49 	struct regulator *hdmi;  member
92 static inline u32 tegra_hdmi_readl(struct tegra_hdmi *hdmi,  in tegra_hdmi_readl()  argument
95 	return readl(hdmi->regs + (offset << 2));  in tegra_hdmi_readl()
98 static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, u32 value,  in tegra_hdmi_writel()  argument
101 	writel(value, hdmi->regs + (offset << 2));  in tegra_hdmi_writel()
452 static void tegra_hdmi_setup_audio_fs_tables(struct tegra_hdmi *hdmi)  in tegra_hdmi_setup_audio_fs_tables()  argument
475 		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_FS(i));  in tegra_hdmi_setup_audio_fs_tables()
479 static int tegra_hdmi_setup_audio(struct tegra_hdmi *hdmi, unsigned int pclk)  in tegra_hdmi_setup_audio()  argument
481 	struct device_node *node = hdmi->dev->of_node;  in tegra_hdmi_setup_audio()
486 	switch (hdmi->audio_source) {  in tegra_hdmi_setup_audio()
503 		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0);  in tegra_hdmi_setup_audio()
506 		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_AUDIO_CNTRL0);  in tegra_hdmi_setup_audio()
510 		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0);  in tegra_hdmi_setup_audio()
513 	config = tegra_hdmi_get_audio_config(hdmi->audio_freq, pclk);  in tegra_hdmi_setup_audio()
515 		dev_err(hdmi->dev, "cannot set audio to %u at %u pclk\n",  in tegra_hdmi_setup_audio()
516 			hdmi->audio_freq, pclk);  in tegra_hdmi_setup_audio()
520 	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_HDMI_ACR_CTRL);  in tegra_hdmi_setup_audio()
524 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N);  in tegra_hdmi_setup_audio()
526 	tegra_hdmi_writel(hdmi, ACR_SUBPACK_N(config->n) | ACR_ENABLE,  in tegra_hdmi_setup_audio()
530 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW);  in tegra_hdmi_setup_audio()
533 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_SPARE);  in tegra_hdmi_setup_audio()
535 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_AUDIO_N);  in tegra_hdmi_setup_audio()
537 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N);  in tegra_hdmi_setup_audio()
540 		switch (hdmi->audio_freq) {  in tegra_hdmi_setup_audio()
570 		tegra_hdmi_writel(hdmi, config->aval, offset);  in tegra_hdmi_setup_audio()
573 	tegra_hdmi_setup_audio_fs_tables(hdmi);  in tegra_hdmi_setup_audio()
589 static void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi, const void *data,  in tegra_hdmi_write_infopack()  argument
611 		dev_err(hdmi->dev, "unsupported infoframe type: %02x\n",  in tegra_hdmi_write_infopack()
619 	tegra_hdmi_writel(hdmi, value, offset);  in tegra_hdmi_write_infopack()
631 		tegra_hdmi_writel(hdmi, value, offset++);  in tegra_hdmi_write_infopack()
636 		tegra_hdmi_writel(hdmi, value, offset++);  in tegra_hdmi_write_infopack()
640 static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi,  in tegra_hdmi_setup_avi_infoframe()  argument
647 	if (hdmi->dvi) {  in tegra_hdmi_setup_avi_infoframe()
648 		tegra_hdmi_writel(hdmi, 0,  in tegra_hdmi_setup_avi_infoframe()
655 		dev_err(hdmi->dev, "failed to setup AVI infoframe: %zd\n", err);  in tegra_hdmi_setup_avi_infoframe()
661 		dev_err(hdmi->dev, "failed to pack AVI infoframe: %zd\n", err);  in tegra_hdmi_setup_avi_infoframe()
665 	tegra_hdmi_write_infopack(hdmi, buffer, err);  in tegra_hdmi_setup_avi_infoframe()
667 	tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE,  in tegra_hdmi_setup_avi_infoframe()
671 static void tegra_hdmi_setup_audio_infoframe(struct tegra_hdmi *hdmi)  in tegra_hdmi_setup_audio_infoframe()  argument
677 	if (hdmi->dvi) {  in tegra_hdmi_setup_audio_infoframe()
678 		tegra_hdmi_writel(hdmi, 0,  in tegra_hdmi_setup_audio_infoframe()
685 		dev_err(hdmi->dev, "failed to setup audio infoframe: %zd\n",  in tegra_hdmi_setup_audio_infoframe()
694 		dev_err(hdmi->dev, "failed to pack audio infoframe: %zd\n",  in tegra_hdmi_setup_audio_infoframe()
705 	tegra_hdmi_write_infopack(hdmi, buffer, min_t(size_t, 10, err));  in tegra_hdmi_setup_audio_infoframe()
707 	tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE,  in tegra_hdmi_setup_audio_infoframe()
711 static void tegra_hdmi_setup_stereo_infoframe(struct tegra_hdmi *hdmi)  in tegra_hdmi_setup_stereo_infoframe()  argument
718 	if (!hdmi->stereo) {  in tegra_hdmi_setup_stereo_infoframe()
719 		value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL);  in tegra_hdmi_setup_stereo_infoframe()
721 		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL);  in tegra_hdmi_setup_stereo_infoframe()
730 		dev_err(hdmi->dev, "failed to pack vendor infoframe: %zd\n",  in tegra_hdmi_setup_stereo_infoframe()
735 	tegra_hdmi_write_infopack(hdmi, buffer, err);  in tegra_hdmi_setup_stereo_infoframe()
737 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL);  in tegra_hdmi_setup_stereo_infoframe()
739 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL);  in tegra_hdmi_setup_stereo_infoframe()
742 static void tegra_hdmi_setup_tmds(struct tegra_hdmi *hdmi,  in tegra_hdmi_setup_tmds()  argument
747 	tegra_hdmi_writel(hdmi, tmds->pll0, HDMI_NV_PDISP_SOR_PLL0);  in tegra_hdmi_setup_tmds()
748 	tegra_hdmi_writel(hdmi, tmds->pll1, HDMI_NV_PDISP_SOR_PLL1);  in tegra_hdmi_setup_tmds()
749 	tegra_hdmi_writel(hdmi, tmds->pe_current, HDMI_NV_PDISP_PE_CURRENT);  in tegra_hdmi_setup_tmds()
751 	tegra_hdmi_writel(hdmi, tmds->drive_current,  in tegra_hdmi_setup_tmds()
754 	value = tegra_hdmi_readl(hdmi, hdmi->config->fuse_override_offset);  in tegra_hdmi_setup_tmds()
755 	value |= hdmi->config->fuse_override_value;  in tegra_hdmi_setup_tmds()
756 	tegra_hdmi_writel(hdmi, value, hdmi->config->fuse_override_offset);  in tegra_hdmi_setup_tmds()
758 	if (hdmi->config->has_sor_io_peak_current)  in tegra_hdmi_setup_tmds()
759 		tegra_hdmi_writel(hdmi, tmds->peak_current,  in tegra_hdmi_setup_tmds()
795 	struct tegra_hdmi *hdmi = to_hdmi(output);  in tegra_hdmi_connector_mode_valid()  local
801 	parent = clk_get_parent(hdmi->clk_parent);  in tegra_hdmi_connector_mode_valid()
841 	struct tegra_hdmi *hdmi = to_hdmi(output);  in tegra_hdmi_encoder_mode_set()  local
847 	hdmi->dvi = !tegra_output_is_hdmi(output);  in tegra_hdmi_encoder_mode_set()
854 	err = clk_set_rate(hdmi->clk, pclk);  in tegra_hdmi_encoder_mode_set()
856 		dev_err(hdmi->dev, "failed to set HDMI clock frequency: %d\n",  in tegra_hdmi_encoder_mode_set()
860 	DRM_DEBUG_KMS("HDMI clock rate: %lu Hz\n", clk_get_rate(hdmi->clk));  in tegra_hdmi_encoder_mode_set()
863 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PLL0);  in tegra_hdmi_encoder_mode_set()
865 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_PLL0);  in tegra_hdmi_encoder_mode_set()
869 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PLL0);  in tegra_hdmi_encoder_mode_set()
871 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_PLL0);  in tegra_hdmi_encoder_mode_set()
892 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_VSYNC_WINDOW);  in tegra_hdmi_encoder_mode_set()
901 		tegra_hdmi_writel(hdmi,  in tegra_hdmi_encoder_mode_set()
905 		tegra_hdmi_writel(hdmi,  in tegra_hdmi_encoder_mode_set()
909 	div82 = clk_get_rate(hdmi->clk) / 1000000 * 4;  in tegra_hdmi_encoder_mode_set()
911 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_REFCLK);  in tegra_hdmi_encoder_mode_set()
913 	if (!hdmi->dvi) {  in tegra_hdmi_encoder_mode_set()
914 		err = tegra_hdmi_setup_audio(hdmi, pclk);  in tegra_hdmi_encoder_mode_set()
916 			hdmi->dvi = true;  in tegra_hdmi_encoder_mode_set()
930 	if (!hdmi->dvi)  in tegra_hdmi_encoder_mode_set()
933 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_CTRL);  in tegra_hdmi_encoder_mode_set()
935 	if (hdmi->dvi)  in tegra_hdmi_encoder_mode_set()
936 		tegra_hdmi_writel(hdmi, 0x0,  in tegra_hdmi_encoder_mode_set()
939 		tegra_hdmi_writel(hdmi, GENERIC_CTRL_AUDIO,  in tegra_hdmi_encoder_mode_set()
942 	tegra_hdmi_setup_avi_infoframe(hdmi, mode);  in tegra_hdmi_encoder_mode_set()
943 	tegra_hdmi_setup_audio_infoframe(hdmi);  in tegra_hdmi_encoder_mode_set()
944 	tegra_hdmi_setup_stereo_infoframe(hdmi);  in tegra_hdmi_encoder_mode_set()
947 	for (i = 0; i < hdmi->config->num_tmds; i++) {  in tegra_hdmi_encoder_mode_set()
948 		if (pclk <= hdmi->config->tmds[i].pclk) {  in tegra_hdmi_encoder_mode_set()
949 			tegra_hdmi_setup_tmds(hdmi, &hdmi->config->tmds[i]);  in tegra_hdmi_encoder_mode_set()
954 	tegra_hdmi_writel(hdmi,  in tegra_hdmi_encoder_mode_set()
968 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(0));  in tegra_hdmi_encoder_mode_set()
969 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(8));  in tegra_hdmi_encoder_mode_set()
971 	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_CSTM);  in tegra_hdmi_encoder_mode_set()
978 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_CSTM);  in tegra_hdmi_encoder_mode_set()
981 	tegra_hdmi_writel(hdmi,  in tegra_hdmi_encoder_mode_set()
987 	tegra_hdmi_writel(hdmi,  in tegra_hdmi_encoder_mode_set()
996 		value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PWR);  in tegra_hdmi_encoder_mode_set()
1018 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE2);  in tegra_hdmi_encoder_mode_set()
1021 	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE1);  in tegra_hdmi_encoder_mode_set()
1023 	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0);  in tegra_hdmi_encoder_mode_set()
1024 	tegra_hdmi_writel(hdmi, SOR_STATE_UPDATE, HDMI_NV_PDISP_SOR_STATE0);  in tegra_hdmi_encoder_mode_set()
1025 	tegra_hdmi_writel(hdmi, value | SOR_STATE_ATTACHED,  in tegra_hdmi_encoder_mode_set()
1027 	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0);  in tegra_hdmi_encoder_mode_set()
1064 	struct tegra_hdmi *hdmi = to_hdmi(output);  in tegra_hdmi_encoder_atomic_check()  local
1067 	err = tegra_dc_state_setup_clock(dc, crtc_state, hdmi->clk_parent,  in tegra_hdmi_encoder_atomic_check()
1089 	struct tegra_hdmi *hdmi = node->info_ent->data;  in tegra_hdmi_show_regs()  local
1092 	err = clk_prepare_enable(hdmi->clk);  in tegra_hdmi_show_regs()
1098 		   tegra_hdmi_readl(hdmi, name))  in tegra_hdmi_show_regs()
1261 	clk_disable_unprepare(hdmi->clk);  in tegra_hdmi_show_regs()
1270 static int tegra_hdmi_debugfs_init(struct tegra_hdmi *hdmi,  in tegra_hdmi_debugfs_init()  argument
1276 	hdmi->debugfs = debugfs_create_dir("hdmi", minor->debugfs_root);  in tegra_hdmi_debugfs_init()
1277 	if (!hdmi->debugfs)  in tegra_hdmi_debugfs_init()
1280 	hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files),  in tegra_hdmi_debugfs_init()
1282 	if (!hdmi->debugfs_files) {  in tegra_hdmi_debugfs_init()
1288 		hdmi->debugfs_files[i].data = hdmi;  in tegra_hdmi_debugfs_init()
1290 	err = drm_debugfs_create_files(hdmi->debugfs_files,  in tegra_hdmi_debugfs_init()
1292 				       hdmi->debugfs, minor);  in tegra_hdmi_debugfs_init()
1296 	hdmi->minor = minor;  in tegra_hdmi_debugfs_init()
1301 	kfree(hdmi->debugfs_files);  in tegra_hdmi_debugfs_init()
1302 	hdmi->debugfs_files = NULL;  in tegra_hdmi_debugfs_init()
1304 	debugfs_remove(hdmi->debugfs);  in tegra_hdmi_debugfs_init()
1305 	hdmi->debugfs = NULL;  in tegra_hdmi_debugfs_init()
1310 static void tegra_hdmi_debugfs_exit(struct tegra_hdmi *hdmi)  in tegra_hdmi_debugfs_exit()  argument
1312 	drm_debugfs_remove_files(hdmi->debugfs_files, ARRAY_SIZE(debugfs_files),  in tegra_hdmi_debugfs_exit()
1313 				 hdmi->minor);  in tegra_hdmi_debugfs_exit()
1314 	hdmi->minor = NULL;  in tegra_hdmi_debugfs_exit()
1316 	kfree(hdmi->debugfs_files);  in tegra_hdmi_debugfs_exit()
1317 	hdmi->debugfs_files = NULL;  in tegra_hdmi_debugfs_exit()
1319 	debugfs_remove(hdmi->debugfs);  in tegra_hdmi_debugfs_exit()
1320 	hdmi->debugfs = NULL;  in tegra_hdmi_debugfs_exit()
1326 	struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client);  in tegra_hdmi_init()  local
1329 	hdmi->output.dev = client->dev;  in tegra_hdmi_init()
1331 	drm_connector_init(drm, &hdmi->output.connector,  in tegra_hdmi_init()
1334 	drm_connector_helper_add(&hdmi->output.connector,  in tegra_hdmi_init()
1336 	hdmi->output.connector.dpms = DRM_MODE_DPMS_OFF;  in tegra_hdmi_init()
1338 	drm_encoder_init(drm, &hdmi->output.encoder, &tegra_hdmi_encoder_funcs,  in tegra_hdmi_init()
1340 	drm_encoder_helper_add(&hdmi->output.encoder,  in tegra_hdmi_init()
1343 	drm_mode_connector_attach_encoder(&hdmi->output.connector,  in tegra_hdmi_init()
1344 					  &hdmi->output.encoder);  in tegra_hdmi_init()
1345 	drm_connector_register(&hdmi->output.connector);  in tegra_hdmi_init()
1347 	err = tegra_output_init(drm, &hdmi->output);  in tegra_hdmi_init()
1353 	hdmi->output.encoder.possible_crtcs = 0x3;  in tegra_hdmi_init()
1356 		err = tegra_hdmi_debugfs_init(hdmi, drm->primary);  in tegra_hdmi_init()
1361 	err = regulator_enable(hdmi->hdmi);  in tegra_hdmi_init()
1368 	err = regulator_enable(hdmi->pll);  in tegra_hdmi_init()
1370 		dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err);  in tegra_hdmi_init()
1374 	err = regulator_enable(hdmi->vdd);  in tegra_hdmi_init()
1376 		dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err);  in tegra_hdmi_init()
1380 	err = clk_prepare_enable(hdmi->clk);  in tegra_hdmi_init()
1382 		dev_err(hdmi->dev, "failed to enable clock: %d\n", err);  in tegra_hdmi_init()
1386 	reset_control_deassert(hdmi->rst);  in tegra_hdmi_init()
1393 	struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client);  in tegra_hdmi_exit()  local
1395 	tegra_output_exit(&hdmi->output);  in tegra_hdmi_exit()
1397 	reset_control_assert(hdmi->rst);  in tegra_hdmi_exit()
1398 	clk_disable_unprepare(hdmi->clk);  in tegra_hdmi_exit()
1400 	regulator_disable(hdmi->vdd);  in tegra_hdmi_exit()
1401 	regulator_disable(hdmi->pll);  in tegra_hdmi_exit()
1402 	regulator_disable(hdmi->hdmi);  in tegra_hdmi_exit()
1405 		tegra_hdmi_debugfs_exit(hdmi);  in tegra_hdmi_exit()
1459 	struct tegra_hdmi *hdmi;  in tegra_hdmi_probe()  local
1467 	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);  in tegra_hdmi_probe()
1468 	if (!hdmi)  in tegra_hdmi_probe()
1471 	hdmi->config = match->data;  in tegra_hdmi_probe()
1472 	hdmi->dev = &pdev->dev;  in tegra_hdmi_probe()
1473 	hdmi->audio_source = AUTO;  in tegra_hdmi_probe()
1474 	hdmi->audio_freq = 44100;  in tegra_hdmi_probe()
1475 	hdmi->stereo = false;  in tegra_hdmi_probe()
1476 	hdmi->dvi = false;  in tegra_hdmi_probe()
1478 	hdmi->clk = devm_clk_get(&pdev->dev, NULL);  in tegra_hdmi_probe()
1479 	if (IS_ERR(hdmi->clk)) {  in tegra_hdmi_probe()
1481 		return PTR_ERR(hdmi->clk);  in tegra_hdmi_probe()
1484 	hdmi->rst = devm_reset_control_get(&pdev->dev, "hdmi");  in tegra_hdmi_probe()
1485 	if (IS_ERR(hdmi->rst)) {  in tegra_hdmi_probe()
1487 		return PTR_ERR(hdmi->rst);  in tegra_hdmi_probe()
1490 	hdmi->clk_parent = devm_clk_get(&pdev->dev, "parent");  in tegra_hdmi_probe()
1491 	if (IS_ERR(hdmi->clk_parent))  in tegra_hdmi_probe()
1492 		return PTR_ERR(hdmi->clk_parent);  in tegra_hdmi_probe()
1494 	err = clk_set_parent(hdmi->clk, hdmi->clk_parent);  in tegra_hdmi_probe()
1500 	hdmi->hdmi = devm_regulator_get(&pdev->dev, "hdmi");  in tegra_hdmi_probe()
1501 	if (IS_ERR(hdmi->hdmi)) {  in tegra_hdmi_probe()
1503 		return PTR_ERR(hdmi->hdmi);  in tegra_hdmi_probe()
1506 	hdmi->pll = devm_regulator_get(&pdev->dev, "pll");  in tegra_hdmi_probe()
1507 	if (IS_ERR(hdmi->pll)) {  in tegra_hdmi_probe()
1509 		return PTR_ERR(hdmi->pll);  in tegra_hdmi_probe()
1512 	hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd");  in tegra_hdmi_probe()
1513 	if (IS_ERR(hdmi->vdd)) {  in tegra_hdmi_probe()
1515 		return PTR_ERR(hdmi->vdd);  in tegra_hdmi_probe()
1518 	hdmi->output.dev = &pdev->dev;  in tegra_hdmi_probe()
1520 	err = tegra_output_probe(&hdmi->output);  in tegra_hdmi_probe()
1525 	hdmi->regs = devm_ioremap_resource(&pdev->dev, regs);  in tegra_hdmi_probe()
1526 	if (IS_ERR(hdmi->regs))  in tegra_hdmi_probe()
1527 		return PTR_ERR(hdmi->regs);  in tegra_hdmi_probe()
1533 	hdmi->irq = err;  in tegra_hdmi_probe()
1535 	INIT_LIST_HEAD(&hdmi->client.list);  in tegra_hdmi_probe()
1536 	hdmi->client.ops = &hdmi_client_ops;  in tegra_hdmi_probe()
1537 	hdmi->client.dev = &pdev->dev;  in tegra_hdmi_probe()
1539 	err = host1x_client_register(&hdmi->client);  in tegra_hdmi_probe()
1546 	platform_set_drvdata(pdev, hdmi);  in tegra_hdmi_probe()
1553 	struct tegra_hdmi *hdmi = platform_get_drvdata(pdev);  in tegra_hdmi_remove()  local
1556 	err = host1x_client_unregister(&hdmi->client);  in tegra_hdmi_remove()
1563 	tegra_output_remove(&hdmi->output);  in tegra_hdmi_remove()
1565 	clk_disable_unprepare(hdmi->clk_parent);  in tegra_hdmi_remove()
1566 	clk_disable_unprepare(hdmi->clk);  in tegra_hdmi_remove()