Merge commit 'v2.6.27-rc8' into x86/setup

1 files changed, 113 insertions, 39 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index d0746261c95..97204497d9f 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -30,6 +30,7 @@
 #include <linux/string.h>
 #include <linux/interrupt.h>
 #include <linux/slab.h>
+#include <linux/mm.h>
 #include <linux/fb.h>
 #include <linux/delay.h>
 #include <linux/init.h>
@@ -40,17 +41,18 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/completion.h>
+#include <linux/mutex.h>
 #include <linux/kthread.h>
 #include <linux/freezer.h>
 
-#include <asm/hardware.h>
+#include <mach/hardware.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/div64.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxa2xx-gpio.h>
-#include <asm/arch/bitfield.h>
-#include <asm/arch/pxafb.h>
+#include <mach/pxa-regs.h>
+#include <mach/pxa2xx-gpio.h>
+#include <mach/bitfield.h>
+#include <mach/pxafb.h>
 
 /*
  * Complain if VAR is out of range.
@@ -227,6 +229,22 @@ static int pxafb_bpp_to_lccr3(struct fb_var_screeninfo *var)
 	case 4:  ret = LCCR3_4BPP; break;
 	case 8:  ret = LCCR3_8BPP; break;
 	case 16: ret = LCCR3_16BPP; break;
+	case 24:
+		switch (var->red.length + var->green.length +
+				var->blue.length + var->transp.length) {
+		case 18: ret = LCCR3_18BPP_P | LCCR3_PDFOR_3; break;
+		case 19: ret = LCCR3_19BPP_P; break;
+		}
+		break;
+	case 32:
+		switch (var->red.length + var->green.length +
+				var->blue.length + var->transp.length) {
+		case 18: ret = LCCR3_18BPP | LCCR3_PDFOR_3; break;
+		case 19: ret = LCCR3_19BPP; break;
+		case 24: ret = LCCR3_24BPP | LCCR3_PDFOR_3; break;
+		case 25: ret = LCCR3_25BPP; break;
+		}
+		break;
 	}
 	return ret;
 }
@@ -345,6 +363,41 @@ static int pxafb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
 		var->green.offset = 5;  var->green.length = 6;
 		var->blue.offset  = 0;  var->blue.length  = 5;
 		var->transp.offset = var->transp.length = 0;
+	} else if (var->bits_per_pixel > 16) {
+		struct pxafb_mode_info *mode;
+
+		mode = pxafb_getmode(inf, var);
+		if (!mode)
+			return -EINVAL;
+
+		switch (mode->depth) {
+		case 18: /* RGB666 */
+			var->transp.offset = var->transp.length     = 0;
+			var->red.offset	   = 12; var->red.length    = 6;
+			var->green.offset  = 6;  var->green.length  = 6;
+			var->blue.offset   = 0;  var->blue.length   = 6;
+			break;
+		case 19: /* RGBT666 */
+			var->transp.offset = 18; var->transp.length = 1;
+			var->red.offset	   = 12; var->red.length    = 6;
+			var->green.offset  = 6;  var->green.length  = 6;
+			var->blue.offset   = 0;  var->blue.length   = 6;
+			break;
+		case 24: /* RGB888 */
+			var->transp.offset = var->transp.length     = 0;
+			var->red.offset	   = 16; var->red.length    = 8;
+			var->green.offset  = 8;  var->green.length  = 8;
+			var->blue.offset   = 0;  var->blue.length   = 8;
+			break;
+		case 25: /* RGBT888 */
+			var->transp.offset = 24; var->transp.length = 1;
+			var->red.offset	   = 16; var->red.length    = 8;
+			var->green.offset  = 8;  var->green.length  = 8;
+			var->blue.offset   = 0;  var->blue.length   = 8;
+			break;
+		default:
+			return -EINVAL;
+		}
 	} else {
 		var->red.offset = var->green.offset = 0;
 		var->blue.offset = var->transp.offset = 0;
@@ -376,7 +429,7 @@ static int pxafb_set_par(struct fb_info *info)
 	struct pxafb_info *fbi = (struct pxafb_info *)info;
 	struct fb_var_screeninfo *var = &info->var;
 
-	if (var->bits_per_pixel == 16)
+	if (var->bits_per_pixel >= 16)
 		fbi->fb.fix.visual = FB_VISUAL_TRUECOLOR;
 	else if (!fbi->cmap_static)
 		fbi->fb.fix.visual = FB_VISUAL_PSEUDOCOLOR;
@@ -391,7 +444,7 @@ static int pxafb_set_par(struct fb_info *info)
 
 	fbi->fb.fix.line_length = var->xres_virtual *
 				  var->bits_per_pixel / 8;
-	if (var->bits_per_pixel == 16)
+	if (var->bits_per_pixel >= 16)
 		fbi->palette_size = 0;
 	else
 		fbi->palette_size = var->bits_per_pixel == 1 ?
@@ -404,7 +457,7 @@ static int pxafb_set_par(struct fb_info *info)
 	 */
 	pxafb_set_truecolor(fbi->fb.fix.visual == FB_VISUAL_TRUECOLOR);
 
-	if (fbi->fb.var.bits_per_pixel == 16)
+	if (fbi->fb.var.bits_per_pixel >= 16)
 		fb_dealloc_cmap(&fbi->fb.cmap);
 	else
 		fb_alloc_cmap(&fbi->fb.cmap, 1<<fbi->fb.var.bits_per_pixel, 0);
@@ -831,6 +884,8 @@ static int pxafb_activate_var(struct fb_var_screeninfo *var,
 		case 4:
 		case 8:
 		case 16:
+		case 24:
+		case 32:
 			break;
 		default:
 			printk(KERN_ERR "%s: invalid bit depth %d\n",
@@ -968,10 +1023,17 @@ static void pxafb_setup_gpio(struct pxafb_info *fbi)
 
 	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);
-	pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
+
+	if ((lccr0 & LCCR0_PAS) == 0)
+		pxa_gpio_mode(GPIO77_LCD_ACBIAS_MD);
 }
 
 static void pxafb_enable_controller(struct pxafb_info *fbi)
@@ -1058,7 +1120,7 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
 {
 	u_int old_state;
 
-	down(&fbi->ctrlr_sem);
+	mutex_lock(&fbi->ctrlr_lock);
 
 	old_state = fbi->state;
 
@@ -1146,7 +1208,7 @@ static void set_ctrlr_state(struct pxafb_info *fbi, u_int state)
 		}
 		break;
 	}
-	up(&fbi->ctrlr_sem);
+	mutex_unlock(&fbi->ctrlr_lock);
 }
 
 /*
@@ -1276,7 +1338,7 @@ static int __devinit pxafb_map_video_memory(struct pxafb_info *fbi)
 		fbi->dma_buff_phys = fbi->map_dma;
 		fbi->palette_cpu = (u16 *) fbi->dma_buff->palette;
 
-	        pr_debug("pxafb: palette_mem_size = 0x%08lx\n", fbi->palette_size*sizeof(u16));
+	        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;
@@ -1340,6 +1402,8 @@ static void pxafb_decode_mach_info(struct pxafb_info *fbi,
 	if (lcd_conn == LCD_MONO_STN_8BPP)
 		fbi->lccr0 |= LCCR0_DPD;
 
+	fbi->lccr0 |= (lcd_conn & LCD_ALTERNATE_MAPPING) ? LCCR0_LDDALT : 0;
+
 	fbi->lccr3 = LCCR3_Acb((inf->lcd_conn >> 10) & 0xff);
 	fbi->lccr3 |= (lcd_conn & LCD_BIAS_ACTIVE_LOW) ? LCCR3_OEP : 0;
 	fbi->lccr3 |= (lcd_conn & LCD_PCLK_EDGE_FALL)  ? LCCR3_PCP : 0;
@@ -1399,7 +1463,7 @@ static struct pxafb_info * __devinit pxafb_init_fbinfo(struct device *dev)
 
 	init_waitqueue_head(&fbi->ctrlr_wait);
 	INIT_WORK(&fbi->task, pxafb_task);
-	init_MUTEX(&fbi->ctrlr_sem);
+	mutex_init(&fbi->ctrlr_lock);
 	init_completion(&fbi->disable_done);
 #ifdef CONFIG_FB_PXA_SMARTPANEL
 	init_completion(&fbi->command_done);
@@ -1613,53 +1677,63 @@ MODULE_PARM_DESC(options, "LCD parameters (see Documentation/fb/pxafb.txt)");
 #define pxafb_setup_options()		(0)
 #endif
 
-static int __devinit pxafb_probe(struct platform_device *dev)
-{
-	struct pxafb_info *fbi;
-	struct pxafb_mach_info *inf;
-	struct resource *r;
-	int irq, ret;
-
-	dev_dbg(&dev->dev, "pxafb_probe\n");
-
-	inf = dev->dev.platform_data;
-	ret = -ENOMEM;
-	fbi = NULL;
-	if (!inf)
-		goto failed;
-
-	ret = pxafb_parse_options(&dev->dev, g_options);
-	if (ret < 0)
-		goto failed;
-
 #ifdef DEBUG_VAR
-	/* Check for various illegal bit-combinations. Currently only
-	 * a warning is given. */
+/* Check for various illegal bit-combinations. Currently only
+ * a warning is given. */
+static void __devinit pxafb_check_options(struct device *dev,
+					  struct pxafb_mach_info *inf)
+{
+	if (inf->lcd_conn)
+		return;
 
 	if (inf->lccr0 & LCCR0_INVALID_CONFIG_MASK)
-		dev_warn(&dev->dev, "machine LCCR0 setting contains "
+		dev_warn(dev, "machine LCCR0 setting contains "
 				"illegal bits: %08x\n",
 			inf->lccr0 & LCCR0_INVALID_CONFIG_MASK);
 	if (inf->lccr3 & LCCR3_INVALID_CONFIG_MASK)
-		dev_warn(&dev->dev, "machine LCCR3 setting contains "
+		dev_warn(dev, "machine LCCR3 setting contains "
 				"illegal bits: %08x\n",
 			inf->lccr3 & LCCR3_INVALID_CONFIG_MASK);
 	if (inf->lccr0 & LCCR0_DPD &&
 	    ((inf->lccr0 & LCCR0_PAS) != LCCR0_Pas ||
 	     (inf->lccr0 & LCCR0_SDS) != LCCR0_Sngl ||
 	     (inf->lccr0 & LCCR0_CMS) != LCCR0_Mono))
-		dev_warn(&dev->dev, "Double Pixel Data (DPD) mode is "
+		dev_warn(dev, "Double Pixel Data (DPD) mode is "
 				"only valid in passive mono"
 				" single panel mode\n");
 	if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Act &&
 	    (inf->lccr0 & LCCR0_SDS) == LCCR0_Dual)
-		dev_warn(&dev->dev, "Dual panel only valid in passive mode\n");
+		dev_warn(dev, "Dual panel only valid in passive mode\n");
 	if ((inf->lccr0 & LCCR0_PAS) == LCCR0_Pas &&
 	     (inf->modes->upper_margin || inf->modes->lower_margin))
-		dev_warn(&dev->dev, "Upper and lower margins must be 0 in "
+		dev_warn(dev, "Upper and lower margins must be 0 in "
 				"passive mode\n");
+}
+#else
+#define pxafb_check_options(...)	do {} while (0)
 #endif
 
+static int __devinit pxafb_probe(struct platform_device *dev)
+{
+	struct pxafb_info *fbi;
+	struct pxafb_mach_info *inf;
+	struct resource *r;
+	int irq, ret;
+
+	dev_dbg(&dev->dev, "pxafb_probe\n");
+
+	inf = dev->dev.platform_data;
+	ret = -ENOMEM;
+	fbi = NULL;
+	if (!inf)
+		goto failed;
+
+	ret = pxafb_parse_options(&dev->dev, g_options);
+	if (ret < 0)
+		goto failed;
+
+	pxafb_check_options(&dev->dev, inf);
+
 	dev_dbg(&dev->dev, "got a %dx%dx%d LCD\n",
 			inf->modes->xres,
 			inf->modes->yres,