Lines Matching refs:ddata
77 static void dsicm_bl_power(struct panel_drv_data *ddata, bool enable)
81 if (ddata->bldev)
82 backlight = ddata->bldev;
83 else if (ddata->extbldev)
84 backlight = ddata->extbldev;
94 static void hw_guard_start(struct panel_drv_data *ddata, int guard_msec)
96 ddata->hw_guard_wait = msecs_to_jiffies(guard_msec);
97 ddata->hw_guard_end = jiffies + ddata->hw_guard_wait;
100 static void hw_guard_wait(struct panel_drv_data *ddata)
102 unsigned long wait = ddata->hw_guard_end - jiffies;
104 if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
110 static int dsicm_dcs_read_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 *data)
112 return mipi_dsi_dcs_read(ddata->dsi, dcs_cmd, data, 1);
115 static int dsicm_dcs_write_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 param)
117 return mipi_dsi_dcs_write(ddata->dsi, dcs_cmd, ¶m, 1);
120 static int dsicm_sleep_in(struct panel_drv_data *ddata)
125 hw_guard_wait(ddata);
127 r = mipi_dsi_dcs_enter_sleep_mode(ddata->dsi);
131 hw_guard_start(ddata, 120);
138 static int dsicm_sleep_out(struct panel_drv_data *ddata)
142 hw_guard_wait(ddata);
144 r = mipi_dsi_dcs_exit_sleep_mode(ddata->dsi);
148 hw_guard_start(ddata, 120);
155 static int dsicm_get_id(struct panel_drv_data *ddata, u8 *id1, u8 *id2, u8 *id3)
159 r = dsicm_dcs_read_1(ddata, DCS_GET_ID1, id1);
162 r = dsicm_dcs_read_1(ddata, DCS_GET_ID2, id2);
165 r = dsicm_dcs_read_1(ddata, DCS_GET_ID3, id3);
172 static int dsicm_set_update_window(struct panel_drv_data *ddata)
174 struct mipi_dsi_device *dsi = ddata->dsi;
177 r = mipi_dsi_dcs_set_column_address(dsi, 0, ddata->mode.hdisplay - 1);
181 r = mipi_dsi_dcs_set_page_address(dsi, 0, ddata->mode.vdisplay - 1);
190 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
194 dev_dbg(&ddata->dsi->dev, "update brightness to %d\n", level);
196 mutex_lock(&ddata->lock);
198 if (ddata->enabled)
199 r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_DISPLAY_BRIGHTNESS,
202 mutex_unlock(&ddata->lock);
220 struct panel_drv_data *ddata = dev_get_drvdata(dev);
224 mutex_lock(&ddata->lock);
226 if (ddata->enabled)
227 r = dsicm_dcs_read_1(ddata, MIPI_DCS_GET_ERROR_COUNT_ON_DSI, &errors);
229 mutex_unlock(&ddata->lock);
240 struct panel_drv_data *ddata = dev_get_drvdata(dev);
244 mutex_lock(&ddata->lock);
246 if (ddata->enabled)
247 r = dsicm_get_id(ddata, &id1, &id2, &id3);
249 mutex_unlock(&ddata->lock);
270 static void dsicm_hw_reset(struct panel_drv_data *ddata)
272 gpiod_set_value(ddata->reset_gpio, 1);
275 gpiod_set_value(ddata->reset_gpio, 0);
278 gpiod_set_value(ddata->reset_gpio, 1);
283 static int dsicm_power_on(struct panel_drv_data *ddata)
288 dsicm_hw_reset(ddata);
290 ddata->dsi->mode_flags |= MIPI_DSI_MODE_LPM;
292 r = dsicm_sleep_out(ddata);
296 r = dsicm_get_id(ddata, &id1, &id2, &id3);
300 r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_DISPLAY_BRIGHTNESS, 0xff);
304 r = dsicm_dcs_write_1(ddata, MIPI_DCS_WRITE_CONTROL_DISPLAY,
309 r = mipi_dsi_dcs_set_pixel_format(ddata->dsi, MIPI_DCS_PIXEL_FMT_24BIT);
313 r = dsicm_set_update_window(ddata);
317 r = mipi_dsi_dcs_set_display_on(ddata->dsi);
321 if (ddata->panel_data->te_support) {
322 r = mipi_dsi_dcs_set_tear_on(ddata->dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
330 ddata->enabled = true;
332 if (!ddata->intro_printed) {
333 dev_info(&ddata->dsi->dev, "panel revision %02x.%02x.%02x\n",
335 ddata->intro_printed = true;
338 ddata->dsi->mode_flags &= ~MIPI_DSI_MODE_LPM;
342 dev_err(&ddata->dsi->dev, "error while enabling panel, issuing HW reset\n");
344 dsicm_hw_reset(ddata);
349 static int dsicm_power_off(struct panel_drv_data *ddata)
353 ddata->enabled = false;
355 r = mipi_dsi_dcs_set_display_off(ddata->dsi);
357 r = dsicm_sleep_in(ddata);
360 dev_err(&ddata->dsi->dev,
362 dsicm_hw_reset(ddata);
370 struct panel_drv_data *ddata = panel_to_ddata(panel);
373 r = regulator_bulk_enable(ARRAY_SIZE(ddata->supplies), ddata->supplies);
375 dev_err(&ddata->dsi->dev, "failed to enable supplies: %d\n", r);
382 struct panel_drv_data *ddata = panel_to_ddata(panel);
385 mutex_lock(&ddata->lock);
387 r = dsicm_power_on(ddata);
391 mutex_unlock(&ddata->lock);
393 dsicm_bl_power(ddata, true);
397 dev_err(&ddata->dsi->dev, "enable failed (%d)\n", r);
398 mutex_unlock(&ddata->lock);
404 struct panel_drv_data *ddata = panel_to_ddata(panel);
407 r = regulator_bulk_disable(ARRAY_SIZE(ddata->supplies), ddata->supplies);
409 dev_err(&ddata->dsi->dev, "failed to disable supplies: %d\n", r);
416 struct panel_drv_data *ddata = panel_to_ddata(panel);
419 dsicm_bl_power(ddata, false);
421 mutex_lock(&ddata->lock);
423 r = dsicm_power_off(ddata);
425 mutex_unlock(&ddata->lock);
433 struct panel_drv_data *ddata = panel_to_ddata(panel);
436 mode = drm_mode_duplicate(connector->dev, &ddata->mode);
438 dev_err(&ddata->dsi->dev, "failed to add mode %ux%ux@%u kHz\n",
439 ddata->mode.hdisplay, ddata->mode.vdisplay,
440 ddata->mode.clock);
444 connector->display_info.width_mm = ddata->panel_data->width_mm;
445 connector->display_info.height_mm = ddata->panel_data->height_mm;
463 struct panel_drv_data *ddata = mipi_dsi_get_drvdata(dsi);
465 struct drm_display_mode *mode = &ddata->mode;
467 ddata->reset_gpio = devm_gpiod_get(&dsi->dev, "reset", GPIOD_OUT_LOW);
468 if (IS_ERR(ddata->reset_gpio)) {
469 err = PTR_ERR(ddata->reset_gpio);
475 ddata->panel_data->xres;
477 ddata->panel_data->yres;
478 mode->clock = ddata->panel_data->xres * ddata->panel_data->yres *
479 ddata->panel_data->refresh / 1000;
480 mode->width_mm = ddata->panel_data->width_mm;
481 mode->height_mm = ddata->panel_data->height_mm;
485 ddata->supplies[0].supply = "vpnl";
486 ddata->supplies[1].supply = "vddi";
487 err = devm_regulator_bulk_get(&dsi->dev, ARRAY_SIZE(ddata->supplies),
488 ddata->supplies);
498 ddata->extbldev = backlight;
500 ddata->use_dsi_backlight = true;
507 struct panel_drv_data *ddata;
514 ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
515 if (!ddata)
518 mipi_dsi_set_drvdata(dsi, ddata);
519 ddata->dsi = dsi;
521 ddata->panel_data = of_device_get_match_data(dev);
522 if (!ddata->panel_data)
529 mutex_init(&ddata->lock);
531 dsicm_hw_reset(ddata);
533 drm_panel_init(&ddata->panel, dev, &dsicm_panel_funcs,
536 if (ddata->use_dsi_backlight) {
542 dev, ddata, &dsicm_bl_ops, &props);
548 ddata->bldev = bldev;
561 dsi->hs_rate = ddata->panel_data->max_hs_rate;
562 dsi->lp_rate = ddata->panel_data->max_lp_rate;
564 drm_panel_add(&ddata->panel);
573 drm_panel_remove(&ddata->panel);
576 if (ddata->extbldev)
577 put_device(&ddata->extbldev->dev);
584 struct panel_drv_data *ddata = mipi_dsi_get_drvdata(dsi);
590 drm_panel_remove(&ddata->panel);
594 if (ddata->extbldev)
595 put_device(&ddata->extbldev->dev);