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-rw-r--r--arch/sh/boards/mach-ap325rxa/setup.c32
-rw-r--r--arch/sh/boards/mach-ecovec24/setup.c18
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c52
-rw-r--r--drivers/video/sh_mobile_lcdcfb.h1
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 */
};
generated by cgit v1.2.3 (git 2.0.4) at 2024-05-13 16:52:36 +0000