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@@ -33,8 +33,8 @@
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#include <linux/regulator/consumer.h>
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#include <linux/mutex.h>
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-#include <plat/display.h>
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-#include <plat/nokia-dsi-panel.h>
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+#include <video/omapdss.h>
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+#include <video/omap-panel-nokia-dsi.h>
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/* DSI Virtual channel. Hardcoded for now. */
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#define TCH 0
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@@ -63,12 +63,12 @@
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#define DCS_GET_ID2 0xdb
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#define DCS_GET_ID3 0xdc
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-#define TAAL_ESD_CHECK_PERIOD msecs_to_jiffies(5000)
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-
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static irqreturn_t taal_te_isr(int irq, void *data);
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static void taal_te_timeout_work_callback(struct work_struct *work);
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static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable);
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+static int taal_panel_reset(struct omap_dss_device *dssdev);
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+
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struct panel_regulator {
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struct regulator *regulator;
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const char *name;
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@@ -229,8 +229,14 @@ struct taal_data {
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bool intro_printed;
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- struct workqueue_struct *esd_wq;
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+ struct workqueue_struct *workqueue;
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+
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struct delayed_work esd_work;
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+ unsigned esd_interval;
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+
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+ bool ulps_enabled;
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+ unsigned ulps_timeout;
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+ struct delayed_work ulps_work;
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struct panel_config *panel_config;
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};
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@@ -242,6 +248,7 @@ static inline struct nokia_dsi_panel_data
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}
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static void taal_esd_work(struct work_struct *work);
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+static void taal_ulps_work(struct work_struct *work);
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static void hw_guard_start(struct taal_data *td, int guard_msec)
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{
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@@ -264,7 +271,7 @@ static int taal_dcs_read_1(struct taal_data *td, u8 dcs_cmd, u8 *data)
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int r;
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u8 buf[1];
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- r = dsi_vc_dcs_read(td->channel, dcs_cmd, buf, 1);
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+ r = dsi_vc_dcs_read(td->dssdev, td->channel, dcs_cmd, buf, 1);
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if (r < 0)
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return r;
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@@ -276,7 +283,7 @@ static int taal_dcs_read_1(struct taal_data *td, u8 dcs_cmd, u8 *data)
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static int taal_dcs_write_0(struct taal_data *td, u8 dcs_cmd)
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{
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- return dsi_vc_dcs_write(td->channel, &dcs_cmd, 1);
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+ return dsi_vc_dcs_write(td->dssdev, td->channel, &dcs_cmd, 1);
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}
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static int taal_dcs_write_1(struct taal_data *td, u8 dcs_cmd, u8 param)
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@@ -284,7 +291,7 @@ static int taal_dcs_write_1(struct taal_data *td, u8 dcs_cmd, u8 param)
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u8 buf[2];
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buf[0] = dcs_cmd;
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buf[1] = param;
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- return dsi_vc_dcs_write(td->channel, buf, 2);
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+ return dsi_vc_dcs_write(td->dssdev, td->channel, buf, 2);
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}
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static int taal_sleep_in(struct taal_data *td)
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@@ -296,7 +303,7 @@ static int taal_sleep_in(struct taal_data *td)
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hw_guard_wait(td);
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cmd = DCS_SLEEP_IN;
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- r = dsi_vc_dcs_write_nosync(td->channel, &cmd, 1);
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+ r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, &cmd, 1);
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if (r)
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return r;
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@@ -402,7 +409,7 @@ static int taal_set_update_window(struct taal_data *td,
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buf[3] = (x2 >> 8) & 0xff;
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buf[4] = (x2 >> 0) & 0xff;
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- r = dsi_vc_dcs_write_nosync(td->channel, buf, sizeof(buf));
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+ r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
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if (r)
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return r;
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@@ -412,15 +419,132 @@ static int taal_set_update_window(struct taal_data *td,
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buf[3] = (y2 >> 8) & 0xff;
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buf[4] = (y2 >> 0) & 0xff;
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- r = dsi_vc_dcs_write_nosync(td->channel, buf, sizeof(buf));
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+ r = dsi_vc_dcs_write_nosync(td->dssdev, td->channel, buf, sizeof(buf));
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if (r)
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return r;
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- dsi_vc_send_bta_sync(td->channel);
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+ dsi_vc_send_bta_sync(td->dssdev, td->channel);
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return r;
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}
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+static void taal_queue_esd_work(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ if (td->esd_interval > 0)
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+ queue_delayed_work(td->workqueue, &td->esd_work,
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+ msecs_to_jiffies(td->esd_interval));
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+}
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+
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+static void taal_cancel_esd_work(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ cancel_delayed_work(&td->esd_work);
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+}
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+
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+static void taal_queue_ulps_work(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ if (td->ulps_timeout > 0)
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+ queue_delayed_work(td->workqueue, &td->ulps_work,
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+ msecs_to_jiffies(td->ulps_timeout));
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+}
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+
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+static void taal_cancel_ulps_work(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ cancel_delayed_work(&td->ulps_work);
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+}
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+
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+static int taal_enter_ulps(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
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+ int r;
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+
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+ if (td->ulps_enabled)
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+ return 0;
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+
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+ taal_cancel_ulps_work(dssdev);
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+
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+ r = _taal_enable_te(dssdev, false);
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+ if (r)
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+ goto err;
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+
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+ disable_irq(gpio_to_irq(panel_data->ext_te_gpio));
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+
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+ omapdss_dsi_display_disable(dssdev, false, true);
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+
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+ td->ulps_enabled = true;
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+
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+ return 0;
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+
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+err:
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+ dev_err(&dssdev->dev, "enter ULPS failed");
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+ taal_panel_reset(dssdev);
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+
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+ td->ulps_enabled = false;
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+
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+ taal_queue_ulps_work(dssdev);
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+
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+ return r;
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+}
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+
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+static int taal_exit_ulps(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+ struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev);
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+ int r;
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+
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+ if (!td->ulps_enabled)
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+ return 0;
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+
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+ r = omapdss_dsi_display_enable(dssdev);
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+ if (r)
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+ goto err;
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+
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+ omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
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+
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+ r = _taal_enable_te(dssdev, true);
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+ if (r)
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+ goto err;
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+
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+ enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
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+
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+ taal_queue_ulps_work(dssdev);
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+
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+ td->ulps_enabled = false;
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+
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+ return 0;
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+
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+err:
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+ dev_err(&dssdev->dev, "exit ULPS failed");
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+ r = taal_panel_reset(dssdev);
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+
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+ enable_irq(gpio_to_irq(panel_data->ext_te_gpio));
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+ td->ulps_enabled = false;
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+
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+ taal_queue_ulps_work(dssdev);
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+
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+ return r;
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+}
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+
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+static int taal_wake_up(struct omap_dss_device *dssdev)
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+{
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ if (td->ulps_enabled)
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+ return taal_exit_ulps(dssdev);
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+
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+ taal_cancel_ulps_work(dssdev);
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+ taal_queue_ulps_work(dssdev);
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+ return 0;
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+}
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+
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static int taal_bl_update_status(struct backlight_device *dev)
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{
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struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev);
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@@ -441,9 +565,13 @@ static int taal_bl_update_status(struct backlight_device *dev)
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if (td->use_dsi_bl) {
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if (td->enabled) {
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- dsi_bus_lock();
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- r = taal_dcs_write_1(td, DCS_BRIGHTNESS, level);
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- dsi_bus_unlock();
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+ dsi_bus_lock(dssdev);
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+
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+ r = taal_wake_up(dssdev);
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+ if (!r)
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+ r = taal_dcs_write_1(td, DCS_BRIGHTNESS, level);
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+
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+ dsi_bus_unlock(dssdev);
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} else {
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r = 0;
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}
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@@ -504,9 +632,13 @@ static ssize_t taal_num_errors_show(struct device *dev,
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mutex_lock(&td->lock);
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if (td->enabled) {
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- dsi_bus_lock();
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- r = taal_dcs_read_1(td, DCS_READ_NUM_ERRORS, &errors);
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- dsi_bus_unlock();
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+ dsi_bus_lock(dssdev);
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+
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+ r = taal_wake_up(dssdev);
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+ if (!r)
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+ r = taal_dcs_read_1(td, DCS_READ_NUM_ERRORS, &errors);
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+
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+ dsi_bus_unlock(dssdev);
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} else {
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r = -ENODEV;
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}
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@@ -530,9 +662,13 @@ static ssize_t taal_hw_revision_show(struct device *dev,
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mutex_lock(&td->lock);
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if (td->enabled) {
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- dsi_bus_lock();
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- r = taal_get_id(td, &id1, &id2, &id3);
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- dsi_bus_unlock();
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+ dsi_bus_lock(dssdev);
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+
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+ r = taal_wake_up(dssdev);
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+ if (!r)
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+ r = taal_get_id(td, &id1, &id2, &id3);
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+
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+ dsi_bus_unlock(dssdev);
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} else {
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r = -ENODEV;
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}
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@@ -579,6 +715,7 @@ static ssize_t store_cabc_mode(struct device *dev,
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struct omap_dss_device *dssdev = to_dss_device(dev);
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struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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int i;
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+ int r;
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for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) {
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if (sysfs_streq(cabc_modes[i], buf))
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@@ -591,10 +728,19 @@ static ssize_t store_cabc_mode(struct device *dev,
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mutex_lock(&td->lock);
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if (td->enabled) {
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- dsi_bus_lock();
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- if (!td->cabc_broken)
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- taal_dcs_write_1(td, DCS_WRITE_CABC, i);
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- dsi_bus_unlock();
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+ dsi_bus_lock(dssdev);
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+
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+ if (!td->cabc_broken) {
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+ r = taal_wake_up(dssdev);
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+ if (r)
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+ goto err;
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+
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+ r = taal_dcs_write_1(td, DCS_WRITE_CABC, i);
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+ if (r)
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+ goto err;
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+ }
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+
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+ dsi_bus_unlock(dssdev);
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}
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td->cabc_mode = i;
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@@ -602,6 +748,10 @@ static ssize_t store_cabc_mode(struct device *dev,
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mutex_unlock(&td->lock);
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return count;
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+err:
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+ dsi_bus_unlock(dssdev);
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+ mutex_unlock(&td->lock);
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+ return r;
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}
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static ssize_t show_cabc_available_modes(struct device *dev,
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@@ -620,18 +770,161 @@ static ssize_t show_cabc_available_modes(struct device *dev,
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return len < PAGE_SIZE ? len : PAGE_SIZE - 1;
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}
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+static ssize_t taal_store_esd_interval(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ struct omap_dss_device *dssdev = to_dss_device(dev);
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+
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+ unsigned long t;
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+ int r;
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+
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+ r = strict_strtoul(buf, 10, &t);
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+ if (r)
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+ return r;
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+
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+ mutex_lock(&td->lock);
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+ taal_cancel_esd_work(dssdev);
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+ td->esd_interval = t;
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+ if (td->enabled)
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+ taal_queue_esd_work(dssdev);
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+ mutex_unlock(&td->lock);
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+
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+ return count;
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+}
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+
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+static ssize_t taal_show_esd_interval(struct device *dev,
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+ struct device_attribute *attr,
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+ char *buf)
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+{
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+ struct omap_dss_device *dssdev = to_dss_device(dev);
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+ unsigned t;
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+
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+ mutex_lock(&td->lock);
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+ t = td->esd_interval;
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+ mutex_unlock(&td->lock);
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+
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+ return snprintf(buf, PAGE_SIZE, "%u\n", t);
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+}
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+
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+static ssize_t taal_store_ulps(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ struct omap_dss_device *dssdev = to_dss_device(dev);
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+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
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+ unsigned long t;
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+ int r;
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+
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+ r = strict_strtoul(buf, 10, &t);
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+ if (r)
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+ return r;
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+
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+ mutex_lock(&td->lock);
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+
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+ if (td->enabled) {
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+ dsi_bus_lock(dssdev);
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+
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+ if (t)
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+ r = taal_enter_ulps(dssdev);
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+ else
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+ r = taal_wake_up(dssdev);
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+
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+ dsi_bus_unlock(dssdev);
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+ }
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+
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+ mutex_unlock(&td->lock);
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+
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+ if (r)
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+ return r;
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+
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+ return count;
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+}
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+
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+static ssize_t taal_show_ulps(struct device *dev,
|
|
|
+ struct device_attribute *attr,
|
|
|
+ char *buf)
|
|
|
+{
|
|
|
+ struct omap_dss_device *dssdev = to_dss_device(dev);
|
|
|
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
|
|
|
+ unsigned t;
|
|
|
+
|
|
|
+ mutex_lock(&td->lock);
|
|
|
+ t = td->ulps_enabled;
|
|
|
+ mutex_unlock(&td->lock);
|
|
|
+
|
|
|
+ return snprintf(buf, PAGE_SIZE, "%u\n", t);
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t taal_store_ulps_timeout(struct device *dev,
|
|
|
+ struct device_attribute *attr,
|
|
|
+ const char *buf, size_t count)
|
|
|
+{
|
|
|
+ struct omap_dss_device *dssdev = to_dss_device(dev);
|
|
|
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
|
|
|
+ unsigned long t;
|
|
|
+ int r;
|
|
|
+
|
|
|
+ r = strict_strtoul(buf, 10, &t);
|
|
|
+ if (r)
|
|
|
+ return r;
|
|
|
+
|
|
|
+ mutex_lock(&td->lock);
|
|
|
+ td->ulps_timeout = t;
|
|
|
+
|
|
|
+ if (td->enabled) {
|
|
|
+ /* taal_wake_up will restart the timer */
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
+ }
|
|
|
+
|
|
|
+ mutex_unlock(&td->lock);
|
|
|
+
|
|
|
+ if (r)
|
|
|
+ return r;
|
|
|
+
|
|
|
+ return count;
|
|
|
+}
|
|
|
+
|
|
|
+static ssize_t taal_show_ulps_timeout(struct device *dev,
|
|
|
+ struct device_attribute *attr,
|
|
|
+ char *buf)
|
|
|
+{
|
|
|
+ struct omap_dss_device *dssdev = to_dss_device(dev);
|
|
|
+ struct taal_data *td = dev_get_drvdata(&dssdev->dev);
|
|
|
+ unsigned t;
|
|
|
+
|
|
|
+ mutex_lock(&td->lock);
|
|
|
+ t = td->ulps_timeout;
|
|
|
+ mutex_unlock(&td->lock);
|
|
|
+
|
|
|
+ return snprintf(buf, PAGE_SIZE, "%u\n", t);
|
|
|
+}
|
|
|
+
|
|
|
static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL);
|
|
|
static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL);
|
|
|
static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR,
|
|
|
show_cabc_mode, store_cabc_mode);
|
|
|
static DEVICE_ATTR(cabc_available_modes, S_IRUGO,
|
|
|
show_cabc_available_modes, NULL);
|
|
|
+static DEVICE_ATTR(esd_interval, S_IRUGO | S_IWUSR,
|
|
|
+ taal_show_esd_interval, taal_store_esd_interval);
|
|
|
+static DEVICE_ATTR(ulps, S_IRUGO | S_IWUSR,
|
|
|
+ taal_show_ulps, taal_store_ulps);
|
|
|
+static DEVICE_ATTR(ulps_timeout, S_IRUGO | S_IWUSR,
|
|
|
+ taal_show_ulps_timeout, taal_store_ulps_timeout);
|
|
|
|
|
|
static struct attribute *taal_attrs[] = {
|
|
|
&dev_attr_num_dsi_errors.attr,
|
|
|
&dev_attr_hw_revision.attr,
|
|
|
&dev_attr_cabc_mode.attr,
|
|
|
&dev_attr_cabc_available_modes.attr,
|
|
|
+ &dev_attr_esd_interval.attr,
|
|
|
+ &dev_attr_ulps.attr,
|
|
|
+ &dev_attr_ulps_timeout.attr,
|
|
|
NULL,
|
|
|
};
|
|
|
|
|
@@ -700,6 +993,9 @@ static int taal_probe(struct omap_dss_device *dssdev)
|
|
|
}
|
|
|
td->dssdev = dssdev;
|
|
|
td->panel_config = panel_config;
|
|
|
+ td->esd_interval = panel_data->esd_interval;
|
|
|
+ td->ulps_enabled = false;
|
|
|
+ td->ulps_timeout = panel_data->ulps_timeout;
|
|
|
|
|
|
mutex_init(&td->lock);
|
|
|
|
|
@@ -710,13 +1006,14 @@ static int taal_probe(struct omap_dss_device *dssdev)
|
|
|
if (r)
|
|
|
goto err_reg;
|
|
|
|
|
|
- td->esd_wq = create_singlethread_workqueue("taal_esd");
|
|
|
- if (td->esd_wq == NULL) {
|
|
|
+ td->workqueue = create_singlethread_workqueue("taal_esd");
|
|
|
+ if (td->workqueue == NULL) {
|
|
|
dev_err(&dssdev->dev, "can't create ESD workqueue\n");
|
|
|
r = -ENOMEM;
|
|
|
goto err_wq;
|
|
|
}
|
|
|
INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work);
|
|
|
+ INIT_DELAYED_WORK(&td->ulps_work, taal_ulps_work);
|
|
|
|
|
|
dev_set_drvdata(&dssdev->dev, td);
|
|
|
|
|
@@ -734,8 +1031,8 @@ static int taal_probe(struct omap_dss_device *dssdev)
|
|
|
props.max_brightness = 127;
|
|
|
|
|
|
props.type = BACKLIGHT_RAW;
|
|
|
- bldev = backlight_device_register("taal", &dssdev->dev, dssdev,
|
|
|
- &taal_bl_ops, &props);
|
|
|
+ bldev = backlight_device_register(dev_name(&dssdev->dev), &dssdev->dev,
|
|
|
+ dssdev, &taal_bl_ops, &props);
|
|
|
if (IS_ERR(bldev)) {
|
|
|
r = PTR_ERR(bldev);
|
|
|
goto err_bl;
|
|
@@ -810,7 +1107,7 @@ err_irq:
|
|
|
err_gpio:
|
|
|
backlight_device_unregister(bldev);
|
|
|
err_bl:
|
|
|
- destroy_workqueue(td->esd_wq);
|
|
|
+ destroy_workqueue(td->workqueue);
|
|
|
err_wq:
|
|
|
free_regulators(panel_config->regulators, panel_config->num_regulators);
|
|
|
err_reg:
|
|
@@ -819,7 +1116,7 @@ err:
|
|
|
return r;
|
|
|
}
|
|
|
|
|
|
-static void taal_remove(struct omap_dss_device *dssdev)
|
|
|
+static void __exit 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);
|
|
@@ -841,8 +1138,9 @@ static void taal_remove(struct omap_dss_device *dssdev)
|
|
|
taal_bl_update_status(bldev);
|
|
|
backlight_device_unregister(bldev);
|
|
|
|
|
|
- cancel_delayed_work(&td->esd_work);
|
|
|
- destroy_workqueue(td->esd_wq);
|
|
|
+ taal_cancel_ulps_work(dssdev);
|
|
|
+ taal_cancel_esd_work(dssdev);
|
|
|
+ destroy_workqueue(td->workqueue);
|
|
|
|
|
|
/* reset, to be sure that the panel is in a valid state */
|
|
|
taal_hw_reset(dssdev);
|
|
@@ -867,7 +1165,7 @@ static int taal_power_on(struct omap_dss_device *dssdev)
|
|
|
|
|
|
taal_hw_reset(dssdev);
|
|
|
|
|
|
- omapdss_dsi_vc_enable_hs(td->channel, false);
|
|
|
+ omapdss_dsi_vc_enable_hs(dssdev, td->channel, false);
|
|
|
|
|
|
r = taal_sleep_out(td);
|
|
|
if (r)
|
|
@@ -924,7 +1222,7 @@ static int taal_power_on(struct omap_dss_device *dssdev)
|
|
|
td->intro_printed = true;
|
|
|
}
|
|
|
|
|
|
- omapdss_dsi_vc_enable_hs(td->channel, true);
|
|
|
+ omapdss_dsi_vc_enable_hs(dssdev, td->channel, true);
|
|
|
|
|
|
return 0;
|
|
|
err:
|
|
@@ -932,7 +1230,7 @@ err:
|
|
|
|
|
|
taal_hw_reset(dssdev);
|
|
|
|
|
|
- omapdss_dsi_display_disable(dssdev);
|
|
|
+ omapdss_dsi_display_disable(dssdev, true, false);
|
|
|
err0:
|
|
|
return r;
|
|
|
}
|
|
@@ -955,15 +1253,23 @@ static void taal_power_off(struct omap_dss_device *dssdev)
|
|
|
taal_hw_reset(dssdev);
|
|
|
}
|
|
|
|
|
|
- omapdss_dsi_display_disable(dssdev);
|
|
|
+ omapdss_dsi_display_disable(dssdev, true, false);
|
|
|
|
|
|
td->enabled = 0;
|
|
|
}
|
|
|
|
|
|
+static int taal_panel_reset(struct omap_dss_device *dssdev)
|
|
|
+{
|
|
|
+ dev_err(&dssdev->dev, "performing LCD reset\n");
|
|
|
+
|
|
|
+ taal_power_off(dssdev);
|
|
|
+ taal_hw_reset(dssdev);
|
|
|
+ return taal_power_on(dssdev);
|
|
|
+}
|
|
|
+
|
|
|
static int taal_enable(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);
|
|
|
int r;
|
|
|
|
|
|
dev_dbg(&dssdev->dev, "enable\n");
|
|
@@ -975,18 +1281,16 @@ static int taal_enable(struct omap_dss_device *dssdev)
|
|
|
goto err;
|
|
|
}
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
r = taal_power_on(dssdev);
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
if (r)
|
|
|
goto err;
|
|
|
|
|
|
- if (panel_data->use_esd_check)
|
|
|
- queue_delayed_work(td->esd_wq, &td->esd_work,
|
|
|
- TAAL_ESD_CHECK_PERIOD);
|
|
|
+ taal_queue_esd_work(dssdev);
|
|
|
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
|
|
|
|
@@ -1007,14 +1311,17 @@ static void taal_disable(struct omap_dss_device *dssdev)
|
|
|
|
|
|
mutex_lock(&td->lock);
|
|
|
|
|
|
- cancel_delayed_work(&td->esd_work);
|
|
|
+ taal_cancel_ulps_work(dssdev);
|
|
|
+ taal_cancel_esd_work(dssdev);
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
- if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
|
|
|
+ if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) {
|
|
|
+ taal_wake_up(dssdev);
|
|
|
taal_power_off(dssdev);
|
|
|
+ }
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
|
|
|
|
@@ -1035,13 +1342,16 @@ static int taal_suspend(struct omap_dss_device *dssdev)
|
|
|
goto err;
|
|
|
}
|
|
|
|
|
|
- cancel_delayed_work(&td->esd_work);
|
|
|
+ taal_cancel_ulps_work(dssdev);
|
|
|
+ taal_cancel_esd_work(dssdev);
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
- taal_power_off(dssdev);
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (!r)
|
|
|
+ taal_power_off(dssdev);
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
|
|
|
|
|
@@ -1056,7 +1366,6 @@ err:
|
|
|
static int taal_resume(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);
|
|
|
int r;
|
|
|
|
|
|
dev_dbg(&dssdev->dev, "resume\n");
|
|
@@ -1068,19 +1377,17 @@ static int taal_resume(struct omap_dss_device *dssdev)
|
|
|
goto err;
|
|
|
}
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
r = taal_power_on(dssdev);
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
if (r) {
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
|
|
|
} else {
|
|
|
dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
|
|
|
- if (panel_data->use_esd_check)
|
|
|
- queue_delayed_work(td->esd_wq, &td->esd_work,
|
|
|
- TAAL_ESD_CHECK_PERIOD);
|
|
|
+ taal_queue_esd_work(dssdev);
|
|
|
}
|
|
|
|
|
|
mutex_unlock(&td->lock);
|
|
@@ -1095,7 +1402,7 @@ static void taal_framedone_cb(int err, void *data)
|
|
|
{
|
|
|
struct omap_dss_device *dssdev = data;
|
|
|
dev_dbg(&dssdev->dev, "framedone, err %d\n", err);
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
}
|
|
|
|
|
|
static irqreturn_t taal_te_isr(int irq, void *data)
|
|
@@ -1123,7 +1430,7 @@ static irqreturn_t taal_te_isr(int irq, void *data)
|
|
|
return IRQ_HANDLED;
|
|
|
err:
|
|
|
dev_err(&dssdev->dev, "start update failed\n");
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
return IRQ_HANDLED;
|
|
|
}
|
|
|
|
|
@@ -1136,7 +1443,7 @@ static void taal_te_timeout_work_callback(struct work_struct *work)
|
|
|
dev_err(&dssdev->dev, "TE not received for 250ms!\n");
|
|
|
|
|
|
atomic_set(&td->do_update, 0);
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
}
|
|
|
|
|
|
static int taal_update(struct omap_dss_device *dssdev,
|
|
@@ -1149,7 +1456,11 @@ static int taal_update(struct omap_dss_device *dssdev,
|
|
|
dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
|
|
|
|
|
|
mutex_lock(&td->lock);
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err;
|
|
|
|
|
|
if (!td->enabled) {
|
|
|
r = 0;
|
|
@@ -1184,7 +1495,7 @@ static int taal_update(struct omap_dss_device *dssdev,
|
|
|
mutex_unlock(&td->lock);
|
|
|
return 0;
|
|
|
err:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
return r;
|
|
|
}
|
|
@@ -1196,8 +1507,8 @@ static int taal_sync(struct omap_dss_device *dssdev)
|
|
|
dev_dbg(&dssdev->dev, "sync\n");
|
|
|
|
|
|
mutex_lock(&td->lock);
|
|
|
- dsi_bus_lock();
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
|
|
|
dev_dbg(&dssdev->dev, "sync done\n");
|
|
@@ -1235,9 +1546,13 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
|
|
|
if (td->te_enabled == enable)
|
|
|
goto end;
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
if (td->enabled) {
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err;
|
|
|
+
|
|
|
r = _taal_enable_te(dssdev, enable);
|
|
|
if (r)
|
|
|
goto err;
|
|
@@ -1245,13 +1560,13 @@ static int taal_enable_te(struct omap_dss_device *dssdev, bool enable)
|
|
|
|
|
|
td->te_enabled = enable;
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
end:
|
|
|
mutex_unlock(&td->lock);
|
|
|
|
|
|
return 0;
|
|
|
err:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
|
|
|
return r;
|
|
@@ -1281,9 +1596,13 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
|
|
|
if (td->rotate == rotate)
|
|
|
goto end;
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
|
|
|
if (td->enabled) {
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err;
|
|
|
+
|
|
|
r = taal_set_addr_mode(td, rotate, td->mirror);
|
|
|
if (r)
|
|
|
goto err;
|
|
@@ -1291,12 +1610,12 @@ static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate)
|
|
|
|
|
|
td->rotate = rotate;
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
end:
|
|
|
mutex_unlock(&td->lock);
|
|
|
return 0;
|
|
|
err:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
return r;
|
|
|
}
|
|
@@ -1325,8 +1644,12 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
|
|
|
if (td->mirror == enable)
|
|
|
goto end;
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
if (td->enabled) {
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err;
|
|
|
+
|
|
|
r = taal_set_addr_mode(td, td->rotate, enable);
|
|
|
if (r)
|
|
|
goto err;
|
|
@@ -1334,12 +1657,12 @@ static int taal_mirror(struct omap_dss_device *dssdev, bool enable)
|
|
|
|
|
|
td->mirror = enable;
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
end:
|
|
|
mutex_unlock(&td->lock);
|
|
|
return 0;
|
|
|
err:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
return r;
|
|
|
}
|
|
@@ -1369,7 +1692,11 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
|
|
|
goto err1;
|
|
|
}
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err2;
|
|
|
|
|
|
r = taal_dcs_read_1(td, DCS_GET_ID1, &id1);
|
|
|
if (r)
|
|
@@ -1381,11 +1708,11 @@ static int taal_run_test(struct omap_dss_device *dssdev, int test_num)
|
|
|
if (r)
|
|
|
goto err2;
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
mutex_unlock(&td->lock);
|
|
|
return 0;
|
|
|
err2:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
err1:
|
|
|
mutex_unlock(&td->lock);
|
|
|
return r;
|
|
@@ -1415,7 +1742,11 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
|
|
|
dssdev->panel.timings.x_res *
|
|
|
dssdev->panel.timings.y_res * 3);
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r)
|
|
|
+ goto err2;
|
|
|
|
|
|
/* plen 1 or 2 goes into short packet. until checksum error is fixed,
|
|
|
* use short packets. plen 32 works, but bigger packets seem to cause
|
|
@@ -1427,7 +1758,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
|
|
|
|
|
|
taal_set_update_window(td, x, y, w, h);
|
|
|
|
|
|
- r = dsi_vc_set_max_rx_packet_size(td->channel, plen);
|
|
|
+ r = dsi_vc_set_max_rx_packet_size(dssdev, td->channel, plen);
|
|
|
if (r)
|
|
|
goto err2;
|
|
|
|
|
@@ -1435,7 +1766,7 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
|
|
|
u8 dcs_cmd = first ? 0x2e : 0x3e;
|
|
|
first = 0;
|
|
|
|
|
|
- r = dsi_vc_dcs_read(td->channel, dcs_cmd,
|
|
|
+ r = dsi_vc_dcs_read(dssdev, td->channel, dcs_cmd,
|
|
|
buf + buf_used, size - buf_used);
|
|
|
|
|
|
if (r < 0) {
|
|
@@ -1461,14 +1792,35 @@ static int taal_memory_read(struct omap_dss_device *dssdev,
|
|
|
r = buf_used;
|
|
|
|
|
|
err3:
|
|
|
- dsi_vc_set_max_rx_packet_size(td->channel, 1);
|
|
|
+ dsi_vc_set_max_rx_packet_size(dssdev, td->channel, 1);
|
|
|
err2:
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
err1:
|
|
|
mutex_unlock(&td->lock);
|
|
|
return r;
|
|
|
}
|
|
|
|
|
|
+static void taal_ulps_work(struct work_struct *work)
|
|
|
+{
|
|
|
+ struct taal_data *td = container_of(work, struct taal_data,
|
|
|
+ ulps_work.work);
|
|
|
+ struct omap_dss_device *dssdev = td->dssdev;
|
|
|
+
|
|
|
+ mutex_lock(&td->lock);
|
|
|
+
|
|
|
+ if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || !td->enabled) {
|
|
|
+ mutex_unlock(&td->lock);
|
|
|
+ return;
|
|
|
+ }
|
|
|
+
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+
|
|
|
+ taal_enter_ulps(dssdev);
|
|
|
+
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
+ mutex_unlock(&td->lock);
|
|
|
+}
|
|
|
+
|
|
|
static void taal_esd_work(struct work_struct *work)
|
|
|
{
|
|
|
struct taal_data *td = container_of(work, struct taal_data,
|
|
@@ -1485,7 +1837,13 @@ static void taal_esd_work(struct work_struct *work)
|
|
|
return;
|
|
|
}
|
|
|
|
|
|
- dsi_bus_lock();
|
|
|
+ dsi_bus_lock(dssdev);
|
|
|
+
|
|
|
+ r = taal_wake_up(dssdev);
|
|
|
+ if (r) {
|
|
|
+ dev_err(&dssdev->dev, "failed to exit ULPS\n");
|
|
|
+ goto err;
|
|
|
+ }
|
|
|
|
|
|
r = taal_dcs_read_1(td, DCS_RDDSDR, &state1);
|
|
|
if (r) {
|
|
@@ -1521,22 +1879,20 @@ static void taal_esd_work(struct work_struct *work)
|
|
|
goto err;
|
|
|
}
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
- queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
|
|
|
+ taal_queue_esd_work(dssdev);
|
|
|
|
|
|
mutex_unlock(&td->lock);
|
|
|
return;
|
|
|
err:
|
|
|
dev_err(&dssdev->dev, "performing LCD reset\n");
|
|
|
|
|
|
- taal_power_off(dssdev);
|
|
|
- taal_hw_reset(dssdev);
|
|
|
- taal_power_on(dssdev);
|
|
|
+ taal_panel_reset(dssdev);
|
|
|
|
|
|
- dsi_bus_unlock();
|
|
|
+ dsi_bus_unlock(dssdev);
|
|
|
|
|
|
- queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD);
|
|
|
+ taal_queue_esd_work(dssdev);
|
|
|
|
|
|
mutex_unlock(&td->lock);
|
|
|
}
|
|
@@ -1557,7 +1913,7 @@ static enum omap_dss_update_mode taal_get_update_mode(
|
|
|
|
|
|
static struct omap_dss_driver taal_driver = {
|
|
|
.probe = taal_probe,
|
|
|
- .remove = taal_remove,
|
|
|
+ .remove = __exit_p(taal_remove),
|
|
|
|
|
|
.enable = taal_enable,
|
|
|
.disable = taal_disable,
|