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Diffstat (limited to 'drivers/video/s3c-fb.c')
-rw-r--r--drivers/video/s3c-fb.c129
1 files changed, 100 insertions, 29 deletions
diff --git a/drivers/video/s3c-fb.c b/drivers/video/s3c-fb.c
index 6817d187d46..0352afa49a3 100644
--- a/drivers/video/s3c-fb.c
+++ b/drivers/video/s3c-fb.c
@@ -48,7 +48,7 @@
#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 */
@@ -182,6 +182,7 @@ 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.
@@ -195,6 +196,7 @@ struct s3c_fb_vsync {
* @vsync_info: VSYNC-related information (count, queues...)
*/
struct s3c_fb {
+ spinlock_t slock;
struct device *dev;
struct resource *regs_res;
struct clk *bus_clk;
@@ -300,6 +302,7 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var,
var->blue.length = 5;
break;
+ case 32:
case 28:
case 25:
var->transp.length = var->bits_per_pixel - 24;
@@ -308,7 +311,6 @@ static int s3c_fb_check_var(struct fb_var_screeninfo *var,
case 24:
/* our 24bpp is unpacked, so 32bpp */
var->bits_per_pixel = 32;
- case 32:
var->red.offset = 16;
var->red.length = 8;
var->green.offset = 8;
@@ -518,7 +520,7 @@ static int s3c_fb_set_par(struct fb_info *info)
data = VIDTCON2_LINEVAL(var->yres - 1) |
VIDTCON2_HOZVAL(var->xres - 1);
- writel(data, regs +sfb->variant.vidtcon + 8 );
+ writel(data, regs + sfb->variant.vidtcon + 8);
}
/* write the buffer address */
@@ -947,6 +949,8 @@ static irqreturn_t s3c_fb_irq(int irq, void *dev_id)
void __iomem *regs = sfb->regs;
u32 irq_sts_reg;
+ spin_lock(&sfb->slock);
+
irq_sts_reg = readl(regs + VIDINTCON1);
if (irq_sts_reg & VIDINTCON1_INT_FRAME) {
@@ -963,6 +967,7 @@ static irqreturn_t s3c_fb_irq(int irq, void *dev_id)
*/
s3c_fb_disable_irq(sfb);
+ spin_unlock(&sfb->slock);
return IRQ_HANDLED;
}
@@ -1304,6 +1309,7 @@ static void s3c_fb_clear_win(struct s3c_fb *sfb, int win)
static int __devinit s3c_fb_probe(struct platform_device *pdev)
{
+ const struct platform_device_id *platid;
struct s3c_fb_driverdata *fbdrv;
struct device *dev = &pdev->dev;
struct s3c_fb_platdata *pd;
@@ -1312,7 +1318,8 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
int win;
int ret = 0;
- fbdrv = (struct s3c_fb_driverdata *)platform_get_device_id(pdev)->driver_data;
+ platid = platform_get_device_id(pdev);
+ fbdrv = (struct s3c_fb_driverdata *)platid->driver_data;
if (fbdrv->variant.nr_windows > S3C_FB_MAX_WIN) {
dev_err(dev, "too many windows, cannot attach\n");
@@ -1337,6 +1344,8 @@ static int __devinit s3c_fb_probe(struct platform_device *pdev)
sfb->pdata = pd;
sfb->variant = fbdrv->variant;
+ spin_lock_init(&sfb->slock);
+
sfb->bus_clk = clk_get(dev, "lcd");
if (IS_ERR(sfb->bus_clk)) {
dev_err(dev, "failed to get bus clock\n");
@@ -1440,8 +1449,7 @@ err_ioremap:
iounmap(sfb->regs);
err_req_region:
- release_resource(sfb->regs_res);
- kfree(sfb->regs_res);
+ release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res));
err_clk:
clk_disable(sfb->bus_clk);
@@ -1477,8 +1485,7 @@ static int __devexit s3c_fb_remove(struct platform_device *pdev)
clk_disable(sfb->bus_clk);
clk_put(sfb->bus_clk);
- release_resource(sfb->regs_res);
- kfree(sfb->regs_res);
+ release_mem_region(sfb->regs_res->start, resource_size(sfb->regs_res));
kfree(sfb);
@@ -1519,7 +1526,8 @@ static int s3c_fb_resume(struct device *dev)
clk_enable(sfb->bus_clk);
- /* setup registers */
+ /* setup gpio and output polarity controls */
+ pd->setup_gpio();
writel(pd->vidcon1, sfb->regs + VIDCON1);
/* zero all windows before we do anything */
@@ -1547,7 +1555,7 @@ static int s3c_fb_resume(struct device *dev)
return 0;
}
-int s3c_fb_runtime_suspend(struct device *dev)
+static int s3c_fb_runtime_suspend(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
@@ -1567,7 +1575,7 @@ int s3c_fb_runtime_suspend(struct device *dev)
return 0;
}
-int s3c_fb_runtime_resume(struct device *dev)
+static int s3c_fb_runtime_resume(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct s3c_fb *sfb = platform_get_drvdata(pdev);
@@ -1577,7 +1585,8 @@ int s3c_fb_runtime_resume(struct device *dev)
clk_enable(sfb->bus_clk);
- /* setup registers */
+ /* setup gpio and output polarity controls */
+ pd->setup_gpio();
writel(pd->vidcon1, sfb->regs + VIDCON1);
/* zero all windows before we do anything */
@@ -1621,28 +1630,31 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] = {
.has_osd_c = 1,
.osd_size_off = 0x8,
.palette_sz = 256,
- .valid_bpp = VALID_BPP1248 | VALID_BPP(16) | VALID_BPP(24),
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(24)),
},
[1] = {
.has_osd_c = 1,
.has_osd_d = 1,
- .osd_size_off = 0x12,
+ .osd_size_off = 0xc,
.has_osd_alpha = 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(24) | VALID_BPP(25) |
+ VALID_BPP(28)),
},
[2] = {
.has_osd_c = 1,
.has_osd_d = 1,
- .osd_size_off = 0x12,
+ .osd_size_off = 0xc,
.has_osd_alpha = 1,
.palette_sz = 16,
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP1248 | VALID_BPP(16) |
VALID_BPP(18) | VALID_BPP(19) |
- VALID_BPP(24) | VALID_BPP(25)),
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(28)),
},
[3] = {
.has_osd_c = 1,
@@ -1651,7 +1663,8 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] = {
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP124 | VALID_BPP(16) |
VALID_BPP(18) | VALID_BPP(19) |
- VALID_BPP(24) | VALID_BPP(25)),
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(28)),
},
[4] = {
.has_osd_c = 1,
@@ -1660,7 +1673,65 @@ static struct s3c_fb_win_variant s3c_fb_data_64xx_wins[] = {
.palette_16bpp = 1,
.valid_bpp = (VALID_BPP(1) | VALID_BPP(2) |
VALID_BPP(16) | VALID_BPP(18) |
- VALID_BPP(24) | VALID_BPP(25)),
+ VALID_BPP(19) | VALID_BPP(24) |
+ VALID_BPP(25) | VALID_BPP(28)),
+ },
+};
+
+static struct s3c_fb_win_variant s3c_fb_data_s5p_wins[] = {
+ [0] = {
+ .has_osd_c = 1,
+ .osd_size_off = 0x8,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(13) |
+ VALID_BPP(15) | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(32)),
+ },
+ [1] = {
+ .has_osd_c = 1,
+ .has_osd_d = 1,
+ .osd_size_off = 0xc,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(13) |
+ VALID_BPP(15) | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(32)),
+ },
+ [2] = {
+ .has_osd_c = 1,
+ .has_osd_d = 1,
+ .osd_size_off = 0xc,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(13) |
+ VALID_BPP(15) | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(32)),
+ },
+ [3] = {
+ .has_osd_c = 1,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(13) |
+ VALID_BPP(15) | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(32)),
+ },
+ [4] = {
+ .has_osd_c = 1,
+ .has_osd_alpha = 1,
+ .palette_sz = 256,
+ .valid_bpp = (VALID_BPP1248 | VALID_BPP(13) |
+ VALID_BPP(15) | VALID_BPP(16) |
+ VALID_BPP(18) | VALID_BPP(19) |
+ VALID_BPP(24) | VALID_BPP(25) |
+ VALID_BPP(32)),
},
};
@@ -1717,11 +1788,11 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pc100 = {
.has_prtcon = 1,
},
- .win[0] = &s3c_fb_data_64xx_wins[0],
- .win[1] = &s3c_fb_data_64xx_wins[1],
- .win[2] = &s3c_fb_data_64xx_wins[2],
- .win[3] = &s3c_fb_data_64xx_wins[3],
- .win[4] = &s3c_fb_data_64xx_wins[4],
+ .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_s5pv210 = {
@@ -1747,11 +1818,11 @@ static struct s3c_fb_driverdata s3c_fb_data_s5pv210 = {
.has_shadowcon = 1,
},
- .win[0] = &s3c_fb_data_64xx_wins[0],
- .win[1] = &s3c_fb_data_64xx_wins[1],
- .win[2] = &s3c_fb_data_64xx_wins[2],
- .win[3] = &s3c_fb_data_64xx_wins[3],
- .win[4] = &s3c_fb_data_64xx_wins[4],
+ .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],
};
/* S3C2443/S3C2416 style hardware */
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-03-07 03:29:20 +0000