diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:24:42 +0200 | 
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:27:03 +0200 | 
| commit | f99e44a7f3352d7131c7526207f153f13ec5acd4 (patch) | |
| tree | 0f448b21128c478053ee7f7765b865954c4eebe8 /drivers/gpu/drm/tegra/hdmi.c | |
| parent | fd29f424d458118f02e89596505c68a63dcb3007 (diff) | |
| parent | ce857229e0c3adc211944a13a5579ef84fd7b4af (diff) | |
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/gpu/drm/tegra/hdmi.c')
| -rw-r--r-- | drivers/gpu/drm/tegra/hdmi.c | 1312 | 
1 files changed, 0 insertions, 1312 deletions
| diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c deleted file mode 100644 index bb747f6cd1a4..000000000000 --- a/drivers/gpu/drm/tegra/hdmi.c +++ /dev/null @@ -1,1312 +0,0 @@ -/* - * Copyright (C) 2012 Avionic Design GmbH - * Copyright (C) 2012 NVIDIA CORPORATION.  All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/clk.h> -#include <linux/debugfs.h> -#include <linux/gpio.h> -#include <linux/hdmi.h> -#include <linux/module.h> -#include <linux/of.h> -#include <linux/platform_device.h> -#include <linux/regulator/consumer.h> -#include <linux/clk/tegra.h> - -#include <drm/drm_edid.h> - -#include "hdmi.h" -#include "drm.h" -#include "dc.h" - -struct tegra_hdmi { -	struct host1x_client client; -	struct tegra_output output; -	struct device *dev; - -	struct regulator *vdd; -	struct regulator *pll; - -	void __iomem *regs; -	unsigned int irq; - -	struct clk *clk_parent; -	struct clk *clk; - -	unsigned int audio_source; -	unsigned int audio_freq; -	bool stereo; -	bool dvi; - -	struct drm_info_list *debugfs_files; -	struct drm_minor *minor; -	struct dentry *debugfs; -}; - -static inline struct tegra_hdmi * -host1x_client_to_hdmi(struct host1x_client *client) -{ -	return container_of(client, struct tegra_hdmi, client); -} - -static inline struct tegra_hdmi *to_hdmi(struct tegra_output *output) -{ -	return container_of(output, struct tegra_hdmi, output); -} - -#define HDMI_AUDIOCLK_FREQ 216000000 -#define HDMI_REKEY_DEFAULT 56 - -enum { -	AUTO = 0, -	SPDIF, -	HDA, -}; - -static inline unsigned long tegra_hdmi_readl(struct tegra_hdmi *hdmi, -					     unsigned long reg) -{ -	return readl(hdmi->regs + (reg << 2)); -} - -static inline void tegra_hdmi_writel(struct tegra_hdmi *hdmi, unsigned long val, -				     unsigned long reg) -{ -	writel(val, hdmi->regs + (reg << 2)); -} - -struct tegra_hdmi_audio_config { -	unsigned int pclk; -	unsigned int n; -	unsigned int cts; -	unsigned int aval; -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_32k[] = { -	{  25200000, 4096,  25200, 24000 }, -	{  27000000, 4096,  27000, 24000 }, -	{  74250000, 4096,  74250, 24000 }, -	{ 148500000, 4096, 148500, 24000 }, -	{         0,    0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_44_1k[] = { -	{  25200000, 5880,  26250, 25000 }, -	{  27000000, 5880,  28125, 25000 }, -	{  74250000, 4704,  61875, 20000 }, -	{ 148500000, 4704, 123750, 20000 }, -	{         0,    0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_48k[] = { -	{  25200000, 6144,  25200, 24000 }, -	{  27000000, 6144,  27000, 24000 }, -	{  74250000, 6144,  74250, 24000 }, -	{ 148500000, 6144, 148500, 24000 }, -	{         0,    0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_88_2k[] = { -	{  25200000, 11760,  26250, 25000 }, -	{  27000000, 11760,  28125, 25000 }, -	{  74250000,  9408,  61875, 20000 }, -	{ 148500000,  9408, 123750, 20000 }, -	{         0,     0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_96k[] = { -	{  25200000, 12288,  25200, 24000 }, -	{  27000000, 12288,  27000, 24000 }, -	{  74250000, 12288,  74250, 24000 }, -	{ 148500000, 12288, 148500, 24000 }, -	{         0,     0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_176_4k[] = { -	{  25200000, 23520,  26250, 25000 }, -	{  27000000, 23520,  28125, 25000 }, -	{  74250000, 18816,  61875, 20000 }, -	{ 148500000, 18816, 123750, 20000 }, -	{         0,     0,      0,     0 }, -}; - -static const struct tegra_hdmi_audio_config tegra_hdmi_audio_192k[] = { -	{  25200000, 24576,  25200, 24000 }, -	{  27000000, 24576,  27000, 24000 }, -	{  74250000, 24576,  74250, 24000 }, -	{ 148500000, 24576, 148500, 24000 }, -	{         0,     0,      0,     0 }, -}; - -struct tmds_config { -	unsigned int pclk; -	u32 pll0; -	u32 pll1; -	u32 pe_current; -	u32 drive_current; -}; - -static const struct tmds_config tegra2_tmds_config[] = { -	{ /* slow pixel clock modes */ -		.pclk = 27000000, -		.pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | -			SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(0) | -			SOR_PLL_TX_REG_LOAD(3), -		.pll1 = SOR_PLL_TMDS_TERM_ENABLE, -		.pe_current = PE_CURRENT0(PE_CURRENT_0_0_mA) | -			PE_CURRENT1(PE_CURRENT_0_0_mA) | -			PE_CURRENT2(PE_CURRENT_0_0_mA) | -			PE_CURRENT3(PE_CURRENT_0_0_mA), -		.drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE1(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE2(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE3(DRIVE_CURRENT_7_125_mA), -	}, -	{ /* high pixel clock modes */ -		.pclk = UINT_MAX, -		.pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | -			SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(1) | -			SOR_PLL_TX_REG_LOAD(3), -		.pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, -		.pe_current = PE_CURRENT0(PE_CURRENT_6_0_mA) | -			PE_CURRENT1(PE_CURRENT_6_0_mA) | -			PE_CURRENT2(PE_CURRENT_6_0_mA) | -			PE_CURRENT3(PE_CURRENT_6_0_mA), -		.drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE1(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE2(DRIVE_CURRENT_7_125_mA) | -			DRIVE_CURRENT_LANE3(DRIVE_CURRENT_7_125_mA), -	}, -}; - -static const struct tmds_config tegra3_tmds_config[] = { -	{ /* 480p modes */ -		.pclk = 27000000, -		.pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | -			SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(0) | -			SOR_PLL_TX_REG_LOAD(0), -		.pll1 = SOR_PLL_TMDS_TERM_ENABLE, -		.pe_current = PE_CURRENT0(PE_CURRENT_0_0_mA) | -			PE_CURRENT1(PE_CURRENT_0_0_mA) | -			PE_CURRENT2(PE_CURRENT_0_0_mA) | -			PE_CURRENT3(PE_CURRENT_0_0_mA), -		.drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), -	}, { /* 720p modes */ -		.pclk = 74250000, -		.pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | -			SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(1) | -			SOR_PLL_TX_REG_LOAD(0), -		.pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, -		.pe_current = PE_CURRENT0(PE_CURRENT_5_0_mA) | -			PE_CURRENT1(PE_CURRENT_5_0_mA) | -			PE_CURRENT2(PE_CURRENT_5_0_mA) | -			PE_CURRENT3(PE_CURRENT_5_0_mA), -		.drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), -	}, { /* 1080p modes */ -		.pclk = UINT_MAX, -		.pll0 = SOR_PLL_BG_V17_S(3) | SOR_PLL_ICHPMP(1) | -			SOR_PLL_RESISTORSEL | SOR_PLL_VCOCAP(3) | -			SOR_PLL_TX_REG_LOAD(0), -		.pll1 = SOR_PLL_TMDS_TERM_ENABLE | SOR_PLL_PE_EN, -		.pe_current = PE_CURRENT0(PE_CURRENT_5_0_mA) | -			PE_CURRENT1(PE_CURRENT_5_0_mA) | -			PE_CURRENT2(PE_CURRENT_5_0_mA) | -			PE_CURRENT3(PE_CURRENT_5_0_mA), -		.drive_current = DRIVE_CURRENT_LANE0(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE1(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE2(DRIVE_CURRENT_5_250_mA) | -			DRIVE_CURRENT_LANE3(DRIVE_CURRENT_5_250_mA), -	}, -}; - -static const struct tegra_hdmi_audio_config * -tegra_hdmi_get_audio_config(unsigned int audio_freq, unsigned int pclk) -{ -	const struct tegra_hdmi_audio_config *table; - -	switch (audio_freq) { -	case 32000: -		table = tegra_hdmi_audio_32k; -		break; - -	case 44100: -		table = tegra_hdmi_audio_44_1k; -		break; - -	case 48000: -		table = tegra_hdmi_audio_48k; -		break; - -	case 88200: -		table = tegra_hdmi_audio_88_2k; -		break; - -	case 96000: -		table = tegra_hdmi_audio_96k; -		break; - -	case 176400: -		table = tegra_hdmi_audio_176_4k; -		break; - -	case 192000: -		table = tegra_hdmi_audio_192k; -		break; - -	default: -		return NULL; -	} - -	while (table->pclk) { -		if (table->pclk == pclk) -			return table; - -		table++; -	} - -	return NULL; -} - -static void tegra_hdmi_setup_audio_fs_tables(struct tegra_hdmi *hdmi) -{ -	const unsigned int freqs[] = { -		32000, 44100, 48000, 88200, 96000, 176400, 192000 -	}; -	unsigned int i; - -	for (i = 0; i < ARRAY_SIZE(freqs); i++) { -		unsigned int f = freqs[i]; -		unsigned int eight_half; -		unsigned long value; -		unsigned int delta; - -		if (f > 96000) -			delta = 2; -		else if (f > 480000) -			delta = 6; -		else -			delta = 9; - -		eight_half = (8 * HDMI_AUDIOCLK_FREQ) / (f * 128); -		value = AUDIO_FS_LOW(eight_half - delta) | -			AUDIO_FS_HIGH(eight_half + delta); -		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_FS(i)); -	} -} - -static int tegra_hdmi_setup_audio(struct tegra_hdmi *hdmi, unsigned int pclk) -{ -	struct device_node *node = hdmi->dev->of_node; -	const struct tegra_hdmi_audio_config *config; -	unsigned int offset = 0; -	unsigned long value; - -	switch (hdmi->audio_source) { -	case HDA: -		value = AUDIO_CNTRL0_SOURCE_SELECT_HDAL; -		break; - -	case SPDIF: -		value = AUDIO_CNTRL0_SOURCE_SELECT_SPDIF; -		break; - -	default: -		value = AUDIO_CNTRL0_SOURCE_SELECT_AUTO; -		break; -	} - -	if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { -		value |= AUDIO_CNTRL0_ERROR_TOLERANCE(6) | -			 AUDIO_CNTRL0_FRAMES_PER_BLOCK(0xc0); -		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0); -	} else { -		value |= AUDIO_CNTRL0_INJECT_NULLSMPL; -		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_AUDIO_CNTRL0); - -		value = AUDIO_CNTRL0_ERROR_TOLERANCE(6) | -			AUDIO_CNTRL0_FRAMES_PER_BLOCK(0xc0); -		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_CNTRL0); -	} - -	config = tegra_hdmi_get_audio_config(hdmi->audio_freq, pclk); -	if (!config) { -		dev_err(hdmi->dev, "cannot set audio to %u at %u pclk\n", -			hdmi->audio_freq, pclk); -		return -EINVAL; -	} - -	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_HDMI_ACR_CTRL); - -	value = AUDIO_N_RESETF | AUDIO_N_GENERATE_ALTERNATE | -		AUDIO_N_VALUE(config->n - 1); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N); - -	tegra_hdmi_writel(hdmi, ACR_SUBPACK_N(config->n) | ACR_ENABLE, -			  HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH); - -	value = ACR_SUBPACK_CTS(config->cts); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW); - -	value = SPARE_HW_CTS | SPARE_FORCE_SW_CTS | SPARE_CTS_RESET_VAL(1); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_SPARE); - -	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_AUDIO_N); -	value &= ~AUDIO_N_RESETF; -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_AUDIO_N); - -	if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { -		switch (hdmi->audio_freq) { -		case 32000: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0320; -			break; - -		case 44100: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0441; -			break; - -		case 48000: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0480; -			break; - -		case 88200: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0882; -			break; - -		case 96000: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_0960; -			break; - -		case 176400: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_1764; -			break; - -		case 192000: -			offset = HDMI_NV_PDISP_SOR_AUDIO_AVAL_1920; -			break; -		} - -		tegra_hdmi_writel(hdmi, config->aval, offset); -	} - -	tegra_hdmi_setup_audio_fs_tables(hdmi); - -	return 0; -} - -static inline unsigned long tegra_hdmi_subpack(const u8 *ptr, size_t size) -{ -	unsigned long value = 0; -	size_t i; - -	for (i = size; i > 0; i--) -		value = (value << 8) | ptr[i - 1]; - -	return value; -} - -static void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi, const void *data, -				      size_t size) -{ -	const u8 *ptr = data; -	unsigned long offset; -	unsigned long value; -	size_t i, j; - -	switch (ptr[0]) { -	case HDMI_INFOFRAME_TYPE_AVI: -		offset = HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER; -		break; - -	case HDMI_INFOFRAME_TYPE_AUDIO: -		offset = HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER; -		break; - -	case HDMI_INFOFRAME_TYPE_VENDOR: -		offset = HDMI_NV_PDISP_HDMI_GENERIC_HEADER; -		break; - -	default: -		dev_err(hdmi->dev, "unsupported infoframe type: %02x\n", -			ptr[0]); -		return; -	} - -	value = INFOFRAME_HEADER_TYPE(ptr[0]) | -		INFOFRAME_HEADER_VERSION(ptr[1]) | -		INFOFRAME_HEADER_LEN(ptr[2]); -	tegra_hdmi_writel(hdmi, value, offset); -	offset++; - -	/* -	 * Each subpack contains 7 bytes, divided into: -	 * - subpack_low: bytes 0 - 3 -	 * - subpack_high: bytes 4 - 6 (with byte 7 padded to 0x00) -	 */ -	for (i = 3, j = 0; i < size; i += 7, j += 8) { -		size_t rem = size - i, num = min_t(size_t, rem, 4); - -		value = tegra_hdmi_subpack(&ptr[i], num); -		tegra_hdmi_writel(hdmi, value, offset++); - -		num = min_t(size_t, rem - num, 3); - -		value = tegra_hdmi_subpack(&ptr[i + 4], num); -		tegra_hdmi_writel(hdmi, value, offset++); -	} -} - -static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi, -					   struct drm_display_mode *mode) -{ -	struct hdmi_avi_infoframe frame; -	u8 buffer[17]; -	ssize_t err; - -	if (hdmi->dvi) { -		tegra_hdmi_writel(hdmi, 0, -				  HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); -		return; -	} - -	err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to setup AVI infoframe: %zd\n", err); -		return; -	} - -	err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer)); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to pack AVI infoframe: %zd\n", err); -		return; -	} - -	tegra_hdmi_write_infopack(hdmi, buffer, err); - -	tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE, -			  HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); -} - -static void tegra_hdmi_setup_audio_infoframe(struct tegra_hdmi *hdmi) -{ -	struct hdmi_audio_infoframe frame; -	u8 buffer[14]; -	ssize_t err; - -	if (hdmi->dvi) { -		tegra_hdmi_writel(hdmi, 0, -				  HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); -		return; -	} - -	err = hdmi_audio_infoframe_init(&frame); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to initialize audio infoframe: %d\n", -			err); -		return; -	} - -	frame.channels = 2; - -	err = hdmi_audio_infoframe_pack(&frame, buffer, sizeof(buffer)); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to pack audio infoframe: %zd\n", -			err); -		return; -	} - -	/* -	 * The audio infoframe has only one set of subpack registers, so the -	 * infoframe needs to be truncated. One set of subpack registers can -	 * contain 7 bytes. Including the 3 byte header only the first 10 -	 * bytes can be programmed. -	 */ -	tegra_hdmi_write_infopack(hdmi, buffer, min(10, err)); - -	tegra_hdmi_writel(hdmi, INFOFRAME_CTRL_ENABLE, -			  HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); -} - -static void tegra_hdmi_setup_stereo_infoframe(struct tegra_hdmi *hdmi) -{ -	struct hdmi_vendor_infoframe frame; -	unsigned long value; -	u8 buffer[10]; -	ssize_t err; - -	if (!hdmi->stereo) { -		value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -		value &= ~GENERIC_CTRL_ENABLE; -		tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -		return; -	} - -	memset(&frame, 0, sizeof(frame)); - -	frame.type = HDMI_INFOFRAME_TYPE_VENDOR; -	frame.version = 0x01; -	frame.length = 6; - -	frame.data[0] = 0x03; /* regid0 */ -	frame.data[1] = 0x0c; /* regid1 */ -	frame.data[2] = 0x00; /* regid2 */ -	frame.data[3] = 0x02 << 5; /* video format */ - -	/* TODO: 74 MHz limit? */ -	if (1) { -		frame.data[4] = 0x00 << 4; /* 3D structure */ -	} else { -		frame.data[4] = 0x08 << 4; /* 3D structure */ -		frame.data[5] = 0x00 << 4; /* 3D ext. data */ -	} - -	err = hdmi_vendor_infoframe_pack(&frame, buffer, sizeof(buffer)); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to pack vendor infoframe: %zd\n", -			err); -		return; -	} - -	tegra_hdmi_write_infopack(hdmi, buffer, err); - -	value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -	value |= GENERIC_CTRL_ENABLE; -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -} - -static void tegra_hdmi_setup_tmds(struct tegra_hdmi *hdmi, -				  const struct tmds_config *tmds) -{ -	unsigned long value; - -	tegra_hdmi_writel(hdmi, tmds->pll0, HDMI_NV_PDISP_SOR_PLL0); -	tegra_hdmi_writel(hdmi, tmds->pll1, HDMI_NV_PDISP_SOR_PLL1); -	tegra_hdmi_writel(hdmi, tmds->pe_current, HDMI_NV_PDISP_PE_CURRENT); - -	value = tmds->drive_current | DRIVE_CURRENT_FUSE_OVERRIDE; -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT); -} - -static int tegra_output_hdmi_enable(struct tegra_output *output) -{ -	unsigned int h_sync_width, h_front_porch, h_back_porch, i, rekey; -	struct tegra_dc *dc = to_tegra_dc(output->encoder.crtc); -	struct drm_display_mode *mode = &dc->base.mode; -	struct tegra_hdmi *hdmi = to_hdmi(output); -	struct device_node *node = hdmi->dev->of_node; -	unsigned int pulse_start, div82, pclk; -	const struct tmds_config *tmds; -	unsigned int num_tmds; -	unsigned long value; -	int retries = 1000; -	int err; - -	pclk = mode->clock * 1000; -	h_sync_width = mode->hsync_end - mode->hsync_start; -	h_back_porch = mode->htotal - mode->hsync_end; -	h_front_porch = mode->hsync_start - mode->hdisplay; - -	err = regulator_enable(hdmi->vdd); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to enable VDD regulator: %d\n", err); -		return err; -	} - -	err = regulator_enable(hdmi->pll); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to enable PLL regulator: %d\n", err); -		return err; -	} - -	/* -	 * This assumes that the display controller will divide its parent -	 * clock by 2 to generate the pixel clock. -	 */ -	err = tegra_output_setup_clock(output, hdmi->clk, pclk * 2); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to setup clock: %d\n", err); -		return err; -	} - -	err = clk_set_rate(hdmi->clk, pclk); -	if (err < 0) -		return err; - -	err = clk_enable(hdmi->clk); -	if (err < 0) { -		dev_err(hdmi->dev, "failed to enable clock: %d\n", err); -		return err; -	} - -	tegra_periph_reset_assert(hdmi->clk); -	usleep_range(1000, 2000); -	tegra_periph_reset_deassert(hdmi->clk); - -	tegra_dc_writel(dc, VSYNC_H_POSITION(1), -			DC_DISP_DISP_TIMING_OPTIONS); -	tegra_dc_writel(dc, DITHER_CONTROL_DISABLE | BASE_COLOR_SIZE888, -			DC_DISP_DISP_COLOR_CONTROL); - -	/* video_preamble uses h_pulse2 */ -	pulse_start = 1 + h_sync_width + h_back_porch - 10; - -	tegra_dc_writel(dc, H_PULSE_2_ENABLE, DC_DISP_DISP_SIGNAL_OPTIONS0); - -	value = PULSE_MODE_NORMAL | PULSE_POLARITY_HIGH | PULSE_QUAL_VACTIVE | -		PULSE_LAST_END_A; -	tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_CONTROL); - -	value = PULSE_START(pulse_start) | PULSE_END(pulse_start + 8); -	tegra_dc_writel(dc, value, DC_DISP_H_PULSE2_POSITION_A); - -	value = VSYNC_WINDOW_END(0x210) | VSYNC_WINDOW_START(0x200) | -		VSYNC_WINDOW_ENABLE; -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_VSYNC_WINDOW); - -	if (dc->pipe) -		value = HDMI_SRC_DISPLAYB; -	else -		value = HDMI_SRC_DISPLAYA; - -	if ((mode->hdisplay == 720) && ((mode->vdisplay == 480) || -					(mode->vdisplay == 576))) -		tegra_hdmi_writel(hdmi, -				  value | ARM_VIDEO_RANGE_FULL, -				  HDMI_NV_PDISP_INPUT_CONTROL); -	else -		tegra_hdmi_writel(hdmi, -				  value | ARM_VIDEO_RANGE_LIMITED, -				  HDMI_NV_PDISP_INPUT_CONTROL); - -	div82 = clk_get_rate(hdmi->clk) / 1000000 * 4; -	value = SOR_REFCLK_DIV_INT(div82 >> 2) | SOR_REFCLK_DIV_FRAC(div82); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_REFCLK); - -	if (!hdmi->dvi) { -		err = tegra_hdmi_setup_audio(hdmi, pclk); -		if (err < 0) -			hdmi->dvi = true; -	} - -	if (of_device_is_compatible(node, "nvidia,tegra20-hdmi")) { -		/* -		 * TODO: add ELD support -		 */ -	} - -	rekey = HDMI_REKEY_DEFAULT; -	value = HDMI_CTRL_REKEY(rekey); -	value |= HDMI_CTRL_MAX_AC_PACKET((h_sync_width + h_back_porch + -					  h_front_porch - rekey - 18) / 32); - -	if (!hdmi->dvi) -		value |= HDMI_CTRL_ENABLE; - -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_HDMI_CTRL); - -	if (hdmi->dvi) -		tegra_hdmi_writel(hdmi, 0x0, -				  HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -	else -		tegra_hdmi_writel(hdmi, GENERIC_CTRL_AUDIO, -				  HDMI_NV_PDISP_HDMI_GENERIC_CTRL); - -	tegra_hdmi_setup_avi_infoframe(hdmi, mode); -	tegra_hdmi_setup_audio_infoframe(hdmi); -	tegra_hdmi_setup_stereo_infoframe(hdmi); - -	/* TMDS CONFIG */ -	if (of_device_is_compatible(node, "nvidia,tegra30-hdmi")) { -		num_tmds = ARRAY_SIZE(tegra3_tmds_config); -		tmds = tegra3_tmds_config; -	} else { -		num_tmds = ARRAY_SIZE(tegra2_tmds_config); -		tmds = tegra2_tmds_config; -	} - -	for (i = 0; i < num_tmds; i++) { -		if (pclk <= tmds[i].pclk) { -			tegra_hdmi_setup_tmds(hdmi, &tmds[i]); -			break; -		} -	} - -	tegra_hdmi_writel(hdmi, -			  SOR_SEQ_CTL_PU_PC(0) | -			  SOR_SEQ_PU_PC_ALT(0) | -			  SOR_SEQ_PD_PC(8) | -			  SOR_SEQ_PD_PC_ALT(8), -			  HDMI_NV_PDISP_SOR_SEQ_CTL); - -	value = SOR_SEQ_INST_WAIT_TIME(1) | -		SOR_SEQ_INST_WAIT_UNITS_VSYNC | -		SOR_SEQ_INST_HALT | -		SOR_SEQ_INST_PIN_A_LOW | -		SOR_SEQ_INST_PIN_B_LOW | -		SOR_SEQ_INST_DRIVE_PWM_OUT_LO; - -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(0)); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_SEQ_INST(8)); - -	value = 0x1c800; -	value &= ~SOR_CSTM_ROTCLK(~0); -	value |= SOR_CSTM_ROTCLK(2); -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_CSTM); - -	tegra_dc_writel(dc, DISP_CTRL_MODE_STOP, DC_CMD_DISPLAY_COMMAND); -	tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); -	tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); - -	/* start SOR */ -	tegra_hdmi_writel(hdmi, -			  SOR_PWR_NORMAL_STATE_PU | -			  SOR_PWR_NORMAL_START_NORMAL | -			  SOR_PWR_SAFE_STATE_PD | -			  SOR_PWR_SETTING_NEW_TRIGGER, -			  HDMI_NV_PDISP_SOR_PWR); -	tegra_hdmi_writel(hdmi, -			  SOR_PWR_NORMAL_STATE_PU | -			  SOR_PWR_NORMAL_START_NORMAL | -			  SOR_PWR_SAFE_STATE_PD | -			  SOR_PWR_SETTING_NEW_DONE, -			  HDMI_NV_PDISP_SOR_PWR); - -	do { -		BUG_ON(--retries < 0); -		value = tegra_hdmi_readl(hdmi, HDMI_NV_PDISP_SOR_PWR); -	} while (value & SOR_PWR_SETTING_NEW_PENDING); - -	value = SOR_STATE_ASY_CRCMODE_COMPLETE | -		SOR_STATE_ASY_OWNER_HEAD0 | -		SOR_STATE_ASY_SUBOWNER_BOTH | -		SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A | -		SOR_STATE_ASY_DEPOL_POS; - -	/* setup sync polarities */ -	if (mode->flags & DRM_MODE_FLAG_PHSYNC) -		value |= SOR_STATE_ASY_HSYNCPOL_POS; - -	if (mode->flags & DRM_MODE_FLAG_NHSYNC) -		value |= SOR_STATE_ASY_HSYNCPOL_NEG; - -	if (mode->flags & DRM_MODE_FLAG_PVSYNC) -		value |= SOR_STATE_ASY_VSYNCPOL_POS; - -	if (mode->flags & DRM_MODE_FLAG_NVSYNC) -		value |= SOR_STATE_ASY_VSYNCPOL_NEG; - -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE2); - -	value = SOR_STATE_ASY_HEAD_OPMODE_AWAKE | SOR_STATE_ASY_ORMODE_NORMAL; -	tegra_hdmi_writel(hdmi, value, HDMI_NV_PDISP_SOR_STATE1); - -	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0); -	tegra_hdmi_writel(hdmi, SOR_STATE_UPDATE, HDMI_NV_PDISP_SOR_STATE0); -	tegra_hdmi_writel(hdmi, value | SOR_STATE_ATTACHED, -			  HDMI_NV_PDISP_SOR_STATE1); -	tegra_hdmi_writel(hdmi, 0, HDMI_NV_PDISP_SOR_STATE0); - -	tegra_dc_writel(dc, HDMI_ENABLE, DC_DISP_DISP_WIN_OPTIONS); - -	value = PW0_ENABLE | PW1_ENABLE | PW2_ENABLE | PW3_ENABLE | -		PW4_ENABLE | PM0_ENABLE | PM1_ENABLE; -	tegra_dc_writel(dc, value, DC_CMD_DISPLAY_POWER_CONTROL); - -	value = DISP_CTRL_MODE_C_DISPLAY; -	tegra_dc_writel(dc, value, DC_CMD_DISPLAY_COMMAND); - -	tegra_dc_writel(dc, GENERAL_ACT_REQ << 8, DC_CMD_STATE_CONTROL); -	tegra_dc_writel(dc, GENERAL_ACT_REQ, DC_CMD_STATE_CONTROL); - -	/* TODO: add HDCP support */ - -	return 0; -} - -static int tegra_output_hdmi_disable(struct tegra_output *output) -{ -	struct tegra_hdmi *hdmi = to_hdmi(output); - -	tegra_periph_reset_assert(hdmi->clk); -	clk_disable(hdmi->clk); -	regulator_disable(hdmi->pll); -	regulator_disable(hdmi->vdd); - -	return 0; -} - -static int tegra_output_hdmi_setup_clock(struct tegra_output *output, -					 struct clk *clk, unsigned long pclk) -{ -	struct tegra_hdmi *hdmi = to_hdmi(output); -	struct clk *base; -	int err; - -	err = clk_set_parent(clk, hdmi->clk_parent); -	if (err < 0) { -		dev_err(output->dev, "failed to set parent: %d\n", err); -		return err; -	} - -	base = clk_get_parent(hdmi->clk_parent); - -	/* -	 * This assumes that the parent clock is pll_d_out0 or pll_d2_out -	 * respectively, each of which divides the base pll_d by 2. -	 */ -	err = clk_set_rate(base, pclk * 2); -	if (err < 0) -		dev_err(output->dev, -			"failed to set base clock rate to %lu Hz\n", -			pclk * 2); - -	return 0; -} - -static int tegra_output_hdmi_check_mode(struct tegra_output *output, -					struct drm_display_mode *mode, -					enum drm_mode_status *status) -{ -	struct tegra_hdmi *hdmi = to_hdmi(output); -	unsigned long pclk = mode->clock * 1000; -	struct clk *parent; -	long err; - -	parent = clk_get_parent(hdmi->clk_parent); - -	err = clk_round_rate(parent, pclk * 4); -	if (err < 0) -		*status = MODE_NOCLOCK; -	else -		*status = MODE_OK; - -	return 0; -} - -static const struct tegra_output_ops hdmi_ops = { -	.enable = tegra_output_hdmi_enable, -	.disable = tegra_output_hdmi_disable, -	.setup_clock = tegra_output_hdmi_setup_clock, -	.check_mode = tegra_output_hdmi_check_mode, -}; - -static int tegra_hdmi_show_regs(struct seq_file *s, void *data) -{ -	struct drm_info_node *node = s->private; -	struct tegra_hdmi *hdmi = node->info_ent->data; - -#define DUMP_REG(name)						\ -	seq_printf(s, "%-56s %#05x %08lx\n", #name, name,	\ -		tegra_hdmi_readl(hdmi, name)) - -	DUMP_REG(HDMI_CTXSW); -	DUMP_REG(HDMI_NV_PDISP_SOR_STATE0); -	DUMP_REG(HDMI_NV_PDISP_SOR_STATE1); -	DUMP_REG(HDMI_NV_PDISP_SOR_STATE2); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AN_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AN_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CN_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CN_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AKSV_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_AKSV_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_BKSV_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_BKSV_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CKSV_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CKSV_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_DKSV_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_DKSV_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CTRL); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CMODE); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_MPRIME_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_MPRIME_LSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB2); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB1); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_RI); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CS_MSB); -	DUMP_REG(HDMI_NV_PDISP_RG_HDCP_CS_LSB); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU0); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU_RDATA0); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU1); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_EMU2); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_STATUS); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_STATUS); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_STATUS); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_HEADER); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_LOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_HIGH); -	DUMP_REG(HDMI_NV_PDISP_HDMI_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_VSYNC_KEEPOUT); -	DUMP_REG(HDMI_NV_PDISP_HDMI_VSYNC_WINDOW); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_CTRL); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_STATUS); -	DUMP_REG(HDMI_NV_PDISP_HDMI_GCP_SUBPACK); -	DUMP_REG(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS1); -	DUMP_REG(HDMI_NV_PDISP_HDMI_CHANNEL_STATUS2); -	DUMP_REG(HDMI_NV_PDISP_HDMI_EMU0); -	DUMP_REG(HDMI_NV_PDISP_HDMI_EMU1); -	DUMP_REG(HDMI_NV_PDISP_HDMI_EMU1_RDATA); -	DUMP_REG(HDMI_NV_PDISP_HDMI_SPARE); -	DUMP_REG(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS1); -	DUMP_REG(HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS2); -	DUMP_REG(HDMI_NV_PDISP_HDMI_HDCPRIF_ROM_CTRL); -	DUMP_REG(HDMI_NV_PDISP_SOR_CAP); -	DUMP_REG(HDMI_NV_PDISP_SOR_PWR); -	DUMP_REG(HDMI_NV_PDISP_SOR_TEST); -	DUMP_REG(HDMI_NV_PDISP_SOR_PLL0); -	DUMP_REG(HDMI_NV_PDISP_SOR_PLL1); -	DUMP_REG(HDMI_NV_PDISP_SOR_PLL2); -	DUMP_REG(HDMI_NV_PDISP_SOR_CSTM); -	DUMP_REG(HDMI_NV_PDISP_SOR_LVDS); -	DUMP_REG(HDMI_NV_PDISP_SOR_CRCA); -	DUMP_REG(HDMI_NV_PDISP_SOR_CRCB); -	DUMP_REG(HDMI_NV_PDISP_SOR_BLANK); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_CTL); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(0)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(1)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(2)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(3)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(4)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(5)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(6)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(7)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(8)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(9)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(10)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(11)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(12)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(13)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(14)); -	DUMP_REG(HDMI_NV_PDISP_SOR_SEQ_INST(15)); -	DUMP_REG(HDMI_NV_PDISP_SOR_VCRCA0); -	DUMP_REG(HDMI_NV_PDISP_SOR_VCRCA1); -	DUMP_REG(HDMI_NV_PDISP_SOR_CCRCA0); -	DUMP_REG(HDMI_NV_PDISP_SOR_CCRCA1); -	DUMP_REG(HDMI_NV_PDISP_SOR_EDATAA0); -	DUMP_REG(HDMI_NV_PDISP_SOR_EDATAA1); -	DUMP_REG(HDMI_NV_PDISP_SOR_COUNTA0); -	DUMP_REG(HDMI_NV_PDISP_SOR_COUNTA1); -	DUMP_REG(HDMI_NV_PDISP_SOR_DEBUGA0); -	DUMP_REG(HDMI_NV_PDISP_SOR_DEBUGA1); -	DUMP_REG(HDMI_NV_PDISP_SOR_TRIG); -	DUMP_REG(HDMI_NV_PDISP_SOR_MSCHECK); -	DUMP_REG(HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG0); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG1); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_DEBUG2); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(0)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(1)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(2)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(3)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(4)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(5)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_FS(6)); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_PULSE_WIDTH); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_THRESHOLD); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_CNTRL0); -	DUMP_REG(HDMI_NV_PDISP_AUDIO_N); -	DUMP_REG(HDMI_NV_PDISP_HDCPRIF_ROM_TIMING); -	DUMP_REG(HDMI_NV_PDISP_SOR_REFCLK); -	DUMP_REG(HDMI_NV_PDISP_CRC_CONTROL); -	DUMP_REG(HDMI_NV_PDISP_INPUT_CONTROL); -	DUMP_REG(HDMI_NV_PDISP_SCRATCH); -	DUMP_REG(HDMI_NV_PDISP_PE_CURRENT); -	DUMP_REG(HDMI_NV_PDISP_KEY_CTRL); -	DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG0); -	DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG1); -	DUMP_REG(HDMI_NV_PDISP_KEY_DEBUG2); -	DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_0); -	DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_1); -	DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_2); -	DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_3); -	DUMP_REG(HDMI_NV_PDISP_KEY_HDCP_KEY_TRIG); -	DUMP_REG(HDMI_NV_PDISP_KEY_SKEY_INDEX); -	DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_CNTRL0); -	DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR); -	DUMP_REG(HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE); - -#undef DUMP_REG - -	return 0; -} - -static struct drm_info_list debugfs_files[] = { -	{ "regs", tegra_hdmi_show_regs, 0, NULL }, -}; - -static int tegra_hdmi_debugfs_init(struct tegra_hdmi *hdmi, -				   struct drm_minor *minor) -{ -	unsigned int i; -	int err; - -	hdmi->debugfs = debugfs_create_dir("hdmi", minor->debugfs_root); -	if (!hdmi->debugfs) -		return -ENOMEM; - -	hdmi->debugfs_files = kmemdup(debugfs_files, sizeof(debugfs_files), -				      GFP_KERNEL); -	if (!hdmi->debugfs_files) { -		err = -ENOMEM; -		goto remove; -	} - -	for (i = 0; i < ARRAY_SIZE(debugfs_files); i++) -		hdmi->debugfs_files[i].data = hdmi; - -	err = drm_debugfs_create_files(hdmi->debugfs_files, -				       ARRAY_SIZE(debugfs_files), -				       hdmi->debugfs, minor); -	if (err < 0) -		goto free; - -	hdmi->minor = minor; - -	return 0; - -free: -	kfree(hdmi->debugfs_files); -	hdmi->debugfs_files = NULL; -remove: -	debugfs_remove(hdmi->debugfs); -	hdmi->debugfs = NULL; - -	return err; -} - -static int tegra_hdmi_debugfs_exit(struct tegra_hdmi *hdmi) -{ -	drm_debugfs_remove_files(hdmi->debugfs_files, ARRAY_SIZE(debugfs_files), -				 hdmi->minor); -	hdmi->minor = NULL; - -	kfree(hdmi->debugfs_files); -	hdmi->debugfs_files = NULL; - -	debugfs_remove(hdmi->debugfs); -	hdmi->debugfs = NULL; - -	return 0; -} - -static int tegra_hdmi_drm_init(struct host1x_client *client, -			       struct drm_device *drm) -{ -	struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client); -	int err; - -	hdmi->output.type = TEGRA_OUTPUT_HDMI; -	hdmi->output.dev = client->dev; -	hdmi->output.ops = &hdmi_ops; - -	err = tegra_output_init(drm, &hdmi->output); -	if (err < 0) { -		dev_err(client->dev, "output setup failed: %d\n", err); -		return err; -	} - -	if (IS_ENABLED(CONFIG_DEBUG_FS)) { -		err = tegra_hdmi_debugfs_init(hdmi, drm->primary); -		if (err < 0) -			dev_err(client->dev, "debugfs setup failed: %d\n", err); -	} - -	return 0; -} - -static int tegra_hdmi_drm_exit(struct host1x_client *client) -{ -	struct tegra_hdmi *hdmi = host1x_client_to_hdmi(client); -	int err; - -	if (IS_ENABLED(CONFIG_DEBUG_FS)) { -		err = tegra_hdmi_debugfs_exit(hdmi); -		if (err < 0) -			dev_err(client->dev, "debugfs cleanup failed: %d\n", -				err); -	} - -	err = tegra_output_disable(&hdmi->output); -	if (err < 0) { -		dev_err(client->dev, "output failed to disable: %d\n", err); -		return err; -	} - -	err = tegra_output_exit(&hdmi->output); -	if (err < 0) { -		dev_err(client->dev, "output cleanup failed: %d\n", err); -		return err; -	} - -	return 0; -} - -static const struct host1x_client_ops hdmi_client_ops = { -	.drm_init = tegra_hdmi_drm_init, -	.drm_exit = tegra_hdmi_drm_exit, -}; - -static int tegra_hdmi_probe(struct platform_device *pdev) -{ -	struct host1x *host1x = dev_get_drvdata(pdev->dev.parent); -	struct tegra_hdmi *hdmi; -	struct resource *regs; -	int err; - -	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL); -	if (!hdmi) -		return -ENOMEM; - -	hdmi->dev = &pdev->dev; -	hdmi->audio_source = AUTO; -	hdmi->audio_freq = 44100; -	hdmi->stereo = false; -	hdmi->dvi = false; - -	hdmi->clk = devm_clk_get(&pdev->dev, NULL); -	if (IS_ERR(hdmi->clk)) { -		dev_err(&pdev->dev, "failed to get clock\n"); -		return PTR_ERR(hdmi->clk); -	} - -	err = clk_prepare(hdmi->clk); -	if (err < 0) -		return err; - -	hdmi->clk_parent = devm_clk_get(&pdev->dev, "parent"); -	if (IS_ERR(hdmi->clk_parent)) -		return PTR_ERR(hdmi->clk_parent); - -	err = clk_prepare(hdmi->clk_parent); -	if (err < 0) -		return err; - -	err = clk_set_parent(hdmi->clk, hdmi->clk_parent); -	if (err < 0) { -		dev_err(&pdev->dev, "failed to setup clocks: %d\n", err); -		return err; -	} - -	hdmi->vdd = devm_regulator_get(&pdev->dev, "vdd"); -	if (IS_ERR(hdmi->vdd)) { -		dev_err(&pdev->dev, "failed to get VDD regulator\n"); -		return PTR_ERR(hdmi->vdd); -	} - -	hdmi->pll = devm_regulator_get(&pdev->dev, "pll"); -	if (IS_ERR(hdmi->pll)) { -		dev_err(&pdev->dev, "failed to get PLL regulator\n"); -		return PTR_ERR(hdmi->pll); -	} - -	hdmi->output.dev = &pdev->dev; - -	err = tegra_output_parse_dt(&hdmi->output); -	if (err < 0) -		return err; - -	regs = platform_get_resource(pdev, IORESOURCE_MEM, 0); -	if (!regs) -		return -ENXIO; - -	hdmi->regs = devm_ioremap_resource(&pdev->dev, regs); -	if (IS_ERR(hdmi->regs)) -		return PTR_ERR(hdmi->regs); - -	err = platform_get_irq(pdev, 0); -	if (err < 0) -		return err; - -	hdmi->irq = err; - -	hdmi->client.ops = &hdmi_client_ops; -	INIT_LIST_HEAD(&hdmi->client.list); -	hdmi->client.dev = &pdev->dev; - -	err = host1x_register_client(host1x, &hdmi->client); -	if (err < 0) { -		dev_err(&pdev->dev, "failed to register host1x client: %d\n", -			err); -		return err; -	} - -	platform_set_drvdata(pdev, hdmi); - -	return 0; -} - -static int tegra_hdmi_remove(struct platform_device *pdev) -{ -	struct host1x *host1x = dev_get_drvdata(pdev->dev.parent); -	struct tegra_hdmi *hdmi = platform_get_drvdata(pdev); -	int err; - -	err = host1x_unregister_client(host1x, &hdmi->client); -	if (err < 0) { -		dev_err(&pdev->dev, "failed to unregister host1x client: %d\n", -			err); -		return err; -	} - -	clk_unprepare(hdmi->clk_parent); -	clk_unprepare(hdmi->clk); - -	return 0; -} - -static struct of_device_id tegra_hdmi_of_match[] = { -	{ .compatible = "nvidia,tegra30-hdmi", }, -	{ .compatible = "nvidia,tegra20-hdmi", }, -	{ }, -}; - -struct platform_driver tegra_hdmi_driver = { -	.driver = { -		.name = "tegra-hdmi", -		.owner = THIS_MODULE, -		.of_match_table = tegra_hdmi_of_match, -	}, -	.probe = tegra_hdmi_probe, -	.remove = tegra_hdmi_remove, -}; | 
