diff options
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/olpc_dcon/Kconfig | 20 | ||||
| -rw-r--r-- | drivers/staging/olpc_dcon/Makefile | 7 | ||||
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon.c | 34 | ||||
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon.h | 22 | ||||
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon_xo_1.c | 2 | ||||
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c | 18 |
6 files changed, 81 insertions, 22 deletions
diff --git a/drivers/staging/olpc_dcon/Kconfig b/drivers/staging/olpc_dcon/Kconfig index 8be87166b54b..982273cf354f 100644 --- a/drivers/staging/olpc_dcon/Kconfig +++ b/drivers/staging/olpc_dcon/Kconfig @@ -6,3 +6,23 @@ config FB_OLPC_DCON Add support for the OLPC XO DCON controller. This controller is only available on OLPC platforms. Unless you have one of these platforms, you will want to say 'N'. + +config FB_OLPC_DCON_1 + bool "OLPC XO-1 DCON support" + depends on FB_OLPC_DCON + default y + ---help--- + Enable support for the DCON in XO-1 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1 (or if you're unsure what model you have), you should + say 'Y'. + +config FB_OLPC_DCON_1_5 + bool "OLPC XO-1.5 DCON support" + depends on FB_OLPC_DCON + default y + ---help--- + Enable support for the DCON in XO-1.5 model laptops. The kernel + communicates with the DCON using model-specific code. If you + have an XO-1.5 (or if you're unsure what model you have), you + should say 'Y'. diff --git a/drivers/staging/olpc_dcon/Makefile b/drivers/staging/olpc_dcon/Makefile index cd8f2898947d..36c7e67fec20 100644 --- a/drivers/staging/olpc_dcon/Makefile +++ b/drivers/staging/olpc_dcon/Makefile @@ -1 +1,6 @@ -obj-$(CONFIG_FB_OLPC_DCON) += olpc_dcon.o +olpc-dcon-objs += olpc_dcon.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1) += olpc_dcon_xo_1.o +olpc-dcon-$(CONFIG_FB_OLPC_DCON_1_5) += olpc_dcon_xo_1_5.o +obj-$(CONFIG_FB_OLPC_DCON) += olpc-dcon.o + + diff --git a/drivers/staging/olpc_dcon/olpc_dcon.c b/drivers/staging/olpc_dcon/olpc_dcon.c index 52b7b306a575..96b6fd26791b 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.c +++ b/drivers/staging/olpc_dcon/olpc_dcon.c @@ -4,7 +4,7 @@ * Copyright © 2006-2007 Red Hat, Inc. * Copyright © 2006-2007 Advanced Micro Devices, Inc. * Copyright © 2009 VIA Technology, Inc. - * Copyright (c) 2010 Andres Salomon <dilinger@queued.net> + * Copyright (c) 2010-2011 Andres Salomon <dilinger@queued.net> * * This program is free software. You can redistribute it and/or * modify it under the terms of version 2 of the GNU General Public @@ -44,13 +44,6 @@ module_param(noinit, int, 0444); static int useaa = 1; module_param(useaa, int, 0444); -struct dcon_platform_data { - int (*init)(void); - void (*bus_stabilize_wiggle)(void); - void (*set_dconload)(int); - u8 (*read_status)(void); -}; - static struct dcon_platform_data *pdata; struct dcon_priv { @@ -73,8 +66,6 @@ struct dcon_priv { /* I2C structures */ -static struct i2c_driver dcon_driver; - /* Platform devices */ static struct platform_device *dcon_device; @@ -82,10 +73,10 @@ static struct platform_device *dcon_device; static struct backlight_device *dcon_bl_dev; /* Current source, initialized at probe time */ -static int dcon_source; +int dcon_source; /* Desired source */ -static int dcon_pending; +int dcon_pending; /* Variables used during switches */ static int dcon_switched; @@ -693,6 +684,9 @@ static int dcon_probe(struct i2c_client *client, const struct i2c_device_id *id) struct dcon_priv *dcon; int rc, i, j; + if (!pdata) + return -ENXIO; + dcon = kzalloc(sizeof(*dcon), GFP_KERNEL); if (!dcon) return -ENOMEM; @@ -830,7 +824,7 @@ static int dcon_resume(struct i2c_client *client) #endif -static irqreturn_t dcon_interrupt(int irq, void *id) +irqreturn_t dcon_interrupt(int irq, void *id) { int status = pdata->read_status(); @@ -877,7 +871,7 @@ static const struct i2c_device_id dcon_idtable[] = { MODULE_DEVICE_TABLE(i2c, dcon_idtable); -static struct i2c_driver dcon_driver = { +struct i2c_driver dcon_driver = { .driver = { .name = "olpc_dcon", }, @@ -893,11 +887,17 @@ static struct i2c_driver dcon_driver = { #endif }; -#include "olpc_dcon_xo_1.c" - static int __init olpc_dcon_init(void) { - pdata = &dcon_pdata_xo_1; +#ifdef CONFIG_FB_OLPC_DCON_1_5 + /* XO-1.5 */ + if (olpc_board_at_least(olpc_board(0xd0))) + pdata = &dcon_pdata_xo_1_5; +#endif +#ifdef CONFIG_FB_OLPC_DCON_1 + if (!pdata) + pdata = &dcon_pdata_xo_1; +#endif return i2c_add_driver(&dcon_driver); } diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h index cef2473bccf3..03ac42c5e3ca 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.h +++ b/drivers/staging/olpc_dcon/olpc_dcon.h @@ -44,4 +44,26 @@ /* Interrupt */ #define DCON_IRQ 6 +struct dcon_platform_data { + int (*init)(void); + void (*bus_stabilize_wiggle)(void); + void (*set_dconload)(int); + u8 (*read_status)(void); +}; + +#include <linux/interrupt.h> + +extern int dcon_source; +extern int dcon_pending; +extern irqreturn_t dcon_interrupt(int irq, void *id); +extern struct i2c_driver dcon_driver; + +#ifdef CONFIG_FB_OLPC_DCON_1 +extern struct dcon_platform_data dcon_pdata_xo_1; +#endif + +#ifdef CONFIG_FB_OLPC_DCON_1_5 +extern struct dcon_platform_data dcon_pdata_xo_1_5; +#endif + #endif diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c index 043198dc6ff7..be52b6c9c50e 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c @@ -195,7 +195,7 @@ static u8 dcon_read_status_xo_1(void) return status; } -static struct dcon_platform_data dcon_pdata_xo_1 = { +struct dcon_platform_data dcon_pdata_xo_1 = { .init = dcon_init_xo_1, .bus_stabilize_wiggle = dcon_wiggle_xo_1, .set_dconload = dcon_set_dconload_1, diff --git a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c index 5ef05406a8b8..d4c2d7482c32 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c +++ b/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c @@ -7,6 +7,20 @@ */ #include <linux/acpi.h> +#include <linux/pci.h> +#include <linux/gpio.h> +#include <asm/olpc.h> + +/* TODO: this eventually belongs in linux/vx855.h */ +#define NR_VX855_GPI 14 +#define NR_VX855_GPO 13 +#define NR_VX855_GPIO 15 + +#define VX855_GPI(n) (n) +#define VX855_GPO(n) (NR_VX855_GPI + (n)) +#define VX855_GPIO(n) (NR_VX855_GPI + NR_VX855_GPO + (n)) + +#include "olpc_dcon.h" /* Hardware setup on the XO 1.5: * DCONLOAD connects to @@ -26,8 +40,6 @@ #define PREFIX "OLPC DCON:" -static struct dcon_platform_data dcon_pdata_xo_1_5; - static void dcon_clear_irq(void) { /* irq status will appear in PMIO_Rx50[6] (RW1C) on gpio12 */ @@ -173,7 +185,7 @@ static u8 dcon_read_status_xo_1_5(void) return status; } -static struct dcon_platform_data dcon_pdata_xo_1_5 = { +struct dcon_platform_data dcon_pdata_xo_1_5 = { .init = dcon_init_xo_1_5, .bus_stabilize_wiggle = dcon_wiggle_xo_1_5, .set_dconload = dcon_set_dconload_xo_1_5, |