Lines Matching refs:dpi
53 static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi,
66 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1))
72 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3))
74 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3))
80 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1))
82 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3))
93 static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi)
95 enum omap_channel channel = dpi->output.dispc_channel;
102 switch (dpi->dss_model) {
129 return dpi_get_clk_src_dra7xx(dpi, channel);
137 struct dpi_data *dpi;
186 return dispc_div_calc(ctx->dpi->dss->dispc, dispc,
203 return dss_pll_hsdiv_calc_a(ctx->dpi->pll, clkdco,
204 ctx->pck_min, dss_get_max_fck_rate(ctx->dpi->dss),
214 return dispc_div_calc(ctx->dpi->dss->dispc, fck,
219 static bool dpi_pll_clk_calc(struct dpi_data *dpi, unsigned long pck,
225 ctx->dpi = dpi;
226 ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src);
228 clkin = clk_get_rate(dpi->pll->clkin);
230 if (dpi->pll->hw->type == DSS_PLL_TYPE_A) {
239 return dss_pll_calc_a(ctx->dpi->pll, clkin,
243 dss_pll_calc_b(dpi->pll, clkin, pck, &ctx->pll_cinfo);
254 static bool dpi_dss_clk_calc(struct dpi_data *dpi, unsigned long pck,
270 ctx->dpi = dpi;
277 ok = dss_div_calc(dpi->dss, pck, ctx->pck_min,
288 static int dpi_set_pll_clk(struct dpi_data *dpi, unsigned long pck_req)
294 ok = dpi_pll_clk_calc(dpi, pck_req, &ctx);
298 r = dss_pll_set_config(dpi->pll, &ctx.pll_cinfo);
302 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel,
303 dpi->clk_src);
305 dpi->mgr_config.clock_info = ctx.dispc_cinfo;
310 static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req)
316 ok = dpi_dss_clk_calc(dpi, pck_req, &ctx);
320 r = dss_set_fck_rate(dpi->dss, ctx.fck);
324 dpi->mgr_config.clock_info = ctx.dispc_cinfo;
329 static int dpi_set_mode(struct dpi_data *dpi)
333 if (dpi->pll)
334 r = dpi_set_pll_clk(dpi, dpi->pixelclock);
336 r = dpi_set_dispc_clk(dpi, dpi->pixelclock);
341 static void dpi_config_lcd_manager(struct dpi_data *dpi)
343 dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
345 dpi->mgr_config.stallmode = false;
346 dpi->mgr_config.fifohandcheck = false;
348 dpi->mgr_config.video_port_width = dpi->data_lines;
350 dpi->mgr_config.lcden_sig_polarity = 0;
352 dss_mgr_set_lcd_config(&dpi->output, &dpi->mgr_config);
355 static int dpi_clock_update(struct dpi_data *dpi, unsigned long *clock)
361 if (dpi->pll) {
362 if (!dpi_pll_clk_calc(dpi, *clock, &ctx))
367 if (!dpi_dss_clk_calc(dpi, *clock, &ctx))
396 static void dpi_init_pll(struct dpi_data *dpi)
400 if (dpi->pll)
403 dpi->clk_src = dpi_get_clk_src(dpi);
405 pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src);
414 dpi->pll = pll;
424 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
429 dpi_init_pll(dpi);
431 return drm_bridge_attach(bridge->encoder, dpi->output.next_bridge,
440 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
450 ret = dpi_clock_update(dpi, &clock);
461 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
465 ret = dpi_clock_update(dpi, &clock);
478 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
480 dpi->pixelclock = adjusted_mode->clock * 1000;
485 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
488 if (dpi->vdds_dsi_reg) {
489 r = regulator_enable(dpi->vdds_dsi_reg);
494 r = dispc_runtime_get(dpi->dss->dispc);
498 r = dss_dpi_select_source(dpi->dss, dpi->id, dpi->output.dispc_channel);
502 if (dpi->pll) {
503 r = dss_pll_enable(dpi->pll);
508 r = dpi_set_mode(dpi);
512 dpi_config_lcd_manager(dpi);
516 r = dss_mgr_enable(&dpi->output);
524 if (dpi->pll)
525 dss_pll_disable(dpi->pll);
528 dispc_runtime_put(dpi->dss->dispc);
530 if (dpi->vdds_dsi_reg)
531 regulator_disable(dpi->vdds_dsi_reg);
536 struct dpi_data *dpi = drm_bridge_to_dpi(bridge);
538 dss_mgr_disable(&dpi->output);
540 if (dpi->pll) {
541 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel,
543 dss_pll_disable(dpi->pll);
546 dispc_runtime_put(dpi->dss->dispc);
548 if (dpi->vdds_dsi_reg)
549 regulator_disable(dpi->vdds_dsi_reg);
561 static void dpi_bridge_init(struct dpi_data *dpi)
563 dpi->bridge.funcs = &dpi_bridge_funcs;
564 dpi->bridge.of_node = dpi->pdev->dev.of_node;
565 dpi->bridge.type = DRM_MODE_CONNECTOR_DPI;
567 drm_bridge_add(&dpi->bridge);
570 static void dpi_bridge_cleanup(struct dpi_data *dpi)
572 drm_bridge_remove(&dpi->bridge);
585 static enum omap_channel dpi_get_channel(struct dpi_data *dpi)
587 switch (dpi->dss_model) {
593 switch (dpi->id) {
615 static int dpi_init_output_port(struct dpi_data *dpi, struct device_node *port)
617 struct omap_dss_device *out = &dpi->output;
621 dpi_bridge_init(dpi);
624 dpi->id = port_num <= 2 ? port_num : 0;
628 out->name = "dpi.2";
631 out->name = "dpi.1";
635 out->name = "dpi.0";
639 out->dev = &dpi->pdev->dev;
642 out->dispc_channel = dpi_get_channel(dpi);
645 r = omapdss_device_init_output(out, &dpi->bridge);
647 dpi_bridge_cleanup(dpi);
658 struct dpi_data *dpi = port->data;
659 struct omap_dss_device *out = &dpi->output;
664 dpi_bridge_cleanup(dpi);
677 static int dpi_init_regulator(struct dpi_data *dpi)
688 vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi");
695 dpi->vdds_dsi_reg = vdds_dsi;
703 struct dpi_data *dpi;
708 dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
709 if (!dpi)
723 dpi->data_lines = datalines;
725 dpi->pdev = pdev;
726 dpi->dss_model = dss_model;
727 dpi->dss = dss;
728 port->data = dpi;
730 r = dpi_init_regulator(dpi);
734 return dpi_init_output_port(dpi, port);
739 struct dpi_data *dpi = port->data;
741 if (!dpi)