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path: root/drivers/video/s3c-fb.c
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Diffstat (limited to 'drivers/video/s3c-fb.c')
-rw-r--r--drivers/video/s3c-fb.c133
1 files changed, 96 insertions, 37 deletions
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 0c63b69b6340..f3105160bf98 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -48,7 +48,8 @@
#undef writel
#define writel(v, r) do { \
printk(KERN_DEBUG "%s: %08x => %p\n", __func__, (unsigned int)v, r); \
- __raw_writel(v, r); } while (0)
+ __raw_writel(v, r); \
+} while (0)
#endif /* FB_S3C_DEBUG_REGWRITE */
/* irq_flags bits */
@@ -81,12 +82,14 @@ struct s3c_fb;
* @palette: Address of palette memory, or 0 if none.
* @has_prtcon: Set if has PRTCON register.
* @has_shadowcon: Set if has SHADOWCON register.
+ * @has_blendcon: Set if has BLENDCON register.
* @has_clksel: Set if VIDCON0 register has CLKSEL bit.
+ * @has_fixvclk: Set if VIDCON1 register has FIXVCLK bits.
*/
struct s3c_fb_variant {
unsigned int is_2443:1;
unsigned short nr_windows;
- unsigned short vidtcon;
+ unsigned int vidtcon;
unsigned short wincon;
unsigned short winmap;
unsigned short keycon;
@@ -99,7 +102,9 @@ struct s3c_fb_variant {
unsigned int has_prtcon:1;
unsigned int has_shadowcon:1;
+ unsigned int has_blendcon:1;
unsigned int has_clksel:1;
+ unsigned int has_fixvclk:1;
};
/**
@@ -186,7 +191,6 @@ struct s3c_fb_vsync {
* struct s3c_fb - overall hardware state of the hardware
* @slock: The spinlock protection for this data sturcture.
* @dev: The device that we bound to, for printing, etc.
- * @regs_res: The resource we claimed for the IO registers.
* @bus_clk: The clk (hclk) feeding our interface and possibly pixclk.
* @lcd_clk: The clk (sclk) feeding pixclk.
* @regs: The mapped hardware registers.
@@ -202,7 +206,6 @@ struct s3c_fb_vsync {
struct s3c_fb {
spinlock_t slock;
struct device *dev;
- struct resource *regs_res;
struct clk *bus_clk;
struct clk *lcd_clk;
void __iomem *regs;
@@ -565,7 +568,9 @@ static int s3c_fb_set_par(struct fb_info *info)
writel(data, regs + sfb->variant.vidtcon + 4);
data = VIDTCON2_LINEVAL(var->yres - 1) |
- VIDTCON2_HOZVAL(var->xres - 1);
+ VIDTCON2_HOZVAL(var->xres - 1) |
+ VIDTCON2_LINEVAL_E(var->yres - 1) |
+ VIDTCON2_HOZVAL_E(var->xres - 1);
writel(data, regs + sfb->variant.vidtcon + 8);
}
@@ -581,17 +586,23 @@ static int s3c_fb_set_par(struct fb_info *info)
pagewidth = (var->xres * var->bits_per_pixel) >> 3;
data = VIDW_BUF_SIZE_OFFSET(info->fix.line_length - pagewidth) |
- VIDW_BUF_SIZE_PAGEWIDTH(pagewidth);
+ VIDW_BUF_SIZE_PAGEWIDTH(pagewidth) |
+ VIDW_BUF_SIZE_OFFSET_E(info->fix.line_length - pagewidth) |
+ VIDW_BUF_SIZE_PAGEWIDTH_E(pagewidth);
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);
+ data = VIDOSDxA_TOPLEFT_X(0) | VIDOSDxA_TOPLEFT_Y(0) |
+ VIDOSDxA_TOPLEFT_X_E(0) | VIDOSDxA_TOPLEFT_Y_E(0);
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);
+ VIDOSDxB_BOTRIGHT_Y(var->yres - 1) |
+ VIDOSDxB_BOTRIGHT_X_E(s3c_fb_align_word(var->bits_per_pixel,
+ var->xres - 1)) |
+ VIDOSDxB_BOTRIGHT_Y_E(var->yres - 1);
writel(data, regs + VIDOSD_B(win_no, sfb->variant));
@@ -692,6 +703,17 @@ static int s3c_fb_set_par(struct fb_info *info)
writel(data, regs + sfb->variant.wincon + (win_no * 4));
writel(0x0, regs + sfb->variant.winmap + (win_no * 4));
+ /* Set alpha value width */
+ if (sfb->variant.has_blendcon) {
+ data = readl(sfb->regs + BLENDCON);
+ data &= ~BLENDCON_NEW_MASK;
+ if (var->transp.length > 4)
+ data |= BLENDCON_NEW_8BIT_ALPHA_VALUE;
+ else
+ data |= BLENDCON_NEW_4BIT_ALPHA_VALUE;
+ writel(data, sfb->regs + BLENDCON);
+ }
+
shadow_protect_win(win, 0);
pm_runtime_put_sync(sfb->dev);
@@ -1346,6 +1368,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
struct resource *res;
int win;
int ret = 0;
+ u32 reg;
platid = platform_get_device_id(pdev);
fbdrv = (struct s3c_fb_driverdata *)platid->driver_data;
@@ -1361,7 +1384,7 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
return -EINVAL;
}
- sfb = kzalloc(sizeof(struct s3c_fb), GFP_KERNEL);
+ sfb = devm_kzalloc(dev, sizeof(struct s3c_fb), GFP_KERNEL);
if (!sfb) {
dev_err(dev, "no memory for framebuffers\n");
return -ENOMEM;
@@ -1404,33 +1427,25 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
goto err_lcd_clk;
}
- sfb->regs_res = request_mem_region(res->start, resource_size(res),
- dev_name(dev));
- if (!sfb->regs_res) {
- dev_err(dev, "failed to claim register region\n");
- ret = -ENOENT;
- goto err_lcd_clk;
- }
-
- sfb->regs = ioremap(res->start, resource_size(res));
+ sfb->regs = devm_request_and_ioremap(dev, res);
if (!sfb->regs) {
dev_err(dev, "failed to map registers\n");
ret = -ENXIO;
- goto err_req_region;
+ goto err_lcd_clk;
}
res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (!res) {
dev_err(dev, "failed to acquire irq resource\n");
ret = -ENOENT;
- goto err_ioremap;
+ goto err_lcd_clk;
}
sfb->irq_no = res->start;
- ret = request_irq(sfb->irq_no, s3c_fb_irq,
+ ret = devm_request_irq(dev, sfb->irq_no, s3c_fb_irq,
0, "s3c_fb", sfb);
if (ret) {
dev_err(dev, "irq request failed\n");
- goto err_ioremap;
+ goto err_lcd_clk;
}
dev_dbg(dev, "got resources (regs %p), probing windows\n", sfb->regs);
@@ -1444,6 +1459,14 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
writel(pd->vidcon1, sfb->regs + VIDCON1);
+ /* set video clock running at under-run */
+ if (sfb->variant.has_fixvclk) {
+ reg = readl(sfb->regs + VIDCON1);
+ reg &= ~VIDCON1_VCLK_MASK;
+ reg |= VIDCON1_VCLK_RUN;
+ writel(reg, sfb->regs + VIDCON1);
+ }
+
/* zero all windows before we do anything */
for (win = 0; win < fbdrv->variant.nr_windows; win++)
@@ -1484,13 +1507,6 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
err_pm_runtime:
pm_runtime_put_sync(sfb->dev);
- free_irq(sfb->irq_no, sfb);
-
-err_ioremap:
- iounmap(sfb->regs);
-
-err_req_region:
- release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res));
err_lcd_clk:
pm_runtime_disable(sfb->dev);
@@ -1505,7 +1521,6 @@ err_bus_clk:
clk_put(sfb->bus_clk);
err_sfb:
- kfree(sfb);
return ret;
}
@@ -1527,10 +1542,6 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
if (sfb->windows[win])
s3c_fb_release_win(sfb, sfb->windows[win]);
- free_irq(sfb->irq_no, sfb);
-
- iounmap(sfb->regs);
-
if (!sfb->variant.has_clksel) {
clk_disable(sfb->lcd_clk);
clk_put(sfb->lcd_clk);
@@ -1539,12 +1550,9 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
clk_disable(sfb->bus_clk);
clk_put(sfb->bus_clk);
- release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res));
-
pm_runtime_put_sync(sfb->dev);
pm_runtime_disable(sfb->dev);
- kfree(sfb);
return 0;
}
@@ -1579,6 +1587,7 @@ static int s3c_fb_resume(struct device *dev)
struct s3c_fb_platdata *pd = sfb->pdata;
struct s3c_fb_win *win;
int win_no;
+ u32 reg;
clk_enable(sfb->bus_clk);
@@ -1589,6 +1598,14 @@ static int s3c_fb_resume(struct device *dev)
pd->setup_gpio();
writel(pd->vidcon1, sfb->regs + VIDCON1);
+ /* set video clock running at under-run */
+ if (sfb->variant.has_fixvclk) {
+ reg = readl(sfb->regs + VIDCON1);
+ reg &= ~VIDCON1_VCLK_MASK;
+ reg |= VIDCON1_VCLK_RUN;
+ writel(reg, sfb->regs + VIDCON1);
+ }
+
/* zero all windows before we do anything */
for (win_no = 0; win_no < sfb->variant.nr_windows; win_no++)
s3c_fb_clear_win(sfb, win_no);
@@ -1819,6 +1836,7 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pc100 = {
},
.has_prtcon = 1,
+ .has_blendcon = 1,
.has_clksel = 1,
},
.win[0] = &s3c_fb_data_s5p_wins[0],
@@ -1850,7 +1868,9 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pv210 = {
},
.has_shadowcon = 1,
+ .has_blendcon = 1,
.has_clksel = 1,
+ .has_fixvclk = 1,
},
.win[0] = &s3c_fb_data_s5p_wins[0],
.win[1] = &s3c_fb_data_s5p_wins[1],
@@ -1881,6 +1901,39 @@ static struct s3c_fb_driverdata s3c_fb_data_exynos4 = {
},
.has_shadowcon = 1,
+ .has_blendcon = 1,
+ .has_fixvclk = 1,
+ },
+ .win[0] = &s3c_fb_data_s5p_wins[0],
+ .win[1] = &s3c_fb_data_s5p_wins[1],
+ .win[2] = &s3c_fb_data_s5p_wins[2],
+ .win[3] = &s3c_fb_data_s5p_wins[3],
+ .win[4] = &s3c_fb_data_s5p_wins[4],
+};
+
+static struct s3c_fb_driverdata s3c_fb_data_exynos5 = {
+ .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,
+ [1] = 0x2800,
+ [2] = 0x2c00,
+ [3] = 0x3000,
+ [4] = 0x3400,
+ },
+ .has_shadowcon = 1,
+ .has_blendcon = 1,
+ .has_fixvclk = 1,
},
.win[0] = &s3c_fb_data_s5p_wins[0],
.win[1] = &s3c_fb_data_s5p_wins[1],
@@ -1944,6 +1997,9 @@ static struct s3c_fb_driverdata s3c_fb_data_s5p64x0 = {
[1] = 0x2800,
[2] = 0x2c00,
},
+
+ .has_blendcon = 1,
+ .has_fixvclk = 1,
},
.win[0] = &s3c_fb_data_s5p_wins[0],
.win[1] = &s3c_fb_data_s5p_wins[1],
@@ -1964,6 +2020,9 @@ static struct platform_device_id s3c_fb_driver_ids[] = {
.name = "exynos4-fb",
.driver_data = (unsigned long)&s3c_fb_data_exynos4,
}, {
+ .name = "exynos5-fb",
+ .driver_data = (unsigned long)&s3c_fb_data_exynos5,
+ }, {
.name = "s3c2443-fb",
.driver_data = (unsigned long)&s3c_fb_data_s3c2443,
}, {