| /* |
| * 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[] = { |
| MEDIA_BUS_FMT_UYVY8_2X8, |
| MEDIA_BUS_FMT_Y8_1X8, |
| MEDIA_BUS_FMT_UV8_1X8, |
| MEDIA_BUS_FMT_SGRBG12_1X12, |
| }; |
| |
| static const unsigned int resizer_output_formats[] = { |
| MEDIA_BUS_FMT_UYVY8_2X8, |
| MEDIA_BUS_FMT_Y8_1X8, |
| MEDIA_BUS_FMT_UV8_1X8, |
| MEDIA_BUS_FMT_YDYUYDYV8_1X16, |
| MEDIA_BUS_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(u32 pix, int width, int height, |
| int *line_len, int *line_len_c) |
| { |
| *line_len = 0; |
| *line_len_c = 0; |
| |
| if (pix == MEDIA_BUS_FMT_UYVY8_2X8 || |
| pix == MEDIA_BUS_FMT_SGRBG12_1X12) { |
| *line_len = width << 1; |
| } else if (pix == MEDIA_BUS_FMT_Y8_1X8 || |
| pix == MEDIA_BUS_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 != MEDIA_BUS_FMT_UYVY8_2X8 && |
| format->code != MEDIA_BUS_FMT_Y8_1X8 && |
| format->code != MEDIA_BUS_FMT_UV8_1X8 && |
| format->code != MEDIA_BUS_FMT_YDYUYDYV8_1X16 && |
| format->code != MEDIA_BUS_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 = 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. |
| */ |
| static 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 == MEDIA_BUS_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; |
| } |
| |
| static 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]; |
| |
| memset(&output_specs, 0x0, sizeof(struct vpfe_rsz_output_spec)); |
| output_specs.vst_y = param->user_config.vst; |
| if (outformat->code == MEDIA_BUS_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 == MEDIA_BUS_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 MEDIA_BUS_FMT_UYVY8_2X8: |
| param->rsz_common.src_img_fmt = RSZ_IMG_422; |
| param->rsz_common.raw_flip = 0; |
| break; |
| |
| case MEDIA_BUS_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 MEDIA_BUS_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 MEDIA_BUS_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 == MEDIA_BUS_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, |
| u32 pix, |
| int width, int height, int *line_len) |
| { |
| int val; |
| |
| if (pix != MEDIA_BUS_FMT_UYVY8_2X8 && |
| pix != MEDIA_BUS_FMT_Y8_1X8 && |
| pix != MEDIA_BUS_FMT_UV8_1X8 && |
| pix != MEDIA_BUS_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 == MEDIA_BUS_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, |
| ¶m->user_config.output1, 0, 1); |
| |
| if (outformat1->code == MEDIA_BUS_FMT_SGRBG12_1X12) |
| param->rsz_common.raw_flip = 1; |
| else |
| param->rsz_common.raw_flip = 0; |
| |
| if (outformat1->code == MEDIA_BUS_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, |
| ¶m->user_config.output2, 0, 1); |
| if (outformat2->code == MEDIA_BUS_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 == MEDIA_BUS_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 == MEDIA_BUS_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, |
| ¶m->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, |
| ¶m->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, |
| ¶m->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, |
| ¶m->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, |
| }, |
| }; |
| 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 = arg; |
| ret = resizer_set_configuration(resizer, user_config); |
| break; |
| |
| case VIDIOC_VPFE_RSZ_G_CONFIG: |
| user_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. |
| * @cfg: V4L2 subdev pad config |
| * @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_pad_config *cfg, |
| 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(sd, cfg, 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. |
| * @cfg: V4L2 subdev pad config |
| * @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_pad_config *cfg, |
| 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 = MEDIA_BUS_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 = MEDIA_BUS_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 = MEDIA_BUS_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 |
| * @cfg: V4L2 subdev pad config |
| * @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_pad_config *cfg, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| struct v4l2_mbus_framefmt *format; |
| |
| format = __resizer_get_format(sd, cfg, fmt->pad, fmt->which); |
| if (format == NULL) |
| return -EINVAL; |
| |
| resizer_try_format(sd, cfg, 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. |
| * @cfg: V4L2 subdev pad config |
| * @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_pad_config *cfg, |
| struct v4l2_subdev_format *fmt) |
| { |
| struct v4l2_mbus_framefmt *format; |
| |
| format = __resizer_get_format(sd, cfg, 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. |
| * @cfg: V4L2 subdev pad config |
| * @code: pointer to v4l2_subdev_frame_size_enum structure. |
| */ |
| static int resizer_enum_frame_size(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| 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, cfg, fse->pad, &format, fse->which); |
| 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, cfg, fse->pad, &format, fse->which); |
| 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. |
| * @cfg: V4L2 subdev pad config |
| * @code: pointer to v4l2_subdev_mbus_code_enum structure |
| */ |
| static int resizer_enum_mbus_code(struct v4l2_subdev *sd, |
| struct v4l2_subdev_pad_config *cfg, |
| 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. Try formats are |
| * initialized on the file handle. |
| */ |
| static int resizer_init_formats(struct v4l2_subdev *sd, |
| struct v4l2_subdev_fh *fh) |
| { |
| __u32 which = V4L2_SUBDEV_FORMAT_TRY; |
| 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 = MEDIA_BUS_FMT_YUYV8_2X8; |
| format.format.width = MAX_IN_WIDTH; |
| format.format.height = MAX_IN_HEIGHT; |
| resizer_set_format(sd, fh->pad, &format); |
| |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_CROP_PAD_SOURCE; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
| format.format.width = MAX_IN_WIDTH; |
| format.format.height = MAX_IN_WIDTH; |
| resizer_set_format(sd, fh->pad, &format); |
| |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_CROP_PAD_SOURCE2; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
| format.format.width = MAX_IN_WIDTH; |
| format.format.height = MAX_IN_WIDTH; |
| resizer_set_format(sd, fh->pad, &format); |
| } else if (&resizer->resizer_a.subdev == sd) { |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_PAD_SINK; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
| format.format.width = MAX_IN_WIDTH; |
| format.format.height = MAX_IN_HEIGHT; |
| resizer_set_format(sd, fh->pad, &format); |
| |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_PAD_SOURCE; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
| format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A; |
| format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A; |
| resizer_set_format(sd, fh->pad, &format); |
| } else if (&resizer->resizer_b.subdev == sd) { |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_PAD_SINK; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
| format.format.width = MAX_IN_WIDTH; |
| format.format.height = MAX_IN_HEIGHT; |
| resizer_set_format(sd, fh->pad, &format); |
| |
| memset(&format, 0, sizeof(format)); |
| format.pad = RESIZER_PAD_SOURCE; |
| format.which = which; |
| format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
| format.format.width = IPIPE_MAX_OUTPUT_WIDTH_B; |
| format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_B; |
| resizer_set_format(sd, fh->pad, &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); |
| |
| /* 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); |
| /* 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); |
| } |
| |
| /* |
| * 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); |
| v4l2_device_unregister_subdev(&resizer->crop_resizer.subdev); |
| v4l2_device_unregister_subdev(&resizer->resizer_a.subdev); |
| v4l2_device_unregister_subdev(&resizer->resizer_b.subdev); |
| media_entity_cleanup(&resizer->crop_resizer.subdev.entity); |
| media_entity_cleanup(&resizer->resizer_a.subdev.entity); |
| media_entity_cleanup(&resizer->resizer_b.subdev.entity); |
| 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, |
| resource_size(res)); |
| } |