Index: linux-2.6.13/arch/arm/mach-pxa/tosa.c =================================================================== --- linux-2.6.13.orig/arch/arm/mach-pxa/tosa.c 2005-09-16 12:25:04.000000000 +0100 +++ linux-2.6.13/arch/arm/mach-pxa/tosa.c 2005-09-16 12:27:00.000000000 +0100 @@ -43,6 +43,7 @@ #include "generic.h" +static struct platform_device tosanssp_device; /* * SCOOP Device @@ -160,7 +161,7 @@ .name = "tc6393", .id = -1, .dev = { - .parent = &tosascoop_jc_device.dev, + .parent = &tosanssp_device.dev, }, .num_resources = ARRAY_SIZE(tc6393_resources), .resource = tc6393_resources, @@ -189,13 +190,17 @@ .name = "tosa-lcd", .id = -1, .dev = { - .parent = &tosanssp_device.dev, + .parent = &tc6393_device.dev, }, }; static struct platform_device tosanssp_device = { .name = "tosa-nssp", .id = -1, + .dev = { + .parent = &tosascoop_jc_device.dev, + }, + }; /* Index: linux-2.6.13/drivers/video/backlight/Kconfig =================================================================== --- linux-2.6.13.orig/drivers/video/backlight/Kconfig 2005-09-16 12:24:59.000000000 +0100 +++ linux-2.6.13/drivers/video/backlight/Kconfig 2005-09-16 12:27:00.000000000 +0100 @@ -57,3 +57,10 @@ help If you have an iPAQ hx2750, say y to enable the backlight driver. +config BACKLIGHT_TOSA + tristate "Sharp Tosa Backlight Driver (SL-6000x Series)" + depends on BACKLIGHT_DEVICE && MACH_TOSA + default y + help + If you have a Sharp Zaurus SL-6000x, say y to enable the + backlight driver. Index: linux-2.6.13/drivers/video/backlight/Makefile =================================================================== --- linux-2.6.13.orig/drivers/video/backlight/Makefile 2005-09-16 12:24:59.000000000 +0100 +++ linux-2.6.13/drivers/video/backlight/Makefile 2005-09-16 12:28:36.000000000 +0100 @@ -1,5 +1,6 @@ # Backlight & LCD drivers +obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o obj-$(CONFIG_LCD_CLASS_DEVICE) += lcd.o obj-$(CONFIG_BACKLIGHT_CLASS_DEVICE) += backlight.o obj-$(CONFIG_BACKLIGHT_CORGI) += corgi_bl.o Index: linux-2.6.13/drivers/video/backlight/tosa_bl.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ linux-2.6.13/drivers/video/backlight/tosa_bl.c 2005-09-16 12:27:00.000000000 +0100 @@ -0,0 +1,211 @@ +/* + * Backlight Driver for Sharp Toas + * + * Copyright (c) 2005 Dirk Opfer + * + * Based on Sharp's 2.4 Backlight Driver + * Based on corgi_bl.c + * + * 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 + +//extern void tosapwr_kick_battery(void); + +#define TOSA_MAX_INTENSITY 255 +#define TOSA_DEFAULT_INTENSITY 68 +#define TOSA_LIMIT_MASK 0x0b + +static int tosabl_powermode = FB_BLANK_UNBLANK; +static int current_intensity = 0; +static int tosabl_limit = 0; +static spinlock_t bl_lock = SPIN_LOCK_UNLOCKED; + +/* + * Backlight control functions. + */ +extern int tosa_set_backlight(int intensity); +#if 0 +void bl_enable(int sw); +int set_bl_bright(unsigned char dat); +void SetBacklightVR(int value); + + +#define SetBacklightDuty(a) set_bl_bright(a); +#endif +static void tosabl_send_intensity(int intensity) +{ + unsigned long flags; + void (*tosa_kick_batt)(void); + + if (tosabl_powermode != FB_BLANK_UNBLANK) { + intensity = 0; + } else { + if (tosabl_limit) + intensity &= TOSA_LIMIT_MASK; + } + + tosa_set_backlight(intensity); + +#if 0 + tosa_kick_batt = symbol_get(tosapwr_kick_battery); + if (tosa_kick_batt) { + tosa_kick_batt(); + symbol_put(tosapwr_kick_battery); + } +#endif + +} + +static void tosabl_blank(int blank) +{ + switch(blank) { + + case FB_BLANK_NORMAL: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_POWERDOWN: + if (tosabl_powermode == FB_BLANK_UNBLANK) { + tosabl_send_intensity(0); + tosabl_powermode = blank; + } + break; + case FB_BLANK_UNBLANK: + if (tosabl_powermode != FB_BLANK_UNBLANK) { + tosabl_powermode = blank; + tosabl_send_intensity(current_intensity); + } + break; + } +} + +#ifdef CONFIG_PM +static int tosabl_suspend(struct device *dev, u32 state, u32 level) +{ + if (level == SUSPEND_POWER_DOWN) + tosabl_blank(FB_BLANK_POWERDOWN); + return 0; +} + +static int tosabl_resume(struct device *dev, u32 level) +{ + if (level == RESUME_POWER_ON) + tosabl_blank(FB_BLANK_UNBLANK); + return 0; +} +#else +#define tosabl_suspend NULL +#define tosabl_resume NULL +#endif + + +static int tosabl_set_power(struct backlight_device *bd, int state) +{ + tosabl_blank(state); + return 0; +} + +static int tosabl_get_power(struct backlight_device *bd) +{ + return tosabl_powermode; +} + +static int tosabl_set_intensity(struct backlight_device *bd, int intensity) +{ + if (intensity > TOSA_MAX_INTENSITY) + intensity = TOSA_MAX_INTENSITY; + tosabl_send_intensity(intensity); + current_intensity=intensity; + return 0; +} + +static int tosabl_get_intensity(struct backlight_device *bd) +{ + return current_intensity; +} + +/* + * Called when the battery is low to limit the backlight intensity. + * If limit==0 clear any limit, otherwise limit the intensity + */ +void tosabl_limit_intensity(int limit) +{ + tosabl_limit = (limit ? 1 : 0); + tosabl_send_intensity(current_intensity); +} +EXPORT_SYMBOL(tosabl_limit_intensity); + + +static struct backlight_properties tosabl_data = { + .owner = THIS_MODULE, + .get_power = tosabl_get_power, + .set_power = tosabl_set_power, + .max_brightness = TOSA_MAX_INTENSITY, + .get_brightness = tosabl_get_intensity, + .set_brightness = tosabl_set_intensity, +}; + +static struct backlight_device *tosa_backlight_device; + +static int __init tosabl_probe(struct device *dev) +{ + + tosa_backlight_device = backlight_device_register ("tosa-bl", + NULL, &tosabl_data); + if (IS_ERR (tosa_backlight_device)) + return PTR_ERR (tosa_backlight_device); + + tosabl_set_intensity(NULL, TOSA_DEFAULT_INTENSITY); + + printk("TOSA Backlight Driver Initialized.\n"); + return 0; +} + +static int tosabl_remove(struct device *dev) +{ + backlight_device_unregister(tosa_backlight_device); + + tosabl_set_intensity(NULL, 0); + + printk("TOSA Backlight Driver Unloaded\n"); + return 0; +} + +static struct device_driver tosabl_driver = { + .name = "tosa-bl", + .bus = &platform_bus_type, + .probe = tosabl_probe, + .remove = tosabl_remove, + .suspend = tosabl_suspend, + .resume = tosabl_resume, +}; + +static int __init tosabl_init(void) +{ + return driver_register(&tosabl_driver); +} + +static void __exit tosabl_exit(void) +{ + driver_unregister(&tosabl_driver); +} + +device_initcall(tosabl_init); +module_exit(tosabl_exit); + +MODULE_AUTHOR("Dirk Opfer"); +MODULE_DESCRIPTION("TOSA Backlight Driver"); +MODULE_LICENSE("GPLv2");