s3c2410fb: multi-display support

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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

4 files changed, 295 insertions, 209 deletions

diff --git a/arch/arm/mach-s3c2410/mach-amlm5900.c b/arch/arm/mach-s3c2410/mach-amlm5900.c
index 43bb5e10630..19469340af0 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 __initdata amlm5900_lcd_info = {
 	.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 bc926992b4e..be50201809a 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_device_axpp = {
 
 /* 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 9a172b4ad72..ab04b2961d6 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 h1940_udc_cfg __initdata = {
 /**
  * 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_lcdcfg __initdata = {
 				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_lcdcfg __initdata = {
 	.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 e670b1e1631..03ea5d7b2a1 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_uartcfgs[] = {
 
 /* 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(void)
 
 	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);