Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Texas Instruments Inc |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License as |
| 6 | * published by the Free Software Foundation version 2. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | * You should have received a copy of the GNU General Public License |
| 14 | * along with this program; if not, write to the Free Software |
| 15 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 16 | * |
| 17 | * Contributors: |
| 18 | * Manjunath Hadli <manjunath.hadli@ti.com> |
| 19 | * Prabhakar Lad <prabhakar.lad@ti.com> |
| 20 | * |
| 21 | * |
| 22 | * Resizer allows upscaling or downscaling a image to a desired |
| 23 | * resolution. There are 2 resizer modules. both operating on the |
| 24 | * same input image, but can have different output resolution. |
| 25 | */ |
| 26 | |
| 27 | #include "dm365_ipipe_hw.h" |
| 28 | #include "dm365_resizer.h" |
| 29 | |
| 30 | #define MIN_IN_WIDTH 32 |
| 31 | #define MIN_IN_HEIGHT 32 |
| 32 | #define MAX_IN_WIDTH 4095 |
| 33 | #define MAX_IN_HEIGHT 4095 |
| 34 | #define MIN_OUT_WIDTH 16 |
| 35 | #define MIN_OUT_HEIGHT 2 |
| 36 | |
| 37 | static const unsigned int resizer_input_formats[] = { |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 38 | MEDIA_BUS_FMT_UYVY8_2X8, |
| 39 | MEDIA_BUS_FMT_Y8_1X8, |
| 40 | MEDIA_BUS_FMT_UV8_1X8, |
| 41 | MEDIA_BUS_FMT_SGRBG12_1X12, |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 42 | }; |
| 43 | |
| 44 | static const unsigned int resizer_output_formats[] = { |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 45 | MEDIA_BUS_FMT_UYVY8_2X8, |
| 46 | MEDIA_BUS_FMT_Y8_1X8, |
| 47 | MEDIA_BUS_FMT_UV8_1X8, |
| 48 | MEDIA_BUS_FMT_YDYUYDYV8_1X16, |
| 49 | MEDIA_BUS_FMT_SGRBG12_1X12, |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 50 | }; |
| 51 | |
| 52 | /* resizer_calculate_line_length() - This function calculates the line length of |
| 53 | * various image planes at the input and |
| 54 | * output. |
| 55 | */ |
| 56 | static void |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 57 | resizer_calculate_line_length(u32 pix, int width, int height, |
| 58 | int *line_len, int *line_len_c) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 59 | { |
| 60 | *line_len = 0; |
| 61 | *line_len_c = 0; |
| 62 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 63 | if (pix == MEDIA_BUS_FMT_UYVY8_2X8 || |
| 64 | pix == MEDIA_BUS_FMT_SGRBG12_1X12) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 65 | *line_len = width << 1; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 66 | } else if (pix == MEDIA_BUS_FMT_Y8_1X8 || |
| 67 | pix == MEDIA_BUS_FMT_UV8_1X8) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 68 | *line_len = width; |
| 69 | *line_len_c = width; |
| 70 | } else { |
| 71 | /* YUV 420 */ |
| 72 | /* round width to upper 32 byte boundary */ |
| 73 | *line_len = width; |
| 74 | *line_len_c = width; |
| 75 | } |
| 76 | /* adjust the line len to be a multiple of 32 */ |
| 77 | *line_len += 31; |
| 78 | *line_len &= ~0x1f; |
| 79 | *line_len_c += 31; |
| 80 | *line_len_c &= ~0x1f; |
| 81 | } |
| 82 | |
| 83 | static inline int |
| 84 | resizer_validate_output_image_format(struct device *dev, |
| 85 | struct v4l2_mbus_framefmt *format, |
| 86 | int *in_line_len, int *in_line_len_c) |
| 87 | { |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 88 | if (format->code != MEDIA_BUS_FMT_UYVY8_2X8 && |
| 89 | format->code != MEDIA_BUS_FMT_Y8_1X8 && |
| 90 | format->code != MEDIA_BUS_FMT_UV8_1X8 && |
| 91 | format->code != MEDIA_BUS_FMT_YDYUYDYV8_1X16 && |
| 92 | format->code != MEDIA_BUS_FMT_SGRBG12_1X12) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 93 | dev_err(dev, "Invalid Mbus format, %d\n", format->code); |
| 94 | return -EINVAL; |
| 95 | } |
| 96 | if (!format->width || !format->height) { |
| 97 | dev_err(dev, "invalid width or height\n"); |
| 98 | return -EINVAL; |
| 99 | } |
| 100 | resizer_calculate_line_length(format->code, format->width, |
| 101 | format->height, in_line_len, in_line_len_c); |
| 102 | return 0; |
| 103 | } |
| 104 | |
| 105 | static void |
| 106 | resizer_configure_passthru(struct vpfe_resizer_device *resizer, int bypass) |
| 107 | { |
| 108 | struct resizer_params *param = &resizer->config; |
| 109 | |
| 110 | param->rsz_rsc_param[RSZ_A].cen = DISABLE; |
| 111 | param->rsz_rsc_param[RSZ_A].yen = DISABLE; |
| 112 | param->rsz_rsc_param[RSZ_A].v_phs_y = 0; |
| 113 | param->rsz_rsc_param[RSZ_A].v_phs_c = 0; |
| 114 | param->rsz_rsc_param[RSZ_A].v_dif = 256; |
| 115 | param->rsz_rsc_param[RSZ_A].v_lpf_int_y = 0; |
| 116 | param->rsz_rsc_param[RSZ_A].v_lpf_int_c = 0; |
| 117 | param->rsz_rsc_param[RSZ_A].h_phs = 0; |
| 118 | param->rsz_rsc_param[RSZ_A].h_dif = 256; |
| 119 | param->rsz_rsc_param[RSZ_A].h_lpf_int_y = 0; |
| 120 | param->rsz_rsc_param[RSZ_A].h_lpf_int_c = 0; |
| 121 | param->rsz_rsc_param[RSZ_A].dscale_en = DISABLE; |
| 122 | param->rsz2rgb[RSZ_A].rgb_en = DISABLE; |
| 123 | param->rsz_en[RSZ_A] = ENABLE; |
| 124 | param->rsz_en[RSZ_B] = DISABLE; |
| 125 | if (bypass) { |
| 126 | param->rsz_rsc_param[RSZ_A].i_vps = 0; |
| 127 | param->rsz_rsc_param[RSZ_A].i_hps = 0; |
| 128 | /* Raw Bypass */ |
| 129 | param->rsz_common.passthrough = BYPASS_ON; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | static void |
| 134 | configure_resizer_out_params(struct vpfe_resizer_device *resizer, int index, |
| 135 | void *output_spec, unsigned char partial, |
| 136 | unsigned flag) |
| 137 | { |
| 138 | struct resizer_params *param = &resizer->config; |
| 139 | struct v4l2_mbus_framefmt *outformat; |
| 140 | struct vpfe_rsz_output_spec *output; |
| 141 | |
| 142 | if (index == RSZ_A && |
| 143 | resizer->resizer_a.output == RESIZER_OUTPUT_NONE) { |
| 144 | param->rsz_en[index] = DISABLE; |
| 145 | return; |
| 146 | } |
| 147 | if (index == RSZ_B && |
| 148 | resizer->resizer_b.output == RESIZER_OUTPUT_NONE) { |
| 149 | param->rsz_en[index] = DISABLE; |
| 150 | return; |
| 151 | } |
| 152 | output = (struct vpfe_rsz_output_spec *)output_spec; |
| 153 | param->rsz_en[index] = ENABLE; |
| 154 | if (partial) { |
| 155 | param->rsz_rsc_param[index].h_flip = output->h_flip; |
| 156 | param->rsz_rsc_param[index].v_flip = output->v_flip; |
| 157 | param->rsz_rsc_param[index].v_typ_y = output->v_typ_y; |
| 158 | param->rsz_rsc_param[index].v_typ_c = output->v_typ_c; |
| 159 | param->rsz_rsc_param[index].v_lpf_int_y = |
| 160 | output->v_lpf_int_y; |
| 161 | param->rsz_rsc_param[index].v_lpf_int_c = |
| 162 | output->v_lpf_int_c; |
| 163 | param->rsz_rsc_param[index].h_typ_y = output->h_typ_y; |
| 164 | param->rsz_rsc_param[index].h_typ_c = output->h_typ_c; |
| 165 | param->rsz_rsc_param[index].h_lpf_int_y = |
| 166 | output->h_lpf_int_y; |
| 167 | param->rsz_rsc_param[index].h_lpf_int_c = |
| 168 | output->h_lpf_int_c; |
| 169 | param->rsz_rsc_param[index].dscale_en = |
| 170 | output->en_down_scale; |
| 171 | param->rsz_rsc_param[index].h_dscale_ave_sz = |
| 172 | output->h_dscale_ave_sz; |
| 173 | param->rsz_rsc_param[index].v_dscale_ave_sz = |
| 174 | output->v_dscale_ave_sz; |
| 175 | param->ext_mem_param[index].user_y_ofst = |
| 176 | (output->user_y_ofst + 31) & ~0x1f; |
| 177 | param->ext_mem_param[index].user_c_ofst = |
| 178 | (output->user_c_ofst + 31) & ~0x1f; |
| 179 | return; |
| 180 | } |
| 181 | |
| 182 | if (index == RSZ_A) |
| 183 | outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE]; |
| 184 | else |
| 185 | outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE]; |
| 186 | param->rsz_rsc_param[index].o_vsz = outformat->height - 1; |
| 187 | param->rsz_rsc_param[index].o_hsz = outformat->width - 1; |
| 188 | param->ext_mem_param[index].rsz_sdr_ptr_s_y = output->vst_y; |
| 189 | param->ext_mem_param[index].rsz_sdr_ptr_e_y = outformat->height; |
| 190 | param->ext_mem_param[index].rsz_sdr_ptr_s_c = output->vst_c; |
| 191 | param->ext_mem_param[index].rsz_sdr_ptr_e_c = outformat->height; |
| 192 | |
| 193 | if (!flag) |
| 194 | return; |
| 195 | /* update common parameters */ |
| 196 | param->rsz_rsc_param[index].h_flip = output->h_flip; |
| 197 | param->rsz_rsc_param[index].v_flip = output->v_flip; |
| 198 | param->rsz_rsc_param[index].v_typ_y = output->v_typ_y; |
| 199 | param->rsz_rsc_param[index].v_typ_c = output->v_typ_c; |
| 200 | param->rsz_rsc_param[index].v_lpf_int_y = output->v_lpf_int_y; |
| 201 | param->rsz_rsc_param[index].v_lpf_int_c = output->v_lpf_int_c; |
| 202 | param->rsz_rsc_param[index].h_typ_y = output->h_typ_y; |
| 203 | param->rsz_rsc_param[index].h_typ_c = output->h_typ_c; |
| 204 | param->rsz_rsc_param[index].h_lpf_int_y = output->h_lpf_int_y; |
| 205 | param->rsz_rsc_param[index].h_lpf_int_c = output->h_lpf_int_c; |
| 206 | param->rsz_rsc_param[index].dscale_en = output->en_down_scale; |
| 207 | param->rsz_rsc_param[index].h_dscale_ave_sz = output->h_dscale_ave_sz; |
| 208 | param->rsz_rsc_param[index].v_dscale_ave_sz = output->h_dscale_ave_sz; |
| 209 | param->ext_mem_param[index].user_y_ofst = |
| 210 | (output->user_y_ofst + 31) & ~0x1f; |
| 211 | param->ext_mem_param[index].user_c_ofst = |
| 212 | (output->user_c_ofst + 31) & ~0x1f; |
| 213 | } |
| 214 | |
| 215 | /* |
| 216 | * resizer_calculate_resize_ratios() - Calculates resize ratio for resizer |
| 217 | * A or B. This is called after setting |
| 218 | * the input size or output size. |
| 219 | * @resizer: Pointer to VPFE resizer subdevice. |
| 220 | * @index: index RSZ_A-resizer-A RSZ_B-resizer-B. |
| 221 | */ |
Lad, Prabhakar | 509578f | 2014-04-29 03:49:34 -0300 | [diff] [blame] | 222 | static void |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 223 | resizer_calculate_resize_ratios(struct vpfe_resizer_device *resizer, int index) |
| 224 | { |
| 225 | struct resizer_params *param = &resizer->config; |
| 226 | struct v4l2_mbus_framefmt *informat, *outformat; |
| 227 | |
| 228 | informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK]; |
| 229 | |
| 230 | if (index == RSZ_A) |
| 231 | outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE]; |
| 232 | else |
| 233 | outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE]; |
| 234 | |
| 235 | if (outformat->field != V4L2_FIELD_INTERLACED) |
| 236 | param->rsz_rsc_param[index].v_dif = |
| 237 | ((informat->height) * 256) / (outformat->height); |
| 238 | else |
| 239 | param->rsz_rsc_param[index].v_dif = |
| 240 | ((informat->height >> 1) * 256) / (outformat->height); |
| 241 | param->rsz_rsc_param[index].h_dif = |
| 242 | ((informat->width) * 256) / (outformat->width); |
| 243 | } |
| 244 | |
| 245 | void |
| 246 | static resizer_enable_422_420_conversion(struct resizer_params *param, |
| 247 | int index, bool en) |
| 248 | { |
| 249 | param->rsz_rsc_param[index].cen = en; |
| 250 | param->rsz_rsc_param[index].yen = en; |
| 251 | } |
| 252 | |
| 253 | /* resizer_calculate_sdram_offsets() - This function calculates the offsets from |
| 254 | * start of buffer for the C plane when |
| 255 | * output format is YUV420SP. It also |
| 256 | * calculates the offsets from the start of |
| 257 | * the buffer when the image is flipped |
| 258 | * vertically or horizontally for ycbcr/y/c |
| 259 | * planes. |
| 260 | * @resizer: Pointer to resizer subdevice. |
| 261 | * @index: index RSZ_A-resizer-A RSZ_B-resizer-B. |
| 262 | */ |
| 263 | static int |
| 264 | resizer_calculate_sdram_offsets(struct vpfe_resizer_device *resizer, int index) |
| 265 | { |
| 266 | struct resizer_params *param = &resizer->config; |
| 267 | struct v4l2_mbus_framefmt *outformat; |
| 268 | int bytesperpixel = 2; |
| 269 | int image_height; |
| 270 | int image_width; |
| 271 | int yuv_420 = 0; |
| 272 | int offset = 0; |
| 273 | |
| 274 | if (index == RSZ_A) |
| 275 | outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE]; |
| 276 | else |
| 277 | outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE]; |
| 278 | |
| 279 | image_height = outformat->height + 1; |
| 280 | image_width = outformat->width + 1; |
| 281 | param->ext_mem_param[index].c_offset = 0; |
| 282 | param->ext_mem_param[index].flip_ofst_y = 0; |
| 283 | param->ext_mem_param[index].flip_ofst_c = 0; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 284 | if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 285 | /* YUV 420 */ |
| 286 | yuv_420 = 1; |
| 287 | bytesperpixel = 1; |
| 288 | } |
| 289 | |
| 290 | if (param->rsz_rsc_param[index].h_flip) |
| 291 | /* width * bytesperpixel - 1 */ |
| 292 | offset = (image_width * bytesperpixel) - 1; |
| 293 | if (param->rsz_rsc_param[index].v_flip) |
| 294 | offset += (image_height - 1) * |
| 295 | param->ext_mem_param[index].rsz_sdr_oft_y; |
| 296 | param->ext_mem_param[index].flip_ofst_y = offset; |
| 297 | if (!yuv_420) |
| 298 | return 0; |
| 299 | offset = 0; |
| 300 | /* half height for c-plane */ |
| 301 | if (param->rsz_rsc_param[index].h_flip) |
| 302 | /* width * bytesperpixel - 1 */ |
| 303 | offset = image_width - 1; |
| 304 | if (param->rsz_rsc_param[index].v_flip) |
| 305 | offset += (((image_height >> 1) - 1) * |
| 306 | param->ext_mem_param[index].rsz_sdr_oft_c); |
| 307 | param->ext_mem_param[index].flip_ofst_c = offset; |
| 308 | param->ext_mem_param[index].c_offset = |
| 309 | param->ext_mem_param[index].rsz_sdr_oft_y * image_height; |
| 310 | return 0; |
| 311 | } |
| 312 | |
Lad, Prabhakar | 509578f | 2014-04-29 03:49:34 -0300 | [diff] [blame] | 313 | static int resizer_configure_output_win(struct vpfe_resizer_device *resizer) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 314 | { |
| 315 | struct resizer_params *param = &resizer->config; |
| 316 | struct vpfe_rsz_output_spec output_specs; |
| 317 | struct v4l2_mbus_framefmt *outformat; |
| 318 | int line_len_c; |
| 319 | int line_len; |
| 320 | int ret; |
| 321 | |
| 322 | outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE]; |
| 323 | |
| 324 | output_specs.vst_y = param->user_config.vst; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 325 | if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 326 | output_specs.vst_c = param->user_config.vst; |
| 327 | |
| 328 | configure_resizer_out_params(resizer, RSZ_A, &output_specs, 0, 0); |
| 329 | resizer_calculate_line_length(outformat->code, |
| 330 | param->rsz_rsc_param[0].o_hsz + 1, |
| 331 | param->rsz_rsc_param[0].o_vsz + 1, |
| 332 | &line_len, &line_len_c); |
| 333 | param->ext_mem_param[0].rsz_sdr_oft_y = line_len; |
| 334 | param->ext_mem_param[0].rsz_sdr_oft_c = line_len_c; |
| 335 | resizer_calculate_resize_ratios(resizer, RSZ_A); |
| 336 | if (param->rsz_en[RSZ_B]) |
| 337 | resizer_calculate_resize_ratios(resizer, RSZ_B); |
| 338 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 339 | if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 340 | resizer_enable_422_420_conversion(param, RSZ_A, ENABLE); |
| 341 | else |
| 342 | resizer_enable_422_420_conversion(param, RSZ_A, DISABLE); |
| 343 | |
| 344 | ret = resizer_calculate_sdram_offsets(resizer, RSZ_A); |
| 345 | if (!ret && param->rsz_en[RSZ_B]) |
| 346 | ret = resizer_calculate_sdram_offsets(resizer, RSZ_B); |
| 347 | |
| 348 | if (ret) |
| 349 | pr_err("Error in calculating sdram offsets\n"); |
| 350 | return ret; |
| 351 | } |
| 352 | |
| 353 | static int |
| 354 | resizer_calculate_down_scale_f_div_param(struct device *dev, |
| 355 | int input_width, int output_width, |
| 356 | struct resizer_scale_param *param) |
| 357 | { |
| 358 | /* rsz = R, input_width = H, output width = h in the equation */ |
| 359 | unsigned int two_power; |
| 360 | unsigned int upper_h1; |
| 361 | unsigned int upper_h2; |
| 362 | unsigned int val1; |
| 363 | unsigned int val; |
| 364 | unsigned int rsz; |
| 365 | unsigned int h1; |
| 366 | unsigned int h2; |
| 367 | unsigned int o; |
| 368 | unsigned int n; |
| 369 | |
| 370 | upper_h1 = input_width >> 1; |
| 371 | n = param->h_dscale_ave_sz; |
| 372 | /* 2 ^ (scale+1) */ |
| 373 | two_power = 1 << (n + 1); |
| 374 | upper_h1 = (upper_h1 >> (n + 1)) << (n + 1); |
| 375 | upper_h2 = input_width - upper_h1; |
| 376 | if (upper_h2 % two_power) { |
| 377 | dev_err(dev, "frame halves to be a multiple of 2 power n+1\n"); |
| 378 | return -EINVAL; |
| 379 | } |
| 380 | two_power = 1 << n; |
| 381 | rsz = (input_width << 8) / output_width; |
| 382 | val = rsz * two_power; |
| 383 | val = ((upper_h1 << 8) / val) + 1; |
| 384 | if (!(val % 2)) { |
| 385 | h1 = val; |
| 386 | } else { |
| 387 | val = upper_h1 << 8; |
| 388 | val >>= n + 1; |
| 389 | val -= rsz >> 1; |
| 390 | val /= rsz << 1; |
| 391 | val <<= 1; |
| 392 | val += 2; |
| 393 | h1 = val; |
| 394 | } |
| 395 | o = 10 + (two_power << 2); |
| 396 | if (((input_width << 7) / rsz) % 2) |
| 397 | o += (((CEIL(rsz, 1024)) << 1) << n); |
| 398 | h2 = output_width - h1; |
| 399 | /* phi */ |
| 400 | val = (h1 * rsz) - (((upper_h1 - (o - 10)) / two_power) << 8); |
| 401 | /* skip */ |
| 402 | val1 = ((val - 1024) >> 9) << 1; |
| 403 | param->f_div.num_passes = MAX_PASSES; |
| 404 | param->f_div.pass[0].o_hsz = h1 - 1; |
| 405 | param->f_div.pass[0].i_hps = 0; |
| 406 | param->f_div.pass[0].h_phs = 0; |
| 407 | param->f_div.pass[0].src_hps = 0; |
| 408 | param->f_div.pass[0].src_hsz = upper_h1 + o; |
| 409 | param->f_div.pass[1].o_hsz = h2 - 1; |
| 410 | param->f_div.pass[1].i_hps = 10 + (val1 * two_power); |
| 411 | param->f_div.pass[1].h_phs = (val - (val1 << 8)); |
| 412 | param->f_div.pass[1].src_hps = upper_h1 - o; |
| 413 | param->f_div.pass[1].src_hsz = upper_h2 + o; |
| 414 | |
| 415 | return 0; |
| 416 | } |
| 417 | |
| 418 | static int |
| 419 | resizer_configure_common_in_params(struct vpfe_resizer_device *resizer) |
| 420 | { |
| 421 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 422 | struct resizer_params *param = &resizer->config; |
| 423 | struct vpfe_rsz_config_params *user_config; |
| 424 | struct v4l2_mbus_framefmt *informat; |
| 425 | |
| 426 | informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK]; |
| 427 | user_config = &resizer->config.user_config; |
| 428 | param->rsz_common.vps = param->user_config.vst; |
| 429 | param->rsz_common.hps = param->user_config.hst; |
| 430 | |
| 431 | if (vpfe_ipipeif_decimation_enabled(vpfe_dev)) |
| 432 | param->rsz_common.hsz = (((informat->width - 1) * |
| 433 | IPIPEIF_RSZ_CONST) / vpfe_ipipeif_get_rsz(vpfe_dev)); |
| 434 | else |
| 435 | param->rsz_common.hsz = informat->width - 1; |
| 436 | |
| 437 | if (informat->field == V4L2_FIELD_INTERLACED) |
| 438 | param->rsz_common.vsz = (informat->height - 1) >> 1; |
| 439 | else |
| 440 | param->rsz_common.vsz = informat->height - 1; |
| 441 | |
| 442 | param->rsz_common.raw_flip = 0; |
| 443 | |
| 444 | if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF) |
| 445 | param->rsz_common.source = IPIPEIF_DATA; |
| 446 | else |
| 447 | param->rsz_common.source = IPIPE_DATA; |
| 448 | |
| 449 | switch (informat->code) { |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 450 | case MEDIA_BUS_FMT_UYVY8_2X8: |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 451 | param->rsz_common.src_img_fmt = RSZ_IMG_422; |
| 452 | param->rsz_common.raw_flip = 0; |
| 453 | break; |
| 454 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 455 | case MEDIA_BUS_FMT_Y8_1X8: |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 456 | param->rsz_common.src_img_fmt = RSZ_IMG_420; |
| 457 | /* Select y */ |
| 458 | param->rsz_common.y_c = 0; |
| 459 | param->rsz_common.raw_flip = 0; |
| 460 | break; |
| 461 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 462 | case MEDIA_BUS_FMT_UV8_1X8: |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 463 | param->rsz_common.src_img_fmt = RSZ_IMG_420; |
| 464 | /* Select y */ |
| 465 | param->rsz_common.y_c = 1; |
| 466 | param->rsz_common.raw_flip = 0; |
| 467 | break; |
| 468 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 469 | case MEDIA_BUS_FMT_SGRBG12_1X12: |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 470 | param->rsz_common.raw_flip = 1; |
| 471 | break; |
| 472 | |
| 473 | default: |
| 474 | param->rsz_common.src_img_fmt = RSZ_IMG_422; |
| 475 | param->rsz_common.source = IPIPE_DATA; |
| 476 | } |
| 477 | |
| 478 | param->rsz_common.yuv_y_min = user_config->yuv_y_min; |
| 479 | param->rsz_common.yuv_y_max = user_config->yuv_y_max; |
| 480 | param->rsz_common.yuv_c_min = user_config->yuv_c_min; |
| 481 | param->rsz_common.yuv_c_max = user_config->yuv_c_max; |
| 482 | param->rsz_common.out_chr_pos = user_config->out_chr_pos; |
| 483 | param->rsz_common.rsz_seq_crv = user_config->chroma_sample_even; |
| 484 | |
| 485 | return 0; |
| 486 | } |
| 487 | static int |
| 488 | resizer_configure_in_continious_mode(struct vpfe_resizer_device *resizer) |
| 489 | { |
| 490 | struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev; |
| 491 | struct resizer_params *param = &resizer->config; |
| 492 | struct vpfe_rsz_config_params *cont_config; |
| 493 | int line_len_c; |
| 494 | int line_len; |
| 495 | int ret; |
| 496 | |
| 497 | if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY) { |
| 498 | dev_err(dev, "enable resizer - Resizer-A\n"); |
| 499 | return -EINVAL; |
| 500 | } |
| 501 | |
| 502 | cont_config = &resizer->config.user_config; |
| 503 | param->rsz_en[RSZ_A] = ENABLE; |
| 504 | configure_resizer_out_params(resizer, RSZ_A, |
| 505 | &cont_config->output1, 1, 0); |
| 506 | param->rsz_en[RSZ_B] = DISABLE; |
| 507 | param->oper_mode = RESIZER_MODE_CONTINIOUS; |
| 508 | |
| 509 | if (resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) { |
| 510 | struct v4l2_mbus_framefmt *outformat2; |
| 511 | |
| 512 | param->rsz_en[RSZ_B] = ENABLE; |
| 513 | outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE]; |
| 514 | ret = resizer_validate_output_image_format(dev, outformat2, |
| 515 | &line_len, &line_len_c); |
| 516 | if (ret) |
| 517 | return ret; |
| 518 | param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len; |
| 519 | param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c; |
| 520 | configure_resizer_out_params(resizer, RSZ_B, |
| 521 | &cont_config->output2, 0, 1); |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 522 | if (outformat2->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 523 | resizer_enable_422_420_conversion(param, |
| 524 | RSZ_B, ENABLE); |
| 525 | else |
| 526 | resizer_enable_422_420_conversion(param, |
| 527 | RSZ_B, DISABLE); |
| 528 | } |
| 529 | resizer_configure_common_in_params(resizer); |
| 530 | ret = resizer_configure_output_win(resizer); |
| 531 | if (ret) |
| 532 | return ret; |
| 533 | |
| 534 | param->rsz_common.passthrough = cont_config->bypass; |
| 535 | if (cont_config->bypass) |
| 536 | resizer_configure_passthru(resizer, 1); |
| 537 | |
| 538 | return 0; |
| 539 | } |
| 540 | |
| 541 | static inline int |
| 542 | resizer_validate_input_image_format(struct device *dev, |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 543 | u32 pix, |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 544 | int width, int height, int *line_len) |
| 545 | { |
| 546 | int val; |
| 547 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 548 | if (pix != MEDIA_BUS_FMT_UYVY8_2X8 && |
| 549 | pix != MEDIA_BUS_FMT_Y8_1X8 && |
| 550 | pix != MEDIA_BUS_FMT_UV8_1X8 && |
| 551 | pix != MEDIA_BUS_FMT_SGRBG12_1X12) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 552 | dev_err(dev, |
| 553 | "resizer validate output: pix format not supported, %d\n", pix); |
| 554 | return -EINVAL; |
| 555 | } |
| 556 | |
| 557 | if (!width || !height) { |
| 558 | dev_err(dev, |
| 559 | "resizer validate input: invalid width or height\n"); |
| 560 | return -EINVAL; |
| 561 | } |
| 562 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 563 | if (pix == MEDIA_BUS_FMT_UV8_1X8) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 564 | resizer_calculate_line_length(pix, width, |
| 565 | height, &val, line_len); |
| 566 | else |
| 567 | resizer_calculate_line_length(pix, width, |
| 568 | height, line_len, &val); |
| 569 | |
| 570 | return 0; |
| 571 | } |
| 572 | |
| 573 | static int |
| 574 | resizer_validate_decimation(struct device *dev, enum ipipeif_decimation dec_en, |
| 575 | unsigned char rsz, unsigned char frame_div_mode_en, |
| 576 | int width) |
| 577 | { |
| 578 | if (dec_en && frame_div_mode_en) { |
| 579 | dev_err(dev, |
| 580 | "dec_en & frame_div_mode_en can not enabled simultaneously\n"); |
| 581 | return -EINVAL; |
| 582 | } |
| 583 | |
| 584 | if (frame_div_mode_en) { |
| 585 | dev_err(dev, "frame_div_mode mode not supported\n"); |
| 586 | return -EINVAL; |
| 587 | } |
| 588 | |
| 589 | if (!dec_en) |
| 590 | return 0; |
| 591 | |
| 592 | if (width <= VPFE_IPIPE_MAX_INPUT_WIDTH) { |
| 593 | dev_err(dev, |
| 594 | "image width to be more than %d for decimation\n", |
| 595 | VPFE_IPIPE_MAX_INPUT_WIDTH); |
| 596 | return -EINVAL; |
| 597 | } |
| 598 | |
| 599 | if (rsz < IPIPEIF_RSZ_MIN || rsz > IPIPEIF_RSZ_MAX) { |
| 600 | dev_err(dev, "rsz range is %d to %d\n", |
| 601 | IPIPEIF_RSZ_MIN, IPIPEIF_RSZ_MAX); |
| 602 | return -EINVAL; |
| 603 | } |
| 604 | |
| 605 | return 0; |
| 606 | } |
| 607 | |
| 608 | /* resizer_calculate_normal_f_div_param() - Algorithm to calculate the frame |
| 609 | * division parameters for resizer. |
| 610 | * in normal mode. |
| 611 | */ |
| 612 | static int |
| 613 | resizer_calculate_normal_f_div_param(struct device *dev, int input_width, |
| 614 | int output_width, struct resizer_scale_param *param) |
| 615 | { |
| 616 | /* rsz = R, input_width = H, output width = h in the equation */ |
| 617 | unsigned int val1; |
| 618 | unsigned int rsz; |
| 619 | unsigned int val; |
| 620 | unsigned int h1; |
| 621 | unsigned int h2; |
| 622 | unsigned int o; |
| 623 | |
| 624 | if (output_width > input_width) { |
| 625 | dev_err(dev, "frame div mode is used for scale down only\n"); |
| 626 | return -EINVAL; |
| 627 | } |
| 628 | |
| 629 | rsz = (input_width << 8) / output_width; |
| 630 | val = rsz << 1; |
| 631 | val = ((input_width << 8) / val) + 1; |
| 632 | o = 14; |
| 633 | if (!(val % 2)) { |
| 634 | h1 = val; |
| 635 | } else { |
| 636 | val = (input_width << 7); |
| 637 | val -= rsz >> 1; |
| 638 | val /= rsz << 1; |
| 639 | val <<= 1; |
| 640 | val += 2; |
| 641 | o += ((CEIL(rsz, 1024)) << 1); |
| 642 | h1 = val; |
| 643 | } |
| 644 | h2 = output_width - h1; |
| 645 | /* phi */ |
| 646 | val = (h1 * rsz) - (((input_width >> 1) - o) << 8); |
| 647 | /* skip */ |
| 648 | val1 = ((val - 1024) >> 9) << 1; |
| 649 | param->f_div.num_passes = MAX_PASSES; |
| 650 | param->f_div.pass[0].o_hsz = h1 - 1; |
| 651 | param->f_div.pass[0].i_hps = 0; |
| 652 | param->f_div.pass[0].h_phs = 0; |
| 653 | param->f_div.pass[0].src_hps = 0; |
| 654 | param->f_div.pass[0].src_hsz = (input_width >> 2) + o; |
| 655 | param->f_div.pass[1].o_hsz = h2 - 1; |
| 656 | param->f_div.pass[1].i_hps = val1; |
| 657 | param->f_div.pass[1].h_phs = (val - (val1 << 8)); |
| 658 | param->f_div.pass[1].src_hps = (input_width >> 2) - o; |
| 659 | param->f_div.pass[1].src_hsz = (input_width >> 2) + o; |
| 660 | |
| 661 | return 0; |
| 662 | } |
| 663 | |
| 664 | static int |
| 665 | resizer_configure_in_single_shot_mode(struct vpfe_resizer_device *resizer) |
| 666 | { |
| 667 | struct vpfe_rsz_config_params *config = &resizer->config.user_config; |
| 668 | struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev; |
| 669 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 670 | struct v4l2_mbus_framefmt *outformat1, *outformat2; |
| 671 | struct resizer_params *param = &resizer->config; |
| 672 | struct v4l2_mbus_framefmt *informat; |
| 673 | int decimation; |
| 674 | int line_len_c; |
| 675 | int line_len; |
| 676 | int rsz; |
| 677 | int ret; |
| 678 | |
| 679 | informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK]; |
| 680 | outformat1 = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE]; |
| 681 | outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE]; |
| 682 | |
| 683 | decimation = vpfe_ipipeif_decimation_enabled(vpfe_dev); |
| 684 | rsz = vpfe_ipipeif_get_rsz(vpfe_dev); |
| 685 | if (decimation && param->user_config.frame_div_mode_en) { |
| 686 | dev_err(dev, |
| 687 | "dec_en & frame_div_mode_en cannot enabled simultaneously\n"); |
| 688 | return -EINVAL; |
| 689 | } |
| 690 | |
| 691 | ret = resizer_validate_decimation(dev, decimation, rsz, |
| 692 | param->user_config.frame_div_mode_en, informat->width); |
| 693 | if (ret) |
| 694 | return -EINVAL; |
| 695 | |
| 696 | ret = resizer_validate_input_image_format(dev, informat->code, |
| 697 | informat->width, informat->height, &line_len); |
| 698 | if (ret) |
| 699 | return -EINVAL; |
| 700 | |
| 701 | if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) { |
| 702 | param->rsz_en[RSZ_A] = ENABLE; |
| 703 | ret = resizer_validate_output_image_format(dev, outformat1, |
| 704 | &line_len, &line_len_c); |
| 705 | if (ret) |
| 706 | return ret; |
| 707 | param->ext_mem_param[RSZ_A].rsz_sdr_oft_y = line_len; |
| 708 | param->ext_mem_param[RSZ_A].rsz_sdr_oft_c = line_len_c; |
| 709 | configure_resizer_out_params(resizer, RSZ_A, |
| 710 | ¶m->user_config.output1, 0, 1); |
| 711 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 712 | if (outformat1->code == MEDIA_BUS_FMT_SGRBG12_1X12) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 713 | param->rsz_common.raw_flip = 1; |
| 714 | else |
| 715 | param->rsz_common.raw_flip = 0; |
| 716 | |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 717 | if (outformat1->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 718 | resizer_enable_422_420_conversion(param, |
| 719 | RSZ_A, ENABLE); |
| 720 | else |
| 721 | resizer_enable_422_420_conversion(param, |
| 722 | RSZ_A, DISABLE); |
| 723 | } |
| 724 | |
| 725 | if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) { |
| 726 | param->rsz_en[RSZ_B] = ENABLE; |
| 727 | ret = resizer_validate_output_image_format(dev, outformat2, |
| 728 | &line_len, &line_len_c); |
| 729 | if (ret) |
| 730 | return ret; |
| 731 | param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len; |
| 732 | param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c; |
| 733 | configure_resizer_out_params(resizer, RSZ_B, |
| 734 | ¶m->user_config.output2, 0, 1); |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 735 | if (outformat2->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 736 | resizer_enable_422_420_conversion(param, |
| 737 | RSZ_B, ENABLE); |
| 738 | else |
| 739 | resizer_enable_422_420_conversion(param, |
| 740 | RSZ_B, DISABLE); |
| 741 | } |
| 742 | |
| 743 | resizer_configure_common_in_params(resizer); |
| 744 | if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) { |
| 745 | resizer_calculate_resize_ratios(resizer, RSZ_A); |
| 746 | resizer_calculate_sdram_offsets(resizer, RSZ_A); |
| 747 | /* Overriding resize ratio calculation */ |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 748 | if (informat->code == MEDIA_BUS_FMT_UV8_1X8) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 749 | param->rsz_rsc_param[RSZ_A].v_dif = |
| 750 | (((informat->height + 1) * 2) * 256) / |
| 751 | (param->rsz_rsc_param[RSZ_A].o_vsz + 1); |
| 752 | } |
| 753 | } |
| 754 | |
| 755 | if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) { |
| 756 | resizer_calculate_resize_ratios(resizer, RSZ_B); |
| 757 | resizer_calculate_sdram_offsets(resizer, RSZ_B); |
| 758 | /* Overriding resize ratio calculation */ |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 759 | if (informat->code == MEDIA_BUS_FMT_UV8_1X8) { |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 760 | param->rsz_rsc_param[RSZ_B].v_dif = |
| 761 | (((informat->height + 1) * 2) * 256) / |
| 762 | (param->rsz_rsc_param[RSZ_B].o_vsz + 1); |
| 763 | } |
| 764 | } |
| 765 | if (param->user_config.frame_div_mode_en && |
| 766 | param->rsz_en[RSZ_A]) { |
| 767 | if (!param->rsz_rsc_param[RSZ_A].dscale_en) |
| 768 | ret = resizer_calculate_normal_f_div_param(dev, |
| 769 | informat->width, |
| 770 | param->rsz_rsc_param[RSZ_A].o_vsz + 1, |
| 771 | ¶m->rsz_rsc_param[RSZ_A]); |
| 772 | else |
| 773 | ret = resizer_calculate_down_scale_f_div_param(dev, |
| 774 | informat->width, |
| 775 | param->rsz_rsc_param[RSZ_A].o_vsz + 1, |
| 776 | ¶m->rsz_rsc_param[RSZ_A]); |
| 777 | if (ret) |
| 778 | return -EINVAL; |
| 779 | } |
| 780 | if (param->user_config.frame_div_mode_en && |
| 781 | param->rsz_en[RSZ_B]) { |
| 782 | if (!param->rsz_rsc_param[RSZ_B].dscale_en) |
| 783 | ret = resizer_calculate_normal_f_div_param(dev, |
| 784 | informat->width, |
| 785 | param->rsz_rsc_param[RSZ_B].o_vsz + 1, |
| 786 | ¶m->rsz_rsc_param[RSZ_B]); |
| 787 | else |
| 788 | ret = resizer_calculate_down_scale_f_div_param(dev, |
| 789 | informat->width, |
| 790 | param->rsz_rsc_param[RSZ_B].o_vsz + 1, |
| 791 | ¶m->rsz_rsc_param[RSZ_B]); |
| 792 | if (ret) |
| 793 | return -EINVAL; |
| 794 | } |
| 795 | param->rsz_common.passthrough = config->bypass; |
| 796 | if (config->bypass) |
| 797 | resizer_configure_passthru(resizer, 1); |
| 798 | return 0; |
| 799 | } |
| 800 | |
| 801 | static void |
| 802 | resizer_set_defualt_configuration(struct vpfe_resizer_device *resizer) |
| 803 | { |
| 804 | #define WIDTH_I 640 |
| 805 | #define HEIGHT_I 480 |
| 806 | #define WIDTH_O 640 |
| 807 | #define HEIGHT_O 480 |
| 808 | const struct resizer_params rsz_default_config = { |
| 809 | .oper_mode = RESIZER_MODE_ONE_SHOT, |
| 810 | .rsz_common = { |
| 811 | .vsz = HEIGHT_I - 1, |
| 812 | .hsz = WIDTH_I - 1, |
| 813 | .src_img_fmt = RSZ_IMG_422, |
| 814 | .raw_flip = 1, /* flip preserve Raw format */ |
| 815 | .source = IPIPE_DATA, |
| 816 | .passthrough = BYPASS_OFF, |
| 817 | .yuv_y_max = 255, |
| 818 | .yuv_c_max = 255, |
| 819 | .rsz_seq_crv = DISABLE, |
| 820 | .out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE, |
| 821 | }, |
| 822 | .rsz_rsc_param = { |
| 823 | { |
| 824 | .h_flip = DISABLE, |
| 825 | .v_flip = DISABLE, |
| 826 | .cen = DISABLE, |
| 827 | .yen = DISABLE, |
| 828 | .o_vsz = HEIGHT_O - 1, |
| 829 | .o_hsz = WIDTH_O - 1, |
| 830 | .v_dif = 256, |
| 831 | .v_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 832 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 833 | .h_dif = 256, |
| 834 | .h_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 835 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 836 | .h_dscale_ave_sz = |
| 837 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 838 | .v_dscale_ave_sz = |
| 839 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 840 | }, |
| 841 | { |
| 842 | .h_flip = DISABLE, |
| 843 | .v_flip = DISABLE, |
| 844 | .cen = DISABLE, |
| 845 | .yen = DISABLE, |
| 846 | .o_vsz = HEIGHT_O - 1, |
| 847 | .o_hsz = WIDTH_O - 1, |
| 848 | .v_dif = 256, |
| 849 | .v_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 850 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 851 | .h_dif = 256, |
| 852 | .h_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 853 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 854 | .h_dscale_ave_sz = |
| 855 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 856 | .v_dscale_ave_sz = |
| 857 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 858 | }, |
| 859 | }, |
| 860 | .rsz2rgb = { |
| 861 | { |
| 862 | .rgb_en = DISABLE |
| 863 | }, |
| 864 | { |
| 865 | .rgb_en = DISABLE |
| 866 | } |
| 867 | }, |
| 868 | .ext_mem_param = { |
| 869 | { |
| 870 | .rsz_sdr_oft_y = WIDTH_O << 1, |
| 871 | .rsz_sdr_ptr_e_y = HEIGHT_O, |
| 872 | .rsz_sdr_oft_c = WIDTH_O, |
| 873 | .rsz_sdr_ptr_e_c = HEIGHT_O >> 1, |
| 874 | }, |
| 875 | { |
| 876 | .rsz_sdr_oft_y = WIDTH_O << 1, |
| 877 | .rsz_sdr_ptr_e_y = HEIGHT_O, |
| 878 | .rsz_sdr_oft_c = WIDTH_O, |
| 879 | .rsz_sdr_ptr_e_c = HEIGHT_O, |
| 880 | }, |
| 881 | }, |
| 882 | .rsz_en[0] = ENABLE, |
| 883 | .rsz_en[1] = DISABLE, |
| 884 | .user_config = { |
| 885 | .output1 = { |
| 886 | .v_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 887 | .v_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 888 | .h_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 889 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 890 | .h_dscale_ave_sz = |
| 891 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 892 | .v_dscale_ave_sz = |
| 893 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 894 | }, |
| 895 | .output2 = { |
| 896 | .v_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 897 | .v_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 898 | .h_typ_y = VPFE_RSZ_INTP_CUBIC, |
| 899 | .h_typ_c = VPFE_RSZ_INTP_CUBIC, |
| 900 | .h_dscale_ave_sz = |
| 901 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 902 | .v_dscale_ave_sz = |
| 903 | VPFE_IPIPE_DWN_SCALE_1_OVER_2, |
| 904 | }, |
| 905 | .yuv_y_max = 255, |
| 906 | .yuv_c_max = 255, |
| 907 | .out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE, |
| 908 | }, |
| 909 | }; |
| 910 | memset(&resizer->config, 0, sizeof(struct resizer_params)); |
| 911 | memcpy(&resizer->config, &rsz_default_config, |
| 912 | sizeof(struct resizer_params)); |
| 913 | } |
| 914 | |
| 915 | /* |
| 916 | * resizer_set_configuration() - set resizer config |
| 917 | * @resizer: vpfe resizer device pointer. |
| 918 | * @chan_config: resizer channel configuration. |
| 919 | */ |
| 920 | static int |
| 921 | resizer_set_configuration(struct vpfe_resizer_device *resizer, |
| 922 | struct vpfe_rsz_config *chan_config) |
| 923 | { |
| 924 | if (!chan_config->config) |
| 925 | resizer_set_defualt_configuration(resizer); |
| 926 | else |
| 927 | if (copy_from_user(&resizer->config.user_config, |
| 928 | chan_config->config, sizeof(struct vpfe_rsz_config_params))) |
| 929 | return -EFAULT; |
| 930 | |
| 931 | return 0; |
| 932 | } |
| 933 | |
| 934 | /* |
| 935 | * resizer_get_configuration() - get resizer config |
| 936 | * @resizer: vpfe resizer device pointer. |
| 937 | * @channel: image processor logical channel. |
| 938 | * @chan_config: resizer channel configuration. |
| 939 | */ |
| 940 | static int |
| 941 | resizer_get_configuration(struct vpfe_resizer_device *resizer, |
| 942 | struct vpfe_rsz_config *chan_config) |
| 943 | { |
| 944 | struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev; |
| 945 | |
| 946 | if (!chan_config->config) { |
| 947 | dev_err(dev, "Resizer channel invalid pointer\n"); |
| 948 | return -EINVAL; |
| 949 | } |
| 950 | |
| 951 | if (copy_to_user((void *)chan_config->config, |
| 952 | (void *)&resizer->config.user_config, |
| 953 | sizeof(struct vpfe_rsz_config_params))) { |
| 954 | dev_err(dev, "resizer_get_configuration: Error in copy to user\n"); |
| 955 | return -EFAULT; |
| 956 | } |
| 957 | |
| 958 | return 0; |
| 959 | } |
| 960 | |
| 961 | /* |
| 962 | * VPFE video operations |
| 963 | */ |
| 964 | |
| 965 | /* |
| 966 | * resizer_a_video_out_queue() - RESIZER-A video out queue |
| 967 | * @vpfe_dev: vpfe device pointer. |
| 968 | * @addr: buffer address. |
| 969 | */ |
| 970 | static int resizer_a_video_out_queue(struct vpfe_device *vpfe_dev, |
| 971 | unsigned long addr) |
| 972 | { |
| 973 | struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer; |
| 974 | |
| 975 | return resizer_set_outaddr(resizer->base_addr, |
| 976 | &resizer->config, RSZ_A, addr); |
| 977 | } |
| 978 | |
| 979 | /* |
| 980 | * resizer_b_video_out_queue() - RESIZER-B video out queue |
| 981 | * @vpfe_dev: vpfe device pointer. |
| 982 | * @addr: buffer address. |
| 983 | */ |
| 984 | static int resizer_b_video_out_queue(struct vpfe_device *vpfe_dev, |
| 985 | unsigned long addr) |
| 986 | { |
| 987 | struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer; |
| 988 | |
| 989 | return resizer_set_outaddr(resizer->base_addr, |
| 990 | &resizer->config, RSZ_B, addr); |
| 991 | } |
| 992 | |
| 993 | static const struct vpfe_video_operations resizer_a_video_ops = { |
| 994 | .queue = resizer_a_video_out_queue, |
| 995 | }; |
| 996 | |
| 997 | static const struct vpfe_video_operations resizer_b_video_ops = { |
| 998 | .queue = resizer_b_video_out_queue, |
| 999 | }; |
| 1000 | |
| 1001 | static void resizer_enable(struct vpfe_resizer_device *resizer, int en) |
| 1002 | { |
| 1003 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1004 | u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input; |
| 1005 | unsigned char val; |
| 1006 | |
| 1007 | if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE) |
| 1008 | return; |
| 1009 | |
| 1010 | if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF && |
| 1011 | ipipeif_sink == IPIPEIF_INPUT_MEMORY) { |
| 1012 | do { |
| 1013 | val = regr_rsz(resizer->base_addr, RSZ_SRC_EN); |
| 1014 | } while (val); |
| 1015 | |
| 1016 | if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) { |
| 1017 | do { |
| 1018 | val = regr_rsz(resizer->base_addr, RSZ_A); |
| 1019 | } while (val); |
| 1020 | } |
| 1021 | if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) { |
| 1022 | do { |
| 1023 | val = regr_rsz(resizer->base_addr, RSZ_B); |
| 1024 | } while (val); |
| 1025 | } |
| 1026 | } |
| 1027 | if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) |
| 1028 | rsz_enable(resizer->base_addr, RSZ_A, en); |
| 1029 | |
| 1030 | if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) |
| 1031 | rsz_enable(resizer->base_addr, RSZ_B, en); |
| 1032 | } |
| 1033 | |
| 1034 | |
| 1035 | /* |
| 1036 | * resizer_ss_isr() - resizer module single-shot buffer scheduling isr |
| 1037 | * @resizer: vpfe resizer device pointer. |
| 1038 | */ |
| 1039 | static void resizer_ss_isr(struct vpfe_resizer_device *resizer) |
| 1040 | { |
| 1041 | struct vpfe_video_device *video_out = &resizer->resizer_a.video_out; |
| 1042 | struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out; |
| 1043 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1044 | struct vpfe_pipeline *pipe = &video_out->pipe; |
| 1045 | u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input; |
| 1046 | u32 val; |
| 1047 | |
| 1048 | if (ipipeif_sink != IPIPEIF_INPUT_MEMORY) |
| 1049 | return; |
| 1050 | |
| 1051 | if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) { |
| 1052 | val = vpss_dma_complete_interrupt(); |
| 1053 | if (val != 0 && val != 2) |
| 1054 | return; |
| 1055 | } |
| 1056 | |
| 1057 | if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) { |
| 1058 | spin_lock(&video_out->dma_queue_lock); |
| 1059 | vpfe_video_process_buffer_complete(video_out); |
| 1060 | video_out->state = VPFE_VIDEO_BUFFER_NOT_QUEUED; |
| 1061 | vpfe_video_schedule_next_buffer(video_out); |
| 1062 | spin_unlock(&video_out->dma_queue_lock); |
| 1063 | } |
| 1064 | |
| 1065 | /* If resizer B is enabled */ |
| 1066 | if (pipe->output_num > 1 && resizer->resizer_b.output == |
| 1067 | RESIZER_OUPUT_MEMORY) { |
| 1068 | spin_lock(&video_out->dma_queue_lock); |
| 1069 | vpfe_video_process_buffer_complete(video_out2); |
| 1070 | video_out2->state = VPFE_VIDEO_BUFFER_NOT_QUEUED; |
| 1071 | vpfe_video_schedule_next_buffer(video_out2); |
| 1072 | spin_unlock(&video_out2->dma_queue_lock); |
| 1073 | } |
| 1074 | |
| 1075 | /* start HW if buffers are queued */ |
| 1076 | if (vpfe_video_is_pipe_ready(pipe) && |
| 1077 | resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) { |
| 1078 | resizer_enable(resizer, 1); |
| 1079 | vpfe_ipipe_enable(vpfe_dev, 1); |
| 1080 | vpfe_ipipeif_enable(vpfe_dev); |
| 1081 | } |
| 1082 | } |
| 1083 | |
| 1084 | /* |
| 1085 | * vpfe_resizer_buffer_isr() - resizer module buffer scheduling isr |
| 1086 | * @resizer: vpfe resizer device pointer. |
| 1087 | */ |
| 1088 | void vpfe_resizer_buffer_isr(struct vpfe_resizer_device *resizer) |
| 1089 | { |
| 1090 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1091 | struct vpfe_video_device *video_out = &resizer->resizer_a.video_out; |
| 1092 | struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out; |
| 1093 | struct vpfe_pipeline *pipe = &resizer->resizer_a.video_out.pipe; |
| 1094 | enum v4l2_field field; |
| 1095 | int fid; |
| 1096 | |
| 1097 | if (!video_out->started) |
| 1098 | return; |
| 1099 | |
| 1100 | if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE) |
| 1101 | return; |
| 1102 | |
| 1103 | field = video_out->fmt.fmt.pix.field; |
| 1104 | if (field == V4L2_FIELD_NONE) { |
| 1105 | /* handle progressive frame capture */ |
| 1106 | if (video_out->cur_frm != video_out->next_frm) { |
| 1107 | vpfe_video_process_buffer_complete(video_out); |
| 1108 | if (pipe->output_num > 1) |
| 1109 | vpfe_video_process_buffer_complete(video_out2); |
| 1110 | } |
| 1111 | |
| 1112 | video_out->skip_frame_count--; |
| 1113 | if (!video_out->skip_frame_count) { |
| 1114 | video_out->skip_frame_count = |
| 1115 | video_out->skip_frame_count_init; |
| 1116 | rsz_src_enable(resizer->base_addr, 1); |
| 1117 | } else { |
| 1118 | rsz_src_enable(resizer->base_addr, 0); |
| 1119 | } |
| 1120 | return; |
| 1121 | } |
| 1122 | |
| 1123 | /* handle interlaced frame capture */ |
| 1124 | fid = vpfe_isif_get_fid(vpfe_dev); |
| 1125 | |
| 1126 | /* switch the software maintained field id */ |
| 1127 | video_out->field_id ^= 1; |
| 1128 | if (fid == video_out->field_id) { |
| 1129 | /* |
| 1130 | * we are in-sync here,continue. |
| 1131 | * One frame is just being captured. If the |
| 1132 | * next frame is available, release the current |
| 1133 | * frame and move on |
| 1134 | */ |
| 1135 | if (fid == 0 && video_out->cur_frm != video_out->next_frm) { |
| 1136 | vpfe_video_process_buffer_complete(video_out); |
| 1137 | if (pipe->output_num > 1) |
| 1138 | vpfe_video_process_buffer_complete(video_out2); |
| 1139 | } |
| 1140 | } else if (fid == 0) { |
| 1141 | /* |
| 1142 | * out of sync. Recover from any hardware out-of-sync. |
| 1143 | * May loose one frame |
| 1144 | */ |
| 1145 | video_out->field_id = fid; |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | /* |
| 1150 | * vpfe_resizer_dma_isr() - resizer module dma isr |
| 1151 | * @resizer: vpfe resizer device pointer. |
| 1152 | */ |
| 1153 | void vpfe_resizer_dma_isr(struct vpfe_resizer_device *resizer) |
| 1154 | { |
| 1155 | struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out; |
| 1156 | struct vpfe_video_device *video_out = &resizer->resizer_a.video_out; |
| 1157 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1158 | struct vpfe_pipeline *pipe = &video_out->pipe; |
| 1159 | int schedule_capture = 0; |
| 1160 | enum v4l2_field field; |
| 1161 | int fid; |
| 1162 | |
| 1163 | if (!video_out->started) |
| 1164 | return; |
| 1165 | |
| 1166 | if (pipe->state == VPFE_PIPELINE_STREAM_SINGLESHOT) { |
| 1167 | resizer_ss_isr(resizer); |
| 1168 | return; |
| 1169 | } |
| 1170 | |
| 1171 | field = video_out->fmt.fmt.pix.field; |
| 1172 | if (field == V4L2_FIELD_NONE) { |
| 1173 | if (!list_empty(&video_out->dma_queue) && |
| 1174 | video_out->cur_frm == video_out->next_frm) |
| 1175 | schedule_capture = 1; |
| 1176 | } else { |
| 1177 | fid = vpfe_isif_get_fid(vpfe_dev); |
| 1178 | if (fid == video_out->field_id) { |
| 1179 | /* we are in-sync here,continue */ |
| 1180 | if (fid == 1 && !list_empty(&video_out->dma_queue) && |
| 1181 | video_out->cur_frm == video_out->next_frm) |
| 1182 | schedule_capture = 1; |
| 1183 | } |
| 1184 | } |
| 1185 | |
| 1186 | if (!schedule_capture) |
| 1187 | return; |
| 1188 | |
| 1189 | spin_lock(&video_out->dma_queue_lock); |
| 1190 | vpfe_video_schedule_next_buffer(video_out); |
| 1191 | spin_unlock(&video_out->dma_queue_lock); |
| 1192 | if (pipe->output_num > 1) { |
| 1193 | spin_lock(&video_out2->dma_queue_lock); |
| 1194 | vpfe_video_schedule_next_buffer(video_out2); |
| 1195 | spin_unlock(&video_out2->dma_queue_lock); |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | /* |
| 1200 | * V4L2 subdev operations |
| 1201 | */ |
| 1202 | |
| 1203 | /* |
| 1204 | * resizer_ioctl() - Handle resizer module private ioctl's |
| 1205 | * @sd: pointer to v4l2 subdev structure |
| 1206 | * @cmd: configuration command |
| 1207 | * @arg: configuration argument |
| 1208 | */ |
| 1209 | static long resizer_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg) |
| 1210 | { |
| 1211 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1212 | struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev; |
| 1213 | struct vpfe_rsz_config *user_config; |
| 1214 | int ret = -ENOIOCTLCMD; |
| 1215 | |
| 1216 | if (&resizer->crop_resizer.subdev != sd) |
| 1217 | return ret; |
| 1218 | |
| 1219 | switch (cmd) { |
| 1220 | case VIDIOC_VPFE_RSZ_S_CONFIG: |
| 1221 | user_config = (struct vpfe_rsz_config *)arg; |
| 1222 | ret = resizer_set_configuration(resizer, user_config); |
| 1223 | break; |
| 1224 | |
| 1225 | case VIDIOC_VPFE_RSZ_G_CONFIG: |
| 1226 | user_config = (struct vpfe_rsz_config *)arg; |
| 1227 | if (!user_config->config) { |
| 1228 | dev_err(dev, "error in VIDIOC_VPFE_RSZ_G_CONFIG\n"); |
| 1229 | return -EINVAL; |
| 1230 | } |
| 1231 | ret = resizer_get_configuration(resizer, user_config); |
| 1232 | break; |
| 1233 | } |
| 1234 | return ret; |
| 1235 | } |
| 1236 | |
| 1237 | static int resizer_do_hw_setup(struct vpfe_resizer_device *resizer) |
| 1238 | { |
| 1239 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1240 | u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input; |
| 1241 | u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output; |
| 1242 | struct resizer_params *param = &resizer->config; |
| 1243 | int ret = 0; |
| 1244 | |
| 1245 | if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY || |
| 1246 | resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) { |
| 1247 | if (ipipeif_sink == IPIPEIF_INPUT_MEMORY && |
| 1248 | ipipeif_source == IPIPEIF_OUTPUT_RESIZER) |
| 1249 | ret = resizer_configure_in_single_shot_mode(resizer); |
| 1250 | else |
| 1251 | ret = resizer_configure_in_continious_mode(resizer); |
| 1252 | if (ret) |
| 1253 | return ret; |
| 1254 | ret = config_rsz_hw(resizer, param); |
| 1255 | } |
| 1256 | return ret; |
| 1257 | } |
| 1258 | |
| 1259 | /* |
| 1260 | * resizer_set_stream() - Enable/Disable streaming on resizer subdev |
| 1261 | * @sd: pointer to v4l2 subdev structure |
| 1262 | * @enable: 1 == Enable, 0 == Disable |
| 1263 | */ |
| 1264 | static int resizer_set_stream(struct v4l2_subdev *sd, int enable) |
| 1265 | { |
| 1266 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1267 | |
| 1268 | if (&resizer->crop_resizer.subdev != sd) |
| 1269 | return 0; |
| 1270 | |
| 1271 | if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY) |
| 1272 | return 0; |
| 1273 | |
| 1274 | switch (enable) { |
| 1275 | case 1: |
| 1276 | if (resizer_do_hw_setup(resizer) < 0) |
| 1277 | return -EINVAL; |
| 1278 | resizer_enable(resizer, enable); |
| 1279 | break; |
| 1280 | |
| 1281 | case 0: |
| 1282 | resizer_enable(resizer, enable); |
| 1283 | break; |
| 1284 | } |
| 1285 | |
| 1286 | return 0; |
| 1287 | } |
| 1288 | |
| 1289 | /* |
| 1290 | * __resizer_get_format() - helper function for getting resizer format |
| 1291 | * @sd: pointer to subdev. |
| 1292 | * @fh: V4L2 subdev file handle. |
| 1293 | * @pad: pad number. |
| 1294 | * @which: wanted subdev format. |
| 1295 | * Retun wanted mbus frame format. |
| 1296 | */ |
| 1297 | static struct v4l2_mbus_framefmt * |
| 1298 | __resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, |
| 1299 | unsigned int pad, enum v4l2_subdev_format_whence which) |
| 1300 | { |
| 1301 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1302 | |
| 1303 | if (which == V4L2_SUBDEV_FORMAT_TRY) |
| 1304 | return v4l2_subdev_get_try_format(fh, pad); |
| 1305 | if (&resizer->crop_resizer.subdev == sd) |
| 1306 | return &resizer->crop_resizer.formats[pad]; |
| 1307 | if (&resizer->resizer_a.subdev == sd) |
| 1308 | return &resizer->resizer_a.formats[pad]; |
| 1309 | if (&resizer->resizer_b.subdev == sd) |
| 1310 | return &resizer->resizer_b.formats[pad]; |
| 1311 | return NULL; |
| 1312 | } |
| 1313 | |
| 1314 | /* |
| 1315 | * resizer_try_format() - Handle try format by pad subdev method |
| 1316 | * @sd: pointer to subdev. |
| 1317 | * @fh: V4L2 subdev file handle. |
| 1318 | * @pad: pad num. |
| 1319 | * @fmt: pointer to v4l2 format structure. |
| 1320 | * @which: wanted subdev format. |
| 1321 | */ |
| 1322 | static void |
| 1323 | resizer_try_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, |
| 1324 | unsigned int pad, struct v4l2_mbus_framefmt *fmt, |
| 1325 | enum v4l2_subdev_format_whence which) |
| 1326 | { |
| 1327 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1328 | unsigned int max_out_height; |
| 1329 | unsigned int max_out_width; |
| 1330 | unsigned int i; |
| 1331 | |
| 1332 | if ((&resizer->resizer_a.subdev == sd && pad == RESIZER_PAD_SINK) || |
| 1333 | (&resizer->resizer_b.subdev == sd && pad == RESIZER_PAD_SINK) || |
| 1334 | (&resizer->crop_resizer.subdev == sd && |
| 1335 | (pad == RESIZER_CROP_PAD_SOURCE || |
| 1336 | pad == RESIZER_CROP_PAD_SOURCE2 || pad == RESIZER_CROP_PAD_SINK))) { |
| 1337 | for (i = 0; i < ARRAY_SIZE(resizer_input_formats); i++) { |
| 1338 | if (fmt->code == resizer_input_formats[i]) |
| 1339 | break; |
| 1340 | } |
| 1341 | /* If not found, use UYVY as default */ |
| 1342 | if (i >= ARRAY_SIZE(resizer_input_formats)) |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1343 | fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1344 | |
| 1345 | fmt->width = clamp_t(u32, fmt->width, MIN_IN_WIDTH, |
| 1346 | MAX_IN_WIDTH); |
| 1347 | fmt->height = clamp_t(u32, fmt->height, MIN_IN_HEIGHT, |
| 1348 | MAX_IN_HEIGHT); |
| 1349 | } else if (&resizer->resizer_a.subdev == sd && |
| 1350 | pad == RESIZER_PAD_SOURCE) { |
| 1351 | max_out_width = IPIPE_MAX_OUTPUT_WIDTH_A; |
| 1352 | max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_A; |
| 1353 | |
| 1354 | for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) { |
| 1355 | if (fmt->code == resizer_output_formats[i]) |
| 1356 | break; |
| 1357 | } |
| 1358 | /* If not found, use UYVY as default */ |
| 1359 | if (i >= ARRAY_SIZE(resizer_output_formats)) |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1360 | fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1361 | |
| 1362 | fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH, |
| 1363 | max_out_width); |
| 1364 | fmt->width &= ~15; |
| 1365 | fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT, |
| 1366 | max_out_height); |
| 1367 | } else if (&resizer->resizer_b.subdev == sd && |
| 1368 | pad == RESIZER_PAD_SOURCE) { |
| 1369 | max_out_width = IPIPE_MAX_OUTPUT_WIDTH_B; |
| 1370 | max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_B; |
| 1371 | |
| 1372 | for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) { |
| 1373 | if (fmt->code == resizer_output_formats[i]) |
| 1374 | break; |
| 1375 | } |
| 1376 | /* If not found, use UYVY as default */ |
| 1377 | if (i >= ARRAY_SIZE(resizer_output_formats)) |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1378 | fmt->code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1379 | |
| 1380 | fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH, |
| 1381 | max_out_width); |
| 1382 | fmt->width &= ~15; |
| 1383 | fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT, |
| 1384 | max_out_height); |
| 1385 | } |
| 1386 | } |
| 1387 | |
| 1388 | /* |
| 1389 | * resizer_set_format() - Handle set format by pads subdev method |
| 1390 | * @sd: pointer to v4l2 subdev structure |
| 1391 | * @fh: V4L2 subdev file handle |
| 1392 | * @fmt: pointer to v4l2 subdev format structure |
| 1393 | * return -EINVAL or zero on success |
| 1394 | */ |
| 1395 | static int resizer_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, |
| 1396 | struct v4l2_subdev_format *fmt) |
| 1397 | { |
| 1398 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1399 | struct v4l2_mbus_framefmt *format; |
| 1400 | |
| 1401 | format = __resizer_get_format(sd, fh, fmt->pad, fmt->which); |
| 1402 | if (format == NULL) |
| 1403 | return -EINVAL; |
| 1404 | |
| 1405 | resizer_try_format(sd, fh, fmt->pad, &fmt->format, fmt->which); |
| 1406 | *format = fmt->format; |
| 1407 | |
| 1408 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) |
| 1409 | return 0; |
| 1410 | |
| 1411 | if (&resizer->crop_resizer.subdev == sd) { |
| 1412 | if (fmt->pad == RESIZER_CROP_PAD_SINK) { |
| 1413 | resizer->crop_resizer.formats[fmt->pad] = fmt->format; |
| 1414 | } else if (fmt->pad == RESIZER_CROP_PAD_SOURCE && |
| 1415 | resizer->crop_resizer.output == RESIZER_A) { |
| 1416 | resizer->crop_resizer.formats[fmt->pad] = fmt->format; |
| 1417 | resizer->crop_resizer. |
| 1418 | formats[RESIZER_CROP_PAD_SOURCE2] = fmt->format; |
| 1419 | } else if (fmt->pad == RESIZER_CROP_PAD_SOURCE2 && |
| 1420 | resizer->crop_resizer.output2 == RESIZER_B) { |
| 1421 | resizer->crop_resizer.formats[fmt->pad] = fmt->format; |
| 1422 | resizer->crop_resizer. |
| 1423 | formats[RESIZER_CROP_PAD_SOURCE] = fmt->format; |
| 1424 | } else { |
| 1425 | return -EINVAL; |
| 1426 | } |
| 1427 | } else if (&resizer->resizer_a.subdev == sd) { |
| 1428 | if (fmt->pad == RESIZER_PAD_SINK) |
| 1429 | resizer->resizer_a.formats[fmt->pad] = fmt->format; |
| 1430 | else if (fmt->pad == RESIZER_PAD_SOURCE) |
| 1431 | resizer->resizer_a.formats[fmt->pad] = fmt->format; |
| 1432 | else |
| 1433 | return -EINVAL; |
| 1434 | } else if (&resizer->resizer_b.subdev == sd) { |
| 1435 | if (fmt->pad == RESIZER_PAD_SINK) |
| 1436 | resizer->resizer_b.formats[fmt->pad] = fmt->format; |
| 1437 | else if (fmt->pad == RESIZER_PAD_SOURCE) |
| 1438 | resizer->resizer_b.formats[fmt->pad] = fmt->format; |
| 1439 | else |
| 1440 | return -EINVAL; |
| 1441 | } else { |
| 1442 | return -EINVAL; |
| 1443 | } |
| 1444 | |
| 1445 | return 0; |
| 1446 | } |
| 1447 | |
| 1448 | /* |
| 1449 | * resizer_get_format() - Retrieve the video format on a pad |
| 1450 | * @sd: pointer to v4l2 subdev structure. |
| 1451 | * @fh: V4L2 subdev file handle. |
| 1452 | * @fmt: pointer to v4l2 subdev format structure |
| 1453 | * return -EINVAL or zero on success |
| 1454 | */ |
| 1455 | static int resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh, |
| 1456 | struct v4l2_subdev_format *fmt) |
| 1457 | { |
| 1458 | struct v4l2_mbus_framefmt *format; |
| 1459 | |
| 1460 | format = __resizer_get_format(sd, fh, fmt->pad, fmt->which); |
| 1461 | if (format == NULL) |
| 1462 | return -EINVAL; |
| 1463 | |
| 1464 | fmt->format = *format; |
| 1465 | |
| 1466 | return 0; |
| 1467 | } |
| 1468 | |
| 1469 | /* |
| 1470 | * resizer_enum_frame_size() - enum frame sizes on pads |
| 1471 | * @sd: Pointer to subdevice. |
| 1472 | * @fh: V4L2 subdev file handle. |
| 1473 | * @code: pointer to v4l2_subdev_frame_size_enum structure. |
| 1474 | */ |
| 1475 | static int resizer_enum_frame_size(struct v4l2_subdev *sd, |
| 1476 | struct v4l2_subdev_fh *fh, |
| 1477 | struct v4l2_subdev_frame_size_enum *fse) |
| 1478 | { |
| 1479 | struct v4l2_mbus_framefmt format; |
| 1480 | |
| 1481 | if (fse->index != 0) |
| 1482 | return -EINVAL; |
| 1483 | |
| 1484 | format.code = fse->code; |
| 1485 | format.width = 1; |
| 1486 | format.height = 1; |
| 1487 | resizer_try_format(sd, fh, fse->pad, &format, |
| 1488 | V4L2_SUBDEV_FORMAT_TRY); |
| 1489 | fse->min_width = format.width; |
| 1490 | fse->min_height = format.height; |
| 1491 | |
| 1492 | if (format.code != fse->code) |
| 1493 | return -EINVAL; |
| 1494 | |
| 1495 | format.code = fse->code; |
| 1496 | format.width = -1; |
| 1497 | format.height = -1; |
| 1498 | resizer_try_format(sd, fh, fse->pad, &format, |
| 1499 | V4L2_SUBDEV_FORMAT_TRY); |
| 1500 | fse->max_width = format.width; |
| 1501 | fse->max_height = format.height; |
| 1502 | |
| 1503 | return 0; |
| 1504 | } |
| 1505 | |
| 1506 | /* |
| 1507 | * resizer_enum_mbus_code() - enum mbus codes for pads |
| 1508 | * @sd: Pointer to subdevice. |
| 1509 | * @fh: V4L2 subdev file handle |
| 1510 | * @code: pointer to v4l2_subdev_mbus_code_enum structure |
| 1511 | */ |
| 1512 | static int resizer_enum_mbus_code(struct v4l2_subdev *sd, |
| 1513 | struct v4l2_subdev_fh *fh, |
| 1514 | struct v4l2_subdev_mbus_code_enum *code) |
| 1515 | { |
| 1516 | if (code->pad == RESIZER_PAD_SINK) { |
| 1517 | if (code->index >= ARRAY_SIZE(resizer_input_formats)) |
| 1518 | return -EINVAL; |
| 1519 | |
| 1520 | code->code = resizer_input_formats[code->index]; |
| 1521 | } else if (code->pad == RESIZER_PAD_SOURCE) { |
| 1522 | if (code->index >= ARRAY_SIZE(resizer_output_formats)) |
| 1523 | return -EINVAL; |
| 1524 | |
| 1525 | code->code = resizer_output_formats[code->index]; |
| 1526 | } |
| 1527 | |
| 1528 | return 0; |
| 1529 | } |
| 1530 | |
| 1531 | /* |
| 1532 | * resizer_init_formats() - Initialize formats on all pads |
| 1533 | * @sd: Pointer to subdevice. |
| 1534 | * @fh: V4L2 subdev file handle. |
| 1535 | * |
| 1536 | * Initialize all pad formats with default values. If fh is not NULL, try |
| 1537 | * formats are initialized on the file handle. Otherwise active formats are |
| 1538 | * initialized on the device. |
| 1539 | */ |
| 1540 | static int resizer_init_formats(struct v4l2_subdev *sd, |
| 1541 | struct v4l2_subdev_fh *fh) |
| 1542 | { |
| 1543 | __u32 which = fh ? V4L2_SUBDEV_FORMAT_TRY : V4L2_SUBDEV_FORMAT_ACTIVE; |
| 1544 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1545 | struct v4l2_subdev_format format; |
| 1546 | |
| 1547 | if (&resizer->crop_resizer.subdev == sd) { |
| 1548 | memset(&format, 0, sizeof(format)); |
| 1549 | format.pad = RESIZER_CROP_PAD_SINK; |
| 1550 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1551 | format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1552 | format.format.width = MAX_IN_WIDTH; |
| 1553 | format.format.height = MAX_IN_HEIGHT; |
| 1554 | resizer_set_format(sd, fh, &format); |
| 1555 | |
| 1556 | memset(&format, 0, sizeof(format)); |
| 1557 | format.pad = RESIZER_CROP_PAD_SOURCE; |
| 1558 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1559 | format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1560 | format.format.width = MAX_IN_WIDTH; |
| 1561 | format.format.height = MAX_IN_WIDTH; |
| 1562 | resizer_set_format(sd, fh, &format); |
| 1563 | |
| 1564 | memset(&format, 0, sizeof(format)); |
| 1565 | format.pad = RESIZER_CROP_PAD_SOURCE2; |
| 1566 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1567 | format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1568 | format.format.width = MAX_IN_WIDTH; |
| 1569 | format.format.height = MAX_IN_WIDTH; |
| 1570 | resizer_set_format(sd, fh, &format); |
| 1571 | } else if (&resizer->resizer_a.subdev == sd) { |
| 1572 | memset(&format, 0, sizeof(format)); |
| 1573 | format.pad = RESIZER_PAD_SINK; |
| 1574 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1575 | format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1576 | format.format.width = MAX_IN_WIDTH; |
| 1577 | format.format.height = MAX_IN_HEIGHT; |
| 1578 | resizer_set_format(sd, fh, &format); |
| 1579 | |
| 1580 | memset(&format, 0, sizeof(format)); |
| 1581 | format.pad = RESIZER_PAD_SOURCE; |
| 1582 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1583 | format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1584 | format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A; |
| 1585 | format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A; |
| 1586 | resizer_set_format(sd, fh, &format); |
| 1587 | } else if (&resizer->resizer_b.subdev == sd) { |
| 1588 | memset(&format, 0, sizeof(format)); |
| 1589 | format.pad = RESIZER_PAD_SINK; |
| 1590 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1591 | format.format.code = MEDIA_BUS_FMT_YUYV8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1592 | format.format.width = MAX_IN_WIDTH; |
| 1593 | format.format.height = MAX_IN_HEIGHT; |
| 1594 | resizer_set_format(sd, fh, &format); |
| 1595 | |
| 1596 | memset(&format, 0, sizeof(format)); |
| 1597 | format.pad = RESIZER_PAD_SOURCE; |
| 1598 | format.which = which; |
Boris BREZILLON | 3336f07 | 2014-11-10 14:28:33 -0300 | [diff] [blame] | 1599 | format.format.code = MEDIA_BUS_FMT_UYVY8_2X8; |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1600 | format.format.width = IPIPE_MAX_OUTPUT_WIDTH_B; |
| 1601 | format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_B; |
| 1602 | resizer_set_format(sd, fh, &format); |
| 1603 | } |
| 1604 | |
| 1605 | return 0; |
| 1606 | } |
| 1607 | |
| 1608 | /* subdev core operations */ |
| 1609 | static const struct v4l2_subdev_core_ops resizer_v4l2_core_ops = { |
| 1610 | .ioctl = resizer_ioctl, |
| 1611 | }; |
| 1612 | |
| 1613 | /* subdev internal operations */ |
| 1614 | static const struct v4l2_subdev_internal_ops resizer_v4l2_internal_ops = { |
| 1615 | .open = resizer_init_formats, |
| 1616 | }; |
| 1617 | |
| 1618 | /* subdev video operations */ |
| 1619 | static const struct v4l2_subdev_video_ops resizer_v4l2_video_ops = { |
| 1620 | .s_stream = resizer_set_stream, |
| 1621 | }; |
| 1622 | |
| 1623 | /* subdev pad operations */ |
| 1624 | static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = { |
| 1625 | .enum_mbus_code = resizer_enum_mbus_code, |
| 1626 | .enum_frame_size = resizer_enum_frame_size, |
| 1627 | .get_fmt = resizer_get_format, |
| 1628 | .set_fmt = resizer_set_format, |
| 1629 | }; |
| 1630 | |
| 1631 | /* subdev operations */ |
| 1632 | static const struct v4l2_subdev_ops resizer_v4l2_ops = { |
| 1633 | .core = &resizer_v4l2_core_ops, |
| 1634 | .video = &resizer_v4l2_video_ops, |
| 1635 | .pad = &resizer_v4l2_pad_ops, |
| 1636 | }; |
| 1637 | |
| 1638 | /* |
| 1639 | * Media entity operations |
| 1640 | */ |
| 1641 | |
| 1642 | /* |
| 1643 | * resizer_link_setup() - Setup resizer connections |
| 1644 | * @entity: Pointer to media entity structure |
| 1645 | * @local: Pointer to local pad array |
| 1646 | * @remote: Pointer to remote pad array |
| 1647 | * @flags: Link flags |
| 1648 | * return -EINVAL or zero on success |
| 1649 | */ |
| 1650 | static int resizer_link_setup(struct media_entity *entity, |
| 1651 | const struct media_pad *local, |
| 1652 | const struct media_pad *remote, u32 flags) |
| 1653 | { |
| 1654 | struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); |
| 1655 | struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd); |
| 1656 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1657 | u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output; |
| 1658 | u16 ipipe_source = vpfe_dev->vpfe_ipipe.output; |
| 1659 | |
| 1660 | if (&resizer->crop_resizer.subdev == sd) { |
| 1661 | switch (local->index | media_entity_type(remote->entity)) { |
| 1662 | case RESIZER_CROP_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: |
| 1663 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1664 | resizer->crop_resizer.input = |
| 1665 | RESIZER_CROP_INPUT_NONE; |
| 1666 | break; |
| 1667 | } |
| 1668 | |
| 1669 | if (resizer->crop_resizer.input != |
| 1670 | RESIZER_CROP_INPUT_NONE) |
| 1671 | return -EBUSY; |
| 1672 | if (ipipeif_source == IPIPEIF_OUTPUT_RESIZER) |
| 1673 | resizer->crop_resizer.input = |
| 1674 | RESIZER_CROP_INPUT_IPIPEIF; |
| 1675 | else if (ipipe_source == IPIPE_OUTPUT_RESIZER) |
| 1676 | resizer->crop_resizer.input = |
| 1677 | RESIZER_CROP_INPUT_IPIPE; |
| 1678 | else |
| 1679 | return -EINVAL; |
| 1680 | break; |
| 1681 | |
| 1682 | case RESIZER_CROP_PAD_SOURCE | MEDIA_ENT_T_V4L2_SUBDEV: |
| 1683 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1684 | resizer->crop_resizer.output = |
| 1685 | RESIZER_CROP_OUTPUT_NONE; |
| 1686 | break; |
| 1687 | } |
| 1688 | if (resizer->crop_resizer.output != |
| 1689 | RESIZER_CROP_OUTPUT_NONE) |
| 1690 | return -EBUSY; |
| 1691 | resizer->crop_resizer.output = RESIZER_A; |
| 1692 | break; |
| 1693 | |
| 1694 | case RESIZER_CROP_PAD_SOURCE2 | MEDIA_ENT_T_V4L2_SUBDEV: |
| 1695 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1696 | resizer->crop_resizer.output2 = |
| 1697 | RESIZER_CROP_OUTPUT_NONE; |
| 1698 | break; |
| 1699 | } |
| 1700 | if (resizer->crop_resizer.output2 != |
| 1701 | RESIZER_CROP_OUTPUT_NONE) |
| 1702 | return -EBUSY; |
| 1703 | resizer->crop_resizer.output2 = RESIZER_B; |
| 1704 | break; |
| 1705 | |
| 1706 | default: |
| 1707 | return -EINVAL; |
| 1708 | } |
| 1709 | } else if (&resizer->resizer_a.subdev == sd) { |
| 1710 | switch (local->index | media_entity_type(remote->entity)) { |
| 1711 | case RESIZER_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: |
| 1712 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1713 | resizer->resizer_a.input = RESIZER_INPUT_NONE; |
| 1714 | break; |
| 1715 | } |
| 1716 | if (resizer->resizer_a.input != RESIZER_INPUT_NONE) |
| 1717 | return -EBUSY; |
| 1718 | resizer->resizer_a.input = RESIZER_INPUT_CROP_RESIZER; |
| 1719 | break; |
| 1720 | |
| 1721 | case RESIZER_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: |
| 1722 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1723 | resizer->resizer_a.output = RESIZER_OUTPUT_NONE; |
| 1724 | break; |
| 1725 | } |
| 1726 | if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) |
| 1727 | return -EBUSY; |
| 1728 | resizer->resizer_a.output = RESIZER_OUPUT_MEMORY; |
| 1729 | break; |
| 1730 | |
| 1731 | default: |
| 1732 | return -EINVAL; |
| 1733 | } |
| 1734 | } else if (&resizer->resizer_b.subdev == sd) { |
| 1735 | switch (local->index | media_entity_type(remote->entity)) { |
| 1736 | case RESIZER_PAD_SINK | MEDIA_ENT_T_V4L2_SUBDEV: |
| 1737 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1738 | resizer->resizer_b.input = RESIZER_INPUT_NONE; |
| 1739 | break; |
| 1740 | } |
| 1741 | if (resizer->resizer_b.input != RESIZER_INPUT_NONE) |
| 1742 | return -EBUSY; |
| 1743 | resizer->resizer_b.input = RESIZER_INPUT_CROP_RESIZER; |
| 1744 | break; |
| 1745 | |
| 1746 | case RESIZER_PAD_SOURCE | MEDIA_ENT_T_DEVNODE: |
| 1747 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { |
| 1748 | resizer->resizer_b.output = RESIZER_OUTPUT_NONE; |
| 1749 | break; |
| 1750 | } |
| 1751 | if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) |
| 1752 | return -EBUSY; |
| 1753 | resizer->resizer_b.output = RESIZER_OUPUT_MEMORY; |
| 1754 | break; |
| 1755 | |
| 1756 | default: |
| 1757 | return -EINVAL; |
| 1758 | } |
| 1759 | } else { |
| 1760 | return -EINVAL; |
| 1761 | } |
| 1762 | |
| 1763 | return 0; |
| 1764 | } |
| 1765 | |
| 1766 | static const struct media_entity_operations resizer_media_ops = { |
| 1767 | .link_setup = resizer_link_setup, |
| 1768 | }; |
| 1769 | |
| 1770 | /* |
| 1771 | * vpfe_resizer_unregister_entities() - Unregister entity |
| 1772 | * @vpfe_rsz - pointer to resizer subdevice structure. |
| 1773 | */ |
| 1774 | void vpfe_resizer_unregister_entities(struct vpfe_resizer_device *vpfe_rsz) |
| 1775 | { |
| 1776 | /* unregister video devices */ |
| 1777 | vpfe_video_unregister(&vpfe_rsz->resizer_a.video_out); |
| 1778 | vpfe_video_unregister(&vpfe_rsz->resizer_b.video_out); |
| 1779 | |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1780 | /* unregister subdev */ |
| 1781 | v4l2_device_unregister_subdev(&vpfe_rsz->crop_resizer.subdev); |
| 1782 | v4l2_device_unregister_subdev(&vpfe_rsz->resizer_a.subdev); |
| 1783 | v4l2_device_unregister_subdev(&vpfe_rsz->resizer_b.subdev); |
Sakari Ailus | 7bb151b | 2013-06-11 06:50:49 -0300 | [diff] [blame] | 1784 | /* cleanup entity */ |
| 1785 | media_entity_cleanup(&vpfe_rsz->crop_resizer.subdev.entity); |
| 1786 | media_entity_cleanup(&vpfe_rsz->resizer_a.subdev.entity); |
| 1787 | media_entity_cleanup(&vpfe_rsz->resizer_b.subdev.entity); |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1788 | } |
| 1789 | |
| 1790 | /* |
| 1791 | * vpfe_resizer_register_entities() - Register entity |
| 1792 | * @resizer - pointer to resizer devive. |
| 1793 | * @vdev: pointer to v4l2 device structure. |
| 1794 | */ |
| 1795 | int vpfe_resizer_register_entities(struct vpfe_resizer_device *resizer, |
| 1796 | struct v4l2_device *vdev) |
| 1797 | { |
| 1798 | struct vpfe_device *vpfe_dev = to_vpfe_device(resizer); |
| 1799 | unsigned int flags = 0; |
| 1800 | int ret; |
| 1801 | |
| 1802 | /* Register the crop resizer subdev */ |
| 1803 | ret = v4l2_device_register_subdev(vdev, &resizer->crop_resizer.subdev); |
| 1804 | if (ret < 0) { |
| 1805 | pr_err("Failed to register crop resizer as v4l2-subdev\n"); |
| 1806 | return ret; |
| 1807 | } |
| 1808 | /* Register Resizer-A subdev */ |
| 1809 | ret = v4l2_device_register_subdev(vdev, &resizer->resizer_a.subdev); |
| 1810 | if (ret < 0) { |
| 1811 | pr_err("Failed to register resizer-a as v4l2-subdev\n"); |
| 1812 | return ret; |
| 1813 | } |
| 1814 | /* Register Resizer-B subdev */ |
| 1815 | ret = v4l2_device_register_subdev(vdev, &resizer->resizer_b.subdev); |
| 1816 | if (ret < 0) { |
| 1817 | pr_err("Failed to register resizer-b as v4l2-subdev\n"); |
| 1818 | return ret; |
| 1819 | } |
| 1820 | /* Register video-out device for resizer-a */ |
| 1821 | ret = vpfe_video_register(&resizer->resizer_a.video_out, vdev); |
| 1822 | if (ret) { |
| 1823 | pr_err("Failed to register RSZ-A video-out device\n"); |
| 1824 | goto out_video_out2_register; |
| 1825 | } |
| 1826 | resizer->resizer_a.video_out.vpfe_dev = vpfe_dev; |
| 1827 | |
| 1828 | /* Register video-out device for resizer-b */ |
| 1829 | ret = vpfe_video_register(&resizer->resizer_b.video_out, vdev); |
| 1830 | if (ret) { |
| 1831 | pr_err("Failed to register RSZ-B video-out device\n"); |
| 1832 | goto out_video_out2_register; |
| 1833 | } |
| 1834 | resizer->resizer_b.video_out.vpfe_dev = vpfe_dev; |
| 1835 | |
| 1836 | /* create link between Resizer Crop----> Resizer A*/ |
| 1837 | ret = media_entity_create_link(&resizer->crop_resizer.subdev.entity, 1, |
| 1838 | &resizer->resizer_a.subdev.entity, |
| 1839 | 0, flags); |
| 1840 | if (ret < 0) |
| 1841 | goto out_create_link; |
| 1842 | |
| 1843 | /* create link between Resizer Crop----> Resizer B*/ |
| 1844 | ret = media_entity_create_link(&resizer->crop_resizer.subdev.entity, 2, |
| 1845 | &resizer->resizer_b.subdev.entity, |
| 1846 | 0, flags); |
| 1847 | if (ret < 0) |
| 1848 | goto out_create_link; |
| 1849 | |
| 1850 | /* create link between Resizer A ----> video out */ |
| 1851 | ret = media_entity_create_link(&resizer->resizer_a.subdev.entity, 1, |
| 1852 | &resizer->resizer_a.video_out.video_dev.entity, 0, flags); |
| 1853 | if (ret < 0) |
| 1854 | goto out_create_link; |
| 1855 | |
| 1856 | /* create link between Resizer B ----> video out */ |
| 1857 | ret = media_entity_create_link(&resizer->resizer_b.subdev.entity, 1, |
| 1858 | &resizer->resizer_b.video_out.video_dev.entity, 0, flags); |
| 1859 | if (ret < 0) |
| 1860 | goto out_create_link; |
| 1861 | |
| 1862 | return 0; |
| 1863 | |
| 1864 | out_create_link: |
| 1865 | vpfe_video_unregister(&resizer->resizer_b.video_out); |
| 1866 | out_video_out2_register: |
| 1867 | vpfe_video_unregister(&resizer->resizer_a.video_out); |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1868 | v4l2_device_unregister_subdev(&resizer->crop_resizer.subdev); |
| 1869 | v4l2_device_unregister_subdev(&resizer->resizer_a.subdev); |
| 1870 | v4l2_device_unregister_subdev(&resizer->resizer_b.subdev); |
Sakari Ailus | 7bb151b | 2013-06-11 06:50:49 -0300 | [diff] [blame] | 1871 | media_entity_cleanup(&resizer->crop_resizer.subdev.entity); |
| 1872 | media_entity_cleanup(&resizer->resizer_a.subdev.entity); |
| 1873 | media_entity_cleanup(&resizer->resizer_b.subdev.entity); |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1874 | return ret; |
| 1875 | } |
| 1876 | |
| 1877 | /* |
| 1878 | * vpfe_resizer_init() - resizer device initialization. |
| 1879 | * @vpfe_rsz - pointer to resizer device |
| 1880 | * @pdev: platform device pointer. |
| 1881 | */ |
| 1882 | int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz, |
| 1883 | struct platform_device *pdev) |
| 1884 | { |
| 1885 | struct v4l2_subdev *sd = &vpfe_rsz->crop_resizer.subdev; |
| 1886 | struct media_pad *pads = &vpfe_rsz->crop_resizer.pads[0]; |
| 1887 | struct media_entity *me = &sd->entity; |
| 1888 | static resource_size_t res_len; |
| 1889 | struct resource *res; |
| 1890 | int ret; |
| 1891 | |
| 1892 | res = platform_get_resource(pdev, IORESOURCE_MEM, 5); |
| 1893 | if (!res) |
| 1894 | return -ENOENT; |
| 1895 | |
| 1896 | res_len = resource_size(res); |
| 1897 | res = request_mem_region(res->start, res_len, res->name); |
| 1898 | if (!res) |
| 1899 | return -EBUSY; |
| 1900 | |
| 1901 | vpfe_rsz->base_addr = ioremap_nocache(res->start, res_len); |
| 1902 | if (!vpfe_rsz->base_addr) |
| 1903 | return -EBUSY; |
| 1904 | |
| 1905 | v4l2_subdev_init(sd, &resizer_v4l2_ops); |
| 1906 | sd->internal_ops = &resizer_v4l2_internal_ops; |
| 1907 | strlcpy(sd->name, "DAVINCI RESIZER CROP", sizeof(sd->name)); |
| 1908 | sd->grp_id = 1 << 16; /* group ID for davinci subdevs */ |
| 1909 | v4l2_set_subdevdata(sd, vpfe_rsz); |
| 1910 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 1911 | |
| 1912 | pads[RESIZER_CROP_PAD_SINK].flags = MEDIA_PAD_FL_SINK; |
| 1913 | pads[RESIZER_CROP_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; |
| 1914 | pads[RESIZER_CROP_PAD_SOURCE2].flags = MEDIA_PAD_FL_SOURCE; |
| 1915 | |
| 1916 | vpfe_rsz->crop_resizer.input = RESIZER_CROP_INPUT_NONE; |
| 1917 | vpfe_rsz->crop_resizer.output = RESIZER_CROP_OUTPUT_NONE; |
| 1918 | vpfe_rsz->crop_resizer.output2 = RESIZER_CROP_OUTPUT_NONE; |
| 1919 | vpfe_rsz->crop_resizer.rsz_device = vpfe_rsz; |
| 1920 | me->ops = &resizer_media_ops; |
| 1921 | ret = media_entity_init(me, RESIZER_CROP_PADS_NUM, pads, 0); |
| 1922 | if (ret) |
| 1923 | return ret; |
| 1924 | |
| 1925 | sd = &vpfe_rsz->resizer_a.subdev; |
| 1926 | pads = &vpfe_rsz->resizer_a.pads[0]; |
| 1927 | me = &sd->entity; |
| 1928 | |
| 1929 | v4l2_subdev_init(sd, &resizer_v4l2_ops); |
| 1930 | sd->internal_ops = &resizer_v4l2_internal_ops; |
| 1931 | strlcpy(sd->name, "DAVINCI RESIZER A", sizeof(sd->name)); |
| 1932 | sd->grp_id = 1 << 16; /* group ID for davinci subdevs */ |
| 1933 | v4l2_set_subdevdata(sd, vpfe_rsz); |
| 1934 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 1935 | |
| 1936 | pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK; |
| 1937 | pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; |
| 1938 | |
| 1939 | vpfe_rsz->resizer_a.input = RESIZER_INPUT_NONE; |
| 1940 | vpfe_rsz->resizer_a.output = RESIZER_OUTPUT_NONE; |
| 1941 | vpfe_rsz->resizer_a.rsz_device = vpfe_rsz; |
| 1942 | me->ops = &resizer_media_ops; |
| 1943 | ret = media_entity_init(me, RESIZER_PADS_NUM, pads, 0); |
| 1944 | if (ret) |
| 1945 | return ret; |
| 1946 | |
| 1947 | sd = &vpfe_rsz->resizer_b.subdev; |
| 1948 | pads = &vpfe_rsz->resizer_b.pads[0]; |
| 1949 | me = &sd->entity; |
| 1950 | |
| 1951 | v4l2_subdev_init(sd, &resizer_v4l2_ops); |
| 1952 | sd->internal_ops = &resizer_v4l2_internal_ops; |
| 1953 | strlcpy(sd->name, "DAVINCI RESIZER B", sizeof(sd->name)); |
| 1954 | sd->grp_id = 1 << 16; /* group ID for davinci subdevs */ |
| 1955 | v4l2_set_subdevdata(sd, vpfe_rsz); |
| 1956 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
| 1957 | |
| 1958 | pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK; |
| 1959 | pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; |
| 1960 | |
| 1961 | vpfe_rsz->resizer_b.input = RESIZER_INPUT_NONE; |
| 1962 | vpfe_rsz->resizer_b.output = RESIZER_OUTPUT_NONE; |
| 1963 | vpfe_rsz->resizer_b.rsz_device = vpfe_rsz; |
| 1964 | me->ops = &resizer_media_ops; |
| 1965 | ret = media_entity_init(me, RESIZER_PADS_NUM, pads, 0); |
| 1966 | if (ret) |
| 1967 | return ret; |
| 1968 | |
| 1969 | vpfe_rsz->resizer_a.video_out.ops = &resizer_a_video_ops; |
| 1970 | vpfe_rsz->resizer_a.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1971 | ret = vpfe_video_init(&vpfe_rsz->resizer_a.video_out, "RSZ-A"); |
| 1972 | if (ret) { |
| 1973 | pr_err("Failed to init RSZ video-out device\n"); |
| 1974 | return ret; |
| 1975 | } |
| 1976 | vpfe_rsz->resizer_b.video_out.ops = &resizer_b_video_ops; |
| 1977 | vpfe_rsz->resizer_b.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
| 1978 | ret = vpfe_video_init(&vpfe_rsz->resizer_b.video_out, "RSZ-B"); |
| 1979 | if (ret) { |
| 1980 | pr_err("Failed to init RSZ video-out2 device\n"); |
| 1981 | return ret; |
| 1982 | } |
| 1983 | memset(&vpfe_rsz->config, 0, sizeof(struct resizer_params)); |
| 1984 | |
| 1985 | return 0; |
| 1986 | } |
| 1987 | |
| 1988 | void |
| 1989 | vpfe_resizer_cleanup(struct vpfe_resizer_device *vpfe_rsz, |
| 1990 | struct platform_device *pdev) |
| 1991 | { |
| 1992 | struct resource *res; |
| 1993 | |
| 1994 | iounmap(vpfe_rsz->base_addr); |
| 1995 | res = platform_get_resource(pdev, IORESOURCE_MEM, 5); |
| 1996 | if (res) |
| 1997 | release_mem_region(res->start, |
Silviu-Mihai Popescu | 69aa6f4 | 2013-03-18 15:06:20 -0300 | [diff] [blame] | 1998 | resource_size(res)); |
Manjunath Hadli | 45e46b3 | 2012-11-28 02:17:55 -0300 | [diff] [blame] | 1999 | } |