Merge tag 'omapdrm-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux into drm-next

omapdrm changes for v4.14

* HDMI hot plug IRQ support (instead of polling)
* Big driver cleanup from Laurent (no functional changes)
* OMAP5 DSI support (only the pinmuxing was missing)

* tag 'omapdrm-4.14' of git://git.kernel.org/pub/scm/linux/kernel/git/tomba/linux: (60 commits)
  drm/omap: Potential NULL deref in omap_crtc_duplicate_state()
  drm/omap: remove no-op cleanup code
  drm/omap: rename omapdrm device back
  drm: omapdrm: Remove omapdrm platform data
  ARM: OMAP2+: Don't register omapdss device for omapdrm
  ARM: OMAP2+: Remove unused omapdrm platform device
  drm: omapdrm: Remove the omapdss driver
  drm: omapdrm: Register omapdrm platform device in omapdss driver
  drm: omapdrm: hdmi: Don't allocate PHY features dynamically
  drm: omapdrm: hdmi: Configure the PHY from the HDMI core version
  drm: omapdrm: hdmi: Configure the PLL from the HDMI core version
  drm: omapdrm: hdmi: Pass HDMI core version as integer to HDMI audio
  drm: omapdrm: hdmi: Replace OMAP SoC model check with HDMI xmit version
  drm: omapdrm: hdmi: Rename functions and structures to use hdmi_ prefix
  drm/omap: add OMAP5 DSIPHY lane-enable support
  drm/omap: use regmap_update_bit() when muxing DSI pads
  drm: omapdrm: Remove dss_features.h
  drm: omapdrm: Move supported outputs feature to dss driver
  drm: omapdrm: Move DSS_FCK feature to dss driver
  drm: omapdrm: Move PCD, LINEWIDTH and DOWNSCALE features to dispc driver
  ...

arch/arm/mach-omap2/Makefile

@@ -8,7 +8,7 @@ ccflags-y := -I$(srctree)/$(src)/include \
 # Common support
 obj-y := id.o io.o control.o devices.o fb.o timer.o pm.o \
 	 common.o dma.o wd_timer.o display.o i2c.o hdq1w.o omap_hwmod.o \
-	 omap_device.o omap-headsmp.o sram.o drm.o
+	 omap_device.o omap-headsmp.o sram.o
 
 hwmod-common				= omap_hwmod.o omap_hwmod_reset.o \
 					  omap_hwmod_common_data.o

arch/arm/mach-omap2/board-generic.c

@@ -33,6 +33,7 @@ static void __init __maybe_unused omap_generic_init(void)
 	pdata_quirks_init(omap_dt_match_table);
 
 	omapdss_init_of();
+	omap_soc_device_init();
 }
 
 #ifdef CONFIG_SOC_OMAP2420

arch/arm/mach-omap2/display.c

@@ -66,6 +66,7 @@
  */
 #define FRAMEDONE_IRQ_TIMEOUT		100
 
+#if defined(CONFIG_FB_OMAP2)
 static struct platform_device omap_display_device = {
 	.name          = "omapdss",
 	.id            = -1,
@@ -163,6 +164,64 @@ static enum omapdss_version __init omap_display_get_version(void)
 		return OMAPDSS_VER_UNKNOWN;
 }
 
+static int __init omapdss_init_fbdev(void)
+{
+	static struct omap_dss_board_info board_data = {
+		.dsi_enable_pads = omap_dsi_enable_pads,
+		.dsi_disable_pads = omap_dsi_disable_pads,
+		.set_min_bus_tput = omap_dss_set_min_bus_tput,
+	};
+	struct device_node *node;
+
+	board_data.version = omap_display_get_version();
+	if (board_data.version == OMAPDSS_VER_UNKNOWN) {
+		pr_err("DSS not supported on this SoC\n");
+		return -ENODEV;
+	}
+
+	omap_display_device.dev.platform_data = &board_data;
+
+	r = platform_device_register(&omap_display_device);
+	if (r < 0) {
+		pr_err("Unable to register omapdss device\n");
+		return r;
+	}
+
+	/* create vrfb device */
+	r = omap_init_vrfb();
+	if (r < 0) {
+		pr_err("Unable to register omapvrfb device\n");
+		return r;
+	}
+
+	/* create FB device */
+	r = omap_init_fb();
+	if (r < 0) {
+		pr_err("Unable to register omapfb device\n");
+		return r;
+	}
+
+	/* create V4L2 display device */
+	r = omap_init_vout();
+	if (r < 0) {
+		pr_err("Unable to register omap_vout device\n");
+		return r;
+	}
+
+	/* add DSI info for omap4 */
+	node = of_find_node_by_name(NULL, "omap4_padconf_global");
+	if (node)
+		omap4_dsi_mux_syscon = syscon_node_to_regmap(node);
+
+	return 0;
+}
+#else
+static inline int omapdss_init_fbdev(void)
+{
+	return 0;
+}
+#endif /* CONFIG_FB_OMAP2 */
+
 static void dispc_disable_outputs(void)
 {
 	u32 v, irq_mask = 0;
@@ -335,16 +394,9 @@ static struct device_node * __init omapdss_find_dss_of_node(void)
 int __init omapdss_init_of(void)
 {
 	int r;
-	enum omapdss_version ver;
 	struct device_node *node;
 	struct platform_device *pdev;
 
-	static struct omap_dss_board_info board_data = {
-		.dsi_enable_pads = omap_dsi_enable_pads,
-		.dsi_disable_pads = omap_dsi_disable_pads,
-		.set_min_bus_tput = omap_dss_set_min_bus_tput,
-	};
-
 	/* only create dss helper devices if dss is enabled in the .dts */
 
 	node = omapdss_find_dss_of_node();
@@ -354,13 +406,6 @@ int __init omapdss_init_of(void)
 	if (!of_device_is_available(node))
 		return 0;
 
-	ver = omap_display_get_version();
-
-	if (ver == OMAPDSS_VER_UNKNOWN) {
-		pr_err("DSS not supported on this SoC\n");
-		return -ENODEV;
-	}
-
 	pdev = of_find_device_by_node(node);
 
 	if (!pdev) {
@@ -374,48 +419,5 @@ int __init omapdss_init_of(void)
 		return r;
 	}
 
-	board_data.version = ver;
-
-	omap_display_device.dev.platform_data = &board_data;
-
-	r = platform_device_register(&omap_display_device);
-	if (r < 0) {
-		pr_err("Unable to register omapdss device\n");
-		return r;
-	}
-
-	/* create DRM device */
-	r = omap_init_drm();
-	if (r < 0) {
-		pr_err("Unable to register omapdrm device\n");
-		return r;
-	}
-
-	/* create vrfb device */
-	r = omap_init_vrfb();
-	if (r < 0) {
-		pr_err("Unable to register omapvrfb device\n");
-		return r;
-	}
-
-	/* create FB device */
-	r = omap_init_fb();
-	if (r < 0) {
-		pr_err("Unable to register omapfb device\n");
-		return r;
-	}
-
-	/* create V4L2 display device */
-	r = omap_init_vout();
-	if (r < 0) {
-		pr_err("Unable to register omap_vout device\n");
-		return r;
-	}
-
-	/* add DSI info for omap4 */
-	node = of_find_node_by_name(NULL, "omap4_padconf_global");
-	if (node)
-		omap4_dsi_mux_syscon = syscon_node_to_regmap(node);
-
-	return 0;
+	return omapdss_init_fbdev();
 }

arch/arm/mach-omap2/display.h

@@ -26,7 +26,6 @@ struct omap_dss_dispc_dev_attr {
 	bool	has_framedonetv_irq;
 };
 
-int omap_init_drm(void);
 int omap_init_vrfb(void);
 int omap_init_fb(void);
 int omap_init_vout(void);

arch/arm/mach-omap2/drm.c

-/*
- * DRM/KMS device registration for TI OMAP platforms
- *
- * Copyright (C) 2012 Texas Instruments
- * Author: Rob Clark <rob.clark@linaro.org>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/init.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/platform_data/omap_drm.h>
-
-#include "soc.h"
-#include "display.h"
-
-#if IS_ENABLED(CONFIG_DRM_OMAP)
-
-static struct omap_drm_platform_data platform_data;
-
-static struct platform_device omap_drm_device = {
-	.dev = {
-		.coherent_dma_mask = DMA_BIT_MASK(32),
-		.platform_data = &platform_data,
-	},
-	.name = "omapdrm",
-	.id = 0,
-};
-
-int __init omap_init_drm(void)
-{
-	platform_data.omaprev = GET_OMAP_TYPE;
-
-	return platform_device_register(&omap_drm_device);
-
-}
-#else
-int __init omap_init_drm(void) { return 0; }
-#endif

arch/arm/mach-omap2/io.c

@@ -428,7 +428,6 @@ static void __init __maybe_unused omap_hwmod_init_postsetup(void)
 static void __init __maybe_unused omap_common_late_init(void)
 {
 	omap2_common_pm_late_init();
-	omap_soc_device_init();
 }
 
 #ifdef CONFIG_SOC_OMAP2420

drivers/gpu/drm/omapdrm/displays/connector-analog-tv.c

@@ -198,6 +198,9 @@ static int tvc_probe(struct platform_device *pdev)
 	struct omap_dss_device *dssdev;
 	int r;
 
+	if (!pdev->dev.of_node)
+		return -ENODEV;
+
 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
 	if (!ddata)
 		return -ENOMEM;

drivers/gpu/drm/omapdrm/displays/connector-hdmi.c

@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/of_gpio.h>
+#include <linux/mutex.h>
 
 #include <drm/drm_edid.h>
 
@@ -37,6 +38,10 @@ static const struct videomode hdmic_default_vm = {
 struct panel_drv_data {
 	struct omap_dss_device dssdev;
 	struct omap_dss_device *in;
+	void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
+	void *hpd_cb_data;
+	bool hpd_enabled;
+	struct mutex hpd_lock;
 
 	struct device *dev;
 
@@ -167,6 +172,70 @@ static bool hdmic_detect(struct omap_dss_device *dssdev)
 		return in->ops.hdmi->detect(in);
 }
 
+static int hdmic_register_hpd_cb(struct omap_dss_device *dssdev,
+				 void (*cb)(void *cb_data,
+					    enum drm_connector_status status),
+				 void *cb_data)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+	struct omap_dss_device *in = ddata->in;
+
+	if (gpio_is_valid(ddata->hpd_gpio)) {
+		mutex_lock(&ddata->hpd_lock);
+		ddata->hpd_cb = cb;
+		ddata->hpd_cb_data = cb_data;
+		mutex_unlock(&ddata->hpd_lock);
+		return 0;
+	} else if (in->ops.hdmi->register_hpd_cb) {
+		return in->ops.hdmi->register_hpd_cb(in, cb, cb_data);
+	}
+
+	return -ENOTSUPP;
+}
+
+static void hdmic_unregister_hpd_cb(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+	struct omap_dss_device *in = ddata->in;
+
+	if (gpio_is_valid(ddata->hpd_gpio)) {
+		mutex_lock(&ddata->hpd_lock);
+		ddata->hpd_cb = NULL;
+		ddata->hpd_cb_data = NULL;
+		mutex_unlock(&ddata->hpd_lock);
+	} else if (in->ops.hdmi->unregister_hpd_cb) {
+		in->ops.hdmi->unregister_hpd_cb(in);
+	}
+}
+
+static void hdmic_enable_hpd(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+	struct omap_dss_device *in = ddata->in;
+
+	if (gpio_is_valid(ddata->hpd_gpio)) {
+		mutex_lock(&ddata->hpd_lock);
+		ddata->hpd_enabled = true;
+		mutex_unlock(&ddata->hpd_lock);
+	} else if (in->ops.hdmi->enable_hpd) {
+		in->ops.hdmi->enable_hpd(in);
+	}
+}
+
+static void hdmic_disable_hpd(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+	struct omap_dss_device *in = ddata->in;
+
+	if (gpio_is_valid(ddata->hpd_gpio)) {
+		mutex_lock(&ddata->hpd_lock);
+		ddata->hpd_enabled = false;
+		mutex_unlock(&ddata->hpd_lock);
+	} else if (in->ops.hdmi->disable_hpd) {
+		in->ops.hdmi->disable_hpd(in);
+	}
+}
+
 static int hdmic_set_hdmi_mode(struct omap_dss_device *dssdev, bool hdmi_mode)
 {
 	struct panel_drv_data *ddata = to_panel_data(dssdev);
@@ -197,10 +266,34 @@ static struct omap_dss_driver hdmic_driver = {
 
 	.read_edid		= hdmic_read_edid,
 	.detect			= hdmic_detect,
+	.register_hpd_cb	= hdmic_register_hpd_cb,
+	.unregister_hpd_cb	= hdmic_unregister_hpd_cb,
+	.enable_hpd		= hdmic_enable_hpd,
+	.disable_hpd		= hdmic_disable_hpd,
 	.set_hdmi_mode		= hdmic_set_hdmi_mode,
 	.set_hdmi_infoframe	= hdmic_set_infoframe,
 };
 
+static irqreturn_t hdmic_hpd_isr(int irq, void *data)
+{
+	struct panel_drv_data *ddata = data;
+
+	mutex_lock(&ddata->hpd_lock);
+	if (ddata->hpd_enabled && ddata->hpd_cb) {
+		enum drm_connector_status status;
+
+		if (hdmic_detect(&ddata->dssdev))
+			status = connector_status_connected;
+		else
+			status = connector_status_disconnected;
+
+		ddata->hpd_cb(ddata->hpd_cb_data, status);
+	}
+	mutex_unlock(&ddata->hpd_lock);
+
+	return IRQ_HANDLED;
+}
+
 static int hdmic_probe_of(struct platform_device *pdev)
 {
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
@@ -246,11 +339,22 @@ static int hdmic_probe(struct platform_device *pdev)
 	if (r)
 		return r;
 
+	mutex_init(&ddata->hpd_lock);
+
 	if (gpio_is_valid(ddata->hpd_gpio)) {
 		r = devm_gpio_request_one(&pdev->dev, ddata->hpd_gpio,
 				GPIOF_DIR_IN, "hdmi_hpd");
 		if (r)
 			goto err_reg;
+
+		r = devm_request_threaded_irq(&pdev->dev,
+				gpio_to_irq(ddata->hpd_gpio),
+				NULL, hdmic_hpd_isr,
+				IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING |
+				IRQF_ONESHOT,
+				"hdmic hpd", ddata);
+		if (r)
+			goto err_reg;
 	}
 
 	ddata->vm = hdmic_default_vm;

drivers/gpu/drm/omapdrm/displays/encoder-tpd12s015.c

@@ -15,12 +15,17 @@
 #include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/gpio/consumer.h>
+#include <linux/mutex.h>
 
 #include "../dss/omapdss.h"
 
 struct panel_drv_data {
 	struct omap_dss_device dssdev;
 	struct omap_dss_device *in;
+	void (*hpd_cb)(void *cb_data, enum drm_connector_status status);
+	void *hpd_cb_data;
+	bool hpd_enabled;
+	struct mutex hpd_lock;
 
 	struct gpio_desc *ct_cp_hpd_gpio;
 	struct gpio_desc *ls_oe_gpio;
@@ -162,6 +167,49 @@ static bool tpd_detect(struct omap_dss_device *dssdev)
 	return gpiod_get_value_cansleep(ddata->hpd_gpio);
 }
 
+static int tpd_register_hpd_cb(struct omap_dss_device *dssdev,
+			       void (*cb)(void *cb_data,
+					  enum drm_connector_status status),
+			       void *cb_data)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+	mutex_lock(&ddata->hpd_lock);
+	ddata->hpd_cb = cb;
+	ddata->hpd_cb_data = cb_data;
+	mutex_unlock(&ddata->hpd_lock);
+
+	return 0;
+}
+
+static void tpd_unregister_hpd_cb(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+	mutex_lock(&ddata->hpd_lock);
+	ddata->hpd_cb = NULL;
+	ddata->hpd_cb_data = NULL;
+	mutex_unlock(&ddata->hpd_lock);
+}
+
+static void tpd_enable_hpd(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+	mutex_lock(&ddata->hpd_lock);
+	ddata->hpd_enabled = true;
+	mutex_unlock(&ddata->hpd_lock);
+}
+
+static void tpd_disable_hpd(struct omap_dss_device *dssdev)
+{
+	struct panel_drv_data *ddata = to_panel_data(dssdev);
+
+	mutex_lock(&ddata->hpd_lock);
+	ddata->hpd_enabled = false;
+	mutex_unlock(&ddata->hpd_lock);
+}
+
 static int tpd_set_infoframe(struct omap_dss_device *dssdev,
 		const struct hdmi_avi_infoframe *avi)
 {
@@ -193,10 +241,34 @@ static const struct omapdss_hdmi_ops tpd_hdmi_ops = {
 
 	.read_edid		= tpd_read_edid,
 	.detect			= tpd_detect,
+	.register_hpd_cb	= tpd_register_hpd_cb,
+	.unregister_hpd_cb	= tpd_unregister_hpd_cb,
+	.enable_hpd		= tpd_enable_hpd,
+	.disable_hpd		= tpd_disable_hpd,
 	.set_infoframe		= tpd_set_infoframe,
 	.set_hdmi_mode		= tpd_set_hdmi_mode,
 };
 
+static irqreturn_t tpd_hpd_isr(int irq, void *data)
+{
+	struct panel_drv_data *ddata = data;
+
+	mutex_lock(&ddata->hpd_lock);
+	if (ddata->hpd_enabled && ddata->hpd_cb) {
+		enum drm_connector_status status;
+
+		if (tpd_detect(&ddata->dssdev))
+			status = connector_status_connected;
+		else
+			status = connector_status_disconnected;
+
+		ddata->hpd_cb(ddata->hpd_cb_data, status);
+	}
+	mutex_unlock(&ddata->hpd_lock);
+
+	return IRQ_HANDLED;
+}
+
 static int tpd_probe_of(struct platform_device *pdev)
 {
 	struct panel_drv_data *ddata = platform_get_drvdata(pdev);
@@ -261,6 +333,15 @@ static int tpd_probe(struct platform_device *pdev)
 
 	ddata->hpd_gpio = gpio;
 
+	mutex_init(&ddata->hpd_lock);
+
+	r = devm_request_threaded_irq(&pdev->dev, gpiod_to_irq(ddata->hpd_gpio),
+		NULL, tpd_hpd_isr,
+		IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+		"tpd12s015 hpd", ddata);
+	if (r)
+		goto err_gpio;
+
 	dssdev = &ddata->dssdev;
 	dssdev->ops.hdmi = &tpd_hdmi_ops;
 	dssdev->dev = &pdev->dev;

drivers/gpu/drm/omapdrm/displays/panel-dpi.c

@@ -231,6 +231,9 @@ static int panel_dpi_probe(struct platform_device *pdev)
 	struct omap_dss_device *dssdev;
 	int r;
 
+	if (!pdev->dev.of_node)
+		return -ENODEV;
+
 	ddata = devm_kzalloc(&pdev->dev, sizeof(*ddata), GFP_KERNEL);
 	if (ddata == NULL)
 		return -ENOMEM;

drivers/gpu/drm/omapdrm/displays/panel-dsi-cm.c

@@ -554,7 +554,7 @@ static struct attribute *dsicm_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group dsicm_attr_group = {
+static const struct attribute_group dsicm_attr_group = {
 	.attrs = dsicm_attrs,
 };
 

drivers/gpu/drm/omapdrm/displays/panel-lgphilips-lb035q02.c

@@ -19,7 +19,7 @@
 
 #include "../dss/omapdss.h"
 
-static struct videomode lb035q02_vm = {
+static const struct videomode lb035q02_vm = {
 	.hactive = 320,
 	.vactive = 240,
 

drivers/gpu/drm/omapdrm/displays/panel-sony-acx565akm.c

@@ -503,7 +503,7 @@ static struct attribute *bldev_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group bldev_attr_group = {
+static const struct attribute_group bldev_attr_group = {
 	.attrs = bldev_attrs,
 };
 
@@ -720,6 +720,9 @@ static int acx565akm_probe(struct spi_device *spi)
 
 	dev_dbg(&spi->dev, "%s\n", __func__);
 
+	if (!spi->dev.of_node)
+		return -ENODEV;
+
 	spi->mode = SPI_MODE_3;
 
 	ddata = devm_kzalloc(&spi->dev, sizeof(*ddata), GFP_KERNEL);

drivers/gpu/drm/omapdrm/displays/panel-tpo-td028ttec1.c

@@ -40,7 +40,7 @@ struct panel_drv_data {
 	struct spi_device *spi_dev;
 };
 
-static struct videomode td028ttec1_panel_vm = {
+static const struct videomode td028ttec1_panel_vm = {
 	.hactive	= 480,
 	.vactive	= 640,
 	.pixelclock	= 22153000,

drivers/gpu/drm/omapdrm/displays/panel-tpo-td043mtea1.c

@@ -282,7 +282,7 @@ static struct attribute *tpo_td043_attrs[] = {
 	NULL,
 };
 
-static struct attribute_group tpo_td043_attr_group = {
+static const struct attribute_group tpo_td043_attr_group = {
 	.attrs = tpo_td043_attrs,
 };
 

drivers/gpu/drm/omapdrm/dss/Makefile

@@ -5,7 +5,7 @@ omapdss-base-y := base.o display.o dss-of.o output.o
 
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
 # Core DSS files
-omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o \
+omapdss-y := core.o dss.o dispc.o dispc_coefs.o \
 	pll.o video-pll.o
 omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o

drivers/gpu/drm/omapdrm/dss/core.c

@@ -24,182 +24,10 @@
 
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/clk.h>
-#include <linux/err.h>
 #include <linux/platform_device.h>
-#include <linux/seq_file.h>
-#include <linux/debugfs.h>
-#include <linux/io.h>
-#include <linux/device.h>
-#include <linux/regulator/consumer.h>
-#include <linux/suspend.h>
-#include <linux/slab.h>
 
 #include "omapdss.h"
 #include "dss.h"
-#include "dss_features.h"
-
-static struct {
-	struct platform_device *pdev;
-} core;
-
-enum omapdss_version omapdss_get_version(void)
-{
-	struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
-	return pdata->version;
-}
-EXPORT_SYMBOL(omapdss_get_version);
-
-int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask)
-{
-	struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
-
-	if (!board_data->dsi_enable_pads)
-		return -ENOENT;
-
-	return board_data->dsi_enable_pads(dsi_id, lane_mask);
-}
-
-void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask)
-{
-	struct omap_dss_board_info *board_data = core.pdev->dev.platform_data;
-
-	if (!board_data->dsi_disable_pads)
-		return;
-
-	return board_data->dsi_disable_pads(dsi_id, lane_mask);
-}
-
-int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
-{
-	struct omap_dss_board_info *pdata = core.pdev->dev.platform_data;
-
-	if (pdata->set_min_bus_tput)
-		return pdata->set_min_bus_tput(dev, tput);
-	else
-		return 0;
-}
-
-#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
-static int dss_debug_show(struct seq_file *s, void *unused)
-{
-	void (*func)(struct seq_file *) = s->private;
-	func(s);
-	return 0;
-}
-
-static int dss_debug_open(struct inode *inode, struct file *file)
-{
-	return single_open(file, dss_debug_show, inode->i_private);
-}
-
-static const struct file_operations dss_debug_fops = {
-	.open           = dss_debug_open,
-	.read           = seq_read,
-	.llseek         = seq_lseek,
-	.release        = single_release,
-};
-
-static struct dentry *dss_debugfs_dir;
-
-static int dss_initialize_debugfs(void)
-{
-	dss_debugfs_dir = debugfs_create_dir("omapdss", NULL);
-	if (IS_ERR(dss_debugfs_dir)) {
-		int err = PTR_ERR(dss_debugfs_dir);
-		dss_debugfs_dir = NULL;
-		return err;
-	}
-
-	debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
-			&dss_debug_dump_clocks, &dss_debug_fops);
-
-	return 0;
-}
-
-static void dss_uninitialize_debugfs(void)
-{
-	if (dss_debugfs_dir)
-		debugfs_remove_recursive(dss_debugfs_dir);
-}
-
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
-{
-	struct dentry *d;
-
-	d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir,
-			write, &dss_debug_fops);
-
-	return PTR_ERR_OR_ZERO(d);
-}
-#else /* CONFIG_OMAP2_DSS_DEBUGFS */
-static inline int dss_initialize_debugfs(void)
-{
-	return 0;
-}
-static inline void dss_uninitialize_debugfs(void)
-{
-}
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
-{
-	return 0;
-}
-#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
-
-/* PLATFORM DEVICE */
-
-static void dss_disable_all_devices(void)
-{
-	struct omap_dss_device *dssdev = NULL;
-
-	for_each_dss_dev(dssdev) {
-		if (!dssdev->driver)
-			continue;
-
-		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
-			dssdev->driver->disable(dssdev);
-	}
-}
-
-static int __init omap_dss_probe(struct platform_device *pdev)
-{
-	int r;
-
-	core.pdev = pdev;
-
-	dss_features_init(omapdss_get_version());
-
-	r = dss_initialize_debugfs();
-	if (r)
-		goto err_debugfs;
-
-	return 0;
-
-err_debugfs:
-
-	return r;
-}
-
-static int omap_dss_remove(struct platform_device *pdev)
-{
-	dss_uninitialize_debugfs();
-
-	return 0;
-}
-
-static void omap_dss_shutdown(struct platform_device *pdev)
-{
-	DSSDBG("shutdown\n");
-	dss_disable_all_devices();
-}
-
-static struct platform_driver omap_dss_driver = {
-	.remove         = omap_dss_remove,
-	.shutdown	= omap_dss_shutdown,
-	.driver         = {
-		.name   = "omapdss",
-	},
-};
 
 /* INIT */
 static int (*dss_output_drv_reg_funcs[])(void) __initdata = {
@@ -236,21 +64,25 @@ static void (*dss_output_drv_unreg_funcs[])(void) = {
 	dss_uninit_platform_driver,
 };
 
+static struct platform_device *omap_drm_device;
+
 static int __init omap_dss_init(void)
 {
 	int r;
 	int i;
 
-	r = platform_driver_probe(&omap_dss_driver, omap_dss_probe);
-	if (r)
-		return r;
-
 	for (i = 0; i < ARRAY_SIZE(dss_output_drv_reg_funcs); ++i) {
 		r = dss_output_drv_reg_funcs[i]();
 		if (r)
 			goto err_reg;
 	}
 
+	omap_drm_device = platform_device_register_simple("omapdrm", 0, NULL, 0);
+	if (IS_ERR(omap_drm_device)) {
+		r = PTR_ERR(omap_drm_device);
+		goto err_reg;
+	}
+
 	return 0;
 
 err_reg:
@@ -259,8 +91,6 @@ static int __init omap_dss_init(void)
 			++i)
 		dss_output_drv_unreg_funcs[i]();
 
-	platform_driver_unregister(&omap_dss_driver);
-
 	return r;
 }
 
@@ -268,10 +98,10 @@ static void __exit omap_dss_exit(void)
 {
 	int i;
 
+	platform_device_unregister(omap_drm_device);
+
 	for (i = 0; i < ARRAY_SIZE(dss_output_drv_unreg_funcs); ++i)
 		dss_output_drv_unreg_funcs[i]();
-
-	platform_driver_unregister(&omap_dss_driver);
 }
 
 module_init(omap_dss_init);

drivers/gpu/drm/omapdrm/dss/dpi.c

@@ -32,13 +32,14 @@
 #include <linux/string.h>
 #include <linux/of.h>
 #include <linux/clk.h>
+#include <linux/sys_soc.h>
 
 #include "omapdss.h"
 #include "dss.h"
-#include "dss_features.h"
 
 struct dpi_data {
 	struct platform_device *pdev;
+	enum dss_model dss_model;
 
 	struct regulator *vdds_dsi_reg;
 	enum dss_clk_source clk_src;
@@ -99,25 +100,21 @@ static enum dss_clk_source dpi_get_clk_src_dra7xx(enum omap_channel channel)
 	return DSS_CLK_SRC_FCK;
 }
 
-static enum dss_clk_source dpi_get_clk_src(enum omap_channel channel)
+static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi)
 {
+	enum omap_channel channel = dpi->output.dispc_channel;
+
 	/*
 	 * XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL
 	 * would also be used for DISPC fclk. Meaning, when the DPI output is
 	 * disabled, DISPC clock will be disabled, and TV out will stop.
 	 */
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-	case OMAPDSS_VER_AM43xx:
+	switch (dpi->dss_model) {
+	case DSS_MODEL_OMAP2:
+	case DSS_MODEL_OMAP3:
 		return DSS_CLK_SRC_FCK;
 
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
+	case DSS_MODEL_OMAP4:
 		switch (channel) {
 		case OMAP_DSS_CHANNEL_LCD:
 			return DSS_CLK_SRC_PLL1_1;
@@ -127,7 +124,7 @@ static enum dss_clk_source dpi_get_clk_src(enum omap_channel channel)
 			return DSS_CLK_SRC_FCK;
 		}
 
-	case OMAPDSS_VER_OMAP5:
+	case DSS_MODEL_OMAP5:
 		switch (channel) {
 		case OMAP_DSS_CHANNEL_LCD:
 			return DSS_CLK_SRC_PLL1_1;
@@ -138,7 +135,7 @@ static enum dss_clk_source dpi_get_clk_src(enum omap_channel channel)
 			return DSS_CLK_SRC_FCK;
 		}
 
-	case OMAPDSS_VER_DRA7xx:
+	case DSS_MODEL_DRA7:
 		return dpi_get_clk_src_dra7xx(channel);
 
 	default:
@@ -213,7 +210,7 @@ static bool dpi_calc_pll_cb(int n, int m, unsigned long fint,
 	ctx->pll_cinfo.clkdco = clkdco;
 
 	return dss_pll_hsdiv_calc_a(ctx->pll, clkdco,
-		ctx->pck_min, dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+		ctx->pck_min, dss_get_max_fck_rate(),
 		dpi_calc_hsdiv_cb, ctx);
 }
 
@@ -403,19 +400,13 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
 
 	mutex_lock(&dpi->lock);
 
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi->vdds_dsi_reg) {
-		DSSERR("no VDSS_DSI regulator\n");
-		r = -ENODEV;
-		goto err_no_reg;
-	}
-
 	if (!out->dispc_channel_connected) {
 		DSSERR("failed to enable display: no output/manager\n");
 		r = -ENODEV;
 		goto err_no_out_mgr;
 	}
 
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
+	if (dpi->vdds_dsi_reg) {
 		r = regulator_enable(dpi->vdds_dsi_reg);
 		if (r)
 			goto err_reg_enable;
@@ -459,11 +450,10 @@ static int dpi_display_enable(struct omap_dss_device *dssdev)
 err_src_sel:
 	dispc_runtime_put();
 err_get_dispc:
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+	if (dpi->vdds_dsi_reg)
 		regulator_disable(dpi->vdds_dsi_reg);
 err_reg_enable:
 err_no_out_mgr:
-err_no_reg:
 	mutex_unlock(&dpi->lock);
 	return r;
 }
@@ -484,7 +474,7 @@ static void dpi_display_disable(struct omap_dss_device *dssdev)
 
 	dispc_runtime_put();
 
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+	if (dpi->vdds_dsi_reg)
 		regulator_disable(dpi->vdds_dsi_reg);
 
 	mutex_unlock(&dpi->lock);
@@ -575,11 +565,21 @@ static int dpi_verify_pll(struct dss_pll *pll)
 	return 0;
 }
 
+static const struct soc_device_attribute dpi_soc_devices[] = {
+	{ .family = "OMAP3[456]*" },
+	{ .family = "[AD]M37*" },
+	{ /* sentinel */ }
+};
+
 static int dpi_init_regulator(struct dpi_data *dpi)
 {
 	struct regulator *vdds_dsi;
 
-	if (!dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
+	/*
+	 * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and
+	 * DM37xx only.
+	 */
+	if (!soc_device_match(dpi_soc_devices))
 		return 0;
 
 	if (dpi->vdds_dsi_reg)
@@ -604,7 +604,7 @@ static void dpi_init_pll(struct dpi_data *dpi)
 	if (dpi->pll)
 		return;
 
-	dpi->clk_src = dpi_get_clk_src(dpi->output.dispc_channel);
+	dpi->clk_src = dpi_get_clk_src(dpi);
 
 	pll = dss_pll_find_by_src(dpi->clk_src);
 	if (!pll)
@@ -624,18 +624,14 @@ static void dpi_init_pll(struct dpi_data *dpi)
  * the channel in some more dynamic manner, or get the channel as a user
  * parameter.
  */
-static enum omap_channel dpi_get_channel(int port_num)
+static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num)
 {
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-	case OMAPDSS_VER_AM43xx:
+	switch (dpi->dss_model) {
+	case DSS_MODEL_OMAP2:
+	case DSS_MODEL_OMAP3:
 		return OMAP_DSS_CHANNEL_LCD;
 
-	case OMAPDSS_VER_DRA7xx:
+	case DSS_MODEL_DRA7:
 		switch (port_num) {
 		case 2:
 			return OMAP_DSS_CHANNEL_LCD3;
@@ -646,12 +642,10 @@ static enum omap_channel dpi_get_channel(int port_num)
 			return OMAP_DSS_CHANNEL_LCD;
 		}
 
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
+	case DSS_MODEL_OMAP4:
 		return OMAP_DSS_CHANNEL_LCD2;
 
-	case OMAPDSS_VER_OMAP5:
+	case DSS_MODEL_OMAP5:
 		return OMAP_DSS_CHANNEL_LCD3;
 
 	default:
@@ -716,10 +710,8 @@ static const struct omapdss_dpi_ops dpi_ops = {
 	.get_timings = dpi_get_timings,
 };
 
-static void dpi_init_output_port(struct platform_device *pdev,
-	struct device_node *port)
+static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port)
 {
-	struct dpi_data *dpi = port->data;
 	struct omap_dss_device *out = &dpi->output;
 	int r;
 	u32 port_num;
@@ -741,10 +733,10 @@ static void dpi_init_output_port(struct platform_device *pdev,
 		break;
 	}
 
-	out->dev = &pdev->dev;
+	out->dev = &dpi->pdev->dev;
 	out->id = OMAP_DSS_OUTPUT_DPI;
 	out->output_type = OMAP_DISPLAY_TYPE_DPI;
-	out->dispc_channel = dpi_get_channel(port_num);
+	out->dispc_channel = dpi_get_channel(dpi, port_num);
 	out->port_num = port_num;
 	out->ops.dpi = &dpi_ops;
 	out->owner = THIS_MODULE;
@@ -760,7 +752,8 @@ static void dpi_uninit_output_port(struct device_node *port)
 	omapdss_unregister_output(out);
 }
 
-int dpi_init_port(struct platform_device *pdev, struct device_node *port)
+int dpi_init_port(struct platform_device *pdev, struct device_node *port,
+		  enum dss_model dss_model)
 {
 	struct dpi_data *dpi;
 	struct device_node *ep;
@@ -786,11 +779,12 @@ int dpi_init_port(struct platform_device *pdev, struct device_node *port)
 	of_node_put(ep);
 
 	dpi->pdev = pdev;
+	dpi->dss_model = dss_model;
 	port->data = dpi;
 
 	mutex_init(&dpi->lock);
 
-	dpi_init_output_port(pdev, port);
+	dpi_init_output_port(dpi, port);
 
 	dpi->port_initialized = true;
 

drivers/gpu/drm/omapdrm/dss/dsi.c

@@ -20,6 +20,8 @@
 #define DSS_SUBSYS_NAME "DSI"
 
 #include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
 #include <linux/io.h>
 #include <linux/clk.h>
 #include <linux/device.h>
@@ -42,12 +44,12 @@
 #include <linux/of_graph.h>
 #include <linux/of_platform.h>
 #include <linux/component.h>
+#include <linux/sys_soc.h>
 
 #include <video/mipi_display.h>
 
 #include "omapdss.h"
 #include "dss.h"
-#include "dss_features.h"
 
 #define DSI_CATCH_MISSING_TE
 
@@ -228,6 +230,12 @@ static int dsi_vc_send_null(struct omap_dss_device *dssdev, int channel);
 #define DSI_MAX_NR_ISRS                2
 #define DSI_MAX_NR_LANES	5
 
+enum dsi_model {
+	DSI_MODEL_OMAP3,
+	DSI_MODEL_OMAP4,
+	DSI_MODEL_OMAP5,
+};
+
 enum dsi_lane_function {
 	DSI_LANE_UNUSED	= 0,
 	DSI_LANE_CLK,
@@ -299,12 +307,36 @@ struct dsi_lp_clock_info {
 	u16 lp_clk_div;
 };
 
+struct dsi_module_id_data {
+	u32 address;
+	int id;
+};
+
+enum dsi_quirks {
+	DSI_QUIRK_PLL_PWR_BUG = (1 << 0),	/* DSI-PLL power command 0x3 is not working */
+	DSI_QUIRK_DCS_CMD_CONFIG_VC = (1 << 1),
+	DSI_QUIRK_VC_OCP_WIDTH = (1 << 2),
+	DSI_QUIRK_REVERSE_TXCLKESC = (1 << 3),
+	DSI_QUIRK_GNQ = (1 << 4),
+	DSI_QUIRK_PHY_DCC = (1 << 5),
+};
+
+struct dsi_of_data {
+	enum dsi_model model;
+	const struct dss_pll_hw *pll_hw;
+	const struct dsi_module_id_data *modules;
+	unsigned int max_fck_freq;
+	unsigned int max_pll_lpdiv;
+	enum dsi_quirks quirks;
+};
+
 struct dsi_data {
 	struct platform_device *pdev;
 	void __iomem *proto_base;
 	void __iomem *phy_base;
 	void __iomem *pll_base;
 
+	const struct dsi_of_data *data;
 	int module_id;
 
 	int irq;
@@ -312,6 +344,7 @@ struct dsi_data {
 	bool is_enabled;
 
 	struct clk *dss_clk;
+	struct regmap *syscon;
 
 	struct dispc_clock_info user_dispc_cinfo;
 	struct dss_pll_clock_info user_dsi_cinfo;
@@ -397,13 +430,6 @@ struct dsi_packet_sent_handler_data {
 	struct completion *completion;
 };
 
-struct dsi_module_id_data {
-	u32 address;
-	int id;
-};
-
-static const struct of_device_id dsi_of_match[];
-
 #ifdef DSI_PERF_MEASURE
 static bool dsi_perf;
 module_param(dsi_perf, bool, 0644);
@@ -1186,6 +1212,7 @@ static int dsi_regulator_init(struct platform_device *dsidev)
 
 static void _dsi_print_reset_status(struct platform_device *dsidev)
 {
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	u32 l;
 	int b0, b1, b2;
 
@@ -1194,7 +1221,7 @@ static void _dsi_print_reset_status(struct platform_device *dsidev)
 	 * I/O. */
 	l = dsi_read_reg(dsidev, DSI_DSIPHY_CFG5);
 
-	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC)) {
+	if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC) {
 		b0 = 28;
 		b1 = 27;
 		b2 = 26;
@@ -1297,7 +1324,7 @@ static int dsi_set_lp_clk_divisor(struct platform_device *dsidev)
 	unsigned long dsi_fclk;
 	unsigned lp_clk_div;
 	unsigned long lp_clk;
-	unsigned lpdiv_max = dss_feat_get_param_max(FEAT_PARAM_DSIPLL_LPDIV);
+	unsigned lpdiv_max = dsi->data->max_pll_lpdiv;
 
 
 	lp_clk_div = dsi->user_lp_cinfo.lp_clk_div;
@@ -1349,11 +1376,12 @@ enum dsi_pll_power_state {
 static int dsi_pll_power(struct platform_device *dsidev,
 		enum dsi_pll_power_state state)
 {
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int t = 0;
 
 	/* DSI-PLL power command 0x3 is not working */
-	if (dss_has_feature(FEAT_DSI_PLL_PWR_BUG) &&
-			state == DSI_PLL_POWER_ON_DIV)
+	if ((dsi->data->quirks & DSI_QUIRK_PLL_PWR_BUG) &&
+	    state == DSI_PLL_POWER_ON_DIV)
 		state = DSI_PLL_POWER_ON_ALL;
 
 	/* PLL_PWR_CMD */
@@ -1373,11 +1401,12 @@ static int dsi_pll_power(struct platform_device *dsidev,
 }
 
 
-static void dsi_pll_calc_dsi_fck(struct dss_pll_clock_info *cinfo)
+static void dsi_pll_calc_dsi_fck(struct dsi_data *dsi,
+				 struct dss_pll_clock_info *cinfo)
 {
 	unsigned long max_dsi_fck;
 
-	max_dsi_fck = dss_feat_get_param_max(FEAT_PARAM_DSI_FCK);
+	max_dsi_fck = dsi->data->max_fck_freq;
 
 	cinfo->mX[HSDIV_DSI] = DIV_ROUND_UP(cinfo->clkdco, max_dsi_fck);
 	cinfo->clkout[HSDIV_DSI] = cinfo->clkdco / cinfo->mX[HSDIV_DSI];
@@ -1773,13 +1802,14 @@ static int dsi_cio_power(struct platform_device *dsidev,
 
 static unsigned dsi_get_line_buf_size(struct platform_device *dsidev)
 {
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	int val;
 
 	/* line buffer on OMAP3 is 1024 x 24bits */
 	/* XXX: for some reason using full buffer size causes
 	 * considerable TX slowdown with update sizes that fill the
 	 * whole buffer */
-	if (!dss_has_feature(FEAT_DSI_GNQ))
+	if (!(dsi->data->quirks & DSI_QUIRK_GNQ))
 		return 1023 * 3;
 
 	val = REG_GET(dsidev, DSI_GNQ, 14, 12); /* VP1_LINE_BUFFER_SIZE */
@@ -1872,6 +1902,7 @@ static inline unsigned ddr2ns(struct platform_device *dsidev, unsigned ddr)
 
 static void dsi_cio_timings(struct platform_device *dsidev)
 {
+	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
 	u32 r;
 	u32 ths_prepare, ths_prepare_ths_zero, ths_trail, ths_exit;
 	u32 tlpx_half, tclk_trail, tclk_zero;
@@ -1934,7 +1965,7 @@ static void dsi_cio_timings(struct platform_device *dsidev)
 	r = FLD_MOD(r, tclk_trail, 15, 8);
 	r = FLD_MOD(r, tclk_zero, 7, 0);
 
-	if (dss_has_feature(FEAT_DSI_PHY_DCC)) {
+	if (dsi->data->quirks & DSI_QUIRK_PHY_DCC) {
 		r = FLD_MOD(r, 0, 21, 21);	/* DCCEN = disable */
 		r = FLD_MOD(r, 1, 22, 22);	/* CLKINP_DIVBY2EN = enable */
 		r = FLD_MOD(r, 1, 23, 23);	/* CLKINP_SEL = enable */
@@ -2006,7 +2037,7 @@ static int dsi_cio_wait_tx_clk_esc_reset(struct platform_device *dsidev)
 	static const u8 offsets_new[] = { 24, 25, 26, 27, 28 };
 	const u8 *offsets;
 
-	if (dss_has_feature(FEAT_DSI_REVERSE_TXCLKESC))
+	if (dsi->data->quirks & DSI_QUIRK_REVERSE_TXCLKESC)
 		offsets = offsets_old;
 	else
 		offsets = offsets_new;
@@ -2060,6 +2091,83 @@ static unsigned dsi_get_lane_mask(struct platform_device *dsidev)
 	return mask;
 }
 
+/* OMAP4 CONTROL_DSIPHY */
+#define OMAP4_DSIPHY_SYSCON_OFFSET			0x78
+
+#define OMAP4_DSI2_LANEENABLE_SHIFT			29
+#define OMAP4_DSI2_LANEENABLE_MASK			(0x7 << 29)
+#define OMAP4_DSI1_LANEENABLE_SHIFT			24
+#define OMAP4_DSI1_LANEENABLE_MASK			(0x1f << 24)
+#define OMAP4_DSI1_PIPD_SHIFT				19
+#define OMAP4_DSI1_PIPD_MASK				(0x1f << 19)
+#define OMAP4_DSI2_PIPD_SHIFT				14
+#define OMAP4_DSI2_PIPD_MASK				(0x1f << 14)
+
+static int dsi_omap4_mux_pads(struct dsi_data *dsi, unsigned int lanes)
+{
+	u32 enable_mask, enable_shift;
+	u32 pipd_mask, pipd_shift;
+
+	if (dsi->module_id == 0) {
+		enable_mask = OMAP4_DSI1_LANEENABLE_MASK;
+		enable_shift = OMAP4_DSI1_LANEENABLE_SHIFT;
+		pipd_mask = OMAP4_DSI1_PIPD_MASK;
+		pipd_shift = OMAP4_DSI1_PIPD_SHIFT;
+	} else if (dsi->module_id == 1) {
+		enable_mask = OMAP4_DSI2_LANEENABLE_MASK;
+		enable_shift = OMAP4_DSI2_LANEENABLE_SHIFT;
+		pipd_mask = OMAP4_DSI2_PIPD_MASK;
+		pipd_shift = OMAP4_DSI2_PIPD_SHIFT;
+	} else {
+		return -ENODEV;
+	}
+
+	return regmap_update_bits(dsi->syscon, OMAP4_DSIPHY_SYSCON_OFFSET,
+		enable_mask | pipd_mask,
+		(lanes << enable_shift) | (lanes << pipd_shift));
+}
+
+/* OMAP5 CONTROL_DSIPHY */
+
+#define OMAP5_DSIPHY_SYSCON_OFFSET	0x74
+
+#define OMAP5_DSI1_LANEENABLE_SHIFT	24
+#define OMAP5_DSI2_LANEENABLE_SHIFT	19
+#define OMAP5_DSI_LANEENABLE_MASK	0x1f
+
+static int dsi_omap5_mux_pads(struct dsi_data *dsi, unsigned int lanes)
+{
+	u32 enable_shift;
+
+	if (dsi->module_id == 0)
+		enable_shift = OMAP5_DSI1_LANEENABLE_SHIFT;
+	else if (dsi->module_id == 1)
+		enable_shift = OMAP5_DSI2_LANEENABLE_SHIFT;
+	else
+		return -ENODEV;
+
+	return regmap_update_bits(dsi->syscon, OMAP5_DSIPHY_SYSCON_OFFSET,
+		OMAP5_DSI_LANEENABLE_MASK << enable_shift,
+		lanes << enable_shift);
+}
+
+static int dsi_enable_pads(struct dsi_data *dsi, unsigned int lane_mask)
+{
+	if (dsi->data->model == DSI_MODEL_OMAP4)
+		return dsi_omap4_mux_pads(dsi, lane_mask);
+	if (dsi->data->model == DSI_MODEL_OMAP5)
+		return dsi_omap5_mux_pads(dsi, lane_mask);
+	return 0;
+}
+
+static void dsi_disable_pads(struct dsi_data *dsi)
+{
+	if (dsi->data->model == DSI_MODEL_OMAP4)
+		dsi_omap4_mux_pads(dsi, 0);
+	else if (dsi->data->model == DSI_MODEL_OMAP5)
+		dsi_omap5_mux_pads(dsi, 0);
+}
+
 static int dsi_cio_init(struct platform_device *dsidev)
 {
 	struct dsi_data *dsi = dsi_get_dsidrv_data(dsidev);
@@ -2068,7 +2176,7 @@ static int dsi_cio_init(struct platform_device *dsidev)
 
 	DSSDBG("DSI CIO init starts");
 
-	r = dss_dsi_enable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+	r = dsi_enable_pads(dsi, dsi_get_lane_mask(dsidev));
 	if (r)
 		return r;
 
@@ -2178,7 +2286,7 @@ static int dsi_cio_init(struct platform_device *dsidev)
 		dsi_cio_disable_lane_override(dsidev);
 err_scp_clk_dom:
 	dsi_disable_scp_clk(dsidev);
-	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+	dsi_disable_pads(dsi);
 	return r;
 }
 
@@ -2191,7 +2299,7 @@ static void dsi_cio_uninit(struct platform_device *dsidev)
 
 	dsi_cio_power(dsidev, DSI_COMPLEXIO_POWER_OFF);
 	dsi_disable_scp_clk(dsidev);
-	dss_dsi_disable_pads(dsi->module_id, dsi_get_lane_mask(dsidev));
+	dsi_disable_pads(dsi);
 }
 
 static void dsi_config_tx_fifo(struct platform_device *dsidev,
@@ -2439,7 +2547,7 @@ static void dsi_vc_initial_config(struct platform_device *dsidev, int channel)
 	r = FLD_MOD(r, 1, 7, 7); /* CS_TX_EN */
 	r = FLD_MOD(r, 1, 8, 8); /* ECC_TX_EN */
 	r = FLD_MOD(r, 0, 9, 9); /* MODE_SPEED, high speed on/off */
-	if (dss_has_feature(FEAT_DSI_VC_OCP_WIDTH))
+	if (dsi->data->quirks & DSI_QUIRK_VC_OCP_WIDTH)
 		r = FLD_MOD(r, 3, 11, 10);	/* OCP_WIDTH = 32 bit */
 
 	r = FLD_MOD(r, 4, 29, 27); /* DMA_RX_REQ_NB = no dma */
@@ -2474,7 +2582,7 @@ static int dsi_vc_config_source(struct platform_device *dsidev, int channel,
 	REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), source, 1, 1);
 
 	/* DCS_CMD_ENABLE */
-	if (dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+	if (dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC) {
 		bool enable = source == DSI_VC_SOURCE_VP;
 		REG_FLD_MOD(dsidev, DSI_VC_CTRL(channel), enable, 30, 30);
 	}
@@ -3607,7 +3715,7 @@ static int dsi_proto_config(struct platform_device *dsidev)
 	r = FLD_MOD(r, 0, 8, 8);	/* VP_CLK_POL */
 	r = FLD_MOD(r, 1, 14, 14);	/* TRIGGER_RESET_MODE */
 	r = FLD_MOD(r, 1, 19, 19);	/* EOT_ENABLE */
-	if (!dss_has_feature(FEAT_DSI_DCS_CMD_CONFIG_VC)) {
+	if (!(dsi->data->quirks & DSI_QUIRK_DCS_CMD_CONFIG_VC)) {
 		r = FLD_MOD(r, 1, 24, 24);	/* DCS_CMD_ENABLE */
 		/* DCS_CMD_CODE, 1=start, 0=continue */
 		r = FLD_MOD(r, 0, 25, 25);
@@ -4450,6 +4558,7 @@ static bool dsi_cm_calc_pll_cb(int n, int m, unsigned long fint,
 		unsigned long clkdco, void *data)
 {
 	struct dsi_clk_calc_ctx *ctx = data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
 
 	ctx->dsi_cinfo.n = n;
 	ctx->dsi_cinfo.m = m;
@@ -4457,7 +4566,7 @@ static bool dsi_cm_calc_pll_cb(int n, int m, unsigned long fint,
 	ctx->dsi_cinfo.clkdco = clkdco;
 
 	return dss_pll_hsdiv_calc_a(ctx->pll, clkdco, ctx->req_pck_min,
-			dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+			dsi->data->max_fck_freq,
 			dsi_cm_calc_hsdiv_cb, ctx);
 }
 
@@ -4749,6 +4858,7 @@ static bool dsi_vm_calc_pll_cb(int n, int m, unsigned long fint,
 		unsigned long clkdco, void *data)
 {
 	struct dsi_clk_calc_ctx *ctx = data;
+	struct dsi_data *dsi = dsi_get_dsidrv_data(ctx->dsidev);
 
 	ctx->dsi_cinfo.n = n;
 	ctx->dsi_cinfo.m = m;
@@ -4756,7 +4866,7 @@ static bool dsi_vm_calc_pll_cb(int n, int m, unsigned long fint,
 	ctx->dsi_cinfo.clkdco = clkdco;
 
 	return dss_pll_hsdiv_calc_a(ctx->pll, clkdco, ctx->req_pck_min,
-			dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
+			dsi->data->max_fck_freq,
 			dsi_vm_calc_hsdiv_cb, ctx);
 }
 
@@ -4827,7 +4937,7 @@ static int dsi_set_config(struct omap_dss_device *dssdev,
 		goto err;
 	}
 
-	dsi_pll_calc_dsi_fck(&ctx.dsi_cinfo);
+	dsi_pll_calc_dsi_fck(dsi, &ctx.dsi_cinfo);
 
 	r = dsi_lp_clock_calc(ctx.dsi_cinfo.clkout[HSDIV_DSI],
 		config->lp_clk_min, config->lp_clk_max, &dsi->user_lp_cinfo);
@@ -4857,24 +4967,14 @@ static int dsi_set_config(struct omap_dss_device *dssdev,
  * the channel in some more dynamic manner, or get the channel as a user
  * parameter.
  */
-static enum omap_channel dsi_get_channel(int module_id)
+static enum omap_channel dsi_get_channel(struct dsi_data *dsi)
 {
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-	case OMAPDSS_VER_AM43xx:
-		DSSWARN("DSI not supported\n");
+	switch (dsi->data->model) {
+	case DSI_MODEL_OMAP3:
 		return OMAP_DSS_CHANNEL_LCD;
 
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-		return OMAP_DSS_CHANNEL_LCD;
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
-		switch (module_id) {
+	case DSI_MODEL_OMAP4:
+		switch (dsi->module_id) {
 		case 0:
 			return OMAP_DSS_CHANNEL_LCD;
 		case 1:
@@ -4884,8 +4984,8 @@ static enum omap_channel dsi_get_channel(int module_id)
 			return OMAP_DSS_CHANNEL_LCD;
 		}
 
-	case OMAPDSS_VER_OMAP5:
-		switch (module_id) {
+	case DSI_MODEL_OMAP5:
+		switch (dsi->module_id) {
 		case 0:
 			return OMAP_DSS_CHANNEL_LCD;
 		case 1:
@@ -5065,7 +5165,7 @@ static void dsi_init_output(struct platform_device *dsidev)
 
 	out->output_type = OMAP_DISPLAY_TYPE_DSI;
 	out->name = dsi->module_id == 0 ? "dsi.0" : "dsi.1";
-	out->dispc_channel = dsi_get_channel(dsi->module_id);
+	out->dispc_channel = dsi_get_channel(dsi);
 	out->ops.dsi = &dsi_ops;
 	out->owner = THIS_MODULE;
 
@@ -5240,29 +5340,7 @@ static int dsi_init_pll_data(struct platform_device *dsidev)
 	pll->id = dsi->module_id == 0 ? DSS_PLL_DSI1 : DSS_PLL_DSI2;
 	pll->clkin = clk;
 	pll->base = dsi->pll_base;
-
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-		pll->hw = &dss_omap3_dsi_pll_hw;
-		break;
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
-		pll->hw = &dss_omap4_dsi_pll_hw;
-		break;
-
-	case OMAPDSS_VER_OMAP5:
-		pll->hw = &dss_omap5_dsi_pll_hw;
-		break;
-
-	default:
-		return -ENODEV;
-	}
-
+	pll->hw = dsi->data->pll_hw;
 	pll->ops = &dsi_pll_ops;
 
 	r = dss_pll_register(pll);
@@ -5273,9 +5351,74 @@ static int dsi_init_pll_data(struct platform_device *dsidev)
 }
 
 /* DSI1 HW IP initialisation */
+static const struct dsi_of_data dsi_of_data_omap34xx = {
+	.model = DSI_MODEL_OMAP3,
+	.pll_hw = &dss_omap3_dsi_pll_hw,
+	.modules = (const struct dsi_module_id_data[]) {
+		{ .address = 0x4804fc00, .id = 0, },
+		{ },
+	},
+	.max_fck_freq = 173000000,
+	.max_pll_lpdiv = (1 << 13) - 1,
+	.quirks = DSI_QUIRK_REVERSE_TXCLKESC,
+};
+
+static const struct dsi_of_data dsi_of_data_omap36xx = {
+	.model = DSI_MODEL_OMAP3,
+	.pll_hw = &dss_omap3_dsi_pll_hw,
+	.modules = (const struct dsi_module_id_data[]) {
+		{ .address = 0x4804fc00, .id = 0, },
+		{ },
+	},
+	.max_fck_freq = 173000000,
+	.max_pll_lpdiv = (1 << 13) - 1,
+	.quirks = DSI_QUIRK_PLL_PWR_BUG,
+};
+
+static const struct dsi_of_data dsi_of_data_omap4 = {
+	.model = DSI_MODEL_OMAP4,
+	.pll_hw = &dss_omap4_dsi_pll_hw,
+	.modules = (const struct dsi_module_id_data[]) {
+		{ .address = 0x58004000, .id = 0, },
+		{ .address = 0x58005000, .id = 1, },
+		{ },
+	},
+	.max_fck_freq = 170000000,
+	.max_pll_lpdiv = (1 << 13) - 1,
+	.quirks = DSI_QUIRK_DCS_CMD_CONFIG_VC | DSI_QUIRK_VC_OCP_WIDTH
+		| DSI_QUIRK_GNQ,
+};
+
+static const struct dsi_of_data dsi_of_data_omap5 = {
+	.model = DSI_MODEL_OMAP5,
+	.pll_hw = &dss_omap5_dsi_pll_hw,
+	.modules = (const struct dsi_module_id_data[]) {
+		{ .address = 0x58004000, .id = 0, },
+		{ .address = 0x58009000, .id = 1, },
+		{ },
+	},
+	.max_fck_freq = 209250000,
+	.max_pll_lpdiv = (1 << 13) - 1,
+	.quirks = DSI_QUIRK_DCS_CMD_CONFIG_VC | DSI_QUIRK_VC_OCP_WIDTH
+		| DSI_QUIRK_GNQ | DSI_QUIRK_PHY_DCC,
+};
+
+static const struct of_device_id dsi_of_match[] = {
+	{ .compatible = "ti,omap3-dsi", .data = &dsi_of_data_omap36xx, },
+	{ .compatible = "ti,omap4-dsi", .data = &dsi_of_data_omap4, },
+	{ .compatible = "ti,omap5-dsi", .data = &dsi_of_data_omap5, },
+	{},
+};
+
+static const struct soc_device_attribute dsi_soc_devices[] = {
+	{ .machine = "OMAP3[45]*",	.data = &dsi_of_data_omap34xx },
+	{ .machine = "AM35*",		.data = &dsi_of_data_omap34xx },
+	{ /* sentinel */ }
+};
 static int dsi_bind(struct device *dev, struct device *master, void *data)
 {
 	struct platform_device *dsidev = to_platform_device(dev);
+	const struct soc_device_attribute *soc;
 	const struct dsi_module_id_data *d;
 	u32 rev;
 	int r, i;
@@ -5339,7 +5482,13 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
 		return r;
 	}
 
-	d = of_match_node(dsi_of_match, dsidev->dev.of_node)->data;
+	soc = soc_device_match(dsi_soc_devices);
+	if (soc)
+		dsi->data = soc->data;
+	else
+		dsi->data = of_match_node(dsi_of_match, dev->of_node)->data;
+
+	d = dsi->data->modules;
 	while (d->address != 0 && d->address != dsi_mem->start)
 		d++;
 
@@ -5350,6 +5499,24 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
 
 	dsi->module_id = d->id;
 
+	if (dsi->data->model == DSI_MODEL_OMAP4 ||
+	    dsi->data->model == DSI_MODEL_OMAP5) {
+		struct device_node *np;
+
+		/*
+		 * The OMAP4/5 display DT bindings don't reference the padconf
+		 * syscon. Our only option to retrieve it is to find it by name.
+		 */
+		np = of_find_node_by_name(NULL,
+			dsi->data->model == DSI_MODEL_OMAP4 ?
+			"omap4_padconf_global" : "omap5_padconf_global");
+		if (!np)
+			return -ENODEV;
+
+		dsi->syscon = syscon_node_to_regmap(np);
+		of_node_put(np);
+	}
+
 	/* DSI VCs initialization */
 	for (i = 0; i < ARRAY_SIZE(dsi->vc); i++) {
 		dsi->vc[i].source = DSI_VC_SOURCE_L4;
@@ -5375,7 +5542,7 @@ static int dsi_bind(struct device *dev, struct device *master, void *data)
 
 	/* DSI on OMAP3 doesn't have register DSI_GNQ, set number
 	 * of data to 3 by default */
-	if (dss_has_feature(FEAT_DSI_GNQ))
+	if (dsi->data->quirks & DSI_QUIRK_GNQ)
 		/* NB_DATA_LANES */
 		dsi->num_lanes_supported = 1 + REG_GET(dsidev, DSI_GNQ, 11, 9);
 	else
@@ -5495,30 +5662,6 @@ static const struct dev_pm_ops dsi_pm_ops = {
 	.runtime_resume = dsi_runtime_resume,
 };
 
-static const struct dsi_module_id_data dsi_of_data_omap3[] = {
-	{ .address = 0x4804fc00, .id = 0, },
-	{ },
-};
-
-static const struct dsi_module_id_data dsi_of_data_omap4[] = {
-	{ .address = 0x58004000, .id = 0, },
-	{ .address = 0x58005000, .id = 1, },
-	{ },
-};
-
-static const struct dsi_module_id_data dsi_of_data_omap5[] = {
-	{ .address = 0x58004000, .id = 0, },
-	{ .address = 0x58009000, .id = 1, },
-	{ },
-};
-
-static const struct of_device_id dsi_of_match[] = {
-	{ .compatible = "ti,omap3-dsi", .data = dsi_of_data_omap3, },
-	{ .compatible = "ti,omap4-dsi", .data = dsi_of_data_omap4, },
-	{ .compatible = "ti,omap5-dsi", .data = dsi_of_data_omap5, },
-	{},
-};
-
 static struct platform_driver omap_dsihw_driver = {
 	.probe		= dsi_probe,
 	.remove		= dsi_remove,

drivers/gpu/drm/omapdrm/dss/dss.c

@@ -22,6 +22,7 @@
 
 #define DSS_SUBSYS_NAME "DSS"
 
+#include <linux/debugfs.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/io.h>
@@ -38,14 +39,15 @@
 #include <linux/mfd/syscon.h>
 #include <linux/regmap.h>
 #include <linux/of.h>
+#include <linux/of_device.h>
 #include <linux/of_graph.h>
 #include <linux/regulator/consumer.h>
 #include <linux/suspend.h>
 #include <linux/component.h>
+#include <linux/sys_soc.h>
 
 #include "omapdss.h"
 #include "dss.h"
-#include "dss_features.h"
 
 #define DSS_SZ_REGS			SZ_512
 
@@ -69,15 +71,24 @@ struct dss_reg {
 #define REG_FLD_MOD(idx, val, start, end) \
 	dss_write_reg(idx, FLD_MOD(dss_read_reg(idx), val, start, end))
 
+struct dss_ops {
+	int (*dpi_select_source)(int port, enum omap_channel channel);
+	int (*select_lcd_source)(enum omap_channel channel,
+		enum dss_clk_source clk_src);
+};
+
 struct dss_features {
+	enum dss_model model;
 	u8 fck_div_max;
+	unsigned int fck_freq_max;
 	u8 dss_fck_multiplier;
 	const char *parent_clk_name;
 	const enum omap_display_type *ports;
 	int num_ports;
-	int (*dpi_select_source)(int port, enum omap_channel channel);
-	int (*select_lcd_source)(enum omap_channel channel,
-		enum dss_clk_source clk_src);
+	const enum omap_dss_output_id *outputs;
+	const struct dss_ops *ops;
+	struct dss_reg_field dispc_clk_switch;
+	bool has_lcd_clk_src;
 };
 
 static struct {
@@ -139,8 +150,7 @@ static void dss_save_context(void)
 
 	SR(CONTROL);
 
-	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DISPLAY_TYPE_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		SR(SDI_CONTROL);
 		SR(PLL_CONTROL);
 	}
@@ -159,8 +169,7 @@ static void dss_restore_context(void)
 
 	RR(CONTROL);
 
-	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DISPLAY_TYPE_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		RR(SDI_CONTROL);
 		RR(PLL_CONTROL);
 	}
@@ -390,8 +399,7 @@ static void dss_dump_regs(struct seq_file *s)
 	DUMPREG(DSS_SYSSTATUS);
 	DUMPREG(DSS_CONTROL);
 
-	if (dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DISPLAY_TYPE_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		DUMPREG(DSS_SDI_CONTROL);
 		DUMPREG(DSS_PLL_CONTROL);
 		DUMPREG(DSS_SDI_STATUS);
@@ -419,14 +427,12 @@ static int dss_get_channel_index(enum omap_channel channel)
 static void dss_select_dispc_clk_source(enum dss_clk_source clk_src)
 {
 	int b;
-	u8 start, end;
 
 	/*
 	 * We always use PRCM clock as the DISPC func clock, except on DSS3,
 	 * where we don't have separate DISPC and LCD clock sources.
 	 */
-	if (WARN_ON(dss_has_feature(FEAT_LCD_CLK_SRC) &&
-		clk_src != DSS_CLK_SRC_FCK))
+	if (WARN_ON(dss.feat->has_lcd_clk_src && clk_src != DSS_CLK_SRC_FCK))
 		return;
 
 	switch (clk_src) {
@@ -444,9 +450,9 @@ static void dss_select_dispc_clk_source(enum dss_clk_source clk_src)
 		return;
 	}
 
-	dss_feat_get_reg_field(FEAT_REG_DISPC_CLK_SWITCH, &start, &end);
-
-	REG_FLD_MOD(DSS_CONTROL, b, start, end);	/* DISPC_CLK_SWITCH */
+	REG_FLD_MOD(DSS_CONTROL, b,			/* DISPC_CLK_SWITCH */
+		    dss.feat->dispc_clk_switch.start,
+		    dss.feat->dispc_clk_switch.end);
 
 	dss.dispc_clk_source = clk_src;
 }
@@ -570,13 +576,13 @@ void dss_select_lcd_clk_source(enum omap_channel channel,
 	int idx = dss_get_channel_index(channel);
 	int r;
 
-	if (!dss_has_feature(FEAT_LCD_CLK_SRC)) {
+	if (!dss.feat->has_lcd_clk_src) {
 		dss_select_dispc_clk_source(clk_src);
 		dss.lcd_clk_source[idx] = clk_src;
 		return;
 	}
 
-	r = dss.feat->select_lcd_source(channel, clk_src);
+	r = dss.feat->ops->select_lcd_source(channel, clk_src);
 	if (r)
 		return;
 
@@ -595,7 +601,7 @@ enum dss_clk_source dss_get_dsi_clk_source(int dsi_module)
 
 enum dss_clk_source dss_get_lcd_clk_source(enum omap_channel channel)
 {
-	if (dss_has_feature(FEAT_LCD_CLK_SRC)) {
+	if (dss.feat->has_lcd_clk_src) {
 		int idx = dss_get_channel_index(channel);
 		return dss.lcd_clk_source[idx];
 	} else {
@@ -615,7 +621,7 @@ bool dss_div_calc(unsigned long pck, unsigned long fck_min,
 	unsigned long prate;
 	unsigned m;
 
-	fck_hw_max = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+	fck_hw_max = dss.feat->fck_freq_max;
 
 	if (dss.parent_clk == NULL) {
 		unsigned pckd;
@@ -673,6 +679,16 @@ unsigned long dss_get_dispc_clk_rate(void)
 	return dss.dss_clk_rate;
 }
 
+unsigned long dss_get_max_fck_rate(void)
+{
+	return dss.feat->fck_freq_max;
+}
+
+enum omap_dss_output_id dss_get_supported_outputs(enum omap_channel channel)
+{
+	return dss.feat->outputs[channel];
+}
+
 static int dss_setup_default_clock(void)
 {
 	unsigned long max_dss_fck, prate;
@@ -680,7 +696,7 @@ static int dss_setup_default_clock(void)
 	unsigned fck_div;
 	int r;
 
-	max_dss_fck = dss_feat_get_param_max(FEAT_PARAM_DSS_FCK);
+	max_dss_fck = dss.feat->fck_freq_max;
 
 	if (dss.parent_clk == NULL) {
 		fck = clk_round_rate(dss.dss_clk, max_dss_fck);
@@ -721,27 +737,29 @@ void dss_set_dac_pwrdn_bgz(bool enable)
 
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select src)
 {
-	enum omap_display_type dp;
-	dp = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
+	enum omap_dss_output_id outputs;
+
+	outputs = dss.feat->outputs[OMAP_DSS_CHANNEL_DIGIT];
 
 	/* Complain about invalid selections */
-	WARN_ON((src == DSS_VENC_TV_CLK) && !(dp & OMAP_DISPLAY_TYPE_VENC));
-	WARN_ON((src == DSS_HDMI_M_PCLK) && !(dp & OMAP_DISPLAY_TYPE_HDMI));
+	WARN_ON((src == DSS_VENC_TV_CLK) && !(outputs & OMAP_DSS_OUTPUT_VENC));
+	WARN_ON((src == DSS_HDMI_M_PCLK) && !(outputs & OMAP_DSS_OUTPUT_HDMI));
 
 	/* Select only if we have options */
-	if ((dp & OMAP_DISPLAY_TYPE_VENC) && (dp & OMAP_DISPLAY_TYPE_HDMI))
+	if ((outputs & OMAP_DSS_OUTPUT_VENC) &&
+	    (outputs & OMAP_DSS_OUTPUT_HDMI))
 		REG_FLD_MOD(DSS_CONTROL, src, 15, 15);	/* VENC_HDMI_SWITCH */
 }
 
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
 {
-	enum omap_display_type displays;
+	enum omap_dss_output_id outputs;
 
-	displays = dss_feat_get_supported_displays(OMAP_DSS_CHANNEL_DIGIT);
-	if ((displays & OMAP_DISPLAY_TYPE_HDMI) == 0)
+	outputs = dss.feat->outputs[OMAP_DSS_CHANNEL_DIGIT];
+	if ((outputs & OMAP_DSS_OUTPUT_HDMI) == 0)
 		return DSS_VENC_TV_CLK;
 
-	if ((displays & OMAP_DISPLAY_TYPE_VENC) == 0)
+	if ((outputs & OMAP_DSS_OUTPUT_VENC) == 0)
 		return DSS_HDMI_M_PCLK;
 
 	return REG_GET(DSS_CONTROL, 15, 15);
@@ -823,7 +841,7 @@ static int dss_dpi_select_source_dra7xx(int port, enum omap_channel channel)
 
 int dss_dpi_select_source(int port, enum omap_channel channel)
 {
-	return dss.feat->dpi_select_source(port, channel);
+	return dss.feat->ops->dpi_select_source(port, channel);
 }
 
 static int dss_get_clocks(void)
@@ -882,7 +900,7 @@ void dss_runtime_put(void)
 
 /* DEBUGFS */
 #if defined(CONFIG_OMAP2_DSS_DEBUGFS)
-void dss_debug_dump_clocks(struct seq_file *s)
+static void dss_debug_dump_clocks(struct seq_file *s)
 {
 	dss_dump_clocks(s);
 	dispc_dump_clocks(s);
@@ -890,8 +908,88 @@ void dss_debug_dump_clocks(struct seq_file *s)
 	dsi_dump_clocks(s);
 #endif
 }
-#endif
 
+static int dss_debug_show(struct seq_file *s, void *unused)
+{
+	void (*func)(struct seq_file *) = s->private;
+
+	func(s);
+	return 0;
+}
+
+static int dss_debug_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, dss_debug_show, inode->i_private);
+}
+
+static const struct file_operations dss_debug_fops = {
+	.open           = dss_debug_open,
+	.read           = seq_read,
+	.llseek         = seq_lseek,
+	.release        = single_release,
+};
+
+static struct dentry *dss_debugfs_dir;
+
+static int dss_initialize_debugfs(void)
+{
+	dss_debugfs_dir = debugfs_create_dir("omapdss", NULL);
+	if (IS_ERR(dss_debugfs_dir)) {
+		int err = PTR_ERR(dss_debugfs_dir);
+
+		dss_debugfs_dir = NULL;
+		return err;
+	}
+
+	debugfs_create_file("clk", S_IRUGO, dss_debugfs_dir,
+			&dss_debug_dump_clocks, &dss_debug_fops);
+
+	return 0;
+}
+
+static void dss_uninitialize_debugfs(void)
+{
+	if (dss_debugfs_dir)
+		debugfs_remove_recursive(dss_debugfs_dir);
+}
+
+int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *))
+{
+	struct dentry *d;
+
+	d = debugfs_create_file(name, S_IRUGO, dss_debugfs_dir,
+			write, &dss_debug_fops);
+
+	return PTR_ERR_OR_ZERO(d);
+}
+#else /* CONFIG_OMAP2_DSS_DEBUGFS */
+static inline int dss_initialize_debugfs(void)
+{
+	return 0;
+}
+static inline void dss_uninitialize_debugfs(void)
+{
+}
+#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
+
+static const struct dss_ops dss_ops_omap2_omap3 = {
+	.dpi_select_source = &dss_dpi_select_source_omap2_omap3,
+};
+
+static const struct dss_ops dss_ops_omap4 = {
+	.dpi_select_source = &dss_dpi_select_source_omap4,
+	.select_lcd_source = &dss_lcd_clk_mux_omap4,
+};
+
+static const struct dss_ops dss_ops_omap5 = {
+	.dpi_select_source = &dss_dpi_select_source_omap5,
+	.select_lcd_source = &dss_lcd_clk_mux_omap5,
+};
+
+static const struct dss_ops dss_ops_dra7 = {
+	.dpi_select_source = &dss_dpi_select_source_dra7xx,
+	.select_lcd_source = &dss_lcd_clk_mux_dra7,
+};
 
 static const enum omap_display_type omap2plus_ports[] = {
 	OMAP_DISPLAY_TYPE_DPI,
@@ -908,130 +1006,168 @@ static const enum omap_display_type dra7xx_ports[] = {
 	OMAP_DISPLAY_TYPE_DPI,
 };
 
+static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+};
+
+static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
+static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_LCD3 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
 static const struct dss_features omap24xx_dss_feats = {
+	.model			=	DSS_MODEL_OMAP2,
 	/*
 	 * fck div max is really 16, but the divider range has gaps. The range
 	 * from 1 to 6 has no gaps, so let's use that as a max.
 	 */
 	.fck_div_max		=	6,
+	.fck_freq_max		=	133000000,
 	.dss_fck_multiplier	=	2,
 	.parent_clk_name	=	"core_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap2_dss_supported_outputs,
+	.ops			=	&dss_ops_omap2_omap3,
+	.dispc_clk_switch	=	{ 0, 0 },
+	.has_lcd_clk_src	=	false,
 };
 
 static const struct dss_features omap34xx_dss_feats = {
+	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	16,
+	.fck_freq_max		=	173000000,
 	.dss_fck_multiplier	=	2,
 	.parent_clk_name	=	"dpll4_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 	.ports			=	omap34xx_ports,
+	.outputs		=	omap3430_dss_supported_outputs,
 	.num_ports		=	ARRAY_SIZE(omap34xx_ports),
+	.ops			=	&dss_ops_omap2_omap3,
+	.dispc_clk_switch	=	{ 0, 0 },
+	.has_lcd_clk_src	=	false,
 };
 
 static const struct dss_features omap3630_dss_feats = {
+	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	32,
+	.fck_freq_max		=	173000000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll4_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap3630_dss_supported_outputs,
+	.ops			=	&dss_ops_omap2_omap3,
+	.dispc_clk_switch	=	{ 0, 0 },
+	.has_lcd_clk_src	=	false,
 };
 
 static const struct dss_features omap44xx_dss_feats = {
+	.model			=	DSS_MODEL_OMAP4,
 	.fck_div_max		=	32,
+	.fck_freq_max		=	186000000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_omap4,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
-	.select_lcd_source	=	&dss_lcd_clk_mux_omap4,
+	.outputs		=	omap4_dss_supported_outputs,
+	.ops			=	&dss_ops_omap4,
+	.dispc_clk_switch	=	{ 9, 8 },
+	.has_lcd_clk_src	=	true,
 };
 
 static const struct dss_features omap54xx_dss_feats = {
+	.model			=	DSS_MODEL_OMAP5,
 	.fck_div_max		=	64,
+	.fck_freq_max		=	209250000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_omap5,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
-	.select_lcd_source	=	&dss_lcd_clk_mux_omap5,
+	.outputs		=	omap5_dss_supported_outputs,
+	.ops			=	&dss_ops_omap5,
+	.dispc_clk_switch	=	{ 9, 7 },
+	.has_lcd_clk_src	=	true,
 };
 
 static const struct dss_features am43xx_dss_feats = {
+	.model			=	DSS_MODEL_OMAP3,
 	.fck_div_max		=	0,
+	.fck_freq_max		=	200000000,
 	.dss_fck_multiplier	=	0,
 	.parent_clk_name	=	NULL,
-	.dpi_select_source	=	&dss_dpi_select_source_omap2_omap3,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	am43xx_dss_supported_outputs,
+	.ops			=	&dss_ops_omap2_omap3,
+	.dispc_clk_switch	=	{ 0, 0 },
+	.has_lcd_clk_src	=	true,
 };
 
 static const struct dss_features dra7xx_dss_feats = {
+	.model			=	DSS_MODEL_DRA7,
 	.fck_div_max		=	64,
+	.fck_freq_max		=	209250000,
 	.dss_fck_multiplier	=	1,
 	.parent_clk_name	=	"dpll_per_x2_ck",
-	.dpi_select_source	=	&dss_dpi_select_source_dra7xx,
 	.ports			=	dra7xx_ports,
 	.num_ports		=	ARRAY_SIZE(dra7xx_ports),
-	.select_lcd_source	=	&dss_lcd_clk_mux_dra7,
+	.outputs		=	omap5_dss_supported_outputs,
+	.ops			=	&dss_ops_dra7,
+	.dispc_clk_switch	=	{ 9, 7 },
+	.has_lcd_clk_src	=	true,
 };
 
-static int dss_init_features(struct platform_device *pdev)
-{
-	const struct dss_features *src;
-	struct dss_features *dst;
-
-	dst = devm_kzalloc(&pdev->dev, sizeof(*dst), GFP_KERNEL);
-	if (!dst) {
-		dev_err(&pdev->dev, "Failed to allocate local DSS Features\n");
-		return -ENOMEM;
-	}
-
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-		src = &omap24xx_dss_feats;
-		break;
-
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_AM35xx:
-		src = &omap34xx_dss_feats;
-		break;
-
-	case OMAPDSS_VER_OMAP3630:
-		src = &omap3630_dss_feats;
-		break;
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
-		src = &omap44xx_dss_feats;
-		break;
-
-	case OMAPDSS_VER_OMAP5:
-		src = &omap54xx_dss_feats;
-		break;
-
-	case OMAPDSS_VER_AM43xx:
-		src = &am43xx_dss_feats;
-		break;
-
-	case OMAPDSS_VER_DRA7xx:
-		src = &dra7xx_dss_feats;
-		break;
-
-	default:
-		return -ENODEV;
-	}
-
-	memcpy(dst, src, sizeof(*dst));
-	dss.feat = dst;
-
-	return 0;
-}
-
 static int dss_init_ports(struct platform_device *pdev)
 {
 	struct device_node *parent = pdev->dev.of_node;
@@ -1045,7 +1181,7 @@ static int dss_init_ports(struct platform_device *pdev)
 
 		switch (dss.feat->ports[i]) {
 		case OMAP_DISPLAY_TYPE_DPI:
-			dpi_init_port(pdev, port);
+			dpi_init_port(pdev, port, dss.feat->model);
 			break;
 		case OMAP_DISPLAY_TYPE_SDI:
 			sdi_init_port(pdev, port);
@@ -1144,6 +1280,23 @@ static int dss_video_pll_probe(struct platform_device *pdev)
 }
 
 /* DSS HW IP initialisation */
+static const struct of_device_id dss_of_match[] = {
+	{ .compatible = "ti,omap2-dss", .data = &omap24xx_dss_feats },
+	{ .compatible = "ti,omap3-dss", .data = &omap3630_dss_feats },
+	{ .compatible = "ti,omap4-dss", .data = &omap44xx_dss_feats },
+	{ .compatible = "ti,omap5-dss", .data = &omap54xx_dss_feats },
+	{ .compatible = "ti,dra7-dss",  .data = &dra7xx_dss_feats },
+	{},
+};
+MODULE_DEVICE_TABLE(of, dss_of_match);
+
+static const struct soc_device_attribute dss_soc_devices[] = {
+	{ .machine = "OMAP3430/3530", .data = &omap34xx_dss_feats },
+	{ .machine = "AM35??",        .data = &omap34xx_dss_feats },
+	{ .family  = "AM43xx",        .data = &am43xx_dss_feats },
+	{ /* sentinel */ }
+};
+
 static int dss_bind(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
@@ -1151,12 +1304,6 @@ static int dss_bind(struct device *dev)
 	u32 rev;
 	int r;
 
-	dss.pdev = pdev;
-
-	r = dss_init_features(dss.pdev);
-	if (r)
-		return r;
-
 	dss_mem = platform_get_resource(dss.pdev, IORESOURCE_MEM, 0);
 	dss.base = devm_ioremap_resource(&pdev->dev, dss_mem);
 	if (IS_ERR(dss.base))
@@ -1288,15 +1435,34 @@ static int dss_add_child_component(struct device *dev, void *data)
 
 static int dss_probe(struct platform_device *pdev)
 {
+	const struct soc_device_attribute *soc;
 	struct component_match *match = NULL;
 	int r;
 
+	dss.pdev = pdev;
+
+	/*
+	 * The various OMAP3-based SoCs can't be told apart using the compatible
+	 * string, use SoC device matching.
+	 */
+	soc = soc_device_match(dss_soc_devices);
+	if (soc)
+		dss.feat = soc->data;
+	else
+		dss.feat = of_match_device(dss_of_match, &pdev->dev)->data;
+
+	r = dss_initialize_debugfs();
+	if (r)
+		return r;
+
 	/* add all the child devices as components */
 	device_for_each_child(&pdev->dev, &match, dss_add_child_component);
 
 	r = component_master_add_with_match(&pdev->dev, &dss_component_ops, match);
-	if (r)
+	if (r) {
+		dss_uninitialize_debugfs();
 		return r;
+	}
 
 	return 0;
 }
@@ -1304,9 +1470,27 @@ static int dss_probe(struct platform_device *pdev)
 static int dss_remove(struct platform_device *pdev)
 {
 	component_master_del(&pdev->dev, &dss_component_ops);
+
+	dss_uninitialize_debugfs();
+
 	return 0;
 }
 
+static void dss_shutdown(struct platform_device *pdev)
+{
+	struct omap_dss_device *dssdev = NULL;
+
+	DSSDBG("shutdown\n");
+
+	for_each_dss_dev(dssdev) {
+		if (!dssdev->driver)
+			continue;
+
+		if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
+			dssdev->driver->disable(dssdev);
+	}
+}
+
 static int dss_runtime_suspend(struct device *dev)
 {
 	dss_save_context();
@@ -1343,20 +1527,10 @@ static const struct dev_pm_ops dss_pm_ops = {
 	.runtime_resume = dss_runtime_resume,
 };
 
-static const struct of_device_id dss_of_match[] = {
-	{ .compatible = "ti,omap2-dss", },
-	{ .compatible = "ti,omap3-dss", },
-	{ .compatible = "ti,omap4-dss", },
-	{ .compatible = "ti,omap5-dss", },
-	{ .compatible = "ti,dra7-dss", },
-	{},
-};
-
-MODULE_DEVICE_TABLE(of, dss_of_match);
-
 static struct platform_driver omap_dsshw_driver = {
 	.probe		= dss_probe,
 	.remove		= dss_remove,
+	.shutdown	= dss_shutdown,
 	.driver         = {
 		.name   = "omapdss_dss",
 		.pm	= &dss_pm_ops,

drivers/gpu/drm/omapdrm/dss/dss.h

@@ -27,6 +27,9 @@
 
 #include "omapdss.h"
 
+#define MAX_DSS_LCD_MANAGERS	3
+#define MAX_NUM_DSI		2
+
 #ifdef pr_fmt
 #undef pr_fmt
 #endif
@@ -72,6 +75,14 @@
 #define FLD_MOD(orig, val, start, end) \
 	(((orig) & ~FLD_MASK(start, end)) | FLD_VAL(val, start, end))
 
+enum dss_model {
+	DSS_MODEL_OMAP2,
+	DSS_MODEL_OMAP3,
+	DSS_MODEL_OMAP4,
+	DSS_MODEL_OMAP5,
+	DSS_MODEL_DRA7,
+};
+
 enum dss_io_pad_mode {
 	DSS_IO_PAD_MODE_RESET,
 	DSS_IO_PAD_MODE_RFBI,
@@ -192,6 +203,11 @@ struct dss_pll {
 	struct dss_pll_clock_info cinfo;
 };
 
+/* Defines a generic omap register field */
+struct dss_reg_field {
+	u8 start, end;
+};
+
 struct dispc_clock_info {
 	/* rates that we get with dividers below */
 	unsigned long lck;
@@ -219,10 +235,11 @@ struct seq_file;
 struct platform_device;
 
 /* core */
-int dss_dsi_enable_pads(int dsi_id, unsigned lane_mask);
-void dss_dsi_disable_pads(int dsi_id, unsigned lane_mask);
-int dss_set_min_bus_tput(struct device *dev, unsigned long tput);
-int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
+static inline int dss_set_min_bus_tput(struct device *dev, unsigned long tput)
+{
+	/* To be implemented when the OMAP platform will provide this feature */
+	return 0;
+}
 
 static inline bool dss_mgr_is_lcd(enum omap_channel id)
 {
@@ -234,6 +251,16 @@ static inline bool dss_mgr_is_lcd(enum omap_channel id)
 }
 
 /* DSS */
+#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
+int dss_debugfs_create_file(const char *name, void (*write)(struct seq_file *));
+#else
+static inline int dss_debugfs_create_file(const char *name,
+					  void (*write)(struct seq_file *))
+{
+	return 0;
+}
+#endif /* CONFIG_OMAP2_DSS_DEBUGFS */
+
 int dss_init_platform_driver(void) __init;
 void dss_uninit_platform_driver(void);
 
@@ -241,6 +268,8 @@ int dss_runtime_get(void);
 void dss_runtime_put(void);
 
 unsigned long dss_get_dispc_clk_rate(void);
+unsigned long dss_get_max_fck_rate(void);
+enum omap_dss_output_id dss_get_supported_outputs(enum omap_channel channel);
 int dss_dpi_select_source(int port, enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);
@@ -252,10 +281,6 @@ struct dss_pll *dss_video_pll_init(struct platform_device *pdev, int id,
 	struct regulator *regulator);
 void dss_video_pll_uninit(struct dss_pll *pll);
 
-#if defined(CONFIG_OMAP2_DSS_DEBUGFS)
-void dss_debug_dump_clocks(struct seq_file *s);
-#endif
-
 void dss_ctrl_pll_enable(enum dss_pll_id pll_id, bool enable);
 
 void dss_sdi_init(int datapairs);
@@ -312,11 +337,12 @@ void dsi_irq_handler(void);
 
 /* DPI */
 #ifdef CONFIG_OMAP2_DSS_DPI
-int dpi_init_port(struct platform_device *pdev, struct device_node *port);
+int dpi_init_port(struct platform_device *pdev, struct device_node *port,
+		  enum dss_model dss_model);
 void dpi_uninit_port(struct device_node *port);
 #else
 static inline int dpi_init_port(struct platform_device *pdev,
-		struct device_node *port)
+		struct device_node *port, enum dss_model dss_model)
 {
 	return 0;
 }

drivers/gpu/drm/omapdrm/dss/dss_features.h

-/*
- * linux/drivers/video/omap2/dss/dss_features.h
- *
- * Copyright (C) 2010 Texas Instruments
- * Author: Archit Taneja <archit@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef __OMAP2_DSS_FEATURES_H
-#define __OMAP2_DSS_FEATURES_H
-
-#define MAX_DSS_MANAGERS	4
-#define MAX_DSS_OVERLAYS	4
-#define MAX_DSS_LCD_MANAGERS	3
-#define MAX_NUM_DSI		2
-
-/* DSS has feature id */
-enum dss_feat_id {
-	FEAT_LCDENABLEPOL,
-	FEAT_LCDENABLESIGNAL,
-	FEAT_PCKFREEENABLE,
-	FEAT_FUNCGATED,
-	FEAT_MGR_LCD2,
-	FEAT_MGR_LCD3,
-	FEAT_LINEBUFFERSPLIT,
-	FEAT_ROWREPEATENABLE,
-	FEAT_RESIZECONF,
-	/* Independent core clk divider */
-	FEAT_CORE_CLK_DIV,
-	FEAT_LCD_CLK_SRC,
-	/* DSI-PLL power command 0x3 is not working */
-	FEAT_DSI_PLL_PWR_BUG,
-	FEAT_DSI_DCS_CMD_CONFIG_VC,
-	FEAT_DSI_VC_OCP_WIDTH,
-	FEAT_DSI_REVERSE_TXCLKESC,
-	FEAT_DSI_GNQ,
-	FEAT_DPI_USES_VDDS_DSI,
-	FEAT_HDMI_CTS_SWMODE,
-	FEAT_HDMI_AUDIO_USE_MCLK,
-	FEAT_HANDLE_UV_SEPARATE,
-	FEAT_ATTR2,
-	FEAT_VENC_REQUIRES_TV_DAC_CLK,
-	FEAT_CPR,
-	FEAT_PRELOAD,
-	FEAT_FIR_COEF_V,
-	FEAT_ALPHA_FIXED_ZORDER,
-	FEAT_ALPHA_FREE_ZORDER,
-	FEAT_FIFO_MERGE,
-	/* An unknown HW bug causing the normal FIFO thresholds not to work */
-	FEAT_OMAP3_DSI_FIFO_BUG,
-	FEAT_BURST_2D,
-	FEAT_DSI_PHY_DCC,
-	FEAT_MFLAG,
-};
-
-/* DSS register field id */
-enum dss_feat_reg_field {
-	FEAT_REG_FIRHINC,
-	FEAT_REG_FIRVINC,
-	FEAT_REG_FIFOHIGHTHRESHOLD,
-	FEAT_REG_FIFOLOWTHRESHOLD,
-	FEAT_REG_FIFOSIZE,
-	FEAT_REG_HORIZONTALACCU,
-	FEAT_REG_VERTICALACCU,
-	FEAT_REG_DISPC_CLK_SWITCH,
-};
-
-enum dss_range_param {
-	FEAT_PARAM_DSS_FCK,
-	FEAT_PARAM_DSS_PCD,
-	FEAT_PARAM_DSIPLL_LPDIV,
-	FEAT_PARAM_DSI_FCK,
-	FEAT_PARAM_DOWNSCALE,
-	FEAT_PARAM_LINEWIDTH,
-};
-
-/* DSS Feature Functions */
-unsigned long dss_feat_get_param_min(enum dss_range_param param);
-unsigned long dss_feat_get_param_max(enum dss_range_param param);
-enum omap_overlay_caps dss_feat_get_overlay_caps(enum omap_plane_id plane);
-bool dss_feat_color_mode_supported(enum omap_plane_id plane,
-		u32 fourcc);
-
-u32 dss_feat_get_buffer_size_unit(void);	/* in bytes */
-u32 dss_feat_get_burst_size_unit(void);		/* in bytes */
-
-bool dss_has_feature(enum dss_feat_id id);
-void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
-void dss_features_init(enum omapdss_version version);
-
-enum omap_display_type dss_feat_get_supported_displays(enum omap_channel channel);
-enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
-
-int dss_feat_get_num_mgrs(void);
-int dss_feat_get_num_ovls(void);
-const u32 *dss_feat_get_supported_color_modes(enum omap_plane_id plane);
-
-#endif

drivers/gpu/drm/omapdrm/dss/hdmi.h

@@ -234,6 +234,7 @@ struct hdmi_core_audio_config {
 struct hdmi_wp_data {
 	void __iomem *base;
 	phys_addr_t phys_base;
+	unsigned int version;
 };
 
 struct hdmi_pll_data {
@@ -245,15 +246,24 @@ struct hdmi_pll_data {
 	struct hdmi_wp_data *wp;
 };
 
+struct hdmi_phy_features {
+	bool bist_ctrl;
+	bool ldo_voltage;
+	unsigned long max_phy;
+};
+
 struct hdmi_phy_data {
 	void __iomem *base;
 
+	const struct hdmi_phy_features *features;
 	u8 lane_function[4];
 	u8 lane_polarity[4];
 };
 
 struct hdmi_core_data {
 	void __iomem *base;
+	bool cts_swmode;
+	bool audio_use_mclk;
 };
 
 static inline void hdmi_write_reg(void __iomem *base_addr, const u32 idx,
@@ -303,7 +313,8 @@ void hdmi_wp_video_config_timing(struct hdmi_wp_data *wp,
 		struct videomode *vm);
 void hdmi_wp_init_vid_fmt_timings(struct hdmi_video_format *video_fmt,
 		struct videomode *vm, struct hdmi_config *param);
-int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp);
+int hdmi_wp_init(struct platform_device *pdev, struct hdmi_wp_data *wp,
+		 unsigned int version);
 phys_addr_t hdmi_wp_get_audio_dma_addr(struct hdmi_wp_data *wp);
 
 /* HDMI PLL funcs */
@@ -316,7 +327,8 @@ void hdmi_pll_uninit(struct hdmi_pll_data *hpll);
 int hdmi_phy_configure(struct hdmi_phy_data *phy, unsigned long hfbitclk,
 	unsigned long lfbitclk);
 void hdmi_phy_dump(struct hdmi_phy_data *phy, struct seq_file *s);
-int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy);
+int hdmi_phy_init(struct platform_device *pdev, struct hdmi_phy_data *phy,
+		  unsigned int version);
 int hdmi_phy_parse_lanes(struct hdmi_phy_data *phy, const u32 *lanes);
 
 /* HDMI common funcs */

drivers/gpu/drm/omapdrm/dss/hdmi4.c

@@ -40,7 +40,6 @@
 #include "omapdss.h"
 #include "hdmi4_core.h"
 #include "dss.h"
-#include "dss_features.h"
 #include "hdmi.h"
 
 static struct omap_hdmi hdmi;
@@ -668,7 +667,7 @@ static int hdmi_audio_register(struct device *dev)
 {
 	struct omap_hdmi_audio_pdata pdata = {
 		.dev = dev,
-		.dss_version = omapdss_get_version(),
+		.version = 4,
 		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
 		.ops = &hdmi_audio_ops,
 	};
@@ -700,7 +699,7 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
 	if (r)
 		return r;
 
-	r = hdmi_wp_init(pdev, &hdmi.wp);
+	r = hdmi_wp_init(pdev, &hdmi.wp, 4);
 	if (r)
 		return r;
 
@@ -708,7 +707,7 @@ static int hdmi4_bind(struct device *dev, struct device *master, void *data)
 	if (r)
 		return r;
 
-	r = hdmi_phy_init(pdev, &hdmi.phy);
+	r = hdmi_phy_init(pdev, &hdmi.phy, 4);
 	if (r)
 		goto err;
 

drivers/gpu/drm/omapdrm/dss/hdmi4_core.c

@@ -31,11 +31,11 @@
 #include <linux/platform_device.h>
 #include <linux/string.h>
 #include <linux/seq_file.h>
+#include <linux/sys_soc.h>
 #include <sound/asound.h>
 #include <sound/asoundef.h>
 
 #include "hdmi4_core.h"
-#include "dss_features.h"
 
 #define HDMI_CORE_AV		0x500
 
@@ -757,10 +757,10 @@ int hdmi4_audio_config(struct hdmi_core_data *core, struct hdmi_wp_data *wp,
 	/* Audio clock regeneration settings */
 	acore.n = n;
 	acore.cts = cts;
-	if (dss_has_feature(FEAT_HDMI_CTS_SWMODE)) {
+	if (core->cts_swmode) {
 		acore.aud_par_busclk = 0;
 		acore.cts_mode = HDMI_AUDIO_CTS_MODE_SW;
-		acore.use_mclk = dss_has_feature(FEAT_HDMI_AUDIO_USE_MCLK);
+		acore.use_mclk = core->audio_use_mclk;
 	} else {
 		acore.aud_par_busclk = (((128 * 31) - 1) << 8);
 		acore.cts_mode = HDMI_AUDIO_CTS_MODE_HW;
@@ -884,10 +884,42 @@ void hdmi4_audio_stop(struct hdmi_core_data *core, struct hdmi_wp_data *wp)
 	hdmi_wp_audio_core_req_enable(wp, false);
 }
 
+struct hdmi4_features {
+	bool cts_swmode;
+	bool audio_use_mclk;
+};
+
+static const struct hdmi4_features hdmi4_es1_features = {
+	.cts_swmode = false,
+	.audio_use_mclk = false,
+};
+
+static const struct hdmi4_features hdmi4_es2_features = {
+	.cts_swmode = true,
+	.audio_use_mclk = false,
+};
+
+static const struct hdmi4_features hdmi4_es3_features = {
+	.cts_swmode = true,
+	.audio_use_mclk = true,
+};
+
+static const struct soc_device_attribute hdmi4_soc_devices[] = {
+	{ .family = "OMAP4", .revision = "ES1.?", .data = &hdmi4_es1_features },
+	{ .family = "OMAP4", .revision = "ES2.?", .data = &hdmi4_es2_features },
+	{ .family = "OMAP4",			  .data = &hdmi4_es3_features },
+	{ /* sentinel */ }
+};
+
 int hdmi4_core_init(struct platform_device *pdev, struct hdmi_core_data *core)
 {
+	const struct hdmi4_features *features;
 	struct resource *res;
 
+	features = soc_device_match(hdmi4_soc_devices)->data;
+	core->cts_swmode = features->cts_swmode;
+	core->audio_use_mclk = features->audio_use_mclk;
+
 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "core");
 	core->base = devm_ioremap_resource(&pdev->dev, res);
 	if (IS_ERR(core->base))

drivers/gpu/drm/omapdrm/dss/hdmi5.c

@@ -45,7 +45,6 @@
 #include "omapdss.h"
 #include "hdmi5_core.h"
 #include "dss.h"
-#include "dss_features.h"
 
 static struct omap_hdmi hdmi;
 
@@ -695,7 +694,7 @@ static int hdmi_audio_register(struct device *dev)
 {
 	struct omap_hdmi_audio_pdata pdata = {
 		.dev = dev,
-		.dss_version = omapdss_get_version(),
+		.version = 5,
 		.audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
 		.ops = &hdmi_audio_ops,
 	};
@@ -732,7 +731,7 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data)
 	if (r)
 		return r;
 
-	r = hdmi_wp_init(pdev, &hdmi.wp);
+	r = hdmi_wp_init(pdev, &hdmi.wp, 5);
 	if (r)
 		return r;
 
@@ -740,7 +739,7 @@ static int hdmi5_bind(struct device *dev, struct device *master, void *data)
 	if (r)
 		return r;
 
-	r = hdmi_phy_init(pdev, &hdmi.phy);
+	r = hdmi_phy_init(pdev, &hdmi.phy, 5);
 	if (r)
 		goto err;