From: Richard Purdie Date: Tue, 13 Sep 2005 08:25:33 +0000 (-0700) Subject: [PATCH] SharpSL: Abstract model specifics from Corgi Backlight driver X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1351e6e093271d0f5056f3ac272864cf4383041a;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [PATCH] SharpSL: Abstract model specifics from Corgi Backlight driver Separate out the Sharp Zaurus c7x0 series specific code from the Corgi backlight driver. Abstract model/machine specific functions to corgi_lcd.c via sharpsl.h This enables the driver to be used by the Zaurus cxx00 series. Signed-Off-by: Richard Purdie Cc: Vojtech Pavlik Cc: Russell King Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index fc428b827671..426c2bc517eb 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -109,10 +109,16 @@ struct corgissp_machinfo corgi_ssp_machinfo = { /* * Corgi Backlight Device */ +static struct corgibl_machinfo corgi_bl_machinfo = { + .max_intensity = 0x2f, + .set_bl_intensity = corgi_bl_set_intensity, +}; + static struct platform_device corgibl_device = { .name = "corgi-bl", .dev = { .parent = &corgifb_device.dev, + .platform_data = &corgi_bl_machinfo, }, .id = -1, }; diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c index bfe5efc11b8a..c5efcd04fcbc 100644 --- a/arch/arm/mach-pxa/corgi_lcd.c +++ b/arch/arm/mach-pxa/corgi_lcd.c @@ -498,3 +498,68 @@ void spitz_wait_hsync(void) sharpsl_wait_sync(SPITZ_GPIO_HSYNC); } #endif + +/* + * Corgi/Spitz Backlight Power + */ +#ifdef CONFIG_PXA_SHARP_C7xx +void corgi_bl_set_intensity(int intensity) +{ + if (intensity > 0x10) + intensity += 0x10; + + /* Bits 0-4 are accessed via the SSP interface */ + corgi_ssp_blduty_set(intensity & 0x1f); + + /* Bit 5 is via SCOOP */ + if (intensity & 0x0020) + set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT); + else + reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT); +} +#endif + + +#if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI) +void spitz_bl_set_intensity(int intensity) +{ + if (intensity > 0x10) + intensity += 0x10; + + /* Bits 0-4 are accessed via the SSP interface */ + corgi_ssp_blduty_set(intensity & 0x1f); + + /* Bit 5 is via SCOOP */ + if (intensity & 0x0020) + reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); + else + set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT); + + if (intensity) + set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); + else + reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON); +} +#endif + +#ifdef CONFIG_MACH_AKITA +void akita_bl_set_intensity(int intensity) +{ + if (intensity > 0x10) + intensity += 0x10; + + /* Bits 0-4 are accessed via the SSP interface */ + corgi_ssp_blduty_set(intensity & 0x1f); + + /* Bit 5 is via IO-Expander */ + if (intensity & 0x0020) + akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); + else + akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT); + + if (intensity) + akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); + else + akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON); +} +#endif diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h index 7007d8a1c5c5..3977a77aacdd 100644 --- a/arch/arm/mach-pxa/sharpsl.h +++ b/arch/arm/mach-pxa/sharpsl.h @@ -14,6 +14,14 @@ struct corgissp_machinfo { void corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo); +/* + * SharpSL Backlight + */ + +void corgi_bl_set_intensity(int intensity); +void spitz_bl_set_intensity(int intensity); +void akita_bl_set_intensity(int intensity); + /* * SharpSL Touchscreen Driver */ diff --git a/drivers/video/backlight/corgi_bl.c b/drivers/video/backlight/corgi_bl.c index 353cb3f73cf2..a32817678552 100644 --- a/drivers/video/backlight/corgi_bl.c +++ b/drivers/video/backlight/corgi_bl.c @@ -43,18 +43,10 @@ static void corgibl_send_intensity(int intensity) intensity &= CORGI_LIMIT_MASK; } - /* Skip 0x20 as it will blank the display */ - if (intensity >= 0x20) - intensity++; - spin_lock_irqsave(&bl_lock, flags); - /* Bits 0-4 are accessed via the SSP interface */ - corgi_ssp_blduty_set(intensity & 0x1f); - /* Bit 5 is via SCOOP */ - if (intensity & 0x0020) - set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT); - else - reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT); + + corgibl_mach_set_intensity(intensity); + spin_unlock_irqrestore(&bl_lock, flags); } @@ -113,8 +105,8 @@ static int corgibl_get_power(struct backlight_device *bd) static int corgibl_set_intensity(struct backlight_device *bd, int intensity) { - if (intensity > CORGI_MAX_INTENSITY) - intensity = CORGI_MAX_INTENSITY; + if (intensity > corgibl_data.max_brightness) + intensity = corgibl_data.max_brightness; corgibl_send_intensity(intensity); current_intensity=intensity; return 0; @@ -141,7 +133,6 @@ static struct backlight_properties corgibl_data = { .owner = THIS_MODULE, .get_power = corgibl_get_power, .set_power = corgibl_set_power, - .max_brightness = CORGI_MAX_INTENSITY, .get_brightness = corgibl_get_intensity, .set_brightness = corgibl_set_intensity, }; @@ -150,12 +141,18 @@ static struct backlight_device *corgi_backlight_device; static int __init corgibl_probe(struct device *dev) { + struct corgibl_machinfo *machinfo = dev->platform_data; + + corgibl_data.max_brightness = machinfo->max_intensity; + corgibl_mach_set_intensity = machinfo->set_bl_intensity; + corgi_backlight_device = backlight_device_register ("corgi-bl", NULL, &corgibl_data); if (IS_ERR (corgi_backlight_device)) return PTR_ERR (corgi_backlight_device); corgibl_set_intensity(NULL, CORGI_DEFAULT_INTENSITY); + corgibl_limit_intensity(0); printk("Corgi Backlight Driver Initialized.\n"); return 0; diff --git a/include/asm-arm/arch-pxa/sharpsl.h b/include/asm-arm/arch-pxa/sharpsl.h index 1e1d11033940..311f2bb5386a 100644 --- a/include/asm-arm/arch-pxa/sharpsl.h +++ b/include/asm-arm/arch-pxa/sharpsl.h @@ -20,3 +20,13 @@ struct corgits_machinfo { void (*put_hsync)(void); void (*wait_hsync)(void); }; + +/* + * SharpSL Backlight + */ + +struct corgibl_machinfo { + int max_intensity; + void (*set_bl_intensity)(int intensity); +}; +