drm/tegra/rgb.c

15 #include "dc.h"
19 	struct tegra_dc *dc;
81 static void tegra_dc_write_regs(struct tegra_dc *dc,
88 		tegra_dc_writel(dc, table[i].value, table[i].offset);
96 	tegra_dc_write_regs(rgb->dc, rgb_disable, ARRAY_SIZE(rgb_disable));
97 	tegra_dc_commit(rgb->dc);
107 	tegra_dc_write_regs(rgb->dc, rgb_enable, ARRAY_SIZE(rgb_enable));
110 	tegra_dc_writel(rgb->dc, value, DC_DISP_DATA_ENABLE_OPTIONS);
113 	value = tegra_dc_readl(rgb->dc, DC_COM_PIN_OUTPUT_POLARITY(1));
125 	tegra_dc_writel(rgb->dc, value, DC_COM_PIN_OUTPUT_POLARITY(1));
130 	tegra_dc_writel(rgb->dc, value, DC_DISP_DISP_INTERFACE_CONTROL);
132 	tegra_dc_commit(rgb->dc);
153 	struct tegra_dc *dc = to_tegra_dc(conn_state->crtc);
187 	err = tegra_dc_state_setup_clock(dc, crtc_state, rgb->clk_parent,
208 int tegra_dc_rgb_probe(struct tegra_dc *dc)
214 	np = of_get_child_by_name(dc->dev->of_node, "rgb");
218 	err = devm_add_action_or_reset(dc->dev, tegra_dc_of_node_put, np);
225 	rgb = devm_kzalloc(dc->dev, sizeof(*rgb), GFP_KERNEL);
229 	rgb->output.dev = dc->dev;
231 	rgb->dc = dc;
237 	rgb->clk = devm_clk_get(dc->dev, NULL);
239 		dev_err(dc->dev, "failed to get clock\n");
244 	rgb->clk_parent = devm_clk_get(dc->dev, "parent");
246 		dev_err(dc->dev, "failed to get parent clock\n");
253 		dev_err(dc->dev, "failed to set parent clock: %d\n", err);
260 		dev_err(dc->dev, "failed to get pll_d_out0: %d\n", err);
264 	if (dc->soc->has_pll_d2_out0) {
268 			dev_err(dc->dev, "failed to get pll_d2_out0: %d\n", err);
273 	dc->rgb = &rgb->output;
284 void tegra_dc_rgb_remove(struct tegra_dc *dc)
288 	if (!dc->rgb)
291 	rgb = to_rgb(dc->rgb);
295 	tegra_output_remove(dc->rgb);
296 	dc->rgb = NULL;
299 int tegra_dc_rgb_init(struct drm_device *drm, struct tegra_dc *dc)
301 	struct tegra_output *output = dc->rgb;
305 	if (!dc->rgb)
373 	output->encoder.possible_crtcs = drm_crtc_mask(&dc->base);
378 int tegra_dc_rgb_exit(struct tegra_dc *dc)
380 	if (dc->rgb)
381 		tegra_output_exit(dc->rgb);