Lines Matching refs:ddata
96 static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable);
98 static int dsicm_panel_reset(struct panel_drv_data *ddata);
102 static void dsicm_bl_power(struct panel_drv_data *ddata, bool enable)
106 if (ddata->bldev)
107 backlight = ddata->bldev;
108 else if (ddata->extbldev)
109 backlight = ddata->extbldev;
126 static void hw_guard_start(struct panel_drv_data *ddata, int guard_msec)
128 ddata->hw_guard_wait = msecs_to_jiffies(guard_msec);
129 ddata->hw_guard_end = jiffies + ddata->hw_guard_wait;
132 static void hw_guard_wait(struct panel_drv_data *ddata)
134 unsigned long wait = ddata->hw_guard_end - jiffies;
136 if ((long)wait > 0 && wait <= ddata->hw_guard_wait) {
142 static int dsicm_dcs_read_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 *data)
144 struct omap_dss_device *src = ddata->src;
148 r = src->ops->dsi.dcs_read(src, ddata->channel, dcs_cmd, buf, 1);
158 static int dsicm_dcs_write_0(struct panel_drv_data *ddata, u8 dcs_cmd)
160 struct omap_dss_device *src = ddata->src;
162 return src->ops->dsi.dcs_write(src, ddata->channel, &dcs_cmd, 1);
165 static int dsicm_dcs_write_1(struct panel_drv_data *ddata, u8 dcs_cmd, u8 param)
167 struct omap_dss_device *src = ddata->src;
170 return src->ops->dsi.dcs_write(src, ddata->channel, buf, 2);
173 static int dsicm_sleep_in(struct panel_drv_data *ddata)
176 struct omap_dss_device *src = ddata->src;
180 hw_guard_wait(ddata);
183 r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, &cmd, 1);
187 hw_guard_start(ddata, 120);
194 static int dsicm_sleep_out(struct panel_drv_data *ddata)
198 hw_guard_wait(ddata);
200 r = dsicm_dcs_write_0(ddata, MIPI_DCS_EXIT_SLEEP_MODE);
204 hw_guard_start(ddata, 120);
211 static int dsicm_get_id(struct panel_drv_data *ddata, u8 *id1, u8 *id2, u8 *id3)
215 r = dsicm_dcs_read_1(ddata, DCS_GET_ID1, id1);
218 r = dsicm_dcs_read_1(ddata, DCS_GET_ID2, id2);
221 r = dsicm_dcs_read_1(ddata, DCS_GET_ID3, id3);
228 static int dsicm_set_update_window(struct panel_drv_data *ddata,
231 struct omap_dss_device *src = ddata->src;
245 r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, buf, sizeof(buf));
255 r = src->ops->dsi.dcs_write_nosync(src, ddata->channel, buf, sizeof(buf));
259 src->ops->dsi.bta_sync(src, ddata->channel);
264 static void dsicm_queue_ulps_work(struct panel_drv_data *ddata)
266 if (ddata->ulps_timeout > 0)
267 queue_delayed_work(ddata->workqueue, &ddata->ulps_work,
268 msecs_to_jiffies(ddata->ulps_timeout));
271 static void dsicm_cancel_ulps_work(struct panel_drv_data *ddata)
273 cancel_delayed_work(&ddata->ulps_work);
276 static int dsicm_enter_ulps(struct panel_drv_data *ddata)
278 struct omap_dss_device *src = ddata->src;
281 if (ddata->ulps_enabled)
284 dsicm_cancel_ulps_work(ddata);
286 r = _dsicm_enable_te(ddata, false);
290 if (ddata->ext_te_gpio)
291 disable_irq(gpiod_to_irq(ddata->ext_te_gpio));
295 ddata->ulps_enabled = true;
300 dev_err(&ddata->pdev->dev, "enter ULPS failed");
301 dsicm_panel_reset(ddata);
303 ddata->ulps_enabled = false;
305 dsicm_queue_ulps_work(ddata);
310 static int dsicm_exit_ulps(struct panel_drv_data *ddata)
312 struct omap_dss_device *src = ddata->src;
315 if (!ddata->ulps_enabled)
319 src->ops->dsi.enable_hs(src, ddata->channel, true);
321 r = _dsicm_enable_te(ddata, true);
323 dev_err(&ddata->pdev->dev, "failed to re-enable TE");
327 if (ddata->ext_te_gpio)
328 enable_irq(gpiod_to_irq(ddata->ext_te_gpio));
330 dsicm_queue_ulps_work(ddata);
332 ddata->ulps_enabled = false;
337 dev_err(&ddata->pdev->dev, "failed to exit ULPS");
339 r = dsicm_panel_reset(ddata);
341 if (ddata->ext_te_gpio)
342 enable_irq(gpiod_to_irq(ddata->ext_te_gpio));
343 ddata->ulps_enabled = false;
346 dsicm_queue_ulps_work(ddata);
351 static int dsicm_wake_up(struct panel_drv_data *ddata)
353 if (ddata->ulps_enabled)
354 return dsicm_exit_ulps(ddata);
356 dsicm_cancel_ulps_work(ddata);
357 dsicm_queue_ulps_work(ddata);
363 struct panel_drv_data *ddata = dev_get_drvdata(&dev->dev);
364 struct omap_dss_device *src = ddata->src;
374 dev_dbg(&ddata->pdev->dev, "update brightness to %d\n", level);
376 mutex_lock(&ddata->lock);
378 if (ddata->enabled) {
381 r = dsicm_wake_up(ddata);
383 r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, level);
388 mutex_unlock(&ddata->lock);
410 struct panel_drv_data *ddata = dev_get_drvdata(dev);
411 struct omap_dss_device *src = ddata->src;
415 mutex_lock(&ddata->lock);
417 if (ddata->enabled) {
420 r = dsicm_wake_up(ddata);
422 r = dsicm_dcs_read_1(ddata, DCS_READ_NUM_ERRORS,
430 mutex_unlock(&ddata->lock);
441 struct panel_drv_data *ddata = dev_get_drvdata(dev);
442 struct omap_dss_device *src = ddata->src;
446 mutex_lock(&ddata->lock);
448 if (ddata->enabled) {
451 r = dsicm_wake_up(ddata);
453 r = dsicm_get_id(ddata, &id1, &id2, &id3);
460 mutex_unlock(&ddata->lock);
472 struct panel_drv_data *ddata = dev_get_drvdata(dev);
473 struct omap_dss_device *src = ddata->src;
481 mutex_lock(&ddata->lock);
483 if (ddata->enabled) {
487 r = dsicm_enter_ulps(ddata);
489 r = dsicm_wake_up(ddata);
494 mutex_unlock(&ddata->lock);
506 struct panel_drv_data *ddata = dev_get_drvdata(dev);
509 mutex_lock(&ddata->lock);
510 t = ddata->ulps_enabled;
511 mutex_unlock(&ddata->lock);
520 struct panel_drv_data *ddata = dev_get_drvdata(dev);
521 struct omap_dss_device *src = ddata->src;
529 mutex_lock(&ddata->lock);
530 ddata->ulps_timeout = t;
532 if (ddata->enabled) {
535 r = dsicm_wake_up(ddata);
539 mutex_unlock(&ddata->lock);
551 struct panel_drv_data *ddata = dev_get_drvdata(dev);
554 mutex_lock(&ddata->lock);
555 t = ddata->ulps_timeout;
556 mutex_unlock(&ddata->lock);
580 static void dsicm_hw_reset(struct panel_drv_data *ddata)
582 gpiod_set_value(ddata->reset_gpio, 1);
585 gpiod_set_value(ddata->reset_gpio, 0);
588 gpiod_set_value(ddata->reset_gpio, 1);
593 static int dsicm_power_on(struct panel_drv_data *ddata)
595 struct omap_dss_device *src = ddata->src;
601 .vm = &ddata->vm,
608 if (ddata->vpnl) {
609 r = regulator_enable(ddata->vpnl);
611 dev_err(&ddata->pdev->dev,
617 if (ddata->vddi) {
618 r = regulator_enable(ddata->vddi);
620 dev_err(&ddata->pdev->dev,
626 if (ddata->pin_config.num_pins > 0) {
627 r = src->ops->dsi.configure_pins(src, &ddata->pin_config);
629 dev_err(&ddata->pdev->dev,
637 dev_err(&ddata->pdev->dev, "failed to configure DSI\n");
643 dsicm_hw_reset(ddata);
645 src->ops->dsi.enable_hs(src, ddata->channel, false);
647 r = dsicm_sleep_out(ddata);
651 r = dsicm_get_id(ddata, &id1, &id2, &id3);
655 r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, 0xff);
659 r = dsicm_dcs_write_1(ddata, DCS_CTRL_DISPLAY,
664 r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_PIXEL_FORMAT,
669 r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_ON);
673 r = _dsicm_enable_te(ddata, ddata->te_enabled);
677 r = src->ops->dsi.enable_video_output(src, ddata->channel);
681 ddata->enabled = true;
683 if (!ddata->intro_printed) {
684 dev_info(&ddata->pdev->dev, "panel revision %02x.%02x.%02x\n",
686 ddata->intro_printed = true;
689 src->ops->dsi.enable_hs(src, ddata->channel, true);
693 dev_err(&ddata->pdev->dev, "error while enabling panel, issuing HW reset\n");
695 dsicm_hw_reset(ddata);
699 if (ddata->vddi)
700 regulator_disable(ddata->vddi);
702 if (ddata->vpnl)
703 regulator_disable(ddata->vpnl);
708 static void dsicm_power_off(struct panel_drv_data *ddata)
710 struct omap_dss_device *src = ddata->src;
713 src->ops->dsi.disable_video_output(src, ddata->channel);
715 r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_OFF);
717 r = dsicm_sleep_in(ddata);
720 dev_err(&ddata->pdev->dev,
722 dsicm_hw_reset(ddata);
727 if (ddata->vddi)
728 regulator_disable(ddata->vddi);
729 if (ddata->vpnl)
730 regulator_disable(ddata->vpnl);
732 ddata->enabled = false;
735 static int dsicm_panel_reset(struct panel_drv_data *ddata)
737 dev_err(&ddata->pdev->dev, "performing LCD reset\n");
739 dsicm_power_off(ddata);
740 dsicm_hw_reset(ddata);
741 return dsicm_power_on(ddata);
747 struct panel_drv_data *ddata = to_panel_data(dst);
748 struct device *dev = &ddata->pdev->dev;
751 r = src->ops->dsi.request_vc(src, &ddata->channel);
757 r = src->ops->dsi.set_vc_id(src, ddata->channel, TCH);
760 src->ops->dsi.release_vc(src, ddata->channel);
764 ddata->src = src;
771 struct panel_drv_data *ddata = to_panel_data(dst);
773 src->ops->dsi.release_vc(src, ddata->channel);
774 ddata->src = NULL;
779 struct panel_drv_data *ddata = to_panel_data(dssdev);
780 struct omap_dss_device *src = ddata->src;
783 mutex_lock(&ddata->lock);
787 r = dsicm_power_on(ddata);
794 mutex_unlock(&ddata->lock);
796 dsicm_bl_power(ddata, true);
800 dev_dbg(&ddata->pdev->dev, "enable failed (%d)\n", r);
801 mutex_unlock(&ddata->lock);
806 struct panel_drv_data *ddata = to_panel_data(dssdev);
807 struct omap_dss_device *src = ddata->src;
810 dsicm_bl_power(ddata, false);
812 mutex_lock(&ddata->lock);
814 dsicm_cancel_ulps_work(ddata);
818 r = dsicm_wake_up(ddata);
820 dsicm_power_off(ddata);
824 mutex_unlock(&ddata->lock);
829 struct panel_drv_data *ddata = data;
830 struct omap_dss_device *src = ddata->src;
832 dev_dbg(&ddata->pdev->dev, "framedone, err %d\n", err);
838 struct panel_drv_data *ddata = data;
839 struct omap_dss_device *src = ddata->src;
843 old = atomic_cmpxchg(&ddata->do_update, 1, 0);
846 cancel_delayed_work(&ddata->te_timeout_work);
848 r = src->ops->dsi.update(src, ddata->channel, dsicm_framedone_cb,
849 ddata);
856 dev_err(&ddata->pdev->dev, "start update failed\n");
863 struct panel_drv_data *ddata = container_of(work, struct panel_drv_data,
865 struct omap_dss_device *src = ddata->src;
867 dev_err(&ddata->pdev->dev, "TE not received for 250ms!\n");
869 atomic_set(&ddata->do_update, 0);
876 struct panel_drv_data *ddata = to_panel_data(dssdev);
877 struct omap_dss_device *src = ddata->src;
880 dev_dbg(&ddata->pdev->dev, "update %d, %d, %d x %d\n", x, y, w, h);
882 mutex_lock(&ddata->lock);
885 r = dsicm_wake_up(ddata);
889 if (!ddata->enabled) {
895 r = dsicm_set_update_window(ddata, 0, 0, ddata->vm.hactive,
896 ddata->vm.vactive);
900 if (ddata->te_enabled && ddata->ext_te_gpio) {
901 schedule_delayed_work(&ddata->te_timeout_work,
903 atomic_set(&ddata->do_update, 1);
905 r = src->ops->dsi.update(src, ddata->channel, dsicm_framedone_cb,
906 ddata);
912 mutex_unlock(&ddata->lock);
916 mutex_unlock(&ddata->lock);
922 struct panel_drv_data *ddata = to_panel_data(dssdev);
923 struct omap_dss_device *src = ddata->src;
925 dev_dbg(&ddata->pdev->dev, "sync\n");
927 mutex_lock(&ddata->lock);
930 mutex_unlock(&ddata->lock);
932 dev_dbg(&ddata->pdev->dev, "sync done\n");
937 static int _dsicm_enable_te(struct panel_drv_data *ddata, bool enable)
939 struct omap_dss_device *src = ddata->src;
943 r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_TEAR_ON, 0);
945 r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_TEAR_OFF);
947 if (!ddata->ext_te_gpio)
958 struct panel_drv_data *ddata = to_panel_data(dssdev);
959 struct omap_dss_device *src = ddata->src;
962 mutex_lock(&ddata->lock);
964 if (ddata->te_enabled == enable)
969 if (ddata->enabled) {
970 r = dsicm_wake_up(ddata);
974 r = _dsicm_enable_te(ddata, enable);
979 ddata->te_enabled = enable;
983 mutex_unlock(&ddata->lock);
988 mutex_unlock(&ddata->lock);
995 struct panel_drv_data *ddata = to_panel_data(dssdev);
998 mutex_lock(&ddata->lock);
999 r = ddata->te_enabled;
1000 mutex_unlock(&ddata->lock);
1009 struct panel_drv_data *ddata = to_panel_data(dssdev);
1010 struct omap_dss_device *src = ddata->src;
1019 mutex_lock(&ddata->lock);
1021 if (!ddata->enabled) {
1027 ddata->vm.hactive * ddata->vm.vactive * 3);
1031 r = dsicm_wake_up(ddata);
1043 dsicm_set_update_window(ddata, x, y, w, h);
1045 r = src->ops->dsi.set_max_rx_packet_size(src, ddata->channel, plen);
1053 r = src->ops->dsi.dcs_read(src, ddata->channel, dcs_cmd,
1064 dev_err(&ddata->pdev->dev, "short read\n");
1069 dev_err(&ddata->pdev->dev, "signal pending, "
1079 src->ops->dsi.set_max_rx_packet_size(src, ddata->channel, 1);
1083 mutex_unlock(&ddata->lock);
1089 struct panel_drv_data *ddata = container_of(work, struct panel_drv_data,
1091 struct omap_dss_device *dssdev = &ddata->dssdev;
1092 struct omap_dss_device *src = ddata->src;
1094 mutex_lock(&ddata->lock);
1096 if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE || !ddata->enabled) {
1097 mutex_unlock(&ddata->lock);
1103 dsicm_enter_ulps(ddata);
1106 mutex_unlock(&ddata->lock);
1112 struct panel_drv_data *ddata = to_panel_data(dssdev);
1114 connector->display_info.width_mm = ddata->width_mm;
1115 connector->display_info.height_mm = ddata->height_mm;
1117 return omapdss_display_get_modes(connector, &ddata->vm);
1123 struct panel_drv_data *ddata = to_panel_data(dssdev);
1126 if (mode->hdisplay != ddata->vm.hactive)
1129 if (mode->vdisplay != ddata->vm.vactive)
1136 ddata->vm.hactive, ddata->vm.vactive);
1167 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
1171 ddata->reset_gpio = devm_gpiod_get(&pdev->dev, "reset", GPIOD_OUT_LOW);
1172 if (IS_ERR(ddata->reset_gpio)) {
1173 err = PTR_ERR(ddata->reset_gpio);
1178 ddata->ext_te_gpio = devm_gpiod_get_optional(&pdev->dev, "te",
1180 if (IS_ERR(ddata->ext_te_gpio)) {
1181 err = PTR_ERR(ddata->ext_te_gpio);
1188 videomode_from_timing(&timing, &ddata->vm);
1189 if (!ddata->vm.pixelclock)
1190 ddata->vm.pixelclock =
1191 ddata->vm.hactive * ddata->vm.vactive * 60;
1197 ddata->width_mm = 0;
1198 of_property_read_u32(node, "width-mm", &ddata->width_mm);
1200 ddata->height_mm = 0;
1201 of_property_read_u32(node, "height-mm", &ddata->height_mm);
1203 ddata->vpnl = devm_regulator_get_optional(&pdev->dev, "vpnl");
1204 if (IS_ERR(ddata->vpnl)) {
1205 err = PTR_ERR(ddata->vpnl);
1208 ddata->vpnl = NULL;
1211 ddata->vddi = devm_regulator_get_optional(&pdev->dev, "vddi");
1212 if (IS_ERR(ddata->vddi)) {
1213 err = PTR_ERR(ddata->vddi);
1216 ddata->vddi = NULL;
1225 ddata->extbldev = backlight;
1227 ddata->use_dsi_backlight = true;
1236 struct panel_drv_data *ddata;
1244 ddata = devm_kzalloc(dev, sizeof(*ddata), GFP_KERNEL);
1245 if (!ddata)
1248 platform_set_drvdata(pdev, ddata);
1249 ddata->pdev = pdev;
1251 ddata->vm.hactive = 864;
1252 ddata->vm.vactive = 480;
1253 ddata->vm.pixelclock = 864 * 480 * 60;
1259 dssdev = &ddata->dssdev;
1275 mutex_init(&ddata->lock);
1277 atomic_set(&ddata->do_update, 0);
1279 if (ddata->ext_te_gpio) {
1280 r = devm_request_irq(dev, gpiod_to_irq(ddata->ext_te_gpio),
1283 "taal vsync", ddata);
1290 INIT_DEFERRABLE_WORK(&ddata->te_timeout_work,
1296 ddata->workqueue = create_singlethread_workqueue("dsicm_wq");
1297 if (!ddata->workqueue) {
1301 INIT_DELAYED_WORK(&ddata->ulps_work, dsicm_ulps_work);
1303 dsicm_hw_reset(ddata);
1305 if (ddata->use_dsi_backlight) {
1311 dev, ddata, &dsicm_bl_ops, &props);
1317 ddata->bldev = bldev;
1329 destroy_workqueue(ddata->workqueue);
1331 if (ddata->extbldev)
1332 put_device(&ddata->extbldev->dev);
1339 struct panel_drv_data *ddata = platform_get_drvdata(pdev);
1340 struct omap_dss_device *dssdev = &ddata->dssdev;
1348 omapdss_device_disconnect(ddata->src, dssdev);
1352 if (ddata->extbldev)
1353 put_device(&ddata->extbldev->dev);
1355 dsicm_cancel_ulps_work(ddata);
1356 destroy_workqueue(ddata->workqueue);
1359 dsicm_hw_reset(ddata);