Commit 45e46b3b authored by Manjunath Hadli's avatar Manjunath Hadli Committed by Mauro Carvalho Chehab

[media] davinci: vpfe: dm365: resizer driver based on media framework

Add the video resizer driver with the v4l2 media controller framework
which takes care of resizing the video frames with both up-scaling
downscaling facility. The driver supports both continuous and
single shot operations.The driver supports resizer as a subdevice
and a media entity. It has support for 2 resizers - resizerA
and resizerB.
Signed-off-by: default avatarManjunath Hadli <manjunath.hadli@ti.com>
Signed-off-by: default avatarLad, Prabhakar <prabhakar.lad@ti.com>
Acked-by: default avatarLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: default avatarSakari Ailus <sakari.ailus@iki.fi>
Acked-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 26c0e999
/*
* Copyright (C) 2012 Texas Instruments Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contributors:
* Manjunath Hadli <manjunath.hadli@ti.com>
* Prabhakar Lad <prabhakar.lad@ti.com>
*
*
* Resizer allows upscaling or downscaling a image to a desired
* resolution. There are 2 resizer modules. both operating on the
* same input image, but can have different output resolution.
*/
#include "dm365_ipipe_hw.h"
#include "dm365_resizer.h"
#define MIN_IN_WIDTH 32
#define MIN_IN_HEIGHT 32
#define MAX_IN_WIDTH 4095
#define MAX_IN_HEIGHT 4095
#define MIN_OUT_WIDTH 16
#define MIN_OUT_HEIGHT 2
static const unsigned int resizer_input_formats[] = {
V4L2_MBUS_FMT_UYVY8_2X8,
V4L2_MBUS_FMT_Y8_1X8,
V4L2_MBUS_FMT_UV8_1X8,
V4L2_MBUS_FMT_SGRBG12_1X12,
};
static const unsigned int resizer_output_formats[] = {
V4L2_MBUS_FMT_UYVY8_2X8,
V4L2_MBUS_FMT_Y8_1X8,
V4L2_MBUS_FMT_UV8_1X8,
V4L2_MBUS_FMT_YDYUYDYV8_1X16,
V4L2_MBUS_FMT_SGRBG12_1X12,
};
/* resizer_calculate_line_length() - This function calculates the line length of
* various image planes at the input and
* output.
*/
static void
resizer_calculate_line_length(enum v4l2_mbus_pixelcode pix, int width,
int height, int *line_len, int *line_len_c)
{
*line_len = 0;
*line_len_c = 0;
if (pix == V4L2_MBUS_FMT_UYVY8_2X8 ||
pix == V4L2_MBUS_FMT_SGRBG12_1X12) {
*line_len = width << 1;
} else if (pix == V4L2_MBUS_FMT_Y8_1X8 ||
pix == V4L2_MBUS_FMT_UV8_1X8) {
*line_len = width;
*line_len_c = width;
} else {
/* YUV 420 */
/* round width to upper 32 byte boundary */
*line_len = width;
*line_len_c = width;
}
/* adjust the line len to be a multiple of 32 */
*line_len += 31;
*line_len &= ~0x1f;
*line_len_c += 31;
*line_len_c &= ~0x1f;
}
static inline int
resizer_validate_output_image_format(struct device *dev,
struct v4l2_mbus_framefmt *format,
int *in_line_len, int *in_line_len_c)
{
if (format->code != V4L2_MBUS_FMT_UYVY8_2X8 &&
format->code != V4L2_MBUS_FMT_Y8_1X8 &&
format->code != V4L2_MBUS_FMT_UV8_1X8 &&
format->code != V4L2_MBUS_FMT_YDYUYDYV8_1X16 &&
format->code != V4L2_MBUS_FMT_SGRBG12_1X12) {
dev_err(dev, "Invalid Mbus format, %d\n", format->code);
return -EINVAL;
}
if (!format->width || !format->height) {
dev_err(dev, "invalid width or height\n");
return -EINVAL;
}
resizer_calculate_line_length(format->code, format->width,
format->height, in_line_len, in_line_len_c);
return 0;
}
static void
resizer_configure_passthru(struct vpfe_resizer_device *resizer, int bypass)
{
struct resizer_params *param = &resizer->config;
param->rsz_rsc_param[RSZ_A].cen = DISABLE;
param->rsz_rsc_param[RSZ_A].yen = DISABLE;
param->rsz_rsc_param[RSZ_A].v_phs_y = 0;
param->rsz_rsc_param[RSZ_A].v_phs_c = 0;
param->rsz_rsc_param[RSZ_A].v_dif = 256;
param->rsz_rsc_param[RSZ_A].v_lpf_int_y = 0;
param->rsz_rsc_param[RSZ_A].v_lpf_int_c = 0;
param->rsz_rsc_param[RSZ_A].h_phs = 0;
param->rsz_rsc_param[RSZ_A].h_dif = 256;
param->rsz_rsc_param[RSZ_A].h_lpf_int_y = 0;
param->rsz_rsc_param[RSZ_A].h_lpf_int_c = 0;
param->rsz_rsc_param[RSZ_A].dscale_en = DISABLE;
param->rsz2rgb[RSZ_A].rgb_en = DISABLE;
param->rsz_en[RSZ_A] = ENABLE;
param->rsz_en[RSZ_B] = DISABLE;
if (bypass) {
param->rsz_rsc_param[RSZ_A].i_vps = 0;
param->rsz_rsc_param[RSZ_A].i_hps = 0;
/* Raw Bypass */
param->rsz_common.passthrough = BYPASS_ON;
}
}
static void
configure_resizer_out_params(struct vpfe_resizer_device *resizer, int index,
void *output_spec, unsigned char partial,
unsigned flag)
{
struct resizer_params *param = &resizer->config;
struct v4l2_mbus_framefmt *outformat;
struct vpfe_rsz_output_spec *output;
if (index == RSZ_A &&
resizer->resizer_a.output == RESIZER_OUTPUT_NONE) {
param->rsz_en[index] = DISABLE;
return;
}
if (index == RSZ_B &&
resizer->resizer_b.output == RESIZER_OUTPUT_NONE) {
param->rsz_en[index] = DISABLE;
return;
}
output = (struct vpfe_rsz_output_spec *)output_spec;
param->rsz_en[index] = ENABLE;
if (partial) {
param->rsz_rsc_param[index].h_flip = output->h_flip;
param->rsz_rsc_param[index].v_flip = output->v_flip;
param->rsz_rsc_param[index].v_typ_y = output->v_typ_y;
param->rsz_rsc_param[index].v_typ_c = output->v_typ_c;
param->rsz_rsc_param[index].v_lpf_int_y =
output->v_lpf_int_y;
param->rsz_rsc_param[index].v_lpf_int_c =
output->v_lpf_int_c;
param->rsz_rsc_param[index].h_typ_y = output->h_typ_y;
param->rsz_rsc_param[index].h_typ_c = output->h_typ_c;
param->rsz_rsc_param[index].h_lpf_int_y =
output->h_lpf_int_y;
param->rsz_rsc_param[index].h_lpf_int_c =
output->h_lpf_int_c;
param->rsz_rsc_param[index].dscale_en =
output->en_down_scale;
param->rsz_rsc_param[index].h_dscale_ave_sz =
output->h_dscale_ave_sz;
param->rsz_rsc_param[index].v_dscale_ave_sz =
output->v_dscale_ave_sz;
param->ext_mem_param[index].user_y_ofst =
(output->user_y_ofst + 31) & ~0x1f;
param->ext_mem_param[index].user_c_ofst =
(output->user_c_ofst + 31) & ~0x1f;
return;
}
if (index == RSZ_A)
outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
else
outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
param->rsz_rsc_param[index].o_vsz = outformat->height - 1;
param->rsz_rsc_param[index].o_hsz = outformat->width - 1;
param->ext_mem_param[index].rsz_sdr_ptr_s_y = output->vst_y;
param->ext_mem_param[index].rsz_sdr_ptr_e_y = outformat->height;
param->ext_mem_param[index].rsz_sdr_ptr_s_c = output->vst_c;
param->ext_mem_param[index].rsz_sdr_ptr_e_c = outformat->height;
if (!flag)
return;
/* update common parameters */
param->rsz_rsc_param[index].h_flip = output->h_flip;
param->rsz_rsc_param[index].v_flip = output->v_flip;
param->rsz_rsc_param[index].v_typ_y = output->v_typ_y;
param->rsz_rsc_param[index].v_typ_c = output->v_typ_c;
param->rsz_rsc_param[index].v_lpf_int_y = output->v_lpf_int_y;
param->rsz_rsc_param[index].v_lpf_int_c = output->v_lpf_int_c;
param->rsz_rsc_param[index].h_typ_y = output->h_typ_y;
param->rsz_rsc_param[index].h_typ_c = output->h_typ_c;
param->rsz_rsc_param[index].h_lpf_int_y = output->h_lpf_int_y;
param->rsz_rsc_param[index].h_lpf_int_c = output->h_lpf_int_c;
param->rsz_rsc_param[index].dscale_en = output->en_down_scale;
param->rsz_rsc_param[index].h_dscale_ave_sz = output->h_dscale_ave_sz;
param->rsz_rsc_param[index].v_dscale_ave_sz = output->h_dscale_ave_sz;
param->ext_mem_param[index].user_y_ofst =
(output->user_y_ofst + 31) & ~0x1f;
param->ext_mem_param[index].user_c_ofst =
(output->user_c_ofst + 31) & ~0x1f;
}
/*
* resizer_calculate_resize_ratios() - Calculates resize ratio for resizer
* A or B. This is called after setting
* the input size or output size.
* @resizer: Pointer to VPFE resizer subdevice.
* @index: index RSZ_A-resizer-A RSZ_B-resizer-B.
*/
void
resizer_calculate_resize_ratios(struct vpfe_resizer_device *resizer, int index)
{
struct resizer_params *param = &resizer->config;
struct v4l2_mbus_framefmt *informat, *outformat;
informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
if (index == RSZ_A)
outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
else
outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
if (outformat->field != V4L2_FIELD_INTERLACED)
param->rsz_rsc_param[index].v_dif =
((informat->height) * 256) / (outformat->height);
else
param->rsz_rsc_param[index].v_dif =
((informat->height >> 1) * 256) / (outformat->height);
param->rsz_rsc_param[index].h_dif =
((informat->width) * 256) / (outformat->width);
}
void
static resizer_enable_422_420_conversion(struct resizer_params *param,
int index, bool en)
{
param->rsz_rsc_param[index].cen = en;
param->rsz_rsc_param[index].yen = en;
}
/* resizer_calculate_sdram_offsets() - This function calculates the offsets from
* start of buffer for the C plane when
* output format is YUV420SP. It also
* calculates the offsets from the start of
* the buffer when the image is flipped
* vertically or horizontally for ycbcr/y/c
* planes.
* @resizer: Pointer to resizer subdevice.
* @index: index RSZ_A-resizer-A RSZ_B-resizer-B.
*/
static int
resizer_calculate_sdram_offsets(struct vpfe_resizer_device *resizer, int index)
{
struct resizer_params *param = &resizer->config;
struct v4l2_mbus_framefmt *outformat;
int bytesperpixel = 2;
int image_height;
int image_width;
int yuv_420 = 0;
int offset = 0;
if (index == RSZ_A)
outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
else
outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
image_height = outformat->height + 1;
image_width = outformat->width + 1;
param->ext_mem_param[index].c_offset = 0;
param->ext_mem_param[index].flip_ofst_y = 0;
param->ext_mem_param[index].flip_ofst_c = 0;
if (outformat->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16) {
/* YUV 420 */
yuv_420 = 1;
bytesperpixel = 1;
}
if (param->rsz_rsc_param[index].h_flip)
/* width * bytesperpixel - 1 */
offset = (image_width * bytesperpixel) - 1;
if (param->rsz_rsc_param[index].v_flip)
offset += (image_height - 1) *
param->ext_mem_param[index].rsz_sdr_oft_y;
param->ext_mem_param[index].flip_ofst_y = offset;
if (!yuv_420)
return 0;
offset = 0;
/* half height for c-plane */
if (param->rsz_rsc_param[index].h_flip)
/* width * bytesperpixel - 1 */
offset = image_width - 1;
if (param->rsz_rsc_param[index].v_flip)
offset += (((image_height >> 1) - 1) *
param->ext_mem_param[index].rsz_sdr_oft_c);
param->ext_mem_param[index].flip_ofst_c = offset;
param->ext_mem_param[index].c_offset =
param->ext_mem_param[index].rsz_sdr_oft_y * image_height;
return 0;
}
int resizer_configure_output_win(struct vpfe_resizer_device *resizer)
{
struct resizer_params *param = &resizer->config;
struct vpfe_rsz_output_spec output_specs;
struct v4l2_mbus_framefmt *outformat;
int line_len_c;
int line_len;
int ret;
outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
output_specs.vst_y = param->user_config.vst;
if (outformat->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16)
output_specs.vst_c = param->user_config.vst;
configure_resizer_out_params(resizer, RSZ_A, &output_specs, 0, 0);
resizer_calculate_line_length(outformat->code,
param->rsz_rsc_param[0].o_hsz + 1,
param->rsz_rsc_param[0].o_vsz + 1,
&line_len, &line_len_c);
param->ext_mem_param[0].rsz_sdr_oft_y = line_len;
param->ext_mem_param[0].rsz_sdr_oft_c = line_len_c;
resizer_calculate_resize_ratios(resizer, RSZ_A);
if (param->rsz_en[RSZ_B])
resizer_calculate_resize_ratios(resizer, RSZ_B);
if (outformat->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16)
resizer_enable_422_420_conversion(param, RSZ_A, ENABLE);
else
resizer_enable_422_420_conversion(param, RSZ_A, DISABLE);
ret = resizer_calculate_sdram_offsets(resizer, RSZ_A);
if (!ret && param->rsz_en[RSZ_B])
ret = resizer_calculate_sdram_offsets(resizer, RSZ_B);
if (ret)
pr_err("Error in calculating sdram offsets\n");
return ret;
}
static int
resizer_calculate_down_scale_f_div_param(struct device *dev,
int input_width, int output_width,
struct resizer_scale_param *param)
{
/* rsz = R, input_width = H, output width = h in the equation */
unsigned int two_power;
unsigned int upper_h1;
unsigned int upper_h2;
unsigned int val1;
unsigned int val;
unsigned int rsz;
unsigned int h1;
unsigned int h2;
unsigned int o;
unsigned int n;
upper_h1 = input_width >> 1;
n = param->h_dscale_ave_sz;
/* 2 ^ (scale+1) */
two_power = 1 << (n + 1);
upper_h1 = (upper_h1 >> (n + 1)) << (n + 1);
upper_h2 = input_width - upper_h1;
if (upper_h2 % two_power) {
dev_err(dev, "frame halves to be a multiple of 2 power n+1\n");
return -EINVAL;
}
two_power = 1 << n;
rsz = (input_width << 8) / output_width;
val = rsz * two_power;
val = ((upper_h1 << 8) / val) + 1;
if (!(val % 2)) {
h1 = val;
} else {
val = upper_h1 << 8;
val >>= n + 1;
val -= rsz >> 1;
val /= rsz << 1;
val <<= 1;
val += 2;
h1 = val;
}
o = 10 + (two_power << 2);
if (((input_width << 7) / rsz) % 2)
o += (((CEIL(rsz, 1024)) << 1) << n);
h2 = output_width - h1;
/* phi */
val = (h1 * rsz) - (((upper_h1 - (o - 10)) / two_power) << 8);
/* skip */
val1 = ((val - 1024) >> 9) << 1;
param->f_div.num_passes = MAX_PASSES;
param->f_div.pass[0].o_hsz = h1 - 1;
param->f_div.pass[0].i_hps = 0;
param->f_div.pass[0].h_phs = 0;
param->f_div.pass[0].src_hps = 0;
param->f_div.pass[0].src_hsz = upper_h1 + o;
param->f_div.pass[1].o_hsz = h2 - 1;
param->f_div.pass[1].i_hps = 10 + (val1 * two_power);
param->f_div.pass[1].h_phs = (val - (val1 << 8));
param->f_div.pass[1].src_hps = upper_h1 - o;
param->f_div.pass[1].src_hsz = upper_h2 + o;
return 0;
}
static int
resizer_configure_common_in_params(struct vpfe_resizer_device *resizer)
{
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
struct resizer_params *param = &resizer->config;
struct vpfe_rsz_config_params *user_config;
struct v4l2_mbus_framefmt *informat;
informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
user_config = &resizer->config.user_config;
param->rsz_common.vps = param->user_config.vst;
param->rsz_common.hps = param->user_config.hst;
if (vpfe_ipipeif_decimation_enabled(vpfe_dev))
param->rsz_common.hsz = (((informat->width - 1) *
IPIPEIF_RSZ_CONST) / vpfe_ipipeif_get_rsz(vpfe_dev));
else
param->rsz_common.hsz = informat->width - 1;
if (informat->field == V4L2_FIELD_INTERLACED)
param->rsz_common.vsz = (informat->height - 1) >> 1;
else
param->rsz_common.vsz = informat->height - 1;
param->rsz_common.raw_flip = 0;
if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF)
param->rsz_common.source = IPIPEIF_DATA;
else
param->rsz_common.source = IPIPE_DATA;
switch (informat->code) {
case V4L2_MBUS_FMT_UYVY8_2X8:
param->rsz_common.src_img_fmt = RSZ_IMG_422;
param->rsz_common.raw_flip = 0;
break;
case V4L2_MBUS_FMT_Y8_1X8:
param->rsz_common.src_img_fmt = RSZ_IMG_420;
/* Select y */
param->rsz_common.y_c = 0;
param->rsz_common.raw_flip = 0;
break;
case V4L2_MBUS_FMT_UV8_1X8:
param->rsz_common.src_img_fmt = RSZ_IMG_420;
/* Select y */
param->rsz_common.y_c = 1;
param->rsz_common.raw_flip = 0;
break;
case V4L2_MBUS_FMT_SGRBG12_1X12:
param->rsz_common.raw_flip = 1;
break;
default:
param->rsz_common.src_img_fmt = RSZ_IMG_422;
param->rsz_common.source = IPIPE_DATA;
}
param->rsz_common.yuv_y_min = user_config->yuv_y_min;
param->rsz_common.yuv_y_max = user_config->yuv_y_max;
param->rsz_common.yuv_c_min = user_config->yuv_c_min;
param->rsz_common.yuv_c_max = user_config->yuv_c_max;
param->rsz_common.out_chr_pos = user_config->out_chr_pos;
param->rsz_common.rsz_seq_crv = user_config->chroma_sample_even;
return 0;
}
static int
resizer_configure_in_continious_mode(struct vpfe_resizer_device *resizer)
{
struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
struct resizer_params *param = &resizer->config;
struct vpfe_rsz_config_params *cont_config;
int line_len_c;
int line_len;
int ret;
if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY) {
dev_err(dev, "enable resizer - Resizer-A\n");
return -EINVAL;
}
cont_config = &resizer->config.user_config;
param->rsz_en[RSZ_A] = ENABLE;
configure_resizer_out_params(resizer, RSZ_A,
&cont_config->output1, 1, 0);
param->rsz_en[RSZ_B] = DISABLE;
param->oper_mode = RESIZER_MODE_CONTINIOUS;
if (resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) {
struct v4l2_mbus_framefmt *outformat2;
param->rsz_en[RSZ_B] = ENABLE;
outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
ret = resizer_validate_output_image_format(dev, outformat2,
&line_len, &line_len_c);
if (ret)
return ret;
param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len;
param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c;
configure_resizer_out_params(resizer, RSZ_B,
&cont_config->output2, 0, 1);
if (outformat2->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16)
resizer_enable_422_420_conversion(param,
RSZ_B, ENABLE);
else
resizer_enable_422_420_conversion(param,
RSZ_B, DISABLE);
}
resizer_configure_common_in_params(resizer);
ret = resizer_configure_output_win(resizer);
if (ret)
return ret;
param->rsz_common.passthrough = cont_config->bypass;
if (cont_config->bypass)
resizer_configure_passthru(resizer, 1);
return 0;
}
static inline int
resizer_validate_input_image_format(struct device *dev,
enum v4l2_mbus_pixelcode pix,
int width, int height, int *line_len)
{
int val;
if (pix != V4L2_MBUS_FMT_UYVY8_2X8 &&
pix != V4L2_MBUS_FMT_Y8_1X8 &&
pix != V4L2_MBUS_FMT_UV8_1X8 &&
pix != V4L2_MBUS_FMT_SGRBG12_1X12) {
dev_err(dev,
"resizer validate output: pix format not supported, %d\n", pix);
return -EINVAL;
}
if (!width || !height) {
dev_err(dev,
"resizer validate input: invalid width or height\n");
return -EINVAL;
}
if (pix == V4L2_MBUS_FMT_UV8_1X8)
resizer_calculate_line_length(pix, width,
height, &val, line_len);
else
resizer_calculate_line_length(pix, width,
height, line_len, &val);
return 0;
}
static int
resizer_validate_decimation(struct device *dev, enum ipipeif_decimation dec_en,
unsigned char rsz, unsigned char frame_div_mode_en,
int width)
{
if (dec_en && frame_div_mode_en) {
dev_err(dev,
"dec_en & frame_div_mode_en can not enabled simultaneously\n");
return -EINVAL;
}
if (frame_div_mode_en) {
dev_err(dev, "frame_div_mode mode not supported\n");
return -EINVAL;
}
if (!dec_en)
return 0;
if (width <= VPFE_IPIPE_MAX_INPUT_WIDTH) {
dev_err(dev,
"image width to be more than %d for decimation\n",
VPFE_IPIPE_MAX_INPUT_WIDTH);
return -EINVAL;
}
if (rsz < IPIPEIF_RSZ_MIN || rsz > IPIPEIF_RSZ_MAX) {
dev_err(dev, "rsz range is %d to %d\n",
IPIPEIF_RSZ_MIN, IPIPEIF_RSZ_MAX);
return -EINVAL;
}
return 0;
}
/* resizer_calculate_normal_f_div_param() - Algorithm to calculate the frame
* division parameters for resizer.
* in normal mode.
*/
static int
resizer_calculate_normal_f_div_param(struct device *dev, int input_width,
int output_width, struct resizer_scale_param *param)
{
/* rsz = R, input_width = H, output width = h in the equation */
unsigned int val1;
unsigned int rsz;
unsigned int val;
unsigned int h1;
unsigned int h2;
unsigned int o;
if (output_width > input_width) {
dev_err(dev, "frame div mode is used for scale down only\n");
return -EINVAL;
}
rsz = (input_width << 8) / output_width;
val = rsz << 1;
val = ((input_width << 8) / val) + 1;
o = 14;
if (!(val % 2)) {
h1 = val;
} else {
val = (input_width << 7);
val -= rsz >> 1;
val /= rsz << 1;
val <<= 1;
val += 2;
o += ((CEIL(rsz, 1024)) << 1);
h1 = val;
}
h2 = output_width - h1;
/* phi */
val = (h1 * rsz) - (((input_width >> 1) - o) << 8);
/* skip */
val1 = ((val - 1024) >> 9) << 1;
param->f_div.num_passes = MAX_PASSES;
param->f_div.pass[0].o_hsz = h1 - 1;
param->f_div.pass[0].i_hps = 0;
param->f_div.pass[0].h_phs = 0;
param->f_div.pass[0].src_hps = 0;
param->f_div.pass[0].src_hsz = (input_width >> 2) + o;
param->f_div.pass[1].o_hsz = h2 - 1;
param->f_div.pass[1].i_hps = val1;
param->f_div.pass[1].h_phs = (val - (val1 << 8));
param->f_div.pass[1].src_hps = (input_width >> 2) - o;
param->f_div.pass[1].src_hsz = (input_width >> 2) + o;
return 0;
}
static int
resizer_configure_in_single_shot_mode(struct vpfe_resizer_device *resizer)
{
struct vpfe_rsz_config_params *config = &resizer->config.user_config;
struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
struct v4l2_mbus_framefmt *outformat1, *outformat2;
struct resizer_params *param = &resizer->config;
struct v4l2_mbus_framefmt *informat;
int decimation;
int line_len_c;
int line_len;
int rsz;
int ret;
informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
outformat1 = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
decimation = vpfe_ipipeif_decimation_enabled(vpfe_dev);
rsz = vpfe_ipipeif_get_rsz(vpfe_dev);
if (decimation && param->user_config.frame_div_mode_en) {
dev_err(dev,
"dec_en & frame_div_mode_en cannot enabled simultaneously\n");
return -EINVAL;
}
ret = resizer_validate_decimation(dev, decimation, rsz,
param->user_config.frame_div_mode_en, informat->width);
if (ret)
return -EINVAL;
ret = resizer_validate_input_image_format(dev, informat->code,
informat->width, informat->height, &line_len);
if (ret)
return -EINVAL;
if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
param->rsz_en[RSZ_A] = ENABLE;
ret = resizer_validate_output_image_format(dev, outformat1,
&line_len, &line_len_c);
if (ret)
return ret;
param->ext_mem_param[RSZ_A].rsz_sdr_oft_y = line_len;
param->ext_mem_param[RSZ_A].rsz_sdr_oft_c = line_len_c;
configure_resizer_out_params(resizer, RSZ_A,
&param->user_config.output1, 0, 1);
if (outformat1->code == V4L2_MBUS_FMT_SGRBG12_1X12)
param->rsz_common.raw_flip = 1;
else
param->rsz_common.raw_flip = 0;
if (outformat1->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16)
resizer_enable_422_420_conversion(param,
RSZ_A, ENABLE);
else
resizer_enable_422_420_conversion(param,
RSZ_A, DISABLE);
}
if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
param->rsz_en[RSZ_B] = ENABLE;
ret = resizer_validate_output_image_format(dev, outformat2,
&line_len, &line_len_c);
if (ret)
return ret;
param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len;
param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c;
configure_resizer_out_params(resizer, RSZ_B,
&param->user_config.output2, 0, 1);
if (outformat2->code == V4L2_MBUS_FMT_YDYUYDYV8_1X16)
resizer_enable_422_420_conversion(param,
RSZ_B, ENABLE);
else
resizer_enable_422_420_conversion(param,
RSZ_B, DISABLE);
}
resizer_configure_common_in_params(resizer);
if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
resizer_calculate_resize_ratios(resizer, RSZ_A);
resizer_calculate_sdram_offsets(resizer, RSZ_A);
/* Overriding resize ratio calculation */
if (informat->code == V4L2_MBUS_FMT_UV8_1X8) {
param->rsz_rsc_param[RSZ_A].v_dif =
(((informat->height + 1) * 2) * 256) /
(param->rsz_rsc_param[RSZ_A].o_vsz + 1);
}
}
if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
resizer_calculate_resize_ratios(resizer, RSZ_B);
resizer_calculate_sdram_offsets(resizer, RSZ_B);
/* Overriding resize ratio calculation */
if (informat->code == V4L2_MBUS_FMT_UV8_1X8) {
param->rsz_rsc_param[RSZ_B].v_dif =
(((informat->height + 1) * 2) * 256) /
(param->rsz_rsc_param[RSZ_B].o_vsz + 1);
}
}
if (param->user_config.frame_div_mode_en &&
param->rsz_en[RSZ_A]) {
if (!param->rsz_rsc_param[RSZ_A].dscale_en)
ret = resizer_calculate_normal_f_div_param(dev,
informat->width,
param->rsz_rsc_param[RSZ_A].o_vsz + 1,
&param->rsz_rsc_param[RSZ_A]);
else
ret = resizer_calculate_down_scale_f_div_param(dev,
informat->width,
param->rsz_rsc_param[RSZ_A].o_vsz + 1,
&param->rsz_rsc_param[RSZ_A]);
if (ret)
return -EINVAL;
}
if (param->user_config.frame_div_mode_en &&
param->rsz_en[RSZ_B]) {
if (!param->rsz_rsc_param[RSZ_B].dscale_en)
ret = resizer_calculate_normal_f_div_param(dev,
informat->width,
param->rsz_rsc_param[RSZ_B].o_vsz + 1,
&param->rsz_rsc_param[RSZ_B]);
else
ret = resizer_calculate_down_scale_f_div_param(dev,
informat->width,
param->rsz_rsc_param[RSZ_B].o_vsz + 1,
&param->rsz_rsc_param[RSZ_B]);
if (ret)
return -EINVAL;
}
param->rsz_common.passthrough = config->bypass;
if (config->bypass)
resizer_configure_passthru(resizer, 1);
return 0;
}
static void
resizer_set_defualt_configuration(struct vpfe_resizer_device *resizer)
{
#define WIDTH_I 640
#define HEIGHT_I 480
#define WIDTH_O 640
#define HEIGHT_O 480
const struct resizer_params rsz_default_config = {
.oper_mode = RESIZER_MODE_ONE_SHOT,
.rsz_common = {
.vsz = HEIGHT_I - 1,
.hsz = WIDTH_I - 1,
.src_img_fmt = RSZ_IMG_422,
.raw_flip = 1, /* flip preserve Raw format */
.source = IPIPE_DATA,
.passthrough = BYPASS_OFF,
.yuv_y_max = 255,
.yuv_c_max = 255,
.rsz_seq_crv = DISABLE,
.out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE,
},
.rsz_rsc_param = {
{
.h_flip = DISABLE,
.v_flip = DISABLE,
.cen = DISABLE,
.yen = DISABLE,
.o_vsz = HEIGHT_O - 1,
.o_hsz = WIDTH_O - 1,
.v_dif = 256,
.v_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dif = 256,
.h_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
.v_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
},
{
.h_flip = DISABLE,
.v_flip = DISABLE,
.cen = DISABLE,
.yen = DISABLE,
.o_vsz = HEIGHT_O - 1,
.o_hsz = WIDTH_O - 1,
.v_dif = 256,
.v_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dif = 256,
.h_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
.v_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
},
},
.rsz2rgb = {
{
.rgb_en = DISABLE
},
{
.rgb_en = DISABLE
}
},
.ext_mem_param = {
{
.rsz_sdr_oft_y = WIDTH_O << 1,
.rsz_sdr_ptr_e_y = HEIGHT_O,
.rsz_sdr_oft_c = WIDTH_O,
.rsz_sdr_ptr_e_c = HEIGHT_O >> 1,
},
{
.rsz_sdr_oft_y = WIDTH_O << 1,
.rsz_sdr_ptr_e_y = HEIGHT_O,
.rsz_sdr_oft_c = WIDTH_O,
.rsz_sdr_ptr_e_c = HEIGHT_O,
},
},
.rsz_en[0] = ENABLE,
.rsz_en[1] = DISABLE,
.user_config = {
.output1 = {
.v_typ_y = VPFE_RSZ_INTP_CUBIC,
.v_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
.v_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
},
.output2 = {
.v_typ_y = VPFE_RSZ_INTP_CUBIC,
.v_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_typ_y = VPFE_RSZ_INTP_CUBIC,
.h_typ_c = VPFE_RSZ_INTP_CUBIC,
.h_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
.v_dscale_ave_sz =
VPFE_IPIPE_DWN_SCALE_1_OVER_2,
},
.yuv_y_max = 255,
.yuv_c_max = 255,
.out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE,
},
};
memset(&resizer->config, 0, sizeof(struct resizer_params));
memcpy(&resizer->config, &rsz_default_config,
sizeof(struct resizer_params));
}
/*
* resizer_set_configuration() - set resizer config
* @resizer: vpfe resizer device pointer.
* @chan_config: resizer channel configuration.
*/
static int
resizer_set_configuration(struct vpfe_resizer_device *resizer,
struct vpfe_rsz_config *chan_config)
{
if (!chan_config->config)
resizer_set_defualt_configuration(resizer);
else
if (copy_from_user(&resizer->config.user_config,
chan_config->config, sizeof(struct vpfe_rsz_config_params)))
return -EFAULT;
return 0;
}
/*
* resizer_get_configuration() - get resizer config
* @resizer: vpfe resizer device pointer.
* @channel: image processor logical channel.
* @chan_config: resizer channel configuration.
*/
static int
resizer_get_configuration(struct vpfe_resizer_device *resizer,
struct vpfe_rsz_config *chan_config)
{
struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
if (!chan_config->config) {
dev_err(dev, "Resizer channel invalid pointer\n");
return -EINVAL;
}
if (copy_to_user((void *)chan_config->config,
(void *)&resizer->config.user_config,
sizeof(struct vpfe_rsz_config_params))) {
dev_err(dev, "resizer_get_configuration: Error in copy to user\n");
return -EFAULT;
}
return 0;
}
/*
* VPFE video operations
*/
/*
* resizer_a_video_out_queue() - RESIZER-A video out queue
* @vpfe_dev: vpfe device pointer.
* @addr: buffer address.
*/
static int resizer_a_video_out_queue(struct vpfe_device *vpfe_dev,
unsigned long addr)
{
struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer;
return resizer_set_outaddr(resizer->base_addr,
&resizer->config, RSZ_A, addr);
}
/*
* resizer_b_video_out_queue() - RESIZER-B video out queue
* @vpfe_dev: vpfe device pointer.
* @addr: buffer address.
*/
static int resizer_b_video_out_queue(struct vpfe_device *vpfe_dev,
unsigned long addr)
{
struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer;
return resizer_set_outaddr(resizer->base_addr,
&resizer->config, RSZ_B, addr);
}
static const struct vpfe_video_operations resizer_a_video_ops = {
.queue = resizer_a_video_out_queue,
};
static const struct vpfe_video_operations resizer_b_video_ops = {
.queue = resizer_b_video_out_queue,
};
static void resizer_enable(struct vpfe_resizer_device *resizer, int en)
{
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
unsigned char val;
if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE)
return;
if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF &&
ipipeif_sink == IPIPEIF_INPUT_MEMORY) {
do {
val = regr_rsz(resizer->base_addr, RSZ_SRC_EN);
} while (val);
if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
do {
val = regr_rsz(resizer->base_addr, RSZ_A);
} while (val);
}
if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
do {
val = regr_rsz(resizer->base_addr, RSZ_B);
} while (val);
}
}
if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE)
rsz_enable(resizer->base_addr, RSZ_A, en);
if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE)
rsz_enable(resizer->base_addr, RSZ_B, en);
}
/*
* resizer_ss_isr() - resizer module single-shot buffer scheduling isr
* @resizer: vpfe resizer device pointer.
*/
static void resizer_ss_isr(struct vpfe_resizer_device *resizer)
{
struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
struct vpfe_pipeline *pipe = &video_out->pipe;
u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
u32 val;
if (ipipeif_sink != IPIPEIF_INPUT_MEMORY)
return;
if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
val = vpss_dma_complete_interrupt();
if (val != 0 && val != 2)
return;
}
if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
spin_lock(&video_out->dma_queue_lock);
vpfe_video_process_buffer_complete(video_out);
video_out->state = VPFE_VIDEO_BUFFER_NOT_QUEUED;
vpfe_video_schedule_next_buffer(video_out);
spin_unlock(&video_out->dma_queue_lock);
}
/* If resizer B is enabled */
if (pipe->output_num > 1 && resizer->resizer_b.output ==
RESIZER_OUPUT_MEMORY) {
spin_lock(&video_out->dma_queue_lock);
vpfe_video_process_buffer_complete(video_out2);
video_out2->state = VPFE_VIDEO_BUFFER_NOT_QUEUED;
vpfe_video_schedule_next_buffer(video_out2);
spin_unlock(&video_out2->dma_queue_lock);
}
/* start HW if buffers are queued */
if (vpfe_video_is_pipe_ready(pipe) &&
resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
resizer_enable(resizer, 1);
vpfe_ipipe_enable(vpfe_dev, 1);
vpfe_ipipeif_enable(vpfe_dev);
}
}
/*
* vpfe_resizer_buffer_isr() - resizer module buffer scheduling isr
* @resizer: vpfe resizer device pointer.
*/
void vpfe_resizer_buffer_isr(struct vpfe_resizer_device *resizer)
{
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
struct vpfe_pipeline *pipe = &resizer->resizer_a.video_out.pipe;
enum v4l2_field field;
int fid;
if (!video_out->started)
return;
if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE)
return;
field = video_out->fmt.fmt.pix.field;
if (field == V4L2_FIELD_NONE) {
/* handle progressive frame capture */
if (video_out->cur_frm != video_out->next_frm) {
vpfe_video_process_buffer_complete(video_out);
if (pipe->output_num > 1)
vpfe_video_process_buffer_complete(video_out2);
}
video_out->skip_frame_count--;
if (!video_out->skip_frame_count) {
video_out->skip_frame_count =
video_out->skip_frame_count_init;
rsz_src_enable(resizer->base_addr, 1);
} else {
rsz_src_enable(resizer->base_addr, 0);
}
return;
}
/* handle interlaced frame capture */
fid = vpfe_isif_get_fid(vpfe_dev);
/* switch the software maintained field id */
video_out->field_id ^= 1;
if (fid == video_out->field_id) {
/*
* we are in-sync here,continue.
* One frame is just being captured. If the
* next frame is available, release the current
* frame and move on
*/
if (fid == 0 && video_out->cur_frm != video_out->next_frm) {
vpfe_video_process_buffer_complete(video_out);
if (pipe->output_num > 1)
vpfe_video_process_buffer_complete(video_out2);
}
} else if (fid == 0) {
/*
* out of sync. Recover from any hardware out-of-sync.
* May loose one frame
*/
video_out->field_id = fid;
}
}
/*
* vpfe_resizer_dma_isr() - resizer module dma isr
* @resizer: vpfe resizer device pointer.
*/
void vpfe_resizer_dma_isr(struct vpfe_resizer_device *resizer)
{
struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
struct vpfe_pipeline *pipe = &video_out->pipe;
int schedule_capture = 0;
enum v4l2_field field;
int fid;
if (!video_out->started)
return;
if (pipe->state == VPFE_PIPELINE_STREAM_SINGLESHOT) {
resizer_ss_isr(resizer);
return;
}
field = video_out->fmt.fmt.pix.field;
if (field == V4L2_FIELD_NONE) {
if (!list_empty(&video_out->dma_queue) &&
video_out->cur_frm == video_out->next_frm)
schedule_capture = 1;
} else {
fid = vpfe_isif_get_fid(vpfe_dev);
if (fid == video_out->field_id) {
/* we are in-sync here,continue */
if (fid == 1 && !list_empty(&video_out->dma_queue) &&
video_out->cur_frm == video_out->next_frm)
schedule_capture = 1;
}
}
if (!schedule_capture)
return;
spin_lock(&video_out->dma_queue_lock);
vpfe_video_schedule_next_buffer(video_out);
spin_unlock(&video_out->dma_queue_lock);
if (pipe->output_num > 1) {
spin_lock(&video_out2->dma_queue_lock);
vpfe_video_schedule_next_buffer(video_out2);
spin_unlock(&video_out2->dma_queue_lock);
}
}
/*
* V4L2 subdev operations
*/
/*
* resizer_ioctl() - Handle resizer module private ioctl's
* @sd: pointer to v4l2 subdev structure
* @cmd: configuration command
* @arg: configuration argument
*/
static long resizer_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
struct vpfe_rsz_config *user_config;
int ret = -ENOIOCTLCMD;
if (&resizer->crop_resizer.subdev != sd)
return ret;
switch (cmd) {
case VIDIOC_VPFE_RSZ_S_CONFIG:
user_config = (struct vpfe_rsz_config *)arg;
ret = resizer_set_configuration(resizer, user_config);
break;
case VIDIOC_VPFE_RSZ_G_CONFIG:
user_config = (struct vpfe_rsz_config *)arg;
if (!user_config->config) {
dev_err(dev, "error in VIDIOC_VPFE_RSZ_G_CONFIG\n");
return -EINVAL;
}
ret = resizer_get_configuration(resizer, user_config);
break;
}
return ret;
}
static int resizer_do_hw_setup(struct vpfe_resizer_device *resizer)
{
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output;
struct resizer_params *param = &resizer->config;
int ret = 0;
if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY ||
resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) {
if (ipipeif_sink == IPIPEIF_INPUT_MEMORY &&
ipipeif_source == IPIPEIF_OUTPUT_RESIZER)
ret = resizer_configure_in_single_shot_mode(resizer);
else
ret = resizer_configure_in_continious_mode(resizer);
if (ret)
return ret;
ret = config_rsz_hw(resizer, param);
}
return ret;
}
/*
* resizer_set_stream() - Enable/Disable streaming on resizer subdev
* @sd: pointer to v4l2 subdev structure
* @enable: 1 == Enable, 0 == Disable
*/
static int resizer_set_stream(struct v4l2_subdev *sd, int enable)
{
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
if (&resizer->crop_resizer.subdev != sd)
return 0;
if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY)
return 0;
switch (enable) {
case 1:
if (resizer_do_hw_setup(resizer) < 0)
return -EINVAL;
resizer_enable(resizer, enable);
break;
case 0:
resizer_enable(resizer, enable);
break;
}
return 0;
}
/*
* __resizer_get_format() - helper function for getting resizer format
* @sd: pointer to subdev.
* @fh: V4L2 subdev file handle.
* @pad: pad number.
* @which: wanted subdev format.
* Retun wanted mbus frame format.
*/
static struct v4l2_mbus_framefmt *
__resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
unsigned int pad, enum v4l2_subdev_format_whence which)
{
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
if (which == V4L2_SUBDEV_FORMAT_TRY)
return v4l2_subdev_get_try_format(fh, pad);
if (&resizer->crop_resizer.subdev == sd)
return &resizer->crop_resizer.formats[pad];
if (&resizer->resizer_a.subdev == sd)
return &resizer->resizer_a.formats[pad];
if (&resizer->resizer_b.subdev == sd)
return &resizer->resizer_b.formats[pad];
return NULL;
}
/*
* resizer_try_format() - Handle try format by pad subdev method
* @sd: pointer to subdev.
* @fh: V4L2 subdev file handle.
* @pad: pad num.
* @fmt: pointer to v4l2 format structure.
* @which: wanted subdev format.
*/
static void
resizer_try_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
unsigned int pad, struct v4l2_mbus_framefmt *fmt,
enum v4l2_subdev_format_whence which)
{
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
unsigned int max_out_height;
unsigned int max_out_width;
unsigned int i;
if ((&resizer->resizer_a.subdev == sd && pad == RESIZER_PAD_SINK) ||
(&resizer->resizer_b.subdev == sd && pad == RESIZER_PAD_SINK) ||
(&resizer->crop_resizer.subdev == sd &&
(pad == RESIZER_CROP_PAD_SOURCE ||
pad == RESIZER_CROP_PAD_SOURCE2 || pad == RESIZER_CROP_PAD_SINK))) {
for (i = 0; i < ARRAY_SIZE(resizer_input_formats); i++) {
if (fmt->code == resizer_input_formats[i])
break;
}
/* If not found, use UYVY as default */
if (i >= ARRAY_SIZE(resizer_input_formats))
fmt->code = V4L2_MBUS_FMT_UYVY8_2X8;
fmt->width = clamp_t(u32, fmt->width, MIN_IN_WIDTH,
MAX_IN_WIDTH);
fmt->height = clamp_t(u32, fmt->height, MIN_IN_HEIGHT,
MAX_IN_HEIGHT);
} else if (&resizer->resizer_a.subdev == sd &&
pad == RESIZER_PAD_SOURCE) {
max_out_width = IPIPE_MAX_OUTPUT_WIDTH_A;
max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_A;
for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) {
if (fmt->code == resizer_output_formats[i])
break;
}
/* If not found, use UYVY as default */
if (i >= ARRAY_SIZE(resizer_output_formats))
fmt->code = V4L2_MBUS_FMT_UYVY8_2X8;
fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH,
max_out_width);
fmt->width &= ~15;
fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT,
max_out_height);
} else if (&resizer->resizer_b.subdev == sd &&
pad == RESIZER_PAD_SOURCE) {
max_out_width = IPIPE_MAX_OUTPUT_WIDTH_B;
max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_B;
for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) {
if (fmt->code == resizer_output_formats[i])
break;
}
/* If not found, use UYVY as default */
if (i >= ARRAY_SIZE(resizer_output_formats))
fmt->code = V4L2_MBUS_FMT_UYVY8_2X8;
fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH,
max_out_width);
fmt->width &= ~15;
fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT,
max_out_height);
}
}
/*
* resizer_set_format() - Handle set format by pads subdev method
* @sd: pointer to v4l2 subdev structure
* @fh: V4L2 subdev file handle
* @fmt: pointer to v4l2 subdev format structure
* return -EINVAL or zero on success
*/
static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
struct v4l2_mbus_framefmt *format;
format = __resizer_get_format(sd, fh, fmt->pad, fmt->which);
if (format == NULL)
return -EINVAL;
resizer_try_format(sd, fh, fmt->pad, &fmt->format, fmt->which);
*format = fmt->format;
if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
return 0;
if (&resizer->crop_resizer.subdev == sd) {
if (fmt->pad == RESIZER_CROP_PAD_SINK) {
resizer->crop_resizer.formats[fmt->pad] = fmt->format;
} else if (fmt->pad == RESIZER_CROP_PAD_SOURCE &&
resizer->crop_resizer.output == RESIZER_A) {
resizer->crop_resizer.formats[fmt->pad] = fmt->format;
resizer->crop_resizer.
formats[RESIZER_CROP_PAD_SOURCE2] = fmt->format;
} else if (fmt->pad == RESIZER_CROP_PAD_SOURCE2 &&
resizer->crop_resizer.output2 == RESIZER_B) {
resizer->crop_resizer.formats[fmt->pad] = fmt->format;
resizer->crop_resizer.
formats[RESIZER_CROP_PAD_SOURCE] = fmt->format;
} else {
return -EINVAL;
}
} else if (&resizer->resizer_a.subdev == sd) {
if (fmt->pad == RESIZER_PAD_SINK)
resizer->resizer_a.formats[fmt->pad] = fmt->format;
else if (fmt->pad == RESIZER_PAD_SOURCE)
resizer->resizer_a.formats[fmt->pad] = fmt->format;
else
return -EINVAL;
} else if (&resizer->resizer_b.subdev == sd) {
if (fmt->pad == RESIZER_PAD_SINK)
resizer->resizer_b.formats[fmt->pad] = fmt->format;
else if (fmt->pad == RESIZER_PAD_SOURCE)
resizer->resizer_b.formats[fmt->pad] = fmt->format;
else
return -EINVAL;
} else {
return -EINVAL;
}
return 0;
}
/*
* resizer_get_format() - Retrieve the video format on a pad
* @sd: pointer to v4l2 subdev structure.
* @fh: V4L2 subdev file handle.
* @fmt: pointer to v4l2 subdev format structure
* return -EINVAL or zero on success
*/
static int resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh,
struct v4l2_subdev_format *fmt)
{
struct v4l2_mbus_framefmt *format;
format = __resizer_get_format(sd, fh, fmt->pad, fmt->which);
if (format == NULL)
return -EINVAL;
fmt->format = *format;
return 0;
}
/*
* resizer_enum_frame_size() - enum frame sizes on pads
* @sd: Pointer to subdevice.
* @fh: V4L2 subdev file handle.
* @code: pointer to v4l2_subdev_frame_size_enum structure.
*/
static int resizer_enum_frame_size(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_frame_size_enum *fse)
{
struct v4l2_mbus_framefmt format;
if (fse->index != 0)
return -EINVAL;
format.code = fse->code;
format.width = 1;
format.height = 1;
resizer_try_format(sd, fh, fse->pad, &format,
V4L2_SUBDEV_FORMAT_TRY);
fse->min_width = format.width;
fse->min_height = format.height;
if (format.code != fse->code)
return -EINVAL;
format.code = fse->code;
format.width = -1;
format.height = -1;
resizer_try_format(sd, fh, fse->pad, &format,
V4L2_SUBDEV_FORMAT_TRY);
fse->max_width = format.width;
fse->max_height = format.height;
return 0;
}
/*
* resizer_enum_mbus_code() - enum mbus codes for pads
* @sd: Pointer to subdevice.
* @fh: V4L2 subdev file handle
* @code: pointer to v4l2_subdev_mbus_code_enum structure
*/
static int resizer_enum_mbus_code(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh,
struct v4l2_subdev_mbus_code_enum *code)
{
if (code->pad == RESIZER_PAD_SINK) {
if (code->index >= ARRAY_SIZE(resizer_input_formats))
return -EINVAL;
code->code = resizer_input_formats[code->index];
} else if (code->pad == RESIZER_PAD_SOURCE) {
if (code->index >= ARRAY_SIZE(resizer_output_formats))
return -EINVAL;
code->code = resizer_output_formats[code->index];
}
return 0;
}
/*
* resizer_init_formats() - Initialize formats on all pads
* @sd: Pointer to subdevice.
* @fh: V4L2 subdev file handle.
*
* Initialize all pad formats with default values. If fh is not NULL, try
* formats are initialized on the file handle. Otherwise active formats are
* initialized on the device.
*/
static int resizer_init_formats(struct v4l2_subdev *sd,
struct v4l2_subdev_fh *fh)
{
__u32 which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE;
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
struct v4l2_subdev_format format;
if (&resizer->crop_resizer.subdev == sd) {
memset(&format, 0, sizeof(format));
format.pad = RESIZER_CROP_PAD_SINK;
format.which = which;
format.format.code = V4L2_MBUS_FMT_YUYV8_2X8;
format.format.width = MAX_IN_WIDTH;
format.format.height = MAX_IN_HEIGHT;
resizer_set_format(sd, fh, &format);
memset(&format, 0, sizeof(format));
format.pad = RESIZER_CROP_PAD_SOURCE;
format.which = which;
format.format.code = V4L2_MBUS_FMT_UYVY8_2X8;
format.format.width = MAX_IN_WIDTH;
format.format.height = MAX_IN_WIDTH;
resizer_set_format(sd, fh, &format);
memset(&format, 0, sizeof(format));
format.pad = RESIZER_CROP_PAD_SOURCE2;
format.which = which;
format.format.code = V4L2_MBUS_FMT_UYVY8_2X8;
format.format.width = MAX_IN_WIDTH;
format.format.height = MAX_IN_WIDTH;
resizer_set_format(sd, fh, &format);
} else if (&resizer->resizer_a.subdev == sd) {
memset(&format, 0, sizeof(format));
format.pad = RESIZER_PAD_SINK;
format.which = which;
format.format.code = V4L2_MBUS_FMT_YUYV8_2X8;
format.format.width = MAX_IN_WIDTH;
format.format.height = MAX_IN_HEIGHT;
resizer_set_format(sd, fh, &format);
memset(&format, 0, sizeof(format));
format.pad = RESIZER_PAD_SOURCE;
format.which = which;
format.format.code = V4L2_MBUS_FMT_UYVY8_2X8;
format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A;
format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A;
resizer_set_format(sd, fh, &format);
} else if (&resizer->resizer_b.subdev == sd) {
memset(&format, 0, sizeof(format));
format.pad = RESIZER_PAD_SINK;
format.which = which;
format.format.code = V4L2_MBUS_FMT_YUYV8_2X8;
format.format.width = MAX_IN_WIDTH;
format.format.height = MAX_IN_HEIGHT;
resizer_set_format(sd, fh, &format);
memset(&format, 0, sizeof(format));
format.pad = RESIZER_PAD_SOURCE;
format.which = which;
format.format.code = V4L2_MBUS_FMT_UYVY8_2X8;
format.format.width = IPIPE_MAX_OUTPUT_WIDTH_B;
format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_B;
resizer_set_format(sd, fh, &format);
}
return 0;
}
/* subdev core operations */
static const struct v4l2_subdev_core_ops resizer_v4l2_core_ops = {
.ioctl = resizer_ioctl,
};
/* subdev internal operations */
static const struct v4l2_subdev_internal_ops resizer_v4l2_internal_ops = {
.open = resizer_init_formats,
};
/* subdev video operations */
static const struct v4l2_subdev_video_ops resizer_v4l2_video_ops = {
.s_stream = resizer_set_stream,
};
/* subdev pad operations */
static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = {
.enum_mbus_code = resizer_enum_mbus_code,
.enum_frame_size = resizer_enum_frame_size,
.get_fmt = resizer_get_format,
.set_fmt = resizer_set_format,
};
/* subdev operations */
static const struct v4l2_subdev_ops resizer_v4l2_ops = {
.core = &resizer_v4l2_core_ops,
.video = &resizer_v4l2_video_ops,
.pad = &resizer_v4l2_pad_ops,
};
/*
* Media entity operations
*/
/*
* resizer_link_setup() - Setup resizer connections
* @entity: Pointer to media entity structure
* @local: Pointer to local pad array
* @remote: Pointer to remote pad array
* @flags: Link flags
* return -EINVAL or zero on success
*/
static int resizer_link_setup(struct media_entity *entity,
const struct media_pad *local,
const struct media_pad *remote, u32 flags)
{
struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output;
u16 ipipe_source = vpfe_dev->vpfe_ipipe.output;
if (&resizer->crop_resizer.subdev == sd) {
switch (local->index | media_entity_type(remote->entity)) {
case RESIZER_CROP_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->crop_resizer.input =
RESIZER_CROP_INPUT_NONE;
break;
}
if (resizer->crop_resizer.input !=
RESIZER_CROP_INPUT_NONE)
return -EBUSY;
if (ipipeif_source == IPIPEIF_OUTPUT_RESIZER)
resizer->crop_resizer.input =
RESIZER_CROP_INPUT_IPIPEIF;
else if (ipipe_source == IPIPE_OUTPUT_RESIZER)
resizer->crop_resizer.input =
RESIZER_CROP_INPUT_IPIPE;
else
return -EINVAL;
break;
case RESIZER_CROP_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->crop_resizer.output =
RESIZER_CROP_OUTPUT_NONE;
break;
}
if (resizer->crop_resizer.output !=
RESIZER_CROP_OUTPUT_NONE)
return -EBUSY;
resizer->crop_resizer.output = RESIZER_A;
break;
case RESIZER_CROP_PAD_SOURCE2 | MEDIA_ENT_T_V4L2_SUBDEV:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->crop_resizer.output2 =
RESIZER_CROP_OUTPUT_NONE;
break;
}
if (resizer->crop_resizer.output2 !=
RESIZER_CROP_OUTPUT_NONE)
return -EBUSY;
resizer->crop_resizer.output2 = RESIZER_B;
break;
default:
return -EINVAL;
}
} else if (&resizer->resizer_a.subdev == sd) {
switch (local->index | media_entity_type(remote->entity)) {
case RESIZER_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->resizer_a.input = RESIZER_INPUT_NONE;
break;
}
if (resizer->resizer_a.input != RESIZER_INPUT_NONE)
return -EBUSY;
resizer->resizer_a.input = RESIZER_INPUT_CROP_RESIZER;
break;
case RESIZER_PAD_SOURCE | MEDIA_ENT_T_DEVNODE:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->resizer_a.output = RESIZER_OUTPUT_NONE;
break;
}
if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE)
return -EBUSY;
resizer->resizer_a.output = RESIZER_OUPUT_MEMORY;
break;
default:
return -EINVAL;
}
} else if (&resizer->resizer_b.subdev == sd) {
switch (local->index | media_entity_type(remote->entity)) {
case RESIZER_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->resizer_b.input = RESIZER_INPUT_NONE;
break;
}
if (resizer->resizer_b.input != RESIZER_INPUT_NONE)
return -EBUSY;
resizer->resizer_b.input = RESIZER_INPUT_CROP_RESIZER;
break;
case RESIZER_PAD_SOURCE | MEDIA_ENT_T_DEVNODE:
if (!(flags & MEDIA_LNK_FL_ENABLED)) {
resizer->resizer_b.output = RESIZER_OUTPUT_NONE;
break;
}
if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE)
return -EBUSY;
resizer->resizer_b.output = RESIZER_OUPUT_MEMORY;
break;
default:
return -EINVAL;
}
} else {
return -EINVAL;
}
return 0;
}
static const struct media_entity_operations resizer_media_ops = {
.link_setup = resizer_link_setup,
};
/*
* vpfe_resizer_unregister_entities() - Unregister entity
* @vpfe_rsz - pointer to resizer subdevice structure.
*/
void vpfe_resizer_unregister_entities(struct vpfe_resizer_device *vpfe_rsz)
{
/* unregister video devices */
vpfe_video_unregister(&vpfe_rsz->resizer_a.video_out);
vpfe_video_unregister(&vpfe_rsz->resizer_b.video_out);
/* cleanup entity */
media_entity_cleanup(&vpfe_rsz->crop_resizer.subdev.entity);
media_entity_cleanup(&vpfe_rsz->resizer_a.subdev.entity);
media_entity_cleanup(&vpfe_rsz->resizer_b.subdev.entity);
/* unregister subdev */
v4l2_device_unregister_subdev(&vpfe_rsz->crop_resizer.subdev);
v4l2_device_unregister_subdev(&vpfe_rsz->resizer_a.subdev);
v4l2_device_unregister_subdev(&vpfe_rsz->resizer_b.subdev);
}
/*
* vpfe_resizer_register_entities() - Register entity
* @resizer - pointer to resizer devive.
* @vdev: pointer to v4l2 device structure.
*/
int vpfe_resizer_register_entities(struct vpfe_resizer_device *resizer,
struct v4l2_device *vdev)
{
struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
unsigned int flags = 0;
int ret;
/* Register the crop resizer subdev */
ret = v4l2_device_register_subdev(vdev, &resizer->crop_resizer.subdev);
if (ret < 0) {
pr_err("Failed to register crop resizer as v4l2-subdev\n");
return ret;
}
/* Register Resizer-A subdev */
ret = v4l2_device_register_subdev(vdev, &resizer->resizer_a.subdev);
if (ret < 0) {
pr_err("Failed to register resizer-a as v4l2-subdev\n");
return ret;
}
/* Register Resizer-B subdev */
ret = v4l2_device_register_subdev(vdev, &resizer->resizer_b.subdev);
if (ret < 0) {
pr_err("Failed to register resizer-b as v4l2-subdev\n");
return ret;
}
/* Register video-out device for resizer-a */
ret = vpfe_video_register(&resizer->resizer_a.video_out, vdev);
if (ret) {
pr_err("Failed to register RSZ-A video-out device\n");
goto out_video_out2_register;
}
resizer->resizer_a.video_out.vpfe_dev = vpfe_dev;
/* Register video-out device for resizer-b */
ret = vpfe_video_register(&resizer->resizer_b.video_out, vdev);
if (ret) {
pr_err("Failed to register RSZ-B video-out device\n");
goto out_video_out2_register;
}
resizer->resizer_b.video_out.vpfe_dev = vpfe_dev;
/* create link between Resizer Crop----> Resizer A*/
ret = media_entity_create_link(&resizer->crop_resizer.subdev.entity, 1,
&resizer->resizer_a.subdev.entity,
0, flags);
if (ret < 0)
goto out_create_link;
/* create link between Resizer Crop----> Resizer B*/
ret = media_entity_create_link(&resizer->crop_resizer.subdev.entity, 2,
&resizer->resizer_b.subdev.entity,
0, flags);
if (ret < 0)
goto out_create_link;
/* create link between Resizer A ----> video out */
ret = media_entity_create_link(&resizer->resizer_a.subdev.entity, 1,
&resizer->resizer_a.video_out.video_dev.entity, 0, flags);
if (ret < 0)
goto out_create_link;
/* create link between Resizer B ----> video out */
ret = media_entity_create_link(&resizer->resizer_b.subdev.entity, 1,
&resizer->resizer_b.video_out.video_dev.entity, 0, flags);
if (ret < 0)
goto out_create_link;
return 0;
out_create_link:
vpfe_video_unregister(&resizer->resizer_b.video_out);
out_video_out2_register:
vpfe_video_unregister(&resizer->resizer_a.video_out);
media_entity_cleanup(&resizer->crop_resizer.subdev.entity);
media_entity_cleanup(&resizer->resizer_a.subdev.entity);
media_entity_cleanup(&resizer->resizer_b.subdev.entity);
v4l2_device_unregister_subdev(&resizer->crop_resizer.subdev);
v4l2_device_unregister_subdev(&resizer->resizer_a.subdev);
v4l2_device_unregister_subdev(&resizer->resizer_b.subdev);
return ret;
}
/*
* vpfe_resizer_init() - resizer device initialization.
* @vpfe_rsz - pointer to resizer device
* @pdev: platform device pointer.
*/
int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
struct platform_device *pdev)
{
struct v4l2_subdev *sd = &vpfe_rsz->crop_resizer.subdev;
struct media_pad *pads = &vpfe_rsz->crop_resizer.pads[0];
struct media_entity *me = &sd->entity;
static resource_size_t res_len;
struct resource *res;
int ret;
res = platform_get_resource(pdev, IORESOURCE_MEM, 5);
if (!res)
return -ENOENT;
res_len = resource_size(res);
res = request_mem_region(res->start, res_len, res->name);
if (!res)
return -EBUSY;
vpfe_rsz->base_addr = ioremap_nocache(res->start, res_len);
if (!vpfe_rsz->base_addr)
return -EBUSY;
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER CROP", sizeof(sd->name));
sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[RESIZER_CROP_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
pads[RESIZER_CROP_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
pads[RESIZER_CROP_PAD_SOURCE2].flags = MEDIA_PAD_FL_SOURCE;
vpfe_rsz->crop_resizer.input = RESIZER_CROP_INPUT_NONE;
vpfe_rsz->crop_resizer.output = RESIZER_CROP_OUTPUT_NONE;
vpfe_rsz->crop_resizer.output2 = RESIZER_CROP_OUTPUT_NONE;
vpfe_rsz->crop_resizer.rsz_device = vpfe_rsz;
me->ops = &resizer_media_ops;
ret = media_entity_init(me, RESIZER_CROP_PADS_NUM, pads, 0);
if (ret)
return ret;
sd = &vpfe_rsz->resizer_a.subdev;
pads = &vpfe_rsz->resizer_a.pads[0];
me = &sd->entity;
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER A", sizeof(sd->name));
sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
vpfe_rsz->resizer_a.input = RESIZER_INPUT_NONE;
vpfe_rsz->resizer_a.output = RESIZER_OUTPUT_NONE;
vpfe_rsz->resizer_a.rsz_device = vpfe_rsz;
me->ops = &resizer_media_ops;
ret = media_entity_init(me, RESIZER_PADS_NUM, pads, 0);
if (ret)
return ret;
sd = &vpfe_rsz->resizer_b.subdev;
pads = &vpfe_rsz->resizer_b.pads[0];
me = &sd->entity;
v4l2_subdev_init(sd, &resizer_v4l2_ops);
sd->internal_ops = &resizer_v4l2_internal_ops;
strlcpy(sd->name, "DAVINCI RESIZER B", sizeof(sd->name));
sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
v4l2_set_subdevdata(sd, vpfe_rsz);
sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
vpfe_rsz->resizer_b.input = RESIZER_INPUT_NONE;
vpfe_rsz->resizer_b.output = RESIZER_OUTPUT_NONE;
vpfe_rsz->resizer_b.rsz_device = vpfe_rsz;
me->ops = &resizer_media_ops;
ret = media_entity_init(me, RESIZER_PADS_NUM, pads, 0);
if (ret)
return ret;
vpfe_rsz->resizer_a.video_out.ops = &resizer_a_video_ops;
vpfe_rsz->resizer_a.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
ret = vpfe_video_init(&vpfe_rsz->resizer_a.video_out, "RSZ-A");
if (ret) {
pr_err("Failed to init RSZ video-out device\n");
return ret;
}
vpfe_rsz->resizer_b.video_out.ops = &resizer_b_video_ops;
vpfe_rsz->resizer_b.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
ret = vpfe_video_init(&vpfe_rsz->resizer_b.video_out, "RSZ-B");
if (ret) {
pr_err("Failed to init RSZ video-out2 device\n");
return ret;
}
memset(&vpfe_rsz->config, 0, sizeof(struct resizer_params));
return 0;
}
void
vpfe_resizer_cleanup(struct vpfe_resizer_device *vpfe_rsz,
struct platform_device *pdev)
{
struct resource *res;
iounmap(vpfe_rsz->base_addr);
res = platform_get_resource(pdev, IORESOURCE_MEM, 5);
if (res)
release_mem_region(res->start,
res->end - res->start + 1);
}
/*
* Copyright (C) 2012 Texas Instruments Inc
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation version 2.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contributors:
* Manjunath Hadli <manjunath.hadli@ti.com>
* Prabhakar Lad <prabhakar.lad@ti.com>
*/
#ifndef _DAVINCI_VPFE_DM365_RESIZER_H
#define _DAVINCI_VPFE_DM365_RESIZER_H
enum resizer_oper_mode {
RESIZER_MODE_CONTINIOUS = 0,
RESIZER_MODE_ONE_SHOT = 1,
};
struct f_div_pass {
unsigned int o_hsz;
unsigned int i_hps;
unsigned int h_phs;
unsigned int src_hps;
unsigned int src_hsz;
};
#define MAX_PASSES 2
struct f_div_param {
unsigned char en;
unsigned int num_passes;
struct f_div_pass pass[MAX_PASSES];
};
/* Resizer Rescale Parameters*/
struct resizer_scale_param {
bool h_flip;
bool v_flip;
bool cen;
bool yen;
unsigned short i_vps;
unsigned short i_hps;
unsigned short o_vsz;
unsigned short o_hsz;
unsigned short v_phs_y;
unsigned short v_phs_c;
unsigned short v_dif;
/* resize method - Luminance */
enum vpfe_rsz_intp_t v_typ_y;
/* resize method - Chrominance */
enum vpfe_rsz_intp_t v_typ_c;
/* vertical lpf intensity - Luminance */
unsigned char v_lpf_int_y;
/* vertical lpf intensity - Chrominance */
unsigned char v_lpf_int_c;
unsigned short h_phs;
unsigned short h_dif;
/* resize method - Luminance */
enum vpfe_rsz_intp_t h_typ_y;
/* resize method - Chrominance */
enum vpfe_rsz_intp_t h_typ_c;
/* horizontal lpf intensity - Luminance */
unsigned char h_lpf_int_y;
/* horizontal lpf intensity - Chrominance */
unsigned char h_lpf_int_c;
bool dscale_en;
enum vpfe_rsz_down_scale_ave_sz h_dscale_ave_sz;
enum vpfe_rsz_down_scale_ave_sz v_dscale_ave_sz;
/* store the calculated frame division parameter */
struct f_div_param f_div;
};
enum resizer_rgb_t {
OUTPUT_32BIT,
OUTPUT_16BIT
};
enum resizer_rgb_msk_t {
NOMASK = 0,
MASKLAST2 = 1,
};
/* Resizer RGB Conversion Parameters */
struct resizer_rgb {
bool rgb_en;
enum resizer_rgb_t rgb_typ;
enum resizer_rgb_msk_t rgb_msk0;
enum resizer_rgb_msk_t rgb_msk1;
unsigned int rgb_alpha_val;
};
/* Resizer External Memory Parameters */
struct rsz_ext_mem_param {
unsigned int rsz_sdr_oft_y;
unsigned int rsz_sdr_ptr_s_y;
unsigned int rsz_sdr_ptr_e_y;
unsigned int rsz_sdr_oft_c;
unsigned int rsz_sdr_ptr_s_c;
unsigned int rsz_sdr_ptr_e_c;
/* offset to be added to buffer start when flipping for y/ycbcr */
unsigned int flip_ofst_y;
/* offset to be added to buffer start when flipping for c */
unsigned int flip_ofst_c;
/* c offset for YUV 420SP */
unsigned int c_offset;
/* User Defined Y offset for YUV 420SP or YUV420ILE data */
unsigned int user_y_ofst;
/* User Defined C offset for YUV 420SP data */
unsigned int user_c_ofst;
};
enum rsz_data_source {
IPIPE_DATA,
IPIPEIF_DATA
};
enum rsz_src_img_fmt {
RSZ_IMG_422,
RSZ_IMG_420
};
enum rsz_dpaths_bypass_t {
BYPASS_OFF = 0,
BYPASS_ON = 1,
};
struct rsz_common_params {
unsigned int vps;
unsigned int vsz;
unsigned int hps;
unsigned int hsz;
/* 420 or 422 */
enum rsz_src_img_fmt src_img_fmt;
/* Y or C when src_fmt is 420, 0 - y, 1 - c */
unsigned char y_c;
/* flip raw or ycbcr */
unsigned char raw_flip;
/* IPIPE or IPIPEIF data */
enum rsz_data_source source;
enum rsz_dpaths_bypass_t passthrough;
unsigned char yuv_y_min;
unsigned char yuv_y_max;
unsigned char yuv_c_min;
unsigned char yuv_c_max;
bool rsz_seq_crv;
enum vpfe_chr_pos out_chr_pos;
};
struct resizer_params {
enum resizer_oper_mode oper_mode;
struct rsz_common_params rsz_common;
struct resizer_scale_param rsz_rsc_param[2];
struct resizer_rgb rsz2rgb[2];
struct rsz_ext_mem_param ext_mem_param[2];
bool rsz_en[2];
struct vpfe_rsz_config_params user_config;
};
#define ENABLE 1
#define DISABLE (!ENABLE)
#define RESIZER_CROP_PAD_SINK 0
#define RESIZER_CROP_PAD_SOURCE 1
#define RESIZER_CROP_PAD_SOURCE2 2
#define RESIZER_CROP_PADS_NUM 3
enum resizer_crop_input_entity {
RESIZER_CROP_INPUT_NONE = 0,
RESIZER_CROP_INPUT_IPIPEIF = 1,
RESIZER_CROP_INPUT_IPIPE = 2,
};
enum resizer_crop_output_entity {
RESIZER_CROP_OUTPUT_NONE,
RESIZER_A,
RESIZER_B,
};
struct dm365_crop_resizer_device {
struct v4l2_subdev subdev;
struct media_pad pads[RESIZER_CROP_PADS_NUM];
struct v4l2_mbus_framefmt formats[RESIZER_CROP_PADS_NUM];
enum resizer_crop_input_entity input;
enum resizer_crop_output_entity output;
enum resizer_crop_output_entity output2;
struct vpfe_resizer_device *rsz_device;
};
#define RESIZER_PAD_SINK 0
#define RESIZER_PAD_SOURCE 1
#define RESIZER_PADS_NUM 2
enum resizer_input_entity {
RESIZER_INPUT_NONE = 0,
RESIZER_INPUT_CROP_RESIZER = 1,
};
enum resizer_output_entity {
RESIZER_OUTPUT_NONE = 0,
RESIZER_OUPUT_MEMORY = 1,
};
struct dm365_resizer_device {
struct v4l2_subdev subdev;
struct media_pad pads[RESIZER_PADS_NUM];
struct v4l2_mbus_framefmt formats[RESIZER_PADS_NUM];
enum resizer_input_entity input;
enum resizer_output_entity output;
struct vpfe_video_device video_out;
struct vpfe_resizer_device *rsz_device;
};
struct vpfe_resizer_device {
struct dm365_crop_resizer_device crop_resizer;
struct dm365_resizer_device resizer_a;
struct dm365_resizer_device resizer_b;
struct resizer_params config;
void *__iomem base_addr;
};
int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
struct platform_device *pdev);
int vpfe_resizer_register_entities(struct vpfe_resizer_device *vpfe_rsz,
struct v4l2_device *v4l2_dev);
void vpfe_resizer_unregister_entities(struct vpfe_resizer_device *vpfe_rsz);
void vpfe_resizer_cleanup(struct vpfe_resizer_device *vpfe_rsz,
struct platform_device *pdev);
void vpfe_resizer_buffer_isr(struct vpfe_resizer_device *resizer);
void vpfe_resizer_dma_isr(struct vpfe_resizer_device *resizer);
#endif /* _DAVINCI_VPFE_DM365_RESIZER_H */
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