Merge branch 'common/fbdev' of master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6 (12ddf374) · Commits · e / devices / android_kernel_fairphone_FP3

drivers/video/sh_mobile_hdmi.c

+105 −59

Original line number	Diff line number	Diff line
		@@ -209,7 +209,8 @@ enum hotplug_state {
		struct sh_hdmi {
		void __iomem *base;
		enum hotplug_state hp_state; /* hot-plug status */
		bool preprogrammed_mode; /* use a pre-programmed VIC or the external mode */
		u8 preprogrammed_vic; /* use a pre-programmed VIC or
		the external mode */
		struct clk *hdmi_clk;
		struct device *dev;
		struct fb_info *info;
		@@ -342,7 +343,7 @@ static void sh_hdmi_external_video_param(struct sh_hdmi *hdmi)
		hdmi_write(hdmi, var->vsync_len, HDMI_EXTERNAL_V_DURATION);

		/* Set bit 0 of HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS here for external mode */
		if (!hdmi->preprogrammed_mode)
		if (!hdmi->preprogrammed_vic)
		hdmi_write(hdmi, sync \| 1 \| (voffset << 4),
		HDMI_EXTERNAL_VIDEO_PARAM_SETTINGS);
		}
		@@ -466,7 +467,18 @@ static void sh_hdmi_audio_config(struct sh_hdmi *hdmi)
		*/
		static void sh_hdmi_phy_config(struct sh_hdmi *hdmi)
		{
		if (hdmi->var.yres > 480) {
		if (hdmi->var.pixclock < 10000) {
		/* for 1080p8bit 148MHz */
		hdmi_write(hdmi, 0x1d, HDMI_SLIPHDMIT_PARAM_SETTINGS_1);
		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_2);
		hdmi_write(hdmi, 0x00, HDMI_SLIPHDMIT_PARAM_SETTINGS_3);
		hdmi_write(hdmi, 0x4c, HDMI_SLIPHDMIT_PARAM_SETTINGS_5);
		hdmi_write(hdmi, 0x1e, HDMI_SLIPHDMIT_PARAM_SETTINGS_6);
		hdmi_write(hdmi, 0x48, HDMI_SLIPHDMIT_PARAM_SETTINGS_7);
		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) {
		/* 720p, 8bit, 74.25MHz. Might need to be adjusted for other formats */
		/*
		* [1:0] Speed_A
		@@ -565,13 +577,11 @@ static void sh_hdmi_avi_infoframe_setup(struct sh_hdmi *hdmi)
		hdmi_write(hdmi, 0x00, HDMI_CTRL_PKT_BUF_ACCESS_PB3);

		/*
		* VIC = 1280 x 720p: ignored if external config is used
		* Send 2 for 720 x 480p, 16 for 1080p, ignored in external mode
		* VIC should be ignored if external config is used, so, we could just use 0,
		* but play safe and use a valid value in any case just in case
		*/
		if (hdmi->var.yres == 1080 && hdmi->var.xres == 1920)
		vic = 16;
		else if (hdmi->var.yres == 480 && hdmi->var.xres == 720)
		vic = 2;
		if (hdmi->preprogrammed_vic)
		vic = hdmi->preprogrammed_vic;
		else
		vic = 4;
		hdmi_write(hdmi, vic, HDMI_CTRL_PKT_BUF_ACCESS_PB4);
		@@ -685,11 +695,21 @@ static void sh_hdmi_configure(struct sh_hdmi *hdmi)
		}

		static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
		const struct fb_videomode *mode)
		const struct fb_videomode *mode,
		unsigned long hdmi_rate, unsigned long parent_rate)
		{
		long target = PICOS2KHZ(mode->pixclock) * 1000,
		rate = clk_round_rate(hdmi->hdmi_clk, target);
		unsigned long rate_error = rate > 0 ? abs(rate - target) : ULONG_MAX;
		unsigned long target = PICOS2KHZ(mode->pixclock) * 1000, rate_error;
		struct sh_mobile_hdmi_info *pdata = hdmi->dev->platform_data;

		*hdmi_rate = clk_round_rate(hdmi->hdmi_clk, target);
		if ((long)*hdmi_rate < 0)
		*hdmi_rate = clk_get_rate(hdmi->hdmi_clk);

		rate_error = (long)hdmi_rate > 0 ? abs(hdmi_rate - target) : ULONG_MAX;
		if (rate_error && pdata->clk_optimize_parent)
		rate_error = pdata->clk_optimize_parent(target, hdmi_rate, parent_rate);
		else if (clk_get_parent(hdmi->hdmi_clk))
		*parent_rate = clk_get_rate(clk_get_parent(hdmi->hdmi_clk));

		dev_dbg(hdmi->dev, "%u-%u-%u-%u x %u-%u-%u-%u\n",
		mode->left_margin, mode->xres,
		@@ -697,14 +717,15 @@ static unsigned long sh_hdmi_rate_error(struct sh_hdmi *hdmi,
		mode->upper_margin, mode->yres,
		mode->lower_margin, mode->vsync_len);

		dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz\n", target,
		dev_dbg(hdmi->dev, "\t@%lu(+/-%lu)Hz, e=%lu / 1000, r=%uHz, p=%luHz\n", target,
		rate_error, rate_error ? 10000 / (10 * target / rate_error) : 0,
		mode->refresh);
		mode->refresh, *parent_rate);

		return rate_error;
		}

		static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
		static int sh_hdmi_read_edid(struct sh_hdmi hdmi, unsigned long hdmi_rate,
		unsigned long *parent_rate)
		{
		struct fb_var_screeninfo tmpvar;
		struct fb_var_screeninfo *var = &tmpvar;
		@@ -754,11 +775,14 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
		for (i = 0, mode = hdmi->monspec.modedb;
		f_width && f_height && i < hdmi->monspec.modedb_len && !exact_match;
		i++, mode++) {
		unsigned long rate_error = sh_hdmi_rate_error(hdmi, mode);
		unsigned long rate_error;

		/* No interest in unmatching modes */
		if (f_width != mode->xres \|\| f_height != mode->yres)
		continue;

		rate_error = sh_hdmi_rate_error(hdmi, mode, hdmi_rate, parent_rate);

		if (f_refresh == mode->refresh \|\| (!f_refresh && !rate_error))
		/*
		* Exact match if either the refresh rate matches or it
		@@ -802,7 +826,7 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)

		if (modelist) {
		found = &modelist->mode;
		found_rate_error = sh_hdmi_rate_error(hdmi, found);
		found_rate_error = sh_hdmi_rate_error(hdmi, found, hdmi_rate, parent_rate);
		}
		}

		@@ -810,16 +834,27 @@ static int sh_hdmi_read_edid(struct sh_hdmi *hdmi)
		if (!found)
		return -ENXIO;

		dev_info(hdmi->dev, "Using %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
		modelist ? "default" : "EDID", found->xres, found->yres,
		found->refresh, PICOS2KHZ(found->pixclock) * 1000, found_rate_error);

		if ((found->xres == 720 && found->yres == 480) \|\|
		(found->xres == 1280 && found->yres == 720) \|\|
		(found->xres == 1920 && found->yres == 1080))
		hdmi->preprogrammed_mode = true;
		if (found->xres == 640 && found->yres == 480 && found->refresh == 60)
		hdmi->preprogrammed_vic = 1;
		else if (found->xres == 720 && found->yres == 480 && found->refresh == 60)
		hdmi->preprogrammed_vic = 2;
		else if (found->xres == 720 && found->yres == 576 && found->refresh == 50)
		hdmi->preprogrammed_vic = 17;
		else if (found->xres == 1280 && found->yres == 720 && found->refresh == 60)
		hdmi->preprogrammed_vic = 4;
		else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 24)
		hdmi->preprogrammed_vic = 32;
		else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 50)
		hdmi->preprogrammed_vic = 31;
		else if (found->xres == 1920 && found->yres == 1080 && found->refresh == 60)
		hdmi->preprogrammed_vic = 16;
		else
		hdmi->preprogrammed_mode = false;
		hdmi->preprogrammed_vic = 0;

		dev_dbg(hdmi->dev, "Using %s %s mode %ux%u@%uHz (%luHz), clock error %luHz\n",
		modelist ? "default" : "EDID", hdmi->preprogrammed_vic ? "VIC" : "external",
		found->xres, found->yres, found->refresh,
		PICOS2KHZ(found->pixclock) * 1000, found_rate_error);

		fb_videomode_to_var(&hdmi->var, found);
		sh_hdmi_external_video_param(hdmi);
		@@ -973,38 +1008,36 @@ static bool sh_hdmi_must_reconfigure(struct sh_hdmi *hdmi)
		/**
		* sh_hdmi_clk_configure() - set HDMI clock frequency and enable the clock
		* @hdmi: driver context
		* @pixclock: pixel clock period in picoseconds
		* @hdmi_rate: HDMI clock frequency in Hz
		* @parent_rate: if != 0 - set parent clock rate for optimal precision
		* return: configured positive rate if successful
		* 0 if couldn't set the rate, but managed to enable the clock
		* negative error, if couldn't enable the clock
		* 0 if couldn't set the rate, but managed to enable the
		* clock, negative error, if couldn't enable the clock
		*/
		static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long pixclock)
		static long sh_hdmi_clk_configure(struct sh_hdmi *hdmi, unsigned long hdmi_rate,
		unsigned long parent_rate)
		{
		long rate;
		int ret;

		rate = PICOS2KHZ(pixclock) * 1000;
		rate = clk_round_rate(hdmi->hdmi_clk, rate);
		if (rate > 0) {
		ret = clk_set_rate(hdmi->hdmi_clk, rate);
		if (parent_rate && clk_get_parent(hdmi->hdmi_clk)) {
		ret = clk_set_rate(clk_get_parent(hdmi->hdmi_clk), parent_rate);
		if (ret < 0) {
		dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", rate, ret);
		rate = 0;
		dev_warn(hdmi->dev, "Cannot set parent rate %ld: %d\n", parent_rate, ret);
		hdmi_rate = clk_round_rate(hdmi->hdmi_clk, hdmi_rate);
		} else {
		dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", rate);
		dev_dbg(hdmi->dev, "HDMI set parent frequency %lu\n", parent_rate);
		}
		} else {
		rate = 0;
		dev_warn(hdmi->dev, "Cannot get suitable rate: %ld\n", rate);
		}

		ret = clk_enable(hdmi->hdmi_clk);
		ret = clk_set_rate(hdmi->hdmi_clk, hdmi_rate);
		if (ret < 0) {
		dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
		return ret;
		dev_warn(hdmi->dev, "Cannot set rate %ld: %d\n", hdmi_rate, ret);
		hdmi_rate = 0;
		} else {
		dev_dbg(hdmi->dev, "HDMI set frequency %lu\n", hdmi_rate);
		}

		return rate;
		return hdmi_rate;
		}

		/* Hotplug interrupt occurred, read EDID */
		@@ -1024,16 +1057,17 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
		mutex_lock(&hdmi->mutex);

		if (hdmi->hp_state == HDMI_HOTPLUG_EDID_DONE) {
		unsigned long parent_rate = 0, hdmi_rate;

		/* A device has been plugged in */
		pm_runtime_get_sync(hdmi->dev);

		ret = sh_hdmi_read_edid(hdmi);
		ret = sh_hdmi_read_edid(hdmi, &hdmi_rate, &parent_rate);
		if (ret < 0)
		goto out;

		/* Reconfigure the clock */
		clk_disable(hdmi->hdmi_clk);
		ret = sh_hdmi_clk_configure(hdmi, hdmi->var.pixclock);
		ret = sh_hdmi_clk_configure(hdmi, hdmi_rate, parent_rate);
		if (ret < 0)
		goto out;

		@@ -1071,6 +1105,10 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)
		if (!hdmi->info)
		goto out;

		hdmi->monspec.modedb_len = 0;
		fb_destroy_modedb(hdmi->monspec.modedb);
		hdmi->monspec.modedb = NULL;

		acquire_console_sem();

		/* HDMI disconnect */
		@@ -1078,7 +1116,6 @@ static void sh_hdmi_edid_work_fn(struct work_struct *work)

		release_console_sem();
		pm_runtime_put(hdmi->dev);
		fb_destroy_modedb(hdmi->monspec.modedb);
		}

		out:
		@@ -1163,13 +1200,22 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
		goto egetclk;
		}

		/* Some arbitrary relaxed pixclock just to get things started */
		rate = sh_hdmi_clk_configure(hdmi, 37037);
		/* An arbitrary relaxed pixclock just to get things started: from standard 480p */
		rate = clk_round_rate(hdmi->hdmi_clk, PICOS2KHZ(37037));
		if (rate > 0)
		rate = sh_hdmi_clk_configure(hdmi, rate, 0);

		if (rate < 0) {
		ret = rate;
		goto erate;
		}

		ret = clk_enable(hdmi->hdmi_clk);
		if (ret < 0) {
		dev_err(hdmi->dev, "Cannot enable clock: %d\n", ret);
		goto erate;
		}

		dev_dbg(&pdev->dev, "Enabled HDMI clock at %luHz\n", rate);

		if (!request_mem_region(res->start, resource_size(res), dev_name(&pdev->dev))) {
		@@ -1187,10 +1233,6 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)

		platform_set_drvdata(pdev, hdmi);

		/* Product and revision IDs are 0 in sh-mobile version */
		dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
		hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));

		/* Set up LCDC callbacks */
		board_cfg = &pdata->lcd_chan->board_cfg;
		board_cfg->owner = THIS_MODULE;
		@@ -1203,6 +1245,10 @@ static int __init sh_hdmi_probe(struct platform_device *pdev)
		pm_runtime_enable(&pdev->dev);
		pm_runtime_resume(&pdev->dev);

		/* Product and revision IDs are 0 in sh-mobile version */
		dev_info(&pdev->dev, "Detected HDMI controller 0x%x:0x%x\n",
		hdmi_read(hdmi, HDMI_PRODUCT_ID), hdmi_read(hdmi, HDMI_REVISION_ID));

		ret = request_irq(irq, sh_hdmi_hotplug, 0,
		dev_name(&pdev->dev), hdmi);
		if (ret < 0) {

drivers/video/sh_mobile_lcdcfb.c

+20 −27

Original line number	Diff line number	Diff line
		@@ -54,8 +54,8 @@ static int lcdc_shared_regs[] = {
		};
		#define NR_SHARED_REGS ARRAY_SIZE(lcdc_shared_regs)

		#define DEFAULT_XRES 1280
		#define DEFAULT_YRES 1024
		#define MAX_XRES 1920
		#define MAX_YRES 1080

		static unsigned long lcdc_offs_mainlcd[NR_CH_REGS] = {
		[LDDCKPAT1R] = 0x400,
		@@ -115,15 +115,16 @@ static const struct fb_videomode default_720p = {
		.xres = 1280,
		.yres = 720,

		.left_margin = 200,
		.right_margin = 88,
		.hsync_len = 48,
		.left_margin = 220,
		.right_margin = 110,
		.hsync_len = 40,

		.upper_margin = 20,
		.lower_margin = 5,
		.vsync_len = 5,

		.pixclock = 13468,
		.refresh = 60,
		.sync = FB_SYNC_VERT_HIGH_ACT \| FB_SYNC_HOR_HIGH_ACT,
		};

		@@ -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;

		if (var->xres < 160 \|\| var->xres > 1920 \|\|
		var->yres < 120 \|\| var->yres > 1080 \|\|
		var->left_margin < 32 \|\| var->left_margin > 320 \|\|
		var->right_margin < 12 \|\| var->right_margin > 240 \|\|
		var->upper_margin < 12 \|\| var->upper_margin > 120 \|\|
		var->lower_margin < 1 \|\| var->lower_margin > 64 \|\|
		var->hsync_len < 32 \|\| var->hsync_len > 240 \|\|
		var->vsync_len < 2 \|\| var->vsync_len > 64 \|\|
		var->pixclock < 6000 \|\| var->pixclock > 40000 \|\|
		if (var->xres > MAX_XRES \|\| var->yres > MAX_YRES \|\|
		var->xres * var->yres * (ch->cfg.bpp / 8) * 2 > info->fix.smem_len) {
		dev_warn(info->dev, "Invalid info: %u %u %u %u %u %u %u %u %u!\n",
		var->xres, var->yres,
		var->left_margin, var->right_margin,
		var->upper_margin, var->lower_margin,
		var->hsync_len, var->vsync_len,
		var->pixclock);
		dev_warn(info->dev, "Invalid info: %u-%u-%u-%u x %u-%u-%u-%u @ %lukHz!\n",
		var->left_margin, var->xres, var->right_margin, var->hsync_len,
		var->upper_margin, var->yres, var->lower_margin, var->vsync_len,
		PICOS2KHZ(var->pixclock));
		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;

include/video/sh_mobile_hdmi.h

+3 −0

Original line number	Diff line number	Diff line
		@@ -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