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authorTomi Valkeinen <tomi.valkeinen@nokia.com>2010-06-09 15:23:44 +0300
committerTomi Valkeinen <tomi.valkeinen@nokia.com>2010-08-03 15:18:48 +0300
commit8d3573c88a5a7b67a5fec5eb457efa3616fe56b7 (patch)
tree57b1d8a8f92a9619284c222d3d329c6c848b2f58
parent823c8e4a8ae6c5792e0b35b49d2b63292a28575d (diff)
downloadlinux-8d3573c88a5a7b67a5fec5eb457efa3616fe56b7.tar.bz2
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>
-rw-r--r--drivers/video/omap2/displays/panel-taal.c59
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;