Lines Matching +full:pll +full:- +full:mode
1 // SPDX-License-Identifier: GPL-2.0-only
38 struct dss_pll *pll; member
50 /* -----------------------------------------------------------------------------
51 * Clock Handling and PLL
67 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_1)) in dpi_get_clk_src_dra7xx()
73 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
75 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_3)) in dpi_get_clk_src_dra7xx()
81 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL2_1)) in dpi_get_clk_src_dra7xx()
83 if (dss_pll_find_by_src(dpi->dss, DSS_CLK_SRC_PLL1_3)) in dpi_get_clk_src_dra7xx()
96 enum omap_channel channel = dpi->output.dispc_channel; in dpi_get_clk_src()
99 * XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL in dpi_get_clk_src()
103 switch (dpi->dss_model) { in dpi_get_clk_src()
162 if (ctx->pck_min >= 100000000) { in dpi_calc_dispc_cb()
170 ctx->dispc_cinfo.lck_div = lckd; in dpi_calc_dispc_cb()
171 ctx->dispc_cinfo.pck_div = pckd; in dpi_calc_dispc_cb()
172 ctx->dispc_cinfo.lck = lck; in dpi_calc_dispc_cb()
173 ctx->dispc_cinfo.pck = pck; in dpi_calc_dispc_cb()
184 ctx->pll_cinfo.mX[ctx->clkout_idx] = m_dispc; in dpi_calc_hsdiv_cb()
185 ctx->pll_cinfo.clkout[ctx->clkout_idx] = dispc; in dpi_calc_hsdiv_cb()
187 return dispc_div_calc(ctx->dpi->dss->dispc, dispc, in dpi_calc_hsdiv_cb()
188 ctx->pck_min, ctx->pck_max, in dpi_calc_hsdiv_cb()
199 ctx->pll_cinfo.n = n; in dpi_calc_pll_cb()
200 ctx->pll_cinfo.m = m; in dpi_calc_pll_cb()
201 ctx->pll_cinfo.fint = fint; in dpi_calc_pll_cb()
202 ctx->pll_cinfo.clkdco = clkdco; in dpi_calc_pll_cb()
204 return dss_pll_hsdiv_calc_a(ctx->dpi->pll, clkdco, in dpi_calc_pll_cb()
205 ctx->pck_min, dss_get_max_fck_rate(ctx->dpi->dss), in dpi_calc_pll_cb()
213 ctx->fck = fck; in dpi_calc_dss_cb()
215 return dispc_div_calc(ctx->dpi->dss->dispc, fck, in dpi_calc_dss_cb()
216 ctx->pck_min, ctx->pck_max, in dpi_calc_dss_cb()
226 ctx->dpi = dpi; in dpi_pll_clk_calc()
227 ctx->clkout_idx = dss_pll_get_clkout_idx_for_src(dpi->clk_src); in dpi_pll_clk_calc()
229 clkin = clk_get_rate(dpi->pll->clkin); in dpi_pll_clk_calc()
231 if (dpi->pll->hw->type == DSS_PLL_TYPE_A) { in dpi_pll_clk_calc()
234 ctx->pck_min = pck - 1000; in dpi_pll_clk_calc()
235 ctx->pck_max = pck + 1000; in dpi_pll_clk_calc()
240 return dss_pll_calc_a(ctx->dpi->pll, clkin, in dpi_pll_clk_calc()
244 dss_pll_calc_b(dpi->pll, clkin, pck, &ctx->pll_cinfo); in dpi_pll_clk_calc()
246 ctx->dispc_cinfo.lck_div = 1; in dpi_pll_clk_calc()
247 ctx->dispc_cinfo.pck_div = 1; in dpi_pll_clk_calc()
248 ctx->dispc_cinfo.lck = ctx->pll_cinfo.clkout[0]; in dpi_pll_clk_calc()
249 ctx->dispc_cinfo.pck = ctx->dispc_cinfo.lck; in dpi_pll_clk_calc()
264 * +/- ~15MHz. in dpi_dss_clk_calc()
271 ctx->dpi = dpi; in dpi_dss_clk_calc()
273 ctx->pck_min = max(pck - 1000 * i * i * i, 0lu); in dpi_dss_clk_calc()
275 ctx->pck_min = 0; in dpi_dss_clk_calc()
276 ctx->pck_max = pck + 1000 * i * i * i; in dpi_dss_clk_calc()
278 ok = dss_div_calc(dpi->dss, pck, ctx->pck_min, in dpi_dss_clk_calc()
297 return -EINVAL; in dpi_set_pll_clk()
299 r = dss_pll_set_config(dpi->pll, &ctx.pll_cinfo); in dpi_set_pll_clk()
303 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel, in dpi_set_pll_clk()
304 dpi->clk_src); in dpi_set_pll_clk()
306 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_pll_clk()
319 return -EINVAL; in dpi_set_dispc_clk()
321 r = dss_set_fck_rate(dpi->dss, ctx.fck); in dpi_set_dispc_clk()
325 dpi->mgr_config.clock_info = ctx.dispc_cinfo; in dpi_set_dispc_clk()
334 if (dpi->pll) in dpi_set_mode()
335 r = dpi_set_pll_clk(dpi, dpi->pixelclock); in dpi_set_mode()
337 r = dpi_set_dispc_clk(dpi, dpi->pixelclock); in dpi_set_mode()
344 dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS; in dpi_config_lcd_manager()
346 dpi->mgr_config.stallmode = false; in dpi_config_lcd_manager()
347 dpi->mgr_config.fifohandcheck = false; in dpi_config_lcd_manager()
349 dpi->mgr_config.video_port_width = dpi->data_lines; in dpi_config_lcd_manager()
351 dpi->mgr_config.lcden_sig_polarity = 0; in dpi_config_lcd_manager()
353 dss_mgr_set_lcd_config(&dpi->output, &dpi->mgr_config); in dpi_config_lcd_manager()
362 if (dpi->pll) { in dpi_clock_update()
364 return -EINVAL; in dpi_clock_update()
369 return -EINVAL; in dpi_clock_update()
382 static int dpi_verify_pll(struct dss_pll *pll) in dpi_verify_pll() argument
386 /* do initial setup with the PLL to see if it is operational */ in dpi_verify_pll()
388 r = dss_pll_enable(pll); in dpi_verify_pll()
392 dss_pll_disable(pll); in dpi_verify_pll()
399 struct dss_pll *pll; in dpi_init_pll() local
401 if (dpi->pll) in dpi_init_pll()
404 dpi->clk_src = dpi_get_clk_src(dpi); in dpi_init_pll()
406 pll = dss_pll_find_by_src(dpi->dss, dpi->clk_src); in dpi_init_pll()
407 if (!pll) in dpi_init_pll()
410 if (dpi_verify_pll(pll)) { in dpi_init_pll()
411 DSSWARN("PLL not operational\n"); in dpi_init_pll()
415 dpi->pll = pll; in dpi_init_pll()
418 /* -----------------------------------------------------------------------------
428 return -EINVAL; in dpi_bridge_attach()
432 return drm_bridge_attach(bridge->encoder, dpi->output.next_bridge, in dpi_bridge_attach()
439 const struct drm_display_mode *mode) in dpi_bridge_mode_valid() argument
442 unsigned long clock = mode->clock * 1000; in dpi_bridge_mode_valid()
445 if (mode->hdisplay % 8 != 0) in dpi_bridge_mode_valid()
448 if (mode->clock == 0) in dpi_bridge_mode_valid()
459 const struct drm_display_mode *mode, in dpi_bridge_mode_fixup() argument
463 unsigned long clock = mode->clock * 1000; in dpi_bridge_mode_fixup()
470 adjusted_mode->clock = clock / 1000; in dpi_bridge_mode_fixup()
476 const struct drm_display_mode *mode, in dpi_bridge_mode_set() argument
481 dpi->pixelclock = adjusted_mode->clock * 1000; in dpi_bridge_mode_set()
489 if (dpi->vdds_dsi_reg) { in dpi_bridge_enable()
490 r = regulator_enable(dpi->vdds_dsi_reg); in dpi_bridge_enable()
495 r = dispc_runtime_get(dpi->dss->dispc); in dpi_bridge_enable()
499 r = dss_dpi_select_source(dpi->dss, dpi->id, dpi->output.dispc_channel); in dpi_bridge_enable()
503 if (dpi->pll) { in dpi_bridge_enable()
504 r = dss_pll_enable(dpi->pll); in dpi_bridge_enable()
517 r = dss_mgr_enable(&dpi->output); in dpi_bridge_enable()
525 if (dpi->pll) in dpi_bridge_enable()
526 dss_pll_disable(dpi->pll); in dpi_bridge_enable()
529 dispc_runtime_put(dpi->dss->dispc); in dpi_bridge_enable()
531 if (dpi->vdds_dsi_reg) in dpi_bridge_enable()
532 regulator_disable(dpi->vdds_dsi_reg); in dpi_bridge_enable()
539 dss_mgr_disable(&dpi->output); in dpi_bridge_disable()
541 if (dpi->pll) { in dpi_bridge_disable()
542 dss_select_lcd_clk_source(dpi->dss, dpi->output.dispc_channel, in dpi_bridge_disable()
544 dss_pll_disable(dpi->pll); in dpi_bridge_disable()
547 dispc_runtime_put(dpi->dss->dispc); in dpi_bridge_disable()
549 if (dpi->vdds_dsi_reg) in dpi_bridge_disable()
550 regulator_disable(dpi->vdds_dsi_reg); in dpi_bridge_disable()
564 dpi->bridge.funcs = &dpi_bridge_funcs; in dpi_bridge_init()
565 dpi->bridge.of_node = dpi->pdev->dev.of_node; in dpi_bridge_init()
566 dpi->bridge.type = DRM_MODE_CONNECTOR_DPI; in dpi_bridge_init()
568 drm_bridge_add(&dpi->bridge); in dpi_bridge_init()
573 drm_bridge_remove(&dpi->bridge); in dpi_bridge_cleanup()
576 /* -----------------------------------------------------------------------------
588 switch (dpi->dss_model) { in dpi_get_channel()
594 switch (dpi->id) { in dpi_get_channel()
618 struct omap_dss_device *out = &dpi->output; in dpi_init_output_port()
625 dpi->id = port_num <= 2 ? port_num : 0; in dpi_init_output_port()
629 out->name = "dpi.2"; in dpi_init_output_port()
632 out->name = "dpi.1"; in dpi_init_output_port()
636 out->name = "dpi.0"; in dpi_init_output_port()
640 out->dev = &dpi->pdev->dev; in dpi_init_output_port()
641 out->id = OMAP_DSS_OUTPUT_DPI; in dpi_init_output_port()
642 out->type = OMAP_DISPLAY_TYPE_DPI; in dpi_init_output_port()
643 out->dispc_channel = dpi_get_channel(dpi); in dpi_init_output_port()
644 out->of_port = port_num; in dpi_init_output_port()
646 r = omapdss_device_init_output(out, &dpi->bridge); in dpi_init_output_port()
659 struct dpi_data *dpi = port->data; in dpi_uninit_output_port()
660 struct omap_dss_device *out = &dpi->output; in dpi_uninit_output_port()
668 /* -----------------------------------------------------------------------------
689 vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi"); in dpi_init_regulator()
691 if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER) in dpi_init_regulator()
696 dpi->vdds_dsi_reg = vdds_dsi; in dpi_init_regulator()
709 dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL); in dpi_init_port()
711 return -ENOMEM; in dpi_init_port()
717 r = of_property_read_u32(ep, "data-lines", &datalines); in dpi_init_port()
724 dpi->data_lines = datalines; in dpi_init_port()
726 dpi->pdev = pdev; in dpi_init_port()
727 dpi->dss_model = dss_model; in dpi_init_port()
728 dpi->dss = dss; in dpi_init_port()
729 port->data = dpi; in dpi_init_port()
740 struct dpi_data *dpi = port->data; in dpi_uninit_port()