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android / kernel / msm / android-msm-flo-3.4-marshmallow / . / drivers / video / msm / external_common.c
blob: 6d3e7350fa28e152d037f26bced5f8fc2607f324 [file] [log] [blame]
/* Copyright (c) 2010-2012, The Linux Foundation. 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 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <linux/types.h>
#include <linux/bitops.h>
#include <linux/mutex.h>
#include <linux/slimport.h>
/* #define DEBUG */
#define DEV_DBG_PREFIX "EXT_COMMON: "
/* The start of the data block collection within the CEA Extension Version 3 */
#define DBC_START_OFFSET 4
#include "msm_fb.h"
#include "hdmi_msm.h"
#include "external_common.h"
#include "mhl_api.h"
#include "mdp.h"
struct external_common_state_type *external_common_state;
EXPORT_SYMBOL(external_common_state);
DEFINE_MUTEX(external_common_state_hpd_mutex);
EXPORT_SYMBOL(external_common_state_hpd_mutex);
static int atoi(const char *name)
{
int val = 0;
for (;; name++) {
switch (*name) {
case '0' ... '9':
val = 10*val+(*name-'0');
break;
default:
return val;
}
}
}
#ifdef DEBUG_EDID
/*
* Block 0 - 1920x1080p, 1360x768p
* Block 1 - 1280x720p, 1920x540i, 720x480p
*/
const char edid_blk0[0x100] = {
0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x4C, 0x2D, 0x03, 0x05, 0x00,
0x00, 0x00, 0x00, 0x30, 0x12, 0x01, 0x03, 0x80, 0x10, 0x09, 0x78, 0x0A, 0xEE,
0x91, 0xA3, 0x54, 0x4C, 0x99, 0x26, 0x0F, 0x50, 0x54, 0xBD, 0xEF, 0x80, 0x71,
0x4F, 0x81, 0x00, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00, 0x95, 0x0F, 0xB3, 0x00,
0xA9, 0x40, 0x02, 0x3A, 0x80, 0x18, 0x71, 0x38, 0x2D, 0x40, 0x58, 0x2C, 0x45,
0x00, 0xA0, 0x5A, 0x00, 0x00, 0x00, 0x1E, 0x66, 0x21, 0x50, 0xB0, 0x51, 0x00,
0x1B, 0x30, 0x40, 0x70, 0x36, 0x00, 0xA0, 0x5A, 0x00, 0x00, 0x00, 0x1E, 0x00,
0x00, 0x00, 0xFD, 0x00, 0x18, 0x4B, 0x1A, 0x51, 0x17, 0x00, 0x0A, 0x20, 0x20,
0x20, 0x20, 0x20, 0x20, 0x00, 0x00, 0x00, 0xFC, 0x00, 0x53, 0x41, 0x4D, 0x53,
0x55, 0x4E, 0x47, 0x0A, 0x20, 0x20, 0x20, 0x20, 0x20, 0x01, 0x8F};
const char edid_blk1[0x100] = {
0x02, 0x03, 0x1E, 0xF1, 0x46, 0x90, 0x04, 0x05, 0x03, 0x20, 0x22, 0x23, 0x09,
0x07, 0x07, 0x83, 0x01, 0x00, 0x00, 0xE2, 0x00, 0x0F, 0x67, 0x03, 0x0C, 0x00,
0x10, 0x00, 0xB8, 0x2D, 0x01, 0x1D, 0x00, 0x72, 0x51, 0xD0, 0x1E, 0x20, 0x6E,
0x28, 0x55, 0x00, 0xA0, 0x5A, 0x00, 0x00, 0x00, 0x1E, 0x01, 0x1D, 0x80, 0x18,
0x71, 0x1C, 0x16, 0x20, 0x58, 0x2C, 0x25, 0x00, 0xA0, 0x5A, 0x00, 0x00, 0x00,
0x9E, 0x8C, 0x0A, 0xD0, 0x8A, 0x20, 0xE0, 0x2D, 0x10, 0x10, 0x3E, 0x96, 0x00,
0xA0, 0x5A, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xDF};
#endif /* DEBUG_EDID */
#define DMA_E_BASE 0xB0000
void mdp_vid_quant_set(void)
{
if ((external_common_state->video_resolution == \
HDMI_VFRMT_720x480p60_4_3) || \
(external_common_state->video_resolution == \
HDMI_VFRMT_720x480p60_16_9)) {
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x70, 0x00EB0010);
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x74, 0x00EB0010);
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x78, 0x00EB0010);
} else {
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x70, 0x00FF0000);
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x74, 0x00FF0000);
MDP_OUTP(MDP_BASE + DMA_E_BASE + 0x78, 0x00FF0000);
}
}
const char *video_format_2string(uint32 format)
{
switch (format) {
default:
#ifdef CONFIG_FB_MSM_HDMI_COMMON
case HDMI_VFRMT_640x480p60_4_3: return " 640x 480 p60 4/3";
case HDMI_VFRMT_720x480p60_4_3: return " 720x 480 p60 4/3";
case HDMI_VFRMT_720x480p60_16_9: return " 720x 480 p60 16/9";
case HDMI_VFRMT_1280x720p60_16_9: return "1280x 720 p60 16/9";
case HDMI_VFRMT_1920x1080i60_16_9: return "1920x1080 i60 16/9";
case HDMI_VFRMT_1440x480i60_4_3: return "1440x 480 i60 4/3";
case HDMI_VFRMT_1440x480i60_16_9: return "1440x 480 i60 16/9";
case HDMI_VFRMT_1440x240p60_4_3: return "1440x 240 p60 4/3";
case HDMI_VFRMT_1440x240p60_16_9: return "1440x 240 p60 16/9";
case HDMI_VFRMT_2880x480i60_4_3: return "2880x 480 i60 4/3";
case HDMI_VFRMT_2880x480i60_16_9: return "2880x 480 i60 16/9";
case HDMI_VFRMT_2880x240p60_4_3: return "2880x 240 p60 4/3";
case HDMI_VFRMT_2880x240p60_16_9: return "2880x 240 p60 16/9";
case HDMI_VFRMT_1440x480p60_4_3: return "1440x 480 p60 4/3";
case HDMI_VFRMT_1440x480p60_16_9: return "1440x 480 p60 16/9";
case HDMI_VFRMT_1920x1080p60_16_9: return "1920x1080 p60 16/9";
case HDMI_VFRMT_720x576p50_4_3: return " 720x 576 p50 4/3";
case HDMI_VFRMT_720x576p50_16_9: return " 720x 576 p50 16/9";
case HDMI_VFRMT_1280x720p50_16_9: return "1280x 720 p50 16/9";
case HDMI_VFRMT_1920x1080i50_16_9: return "1920x1080 i50 16/9";
case HDMI_VFRMT_1440x576i50_4_3: return "1440x 576 i50 4/3";
case HDMI_VFRMT_1440x576i50_16_9: return "1440x 576 i50 16/9";
case HDMI_VFRMT_1440x288p50_4_3: return "1440x 288 p50 4/3";
case HDMI_VFRMT_1440x288p50_16_9: return "1440x 288 p50 16/9";
case HDMI_VFRMT_2880x576i50_4_3: return "2880x 576 i50 4/3";
case HDMI_VFRMT_2880x576i50_16_9: return "2880x 576 i50 16/9";
case HDMI_VFRMT_2880x288p50_4_3: return "2880x 288 p50 4/3";
case HDMI_VFRMT_2880x288p50_16_9: return "2880x 288 p50 16/9";
case HDMI_VFRMT_1440x576p50_4_3: return "1440x 576 p50 4/3";
case HDMI_VFRMT_1440x576p50_16_9: return "1440x 576 p50 16/9";
case HDMI_VFRMT_1920x1080p50_16_9: return "1920x1080 p50 16/9";
case HDMI_VFRMT_1920x1080p24_16_9: return "1920x1080 p24 16/9";
case HDMI_VFRMT_1920x1080p25_16_9: return "1920x1080 p25 16/9";
case HDMI_VFRMT_1920x1080p30_16_9: return "1920x1080 p30 16/9";
case HDMI_VFRMT_2880x480p60_4_3: return "2880x 480 p60 4/3";
case HDMI_VFRMT_2880x480p60_16_9: return "2880x 480 p60 16/9";
case HDMI_VFRMT_2880x576p50_4_3: return "2880x 576 p50 4/3";
case HDMI_VFRMT_2880x576p50_16_9: return "2880x 576 p50 16/9";
case HDMI_VFRMT_1920x1250i50_16_9: return "1920x1250 i50 16/9";
case HDMI_VFRMT_1920x1080i100_16_9:return "1920x1080 i100 16/9";
case HDMI_VFRMT_1280x720p100_16_9: return "1280x 720 p100 16/9";
case HDMI_VFRMT_720x576p100_4_3: return " 720x 576 p100 4/3";
case HDMI_VFRMT_720x576p100_16_9: return " 720x 576 p100 16/9";
case HDMI_VFRMT_1440x576i100_4_3: return "1440x 576 i100 4/3";
case HDMI_VFRMT_1440x576i100_16_9: return "1440x 576 i100 16/9";
case HDMI_VFRMT_1920x1080i120_16_9:return "1920x1080 i120 16/9";
case HDMI_VFRMT_1280x720p120_16_9: return "1280x 720 p120 16/9";
case HDMI_VFRMT_720x480p120_4_3: return " 720x 480 p120 4/3";
case HDMI_VFRMT_720x480p120_16_9: return " 720x 480 p120 16/9";
case HDMI_VFRMT_1440x480i120_4_3: return "1440x 480 i120 4/3";
case HDMI_VFRMT_1440x480i120_16_9: return "1440x 480 i120 16/9";
case HDMI_VFRMT_720x576p200_4_3: return " 720x 576 p200 4/3";
case HDMI_VFRMT_720x576p200_16_9: return " 720x 576 p200 16/9";
case HDMI_VFRMT_1440x576i200_4_3: return "1440x 576 i200 4/3";
case HDMI_VFRMT_1440x576i200_16_9: return "1440x 576 i200 16/9";
case HDMI_VFRMT_720x480p240_4_3: return " 720x 480 p240 4/3";
case HDMI_VFRMT_720x480p240_16_9: return " 720x 480 p240 16/9";
case HDMI_VFRMT_1440x480i240_4_3: return "1440x 480 i240 4/3";
case HDMI_VFRMT_1440x480i240_16_9: return "1440x 480 i240 16/9";
#elif defined(CONFIG_FB_MSM_TVOUT)
case TVOUT_VFRMT_NTSC_M_720x480i: return "NTSC_M_720x480i";
case TVOUT_VFRMT_NTSC_J_720x480i: return "NTSC_J_720x480i";
case TVOUT_VFRMT_PAL_BDGHIN_720x576i: return "PAL_BDGHIN_720x576i";
case TVOUT_VFRMT_PAL_M_720x480i: return "PAL_M_720x480i";
case TVOUT_VFRMT_PAL_N_720x480i: return "PAL_N_720x480i";
#endif
}
}
EXPORT_SYMBOL(video_format_2string);
static ssize_t external_common_rda_video_mode_str(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%s\n",
video_format_2string(external_common_state->video_resolution));
DEV_DBG("%s: '%s'\n", __func__,
video_format_2string(external_common_state->video_resolution));
return ret;
}
#ifdef CONFIG_FB_MSM_HDMI_COMMON
struct hdmi_disp_mode_timing_type
hdmi_common_supported_video_mode_lut[HDMI_VFRMT_MAX] = {
HDMI_SETTINGS_640x480p60_4_3,
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x240p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x240p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480i60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x240p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x240p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x288p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x288p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576i50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x288p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x288p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p24_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p25_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p30_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1250i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p100_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i100_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p120_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i120_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p200_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p200_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i200_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i200_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p240_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p240_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i240_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i240_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x1024p60_5_4)
};
EXPORT_SYMBOL(hdmi_common_supported_video_mode_lut);
struct hdmi_disp_mode_timing_type
hdmi_mhl_supported_video_mode_lut[HDMI_VFRMT_MAX] = {
HDMI_SETTINGS_640x480p60_4_3,
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p60_16_9),
HDMI_SETTINGS_1280x720p60_16_9,
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x240p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x240p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480i60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480i60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x240p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x240p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x288p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x288p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576i50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x288p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x288p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080p50_16_9),
HDMI_SETTINGS_1920x1080p24_16_9,
HDMI_SETTINGS_1920x1080p25_16_9,
HDMI_SETTINGS_1920x1080p30_16_9,
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480p60_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x480p60_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576p50_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_2880x576p50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1250i50_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p100_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i100_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i100_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1920x1080i120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1280x720p120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p120_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i120_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i120_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p200_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x576p200_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i200_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x576i200_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p240_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_720x480p240_16_9),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i240_4_3),
VFRMT_NOT_SUPPORTED(HDMI_VFRMT_1440x480i240_16_9),
HDMI_SETTINGS_1280x1024p60_5_4
};
EXPORT_SYMBOL(hdmi_mhl_supported_video_mode_lut);
static ssize_t hdmi_common_rda_edid_modes(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
int i;
buf[0] = 0;
if (external_common_state->disp_mode_list.num_of_elements) {
uint32 *video_mode = external_common_state->disp_mode_list
.disp_mode_list;
for (i = 0; i < external_common_state->disp_mode_list
.num_of_elements; ++i) {
if (ret > 0)
ret += snprintf(buf+ret, PAGE_SIZE-ret, ",%d",
*video_mode++ + 1);
else
ret += snprintf(buf+ret, PAGE_SIZE-ret, "%d",
*video_mode++ + 1);
}
} else
ret += snprintf(buf+ret, PAGE_SIZE-ret, "%d",
external_common_state->video_resolution+1);
DEV_DBG("%s: '%s'\n", __func__, buf);
ret += snprintf(buf+ret, PAGE_SIZE-ret, "\n");
return ret;
}
static ssize_t hdmi_common_rda_edid_physical_address(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->physical_address);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->physical_address);
return ret;
}
static ssize_t hdmi_common_rda_edid_scan_info(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d, %d, %d\n",
external_common_state->pt_scan_info,
external_common_state->it_scan_info,
external_common_state->ce_scan_info);
DEV_DBG("%s: '%s'\n", __func__, buf);
return ret;
}
static ssize_t hdmi_common_wta_vendor_name(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
uint8 *s = (uint8 *) buf;
uint8 *d = external_common_state->spd_vendor_name;
ssize_t ret = strnlen(buf, PAGE_SIZE);
ret = (ret > 8) ? 8 : ret;
memset(external_common_state->spd_vendor_name, 0, 8);
while (*s) {
if (*s & 0x60 && *s ^ 0x7f) {
*d = *s;
} else {
/* stop copying if control character found */
break;
}
if (++s > (uint8 *) (buf + ret))
break;
d++;
}
DEV_DBG("%s: '%s'\n", __func__,
external_common_state->spd_vendor_name);
return ret;
}
static ssize_t hdmi_common_rda_vendor_name(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%s\n",
external_common_state->spd_vendor_name);
DEV_DBG("%s: '%s'\n", __func__,
external_common_state->spd_vendor_name);
return ret;
}
static ssize_t hdmi_common_wta_product_description(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
uint8 *s = (uint8 *) buf;
uint8 *d = external_common_state->spd_product_description;
ssize_t ret = strnlen(buf, PAGE_SIZE);
ret = (ret > 16) ? 16 : ret;
memset(external_common_state->spd_product_description, 0, 16);
while (*s) {
if (*s & 0x60 && *s ^ 0x7f) {
*d = *s;
} else {
/* stop copying if control character found */
break;
}
if (++s > (uint8 *) (buf + ret))
break;
d++;
}
DEV_DBG("%s: '%s'\n", __func__,
external_common_state->spd_product_description);
return ret;
}
static ssize_t hdmi_common_rda_product_description(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%s\n",
external_common_state->spd_product_description);
DEV_DBG("%s: '%s'\n", __func__,
external_common_state->spd_product_description);
return ret;
}
static ssize_t hdmi_common_rda_edid_3d_modes(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = 0;
int i;
char buff_3d[128];
buf[0] = 0;
if (external_common_state->disp_mode_list.num_of_elements) {
uint32 *video_mode = external_common_state->disp_mode_list
.disp_mode_list;
uint32 *video_3d_mode = external_common_state->disp_mode_list
.disp_3d_mode_list;
for (i = 0; i < external_common_state->disp_mode_list
.num_of_elements; ++i) {
video_3d_format_2string(*video_3d_mode++, buff_3d);
if (ret > 0)
ret += snprintf(buf+ret, PAGE_SIZE-ret,
",%d=%s",
*video_mode++ + 1, buff_3d);
else
ret += snprintf(buf+ret, PAGE_SIZE-ret,
"%d=%s",
*video_mode++ + 1, buff_3d);
}
} else
ret += snprintf(buf+ret, PAGE_SIZE-ret, "%d",
external_common_state->video_resolution+1);
DEV_DBG("%s: '%s'\n", __func__, buf);
ret += snprintf(buf+ret, PAGE_SIZE-ret, "\n");
return ret;
}
static ssize_t hdmi_common_rda_hdcp(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->hdcp_active);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hdcp_active);
return ret;
}
static ssize_t hdmi_common_rda_hpd(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
if (external_common_state->hpd_feature) {
ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->hpd_feature_on);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hpd_feature_on);
} else {
ret = snprintf(buf, PAGE_SIZE, "-1\n");
DEV_DBG("%s: 'not supported'\n", __func__);
}
return ret;
}
static ssize_t hdmi_common_wta_hpd(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
ssize_t ret = strnlen(buf, PAGE_SIZE);
int hpd;
if (hdmi_prim_display)
hpd = 1;
else
hpd = atoi(buf);
if (external_common_state->hpd_feature) {
if (hpd == 0 && external_common_state->hpd_feature_on) {
external_common_state->hpd_feature(0);
external_common_state->hpd_feature_on = 0;
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hpd_feature_on);
} else if (hpd == 1 && !external_common_state->hpd_feature_on) {
external_common_state->hpd_feature(1);
external_common_state->hpd_feature_on = 1;
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hpd_feature_on);
} else {
DEV_DBG("%s: '%d' (unchanged)\n", __func__,
external_common_state->hpd_feature_on);
}
} else {
DEV_DBG("%s: 'not supported'\n", __func__);
}
return ret;
}
#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT
/*
* This interface for CEC feature is defined to suit
* the current requirements. However, the actual functionality is
* added to accommodate different interfaces
*/
static ssize_t hdmi_msm_rda_cec(struct device *dev,
struct device_attribute *attr, char *buf)
{
/* 0x028C CEC_CTRL */
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
(HDMI_INP(0x028C) & BIT(0)));
return ret;
}
static ssize_t hdmi_msm_wta_cec(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
ssize_t ret = strnlen(buf, PAGE_SIZE);
int cec = atoi(buf);
if (cec != 0) {
mutex_lock(&hdmi_msm_state_mutex);
hdmi_msm_state->cec_enabled = true;
hdmi_msm_state->cec_logical_addr = 4;
/* flush CEC queue */
hdmi_msm_state->cec_queue_wr = hdmi_msm_state->cec_queue_start;
hdmi_msm_state->cec_queue_rd = hdmi_msm_state->cec_queue_start;
hdmi_msm_state->cec_queue_full = false;
memset(hdmi_msm_state->cec_queue_rd, 0,
sizeof(struct hdmi_msm_cec_msg)*CEC_QUEUE_SIZE);
mutex_unlock(&hdmi_msm_state_mutex);
hdmi_msm_cec_init();
hdmi_msm_cec_write_logical_addr(
hdmi_msm_state->cec_logical_addr);
DEV_DBG("CEC enabled\n");
} else {
mutex_lock(&hdmi_msm_state_mutex);
hdmi_msm_state->cec_enabled = false;
hdmi_msm_state->cec_logical_addr = 15;
mutex_unlock(&hdmi_msm_state_mutex);
hdmi_msm_cec_write_logical_addr(
hdmi_msm_state->cec_logical_addr);
/* 0x028C CEC_CTRL */
HDMI_OUTP(0x028C, 0);
DEV_DBG("CEC disabled\n");
}
return ret;
}
static ssize_t hdmi_msm_rda_cec_logical_addr(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
mutex_lock(&hdmi_msm_state_mutex);
ret = snprintf(buf, PAGE_SIZE, "%d\n",
hdmi_msm_state->cec_logical_addr);
mutex_unlock(&hdmi_msm_state_mutex);
return ret;
}
static ssize_t hdmi_msm_wta_cec_logical_addr(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
#ifdef DRVR_ONLY_CECT_NO_DAEMON
/*
* Only for testing
*/
hdmi_msm_cec_one_touch_play();
return 0;
#else
ssize_t ret = strnlen(buf, PAGE_SIZE);
int logical_addr = atoi(buf);
if (logical_addr < 0 || logical_addr > 15)
return -EINVAL;
mutex_lock(&hdmi_msm_state_mutex);
hdmi_msm_state->cec_logical_addr = logical_addr;
mutex_unlock(&hdmi_msm_state_mutex);
hdmi_msm_cec_write_logical_addr(logical_addr);
return ret;
#endif
}
static ssize_t hdmi_msm_rda_cec_frame(struct device *dev,
struct device_attribute *attr, char *buf)
{
mutex_lock(&hdmi_msm_state_mutex);
if (hdmi_msm_state->cec_queue_rd == hdmi_msm_state->cec_queue_wr
&& !hdmi_msm_state->cec_queue_full) {
mutex_unlock(&hdmi_msm_state_mutex);
DEV_ERR("CEC message queue is empty\n");
return -EBUSY;
}
memcpy(buf, hdmi_msm_state->cec_queue_rd++,
sizeof(struct hdmi_msm_cec_msg));
hdmi_msm_state->cec_queue_full = false;
if (hdmi_msm_state->cec_queue_rd == CEC_QUEUE_END)
hdmi_msm_state->cec_queue_rd = hdmi_msm_state->cec_queue_start;
mutex_unlock(&hdmi_msm_state_mutex);
return sizeof(struct hdmi_msm_cec_msg);
}
static ssize_t hdmi_msm_wta_cec_frame(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
int i;
int retry = ((struct hdmi_msm_cec_msg *) buf)->retransmit;
for (i = 0; i < RETRANSMIT_MAX_NUM; i++) {
hdmi_msm_cec_msg_send((struct hdmi_msm_cec_msg *) buf);
if (hdmi_msm_state->cec_frame_wr_status
& CEC_STATUS_WR_ERROR && retry--) {
mutex_lock(&hdmi_msm_state_mutex);
if (hdmi_msm_state->fsm_reset_done)
retry++;
mutex_unlock(&hdmi_msm_state_mutex);
msleep(20);
} else
break;
}
if (hdmi_msm_state->cec_frame_wr_status & CEC_STATUS_WR_DONE)
return sizeof(struct hdmi_msm_cec_msg);
else
return -EINVAL;
}
#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT */
static ssize_t hdmi_common_rda_3d_present(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->present_3d);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->present_3d);
return ret;
}
static ssize_t hdmi_common_rda_hdcp_present(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->present_hdcp);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->present_hdcp);
return ret;
}
#endif
#ifdef CONFIG_FB_MSM_HDMI_3D
static ssize_t hdmi_3d_rda_format_3d(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->format_3d);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->format_3d);
return ret;
}
static ssize_t hdmi_3d_wta_format_3d(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
ssize_t ret = strnlen(buf, PAGE_SIZE);
int format_3d = atoi(buf);
if (format_3d >= 0 && format_3d <= 2) {
if (format_3d != external_common_state->format_3d) {
external_common_state->format_3d = format_3d;
if (external_common_state->switch_3d)
external_common_state->switch_3d(format_3d);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->format_3d);
} else {
DEV_DBG("%s: '%d' (unchanged)\n", __func__,
external_common_state->format_3d);
}
} else {
DEV_DBG("%s: '%d' (unknown)\n", __func__, format_3d);
}
return ret;
}
#endif
#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT
static DEVICE_ATTR(cec, S_IRUGO | S_IWUSR,
hdmi_msm_rda_cec,
hdmi_msm_wta_cec);
static DEVICE_ATTR(cec_logical_addr, S_IRUGO | S_IWUSR,
hdmi_msm_rda_cec_logical_addr,
hdmi_msm_wta_cec_logical_addr);
static DEVICE_ATTR(cec_rd_frame, S_IRUGO,
hdmi_msm_rda_cec_frame, NULL);
static DEVICE_ATTR(cec_wr_frame, S_IWUSR,
NULL, hdmi_msm_wta_cec_frame);
#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT */
static ssize_t external_common_rda_video_mode(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->video_resolution+1);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->video_resolution+1);
return ret;
}
static ssize_t external_common_wta_video_mode(struct device *dev,
struct device_attribute *attr, const char *buf, size_t count)
{
ssize_t ret = strnlen(buf, PAGE_SIZE);
uint32 video_mode;
#ifdef CONFIG_FB_MSM_HDMI_COMMON
const struct hdmi_disp_mode_timing_type *disp_mode;
#endif
mutex_lock(&external_common_state_hpd_mutex);
if (!external_common_state->hpd_state) {
mutex_unlock(&external_common_state_hpd_mutex);
DEV_INFO("%s: FAILED: display off or cable disconnected\n",
__func__);
return ret;
}
mutex_unlock(&external_common_state_hpd_mutex);
video_mode = atoi(buf)-1;
DEV_INFO("%s: video_mode is %d\n", __func__, video_mode);
kobject_uevent(external_common_state->uevent_kobj, KOBJ_OFFLINE);
#ifdef CONFIG_FB_MSM_HDMI_COMMON
disp_mode = hdmi_common_get_supported_mode(video_mode);
if (!disp_mode) {
DEV_INFO("%s: FAILED: mode not supported (%d)\n",
__func__, video_mode);
return ret;
}
external_common_state->disp_mode_list.num_of_elements = 1;
external_common_state->disp_mode_list.disp_mode_list[0] = video_mode;
#elif defined(CONFIG_FB_MSM_TVOUT)
external_common_state->video_resolution = video_mode;
#endif
DEV_DBG("%s: 'mode=%d %s' successful (sending OFF/ONLINE)\n", __func__,
video_mode, video_format_2string(video_mode));
kobject_uevent(external_common_state->uevent_kobj, KOBJ_ONLINE);
return ret;
}
static ssize_t external_common_rda_connected(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
mutex_lock(&external_common_state_hpd_mutex);
ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->hpd_state);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hpd_state);
mutex_unlock(&external_common_state_hpd_mutex);
return ret;
}
static ssize_t external_common_rda_hdmi_mode(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret;
ret = snprintf(buf, PAGE_SIZE, "%d\n",
external_common_state->hdmi_sink);
DEV_DBG("%s: '%d'\n", __func__,
external_common_state->hdmi_sink);
return ret;
}
static ssize_t hdmi_common_rda_hdmi_primary(struct device *dev,
struct device_attribute *attr, char *buf)
{
ssize_t ret = snprintf(buf, PAGE_SIZE, "%d\n",
hdmi_prim_display);
DEV_DBG("%s: '%d'\n", __func__, hdmi_prim_display);
return ret;
}
static ssize_t hdmi_common_rda_audio_data_block(struct device *dev,
struct device_attribute *attr, char *buf)
{
int adb_size = external_common_state->adb_size;
int adb_count = 1;
ssize_t ret = sizeof(adb_count) + sizeof(adb_size) + adb_size;
char *data = buf;
if (ret > PAGE_SIZE) {
DEV_DBG("%s: Insufficient buffer size\n", __func__);
return 0;
}
/* Currently only extracting one audio data block */
memcpy(data, &adb_count, sizeof(adb_count));
data += sizeof(adb_count);
memcpy(data, &adb_size, sizeof(adb_size));
data += sizeof(adb_size);
memcpy(data, external_common_state->audio_data_block,
external_common_state->adb_size);
print_hex_dump(KERN_DEBUG, "AUDIO DATA BLOCK: ", DUMP_PREFIX_NONE,
32, 8, buf, ret, false);
return ret;
}
static ssize_t hdmi_common_rda_spkr_alloc_data_block(struct device *dev,
struct device_attribute *attr, char *buf)
{
int sadb_size = external_common_state->sadb_size;
int sadb_count = 1;
ssize_t ret = sizeof(sadb_count) + sizeof(sadb_size) + sadb_size;
char *data = buf;
if (ret > PAGE_SIZE) {
DEV_DBG("%s: Insufficient buffer size\n", __func__);
return 0;
}
/* Currently only extracting one speaker allocation data block */
memcpy(data, &sadb_count, sizeof(sadb_count));
data += sizeof(sadb_count);
memcpy(data, &sadb_size, sizeof(sadb_size));
data += sizeof(sadb_size);
memcpy(data, external_common_state->spkr_alloc_data_block,
external_common_state->sadb_size);
print_hex_dump(KERN_DEBUG, "SPKR ALLOC DATA BLOCK: ", DUMP_PREFIX_NONE,
32, 8, buf, ret, false);
return ret;
}
static DEVICE_ATTR(video_mode, S_IRUGO | S_IWUSR,
external_common_rda_video_mode, external_common_wta_video_mode);
static DEVICE_ATTR(video_mode_str, S_IRUGO, external_common_rda_video_mode_str,
NULL);
static DEVICE_ATTR(connected, S_IRUGO, external_common_rda_connected, NULL);
static DEVICE_ATTR(hdmi_mode, S_IRUGO, external_common_rda_hdmi_mode, NULL);
#ifdef CONFIG_FB_MSM_HDMI_COMMON
static DEVICE_ATTR(edid_modes, S_IRUGO, hdmi_common_rda_edid_modes, NULL);
static DEVICE_ATTR(hpd, S_IRUGO | S_IWUSR, hdmi_common_rda_hpd,
hdmi_common_wta_hpd);
static DEVICE_ATTR(hdcp, S_IRUGO, hdmi_common_rda_hdcp, NULL);
static DEVICE_ATTR(pa, S_IRUGO,
hdmi_common_rda_edid_physical_address, NULL);
static DEVICE_ATTR(scan_info, S_IRUGO,
hdmi_common_rda_edid_scan_info, NULL);
static DEVICE_ATTR(vendor_name, S_IRUGO | S_IWUSR, hdmi_common_rda_vendor_name,
hdmi_common_wta_vendor_name);
static DEVICE_ATTR(product_description, S_IRUGO | S_IWUSR,
hdmi_common_rda_product_description,
hdmi_common_wta_product_description);
static DEVICE_ATTR(edid_3d_modes, S_IRUGO,
hdmi_common_rda_edid_3d_modes, NULL);
static DEVICE_ATTR(3d_present, S_IRUGO, hdmi_common_rda_3d_present, NULL);
static DEVICE_ATTR(hdcp_present, S_IRUGO, hdmi_common_rda_hdcp_present, NULL);
#endif
#ifdef CONFIG_FB_MSM_HDMI_3D
static DEVICE_ATTR(format_3d, S_IRUGO | S_IWUSR, hdmi_3d_rda_format_3d,
hdmi_3d_wta_format_3d);
#endif
static DEVICE_ATTR(hdmi_primary, S_IRUGO, hdmi_common_rda_hdmi_primary, NULL);
static DEVICE_ATTR(audio_data_block, S_IRUGO, hdmi_common_rda_audio_data_block,
NULL);
static DEVICE_ATTR(spkr_alloc_data_block, S_IRUGO,
hdmi_common_rda_spkr_alloc_data_block, NULL);
static struct attribute *external_common_fs_attrs[] = {
&dev_attr_video_mode.attr,
&dev_attr_video_mode_str.attr,
&dev_attr_connected.attr,
&dev_attr_hdmi_mode.attr,
#ifdef CONFIG_FB_MSM_HDMI_COMMON
&dev_attr_edid_modes.attr,
&dev_attr_hdcp.attr,
&dev_attr_hpd.attr,
&dev_attr_pa.attr,
&dev_attr_scan_info.attr,
&dev_attr_vendor_name.attr,
&dev_attr_product_description.attr,
&dev_attr_edid_3d_modes.attr,
&dev_attr_3d_present.attr,
&dev_attr_hdcp_present.attr,
#endif
#ifdef CONFIG_FB_MSM_HDMI_3D
&dev_attr_format_3d.attr,
#endif
#ifdef CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT
&dev_attr_cec.attr,
&dev_attr_cec_logical_addr.attr,
&dev_attr_cec_rd_frame.attr,
&dev_attr_cec_wr_frame.attr,
#endif /* CONFIG_FB_MSM_HDMI_MSM_PANEL_CEC_SUPPORT */
&dev_attr_hdmi_primary.attr,
&dev_attr_audio_data_block.attr,
&dev_attr_spkr_alloc_data_block.attr,
NULL,
};
static struct attribute_group external_common_fs_attr_group = {
.attrs = external_common_fs_attrs,
};
/* create external interface kobject and initialize */
int external_common_state_create(struct platform_device *pdev)
{
int rc;
struct msm_fb_data_type *mfd = platform_get_drvdata(pdev);
if (!mfd) {
DEV_ERR("%s: mfd not found\n", __func__);
return -ENODEV;
}
if (!mfd->fbi) {
DEV_ERR("%s: mfd->fbi not found\n", __func__);
return -ENODEV;
}
if (!mfd->fbi->dev) {
DEV_ERR("%s: mfd->fbi->dev not found\n", __func__);
return -ENODEV;
}
rc = sysfs_create_group(&mfd->fbi->dev->kobj,
&external_common_fs_attr_group);
if (rc) {
DEV_ERR("%s: sysfs group creation failed, rc=%d\n", __func__,
rc);
return rc;
}
external_common_state->uevent_kobj = &mfd->fbi->dev->kobj;
DEV_ERR("%s: sysfs group %p\n", __func__,
external_common_state->uevent_kobj);
kobject_uevent(external_common_state->uevent_kobj, KOBJ_ADD);
DEV_DBG("%s: kobject_uevent(KOBJ_ADD)\n", __func__);
return 0;
}
EXPORT_SYMBOL(external_common_state_create);
void external_common_state_remove(void)
{
if (external_common_state->uevent_kobj)
sysfs_remove_group(external_common_state->uevent_kobj,
&external_common_fs_attr_group);
external_common_state->uevent_kobj = NULL;
}
EXPORT_SYMBOL(external_common_state_remove);
#ifdef CONFIG_FB_MSM_HDMI_COMMON
/* The Logic ID for HDMI TX Core. Currently only support 1 HDMI TX Core. */
struct hdmi_edid_video_mode_property_type {
uint32 video_code;
uint32 active_h;
uint32 active_v;
boolean interlaced;
uint32 total_h;
uint32 total_blank_h;
uint32 total_v;
uint32 total_blank_v;
/* Must divide by 1000 to get the frequency */
uint32 freq_h;
/* Must divide by 1000 to get the frequency */
uint32 freq_v;
/* Must divide by 1000 to get the frequency */
uint32 pixel_freq;
/* Must divide by 1000 to get the frequency */
uint32 refresh_rate;
boolean aspect_ratio_4_3;
};
/* LUT is sorted from lowest Active H to highest Active H - ease searching */
static struct hdmi_edid_video_mode_property_type
hdmi_edid_disp_mode_lut[] = {
/* All 640 H Active */
{HDMI_VFRMT_640x480p60_4_3, 640, 480, FALSE, 800, 160, 525, 45,
31465, 59940, 25175, 59940, TRUE},
{HDMI_VFRMT_640x480p60_4_3, 640, 480, FALSE, 800, 160, 525, 45,
31500, 60000, 25200, 60000, TRUE},
/* All 720 H Active */
{HDMI_VFRMT_720x576p50_4_3, 720, 576, FALSE, 864, 144, 625, 49,
31250, 50000, 27000, 50000, TRUE},
{HDMI_VFRMT_720x480p60_4_3, 720, 480, FALSE, 858, 138, 525, 45,
31465, 59940, 27000, 59940, TRUE},
{HDMI_VFRMT_720x480p60_4_3, 720, 480, FALSE, 858, 138, 525, 45,
31500, 60000, 27030, 60000, TRUE},
{HDMI_VFRMT_720x576p100_4_3, 720, 576, FALSE, 864, 144, 625, 49,
62500, 100000, 54000, 100000, TRUE},
{HDMI_VFRMT_720x480p120_4_3, 720, 480, FALSE, 858, 138, 525, 45,
62937, 119880, 54000, 119880, TRUE},
{HDMI_VFRMT_720x480p120_4_3, 720, 480, FALSE, 858, 138, 525, 45,
63000, 120000, 54054, 120000, TRUE},
{HDMI_VFRMT_720x576p200_4_3, 720, 576, FALSE, 864, 144, 625, 49,
125000, 200000, 108000, 200000, TRUE},
{HDMI_VFRMT_720x480p240_4_3, 720, 480, FALSE, 858, 138, 525, 45,
125874, 239760, 108000, 239000, TRUE},
{HDMI_VFRMT_720x480p240_4_3, 720, 480, FALSE, 858, 138, 525, 45,
126000, 240000, 108108, 240000, TRUE},
/* All 1280 H Active */
{HDMI_VFRMT_1280x720p50_16_9, 1280, 720, FALSE, 1980, 700, 750, 30,
37500, 50000, 74250, 50000, FALSE},
{HDMI_VFRMT_1280x720p60_16_9, 1280, 720, FALSE, 1650, 370, 750, 30,
44955, 59940, 74176, 59940, FALSE},
{HDMI_VFRMT_1280x720p60_16_9, 1280, 720, FALSE, 1650, 370, 750, 30,
45000, 60000, 74250, 60000, FALSE},
{HDMI_VFRMT_1280x720p100_16_9, 1280, 720, FALSE, 1980, 700, 750, 30,
75000, 100000, 148500, 100000, FALSE},
{HDMI_VFRMT_1280x720p120_16_9, 1280, 720, FALSE, 1650, 370, 750, 30,
89909, 119880, 148352, 119880, FALSE},
{HDMI_VFRMT_1280x720p120_16_9, 1280, 720, FALSE, 1650, 370, 750, 30,
90000, 120000, 148500, 120000, FALSE},
{HDMI_VFRMT_1280x1024p60_5_4, 1280, 1024, FALSE, 1688, 408, 1066, 42,
63981, 60020, 108000, 60000, FALSE},
/* All 1440 H Active */
{HDMI_VFRMT_1440x576i50_4_3, 1440, 576, TRUE, 1728, 288, 625, 24,
15625, 50000, 27000, 50000, TRUE},
{HDMI_VFRMT_720x288p50_4_3, 1440, 288, FALSE, 1728, 288, 312, 24,
15625, 50080, 27000, 50000, TRUE},
{HDMI_VFRMT_720x288p50_4_3, 1440, 288, FALSE, 1728, 288, 313, 25,
15625, 49920, 27000, 50000, TRUE},
{HDMI_VFRMT_720x288p50_4_3, 1440, 288, FALSE, 1728, 288, 314, 26,
15625, 49761, 27000, 50000, TRUE},
{HDMI_VFRMT_1440x576p50_4_3, 1440, 576, FALSE, 1728, 288, 625, 49,
31250, 50000, 54000, 50000, TRUE},
{HDMI_VFRMT_1440x480i60_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
15734, 59940, 27000, 59940, TRUE},
{HDMI_VFRMT_1440x240p60_4_3, 1440, 240, FALSE, 1716, 276, 262, 22,
15734, 60054, 27000, 59940, TRUE},
{HDMI_VFRMT_1440x240p60_4_3, 1440, 240, FALSE, 1716, 276, 263, 23,
15734, 59826, 27000, 59940, TRUE},
{HDMI_VFRMT_1440x480p60_4_3, 1440, 480, FALSE, 1716, 276, 525, 45,
31469, 59940, 54000, 59940, TRUE},
{HDMI_VFRMT_1440x480i60_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
15750, 60000, 27027, 60000, TRUE},
{HDMI_VFRMT_1440x240p60_4_3, 1440, 240, FALSE, 1716, 276, 262, 22,
15750, 60115, 27027, 60000, TRUE},
{HDMI_VFRMT_1440x240p60_4_3, 1440, 240, FALSE, 1716, 276, 263, 23,
15750, 59886, 27027, 60000, TRUE},
{HDMI_VFRMT_1440x480p60_4_3, 1440, 480, FALSE, 1716, 276, 525, 45,
31500, 60000, 54054, 60000, TRUE},
{HDMI_VFRMT_1440x576i100_4_3, 1440, 576, TRUE, 1728, 288, 625, 24,
31250, 100000, 54000, 100000, TRUE},
{HDMI_VFRMT_1440x480i120_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
31469, 119880, 54000, 119880, TRUE},
{HDMI_VFRMT_1440x480i120_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
31500, 120000, 54054, 120000, TRUE},
{HDMI_VFRMT_1440x576i200_4_3, 1440, 576, TRUE, 1728, 288, 625, 24,
62500, 200000, 108000, 200000, TRUE},
{HDMI_VFRMT_1440x480i240_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
62937, 239760, 108000, 239000, TRUE},
{HDMI_VFRMT_1440x480i240_4_3, 1440, 480, TRUE, 1716, 276, 525, 22,
63000, 240000, 108108, 240000, TRUE},
/* All 1920 H Active */
{HDMI_VFRMT_1920x1080p60_16_9, 1920, 1080, FALSE, 2200, 280, 1125,
45, 67433, 59940, 148352, 59940, FALSE},
{HDMI_VFRMT_1920x1080p60_16_9, 1920, 1080, TRUE, 2200, 280, 1125,
45, 67500, 60000, 148500, 60000, FALSE},
{HDMI_VFRMT_1920x1080p50_16_9, 1920, 1080, FALSE, 2640, 720, 1125,
45, 56250, 50000, 148500, 50000, FALSE},
{HDMI_VFRMT_1920x1080p24_16_9, 1920, 1080, FALSE, 2750, 830, 1125,
45, 26973, 23976, 74176, 24000, FALSE},
{HDMI_VFRMT_1920x1080p24_16_9, 1920, 1080, FALSE, 2750, 830, 1125,
45, 27000, 24000, 74250, 24000, FALSE},
{HDMI_VFRMT_1920x1080p25_16_9, 1920, 1080, FALSE, 2640, 720, 1125,
45, 28125, 25000, 74250, 25000, FALSE},
{HDMI_VFRMT_1920x1080p30_16_9, 1920, 1080, FALSE, 2200, 280, 1125,
45, 33716, 29970, 74176, 30000, FALSE},
{HDMI_VFRMT_1920x1080p30_16_9, 1920, 1080, FALSE, 2200, 280, 1125,
45, 33750, 30000, 74250, 30000, FALSE},
{HDMI_VFRMT_1920x1080i50_16_9, 1920, 1080, TRUE, 2304, 384, 1250,
85, 31250, 50000, 72000, 50000, FALSE},
{HDMI_VFRMT_1920x1080i60_16_9, 1920, 1080, TRUE, 2200, 280, 1125,
22, 33716, 59940, 74176, 59940, FALSE},
{HDMI_VFRMT_1920x1080i60_16_9, 1920, 1080, TRUE, 2200, 280, 1125,
22, 33750, 60000, 74250, 60000, FALSE},
{HDMI_VFRMT_1920x1080i100_16_9, 1920, 1080, TRUE, 2640, 720, 1125,
22, 56250, 100000, 148500, 100000, FALSE},
{HDMI_VFRMT_1920x1080i120_16_9, 1920, 1080, TRUE, 2200, 280, 1125,
22, 67432, 119880, 148352, 119980, FALSE},
{HDMI_VFRMT_1920x1080i120_16_9, 1920, 1080, TRUE, 2200, 280, 1125,
22, 67500, 120000, 148500, 120000, FALSE},
/* All 2880 H Active */
{HDMI_VFRMT_2880x576i50_4_3, 2880, 576, TRUE, 3456, 576, 625, 24,
15625, 50000, 54000, 50000, TRUE},
{HDMI_VFRMT_2880x288p50_4_3, 2880, 576, FALSE, 3456, 576, 312, 24,
15625, 50080, 54000, 50000, TRUE},
{HDMI_VFRMT_2880x288p50_4_3, 2880, 576, FALSE, 3456, 576, 313, 25,
15625, 49920, 54000, 50000, TRUE},
{HDMI_VFRMT_2880x288p50_4_3, 2880, 576, FALSE, 3456, 576, 314, 26,
15625, 49761, 54000, 50000, TRUE},
{HDMI_VFRMT_2880x576p50_4_3, 2880, 576, FALSE, 3456, 576, 625, 49,
31250, 50000, 108000, 50000, TRUE},
{HDMI_VFRMT_2880x480i60_4_3, 2880, 480, TRUE, 3432, 552, 525, 22,
15734, 59940, 54000, 59940, TRUE},
{HDMI_VFRMT_2880x240p60_4_3, 2880, 480, FALSE, 3432, 552, 262, 22,
15734, 60054, 54000, 59940, TRUE},
{HDMI_VFRMT_2880x240p60_4_3, 2880, 480, FALSE, 3432, 552, 263, 23,
15734, 59940, 54000, 59940, TRUE},
{HDMI_VFRMT_2880x480p60_4_3, 2880, 480, FALSE, 3432, 552, 525, 45,
31469, 59940, 108000, 59940, TRUE},
{HDMI_VFRMT_2880x480i60_4_3, 2880, 480, TRUE, 3432, 552, 525, 22,
15750, 60000, 54054, 60000, TRUE},
{HDMI_VFRMT_2880x240p60_4_3, 2880, 240, FALSE, 3432, 552, 262, 22,
15750, 60115, 54054, 60000, TRUE},
{HDMI_VFRMT_2880x240p60_4_3, 2880, 240, FALSE, 3432, 552, 262, 23,
15750, 59886, 54054, 60000, TRUE},
{HDMI_VFRMT_2880x480p60_4_3, 2880, 480, FALSE, 3432, 552, 525, 45,
31500, 60000, 108108, 60000, TRUE},
};
static const uint8 *hdmi_edid_find_block(const uint8 *in_buf,
uint32 start_offset, uint8 type, uint8 *len)
{
/* the start of data block collection, start of Video Data Block */
uint32 offset = start_offset;
uint32 end_dbc_offset = in_buf[2];
*len = 0;
/*edid buffer 1, byte 2 being 4 means no non-DTD/Data block collection
present.
edid buffer 1, byte 2 being 0 menas no non-DTD/DATA block collection
present and no DTD data present.*/
if ((end_dbc_offset == 0) || (end_dbc_offset == 4)) {
DEV_WARN("EDID: no DTD or non-DTD data present\n");
return NULL;
}
while (offset < end_dbc_offset) {
uint8 block_len = in_buf[offset] & 0x1F;
if ((in_buf[offset] >> 5) == type) {
*len = block_len;
DEV_DBG("EDID: block=%d found @ %d with length=%d\n",
type, offset, block_len);
return in_buf+offset;
}
offset += 1 + block_len;
}
DEV_WARN("EDID: type=%d block not found in EDID block\n", type);
return NULL;
}
static void hdmi_edid_extract_vendor_id(const uint8 *in_buf,
char *vendor_id)
{
uint32 id_codes = ((uint32)in_buf[8] << 8) + in_buf[9];
vendor_id[0] = 'A' - 1 + ((id_codes >> 10) & 0x1F);
vendor_id[1] = 'A' - 1 + ((id_codes >> 5) & 0x1F);
vendor_id[2] = 'A' - 1 + (id_codes & 0x1F);
vendor_id[3] = 0;
}
static uint32 hdmi_edid_extract_ieee_reg_id(const uint8 *in_buf)
{
uint8 len;
const uint8 *vsd = hdmi_edid_find_block(in_buf, DBC_START_OFFSET, 3,
&len);
if (vsd == NULL)
return 0;
DEV_DBG("EDID: VSD PhyAddr=%04x, MaxTMDS=%dMHz\n",
((uint32)vsd[4] << 8) + (uint32)vsd[5], (uint32)vsd[7] * 5);
external_common_state->physical_address =
((uint16)vsd[4] << 8) + (uint16)vsd[5];
return ((uint32)vsd[3] << 16) + ((uint32)vsd[2] << 8) + (uint32)vsd[1];
}
#define HDMI_VSDB_3D_DATA_OFFSET(vsd) \
(!((vsd)[8] & BIT(7)) ? 9 : (!((vsd)[8] & BIT(6)) ? 11 : 13))
static void hdmi_edid_extract_3d_present(const uint8 *in_buf)
{
uint8 len, offset;
const uint8 *vsd = hdmi_edid_find_block(in_buf, DBC_START_OFFSET, 3,
&len);
external_common_state->present_3d = 0;
if (vsd == NULL || len < 9) {
DEV_DBG("EDID[3D]: block-id 3 not found or not long enough\n");
return;
}
offset = HDMI_VSDB_3D_DATA_OFFSET(vsd);
DEV_DBG("EDID: 3D present @ %d = %02x\n", offset, vsd[offset]);
if (vsd[offset] >> 7) { /* 3D format indication present */
DEV_INFO("EDID: 3D present, 3D-len=%d\n", vsd[offset+1] & 0x1F);
external_common_state->present_3d = 1;
}
}
static void hdmi_edid_extract_latency_fields(const uint8 *in_buf)
{
uint8 len;
const uint8 *vsd = hdmi_edid_find_block(in_buf, DBC_START_OFFSET, 3,
&len);
if (vsd == NULL || len < 12 || !(vsd[8] & BIT(7))) {
external_common_state->video_latency = (uint16)-1;
external_common_state->audio_latency = (uint16)-1;
DEV_DBG("EDID: No audio/video latency present\n");
} else {
external_common_state->video_latency = vsd[9];
external_common_state->audio_latency = vsd[10];
DEV_DBG("EDID: video-latency=%04x, audio-latency=%04x\n",
external_common_state->video_latency,
external_common_state->audio_latency);
}
}
static void hdmi_edid_extract_speaker_allocation_data(const uint8 *in_buf)
{
uint8 len;
const uint8 *sadb = hdmi_edid_find_block(in_buf, DBC_START_OFFSET, 4,
&len);
if (sadb == NULL)
return;
if (len != MAX_SPKR_ALLOC_DATA_BLOCK_SIZE)
return;
memcpy(external_common_state->spkr_alloc_data_block, sadb + 1, len);
external_common_state->sadb_size = len;
}
static void hdmi_edid_extract_audio_data_blocks(const uint8 *in_buf)
{
uint8 len;
const uint8 *adb = hdmi_edid_find_block(in_buf, DBC_START_OFFSET, 1,
&len);
if (external_common_state->audio_data_block == NULL)
return;
if (len > MAX_AUDIO_DATA_BLOCK_SIZE)
return;
memcpy(external_common_state->audio_data_block, adb + 1, len);
external_common_state->adb_size = len;
}
static void hdmi_edid_extract_extended_data_blocks(const uint8 *in_buf)
{
uint8 len = 0;
uint32 start_offset = DBC_START_OFFSET;
/* A Tage code of 7 identifies extended data blocks */
uint8 const *etag = hdmi_edid_find_block(in_buf, start_offset, 7, &len);
while (etag != NULL) {
/* The extended data block should at least be 2 bytes long */
if (len < 2) {
DEV_DBG("EDID: Found an extended data block of length"
"less than 2 bytes. Ignoring ...\n");
} else {
/*
* The second byte of the extended data block has the
* extended tag code
*/
switch (etag[1]) {
case 0:
/* Video Capability Data Block */
DEV_DBG("EDID: VCDB=%02X %02X\n", etag[1],
etag[2]);
/*
* Check if the sink specifies underscan
* support for:
* BIT 5: preferred video format
* BIT 3: IT video format
* BIT 1: CE video format
*/
external_common_state->pt_scan_info = (etag[2] &
(BIT(4) | BIT(5))) >> 4;
external_common_state->it_scan_info = (etag[2] &
(BIT(3) | BIT(2))) >> 2;
external_common_state->ce_scan_info = etag[2] &
(BIT(1) | BIT(0));
DEV_DBG("EDID: Scan Information (pt|it|ce): "
"(%d|%d|%d)",
external_common_state->pt_scan_info,
external_common_state->it_scan_info,
external_common_state->ce_scan_info);
break;
default:
DEV_DBG("EDID: Extend Tag Code %d not"
"supported\n", etag[1]);
break;
}
}
/* There could be more that one extended data block */
start_offset = etag - in_buf + len + 1;
etag = hdmi_edid_find_block(in_buf, start_offset, 7, &len);
}
}
static void hdmi_edid_detail_desc(const uint8 *data_buf, uint32 *disp_mode)
{
boolean aspect_ratio_4_3 = FALSE;
boolean interlaced = FALSE;
uint32 active_h = 0;
uint32 active_v = 0;
uint32 blank_h = 0;
uint32 blank_v = 0;
uint32 ndx = 0;
uint32 max_num_of_elements = 0;
uint32 img_size_h = 0;
uint32 img_size_v = 0;
/* See VESA Spec */
/* EDID_TIMING_DESC_UPPER_H_NIBBLE[0x4]: Relative Offset to the EDID
* detailed timing descriptors - Upper 4 bit for each H active/blank
* field */
/* EDID_TIMING_DESC_H_ACTIVE[0x2]: Relative Offset to the EDID detailed
* timing descriptors - H active */
active_h = ((((uint32)data_buf[0x4] >> 0x4) & 0xF) << 8)
| data_buf[0x2];
/* EDID_TIMING_DESC_H_BLANK[0x3]: Relative Offset to the EDID detailed
* timing descriptors - H blank */
blank_h = (((uint32)data_buf[0x4] & 0xF) << 8)
| data_buf[0x3];
/* EDID_TIMING_DESC_UPPER_V_NIBBLE[0x7]: Relative Offset to the EDID
* detailed timing descriptors - Upper 4 bit for each V active/blank
* field */
/* EDID_TIMING_DESC_V_ACTIVE[0x5]: Relative Offset to the EDID detailed
* timing descriptors - V active */
active_v = ((((uint32)data_buf[0x7] >> 0x4) & 0xF) << 8)
| data_buf[0x5];
/* EDID_TIMING_DESC_V_BLANK[0x6]: Relative Offset to the EDID detailed
* timing descriptors - V blank */
blank_v = (((uint32)data_buf[0x7] & 0xF) << 8)
| data_buf[0x6];
/* EDID_TIMING_DESC_IMAGE_SIZE_UPPER_NIBBLE[0xE]: Relative Offset to the
* EDID detailed timing descriptors - Image Size upper nibble
* V and H */
/* EDID_TIMING_DESC_H_IMAGE_SIZE[0xC]: Relative Offset to the EDID
* detailed timing descriptors - H image size */
/* EDID_TIMING_DESC_V_IMAGE_SIZE[0xD]: Relative Offset to the EDID
* detailed timing descriptors - V image size */
img_size_h = ((((uint32)data_buf[0xE] >> 0x4) & 0xF) << 8)
| data_buf[0xC];
img_size_v = (((uint32)data_buf[0xE] & 0xF) << 8)
| data_buf[0xD];
/*
* aspect ratio as 4:3 if within specificed range , rathaer than being
* absolute value
*/
aspect_ratio_4_3 = (abs(img_size_h * 3 - img_size_v * 4) < 5) ? 1 : 0;
max_num_of_elements = sizeof(hdmi_edid_disp_mode_lut)
/ sizeof(*hdmi_edid_disp_mode_lut);
/* EDID_TIMING_DESC_INTERLACE[0x11:7]: Relative Offset to the EDID
* detailed timing descriptors - Interlace flag */
DEV_DBG("Interlaced mode byte data_buf[0x11]=[%x]\n", data_buf[0x11]);
/*
* CEA 861-D: interlaced bit is bit[7] of byte[0x11]
*/
interlaced = (data_buf[0x11] & 0x80) >> 7;
DEV_DBG("%s: A[%ux%u] B[%ux%u] V[%ux%u] %s\n", __func__,
active_h, active_v, blank_h, blank_v, img_size_h, img_size_v,
interlaced ? "i" : "p");
*disp_mode = HDMI_VFRMT_FORCE_32BIT;
while (ndx < max_num_of_elements) {
const struct hdmi_edid_video_mode_property_type *edid =
hdmi_edid_disp_mode_lut+ndx;
if ((interlaced == edid->interlaced) &&
(active_h == edid->active_h) &&
(blank_h == edid->total_blank_h) &&
(blank_v == edid->total_blank_v) &&
((active_v == edid->active_v) ||
(active_v == (edid->active_v + 1)))
) {
if (edid->aspect_ratio_4_3 && !aspect_ratio_4_3)
/* Aspect ratio 16:9 */
*disp_mode = edid->video_code + 1;
else
/* Aspect ratio 4:3 */
*disp_mode = edid->video_code;
DEV_DBG("%s: mode found:%d\n", __func__, *disp_mode);
break;
}
++ndx;
}
if (ndx == max_num_of_elements)
DEV_INFO("%s: *no mode* found\n", __func__);
}
static void limit_supported_video_format(uint32 *video_format)
{
switch(slimport_get_link_bw()){
case 0x0a:
if((*video_format == HDMI_VFRMT_1920x1080p60_16_9) ||
(*video_format == HDMI_VFRMT_2880x480p60_4_3)||
(*video_format == HDMI_VFRMT_2880x480p60_16_9) ||
(*video_format == HDMI_VFRMT_1280x720p120_16_9))
*video_format = HDMI_VFRMT_1280x720p60_16_9;
else if((*video_format == HDMI_VFRMT_1920x1080p50_16_9) ||
(*video_format == HDMI_VFRMT_2880x576p50_4_3)||
(*video_format == HDMI_VFRMT_2880x576p50_16_9) ||
(*video_format == HDMI_VFRMT_1280x720p100_16_9))
*video_format = HDMI_VFRMT_1280x720p50_16_9;
else if (*video_format == HDMI_VFRMT_1920x1080i100_16_9)
*video_format = HDMI_VFRMT_1920x1080i50_16_9;
else if (*video_format == HDMI_VFRMT_1920x1080i120_16_9)
*video_format = HDMI_VFRMT_1920x1080i60_16_9;
break;
case 0x06:
if(*video_format != HDMI_VFRMT_640x480p60_4_3)
*video_format = HDMI_VFRMT_640x480p60_4_3;
break;
case 0x14:
default:
break;
}
}
static void add_supported_video_format(
struct hdmi_disp_mode_list_type *disp_mode_list,
uint32 video_format)
{
const struct hdmi_disp_mode_timing_type *timing;
boolean supported = false;
boolean mhl_supported = true;
limit_supported_video_format(&video_format);
if (video_format >= HDMI_VFRMT_MAX)
return;
timing = hdmi_common_get_supported_mode(video_format);
supported = timing != NULL;
DEV_DBG("EDID: format: %d [%s], %s\n",
video_format, video_format_2string(video_format),
supported ? "Supported" : "Not-Supported");
if (mhl_is_connected()) {
const struct hdmi_disp_mode_timing_type *mhl_timing =
hdmi_mhl_get_supported_mode(video_format);
mhl_supported = mhl_timing != NULL;
DEV_DBG("EDID: format: %d [%s], %s by MHL\n",
video_format, video_format_2string(video_format),
mhl_supported ? "Supported" : "Not-Supported");
}
if (supported && mhl_supported) {
disp_mode_list->disp_mode_list[
disp_mode_list->num_of_elements++] = video_format;
if (video_format == external_common_state->video_resolution) {
DEV_DBG("%s: Default resolution %d [%s] supported\n",
__func__, video_format,
video_format_2string(video_format));
external_common_state->default_res_supported = true;
}
}
}
const char *single_video_3d_format_2string(uint32 format)
{
switch (format) {
case TOP_AND_BOTTOM: return "TAB";
case FRAME_PACKING: return "FP";
case SIDE_BY_SIDE_HALF: return "SSH";
}
return "";
}
ssize_t video_3d_format_2string(uint32 format, char *buf)
{
ssize_t ret, len = 0;
ret = snprintf(buf, PAGE_SIZE, "%s",
single_video_3d_format_2string(format & FRAME_PACKING));
len += ret;
if (len && (format & TOP_AND_BOTTOM))
ret = snprintf(buf + len, PAGE_SIZE - len, ":%s",
single_video_3d_format_2string(
format & TOP_AND_BOTTOM));
else
ret = snprintf(buf + len, PAGE_SIZE - len, "%s",
single_video_3d_format_2string(
format & TOP_AND_BOTTOM));
len += ret;
if (len && (format & SIDE_BY_SIDE_HALF))
ret = snprintf(buf + len, PAGE_SIZE - len, ":%s",
single_video_3d_format_2string(
format & SIDE_BY_SIDE_HALF));
else
ret = snprintf(buf + len, PAGE_SIZE - len, "%s",
single_video_3d_format_2string(
format & SIDE_BY_SIDE_HALF));
len += ret;
return len;
}
static void add_supported_3d_format(
struct hdmi_disp_mode_list_type *disp_mode_list,
uint32 video_format,
uint32 video_3d_format)
{
char string[128];
boolean added = FALSE;
int i;
for (i = 0; i < disp_mode_list->num_of_elements; ++i) {
if (disp_mode_list->disp_mode_list[i] == video_format) {
disp_mode_list->disp_3d_mode_list[i] |=
video_3d_format;
added = TRUE;
break;
}
}
video_3d_format_2string(video_3d_format, string);
DEV_DBG("EDID[3D]: format: %d [%s], %s %s\n",
video_format, video_format_2string(video_format),
string, added ? "added" : "NOT added");
}
static void hdmi_edid_get_display_vsd_3d_mode(const uint8 *data_buf,
struct hdmi_disp_mode_list_type *disp_mode_list,
uint32 num_og_cea_blocks)
{
uint8 len, offset, present_multi_3d, hdmi_vic_len;
int hdmi_3d_len;
uint16 structure_all, structure_mask;
const uint8 *vsd = num_og_cea_blocks ?
hdmi_edid_find_block(data_buf+0x80, DBC_START_OFFSET,
3, &len) : NULL;
int i;
offset = HDMI_VSDB_3D_DATA_OFFSET(vsd);
present_multi_3d = (vsd[offset] & 0x60) >> 5;
offset += 1;
hdmi_vic_len = (vsd[offset] >> 5) & 0x7;
hdmi_3d_len = vsd[offset] & 0x1F;
DEV_DBG("EDID[3D]: HDMI_VIC_LEN = %d, HDMI_3D_LEN = %d\n",
hdmi_vic_len, hdmi_3d_len);
offset += (hdmi_vic_len + 1);
if (present_multi_3d == 1 || present_multi_3d == 2) {
DEV_DBG("EDID[3D]: multi 3D present (%d)\n", present_multi_3d);
/* 3d_structure_all */
structure_all = (vsd[offset] << 8) | vsd[offset + 1];
offset += 2;
hdmi_3d_len -= 2;
if (present_multi_3d == 2) {
/* 3d_structure_mask */
structure_mask = (vsd[offset] << 8) | vsd[offset + 1];
offset += 2;
hdmi_3d_len -= 2;
} else
structure_mask = 0xffff;
i = 0;
while (i < 16) {
if (i >= disp_mode_list->disp_multi_3d_mode_list_cnt)
break;
if (!(structure_mask & BIT(i))) {
++i;
continue;
}
/* BIT0: FRAME PACKING */
if (structure_all & BIT(0))
add_supported_3d_format(disp_mode_list,
disp_mode_list->
disp_multi_3d_mode_list[i],
FRAME_PACKING);
/* BIT6: TOP AND BOTTOM */
if (structure_all & BIT(6))
add_supported_3d_format(disp_mode_list,
disp_mode_list->
disp_multi_3d_mode_list[i],
TOP_AND_BOTTOM);
/* BIT8: SIDE BY SIDE HALF */
if (structure_all & BIT(8))
add_supported_3d_format(disp_mode_list,
disp_mode_list->
disp_multi_3d_mode_list[i],
SIDE_BY_SIDE_HALF);
++i;
}
}
i = 0;
while (hdmi_3d_len > 0) {
DEV_DBG("EDID[3D]: 3D_Structure_%d @ %d: %02x\n",
i + 1, offset, vsd[offset]);
if ((vsd[offset] >> 4) >=
disp_mode_list->disp_multi_3d_mode_list_cnt) {
if ((vsd[offset] & 0x0F) >= 8) {
offset += 1;
hdmi_3d_len -= 1;
DEV_DBG("EDID[3D]: 3D_Detail_%d @ %d: %02x\n",
i + 1, offset, vsd[offset]);
}
i += 1;
offset += 1;
hdmi_3d_len -= 1;
continue;
}
switch (vsd[offset] & 0x0F) {
case 0:
/* 0000b: FRAME PACKING */
add_supported_3d_format(disp_mode_list,
disp_mode_list->disp_multi_3d_mode_list
[vsd[offset] >> 4],
FRAME_PACKING);
break;
case 6:
/* 0110b: TOP AND BOTTOM */
add_supported_3d_format(disp_mode_list,
disp_mode_list->disp_multi_3d_mode_list
[vsd[offset] >> 4],
TOP_AND_BOTTOM);
break;
case 8:
/* 1000b: SIDE BY SIDE HALF */
add_supported_3d_format(disp_mode_list,
disp_mode_list->disp_multi_3d_mode_list
[vsd[offset] >> 4],
SIDE_BY_SIDE_HALF);
break;
}
if ((vsd[offset] & 0x0F) >= 8) {
offset += 1;
hdmi_3d_len -= 1;
DEV_DBG("EDID[3D]: 3D_Detail_%d @ %d: %02x\n",
i + 1, offset, vsd[offset]);
}
i += 1;
offset += 1;
hdmi_3d_len -= 1;
}
}
static void hdmi_edid_get_display_mode(const uint8 *data_buf,
struct hdmi_disp_mode_list_type *disp_mode_list,
uint32 num_og_cea_blocks)
{
uint8 i = 0, offset = 0, std_blk = 0;
uint32 video_format = HDMI_VFRMT_640x480p60_4_3;
boolean has480p = FALSE;
uint8 len;
const uint8 *edid_blk0 = &data_buf[0x0];
const uint8 *edid_blk1 = &data_buf[0x80];
const uint8 *svd = num_og_cea_blocks ?
hdmi_edid_find_block(data_buf+0x80, DBC_START_OFFSET,
2, &len) : NULL;
boolean has60hz_mode = FALSE;
boolean has50hz_mode = FALSE;
disp_mode_list->num_of_elements = 0;
disp_mode_list->disp_multi_3d_mode_list_cnt = 0;
if (svd != NULL) {
++svd;
for (i = 0; i < len; ++i, ++svd) {
/* Subtract 1 because it is zero based in the driver,
* while the Video identification code is 1 based in the
* CEA_861D spec */
video_format = (*svd & 0x7F) - 1;
add_supported_video_format(disp_mode_list,
video_format);
/* Make a note of the preferred video format */
if (i == 0) {
external_common_state->preferred_video_format =
video_format;
}
if (i < 16) {
disp_mode_list->disp_multi_3d_mode_list[i]
= video_format;
disp_mode_list->disp_multi_3d_mode_list_cnt++;
}
if (video_format <= HDMI_VFRMT_1920x1080p60_16_9 ||
video_format == HDMI_VFRMT_2880x480p60_4_3 ||
video_format == HDMI_VFRMT_2880x480p60_16_9)
has60hz_mode = TRUE;
if ((video_format >= HDMI_VFRMT_720x576p50_4_3 &&
video_format <= HDMI_VFRMT_1920x1080p50_16_9) ||
video_format == HDMI_VFRMT_2880x576p50_4_3 ||
video_format == HDMI_VFRMT_2880x576p50_16_9 ||
video_format == HDMI_VFRMT_1920x1250i50_16_9)
has50hz_mode = TRUE;
if (video_format == HDMI_VFRMT_640x480p60_4_3)
has480p = TRUE;
}
} else if (!num_og_cea_blocks) {
/* Detailed timing descriptors */
uint32 desc_offset = 0;
/* Maximum 4 timing descriptor in block 0 - No CEA
* extension in this case */
/* EDID_FIRST_TIMING_DESC[0x36] - 1st detailed timing
* descriptor */
/* EDID_DETAIL_TIMING_DESC_BLCK_SZ[0x12] - Each detailed timing
* descriptor has block size of 18 */
while (4 > i && 0 != edid_blk0[0x36+desc_offset]) {
hdmi_edid_detail_desc(edid_blk0+0x36+desc_offset,
&video_format);
DEV_DBG("[%s:%d] Block-0 Adding vid fmt = [%s]\n",
__func__, __LINE__,
video_format_2string(video_format));
add_supported_video_format(disp_mode_list,
video_format);
if (video_format == HDMI_VFRMT_640x480p60_4_3)
has480p = TRUE;
/* Make a note of the preferred video format */
if (i == 0) {
external_common_state->preferred_video_format =
video_format;
}
desc_offset += 0x12;
++i;
}
} else if (1 == num_og_cea_blocks) {
uint32 desc_offset = 0;
/*
* Read from both block 0 and block 1
* Read EDID block[0] as above
*/
while (4 > i && 0 != edid_blk0[0x36+desc_offset]) {
hdmi_edid_detail_desc(edid_blk0+0x36+desc_offset,
&video_format);
DEV_DBG("[%s:%d] Block-0 Adding vid fmt = [%s]\n",
__func__, __LINE__,
video_format_2string(video_format));
add_supported_video_format(disp_mode_list,
video_format);
if (video_format == HDMI_VFRMT_640x480p60_4_3)
has480p = TRUE;
/* Make a note of the preferred video format */
if (i == 0) {
external_common_state->preferred_video_format =
video_format;
}
desc_offset += 0x12;
++i;
}
/* Parse block 1 - CEA extension byte offset of first
* detailed timing generation - offset is relevant to
* the offset of block 1 */
/* EDID_CEA_EXTENSION_FIRST_DESC[0x82]: Offset to CEA
* extension first timing desc - indicate the offset of
* the first detailed timing descriptor */
/* EDID_BLOCK_SIZE = 0x80 Each page size in the EDID ROM */
desc_offset = edid_blk1[0x02];
while (0 != edid_blk1[desc_offset]) {
hdmi_edid_detail_desc(edid_blk1+desc_offset,
&video_format);
DEV_DBG("[%s:%d] Block-1 Adding vid fmt = [%s]\n",
__func__, __LINE__,
video_format_2string(video_format));
add_supported_video_format(disp_mode_list,
video_format);
if (video_format == HDMI_VFRMT_640x480p60_4_3)
has480p = TRUE;
/* Make a note of the preferred video format */
if (i == 0) {
external_common_state->preferred_video_format =
video_format;
}
desc_offset += 0x12;
++i;
}
}
/*
* Check SD Timings if it contains 1280x1024@60Hz.
* SD Timing can be max 8 with 2 byte in size.
*/
std_blk = 0;
offset = 0;
while (std_blk < 8) {
if ((edid_blk0[0x26 + offset] == 0x81) &&
(edid_blk0[0x26 + offset + 1] == 0x80)) {
add_supported_video_format(disp_mode_list,
HDMI_VFRMT_1280x1024p60_5_4);
break;
} else {
offset += 2;
}
std_blk++;
}
/* check if the EDID revision is 4 (version 1.4) */
if (edid_blk0[0x13] == 4) {
uint8 start = 0x36;
i = 0;
/* Check each of 4 - 18 bytes descriptors */
while (i < 4) {
uint8 itrate = start;
uint32 header_1 = 0;
uint8 header_2 = 0;
/*
* First 5 bytes are header.
* If they match 0x000000F700, it means its an
* established Timing III descriptor.
*/
header_1 = edid_blk0[itrate++];
header_1 = header_1 << 8 | edid_blk0[itrate++];
header_1 = header_1 << 8 | edid_blk0[itrate++];
header_1 = header_1 << 8 | edid_blk0[itrate++];
header_2 = edid_blk0[itrate];
if (header_1 == 0x000000F7 &&
header_2 == 0x00) {
itrate++; /* VESA DMT Standard Version (0x0A)*/
itrate++; /* First set of supported formats */
itrate++; /* Second set of supported formats */
/* BIT(1) indicates 1280x1024@60Hz */
if (edid_blk0[itrate] & 0x02) {
add_supported_video_format(
disp_mode_list,
HDMI_VFRMT_1280x1024p60_5_4);
break;
}
}
i++;
start += 0x12;
}
}
/* mandaroty 3d format */
if (external_common_state->present_3d) {
if (has60hz_mode) {
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1920x1080p24_16_9,
FRAME_PACKING | TOP_AND_BOTTOM);
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1280x720p60_16_9,
FRAME_PACKING | TOP_AND_BOTTOM);
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1920x1080i60_16_9,
SIDE_BY_SIDE_HALF);
}
if (has50hz_mode) {
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1920x1080p24_16_9,
FRAME_PACKING | TOP_AND_BOTTOM);
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1280x720p50_16_9,
FRAME_PACKING | TOP_AND_BOTTOM);
add_supported_3d_format(disp_mode_list,
HDMI_VFRMT_1920x1080i50_16_9,
SIDE_BY_SIDE_HALF);
}
/* 3d format described in Vendor Specific Data */
hdmi_edid_get_display_vsd_3d_mode(data_buf, disp_mode_list,
num_og_cea_blocks);
}
if (!has480p)
/* Need to add default 640 by 480 timings, in case not described
* in the EDID structure.
* All DTV sink devices should support this mode */
add_supported_video_format(disp_mode_list,
HDMI_VFRMT_640x480p60_4_3);
}
static int hdmi_common_read_edid_block(int block, uint8 *edid_buf)
{
uint32 ndx, check_sum, print_len;
#ifdef DEBUG
const u8 *b = edid_buf;
#endif
int status = external_common_state->read_edid_block(block, edid_buf);
if (status)
goto error;
/* Calculate checksum */
check_sum = 0;
for (ndx = 0; ndx < 0x80; ++ndx)
check_sum += edid_buf[ndx];
if (check_sum & 0xFF) {
DEV_ERR("%s: failed CHECKSUM (read:%x, expected:%x)\n",
__func__, (uint8)edid_buf[0x7F], (uint8)check_sum);
#ifdef DEBUG
for (ndx = 0; ndx < 0x100; ndx += 16)
DEV_DBG("EDID[%02x-%02x] %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x\n", ndx, ndx+15,
b[ndx+0], b[ndx+1], b[ndx+2], b[ndx+3],
b[ndx+4], b[ndx+5], b[ndx+6], b[ndx+7],
b[ndx+8], b[ndx+9], b[ndx+10], b[ndx+11],
b[ndx+12], b[ndx+13], b[ndx+14], b[ndx+15]);
#endif
status = -EPROTO;
goto error;
}
print_len = 0x80;
for (ndx = 0; ndx < print_len; ndx += 16)
DEV_DBG("EDID[%02x-%02x] %02x %02x %02x %02x "
"%02x %02x %02x %02x %02x %02x %02x %02x "
"%02x %02x %02x %02x\n", ndx, ndx+15,
b[ndx+0], b[ndx+1], b[ndx+2], b[ndx+3],
b[ndx+4], b[ndx+5], b[ndx+6], b[ndx+7],
b[ndx+8], b[ndx+9], b[ndx+10], b[ndx+11],
b[ndx+12], b[ndx+13], b[ndx+14], b[ndx+15]);
error:
return status;
}
static boolean check_edid_header(const uint8 *edid_buf)
{
return (edid_buf[0] == 0x00) && (edid_buf[1] == 0xff)
&& (edid_buf[2] == 0xff) && (edid_buf[3] == 0xff)
&& (edid_buf[4] == 0xff) && (edid_buf[5] == 0xff)
&& (edid_buf[6] == 0xff) && (edid_buf[7] == 0x00);
}
int hdmi_common_read_edid(void)
{
int status = 0;
uint32 cea_extension_ver = 0;
uint32 num_og_cea_blocks = 0;
uint32 ieee_reg_id = 0;
uint32 i = 1;
char vendor_id[5];
/* EDID_BLOCK_SIZE[0x80] Each page size in the EDID ROM */
uint8 edid_buf[0x80 * 4];
external_common_state->pt_scan_info = 0;
external_common_state->it_scan_info = 0;
external_common_state->ce_scan_info = 0;
external_common_state->preferred_video_format = 0;
external_common_state->present_3d = 0;
memset(&external_common_state->disp_mode_list, 0,
sizeof(external_common_state->disp_mode_list));
memset(edid_buf, 0, sizeof(edid_buf));
memset(external_common_state->audio_data_block, 0,
sizeof(external_common_state->audio_data_block));
memset(external_common_state->spkr_alloc_data_block, 0,
sizeof(external_common_state->spkr_alloc_data_block));
external_common_state->adb_size = 0;
external_common_state->sadb_size = 0;
external_common_state->default_res_supported = false;
status = hdmi_common_read_edid_block(0, edid_buf);
if (status || !check_edid_header(edid_buf)) {
if (!status)
status = -EPROTO;
DEV_ERR("%s: edid read block(0) failed: %d "
"[%02x%02x%02x%02x%02x%02x%02x%02x]\n", __func__,
status,
edid_buf[0], edid_buf[1], edid_buf[2], edid_buf[3],
edid_buf[4], edid_buf[5], edid_buf[6], edid_buf[7]);
goto error;
}
hdmi_edid_extract_vendor_id(edid_buf, vendor_id);
/* EDID_CEA_EXTENSION_FLAG[0x7E] - CEC extension byte */
num_og_cea_blocks = edid_buf[0x7E];
DEV_DBG("[JSR] (%s): No. of CEA blocks is [%u]\n", __func__,
num_og_cea_blocks);
/* Find out any CEA extension blocks following block 0 */
switch (num_og_cea_blocks) {
case 0: /* No CEA extension */
external_common_state->hdmi_sink = false;
DEV_DBG("HDMI DVI mode: %s\n",
external_common_state->hdmi_sink ? "no" : "yes");
break;
case 1: /* Read block 1 */
status = hdmi_common_read_edid_block(1, &edid_buf[0x80]);
if (status) {
DEV_ERR("%s: ddc read block(1) failed: %d\n", __func__,
status);
goto error;
}
if (edid_buf[0x80] != 2)
num_og_cea_blocks = 0;
if (num_og_cea_blocks) {
ieee_reg_id =
hdmi_edid_extract_ieee_reg_id(edid_buf+0x80);
if (ieee_reg_id == 0x0c03)
external_common_state->hdmi_sink = TRUE ;
else
external_common_state->hdmi_sink = FALSE ;
hdmi_edid_extract_latency_fields(edid_buf+0x80);
hdmi_edid_extract_speaker_allocation_data(
edid_buf+0x80);
hdmi_edid_extract_audio_data_blocks(edid_buf+0x80);
hdmi_edid_extract_3d_present(edid_buf+0x80);
hdmi_edid_extract_extended_data_blocks(edid_buf+0x80);
}
break;
case 2:
case 3:
case 4:
for (i = 1; i <= num_og_cea_blocks; i++) {
if (!(i % 2)) {
status = hdmi_common_read_edid_block(i,
edid_buf+0x00);
if (status) {
DEV_ERR("%s: ddc read block(%d)"
"failed: %d\n", __func__, i,
status);
goto error;
}
} else {
status = hdmi_common_read_edid_block(i,
edid_buf+0x80);
if (status) {
DEV_ERR("%s: ddc read block(%d)"
"failed:%d\n", __func__, i,
status);
goto error;
}
}
}
break;
default:
DEV_ERR("%s: ddc read failed, not supported multi-blocks: %d\n",
__func__, num_og_cea_blocks);
status = -EPROTO;
goto error;
}
if (num_og_cea_blocks) {
/* EDID_CEA_EXTENSION_VERSION[0x81]: Offset to CEA extension
* version number - v1,v2,v3 (v1 is seldom, v2 is obsolete,
* v3 most common) */
cea_extension_ver = edid_buf[0x81];
}
/* EDID_VERSION[0x12] - EDID Version */
/* EDID_REVISION[0x13] - EDID Revision */
DEV_INFO("EDID (V=%d.%d, #CEABlocks=%d[V%d], ID=%s, IEEE=%04x, "
"EDID-Ext=0x%02x)\n", edid_buf[0x12], edid_buf[0x13],
num_og_cea_blocks, cea_extension_ver, vendor_id, ieee_reg_id,
edid_buf[0x80]);
hdmi_edid_get_display_mode(edid_buf,
&external_common_state->disp_mode_list, num_og_cea_blocks);
return 0;
error:
external_common_state->disp_mode_list.num_of_elements = 1;
external_common_state->disp_mode_list.disp_mode_list[0] =
external_common_state->video_resolution;
external_common_state->default_res_supported = true;
return status;
}
EXPORT_SYMBOL(hdmi_common_read_edid);
bool hdmi_common_get_video_format_from_drv_data(struct msm_fb_data_type *mfd)
{
uint32 format = external_common_state->video_resolution;
struct fb_var_screeninfo *var = &mfd->fbi->var;
bool changed = TRUE;
uint32_t userformat = 0;
userformat = var->reserved[3] >> 16;
if (userformat) {
format = userformat-1;
DEV_DBG("reserved format is %d\n", format);
} else if (hdmi_prim_resolution) {
format = hdmi_prim_resolution - 1;
} else {
DEV_DBG("detecting resolution from %dx%d use top 2 bytes of"
" var->reserved[3] to specify mode", mfd->var_xres,
mfd->var_yres);
switch (mfd->var_xres) {
default:
case 640:
format = HDMI_VFRMT_640x480p60_4_3;
break;
case 720:
format = (mfd->var_yres == 480)
? HDMI_VFRMT_720x480p60_16_9
: HDMI_VFRMT_720x576p50_16_9;
break;
case 1280:
if (mfd->var_yres == 1024)
format = HDMI_VFRMT_1280x1024p60_5_4;
else if (mfd->var_frame_rate == 50000)
format = HDMI_VFRMT_1280x720p50_16_9;
else
format = HDMI_VFRMT_1280x720p60_16_9;
break;
case 1440:
format = (mfd->var_yres == 240) /* interlaced has half
of y res.
*/
? HDMI_VFRMT_1440x480i60_16_9
: HDMI_VFRMT_1440x576i50_16_9;
break;
case 1920:
if (mfd->var_yres == 540) {/* interlaced */
format = HDMI_VFRMT_1920x1080i60_16_9;
} else if (mfd->var_yres == 1080) {
if (mfd->var_frame_rate == 50000)
format = HDMI_VFRMT_1920x1080p50_16_9;
else if (mfd->var_frame_rate == 24000)
format = HDMI_VFRMT_1920x1080p24_16_9;
else if (mfd->var_frame_rate == 25000)
format = HDMI_VFRMT_1920x1080p25_16_9;
else if (mfd->var_frame_rate == 30000)
format = HDMI_VFRMT_1920x1080p30_16_9;
else
format = HDMI_VFRMT_1920x1080p60_16_9;
}
break;
}
}
changed = external_common_state->video_resolution != format;
if (external_common_state->video_resolution != format)
DEV_DBG("switching %s => %s", video_format_2string(
external_common_state->video_resolution),
video_format_2string(format));
else
DEV_DBG("resolution %s", video_format_2string(
external_common_state->video_resolution));
external_common_state->video_resolution = format;
return changed;
}
EXPORT_SYMBOL(hdmi_common_get_video_format_from_drv_data);
const struct hdmi_disp_mode_timing_type *hdmi_common_get_mode(uint32 mode)
{
if (mode >= HDMI_VFRMT_MAX)
return NULL;
return &hdmi_common_supported_video_mode_lut[mode];
}
EXPORT_SYMBOL(hdmi_common_get_mode);
const struct hdmi_disp_mode_timing_type *hdmi_common_get_supported_mode(
uint32 mode)
{
const struct hdmi_disp_mode_timing_type *ret
= hdmi_common_get_mode(mode);
if (ret == NULL || !ret->supported)
return NULL;
return ret;
}
EXPORT_SYMBOL(hdmi_common_get_supported_mode);
const struct hdmi_disp_mode_timing_type *hdmi_mhl_get_mode(uint32 mode)
{
if (mode >= HDMI_VFRMT_MAX)
return NULL;
return &hdmi_mhl_supported_video_mode_lut[mode];
}
EXPORT_SYMBOL(hdmi_mhl_get_mode);
const struct hdmi_disp_mode_timing_type *hdmi_mhl_get_supported_mode(
uint32 mode)
{
const struct hdmi_disp_mode_timing_type *ret
= hdmi_mhl_get_mode(mode);
if (ret == NULL || !ret->supported)
return NULL;
return ret;
}
EXPORT_SYMBOL(hdmi_mhl_get_supported_mode);
void hdmi_common_init_panel_info(struct msm_panel_info *pinfo)
{
const struct hdmi_disp_mode_timing_type *timing =
hdmi_common_get_supported_mode(
external_common_state->video_resolution);
if (timing == NULL)
return;
pinfo->xres = timing->active_h;
pinfo->yres = timing->active_v;
pinfo->clk_rate = timing->pixel_freq*1000;
pinfo->frame_rate = 60;
pinfo->lcdc.h_back_porch = timing->back_porch_h;
pinfo->lcdc.h_front_porch = timing->front_porch_h;
pinfo->lcdc.h_pulse_width = timing->pulse_width_h;
pinfo->lcdc.v_back_porch = timing->back_porch_v;
pinfo->lcdc.v_front_porch = timing->front_porch_v;
pinfo->lcdc.v_pulse_width = timing->pulse_width_v;
pinfo->type = DTV_PANEL;
pinfo->pdest = DISPLAY_2;
pinfo->wait_cycle = 0;
pinfo->bpp = 24;
if (hdmi_prim_display)
pinfo->fb_num = 2;
else
pinfo->fb_num = 1;
/* blk */
pinfo->lcdc.border_clr = 0;
/* blue */
pinfo->lcdc.underflow_clr = 0xff;
pinfo->lcdc.hsync_skew = 0;
}
EXPORT_SYMBOL(hdmi_common_init_panel_info);
#endif