forked from Minki/linux
Merge branch 'common/fbdev' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
This commit is contained in:
Paul Mundt
commit
12ddf37444
@ -209,7 +209,8 @@ enum hotplug_state {
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struct sh_hdmi {
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void __iomem *base;
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enum hotplug_state hp_state; /* hot-plug status */
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bool preprogrammed_mode; /* use a pre-programmed VIC or the external mode */
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u8 preprogrammed_vic; /* use a pre-programmed VIC or
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the external mode */
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struct clk *hdmi_clk;
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struct device *dev;
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struct fb_info *info;
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@ -342,7 +343,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
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hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);
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/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
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if (!hdmi->preprogrammed_mode)
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if (!hdmi->preprogrammed_vic)
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hdmi_write(hdmi, sync | 1 | (voffset << 4),
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HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
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}
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@ -466,7 +467,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
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*/
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static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
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{
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if (hdmi->var.yres > 480) {
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if (hdmi->var.pixclock < 10000) {
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/* for 1080p8bit 148MHz */
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hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
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hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
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hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
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hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
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hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
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hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
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hdmi_write(hdmi, 0x0e, HDMI_SLIPHDMIT_PARAM_SETTINGS_8);
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hdmi_write(hdmi, 0x25, HDMI_SLIPHDMIT_PARAM_SETTINGS_9);
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hdmi_write(hdmi, 0x04, HDMI_SLIPHDMIT_PARAM_SETTINGS_10);
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} else if (hdmi->var.pixclock < 30000) {
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/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
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/*
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* [1:0] Speed_A
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@ -565,13 +577,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
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hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);
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/*
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* VIC = 1280 x 720p: ignored if external config is used
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* Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
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* VIC should be ignored if external config is used, so, we could just use 0,
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* but play safe and use a valid value in any case just in case
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*/
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if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
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vic = 16;
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else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
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vic = 2;
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if (hdmi->preprogrammed_vic)
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vic = hdmi->preprogrammed_vic;
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else
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vic = 4;
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hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
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@ -685,11 +695,21 @@ static void sh_hdmi_configure(struct sh_hdmi *hdmi)
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}
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static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
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const struct fb_videomode *mode)
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const struct fb_videomode *mode,
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unsigned long *hdmi_rate, unsigned long *parent_rate)
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{
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long target = PICOS2KHZ(mode->pixclock) * 1000,
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rate = clk_round_rate(hdmi->hdmi_clk, target);
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unsigned long rate_error = rate > 0 ? abs(rate - target) : ULONG_MAX;
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unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error;
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struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;
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*hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target);
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if ((long)*hdmi_rate < 0)
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*hdmi_rate = clk_get_rate(hdmi->hdmi_clk);
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rate_error = (long)*hdmi_rate > 0 ? abs(*hdmi_rate - target) : ULONG_MAX;
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if (rate_error && pdata->clk_optimize_parent)
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rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate);
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else if (clk_get_parent(hdmi->hdmi_clk))
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*parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk));
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dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
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mode->left_margin, mode->xres,
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@ -697,14 +717,15 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
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mode->upper_margin, mode->yres,
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mode->lower_margin, mode->vsync_len);
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dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz\n", target,
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rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
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mode->refresh);
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dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target,
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rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
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mode->refresh, *parent_rate);
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return rate_error;
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}
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static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
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static int sh_hdmi_read_edid(struct sh_hdmi *hdmi, unsigned long *hdmi_rate,
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unsigned long *parent_rate)
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{
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struct fb_var_screeninfo tmpvar;
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struct fb_var_screeninfo *var = &tmpvar;
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@ -754,11 +775,14 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
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for (i = 0, mode = hdmi->monspec.modedb;
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f_width && f_height && i < hdmi->monspec.modedb_len && !exact_match;
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i++, mode++) {
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unsigned long rate_error = sh_hdmi_rate_error(hdmi, mode);
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unsigned long rate_error;
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/* No interest in unmatching modes */
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if (f_width != mode->xres || f_height != mode->yres)
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continue;
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rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate);
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if (f_refresh == mode->refresh || (!f_refresh && !rate_error))
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/*
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* Exact match if either the refresh rate matches or it
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@ -802,7 +826,7 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
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if (modelist) {
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found = &modelist->mode;
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found_rate_error = sh_hdmi_rate_error(hdmi, found);
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found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate);
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}
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}
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@ -810,16 +834,27 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
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if (!found)
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return -ENXIO;
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dev_info(hdmi->dev, "Using %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
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modelist ? "default" : "EDID", found->xres, found->yres,
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found->refresh, PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
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if ((found->xres == 720 && found->yres == 480) ||
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(found->xres == 1280 && found->yres == 720) ||
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(found->xres == 1920 && found->yres == 1080))
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hdmi->preprogrammed_mode = true;
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if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
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hdmi->preprogrammed_vic = 1;
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else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
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hdmi->preprogrammed_vic = 2;
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else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
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hdmi->preprogrammed_vic = 17;
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else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
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hdmi->preprogrammed_vic = 4;
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else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
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hdmi->preprogrammed_vic = 32;
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else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
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hdmi->preprogrammed_vic = 31;
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else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
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hdmi->preprogrammed_vic = 16;
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else
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hdmi->preprogrammed_mode = false;
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hdmi->preprogrammed_vic = 0;
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dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
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modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
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found->xres, found->yres, found->refresh,
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PICOS2KHZ(found->pixclock) * 1000, found_rate_error);
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fb_videomode_to_var(&hdmi->var, found);
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sh_hdmi_external_video_param(hdmi);
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@ -972,39 +1007,37 @@ static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
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/**
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* sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
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* @hdmi: driver context
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* @pixclock: pixel clock period in picoseconds
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* return: configured positive rate if successful
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* 0 if couldn't set the rate, but managed to enable the clock
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* negative error, if couldn't enable the clock
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* @hdmi: driver context
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* @hdmi_rate: HDMI clock frequency in Hz
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* @parent_rate: if != 0 - set parent clock rate for optimal precision
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* return: configured positive rate if successful
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* 0 if couldn't set the rate, but managed to enable the
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* clock, negative error, if couldn't enable the clock
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*/
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static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long pixclock)
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static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
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unsigned long parent_rate)
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{
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long rate;
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int ret;
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rate = PICOS2KHZ(pixclock) * 1000;
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rate = clk_round_rate(hdmi->hdmi_clk, rate);
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if (rate > 0) {
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ret = clk_set_rate(hdmi->hdmi_clk, rate);
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if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) {
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ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate);
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if (ret < 0) {
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dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", rate, ret);
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rate = 0;
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dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret);
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hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate);
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} else {
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dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", rate);
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dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate);
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}
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} else {
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rate = 0;
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dev_warn(hdmi->dev, "Cannot get suitable rate: %ld\n", rate);
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}
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ret = clk_enable(hdmi->hdmi_clk);
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ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate);
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if (ret < 0) {
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dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
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return ret;
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dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret);
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hdmi_rate = 0;
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} else {
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dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate);
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}
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return rate;
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return hdmi_rate;
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}
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/* Hotplug interrupt occurred, read EDID */
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@ -1024,16 +1057,17 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
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mutex_lock(&hdmi->mutex);
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if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
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unsigned long parent_rate = 0, hdmi_rate;
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/* A device has been plugged in */
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pm_runtime_get_sync(hdmi->dev);
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ret = sh_hdmi_read_edid(hdmi);
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ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate);
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if (ret < 0)
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goto out;
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/* Reconfigure the clock */
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clk_disable(hdmi->hdmi_clk);
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ret = sh_hdmi_clk_configure(hdmi, hdmi->var.pixclock);
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ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate);
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if (ret < 0)
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goto out;
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@ -1071,6 +1105,10 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
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if (!hdmi->info)
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goto out;
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hdmi->monspec.modedb_len = 0;
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fb_destroy_modedb(hdmi->monspec.modedb);
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hdmi->monspec.modedb = NULL;
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acquire_console_sem();
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/* HDMI disconnect */
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@ -1078,7 +1116,6 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
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release_console_sem();
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pm_runtime_put(hdmi->dev);
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fb_destroy_modedb(hdmi->monspec.modedb);
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}
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out:
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@ -1163,13 +1200,22 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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goto egetclk;
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}
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/* Some arbitrary relaxed pixclock just to get things started */
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rate = sh_hdmi_clk_configure(hdmi, 37037);
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/* An arbitrary relaxed pixclock just to get things started: from standard 480p */
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rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037));
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if (rate > 0)
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rate = sh_hdmi_clk_configure(hdmi, rate, 0);
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if (rate < 0) {
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ret = rate;
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goto erate;
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}
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ret = clk_enable(hdmi->hdmi_clk);
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if (ret < 0) {
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dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
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goto erate;
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}
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dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);
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if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
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@ -1187,10 +1233,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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platform_set_drvdata(pdev, hdmi);
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/* Product and revision IDs are 0 in sh-mobile version */
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dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
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hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
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/* Set up LCDC callbacks */
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board_cfg = &pdata->lcd_chan->board_cfg;
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board_cfg->owner = THIS_MODULE;
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@ -1203,6 +1245,10 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
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pm_runtime_enable(&pdev->dev);
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pm_runtime_resume(&pdev->dev);
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|
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/* Product and revision IDs are 0 in sh-mobile version */
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dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
|
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hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));
|
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|
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ret = request_irq(irq, sh_hdmi_hotplug, 0,
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dev_name(&pdev->dev), hdmi);
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if (ret < 0) {
|
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|
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@ -54,8 +54,8 @@ static int lcdc_shared_regs[] = {
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};
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#define NR_SHARED_REGS ARRAY_SIZE(lcdc_shared_regs)
|
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|
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#define DEFAULT_XRES 1280
|
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#define DEFAULT_YRES 1024
|
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#define MAX_XRES 1920
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#define MAX_YRES 1080
|
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|
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static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
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[LDDCKPAT1R] = 0x400,
|
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@ -115,15 +115,16 @@ static const struct fb_videomode default_720p = {
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.xres = 1280,
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.yres = 720,
|
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|
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.left_margin = 200,
|
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.right_margin = 88,
|
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.hsync_len = 48,
|
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.left_margin = 220,
|
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.right_margin = 110,
|
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.hsync_len = 40,
|
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|
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.upper_margin = 20,
|
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.lower_margin = 5,
|
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.vsync_len = 5,
|
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|
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.pixclock = 13468,
|
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.refresh = 60,
|
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.sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
|
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};
|
||||
|
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@ -913,22 +914,12 @@ static int sh_mobile_check_var(struct fb_var_screeninfo *var, struct fb_info *in
|
||||
{
|
||||
struct sh_mobile_lcdc_chan *ch = info->par;
|
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|
||||
if (var->xres < 160 || var->xres > 1920 ||
|
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var->yres < 120 || var->yres > 1080 ||
|
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var->left_margin < 32 || var->left_margin > 320 ||
|
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var->right_margin < 12 || var->right_margin > 240 ||
|
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var->upper_margin < 12 || var->upper_margin > 120 ||
|
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var->lower_margin < 1 || var->lower_margin > 64 ||
|
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var->hsync_len < 32 || var->hsync_len > 240 ||
|
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var->vsync_len < 2 || var->vsync_len > 64 ||
|
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var->pixclock < 6000 || var->pixclock > 40000 ||
|
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if (var->xres > MAX_XRES || var->yres > MAX_YRES ||
|
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var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) {
|
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dev_warn(info->dev, "Invalid info: %u %u %u %u %u %u %u %u %u!\n",
|
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var->xres, var->yres,
|
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var->left_margin, var->right_margin,
|
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var->upper_margin, var->lower_margin,
|
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var->hsync_len, var->vsync_len,
|
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var->pixclock);
|
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dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %lukHz!\n",
|
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var->left_margin, var->xres, var->right_margin, var->hsync_len,
|
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var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
|
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PICOS2KHZ(var->pixclock));
|
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return -EINVAL;
|
||||
}
|
||||
return 0;
|
||||
@ -1197,6 +1188,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
|
||||
const struct fb_videomode *mode = cfg->lcd_cfg;
|
||||
unsigned long max_size = 0;
|
||||
int k;
|
||||
int num_cfg;
|
||||
|
||||
ch->info = framebuffer_alloc(0, &pdev->dev);
|
||||
if (!ch->info) {
|
||||
@ -1224,7 +1216,7 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
|
||||
}
|
||||
|
||||
if (!mode)
|
||||
max_size = DEFAULT_XRES * DEFAULT_YRES;
|
||||
max_size = MAX_XRES * MAX_YRES;
|
||||
else if (max_cfg)
|
||||
dev_dbg(&pdev->dev, "Found largest videomode %ux%u\n",
|
||||
max_cfg->xres, max_cfg->yres);
|
||||
@ -1232,8 +1224,14 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
|
||||
info->fix = sh_mobile_lcdc_fix;
|
||||
info->fix.smem_len = max_size * (cfg->bpp / 8) * 2;
|
||||
|
||||
if (!mode)
|
||||
if (!mode) {
|
||||
mode = &default_720p;
|
||||
num_cfg = 1;
|
||||
} else {
|
||||
num_cfg = ch->cfg.num_cfg;
|
||||
}
|
||||
|
||||
fb_videomode_to_modelist(mode, num_cfg, &info->modelist);
|
||||
|
||||
fb_videomode_to_var(var, mode);
|
||||
/* Default Y virtual resolution is 2x panel size */
|
||||
@ -1281,10 +1279,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
|
||||
|
||||
for (i = 0; i < j; i++) {
|
||||
struct sh_mobile_lcdc_chan *ch = priv->ch + i;
|
||||
const struct fb_videomode *mode = ch->cfg.lcd_cfg;
|
||||
|
||||
if (!mode)
|
||||
mode = &default_720p;
|
||||
|
||||
info = ch->info;
|
||||
|
||||
@ -1297,7 +1291,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
|
||||
}
|
||||
}
|
||||
|
||||
fb_videomode_to_modelist(mode, ch->cfg.num_cfg, &info->modelist);
|
||||
error = register_framebuffer(info);
|
||||
if (error < 0)
|
||||
goto err1;
|
||||
|
||||
@ -13,6 +13,7 @@
|
||||
|
||||
struct sh_mobile_lcdc_chan_cfg;
|
||||
struct device;
|
||||
struct clk;
|
||||
|
||||
/*
|
||||
* flags format
|
||||
@ -33,6 +34,8 @@ struct sh_mobile_hdmi_info {
|
||||
struct sh_mobile_lcdc_chan_cfg *lcd_chan;
|
||||
struct device *lcd_dev;
|
||||
unsigned int flags;
|
||||
long (*clk_optimize_parent)(unsigned long target, unsigned long *best_freq,
|
||||
unsigned long *parent_freq);
|
||||
};
|
||||
|
||||
#endif
|
||||
|
||||
Loading…
Reference in New Issue
Block a user