Lines Matching full:dpi
21 #define DSS_SUBSYS_NAME "DPI"
61 static enum dss_clk_source dpi_get_clk_src_dra7xx(struct dpi_data *dpi, in dpi_get_clk_src_dra7xx() argument
74 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1)) in dpi_get_clk_src_dra7xx()
80 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
82 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3)) in dpi_get_clk_src_dra7xx()
88 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1)) in dpi_get_clk_src_dra7xx()
90 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
101 static enum dss_clk_source dpi_get_clk_src(struct dpi_data *dpi) in dpi_get_clk_src() argument
103 enum omap_channel channel = dpi->output.dispc_channel; in dpi_get_clk_src()
106 * XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL in dpi_get_clk_src()
107 * would also be used for DISPC fclk. Meaning, when the DPI output is in dpi_get_clk_src()
110 switch (dpi->dss_model) { in dpi_get_clk_src()
137 return dpi_get_clk_src_dra7xx(dpi, channel); in dpi_get_clk_src()
145 struct dpi_data *dpi; member
194 return dispc_div_calc(ctx->dpi->dss->dispc, dispc, in dpi_calc_hsdiv_cb()
211 return dss_pll_hsdiv_calc_a(ctx->dpi->pll, clkdco, in dpi_calc_pll_cb()
212 ctx->pck_min, dss_get_max_fck_rate(ctx->dpi->dss), in dpi_calc_pll_cb()
222 return dispc_div_calc(ctx->dpi->dss->dispc, fck, in dpi_calc_dss_cb()
227 static bool dpi_pll_clk_calc(struct dpi_data *dpi, unsigned long pck, in dpi_pll_clk_calc() argument
233 ctx->dpi = dpi; in dpi_pll_clk_calc()
234 ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src); in dpi_pll_clk_calc()
236 clkin = clk_get_rate(dpi->pll->clkin); in dpi_pll_clk_calc()
238 if (dpi->pll->hw->type == DSS_PLL_TYPE_A) { in dpi_pll_clk_calc()
247 return dss_pll_calc_a(ctx->dpi->pll, clkin, in dpi_pll_clk_calc()
251 dss_pll_calc_b(dpi->pll, clkin, pck, &ctx->pll_cinfo); in dpi_pll_clk_calc()
262 static bool dpi_dss_clk_calc(struct dpi_data *dpi, unsigned long pck, in dpi_dss_clk_calc() argument
278 ctx->dpi = dpi; in dpi_dss_clk_calc()
285 ok = dss_div_calc(dpi->dss, pck, ctx->pck_min, in dpi_dss_clk_calc()
296 static int dpi_set_pll_clk(struct dpi_data *dpi, enum omap_channel channel, in dpi_set_pll_clk() argument
304 ok = dpi_pll_clk_calc(dpi, pck_req, &ctx); in dpi_set_pll_clk()
308 r = dss_pll_set_config(dpi->pll, &ctx.pll_cinfo); in dpi_set_pll_clk()
312 dss_select_lcd_clk_source(dpi->dss, channel, dpi->clk_src); in dpi_set_pll_clk()
314 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_pll_clk()
323 static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req, in dpi_set_dispc_clk() argument
330 ok = dpi_dss_clk_calc(dpi, pck_req, &ctx); in dpi_set_dispc_clk()
334 r = dss_set_fck_rate(dpi->dss, ctx.fck); in dpi_set_dispc_clk()
338 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_dispc_clk()
347 static int dpi_set_mode(struct dpi_data *dpi) in dpi_set_mode() argument
349 struct videomode *vm = &dpi->vm; in dpi_set_mode()
355 if (dpi->pll) in dpi_set_mode()
356 r = dpi_set_pll_clk(dpi, dpi->output.dispc_channel, in dpi_set_mode()
359 r = dpi_set_dispc_clk(dpi, vm->pixelclock, &fck, in dpi_set_mode()
373 dss_mgr_set_timings(&dpi->output, vm); in dpi_set_mode()
378 static void dpi_config_lcd_manager(struct dpi_data *dpi) in dpi_config_lcd_manager() argument
380 dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS; in dpi_config_lcd_manager()
382 dpi->mgr_config.stallmode = false; in dpi_config_lcd_manager()
383 dpi->mgr_config.fifohandcheck = false; in dpi_config_lcd_manager()
385 dpi->mgr_config.video_port_width = dpi->data_lines; in dpi_config_lcd_manager()
387 dpi->mgr_config.lcden_sig_polarity = 0; in dpi_config_lcd_manager()
389 dss_mgr_set_lcd_config(&dpi->output, &dpi->mgr_config); in dpi_config_lcd_manager()
394 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_display_enable() local
395 struct omap_dss_device *out = &dpi->output; in dpi_display_enable()
398 mutex_lock(&dpi->lock); in dpi_display_enable()
406 if (dpi->vdds_dsi_reg) { in dpi_display_enable()
407 r = regulator_enable(dpi->vdds_dsi_reg); in dpi_display_enable()
412 r = dispc_runtime_get(dpi->dss->dispc); in dpi_display_enable()
416 r = dss_dpi_select_source(dpi->dss, out->port_num, out->dispc_channel); in dpi_display_enable()
420 if (dpi->pll) { in dpi_display_enable()
421 r = dss_pll_enable(dpi->pll); in dpi_display_enable()
426 r = dpi_set_mode(dpi); in dpi_display_enable()
430 dpi_config_lcd_manager(dpi); in dpi_display_enable()
434 r = dss_mgr_enable(&dpi->output); in dpi_display_enable()
438 mutex_unlock(&dpi->lock); in dpi_display_enable()
444 if (dpi->pll) in dpi_display_enable()
445 dss_pll_disable(dpi->pll); in dpi_display_enable()
448 dispc_runtime_put(dpi->dss->dispc); in dpi_display_enable()
450 if (dpi->vdds_dsi_reg) in dpi_display_enable()
451 regulator_disable(dpi->vdds_dsi_reg); in dpi_display_enable()
454 mutex_unlock(&dpi->lock); in dpi_display_enable()
460 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_display_disable() local
462 mutex_lock(&dpi->lock); in dpi_display_disable()
464 dss_mgr_disable(&dpi->output); in dpi_display_disable()
466 if (dpi->pll) { in dpi_display_disable()
467 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel, in dpi_display_disable()
469 dss_pll_disable(dpi->pll); in dpi_display_disable()
472 dispc_runtime_put(dpi->dss->dispc); in dpi_display_disable()
474 if (dpi->vdds_dsi_reg) in dpi_display_disable()
475 regulator_disable(dpi->vdds_dsi_reg); in dpi_display_disable()
477 mutex_unlock(&dpi->lock); in dpi_display_disable()
483 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_set_timings() local
487 mutex_lock(&dpi->lock); in dpi_set_timings()
489 dpi->vm = *vm; in dpi_set_timings()
491 mutex_unlock(&dpi->lock); in dpi_set_timings()
497 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_get_timings() local
499 mutex_lock(&dpi->lock); in dpi_get_timings()
501 *vm = dpi->vm; in dpi_get_timings()
503 mutex_unlock(&dpi->lock); in dpi_get_timings()
509 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_check_timings() local
510 enum omap_channel channel = dpi->output.dispc_channel; in dpi_check_timings()
520 if (!dispc_mgr_timings_ok(dpi->dss->dispc, channel, vm)) in dpi_check_timings()
526 if (dpi->pll) { in dpi_check_timings()
527 ok = dpi_pll_clk_calc(dpi, vm->pixelclock, &ctx); in dpi_check_timings()
533 ok = dpi_dss_clk_calc(dpi, vm->pixelclock, &ctx); in dpi_check_timings()
571 static int dpi_init_regulator(struct dpi_data *dpi) in dpi_init_regulator() argument
576 * The DPI uses the DSI VDDS on OMAP34xx, OMAP35xx, OMAP36xx, AM37xx and in dpi_init_regulator()
582 if (dpi->vdds_dsi_reg) in dpi_init_regulator()
585 vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); in dpi_init_regulator()
592 dpi->vdds_dsi_reg = vdds_dsi; in dpi_init_regulator()
597 static void dpi_init_pll(struct dpi_data *dpi) in dpi_init_pll() argument
601 if (dpi->pll) in dpi_init_pll()
604 dpi->clk_src = dpi_get_clk_src(dpi); in dpi_init_pll()
606 pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src); in dpi_init_pll()
615 dpi->pll = pll; in dpi_init_pll()
619 * Return a hardcoded channel for the DPI output. This should work for
624 static enum omap_channel dpi_get_channel(struct dpi_data *dpi, int port_num) in dpi_get_channel() argument
626 switch (dpi->dss_model) { in dpi_get_channel()
657 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_connect() local
660 r = dpi_init_regulator(dpi); in dpi_connect()
664 dpi_init_pll(dpi); in dpi_connect()
666 r = dss_mgr_connect(&dpi->output, dssdev); in dpi_connect()
674 dss_mgr_disconnect(&dpi->output, dssdev); in dpi_connect()
684 struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev); in dpi_disconnect() local
693 dss_mgr_disconnect(&dpi->output, dssdev); in dpi_disconnect()
708 static void dpi_init_output_port(struct dpi_data *dpi, struct device_node *port) in dpi_init_output_port() argument
710 struct omap_dss_device *out = &dpi->output; in dpi_init_output_port()
720 out->name = "dpi.2"; in dpi_init_output_port()
723 out->name = "dpi.1"; in dpi_init_output_port()
727 out->name = "dpi.0"; in dpi_init_output_port()
731 out->dev = &dpi->pdev->dev; in dpi_init_output_port()
734 out->dispc_channel = dpi_get_channel(dpi, port_num); in dpi_init_output_port()
736 out->ops.dpi = &dpi_ops; in dpi_init_output_port()
744 struct dpi_data *dpi = port->data; in dpi_uninit_output_port() local
745 struct omap_dss_device *out = &dpi->output; in dpi_uninit_output_port()
753 struct dpi_data *dpi; in dpi_init_port() local
758 dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL); in dpi_init_port()
759 if (!dpi) in dpi_init_port()
772 dpi->data_lines = datalines; in dpi_init_port()
776 dpi->pdev = pdev; in dpi_init_port()
777 dpi->dss_model = dss_model; in dpi_init_port()
778 dpi->dss = dss; in dpi_init_port()
779 port->data = dpi; in dpi_init_port()
781 mutex_init(&dpi->lock); in dpi_init_port()
783 dpi_init_output_port(dpi, port); in dpi_init_port()
795 struct dpi_data *dpi = port->data; in dpi_uninit_port() local
797 if (!dpi) in dpi_uninit_port()