225 static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data)  in mtk_dsi_mask()  argument
227 	u32 temp = readl(dsi->regs + offset);  in mtk_dsi_mask()
229 	writel((temp & ~mask) | (data & mask), dsi->regs + offset);  in mtk_dsi_mask()
232 static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi)  in mtk_dsi_phy_timconfig()  argument
235 	u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, 1000000);  in mtk_dsi_phy_timconfig()
236 	struct mtk_phy_timing *timing = &dsi->phy_timing;  in mtk_dsi_phy_timconfig()
264 	writel(timcon0, dsi->regs + DSI_PHY_TIMECON0);  in mtk_dsi_phy_timconfig()
265 	writel(timcon1, dsi->regs + DSI_PHY_TIMECON1);  in mtk_dsi_phy_timconfig()
266 	writel(timcon2, dsi->regs + DSI_PHY_TIMECON2);  in mtk_dsi_phy_timconfig()
267 	writel(timcon3, dsi->regs + DSI_PHY_TIMECON3);  in mtk_dsi_phy_timconfig()
270 static void mtk_dsi_enable(struct mtk_dsi *dsi)  in mtk_dsi_enable()  argument
272 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, DSI_EN);  in mtk_dsi_enable()
275 static void mtk_dsi_disable(struct mtk_dsi *dsi)  in mtk_dsi_disable()  argument
277 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, 0);  in mtk_dsi_disable()
280 static void mtk_dsi_reset_engine(struct mtk_dsi *dsi)  in mtk_dsi_reset_engine()  argument
282 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, DSI_RESET);  in mtk_dsi_reset_engine()
283 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, 0);  in mtk_dsi_reset_engine()
286 static void mtk_dsi_reset_dphy(struct mtk_dsi *dsi)  in mtk_dsi_reset_dphy()  argument
288 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, DPHY_RESET);  in mtk_dsi_reset_dphy()
289 	mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, 0);  in mtk_dsi_reset_dphy()
292 static void mtk_dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi)  in mtk_dsi_clk_ulp_mode_enter()  argument
294 	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);  in mtk_dsi_clk_ulp_mode_enter()
295 	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);  in mtk_dsi_clk_ulp_mode_enter()
298 static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi)  in mtk_dsi_clk_ulp_mode_leave()  argument
300 	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0);  in mtk_dsi_clk_ulp_mode_leave()
301 	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, LC_WAKEUP_EN);  in mtk_dsi_clk_ulp_mode_leave()
302 	mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, 0);  in mtk_dsi_clk_ulp_mode_leave()
305 static void mtk_dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi)  in mtk_dsi_lane0_ulp_mode_enter()  argument
307 	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_HS_TX_EN, 0);  in mtk_dsi_lane0_ulp_mode_enter()
308 	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);  in mtk_dsi_lane0_ulp_mode_enter()
311 static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi)  in mtk_dsi_lane0_ulp_mode_leave()  argument
313 	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0);  in mtk_dsi_lane0_ulp_mode_leave()
314 	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, LD0_WAKEUP_EN);  in mtk_dsi_lane0_ulp_mode_leave()
315 	mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, 0);  in mtk_dsi_lane0_ulp_mode_leave()
318 static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi)  in mtk_dsi_clk_hs_state()  argument
320 	return readl(dsi->regs + DSI_PHY_LCCON) & LC_HS_TX_EN;  in mtk_dsi_clk_hs_state()
323 static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter)  in mtk_dsi_clk_hs_mode()  argument
325 	if (enter && !mtk_dsi_clk_hs_state(dsi))  in mtk_dsi_clk_hs_mode()
326 		mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, LC_HS_TX_EN);  in mtk_dsi_clk_hs_mode()
327 	else if (!enter && mtk_dsi_clk_hs_state(dsi))  in mtk_dsi_clk_hs_mode()
328 		mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0);  in mtk_dsi_clk_hs_mode()
331 static void mtk_dsi_set_mode(struct mtk_dsi *dsi)  in mtk_dsi_set_mode()  argument
335 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) {  in mtk_dsi_set_mode()
336 		if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST)  in mtk_dsi_set_mode()
338 		else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)  in mtk_dsi_set_mode()
344 	writel(vid_mode, dsi->regs + DSI_MODE_CTRL);  in mtk_dsi_set_mode()
347 static void mtk_dsi_set_vm_cmd(struct mtk_dsi *dsi)  in mtk_dsi_set_vm_cmd()  argument
349 	mtk_dsi_mask(dsi, DSI_VM_CMD_CON, VM_CMD_EN, VM_CMD_EN);  in mtk_dsi_set_vm_cmd()
350 	mtk_dsi_mask(dsi, DSI_VM_CMD_CON, TS_VFP_EN, TS_VFP_EN);  in mtk_dsi_set_vm_cmd()
353 static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi)  in mtk_dsi_ps_control_vact()  argument
355 	struct videomode *vm = &dsi->vm;  in mtk_dsi_ps_control_vact()
359 	if (dsi->format == MIPI_DSI_FMT_RGB565)  in mtk_dsi_ps_control_vact()
367 	switch (dsi->format) {  in mtk_dsi_ps_control_vact()
382 	writel(vm->vactive, dsi->regs + DSI_VACT_NL);  in mtk_dsi_ps_control_vact()
383 	writel(ps_bpp_mode, dsi->regs + DSI_PSCTRL);  in mtk_dsi_ps_control_vact()
384 	writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC);  in mtk_dsi_ps_control_vact()
387 static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi)  in mtk_dsi_rxtx_control()  argument
391 	switch (dsi->lanes) {  in mtk_dsi_rxtx_control()
409 	if (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS)  in mtk_dsi_rxtx_control()
412 	if (dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET)  in mtk_dsi_rxtx_control()
415 	writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL);  in mtk_dsi_rxtx_control()
418 static void mtk_dsi_ps_control(struct mtk_dsi *dsi)  in mtk_dsi_ps_control()  argument
423 	switch (dsi->format) {  in mtk_dsi_ps_control()
446 	tmp_reg += dsi->vm.hactive * dsi_tmp_buf_bpp & DSI_PS_WC;  in mtk_dsi_ps_control()
447 	writel(tmp_reg, dsi->regs + DSI_PSCTRL);  in mtk_dsi_ps_control()
450 static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi)  in mtk_dsi_config_vdo_timing()  argument
459 	struct mtk_phy_timing *timing = &dsi->phy_timing;  in mtk_dsi_config_vdo_timing()
461 	struct videomode *vm = &dsi->vm;  in mtk_dsi_config_vdo_timing()
463 	if (dsi->format == MIPI_DSI_FMT_RGB565)  in mtk_dsi_config_vdo_timing()
468 	writel(vm->vsync_len, dsi->regs + DSI_VSA_NL);  in mtk_dsi_config_vdo_timing()
469 	writel(vm->vback_porch, dsi->regs + DSI_VBP_NL);  in mtk_dsi_config_vdo_timing()
470 	writel(vm->vfront_porch, dsi->regs + DSI_VFP_NL);  in mtk_dsi_config_vdo_timing()
471 	writel(vm->vactive, dsi->regs + DSI_VACT_NL);  in mtk_dsi_config_vdo_timing()
473 	if (dsi->driver_data->has_size_ctl)  in mtk_dsi_config_vdo_timing()
475 		       dsi->regs + DSI_SIZE_CON);  in mtk_dsi_config_vdo_timing()
479 	if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE)  in mtk_dsi_config_vdo_timing()
488 	delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12;  in mtk_dsi_config_vdo_timing()
489 	delta += dsi->mode_flags & MIPI_DSI_MODE_NO_EOT_PACKET ? 0 : 2;  in mtk_dsi_config_vdo_timing()
493 	data_phy_cycles_byte = data_phy_cycles * dsi->lanes + delta;  in mtk_dsi_config_vdo_timing()
507 	if ((dsi->mode_flags & MIPI_DSI_HS_PKT_END_ALIGNED) &&  in mtk_dsi_config_vdo_timing()
508 	    (dsi->lanes == 4)) {  in mtk_dsi_config_vdo_timing()
510 			roundup(horizontal_sync_active_byte, dsi->lanes) - 2;  in mtk_dsi_config_vdo_timing()
512 			roundup(horizontal_frontporch_byte, dsi->lanes) - 2;  in mtk_dsi_config_vdo_timing()
514 			roundup(horizontal_backporch_byte, dsi->lanes) - 2;  in mtk_dsi_config_vdo_timing()
516 			(vm->hactive * dsi_tmp_buf_bpp + 2) % dsi->lanes;  in mtk_dsi_config_vdo_timing()
519 	writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC);  in mtk_dsi_config_vdo_timing()
520 	writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC);  in mtk_dsi_config_vdo_timing()
521 	writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC);  in mtk_dsi_config_vdo_timing()
523 	mtk_dsi_ps_control(dsi);  in mtk_dsi_config_vdo_timing()
526 static void mtk_dsi_start(struct mtk_dsi *dsi)  in mtk_dsi_start()  argument
528 	writel(0, dsi->regs + DSI_START);  in mtk_dsi_start()
529 	writel(1, dsi->regs + DSI_START);  in mtk_dsi_start()
532 static void mtk_dsi_stop(struct mtk_dsi *dsi)  in mtk_dsi_stop()  argument
534 	writel(0, dsi->regs + DSI_START);  in mtk_dsi_stop()
537 static void mtk_dsi_set_cmd_mode(struct mtk_dsi *dsi)  in mtk_dsi_set_cmd_mode()  argument
539 	writel(CMD_MODE, dsi->regs + DSI_MODE_CTRL);  in mtk_dsi_set_cmd_mode()
542 static void mtk_dsi_set_interrupt_enable(struct mtk_dsi *dsi)  in mtk_dsi_set_interrupt_enable()  argument
546 	writel(inten, dsi->regs + DSI_INTEN);  in mtk_dsi_set_interrupt_enable()
549 static void mtk_dsi_irq_data_set(struct mtk_dsi *dsi, u32 irq_bit)  in mtk_dsi_irq_data_set()  argument
551 	dsi->irq_data |= irq_bit;  in mtk_dsi_irq_data_set()
554 static void mtk_dsi_irq_data_clear(struct mtk_dsi *dsi, u32 irq_bit)  in mtk_dsi_irq_data_clear()  argument
556 	dsi->irq_data &= ~irq_bit;  in mtk_dsi_irq_data_clear()
559 static s32 mtk_dsi_wait_for_irq_done(struct mtk_dsi *dsi, u32 irq_flag,  in mtk_dsi_wait_for_irq_done()  argument
565 	ret = wait_event_interruptible_timeout(dsi->irq_wait_queue,  in mtk_dsi_wait_for_irq_done()
566 					       dsi->irq_data & irq_flag,  in mtk_dsi_wait_for_irq_done()
569 		DRM_WARN("Wait DSI IRQ(0x%08x) Timeout\n", irq_flag);  in mtk_dsi_wait_for_irq_done()
571 		mtk_dsi_enable(dsi);  in mtk_dsi_wait_for_irq_done()
572 		mtk_dsi_reset_engine(dsi);  in mtk_dsi_wait_for_irq_done()
580 	struct mtk_dsi *dsi = dev_id;  in mtk_dsi_irq()  local
584 	status = readl(dsi->regs + DSI_INTSTA) & flag;  in mtk_dsi_irq()
588 			mtk_dsi_mask(dsi, DSI_RACK, RACK, RACK);  in mtk_dsi_irq()
589 			tmp = readl(dsi->regs + DSI_INTSTA);  in mtk_dsi_irq()
592 		mtk_dsi_mask(dsi, DSI_INTSTA, status, 0);  in mtk_dsi_irq()
593 		mtk_dsi_irq_data_set(dsi, status);  in mtk_dsi_irq()
594 		wake_up_interruptible(&dsi->irq_wait_queue);  in mtk_dsi_irq()
600 static s32 mtk_dsi_switch_to_cmd_mode(struct mtk_dsi *dsi, u8 irq_flag, u32 t)  in mtk_dsi_switch_to_cmd_mode()  argument
602 	mtk_dsi_irq_data_clear(dsi, irq_flag);  in mtk_dsi_switch_to_cmd_mode()
603 	mtk_dsi_set_cmd_mode(dsi);  in mtk_dsi_switch_to_cmd_mode()
605 	if (!mtk_dsi_wait_for_irq_done(dsi, irq_flag, t)) {  in mtk_dsi_switch_to_cmd_mode()
613 static int mtk_dsi_poweron(struct mtk_dsi *dsi)  in mtk_dsi_poweron()  argument
615 	struct device *dev = dsi->host.dev;  in mtk_dsi_poweron()
619 	if (++dsi->refcount != 1)  in mtk_dsi_poweron()
622 	switch (dsi->format) {  in mtk_dsi_poweron()
636 	dsi->data_rate = DIV_ROUND_UP_ULL(dsi->vm.pixelclock * bit_per_pixel,  in mtk_dsi_poweron()
637 					  dsi->lanes);  in mtk_dsi_poweron()
639 	ret = clk_set_rate(dsi->hs_clk, dsi->data_rate);  in mtk_dsi_poweron()
645 	phy_power_on(dsi->phy);  in mtk_dsi_poweron()
647 	ret = clk_prepare_enable(dsi->engine_clk);  in mtk_dsi_poweron()
653 	ret = clk_prepare_enable(dsi->digital_clk);  in mtk_dsi_poweron()
659 	mtk_dsi_enable(dsi);  in mtk_dsi_poweron()
661 	if (dsi->driver_data->has_shadow_ctl)  in mtk_dsi_poweron()
663 		       dsi->regs + DSI_SHADOW_DEBUG);  in mtk_dsi_poweron()
665 	mtk_dsi_reset_engine(dsi);  in mtk_dsi_poweron()
666 	mtk_dsi_phy_timconfig(dsi);  in mtk_dsi_poweron()
668 	mtk_dsi_ps_control_vact(dsi);  in mtk_dsi_poweron()
669 	mtk_dsi_set_vm_cmd(dsi);  in mtk_dsi_poweron()
670 	mtk_dsi_config_vdo_timing(dsi);  in mtk_dsi_poweron()
671 	mtk_dsi_set_interrupt_enable(dsi);  in mtk_dsi_poweron()
675 	clk_disable_unprepare(dsi->engine_clk);  in mtk_dsi_poweron()
677 	phy_power_off(dsi->phy);  in mtk_dsi_poweron()
679 	dsi->refcount--;  in mtk_dsi_poweron()
683 static void mtk_dsi_poweroff(struct mtk_dsi *dsi)  in mtk_dsi_poweroff()  argument
685 	if (WARN_ON(dsi->refcount == 0))  in mtk_dsi_poweroff()
688 	if (--dsi->refcount != 0)  in mtk_dsi_poweroff()
696 	 * after dsi is fully set.  in mtk_dsi_poweroff()
698 	mtk_dsi_stop(dsi);  in mtk_dsi_poweroff()
700 	mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500);  in mtk_dsi_poweroff()
701 	mtk_dsi_reset_engine(dsi);  in mtk_dsi_poweroff()
702 	mtk_dsi_lane0_ulp_mode_enter(dsi);  in mtk_dsi_poweroff()
703 	mtk_dsi_clk_ulp_mode_enter(dsi);  in mtk_dsi_poweroff()
705 	writel(0, dsi->regs + DSI_TXRX_CTRL);  in mtk_dsi_poweroff()
707 	mtk_dsi_disable(dsi);  in mtk_dsi_poweroff()
709 	clk_disable_unprepare(dsi->engine_clk);  in mtk_dsi_poweroff()
710 	clk_disable_unprepare(dsi->digital_clk);  in mtk_dsi_poweroff()
712 	phy_power_off(dsi->phy);  in mtk_dsi_poweroff()
714 	dsi->lanes_ready = false;  in mtk_dsi_poweroff()
717 static void mtk_dsi_lane_ready(struct mtk_dsi *dsi)  in mtk_dsi_lane_ready()  argument
719 	if (!dsi->lanes_ready) {  in mtk_dsi_lane_ready()
720 		dsi->lanes_ready = true;  in mtk_dsi_lane_ready()
721 		mtk_dsi_rxtx_control(dsi);  in mtk_dsi_lane_ready()
723 		mtk_dsi_reset_dphy(dsi);  in mtk_dsi_lane_ready()
724 		mtk_dsi_clk_ulp_mode_leave(dsi);  in mtk_dsi_lane_ready()
725 		mtk_dsi_lane0_ulp_mode_leave(dsi);  in mtk_dsi_lane_ready()
726 		mtk_dsi_clk_hs_mode(dsi, 0);  in mtk_dsi_lane_ready()
732 static void mtk_output_dsi_enable(struct mtk_dsi *dsi)  in mtk_output_dsi_enable()  argument
734 	if (dsi->enabled)  in mtk_output_dsi_enable()
737 	mtk_dsi_lane_ready(dsi);  in mtk_output_dsi_enable()
738 	mtk_dsi_set_mode(dsi);  in mtk_output_dsi_enable()
739 	mtk_dsi_clk_hs_mode(dsi, 1);  in mtk_output_dsi_enable()
741 	mtk_dsi_start(dsi);  in mtk_output_dsi_enable()
743 	dsi->enabled = true;  in mtk_output_dsi_enable()
746 static void mtk_output_dsi_disable(struct mtk_dsi *dsi)  in mtk_output_dsi_disable()  argument
748 	if (!dsi->enabled)  in mtk_output_dsi_disable()
751 	dsi->enabled = false;  in mtk_output_dsi_disable()
757 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_attach()  local
759 	/* Attach the panel or bridge to the dsi bridge */  in mtk_dsi_bridge_attach()
760 	return drm_bridge_attach(bridge->encoder, dsi->next_bridge,  in mtk_dsi_bridge_attach()
761 				 &dsi->bridge, flags);  in mtk_dsi_bridge_attach()
768 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_mode_set()  local
770 	drm_display_mode_to_videomode(adjusted, &dsi->vm);  in mtk_dsi_bridge_mode_set()
776 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_atomic_disable()  local
778 	mtk_output_dsi_disable(dsi);  in mtk_dsi_bridge_atomic_disable()
784 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_atomic_enable()  local
786 	if (dsi->refcount == 0)  in mtk_dsi_bridge_atomic_enable()
789 	mtk_output_dsi_enable(dsi);  in mtk_dsi_bridge_atomic_enable()
795 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_atomic_pre_enable()  local
798 	ret = mtk_dsi_poweron(dsi);  in mtk_dsi_bridge_atomic_pre_enable()
800 		DRM_ERROR("failed to power on dsi\n");  in mtk_dsi_bridge_atomic_pre_enable()
806 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_atomic_post_disable()  local
808 	mtk_dsi_poweroff(dsi);  in mtk_dsi_bridge_atomic_post_disable()
816 	struct mtk_dsi *dsi = bridge_to_dsi(bridge);  in mtk_dsi_bridge_mode_valid()  local
819 	if (dsi->format == MIPI_DSI_FMT_RGB565)  in mtk_dsi_bridge_mode_valid()
824 	if (mode->clock * bpp / dsi->lanes > 1500000)  in mtk_dsi_bridge_mode_valid()
845 	struct mtk_dsi *dsi = dev_get_drvdata(dev);  in mtk_dsi_ddp_start()  local
847 	mtk_dsi_poweron(dsi);  in mtk_dsi_ddp_start()
852 	struct mtk_dsi *dsi = dev_get_drvdata(dev);  in mtk_dsi_ddp_stop()  local
854 	mtk_dsi_poweroff(dsi);  in mtk_dsi_ddp_stop()
857 static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi)  in mtk_dsi_encoder_init()  argument
861 	ret = drm_simple_encoder_init(drm, &dsi->encoder,  in mtk_dsi_encoder_init()
868 	dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->host.dev);  in mtk_dsi_encoder_init()
870 	ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL,  in mtk_dsi_encoder_init()
875 	dsi->connector = drm_bridge_connector_init(drm, &dsi->encoder);  in mtk_dsi_encoder_init()
876 	if (IS_ERR(dsi->connector)) {  in mtk_dsi_encoder_init()
878 		ret = PTR_ERR(dsi->connector);  in mtk_dsi_encoder_init()
881 	drm_connector_attach_encoder(dsi->connector, &dsi->encoder);  in mtk_dsi_encoder_init()
886 	drm_encoder_cleanup(&dsi->encoder);  in mtk_dsi_encoder_init()
892 	struct mtk_dsi *dsi = dev_get_drvdata(dev);  in mtk_dsi_encoder_index()  local
893 	unsigned int encoder_index = drm_encoder_index(&dsi->encoder);  in mtk_dsi_encoder_index()
903 	struct mtk_dsi *dsi = dev_get_drvdata(dev);  in mtk_dsi_bind()  local
905 	ret = mtk_dsi_encoder_init(drm, dsi);  in mtk_dsi_bind()
915 	struct mtk_dsi *dsi = dev_get_drvdata(dev);  in mtk_dsi_unbind()  local
917 	drm_encoder_cleanup(&dsi->encoder);  in mtk_dsi_unbind()
928 	struct mtk_dsi *dsi = host_to_dsi(host);  in mtk_dsi_host_attach()  local
932 	dsi->lanes = device->lanes;  in mtk_dsi_host_attach()
933 	dsi->format = device->format;  in mtk_dsi_host_attach()
934 	dsi->mode_flags = device->mode_flags;  in mtk_dsi_host_attach()
935 	dsi->next_bridge = devm_drm_of_get_bridge(dev, dev->of_node, 0, 0);  in mtk_dsi_host_attach()
936 	if (IS_ERR(dsi->next_bridge))  in mtk_dsi_host_attach()
937 		return PTR_ERR(dsi->next_bridge);  in mtk_dsi_host_attach()
939 	drm_bridge_add(&dsi->bridge);  in mtk_dsi_host_attach()
944 		drm_bridge_remove(&dsi->bridge);  in mtk_dsi_host_attach()
954 	struct mtk_dsi *dsi = host_to_dsi(host);  in mtk_dsi_host_detach()  local
957 	drm_bridge_remove(&dsi->bridge);  in mtk_dsi_host_detach()
961 static void mtk_dsi_wait_for_idle(struct mtk_dsi *dsi)  in mtk_dsi_wait_for_idle()  argument
966 	ret = readl_poll_timeout(dsi->regs + DSI_INTSTA, val, !(val & DSI_BUSY),  in mtk_dsi_wait_for_idle()
969 		DRM_WARN("polling dsi wait not busy timeout!\n");  in mtk_dsi_wait_for_idle()
971 		mtk_dsi_enable(dsi);  in mtk_dsi_wait_for_idle()
972 		mtk_dsi_reset_engine(dsi);  in mtk_dsi_wait_for_idle()
999 static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg)  in mtk_dsi_cmdq()  argument
1004 	u32 reg_cmdq_off = dsi->driver_data->reg_cmdq_off;  in mtk_dsi_cmdq()
1024 		mtk_dsi_mask(dsi, (reg_cmdq_off + cmdq_off + i) & (~0x3U),  in mtk_dsi_cmdq()
1028 	mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val);  in mtk_dsi_cmdq()
1029 	mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size);  in mtk_dsi_cmdq()
1030 	if (dsi->driver_data->cmdq_long_packet_ctl) {  in mtk_dsi_cmdq()
1032 		mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE_SEL, CMDQ_SIZE_SEL);  in mtk_dsi_cmdq()
1036 static ssize_t mtk_dsi_host_send_cmd(struct mtk_dsi *dsi,  in mtk_dsi_host_send_cmd()  argument
1039 	mtk_dsi_wait_for_idle(dsi);  in mtk_dsi_host_send_cmd()
1040 	mtk_dsi_irq_data_clear(dsi, flag);  in mtk_dsi_host_send_cmd()
1041 	mtk_dsi_cmdq(dsi, msg);  in mtk_dsi_host_send_cmd()
1042 	mtk_dsi_start(dsi);  in mtk_dsi_host_send_cmd()
1044 	if (!mtk_dsi_wait_for_irq_done(dsi, flag, 2000))  in mtk_dsi_host_send_cmd()
1053 	struct mtk_dsi *dsi = host_to_dsi(host);  in mtk_dsi_host_transfer()  local
1061 	dsi_mode = readl(dsi->regs + DSI_MODE_CTRL);  in mtk_dsi_host_transfer()
1063 		mtk_dsi_stop(dsi);  in mtk_dsi_host_transfer()
1064 		ret = mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500);  in mtk_dsi_host_transfer()
1072 	mtk_dsi_lane_ready(dsi);  in mtk_dsi_host_transfer()
1074 	ret = mtk_dsi_host_send_cmd(dsi, msg, irq_flag);  in mtk_dsi_host_transfer()
1084 		DRM_ERROR("dsi receive buffer size may be NULL\n");  in mtk_dsi_host_transfer()
1090 		*(read_data + i) = readb(dsi->regs + DSI_RX_DATA0 + i);  in mtk_dsi_host_transfer()
1108 	DRM_INFO("dsi get %d byte data from the panel address(0x%x)\n",  in mtk_dsi_host_transfer()
1113 		mtk_dsi_set_mode(dsi);  in mtk_dsi_host_transfer()
1114 		mtk_dsi_start(dsi);  in mtk_dsi_host_transfer()
1128 	struct mtk_dsi *dsi;  in mtk_dsi_probe()  local
1134 	dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);  in mtk_dsi_probe()
1135 	if (!dsi)  in mtk_dsi_probe()
1138 	dsi->host.ops = &mtk_dsi_ops;  in mtk_dsi_probe()
1139 	dsi->host.dev = dev;  in mtk_dsi_probe()
1140 	ret = mipi_dsi_host_register(&dsi->host);  in mtk_dsi_probe()
1142 		dev_err(dev, "failed to register DSI host: %d\n", ret);  in mtk_dsi_probe()
1146 	dsi->driver_data = of_device_get_match_data(dev);  in mtk_dsi_probe()
1148 	dsi->engine_clk = devm_clk_get(dev, "engine");  in mtk_dsi_probe()
1149 	if (IS_ERR(dsi->engine_clk)) {  in mtk_dsi_probe()
1150 		ret = PTR_ERR(dsi->engine_clk);  in mtk_dsi_probe()
1157 	dsi->digital_clk = devm_clk_get(dev, "digital");  in mtk_dsi_probe()
1158 	if (IS_ERR(dsi->digital_clk)) {  in mtk_dsi_probe()
1159 		ret = PTR_ERR(dsi->digital_clk);  in mtk_dsi_probe()
1166 	dsi->hs_clk = devm_clk_get(dev, "hs");  in mtk_dsi_probe()
1167 	if (IS_ERR(dsi->hs_clk)) {  in mtk_dsi_probe()
1168 		ret = PTR_ERR(dsi->hs_clk);  in mtk_dsi_probe()
1174 	dsi->regs = devm_ioremap_resource(dev, regs);  in mtk_dsi_probe()
1175 	if (IS_ERR(dsi->regs)) {  in mtk_dsi_probe()
1176 		ret = PTR_ERR(dsi->regs);  in mtk_dsi_probe()
1181 	dsi->phy = devm_phy_get(dev, "dphy");  in mtk_dsi_probe()
1182 	if (IS_ERR(dsi->phy)) {  in mtk_dsi_probe()
1183 		ret = PTR_ERR(dsi->phy);  in mtk_dsi_probe()
1195 			       IRQF_TRIGGER_NONE, dev_name(&pdev->dev), dsi);  in mtk_dsi_probe()
1197 		dev_err(&pdev->dev, "failed to request mediatek dsi irq\n");  in mtk_dsi_probe()
1201 	init_waitqueue_head(&dsi->irq_wait_queue);  in mtk_dsi_probe()
1203 	platform_set_drvdata(pdev, dsi);  in mtk_dsi_probe()
1205 	dsi->bridge.funcs = &mtk_dsi_bridge_funcs;  in mtk_dsi_probe()
1206 	dsi->bridge.of_node = dev->of_node;  in mtk_dsi_probe()
1207 	dsi->bridge.type = DRM_MODE_CONNECTOR_DSI;  in mtk_dsi_probe()
1212 	mipi_dsi_host_unregister(&dsi->host);  in mtk_dsi_probe()
1218 	struct mtk_dsi *dsi = platform_get_drvdata(pdev);  in mtk_dsi_remove()  local
1220 	mtk_output_dsi_disable(dsi);  in mtk_dsi_remove()
1221 	mipi_dsi_host_unregister(&dsi->host);  in mtk_dsi_remove()
1252 	{ .compatible = "mediatek,mt2701-dsi",
1254 	{ .compatible = "mediatek,mt8173-dsi",
1256 	{ .compatible = "mediatek,mt8183-dsi",
1258 	{ .compatible = "mediatek,mt8186-dsi",
1260 	{ .compatible = "mediatek,mt8188-dsi",
1270 		.name = "mtk-dsi",