diff options
author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-12-23 18:06:37 +0000 |
---|---|---|
committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-12-23 18:06:37 +0000 |
commit | 40321fd21c1eb1fb1886eea73b5f87c5e41ff2fb (patch) | |
tree | 0d949c487ba15c4c8198a69cd7b8c0cdb5773af4 /drivers/video/pxafb.c | |
parent | d83a12a40915774332cec625856c2e7ba9033e15 (diff) | |
parent | 3b24f30c4f678cfab5c6d090af9559fefa37cc41 (diff) |
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into devel
Conflicts:
arch/arm/mach-pxa/am200epd.c
arch/arm/mach-pxa/ezx.c
Diffstat (limited to 'drivers/video/pxafb.c')
-rw-r--r-- | drivers/video/pxafb.c | 102 |
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. |