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 * IPIPE allows fine tuning of the input image using different
23 * tuning modules in IPIPE. Some examples :- Noise filter, Defect
24 * pixel correction etc. It essentially operate on Bayer Raw data
25 * or YUV raw data. To do image tuning, application call,
26 *
27 */
28
29 #include <linux/slab.h>
30 #include <linux/bitops.h>
31
32 #include "dm365_ipipe.h"
33 #include "dm365_ipipe_hw.h"
34 #include "vpfe_mc_capture.h"
35
36 #define MIN_OUT_WIDTH 32
37 #define MIN_OUT_HEIGHT 32
38
39 /* ipipe input format's */
40 static const unsigned int ipipe_input_fmts[] = {
41 MEDIA_BUS_FMT_UYVY8_2X8,
42 MEDIA_BUS_FMT_SGRBG12_1X12,
43 MEDIA_BUS_FMT_SGRBG10_DPCM8_1X8,
44 MEDIA_BUS_FMT_SGRBG10_ALAW8_1X8,
45 };
46
47 /* ipipe output format's */
48 static const unsigned int ipipe_output_fmts[] = {
49 MEDIA_BUS_FMT_UYVY8_2X8,
50 };
51
ipipe_validate_lutdpc_params(struct vpfe_ipipe_lutdpc * lutdpc)52 static int ipipe_validate_lutdpc_params(struct vpfe_ipipe_lutdpc *lutdpc)
53 {
54 int i;
55
56 if (lutdpc->en > 1 || lutdpc->repl_white > 1 ||
57 lutdpc->dpc_size > LUT_DPC_MAX_SIZE)
58 return -EINVAL;
59
60 if (lutdpc->en)
61 return -EINVAL;
62
63 for (i = 0; i < lutdpc->dpc_size; i++)
64 if (lutdpc->table[i].horz_pos > LUT_DPC_H_POS_MASK ||
65 lutdpc->table[i].vert_pos > LUT_DPC_V_POS_MASK)
66 return -EINVAL;
67
68 return 0;
69 }
70
ipipe_set_lutdpc_params(struct vpfe_ipipe_device * ipipe,void * param)71 static int ipipe_set_lutdpc_params(struct vpfe_ipipe_device *ipipe, void *param)
72 {
73 struct vpfe_ipipe_lutdpc *lutdpc = &ipipe->config.lutdpc;
74 struct vpfe_ipipe_lutdpc *dpc_param;
75
76 if (!param) {
77 memset((void *)lutdpc, 0, sizeof(struct vpfe_ipipe_lutdpc));
78 goto success;
79 }
80
81 dpc_param = param;
82 lutdpc->en = dpc_param->en;
83 lutdpc->repl_white = dpc_param->repl_white;
84 lutdpc->dpc_size = dpc_param->dpc_size;
85 memcpy(&lutdpc->table, &dpc_param->table,
86 (dpc_param->dpc_size * sizeof(struct vpfe_ipipe_lutdpc_entry)));
87 if (ipipe_validate_lutdpc_params(lutdpc) < 0)
88 return -EINVAL;
89
90 success:
91 ipipe_set_lutdpc_regs(ipipe->base_addr, ipipe->isp5_base_addr, lutdpc);
92
93 return 0;
94 }
95
ipipe_get_lutdpc_params(struct vpfe_ipipe_device * ipipe,void * param)96 static int ipipe_get_lutdpc_params(struct vpfe_ipipe_device *ipipe, void *param)
97 {
98 struct vpfe_ipipe_lutdpc *lut_param = param;
99 struct vpfe_ipipe_lutdpc *lutdpc = &ipipe->config.lutdpc;
100
101 lut_param->en = lutdpc->en;
102 lut_param->repl_white = lutdpc->repl_white;
103 lut_param->dpc_size = lutdpc->dpc_size;
104 memcpy(&lut_param->table, &lutdpc->table,
105 (lutdpc->dpc_size * sizeof(struct vpfe_ipipe_lutdpc_entry)));
106
107 return 0;
108 }
109
ipipe_set_input_config(struct vpfe_ipipe_device * ipipe,void * param)110 static int ipipe_set_input_config(struct vpfe_ipipe_device *ipipe, void *param)
111 {
112 struct vpfe_ipipe_input_config *config = &ipipe->config.input_config;
113
114 if (!param)
115 memset(config, 0, sizeof(struct vpfe_ipipe_input_config));
116 else
117 memcpy(config, param, sizeof(struct vpfe_ipipe_input_config));
118 return 0;
119 }
120
ipipe_get_input_config(struct vpfe_ipipe_device * ipipe,void * param)121 static int ipipe_get_input_config(struct vpfe_ipipe_device *ipipe, void *param)
122 {
123 struct vpfe_ipipe_input_config *config = &ipipe->config.input_config;
124
125 if (!param)
126 return -EINVAL;
127
128 memcpy(param, config, sizeof(struct vpfe_ipipe_input_config));
129
130 return 0;
131 }
132
ipipe_validate_otfdpc_params(struct vpfe_ipipe_otfdpc * dpc_param)133 static int ipipe_validate_otfdpc_params(struct vpfe_ipipe_otfdpc *dpc_param)
134 {
135 struct vpfe_ipipe_otfdpc_2_0_cfg *dpc_2_0;
136 struct vpfe_ipipe_otfdpc_3_0_cfg *dpc_3_0;
137
138 if (dpc_param->en > 1)
139 return -EINVAL;
140
141 if (dpc_param->alg == VPFE_IPIPE_OTFDPC_2_0) {
142 dpc_2_0 = &dpc_param->alg_cfg.dpc_2_0;
143 if (dpc_2_0->det_thr.r > OTFDPC_DPC2_THR_MASK ||
144 dpc_2_0->det_thr.gr > OTFDPC_DPC2_THR_MASK ||
145 dpc_2_0->det_thr.gb > OTFDPC_DPC2_THR_MASK ||
146 dpc_2_0->det_thr.b > OTFDPC_DPC2_THR_MASK ||
147 dpc_2_0->corr_thr.r > OTFDPC_DPC2_THR_MASK ||
148 dpc_2_0->corr_thr.gr > OTFDPC_DPC2_THR_MASK ||
149 dpc_2_0->corr_thr.gb > OTFDPC_DPC2_THR_MASK ||
150 dpc_2_0->corr_thr.b > OTFDPC_DPC2_THR_MASK)
151 return -EINVAL;
152 return 0;
153 }
154
155 dpc_3_0 = &dpc_param->alg_cfg.dpc_3_0;
156
157 if (dpc_3_0->act_adj_shf > OTF_DPC3_0_SHF_MASK ||
158 dpc_3_0->det_thr > OTF_DPC3_0_DET_MASK ||
159 dpc_3_0->det_slp > OTF_DPC3_0_SLP_MASK ||
160 dpc_3_0->det_thr_min > OTF_DPC3_0_DET_MASK ||
161 dpc_3_0->det_thr_max > OTF_DPC3_0_DET_MASK ||
162 dpc_3_0->corr_thr > OTF_DPC3_0_CORR_MASK ||
163 dpc_3_0->corr_slp > OTF_DPC3_0_SLP_MASK ||
164 dpc_3_0->corr_thr_min > OTF_DPC3_0_CORR_MASK ||
165 dpc_3_0->corr_thr_max > OTF_DPC3_0_CORR_MASK)
166 return -EINVAL;
167
168 return 0;
169 }
170
ipipe_set_otfdpc_params(struct vpfe_ipipe_device * ipipe,void * param)171 static int ipipe_set_otfdpc_params(struct vpfe_ipipe_device *ipipe, void *param)
172 {
173 struct vpfe_ipipe_otfdpc *dpc_param = param;
174 struct vpfe_ipipe_otfdpc *otfdpc = &ipipe->config.otfdpc;
175 struct device *dev;
176
177 if (!param) {
178 memset((void *)otfdpc, 0, sizeof(struct ipipe_otfdpc_2_0));
179 goto success;
180 }
181 dev = ipipe->subdev.v4l2_dev->dev;
182 memcpy(otfdpc, dpc_param, sizeof(struct vpfe_ipipe_otfdpc));
183 if (ipipe_validate_otfdpc_params(otfdpc) < 0) {
184 dev_err(dev, "Invalid otfdpc params\n");
185 return -EINVAL;
186 }
187
188 success:
189 ipipe_set_otfdpc_regs(ipipe->base_addr, otfdpc);
190
191 return 0;
192 }
193
ipipe_get_otfdpc_params(struct vpfe_ipipe_device * ipipe,void * param)194 static int ipipe_get_otfdpc_params(struct vpfe_ipipe_device *ipipe, void *param)
195 {
196 struct vpfe_ipipe_otfdpc *dpc_param = param;
197 struct vpfe_ipipe_otfdpc *otfdpc = &ipipe->config.otfdpc;
198
199 memcpy(dpc_param, otfdpc, sizeof(struct vpfe_ipipe_otfdpc));
200 return 0;
201 }
202
ipipe_validate_nf_params(struct vpfe_ipipe_nf * nf_param)203 static int ipipe_validate_nf_params(struct vpfe_ipipe_nf *nf_param)
204 {
205 int i;
206
207 if (nf_param->en > 1 || nf_param->shft_val > D2F_SHFT_VAL_MASK ||
208 nf_param->spread_val > D2F_SPR_VAL_MASK ||
209 nf_param->apply_lsc_gain > 1 ||
210 nf_param->edge_det_min_thr > D2F_EDGE_DET_THR_MASK ||
211 nf_param->edge_det_max_thr > D2F_EDGE_DET_THR_MASK)
212 return -EINVAL;
213
214 for (i = 0; i < VPFE_IPIPE_NF_THR_TABLE_SIZE; i++)
215 if (nf_param->thr[i] > D2F_THR_VAL_MASK)
216 return -EINVAL;
217
218 for (i = 0; i < VPFE_IPIPE_NF_STR_TABLE_SIZE; i++)
219 if (nf_param->str[i] > D2F_STR_VAL_MASK)
220 return -EINVAL;
221
222 return 0;
223 }
224
ipipe_set_nf_params(struct vpfe_ipipe_device * ipipe,unsigned int id,void * param)225 static int ipipe_set_nf_params(struct vpfe_ipipe_device *ipipe,
226 unsigned int id, void *param)
227 {
228 struct vpfe_ipipe_nf *nf_param = param;
229 struct vpfe_ipipe_nf *nf = &ipipe->config.nf1;
230 struct device *dev;
231
232 if (id == IPIPE_D2F_2ND)
233 nf = &ipipe->config.nf2;
234
235 if (!nf_param) {
236 memset((void *)nf, 0, sizeof(struct vpfe_ipipe_nf));
237 goto success;
238 }
239
240 dev = ipipe->subdev.v4l2_dev->dev;
241 memcpy(nf, nf_param, sizeof(struct vpfe_ipipe_nf));
242 if (ipipe_validate_nf_params(nf) < 0) {
243 dev_err(dev, "Invalid nf params\n");
244 return -EINVAL;
245 }
246
247 success:
248 ipipe_set_d2f_regs(ipipe->base_addr, id, nf);
249
250 return 0;
251 }
252
ipipe_set_nf1_params(struct vpfe_ipipe_device * ipipe,void * param)253 static int ipipe_set_nf1_params(struct vpfe_ipipe_device *ipipe, void *param)
254 {
255 return ipipe_set_nf_params(ipipe, IPIPE_D2F_1ST, param);
256 }
257
ipipe_set_nf2_params(struct vpfe_ipipe_device * ipipe,void * param)258 static int ipipe_set_nf2_params(struct vpfe_ipipe_device *ipipe, void *param)
259 {
260 return ipipe_set_nf_params(ipipe, IPIPE_D2F_2ND, param);
261 }
262
ipipe_get_nf_params(struct vpfe_ipipe_device * ipipe,unsigned int id,void * param)263 static int ipipe_get_nf_params(struct vpfe_ipipe_device *ipipe,
264 unsigned int id, void *param)
265 {
266 struct vpfe_ipipe_nf *nf_param = param;
267 struct vpfe_ipipe_nf *nf = &ipipe->config.nf1;
268
269 if (id == IPIPE_D2F_2ND)
270 nf = &ipipe->config.nf2;
271
272 memcpy(nf_param, nf, sizeof(struct vpfe_ipipe_nf));
273
274 return 0;
275 }
276
ipipe_get_nf1_params(struct vpfe_ipipe_device * ipipe,void * param)277 static int ipipe_get_nf1_params(struct vpfe_ipipe_device *ipipe, void *param)
278 {
279 return ipipe_get_nf_params(ipipe, IPIPE_D2F_1ST, param);
280 }
281
ipipe_get_nf2_params(struct vpfe_ipipe_device * ipipe,void * param)282 static int ipipe_get_nf2_params(struct vpfe_ipipe_device *ipipe, void *param)
283 {
284 return ipipe_get_nf_params(ipipe, IPIPE_D2F_2ND, param);
285 }
286
ipipe_validate_gic_params(struct vpfe_ipipe_gic * gic)287 static int ipipe_validate_gic_params(struct vpfe_ipipe_gic *gic)
288 {
289 if (gic->en > 1 || gic->gain > GIC_GAIN_MASK ||
290 gic->thr > GIC_THR_MASK || gic->slope > GIC_SLOPE_MASK ||
291 gic->apply_lsc_gain > 1 ||
292 gic->nf2_thr_gain.integer > GIC_NFGAN_INT_MASK ||
293 gic->nf2_thr_gain.decimal > GIC_NFGAN_DECI_MASK)
294 return -EINVAL;
295
296 return 0;
297 }
298
ipipe_set_gic_params(struct vpfe_ipipe_device * ipipe,void * param)299 static int ipipe_set_gic_params(struct vpfe_ipipe_device *ipipe, void *param)
300 {
301 struct vpfe_ipipe_gic *gic_param = param;
302 struct device *dev = ipipe->subdev.v4l2_dev->dev;
303 struct vpfe_ipipe_gic *gic = &ipipe->config.gic;
304
305 if (!gic_param) {
306 memset((void *)gic, 0, sizeof(struct vpfe_ipipe_gic));
307 goto success;
308 }
309
310 memcpy(gic, gic_param, sizeof(struct vpfe_ipipe_gic));
311 if (ipipe_validate_gic_params(gic) < 0) {
312 dev_err(dev, "Invalid gic params\n");
313 return -EINVAL;
314 }
315
316 success:
317 ipipe_set_gic_regs(ipipe->base_addr, gic);
318
319 return 0;
320 }
321
ipipe_get_gic_params(struct vpfe_ipipe_device * ipipe,void * param)322 static int ipipe_get_gic_params(struct vpfe_ipipe_device *ipipe, void *param)
323 {
324 struct vpfe_ipipe_gic *gic_param = param;
325 struct vpfe_ipipe_gic *gic = &ipipe->config.gic;
326
327 memcpy(gic_param, gic, sizeof(struct vpfe_ipipe_gic));
328
329 return 0;
330 }
331
ipipe_validate_wb_params(struct vpfe_ipipe_wb * wbal)332 static int ipipe_validate_wb_params(struct vpfe_ipipe_wb *wbal)
333 {
334 if (wbal->ofst_r > WB_OFFSET_MASK ||
335 wbal->ofst_gr > WB_OFFSET_MASK ||
336 wbal->ofst_gb > WB_OFFSET_MASK ||
337 wbal->ofst_b > WB_OFFSET_MASK ||
338 wbal->gain_r.integer > WB_GAIN_INT_MASK ||
339 wbal->gain_r.decimal > WB_GAIN_DECI_MASK ||
340 wbal->gain_gr.integer > WB_GAIN_INT_MASK ||
341 wbal->gain_gr.decimal > WB_GAIN_DECI_MASK ||
342 wbal->gain_gb.integer > WB_GAIN_INT_MASK ||
343 wbal->gain_gb.decimal > WB_GAIN_DECI_MASK ||
344 wbal->gain_b.integer > WB_GAIN_INT_MASK ||
345 wbal->gain_b.decimal > WB_GAIN_DECI_MASK)
346 return -EINVAL;
347
348 return 0;
349 }
350
ipipe_set_wb_params(struct vpfe_ipipe_device * ipipe,void * param)351 static int ipipe_set_wb_params(struct vpfe_ipipe_device *ipipe, void *param)
352 {
353 struct vpfe_ipipe_wb *wb_param = param;
354 struct vpfe_ipipe_wb *wbal = &ipipe->config.wbal;
355
356 if (!wb_param) {
357 const struct vpfe_ipipe_wb wb_defaults = {
358 .gain_r = {2, 0x0},
359 .gain_gr = {2, 0x0},
360 .gain_gb = {2, 0x0},
361 .gain_b = {2, 0x0}
362 };
363 memcpy(wbal, &wb_defaults, sizeof(struct vpfe_ipipe_wb));
364 goto success;
365 }
366
367 memcpy(wbal, wb_param, sizeof(struct vpfe_ipipe_wb));
368 if (ipipe_validate_wb_params(wbal) < 0)
369 return -EINVAL;
370
371 success:
372 ipipe_set_wb_regs(ipipe->base_addr, wbal);
373
374 return 0;
375 }
376
ipipe_get_wb_params(struct vpfe_ipipe_device * ipipe,void * param)377 static int ipipe_get_wb_params(struct vpfe_ipipe_device *ipipe, void *param)
378 {
379 struct vpfe_ipipe_wb *wb_param = param;
380 struct vpfe_ipipe_wb *wbal = &ipipe->config.wbal;
381
382 memcpy(wb_param, wbal, sizeof(struct vpfe_ipipe_wb));
383 return 0;
384 }
385
ipipe_validate_cfa_params(struct vpfe_ipipe_cfa * cfa)386 static int ipipe_validate_cfa_params(struct vpfe_ipipe_cfa *cfa)
387 {
388 if (cfa->hpf_thr_2dir > CFA_HPF_THR_2DIR_MASK ||
389 cfa->hpf_slp_2dir > CFA_HPF_SLOPE_2DIR_MASK ||
390 cfa->hp_mix_thr_2dir > CFA_HPF_MIX_THR_2DIR_MASK ||
391 cfa->hp_mix_slope_2dir > CFA_HPF_MIX_SLP_2DIR_MASK ||
392 cfa->dir_thr_2dir > CFA_DIR_THR_2DIR_MASK ||
393 cfa->dir_slope_2dir > CFA_DIR_SLP_2DIR_MASK ||
394 cfa->nd_wt_2dir > CFA_ND_WT_2DIR_MASK ||
395 cfa->hue_fract_daa > CFA_DAA_HUE_FRA_MASK ||
396 cfa->edge_thr_daa > CFA_DAA_EDG_THR_MASK ||
397 cfa->thr_min_daa > CFA_DAA_THR_MIN_MASK ||
398 cfa->thr_slope_daa > CFA_DAA_THR_SLP_MASK ||
399 cfa->slope_min_daa > CFA_DAA_SLP_MIN_MASK ||
400 cfa->slope_slope_daa > CFA_DAA_SLP_SLP_MASK ||
401 cfa->lp_wt_daa > CFA_DAA_LP_WT_MASK)
402 return -EINVAL;
403
404 return 0;
405 }
406
ipipe_set_cfa_params(struct vpfe_ipipe_device * ipipe,void * param)407 static int ipipe_set_cfa_params(struct vpfe_ipipe_device *ipipe, void *param)
408 {
409 struct vpfe_ipipe_cfa *cfa_param = param;
410 struct vpfe_ipipe_cfa *cfa = &ipipe->config.cfa;
411
412 if (!cfa_param) {
413 memset(cfa, 0, sizeof(struct vpfe_ipipe_cfa));
414 cfa->alg = VPFE_IPIPE_CFA_ALG_2DIRAC;
415 goto success;
416 }
417
418 memcpy(cfa, cfa_param, sizeof(struct vpfe_ipipe_cfa));
419 if (ipipe_validate_cfa_params(cfa) < 0)
420 return -EINVAL;
421
422 success:
423 ipipe_set_cfa_regs(ipipe->base_addr, cfa);
424
425 return 0;
426 }
427
ipipe_get_cfa_params(struct vpfe_ipipe_device * ipipe,void * param)428 static int ipipe_get_cfa_params(struct vpfe_ipipe_device *ipipe, void *param)
429 {
430 struct vpfe_ipipe_cfa *cfa_param = param;
431 struct vpfe_ipipe_cfa *cfa = &ipipe->config.cfa;
432
433 memcpy(cfa_param, cfa, sizeof(struct vpfe_ipipe_cfa));
434 return 0;
435 }
436
437 static int
ipipe_validate_rgb2rgb_params(struct vpfe_ipipe_rgb2rgb * rgb2rgb,unsigned int id)438 ipipe_validate_rgb2rgb_params(struct vpfe_ipipe_rgb2rgb *rgb2rgb,
439 unsigned int id)
440 {
441 u32 gain_int_upper = RGB2RGB_1_GAIN_INT_MASK;
442 u32 offset_upper = RGB2RGB_1_OFST_MASK;
443
444 if (id == IPIPE_RGB2RGB_2) {
445 offset_upper = RGB2RGB_2_OFST_MASK;
446 gain_int_upper = RGB2RGB_2_GAIN_INT_MASK;
447 }
448
449 if (rgb2rgb->coef_rr.decimal > RGB2RGB_GAIN_DECI_MASK ||
450 rgb2rgb->coef_rr.integer > gain_int_upper)
451 return -EINVAL;
452
453 if (rgb2rgb->coef_gr.decimal > RGB2RGB_GAIN_DECI_MASK ||
454 rgb2rgb->coef_gr.integer > gain_int_upper)
455 return -EINVAL;
456
457 if (rgb2rgb->coef_br.decimal > RGB2RGB_GAIN_DECI_MASK ||
458 rgb2rgb->coef_br.integer > gain_int_upper)
459 return -EINVAL;
460
461 if (rgb2rgb->coef_rg.decimal > RGB2RGB_GAIN_DECI_MASK ||
462 rgb2rgb->coef_rg.integer > gain_int_upper)
463 return -EINVAL;
464
465 if (rgb2rgb->coef_gg.decimal > RGB2RGB_GAIN_DECI_MASK ||
466 rgb2rgb->coef_gg.integer > gain_int_upper)
467 return -EINVAL;
468
469 if (rgb2rgb->coef_bg.decimal > RGB2RGB_GAIN_DECI_MASK ||
470 rgb2rgb->coef_bg.integer > gain_int_upper)
471 return -EINVAL;
472
473 if (rgb2rgb->coef_rb.decimal > RGB2RGB_GAIN_DECI_MASK ||
474 rgb2rgb->coef_rb.integer > gain_int_upper)
475 return -EINVAL;
476
477 if (rgb2rgb->coef_gb.decimal > RGB2RGB_GAIN_DECI_MASK ||
478 rgb2rgb->coef_gb.integer > gain_int_upper)
479 return -EINVAL;
480
481 if (rgb2rgb->coef_bb.decimal > RGB2RGB_GAIN_DECI_MASK ||
482 rgb2rgb->coef_bb.integer > gain_int_upper)
483 return -EINVAL;
484
485 if (rgb2rgb->out_ofst_r > offset_upper ||
486 rgb2rgb->out_ofst_g > offset_upper ||
487 rgb2rgb->out_ofst_b > offset_upper)
488 return -EINVAL;
489
490 return 0;
491 }
492
ipipe_set_rgb2rgb_params(struct vpfe_ipipe_device * ipipe,unsigned int id,void * param)493 static int ipipe_set_rgb2rgb_params(struct vpfe_ipipe_device *ipipe,
494 unsigned int id, void *param)
495 {
496 struct vpfe_ipipe_rgb2rgb *rgb2rgb = &ipipe->config.rgb2rgb1;
497 struct device *dev = ipipe->subdev.v4l2_dev->dev;
498 struct vpfe_ipipe_rgb2rgb *rgb2rgb_param;
499
500 rgb2rgb_param = param;
501
502 if (id == IPIPE_RGB2RGB_2)
503 rgb2rgb = &ipipe->config.rgb2rgb2;
504
505 if (!rgb2rgb_param) {
506 const struct vpfe_ipipe_rgb2rgb rgb2rgb_defaults = {
507 .coef_rr = {1, 0}, /* 256 */
508 .coef_gr = {0, 0},
509 .coef_br = {0, 0},
510 .coef_rg = {0, 0},
511 .coef_gg = {1, 0}, /* 256 */
512 .coef_bg = {0, 0},
513 .coef_rb = {0, 0},
514 .coef_gb = {0, 0},
515 .coef_bb = {1, 0}, /* 256 */
516 };
517 /* Copy defaults for rgb2rgb conversion */
518 memcpy(rgb2rgb, &rgb2rgb_defaults,
519 sizeof(struct vpfe_ipipe_rgb2rgb));
520 goto success;
521 }
522
523 memcpy(rgb2rgb, rgb2rgb_param, sizeof(struct vpfe_ipipe_rgb2rgb));
524 if (ipipe_validate_rgb2rgb_params(rgb2rgb, id) < 0) {
525 dev_err(dev, "Invalid rgb2rgb params\n");
526 return -EINVAL;
527 }
528
529 success:
530 ipipe_set_rgb2rgb_regs(ipipe->base_addr, id, rgb2rgb);
531
532 return 0;
533 }
534
535 static int
ipipe_set_rgb2rgb_1_params(struct vpfe_ipipe_device * ipipe,void * param)536 ipipe_set_rgb2rgb_1_params(struct vpfe_ipipe_device *ipipe, void *param)
537 {
538 return ipipe_set_rgb2rgb_params(ipipe, IPIPE_RGB2RGB_1, param);
539 }
540
541 static int
ipipe_set_rgb2rgb_2_params(struct vpfe_ipipe_device * ipipe,void * param)542 ipipe_set_rgb2rgb_2_params(struct vpfe_ipipe_device *ipipe, void *param)
543 {
544 return ipipe_set_rgb2rgb_params(ipipe, IPIPE_RGB2RGB_2, param);
545 }
546
ipipe_get_rgb2rgb_params(struct vpfe_ipipe_device * ipipe,unsigned int id,void * param)547 static int ipipe_get_rgb2rgb_params(struct vpfe_ipipe_device *ipipe,
548 unsigned int id, void *param)
549 {
550 struct vpfe_ipipe_rgb2rgb *rgb2rgb = &ipipe->config.rgb2rgb1;
551 struct vpfe_ipipe_rgb2rgb *rgb2rgb_param;
552
553 rgb2rgb_param = param;
554
555 if (id == IPIPE_RGB2RGB_2)
556 rgb2rgb = &ipipe->config.rgb2rgb2;
557
558 memcpy(rgb2rgb_param, rgb2rgb, sizeof(struct vpfe_ipipe_rgb2rgb));
559
560 return 0;
561 }
562
563 static int
ipipe_get_rgb2rgb_1_params(struct vpfe_ipipe_device * ipipe,void * param)564 ipipe_get_rgb2rgb_1_params(struct vpfe_ipipe_device *ipipe, void *param)
565 {
566 return ipipe_get_rgb2rgb_params(ipipe, IPIPE_RGB2RGB_1, param);
567 }
568
569 static int
ipipe_get_rgb2rgb_2_params(struct vpfe_ipipe_device * ipipe,void * param)570 ipipe_get_rgb2rgb_2_params(struct vpfe_ipipe_device *ipipe, void *param)
571 {
572 return ipipe_get_rgb2rgb_params(ipipe, IPIPE_RGB2RGB_2, param);
573 }
574
575 static int
ipipe_validate_gamma_entry(struct vpfe_ipipe_gamma_entry * table,int size)576 ipipe_validate_gamma_entry(struct vpfe_ipipe_gamma_entry *table, int size)
577 {
578 int i;
579
580 if (!table)
581 return -EINVAL;
582
583 for (i = 0; i < size; i++)
584 if (table[i].slope > GAMMA_MASK ||
585 table[i].offset > GAMMA_MASK)
586 return -EINVAL;
587
588 return 0;
589 }
590
591 static int
ipipe_validate_gamma_params(struct vpfe_ipipe_gamma * gamma,struct device * dev)592 ipipe_validate_gamma_params(struct vpfe_ipipe_gamma *gamma, struct device *dev)
593 {
594 int table_size;
595 int err;
596
597 if (gamma->bypass_r > 1 ||
598 gamma->bypass_b > 1 ||
599 gamma->bypass_g > 1)
600 return -EINVAL;
601
602 if (gamma->tbl_sel != VPFE_IPIPE_GAMMA_TBL_RAM)
603 return 0;
604
605 table_size = gamma->tbl_size;
606 if (!gamma->bypass_r) {
607 err = ipipe_validate_gamma_entry(gamma->table_r, table_size);
608 if (err) {
609 dev_err(dev, "GAMMA R - table entry invalid\n");
610 return err;
611 }
612 }
613
614 if (!gamma->bypass_b) {
615 err = ipipe_validate_gamma_entry(gamma->table_b, table_size);
616 if (err) {
617 dev_err(dev, "GAMMA B - table entry invalid\n");
618 return err;
619 }
620 }
621
622 if (!gamma->bypass_g) {
623 err = ipipe_validate_gamma_entry(gamma->table_g, table_size);
624 if (err) {
625 dev_err(dev, "GAMMA G - table entry invalid\n");
626 return err;
627 }
628 }
629
630 return 0;
631 }
632
633 static int
ipipe_set_gamma_params(struct vpfe_ipipe_device * ipipe,void * param)634 ipipe_set_gamma_params(struct vpfe_ipipe_device *ipipe, void *param)
635 {
636 struct vpfe_ipipe_gamma *gamma_param = param;
637 struct vpfe_ipipe_gamma *gamma = &ipipe->config.gamma;
638 struct device *dev = ipipe->subdev.v4l2_dev->dev;
639 int table_size;
640
641 if (!gamma_param) {
642 memset(gamma, 0, sizeof(struct vpfe_ipipe_gamma));
643 gamma->tbl_sel = VPFE_IPIPE_GAMMA_TBL_ROM;
644 goto success;
645 }
646
647 gamma->bypass_r = gamma_param->bypass_r;
648 gamma->bypass_b = gamma_param->bypass_b;
649 gamma->bypass_g = gamma_param->bypass_g;
650 gamma->tbl_sel = gamma_param->tbl_sel;
651 gamma->tbl_size = gamma_param->tbl_size;
652
653 if (ipipe_validate_gamma_params(gamma, dev) < 0)
654 return -EINVAL;
655
656 if (gamma_param->tbl_sel != VPFE_IPIPE_GAMMA_TBL_RAM)
657 goto success;
658
659 table_size = gamma->tbl_size;
660 if (!gamma_param->bypass_r)
661 memcpy(&gamma->table_r, &gamma_param->table_r,
662 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
663
664 if (!gamma_param->bypass_b)
665 memcpy(&gamma->table_b, &gamma_param->table_b,
666 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
667
668 if (!gamma_param->bypass_g)
669 memcpy(&gamma->table_g, &gamma_param->table_g,
670 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
671
672 success:
673 ipipe_set_gamma_regs(ipipe->base_addr, ipipe->isp5_base_addr, gamma);
674
675 return 0;
676 }
677
ipipe_get_gamma_params(struct vpfe_ipipe_device * ipipe,void * param)678 static int ipipe_get_gamma_params(struct vpfe_ipipe_device *ipipe, void *param)
679 {
680 struct vpfe_ipipe_gamma *gamma_param = param;
681 struct vpfe_ipipe_gamma *gamma = &ipipe->config.gamma;
682 struct device *dev = ipipe->subdev.v4l2_dev->dev;
683 int table_size;
684
685 gamma_param->bypass_r = gamma->bypass_r;
686 gamma_param->bypass_g = gamma->bypass_g;
687 gamma_param->bypass_b = gamma->bypass_b;
688 gamma_param->tbl_sel = gamma->tbl_sel;
689 gamma_param->tbl_size = gamma->tbl_size;
690
691 if (gamma->tbl_sel != VPFE_IPIPE_GAMMA_TBL_RAM)
692 return 0;
693
694 table_size = gamma->tbl_size;
695
696 if (!gamma->bypass_r) {
697 dev_err(dev,
698 "ipipe_get_gamma_params: table ptr empty for R\n");
699 return -EINVAL;
700 }
701 memcpy(gamma_param->table_r, gamma->table_r,
702 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
703
704 if (!gamma->bypass_g) {
705 dev_err(dev, "ipipe_get_gamma_params: table ptr empty for G\n");
706 return -EINVAL;
707 }
708 memcpy(gamma_param->table_g, gamma->table_g,
709 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
710
711 if (!gamma->bypass_b) {
712 dev_err(dev, "ipipe_get_gamma_params: table ptr empty for B\n");
713 return -EINVAL;
714 }
715 memcpy(gamma_param->table_b, gamma->table_b,
716 (table_size * sizeof(struct vpfe_ipipe_gamma_entry)));
717
718 return 0;
719 }
720
ipipe_validate_3d_lut_params(struct vpfe_ipipe_3d_lut * lut)721 static int ipipe_validate_3d_lut_params(struct vpfe_ipipe_3d_lut *lut)
722 {
723 int i;
724
725 if (!lut->en)
726 return 0;
727
728 for (i = 0; i < VPFE_IPIPE_MAX_SIZE_3D_LUT; i++)
729 if (lut->table[i].r > D3_LUT_ENTRY_MASK ||
730 lut->table[i].g > D3_LUT_ENTRY_MASK ||
731 lut->table[i].b > D3_LUT_ENTRY_MASK)
732 return -EINVAL;
733
734 return 0;
735 }
736
ipipe_get_3d_lut_params(struct vpfe_ipipe_device * ipipe,void * param)737 static int ipipe_get_3d_lut_params(struct vpfe_ipipe_device *ipipe, void *param)
738 {
739 struct vpfe_ipipe_3d_lut *lut_param = param;
740 struct vpfe_ipipe_3d_lut *lut = &ipipe->config.lut;
741
742 lut_param->en = lut->en;
743
744 memcpy(lut_param->table, &lut->table,
745 (VPFE_IPIPE_MAX_SIZE_3D_LUT *
746 sizeof(struct vpfe_ipipe_3d_lut_entry)));
747
748 return 0;
749 }
750
751 static int
ipipe_set_3d_lut_params(struct vpfe_ipipe_device * ipipe,void * param)752 ipipe_set_3d_lut_params(struct vpfe_ipipe_device *ipipe, void *param)
753 {
754 struct vpfe_ipipe_3d_lut *lut_param = param;
755 struct vpfe_ipipe_3d_lut *lut = &ipipe->config.lut;
756 struct device *dev = ipipe->subdev.v4l2_dev->dev;
757
758 if (!lut_param) {
759 memset(lut, 0, sizeof(struct vpfe_ipipe_3d_lut));
760 goto success;
761 }
762
763 memcpy(lut, lut_param, sizeof(struct vpfe_ipipe_3d_lut));
764 if (ipipe_validate_3d_lut_params(lut) < 0) {
765 dev_err(dev, "Invalid 3D-LUT Params\n");
766 return -EINVAL;
767 }
768
769 success:
770 ipipe_set_3d_lut_regs(ipipe->base_addr, ipipe->isp5_base_addr, lut);
771
772 return 0;
773 }
774
ipipe_validate_rgb2yuv_params(struct vpfe_ipipe_rgb2yuv * rgb2yuv)775 static int ipipe_validate_rgb2yuv_params(struct vpfe_ipipe_rgb2yuv *rgb2yuv)
776 {
777 if (rgb2yuv->coef_ry.decimal > RGB2YCBCR_COEF_DECI_MASK ||
778 rgb2yuv->coef_ry.integer > RGB2YCBCR_COEF_INT_MASK)
779 return -EINVAL;
780
781 if (rgb2yuv->coef_gy.decimal > RGB2YCBCR_COEF_DECI_MASK ||
782 rgb2yuv->coef_gy.integer > RGB2YCBCR_COEF_INT_MASK)
783 return -EINVAL;
784
785 if (rgb2yuv->coef_by.decimal > RGB2YCBCR_COEF_DECI_MASK ||
786 rgb2yuv->coef_by.integer > RGB2YCBCR_COEF_INT_MASK)
787 return -EINVAL;
788
789 if (rgb2yuv->coef_rcb.decimal > RGB2YCBCR_COEF_DECI_MASK ||
790 rgb2yuv->coef_rcb.integer > RGB2YCBCR_COEF_INT_MASK)
791 return -EINVAL;
792
793 if (rgb2yuv->coef_gcb.decimal > RGB2YCBCR_COEF_DECI_MASK ||
794 rgb2yuv->coef_gcb.integer > RGB2YCBCR_COEF_INT_MASK)
795 return -EINVAL;
796
797 if (rgb2yuv->coef_bcb.decimal > RGB2YCBCR_COEF_DECI_MASK ||
798 rgb2yuv->coef_bcb.integer > RGB2YCBCR_COEF_INT_MASK)
799 return -EINVAL;
800
801 if (rgb2yuv->coef_rcr.decimal > RGB2YCBCR_COEF_DECI_MASK ||
802 rgb2yuv->coef_rcr.integer > RGB2YCBCR_COEF_INT_MASK)
803 return -EINVAL;
804
805 if (rgb2yuv->coef_gcr.decimal > RGB2YCBCR_COEF_DECI_MASK ||
806 rgb2yuv->coef_gcr.integer > RGB2YCBCR_COEF_INT_MASK)
807 return -EINVAL;
808
809 if (rgb2yuv->coef_bcr.decimal > RGB2YCBCR_COEF_DECI_MASK ||
810 rgb2yuv->coef_bcr.integer > RGB2YCBCR_COEF_INT_MASK)
811 return -EINVAL;
812
813 if (rgb2yuv->out_ofst_y > RGB2YCBCR_OFST_MASK ||
814 rgb2yuv->out_ofst_cb > RGB2YCBCR_OFST_MASK ||
815 rgb2yuv->out_ofst_cr > RGB2YCBCR_OFST_MASK)
816 return -EINVAL;
817
818 return 0;
819 }
820
821 static int
ipipe_set_rgb2yuv_params(struct vpfe_ipipe_device * ipipe,void * param)822 ipipe_set_rgb2yuv_params(struct vpfe_ipipe_device *ipipe, void *param)
823 {
824 struct vpfe_ipipe_rgb2yuv *rgb2yuv = &ipipe->config.rgb2yuv;
825 struct device *dev = ipipe->subdev.v4l2_dev->dev;
826 struct vpfe_ipipe_rgb2yuv *rgb2yuv_param;
827
828 rgb2yuv_param = param;
829 if (!rgb2yuv_param) {
830 /* Defaults for rgb2yuv conversion */
831 const struct vpfe_ipipe_rgb2yuv rgb2yuv_defaults = {
832 .coef_ry = {0, 0x4d},
833 .coef_gy = {0, 0x96},
834 .coef_by = {0, 0x1d},
835 .coef_rcb = {0xf, 0xd5},
836 .coef_gcb = {0xf, 0xab},
837 .coef_bcb = {0, 0x80},
838 .coef_rcr = {0, 0x80},
839 .coef_gcr = {0xf, 0x95},
840 .coef_bcr = {0xf, 0xeb},
841 .out_ofst_cb = 0x80,
842 .out_ofst_cr = 0x80,
843 };
844 /* Copy defaults for rgb2yuv conversion */
845 memcpy(rgb2yuv, &rgb2yuv_defaults,
846 sizeof(struct vpfe_ipipe_rgb2yuv));
847 goto success;
848 }
849
850 memcpy(rgb2yuv, rgb2yuv_param, sizeof(struct vpfe_ipipe_rgb2yuv));
851 if (ipipe_validate_rgb2yuv_params(rgb2yuv) < 0) {
852 dev_err(dev, "Invalid rgb2yuv params\n");
853 return -EINVAL;
854 }
855
856 success:
857 ipipe_set_rgb2ycbcr_regs(ipipe->base_addr, rgb2yuv);
858
859 return 0;
860 }
861
862 static int
ipipe_get_rgb2yuv_params(struct vpfe_ipipe_device * ipipe,void * param)863 ipipe_get_rgb2yuv_params(struct vpfe_ipipe_device *ipipe, void *param)
864 {
865 struct vpfe_ipipe_rgb2yuv *rgb2yuv = &ipipe->config.rgb2yuv;
866 struct vpfe_ipipe_rgb2yuv *rgb2yuv_param;
867
868 rgb2yuv_param = param;
869 memcpy(rgb2yuv_param, rgb2yuv, sizeof(struct vpfe_ipipe_rgb2yuv));
870 return 0;
871 }
872
ipipe_validate_gbce_params(struct vpfe_ipipe_gbce * gbce)873 static int ipipe_validate_gbce_params(struct vpfe_ipipe_gbce *gbce)
874 {
875 u32 max = GBCE_Y_VAL_MASK;
876 int i;
877
878 if (!gbce->en)
879 return 0;
880
881 if (gbce->type == VPFE_IPIPE_GBCE_GAIN_TBL)
882 max = GBCE_GAIN_VAL_MASK;
883
884 for (i = 0; i < VPFE_IPIPE_MAX_SIZE_GBCE_LUT; i++)
885 if (gbce->table[i] > max)
886 return -EINVAL;
887
888 return 0;
889 }
890
ipipe_set_gbce_params(struct vpfe_ipipe_device * ipipe,void * param)891 static int ipipe_set_gbce_params(struct vpfe_ipipe_device *ipipe, void *param)
892 {
893 struct vpfe_ipipe_gbce *gbce_param = param;
894 struct vpfe_ipipe_gbce *gbce = &ipipe->config.gbce;
895 struct device *dev = ipipe->subdev.v4l2_dev->dev;
896
897 if (!gbce_param) {
898 memset(gbce, 0, sizeof(struct vpfe_ipipe_gbce));
899 } else {
900 memcpy(gbce, gbce_param, sizeof(struct vpfe_ipipe_gbce));
901 if (ipipe_validate_gbce_params(gbce) < 0) {
902 dev_err(dev, "Invalid gbce params\n");
903 return -EINVAL;
904 }
905 }
906
907 ipipe_set_gbce_regs(ipipe->base_addr, ipipe->isp5_base_addr, gbce);
908
909 return 0;
910 }
911
ipipe_get_gbce_params(struct vpfe_ipipe_device * ipipe,void * param)912 static int ipipe_get_gbce_params(struct vpfe_ipipe_device *ipipe, void *param)
913 {
914 struct vpfe_ipipe_gbce *gbce_param = param;
915 struct vpfe_ipipe_gbce *gbce = &ipipe->config.gbce;
916
917 gbce_param->en = gbce->en;
918 gbce_param->type = gbce->type;
919
920 memcpy(gbce_param->table, gbce->table,
921 (VPFE_IPIPE_MAX_SIZE_GBCE_LUT * sizeof(unsigned short)));
922
923 return 0;
924 }
925
926 static int
ipipe_validate_yuv422_conv_params(struct vpfe_ipipe_yuv422_conv * yuv422_conv)927 ipipe_validate_yuv422_conv_params(struct vpfe_ipipe_yuv422_conv *yuv422_conv)
928 {
929 if (yuv422_conv->en_chrom_lpf > 1)
930 return -EINVAL;
931
932 return 0;
933 }
934
935 static int
ipipe_set_yuv422_conv_params(struct vpfe_ipipe_device * ipipe,void * param)936 ipipe_set_yuv422_conv_params(struct vpfe_ipipe_device *ipipe, void *param)
937 {
938 struct vpfe_ipipe_yuv422_conv *yuv422_conv = &ipipe->config.yuv422_conv;
939 struct vpfe_ipipe_yuv422_conv *yuv422_conv_param;
940 struct device *dev = ipipe->subdev.v4l2_dev->dev;
941
942 yuv422_conv_param = param;
943 if (!yuv422_conv_param) {
944 memset(yuv422_conv, 0, sizeof(struct vpfe_ipipe_yuv422_conv));
945 yuv422_conv->chrom_pos = VPFE_IPIPE_YUV422_CHR_POS_COSITE;
946 } else {
947 memcpy(yuv422_conv, yuv422_conv_param,
948 sizeof(struct vpfe_ipipe_yuv422_conv));
949 if (ipipe_validate_yuv422_conv_params(yuv422_conv) < 0) {
950 dev_err(dev, "Invalid yuv422 params\n");
951 return -EINVAL;
952 }
953 }
954
955 ipipe_set_yuv422_conv_regs(ipipe->base_addr, yuv422_conv);
956
957 return 0;
958 }
959
960 static int
ipipe_get_yuv422_conv_params(struct vpfe_ipipe_device * ipipe,void * param)961 ipipe_get_yuv422_conv_params(struct vpfe_ipipe_device *ipipe, void *param)
962 {
963 struct vpfe_ipipe_yuv422_conv *yuv422_conv = &ipipe->config.yuv422_conv;
964 struct vpfe_ipipe_yuv422_conv *yuv422_conv_param;
965
966 yuv422_conv_param = param;
967 memcpy(yuv422_conv_param, yuv422_conv,
968 sizeof(struct vpfe_ipipe_yuv422_conv));
969
970 return 0;
971 }
972
ipipe_validate_yee_params(struct vpfe_ipipe_yee * yee)973 static int ipipe_validate_yee_params(struct vpfe_ipipe_yee *yee)
974 {
975 int i;
976
977 if (yee->en > 1 ||
978 yee->en_halo_red > 1 ||
979 yee->hpf_shft > YEE_HPF_SHIFT_MASK)
980 return -EINVAL;
981
982 if (yee->hpf_coef_00 > YEE_COEF_MASK ||
983 yee->hpf_coef_01 > YEE_COEF_MASK ||
984 yee->hpf_coef_02 > YEE_COEF_MASK ||
985 yee->hpf_coef_10 > YEE_COEF_MASK ||
986 yee->hpf_coef_11 > YEE_COEF_MASK ||
987 yee->hpf_coef_12 > YEE_COEF_MASK ||
988 yee->hpf_coef_20 > YEE_COEF_MASK ||
989 yee->hpf_coef_21 > YEE_COEF_MASK ||
990 yee->hpf_coef_22 > YEE_COEF_MASK)
991 return -EINVAL;
992
993 if (yee->yee_thr > YEE_THR_MASK ||
994 yee->es_gain > YEE_ES_GAIN_MASK ||
995 yee->es_thr1 > YEE_ES_THR1_MASK ||
996 yee->es_thr2 > YEE_THR_MASK ||
997 yee->es_gain_grad > YEE_THR_MASK ||
998 yee->es_ofst_grad > YEE_THR_MASK)
999 return -EINVAL;
1000
1001 for (i = 0; i < VPFE_IPIPE_MAX_SIZE_YEE_LUT; i++)
1002 if (yee->table[i] > YEE_ENTRY_MASK)
1003 return -EINVAL;
1004
1005 return 0;
1006 }
1007
ipipe_set_yee_params(struct vpfe_ipipe_device * ipipe,void * param)1008 static int ipipe_set_yee_params(struct vpfe_ipipe_device *ipipe, void *param)
1009 {
1010 struct vpfe_ipipe_yee *yee_param = param;
1011 struct device *dev = ipipe->subdev.v4l2_dev->dev;
1012 struct vpfe_ipipe_yee *yee = &ipipe->config.yee;
1013
1014 if (!yee_param) {
1015 memset(yee, 0, sizeof(struct vpfe_ipipe_yee));
1016 } else {
1017 memcpy(yee, yee_param, sizeof(struct vpfe_ipipe_yee));
1018 if (ipipe_validate_yee_params(yee) < 0) {
1019 dev_err(dev, "Invalid yee params\n");
1020 return -EINVAL;
1021 }
1022 }
1023
1024 ipipe_set_ee_regs(ipipe->base_addr, ipipe->isp5_base_addr, yee);
1025
1026 return 0;
1027 }
1028
ipipe_get_yee_params(struct vpfe_ipipe_device * ipipe,void * param)1029 static int ipipe_get_yee_params(struct vpfe_ipipe_device *ipipe, void *param)
1030 {
1031 struct vpfe_ipipe_yee *yee_param = param;
1032 struct vpfe_ipipe_yee *yee = &ipipe->config.yee;
1033
1034 yee_param->en = yee->en;
1035 yee_param->en_halo_red = yee->en_halo_red;
1036 yee_param->merge_meth = yee->merge_meth;
1037 yee_param->hpf_shft = yee->hpf_shft;
1038 yee_param->hpf_coef_00 = yee->hpf_coef_00;
1039 yee_param->hpf_coef_01 = yee->hpf_coef_01;
1040 yee_param->hpf_coef_02 = yee->hpf_coef_02;
1041 yee_param->hpf_coef_10 = yee->hpf_coef_10;
1042 yee_param->hpf_coef_11 = yee->hpf_coef_11;
1043 yee_param->hpf_coef_12 = yee->hpf_coef_12;
1044 yee_param->hpf_coef_20 = yee->hpf_coef_20;
1045 yee_param->hpf_coef_21 = yee->hpf_coef_21;
1046 yee_param->hpf_coef_22 = yee->hpf_coef_22;
1047 yee_param->yee_thr = yee->yee_thr;
1048 yee_param->es_gain = yee->es_gain;
1049 yee_param->es_thr1 = yee->es_thr1;
1050 yee_param->es_thr2 = yee->es_thr2;
1051 yee_param->es_gain_grad = yee->es_gain_grad;
1052 yee_param->es_ofst_grad = yee->es_ofst_grad;
1053 memcpy(yee_param->table, &yee->table,
1054 (VPFE_IPIPE_MAX_SIZE_YEE_LUT * sizeof(short)));
1055
1056 return 0;
1057 }
1058
ipipe_validate_car_params(struct vpfe_ipipe_car * car)1059 static int ipipe_validate_car_params(struct vpfe_ipipe_car *car)
1060 {
1061 if (car->en > 1 || car->hpf_shft > CAR_HPF_SHIFT_MASK ||
1062 car->gain1.shft > CAR_GAIN1_SHFT_MASK ||
1063 car->gain1.gain_min > CAR_GAIN_MIN_MASK ||
1064 car->gain2.shft > CAR_GAIN2_SHFT_MASK ||
1065 car->gain2.gain_min > CAR_GAIN_MIN_MASK)
1066 return -EINVAL;
1067
1068 return 0;
1069 }
1070
ipipe_set_car_params(struct vpfe_ipipe_device * ipipe,void * param)1071 static int ipipe_set_car_params(struct vpfe_ipipe_device *ipipe, void *param)
1072 {
1073 struct vpfe_ipipe_car *car_param = param;
1074 struct device *dev = ipipe->subdev.v4l2_dev->dev;
1075 struct vpfe_ipipe_car *car = &ipipe->config.car;
1076
1077 if (!car_param) {
1078 memset(car, 0, sizeof(struct vpfe_ipipe_car));
1079 } else {
1080 memcpy(car, car_param, sizeof(struct vpfe_ipipe_car));
1081 if (ipipe_validate_car_params(car) < 0) {
1082 dev_err(dev, "Invalid car params\n");
1083 return -EINVAL;
1084 }
1085 }
1086
1087 ipipe_set_car_regs(ipipe->base_addr, car);
1088
1089 return 0;
1090 }
1091
ipipe_get_car_params(struct vpfe_ipipe_device * ipipe,void * param)1092 static int ipipe_get_car_params(struct vpfe_ipipe_device *ipipe, void *param)
1093 {
1094 struct vpfe_ipipe_car *car_param = param;
1095 struct vpfe_ipipe_car *car = &ipipe->config.car;
1096
1097 memcpy(car_param, car, sizeof(struct vpfe_ipipe_car));
1098 return 0;
1099 }
1100
ipipe_validate_cgs_params(struct vpfe_ipipe_cgs * cgs)1101 static int ipipe_validate_cgs_params(struct vpfe_ipipe_cgs *cgs)
1102 {
1103 if (cgs->en > 1 || cgs->h_shft > CAR_SHIFT_MASK)
1104 return -EINVAL;
1105
1106 return 0;
1107 }
1108
ipipe_set_cgs_params(struct vpfe_ipipe_device * ipipe,void * param)1109 static int ipipe_set_cgs_params(struct vpfe_ipipe_device *ipipe, void *param)
1110 {
1111 struct vpfe_ipipe_cgs *cgs_param = param;
1112 struct device *dev = ipipe->subdev.v4l2_dev->dev;
1113 struct vpfe_ipipe_cgs *cgs = &ipipe->config.cgs;
1114
1115 if (!cgs_param) {
1116 memset(cgs, 0, sizeof(struct vpfe_ipipe_cgs));
1117 } else {
1118 memcpy(cgs, cgs_param, sizeof(struct vpfe_ipipe_cgs));
1119 if (ipipe_validate_cgs_params(cgs) < 0) {
1120 dev_err(dev, "Invalid cgs params\n");
1121 return -EINVAL;
1122 }
1123 }
1124
1125 ipipe_set_cgs_regs(ipipe->base_addr, cgs);
1126
1127 return 0;
1128 }
1129
ipipe_get_cgs_params(struct vpfe_ipipe_device * ipipe,void * param)1130 static int ipipe_get_cgs_params(struct vpfe_ipipe_device *ipipe, void *param)
1131 {
1132 struct vpfe_ipipe_cgs *cgs_param = param;
1133 struct vpfe_ipipe_cgs *cgs = &ipipe->config.cgs;
1134
1135 memcpy(cgs_param, cgs, sizeof(struct vpfe_ipipe_cgs));
1136
1137 return 0;
1138 }
1139
1140 static const struct ipipe_module_if ipipe_modules[VPFE_IPIPE_MAX_MODULES] = {
1141 /* VPFE_IPIPE_INPUT_CONFIG */ {
1142 offsetof(struct ipipe_module_params, input_config),
1143 FIELD_SIZEOF(struct ipipe_module_params, input_config),
1144 offsetof(struct vpfe_ipipe_config, input_config),
1145 ipipe_set_input_config,
1146 ipipe_get_input_config,
1147 }, /* VPFE_IPIPE_LUTDPC */ {
1148 offsetof(struct ipipe_module_params, lutdpc),
1149 FIELD_SIZEOF(struct ipipe_module_params, lutdpc),
1150 offsetof(struct vpfe_ipipe_config, lutdpc),
1151 ipipe_set_lutdpc_params,
1152 ipipe_get_lutdpc_params,
1153 }, /* VPFE_IPIPE_OTFDPC */ {
1154 offsetof(struct ipipe_module_params, otfdpc),
1155 FIELD_SIZEOF(struct ipipe_module_params, otfdpc),
1156 offsetof(struct vpfe_ipipe_config, otfdpc),
1157 ipipe_set_otfdpc_params,
1158 ipipe_get_otfdpc_params,
1159 }, /* VPFE_IPIPE_NF1 */ {
1160 offsetof(struct ipipe_module_params, nf1),
1161 FIELD_SIZEOF(struct ipipe_module_params, nf1),
1162 offsetof(struct vpfe_ipipe_config, nf1),
1163 ipipe_set_nf1_params,
1164 ipipe_get_nf1_params,
1165 }, /* VPFE_IPIPE_NF2 */ {
1166 offsetof(struct ipipe_module_params, nf2),
1167 FIELD_SIZEOF(struct ipipe_module_params, nf2),
1168 offsetof(struct vpfe_ipipe_config, nf2),
1169 ipipe_set_nf2_params,
1170 ipipe_get_nf2_params,
1171 }, /* VPFE_IPIPE_WB */ {
1172 offsetof(struct ipipe_module_params, wbal),
1173 FIELD_SIZEOF(struct ipipe_module_params, wbal),
1174 offsetof(struct vpfe_ipipe_config, wbal),
1175 ipipe_set_wb_params,
1176 ipipe_get_wb_params,
1177 }, /* VPFE_IPIPE_RGB2RGB_1 */ {
1178 offsetof(struct ipipe_module_params, rgb2rgb1),
1179 FIELD_SIZEOF(struct ipipe_module_params, rgb2rgb1),
1180 offsetof(struct vpfe_ipipe_config, rgb2rgb1),
1181 ipipe_set_rgb2rgb_1_params,
1182 ipipe_get_rgb2rgb_1_params,
1183 }, /* VPFE_IPIPE_RGB2RGB_2 */ {
1184 offsetof(struct ipipe_module_params, rgb2rgb2),
1185 FIELD_SIZEOF(struct ipipe_module_params, rgb2rgb2),
1186 offsetof(struct vpfe_ipipe_config, rgb2rgb2),
1187 ipipe_set_rgb2rgb_2_params,
1188 ipipe_get_rgb2rgb_2_params,
1189 }, /* VPFE_IPIPE_GAMMA */ {
1190 offsetof(struct ipipe_module_params, gamma),
1191 FIELD_SIZEOF(struct ipipe_module_params, gamma),
1192 offsetof(struct vpfe_ipipe_config, gamma),
1193 ipipe_set_gamma_params,
1194 ipipe_get_gamma_params,
1195 }, /* VPFE_IPIPE_3D_LUT */ {
1196 offsetof(struct ipipe_module_params, lut),
1197 FIELD_SIZEOF(struct ipipe_module_params, lut),
1198 offsetof(struct vpfe_ipipe_config, lut),
1199 ipipe_set_3d_lut_params,
1200 ipipe_get_3d_lut_params,
1201 }, /* VPFE_IPIPE_RGB2YUV */ {
1202 offsetof(struct ipipe_module_params, rgb2yuv),
1203 FIELD_SIZEOF(struct ipipe_module_params, rgb2yuv),
1204 offsetof(struct vpfe_ipipe_config, rgb2yuv),
1205 ipipe_set_rgb2yuv_params,
1206 ipipe_get_rgb2yuv_params,
1207 }, /* VPFE_IPIPE_YUV422_CONV */ {
1208 offsetof(struct ipipe_module_params, yuv422_conv),
1209 FIELD_SIZEOF(struct ipipe_module_params, yuv422_conv),
1210 offsetof(struct vpfe_ipipe_config, yuv422_conv),
1211 ipipe_set_yuv422_conv_params,
1212 ipipe_get_yuv422_conv_params,
1213 }, /* VPFE_IPIPE_YEE */ {
1214 offsetof(struct ipipe_module_params, yee),
1215 FIELD_SIZEOF(struct ipipe_module_params, yee),
1216 offsetof(struct vpfe_ipipe_config, yee),
1217 ipipe_set_yee_params,
1218 ipipe_get_yee_params,
1219 }, /* VPFE_IPIPE_GIC */ {
1220 offsetof(struct ipipe_module_params, gic),
1221 FIELD_SIZEOF(struct ipipe_module_params, gic),
1222 offsetof(struct vpfe_ipipe_config, gic),
1223 ipipe_set_gic_params,
1224 ipipe_get_gic_params,
1225 }, /* VPFE_IPIPE_CFA */ {
1226 offsetof(struct ipipe_module_params, cfa),
1227 FIELD_SIZEOF(struct ipipe_module_params, cfa),
1228 offsetof(struct vpfe_ipipe_config, cfa),
1229 ipipe_set_cfa_params,
1230 ipipe_get_cfa_params,
1231 }, /* VPFE_IPIPE_CAR */ {
1232 offsetof(struct ipipe_module_params, car),
1233 FIELD_SIZEOF(struct ipipe_module_params, car),
1234 offsetof(struct vpfe_ipipe_config, car),
1235 ipipe_set_car_params,
1236 ipipe_get_car_params,
1237 }, /* VPFE_IPIPE_CGS */ {
1238 offsetof(struct ipipe_module_params, cgs),
1239 FIELD_SIZEOF(struct ipipe_module_params, cgs),
1240 offsetof(struct vpfe_ipipe_config, cgs),
1241 ipipe_set_cgs_params,
1242 ipipe_get_cgs_params,
1243 }, /* VPFE_IPIPE_GBCE */ {
1244 offsetof(struct ipipe_module_params, gbce),
1245 FIELD_SIZEOF(struct ipipe_module_params, gbce),
1246 offsetof(struct vpfe_ipipe_config, gbce),
1247 ipipe_set_gbce_params,
1248 ipipe_get_gbce_params,
1249 },
1250 };
1251
ipipe_s_config(struct v4l2_subdev * sd,struct vpfe_ipipe_config * cfg)1252 static int ipipe_s_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
1253 {
1254 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1255 unsigned int i;
1256 int rval = 0;
1257
1258 for (i = 0; i < ARRAY_SIZE(ipipe_modules); i++) {
1259 const struct ipipe_module_if *module_if;
1260 struct ipipe_module_params *params;
1261 void *from, *to;
1262 size_t size;
1263
1264 if (!(cfg->flag & BIT(i)))
1265 continue;
1266
1267 module_if = &ipipe_modules[i];
1268 from = *(void **)((void *)cfg + module_if->config_offset);
1269
1270 params = kmalloc(sizeof(struct ipipe_module_params),
1271 GFP_KERNEL);
1272 to = (void *)params + module_if->param_offset;
1273 size = module_if->param_size;
1274
1275 if (to && from && size) {
1276 if (copy_from_user(to, (void __user *)from, size)) {
1277 rval = -EFAULT;
1278 break;
1279 }
1280 rval = module_if->set(ipipe, to);
1281 if (rval)
1282 goto error;
1283 } else if (to && !from && size) {
1284 rval = module_if->set(ipipe, NULL);
1285 if (rval)
1286 goto error;
1287 }
1288 kfree(params);
1289 }
1290 error:
1291 return rval;
1292 }
1293
ipipe_g_config(struct v4l2_subdev * sd,struct vpfe_ipipe_config * cfg)1294 static int ipipe_g_config(struct v4l2_subdev *sd, struct vpfe_ipipe_config *cfg)
1295 {
1296 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1297 unsigned int i;
1298 int rval = 0;
1299
1300 for (i = 1; i < ARRAY_SIZE(ipipe_modules); i++) {
1301 const struct ipipe_module_if *module_if;
1302 struct ipipe_module_params *params;
1303 void *from, *to;
1304 size_t size;
1305
1306 if (!(cfg->flag & BIT(i)))
1307 continue;
1308
1309 module_if = &ipipe_modules[i];
1310 to = *(void **)((void *)cfg + module_if->config_offset);
1311
1312 params = kmalloc(sizeof(struct ipipe_module_params),
1313 GFP_KERNEL);
1314 from = (void *)params + module_if->param_offset;
1315 size = module_if->param_size;
1316
1317 if (to && from && size) {
1318 rval = module_if->get(ipipe, from);
1319 if (rval)
1320 goto error;
1321 if (copy_to_user((void __user *)to, from, size)) {
1322 rval = -EFAULT;
1323 break;
1324 }
1325 }
1326 kfree(params);
1327 }
1328 error:
1329 return rval;
1330 }
1331
1332 /*
1333 * ipipe_ioctl() - Handle ipipe module private ioctl's
1334 * @sd: pointer to v4l2 subdev structure
1335 * @cmd: configuration command
1336 * @arg: configuration argument
1337 */
ipipe_ioctl(struct v4l2_subdev * sd,unsigned int cmd,void * arg)1338 static long ipipe_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
1339 {
1340 switch (cmd) {
1341 case VIDIOC_VPFE_IPIPE_S_CONFIG:
1342 return ipipe_s_config(sd, arg);
1343
1344 case VIDIOC_VPFE_IPIPE_G_CONFIG:
1345 return ipipe_g_config(sd, arg);
1346
1347 default:
1348 return -ENOIOCTLCMD;
1349 }
1350 }
1351
vpfe_ipipe_enable(struct vpfe_device * vpfe_dev,int en)1352 void vpfe_ipipe_enable(struct vpfe_device *vpfe_dev, int en)
1353 {
1354 struct vpfe_ipipeif_device *ipipeif = &vpfe_dev->vpfe_ipipeif;
1355 struct vpfe_ipipe_device *ipipe = &vpfe_dev->vpfe_ipipe;
1356 unsigned char val;
1357
1358 if (ipipe->input == IPIPE_INPUT_NONE)
1359 return;
1360
1361 /* ipipe is set to single shot */
1362 if (ipipeif->input == IPIPEIF_INPUT_MEMORY && en) {
1363 /* for single-shot mode, need to wait for h/w to
1364 * reset many register bits
1365 */
1366 do {
1367 val = regr_ip(vpfe_dev->vpfe_ipipe.base_addr,
1368 IPIPE_SRC_EN);
1369 } while (val);
1370 }
1371 regw_ip(vpfe_dev->vpfe_ipipe.base_addr, en, IPIPE_SRC_EN);
1372 }
1373
1374 /*
1375 * ipipe_set_stream() - Enable/Disable streaming on the ipipe subdevice
1376 * @sd: pointer to v4l2 subdev structure
1377 * @enable: 1 == Enable, 0 == Disable
1378 */
ipipe_set_stream(struct v4l2_subdev * sd,int enable)1379 static int ipipe_set_stream(struct v4l2_subdev *sd, int enable)
1380 {
1381 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1382 struct vpfe_device *vpfe_dev = to_vpfe_device(ipipe);
1383
1384 if (enable && ipipe->input != IPIPE_INPUT_NONE &&
1385 ipipe->output != IPIPE_OUTPUT_NONE) {
1386 if (config_ipipe_hw(ipipe) < 0)
1387 return -EINVAL;
1388 }
1389
1390 vpfe_ipipe_enable(vpfe_dev, enable);
1391
1392 return 0;
1393 }
1394
1395 /*
1396 * __ipipe_get_format() - helper function for getting ipipe format
1397 * @ipipe: pointer to ipipe private structure.
1398 * @pad: pad number.
1399 * @cfg: V4L2 subdev pad config
1400 * @which: wanted subdev format.
1401 *
1402 */
1403 static struct v4l2_mbus_framefmt *
__ipipe_get_format(struct vpfe_ipipe_device * ipipe,struct v4l2_subdev_pad_config * cfg,unsigned int pad,enum v4l2_subdev_format_whence which)1404 __ipipe_get_format(struct vpfe_ipipe_device *ipipe,
1405 struct v4l2_subdev_pad_config *cfg, unsigned int pad,
1406 enum v4l2_subdev_format_whence which)
1407 {
1408 if (which == V4L2_SUBDEV_FORMAT_TRY)
1409 return v4l2_subdev_get_try_format(&ipipe->subdev, cfg, pad);
1410
1411 return &ipipe->formats[pad];
1412 }
1413
1414 /*
1415 * ipipe_try_format() - Handle try format by pad subdev method
1416 * @ipipe: VPFE ipipe device.
1417 * @cfg: V4L2 subdev pad config
1418 * @pad: pad num.
1419 * @fmt: pointer to v4l2 format structure.
1420 * @which : wanted subdev format
1421 */
1422 static void
ipipe_try_format(struct vpfe_ipipe_device * ipipe,struct v4l2_subdev_pad_config * cfg,unsigned int pad,struct v4l2_mbus_framefmt * fmt,enum v4l2_subdev_format_whence which)1423 ipipe_try_format(struct vpfe_ipipe_device *ipipe,
1424 struct v4l2_subdev_pad_config *cfg, unsigned int pad,
1425 struct v4l2_mbus_framefmt *fmt,
1426 enum v4l2_subdev_format_whence which)
1427 {
1428 unsigned int max_out_height;
1429 unsigned int max_out_width;
1430 unsigned int i;
1431
1432 max_out_width = IPIPE_MAX_OUTPUT_WIDTH_A;
1433 max_out_height = IPIPE_MAX_OUTPUT_HEIGHT_A;
1434
1435 if (pad == IPIPE_PAD_SINK) {
1436 for (i = 0; i < ARRAY_SIZE(ipipe_input_fmts); i++)
1437 if (fmt->code == ipipe_input_fmts[i])
1438 break;
1439
1440 /* If not found, use SBGGR10 as default */
1441 if (i >= ARRAY_SIZE(ipipe_input_fmts))
1442 fmt->code = MEDIA_BUS_FMT_SGRBG12_1X12;
1443 } else if (pad == IPIPE_PAD_SOURCE) {
1444 for (i = 0; i < ARRAY_SIZE(ipipe_output_fmts); i++)
1445 if (fmt->code == ipipe_output_fmts[i])
1446 break;
1447
1448 /* If not found, use UYVY as default */
1449 if (i >= ARRAY_SIZE(ipipe_output_fmts))
1450 fmt->code = MEDIA_BUS_FMT_UYVY8_2X8;
1451 }
1452
1453 fmt->width = clamp_t(u32, fmt->width, MIN_OUT_HEIGHT, max_out_width);
1454 fmt->height = clamp_t(u32, fmt->height, MIN_OUT_WIDTH, max_out_height);
1455 }
1456
1457 /*
1458 * ipipe_set_format() - Handle set format by pads subdev method
1459 * @sd: pointer to v4l2 subdev structure
1460 * @cfg: V4L2 subdev pad config
1461 * @fmt: pointer to v4l2 subdev format structure
1462 * return -EINVAL or zero on success
1463 */
1464 static int
ipipe_set_format(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_format * fmt)1465 ipipe_set_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
1466 struct v4l2_subdev_format *fmt)
1467 {
1468 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1469 struct v4l2_mbus_framefmt *format;
1470
1471 format = __ipipe_get_format(ipipe, cfg, fmt->pad, fmt->which);
1472 if (format == NULL)
1473 return -EINVAL;
1474
1475 ipipe_try_format(ipipe, cfg, fmt->pad, &fmt->format, fmt->which);
1476 *format = fmt->format;
1477
1478 if (fmt->which == V4L2_SUBDEV_FORMAT_TRY)
1479 return 0;
1480
1481 if (fmt->pad == IPIPE_PAD_SINK &&
1482 (ipipe->input == IPIPE_INPUT_CCDC ||
1483 ipipe->input == IPIPE_INPUT_MEMORY))
1484 ipipe->formats[fmt->pad] = fmt->format;
1485 else if (fmt->pad == IPIPE_PAD_SOURCE &&
1486 ipipe->output == IPIPE_OUTPUT_RESIZER)
1487 ipipe->formats[fmt->pad] = fmt->format;
1488 else
1489 return -EINVAL;
1490
1491 return 0;
1492 }
1493
1494 /*
1495 * ipipe_get_format() - Handle get format by pads subdev method.
1496 * @sd: pointer to v4l2 subdev structure.
1497 * @cfg: V4L2 subdev pad config
1498 * @fmt: pointer to v4l2 subdev format structure.
1499 */
1500 static int
ipipe_get_format(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_format * fmt)1501 ipipe_get_format(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
1502 struct v4l2_subdev_format *fmt)
1503 {
1504 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1505
1506 if (fmt->which == V4L2_SUBDEV_FORMAT_ACTIVE)
1507 fmt->format = ipipe->formats[fmt->pad];
1508 else
1509 fmt->format = *(v4l2_subdev_get_try_format(sd, cfg, fmt->pad));
1510
1511 return 0;
1512 }
1513
1514 /*
1515 * ipipe_enum_frame_size() - enum frame sizes on pads
1516 * @sd: pointer to v4l2 subdev structure.
1517 * @cfg: V4L2 subdev pad config
1518 * @fse: pointer to v4l2_subdev_frame_size_enum structure.
1519 */
1520 static int
ipipe_enum_frame_size(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_frame_size_enum * fse)1521 ipipe_enum_frame_size(struct v4l2_subdev *sd,
1522 struct v4l2_subdev_pad_config *cfg,
1523 struct v4l2_subdev_frame_size_enum *fse)
1524 {
1525 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1526 struct v4l2_mbus_framefmt format;
1527
1528 if (fse->index != 0)
1529 return -EINVAL;
1530
1531 format.code = fse->code;
1532 format.width = 1;
1533 format.height = 1;
1534 ipipe_try_format(ipipe, cfg, fse->pad, &format, fse->which);
1535 fse->min_width = format.width;
1536 fse->min_height = format.height;
1537
1538 if (format.code != fse->code)
1539 return -EINVAL;
1540
1541 format.code = fse->code;
1542 format.width = -1;
1543 format.height = -1;
1544 ipipe_try_format(ipipe, cfg, fse->pad, &format, fse->which);
1545 fse->max_width = format.width;
1546 fse->max_height = format.height;
1547
1548 return 0;
1549 }
1550
1551 /*
1552 * ipipe_enum_mbus_code() - enum mbus codes for pads
1553 * @sd: pointer to v4l2 subdev structure.
1554 * @cfg: V4L2 subdev pad config
1555 * @code: pointer to v4l2_subdev_mbus_code_enum structure
1556 */
1557 static int
ipipe_enum_mbus_code(struct v4l2_subdev * sd,struct v4l2_subdev_pad_config * cfg,struct v4l2_subdev_mbus_code_enum * code)1558 ipipe_enum_mbus_code(struct v4l2_subdev *sd, struct v4l2_subdev_pad_config *cfg,
1559 struct v4l2_subdev_mbus_code_enum *code)
1560 {
1561 switch (code->pad) {
1562 case IPIPE_PAD_SINK:
1563 if (code->index >= ARRAY_SIZE(ipipe_input_fmts))
1564 return -EINVAL;
1565 code->code = ipipe_input_fmts[code->index];
1566 break;
1567
1568 case IPIPE_PAD_SOURCE:
1569 if (code->index >= ARRAY_SIZE(ipipe_output_fmts))
1570 return -EINVAL;
1571 code->code = ipipe_output_fmts[code->index];
1572 break;
1573
1574 default:
1575 return -EINVAL;
1576 }
1577
1578 return 0;
1579 }
1580
1581 /*
1582 * ipipe_s_ctrl() - Handle set control subdev method
1583 * @ctrl: pointer to v4l2 control structure
1584 */
ipipe_s_ctrl(struct v4l2_ctrl * ctrl)1585 static int ipipe_s_ctrl(struct v4l2_ctrl *ctrl)
1586 {
1587 struct vpfe_ipipe_device *ipipe =
1588 container_of(ctrl->handler, struct vpfe_ipipe_device, ctrls);
1589 struct ipipe_lum_adj *lum_adj = &ipipe->config.lum_adj;
1590
1591 switch (ctrl->id) {
1592 case V4L2_CID_BRIGHTNESS:
1593 lum_adj->brightness = ctrl->val;
1594 ipipe_set_lum_adj_regs(ipipe->base_addr, lum_adj);
1595 break;
1596
1597 case V4L2_CID_CONTRAST:
1598 lum_adj->contrast = ctrl->val;
1599 ipipe_set_lum_adj_regs(ipipe->base_addr, lum_adj);
1600 break;
1601
1602 default:
1603 return -EINVAL;
1604 }
1605
1606 return 0;
1607 }
1608
1609 /*
1610 * ipipe_init_formats() - Initialize formats on all pads
1611 * @sd: pointer to v4l2 subdev structure.
1612 * @fh: V4L2 subdev file handle
1613 *
1614 * Initialize all pad formats with default values. Try formats are initialized
1615 * on the file handle.
1616 */
1617 static int
ipipe_init_formats(struct v4l2_subdev * sd,struct v4l2_subdev_fh * fh)1618 ipipe_init_formats(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh)
1619 {
1620 struct v4l2_subdev_format format;
1621
1622 memset(&format, 0, sizeof(format));
1623 format.pad = IPIPE_PAD_SINK;
1624 format.which = V4L2_SUBDEV_FORMAT_TRY;
1625 format.format.code = MEDIA_BUS_FMT_SGRBG12_1X12;
1626 format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A;
1627 format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A;
1628 ipipe_set_format(sd, fh->pad, &format);
1629
1630 memset(&format, 0, sizeof(format));
1631 format.pad = IPIPE_PAD_SOURCE;
1632 format.which = V4L2_SUBDEV_FORMAT_TRY;
1633 format.format.code = MEDIA_BUS_FMT_UYVY8_2X8;
1634 format.format.width = IPIPE_MAX_OUTPUT_WIDTH_A;
1635 format.format.height = IPIPE_MAX_OUTPUT_HEIGHT_A;
1636 ipipe_set_format(sd, fh->pad, &format);
1637
1638 return 0;
1639 }
1640
1641 /* subdev core operations */
1642 static const struct v4l2_subdev_core_ops ipipe_v4l2_core_ops = {
1643 .ioctl = ipipe_ioctl,
1644 };
1645
1646 static const struct v4l2_ctrl_ops ipipe_ctrl_ops = {
1647 .s_ctrl = ipipe_s_ctrl,
1648 };
1649
1650 /* subdev file operations */
1651 static const struct v4l2_subdev_internal_ops ipipe_v4l2_internal_ops = {
1652 .open = ipipe_init_formats,
1653 };
1654
1655 /* subdev video operations */
1656 static const struct v4l2_subdev_video_ops ipipe_v4l2_video_ops = {
1657 .s_stream = ipipe_set_stream,
1658 };
1659
1660 /* subdev pad operations */
1661 static const struct v4l2_subdev_pad_ops ipipe_v4l2_pad_ops = {
1662 .enum_mbus_code = ipipe_enum_mbus_code,
1663 .enum_frame_size = ipipe_enum_frame_size,
1664 .get_fmt = ipipe_get_format,
1665 .set_fmt = ipipe_set_format,
1666 };
1667
1668 /* v4l2 subdev operation */
1669 static const struct v4l2_subdev_ops ipipe_v4l2_ops = {
1670 .core = &ipipe_v4l2_core_ops,
1671 .video = &ipipe_v4l2_video_ops,
1672 .pad = &ipipe_v4l2_pad_ops,
1673 };
1674
1675 /*
1676 * Media entity operations
1677 */
1678
1679 /*
1680 * ipipe_link_setup() - Setup ipipe connections
1681 * @entity: ipipe media entity
1682 * @local: Pad at the local end of the link
1683 * @remote: Pad at the remote end of the link
1684 * @flags: Link flags
1685 *
1686 * return -EINVAL or zero on success
1687 */
1688 static int
ipipe_link_setup(struct media_entity * entity,const struct media_pad * local,const struct media_pad * remote,u32 flags)1689 ipipe_link_setup(struct media_entity *entity, const struct media_pad *local,
1690 const struct media_pad *remote, u32 flags)
1691 {
1692 struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity);
1693 struct vpfe_ipipe_device *ipipe = v4l2_get_subdevdata(sd);
1694 struct vpfe_device *vpfe_dev = to_vpfe_device(ipipe);
1695 u16 ipipeif_sink = vpfe_dev->vpfe_ipipeif.input;
1696
1697 if (!is_media_entity_v4l2_subdev(remote->entity))
1698 return -EINVAL;
1699
1700 switch (local->index) {
1701 case IPIPE_PAD_SINK:
1702 if (!(flags & MEDIA_LNK_FL_ENABLED)) {
1703 ipipe->input = IPIPE_INPUT_NONE;
1704 break;
1705 }
1706 if (ipipe->input != IPIPE_INPUT_NONE)
1707 return -EBUSY;
1708 if (ipipeif_sink == IPIPEIF_INPUT_MEMORY)
1709 ipipe->input = IPIPE_INPUT_MEMORY;
1710 else
1711 ipipe->input = IPIPE_INPUT_CCDC;
1712 break;
1713
1714 case IPIPE_PAD_SOURCE:
1715 /* out to RESIZER */
1716 if (flags & MEDIA_LNK_FL_ENABLED)
1717 ipipe->output = IPIPE_OUTPUT_RESIZER;
1718 else
1719 ipipe->output = IPIPE_OUTPUT_NONE;
1720 break;
1721
1722 default:
1723 return -EINVAL;
1724 }
1725
1726 return 0;
1727 }
1728
1729 static const struct media_entity_operations ipipe_media_ops = {
1730 .link_setup = ipipe_link_setup,
1731 };
1732
1733 /*
1734 * vpfe_ipipe_unregister_entities() - ipipe unregister entity
1735 * @vpfe_ipipe: pointer to ipipe subdevice structure.
1736 */
vpfe_ipipe_unregister_entities(struct vpfe_ipipe_device * vpfe_ipipe)1737 void vpfe_ipipe_unregister_entities(struct vpfe_ipipe_device *vpfe_ipipe)
1738 {
1739 /* unregister subdev */
1740 v4l2_device_unregister_subdev(&vpfe_ipipe->subdev);
1741 /* cleanup entity */
1742 media_entity_cleanup(&vpfe_ipipe->subdev.entity);
1743 }
1744
1745 /*
1746 * vpfe_ipipe_register_entities() - ipipe register entity
1747 * @ipipe: pointer to ipipe subdevice structure.
1748 * @vdev: pointer to v4l2 device structure.
1749 */
1750 int
vpfe_ipipe_register_entities(struct vpfe_ipipe_device * ipipe,struct v4l2_device * vdev)1751 vpfe_ipipe_register_entities(struct vpfe_ipipe_device *ipipe,
1752 struct v4l2_device *vdev)
1753 {
1754 int ret;
1755
1756 /* Register the subdev */
1757 ret = v4l2_device_register_subdev(vdev, &ipipe->subdev);
1758 if (ret) {
1759 pr_err("Failed to register ipipe as v4l2 subdevice\n");
1760 return ret;
1761 }
1762
1763 return ret;
1764 }
1765
1766 #define IPIPE_CONTRAST_HIGH 0xff
1767 #define IPIPE_BRIGHT_HIGH 0xff
1768
1769 /*
1770 * vpfe_ipipe_init() - ipipe module initialization.
1771 * @ipipe: pointer to ipipe subdevice structure.
1772 * @pdev: platform device pointer.
1773 */
1774 int
vpfe_ipipe_init(struct vpfe_ipipe_device * ipipe,struct platform_device * pdev)1775 vpfe_ipipe_init(struct vpfe_ipipe_device *ipipe, struct platform_device *pdev)
1776 {
1777 struct media_pad *pads = &ipipe->pads[0];
1778 struct v4l2_subdev *sd = &ipipe->subdev;
1779 struct media_entity *me = &sd->entity;
1780 struct resource *res, *memres;
1781
1782 res = platform_get_resource(pdev, IORESOURCE_MEM, 4);
1783 if (!res)
1784 return -ENOENT;
1785
1786 memres = request_mem_region(res->start, resource_size(res), res->name);
1787 if (!memres)
1788 return -EBUSY;
1789 ipipe->base_addr = ioremap_nocache(memres->start,
1790 resource_size(memres));
1791 if (!ipipe->base_addr)
1792 goto error_release;
1793
1794 res = platform_get_resource(pdev, IORESOURCE_MEM, 6);
1795 if (!res)
1796 goto error_unmap;
1797 ipipe->isp5_base_addr = ioremap_nocache(res->start,
1798 resource_size(res));
1799 if (!ipipe->isp5_base_addr)
1800 goto error_unmap;
1801
1802 v4l2_subdev_init(sd, &ipipe_v4l2_ops);
1803 sd->internal_ops = &ipipe_v4l2_internal_ops;
1804 strlcpy(sd->name, "DAVINCI IPIPE", sizeof(sd->name));
1805 sd->grp_id = 1 << 16; /* group ID for davinci subdevs */
1806 v4l2_set_subdevdata(sd, ipipe);
1807 sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
1808
1809 pads[IPIPE_PAD_SINK].flags = MEDIA_PAD_FL_SINK;
1810 pads[IPIPE_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE;
1811
1812 ipipe->input = IPIPE_INPUT_NONE;
1813 ipipe->output = IPIPE_OUTPUT_NONE;
1814
1815 me->ops = &ipipe_media_ops;
1816 v4l2_ctrl_handler_init(&ipipe->ctrls, 2);
1817 v4l2_ctrl_new_std(&ipipe->ctrls, &ipipe_ctrl_ops,
1818 V4L2_CID_BRIGHTNESS, 0,
1819 IPIPE_BRIGHT_HIGH, 1, 16);
1820 v4l2_ctrl_new_std(&ipipe->ctrls, &ipipe_ctrl_ops,
1821 V4L2_CID_CONTRAST, 0,
1822 IPIPE_CONTRAST_HIGH, 1, 16);
1823
1824
1825 v4l2_ctrl_handler_setup(&ipipe->ctrls);
1826 sd->ctrl_handler = &ipipe->ctrls;
1827
1828 return media_entity_pads_init(me, IPIPE_PADS_NUM, pads);
1829
1830 error_unmap:
1831 iounmap(ipipe->base_addr);
1832 error_release:
1833 release_mem_region(memres->start, resource_size(memres));
1834 return -ENOMEM;
1835 }
1836
1837 /*
1838 * vpfe_ipipe_cleanup() - ipipe subdevice cleanup.
1839 * @ipipe: pointer to ipipe subdevice
1840 * @dev: pointer to platform device
1841 */
vpfe_ipipe_cleanup(struct vpfe_ipipe_device * ipipe,struct platform_device * pdev)1842 void vpfe_ipipe_cleanup(struct vpfe_ipipe_device *ipipe,
1843 struct platform_device *pdev)
1844 {
1845 struct resource *res;
1846
1847 v4l2_ctrl_handler_free(&ipipe->ctrls);
1848
1849 iounmap(ipipe->base_addr);
1850 iounmap(ipipe->isp5_base_addr);
1851 res = platform_get_resource(pdev, IORESOURCE_MEM, 4);
1852 if (res)
1853 release_mem_region(res->start, resource_size(res));
1854 }
1855
