diff options
Diffstat (limited to 'drivers/video/omap2/displays/panel-taal.c')
-rw-r--r-- | drivers/video/omap2/displays/panel-taal.c | 300 |
1 files changed, 30 insertions, 270 deletions
diff --git a/drivers/video/omap2/displays/panel-taal.c b/drivers/video/omap2/displays/panel-taal.c index a32407a5735a..c4f78bda115a 100644 --- a/drivers/video/omap2/displays/panel-taal.c +++ b/drivers/video/omap2/displays/panel-taal.c @@ -33,7 +33,7 @@ #include <linux/mutex.h> #include <video/omapdss.h> -#include <video/omap-panel-nokia-dsi.h> +#include <video/omap-panel-data.h> #include <video/mipi_display.h> /* DSI Virtual channel. Hardcoded for now. */ @@ -54,61 +54,6 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable); static int taal_panel_reset(struct omap_dss_device *dssdev); -/** - * struct panel_config - panel configuration - * @name: panel name - * @type: panel type - * @timings: panel resolution - * @sleep: various panel specific delays, passed to msleep() if non-zero - * @reset_sequence: reset sequence timings, passed to udelay() if non-zero - * @regulators: array of panel regulators - * @num_regulators: number of regulators in the array - */ -struct panel_config { - const char *name; - int type; - - struct omap_video_timings timings; - - struct { - unsigned int sleep_in; - unsigned int sleep_out; - unsigned int hw_reset; - unsigned int enable_te; - } sleep; - - struct { - unsigned int high; - unsigned int low; - } reset_sequence; - -}; - -enum { - PANEL_TAAL, -}; - -static struct panel_config panel_configs[] = { - { - .name = "taal", - .type = PANEL_TAAL, - .timings = { - .x_res = 864, - .y_res = 480, - }, - .sleep = { - .sleep_in = 5, - .sleep_out = 5, - .hw_reset = 5, - .enable_te = 100, /* possible panel bug */ - }, - .reset_sequence = { - .high = 10, - .low = 10, - }, - }, -}; - struct taal_data { struct mutex lock; @@ -121,9 +66,6 @@ struct taal_data { struct omap_dss_device *dssdev; - /* panel specific HW info */ - struct panel_config *panel_config; - /* panel HW configuration from DT or platform data */ int reset_gpio; int ext_te_gpio; @@ -134,8 +76,6 @@ struct taal_data { /* runtime variables */ bool enabled; - u8 rotate; - bool mirror; bool te_enabled; @@ -221,8 +161,7 @@ static int taal_sleep_in(struct taal_data *td) hw_guard_start(td, 120); - if (td->panel_config->sleep.sleep_in) - msleep(td->panel_config->sleep.sleep_in); + msleep(5); return 0; } @@ -239,8 +178,7 @@ static int taal_sleep_out(struct taal_data *td) hw_guard_start(td, 120); - if (td->panel_config->sleep.sleep_out) - msleep(td->panel_config->sleep.sleep_out); + msleep(5); return 0; } @@ -262,49 +200,6 @@ static int taal_get_id(struct taal_data *td, u8 *id1, u8 *id2, u8 *id3) return 0; } -static int taal_set_addr_mode(struct taal_data *td, u8 rotate, bool mirror) -{ - int r; - u8 mode; - int b5, b6, b7; - - r = taal_dcs_read_1(td, MIPI_DCS_GET_ADDRESS_MODE, &mode); - if (r) - return r; - - switch (rotate) { - default: - case 0: - b7 = 0; - b6 = 0; - b5 = 0; - break; - case 1: - b7 = 0; - b6 = 1; - b5 = 1; - break; - case 2: - b7 = 1; - b6 = 1; - b5 = 0; - break; - case 3: - b7 = 1; - b6 = 0; - b5 = 1; - break; - } - - if (mirror) - b6 = !b6; - - mode &= ~((1<<7) | (1<<6) | (1<<5)); - mode |= (b7 << 7) | (b6 << 6) | (b5 << 5); - - return taal_dcs_write_1(td, MIPI_DCS_SET_ADDRESS_MODE, mode); -} - static int taal_set_update_window(struct taal_data *td, u16 x, u16 y, u16 w, u16 h) { @@ -515,15 +410,8 @@ static const struct backlight_ops taal_bl_ops = { static void taal_get_resolution(struct omap_dss_device *dssdev, u16 *xres, u16 *yres) { - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - - if (td->rotate == 0 || td->rotate == 2) { - *xres = dssdev->panel.timings.x_res; - *yres = dssdev->panel.timings.y_res; - } else { - *yres = dssdev->panel.timings.x_res; - *xres = dssdev->panel.timings.y_res; - } + *xres = dssdev->panel.timings.x_res; + *yres = dssdev->panel.timings.y_res; } static ssize_t taal_num_errors_show(struct device *dev, @@ -845,17 +733,14 @@ static void taal_hw_reset(struct omap_dss_device *dssdev) return; gpio_set_value(td->reset_gpio, 1); - if (td->panel_config->reset_sequence.high) - udelay(td->panel_config->reset_sequence.high); + udelay(10); /* reset the panel */ gpio_set_value(td->reset_gpio, 0); /* assert reset */ - if (td->panel_config->reset_sequence.low) - udelay(td->panel_config->reset_sequence.low); + udelay(10); gpio_set_value(td->reset_gpio, 1); /* wait after releasing reset */ - if (td->panel_config->sleep.hw_reset) - msleep(td->panel_config->sleep.hw_reset); + msleep(5); } static void taal_probe_pdata(struct taal_data *td, @@ -881,8 +766,7 @@ static int taal_probe(struct omap_dss_device *dssdev) struct backlight_properties props; struct taal_data *td; struct backlight_device *bldev = NULL; - int r, i; - const char *panel_name; + int r; dev_dbg(&dssdev->dev, "probe\n"); @@ -897,26 +781,13 @@ static int taal_probe(struct omap_dss_device *dssdev) const struct nokia_dsi_panel_data *pdata = dssdev->data; taal_probe_pdata(td, pdata); - - panel_name = pdata->name; } else { return -ENODEV; } - if (panel_name == NULL) - return -EINVAL; - - for (i = 0; i < ARRAY_SIZE(panel_configs); i++) { - if (strcmp(panel_name, panel_configs[i].name) == 0) { - td->panel_config = &panel_configs[i]; - break; - } - } - - if (!td->panel_config) - return -EINVAL; - - dssdev->panel.timings = td->panel_config->timings; + dssdev->panel.timings.x_res = 864; + dssdev->panel.timings.y_res = 480; + dssdev->panel.timings.pixel_clock = DIV_ROUND_UP(864 * 480 * 60, 1000); dssdev->panel.dsi_pix_fmt = OMAP_DSS_DSI_FMT_RGB888; dssdev->caps = OMAP_DSS_DISPLAY_CAP_MANUAL_UPDATE | OMAP_DSS_DISPLAY_CAP_TEAR_ELIM; @@ -1049,6 +920,15 @@ static int taal_power_on(struct omap_dss_device *dssdev) struct taal_data *td = dev_get_drvdata(&dssdev->dev); u8 id1, id2, id3; int r; + struct omap_dss_dsi_config dsi_config = { + .mode = OMAP_DSS_DSI_CMD_MODE, + .pixel_format = OMAP_DSS_DSI_FMT_RGB888, + .timings = &dssdev->panel.timings, + .hs_clk_min = 150000000, + .hs_clk_max = 300000000, + .lp_clk_min = 7000000, + .lp_clk_max = 10000000, + }; r = omapdss_dsi_configure_pins(dssdev, &td->pin_config); if (r) { @@ -1056,14 +936,9 @@ static int taal_power_on(struct omap_dss_device *dssdev) goto err0; }; - omapdss_dsi_set_size(dssdev, dssdev->panel.timings.x_res, - dssdev->panel.timings.y_res); - omapdss_dsi_set_pixel_format(dssdev, OMAP_DSS_DSI_FMT_RGB888); - omapdss_dsi_set_operation_mode(dssdev, OMAP_DSS_DSI_CMD_MODE); - - r = omapdss_dsi_set_clocks(dssdev, 216000000, 10000000); + r = omapdss_dsi_set_config(dssdev, &dsi_config); if (r) { - dev_err(&dssdev->dev, "failed to set HS and LP clocks\n"); + dev_err(&dssdev->dev, "failed to configure DSI\n"); goto err0; } @@ -1086,8 +961,7 @@ static int taal_power_on(struct omap_dss_device *dssdev) goto err; /* on early Taal revisions CABC is broken */ - if (td->panel_config->type == PANEL_TAAL && - (id2 == 0x00 || id2 == 0xff || id2 == 0x81)) + if (id2 == 0x00 || id2 == 0xff || id2 == 0x81) td->cabc_broken = true; r = taal_dcs_write_1(td, DCS_BRIGHTNESS, 0xff); @@ -1104,10 +978,6 @@ static int taal_power_on(struct omap_dss_device *dssdev) if (r) goto err; - r = taal_set_addr_mode(td, td->rotate, td->mirror); - if (r) - goto err; - if (!td->cabc_broken) { r = taal_dcs_write_1(td, DCS_WRITE_CABC, td->cabc_mode); if (r) @@ -1129,8 +999,8 @@ static int taal_power_on(struct omap_dss_device *dssdev) td->enabled = 1; if (!td->intro_printed) { - dev_info(&dssdev->dev, "%s panel revision %02x.%02x.%02x\n", - td->panel_config->name, id1, id2, id3); + dev_info(&dssdev->dev, "panel revision %02x.%02x.%02x\n", + id1, id2, id3); if (td->cabc_broken) dev_info(&dssdev->dev, "old Taal version, CABC disabled\n"); @@ -1311,8 +1181,8 @@ static int taal_update(struct omap_dss_device *dssdev, /* XXX no need to send this every frame, but dsi break if not done */ r = taal_set_update_window(td, 0, 0, - td->panel_config->timings.x_res, - td->panel_config->timings.y_res); + dssdev->panel.timings.x_res, + dssdev->panel.timings.y_res); if (r) goto err; @@ -1365,8 +1235,8 @@ static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable) if (!gpio_is_valid(td->ext_te_gpio)) omapdss_dsi_enable_te(dssdev, enable); - if (td->panel_config->sleep.enable_te) - msleep(td->panel_config->sleep.enable_te); + /* possible panel bug */ + msleep(100); return r; } @@ -1419,112 +1289,6 @@ static int taal_get_te(struct omap_dss_device *dssdev) return r; } -static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - u16 dw, dh; - int r; - - dev_dbg(&dssdev->dev, "rotate %d\n", rotate); - - mutex_lock(&td->lock); - - if (td->rotate == rotate) - goto end; - - 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; - } - - if (rotate == 0 || rotate == 2) { - dw = dssdev->panel.timings.x_res; - dh = dssdev->panel.timings.y_res; - } else { - dw = dssdev->panel.timings.y_res; - dh = dssdev->panel.timings.x_res; - } - - omapdss_dsi_set_size(dssdev, dw, dh); - - td->rotate = rotate; - - dsi_bus_unlock(dssdev); -end: - mutex_unlock(&td->lock); - return 0; -err: - dsi_bus_unlock(dssdev); - mutex_unlock(&td->lock); - return r; -} - -static u8 taal_get_rotate(struct omap_dss_device *dssdev) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&td->lock); - r = td->rotate; - mutex_unlock(&td->lock); - - return r; -} - -static int taal_mirror(struct omap_dss_device *dssdev, bool enable) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - dev_dbg(&dssdev->dev, "mirror %d\n", enable); - - mutex_lock(&td->lock); - - if (td->mirror == enable) - goto end; - - 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; - } - - td->mirror = enable; - - dsi_bus_unlock(dssdev); -end: - mutex_unlock(&td->lock); - return 0; -err: - dsi_bus_unlock(dssdev); - mutex_unlock(&td->lock); - return r; -} - -static bool taal_get_mirror(struct omap_dss_device *dssdev) -{ - struct taal_data *td = dev_get_drvdata(&dssdev->dev); - int r; - - mutex_lock(&td->lock); - r = td->mirror; - mutex_unlock(&td->lock); - - return r; -} - static int taal_run_test(struct omap_dss_device *dssdev, int test_num) { struct taal_data *td = dev_get_drvdata(&dssdev->dev); @@ -1758,10 +1522,6 @@ static struct omap_dss_driver taal_driver = { .enable_te = taal_enable_te, .get_te = taal_get_te, - .set_rotate = taal_rotate, - .get_rotate = taal_get_rotate, - .set_mirror = taal_mirror, - .get_mirror = taal_get_mirror, .run_test = taal_run_test, .memory_read = taal_memory_read, |