Lines Matching +full:te +full:- +full:gpios
1 // SPDX-License-Identifier: GPL-2.0-only
104 #define DSIM_MAIN_VRESOL(x, num_bits) (((x) & ((1 << (num_bits)) - 1)) << 16)
105 #define DSIM_MAIN_HRESOL(x, num_bits) (((x) & ((1 << (num_bits)) - 1)) << 0)
324 writel(val, dsi->reg_base + dsi->driver_data->reg_ofs[idx]); in exynos_dsi_write()
329 return readl(dsi->reg_base + dsi->driver_data->reg_ofs[idx]); in exynos_dsi_read()
509 { .compatible = "samsung,exynos3250-mipi-dsi",
511 { .compatible = "samsung,exynos4210-mipi-dsi",
513 { .compatible = "samsung,exynos5410-mipi-dsi",
515 { .compatible = "samsung,exynos5422-mipi-dsi",
517 { .compatible = "samsung,exynos5433-mipi-dsi",
524 if (wait_for_completion_timeout(&dsi->completed, msecs_to_jiffies(300))) in exynos_dsi_wait_for_reset()
527 dev_err(dsi->dev, "timeout waiting for reset\n"); in exynos_dsi_wait_for_reset()
532 u32 reset_val = dsi->driver_data->reg_values[RESET_TYPE]; in exynos_dsi_reset()
534 reinit_completion(&dsi->completed); in exynos_dsi_reset()
545 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_pll_find_pms()
570 tmp > driver_data->max_freq * MHZ) in exynos_dsi_pll_find_pms()
576 delta = abs(fout - tmp); in exynos_dsi_pll_find_pms()
599 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_set_pll()
606 fin = dsi->pll_clk_rate; in exynos_dsi_set_pll()
609 dev_err(dsi->dev, in exynos_dsi_set_pll()
613 dev_dbg(dsi->dev, "PLL freq %lu, (p %d, m %d, s %d)\n", fout, p, m, s); in exynos_dsi_set_pll()
615 writel(driver_data->reg_values[PLL_TIMER], in exynos_dsi_set_pll()
616 dsi->reg_base + driver_data->plltmr_reg); in exynos_dsi_set_pll()
620 if (driver_data->has_freqband) { in exynos_dsi_set_pll()
633 dev_dbg(dsi->dev, "band %d\n", band); in exynos_dsi_set_pll()
642 if (timeout-- == 0) { in exynos_dsi_set_pll()
643 dev_err(dsi->dev, "PLL failed to stabilize\n"); in exynos_dsi_set_pll()
658 hs_clk = exynos_dsi_set_pll(dsi, dsi->burst_clk_rate); in exynos_dsi_enable_clock()
660 dev_err(dsi->dev, "failed to configure DSI PLL\n"); in exynos_dsi_enable_clock()
661 return -EFAULT; in exynos_dsi_enable_clock()
665 esc_div = DIV_ROUND_UP(byte_clk, dsi->esc_clk_rate); in exynos_dsi_enable_clock()
673 dev_dbg(dsi->dev, "hs_clk = %lu, byte_clk = %lu, esc_clk = %lu\n", in exynos_dsi_enable_clock()
683 | DSIM_LANE_ESC_CLK_EN_DATA(BIT(dsi->lanes) - 1) in exynos_dsi_enable_clock()
693 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_set_phy_ctrl()
694 const unsigned int *reg_values = driver_data->reg_values; in exynos_dsi_set_phy_ctrl()
697 if (driver_data->has_freqband) in exynos_dsi_set_phy_ctrl()
700 /* B D-PHY: D-PHY Master & Slave Analog Block control */ in exynos_dsi_set_phy_ctrl()
706 * T LPX: Transmitted length of any Low-Power state period in exynos_dsi_set_phy_ctrl()
707 * T HS-EXIT: Time that the transmitter drives LP-11 following a HS in exynos_dsi_set_phy_ctrl()
714 * T CLK-PREPARE: Time that the transmitter drives the Clock Lane LP-00 in exynos_dsi_set_phy_ctrl()
715 * Line state immediately before the HS-0 Line state starting the in exynos_dsi_set_phy_ctrl()
717 * T CLK-ZERO: Time that the transmitter drives the HS-0 state prior to in exynos_dsi_set_phy_ctrl()
721 * Interval is defined as the period from the end of T HS-TRAIL to in exynos_dsi_set_phy_ctrl()
722 * the beginning of T CLK-TRAIL in exynos_dsi_set_phy_ctrl()
723 * T CLK-TRAIL: Time that the transmitter drives the HS-0 state after in exynos_dsi_set_phy_ctrl()
734 * T HS-PREPARE: Time that the transmitter drives the Data Lane LP-00 in exynos_dsi_set_phy_ctrl()
735 * Line state immediately before the HS-0 Line state starting the in exynos_dsi_set_phy_ctrl()
737 * T HS-ZERO: Time that the transmitter drives the HS-0 state prior to in exynos_dsi_set_phy_ctrl()
739 * T HS-TRAIL: Time that the transmitter drives the flipped differential in exynos_dsi_set_phy_ctrl()
764 reg |= (DSIM_NUM_OF_DATA_LANE(dsi->lanes - 1) | DSIM_LANE_EN_CLK | in exynos_dsi_enable_lane()
771 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_init_link()
795 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) { in exynos_dsi_init_link()
802 if (!(dsi->mode_flags & MIPI_DSI_MODE_VSYNC_FLUSH)) in exynos_dsi_init_link()
804 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) in exynos_dsi_init_link()
806 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) in exynos_dsi_init_link()
808 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_AUTO_VERT) in exynos_dsi_init_link()
810 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_HSE) in exynos_dsi_init_link()
812 if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HFP)) in exynos_dsi_init_link()
814 if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HBP)) in exynos_dsi_init_link()
816 if (!(dsi->mode_flags & MIPI_DSI_MODE_VIDEO_NO_HSA)) in exynos_dsi_init_link()
820 if (!(dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET)) in exynos_dsi_init_link()
823 switch (dsi->format) { in exynos_dsi_init_link()
837 dev_err(dsi->dev, "invalid pixel format\n"); in exynos_dsi_init_link()
838 return -EINVAL; in exynos_dsi_init_link()
842 * Use non-continuous clock mode if the periparal wants and in exynos_dsi_init_link()
845 * In non-continous clock mode, host controller will turn off in exynos_dsi_init_link()
846 * the HS clock between high-speed transmissions to reduce in exynos_dsi_init_link()
849 if (driver_data->has_clklane_stop && in exynos_dsi_init_link()
850 dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) { in exynos_dsi_init_link()
855 lanes_mask = BIT(dsi->lanes) - 1; in exynos_dsi_init_link()
861 if (timeout-- == 0) { in exynos_dsi_init_link()
862 dev_err(dsi->dev, "waiting for bus lanes timed out\n"); in exynos_dsi_init_link()
863 return -EFAULT; in exynos_dsi_init_link()
874 reg |= DSIM_STOP_STATE_CNT(driver_data->reg_values[STOP_STATE_CNT]); in exynos_dsi_init_link()
885 struct drm_display_mode *m = &dsi->encoder.crtc->state->adjusted_mode; in exynos_dsi_set_display_mode()
886 unsigned int num_bits_resol = dsi->driver_data->num_bits_resol; in exynos_dsi_set_display_mode()
889 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) { in exynos_dsi_set_display_mode()
891 | DSIM_STABLE_VFP(m->vsync_start - m->vdisplay) in exynos_dsi_set_display_mode()
892 | DSIM_MAIN_VBP(m->vtotal - m->vsync_end); in exynos_dsi_set_display_mode()
895 reg = DSIM_MAIN_HFP(m->hsync_start - m->hdisplay) in exynos_dsi_set_display_mode()
896 | DSIM_MAIN_HBP(m->htotal - m->hsync_end); in exynos_dsi_set_display_mode()
899 reg = DSIM_MAIN_VSA(m->vsync_end - m->vsync_start) in exynos_dsi_set_display_mode()
900 | DSIM_MAIN_HSA(m->hsync_end - m->hsync_start); in exynos_dsi_set_display_mode()
903 reg = DSIM_MAIN_HRESOL(m->hdisplay, num_bits_resol) | in exynos_dsi_set_display_mode()
904 DSIM_MAIN_VRESOL(m->vdisplay, num_bits_resol); in exynos_dsi_set_display_mode()
908 dev_dbg(dsi->dev, "LCD size = %dx%d\n", m->hdisplay, m->vdisplay); in exynos_dsi_set_display_mode()
935 } while (--timeout); in exynos_dsi_wait_for_hdr_fifo()
937 return -ETIMEDOUT; in exynos_dsi_wait_for_hdr_fifo()
962 struct device *dev = dsi->dev; in exynos_dsi_send_to_fifo()
963 struct mipi_dsi_packet *pkt = &xfer->packet; in exynos_dsi_send_to_fifo()
964 const u8 *payload = pkt->payload + xfer->tx_done; in exynos_dsi_send_to_fifo()
965 u16 length = pkt->payload_length - xfer->tx_done; in exynos_dsi_send_to_fifo()
966 bool first = !xfer->tx_done; in exynos_dsi_send_to_fifo()
970 xfer, length, xfer->tx_done, xfer->rx_len, xfer->rx_done); in exynos_dsi_send_to_fifo()
975 xfer->tx_done += length; in exynos_dsi_send_to_fifo()
982 length -= 4; in exynos_dsi_send_to_fifo()
1003 reg = get_unaligned_le32(pkt->header); in exynos_dsi_send_to_fifo()
1009 if (NEQV(xfer->flags & MIPI_DSI_MSG_USE_LPM, in exynos_dsi_send_to_fifo()
1010 dsi->state & DSIM_STATE_CMD_LPM)) { in exynos_dsi_send_to_fifo()
1011 exynos_dsi_set_cmd_lpm(dsi, xfer->flags & MIPI_DSI_MSG_USE_LPM); in exynos_dsi_send_to_fifo()
1012 dsi->state ^= DSIM_STATE_CMD_LPM; in exynos_dsi_send_to_fifo()
1017 if (xfer->flags & MIPI_DSI_MSG_REQ_ACK) in exynos_dsi_send_to_fifo()
1024 u8 *payload = xfer->rx_payload + xfer->rx_done; in exynos_dsi_read_from_fifo()
1025 bool first = !xfer->rx_done; in exynos_dsi_read_from_fifo()
1026 struct device *dev = dsi->dev; in exynos_dsi_read_from_fifo()
1036 if (xfer->rx_len >= 2) { in exynos_dsi_read_from_fifo()
1038 ++xfer->rx_done; in exynos_dsi_read_from_fifo()
1044 ++xfer->rx_done; in exynos_dsi_read_from_fifo()
1045 xfer->rx_len = xfer->rx_done; in exynos_dsi_read_from_fifo()
1046 xfer->result = 0; in exynos_dsi_read_from_fifo()
1051 xfer->result = 0; in exynos_dsi_read_from_fifo()
1056 if (length > xfer->rx_len) { in exynos_dsi_read_from_fifo()
1059 xfer->rx_len, length); in exynos_dsi_read_from_fifo()
1060 length = xfer->rx_len; in exynos_dsi_read_from_fifo()
1061 } else if (length < xfer->rx_len) in exynos_dsi_read_from_fifo()
1062 xfer->rx_len = length; in exynos_dsi_read_from_fifo()
1065 length = xfer->rx_len - xfer->rx_done; in exynos_dsi_read_from_fifo()
1066 xfer->rx_done += length; in exynos_dsi_read_from_fifo()
1076 length -= 4; in exynos_dsi_read_from_fifo()
1093 if (xfer->rx_done == xfer->rx_len) in exynos_dsi_read_from_fifo()
1094 xfer->result = 0; in exynos_dsi_read_from_fifo()
1102 } while (--length); in exynos_dsi_read_from_fifo()
1112 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_transfer_start()
1114 if (list_empty(&dsi->transfer_list)) { in exynos_dsi_transfer_start()
1115 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_start()
1119 xfer = list_first_entry(&dsi->transfer_list, in exynos_dsi_transfer_start()
1122 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_start()
1124 if (xfer->packet.payload_length && in exynos_dsi_transfer_start()
1125 xfer->tx_done == xfer->packet.payload_length) in exynos_dsi_transfer_start()
1131 if (xfer->packet.payload_length || xfer->rx_len) in exynos_dsi_transfer_start()
1134 xfer->result = 0; in exynos_dsi_transfer_start()
1135 complete(&xfer->completed); in exynos_dsi_transfer_start()
1137 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_transfer_start()
1139 list_del_init(&xfer->list); in exynos_dsi_transfer_start()
1140 start = !list_empty(&dsi->transfer_list); in exynos_dsi_transfer_start()
1142 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_start()
1154 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_transfer_finish()
1156 if (list_empty(&dsi->transfer_list)) { in exynos_dsi_transfer_finish()
1157 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_finish()
1161 xfer = list_first_entry(&dsi->transfer_list, in exynos_dsi_transfer_finish()
1164 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_finish()
1166 dev_dbg(dsi->dev, in exynos_dsi_transfer_finish()
1168 xfer, xfer->packet.payload_length, xfer->tx_done, xfer->rx_len, in exynos_dsi_transfer_finish()
1169 xfer->rx_done); in exynos_dsi_transfer_finish()
1171 if (xfer->tx_done != xfer->packet.payload_length) in exynos_dsi_transfer_finish()
1174 if (xfer->rx_done != xfer->rx_len) in exynos_dsi_transfer_finish()
1177 if (xfer->rx_done != xfer->rx_len) in exynos_dsi_transfer_finish()
1180 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_transfer_finish()
1182 list_del_init(&xfer->list); in exynos_dsi_transfer_finish()
1183 start = !list_empty(&dsi->transfer_list); in exynos_dsi_transfer_finish()
1185 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer_finish()
1187 if (!xfer->rx_len) in exynos_dsi_transfer_finish()
1188 xfer->result = 0; in exynos_dsi_transfer_finish()
1189 complete(&xfer->completed); in exynos_dsi_transfer_finish()
1200 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_remove_transfer()
1202 if (!list_empty(&dsi->transfer_list) && in exynos_dsi_remove_transfer()
1203 xfer == list_first_entry(&dsi->transfer_list, in exynos_dsi_remove_transfer()
1205 list_del_init(&xfer->list); in exynos_dsi_remove_transfer()
1206 start = !list_empty(&dsi->transfer_list); in exynos_dsi_remove_transfer()
1207 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_remove_transfer()
1213 list_del_init(&xfer->list); in exynos_dsi_remove_transfer()
1215 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_remove_transfer()
1224 xfer->tx_done = 0; in exynos_dsi_transfer()
1225 xfer->rx_done = 0; in exynos_dsi_transfer()
1226 xfer->result = -ETIMEDOUT; in exynos_dsi_transfer()
1227 init_completion(&xfer->completed); in exynos_dsi_transfer()
1229 spin_lock_irqsave(&dsi->transfer_lock, flags); in exynos_dsi_transfer()
1231 stopped = list_empty(&dsi->transfer_list); in exynos_dsi_transfer()
1232 list_add_tail(&xfer->list, &dsi->transfer_list); in exynos_dsi_transfer()
1234 spin_unlock_irqrestore(&dsi->transfer_lock, flags); in exynos_dsi_transfer()
1239 wait_for_completion_timeout(&xfer->completed, in exynos_dsi_transfer()
1241 if (xfer->result == -ETIMEDOUT) { in exynos_dsi_transfer()
1242 struct mipi_dsi_packet *pkt = &xfer->packet; in exynos_dsi_transfer()
1244 dev_err(dsi->dev, "xfer timed out: %*ph %*ph\n", 4, pkt->header, in exynos_dsi_transfer()
1245 (int)pkt->payload_length, pkt->payload); in exynos_dsi_transfer()
1246 return -ETIMEDOUT; in exynos_dsi_transfer()
1250 return xfer->result; in exynos_dsi_transfer()
1262 dev_warn(dsi->dev, "spurious interrupt\n"); in exynos_dsi_irq()
1272 complete(&dsi->completed); in exynos_dsi_irq()
1289 struct drm_encoder *encoder = &dsi->encoder; in exynos_dsi_te_irq_handler()
1291 if (dsi->state & DSIM_STATE_VIDOUT_AVAILABLE) in exynos_dsi_te_irq_handler()
1292 exynos_drm_crtc_te_handler(encoder->crtc); in exynos_dsi_te_irq_handler()
1299 enable_irq(dsi->irq); in exynos_dsi_enable_irq()
1301 if (gpio_is_valid(dsi->te_gpio)) in exynos_dsi_enable_irq()
1302 enable_irq(gpio_to_irq(dsi->te_gpio)); in exynos_dsi_enable_irq()
1307 if (gpio_is_valid(dsi->te_gpio)) in exynos_dsi_disable_irq()
1308 disable_irq(gpio_to_irq(dsi->te_gpio)); in exynos_dsi_disable_irq()
1310 disable_irq(dsi->irq); in exynos_dsi_disable_irq()
1315 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_init()
1320 if (driver_data->reg_values[RESET_TYPE] == DSIM_FUNCRST) in exynos_dsi_init()
1321 exynos_dsi_enable_lane(dsi, BIT(dsi->lanes) - 1); in exynos_dsi_init()
1324 if (driver_data->wait_for_reset) in exynos_dsi_init()
1338 dsi->te_gpio = of_get_named_gpio(panel->of_node, "te-gpios", 0); in exynos_dsi_register_te_irq()
1339 if (dsi->te_gpio == -ENOENT) in exynos_dsi_register_te_irq()
1342 if (!gpio_is_valid(dsi->te_gpio)) { in exynos_dsi_register_te_irq()
1343 ret = dsi->te_gpio; in exynos_dsi_register_te_irq()
1344 dev_err(dsi->dev, "cannot get te-gpios, %d\n", ret); in exynos_dsi_register_te_irq()
1348 ret = gpio_request(dsi->te_gpio, "te_gpio"); in exynos_dsi_register_te_irq()
1350 dev_err(dsi->dev, "gpio request failed with %d\n", ret); in exynos_dsi_register_te_irq()
1354 te_gpio_irq = gpio_to_irq(dsi->te_gpio); in exynos_dsi_register_te_irq()
1357 IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN, "TE", dsi); in exynos_dsi_register_te_irq()
1359 dev_err(dsi->dev, "request interrupt failed with %d\n", ret); in exynos_dsi_register_te_irq()
1360 gpio_free(dsi->te_gpio); in exynos_dsi_register_te_irq()
1370 if (gpio_is_valid(dsi->te_gpio)) { in exynos_dsi_unregister_te_irq()
1371 free_irq(gpio_to_irq(dsi->te_gpio), dsi); in exynos_dsi_unregister_te_irq()
1372 gpio_free(dsi->te_gpio); in exynos_dsi_unregister_te_irq()
1373 dsi->te_gpio = -ENOENT; in exynos_dsi_unregister_te_irq()
1383 if (dsi->state & DSIM_STATE_ENABLED) in exynos_dsi_enable()
1386 ret = pm_runtime_resume_and_get(dsi->dev); in exynos_dsi_enable()
1388 dev_err(dsi->dev, "failed to enable DSI device.\n"); in exynos_dsi_enable()
1392 dsi->state |= DSIM_STATE_ENABLED; in exynos_dsi_enable()
1394 if (dsi->panel) { in exynos_dsi_enable()
1395 ret = drm_panel_prepare(dsi->panel); in exynos_dsi_enable()
1399 list_for_each_entry_reverse(iter, &dsi->bridge_chain, in exynos_dsi_enable()
1401 if (iter->funcs->pre_enable) in exynos_dsi_enable()
1402 iter->funcs->pre_enable(iter); in exynos_dsi_enable()
1409 if (dsi->panel) { in exynos_dsi_enable()
1410 ret = drm_panel_enable(dsi->panel); in exynos_dsi_enable()
1414 list_for_each_entry(iter, &dsi->bridge_chain, chain_node) { in exynos_dsi_enable()
1415 if (iter->funcs->enable) in exynos_dsi_enable()
1416 iter->funcs->enable(iter); in exynos_dsi_enable()
1420 dsi->state |= DSIM_STATE_VIDOUT_AVAILABLE; in exynos_dsi_enable()
1425 drm_panel_unprepare(dsi->panel); in exynos_dsi_enable()
1428 dsi->state &= ~DSIM_STATE_ENABLED; in exynos_dsi_enable()
1429 pm_runtime_put(dsi->dev); in exynos_dsi_enable()
1437 if (!(dsi->state & DSIM_STATE_ENABLED)) in exynos_dsi_disable()
1440 dsi->state &= ~DSIM_STATE_VIDOUT_AVAILABLE; in exynos_dsi_disable()
1442 drm_panel_disable(dsi->panel); in exynos_dsi_disable()
1444 list_for_each_entry_reverse(iter, &dsi->bridge_chain, chain_node) { in exynos_dsi_disable()
1445 if (iter->funcs->disable) in exynos_dsi_disable()
1446 iter->funcs->disable(iter); in exynos_dsi_disable()
1450 drm_panel_unprepare(dsi->panel); in exynos_dsi_disable()
1452 list_for_each_entry(iter, &dsi->bridge_chain, chain_node) { in exynos_dsi_disable()
1453 if (iter->funcs->post_disable) in exynos_dsi_disable()
1454 iter->funcs->post_disable(iter); in exynos_dsi_disable()
1457 dsi->state &= ~DSIM_STATE_ENABLED; in exynos_dsi_disable()
1458 pm_runtime_put_sync(dsi->dev); in exynos_dsi_disable()
1464 return connector->status; in exynos_dsi_detect()
1471 connector->dev = NULL; in exynos_dsi_connector_destroy()
1487 if (dsi->panel) in exynos_dsi_get_modes()
1488 return drm_panel_get_modes(dsi->panel, connector); in exynos_dsi_get_modes()
1500 struct drm_connector *connector = &dsi->connector; in exynos_dsi_create_connector()
1501 struct drm_device *drm = encoder->dev; in exynos_dsi_create_connector()
1504 connector->polled = DRM_CONNECTOR_POLL_HPD; in exynos_dsi_create_connector()
1509 DRM_DEV_ERROR(dsi->dev, in exynos_dsi_create_connector()
1514 connector->status = connector_status_disconnected; in exynos_dsi_create_connector()
1517 if (!drm->registered) in exynos_dsi_create_connector()
1520 connector->funcs->reset(connector); in exynos_dsi_create_connector()
1536 struct drm_encoder *encoder = &dsi->encoder; in exynos_dsi_host_attach()
1537 struct drm_device *drm = encoder->dev; in exynos_dsi_host_attach()
1540 out_bridge = of_drm_find_bridge(device->dev.of_node); in exynos_dsi_host_attach()
1543 dsi->out_bridge = out_bridge; in exynos_dsi_host_attach()
1544 list_splice_init(&encoder->bridge_chain, &dsi->bridge_chain); in exynos_dsi_host_attach()
1549 DRM_DEV_ERROR(dsi->dev, in exynos_dsi_host_attach()
1556 dsi->panel = of_drm_find_panel(device->dev.of_node); in exynos_dsi_host_attach()
1557 if (IS_ERR(dsi->panel)) in exynos_dsi_host_attach()
1558 dsi->panel = NULL; in exynos_dsi_host_attach()
1560 dsi->connector.status = connector_status_connected; in exynos_dsi_host_attach()
1567 * TE interrupt handler. in exynos_dsi_host_attach()
1569 if (!(device->mode_flags & MIPI_DSI_MODE_VIDEO)) { in exynos_dsi_host_attach()
1570 int ret = exynos_dsi_register_te_irq(dsi, &device->dev); in exynos_dsi_host_attach()
1575 mutex_lock(&drm->mode_config.mutex); in exynos_dsi_host_attach()
1577 dsi->lanes = device->lanes; in exynos_dsi_host_attach()
1578 dsi->format = device->format; in exynos_dsi_host_attach()
1579 dsi->mode_flags = device->mode_flags; in exynos_dsi_host_attach()
1580 exynos_drm_crtc_get_by_type(drm, EXYNOS_DISPLAY_TYPE_LCD)->i80_mode = in exynos_dsi_host_attach()
1581 !(dsi->mode_flags & MIPI_DSI_MODE_VIDEO); in exynos_dsi_host_attach()
1583 mutex_unlock(&drm->mode_config.mutex); in exynos_dsi_host_attach()
1585 if (drm->mode_config.poll_enabled) in exynos_dsi_host_attach()
1595 struct drm_device *drm = dsi->encoder.dev; in exynos_dsi_host_detach()
1597 if (dsi->panel) { in exynos_dsi_host_detach()
1598 mutex_lock(&drm->mode_config.mutex); in exynos_dsi_host_detach()
1599 exynos_dsi_disable(&dsi->encoder); in exynos_dsi_host_detach()
1600 dsi->panel = NULL; in exynos_dsi_host_detach()
1601 dsi->connector.status = connector_status_disconnected; in exynos_dsi_host_detach()
1602 mutex_unlock(&drm->mode_config.mutex); in exynos_dsi_host_detach()
1604 if (dsi->out_bridge->funcs->detach) in exynos_dsi_host_detach()
1605 dsi->out_bridge->funcs->detach(dsi->out_bridge); in exynos_dsi_host_detach()
1606 dsi->out_bridge = NULL; in exynos_dsi_host_detach()
1607 INIT_LIST_HEAD(&dsi->bridge_chain); in exynos_dsi_host_detach()
1610 if (drm->mode_config.poll_enabled) in exynos_dsi_host_detach()
1625 if (!(dsi->state & DSIM_STATE_ENABLED)) in exynos_dsi_host_transfer()
1626 return -EINVAL; in exynos_dsi_host_transfer()
1628 if (!(dsi->state & DSIM_STATE_INITIALIZED)) { in exynos_dsi_host_transfer()
1632 dsi->state |= DSIM_STATE_INITIALIZED; in exynos_dsi_host_transfer()
1639 xfer.rx_len = msg->rx_len; in exynos_dsi_host_transfer()
1640 xfer.rx_payload = msg->rx_buf; in exynos_dsi_host_transfer()
1641 xfer.flags = msg->flags; in exynos_dsi_host_transfer()
1671 struct device *dev = dsi->dev; in exynos_dsi_parse_dt()
1672 struct device_node *node = dev->of_node; in exynos_dsi_parse_dt()
1675 ret = exynos_dsi_of_read_u32(node, "samsung,pll-clock-frequency", in exynos_dsi_parse_dt()
1676 &dsi->pll_clk_rate); in exynos_dsi_parse_dt()
1680 ret = exynos_dsi_of_read_u32(node, "samsung,burst-clock-frequency", in exynos_dsi_parse_dt()
1681 &dsi->burst_clk_rate); in exynos_dsi_parse_dt()
1685 ret = exynos_dsi_of_read_u32(node, "samsung,esc-clock-frequency", in exynos_dsi_parse_dt()
1686 &dsi->esc_clk_rate); in exynos_dsi_parse_dt()
1697 struct drm_encoder *encoder = &dsi->encoder; in exynos_dsi_bind()
1711 in_bridge_node = of_graph_get_remote_node(dev->of_node, DSI_PORT_IN, 0); in exynos_dsi_bind()
1719 return mipi_dsi_host_register(&dsi->dsi_host); in exynos_dsi_bind()
1726 struct drm_encoder *encoder = &dsi->encoder; in exynos_dsi_unbind()
1730 mipi_dsi_host_unregister(&dsi->dsi_host); in exynos_dsi_unbind()
1740 struct device *dev = &pdev->dev; in exynos_dsi_probe()
1746 return -ENOMEM; in exynos_dsi_probe()
1749 dsi->te_gpio = -ENOENT; in exynos_dsi_probe()
1751 init_completion(&dsi->completed); in exynos_dsi_probe()
1752 spin_lock_init(&dsi->transfer_lock); in exynos_dsi_probe()
1753 INIT_LIST_HEAD(&dsi->transfer_list); in exynos_dsi_probe()
1754 INIT_LIST_HEAD(&dsi->bridge_chain); in exynos_dsi_probe()
1756 dsi->dsi_host.ops = &exynos_dsi_ops; in exynos_dsi_probe()
1757 dsi->dsi_host.dev = dev; in exynos_dsi_probe()
1759 dsi->dev = dev; in exynos_dsi_probe()
1760 dsi->driver_data = of_device_get_match_data(dev); in exynos_dsi_probe()
1762 dsi->supplies[0].supply = "vddcore"; in exynos_dsi_probe()
1763 dsi->supplies[1].supply = "vddio"; in exynos_dsi_probe()
1764 ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(dsi->supplies), in exynos_dsi_probe()
1765 dsi->supplies); in exynos_dsi_probe()
1769 dsi->clks = devm_kcalloc(dev, in exynos_dsi_probe()
1770 dsi->driver_data->num_clks, sizeof(*dsi->clks), in exynos_dsi_probe()
1772 if (!dsi->clks) in exynos_dsi_probe()
1773 return -ENOMEM; in exynos_dsi_probe()
1775 for (i = 0; i < dsi->driver_data->num_clks; i++) { in exynos_dsi_probe()
1776 dsi->clks[i] = devm_clk_get(dev, clk_names[i]); in exynos_dsi_probe()
1777 if (IS_ERR(dsi->clks[i])) { in exynos_dsi_probe()
1779 dsi->clks[i] = devm_clk_get(dev, in exynos_dsi_probe()
1781 if (!IS_ERR(dsi->clks[i])) in exynos_dsi_probe()
1787 return PTR_ERR(dsi->clks[i]); in exynos_dsi_probe()
1791 dsi->reg_base = devm_platform_ioremap_resource(pdev, 0); in exynos_dsi_probe()
1792 if (IS_ERR(dsi->reg_base)) in exynos_dsi_probe()
1793 return PTR_ERR(dsi->reg_base); in exynos_dsi_probe()
1795 dsi->phy = devm_phy_get(dev, "dsim"); in exynos_dsi_probe()
1796 if (IS_ERR(dsi->phy)) { in exynos_dsi_probe()
1798 return PTR_ERR(dsi->phy); in exynos_dsi_probe()
1801 dsi->irq = platform_get_irq(pdev, 0); in exynos_dsi_probe()
1802 if (dsi->irq < 0) in exynos_dsi_probe()
1803 return dsi->irq; in exynos_dsi_probe()
1805 ret = devm_request_threaded_irq(dev, dsi->irq, NULL, in exynos_dsi_probe()
1836 pm_runtime_disable(&pdev->dev); in exynos_dsi_remove()
1838 component_del(&pdev->dev, &exynos_dsi_component_ops); in exynos_dsi_remove()
1846 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_suspend()
1851 if (dsi->state & DSIM_STATE_INITIALIZED) { in exynos_dsi_suspend()
1852 dsi->state &= ~DSIM_STATE_INITIALIZED; in exynos_dsi_suspend()
1859 dsi->state &= ~DSIM_STATE_CMD_LPM; in exynos_dsi_suspend()
1861 phy_power_off(dsi->phy); in exynos_dsi_suspend()
1863 for (i = driver_data->num_clks - 1; i > -1; i--) in exynos_dsi_suspend()
1864 clk_disable_unprepare(dsi->clks[i]); in exynos_dsi_suspend()
1866 ret = regulator_bulk_disable(ARRAY_SIZE(dsi->supplies), dsi->supplies); in exynos_dsi_suspend()
1868 dev_err(dsi->dev, "cannot disable regulators %d\n", ret); in exynos_dsi_suspend()
1876 const struct exynos_dsi_driver_data *driver_data = dsi->driver_data; in exynos_dsi_resume()
1879 ret = regulator_bulk_enable(ARRAY_SIZE(dsi->supplies), dsi->supplies); in exynos_dsi_resume()
1881 dev_err(dsi->dev, "cannot enable regulators %d\n", ret); in exynos_dsi_resume()
1885 for (i = 0; i < driver_data->num_clks; i++) { in exynos_dsi_resume()
1886 ret = clk_prepare_enable(dsi->clks[i]); in exynos_dsi_resume()
1891 ret = phy_power_on(dsi->phy); in exynos_dsi_resume()
1893 dev_err(dsi->dev, "cannot enable phy %d\n", ret); in exynos_dsi_resume()
1900 while (--i > -1) in exynos_dsi_resume()
1901 clk_disable_unprepare(dsi->clks[i]); in exynos_dsi_resume()
1902 regulator_bulk_disable(ARRAY_SIZE(dsi->supplies), dsi->supplies); in exynos_dsi_resume()
1917 .name = "exynos-dsi",