OMAP: DSS2: Taal: Use Nokia DSI panel data

Get board specific information from the Nokia DSI panel data structure
instead of the DSS.

Signed-off-by: Jani Nikula <ext-jani.1.nikula@nokia.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>

1 files changed, 38 insertions, 21 deletions

diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c
index e52631efe7e2..df720c31288f 100644
--- a/drivers/video/omap2/displays/panel-taal.c
+++ b/drivers/video/omap2/displays/panel-taal.c
@@ -33,6 +33,7 @@
 #include <linux/mutex.h>
 
 #include <plat/display.h>
+#include <plat/nokia-dsi-panel.h>
 
 /* DSI Virtual channel. Hardcoded for now. */
 #define TCH 0
@@ -85,7 +86,6 @@ struct taal_data {
         bool mirror;
 
         bool te_enabled;
-        bool use_ext_te;
 
         atomic_t do_update;
         struct {
@@ -107,6 +107,12 @@ struct taal_data {
         struct delayed_work esd_work;
 };
 
+static inline struct nokia_dsi_panel_data
+*get_panel_data(const struct omap_dss_device *dssdev)
+{
+        return (struct nokia_dsi_panel_data *) dssdev->data;
+}
+
 static void taal_esd_work(struct work_struct *work);
 
 static void hw_guard_start(struct taal_data *td, int guard_msec)
@@ -288,6 +294,7 @@ static int taal_bl_update_status(struct backlight_device *dev)
 {
         struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
         int level;
 
@@ -310,10 +317,10 @@ static int taal_bl_update_status(struct backlight_device *dev)
                         r = 0;
                 }
         } else {
-                if (!dssdev->set_backlight)
+                if (!panel_data->set_backlight)
                         r = -EINVAL;
                 else
-                        r = dssdev->set_backlight(dssdev, level);
+                        r = panel_data->set_backlight(dssdev, level);
         }
 
         mutex_unlock(&td->lock);
@@ -503,16 +510,18 @@ static struct attribute_group taal_attr_group = {
 
 static void taal_hw_reset(struct omap_dss_device *dssdev)
 {
-        if (dssdev->reset_gpio == -1)
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
+
+        if (panel_data->reset_gpio == -1)
                 return;
 
-        gpio_set_value(dssdev->reset_gpio, 1);
+        gpio_set_value(panel_data->reset_gpio, 1);
         udelay(10);
         /* reset the panel */
-        gpio_set_value(dssdev->reset_gpio, 0);
+        gpio_set_value(panel_data->reset_gpio, 0);
         /* assert reset for at least 10us */
         udelay(10);
-        gpio_set_value(dssdev->reset_gpio, 1);
+        gpio_set_value(panel_data->reset_gpio, 1);
         /* wait 5ms after releasing reset */
         msleep(5);
 }
@@ -522,6 +531,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
         struct backlight_properties props;
         struct taal_data *td;
         struct backlight_device *bldev;
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
 
         const struct omap_video_timings taal_panel_timings = {
@@ -531,6 +541,11 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
         dev_dbg(&dssdev->dev, "probe\n");
 
+        if (!panel_data || !panel_data->name) {
+                r = -EINVAL;
+                goto err;
+        }
+
         dssdev->panel.config = OMAP_DSS_LCD_TFT;
         dssdev->panel.timings = taal_panel_timings;
         dssdev->ctrl.pixel_size = 24;
@@ -561,7 +576,7 @@ static int taal_probe(struct omap_dss_device *dssdev)
         /* if no platform set_backlight() defined, presume DSI backlight
          * control */
         memset(&props, 0, sizeof(struct backlight_properties));
-        if (!dssdev->set_backlight)
+        if (!panel_data->set_backlight)
                 td->use_dsi_bl = true;
 
         if (td->use_dsi_bl)
@@ -586,8 +601,8 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
         taal_bl_update_status(bldev);
 
-        if (dssdev->phy.dsi.ext_te) {
-                int gpio = dssdev->phy.dsi.ext_te_gpio;
+        if (panel_data->use_ext_te) {
+                int gpio = panel_data->ext_te_gpio;
 
                 r = gpio_request(gpio, "taal irq");
                 if (r) {
@@ -610,8 +625,6 @@ static int taal_probe(struct omap_dss_device *dssdev)
                 INIT_DELAYED_WORK_DEFERRABLE(&td->te_timeout_work,
                                         taal_te_timeout_work_callback);
 
-                td->use_ext_te = true;
-
                 dev_dbg(&dssdev->dev, "Using GPIO TE\n");
         }
 
@@ -623,11 +636,11 @@ static int taal_probe(struct omap_dss_device *dssdev)
 
         return 0;
 err_sysfs:
-        if (td->use_ext_te)
-                free_irq(gpio_to_irq(dssdev->phy.dsi.ext_te_gpio), dssdev);
+        if (panel_data->use_ext_te)
+                free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev);
 err_irq:
-        if (td->use_ext_te)
-                gpio_free(dssdev->phy.dsi.ext_te_gpio);
+        if (panel_data->use_ext_te)
+                gpio_free(panel_data->ext_te_gpio);
 err_gpio:
         backlight_device_unregister(bldev);
 err_bl:
@@ -641,14 +654,15 @@ err:
 static void taal_remove(struct omap_dss_device *dssdev)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         struct backlight_device *bldev;
 
         dev_dbg(&dssdev->dev, "remove\n");
 
         sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group);
 
-        if (td->use_ext_te) {
-                int gpio = dssdev->phy.dsi.ext_te_gpio;
+        if (panel_data->use_ext_te) {
+                int gpio = panel_data->ext_te_gpio;
                 free_irq(gpio_to_irq(gpio), dssdev);
                 gpio_free(gpio);
         }
@@ -958,6 +972,7 @@ static int taal_update(struct omap_dss_device *dssdev,
                                     u16 x, u16 y, u16 w, u16 h)
 {
         struct taal_data *td = dev_get_drvdata(&dssdev->dev);
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
 
         dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
@@ -978,7 +993,7 @@ static int taal_update(struct omap_dss_device *dssdev,
         if (r)
                 goto err;
 
-        if (td->te_enabled && td->use_ext_te) {
+        if (td->te_enabled && panel_data->use_ext_te) {
                 td->update_region.x = x;
                 td->update_region.y = y;
                 td->update_region.w = w;
@@ -1021,6 +1036,7 @@ static int taal_sync(struct omap_dss_device *dssdev)
 
 static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
 {
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         int r;
 
         if (enable)
@@ -1028,7 +1044,7 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable)
         else
                 r = taal_dcs_write_0(DCS_TEAR_OFF);
 
-        if (!td->use_ext_te)
+        if (!panel_data->use_ext_te)
                 omapdss_dsi_enable_te(dssdev, enable);
 
         /* XXX for some reason, DSI TE breaks if we don't wait here.
@@ -1272,6 +1288,7 @@ static void taal_esd_work(struct work_struct *work)
         struct taal_data *td = container_of(work, struct taal_data,
                         esd_work.work);
         struct omap_dss_device *dssdev = td->dssdev;
+        struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
         u8 state1, state2;
         int r;
 
@@ -1312,7 +1329,7 @@ static void taal_esd_work(struct work_struct *work)
         }
         /* Self-diagnostics result is also shown on TE GPIO line. We need
          * to re-enable TE after self diagnostics */
-        if (td->use_ext_te && td->te_enabled) {
+        if (td->te_enabled && panel_data->use_ext_te) {
                 r = taal_dcs_write_1(DCS_TEAR_ON, 0);
                 if (r)
                         goto err;