diff options
| author |   Richard Purdie <rpurdie@rpsys.net> | 2005-09-13 01:25:33 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-13 08:22:31 -0700 |
| commit | 1351e6e093271d0f5056f3ac272864cf4383041a (patch) | |
| tree | bf96bf863b242529b56b7941c650b1cf0164c3be /arch/arm | |
| parent | [PATCH] SharpSL: Abstract c7x0 specifics from Corgi Touchscreen driver (diff) | |
| download | linux-dev-1351e6e093271d0f5056f3ac272864cf4383041a.tar.xz linux-dev-1351e6e093271d0f5056f3ac272864cf4383041a.zip | |
[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 <rpurdie@rpsys.net>
Cc: Vojtech Pavlik <vojtech@suse.cz>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/mach-pxa/corgi.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/corgi_lcd.c | 65 | ||||
| -rw-r--r-- | arch/arm/mach-pxa/sharpsl.h | 8 |
3 files changed, 79 insertions, 0 deletions
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 @@ -15,6 +15,14 @@ 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 */ |