From 8d3573c88a5a7b67a5fec5eb457efa3616fe56b7 Mon Sep 17 00:00:00 2001 From: Tomi Valkeinen Date: Wed, 9 Jun 2010 15:23:44 +0300 Subject: [PATCH] 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 Signed-off-by: Tomi Valkeinen --- drivers/video/omap2/displays/panel-taal.c | 59 +++++++++++++++-------- 1 file 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 #include +#include /* 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; -- 2.39.2