Merge branch 'common/fbdev' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6

4 files changed, 91 insertions, 12 deletions

diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index 3e5fc3bbf3ed..d695e43d3c6b 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -156,24 +156,34 @@ static struct platform_device nand_flash_device = {
 #define PORT_DRVCRA	0xA405018A
 #define PORT_DRVCRB	0xA405018C
 
+static int ap320_wvga_set_brightness(void *board_data, int brightness)
+{
+	if (brightness) {
+		gpio_set_value(GPIO_PTS3, 0);
+		__raw_writew(0x100, FPGA_BKLREG);
+	} else {
+		__raw_writew(0, FPGA_BKLREG);
+		gpio_set_value(GPIO_PTS3, 1);
+	}
+	
+	return 0;
+}
+
+static int ap320_wvga_get_brightness(void *board_data)
+{
+	return gpio_get_value(GPIO_PTS3);
+}
+
 static void ap320_wvga_power_on(void *board_data, struct fb_info *info)
 {
 	msleep(100);
 
 	/* ASD AP-320/325 LCD ON */
 	__raw_writew(FPGA_LCDREG_VAL, FPGA_LCDREG);
-
-	/* backlight */
-	gpio_set_value(GPIO_PTS3, 0);
-	__raw_writew(0x100, FPGA_BKLREG);
 }
 
 static void ap320_wvga_power_off(void *board_data)
 {
-	/* backlight */
-	__raw_writew(0, FPGA_BKLREG);
-	gpio_set_value(GPIO_PTS3, 1);
-
 	/* ASD AP-320/325 LCD OFF */
 	__raw_writew(0, FPGA_LCDREG);
 }
@@ -209,6 +219,12 @@ static struct sh_mobile_lcdc_info lcdc_info = {
 		.board_cfg = {
 			.display_on = ap320_wvga_power_on,
 			.display_off = ap320_wvga_power_off,
+			.set_brightness = ap320_wvga_set_brightness,
+			.get_brightness = ap320_wvga_get_brightness,
+		},
+		.bl_info = {
+			.name = "sh_mobile_lcdc_bl",
+			.max_brightness = 1,
 		},
 	}
 };
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index e44480ce2ea8..c68e2863bf86 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -263,6 +263,18 @@ const static struct fb_videomode ecovec_dvi_modes[] = {
 	},
 };
 
+static int ecovec24_set_brightness(void *board_data, int brightness)
+{
+	gpio_set_value(GPIO_PTR1, brightness);
+
+	return 0;
+}
+
+static int ecovec24_get_brightness(void *board_data)
+{
+	return gpio_get_value(GPIO_PTR1);
+}
+
 static struct sh_mobile_lcdc_info lcdc_info = {
 	.ch[0] = {
 		.interface_type = RGB18,
@@ -273,6 +285,12 @@ static struct sh_mobile_lcdc_info lcdc_info = {
 			.height = 91,
 		},
 		.board_cfg = {
+			.set_brightness = ecovec24_set_brightness,
+			.get_brightness = ecovec24_get_brightness,
+		},
+		.bl_info = {
+			.name = "sh_mobile_lcdc_bl",
+			.max_brightness = 1,
 		},
 	}
 };
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 757665bc500f..9bcc61b4ef14 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -643,7 +643,7 @@ static int sh_mobile_lcdc_start(struct sh_mobile_lcdc_priv *priv)
 			continue;
 
 		board_cfg = &ch->cfg.board_cfg;
-		if (try_module_get(board_cfg->owner) && board_cfg->display_on) {
+		if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
 			board_cfg->display_on(board_cfg->board_data, ch->info);
 			module_put(board_cfg->owner);
 		}
@@ -688,7 +688,7 @@ static void sh_mobile_lcdc_stop(struct sh_mobile_lcdc_priv *priv)
 		}
 
 		board_cfg = &ch->cfg.board_cfg;
-		if (try_module_get(board_cfg->owner) && board_cfg->display_off) {
+		if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
 			board_cfg->display_off(board_cfg->board_data);
 			module_put(board_cfg->owner);
 		}
@@ -1032,6 +1032,49 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
 	return 0;
 }
 
+/*
+ * Screen blanking. Behavior is as follows:
+ * FB_BLANK_UNBLANK: screen unblanked, clocks enabled
+ * FB_BLANK_NORMAL: screen blanked, clocks enabled
+ * FB_BLANK_VSYNC,
+ * FB_BLANK_HSYNC,
+ * FB_BLANK_POWEROFF: screen blanked, clocks disabled
+ */
+static int sh_mobile_lcdc_blank(int blank, struct fb_info *info)
+{
+	struct sh_mobile_lcdc_chan *ch = info->par;
+	struct sh_mobile_lcdc_priv *p = ch->lcdc;
+
+	/* blank the screen? */
+	if (blank > FB_BLANK_UNBLANK && ch->blank_status == FB_BLANK_UNBLANK) {
+		struct fb_fillrect rect = {
+			.width = info->var.xres,
+			.height = info->var.yres,
+		};
+		sh_mobile_lcdc_fillrect(info, &rect);
+	}
+	/* turn clocks on? */
+	if (blank <= FB_BLANK_NORMAL && ch->blank_status > FB_BLANK_NORMAL) {
+		sh_mobile_lcdc_clk_on(p);
+	}
+	/* turn clocks off? */
+	if (blank > FB_BLANK_NORMAL && ch->blank_status <= FB_BLANK_NORMAL) {
+		/* make sure the screen is updated with the black fill before
+		 * switching the clocks off. one vsync is not enough since
+		 * blanking may occur in the middle of a refresh. deferred io
+		 * mode will reenable the clocks and update the screen in time,
+		 * so it does not need this. */
+		if (!info->fbdefio) {
+			sh_mobile_wait_for_vsync(info);
+			sh_mobile_wait_for_vsync(info);
+		}
+		sh_mobile_lcdc_clk_off(p);
+	}
+
+	ch->blank_status = blank;
+	return 0;
+}
+
 static struct fb_ops sh_mobile_lcdc_ops = {
 	.owner          = THIS_MODULE,
 	.fb_setcolreg	= sh_mobile_lcdc_setcolreg,
@@ -1040,6 +1083,7 @@ static struct fb_ops sh_mobile_lcdc_ops = {
 	.fb_fillrect	= sh_mobile_lcdc_fillrect,
 	.fb_copyarea	= sh_mobile_lcdc_copyarea,
 	.fb_imageblit	= sh_mobile_lcdc_imageblit,
+	.fb_blank	= sh_mobile_lcdc_blank,
 	.fb_pan_display = sh_mobile_fb_pan_display,
 	.fb_ioctl       = sh_mobile_ioctl,
 	.fb_open	= sh_mobile_open,
@@ -1254,7 +1298,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
 
 	switch(action) {
 	case FB_EVENT_SUSPEND:
-		if (try_module_get(board_cfg->owner) && board_cfg->display_off) {
+		if (board_cfg->display_off && try_module_get(board_cfg->owner)) {
 			board_cfg->display_off(board_cfg->board_data);
 			module_put(board_cfg->owner);
 		}
@@ -1267,7 +1311,7 @@ static int sh_mobile_lcdc_notify(struct notifier_block *nb,
 		mutex_unlock(&ch->open_lock);
 
 		/* HDMI must be enabled before LCDC configuration */
-		if (try_module_get(board_cfg->owner) && board_cfg->display_on) {
+		if (board_cfg->display_on && try_module_get(board_cfg->owner)) {
 			board_cfg->display_on(board_cfg->board_data, info);
 			module_put(board_cfg->owner);
 		}
diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h
index 4635eed63eee..f16cb5645a13 100644
--- a/drivers/video/sh_mobile_lcdcfb.h
+++ b/drivers/video/sh_mobile_lcdcfb.h
@@ -37,6 +37,7 @@ struct sh_mobile_lcdc_chan {
 	struct completion vsync_completion;
 	struct fb_var_screeninfo display_var;
 	int use_count;
+	int blank_status;
 	struct mutex open_lock;		/* protects the use counter */
 };