Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...

[linux-2.6-omap-h63xx.git] / drivers / video / pxafb.c

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index afe7a65c5603b1a88c4555edd559f47f50a10ed2..d0fd22e06737cedc4a3e05582315988c897120b9 100644 (file)
--- 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.