msg[0].addr; + memcpy(&obuf[4], msg[0].buf, msg[0].len); + ret = dvbsky_usb_generic_rw(d, obuf, + msg[0].len + 4, ibuf, msg[1].len + 1); + if (ret) + dev_err(&d->udev->dev, "%s: %s() failed=%d\n", + KBUILD_MODNAME, __func__, ret); + + if (!ret) + memcpy(msg[1].buf, &ibuf[1], msg[1].len); + } +i2c_error: + mutex_unlock(&d->i2c_mutex); + return (ret) ? ret : num; +} + +static u32 dvbsky_i2c_func(struct i2c_adapter *adapter) +{ + return I2C_FUNC_I2C; +} + +static struct i2c_algorithm dvbsky_i2c_algo = { + .master_xfer = dvbsky_i2c_xfer, + .functionality = dvbsky_i2c_func, +}; + +#if IS_ENABLED(CONFIG_RC_CORE) +static int dvbsky_rc_query(struct dvb_usb_device *d) +{ + u32 code = 0xffff, scancode; + u8 rc5_command, rc5_system; + u8 obuf[2], ibuf[2], toggle; + int ret; + + obuf[0] = 0x10; + ret = dvbsky_usb_generic_rw(d, obuf, 1, ibuf, 2); + if (ret) + dev_err(&d->udev->dev, "%s: %s() failed=%d\n", + KBUILD_MODNAME, __func__, ret); + if (ret == 0) + code = (ibuf[0] << 8) | ibuf[1]; + if (code != 0xffff) { + dev_dbg(&d->udev->dev, "rc code: %x\n", code); + rc5_command = code & 0x3F; + rc5_system = (code & 0x7C0) >> 6; + toggle = (code & 0x800) ? 1 : 0; + scancode = rc5_system << 8 | rc5_command; + rc_keydown(d->rc_dev, RC_TYPE_RC5, scancode, toggle); + } + return 0; +} + +static int dvbsky_get_rc_config(struct dvb_usb_device *d, struct dvb_usb_rc *rc) +{ + rc->allowed_protos = RC_BIT_RC5; + rc->query = dvbsky_rc_query; + rc->interval = 300; + return 0; +} +#else + #define dvbsky_get_rc_config NULL +#endif + +static int dvbsky_usb_set_voltage(struct dvb_frontend *fe, + fe_sec_voltage_t voltage) +{ + struct dvb_usb_device *d = fe_to_d(fe); + struct dvbsky_state *state = d_to_priv(d); + u8 value; + + if (voltage == SEC_VOLTAGE_OFF) + value = 0; + else + value = 1; + dvbsky_gpio_ctrl(d, 0x80, value); + + return state->fe_set_voltage(fe, voltage); +} + +static int dvbsky_read_mac_addr(struct dvb_usb_adapter *adap, u8 mac[6]) +{ + struct dvb_usb_device *d = adap_to_d(adap); + u8 obuf[] = { 0x1e, 0x00 }; + u8 ibuf[6] = { 0 }; + struct i2c_msg msg[] = { + { + .addr = 0x51, + .flags = 0, + .buf = obuf, + .len = 2, + }, { + .addr = 0x51, + .flags = I2C_M_RD, + .buf = ibuf, + .len = 6, + } + }; + + if (i2c_transfer(&d->i2c_adap, msg, 2) == 2) + memcpy(mac, ibuf, 6); + + dev_info(&d->udev->dev, "dvbsky_usb MAC address=%pM\n", mac); + + return 0; +} + +static int dvbsky_usb_read_status(struct dvb_frontend *fe, fe_status_t *status) +{ + struct dvb_usb_device *d = fe_to_d(fe); + struct dvbsky_state *state = d_to_priv(d); + int ret; + + ret = state->fe_read_status(fe, status); + + /* it need resync slave fifo when signal change from unlock to lock.*/ + if ((*status & FE_HAS_LOCK) && (!state->last_lock)) + dvbsky_stream_ctrl(d, 1); + + state->last_lock = (*status & FE_HAS_LOCK) ? 1 : 0; + return ret; +} + +static const struct m88ds3103_config dvbsky_s960_m88ds3103_config = { + .i2c_addr = 0x68, + .clock = 27000000, + .i2c_wr_max = 33, + .clock_out = 0, + .ts_mode = M88DS3103_TS_CI, + .ts_clk = 16000, + .ts_clk_pol = 0, + .agc = 0x99, + .lnb_hv_pol = 1, + .lnb_en_pol = 1, +}; + +static int dvbsky_s960_attach(struct dvb_usb_adapter *adap) +{ + struct dvbsky_state *state = adap_to_priv(adap); + struct dvb_usb_device *d = adap_to_d(adap); + int ret = 0; + /* demod I2C adapter */ + struct i2c_adapter *i2c_adapter; + struct i2c_client *client; + struct i2c_board_info info; + struct m88ts2022_config m88ts2022_config = { + .clock = 27000000, + }; + memset(&info, 0, sizeof(struct i2c_board_info)); + + /* attach demod */ + adap->fe[0] = dvb_attach(m88ds3103_attach, + &dvbsky_s960_m88ds3103_config, + &d->i2c_adap, + &i2c_adapter); + if (!adap->fe[0]) { + dev_err(&d->udev->dev, "dvbsky_s960_attach fail.\n"); + ret = -ENODEV; + goto fail_attach; + } + + /* attach tuner */ + m88ts2022_config.fe = adap->fe[0]; + strlcpy(info.type, "m88ts2022", I2C_NAME_SIZE); + info.addr = 0x60; + info.platform_data = &m88ts2022_config; + request_module("m88ts2022"); + client = i2c_new_device(i2c_adapter, &info); + if (client == NULL || client->dev.driver == NULL) { + dvb_frontend_detach(adap->fe[0]); + ret = -ENODEV; + goto fail_attach; + } + + if (!try_module_get(client->dev.driver->owner)) { + i2c_unregister_device(client); + dvb_frontend_detach(adap->fe[0]); + ret = -ENODEV; + goto fail_attach; + } + + /* delegate signal strength measurement to tuner */ + adap->fe[0]->ops.read_signal_strength = + adap->fe[0]->ops.tuner_ops.get_rf_strength; + + /* hook fe: need to resync the slave fifo when signal locks. */ + state->fe_read_status = adap->fe[0]->ops.read_status; + adap->fe[0]->ops.read_status = dvbsky_usb_read_status; + + /* hook fe: LNB off/on is control by Cypress usb chip. */ + state->fe_set_voltage = adap->fe[0]->ops.set_voltage; + adap->fe[0]->ops.set_voltage = dvbsky_usb_set_voltage; + + state->i2c_client_tuner = client; + +fail_attach: + return ret; +} + +static int dvbsky_identify_state(struct dvb_usb_device *d, const char **name) +{ + dvbsky_gpio_ctrl(d, 0x04, 1); + msleep(20); + dvbsky_gpio_ctrl(d, 0x83, 0); + dvbsky_gpio_ctrl(d, 0xc0, 1); + msleep(100); + dvbsky_gpio_ctrl(d, 0x83, 1); + dvbsky_gpio_ctrl(d, 0xc0, 0); + msleep(50); + + return WARM; +} + +static int dvbsky_init(struct dvb_usb_device *d) +{ + struct dvbsky_state *state = d_to_priv(d); + + /* use default interface */ + /* + ret = usb_set_interface(d->udev, 0, 0); + if (ret) + return ret; + */ + mutex_init(&state->stream_mutex); + + state->last_lock = 0; + + return 0; +} + +static void dvbsky_exit(struct dvb_usb_device *d) +{ + struct dvbsky_state *state = d_to_priv(d); + struct i2c_client *client; + + client = state->i2c_client_tuner; + /* remove I2C tuner */ + if (client) { + module_put(client->dev.driver->owner); + i2c_unregister_device(client); + } +} + +/* DVB USB Driver stuff */ +static struct dvb_usb_device_properties dvbsky_s960_props = { + .driver_name = KBUILD_MODNAME, + .owner = THIS_MODULE, + .adapter_nr = adapter_nr, + .size_of_priv = sizeof(struct dvbsky_state), + + .generic_bulk_ctrl_endpoint = 0x01, + .generic_bulk_ctrl_endpoint_response = 0x81, + .generic_bulk_ctrl_delay = DVBSKY_MSG_DELAY, + + .i2c_algo = &dvbsky_i2c_algo, + .frontend_attach = dvbsky_s960_attach, + .init = dvbsky_init, + .get_rc_config = dvbsky_get_rc_config, + .streaming_ctrl = dvbsky_streaming_ctrl, + .identify_state = dvbsky_identify_state, + .exit = dvbsky_exit, + .read_mac_address = dvbsky_read_mac_addr, + + .num_adapters = 1, + .adapter = { + { + .stream = DVB_USB_STREAM_BULK(0x82, 8, 4096), + } + } +}; + +static const struct usb_device_id dvbsky_id_table[] = { + { DVB_USB_DEVICE(0x0572, 0x6831, + &dvbsky_s960_props, "DVBSky S960/S860", RC_MAP_DVBSKY) }, + { } +}; +MODULE_DEVICE_TABLE(usb, dvbsky_id_table); + +static struct usb_driver dvbsky_usb_driver = { + .name = KBUILD_MODNAME, + .id_table = dvbsky_id_table, + .probe = dvb_usbv2_probe, + .disconnect = dvb_usbv2_disconnect, + .suspend = dvb_usbv2_suspend, + .resume = dvb_usbv2_resume, + .reset_resume = dvb_usbv2_reset_resume, + .no_dynamic_id = 1, + .soft_unbind = 1, +}; + +module_usb_driver(dvbsky_usb_driver); + +MODULE_AUTHOR("Max nibble <nibble.max@gmail.com>"); +MODULE_DESCRIPTION("Driver for DVBSky USB"); +MODULE_LICENSE("GPL"); |