Lines Matching full:dsi
221 static void mtk_dsi_mask(struct mtk_dsi *dsi, u32 offset, u32 mask, u32 data) in mtk_dsi_mask() argument
223 u32 temp = readl(dsi->regs + offset); in mtk_dsi_mask()
225 writel((temp & ~mask) | (data & mask), dsi->regs + offset); in mtk_dsi_mask()
228 static void mtk_dsi_phy_timconfig(struct mtk_dsi *dsi) in mtk_dsi_phy_timconfig() argument
231 u32 data_rate_mhz = DIV_ROUND_UP(dsi->data_rate, 1000000); in mtk_dsi_phy_timconfig()
232 struct mtk_phy_timing *timing = &dsi->phy_timing; in mtk_dsi_phy_timconfig()
260 writel(timcon0, dsi->regs + DSI_PHY_TIMECON0); in mtk_dsi_phy_timconfig()
261 writel(timcon1, dsi->regs + DSI_PHY_TIMECON1); in mtk_dsi_phy_timconfig()
262 writel(timcon2, dsi->regs + DSI_PHY_TIMECON2); in mtk_dsi_phy_timconfig()
263 writel(timcon3, dsi->regs + DSI_PHY_TIMECON3); in mtk_dsi_phy_timconfig()
266 static void mtk_dsi_enable(struct mtk_dsi *dsi) in mtk_dsi_enable() argument
268 mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, DSI_EN); in mtk_dsi_enable()
271 static void mtk_dsi_disable(struct mtk_dsi *dsi) in mtk_dsi_disable() argument
273 mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_EN, 0); in mtk_dsi_disable()
276 static void mtk_dsi_reset_engine(struct mtk_dsi *dsi) in mtk_dsi_reset_engine() argument
278 mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, DSI_RESET); in mtk_dsi_reset_engine()
279 mtk_dsi_mask(dsi, DSI_CON_CTRL, DSI_RESET, 0); in mtk_dsi_reset_engine()
282 static void mtk_dsi_reset_dphy(struct mtk_dsi *dsi) in mtk_dsi_reset_dphy() argument
284 mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, DPHY_RESET); in mtk_dsi_reset_dphy()
285 mtk_dsi_mask(dsi, DSI_CON_CTRL, DPHY_RESET, 0); in mtk_dsi_reset_dphy()
288 static void mtk_dsi_clk_ulp_mode_enter(struct mtk_dsi *dsi) in mtk_dsi_clk_ulp_mode_enter() argument
290 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0); in mtk_dsi_clk_ulp_mode_enter()
291 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0); in mtk_dsi_clk_ulp_mode_enter()
294 static void mtk_dsi_clk_ulp_mode_leave(struct mtk_dsi *dsi) in mtk_dsi_clk_ulp_mode_leave() argument
296 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_ULPM_EN, 0); in mtk_dsi_clk_ulp_mode_leave()
297 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, LC_WAKEUP_EN); in mtk_dsi_clk_ulp_mode_leave()
298 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_WAKEUP_EN, 0); in mtk_dsi_clk_ulp_mode_leave()
301 static void mtk_dsi_lane0_ulp_mode_enter(struct mtk_dsi *dsi) in mtk_dsi_lane0_ulp_mode_enter() argument
303 mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_HS_TX_EN, 0); in mtk_dsi_lane0_ulp_mode_enter()
304 mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0); in mtk_dsi_lane0_ulp_mode_enter()
307 static void mtk_dsi_lane0_ulp_mode_leave(struct mtk_dsi *dsi) in mtk_dsi_lane0_ulp_mode_leave() argument
309 mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_ULPM_EN, 0); in mtk_dsi_lane0_ulp_mode_leave()
310 mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, LD0_WAKEUP_EN); in mtk_dsi_lane0_ulp_mode_leave()
311 mtk_dsi_mask(dsi, DSI_PHY_LD0CON, LD0_WAKEUP_EN, 0); in mtk_dsi_lane0_ulp_mode_leave()
314 static bool mtk_dsi_clk_hs_state(struct mtk_dsi *dsi) in mtk_dsi_clk_hs_state() argument
316 return readl(dsi->regs + DSI_PHY_LCCON) & LC_HS_TX_EN; in mtk_dsi_clk_hs_state()
319 static void mtk_dsi_clk_hs_mode(struct mtk_dsi *dsi, bool enter) in mtk_dsi_clk_hs_mode() argument
321 if (enter && !mtk_dsi_clk_hs_state(dsi)) in mtk_dsi_clk_hs_mode()
322 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, LC_HS_TX_EN); in mtk_dsi_clk_hs_mode()
323 else if (!enter && mtk_dsi_clk_hs_state(dsi)) in mtk_dsi_clk_hs_mode()
324 mtk_dsi_mask(dsi, DSI_PHY_LCCON, LC_HS_TX_EN, 0); in mtk_dsi_clk_hs_mode()
327 static void mtk_dsi_set_mode(struct mtk_dsi *dsi) in mtk_dsi_set_mode() argument
331 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO) { in mtk_dsi_set_mode()
332 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST) in mtk_dsi_set_mode()
334 else if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) in mtk_dsi_set_mode()
340 writel(vid_mode, dsi->regs + DSI_MODE_CTRL); in mtk_dsi_set_mode()
343 static void mtk_dsi_set_vm_cmd(struct mtk_dsi *dsi) in mtk_dsi_set_vm_cmd() argument
345 mtk_dsi_mask(dsi, DSI_VM_CMD_CON, VM_CMD_EN, VM_CMD_EN); in mtk_dsi_set_vm_cmd()
346 mtk_dsi_mask(dsi, DSI_VM_CMD_CON, TS_VFP_EN, TS_VFP_EN); in mtk_dsi_set_vm_cmd()
349 static void mtk_dsi_ps_control_vact(struct mtk_dsi *dsi) in mtk_dsi_ps_control_vact() argument
351 struct videomode *vm = &dsi->vm; in mtk_dsi_ps_control_vact()
355 if (dsi->format == MIPI_DSI_FMT_RGB565) in mtk_dsi_ps_control_vact()
363 switch (dsi->format) { in mtk_dsi_ps_control_vact()
378 writel(vm->vactive, dsi->regs + DSI_VACT_NL); in mtk_dsi_ps_control_vact()
379 writel(ps_bpp_mode, dsi->regs + DSI_PSCTRL); in mtk_dsi_ps_control_vact()
380 writel(ps_wc, dsi->regs + DSI_HSTX_CKL_WC); in mtk_dsi_ps_control_vact()
383 static void mtk_dsi_rxtx_control(struct mtk_dsi *dsi) in mtk_dsi_rxtx_control() argument
387 switch (dsi->lanes) { in mtk_dsi_rxtx_control()
405 tmp_reg |= (dsi->mode_flags & MIPI_DSI_CLOCK_NON_CONTINUOUS) << 6; in mtk_dsi_rxtx_control()
406 tmp_reg |= (dsi->mode_flags & MIPI_DSI_MODE_EOT_PACKET) >> 3; in mtk_dsi_rxtx_control()
408 writel(tmp_reg, dsi->regs + DSI_TXRX_CTRL); in mtk_dsi_rxtx_control()
411 static void mtk_dsi_ps_control(struct mtk_dsi *dsi) in mtk_dsi_ps_control() argument
416 switch (dsi->format) { in mtk_dsi_ps_control()
439 tmp_reg += dsi->vm.hactive * dsi_tmp_buf_bpp & DSI_PS_WC; in mtk_dsi_ps_control()
440 writel(tmp_reg, dsi->regs + DSI_PSCTRL); in mtk_dsi_ps_control()
443 static void mtk_dsi_config_vdo_timing(struct mtk_dsi *dsi) in mtk_dsi_config_vdo_timing() argument
452 struct mtk_phy_timing *timing = &dsi->phy_timing; in mtk_dsi_config_vdo_timing()
454 struct videomode *vm = &dsi->vm; in mtk_dsi_config_vdo_timing()
456 if (dsi->format == MIPI_DSI_FMT_RGB565) in mtk_dsi_config_vdo_timing()
461 writel(vm->vsync_len, dsi->regs + DSI_VSA_NL); in mtk_dsi_config_vdo_timing()
462 writel(vm->vback_porch, dsi->regs + DSI_VBP_NL); in mtk_dsi_config_vdo_timing()
463 writel(vm->vfront_porch, dsi->regs + DSI_VFP_NL); in mtk_dsi_config_vdo_timing()
464 writel(vm->vactive, dsi->regs + DSI_VACT_NL); in mtk_dsi_config_vdo_timing()
466 if (dsi->driver_data->has_size_ctl) in mtk_dsi_config_vdo_timing()
468 dsi->regs + DSI_SIZE_CON); in mtk_dsi_config_vdo_timing()
472 if (dsi->mode_flags & MIPI_DSI_MODE_VIDEO_SYNC_PULSE) in mtk_dsi_config_vdo_timing()
481 delta = dsi->mode_flags & MIPI_DSI_MODE_VIDEO_BURST ? 18 : 12; in mtk_dsi_config_vdo_timing()
485 data_phy_cycles_byte = data_phy_cycles * dsi->lanes + delta; in mtk_dsi_config_vdo_timing()
499 writel(horizontal_sync_active_byte, dsi->regs + DSI_HSA_WC); in mtk_dsi_config_vdo_timing()
500 writel(horizontal_backporch_byte, dsi->regs + DSI_HBP_WC); in mtk_dsi_config_vdo_timing()
501 writel(horizontal_frontporch_byte, dsi->regs + DSI_HFP_WC); in mtk_dsi_config_vdo_timing()
503 mtk_dsi_ps_control(dsi); in mtk_dsi_config_vdo_timing()
506 static void mtk_dsi_start(struct mtk_dsi *dsi) in mtk_dsi_start() argument
508 writel(0, dsi->regs + DSI_START); in mtk_dsi_start()
509 writel(1, dsi->regs + DSI_START); in mtk_dsi_start()
512 static void mtk_dsi_stop(struct mtk_dsi *dsi) in mtk_dsi_stop() argument
514 writel(0, dsi->regs + DSI_START); in mtk_dsi_stop()
517 static void mtk_dsi_set_cmd_mode(struct mtk_dsi *dsi) in mtk_dsi_set_cmd_mode() argument
519 writel(CMD_MODE, dsi->regs + DSI_MODE_CTRL); in mtk_dsi_set_cmd_mode()
522 static void mtk_dsi_set_interrupt_enable(struct mtk_dsi *dsi) in mtk_dsi_set_interrupt_enable() argument
526 writel(inten, dsi->regs + DSI_INTEN); in mtk_dsi_set_interrupt_enable()
529 static void mtk_dsi_irq_data_set(struct mtk_dsi *dsi, u32 irq_bit) in mtk_dsi_irq_data_set() argument
531 dsi->irq_data |= irq_bit; in mtk_dsi_irq_data_set()
534 static void mtk_dsi_irq_data_clear(struct mtk_dsi *dsi, u32 irq_bit) in mtk_dsi_irq_data_clear() argument
536 dsi->irq_data &= ~irq_bit; in mtk_dsi_irq_data_clear()
539 static s32 mtk_dsi_wait_for_irq_done(struct mtk_dsi *dsi, u32 irq_flag, in mtk_dsi_wait_for_irq_done() argument
545 ret = wait_event_interruptible_timeout(dsi->irq_wait_queue, in mtk_dsi_wait_for_irq_done()
546 dsi->irq_data & irq_flag, in mtk_dsi_wait_for_irq_done()
549 DRM_WARN("Wait DSI IRQ(0x%08x) Timeout\n", irq_flag); in mtk_dsi_wait_for_irq_done()
551 mtk_dsi_enable(dsi); in mtk_dsi_wait_for_irq_done()
552 mtk_dsi_reset_engine(dsi); in mtk_dsi_wait_for_irq_done()
560 struct mtk_dsi *dsi = dev_id; in mtk_dsi_irq() local
564 status = readl(dsi->regs + DSI_INTSTA) & flag; in mtk_dsi_irq()
568 mtk_dsi_mask(dsi, DSI_RACK, RACK, RACK); in mtk_dsi_irq()
569 tmp = readl(dsi->regs + DSI_INTSTA); in mtk_dsi_irq()
572 mtk_dsi_mask(dsi, DSI_INTSTA, status, 0); in mtk_dsi_irq()
573 mtk_dsi_irq_data_set(dsi, status); in mtk_dsi_irq()
574 wake_up_interruptible(&dsi->irq_wait_queue); in mtk_dsi_irq()
580 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
582 mtk_dsi_irq_data_clear(dsi, irq_flag); in mtk_dsi_switch_to_cmd_mode()
583 mtk_dsi_set_cmd_mode(dsi); in mtk_dsi_switch_to_cmd_mode()
585 if (!mtk_dsi_wait_for_irq_done(dsi, irq_flag, t)) { in mtk_dsi_switch_to_cmd_mode()
593 static int mtk_dsi_poweron(struct mtk_dsi *dsi) in mtk_dsi_poweron() argument
595 struct device *dev = dsi->host.dev; in mtk_dsi_poweron()
599 if (++dsi->refcount != 1) in mtk_dsi_poweron()
602 switch (dsi->format) { in mtk_dsi_poweron()
616 dsi->data_rate = DIV_ROUND_UP_ULL(dsi->vm.pixelclock * bit_per_pixel, in mtk_dsi_poweron()
617 dsi->lanes); in mtk_dsi_poweron()
619 ret = clk_set_rate(dsi->hs_clk, dsi->data_rate); in mtk_dsi_poweron()
625 phy_power_on(dsi->phy); in mtk_dsi_poweron()
627 ret = clk_prepare_enable(dsi->engine_clk); in mtk_dsi_poweron()
633 ret = clk_prepare_enable(dsi->digital_clk); in mtk_dsi_poweron()
639 mtk_dsi_enable(dsi); in mtk_dsi_poweron()
641 if (dsi->driver_data->has_shadow_ctl) in mtk_dsi_poweron()
643 dsi->regs + DSI_SHADOW_DEBUG); in mtk_dsi_poweron()
645 mtk_dsi_reset_engine(dsi); in mtk_dsi_poweron()
646 mtk_dsi_phy_timconfig(dsi); in mtk_dsi_poweron()
648 mtk_dsi_ps_control_vact(dsi); in mtk_dsi_poweron()
649 mtk_dsi_set_vm_cmd(dsi); in mtk_dsi_poweron()
650 mtk_dsi_config_vdo_timing(dsi); in mtk_dsi_poweron()
651 mtk_dsi_set_interrupt_enable(dsi); in mtk_dsi_poweron()
655 clk_disable_unprepare(dsi->engine_clk); in mtk_dsi_poweron()
657 phy_power_off(dsi->phy); in mtk_dsi_poweron()
659 dsi->refcount--; in mtk_dsi_poweron()
663 static void mtk_dsi_poweroff(struct mtk_dsi *dsi) in mtk_dsi_poweroff() argument
665 if (WARN_ON(dsi->refcount == 0)) in mtk_dsi_poweroff()
668 if (--dsi->refcount != 0) in mtk_dsi_poweroff()
676 * after dsi is fully set. in mtk_dsi_poweroff()
678 mtk_dsi_stop(dsi); in mtk_dsi_poweroff()
680 mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500); in mtk_dsi_poweroff()
681 mtk_dsi_reset_engine(dsi); in mtk_dsi_poweroff()
682 mtk_dsi_lane0_ulp_mode_enter(dsi); in mtk_dsi_poweroff()
683 mtk_dsi_clk_ulp_mode_enter(dsi); in mtk_dsi_poweroff()
685 writel(0, dsi->regs + DSI_TXRX_CTRL); in mtk_dsi_poweroff()
687 mtk_dsi_disable(dsi); in mtk_dsi_poweroff()
689 clk_disable_unprepare(dsi->engine_clk); in mtk_dsi_poweroff()
690 clk_disable_unprepare(dsi->digital_clk); in mtk_dsi_poweroff()
692 phy_power_off(dsi->phy); in mtk_dsi_poweroff()
694 dsi->lanes_ready = false; in mtk_dsi_poweroff()
697 static void mtk_dsi_lane_ready(struct mtk_dsi *dsi) in mtk_dsi_lane_ready() argument
699 if (!dsi->lanes_ready) { in mtk_dsi_lane_ready()
700 dsi->lanes_ready = true; in mtk_dsi_lane_ready()
701 mtk_dsi_rxtx_control(dsi); in mtk_dsi_lane_ready()
703 mtk_dsi_reset_dphy(dsi); in mtk_dsi_lane_ready()
704 mtk_dsi_clk_ulp_mode_leave(dsi); in mtk_dsi_lane_ready()
705 mtk_dsi_lane0_ulp_mode_leave(dsi); in mtk_dsi_lane_ready()
706 mtk_dsi_clk_hs_mode(dsi, 0); in mtk_dsi_lane_ready()
712 static void mtk_output_dsi_enable(struct mtk_dsi *dsi) in mtk_output_dsi_enable() argument
714 if (dsi->enabled) in mtk_output_dsi_enable()
717 mtk_dsi_lane_ready(dsi); in mtk_output_dsi_enable()
718 mtk_dsi_set_mode(dsi); in mtk_output_dsi_enable()
719 mtk_dsi_clk_hs_mode(dsi, 1); in mtk_output_dsi_enable()
721 mtk_dsi_start(dsi); in mtk_output_dsi_enable()
723 dsi->enabled = true; in mtk_output_dsi_enable()
726 static void mtk_output_dsi_disable(struct mtk_dsi *dsi) in mtk_output_dsi_disable() argument
728 if (!dsi->enabled) in mtk_output_dsi_disable()
731 dsi->enabled = false; in mtk_output_dsi_disable()
737 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_attach() local
739 /* Attach the panel or bridge to the dsi bridge */ in mtk_dsi_bridge_attach()
740 return drm_bridge_attach(bridge->encoder, dsi->next_bridge, in mtk_dsi_bridge_attach()
741 &dsi->bridge, flags); in mtk_dsi_bridge_attach()
748 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_mode_set() local
750 drm_display_mode_to_videomode(adjusted, &dsi->vm); in mtk_dsi_bridge_mode_set()
756 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_atomic_disable() local
758 mtk_output_dsi_disable(dsi); in mtk_dsi_bridge_atomic_disable()
764 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_atomic_enable() local
766 if (dsi->refcount == 0) in mtk_dsi_bridge_atomic_enable()
769 mtk_output_dsi_enable(dsi); in mtk_dsi_bridge_atomic_enable()
775 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_atomic_pre_enable() local
778 ret = mtk_dsi_poweron(dsi); in mtk_dsi_bridge_atomic_pre_enable()
780 DRM_ERROR("failed to power on dsi\n"); in mtk_dsi_bridge_atomic_pre_enable()
786 struct mtk_dsi *dsi = bridge_to_dsi(bridge); in mtk_dsi_bridge_atomic_post_disable() local
788 mtk_dsi_poweroff(dsi); in mtk_dsi_bridge_atomic_post_disable()
805 struct mtk_dsi *dsi = container_of(comp, struct mtk_dsi, ddp_comp); in mtk_dsi_ddp_start() local
807 mtk_dsi_poweron(dsi); in mtk_dsi_ddp_start()
812 struct mtk_dsi *dsi = container_of(comp, struct mtk_dsi, ddp_comp); in mtk_dsi_ddp_stop() local
814 mtk_dsi_poweroff(dsi); in mtk_dsi_ddp_stop()
825 struct mtk_dsi *dsi = host_to_dsi(host); in mtk_dsi_host_attach() local
827 dsi->lanes = device->lanes; in mtk_dsi_host_attach()
828 dsi->format = device->format; in mtk_dsi_host_attach()
829 dsi->mode_flags = device->mode_flags; in mtk_dsi_host_attach()
834 static void mtk_dsi_wait_for_idle(struct mtk_dsi *dsi) in mtk_dsi_wait_for_idle() argument
839 ret = readl_poll_timeout(dsi->regs + DSI_INTSTA, val, !(val & DSI_BUSY), in mtk_dsi_wait_for_idle()
842 DRM_WARN("polling dsi wait not busy timeout!\n"); in mtk_dsi_wait_for_idle()
844 mtk_dsi_enable(dsi); in mtk_dsi_wait_for_idle()
845 mtk_dsi_reset_engine(dsi); in mtk_dsi_wait_for_idle()
872 static void mtk_dsi_cmdq(struct mtk_dsi *dsi, const struct mipi_dsi_msg *msg) in mtk_dsi_cmdq() argument
877 u32 reg_cmdq_off = dsi->driver_data->reg_cmdq_off; in mtk_dsi_cmdq()
897 mtk_dsi_mask(dsi, (reg_cmdq_off + cmdq_off + i) & (~0x3U), in mtk_dsi_cmdq()
901 mtk_dsi_mask(dsi, reg_cmdq_off, cmdq_mask, reg_val); in mtk_dsi_cmdq()
902 mtk_dsi_mask(dsi, DSI_CMDQ_SIZE, CMDQ_SIZE, cmdq_size); in mtk_dsi_cmdq()
905 static ssize_t mtk_dsi_host_send_cmd(struct mtk_dsi *dsi, in mtk_dsi_host_send_cmd() argument
908 mtk_dsi_wait_for_idle(dsi); in mtk_dsi_host_send_cmd()
909 mtk_dsi_irq_data_clear(dsi, flag); in mtk_dsi_host_send_cmd()
910 mtk_dsi_cmdq(dsi, msg); in mtk_dsi_host_send_cmd()
911 mtk_dsi_start(dsi); in mtk_dsi_host_send_cmd()
913 if (!mtk_dsi_wait_for_irq_done(dsi, flag, 2000)) in mtk_dsi_host_send_cmd()
922 struct mtk_dsi *dsi = host_to_dsi(host); in mtk_dsi_host_transfer() local
930 dsi_mode = readl(dsi->regs + DSI_MODE_CTRL); in mtk_dsi_host_transfer()
932 mtk_dsi_stop(dsi); in mtk_dsi_host_transfer()
933 ret = mtk_dsi_switch_to_cmd_mode(dsi, VM_DONE_INT_FLAG, 500); in mtk_dsi_host_transfer()
941 mtk_dsi_lane_ready(dsi); in mtk_dsi_host_transfer()
943 ret = mtk_dsi_host_send_cmd(dsi, msg, irq_flag); in mtk_dsi_host_transfer()
953 DRM_ERROR("dsi receive buffer size may be NULL\n"); in mtk_dsi_host_transfer()
959 *(read_data + i) = readb(dsi->regs + DSI_RX_DATA0 + i); in mtk_dsi_host_transfer()
977 DRM_INFO("dsi get %d byte data from the panel address(0x%x)\n", in mtk_dsi_host_transfer()
982 mtk_dsi_set_mode(dsi); in mtk_dsi_host_transfer()
983 mtk_dsi_start(dsi); in mtk_dsi_host_transfer()
994 static int mtk_dsi_encoder_init(struct drm_device *drm, struct mtk_dsi *dsi) in mtk_dsi_encoder_init() argument
998 ret = drm_simple_encoder_init(drm, &dsi->encoder, in mtk_dsi_encoder_init()
1005 dsi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm, dsi->ddp_comp); in mtk_dsi_encoder_init()
1007 ret = drm_bridge_attach(&dsi->encoder, &dsi->bridge, NULL, in mtk_dsi_encoder_init()
1012 dsi->connector = drm_bridge_connector_init(drm, &dsi->encoder); in mtk_dsi_encoder_init()
1013 if (IS_ERR(dsi->connector)) { in mtk_dsi_encoder_init()
1015 ret = PTR_ERR(dsi->connector); in mtk_dsi_encoder_init()
1018 drm_connector_attach_encoder(dsi->connector, &dsi->encoder); in mtk_dsi_encoder_init()
1023 drm_encoder_cleanup(&dsi->encoder); in mtk_dsi_encoder_init()
1031 struct mtk_dsi *dsi = dev_get_drvdata(dev); in mtk_dsi_bind() local
1033 ret = mtk_ddp_comp_register(drm, &dsi->ddp_comp); in mtk_dsi_bind()
1040 ret = mtk_dsi_encoder_init(drm, dsi); in mtk_dsi_bind()
1047 mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); in mtk_dsi_bind()
1055 struct mtk_dsi *dsi = dev_get_drvdata(dev); in mtk_dsi_unbind() local
1057 drm_encoder_cleanup(&dsi->encoder); in mtk_dsi_unbind()
1058 mtk_ddp_comp_unregister(drm, &dsi->ddp_comp); in mtk_dsi_unbind()
1068 struct mtk_dsi *dsi; in mtk_dsi_probe() local
1076 dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL); in mtk_dsi_probe()
1077 if (!dsi) in mtk_dsi_probe()
1080 dsi->host.ops = &mtk_dsi_ops; in mtk_dsi_probe()
1081 dsi->host.dev = dev; in mtk_dsi_probe()
1082 ret = mipi_dsi_host_register(&dsi->host); in mtk_dsi_probe()
1084 dev_err(dev, "failed to register DSI host: %d\n", ret); in mtk_dsi_probe()
1089 &panel, &dsi->next_bridge); in mtk_dsi_probe()
1094 dsi->next_bridge = devm_drm_panel_bridge_add(dev, panel); in mtk_dsi_probe()
1095 if (IS_ERR(dsi->next_bridge)) { in mtk_dsi_probe()
1096 ret = PTR_ERR(dsi->next_bridge); in mtk_dsi_probe()
1101 dsi->driver_data = of_device_get_match_data(dev); in mtk_dsi_probe()
1103 dsi->engine_clk = devm_clk_get(dev, "engine"); in mtk_dsi_probe()
1104 if (IS_ERR(dsi->engine_clk)) { in mtk_dsi_probe()
1105 ret = PTR_ERR(dsi->engine_clk); in mtk_dsi_probe()
1112 dsi->digital_clk = devm_clk_get(dev, "digital"); in mtk_dsi_probe()
1113 if (IS_ERR(dsi->digital_clk)) { in mtk_dsi_probe()
1114 ret = PTR_ERR(dsi->digital_clk); in mtk_dsi_probe()
1121 dsi->hs_clk = devm_clk_get(dev, "hs"); in mtk_dsi_probe()
1122 if (IS_ERR(dsi->hs_clk)) { in mtk_dsi_probe()
1123 ret = PTR_ERR(dsi->hs_clk); in mtk_dsi_probe()
1129 dsi->regs = devm_ioremap_resource(dev, regs); in mtk_dsi_probe()
1130 if (IS_ERR(dsi->regs)) { in mtk_dsi_probe()
1131 ret = PTR_ERR(dsi->regs); in mtk_dsi_probe()
1136 dsi->phy = devm_phy_get(dev, "dphy"); in mtk_dsi_probe()
1137 if (IS_ERR(dsi->phy)) { in mtk_dsi_probe()
1138 ret = PTR_ERR(dsi->phy); in mtk_dsi_probe()
1150 ret = mtk_ddp_comp_init(dev, dev->of_node, &dsi->ddp_comp, comp_id, in mtk_dsi_probe()
1159 dev_err(&pdev->dev, "failed to get dsi irq_num: %d\n", irq_num); in mtk_dsi_probe()
1166 IRQF_TRIGGER_LOW, dev_name(&pdev->dev), dsi); in mtk_dsi_probe()
1168 dev_err(&pdev->dev, "failed to request mediatek dsi irq\n"); in mtk_dsi_probe()
1172 init_waitqueue_head(&dsi->irq_wait_queue); in mtk_dsi_probe()
1174 platform_set_drvdata(pdev, dsi); in mtk_dsi_probe()
1176 dsi->bridge.funcs = &mtk_dsi_bridge_funcs; in mtk_dsi_probe()
1177 dsi->bridge.of_node = dev->of_node; in mtk_dsi_probe()
1178 dsi->bridge.type = DRM_MODE_CONNECTOR_DSI; in mtk_dsi_probe()
1180 drm_bridge_add(&dsi->bridge); in mtk_dsi_probe()
1191 mipi_dsi_host_unregister(&dsi->host); in mtk_dsi_probe()
1197 struct mtk_dsi *dsi = platform_get_drvdata(pdev); in mtk_dsi_remove() local
1199 mtk_output_dsi_disable(dsi); in mtk_dsi_remove()
1200 drm_bridge_remove(&dsi->bridge); in mtk_dsi_remove()
1202 mipi_dsi_host_unregister(&dsi->host); in mtk_dsi_remove()
1222 { .compatible = "mediatek,mt2701-dsi",
1224 { .compatible = "mediatek,mt8173-dsi",
1226 { .compatible = "mediatek,mt8183-dsi",
1235 .name = "mtk-dsi",