summaryrefslogtreecommitdiffstats
path: root/drivers/video/pxafb.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r--drivers/video/pxafb.c102
1 files changed, 29 insertions, 73 deletions
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index afe7a65c5603..d0fd22e06737 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -50,7 +50,6 @@
#include <asm/irq.h>
#include <asm/div64.h>
#include <mach/pxa-regs.h>
-#include <mach/pxa2xx-gpio.h>
#include <mach/bitfield.h>
#include <mach/pxafb.h>
@@ -724,12 +723,19 @@ int pxafb_smart_queue(struct fb_info *info, uint16_t *cmds, int n_cmds)
int i;
struct pxafb_info *fbi = container_of(info, struct pxafb_info, fb);
- /* leave 2 commands for INTERRUPT and WAIT_FOR_SYNC */
- for (i = 0; i < n_cmds; i++) {
+ for (i = 0; i < n_cmds; i++, cmds++) {
+ /* if it is a software delay, flush and delay */
+ if ((*cmds & 0xff00) == SMART_CMD_DELAY) {
+ pxafb_smart_flush(info);
+ mdelay(*cmds & 0xff);
+ continue;
+ }
+
+ /* leave 2 commands for INTERRUPT and WAIT_FOR_SYNC */
if (fbi->n_smart_cmds == CMD_BUFF_SIZE - 8)
pxafb_smart_flush(info);
- fbi->smart_cmds[fbi->n_smart_cmds++] = *cmds++;
+ fbi->smart_cmds[fbi->n_smart_cmds++] = *cmds;
}
return 0;
@@ -761,7 +767,9 @@ static void setup_smart_timing(struct pxafb_info *fbi,
LCCR1_HorSnchWdth(__smart_timing(t3, lclk));
fbi->reg_lccr2 = LCCR2_DisHght(var->yres);
- fbi->reg_lccr3 = LCCR3_PixClkDiv(__smart_timing(t4, lclk));
+ fbi->reg_lccr3 = fbi->lccr3 | LCCR3_PixClkDiv(__smart_timing(t4, lclk));
+ fbi->reg_lccr3 |= (var->sync & FB_SYNC_HOR_HIGH_ACT) ? LCCR3_HSP : 0;
+ fbi->reg_lccr3 |= (var->sync & FB_SYNC_VERT_HIGH_ACT) ? LCCR3_VSP : 0;
/* FIXME: make this configurable */
fbi->reg_cmdcr = 1;
@@ -786,11 +794,15 @@ static int pxafb_smart_thread(void *arg)
if (try_to_freeze())
continue;
+ mutex_lock(&fbi->ctrlr_lock);
+
if (fbi->state == C_ENABLE) {
inf->smart_update(&fbi->fb);
complete(&fbi->refresh_done);
}
+ mutex_unlock(&fbi->ctrlr_lock);
+
set_current_state(TASK_INTERRUPTIBLE);
schedule_timeout(30 * HZ / 1000);
}
@@ -801,14 +813,19 @@ static int pxafb_smart_thread(void *arg)
static int pxafb_smart_init(struct pxafb_info *fbi)
{
- if (!(fbi->lccr0 | LCCR0_LCDT))
+ if (!(fbi->lccr0 & LCCR0_LCDT))
return 0;
+ fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
+ fbi->n_smart_cmds = 0;
+
+ init_completion(&fbi->command_done);
+ init_completion(&fbi->refresh_done);
+
fbi->smart_thread = kthread_run(pxafb_smart_thread, fbi,
"lcd_refresh");
if (IS_ERR(fbi->smart_thread)) {
- printk(KERN_ERR "%s: unable to create kernel thread\n",
- __func__);
+ pr_err("%s: unable to create kernel thread\n", __func__);
return PTR_ERR(fbi->smart_thread);
}
@@ -824,7 +841,9 @@ int pxafb_smart_flush(struct fb_info *info)
{
return 0;
}
-#endif /* CONFIG_FB_SMART_PANEL */
+
+static inline int pxafb_smart_init(struct pxafb_info *fbi) { return 0; }
+#endif /* CONFIG_FB_PXA_SMARTPANEL */
static void setup_parallel_timing(struct pxafb_info *fbi,
struct fb_var_screeninfo *var)
@@ -986,57 +1005,6 @@ static inline void __pxafb_lcd_power(struct pxafb_info *fbi, int on)
fbi->lcd_power(on, &fbi->fb.var);
}
-static void pxafb_setup_gpio(struct pxafb_info *fbi)
-{
- int gpio, ldd_bits;
- unsigned int lccr0 = fbi->lccr0;
-
- /*
- * setup is based on type of panel supported
- */
-
- /* 4 bit interface */
- if ((lccr0 & LCCR0_CMS) == LCCR0_Mono &&
- (lccr0 & LCCR0_SDS) == LCCR0_Sngl &&
- (lccr0 & LCCR0_DPD) == LCCR0_4PixMono)
- ldd_bits = 4;
-
- /* 8 bit interface */
- else if (((lccr0 & LCCR0_CMS) == LCCR0_Mono &&
- ((lccr0 & LCCR0_SDS) == LCCR0_Dual ||
- (lccr0 & LCCR0_DPD) == LCCR0_8PixMono)) ||
- ((lccr0 & LCCR0_CMS) == LCCR0_Color &&
- (lccr0 & LCCR0_PAS) == LCCR0_Pas &&
- (lccr0 & LCCR0_SDS) == LCCR0_Sngl))
- ldd_bits = 8;
-
- /* 16 bit interface */
- else if ((lccr0 & LCCR0_CMS) == LCCR0_Color &&
- ((lccr0 & LCCR0_SDS) == LCCR0_Dual ||
- (lccr0 & LCCR0_PAS) == LCCR0_Act))
- ldd_bits = 16;
-
- else {
- printk(KERN_ERR "pxafb_setup_gpio: unable to determine "
- "bits per pixel\n");
- return;
- }
-
- for (gpio = 58; ldd_bits; gpio++, ldd_bits--)
- pxa_gpio_mode(gpio | GPIO_ALT_FN_2_OUT);
- /* 18 bit interface */
- if (fbi->fb.var.bits_per_pixel > 16) {
- pxa_gpio_mode(86 | GPIO_ALT_FN_2_OUT);
- pxa_gpio_mode(87 | GPIO_ALT_FN_2_OUT);
- }
- pxa_gpio_mode(GPIO74_LCD_FCLK_MD);
- pxa_gpio_mode(GPIO75_LCD_LCLK_MD);
- pxa_gpio_mode(GPIO76_LCD_PCLK_MD);
-
- if ((lccr0 & LCCR0_PAS) == 0)
- pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
-}
-
static void pxafb_enable_controller(struct pxafb_info *fbi)
{
pr_debug("pxafb: Enabling LCD controller\n");
@@ -1179,7 +1147,6 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
if (old_state == C_ENABLE) {
__pxafb_lcd_power(fbi, 0);
pxafb_disable_controller(fbi);
- pxafb_setup_gpio(fbi);
pxafb_enable_controller(fbi);
__pxafb_lcd_power(fbi, 1);
}
@@ -1202,7 +1169,6 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
*/
if (old_state != C_ENABLE) {
fbi->state = C_ENABLE;
- pxafb_setup_gpio(fbi);
pxafb_enable_controller(fbi);
__pxafb_lcd_power(fbi, 1);
__pxafb_backlight_power(fbi, 1);
@@ -1340,11 +1306,6 @@ static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
pr_debug("pxafb: palette_mem_size = 0x%08x\n", fbi->palette_size*sizeof(u16));
-
-#ifdef CONFIG_FB_PXA_SMARTPANEL
- fbi->smart_cmds = (uint16_t *) fbi->dma_buff->cmd_buff;
- fbi->n_smart_cmds = 0;
-#endif
}
return fbi->map_cpu ? 0 : -ENOMEM;
@@ -1466,10 +1427,6 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
INIT_WORK(&fbi->task, pxafb_task);
mutex_init(&fbi->ctrlr_lock);
init_completion(&fbi->disable_done);
-#ifdef CONFIG_FB_PXA_SMARTPANEL
- init_completion(&fbi->command_done);
- init_completion(&fbi->refresh_done);
-#endif
return fbi;
}
@@ -1801,13 +1758,12 @@ static int __devinit pxafb_probe(struct platform_device *dev)
goto failed_free_mem;
}
-#ifdef CONFIG_FB_PXA_SMARTPANEL
ret = pxafb_smart_init(fbi);
if (ret) {
dev_err(&dev->dev, "failed to initialize smartpanel\n");
goto failed_free_irq;
}
-#endif
+
/*
* This makes sure that our colour bitfield
* descriptors are correctly initialised.
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-10 09:38:19 +0000