Re: [PATCH v2 2/2] drm: tegra: Add HDMI support
From: Mark Zhang
Date: Tue Nov 13 2012 - 02:28:02 EST
The patch is OK. Acknowledged. Thanks.
Mark
On 11/13/2012 05:55 AM, Thierry Reding wrote:
> This commit adds support for the HDMI output on the Tegra20 SoC. Only
> one such output is available, but it can be driven by either of the two
> display controllers.
>
> A lot of work on this patch has been contributed by NVIDIA's Mark Zhang
> <markz@xxxxxxxxxx> and many other people at NVIDIA were very helpful in
> getting the HDMI support and surrounding infrastructure to work.
>
> Signed-off-by: Thierry Reding <thierry.reding@xxxxxxxxxxxxxxxxx>
> ---
> Changes in v2:
> - reuse debugfs infrastructure provided by the DRM core
>
> drivers/gpu/drm/tegra/Makefile | 2 +-
> drivers/gpu/drm/tegra/drm.h | 2 +
> drivers/gpu/drm/tegra/hdmi.c | 1324 ++++++++++++++++++++++++++++++++++++++++
> drivers/gpu/drm/tegra/hdmi.h | 575 +++++++++++++++++
> drivers/gpu/drm/tegra/host1x.c | 8 +
> 5 files changed, 1910 insertions(+), 1 deletion(-)
> create mode 100644 drivers/gpu/drm/tegra/hdmi.c
> create mode 100644 drivers/gpu/drm/tegra/hdmi.h
>
> diff --git a/drivers/gpu/drm/tegra/Makefile b/drivers/gpu/drm/tegra/Makefile
> index 624a807..80f73d1 100644
> --- a/drivers/gpu/drm/tegra/Makefile
> +++ b/drivers/gpu/drm/tegra/Makefile
> @@ -2,6 +2,6 @@ ccflags-y := -Iinclude/drm
> ccflags-$(CONFIG_DRM_TEGRA_DEBUG) += -DDEBUG
>
> tegra-drm-y := drm.o fb.o dc.o host1x.o
> -tegra-drm-y += output.o rgb.o
> +tegra-drm-y += output.o rgb.o hdmi.o
>
> obj-$(CONFIG_DRM_TEGRA) += tegra-drm.o
> diff --git a/drivers/gpu/drm/tegra/drm.h b/drivers/gpu/drm/tegra/drm.h
> index a1a891e..c2c4d16 100644
> --- a/drivers/gpu/drm/tegra/drm.h
> +++ b/drivers/gpu/drm/tegra/drm.h
> @@ -131,6 +131,7 @@ struct tegra_output_ops {
>
> enum tegra_output_type {
> TEGRA_OUTPUT_RGB,
> + TEGRA_OUTPUT_HDMI,
> };
>
> struct tegra_output {
> @@ -225,6 +226,7 @@ extern int tegra_drm_fb_init(struct drm_device *drm);
> extern void tegra_drm_fb_exit(struct drm_device *drm);
>
> extern struct platform_driver tegra_host1x_driver;
> +extern struct platform_driver tegra_hdmi_driver;
> extern struct platform_driver tegra_dc_driver;
> extern struct drm_driver tegra_drm_driver;
>
> diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c
> new file mode 100644
> index 0000000..61a1d14
> --- /dev/null
> +++ b/drivers/gpu/drm/tegra/hdmi.c
> @@ -0,0 +1,1324 @@
> +/*
> + * 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/module.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/regulator/consumer.h>
> +
> +#include <mach/clk.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[] = {
> + { /* 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(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),
> + }, { /* 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(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),
> + }, { /* 1080p 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 void tegra_hdmi_write_infopack(struct tegra_hdmi *hdmi,
> + unsigned int offset, u8 type,
> + u8 version, void *data, size_t size)
> +{
> + unsigned long value;
> + u8 *ptr = data;
> + u32 subpack[2];
> + size_t i;
> + u8 csum;
> +
> + /* first byte of data is the checksum */
> + csum = type + version + size - 1;
> +
> + for (i = 1; i < size; i++)
> + csum += ptr[i];
> +
> + ptr[0] = 0x100 - csum;
> +
> + value = INFOFRAME_HEADER_TYPE(type) |
> + INFOFRAME_HEADER_VERSION(version) |
> + INFOFRAME_HEADER_LEN(size - 1);
> + tegra_hdmi_writel(hdmi, value, offset);
> +
> + /* The audio inforame only has one set of subpack registers. The hdmi
> + * block pads the rest of the data as per the spec so we have to fixup
> + * the length before filling in the subpacks.
> + */
> + if (offset == HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER)
> + size = 6;
> +
> + /* each subpack 7 bytes devided into:
> + * subpack_low - bytes 0 - 3
> + * subpack_high - bytes 4 - 6 (with byte 7 padded to 0x00)
> + */
> + for (i = 0; i < size; i++) {
> + size_t index = i % 7;
> +
> + if (index == 0)
> + memset(subpack, 0x0, sizeof(subpack));
> +
> + ((u8 *)subpack)[index] = ptr[i];
> +
> + if (index == 6 || (i + 1 == size)) {
> + unsigned int reg = offset + 1 + (i / 7) * 2;
> +
> + tegra_hdmi_writel(hdmi, subpack[0], reg);
> + tegra_hdmi_writel(hdmi, subpack[1], reg + 1);
> + }
> + }
> +}
> +
> +static void tegra_hdmi_setup_avi_infoframe(struct tegra_hdmi *hdmi,
> + struct drm_display_mode *mode)
> +{
> + struct hdmi_avi_infoframe frame;
> + unsigned int h_front_porch;
> + unsigned int hsize = 16;
> + unsigned int vsize = 9;
> +
> + if (hdmi->dvi) {
> + tegra_hdmi_writel(hdmi, 0,
> + HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL);
> + return;
> + }
> +
> + h_front_porch = mode->htotal - mode->hsync_end;
> + memset(&frame, 0, sizeof(frame));
> + frame.r = HDMI_AVI_R_SAME;
> +
> + switch (mode->vdisplay) {
> + case 480:
> + if (mode->hdisplay == 640) {
> + frame.m = HDMI_AVI_M_4_3;
> + frame.vic = 1;
> + } else {
> + frame.m = HDMI_AVI_M_16_9;
> + frame.vic = 3;
> + }
> + break;
> +
> + case 576:
> + if (((hsize * 10) / vsize) > 14) {
> + frame.m = HDMI_AVI_M_16_9;
> + frame.vic = 18;
> + } else {
> + frame.m = HDMI_AVI_M_4_3;
> + frame.vic = 17;
> + }
> + break;
> +
> + case 720:
> + case 1470: /* stereo mode */
> + frame.m = HDMI_AVI_M_16_9;
> +
> + if (h_front_porch == 110)
> + frame.vic = 4;
> + else
> + frame.vic = 19;
> + break;
> +
> + case 1080:
> + case 2205: /* stereo mode */
> + frame.m = HDMI_AVI_M_16_9;
> +
> + switch (h_front_porch) {
> + case 88:
> + frame.vic = 16;
> + break;
> +
> + case 528:
> + frame.vic = 31;
> + break;
> +
> + default:
> + frame.vic = 32;
> + break;
> + }
> + break;
> +
> + default:
> + frame.m = HDMI_AVI_M_16_9;
> + frame.vic = 0;
> + break;
> + }
> +
> + tegra_hdmi_write_infopack(hdmi, HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER,
> + HDMI_INFOFRAME_TYPE_AVI, HDMI_AVI_VERSION,
> + &frame, sizeof(frame));
> +
> + 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;
> +
> + if (hdmi->dvi) {
> + tegra_hdmi_writel(hdmi, 0,
> + HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL);
> + return;
> + }
> +
> + memset(&frame, 0, sizeof(frame));
> + frame.cc = HDMI_AUDIO_CC_2;
> +
> + tegra_hdmi_write_infopack(hdmi,
> + HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER,
> + HDMI_INFOFRAME_TYPE_AUDIO,
> + HDMI_AUDIO_VERSION,
> + &frame, sizeof(frame));
> +
> + 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_stereo_infoframe frame;
> + unsigned long value;
> +
> + 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.regid0 = 0x03;
> + frame.regid1 = 0x0c;
> + frame.regid2 = 0x00;
> + frame.hdmi_video_format = 2;
> +
> + /* TODO: 74 MHz limit? */
> + if (1) {
> + frame._3d_structure = 0;
> + } else {
> + frame._3d_structure = 8;
> + frame._3d_ext_data = 0;
> + }
> +
> + tegra_hdmi_write_infopack(hdmi, HDMI_NV_PDISP_HDMI_GENERIC_HEADER,
> + HDMI_INFOFRAME_TYPE_VENDOR,
> + HDMI_VENDOR_VERSION, &frame, 6);
> +
> + 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_front_porch = mode->htotal - mode->hsync_end;
> + h_back_porch = mode->hsync_start - mode->hdisplay;
> + dev_dbg(output->dev, "SW/FP/BP: %u %u %u\n",
> + h_sync_width, h_front_porch, h_back_porch);
> +
> + 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_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_OR_NULL(hdmi->clk))
> + 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_OR_NULL(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_OR_NULL(hdmi->vdd)) {
> + err = PTR_ERR(hdmi->vdd);
> + dev_err(&pdev->dev, "failed to get VDD regulator: %d\n", err);
> + return err;
> + }
> +
> + hdmi->pll = devm_regulator_get(&pdev->dev, "pll");
> + if (IS_ERR_OR_NULL(hdmi->pll)) {
> + err = PTR_ERR(hdmi->pll);
> + dev_err(&pdev->dev, "failed to get PLL regulator: %d\n", err);
> + return err;
> + }
> +
> + regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
> + if (!regs)
> + return -ENXIO;
> +
> + hdmi->regs = devm_request_and_ioremap(&pdev->dev, regs);
> + if (!hdmi->regs)
> + return -EADDRNOTAVAIL;
> +
> + 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,tegra20-hdmi", },
> + { .compatible = "nvidia,tegra30-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,
> +};
> diff --git a/drivers/gpu/drm/tegra/hdmi.h b/drivers/gpu/drm/tegra/hdmi.h
> new file mode 100644
> index 0000000..1477f36
> --- /dev/null
> +++ b/drivers/gpu/drm/tegra/hdmi.h
> @@ -0,0 +1,575 @@
> +/*
> + * 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.
> + */
> +
> +#ifndef TEGRA_HDMI_H
> +#define TEGRA_HDMI_H 1
> +
> +#define HDMI_INFOFRAME_TYPE_VENDOR 0x81
> +#define HDMI_INFOFRAME_TYPE_AVI 0x82
> +#define HDMI_INFOFRAME_TYPE_SPD 0x83
> +#define HDMI_INFOFRAME_TYPE_AUDIO 0x84
> +#define HDMI_INFOFRAME_TYPE_MPEG_SRC 0x85
> +#define HDMI_INFOFRAME_TYPE_NTSC_VBI 0x86
> +
> +/* all fields little endian */
> +struct hdmi_avi_infoframe {
> + /* PB0 */
> + u8 csum;
> +
> + /* PB1 */
> + unsigned s:2; /* scan information */
> + unsigned b:2; /* bar info data valid */
> + unsigned a:1; /* active info present */
> + unsigned y:2; /* RGB or YCbCr */
> + unsigned res1:1;
> +
> + /* PB2 */
> + unsigned r:4; /* active format aspect ratio */
> + unsigned m:2; /* picture aspect ratio */
> + unsigned c:2; /* colorimetry */
> +
> + /* PB3 */
> + unsigned sc:2; /* scan information */
> + unsigned q:2; /* quantization range */
> + unsigned ec:3; /* extended colorimetry */
> + unsigned itc:1; /* it content */
> +
> + /* PB4 */
> + unsigned vic:7; /* video format id code */
> + unsigned res4:1;
> +
> + /* PB5 */
> + unsigned pr:4; /* pixel repetition factor */
> + unsigned cn:2; /* it content type*/
> + unsigned yq:2; /* ycc quantization range */
> +
> + /* PB6-7 */
> + u16 top_bar_end_line;
> +
> + /* PB8-9 */
> + u16 bot_bar_start_line;
> +
> + /* PB10-11 */
> + u16 left_bar_end_pixel;
> +
> + /* PB12-13 */
> + u16 right_bar_start_pixel;
> +} __packed;
> +
> +#define HDMI_AVI_VERSION 0x02
> +
> +#define HDMI_AVI_Y_RGB 0x0
> +#define HDMI_AVI_Y_YCBCR_422 0x1
> +#define HDMI_AVI_Y_YCBCR_444 0x2
> +
> +#define HDMI_AVI_B_VERT 0x1
> +#define HDMI_AVI_B_HORIZ 0x2
> +
> +#define HDMI_AVI_S_NONE 0x0
> +#define HDMI_AVI_S_OVERSCAN 0x1
> +#define HDMI_AVI_S_UNDERSCAN 0x2
> +
> +#define HDMI_AVI_C_NONE 0x0
> +#define HDMI_AVI_C_SMPTE 0x1
> +#define HDMI_AVI_C_ITU_R 0x2
> +#define HDMI_AVI_C_EXTENDED 0x4
> +
> +#define HDMI_AVI_M_4_3 0x1
> +#define HDMI_AVI_M_16_9 0x2
> +
> +#define HDMI_AVI_R_SAME 0x8
> +#define HDMI_AVI_R_4_3_CENTER 0x9
> +#define HDMI_AVI_R_16_9_CENTER 0xa
> +#define HDMI_AVI_R_14_9_CENTER 0xb
> +
> +/* all fields little endian */
> +struct hdmi_audio_infoframe {
> + /* PB0 */
> + u8 csum;
> +
> + /* PB1 */
> + unsigned cc:3; /* channel count */
> + unsigned res1:1;
> + unsigned ct:4; /* coding type */
> +
> + /* PB2 */
> + unsigned ss:2; /* sample size */
> + unsigned sf:3; /* sample frequency */
> + unsigned res2:3;
> +
> + /* PB3 */
> + unsigned cxt:5; /* coding extention type */
> + unsigned res3:3;
> +
> + /* PB4 */
> + u8 ca; /* channel/speaker allocation */
> +
> + /* PB5 */
> + unsigned res5:3;
> + unsigned lsv:4; /* level shift value */
> + unsigned dm_inh:1; /* downmix inhibit */
> +
> + /* PB6-10 reserved */
> + u8 res6;
> + u8 res7;
> + u8 res8;
> + u8 res9;
> + u8 res10;
> +} __packed;
> +
> +#define HDMI_AUDIO_VERSION 0x01
> +
> +#define HDMI_AUDIO_CC_STREAM 0x0 /* specified by audio stream */
> +#define HDMI_AUDIO_CC_2 0x1
> +#define HDMI_AUDIO_CC_3 0x2
> +#define HDMI_AUDIO_CC_4 0x3
> +#define HDMI_AUDIO_CC_5 0x4
> +#define HDMI_AUDIO_CC_6 0x5
> +#define HDMI_AUDIO_CC_7 0x6
> +#define HDMI_AUDIO_CC_8 0x7
> +
> +#define HDMI_AUDIO_CT_STREAM 0x0 /* specified by audio stream */
> +#define HDMI_AUDIO_CT_PCM 0x1
> +#define HDMI_AUDIO_CT_AC3 0x2
> +#define HDMI_AUDIO_CT_MPEG1 0x3
> +#define HDMI_AUDIO_CT_MP3 0x4
> +#define HDMI_AUDIO_CT_MPEG2 0x5
> +#define HDMI_AUDIO_CT_AAC_LC 0x6
> +#define HDMI_AUDIO_CT_DTS 0x7
> +#define HDMI_AUDIO_CT_ATRAC 0x8
> +#define HDMI_AUDIO_CT_DSD 0x9
> +#define HDMI_AUDIO_CT_E_AC3 0xa
> +#define HDMI_AUDIO_CT_DTS_HD 0xb
> +#define HDMI_AUDIO_CT_MLP 0xc
> +#define HDMI_AUDIO_CT_DST 0xd
> +#define HDMI_AUDIO_CT_WMA_PRO 0xe
> +#define HDMI_AUDIO_CT_CXT 0xf
> +
> +#define HDMI_AUDIO_SF_STREAM 0x0 /* specified by audio stream */
> +#define HDMI_AUIDO_SF_32K 0x1
> +#define HDMI_AUDIO_SF_44_1K 0x2
> +#define HDMI_AUDIO_SF_48K 0x3
> +#define HDMI_AUDIO_SF_88_2K 0x4
> +#define HDMI_AUDIO_SF_96K 0x5
> +#define HDMI_AUDIO_SF_176_4K 0x6
> +#define HDMI_AUDIO_SF_192K 0x7
> +
> +#define HDMI_AUDIO_SS_STREAM 0x0 /* specified by audio stream */
> +#define HDMI_AUDIO_SS_16BIT 0x1
> +#define HDMI_AUDIO_SS_20BIT 0x2
> +#define HDMI_AUDIO_SS_24BIT 0x3
> +
> +#define HDMI_AUDIO_CXT_CT 0x0 /* refer to coding in CT */
> +#define HDMI_AUDIO_CXT_HE_AAC 0x1
> +#define HDMI_AUDIO_CXT_HE_AAC_V2 0x2
> +#define HDMI_AUDIO_CXT_MPEG_SURROUND 0x3
> +
> +/* all fields little endian */
> +struct hdmi_stereo_infoframe {
> + /* PB0 */
> + u8 csum;
> +
> + /* PB1 */
> + u8 regid0;
> +
> + /* PB2 */
> + u8 regid1;
> +
> + /* PB3 */
> + u8 regid2;
> +
> + /* PB4 */
> + unsigned res1:5;
> + unsigned hdmi_video_format:3;
> +
> + /* PB5 */
> + unsigned res2:4;
> + unsigned _3d_structure:4;
> +
> + /* PB6*/
> + unsigned res3:4;
> + unsigned _3d_ext_data:4;
> +} __packed;
> +
> +#define HDMI_VENDOR_VERSION 0x01
> +
> +/* register definitions */
> +#define HDMI_CTXSW 0x00
> +
> +#define HDMI_NV_PDISP_SOR_STATE0 0x01
> +#define SOR_STATE_UPDATE (1 << 0)
> +
> +#define HDMI_NV_PDISP_SOR_STATE1 0x02
> +#define SOR_STATE_ASY_HEAD_OPMODE_AWAKE (2 << 0)
> +#define SOR_STATE_ASY_ORMODE_NORMAL (1 << 2)
> +#define SOR_STATE_ATTACHED (1 << 3)
> +
> +#define HDMI_NV_PDISP_SOR_STATE2 0x03
> +#define SOR_STATE_ASY_OWNER_NONE (0 << 0)
> +#define SOR_STATE_ASY_OWNER_HEAD0 (1 << 0)
> +#define SOR_STATE_ASY_SUBOWNER_NONE (0 << 4)
> +#define SOR_STATE_ASY_SUBOWNER_SUBHEAD0 (1 << 4)
> +#define SOR_STATE_ASY_SUBOWNER_SUBHEAD1 (2 << 4)
> +#define SOR_STATE_ASY_SUBOWNER_BOTH (3 << 4)
> +#define SOR_STATE_ASY_CRCMODE_ACTIVE (0 << 6)
> +#define SOR_STATE_ASY_CRCMODE_COMPLETE (1 << 6)
> +#define SOR_STATE_ASY_CRCMODE_NON_ACTIVE (2 << 6)
> +#define SOR_STATE_ASY_PROTOCOL_SINGLE_TMDS_A (1 << 8)
> +#define SOR_STATE_ASY_PROTOCOL_CUSTOM (15 << 8)
> +#define SOR_STATE_ASY_HSYNCPOL_POS (0 << 12)
> +#define SOR_STATE_ASY_HSYNCPOL_NEG (1 << 12)
> +#define SOR_STATE_ASY_VSYNCPOL_POS (0 << 13)
> +#define SOR_STATE_ASY_VSYNCPOL_NEG (1 << 13)
> +#define SOR_STATE_ASY_DEPOL_POS (0 << 14)
> +#define SOR_STATE_ASY_DEPOL_NEG (1 << 14)
> +
> +#define HDMI_NV_PDISP_RG_HDCP_AN_MSB 0x04
> +#define HDMI_NV_PDISP_RG_HDCP_AN_LSB 0x05
> +#define HDMI_NV_PDISP_RG_HDCP_CN_MSB 0x06
> +#define HDMI_NV_PDISP_RG_HDCP_CN_LSB 0x07
> +#define HDMI_NV_PDISP_RG_HDCP_AKSV_MSB 0x08
> +#define HDMI_NV_PDISP_RG_HDCP_AKSV_LSB 0x09
> +#define HDMI_NV_PDISP_RG_HDCP_BKSV_MSB 0x0a
> +#define HDMI_NV_PDISP_RG_HDCP_BKSV_LSB 0x0b
> +#define HDMI_NV_PDISP_RG_HDCP_CKSV_MSB 0x0c
> +#define HDMI_NV_PDISP_RG_HDCP_CKSV_LSB 0x0d
> +#define HDMI_NV_PDISP_RG_HDCP_DKSV_MSB 0x0e
> +#define HDMI_NV_PDISP_RG_HDCP_DKSV_LSB 0x0f
> +#define HDMI_NV_PDISP_RG_HDCP_CTRL 0x10
> +#define HDMI_NV_PDISP_RG_HDCP_CMODE 0x11
> +#define HDMI_NV_PDISP_RG_HDCP_MPRIME_MSB 0x12
> +#define HDMI_NV_PDISP_RG_HDCP_MPRIME_LSB 0x13
> +#define HDMI_NV_PDISP_RG_HDCP_SPRIME_MSB 0x14
> +#define HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB2 0x15
> +#define HDMI_NV_PDISP_RG_HDCP_SPRIME_LSB1 0x16
> +#define HDMI_NV_PDISP_RG_HDCP_RI 0x17
> +#define HDMI_NV_PDISP_RG_HDCP_CS_MSB 0x18
> +#define HDMI_NV_PDISP_RG_HDCP_CS_LSB 0x19
> +#define HDMI_NV_PDISP_HDMI_AUDIO_EMU0 0x1a
> +#define HDMI_NV_PDISP_HDMI_AUDIO_EMU_RDATA0 0x1b
> +#define HDMI_NV_PDISP_HDMI_AUDIO_EMU1 0x1c
> +#define HDMI_NV_PDISP_HDMI_AUDIO_EMU2 0x1d
> +
> +#define HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_CTRL 0x1e
> +#define HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_STATUS 0x1f
> +#define HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_HEADER 0x20
> +#define HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_LOW 0x21
> +#define HDMI_NV_PDISP_HDMI_AUDIO_INFOFRAME_SUBPACK0_HIGH 0x22
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_CTRL 0x23
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_STATUS 0x24
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_HEADER 0x25
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_LOW 0x26
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK0_HIGH 0x27
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_LOW 0x28
> +#define HDMI_NV_PDISP_HDMI_AVI_INFOFRAME_SUBPACK1_HIGH 0x29
> +
> +#define INFOFRAME_CTRL_ENABLE (1 << 0)
> +
> +#define INFOFRAME_HEADER_TYPE(x) (((x) & 0xff) << 0)
> +#define INFOFRAME_HEADER_VERSION(x) (((x) & 0xff) << 8)
> +#define INFOFRAME_HEADER_LEN(x) (((x) & 0x0f) << 16)
> +
> +#define HDMI_NV_PDISP_HDMI_GENERIC_CTRL 0x2a
> +#define GENERIC_CTRL_ENABLE (1 << 0)
> +#define GENERIC_CTRL_OTHER (1 << 4)
> +#define GENERIC_CTRL_SINGLE (1 << 8)
> +#define GENERIC_CTRL_HBLANK (1 << 12)
> +#define GENERIC_CTRL_AUDIO (1 << 16)
> +
> +#define HDMI_NV_PDISP_HDMI_GENERIC_STATUS 0x2b
> +#define HDMI_NV_PDISP_HDMI_GENERIC_HEADER 0x2c
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_LOW 0x2d
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK0_HIGH 0x2e
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_LOW 0x2f
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK1_HIGH 0x30
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_LOW 0x31
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK2_HIGH 0x32
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_LOW 0x33
> +#define HDMI_NV_PDISP_HDMI_GENERIC_SUBPACK3_HIGH 0x34
> +
> +#define HDMI_NV_PDISP_HDMI_ACR_CTRL 0x35
> +#define HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_LOW 0x36
> +#define HDMI_NV_PDISP_HDMI_ACR_0320_SUBPACK_HIGH 0x37
> +#define HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_LOW 0x38
> +#define HDMI_NV_PDISP_HDMI_ACR_0441_SUBPACK_HIGH 0x39
> +#define HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_LOW 0x3a
> +#define HDMI_NV_PDISP_HDMI_ACR_0882_SUBPACK_HIGH 0x3b
> +#define HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_LOW 0x3c
> +#define HDMI_NV_PDISP_HDMI_ACR_1764_SUBPACK_HIGH 0x3d
> +#define HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_LOW 0x3e
> +#define HDMI_NV_PDISP_HDMI_ACR_0480_SUBPACK_HIGH 0x3f
> +#define HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_LOW 0x40
> +#define HDMI_NV_PDISP_HDMI_ACR_0960_SUBPACK_HIGH 0x41
> +#define HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_LOW 0x42
> +#define HDMI_NV_PDISP_HDMI_ACR_1920_SUBPACK_HIGH 0x43
> +
> +#define ACR_SUBPACK_CTS(x) (((x) & 0xffffff) << 8)
> +#define ACR_SUBPACK_N(x) (((x) & 0xffffff) << 0)
> +#define ACR_ENABLE (1 << 31)
> +
> +#define HDMI_NV_PDISP_HDMI_CTRL 0x44
> +#define HDMI_CTRL_REKEY(x) (((x) & 0x7f) << 0)
> +#define HDMI_CTRL_MAX_AC_PACKET(x) (((x) & 0x1f) << 16)
> +#define HDMI_CTRL_ENABLE (1 << 30)
> +
> +#define HDMI_NV_PDISP_HDMI_VSYNC_KEEPOUT 0x45
> +#define HDMI_NV_PDISP_HDMI_VSYNC_WINDOW 0x46
> +#define VSYNC_WINDOW_END(x) (((x) & 0x3ff) << 0)
> +#define VSYNC_WINDOW_START(x) (((x) & 0x3ff) << 16)
> +#define VSYNC_WINDOW_ENABLE (1 << 31)
> +
> +#define HDMI_NV_PDISP_HDMI_GCP_CTRL 0x47
> +#define HDMI_NV_PDISP_HDMI_GCP_STATUS 0x48
> +#define HDMI_NV_PDISP_HDMI_GCP_SUBPACK 0x49
> +#define HDMI_NV_PDISP_HDMI_CHANNEL_STATUS1 0x4a
> +#define HDMI_NV_PDISP_HDMI_CHANNEL_STATUS2 0x4b
> +#define HDMI_NV_PDISP_HDMI_EMU0 0x4c
> +#define HDMI_NV_PDISP_HDMI_EMU1 0x4d
> +#define HDMI_NV_PDISP_HDMI_EMU1_RDATA 0x4e
> +
> +#define HDMI_NV_PDISP_HDMI_SPARE 0x4f
> +#define SPARE_HW_CTS (1 << 0)
> +#define SPARE_FORCE_SW_CTS (1 << 1)
> +#define SPARE_CTS_RESET_VAL(x) (((x) & 0x7) << 16)
> +
> +#define HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS1 0x50
> +#define HDMI_NV_PDISP_HDMI_SPDIF_CHN_STATUS2 0x51
> +#define HDMI_NV_PDISP_HDMI_HDCPRIF_ROM_CTRL 0x53
> +#define HDMI_NV_PDISP_SOR_CAP 0x54
> +#define HDMI_NV_PDISP_SOR_PWR 0x55
> +#define SOR_PWR_NORMAL_STATE_PD (0 << 0)
> +#define SOR_PWR_NORMAL_STATE_PU (1 << 0)
> +#define SOR_PWR_NORMAL_START_NORMAL (0 << 1)
> +#define SOR_PWR_NORMAL_START_ALT (1 << 1)
> +#define SOR_PWR_SAFE_STATE_PD (0 << 16)
> +#define SOR_PWR_SAFE_STATE_PU (1 << 16)
> +#define SOR_PWR_SETTING_NEW_DONE (0 << 31)
> +#define SOR_PWR_SETTING_NEW_PENDING (1 << 31)
> +#define SOR_PWR_SETTING_NEW_TRIGGER (1 << 31)
> +
> +#define HDMI_NV_PDISP_SOR_TEST 0x56
> +#define HDMI_NV_PDISP_SOR_PLL0 0x57
> +#define SOR_PLL_PWR (1 << 0)
> +#define SOR_PLL_PDBG (1 << 1)
> +#define SOR_PLL_VCAPD (1 << 2)
> +#define SOR_PLL_PDPORT (1 << 3)
> +#define SOR_PLL_RESISTORSEL (1 << 4)
> +#define SOR_PLL_PULLDOWN (1 << 5)
> +#define SOR_PLL_VCOCAP(x) (((x) & 0xf) << 8)
> +#define SOR_PLL_BG_V17_S(x) (((x) & 0xf) << 12)
> +#define SOR_PLL_FILTER(x) (((x) & 0xf) << 16)
> +#define SOR_PLL_ICHPMP(x) (((x) & 0xf) << 24)
> +#define SOR_PLL_TX_REG_LOAD(x) (((x) & 0xf) << 28)
> +
> +#define HDMI_NV_PDISP_SOR_PLL1 0x58
> +#define SOR_PLL_TMDS_TERM_ENABLE (1 << 8)
> +#define SOR_PLL_TMDS_TERMADJ(x) (((x) & 0xf) << 9)
> +#define SOR_PLL_LOADADJ(x) (((x) & 0xf) << 20)
> +#define SOR_PLL_PE_EN (1 << 28)
> +#define SOR_PLL_HALF_FULL_PE (1 << 29)
> +#define SOR_PLL_S_D_PIN_PE (1 << 30)
> +
> +#define HDMI_NV_PDISP_SOR_PLL2 0x59
> +
> +#define HDMI_NV_PDISP_SOR_CSTM 0x5a
> +#define SOR_CSTM_ROTCLK(x) (((x) & 0xf) << 24)
> +
> +#define HDMI_NV_PDISP_SOR_LVDS 0x5b
> +#define HDMI_NV_PDISP_SOR_CRCA 0x5c
> +#define HDMI_NV_PDISP_SOR_CRCB 0x5d
> +#define HDMI_NV_PDISP_SOR_BLANK 0x5e
> +#define HDMI_NV_PDISP_SOR_SEQ_CTL 0x5f
> +#define SOR_SEQ_CTL_PU_PC(x) (((x) & 0xf) << 0)
> +#define SOR_SEQ_PU_PC_ALT(x) (((x) & 0xf) << 4)
> +#define SOR_SEQ_PD_PC(x) (((x) & 0xf) << 8)
> +#define SOR_SEQ_PD_PC_ALT(x) (((x) & 0xf) << 12)
> +#define SOR_SEQ_PC(x) (((x) & 0xf) << 16)
> +#define SOR_SEQ_STATUS (1 << 28)
> +#define SOR_SEQ_SWITCH (1 << 30)
> +
> +#define HDMI_NV_PDISP_SOR_SEQ_INST(x) (0x60 + (x))
> +
> +#define SOR_SEQ_INST_WAIT_TIME(x) (((x) & 0x3ff) << 0)
> +#define SOR_SEQ_INST_WAIT_UNITS_VSYNC (2 << 12)
> +#define SOR_SEQ_INST_HALT (1 << 15)
> +#define SOR_SEQ_INST_PIN_A_LOW (0 << 21)
> +#define SOR_SEQ_INST_PIN_A_HIGH (1 << 21)
> +#define SOR_SEQ_INST_PIN_B_LOW (0 << 22)
> +#define SOR_SEQ_INST_PIN_B_HIGH (1 << 22)
> +#define SOR_SEQ_INST_DRIVE_PWM_OUT_LO (1 << 23)
> +
> +#define HDMI_NV_PDISP_SOR_VCRCA0 0x72
> +#define HDMI_NV_PDISP_SOR_VCRCA1 0x73
> +#define HDMI_NV_PDISP_SOR_CCRCA0 0x74
> +#define HDMI_NV_PDISP_SOR_CCRCA1 0x75
> +#define HDMI_NV_PDISP_SOR_EDATAA0 0x76
> +#define HDMI_NV_PDISP_SOR_EDATAA1 0x77
> +#define HDMI_NV_PDISP_SOR_COUNTA0 0x78
> +#define HDMI_NV_PDISP_SOR_COUNTA1 0x79
> +#define HDMI_NV_PDISP_SOR_DEBUGA0 0x7a
> +#define HDMI_NV_PDISP_SOR_DEBUGA1 0x7b
> +#define HDMI_NV_PDISP_SOR_TRIG 0x7c
> +#define HDMI_NV_PDISP_SOR_MSCHECK 0x7d
> +
> +#define HDMI_NV_PDISP_SOR_LANE_DRIVE_CURRENT 0x7e
> +#define DRIVE_CURRENT_LANE0(x) (((x) & 0x3f) << 0)
> +#define DRIVE_CURRENT_LANE1(x) (((x) & 0x3f) << 8)
> +#define DRIVE_CURRENT_LANE2(x) (((x) & 0x3f) << 16)
> +#define DRIVE_CURRENT_LANE3(x) (((x) & 0x3f) << 24)
> +#define DRIVE_CURRENT_FUSE_OVERRIDE (1 << 31)
> +
> +#define DRIVE_CURRENT_1_500_mA 0x00
> +#define DRIVE_CURRENT_1_875_mA 0x01
> +#define DRIVE_CURRENT_2_250_mA 0x02
> +#define DRIVE_CURRENT_2_625_mA 0x03
> +#define DRIVE_CURRENT_3_000_mA 0x04
> +#define DRIVE_CURRENT_3_375_mA 0x05
> +#define DRIVE_CURRENT_3_750_mA 0x06
> +#define DRIVE_CURRENT_4_125_mA 0x07
> +#define DRIVE_CURRENT_4_500_mA 0x08
> +#define DRIVE_CURRENT_4_875_mA 0x09
> +#define DRIVE_CURRENT_5_250_mA 0x0a
> +#define DRIVE_CURRENT_5_625_mA 0x0b
> +#define DRIVE_CURRENT_6_000_mA 0x0c
> +#define DRIVE_CURRENT_6_375_mA 0x0d
> +#define DRIVE_CURRENT_6_750_mA 0x0e
> +#define DRIVE_CURRENT_7_125_mA 0x0f
> +#define DRIVE_CURRENT_7_500_mA 0x10
> +#define DRIVE_CURRENT_7_875_mA 0x11
> +#define DRIVE_CURRENT_8_250_mA 0x12
> +#define DRIVE_CURRENT_8_625_mA 0x13
> +#define DRIVE_CURRENT_9_000_mA 0x14
> +#define DRIVE_CURRENT_9_375_mA 0x15
> +#define DRIVE_CURRENT_9_750_mA 0x16
> +#define DRIVE_CURRENT_10_125_mA 0x17
> +#define DRIVE_CURRENT_10_500_mA 0x18
> +#define DRIVE_CURRENT_10_875_mA 0x19
> +#define DRIVE_CURRENT_11_250_mA 0x1a
> +#define DRIVE_CURRENT_11_625_mA 0x1b
> +#define DRIVE_CURRENT_12_000_mA 0x1c
> +#define DRIVE_CURRENT_12_375_mA 0x1d
> +#define DRIVE_CURRENT_12_750_mA 0x1e
> +#define DRIVE_CURRENT_13_125_mA 0x1f
> +#define DRIVE_CURRENT_13_500_mA 0x20
> +#define DRIVE_CURRENT_13_875_mA 0x21
> +#define DRIVE_CURRENT_14_250_mA 0x22
> +#define DRIVE_CURRENT_14_625_mA 0x23
> +#define DRIVE_CURRENT_15_000_mA 0x24
> +#define DRIVE_CURRENT_15_375_mA 0x25
> +#define DRIVE_CURRENT_15_750_mA 0x26
> +#define DRIVE_CURRENT_16_125_mA 0x27
> +#define DRIVE_CURRENT_16_500_mA 0x28
> +#define DRIVE_CURRENT_16_875_mA 0x29
> +#define DRIVE_CURRENT_17_250_mA 0x2a
> +#define DRIVE_CURRENT_17_625_mA 0x2b
> +#define DRIVE_CURRENT_18_000_mA 0x2c
> +#define DRIVE_CURRENT_18_375_mA 0x2d
> +#define DRIVE_CURRENT_18_750_mA 0x2e
> +#define DRIVE_CURRENT_19_125_mA 0x2f
> +#define DRIVE_CURRENT_19_500_mA 0x30
> +#define DRIVE_CURRENT_19_875_mA 0x31
> +#define DRIVE_CURRENT_20_250_mA 0x32
> +#define DRIVE_CURRENT_20_625_mA 0x33
> +#define DRIVE_CURRENT_21_000_mA 0x34
> +#define DRIVE_CURRENT_21_375_mA 0x35
> +#define DRIVE_CURRENT_21_750_mA 0x36
> +#define DRIVE_CURRENT_22_125_mA 0x37
> +#define DRIVE_CURRENT_22_500_mA 0x38
> +#define DRIVE_CURRENT_22_875_mA 0x39
> +#define DRIVE_CURRENT_23_250_mA 0x3a
> +#define DRIVE_CURRENT_23_625_mA 0x3b
> +#define DRIVE_CURRENT_24_000_mA 0x3c
> +#define DRIVE_CURRENT_24_375_mA 0x3d
> +#define DRIVE_CURRENT_24_750_mA 0x3e
> +
> +#define HDMI_NV_PDISP_AUDIO_DEBUG0 0x7f
> +#define HDMI_NV_PDISP_AUDIO_DEBUG1 0x80
> +#define HDMI_NV_PDISP_AUDIO_DEBUG2 0x81
> +
> +#define HDMI_NV_PDISP_AUDIO_FS(x) (0x82 + (x))
> +#define AUDIO_FS_LOW(x) (((x) & 0xfff) << 0)
> +#define AUDIO_FS_HIGH(x) (((x) & 0xfff) << 16)
> +
> +#define HDMI_NV_PDISP_AUDIO_PULSE_WIDTH 0x89
> +#define HDMI_NV_PDISP_AUDIO_THRESHOLD 0x8a
> +#define HDMI_NV_PDISP_AUDIO_CNTRL0 0x8b
> +#define AUDIO_CNTRL0_ERROR_TOLERANCE(x) (((x) & 0xff) << 0)
> +#define AUDIO_CNTRL0_SOURCE_SELECT_AUTO (0 << 20)
> +#define AUDIO_CNTRL0_SOURCE_SELECT_SPDIF (1 << 20)
> +#define AUDIO_CNTRL0_SOURCE_SELECT_HDAL (2 << 20)
> +#define AUDIO_CNTRL0_FRAMES_PER_BLOCK(x) (((x) & 0xff) << 24)
> +
> +#define HDMI_NV_PDISP_AUDIO_N 0x8c
> +#define AUDIO_N_VALUE(x) (((x) & 0xfffff) << 0)
> +#define AUDIO_N_RESETF (1 << 20)
> +#define AUDIO_N_GENERATE_NORMAL (0 << 24)
> +#define AUDIO_N_GENERATE_ALTERNATE (1 << 24)
> +
> +#define HDMI_NV_PDISP_HDCPRIF_ROM_TIMING 0x94
> +#define HDMI_NV_PDISP_SOR_REFCLK 0x95
> +#define SOR_REFCLK_DIV_INT(x) (((x) & 0xff) << 8)
> +#define SOR_REFCLK_DIV_FRAC(x) (((x) & 0x03) << 6)
> +
> +#define HDMI_NV_PDISP_CRC_CONTROL 0x96
> +#define HDMI_NV_PDISP_INPUT_CONTROL 0x97
> +#define HDMI_SRC_DISPLAYA (0 << 0)
> +#define HDMI_SRC_DISPLAYB (1 << 0)
> +#define ARM_VIDEO_RANGE_FULL (0 << 1)
> +#define ARM_VIDEO_RANGE_LIMITED (1 << 1)
> +
> +#define HDMI_NV_PDISP_SCRATCH 0x98
> +#define HDMI_NV_PDISP_PE_CURRENT 0x99
> +#define PE_CURRENT0(x) (((x) & 0xf) << 0)
> +#define PE_CURRENT1(x) (((x) & 0xf) << 8)
> +#define PE_CURRENT2(x) (((x) & 0xf) << 16)
> +#define PE_CURRENT3(x) (((x) & 0xf) << 24)
> +
> +#define PE_CURRENT_0_0_mA 0x0
> +#define PE_CURRENT_0_5_mA 0x1
> +#define PE_CURRENT_1_0_mA 0x2
> +#define PE_CURRENT_1_5_mA 0x3
> +#define PE_CURRENT_2_0_mA 0x4
> +#define PE_CURRENT_2_5_mA 0x5
> +#define PE_CURRENT_3_0_mA 0x6
> +#define PE_CURRENT_3_5_mA 0x7
> +#define PE_CURRENT_4_0_mA 0x8
> +#define PE_CURRENT_4_5_mA 0x9
> +#define PE_CURRENT_5_0_mA 0xa
> +#define PE_CURRENT_5_5_mA 0xb
> +#define PE_CURRENT_6_0_mA 0xc
> +#define PE_CURRENT_6_5_mA 0xd
> +#define PE_CURRENT_7_0_mA 0xe
> +#define PE_CURRENT_7_5_mA 0xf
> +
> +#define HDMI_NV_PDISP_KEY_CTRL 0x9a
> +#define HDMI_NV_PDISP_KEY_DEBUG0 0x9b
> +#define HDMI_NV_PDISP_KEY_DEBUG1 0x9c
> +#define HDMI_NV_PDISP_KEY_DEBUG2 0x9d
> +#define HDMI_NV_PDISP_KEY_HDCP_KEY_0 0x9e
> +#define HDMI_NV_PDISP_KEY_HDCP_KEY_1 0x9f
> +#define HDMI_NV_PDISP_KEY_HDCP_KEY_2 0xa0
> +#define HDMI_NV_PDISP_KEY_HDCP_KEY_3 0xa1
> +#define HDMI_NV_PDISP_KEY_HDCP_KEY_TRIG 0xa2
> +#define HDMI_NV_PDISP_KEY_SKEY_INDEX 0xa3
> +
> +#define HDMI_NV_PDISP_SOR_AUDIO_CNTRL0 0xac
> +#define AUDIO_CNTRL0_INJECT_NULLSMPL (1 << 29)
> +#define HDMI_NV_PDISP_SOR_AUDIO_HDA_ELD_BUFWR 0xbc
> +#define HDMI_NV_PDISP_SOR_AUDIO_HDA_PRESENSE 0xbd
> +
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_0320 0xbf
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_0441 0xc0
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_0882 0xc1
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_1764 0xc2
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_0480 0xc3
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_0960 0xc4
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_1920 0xc5
> +#define HDMI_NV_PDISP_SOR_AUDIO_AVAL_DEFAULT 0xc5
> +
> +#endif /* TEGRA_HDMI_H */
> diff --git a/drivers/gpu/drm/tegra/host1x.c b/drivers/gpu/drm/tegra/host1x.c
> index ed2af1a..9624326 100644
> --- a/drivers/gpu/drm/tegra/host1x.c
> +++ b/drivers/gpu/drm/tegra/host1x.c
> @@ -67,6 +67,7 @@ static int host1x_parse_dt(struct host1x *host1x)
> {
> static const char * const compat[] = {
> "nvidia,tegra20-dc",
> + "nvidia,tegra20-hdmi",
> };
> unsigned int i;
> int err;
> @@ -293,8 +294,14 @@ static int __init tegra_host1x_init(void)
> if (err < 0)
> goto unregister_host1x;
>
> + err = platform_driver_register(&tegra_hdmi_driver);
> + if (err < 0)
> + goto unregister_dc;
> +
> return 0;
>
> +unregister_dc:
> + platform_driver_unregister(&tegra_dc_driver);
> unregister_host1x:
> platform_driver_unregister(&tegra_host1x_driver);
> return err;
> @@ -303,6 +310,7 @@ module_init(tegra_host1x_init);
>
> static void __exit tegra_host1x_exit(void)
> {
> + platform_driver_unregister(&tegra_hdmi_driver);
> platform_driver_unregister(&tegra_dc_driver);
> platform_driver_unregister(&tegra_host1x_driver);
> }
> --
> 1.8.0
>
> --
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>
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