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authorTerje Bergstrom <tbergstrom@nvidia.com>2013-03-22 16:34:05 +0200
committerThierry Reding <thierry.reding@avionic-design.de>2013-04-22 12:39:11 +0200
commit4231c6b01af9f0f3eeca4b8d0d87125d78233b41 (patch)
tree479f497053b58427bfd8ae54a080113b23de79ff /drivers/gpu/drm/tegra/hdmi.c
parentgpu: host1x: Add debug support (diff)
downloadlinux-dev-4231c6b01af9f0f3eeca4b8d0d87125d78233b41.tar.xz
linux-dev-4231c6b01af9f0f3eeca4b8d0d87125d78233b41.zip
drm/tegra: Move drm to live under host1x
Make drm part of host1x driver. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/drm/tegra/hdmi.c')
-rw-r--r--drivers/gpu/drm/tegra/hdmi.c1312
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,
-};