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android_hardware_samsung/exynos3/s5pc110/libhdmi/SecHDMI.cpp
Petr Havlena c9288149a3 exynos3: libhdmi: initial commit 
Change-Id: Iee23cf3b6e746c3a20adf7b90ab930a3cba50d5c
2012-11-16 05:12:41 -08:00

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20 KiB
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/*
* Copyright 2011, Havlena Petr <havlenapetr@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <string.h>
#include <stdlib.h>
#include <sys/poll.h>
#include <sec_lcd.h>
#include "SecHDMI.h"
#include "fimd.h"
using namespace android;
#define RETURN_IF(return_value) \
if (return_value < 0) { \
ALOGE("%s::%d fail. errno: %s", \
__func__, __LINE__, strerror(errno)); \
return -1; \
}
#define ALOG_IF(return_value) \
if (return_value < 0) { \
ALOGE("%s::%d fail. errno: %s", \
__func__, __LINE__, strerror(errno)); \
}
#define ALIGN_TO_32B(x) ((((x) + (1 << 5) - 1) >> 5) << 5)
#define ALIGN_TO_128B(x) ((((x) + (1 << 7) - 1) >> 7) << 7)
#define ALIGN_TO_8KB(x) ((((x) + (1 << 13) - 1) >> 13) << 13)
struct s5p_tv_standart_internal {
int index;
unsigned long value;
} s5p_tv_standards[] = {
{
S5P_TV_STD_NTSC_M,
V4L2_STD_NTSC_M,
}, {
S5P_TV_STD_PAL_BDGHI,
V4L2_STD_PAL_BDGHI,
}, {
S5P_TV_STD_PAL_M,
V4L2_STD_PAL_M,
}, {
S5P_TV_STD_PAL_N,
V4L2_STD_PAL_N,
}, {
S5P_TV_STD_PAL_Nc,
V4L2_STD_PAL_Nc,
}, {
S5P_TV_STD_PAL_60,
V4L2_STD_PAL_60,
}, {
S5P_TV_STD_NTSC_443,
V4L2_STD_NTSC_443,
}, {
S5P_TV_STD_480P_60_16_9,
V4L2_STD_480P_60_16_9,
}, {
S5P_TV_STD_480P_60_4_3,
V4L2_STD_480P_60_4_3,
}, {
S5P_TV_STD_576P_50_16_9,
V4L2_STD_576P_50_16_9,
}, {
S5P_TV_STD_576P_50_4_3,
V4L2_STD_576P_50_4_3,
}, {
S5P_TV_STD_720P_60,
V4L2_STD_720P_60,
}, {
S5P_TV_STD_720P_50,
V4L2_STD_720P_50,
},
};
static inline int calcFrameSize(int format, int width, int height)
{
int size = 0;
switch (format) {
case V4L2_PIX_FMT_YUV420:
case V4L2_PIX_FMT_NV12:
case V4L2_PIX_FMT_NV21:
size = (width * height * 3 / 2);
break;
case V4L2_PIX_FMT_NV12T:
size = ALIGN_TO_8KB(ALIGN_TO_128B(width) * ALIGN_TO_32B(height)) +
ALIGN_TO_8KB(ALIGN_TO_128B(width) * ALIGN_TO_32B(height / 2));
break;
case V4L2_PIX_FMT_YUV422P:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_UYVY:
size = (width * height * 2);
break;
default :
ALOGE("ERR(%s):Invalid V4L2 pixel format(%d)\n", __func__, format);
case V4L2_PIX_FMT_RGB565:
size = (width * height * 2);
break;
}
return size;
}
static int get_pixel_depth(unsigned int fmt)
{
int depth = 0;
switch (fmt) {
case V4L2_PIX_FMT_NV12:
depth = 12;
break;
case V4L2_PIX_FMT_NV12T:
depth = 12;
break;
case V4L2_PIX_FMT_NV21:
depth = 12;
break;
case V4L2_PIX_FMT_YUV420:
depth = 12;
break;
case V4L2_PIX_FMT_RGB565:
case V4L2_PIX_FMT_YUYV:
case V4L2_PIX_FMT_YVYU:
case V4L2_PIX_FMT_UYVY:
case V4L2_PIX_FMT_VYUY:
case V4L2_PIX_FMT_NV16:
case V4L2_PIX_FMT_NV61:
case V4L2_PIX_FMT_YUV422P:
depth = 16;
break;
case V4L2_PIX_FMT_RGB32:
depth = 32;
break;
}
return depth;
}
// ======================================================================
// Video ioctls
static int tv20_v4l2_querycap(int fp)
{
struct v4l2_capability cap;
int ret = ioctl(fp, VIDIOC_QUERYCAP, &cap);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_QUERYCAP failed", __func__);
return -1;
}
if (!(cap.capabilities & V4L2_CAP_VIDEO_OUTPUT)) {
ALOGE("ERR(%s):no output devices\n", __func__);
return -1;
}
ALOGV("Name of cap driver is %s", cap.driver);
return ret;
}
static const __u8* tv20_v4l2_enum_output(int fp, int index)
{
static struct v4l2_output output;
output.index = index;
if (ioctl(fp, VIDIOC_ENUMOUTPUT, &output) != 0) {
ALOGE("ERR(%s):No matching index found", __func__);
return NULL;
}
ALOGV("Name of output channel[%d] is %s", output.index, output.name);
return output.name;
}
static const __u8* tv20_v4l2_enum_standarts(int fp, int index)
{
static struct v4l2_standard standart;
standart.index = index;
if (ioctl(fp, VIDIOC_ENUMSTD, &standart) != 0) {
ALOGE("ERR(%s):No matching index found\n", __func__);
return NULL;
}
ALOGV("Name of output standart[%d] is %s\n", standart.index, standart.name);
return standart.name;
}
static int tv20_v4l2_s_output(int fp, int index)
{
struct v4l2_output output;
int ret;
output.index = index;
ret = ioctl(fp, VIDIOC_S_OUTPUT, &output);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_S_OUPUT failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_s_std(int fp, unsigned long id)
{
v4l2_std_id std;
int ret;
std = id;
ret = ioctl(fp, VIDIOC_S_STD, &std);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_S_OUPUT failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_enum_fmt(int fp, unsigned int fmt)
{
struct v4l2_fmtdesc fmtdesc;
int found = 0;
fmtdesc.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
fmtdesc.index = 0;
while (ioctl(fp, VIDIOC_ENUM_FMT, &fmtdesc) == 0) {
if (fmtdesc.pixelformat == fmt) {
ALOGV("passed fmt = %#x found pixel format[%d]: %s\n", fmt, fmtdesc.index, fmtdesc.description);
found = 1;
break;
}
fmtdesc.index++;
}
if (!found) {
ALOGE("unsupported pixel format\n");
return -1;
}
return 0;
}
static int tv20_v4l2_s_fmt(int fp, int width, int height,
unsigned int fmt, unsigned int yAddr, unsigned int cAddr)
{
struct v4l2_format v4l2_fmt;
struct v4l2_pix_format_s5p_tvout pixfmt;
int ret;
v4l2_fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
#if 0
ret = ioctl(fp, VIDIOC_G_FMT, &v4l2_fmt);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_G_FMT failed", __func__);
return -1;
}
#endif
memset(&pixfmt, 0, sizeof(pixfmt));
pixfmt.pix_fmt.width = width;
pixfmt.pix_fmt.height = height;
pixfmt.pix_fmt.pixelformat = fmt;
pixfmt.pix_fmt.sizeimage = (width * height * get_pixel_depth(fmt)) / 8;
pixfmt.pix_fmt.field = V4L2_FIELD_NONE;
// here we must set addresses of our memory for video out
pixfmt.base_y = (void *)yAddr;
pixfmt.base_c = (void* )cAddr;
v4l2_fmt.fmt.pix = pixfmt.pix_fmt;
memcpy(v4l2_fmt.fmt.raw_data, &pixfmt,
sizeof(struct v4l2_pix_format_s5p_tvout));
/* Set up for capture */
ret = ioctl(fp, VIDIOC_S_FMT, &v4l2_fmt);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_S_FMT failed\n", __func__);
return -1;
}
return 0;
}
static int tv20_v4l2_streamon(int fp)
{
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
int ret;
ret = ioctl(fp, VIDIOC_STREAMON, &type);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_STREAMON failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_streamoff(int fp)
{
enum v4l2_buf_type type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
int ret;
ALOGV("%s :", __func__);
ret = ioctl(fp, VIDIOC_STREAMOFF, &type);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_STREAMOFF failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_g_parm(int fp, struct v4l2_streamparm *streamparm)
{
int ret;
streamparm->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
ret = ioctl(fp, VIDIOC_G_PARM, streamparm);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_G_PARM failed\n", __func__);
return -1;
}
ALOGV("%s : timeperframe: numerator %d, denominator %d\n", __func__,
streamparm->parm.capture.timeperframe.numerator,
streamparm->parm.capture.timeperframe.denominator);
return 0;
}
static int tv20_v4l2_s_parm(int fp, struct v4l2_streamparm *streamparm)
{
int ret;
streamparm->type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
ret = ioctl(fp, VIDIOC_S_PARM, streamparm);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_S_PARM failed\n", __func__);
return ret;
}
return 0;
}
static int tv20_v4l2_s_crop(int fp, int offset_x, int offset_y, int width, int height)
{
struct v4l2_crop crop;
crop.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
crop.c.left = offset_x;
crop.c.top = offset_y;
crop.c.width = width;
crop.c.height = height;
int ret = ioctl(fp, VIDIOC_S_CROP, &crop);
if (ret < 0) {
ALOGE("ERR(%s):VIDIOC_S_PARM failed\n", __func__);
return ret;
}
return 0;
}
static int tv20_v4l2_start_overlay(int fp)
{
int ret, start = 1;
ret = ioctl(fp, VIDIOC_OVERLAY, &start);
if (ret < 0) {
ALOGE("ERR(%s): VIDIOC_OVERLAY start failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_stop_overlay(int fp)
{
int ret, stop = 0;
ret = ioctl(fp, VIDIOC_OVERLAY, &stop);
if (ret < 0) {
ALOGE("ERR(%s): VIDIOC_OVERLAY stop failed\n", __func__);
return ret;
}
return ret;
}
static int tv20_v4l2_s_baseaddr(int fp, void *base_addr)
{
int ret;
ret = ioctl(fp, S5PTVFB_WIN_SET_ADDR, base_addr);
if (ret < 0) {
ALOGE("ERR(%s): VIDIOC_S_BASEADDR failed %d", __func__, ret);
return ret;
}
return 0;
}
static int tv20_v4l2_s_position(int fp, int x, int y)
{
int ret;
struct s5ptvfb_user_window window;
memset(&window, 0, sizeof(struct s5ptvfb_user_window));
window.x = x;
window.y = y;
ret = ioctl(fp, S5PTVFB_WIN_POSITION, &window);
if (ret < 0) {
ALOGE("ERR(%s): VIDIOC_S_WIN_POSITION failed %d", __func__, ret);
return ret;
}
return 0;
}
// ======================================================================
// Audio ioctls
static int tv20_v4l2_audio_enable(int fp)
{
return ioctl(fp, VIDIOC_INIT_AUDIO, 1);
}
static int tv20_v4l2_audio_disable(int fp)
{
return ioctl(fp, VIDIOC_INIT_AUDIO, 0);
}
static int tv20_v4l2_audio_mute(int fp)
{
return ioctl(fp, VIDIOC_AV_MUTE, 1);
}
static int tv20_v4l2_audio_unmute(int fp)
{
return ioctl(fp, VIDIOC_AV_MUTE, 0);
}
static int tv20_v4l2_audio_get_mute_state(int fp)
{
return ioctl(fp, VIDIOC_G_AVMUTE, 0);
}
// ======================================================================
// Class which comunicate with kernel driver
SecHDMI::SecHDMI()
: mTvOutFd(-1),
mTvOutVFd(-1),
mLcdFd(-1),
mHdcpEnabled(0),
mFlagConnected(false)
{
ALOGV("%s", __func__);
memset(&mParams, 0, sizeof(struct v4l2_streamparm));
memset(&mFlagLayerEnable, 0, sizeof(bool) * S5P_TV_LAYER_MAX);
int ret = ioctl(mTvOutFd, VIDIOC_HDCP_ENABLE, &mHdcpEnabled);
ALOG_IF(ret);
}
SecHDMI::~SecHDMI()
{
destroy();
}
/* static */
int SecHDMI::getCableStatus()
{
int fd = 0;
char value[8] = {0};
ALOGV("%s", __func__);
fd = open("/sys/class/switch/h2w/state", O_RDWR);
if(fd < 0) {
goto close;
}
if(read(fd, &value, 8) <= 0) {
goto close;
}
close:
close(fd);
return strtol(value, NULL, 10);
}
const __u8* SecHDMI::getName(int index)
{
ALOGV("%s", __func__);
return tv20_v4l2_enum_output(mTvOutFd, index);
}
int SecHDMI::destroy()
{
ALOGV("%s", __func__);
if(mFlagConnected) {
disconnect();
}
if(mTvOutFd > 0) {
close(mTvOutFd);
mTvOutFd = -1;
}
if(mFimc.dev_fd > 0) {
fimc_close(&mFimc);
mFimc.dev_fd = -1;
}
if (mLcdFd > 0) {
fb_close(mLcdFd);
mLcdFd = -1;
}
return 0;
}
int SecHDMI::startLayer(s5p_tv_layer layer)
{
int ret;
if (mFlagLayerEnable[layer]) {
return 0;
}
switch (layer) {
case S5P_TV_LAYER_VIDEO:
if(mTvOutVFd < 0) {
mTvOutVFd = open(TVOUT_DEV_V, O_RDWR);
RETURN_IF(mTvOutVFd);
}
ret = tv20_v4l2_start_overlay(mTvOutVFd);
RETURN_IF(ret);
break;
case S5P_TV_LAYER_GRAPHIC_0 :
ret = ioctl(0/*fp_tvout_g0*/, FBIOBLANK, (void *)FB_BLANK_UNBLANK);
RETURN_IF(ret);
break;
case S5P_TV_LAYER_GRAPHIC_1 :
ret = ioctl(0/*fp_tvout_g1*/, FBIOBLANK, (void *)FB_BLANK_UNBLANK);
RETURN_IF(ret);
break;
default :
RETURN_IF(-1);
}
mFlagLayerEnable[layer] = true;
return 0;
}
int SecHDMI::stopLayer(s5p_tv_layer layer)
{
int ret;
if (!mFlagLayerEnable[layer]) {
return 0;
}
switch (layer) {
case S5P_TV_LAYER_VIDEO:
ret = tv20_v4l2_stop_overlay(mTvOutVFd);
RETURN_IF(ret);
close(mTvOutVFd);
mTvOutVFd = -1;
break;
case S5P_TV_LAYER_GRAPHIC_0 :
ret = ioctl(0/*fp_tvout_g0*/, FBIOBLANK, (void *)FB_BLANK_POWERDOWN);
RETURN_IF(ret);
break;
case S5P_TV_LAYER_GRAPHIC_1 :
ret = ioctl(0/*fp_tvout_g1*/, FBIOBLANK, (void *)FB_BLANK_POWERDOWN);
RETURN_IF(ret);
break;
default :
RETURN_IF(-1);
}
mFlagLayerEnable[layer] = false;
return 0;
}
int SecHDMI::create(int width, int height)
{
int ret, y_size;
unsigned int addr;
ALOGV("%s", __func__);
mTvOutFd = open(TVOUT_DEV, O_RDWR);
RETURN_IF(mTvOutFd);
memset(&mFimc, 0, sizeof(s5p_fimc_t));
mFimc.dev_fd = -1;
ret = fimc_open(&mFimc, "/dev/video2");
RETURN_IF(ret);
ALOGV("query capabilities");
ret = tv20_v4l2_querycap(mTvOutFd);
RETURN_IF(ret);
struct s5p_tv_standart_internal std =
s5p_tv_standards[(int) S5P_TV_STD_PAL_BDGHI];
ALOGV("searching for standart: %i", std.index);
if(!tv20_v4l2_enum_standarts(mTvOutFd, std.index))
return -1;
ret = tv20_v4l2_s_std(mTvOutFd, std.value);
RETURN_IF(ret);
ALOGV("searching for output: %i", S5P_TV_OUTPUT_TYPE_COMPOSITE);
if (!tv20_v4l2_enum_output(mTvOutFd, S5P_TV_OUTPUT_TYPE_COMPOSITE))
return -1;
ret = tv20_v4l2_s_output(mTvOutFd, S5P_TV_OUTPUT_TYPE_COMPOSITE);
RETURN_IF(ret);
struct v4l2_window_s5p_tvout* p =
(struct v4l2_window_s5p_tvout*)&mParams.parm.raw_data;
p->win.w.top = 0;
p->win.w.left = 0;
p->win.w.width = width;
p->win.w.height = height;
ALOGV("searching for format: %i", V4L2_PIX_FMT_NV12);
ret = tv20_v4l2_enum_fmt(mTvOutFd, V4L2_PIX_FMT_NV12);
RETURN_IF(ret);
addr = (unsigned int) mFimc.out_buf.phys_addr;
y_size = ALIGN_TO_8KB(ALIGN_TO_128B(width) * ALIGN_TO_32B(height));
ret = tv20_v4l2_s_fmt(mTvOutFd, width, height, V4L2_PIX_FMT_NV12,
(unsigned int) addr,
(unsigned int) addr + y_size);
RETURN_IF(ret);
return 0;
}
int SecHDMI::connect()
{
int ret;
ALOGV("%s", __func__);
RETURN_IF(mTvOutFd);
if(mFlagConnected) {
return 0;
}
#if 0
ret = getCableStatus() <= 0 ? -1 : 0;
RETURN_IF(ret);
#endif
ret = tv20_v4l2_s_parm(mTvOutFd, &mParams);
RETURN_IF(ret);
ret = tv20_v4l2_streamon(mTvOutFd);
RETURN_IF(ret);
#if 0
ret = startLayer(S5P_TV_LAYER_VIDEO);
RETURN_IF(ret);
#endif
mFlagConnected = true;
return 0;
}
int SecHDMI::disconnect()
{
int ret;
ALOGV("%s", __func__);
RETURN_IF(mTvOutFd);
if(!mFlagConnected) {
return 0;
}
ret = tv20_v4l2_streamoff(mTvOutFd);
RETURN_IF(ret);
#if 0
ret = stopLayer(S5P_TV_LAYER_VIDEO);
RETURN_IF(ret);
#endif
mFlagConnected = false;
return 0;
}
int SecHDMI::flush(int srcW, int srcH, int srcColorFormat,
unsigned int srcYAddr, unsigned int srcCbAddr, unsigned int srcCrAddr,
int dstX, int dstY,
int layer,
int num_of_hwc_layer)
{
int ret;
#if 0
usleep(1000 * 10);
#else
sec_img src_img;
sec_img dst_img;
sec_rect src_rect;
sec_rect dst_rect;
unsigned int phyAddr[3/*MAX_NUM_PLANES*/];
if(!srcYAddr) {
struct s3cfb_next_info fb_info;
if (mLcdFd < 0) {
mLcdFd = fb_open(0);
}
RETURN_IF(mLcdFd);
ret = ioctl(mLcdFd, S3CFB_GET_CURR_FB_INFO, &fb_info);
RETURN_IF(ret);
srcYAddr = fb_info.phy_start_addr;
srcCbAddr = srcYAddr;
}
memset(&src_img, 0, sizeof(src_img));
memset(&dst_img, 0, sizeof(src_img));
memset(&src_rect, 0, sizeof(src_rect));
memset(&dst_rect, 0, sizeof(src_rect));
memset(&phyAddr, 0, sizeof(int) * sizeof(phyAddr));
phyAddr[0] = srcYAddr;
phyAddr[1] = srcCbAddr;
phyAddr[2] = srcCrAddr;
src_img.w = srcW;
src_img.h = srcH;
src_img.format = HAL_PIXEL_FORMAT_YCbCr_420_SP/*srcColorFormat*/;
src_img.base = 0;
src_img.offset = 0;
src_img.mem_id = 0;
src_img.mem_type = FIMC_MEM_TYPE_PHYS;
src_img.w = (src_img.w + 15) & (~15);
src_img.h = (src_img.h + 1) & (~1) ;
src_rect.x = 0;
src_rect.y = 0;
src_rect.w = src_img.w;
src_rect.h = src_img.h;
struct v4l2_window_s5p_tvout* p =
(struct v4l2_window_s5p_tvout*)&mParams.parm.raw_data;
if (!p) {
return -1;
}
dst_img.w = p->win.w.width;
dst_img.h = p->win.w.height;
dst_img.format = HAL_PIXEL_FORMAT_YCbCr_420_SP;
dst_img.base = (unsigned int) mFimc.out_buf.phys_addr;
dst_img.offset = 0;
dst_img.mem_id = 0;
dst_img.mem_type = FIMC_MEM_TYPE_PHYS;
dst_rect.x = p->win.w.top;
dst_rect.y = p->win.w.left;
dst_rect.w = dst_img.w;
dst_rect.h = dst_img.h;
ALOGV("%s::sr_x %d sr_y %d sr_w %d sr_h %d dr_x %d dr_y %d dr_w %d dr_h %d ",
__func__, src_rect.x, src_rect.y, src_rect.w, src_rect.h,
dst_rect.x, dst_rect.y, dst_rect.w, dst_rect.h);
ret = fimc_flush(&mFimc, &src_img, &src_rect, &dst_img, &dst_rect,
phyAddr, 0);
RETURN_IF(ret);
/*
struct fb_var_screeninfo var;
var.xres = srcW;
var.yres = srcH;
var.xres_virtual = var.xres;
var.yres_virtual = var.yres;
var.xoffset = 0;
var.yoffset = 0;
var.width = srcW;
var.height = srcH;
var.activate = FB_ACTIVATE_FORCE;
if (srcColorFormat == HAL_PIXEL_FORMAT_RGB_565) {
var.bits_per_pixel = 16;
var.transp.length = 0;
}
else {
var.bits_per_pixel = 32;
var.transp.length = 8;
}
ret = tv20_v4l2_s_baseaddr(mTvOutFd, (void *)srcYAddr);
RETURN_IF(ret);
ret = fb_put_vscreeninfo(mLcdFd, &var);
RETURN_IF(ret);
ret = tv20_v4l2_s_position(mTvOutFd, dstX, dstY);
RETURN_IF(ret);
*/
#endif
return 0;
}
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