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-rw-r--r--drivers/video/s3c-fb.c162
1 files changed, 131 insertions, 31 deletions
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index e700cfd50023..5c7ac01ab61d 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -9,7 +9,7 @@
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * published by the Free Software FoundatIon.
*/
#include <linux/kernel.h>
@@ -23,7 +23,7 @@
#include <linux/io.h>
#include <mach/map.h>
-#include <mach/regs-fb.h>
+#include <plat/regs-fb-v4.h>
#include <plat/fb.h>
/* This driver will export a number of framebuffer interfaces depending
@@ -52,13 +52,38 @@ struct s3c_fb;
#define VALID_BPP(x) (1 << ((x) - 1))
+#define OSD_BASE(win, variant) ((variant).osd + ((win) * (variant).osd_stride))
+#define VIDOSD_A(win, variant) (OSD_BASE(win, variant) + 0x00)
+#define VIDOSD_B(win, variant) (OSD_BASE(win, variant) + 0x04)
+#define VIDOSD_C(win, variant) (OSD_BASE(win, variant) + 0x08)
+#define VIDOSD_D(win, variant) (OSD_BASE(win, variant) + 0x0C)
+
/**
* struct s3c_fb_variant - fb variant information
+ * @is_2443: Set if S3C2443/S3C2416 style hardware.
* @nr_windows: The number of windows.
+ * @vidtcon: The base for the VIDTCONx registers
+ * @wincon: The base for the WINxCON registers.
+ * @winmap: The base for the WINxMAP registers.
+ * @keycon: The abse for the WxKEYCON registers.
+ * @buf_start: Offset of buffer start registers.
+ * @buf_size: Offset of buffer size registers.
+ * @buf_end: Offset of buffer end registers.
+ * @osd: The base for the OSD registers.
* @palette: Address of palette memory, or 0 if none.
*/
struct s3c_fb_variant {
+ unsigned int is_2443:1;
unsigned short nr_windows;
+ unsigned short vidtcon;
+ unsigned short wincon;
+ unsigned short winmap;
+ unsigned short keycon;
+ unsigned short buf_start;
+ unsigned short buf_end;
+ unsigned short buf_size;
+ unsigned short osd;
+ unsigned short osd_stride;
unsigned short palette[S3C_FB_MAX_WIN];
};
@@ -308,6 +333,7 @@ static int s3c_fb_set_par(struct fb_info *info)
struct s3c_fb_win *win = info->par;
struct s3c_fb *sfb = win->parent;
void __iomem *regs = sfb->regs;
+ void __iomem *buf = regs;
int win_no = win->index;
u32 osdc_data = 0;
u32 data;
@@ -357,6 +383,9 @@ static int s3c_fb_set_par(struct fb_info *info)
/* write the timing data to the panel */
+ if (sfb->variant.is_2443)
+ data |= (1 << 5);
+
data |= VIDCON0_ENVID | VIDCON0_ENVID_F;
writel(data, regs + VIDCON0);
@@ -364,41 +393,45 @@ static int s3c_fb_set_par(struct fb_info *info)
VIDTCON0_VFPD(var->lower_margin - 1) |
VIDTCON0_VSPW(var->vsync_len - 1);
- writel(data, regs + VIDTCON0);
+ writel(data, regs + sfb->variant.vidtcon);
data = VIDTCON1_HBPD(var->left_margin - 1) |
VIDTCON1_HFPD(var->right_margin - 1) |
VIDTCON1_HSPW(var->hsync_len - 1);
- writel(data, regs + VIDTCON1);
+ /* VIDTCON1 */
+ writel(data, regs + sfb->variant.vidtcon + 4);
data = VIDTCON2_LINEVAL(var->yres - 1) |
VIDTCON2_HOZVAL(var->xres - 1);
- writel(data, regs + VIDTCON2);
+ writel(data, regs +sfb->variant.vidtcon + 8 );
}
/* write the buffer address */
- writel(info->fix.smem_start, regs + VIDW_BUF_START(win_no));
+ /* start and end registers stride is 8 */
+ buf = regs + win_no * 8;
+
+ writel(info->fix.smem_start, buf + sfb->variant.buf_start);
data = info->fix.smem_start + info->fix.line_length * var->yres;
- writel(data, regs + VIDW_BUF_END(win_no));
+ writel(data, buf + sfb->variant.buf_end);
pagewidth = (var->xres * var->bits_per_pixel) >> 3;
data = VIDW_BUF_SIZE_OFFSET(info->fix.line_length - pagewidth) |
VIDW_BUF_SIZE_PAGEWIDTH(pagewidth);
- writel(data, regs + VIDW_BUF_SIZE(win_no));
+ writel(data, regs + sfb->variant.buf_size + (win_no * 4));
/* write 'OSD' registers to control position of framebuffer */
data = VIDOSDxA_TOPLEFT_X(0) | VIDOSDxA_TOPLEFT_Y(0);
- writel(data, regs + VIDOSD_A(win_no));
+ writel(data, regs + VIDOSD_A(win_no, sfb->variant));
data = VIDOSDxB_BOTRIGHT_X(s3c_fb_align_word(var->bits_per_pixel,
var->xres - 1)) |
VIDOSDxB_BOTRIGHT_Y(var->yres - 1);
- writel(data, regs + VIDOSD_B(win_no));
+ writel(data, regs + VIDOSD_B(win_no, sfb->variant));
data = var->xres * var->yres;
@@ -407,10 +440,10 @@ static int s3c_fb_set_par(struct fb_info *info)
VIDISD14C_ALPHA1_B(0xf);
if (win->variant.has_osd_d) {
- writel(data, regs + VIDOSD_D(win_no));
- writel(osdc_data, regs + VIDOSD_C(win_no));
+ writel(data, regs + VIDOSD_D(win_no, sfb->variant));
+ writel(osdc_data, regs + VIDOSD_C(win_no, sfb->variant));
} else
- writel(data, regs + VIDOSD_C(win_no));
+ writel(data, regs + VIDOSD_C(win_no, sfb->variant));
data = WINCONx_ENWIN;
@@ -471,9 +504,10 @@ static int s3c_fb_set_par(struct fb_info *info)
break;
}
- /* It has no color key control register for window0 */
+ /* Enable the colour keying for the window below this one */
if (win_no > 0) {
u32 keycon0_data = 0, keycon1_data = 0;
+ void __iomem *keycon = regs + sfb->variant.keycon;
keycon0_data = ~(WxKEYCON0_KEYBL_EN |
WxKEYCON0_KEYEN_F |
@@ -481,12 +515,14 @@ static int s3c_fb_set_par(struct fb_info *info)
keycon1_data = WxKEYCON1_COLVAL(0xffffff);
- writel(keycon0_data, regs + WxKEYCONy(win_no-1, 0));
- writel(keycon1_data, regs + WxKEYCONy(win_no-1, 1));
+ keycon += (win_no - 1) * 8;
+
+ writel(keycon0_data, keycon + WKEYCON0);
+ writel(keycon1_data, keycon + WKEYCON1);
}
- writel(data, regs + WINCON(win_no));
- writel(0x0, regs + WINxMAP(win_no));
+ writel(data, regs + sfb->variant.wincon + (win_no * 4));
+ writel(0x0, regs + sfb->variant.winmap + (win_no * 4));
return 0;
}
@@ -634,7 +670,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
dev_dbg(sfb->dev, "blank mode %d\n", blank_mode);
- wincon = readl(sfb->regs + WINCON(index));
+ wincon = readl(sfb->regs + sfb->variant.wincon + (index * 4));
switch (blank_mode) {
case FB_BLANK_POWERDOWN:
@@ -645,11 +681,11 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
case FB_BLANK_NORMAL:
/* disable the DMA and display 0x0 (black) */
writel(WINxMAP_MAP | WINxMAP_MAP_COLOUR(0x0),
- sfb->regs + WINxMAP(index));
+ sfb->regs + sfb->variant.winmap + (index * 4));
break;
case FB_BLANK_UNBLANK:
- writel(0x0, sfb->regs + WINxMAP(index));
+ writel(0x0, sfb->regs + sfb->variant.winmap + (index * 4));
wincon |= WINCONx_ENWIN;
sfb->enabled |= (1 << index);
break;
@@ -660,7 +696,7 @@ static int s3c_fb_blank(int blank_mode, struct fb_info *info)
return 1;
}
- writel(wincon, sfb->regs + WINCON(index));
+ writel(wincon, sfb->regs + sfb->variant.wincon + (index * 4));
/* Check the enabled state to see if we need to be running the
* main LCD interface, as if there are no active windows then
@@ -796,7 +832,7 @@ static int __devinit s3c_fb_probe_win(struct s3c_fb *sfb, unsigned int win_no,
int palette_size;
int ret;
- dev_dbg(sfb->dev, "probing window %d\n", win_no);
+ dev_dbg(sfb->dev, "probing window %d, variant %p\n", win_no, variant);
palette_size = variant->palette_sz * 4;
@@ -889,10 +925,10 @@ static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)
{
void __iomem *regs = sfb->regs;
- writel(0, regs + WINCON(win));
- writel(0, regs + VIDOSD_A(win));
- writel(0, regs + VIDOSD_B(win));
- writel(0, regs + VIDOSD_C(win));
+ writel(0, regs + sfb->variant.wincon + (win * 4));
+ writel(0, regs + VIDOSD_A(win, sfb->variant));
+ writel(0, regs + VIDOSD_B(win, sfb->variant));
+ writel(0, regs + VIDOSD_C(win, sfb->variant));
}
static int __devinit s3c_fb_probe(struct platform_device *pdev)
@@ -924,6 +960,8 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
return -ENOMEM;
}
+ dev_dbg(dev, "allocate new framebuffer %p\n", sfb);
+
sfb->dev = dev;
sfb->pdata = pd;
sfb->variant = fbdrv->variant;
@@ -973,8 +1011,11 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
/* initialise colour key controls */
for (win = 0; win < (fbdrv->variant.nr_windows - 1); win++) {
- writel(0xffffff, sfb->regs + WxKEYCONy(win, 0));
- writel(0xffffff, sfb->regs + WxKEYCONy(win, 1));
+ void __iomem *regs = sfb->regs + sfb->variant.keycon;
+
+ regs += (win * 8);
+ writel(0xffffff, regs + WKEYCON0);
+ writel(0xffffff, regs + WKEYCON1);
}
/* we have the register setup, start allocating framebuffers */
@@ -1079,8 +1120,11 @@ static int s3c_fb_resume(struct platform_device *pdev)
s3c_fb_clear_win(sfb, win_no);
for (win_no = 0; win_no < sfb->variant.nr_windows - 1; win_no++) {
- writel(0xffffff, sfb->regs + WxKEYCONy(win_no, 1));
- writel(0xffffff, sfb->regs + WxKEYCONy(win_no, 1));
+ void __iomem *regs = sfb->regs + sfb->variant.keycon;
+
+ regs += (win_no * 8);
+ writel(0xffffff, regs + WKEYCON0);
+ writel(0xffffff, regs + WKEYCON1);
}
/* restore framebuffers */
@@ -1149,6 +1193,15 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] __devinitdata = {
static struct s3c_fb_driverdata s3c_fb_data_64xx __devinitdata = {
.variant = {
.nr_windows = 5,
+ .vidtcon = VIDTCON0,
+ .wincon = WINCON(0),
+ .winmap = WINxMAP(0),
+ .keycon = WKEYCON,
+ .osd = VIDOSD_BASE,
+ .osd_stride = 16,
+ .buf_start = VIDW_BUF_START(0),
+ .buf_size = VIDW_BUF_SIZE(0),
+ .buf_end = VIDW_BUF_END(0),
.palette = {
[0] = 0x400,
@@ -1168,6 +1221,15 @@ static struct s3c_fb_driverdata s3c_fb_data_64xx __devinitdata = {
static struct s3c_fb_driverdata s3c_fb_data_s5p __devinitdata = {
.variant = {
.nr_windows = 5,
+ .vidtcon = VIDTCON0,
+ .wincon = WINCON(0),
+ .winmap = WINxMAP(0),
+ .keycon = WKEYCON,
+ .osd = VIDOSD_BASE,
+ .osd_stride = 16,
+ .buf_start = VIDW_BUF_START(0),
+ .buf_size = VIDW_BUF_SIZE(0),
+ .buf_end = VIDW_BUF_END(0),
.palette = {
[0] = 0x2400,
@@ -1184,6 +1246,41 @@ static struct s3c_fb_driverdata s3c_fb_data_s5p __devinitdata = {
.win[4] = &s3c_fb_data_64xx_wins[4],
};
+/* S3C2443/S3C2416 style hardware */
+static struct s3c_fb_driverdata s3c_fb_data_s3c2443 __devinitdata = {
+ .variant = {
+ .nr_windows = 2,
+ .is_2443 = 1,
+
+ .vidtcon = 0x08,
+ .wincon = 0x14,
+ .winmap = 0xd0,
+ .keycon = 0xb0,
+ .osd = 0x28,
+ .osd_stride = 12,
+ .buf_start = 0x64,
+ .buf_size = 0x94,
+ .buf_end = 0x7c,
+
+ .palette = {
+ [0] = 0x400,
+ [1] = 0x800,
+ },
+ },
+ .win[0] = &(struct s3c_fb_win_variant) {
+ .palette_sz = 256,
+ .valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
+ },
+ .win[1] = &(struct s3c_fb_win_variant) {
+ .has_osd_c = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(28)),
+ },
+};
+
static struct platform_device_id s3c_fb_driver_ids[] = {
{
.name = "s3c-fb",
@@ -1191,6 +1288,9 @@ static struct platform_device_id s3c_fb_driver_ids[] = {
}, {
.name = "s5p-fb",
.driver_data = (unsigned long)&s3c_fb_data_s5p,
+ }, {
+ .name = "s3c2443-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_s3c2443,
},
{},
};
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-26 10:49:03 +0000