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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2011-11-29 01:05:47 +0100
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2012-03-12 22:40:53 +0100
commite0c8601a18969229eb63065e5c3176319c785288 (patch)
tree7481ec5e0b4b2b8ca2454af71093682f4d8c48db
parentsh_mobile_hdmi: Use LCDC notification callback (diff)
downloadlinux-dev-e0c8601a18969229eb63065e5c3176319c785288.tar.xz
linux-dev-e0c8601a18969229eb63065e5c3176319c785288.zip
fbdev: sh_mobile_lcdc: Pass a video mode to the notify callback
Pass pointers to struct fb_videomode and struct fb_monspecs instead of struct fb_var_screeninfo to the notify callback. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
-rw-r--r--drivers/video/sh_mobile_hdmi.c59
-rw-r--r--drivers/video/sh_mobile_lcdcfb.c36
-rw-r--r--drivers/video/sh_mobile_lcdcfb.h3
3 files changed, 48 insertions, 50 deletions
diff --git a/drivers/video/sh_mobile_hdmi.c b/drivers/video/sh_mobile_hdmi.c
index 055cd92b85cf..261760949718 100644
--- a/drivers/video/sh_mobile_hdmi.c
+++ b/drivers/video/sh_mobile_hdmi.c
@@ -220,7 +220,7 @@ struct sh_hdmi {
struct clk *hdmi_clk;
struct device *dev;
struct delayed_work edid_work;
- struct fb_var_screeninfo var;
+ struct fb_videomode mode;
struct fb_monspecs monspec;
};
@@ -291,24 +291,24 @@ static struct snd_soc_codec_driver soc_codec_dev_sh_hdmi = {
/* External video parameter settings */
static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
{
- struct fb_var_screeninfo *var = &hdmi->var;
+ struct fb_videomode *mode = &hdmi->mode;
u16 htotal, hblank, hdelay, vtotal, vblank, vdelay, voffset;
u8 sync = 0;
- htotal = var->xres + var->right_margin + var->left_margin + var->hsync_len;
-
- hdelay = var->hsync_len + var->left_margin;
- hblank = var->right_margin + hdelay;
+ htotal = mode->xres + mode->right_margin + mode->left_margin
+ + mode->hsync_len;
+ hdelay = mode->hsync_len + mode->left_margin;
+ hblank = mode->right_margin + hdelay;
/*
* Vertical timing looks a bit different in Figure 18,
* but let's try the same first by setting offset = 0
*/
- vtotal = var->yres + var->upper_margin + var->lower_margin + var->vsync_len;
-
- vdelay = var->vsync_len + var->upper_margin;
- vblank = var->lower_margin + vdelay;
- voffset = min(var->upper_margin / 2, 6U);
+ vtotal = mode->yres + mode->upper_margin + mode->lower_margin
+ + mode->vsync_len;
+ vdelay = mode->vsync_len + mode->upper_margin;
+ vblank = mode->lower_margin + vdelay;
+ voffset = min(mode->upper_margin / 2, 6U);
/*
* [3]: VSYNC polarity: Positive
@@ -316,14 +316,14 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
* [1]: Interlace/Progressive: Progressive
* [0]: External video settings enable: used.
*/
- if (var->sync & FB_SYNC_HOR_HIGH_ACT)
+ if (mode->sync & FB_SYNC_HOR_HIGH_ACT)
sync |= 4;
- if (var->sync & FB_SYNC_VERT_HIGH_ACT)
+ if (mode->sync & FB_SYNC_VERT_HIGH_ACT)
sync |= 8;
dev_dbg(hdmi->dev, "H: %u, %u, %u, %u; V: %u, %u, %u, %u; sync 0x%x\n",
- htotal, hblank, hdelay, var->hsync_len,
- vtotal, vblank, vdelay, var->vsync_len, sync);
+ htotal, hblank, hdelay, mode->hsync_len,
+ vtotal, vblank, vdelay, mode->vsync_len, sync);
hdmi_write(hdmi, sync | (voffset << 4), HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
@@ -336,8 +336,8 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, hdelay, HDMI_EXTERNAL_H_DELAY_7_0);
hdmi_write(hdmi, hdelay >> 8, HDMI_EXTERNAL_H_DELAY_9_8);
- hdmi_write(hdmi, var->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
- hdmi_write(hdmi, var->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
+ hdmi_write(hdmi, mode->hsync_len, HDMI_EXTERNAL_H_DURATION_7_0);
+ hdmi_write(hdmi, mode->hsync_len >> 8, HDMI_EXTERNAL_H_DURATION_9_8);
hdmi_write(hdmi, vtotal, HDMI_EXTERNAL_V_TOTAL_7_0);
hdmi_write(hdmi, vtotal >> 8, HDMI_EXTERNAL_V_TOTAL_9_8);
@@ -346,7 +346,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
hdmi_write(hdmi, vdelay, HDMI_EXTERNAL_V_DELAY);
- hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
+ hdmi_write(hdmi, mode->vsync_len, HDMI_EXTERNAL_V_DURATION);
/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
if (!hdmi->preprogrammed_vic)
@@ -473,7 +473,7 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
*/
static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
{
- if (hdmi->var.pixclock < 10000) {
+ if (hdmi->mode.pixclock < 10000) {
/* for 1080p8bit 148MHz */
hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
@@ -484,7 +484,7 @@ static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
- } else if (hdmi->var.pixclock < 30000) {
+ } else if (hdmi->mode.pixclock < 30000) {
/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
/*
* [1:0] Speed_A
@@ -735,7 +735,6 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
{
struct sh_mobile_lcdc_chan *ch = hdmi->entity.lcdc;
struct fb_info *info = ch ? ch->info : NULL;
- struct fb_var_screeninfo var;
const struct fb_videomode *mode, *found = NULL;
const struct fb_modelist *modelist = NULL;
unsigned int f_width = 0, f_height = 0, f_refresh = 0;
@@ -855,10 +854,9 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
}
/* Check if supported: sufficient fb memory, supported clock-rate */
- fb_videomode_to_var(&var, mode);
-
if (ch && ch->notify &&
- ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, &var)) {
+ ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_MODE, mode,
+ NULL)) {
scanning = true;
preferred_bad = true;
continue;
@@ -868,9 +866,6 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
found_rate_error = rate_error;
}
- hdmi->var.width = hdmi->monspec.max_x * 10;
- hdmi->var.height = hdmi->monspec.max_y * 10;
-
/*
* TODO 1: if no ->info is present, postpone running the config until
* after ->info first gets registered.
@@ -916,7 +911,7 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
found->xres, found->yres, found->refresh,
PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
- fb_videomode_to_var(&hdmi->var, found);
+ hdmi->mode = *found;
sh_hdmi_external_video_param(hdmi);
return 0;
@@ -1017,9 +1012,9 @@ static int sh_hdmi_display_on(struct sh_mobile_lcdc_entity *entity)
hdmi_write(hdmi, 0x80, HDMI_SYSTEM_CTRL);
dev_dbg(hdmi->dev, "HDMI running\n");
break;
- case HDMI_HOTPLUG_DISCONNECTED:
default:
- hdmi->var = ch->display_var;
+ fb_var_to_videomode(&hdmi->mode, &ch->display_var);
+ break;
}
return hdmi->hp_state == HDMI_HOTPLUG_DISCONNECTED
@@ -1107,7 +1102,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
if (ch && ch->notify)
ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_CONNECT,
- &hdmi->var);
+ &hdmi->mode, &hdmi->monspec);
} else {
hdmi->monspec.modedb_len = 0;
fb_destroy_modedb(hdmi->monspec.modedb);
@@ -1115,7 +1110,7 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
if (ch && ch->notify)
ch->notify(ch, SH_MOBILE_LCDC_EVENT_DISPLAY_DISCONNECT,
- NULL);
+ NULL, NULL);
ret = 0;
}
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index 128eb7793a60..d3299ff543b1 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -366,28 +366,23 @@ static void sh_mobile_lcdc_display_off(struct sh_mobile_lcdc_chan *ch)
static bool
sh_mobile_lcdc_must_reconfigure(struct sh_mobile_lcdc_chan *ch,
- const struct fb_var_screeninfo *new_var)
+ const struct fb_videomode *new_mode)
{
struct fb_var_screeninfo *old_var = &ch->display_var;
struct fb_videomode old_mode;
- struct fb_videomode new_mode;
fb_var_to_videomode(&old_mode, old_var);
- fb_var_to_videomode(&new_mode, new_var);
dev_dbg(ch->info->dev, "Old %ux%u, new %ux%u\n",
- old_mode.xres, old_mode.yres, new_mode.xres, new_mode.yres);
+ old_mode.xres, old_mode.yres, new_mode->xres, new_mode->yres);
- if (fb_mode_is_equal(&old_mode, &new_mode)) {
- /* It can be a different monitor with an equal video-mode */
- old_var->width = new_var->width;
- old_var->height = new_var->height;
+ /* It can be a different monitor with an equal video-mode */
+ if (fb_mode_is_equal(&old_mode, new_mode))
return false;
- }
dev_dbg(ch->info->dev, "Switching %u -> %u lines\n",
- old_mode.yres, new_mode.yres);
- *old_var = *new_var;
+ old_mode.yres, new_mode->yres);
+ fb_videomode_to_var(old_var, new_mode);
return true;
}
@@ -397,9 +392,11 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var,
static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
enum sh_mobile_lcdc_entity_event event,
- struct fb_var_screeninfo *var)
+ const struct fb_videomode *mode,
+ const struct fb_monspecs *monspec)
{
struct fb_info *info = ch->info;
+ struct fb_var_screeninfo var;
int ret = 0;
switch (event) {
@@ -408,14 +405,17 @@ static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
if (lock_fb_info(info)) {
console_lock();
- if (!sh_mobile_lcdc_must_reconfigure(ch, var) &&
+ ch->display_var.width = monspec->max_x * 10;
+ ch->display_var.height = monspec->max_y * 10;
+
+ if (!sh_mobile_lcdc_must_reconfigure(ch, mode) &&
info->state == FBINFO_STATE_RUNNING) {
/* First activation with the default monitor.
* Just turn on, if we run a resume here, the
* logo disappears.
*/
- info->var.width = var->width;
- info->var.height = var->height;
+ info->var.width = monspec->max_x * 10;
+ info->var.height = monspec->max_y * 10;
sh_mobile_lcdc_display_on(ch);
} else {
/* New monitor or have to wake up */
@@ -439,8 +439,10 @@ static int sh_mobile_lcdc_display_notify(struct sh_mobile_lcdc_chan *ch,
case SH_MOBILE_LCDC_EVENT_DISPLAY_MODE:
/* Validate a proposed new mode */
- var->bits_per_pixel = info->var.bits_per_pixel;
- ret = sh_mobile_check_var(var, info);
+ fb_videomode_to_var(&var, mode);
+ var.bits_per_pixel = info->var.bits_per_pixel;
+ var.grayscale = info->var.grayscale;
+ ret = sh_mobile_check_var(&var, info);
break;
}
diff --git a/drivers/video/sh_mobile_lcdcfb.h b/drivers/video/sh_mobile_lcdcfb.h
index e2eb7af438f7..10086ae2c5ea 100644
--- a/drivers/video/sh_mobile_lcdcfb.h
+++ b/drivers/video/sh_mobile_lcdcfb.h
@@ -79,7 +79,8 @@ struct sh_mobile_lcdc_chan {
int (*notify)(struct sh_mobile_lcdc_chan *ch,
enum sh_mobile_lcdc_entity_event event,
- struct fb_var_screeninfo *var);
+ const struct fb_videomode *mode,
+ const struct fb_monspecs *monspec);
};
#endif