2 * Copyright (C) 2012 Texas Instruments Inc
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.
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.
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
18 * Manjunath Hadli <manjunath.hadli@ti.com>
19 * Prabhakar Lad <prabhakar.lad@ti.com>
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.
27 #include "dm365_ipipe_hw.h"
28 #include "dm365_resizer.h"
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
37 static const unsigned int resizer_input_formats[] = {
38 MEDIA_BUS_FMT_UYVY8_2X8,
40 MEDIA_BUS_FMT_UV8_1X8,
41 MEDIA_BUS_FMT_SGRBG12_1X12,
44 static const unsigned int resizer_output_formats[] = {
45 MEDIA_BUS_FMT_UYVY8_2X8,
47 MEDIA_BUS_FMT_UV8_1X8,
48 MEDIA_BUS_FMT_YDYUYDYV8_1X16,
49 MEDIA_BUS_FMT_SGRBG12_1X12,
52 /* resizer_calculate_line_length() - This function calculates the line length of
53 * various image planes at the input and
57 resizer_calculate_line_length(u32 pix, int width, int height,
58 int *line_len, int *line_len_c)
63 if (pix == MEDIA_BUS_FMT_UYVY8_2X8 ||
64 pix == MEDIA_BUS_FMT_SGRBG12_1X12) {
65 *line_len = width << 1;
71 /* adjust the line len to be a multiple of 32 */
79 resizer_validate_output_image_format(struct device *dev,
80 struct v4l2_mbus_framefmt *format,
81 int *in_line_len, int *in_line_len_c)
83 if (format->code != MEDIA_BUS_FMT_UYVY8_2X8 &&
84 format->code != MEDIA_BUS_FMT_Y8_1X8 &&
85 format->code != MEDIA_BUS_FMT_UV8_1X8 &&
86 format->code != MEDIA_BUS_FMT_YDYUYDYV8_1X16 &&
87 format->code != MEDIA_BUS_FMT_SGRBG12_1X12) {
88 dev_err(dev, "Invalid Mbus format, %d\n", format->code);
91 if (!format->width || !format->height) {
92 dev_err(dev, "invalid width or height\n");
95 resizer_calculate_line_length(format->code, format->width,
96 format->height, in_line_len, in_line_len_c);
101 resizer_configure_passthru(struct vpfe_resizer_device *resizer, int bypass)
103 struct resizer_params *param = &resizer->config;
105 param->rsz_rsc_param[RSZ_A].cen = DISABLE;
106 param->rsz_rsc_param[RSZ_A].yen = DISABLE;
107 param->rsz_rsc_param[RSZ_A].v_phs_y = 0;
108 param->rsz_rsc_param[RSZ_A].v_phs_c = 0;
109 param->rsz_rsc_param[RSZ_A].v_dif = 256;
110 param->rsz_rsc_param[RSZ_A].v_lpf_int_y = 0;
111 param->rsz_rsc_param[RSZ_A].v_lpf_int_c = 0;
112 param->rsz_rsc_param[RSZ_A].h_phs = 0;
113 param->rsz_rsc_param[RSZ_A].h_dif = 256;
114 param->rsz_rsc_param[RSZ_A].h_lpf_int_y = 0;
115 param->rsz_rsc_param[RSZ_A].h_lpf_int_c = 0;
116 param->rsz_rsc_param[RSZ_A].dscale_en = DISABLE;
117 param->rsz2rgb[RSZ_A].rgb_en = DISABLE;
118 param->rsz_en[RSZ_A] = ENABLE;
119 param->rsz_en[RSZ_B] = DISABLE;
121 param->rsz_rsc_param[RSZ_A].i_vps = 0;
122 param->rsz_rsc_param[RSZ_A].i_hps = 0;
124 param->rsz_common.passthrough = BYPASS_ON;
129 configure_resizer_out_params(struct vpfe_resizer_device *resizer, int index,
130 void *output_spec, unsigned char partial,
133 struct resizer_params *param = &resizer->config;
134 struct v4l2_mbus_framefmt *outformat;
135 struct vpfe_rsz_output_spec *output;
137 if (index == RSZ_A &&
138 resizer->resizer_a.output == RESIZER_OUTPUT_NONE) {
139 param->rsz_en[index] = DISABLE;
142 if (index == RSZ_B &&
143 resizer->resizer_b.output == RESIZER_OUTPUT_NONE) {
144 param->rsz_en[index] = DISABLE;
147 output = output_spec;
148 param->rsz_en[index] = ENABLE;
150 param->rsz_rsc_param[index].h_flip = output->h_flip;
151 param->rsz_rsc_param[index].v_flip = output->v_flip;
152 param->rsz_rsc_param[index].v_typ_y = output->v_typ_y;
153 param->rsz_rsc_param[index].v_typ_c = output->v_typ_c;
154 param->rsz_rsc_param[index].v_lpf_int_y =
156 param->rsz_rsc_param[index].v_lpf_int_c =
158 param->rsz_rsc_param[index].h_typ_y = output->h_typ_y;
159 param->rsz_rsc_param[index].h_typ_c = output->h_typ_c;
160 param->rsz_rsc_param[index].h_lpf_int_y =
162 param->rsz_rsc_param[index].h_lpf_int_c =
164 param->rsz_rsc_param[index].dscale_en =
165 output->en_down_scale;
166 param->rsz_rsc_param[index].h_dscale_ave_sz =
167 output->h_dscale_ave_sz;
168 param->rsz_rsc_param[index].v_dscale_ave_sz =
169 output->v_dscale_ave_sz;
170 param->ext_mem_param[index].user_y_ofst =
171 (output->user_y_ofst + 31) & ~0x1f;
172 param->ext_mem_param[index].user_c_ofst =
173 (output->user_c_ofst + 31) & ~0x1f;
178 outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
180 outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
181 param->rsz_rsc_param[index].o_vsz = outformat->height - 1;
182 param->rsz_rsc_param[index].o_hsz = outformat->width - 1;
183 param->ext_mem_param[index].rsz_sdr_ptr_s_y = output->vst_y;
184 param->ext_mem_param[index].rsz_sdr_ptr_e_y = outformat->height;
185 param->ext_mem_param[index].rsz_sdr_ptr_s_c = output->vst_c;
186 param->ext_mem_param[index].rsz_sdr_ptr_e_c = outformat->height;
190 /* update common parameters */
191 param->rsz_rsc_param[index].h_flip = output->h_flip;
192 param->rsz_rsc_param[index].v_flip = output->v_flip;
193 param->rsz_rsc_param[index].v_typ_y = output->v_typ_y;
194 param->rsz_rsc_param[index].v_typ_c = output->v_typ_c;
195 param->rsz_rsc_param[index].v_lpf_int_y = output->v_lpf_int_y;
196 param->rsz_rsc_param[index].v_lpf_int_c = output->v_lpf_int_c;
197 param->rsz_rsc_param[index].h_typ_y = output->h_typ_y;
198 param->rsz_rsc_param[index].h_typ_c = output->h_typ_c;
199 param->rsz_rsc_param[index].h_lpf_int_y = output->h_lpf_int_y;
200 param->rsz_rsc_param[index].h_lpf_int_c = output->h_lpf_int_c;
201 param->rsz_rsc_param[index].dscale_en = output->en_down_scale;
202 param->rsz_rsc_param[index].h_dscale_ave_sz = output->h_dscale_ave_sz;
203 param->rsz_rsc_param[index].v_dscale_ave_sz = output->h_dscale_ave_sz;
204 param->ext_mem_param[index].user_y_ofst =
205 (output->user_y_ofst + 31) & ~0x1f;
206 param->ext_mem_param[index].user_c_ofst =
207 (output->user_c_ofst + 31) & ~0x1f;
211 * resizer_calculate_resize_ratios() - Calculates resize ratio for resizer
212 * A or B. This is called after setting
213 * the input size or output size.
214 * @resizer: Pointer to VPFE resizer subdevice.
215 * @index: index RSZ_A-resizer-A RSZ_B-resizer-B.
218 resizer_calculate_resize_ratios(struct vpfe_resizer_device *resizer, int index)
220 struct resizer_params *param = &resizer->config;
221 struct v4l2_mbus_framefmt *informat, *outformat;
223 informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
226 outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
228 outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
230 if (outformat->field != V4L2_FIELD_INTERLACED)
231 param->rsz_rsc_param[index].v_dif =
232 ((informat->height) * 256) / (outformat->height);
234 param->rsz_rsc_param[index].v_dif =
235 ((informat->height >> 1) * 256) / (outformat->height);
236 param->rsz_rsc_param[index].h_dif =
237 ((informat->width) * 256) / (outformat->width);
241 static resizer_enable_422_420_conversion(struct resizer_params *param,
244 param->rsz_rsc_param[index].cen = en;
245 param->rsz_rsc_param[index].yen = en;
248 /* resizer_calculate_sdram_offsets() - This function calculates the offsets from
249 * start of buffer for the C plane when
250 * output format is YUV420SP. It also
251 * calculates the offsets from the start of
252 * the buffer when the image is flipped
253 * vertically or horizontally for ycbcr/y/c
255 * @resizer: Pointer to resizer subdevice.
256 * @index: index RSZ_A-resizer-A RSZ_B-resizer-B.
259 resizer_calculate_sdram_offsets(struct vpfe_resizer_device *resizer, int index)
261 struct resizer_params *param = &resizer->config;
262 struct v4l2_mbus_framefmt *outformat;
263 int bytesperpixel = 2;
270 outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
272 outformat = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
274 image_height = outformat->height + 1;
275 image_width = outformat->width + 1;
276 param->ext_mem_param[index].c_offset = 0;
277 param->ext_mem_param[index].flip_ofst_y = 0;
278 param->ext_mem_param[index].flip_ofst_c = 0;
279 if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16) {
285 if (param->rsz_rsc_param[index].h_flip)
286 /* width * bytesperpixel - 1 */
287 offset = (image_width * bytesperpixel) - 1;
288 if (param->rsz_rsc_param[index].v_flip)
289 offset += (image_height - 1) *
290 param->ext_mem_param[index].rsz_sdr_oft_y;
291 param->ext_mem_param[index].flip_ofst_y = offset;
295 /* half height for c-plane */
296 if (param->rsz_rsc_param[index].h_flip)
297 /* width * bytesperpixel - 1 */
298 offset = image_width - 1;
299 if (param->rsz_rsc_param[index].v_flip)
300 offset += (((image_height >> 1) - 1) *
301 param->ext_mem_param[index].rsz_sdr_oft_c);
302 param->ext_mem_param[index].flip_ofst_c = offset;
303 param->ext_mem_param[index].c_offset =
304 param->ext_mem_param[index].rsz_sdr_oft_y * image_height;
308 static int resizer_configure_output_win(struct vpfe_resizer_device *resizer)
310 struct resizer_params *param = &resizer->config;
311 struct vpfe_rsz_output_spec output_specs;
312 struct v4l2_mbus_framefmt *outformat;
317 outformat = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
319 memset(&output_specs, 0x0, sizeof(struct vpfe_rsz_output_spec));
320 output_specs.vst_y = param->user_config.vst;
321 if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16)
322 output_specs.vst_c = param->user_config.vst;
324 configure_resizer_out_params(resizer, RSZ_A, &output_specs, 0, 0);
325 resizer_calculate_line_length(outformat->code,
326 param->rsz_rsc_param[0].o_hsz + 1,
327 param->rsz_rsc_param[0].o_vsz + 1,
328 &line_len, &line_len_c);
329 param->ext_mem_param[0].rsz_sdr_oft_y = line_len;
330 param->ext_mem_param[0].rsz_sdr_oft_c = line_len_c;
331 resizer_calculate_resize_ratios(resizer, RSZ_A);
332 if (param->rsz_en[RSZ_B])
333 resizer_calculate_resize_ratios(resizer, RSZ_B);
335 if (outformat->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16)
336 resizer_enable_422_420_conversion(param, RSZ_A, ENABLE);
338 resizer_enable_422_420_conversion(param, RSZ_A, DISABLE);
340 ret = resizer_calculate_sdram_offsets(resizer, RSZ_A);
341 if (!ret && param->rsz_en[RSZ_B])
342 ret = resizer_calculate_sdram_offsets(resizer, RSZ_B);
345 pr_err("Error in calculating sdram offsets\n");
350 resizer_calculate_down_scale_f_div_param(struct device *dev,
351 int input_width, int output_width,
352 struct resizer_scale_param *param)
354 /* rsz = R, input_width = H, output width = h in the equation */
355 unsigned int two_power;
356 unsigned int upper_h1;
357 unsigned int upper_h2;
366 upper_h1 = input_width >> 1;
367 n = param->h_dscale_ave_sz;
369 two_power = 1 << (n + 1);
370 upper_h1 = (upper_h1 >> (n + 1)) << (n + 1);
371 upper_h2 = input_width - upper_h1;
372 if (upper_h2 % two_power) {
373 dev_err(dev, "frame halves to be a multiple of 2 power n+1\n");
377 rsz = (input_width << 8) / output_width;
378 val = rsz * two_power;
379 val = ((upper_h1 << 8) / val) + 1;
391 o = 10 + (two_power << 2);
392 if (((input_width << 7) / rsz) % 2)
393 o += (((CEIL(rsz, 1024)) << 1) << n);
394 h2 = output_width - h1;
396 val = (h1 * rsz) - (((upper_h1 - (o - 10)) / two_power) << 8);
398 val1 = ((val - 1024) >> 9) << 1;
399 param->f_div.num_passes = MAX_PASSES;
400 param->f_div.pass[0].o_hsz = h1 - 1;
401 param->f_div.pass[0].i_hps = 0;
402 param->f_div.pass[0].h_phs = 0;
403 param->f_div.pass[0].src_hps = 0;
404 param->f_div.pass[0].src_hsz = upper_h1 + o;
405 param->f_div.pass[1].o_hsz = h2 - 1;
406 param->f_div.pass[1].i_hps = 10 + (val1 * two_power);
407 param->f_div.pass[1].h_phs = val - (val1 << 8);
408 param->f_div.pass[1].src_hps = upper_h1 - o;
409 param->f_div.pass[1].src_hsz = upper_h2 + o;
415 resizer_configure_common_in_params(struct vpfe_resizer_device *resizer)
417 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
418 struct resizer_params *param = &resizer->config;
419 struct vpfe_rsz_config_params *user_config;
420 struct v4l2_mbus_framefmt *informat;
422 informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
423 user_config = &resizer->config.user_config;
424 param->rsz_common.vps = param->user_config.vst;
425 param->rsz_common.hps = param->user_config.hst;
427 if (vpfe_ipipeif_decimation_enabled(vpfe_dev))
428 param->rsz_common.hsz = ((informat->width - 1) *
429 IPIPEIF_RSZ_CONST) / vpfe_ipipeif_get_rsz(vpfe_dev);
431 param->rsz_common.hsz = informat->width - 1;
433 if (informat->field == V4L2_FIELD_INTERLACED)
434 param->rsz_common.vsz = (informat->height - 1) >> 1;
436 param->rsz_common.vsz = informat->height - 1;
438 param->rsz_common.raw_flip = 0;
440 if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF)
441 param->rsz_common.source = IPIPEIF_DATA;
443 param->rsz_common.source = IPIPE_DATA;
445 switch (informat->code) {
446 case MEDIA_BUS_FMT_UYVY8_2X8:
447 param->rsz_common.src_img_fmt = RSZ_IMG_422;
448 param->rsz_common.raw_flip = 0;
451 case MEDIA_BUS_FMT_Y8_1X8:
452 param->rsz_common.src_img_fmt = RSZ_IMG_420;
454 param->rsz_common.y_c = 0;
455 param->rsz_common.raw_flip = 0;
458 case MEDIA_BUS_FMT_UV8_1X8:
459 param->rsz_common.src_img_fmt = RSZ_IMG_420;
461 param->rsz_common.y_c = 1;
462 param->rsz_common.raw_flip = 0;
465 case MEDIA_BUS_FMT_SGRBG12_1X12:
466 param->rsz_common.raw_flip = 1;
470 param->rsz_common.src_img_fmt = RSZ_IMG_422;
471 param->rsz_common.source = IPIPE_DATA;
474 param->rsz_common.yuv_y_min = user_config->yuv_y_min;
475 param->rsz_common.yuv_y_max = user_config->yuv_y_max;
476 param->rsz_common.yuv_c_min = user_config->yuv_c_min;
477 param->rsz_common.yuv_c_max = user_config->yuv_c_max;
478 param->rsz_common.out_chr_pos = user_config->out_chr_pos;
479 param->rsz_common.rsz_seq_crv = user_config->chroma_sample_even;
484 resizer_configure_in_continious_mode(struct vpfe_resizer_device *resizer)
486 struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
487 struct resizer_params *param = &resizer->config;
488 struct vpfe_rsz_config_params *cont_config;
493 if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY) {
494 dev_err(dev, "enable resizer - Resizer-A\n");
498 cont_config = &resizer->config.user_config;
499 param->rsz_en[RSZ_A] = ENABLE;
500 configure_resizer_out_params(resizer, RSZ_A,
501 &cont_config->output1, 1, 0);
502 param->rsz_en[RSZ_B] = DISABLE;
503 param->oper_mode = RESIZER_MODE_CONTINIOUS;
505 if (resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) {
506 struct v4l2_mbus_framefmt *outformat2;
508 param->rsz_en[RSZ_B] = ENABLE;
509 outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
510 ret = resizer_validate_output_image_format(dev, outformat2,
511 &line_len, &line_len_c);
514 param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len;
515 param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c;
516 configure_resizer_out_params(resizer, RSZ_B,
517 &cont_config->output2, 0, 1);
518 if (outformat2->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16)
519 resizer_enable_422_420_conversion(param,
522 resizer_enable_422_420_conversion(param,
525 resizer_configure_common_in_params(resizer);
526 ret = resizer_configure_output_win(resizer);
530 param->rsz_common.passthrough = cont_config->bypass;
531 if (cont_config->bypass)
532 resizer_configure_passthru(resizer, 1);
538 resizer_validate_input_image_format(struct device *dev,
540 int width, int height, int *line_len)
544 if (pix != MEDIA_BUS_FMT_UYVY8_2X8 &&
545 pix != MEDIA_BUS_FMT_Y8_1X8 &&
546 pix != MEDIA_BUS_FMT_UV8_1X8 &&
547 pix != MEDIA_BUS_FMT_SGRBG12_1X12) {
549 "resizer validate output: pix format not supported, %d\n", pix);
553 if (!width || !height) {
555 "resizer validate input: invalid width or height\n");
559 if (pix == MEDIA_BUS_FMT_UV8_1X8)
560 resizer_calculate_line_length(pix, width,
561 height, &val, line_len);
563 resizer_calculate_line_length(pix, width,
564 height, line_len, &val);
570 resizer_validate_decimation(struct device *dev, enum ipipeif_decimation dec_en,
571 unsigned char rsz, unsigned char frame_div_mode_en,
574 if (dec_en && frame_div_mode_en) {
576 "dec_en & frame_div_mode_en can not enabled simultaneously\n");
580 if (frame_div_mode_en) {
581 dev_err(dev, "frame_div_mode mode not supported\n");
588 if (width <= VPFE_IPIPE_MAX_INPUT_WIDTH) {
590 "image width to be more than %d for decimation\n",
591 VPFE_IPIPE_MAX_INPUT_WIDTH);
595 if (rsz < IPIPEIF_RSZ_MIN || rsz > IPIPEIF_RSZ_MAX) {
596 dev_err(dev, "rsz range is %d to %d\n",
597 IPIPEIF_RSZ_MIN, IPIPEIF_RSZ_MAX);
604 /* resizer_calculate_normal_f_div_param() - Algorithm to calculate the frame
605 * division parameters for resizer.
609 resizer_calculate_normal_f_div_param(struct device *dev, int input_width,
610 int output_width, struct resizer_scale_param *param)
612 /* rsz = R, input_width = H, output width = h in the equation */
620 if (output_width > input_width) {
621 dev_err(dev, "frame div mode is used for scale down only\n");
625 rsz = (input_width << 8) / output_width;
627 val = ((input_width << 8) / val) + 1;
632 val = input_width << 7;
637 o += ((CEIL(rsz, 1024)) << 1);
640 h2 = output_width - h1;
642 val = (h1 * rsz) - (((input_width >> 1) - o) << 8);
644 val1 = ((val - 1024) >> 9) << 1;
645 param->f_div.num_passes = MAX_PASSES;
646 param->f_div.pass[0].o_hsz = h1 - 1;
647 param->f_div.pass[0].i_hps = 0;
648 param->f_div.pass[0].h_phs = 0;
649 param->f_div.pass[0].src_hps = 0;
650 param->f_div.pass[0].src_hsz = (input_width >> 2) + o;
651 param->f_div.pass[1].o_hsz = h2 - 1;
652 param->f_div.pass[1].i_hps = val1;
653 param->f_div.pass[1].h_phs = val - (val1 << 8);
654 param->f_div.pass[1].src_hps = (input_width >> 2) - o;
655 param->f_div.pass[1].src_hsz = (input_width >> 2) + o;
661 resizer_configure_in_single_shot_mode(struct vpfe_resizer_device *resizer)
663 struct vpfe_rsz_config_params *config = &resizer->config.user_config;
664 struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
665 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
666 struct v4l2_mbus_framefmt *outformat1, *outformat2;
667 struct resizer_params *param = &resizer->config;
668 struct v4l2_mbus_framefmt *informat;
675 informat = &resizer->crop_resizer.formats[RESIZER_CROP_PAD_SINK];
676 outformat1 = &resizer->resizer_a.formats[RESIZER_PAD_SOURCE];
677 outformat2 = &resizer->resizer_b.formats[RESIZER_PAD_SOURCE];
679 decimation = vpfe_ipipeif_decimation_enabled(vpfe_dev);
680 rsz = vpfe_ipipeif_get_rsz(vpfe_dev);
681 if (decimation && param->user_config.frame_div_mode_en) {
683 "dec_en & frame_div_mode_en cannot enabled simultaneously\n");
687 ret = resizer_validate_decimation(dev, decimation, rsz,
688 param->user_config.frame_div_mode_en, informat->width);
692 ret = resizer_validate_input_image_format(dev, informat->code,
693 informat->width, informat->height, &line_len);
697 if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
698 param->rsz_en[RSZ_A] = ENABLE;
699 ret = resizer_validate_output_image_format(dev, outformat1,
700 &line_len, &line_len_c);
703 param->ext_mem_param[RSZ_A].rsz_sdr_oft_y = line_len;
704 param->ext_mem_param[RSZ_A].rsz_sdr_oft_c = line_len_c;
705 configure_resizer_out_params(resizer, RSZ_A,
706 ¶m->user_config.output1, 0, 1);
708 if (outformat1->code == MEDIA_BUS_FMT_SGRBG12_1X12)
709 param->rsz_common.raw_flip = 1;
711 param->rsz_common.raw_flip = 0;
713 if (outformat1->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16)
714 resizer_enable_422_420_conversion(param,
717 resizer_enable_422_420_conversion(param,
721 if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
722 param->rsz_en[RSZ_B] = ENABLE;
723 ret = resizer_validate_output_image_format(dev, outformat2,
724 &line_len, &line_len_c);
727 param->ext_mem_param[RSZ_B].rsz_sdr_oft_y = line_len;
728 param->ext_mem_param[RSZ_B].rsz_sdr_oft_c = line_len_c;
729 configure_resizer_out_params(resizer, RSZ_B,
730 ¶m->user_config.output2, 0, 1);
731 if (outformat2->code == MEDIA_BUS_FMT_YDYUYDYV8_1X16)
732 resizer_enable_422_420_conversion(param,
735 resizer_enable_422_420_conversion(param,
739 resizer_configure_common_in_params(resizer);
740 if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
741 resizer_calculate_resize_ratios(resizer, RSZ_A);
742 resizer_calculate_sdram_offsets(resizer, RSZ_A);
743 /* Overriding resize ratio calculation */
744 if (informat->code == MEDIA_BUS_FMT_UV8_1X8) {
745 param->rsz_rsc_param[RSZ_A].v_dif =
746 (((informat->height + 1) * 2) * 256) /
747 (param->rsz_rsc_param[RSZ_A].o_vsz + 1);
751 if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
752 resizer_calculate_resize_ratios(resizer, RSZ_B);
753 resizer_calculate_sdram_offsets(resizer, RSZ_B);
754 /* Overriding resize ratio calculation */
755 if (informat->code == MEDIA_BUS_FMT_UV8_1X8) {
756 param->rsz_rsc_param[RSZ_B].v_dif =
757 (((informat->height + 1) * 2) * 256) /
758 (param->rsz_rsc_param[RSZ_B].o_vsz + 1);
761 if (param->user_config.frame_div_mode_en &&
762 param->rsz_en[RSZ_A]) {
763 if (!param->rsz_rsc_param[RSZ_A].dscale_en)
764 ret = resizer_calculate_normal_f_div_param(dev,
766 param->rsz_rsc_param[RSZ_A].o_vsz + 1,
767 ¶m->rsz_rsc_param[RSZ_A]);
769 ret = resizer_calculate_down_scale_f_div_param(dev,
771 param->rsz_rsc_param[RSZ_A].o_vsz + 1,
772 ¶m->rsz_rsc_param[RSZ_A]);
776 if (param->user_config.frame_div_mode_en &&
777 param->rsz_en[RSZ_B]) {
778 if (!param->rsz_rsc_param[RSZ_B].dscale_en)
779 ret = resizer_calculate_normal_f_div_param(dev,
781 param->rsz_rsc_param[RSZ_B].o_vsz + 1,
782 ¶m->rsz_rsc_param[RSZ_B]);
784 ret = resizer_calculate_down_scale_f_div_param(dev,
786 param->rsz_rsc_param[RSZ_B].o_vsz + 1,
787 ¶m->rsz_rsc_param[RSZ_B]);
791 param->rsz_common.passthrough = config->bypass;
793 resizer_configure_passthru(resizer, 1);
798 resizer_set_defualt_configuration(struct vpfe_resizer_device *resizer)
804 const struct resizer_params rsz_default_config = {
805 .oper_mode = RESIZER_MODE_ONE_SHOT,
809 .src_img_fmt = RSZ_IMG_422,
810 .raw_flip = 1, /* flip preserve Raw format */
811 .source = IPIPE_DATA,
812 .passthrough = BYPASS_OFF,
815 .rsz_seq_crv = DISABLE,
816 .out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE,
824 .o_vsz = HEIGHT_O - 1,
825 .o_hsz = WIDTH_O - 1,
827 .v_typ_y = VPFE_RSZ_INTP_CUBIC,
828 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
830 .h_typ_y = VPFE_RSZ_INTP_CUBIC,
831 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
833 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
835 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
842 .o_vsz = HEIGHT_O - 1,
843 .o_hsz = WIDTH_O - 1,
845 .v_typ_y = VPFE_RSZ_INTP_CUBIC,
846 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
848 .h_typ_y = VPFE_RSZ_INTP_CUBIC,
849 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
851 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
853 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
866 .rsz_sdr_oft_y = WIDTH_O << 1,
867 .rsz_sdr_ptr_e_y = HEIGHT_O,
868 .rsz_sdr_oft_c = WIDTH_O,
869 .rsz_sdr_ptr_e_c = HEIGHT_O >> 1,
872 .rsz_sdr_oft_y = WIDTH_O << 1,
873 .rsz_sdr_ptr_e_y = HEIGHT_O,
874 .rsz_sdr_oft_c = WIDTH_O,
875 .rsz_sdr_ptr_e_c = HEIGHT_O,
879 .rsz_en[1] = DISABLE,
882 .v_typ_y = VPFE_RSZ_INTP_CUBIC,
883 .v_typ_c = VPFE_RSZ_INTP_CUBIC,
884 .h_typ_y = VPFE_RSZ_INTP_CUBIC,
885 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
887 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
889 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
892 .v_typ_y = VPFE_RSZ_INTP_CUBIC,
893 .v_typ_c = VPFE_RSZ_INTP_CUBIC,
894 .h_typ_y = VPFE_RSZ_INTP_CUBIC,
895 .h_typ_c = VPFE_RSZ_INTP_CUBIC,
897 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
899 VPFE_IPIPE_DWN_SCALE_1_OVER_2,
903 .out_chr_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE,
906 memcpy(&resizer->config, &rsz_default_config,
907 sizeof(struct resizer_params));
911 * resizer_set_configuration() - set resizer config
912 * @resizer: vpfe resizer device pointer.
913 * @chan_config: resizer channel configuration.
916 resizer_set_configuration(struct vpfe_resizer_device *resizer,
917 struct vpfe_rsz_config *chan_config)
919 if (!chan_config->config)
920 resizer_set_defualt_configuration(resizer);
922 if (copy_from_user(&resizer->config.user_config,
923 chan_config->config, sizeof(struct vpfe_rsz_config_params)))
930 * resizer_get_configuration() - get resizer config
931 * @resizer: vpfe resizer device pointer.
932 * @channel: image processor logical channel.
933 * @chan_config: resizer channel configuration.
936 resizer_get_configuration(struct vpfe_resizer_device *resizer,
937 struct vpfe_rsz_config *chan_config)
939 struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
941 if (!chan_config->config) {
942 dev_err(dev, "Resizer channel invalid pointer\n");
946 if (copy_to_user((void *)chan_config->config,
947 (void *)&resizer->config.user_config,
948 sizeof(struct vpfe_rsz_config_params))) {
949 dev_err(dev, "resizer_get_configuration: Error in copy to user\n");
957 * VPFE video operations
961 * resizer_a_video_out_queue() - RESIZER-A video out queue
962 * @vpfe_dev: vpfe device pointer.
963 * @addr: buffer address.
965 static int resizer_a_video_out_queue(struct vpfe_device *vpfe_dev,
968 struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer;
970 return resizer_set_outaddr(resizer->base_addr,
971 &resizer->config, RSZ_A, addr);
975 * resizer_b_video_out_queue() - RESIZER-B video out queue
976 * @vpfe_dev: vpfe device pointer.
977 * @addr: buffer address.
979 static int resizer_b_video_out_queue(struct vpfe_device *vpfe_dev,
982 struct vpfe_resizer_device *resizer = &vpfe_dev->vpfe_resizer;
984 return resizer_set_outaddr(resizer->base_addr,
985 &resizer->config, RSZ_B, addr);
988 static const struct vpfe_video_operations resizer_a_video_ops = {
989 .queue = resizer_a_video_out_queue,
992 static const struct vpfe_video_operations resizer_b_video_ops = {
993 .queue = resizer_b_video_out_queue,
996 static void resizer_enable(struct vpfe_resizer_device *resizer, int en)
998 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
999 u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
1002 if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE)
1005 if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_IPIPEIF &&
1006 ipipeif_sink == IPIPEIF_INPUT_MEMORY) {
1008 val = regr_rsz(resizer->base_addr, RSZ_SRC_EN);
1011 if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE) {
1013 val = regr_rsz(resizer->base_addr, RSZ_A);
1016 if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE) {
1018 val = regr_rsz(resizer->base_addr, RSZ_B);
1022 if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE)
1023 rsz_enable(resizer->base_addr, RSZ_A, en);
1025 if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE)
1026 rsz_enable(resizer->base_addr, RSZ_B, en);
1031 * resizer_ss_isr() - resizer module single-shot buffer scheduling isr
1032 * @resizer: vpfe resizer device pointer.
1034 static void resizer_ss_isr(struct vpfe_resizer_device *resizer)
1036 struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
1037 struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
1038 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1039 struct vpfe_pipeline *pipe = &video_out->pipe;
1040 u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
1043 if (ipipeif_sink != IPIPEIF_INPUT_MEMORY)
1046 if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
1047 val = vpss_dma_complete_interrupt();
1048 if (val != 0 && val != 2)
1052 if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
1053 spin_lock(&video_out->dma_queue_lock);
1054 vpfe_video_process_buffer_complete(video_out);
1055 video_out->state = VPFE_VIDEO_BUFFER_NOT_QUEUED;
1056 vpfe_video_schedule_next_buffer(video_out);
1057 spin_unlock(&video_out->dma_queue_lock);
1060 /* If resizer B is enabled */
1061 if (pipe->output_num > 1 && resizer->resizer_b.output ==
1062 RESIZER_OUPUT_MEMORY) {
1063 spin_lock(&video_out->dma_queue_lock);
1064 vpfe_video_process_buffer_complete(video_out2);
1065 video_out2->state = VPFE_VIDEO_BUFFER_NOT_QUEUED;
1066 vpfe_video_schedule_next_buffer(video_out2);
1067 spin_unlock(&video_out2->dma_queue_lock);
1070 /* start HW if buffers are queued */
1071 if (vpfe_video_is_pipe_ready(pipe) &&
1072 resizer->resizer_a.output == RESIZER_OUPUT_MEMORY) {
1073 resizer_enable(resizer, 1);
1074 vpfe_ipipe_enable(vpfe_dev, 1);
1075 vpfe_ipipeif_enable(vpfe_dev);
1080 * vpfe_resizer_buffer_isr() - resizer module buffer scheduling isr
1081 * @resizer: vpfe resizer device pointer.
1083 void vpfe_resizer_buffer_isr(struct vpfe_resizer_device *resizer)
1085 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1086 struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
1087 struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
1088 struct vpfe_pipeline *pipe = &resizer->resizer_a.video_out.pipe;
1089 enum v4l2_field field;
1092 if (!video_out->started)
1095 if (resizer->crop_resizer.input == RESIZER_CROP_INPUT_NONE)
1098 field = video_out->fmt.fmt.pix.field;
1099 if (field == V4L2_FIELD_NONE) {
1100 /* handle progressive frame capture */
1101 if (video_out->cur_frm != video_out->next_frm) {
1102 vpfe_video_process_buffer_complete(video_out);
1103 if (pipe->output_num > 1)
1104 vpfe_video_process_buffer_complete(video_out2);
1107 video_out->skip_frame_count--;
1108 if (!video_out->skip_frame_count) {
1109 video_out->skip_frame_count =
1110 video_out->skip_frame_count_init;
1111 rsz_src_enable(resizer->base_addr, 1);
1113 rsz_src_enable(resizer->base_addr, 0);
1118 /* handle interlaced frame capture */
1119 fid = vpfe_isif_get_fid(vpfe_dev);
1121 /* switch the software maintained field id */
1122 video_out->field_id ^= 1;
1123 if (fid == video_out->field_id) {
1125 * we are in-sync here,continue.
1126 * One frame is just being captured. If the
1127 * next frame is available, release the current
1130 if (fid == 0 && video_out->cur_frm != video_out->next_frm) {
1131 vpfe_video_process_buffer_complete(video_out);
1132 if (pipe->output_num > 1)
1133 vpfe_video_process_buffer_complete(video_out2);
1135 } else if (fid == 0) {
1137 * out of sync. Recover from any hardware out-of-sync.
1138 * May loose one frame
1140 video_out->field_id = fid;
1145 * vpfe_resizer_dma_isr() - resizer module dma isr
1146 * @resizer: vpfe resizer device pointer.
1148 void vpfe_resizer_dma_isr(struct vpfe_resizer_device *resizer)
1150 struct vpfe_video_device *video_out2 = &resizer->resizer_b.video_out;
1151 struct vpfe_video_device *video_out = &resizer->resizer_a.video_out;
1152 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1153 struct vpfe_pipeline *pipe = &video_out->pipe;
1154 int schedule_capture = 0;
1155 enum v4l2_field field;
1158 if (!video_out->started)
1161 if (pipe->state == VPFE_PIPELINE_STREAM_SINGLESHOT) {
1162 resizer_ss_isr(resizer);
1166 field = video_out->fmt.fmt.pix.field;
1167 if (field == V4L2_FIELD_NONE) {
1168 if (!list_empty(&video_out->dma_queue) &&
1169 video_out->cur_frm == video_out->next_frm)
1170 schedule_capture = 1;
1172 fid = vpfe_isif_get_fid(vpfe_dev);
1173 if (fid == video_out->field_id) {
1174 /* we are in-sync here,continue */
1175 if (fid == 1 && !list_empty(&video_out->dma_queue) &&
1176 video_out->cur_frm == video_out->next_frm)
1177 schedule_capture = 1;
1181 if (!schedule_capture)
1184 spin_lock(&video_out->dma_queue_lock);
1185 vpfe_video_schedule_next_buffer(video_out);
1186 spin_unlock(&video_out->dma_queue_lock);
1187 if (pipe->output_num > 1) {
1188 spin_lock(&video_out2->dma_queue_lock);
1189 vpfe_video_schedule_next_buffer(video_out2);
1190 spin_unlock(&video_out2->dma_queue_lock);
1195 * V4L2 subdev operations
1199 * resizer_ioctl() - Handle resizer module private ioctl's
1200 * @sd: pointer to v4l2 subdev structure
1201 * @cmd: configuration command
1202 * @arg: configuration argument
1204 static long resizer_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1206 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1207 struct device *dev = resizer->crop_resizer.subdev.v4l2_dev->dev;
1208 struct vpfe_rsz_config *user_config;
1209 int ret = -ENOIOCTLCMD;
1211 if (&resizer->crop_resizer.subdev != sd)
1215 case VIDIOC_VPFE_RSZ_S_CONFIG:
1217 ret = resizer_set_configuration(resizer, user_config);
1220 case VIDIOC_VPFE_RSZ_G_CONFIG:
1222 if (!user_config->config) {
1223 dev_err(dev, "error in VIDIOC_VPFE_RSZ_G_CONFIG\n");
1226 ret = resizer_get_configuration(resizer, user_config);
1232 static int resizer_do_hw_setup(struct vpfe_resizer_device *resizer)
1234 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1235 u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
1236 u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output;
1237 struct resizer_params *param = &resizer->config;
1240 if (resizer->resizer_a.output == RESIZER_OUPUT_MEMORY ||
1241 resizer->resizer_b.output == RESIZER_OUPUT_MEMORY) {
1242 if (ipipeif_sink == IPIPEIF_INPUT_MEMORY &&
1243 ipipeif_source == IPIPEIF_OUTPUT_RESIZER)
1244 ret = resizer_configure_in_single_shot_mode(resizer);
1246 ret = resizer_configure_in_continious_mode(resizer);
1249 ret = config_rsz_hw(resizer, param);
1255 * resizer_set_stream() - Enable/Disable streaming on resizer subdev
1256 * @sd: pointer to v4l2 subdev structure
1257 * @enable: 1 == Enable, 0 == Disable
1259 static int resizer_set_stream(struct v4l2_subdev *sd, int enable)
1261 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1263 if (&resizer->crop_resizer.subdev != sd)
1266 if (resizer->resizer_a.output != RESIZER_OUPUT_MEMORY)
1271 if (resizer_do_hw_setup(resizer) < 0)
1273 resizer_enable(resizer, enable);
1277 resizer_enable(resizer, enable);
1285 * __resizer_get_format() - helper function for getting resizer format
1286 * @sd: pointer to subdev.
1287 * @cfg: V4L2 subdev pad config
1289 * @which: wanted subdev format.
1290 * Retun wanted mbus frame format.
1292 static struct v4l2_mbus_framefmt *
1293 __resizer_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
1294 unsigned int pad, enum v4l2_subdev_format_whence which)
1296 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1298 if (which == V4L2_SUBDEV_FORMAT_TRY)
1299 return v4l2_subdev_get_try_format(sd, cfg, pad);
1300 if (&resizer->crop_resizer.subdev == sd)
1301 return &resizer->crop_resizer.formats[pad];
1302 if (&resizer->resizer_a.subdev == sd)
1303 return &resizer->resizer_a.formats[pad];
1304 if (&resizer->resizer_b.subdev == sd)
1305 return &resizer->resizer_b.formats[pad];
1310 * resizer_try_format() - Handle try format by pad subdev method
1311 * @sd: pointer to subdev.
1312 * @cfg: V4L2 subdev pad config
1314 * @fmt: pointer to v4l2 format structure.
1315 * @which: wanted subdev format.
1318 resizer_try_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
1319 unsigned int pad, struct v4l2_mbus_framefmt *fmt,
1320 enum v4l2_subdev_format_whence which)
1322 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1323 unsigned int max_out_height;
1324 unsigned int max_out_width;
1327 if ((&resizer->resizer_a.subdev == sd && pad == RESIZER_PAD_SINK) ||
1328 (&resizer->resizer_b.subdev == sd && pad == RESIZER_PAD_SINK) ||
1329 (&resizer->crop_resizer.subdev == sd &&
1330 (pad == RESIZER_CROP_PAD_SOURCE ||
1331 pad == RESIZER_CROP_PAD_SOURCE2 || pad == RESIZER_CROP_PAD_SINK))) {
1332 for (i = 0; i < ARRAY_SIZE(resizer_input_formats); i++) {
1333 if (fmt->code == resizer_input_formats[i])
1336 /* If not found, use UYVY as default */
1337 if (i >= ARRAY_SIZE(resizer_input_formats))
1338 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
1340 fmt->width = clamp_t(u32, fmt->width, MIN_IN_WIDTH,
1342 fmt->height = clamp_t(u32, fmt->height, MIN_IN_HEIGHT,
1344 } else if (&resizer->resizer_a.subdev == sd &&
1345 pad == RESIZER_PAD_SOURCE) {
1346 max_out_width = IPIPE_MAX_OUTPUT_WIDTH_A;
1347 max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_A;
1349 for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) {
1350 if (fmt->code == resizer_output_formats[i])
1353 /* If not found, use UYVY as default */
1354 if (i >= ARRAY_SIZE(resizer_output_formats))
1355 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
1357 fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH,
1360 fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT,
1362 } else if (&resizer->resizer_b.subdev == sd &&
1363 pad == RESIZER_PAD_SOURCE) {
1364 max_out_width = IPIPE_MAX_OUTPUT_WIDTH_B;
1365 max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_B;
1367 for (i = 0; i < ARRAY_SIZE(resizer_output_formats); i++) {
1368 if (fmt->code == resizer_output_formats[i])
1371 /* If not found, use UYVY as default */
1372 if (i >= ARRAY_SIZE(resizer_output_formats))
1373 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
1375 fmt->width = clamp_t(u32, fmt->width, MIN_OUT_WIDTH,
1378 fmt->height = clamp_t(u32, fmt->height, MIN_OUT_HEIGHT,
1384 * resizer_set_format() - Handle set format by pads subdev method
1385 * @sd: pointer to v4l2 subdev structure
1386 * @cfg: V4L2 subdev pad config
1387 * @fmt: pointer to v4l2 subdev format structure
1388 * return -EINVAL or zero on success
1390 static int resizer_set_format(struct v4l2_subdev *sd,
1391 struct v4l2_subdev_pad_config *cfg,
1392 struct v4l2_subdev_format *fmt)
1394 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1395 struct v4l2_mbus_framefmt *format;
1397 format = __resizer_get_format(sd, cfg, fmt->pad, fmt->which);
1401 resizer_try_format(sd, cfg, fmt->pad, &fmt->format, fmt->which);
1402 *format = fmt->format;
1404 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
1407 if (&resizer->crop_resizer.subdev == sd) {
1408 if (fmt->pad == RESIZER_CROP_PAD_SINK) {
1409 resizer->crop_resizer.formats[fmt->pad] = fmt->format;
1410 } else if (fmt->pad == RESIZER_CROP_PAD_SOURCE &&
1411 resizer->crop_resizer.output == RESIZER_A) {
1412 resizer->crop_resizer.formats[fmt->pad] = fmt->format;
1413 resizer->crop_resizer.
1414 formats[RESIZER_CROP_PAD_SOURCE2] = fmt->format;
1415 } else if (fmt->pad == RESIZER_CROP_PAD_SOURCE2 &&
1416 resizer->crop_resizer.output2 == RESIZER_B) {
1417 resizer->crop_resizer.formats[fmt->pad] = fmt->format;
1418 resizer->crop_resizer.
1419 formats[RESIZER_CROP_PAD_SOURCE] = fmt->format;
1423 } else if (&resizer->resizer_a.subdev == sd) {
1424 if (fmt->pad == RESIZER_PAD_SINK)
1425 resizer->resizer_a.formats[fmt->pad] = fmt->format;
1426 else if (fmt->pad == RESIZER_PAD_SOURCE)
1427 resizer->resizer_a.formats[fmt->pad] = fmt->format;
1430 } else if (&resizer->resizer_b.subdev == sd) {
1431 if (fmt->pad == RESIZER_PAD_SINK)
1432 resizer->resizer_b.formats[fmt->pad] = fmt->format;
1433 else if (fmt->pad == RESIZER_PAD_SOURCE)
1434 resizer->resizer_b.formats[fmt->pad] = fmt->format;
1445 * resizer_get_format() - Retrieve the video format on a pad
1446 * @sd: pointer to v4l2 subdev structure.
1447 * @cfg: V4L2 subdev pad config
1448 * @fmt: pointer to v4l2 subdev format structure
1449 * return -EINVAL or zero on success
1451 static int resizer_get_format(struct v4l2_subdev *sd,
1452 struct v4l2_subdev_pad_config *cfg,
1453 struct v4l2_subdev_format *fmt)
1455 struct v4l2_mbus_framefmt *format;
1457 format = __resizer_get_format(sd, cfg, fmt->pad, fmt->which);
1461 fmt->format = *format;
1467 * resizer_enum_frame_size() - enum frame sizes on pads
1468 * @sd: Pointer to subdevice.
1469 * @cfg: V4L2 subdev pad config
1470 * @code: pointer to v4l2_subdev_frame_size_enum structure.
1472 static int resizer_enum_frame_size(struct v4l2_subdev *sd,
1473 struct v4l2_subdev_pad_config *cfg,
1474 struct v4l2_subdev_frame_size_enum *fse)
1476 struct v4l2_mbus_framefmt format;
1478 if (fse->index != 0)
1481 format.code = fse->code;
1484 resizer_try_format(sd, cfg, fse->pad, &format, fse->which);
1485 fse->min_width = format.width;
1486 fse->min_height = format.height;
1488 if (format.code != fse->code)
1491 format.code = fse->code;
1494 resizer_try_format(sd, cfg, fse->pad, &format, fse->which);
1495 fse->max_width = format.width;
1496 fse->max_height = format.height;
1502 * resizer_enum_mbus_code() - enum mbus codes for pads
1503 * @sd: Pointer to subdevice.
1504 * @cfg: V4L2 subdev pad config
1505 * @code: pointer to v4l2_subdev_mbus_code_enum structure
1507 static int resizer_enum_mbus_code(struct v4l2_subdev *sd,
1508 struct v4l2_subdev_pad_config *cfg,
1509 struct v4l2_subdev_mbus_code_enum *code)
1511 if (code->pad == RESIZER_PAD_SINK) {
1512 if (code->index >= ARRAY_SIZE(resizer_input_formats))
1515 code->code = resizer_input_formats[code->index];
1516 } else if (code->pad == RESIZER_PAD_SOURCE) {
1517 if (code->index >= ARRAY_SIZE(resizer_output_formats))
1520 code->code = resizer_output_formats[code->index];
1527 * resizer_init_formats() - Initialize formats on all pads
1528 * @sd: Pointer to subdevice.
1529 * @fh: V4L2 subdev file handle.
1531 * Initialize all pad formats with default values. Try formats are
1532 * initialized on the file handle.
1534 static int resizer_init_formats(struct v4l2_subdev *sd,
1535 struct v4l2_subdev_fh *fh)
1537 __u32 which = V4L2_SUBDEV_FORMAT_TRY;
1538 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1539 struct v4l2_subdev_format format;
1541 if (&resizer->crop_resizer.subdev == sd) {
1542 memset(&format, 0, sizeof(format));
1543 format.pad = RESIZER_CROP_PAD_SINK;
1544 format.which = which;
1545 format.format.code = MEDIA_BUS_FMT_YUYV8_2X8;
1546 format.format.width = MAX_IN_WIDTH;
1547 format.format.height = MAX_IN_HEIGHT;
1548 resizer_set_format(sd, fh->pad, &format);
1550 memset(&format, 0, sizeof(format));
1551 format.pad = RESIZER_CROP_PAD_SOURCE;
1552 format.which = which;
1553 format.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
1554 format.format.width = MAX_IN_WIDTH;
1555 format.format.height = MAX_IN_WIDTH;
1556 resizer_set_format(sd, fh->pad, &format);
1558 memset(&format, 0, sizeof(format));
1559 format.pad = RESIZER_CROP_PAD_SOURCE2;
1560 format.which = which;
1561 format.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
1562 format.format.width = MAX_IN_WIDTH;
1563 format.format.height = MAX_IN_WIDTH;
1564 resizer_set_format(sd, fh->pad, &format);
1565 } else if (&resizer->resizer_a.subdev == sd) {
1566 memset(&format, 0, sizeof(format));
1567 format.pad = RESIZER_PAD_SINK;
1568 format.which = which;
1569 format.format.code = MEDIA_BUS_FMT_YUYV8_2X8;
1570 format.format.width = MAX_IN_WIDTH;
1571 format.format.height = MAX_IN_HEIGHT;
1572 resizer_set_format(sd, fh->pad, &format);
1574 memset(&format, 0, sizeof(format));
1575 format.pad = RESIZER_PAD_SOURCE;
1576 format.which = which;
1577 format.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
1578 format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A;
1579 format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A;
1580 resizer_set_format(sd, fh->pad, &format);
1581 } else if (&resizer->resizer_b.subdev == sd) {
1582 memset(&format, 0, sizeof(format));
1583 format.pad = RESIZER_PAD_SINK;
1584 format.which = which;
1585 format.format.code = MEDIA_BUS_FMT_YUYV8_2X8;
1586 format.format.width = MAX_IN_WIDTH;
1587 format.format.height = MAX_IN_HEIGHT;
1588 resizer_set_format(sd, fh->pad, &format);
1590 memset(&format, 0, sizeof(format));
1591 format.pad = RESIZER_PAD_SOURCE;
1592 format.which = which;
1593 format.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
1594 format.format.width = IPIPE_MAX_OUTPUT_WIDTH_B;
1595 format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_B;
1596 resizer_set_format(sd, fh->pad, &format);
1602 /* subdev core operations */
1603 static const struct v4l2_subdev_core_ops resizer_v4l2_core_ops = {
1604 .ioctl = resizer_ioctl,
1607 /* subdev internal operations */
1608 static const struct v4l2_subdev_internal_ops resizer_v4l2_internal_ops = {
1609 .open = resizer_init_formats,
1612 /* subdev video operations */
1613 static const struct v4l2_subdev_video_ops resizer_v4l2_video_ops = {
1614 .s_stream = resizer_set_stream,
1617 /* subdev pad operations */
1618 static const struct v4l2_subdev_pad_ops resizer_v4l2_pad_ops = {
1619 .enum_mbus_code = resizer_enum_mbus_code,
1620 .enum_frame_size = resizer_enum_frame_size,
1621 .get_fmt = resizer_get_format,
1622 .set_fmt = resizer_set_format,
1625 /* subdev operations */
1626 static const struct v4l2_subdev_ops resizer_v4l2_ops = {
1627 .core = &resizer_v4l2_core_ops,
1628 .video = &resizer_v4l2_video_ops,
1629 .pad = &resizer_v4l2_pad_ops,
1633 * Media entity operations
1637 * resizer_link_setup() - Setup resizer connections
1638 * @entity: Pointer to media entity structure
1639 * @local: Pointer to local pad array
1640 * @remote: Pointer to remote pad array
1641 * @flags: Link flags
1642 * return -EINVAL or zero on success
1644 static int resizer_link_setup(struct media_entity *entity,
1645 const struct media_pad *local,
1646 const struct media_pad *remote, u32 flags)
1648 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1649 struct vpfe_resizer_device *resizer = v4l2_get_subdevdata(sd);
1650 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1651 u16 ipipeif_source = vpfe_dev->vpfe_ipipeif.output;
1652 u16 ipipe_source = vpfe_dev->vpfe_ipipe.output;
1653 unsigned int index = local->index;
1655 /* FIXME: this is actually a hack! */
1656 if (is_media_entity_v4l2_subdev(remote->entity))
1659 if (&resizer->crop_resizer.subdev == sd) {
1661 case RESIZER_CROP_PAD_SINK | 2 << 16:
1662 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1663 resizer->crop_resizer.input =
1664 RESIZER_CROP_INPUT_NONE;
1668 if (resizer->crop_resizer.input !=
1669 RESIZER_CROP_INPUT_NONE)
1671 if (ipipeif_source == IPIPEIF_OUTPUT_RESIZER)
1672 resizer->crop_resizer.input =
1673 RESIZER_CROP_INPUT_IPIPEIF;
1674 else if (ipipe_source == IPIPE_OUTPUT_RESIZER)
1675 resizer->crop_resizer.input =
1676 RESIZER_CROP_INPUT_IPIPE;
1681 case RESIZER_CROP_PAD_SOURCE | 2 << 16:
1682 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1683 resizer->crop_resizer.output =
1684 RESIZER_CROP_OUTPUT_NONE;
1687 if (resizer->crop_resizer.output !=
1688 RESIZER_CROP_OUTPUT_NONE)
1690 resizer->crop_resizer.output = RESIZER_A;
1693 case RESIZER_CROP_PAD_SOURCE2 | 2 << 16:
1694 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1695 resizer->crop_resizer.output2 =
1696 RESIZER_CROP_OUTPUT_NONE;
1699 if (resizer->crop_resizer.output2 !=
1700 RESIZER_CROP_OUTPUT_NONE)
1702 resizer->crop_resizer.output2 = RESIZER_B;
1708 } else if (&resizer->resizer_a.subdev == sd) {
1710 case RESIZER_PAD_SINK | 2 << 16:
1711 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1712 resizer->resizer_a.input = RESIZER_INPUT_NONE;
1715 if (resizer->resizer_a.input != RESIZER_INPUT_NONE)
1717 resizer->resizer_a.input = RESIZER_INPUT_CROP_RESIZER;
1720 case RESIZER_PAD_SOURCE:
1721 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1722 resizer->resizer_a.output = RESIZER_OUTPUT_NONE;
1725 if (resizer->resizer_a.output != RESIZER_OUTPUT_NONE)
1727 resizer->resizer_a.output = RESIZER_OUPUT_MEMORY;
1733 } else if (&resizer->resizer_b.subdev == sd) {
1735 case RESIZER_PAD_SINK | 2 << 16:
1736 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1737 resizer->resizer_b.input = RESIZER_INPUT_NONE;
1740 if (resizer->resizer_b.input != RESIZER_INPUT_NONE)
1742 resizer->resizer_b.input = RESIZER_INPUT_CROP_RESIZER;
1745 case RESIZER_PAD_SOURCE:
1746 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1747 resizer->resizer_b.output = RESIZER_OUTPUT_NONE;
1750 if (resizer->resizer_b.output != RESIZER_OUTPUT_NONE)
1752 resizer->resizer_b.output = RESIZER_OUPUT_MEMORY;
1765 static const struct media_entity_operations resizer_media_ops = {
1766 .link_setup = resizer_link_setup,
1770 * vpfe_resizer_unregister_entities() - Unregister entity
1771 * @vpfe_rsz - pointer to resizer subdevice structure.
1773 void vpfe_resizer_unregister_entities(struct vpfe_resizer_device *vpfe_rsz)
1775 /* unregister video devices */
1776 vpfe_video_unregister(&vpfe_rsz->resizer_a.video_out);
1777 vpfe_video_unregister(&vpfe_rsz->resizer_b.video_out);
1779 /* unregister subdev */
1780 v4l2_device_unregister_subdev(&vpfe_rsz->crop_resizer.subdev);
1781 v4l2_device_unregister_subdev(&vpfe_rsz->resizer_a.subdev);
1782 v4l2_device_unregister_subdev(&vpfe_rsz->resizer_b.subdev);
1783 /* cleanup entity */
1784 media_entity_cleanup(&vpfe_rsz->crop_resizer.subdev.entity);
1785 media_entity_cleanup(&vpfe_rsz->resizer_a.subdev.entity);
1786 media_entity_cleanup(&vpfe_rsz->resizer_b.subdev.entity);
1790 * vpfe_resizer_register_entities() - Register entity
1791 * @resizer - pointer to resizer devive.
1792 * @vdev: pointer to v4l2 device structure.
1794 int vpfe_resizer_register_entities(struct vpfe_resizer_device *resizer,
1795 struct v4l2_device *vdev)
1797 struct vpfe_device *vpfe_dev = to_vpfe_device(resizer);
1798 unsigned int flags = 0;
1801 /* Register the crop resizer subdev */
1802 ret = v4l2_device_register_subdev(vdev, &resizer->crop_resizer.subdev);
1804 pr_err("Failed to register crop resizer as v4l2-subdev\n");
1807 /* Register Resizer-A subdev */
1808 ret = v4l2_device_register_subdev(vdev, &resizer->resizer_a.subdev);
1810 pr_err("Failed to register resizer-a as v4l2-subdev\n");
1813 /* Register Resizer-B subdev */
1814 ret = v4l2_device_register_subdev(vdev, &resizer->resizer_b.subdev);
1816 pr_err("Failed to register resizer-b as v4l2-subdev\n");
1819 /* Register video-out device for resizer-a */
1820 ret = vpfe_video_register(&resizer->resizer_a.video_out, vdev);
1822 pr_err("Failed to register RSZ-A video-out device\n");
1823 goto out_video_out2_register;
1825 resizer->resizer_a.video_out.vpfe_dev = vpfe_dev;
1827 /* Register video-out device for resizer-b */
1828 ret = vpfe_video_register(&resizer->resizer_b.video_out, vdev);
1830 pr_err("Failed to register RSZ-B video-out device\n");
1831 goto out_video_out2_register;
1833 resizer->resizer_b.video_out.vpfe_dev = vpfe_dev;
1835 /* create link between Resizer Crop----> Resizer A*/
1836 ret = media_create_pad_link(&resizer->crop_resizer.subdev.entity, 1,
1837 &resizer->resizer_a.subdev.entity,
1840 goto out_create_link;
1842 /* create link between Resizer Crop----> Resizer B*/
1843 ret = media_create_pad_link(&resizer->crop_resizer.subdev.entity, 2,
1844 &resizer->resizer_b.subdev.entity,
1847 goto out_create_link;
1849 /* create link between Resizer A ----> video out */
1850 ret = media_create_pad_link(&resizer->resizer_a.subdev.entity, 1,
1851 &resizer->resizer_a.video_out.video_dev.entity, 0, flags);
1853 goto out_create_link;
1855 /* create link between Resizer B ----> video out */
1856 ret = media_create_pad_link(&resizer->resizer_b.subdev.entity, 1,
1857 &resizer->resizer_b.video_out.video_dev.entity, 0, flags);
1859 goto out_create_link;
1864 vpfe_video_unregister(&resizer->resizer_b.video_out);
1865 out_video_out2_register:
1866 vpfe_video_unregister(&resizer->resizer_a.video_out);
1867 v4l2_device_unregister_subdev(&resizer->crop_resizer.subdev);
1868 v4l2_device_unregister_subdev(&resizer->resizer_a.subdev);
1869 v4l2_device_unregister_subdev(&resizer->resizer_b.subdev);
1870 media_entity_cleanup(&resizer->crop_resizer.subdev.entity);
1871 media_entity_cleanup(&resizer->resizer_a.subdev.entity);
1872 media_entity_cleanup(&resizer->resizer_b.subdev.entity);
1877 * vpfe_resizer_init() - resizer device initialization.
1878 * @vpfe_rsz - pointer to resizer device
1879 * @pdev: platform device pointer.
1881 int vpfe_resizer_init(struct vpfe_resizer_device *vpfe_rsz,
1882 struct platform_device *pdev)
1884 struct v4l2_subdev *sd = &vpfe_rsz->crop_resizer.subdev;
1885 struct media_pad *pads = &vpfe_rsz->crop_resizer.pads[0];
1886 struct media_entity *me = &sd->entity;
1887 static resource_size_t res_len;
1888 struct resource *res;
1891 res = platform_get_resource(pdev, IORESOURCE_MEM, 5);
1895 res_len = resource_size(res);
1896 res = request_mem_region(res->start, res_len, res->name);
1900 vpfe_rsz->base_addr = ioremap_nocache(res->start, res_len);
1901 if (!vpfe_rsz->base_addr)
1904 v4l2_subdev_init(sd, &resizer_v4l2_ops);
1905 sd->internal_ops = &resizer_v4l2_internal_ops;
1906 strlcpy(sd->name, "DAVINCI RESIZER CROP", sizeof(sd->name));
1907 sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
1908 v4l2_set_subdevdata(sd, vpfe_rsz);
1909 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1911 pads[RESIZER_CROP_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
1912 pads[RESIZER_CROP_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
1913 pads[RESIZER_CROP_PAD_SOURCE2].flags = MEDIA_PAD_FL_SOURCE;
1915 vpfe_rsz->crop_resizer.input = RESIZER_CROP_INPUT_NONE;
1916 vpfe_rsz->crop_resizer.output = RESIZER_CROP_OUTPUT_NONE;
1917 vpfe_rsz->crop_resizer.output2 = RESIZER_CROP_OUTPUT_NONE;
1918 vpfe_rsz->crop_resizer.rsz_device = vpfe_rsz;
1919 me->ops = &resizer_media_ops;
1920 ret = media_entity_pads_init(me, RESIZER_CROP_PADS_NUM, pads);
1924 sd = &vpfe_rsz->resizer_a.subdev;
1925 pads = &vpfe_rsz->resizer_a.pads[0];
1928 v4l2_subdev_init(sd, &resizer_v4l2_ops);
1929 sd->internal_ops = &resizer_v4l2_internal_ops;
1930 strlcpy(sd->name, "DAVINCI RESIZER A", sizeof(sd->name));
1931 sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
1932 v4l2_set_subdevdata(sd, vpfe_rsz);
1933 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1935 pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
1936 pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
1938 vpfe_rsz->resizer_a.input = RESIZER_INPUT_NONE;
1939 vpfe_rsz->resizer_a.output = RESIZER_OUTPUT_NONE;
1940 vpfe_rsz->resizer_a.rsz_device = vpfe_rsz;
1941 me->ops = &resizer_media_ops;
1942 ret = media_entity_pads_init(me, RESIZER_PADS_NUM, pads);
1946 sd = &vpfe_rsz->resizer_b.subdev;
1947 pads = &vpfe_rsz->resizer_b.pads[0];
1950 v4l2_subdev_init(sd, &resizer_v4l2_ops);
1951 sd->internal_ops = &resizer_v4l2_internal_ops;
1952 strlcpy(sd->name, "DAVINCI RESIZER B", sizeof(sd->name));
1953 sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
1954 v4l2_set_subdevdata(sd, vpfe_rsz);
1955 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1957 pads[RESIZER_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
1958 pads[RESIZER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
1960 vpfe_rsz->resizer_b.input = RESIZER_INPUT_NONE;
1961 vpfe_rsz->resizer_b.output = RESIZER_OUTPUT_NONE;
1962 vpfe_rsz->resizer_b.rsz_device = vpfe_rsz;
1963 me->ops = &resizer_media_ops;
1964 ret = media_entity_pads_init(me, RESIZER_PADS_NUM, pads);
1968 vpfe_rsz->resizer_a.video_out.ops = &resizer_a_video_ops;
1969 vpfe_rsz->resizer_a.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1970 ret = vpfe_video_init(&vpfe_rsz->resizer_a.video_out, "RSZ-A");
1972 pr_err("Failed to init RSZ video-out device\n");
1975 vpfe_rsz->resizer_b.video_out.ops = &resizer_b_video_ops;
1976 vpfe_rsz->resizer_b.video_out.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1977 ret = vpfe_video_init(&vpfe_rsz->resizer_b.video_out, "RSZ-B");
1979 pr_err("Failed to init RSZ video-out2 device\n");
1982 memset(&vpfe_rsz->config, 0, sizeof(struct resizer_params));
1988 vpfe_resizer_cleanup(struct vpfe_resizer_device *vpfe_rsz,
1989 struct platform_device *pdev)
1991 struct resource *res;
1993 iounmap(vpfe_rsz->base_addr);
1994 res = platform_get_resource(pdev, IORESOURCE_MEM, 5);
1996 release_mem_region(res->start,
1997 resource_size(res));