Lines Matching refs:dpi
118 static void mtk_dpi_mask(struct mtk_dpi *dpi, u32 offset, u32 val, u32 mask) in mtk_dpi_mask() argument
120 u32 tmp = readl(dpi->regs + offset) & ~mask; in mtk_dpi_mask()
123 writel(tmp, dpi->regs + offset); in mtk_dpi_mask()
126 static void mtk_dpi_sw_reset(struct mtk_dpi *dpi, bool reset) in mtk_dpi_sw_reset() argument
128 mtk_dpi_mask(dpi, DPI_RET, reset ? RST : 0, RST); in mtk_dpi_sw_reset()
131 static void mtk_dpi_enable(struct mtk_dpi *dpi) in mtk_dpi_enable() argument
133 mtk_dpi_mask(dpi, DPI_EN, EN, EN); in mtk_dpi_enable()
136 static void mtk_dpi_disable(struct mtk_dpi *dpi) in mtk_dpi_disable() argument
138 mtk_dpi_mask(dpi, DPI_EN, 0, EN); in mtk_dpi_disable()
141 static void mtk_dpi_config_hsync(struct mtk_dpi *dpi, in mtk_dpi_config_hsync() argument
144 mtk_dpi_mask(dpi, DPI_TGEN_HWIDTH, in mtk_dpi_config_hsync()
146 mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, in mtk_dpi_config_hsync()
148 mtk_dpi_mask(dpi, DPI_TGEN_HPORCH, sync->front_porch << HFP, in mtk_dpi_config_hsync()
152 static void mtk_dpi_config_vsync(struct mtk_dpi *dpi, in mtk_dpi_config_vsync() argument
156 mtk_dpi_mask(dpi, width_addr, in mtk_dpi_config_vsync()
159 mtk_dpi_mask(dpi, width_addr, in mtk_dpi_config_vsync()
162 mtk_dpi_mask(dpi, porch_addr, in mtk_dpi_config_vsync()
165 mtk_dpi_mask(dpi, porch_addr, in mtk_dpi_config_vsync()
170 static void mtk_dpi_config_vsync_lodd(struct mtk_dpi *dpi, in mtk_dpi_config_vsync_lodd() argument
173 mtk_dpi_config_vsync(dpi, sync, DPI_TGEN_VWIDTH, DPI_TGEN_VPORCH); in mtk_dpi_config_vsync_lodd()
176 static void mtk_dpi_config_vsync_leven(struct mtk_dpi *dpi, in mtk_dpi_config_vsync_leven() argument
179 mtk_dpi_config_vsync(dpi, sync, DPI_TGEN_VWIDTH_LEVEN, in mtk_dpi_config_vsync_leven()
183 static void mtk_dpi_config_vsync_rodd(struct mtk_dpi *dpi, in mtk_dpi_config_vsync_rodd() argument
186 mtk_dpi_config_vsync(dpi, sync, DPI_TGEN_VWIDTH_RODD, in mtk_dpi_config_vsync_rodd()
190 static void mtk_dpi_config_vsync_reven(struct mtk_dpi *dpi, in mtk_dpi_config_vsync_reven() argument
193 mtk_dpi_config_vsync(dpi, sync, DPI_TGEN_VWIDTH_REVEN, in mtk_dpi_config_vsync_reven()
197 static void mtk_dpi_config_pol(struct mtk_dpi *dpi, in mtk_dpi_config_pol() argument
206 mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, pol, in mtk_dpi_config_pol()
210 static void mtk_dpi_config_3d(struct mtk_dpi *dpi, bool en_3d) in mtk_dpi_config_3d() argument
212 mtk_dpi_mask(dpi, DPI_CON, en_3d ? TDFP_EN : 0, TDFP_EN); in mtk_dpi_config_3d()
215 static void mtk_dpi_config_interface(struct mtk_dpi *dpi, bool inter) in mtk_dpi_config_interface() argument
217 mtk_dpi_mask(dpi, DPI_CON, inter ? INTL_EN : 0, INTL_EN); in mtk_dpi_config_interface()
220 static void mtk_dpi_config_fb_size(struct mtk_dpi *dpi, u32 width, u32 height) in mtk_dpi_config_fb_size() argument
222 mtk_dpi_mask(dpi, DPI_SIZE, width << HSIZE, HSIZE_MASK); in mtk_dpi_config_fb_size()
223 mtk_dpi_mask(dpi, DPI_SIZE, height << VSIZE, VSIZE_MASK); in mtk_dpi_config_fb_size()
226 static void mtk_dpi_config_channel_limit(struct mtk_dpi *dpi, in mtk_dpi_config_channel_limit() argument
229 mtk_dpi_mask(dpi, DPI_Y_LIMIT, limit->y_bottom << Y_LIMINT_BOT, in mtk_dpi_config_channel_limit()
231 mtk_dpi_mask(dpi, DPI_Y_LIMIT, limit->y_top << Y_LIMINT_TOP, in mtk_dpi_config_channel_limit()
233 mtk_dpi_mask(dpi, DPI_C_LIMIT, limit->c_bottom << C_LIMIT_BOT, in mtk_dpi_config_channel_limit()
235 mtk_dpi_mask(dpi, DPI_C_LIMIT, limit->c_top << C_LIMIT_TOP, in mtk_dpi_config_channel_limit()
239 static void mtk_dpi_config_bit_num(struct mtk_dpi *dpi, in mtk_dpi_config_bit_num() argument
261 mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << OUT_BIT, in mtk_dpi_config_bit_num()
265 static void mtk_dpi_config_yc_map(struct mtk_dpi *dpi, in mtk_dpi_config_yc_map() argument
291 mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << YC_MAP, YC_MAP_MASK); in mtk_dpi_config_yc_map()
294 static void mtk_dpi_config_channel_swap(struct mtk_dpi *dpi, in mtk_dpi_config_channel_swap() argument
323 mtk_dpi_mask(dpi, DPI_OUTPUT_SETTING, val << CH_SWAP, CH_SWAP_MASK); in mtk_dpi_config_channel_swap()
326 static void mtk_dpi_config_yuv422_enable(struct mtk_dpi *dpi, bool enable) in mtk_dpi_config_yuv422_enable() argument
328 mtk_dpi_mask(dpi, DPI_CON, enable ? YUV422_EN : 0, YUV422_EN); in mtk_dpi_config_yuv422_enable()
331 static void mtk_dpi_config_csc_enable(struct mtk_dpi *dpi, bool enable) in mtk_dpi_config_csc_enable() argument
333 mtk_dpi_mask(dpi, DPI_CON, enable ? CSC_ENABLE : 0, CSC_ENABLE); in mtk_dpi_config_csc_enable()
336 static void mtk_dpi_config_swap_input(struct mtk_dpi *dpi, bool enable) in mtk_dpi_config_swap_input() argument
338 mtk_dpi_mask(dpi, DPI_CON, enable ? IN_RB_SWAP : 0, IN_RB_SWAP); in mtk_dpi_config_swap_input()
341 static void mtk_dpi_config_2n_h_fre(struct mtk_dpi *dpi) in mtk_dpi_config_2n_h_fre() argument
343 mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, H_FRE_2N, H_FRE_2N); in mtk_dpi_config_2n_h_fre()
346 static void mtk_dpi_config_disable_edge(struct mtk_dpi *dpi) in mtk_dpi_config_disable_edge() argument
348 if (dpi->conf->edge_sel_en) in mtk_dpi_config_disable_edge()
349 mtk_dpi_mask(dpi, dpi->conf->reg_h_fre_con, 0, EDGE_SEL_EN); in mtk_dpi_config_disable_edge()
352 static void mtk_dpi_config_color_format(struct mtk_dpi *dpi, in mtk_dpi_config_color_format() argument
356 mtk_dpi_config_yuv422_enable(dpi, false); in mtk_dpi_config_color_format()
357 mtk_dpi_config_csc_enable(dpi, false); in mtk_dpi_config_color_format()
358 mtk_dpi_config_swap_input(dpi, false); in mtk_dpi_config_color_format()
359 mtk_dpi_config_channel_swap(dpi, MTK_DPI_OUT_CHANNEL_SWAP_RGB); in mtk_dpi_config_color_format()
362 static void mtk_dpi_power_off(struct mtk_dpi *dpi) in mtk_dpi_power_off() argument
364 if (WARN_ON(dpi->refcount == 0)) in mtk_dpi_power_off()
367 if (--dpi->refcount != 0) in mtk_dpi_power_off()
370 mtk_dpi_disable(dpi); in mtk_dpi_power_off()
371 clk_disable_unprepare(dpi->pixel_clk); in mtk_dpi_power_off()
372 clk_disable_unprepare(dpi->engine_clk); in mtk_dpi_power_off()
375 static int mtk_dpi_power_on(struct mtk_dpi *dpi) in mtk_dpi_power_on() argument
379 if (++dpi->refcount != 1) in mtk_dpi_power_on()
382 ret = clk_prepare_enable(dpi->engine_clk); in mtk_dpi_power_on()
384 dev_err(dpi->dev, "Failed to enable engine clock: %d\n", ret); in mtk_dpi_power_on()
388 ret = clk_prepare_enable(dpi->pixel_clk); in mtk_dpi_power_on()
390 dev_err(dpi->dev, "Failed to enable pixel clock: %d\n", ret); in mtk_dpi_power_on()
397 clk_disable_unprepare(dpi->engine_clk); in mtk_dpi_power_on()
399 dpi->refcount--; in mtk_dpi_power_on()
403 static int mtk_dpi_set_display_mode(struct mtk_dpi *dpi, in mtk_dpi_set_display_mode() argument
418 factor = dpi->conf->cal_factor(mode->clock); in mtk_dpi_set_display_mode()
422 dev_dbg(dpi->dev, "Want PLL %lu Hz, pixel clock %lu Hz\n", in mtk_dpi_set_display_mode()
425 clk_set_rate(dpi->tvd_clk, pll_rate); in mtk_dpi_set_display_mode()
426 pll_rate = clk_get_rate(dpi->tvd_clk); in mtk_dpi_set_display_mode()
429 clk_set_rate(dpi->pixel_clk, vm.pixelclock); in mtk_dpi_set_display_mode()
430 vm.pixelclock = clk_get_rate(dpi->pixel_clk); in mtk_dpi_set_display_mode()
432 dev_dbg(dpi->dev, "Got PLL %lu Hz, pixel clock %lu Hz\n", in mtk_dpi_set_display_mode()
470 mtk_dpi_sw_reset(dpi, true); in mtk_dpi_set_display_mode()
471 mtk_dpi_config_pol(dpi, &dpi_pol); in mtk_dpi_set_display_mode()
473 mtk_dpi_config_hsync(dpi, &hsync); in mtk_dpi_set_display_mode()
474 mtk_dpi_config_vsync_lodd(dpi, &vsync_lodd); in mtk_dpi_set_display_mode()
475 mtk_dpi_config_vsync_rodd(dpi, &vsync_rodd); in mtk_dpi_set_display_mode()
476 mtk_dpi_config_vsync_leven(dpi, &vsync_leven); in mtk_dpi_set_display_mode()
477 mtk_dpi_config_vsync_reven(dpi, &vsync_reven); in mtk_dpi_set_display_mode()
479 mtk_dpi_config_3d(dpi, !!(mode->flags & DRM_MODE_FLAG_3D_MASK)); in mtk_dpi_set_display_mode()
480 mtk_dpi_config_interface(dpi, !!(vm.flags & in mtk_dpi_set_display_mode()
483 mtk_dpi_config_fb_size(dpi, vm.hactive, vm.vactive >> 1); in mtk_dpi_set_display_mode()
485 mtk_dpi_config_fb_size(dpi, vm.hactive, vm.vactive); in mtk_dpi_set_display_mode()
487 mtk_dpi_config_channel_limit(dpi, &limit); in mtk_dpi_set_display_mode()
488 mtk_dpi_config_bit_num(dpi, dpi->bit_num); in mtk_dpi_set_display_mode()
489 mtk_dpi_config_channel_swap(dpi, dpi->channel_swap); in mtk_dpi_set_display_mode()
490 mtk_dpi_config_yc_map(dpi, dpi->yc_map); in mtk_dpi_set_display_mode()
491 mtk_dpi_config_color_format(dpi, dpi->color_format); in mtk_dpi_set_display_mode()
492 mtk_dpi_config_2n_h_fre(dpi); in mtk_dpi_set_display_mode()
493 mtk_dpi_config_disable_edge(dpi); in mtk_dpi_set_display_mode()
494 mtk_dpi_sw_reset(dpi, false); in mtk_dpi_set_display_mode()
502 struct mtk_dpi *dpi = bridge_to_dpi(bridge); in mtk_dpi_bridge_attach() local
504 return drm_bridge_attach(bridge->encoder, dpi->next_bridge, in mtk_dpi_bridge_attach()
505 &dpi->bridge, flags); in mtk_dpi_bridge_attach()
512 struct mtk_dpi *dpi = bridge_to_dpi(bridge); in mtk_dpi_bridge_mode_set() local
514 drm_mode_copy(&dpi->mode, adjusted_mode); in mtk_dpi_bridge_mode_set()
519 struct mtk_dpi *dpi = bridge_to_dpi(bridge); in mtk_dpi_bridge_disable() local
521 mtk_dpi_power_off(dpi); in mtk_dpi_bridge_disable()
523 if (dpi->pinctrl && dpi->pins_gpio) in mtk_dpi_bridge_disable()
524 pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); in mtk_dpi_bridge_disable()
529 struct mtk_dpi *dpi = bridge_to_dpi(bridge); in mtk_dpi_bridge_enable() local
531 if (dpi->pinctrl && dpi->pins_dpi) in mtk_dpi_bridge_enable()
532 pinctrl_select_state(dpi->pinctrl, dpi->pins_dpi); in mtk_dpi_bridge_enable()
534 mtk_dpi_power_on(dpi); in mtk_dpi_bridge_enable()
535 mtk_dpi_set_display_mode(dpi, &dpi->mode); in mtk_dpi_bridge_enable()
536 mtk_dpi_enable(dpi); in mtk_dpi_bridge_enable()
548 struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp); in mtk_dpi_start() local
550 mtk_dpi_power_on(dpi); in mtk_dpi_start()
555 struct mtk_dpi *dpi = container_of(comp, struct mtk_dpi, ddp_comp); in mtk_dpi_stop() local
557 mtk_dpi_power_off(dpi); in mtk_dpi_stop()
567 struct mtk_dpi *dpi = dev_get_drvdata(dev); in mtk_dpi_bind() local
571 ret = mtk_ddp_comp_register(drm_dev, &dpi->ddp_comp); in mtk_dpi_bind()
578 ret = drm_simple_encoder_init(drm_dev, &dpi->encoder, in mtk_dpi_bind()
585 dpi->encoder.possible_crtcs = mtk_drm_find_possible_crtc_by_comp(drm_dev, dpi->ddp_comp); in mtk_dpi_bind()
587 ret = drm_bridge_attach(&dpi->encoder, &dpi->bridge, NULL, 0); in mtk_dpi_bind()
593 dpi->bit_num = MTK_DPI_OUT_BIT_NUM_8BITS; in mtk_dpi_bind()
594 dpi->channel_swap = MTK_DPI_OUT_CHANNEL_SWAP_RGB; in mtk_dpi_bind()
595 dpi->yc_map = MTK_DPI_OUT_YC_MAP_RGB; in mtk_dpi_bind()
596 dpi->color_format = MTK_DPI_COLOR_FORMAT_RGB; in mtk_dpi_bind()
601 drm_encoder_cleanup(&dpi->encoder); in mtk_dpi_bind()
603 mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp); in mtk_dpi_bind()
610 struct mtk_dpi *dpi = dev_get_drvdata(dev); in mtk_dpi_unbind() local
613 drm_encoder_cleanup(&dpi->encoder); in mtk_dpi_unbind()
614 mtk_ddp_comp_unregister(drm_dev, &dpi->ddp_comp); in mtk_dpi_unbind()
673 struct mtk_dpi *dpi; in mtk_dpi_probe() local
678 dpi = devm_kzalloc(dev, sizeof(*dpi), GFP_KERNEL); in mtk_dpi_probe()
679 if (!dpi) in mtk_dpi_probe()
682 dpi->dev = dev; in mtk_dpi_probe()
683 dpi->conf = (struct mtk_dpi_conf *)of_device_get_match_data(dev); in mtk_dpi_probe()
685 dpi->pinctrl = devm_pinctrl_get(&pdev->dev); in mtk_dpi_probe()
686 if (IS_ERR(dpi->pinctrl)) { in mtk_dpi_probe()
687 dpi->pinctrl = NULL; in mtk_dpi_probe()
690 if (dpi->pinctrl) { in mtk_dpi_probe()
691 dpi->pins_gpio = pinctrl_lookup_state(dpi->pinctrl, "sleep"); in mtk_dpi_probe()
692 if (IS_ERR(dpi->pins_gpio)) { in mtk_dpi_probe()
693 dpi->pins_gpio = NULL; in mtk_dpi_probe()
696 if (dpi->pins_gpio) in mtk_dpi_probe()
697 pinctrl_select_state(dpi->pinctrl, dpi->pins_gpio); in mtk_dpi_probe()
699 dpi->pins_dpi = pinctrl_lookup_state(dpi->pinctrl, "default"); in mtk_dpi_probe()
700 if (IS_ERR(dpi->pins_dpi)) { in mtk_dpi_probe()
701 dpi->pins_dpi = NULL; in mtk_dpi_probe()
706 dpi->regs = devm_ioremap_resource(dev, mem); in mtk_dpi_probe()
707 if (IS_ERR(dpi->regs)) { in mtk_dpi_probe()
708 ret = PTR_ERR(dpi->regs); in mtk_dpi_probe()
713 dpi->engine_clk = devm_clk_get(dev, "engine"); in mtk_dpi_probe()
714 if (IS_ERR(dpi->engine_clk)) { in mtk_dpi_probe()
715 ret = PTR_ERR(dpi->engine_clk); in mtk_dpi_probe()
722 dpi->pixel_clk = devm_clk_get(dev, "pixel"); in mtk_dpi_probe()
723 if (IS_ERR(dpi->pixel_clk)) { in mtk_dpi_probe()
724 ret = PTR_ERR(dpi->pixel_clk); in mtk_dpi_probe()
731 dpi->tvd_clk = devm_clk_get(dev, "pll"); in mtk_dpi_probe()
732 if (IS_ERR(dpi->tvd_clk)) { in mtk_dpi_probe()
733 ret = PTR_ERR(dpi->tvd_clk); in mtk_dpi_probe()
740 dpi->irq = platform_get_irq(pdev, 0); in mtk_dpi_probe()
741 if (dpi->irq <= 0) { in mtk_dpi_probe()
742 dev_err(dev, "Failed to get irq: %d\n", dpi->irq); in mtk_dpi_probe()
747 NULL, &dpi->next_bridge); in mtk_dpi_probe()
751 dev_info(dev, "Found bridge node: %pOF\n", dpi->next_bridge->of_node); in mtk_dpi_probe()
759 ret = mtk_ddp_comp_init(dev, dev->of_node, &dpi->ddp_comp, comp_id, in mtk_dpi_probe()
766 platform_set_drvdata(pdev, dpi); in mtk_dpi_probe()
768 dpi->bridge.funcs = &mtk_dpi_bridge_funcs; in mtk_dpi_probe()
769 dpi->bridge.of_node = dev->of_node; in mtk_dpi_probe()
770 dpi->bridge.type = DRM_MODE_CONNECTOR_DPI; in mtk_dpi_probe()
772 drm_bridge_add(&dpi->bridge); in mtk_dpi_probe()
776 drm_bridge_remove(&dpi->bridge); in mtk_dpi_probe()
786 struct mtk_dpi *dpi = platform_get_drvdata(pdev); in mtk_dpi_remove() local
789 drm_bridge_remove(&dpi->bridge); in mtk_dpi_remove()