* [PATCH 07/22] s3c2410fb: multi-display support
@ 2007-08-13 12:31 Antonino A. Daplas
0 siblings, 0 replies; only message in thread
From: Antonino A. Daplas @ 2007-08-13 12:31 UTC (permalink / raw)
To: Andrew Morton
Cc: Linux Fbdev development list, Ben Dooks, Arnaud Patard (Rtp)
From: Krzysztof Helt <krzysztof.h1@wp.pl>
This patch adds a new structure to describe and handle
more than one panel (display mode) for the s3c2410 framebuffer.
This structure is added after the pxafb driver.
Signed-off-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
---
arch/arm/mach-s3c2410/mach-amlm5900.c | 49 +++---
arch/arm/mach-s3c2410/mach-bast.c | 177 ++++++++++++++++++++---
arch/arm/mach-s3c2410/mach-h1940.c | 26 ++-
arch/arm/mach-s3c2410/mach-qt2410.c | 252 ++++++++++++++-------------------
arch/arm/mach-s3c2440/mach-rx3715.c | 38 ++---
arch/arm/mach-s3c2440/mach-smdk2440.c | 41 ++---
drivers/video/s3c2410fb.c | 83 ++++++-----
drivers/video/s3c2410fb.h | 2
include/asm-arm/arch-s3c2410/fb.h | 33 ++--
9 files changed, 396 insertions(+), 305 deletions(-)
diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 43bb5e1..1946934 100644
--- a/arch/arm/mach-s3c2410/mach-amlm5900.c
+++ b/arch/arm/mach-s3c2410/mach-amlm5900.c
@@ -168,13 +168,32 @@ static void __init amlm5900_map_io(void)
}
#ifdef CONFIG_FB_S3C2410
-static struct s3c2410fb_mach_info __initdata amlm5900_lcd_info = {
+static struct s3c2410fb_display __initdata amlm5900_lcd_info = {
.width = 160,
.height = 160,
/* commented out until stn patch is submitted
* .type = S3C2410_LCDCON1_STN4,
*/
+ .xres = 160,
+ .yres = 160,
+ .bpp = 4,
+
+ .regs = {
+ .lcdcon1 = 0x00008225,
+ .lcdcon2 = 0x0027c000,
+ .lcdcon3 = 0x00182708,
+ .lcdcon4 = 0x00000002,
+ .lcdcon5 = 0x00000001,
+ }
+};
+
+static struct s3c2410fb_mach_info __initdata amlm5900_fb_info = {
+
+ .displays = &amlm5900_lcd_info,
+ .num_displays = 1,
+ .default_display = 0,
+
.gpccon = 0xaaaaaaaa,
.gpccon_mask = 0xffffffff,
.gpcup = 0x0000ffff,
@@ -184,32 +203,6 @@ static struct s3c2410fb_mach_info __init
.gpdcon_mask = 0xffffffff,
.gpdup = 0x0000ffff,
.gpdup_mask = 0xffffffff,
-
- .xres = {
- .min = 160,
- .max = 160,
- .defval = 160,
- },
-
- .yres = {
- .min = 160,
- .max = 160,
- .defval = 160,
- },
-
- .bpp = {
- .min = 4,
- .max = 4,
- .defval = 4,
- },
-
- .regs = {
- .lcdcon1 = 0x00008225,
- .lcdcon2 = 0x0027c000,
- .lcdcon3 = 0x00182708,
- .lcdcon4 = 0x00000002,
- .lcdcon5 = 0x00000001,
- }
};
#endif
@@ -239,7 +232,7 @@ static void __init amlm5900_init(void)
{
amlm5900_init_pm();
#ifdef CONFIG_FB_S3C2410
- s3c24xx_fb_set_platdata(&amlm5900_lcd_info);
+ s3c24xx_fb_set_platdata(&amlm5900_fb_info);
#endif
platform_add_devices(amlm5900_devices, ARRAY_SIZE(amlm5900_devices));
}
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index bc92699..be50201 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -467,35 +467,160 @@ static struct platform_device bast_devic
/* LCD/VGA controller */
-static struct s3c2410fb_mach_info __initdata bast_lcd_info = {
- .width = 640,
- .height = 480,
-
- .xres = {
- .min = 320,
- .max = 1024,
- .defval = 640,
+static struct s3c2410fb_display __initdata bast_lcd_info[] = {
+ {
+ .width = 640,
+ .height = 480,
+ .xres = 320,
+ .yres = 240,
+
+ .bpp = 4,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
},
-
- .yres = {
- .min = 240,
- .max = 600,
- .defval = 480,
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 640,
+ .yres = 480,
+ .bpp = 4,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
},
-
- .bpp = {
- .min = 4,
- .max = 16,
- .defval = 8,
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 800,
+ .yres = 600,
+ .bpp = 4,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 320,
+ .yres = 240,
+ .bpp = 8,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 640,
+ .yres = 480,
+ .bpp = 8,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 800,
+ .yres = 600,
+ .bpp = 8,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 320,
+ .yres = 240,
+ .bpp = 16,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
},
+ {
+ .width = 640,
+ .height = 480,
+
+ .xres = 800,
+ .yres = 600,
+ .bpp = 16,
+
+ .regs = {
+ .lcdcon1 = 0x00000176,
+ .lcdcon2 = 0x1d77c7c2,
+ .lcdcon3 = 0x013a7f13,
+ .lcdcon4 = 0x00000057,
+ .lcdcon5 = 0x00014b02,
+ }
+ },
+};
- .regs = {
- .lcdcon1 = 0x00000176,
- .lcdcon2 = 0x1d77c7c2,
- .lcdcon3 = 0x013a7f13,
- .lcdcon4 = 0x00000057,
- .lcdcon5 = 0x00014b02,
- }
+/* LCD/VGA controller */
+
+static struct s3c2410fb_mach_info __initdata bast_fb_info = {
+
+ .displays = bast_lcd_info,
+ .num_displays = ARRAY_SIZE(bast_lcd_info),
+ .default_display = 4,
};
/* Standard BAST devices */
@@ -552,7 +677,7 @@ static void __init bast_map_io(void)
static void __init bast_init(void)
{
- s3c24xx_fb_set_platdata(&bast_lcd_info);
+ s3c24xx_fb_set_platdata(&bast_fb_info);
platform_add_devices(bast_devices, ARRAY_SIZE(bast_devices));
}
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 9a172b4..ab04b29 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -133,8 +133,7 @@ static struct s3c2410_udc_mach_info h194
/**
* Set lcd on or off
**/
-static struct s3c2410fb_mach_info h1940_lcdcfg __initdata = {
- .fixed_syncs= 1,
+static struct s3c2410fb_display h1940_lcd __initdata = {
.regs={
.lcdcon1= S3C2410_LCDCON1_TFT16BPP | \
S3C2410_LCDCON1_TFT | \
@@ -156,6 +155,21 @@ static struct s3c2410fb_mach_info h1940_
S3C2410_LCDCON5_INVVLINE | \
S3C2410_LCDCON5_HWSWP,
},
+
+ .width = 240,
+ .height = 320,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+};
+
+static struct s3c2410fb_mach_info h1940_fb_info __initdata = {
+ .fixed_syncs = 1,
+
+ .displays = &h1940_lcd,
+ .num_displays = 1,
+ .default_display = 0,
+
.lpcsel= 0x02,
.gpccon= 0xaa940659,
.gpccon_mask= 0xffffffff,
@@ -165,12 +179,6 @@ static struct s3c2410fb_mach_info h1940_
.gpdcon_mask= 0xffffffff,
.gpdup= 0x0000faff,
.gpdup_mask= 0xffffffff,
-
- .width= 240,
- .height= 320,
- .xres= {240,240,240},
- .yres= {320,320,320},
- .bpp= {16,16,16},
};
static struct platform_device s3c_device_leds = {
@@ -217,7 +225,7 @@ static void __init h1940_init(void)
{
u32 tmp;
- s3c24xx_fb_set_platdata(&h1940_lcdcfg);
+ s3c24xx_fb_set_platdata(&h1940_fb_info);
s3c24xx_udc_set_platdata(&h1940_udc_cfg);
/* Turn off suspend on both USB ports, and switch the
diff --git a/arch/arm/mach-s3c2410/mach-qt2410.c b/arch/arm/mach-s3c2410/mach-qt2410.c
index e670b1e..03ea5d7 100644
--- a/arch/arm/mach-s3c2410/mach-qt2410.c
+++ b/arch/arm/mach-s3c2410/mach-qt2410.c
@@ -95,157 +95,116 @@ static struct s3c2410_uartcfg smdk2410_u
/* LCD driver info */
-/* Configuration for 640x480 SHARP LQ080V3DG01 */
-static struct s3c2410fb_mach_info qt2410_biglcd_cfg __initdata = {
- .regs = {
-
- .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
- S3C2410_LCDCON1_TFT |
- S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
-
- .lcdcon2 = S3C2410_LCDCON2_VBPD(18) | /* 19 */
- S3C2410_LCDCON2_LINEVAL(479) |
- S3C2410_LCDCON2_VFPD(10) | /* 11 */
- S3C2410_LCDCON2_VSPW(14), /* 15 */
-
- .lcdcon3 = S3C2410_LCDCON3_HBPD(43) | /* 44 */
- S3C2410_LCDCON3_HOZVAL(639) | /* 640 */
- S3C2410_LCDCON3_HFPD(115), /* 116 */
-
- .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
- S3C2410_LCDCON4_HSPW(95), /* 96 */
-
- .lcdcon5 = S3C2410_LCDCON5_FRM565 |
- S3C2410_LCDCON5_INVVLINE |
- S3C2410_LCDCON5_INVVFRAME |
- S3C2410_LCDCON5_PWREN |
- S3C2410_LCDCON5_HWSWP,
+static struct s3c2410fb_display qt2410_lcd_cfg[] __initdata = {
+ {
+ /* Configuration for 640x480 SHARP LQ080V3DG01 */
+ .regs = {
+
+ .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
+ S3C2410_LCDCON1_TFT |
+ S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
+
+ .lcdcon2 = S3C2410_LCDCON2_VBPD(18) | /* 19 */
+ S3C2410_LCDCON2_LINEVAL(479) |
+ S3C2410_LCDCON2_VFPD(10) | /* 11 */
+ S3C2410_LCDCON2_VSPW(14), /* 15 */
+
+ .lcdcon3 = S3C2410_LCDCON3_HBPD(43) | /* 44 */
+ S3C2410_LCDCON3_HOZVAL(639) | /* 640 */
+ S3C2410_LCDCON3_HFPD(115), /* 116 */
+
+ .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
+ S3C2410_LCDCON4_HSPW(95), /* 96 */
+
+ .lcdcon5 = S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_PWREN |
+ S3C2410_LCDCON5_HWSWP,
+ },
+
+ .width = 640,
+ .height = 480,
+
+ .xres = 640,
+ .yres = 480,
+ .bpp = 16,
},
-
- .lpcsel = ((0xCE6) & ~7) | 1<<4,
-
- .width = 640,
- .height = 480,
-
- .xres = {
- .min = 640,
- .max = 640,
- .defval = 640,
- },
-
- .yres = {
- .min = 480,
- .max = 480,
- .defval = 480,
- },
-
- .bpp = {
- .min = 16,
- .max = 16,
- .defval = 16,
- },
-};
-
-/* Configuration for 480x640 toppoly TD028TTEC1 */
-static struct s3c2410fb_mach_info qt2410_prodlcd_cfg __initdata = {
- .regs = {
-
- .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
- S3C2410_LCDCON1_TFT |
- S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
-
- .lcdcon2 = S3C2410_LCDCON2_VBPD(1) | /* 2 */
- S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
- S3C2410_LCDCON2_VFPD(3) | /* 4 */
- S3C2410_LCDCON2_VSPW(1), /* 2 */
-
- .lcdcon3 = S3C2410_LCDCON3_HBPD(7) | /* 8 */
- S3C2410_LCDCON3_HOZVAL(479) | /* 479 */
- S3C2410_LCDCON3_HFPD(23), /* 24 */
-
- .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
- S3C2410_LCDCON4_HSPW(7), /* 8 */
-
- .lcdcon5 = S3C2410_LCDCON5_FRM565 |
- S3C2410_LCDCON5_INVVLINE |
- S3C2410_LCDCON5_INVVFRAME |
- S3C2410_LCDCON5_PWREN |
- S3C2410_LCDCON5_HWSWP,
- },
-
- .lpcsel = ((0xCE6) & ~7) | 1<<4,
-
- .width = 480,
- .height = 640,
-
- .xres = {
- .min = 480,
- .max = 480,
- .defval = 480,
+ {
+ /* Configuration for 480x640 toppoly TD028TTEC1 */
+ .regs = {
+
+ .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
+ S3C2410_LCDCON1_TFT |
+ S3C2410_LCDCON1_CLKVAL(0x01), /* HCLK/4 */
+
+ .lcdcon2 = S3C2410_LCDCON2_VBPD(1) | /* 2 */
+ S3C2410_LCDCON2_LINEVAL(639) |/* 640 */
+ S3C2410_LCDCON2_VFPD(3) | /* 4 */
+ S3C2410_LCDCON2_VSPW(1), /* 2 */
+
+ .lcdcon3 = S3C2410_LCDCON3_HBPD(7) | /* 8 */
+ S3C2410_LCDCON3_HOZVAL(479) | /* 479 */
+ S3C2410_LCDCON3_HFPD(23), /* 24 */
+
+ .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
+ S3C2410_LCDCON4_HSPW(7), /* 8 */
+
+ .lcdcon5 = S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_PWREN |
+ S3C2410_LCDCON5_HWSWP,
+ },
+
+ .width = 480,
+ .height = 640,
+ .xres = 480,
+ .yres = 640,
+ .bpp = 16,
},
-
- .yres = {
- .min = 640,
- .max = 640,
- .defval = 640,
- },
-
- .bpp = {
- .min = 16,
- .max = 16,
- .defval = 16,
+ {
+ /* Config for 240x320 LCD */
+ .regs = {
+
+ .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
+ S3C2410_LCDCON1_TFT |
+ S3C2410_LCDCON1_CLKVAL(0x04),
+
+ .lcdcon2 = S3C2410_LCDCON2_VBPD(1) |
+ S3C2410_LCDCON2_LINEVAL(319) |
+ S3C2410_LCDCON2_VFPD(6) |
+ S3C2410_LCDCON2_VSPW(3),
+
+ .lcdcon3 = S3C2410_LCDCON3_HBPD(12) |
+ S3C2410_LCDCON3_HOZVAL(239) |
+ S3C2410_LCDCON3_HFPD(7),
+
+ .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
+ S3C2410_LCDCON4_HSPW(3),
+
+ .lcdcon5 = S3C2410_LCDCON5_FRM565 |
+ S3C2410_LCDCON5_INVVLINE |
+ S3C2410_LCDCON5_INVVFRAME |
+ S3C2410_LCDCON5_PWREN |
+ S3C2410_LCDCON5_HWSWP,
+ },
+
+ .width = 240,
+ .height = 320,
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
},
};
-/* Config for 240x320 LCD */
-static struct s3c2410fb_mach_info qt2410_lcd_cfg __initdata = {
- .regs = {
-
- .lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
- S3C2410_LCDCON1_TFT |
- S3C2410_LCDCON1_CLKVAL(0x04),
-
- .lcdcon2 = S3C2410_LCDCON2_VBPD(1) |
- S3C2410_LCDCON2_LINEVAL(319) |
- S3C2410_LCDCON2_VFPD(6) |
- S3C2410_LCDCON2_VSPW(3),
-
- .lcdcon3 = S3C2410_LCDCON3_HBPD(12) |
- S3C2410_LCDCON3_HOZVAL(239) |
- S3C2410_LCDCON3_HFPD(7),
- .lcdcon4 = S3C2410_LCDCON4_MVAL(0) |
- S3C2410_LCDCON4_HSPW(3),
-
- .lcdcon5 = S3C2410_LCDCON5_FRM565 |
- S3C2410_LCDCON5_INVVLINE |
- S3C2410_LCDCON5_INVVFRAME |
- S3C2410_LCDCON5_PWREN |
- S3C2410_LCDCON5_HWSWP,
- },
+static struct s3c2410fb_mach_info qt2410_fb_info __initdata = {
+ .displays = qt2410_lcd_cfg,
+ .num_displays = ARRAY_SIZE(qt2410_lcd_cfg),
+ .default_display = 0,
.lpcsel = ((0xCE6) & ~7) | 1<<4,
-
- .width = 240,
- .height = 320,
-
- .xres = {
- .min = 240,
- .max = 240,
- .defval = 240,
- },
-
- .yres = {
- .min = 320,
- .max = 320,
- .defval = 320,
- },
-
- .bpp = {
- .min = 16,
- .max = 16,
- .defval = 16,
- },
};
/* CS8900 */
@@ -408,16 +367,17 @@ static void __init qt2410_machine_init(v
switch (tft_type) {
case 'p': /* production */
- s3c24xx_fb_set_platdata(&qt2410_prodlcd_cfg);
+ qt2410_fb_info.default_display = 1;
break;
case 'b': /* big */
- s3c24xx_fb_set_platdata(&qt2410_biglcd_cfg);
+ qt2410_fb_info.default_display = 0;
break;
case 's': /* small */
default:
- s3c24xx_fb_set_platdata(&qt2410_lcd_cfg);
+ qt2410_fb_info.default_display = 2;
break;
}
+ s3c24xx_fb_set_platdata(&qt2410_fb_info);
s3c2410_gpio_cfgpin(S3C2410_GPB0, S3C2410_GPIO_OUTPUT);
s3c2410_gpio_setpin(S3C2410_GPB0, 1);
diff --git a/arch/arm/mach-s3c2440/mach-rx3715.c b/arch/arm/mach-s3c2440/mach-rx3715.c
index b59e6d3..c830788 100644
--- a/arch/arm/mach-s3c2440/mach-rx3715.c
+++ b/arch/arm/mach-s3c2440/mach-rx3715.c
@@ -110,7 +110,7 @@ static struct s3c2410_uartcfg rx3715_uar
/* framebuffer lcd controller information */
-static struct s3c2410fb_mach_info rx3715_lcdcfg __initdata = {
+static struct s3c2410fb_display rx3715_lcdcfg __initdata = {
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP | \
S3C2410_LCDCON1_TFT | \
@@ -133,6 +133,20 @@ static struct s3c2410fb_mach_info rx3715
S3C2410_LCDCON5_HWSWP,
},
+ .width = 240,
+ .height = 320,
+
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+};
+
+static struct s3c2410fb_mach_info rx3715_fb_info __initdata = {
+
+ .displays = &rx3715_lcdcfg,
+ .num_displays = 1,
+ .default_display = 0,
+
.lpcsel = 0xf82,
.gpccon = 0xaa955699,
@@ -146,26 +160,6 @@ static struct s3c2410fb_mach_info rx3715
.gpdup_mask = 0xffffffff,
.fixed_syncs = 1,
- .width = 240,
- .height = 320,
-
- .xres = {
- .min = 240,
- .max = 240,
- .defval = 240,
- },
-
- .yres = {
- .max = 320,
- .min = 320,
- .defval = 320,
- },
-
- .bpp = {
- .min = 16,
- .max = 16,
- .defval = 16,
- },
};
static struct mtd_partition rx3715_nand_part[] = {
@@ -224,7 +218,7 @@ #ifdef CONFIG_PM_H1940
#endif
s3c2410_pm_init();
- s3c24xx_fb_set_platdata(&rx3715_lcdcfg);
+ s3c24xx_fb_set_platdata(&rx3715_fb_info);
platform_add_devices(rx3715_devices, ARRAY_SIZE(rx3715_devices));
}
diff --git a/arch/arm/mach-s3c2440/mach-smdk2440.c b/arch/arm/mach-s3c2440/mach-smdk2440.c
index 670115b..f7dac7d 100644
--- a/arch/arm/mach-s3c2440/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2440/mach-smdk2440.c
@@ -103,7 +103,7 @@ static struct s3c2410_uartcfg smdk2440_u
/* LCD driver info */
-static struct s3c2410fb_mach_info smdk2440_lcd_cfg __initdata = {
+static struct s3c2410fb_display smdk2440_lcd_cfg __initdata = {
.regs = {
.lcdcon1 = S3C2410_LCDCON1_TFT16BPP |
@@ -129,6 +129,21 @@ static struct s3c2410fb_mach_info smdk24
S3C2410_LCDCON5_HWSWP,
},
+ .type = S3C2410_LCDCON1_TFT16BPP,
+
+ .width = 240,
+ .height = 320,
+
+ .xres = 240,
+ .yres = 320,
+ .bpp = 16,
+};
+
+static struct s3c2410fb_mach_info smdk2440_fb_info __initdata = {
+ .displays = &smdk2440_lcd_cfg,
+ .num_displays = 1,
+ .default_display = 0,
+
#if 0
/* currently setup by downloader */
.gpccon = 0xaa940659,
@@ -142,28 +157,6 @@ #if 0
#endif
.lpcsel = ((0xCE6) & ~7) | 1<<4,
- .type = S3C2410_LCDCON1_TFT16BPP,
-
- .width = 240,
- .height = 320,
-
- .xres = {
- .min = 240,
- .max = 240,
- .defval = 240,
- },
-
- .yres = {
- .min = 320,
- .max = 320,
- .defval = 320,
- },
-
- .bpp = {
- .min = 16,
- .max = 16,
- .defval = 16,
- },
};
static struct platform_device *smdk2440_devices[] __initdata = {
@@ -183,7 +176,7 @@ static void __init smdk2440_map_io(void)
static void __init smdk2440_machine_init(void)
{
- s3c24xx_fb_set_platdata(&smdk2440_lcd_cfg);
+ s3c24xx_fb_set_platdata(&smdk2440_fb_info);
platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
smdk_machine_init();
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index f7a026f..e52ec22 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -174,27 +174,28 @@ static int s3c2410fb_check_var(struct fb
struct fb_info *info)
{
struct s3c2410fb_info *fbi = info->par;
+ struct s3c2410fb_mach_info *mach_info = fbi->mach_info;
+ struct s3c2410fb_display *display = NULL;
+ unsigned i;
dprintk("check_var(var=%p, info=%p)\n", var, info);
/* validate x/y resolution */
- if (var->yres > fbi->mach_info->yres.max)
- var->yres = fbi->mach_info->yres.max;
- else if (var->yres < fbi->mach_info->yres.min)
- var->yres = fbi->mach_info->yres.min;
-
- if (var->xres > fbi->mach_info->xres.max)
- var->yres = fbi->mach_info->xres.max;
- else if (var->xres < fbi->mach_info->xres.min)
- var->xres = fbi->mach_info->xres.min;
-
- /* validate bpp */
+ for (i = 0; i < mach_info->num_displays; i++)
+ if (var->yres == mach_info->displays[i].yres &&
+ var->xres == mach_info->displays[i].xres &&
+ var->bits_per_pixel == mach_info->displays[i].bpp) {
+ display = mach_info->displays + i;
+ fbi->current_display = i;
+ break;
+ }
- if (var->bits_per_pixel > fbi->mach_info->bpp.max)
- var->bits_per_pixel = fbi->mach_info->bpp.max;
- else if (var->bits_per_pixel < fbi->mach_info->bpp.min)
- var->bits_per_pixel = fbi->mach_info->bpp.min;
+ if (!display) {
+ dprintk("wrong resolution or depth %dx%d at %d bpp\n",
+ var->xres, var->yres, var->bits_per_pixel);
+ return -EINVAL;
+ }
var->transp.offset = 0;
var->transp.length = 0;
@@ -209,7 +210,7 @@ static int s3c2410fb_check_var(struct fb
var->blue = var->red;
break;
case 8:
- if (fbi->mach_info->type != S3C2410_LCDCON1_TFT) {
+ if (display->type != S3C2410_LCDCON1_TFT) {
/* 8 bpp 332 */
var->red.length = 3;
var->red.offset = 5;
@@ -236,7 +237,7 @@ static int s3c2410fb_check_var(struct fb
default:
case 16:
- if (fbi->regs.lcdcon5 & S3C2410_LCDCON5_FRM565) {
+ if (display->regs.lcdcon5 & S3C2410_LCDCON5_FRM565) {
/* 16 bpp, 565 format */
var->red.offset = 11;
var->green.offset = 5;
@@ -278,6 +279,9 @@ static void s3c2410fb_activate_var(struc
struct fb_var_screeninfo *var)
{
struct s3c2410fb_info *fbi = info->par;
+ struct s3c2410fb_mach_info *mach_info = fbi->mach_info;
+ struct s3c2410fb_display *display = mach_info->displays +
+ fbi->current_display;
int hs;
fbi->regs.lcdcon1 &= ~S3C2410_LCDCON1_MODEMASK;
@@ -287,9 +291,9 @@ static void s3c2410fb_activate_var(struc
dprintk("%s: var->yres = %d\n", __FUNCTION__, var->yres);
dprintk("%s: var->bpp = %d\n", __FUNCTION__, var->bits_per_pixel);
- fbi->regs.lcdcon1 |= fbi->mach_info->type;
+ fbi->regs.lcdcon1 |= display->type;
- if (fbi->mach_info->type == S3C2410_LCDCON1_TFT)
+ if (display->type == S3C2410_LCDCON1_TFT)
switch (var->bits_per_pixel) {
case 1:
fbi->regs.lcdcon1 |= S3C2410_LCDCON1_TFT1BPP;
@@ -338,7 +342,7 @@ static void s3c2410fb_activate_var(struc
/* check to see if we need to update sync/borders */
- if (!fbi->mach_info->fixed_syncs) {
+ if (!mach_info->fixed_syncs) {
dprintk("setting vert: up=%d, low=%d, sync=%d\n",
var->upper_margin, var->lower_margin, var->vsync_len);
@@ -363,7 +367,7 @@ static void s3c2410fb_activate_var(struc
fbi->regs.lcdcon2 &= ~S3C2410_LCDCON2_LINEVAL(0x3ff);
fbi->regs.lcdcon2 |= S3C2410_LCDCON2_LINEVAL(var->yres - 1);
- switch (fbi->mach_info->type) {
+ switch (display->type) {
case S3C2410_LCDCON1_DSCAN4:
case S3C2410_LCDCON1_STN8:
hs = var->xres / 8;
@@ -388,7 +392,7 @@ static void s3c2410fb_activate_var(struc
if (var->pixclock > 0) {
int clkdiv = s3c2410fb_calc_pixclk(fbi, var->pixclock);
- if (fbi->mach_info->type == S3C2410_LCDCON1_TFT) {
+ if (display->type == S3C2410_LCDCON1_TFT) {
clkdiv = (clkdiv / 2) - 1;
if (clkdiv < 0)
clkdiv = 0;
@@ -750,6 +754,7 @@ static char driver_name[] = "s3c2410fb";
static int __init s3c2410fb_probe(struct platform_device *pdev)
{
struct s3c2410fb_info *info;
+ struct s3c2410fb_display *display;
struct fb_info *fbinfo;
struct s3c2410fb_hw *mregs;
struct resource *res;
@@ -766,7 +771,8 @@ static int __init s3c2410fb_probe(struct
return -EINVAL;
}
- mregs = &mach_info->regs;
+ display = mach_info->displays + mach_info->default_display;
+ mregs = &display->regs;
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
@@ -809,7 +815,7 @@ static int __init s3c2410fb_probe(struct
strcpy(fbinfo->fix.id, driver_name);
- memcpy(&info->regs, &mach_info->regs, sizeof(info->regs));
+ memcpy(&info->regs, &display->regs, sizeof(info->regs));
/* Stop the video and unset ENVID if set */
info->regs.lcdcon1 &= ~S3C2410_LCDCON1_ENVID;
@@ -817,6 +823,7 @@ static int __init s3c2410fb_probe(struct
writel(lcdcon1 & ~S3C2410_LCDCON1_ENVID, info->io + S3C2410_LCDCON1);
info->mach_info = pdev->dev.platform_data;
+ info->current_display = mach_info->default_display;
fbinfo->fix.type = FB_TYPE_PACKED_PIXELS;
fbinfo->fix.type_aux = 0;
@@ -827,8 +834,8 @@ static int __init s3c2410fb_probe(struct
fbinfo->var.nonstd = 0;
fbinfo->var.activate = FB_ACTIVATE_NOW;
- fbinfo->var.height = mach_info->height;
- fbinfo->var.width = mach_info->width;
+ fbinfo->var.height = display->height;
+ fbinfo->var.width = display->width;
fbinfo->var.accel_flags = 0;
fbinfo->var.vmode = FB_VMODE_NONINTERLACED;
@@ -836,11 +843,11 @@ static int __init s3c2410fb_probe(struct
fbinfo->flags = FBINFO_FLAG_DEFAULT;
fbinfo->pseudo_palette = &info->pseudo_pal;
- fbinfo->var.xres = mach_info->xres.defval;
- fbinfo->var.xres_virtual = mach_info->xres.defval;
- fbinfo->var.yres = mach_info->yres.defval;
- fbinfo->var.yres_virtual = mach_info->yres.defval;
- fbinfo->var.bits_per_pixel = mach_info->bpp.defval;
+ fbinfo->var.xres = display->xres;
+ fbinfo->var.xres_virtual = display->xres;
+ fbinfo->var.yres = display->yres;
+ fbinfo->var.yres_virtual = display->yres;
+ fbinfo->var.bits_per_pixel = display->bpp;
fbinfo->var.upper_margin =
S3C2410_LCDCON2_GET_VBPD(mregs->lcdcon2) + 1;
@@ -864,9 +871,17 @@ static int __init s3c2410fb_probe(struct
fbinfo->var.green.length = 6;
fbinfo->var.blue.length = 5;
fbinfo->var.transp.length = 0;
- fbinfo->fix.smem_len = mach_info->xres.max *
- mach_info->yres.max *
- mach_info->bpp.max / 8;
+
+ /* find maximum required memory size for display */
+ for (i = 0; i < mach_info->num_displays; i++) {
+ unsigned long smem_len = mach_info->displays[i].xres;
+
+ smem_len *= mach_info->displays[i].yres;
+ smem_len *= mach_info->displays[i].bpp;
+ smem_len >>= 3;
+ if (fbinfo->fix.smem_len < smem_len)
+ fbinfo->fix.smem_len = smem_len;
+ }
for (i = 0; i < 256; i++)
info->palette_buffer[i] = PALETTE_BUFF_CLEAR;
diff --git a/drivers/video/s3c2410fb.h b/drivers/video/s3c2410fb.h
index eec7708..9e86fff 100644
--- a/drivers/video/s3c2410fb.h
+++ b/drivers/video/s3c2410fb.h
@@ -34,6 +34,8 @@ struct s3c2410fb_info {
struct s3c2410fb_mach_info *mach_info;
+ unsigned current_display;
+
/* raw memory addresses */
dma_addr_t map_dma; /* physical */
u_char * map_cpu; /* virtual */
diff --git a/include/asm-arm/arch-s3c2410/fb.h b/include/asm-arm/arch-s3c2410/fb.h
index 93a58e7..c0e18b2 100644
--- a/include/asm-arm/arch-s3c2410/fb.h
+++ b/include/asm-arm/arch-s3c2410/fb.h
@@ -14,12 +14,6 @@ #define __ASM_ARM_FB_H
#include <asm/arch/regs-lcd.h>
-struct s3c2410fb_val {
- unsigned int defval;
- unsigned int min;
- unsigned int max;
-};
-
struct s3c2410fb_hw {
unsigned long lcdcon1;
unsigned long lcdcon2;
@@ -28,23 +22,30 @@ struct s3c2410fb_hw {
unsigned long lcdcon5;
};
-struct s3c2410fb_mach_info {
- unsigned char fixed_syncs; /* do not update sync/border */
-
- /* LCD types */
- int type;
+/* LCD description */
+struct s3c2410fb_display {
+ /* LCD type */
+ unsigned type;
/* Screen size */
- int width;
- int height;
+ unsigned short width;
+ unsigned short height;
/* Screen info */
- struct s3c2410fb_val xres;
- struct s3c2410fb_val yres;
- struct s3c2410fb_val bpp;
+ unsigned short xres;
+ unsigned short yres;
+ unsigned short bpp;
/* lcd configuration registers */
struct s3c2410fb_hw regs;
+};
+
+struct s3c2410fb_mach_info {
+ unsigned char fixed_syncs; /* do not update sync/border */
+
+ struct s3c2410fb_display *displays; /* attached diplays info */
+ unsigned num_displays; /* number of defined displays */
+ unsigned default_display;
/* GPIOs */
-------------------------------------------------------------------------
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2007-08-13 12:31 [PATCH 07/22] s3c2410fb: multi-display support Antonino A. Daplas
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