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author | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-03-26 00:55:54 +0200 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2012-03-26 00:55:54 +0200 |
commit | 18bbff9f679cd470db66402fdb9c577b34324183 (patch) | |
tree | f8e90adadfde630368034268de8cc5763898ab37 /arch/arm/mach-sa1100/assabet.c | |
parent | Merge branch 'sa11x0-mtd' into sa11x0 (diff) | |
parent | FB: sa11x0: convert to use platform resource and ioremap() (diff) | |
download | linux-18bbff9f679cd470db66402fdb9c577b34324183.tar.xz linux-18bbff9f679cd470db66402fdb9c577b34324183.zip |
Merge branch 'sa11x0-lcd' into sa11x0
Conflicts:
arch/arm/mach-sa1100/assabet.c
Diffstat (limited to 'arch/arm/mach-sa1100/assabet.c')
-rw-r--r-- | arch/arm/mach-sa1100/assabet.c | 130 |
1 files changed, 100 insertions, 30 deletions
diff --git a/arch/arm/mach-sa1100/assabet.c b/arch/arm/mach-sa1100/assabet.c index e2d411a8d4ce..c3f5064df4bf 100644 --- a/arch/arm/mach-sa1100/assabet.c +++ b/arch/arm/mach-sa1100/assabet.c @@ -20,6 +20,8 @@ #include <linux/delay.h> #include <linux/mm.h> +#include <video/sa1100fb.h> + #include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/irq.h> @@ -69,33 +71,6 @@ void ASSABET_BCR_frob(unsigned int mask, unsigned int val) EXPORT_SYMBOL(ASSABET_BCR_frob); -static void assabet_backlight_power(int on) -{ -#ifndef ASSABET_PAL_VIDEO - if (on) - ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON); - else -#endif - ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); -} - -/* - * Turn on/off the backlight. When turning the backlight on, - * we wait 500us after turning it on so we don't cause the - * supplies to droop when we enable the LCD controller (and - * cause a hard reset.) - */ -static void assabet_lcd_power(int on) -{ -#ifndef ASSABET_PAL_VIDEO - if (on) { - ASSABET_BCR_set(ASSABET_BCR_LCD_ON); - udelay(500); - } else -#endif - ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); -} - /* * Assabet flash support code. @@ -197,6 +172,99 @@ static struct mcp_plat_data assabet_mcp_data = { .sclk_rate = 11981000, }; +static void assabet_lcd_set_visual(u32 visual) +{ + u_int is_true_color = visual == FB_VISUAL_TRUECOLOR; + + if (machine_is_assabet()) { +#if 1 // phase 4 or newer Assabet's + if (is_true_color) + ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); + else + ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); +#else + // older Assabet's + if (is_true_color) + ASSABET_BCR_clear(ASSABET_BCR_LCD_12RGB); + else + ASSABET_BCR_set(ASSABET_BCR_LCD_12RGB); +#endif + } +} + +#ifndef ASSABET_PAL_VIDEO +static void assabet_lcd_backlight_power(int on) +{ + if (on) + ASSABET_BCR_set(ASSABET_BCR_LIGHT_ON); + else + ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); +} + +/* + * Turn on/off the backlight. When turning the backlight on, we wait + * 500us after turning it on so we don't cause the supplies to droop + * when we enable the LCD controller (and cause a hard reset.) + */ +static void assabet_lcd_power(int on) +{ + if (on) { + ASSABET_BCR_set(ASSABET_BCR_LCD_ON); + udelay(500); + } else + ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); +} + +/* + * The assabet uses a sharp LQ039Q2DS54 LCD module. It is actually + * takes an RGB666 signal, but we provide it with an RGB565 signal + * instead (def_rgb_16). + */ +static struct sa1100fb_mach_info lq039q2ds54_info = { + .pixclock = 171521, .bpp = 16, + .xres = 320, .yres = 240, + + .hsync_len = 5, .vsync_len = 1, + .left_margin = 61, .upper_margin = 3, + .right_margin = 9, .lower_margin = 0, + + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(2), + + .backlight_power = assabet_lcd_backlight_power, + .lcd_power = assabet_lcd_power, + .set_visual = assabet_lcd_set_visual, +}; +#else +static void assabet_pal_backlight_power(int on) +{ + ASSABET_BCR_clear(ASSABET_BCR_LIGHT_ON); +} + +static void assabet_pal_power(int on) +{ + ASSABET_BCR_clear(ASSABET_BCR_LCD_ON); +} + +static struct sa1100fb_mach_info pal_info = { + .pixclock = 67797, .bpp = 16, + .xres = 640, .yres = 512, + + .hsync_len = 64, .vsync_len = 6, + .left_margin = 125, .upper_margin = 70, + .right_margin = 115, .lower_margin = 36, + + .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act, + .lccr3 = LCCR3_OutEnH | LCCR3_PixRsEdg | LCCR3_ACBsDiv(512), + + .backlight_power = assabet_pal_backlight_power, + .lcd_power = assabet_pal_power, + .set_visual = assabet_lcd_set_visual, +}; +#endif + #ifdef CONFIG_ASSABET_NEPONSET static struct resource neponset_resources[] = { DEFINE_RES_MEM(0x10000000, 0x08000000), @@ -241,9 +309,6 @@ static void __init assabet_init(void) PPDR |= PPC_TXD3 | PPC_TXD1; PPSR |= PPC_TXD3 | PPC_TXD1; - sa1100fb_lcd_power = assabet_lcd_power; - sa1100fb_backlight_power = assabet_backlight_power; - if (machine_has_neponset()) { /* * Angel sets this, but other bootloaders may not. @@ -262,6 +327,11 @@ static void __init assabet_init(void) #endif } +#ifndef ASSABET_PAL_VIDEO + sa11x0_register_lcd(&lq039q2ds54_info); +#else + sa11x0_register_lcd(&pal_video); +#endif sa11x0_register_mtd(&assabet_flash_data, assabet_flash_resources, ARRAY_SIZE(assabet_flash_resources)); sa11x0_register_irda(&assabet_irda_data); |