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13#include <linux/module.h>
14#include <linux/kernel.h>
15#include <linux/types.h>
16#include <linux/errno.h>
17#include <linux/bug.h>
18#include <linux/interrupt.h>
19#include <linux/device.h>
20#include <linux/platform_device.h>
21#include <linux/pm_runtime.h>
22#include <linux/list.h>
23#include <linux/io.h>
24#include <linux/slab.h>
25#include <linux/clk.h>
26#include <media/v4l2-ioctl.h>
27#include <media/videobuf2-core.h>
28#include <media/videobuf2-dma-contig.h>
29
30#include "fimc-core.h"
31#include "fimc-reg.h"
32#include "fimc-mdevice.h"
33
34static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
35 "sclk_fimc", "fimc"
36};
37
38static struct fimc_fmt fimc_formats[] = {
39 {
40 .name = "RGB565",
41 .fourcc = V4L2_PIX_FMT_RGB565,
42 .depth = { 16 },
43 .color = FIMC_FMT_RGB565,
44 .memplanes = 1,
45 .colplanes = 1,
46 .flags = FMT_FLAGS_M2M,
47 }, {
48 .name = "BGR666",
49 .fourcc = V4L2_PIX_FMT_BGR666,
50 .depth = { 32 },
51 .color = FIMC_FMT_RGB666,
52 .memplanes = 1,
53 .colplanes = 1,
54 .flags = FMT_FLAGS_M2M,
55 }, {
56 .name = "ARGB8888, 32 bpp",
57 .fourcc = V4L2_PIX_FMT_RGB32,
58 .depth = { 32 },
59 .color = FIMC_FMT_RGB888,
60 .memplanes = 1,
61 .colplanes = 1,
62 .flags = FMT_FLAGS_M2M | FMT_HAS_ALPHA,
63 }, {
64 .name = "ARGB1555",
65 .fourcc = V4L2_PIX_FMT_RGB555,
66 .depth = { 16 },
67 .color = FIMC_FMT_RGB555,
68 .memplanes = 1,
69 .colplanes = 1,
70 .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
71 }, {
72 .name = "ARGB4444",
73 .fourcc = V4L2_PIX_FMT_RGB444,
74 .depth = { 16 },
75 .color = FIMC_FMT_RGB444,
76 .memplanes = 1,
77 .colplanes = 1,
78 .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
79 }, {
80 .name = "YUV 4:2:2 packed, YCbYCr",
81 .fourcc = V4L2_PIX_FMT_YUYV,
82 .depth = { 16 },
83 .color = FIMC_FMT_YCBYCR422,
84 .memplanes = 1,
85 .colplanes = 1,
86 .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8,
87 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
88 }, {
89 .name = "YUV 4:2:2 packed, CbYCrY",
90 .fourcc = V4L2_PIX_FMT_UYVY,
91 .depth = { 16 },
92 .color = FIMC_FMT_CBYCRY422,
93 .memplanes = 1,
94 .colplanes = 1,
95 .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8,
96 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
97 }, {
98 .name = "YUV 4:2:2 packed, CrYCbY",
99 .fourcc = V4L2_PIX_FMT_VYUY,
100 .depth = { 16 },
101 .color = FIMC_FMT_CRYCBY422,
102 .memplanes = 1,
103 .colplanes = 1,
104 .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8,
105 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
106 }, {
107 .name = "YUV 4:2:2 packed, YCrYCb",
108 .fourcc = V4L2_PIX_FMT_YVYU,
109 .depth = { 16 },
110 .color = FIMC_FMT_YCRYCB422,
111 .memplanes = 1,
112 .colplanes = 1,
113 .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8,
114 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
115 }, {
116 .name = "YUV 4:2:2 planar, Y/Cb/Cr",
117 .fourcc = V4L2_PIX_FMT_YUV422P,
118 .depth = { 12 },
119 .color = FIMC_FMT_YCBYCR422,
120 .memplanes = 1,
121 .colplanes = 3,
122 .flags = FMT_FLAGS_M2M,
123 }, {
124 .name = "YUV 4:2:2 planar, Y/CbCr",
125 .fourcc = V4L2_PIX_FMT_NV16,
126 .depth = { 16 },
127 .color = FIMC_FMT_YCBYCR422,
128 .memplanes = 1,
129 .colplanes = 2,
130 .flags = FMT_FLAGS_M2M,
131 }, {
132 .name = "YUV 4:2:2 planar, Y/CrCb",
133 .fourcc = V4L2_PIX_FMT_NV61,
134 .depth = { 16 },
135 .color = FIMC_FMT_YCRYCB422,
136 .memplanes = 1,
137 .colplanes = 2,
138 .flags = FMT_FLAGS_M2M,
139 }, {
140 .name = "YUV 4:2:0 planar, YCbCr",
141 .fourcc = V4L2_PIX_FMT_YUV420,
142 .depth = { 12 },
143 .color = FIMC_FMT_YCBCR420,
144 .memplanes = 1,
145 .colplanes = 3,
146 .flags = FMT_FLAGS_M2M,
147 }, {
148 .name = "YUV 4:2:0 planar, Y/CbCr",
149 .fourcc = V4L2_PIX_FMT_NV12,
150 .depth = { 12 },
151 .color = FIMC_FMT_YCBCR420,
152 .memplanes = 1,
153 .colplanes = 2,
154 .flags = FMT_FLAGS_M2M,
155 }, {
156 .name = "YUV 4:2:0 non-contig. 2p, Y/CbCr",
157 .fourcc = V4L2_PIX_FMT_NV12M,
158 .color = FIMC_FMT_YCBCR420,
159 .depth = { 8, 4 },
160 .memplanes = 2,
161 .colplanes = 2,
162 .flags = FMT_FLAGS_M2M,
163 }, {
164 .name = "YUV 4:2:0 non-contig. 3p, Y/Cb/Cr",
165 .fourcc = V4L2_PIX_FMT_YUV420M,
166 .color = FIMC_FMT_YCBCR420,
167 .depth = { 8, 2, 2 },
168 .memplanes = 3,
169 .colplanes = 3,
170 .flags = FMT_FLAGS_M2M,
171 }, {
172 .name = "YUV 4:2:0 non-contig. 2p, tiled",
173 .fourcc = V4L2_PIX_FMT_NV12MT,
174 .color = FIMC_FMT_YCBCR420,
175 .depth = { 8, 4 },
176 .memplanes = 2,
177 .colplanes = 2,
178 .flags = FMT_FLAGS_M2M,
179 }, {
180 .name = "JPEG encoded data",
181 .fourcc = V4L2_PIX_FMT_JPEG,
182 .color = FIMC_FMT_JPEG,
183 .depth = { 8 },
184 .memplanes = 1,
185 .colplanes = 1,
186 .mbus_code = V4L2_MBUS_FMT_JPEG_1X8,
187 .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
188 }, {
189 .name = "S5C73MX interleaved UYVY/JPEG",
190 .fourcc = V4L2_PIX_FMT_S5C_UYVY_JPG,
191 .color = FIMC_FMT_YUYV_JPEG,
192 .depth = { 8 },
193 .memplanes = 2,
194 .colplanes = 1,
195 .mdataplanes = 0x2,
196 .mbus_code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
197 .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
198 },
199};
200
201struct fimc_fmt *fimc_get_format(unsigned int index)
202{
203 if (index >= ARRAY_SIZE(fimc_formats))
204 return NULL;
205
206 return &fimc_formats[index];
207}
208
209int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh,
210 int dw, int dh, int rotation)
211{
212 if (rotation == 90 || rotation == 270)
213 swap(dw, dh);
214
215 if (!ctx->scaler.enabled)
216 return (sw == dw && sh == dh) ? 0 : -EINVAL;
217
218 if ((sw >= SCALER_MAX_HRATIO * dw) || (sh >= SCALER_MAX_VRATIO * dh))
219 return -EINVAL;
220
221 return 0;
222}
223
224static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
225{
226 u32 sh = 6;
227
228 if (src >= 64 * tar)
229 return -EINVAL;
230
231 while (sh--) {
232 u32 tmp = 1 << sh;
233 if (src >= tar * tmp) {
234 *shift = sh, *ratio = tmp;
235 return 0;
236 }
237 }
238 *shift = 0, *ratio = 1;
239 return 0;
240}
241
242int fimc_set_scaler_info(struct fimc_ctx *ctx)
243{
244 const struct fimc_variant *variant = ctx->fimc_dev->variant;
245 struct device *dev = &ctx->fimc_dev->pdev->dev;
246 struct fimc_scaler *sc = &ctx->scaler;
247 struct fimc_frame *s_frame = &ctx->s_frame;
248 struct fimc_frame *d_frame = &ctx->d_frame;
249 int tx, ty, sx, sy;
250 int ret;
251
252 if (ctx->rotation == 90 || ctx->rotation == 270) {
253 ty = d_frame->width;
254 tx = d_frame->height;
255 } else {
256 tx = d_frame->width;
257 ty = d_frame->height;
258 }
259 if (tx <= 0 || ty <= 0) {
260 dev_err(dev, "Invalid target size: %dx%d\n", tx, ty);
261 return -EINVAL;
262 }
263
264 sx = s_frame->width;
265 sy = s_frame->height;
266 if (sx <= 0 || sy <= 0) {
267 dev_err(dev, "Invalid source size: %dx%d\n", sx, sy);
268 return -EINVAL;
269 }
270 sc->real_width = sx;
271 sc->real_height = sy;
272
273 ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor);
274 if (ret)
275 return ret;
276
277 ret = fimc_get_scaler_factor(sy, ty, &sc->pre_vratio, &sc->vfactor);
278 if (ret)
279 return ret;
280
281 sc->pre_dst_width = sx / sc->pre_hratio;
282 sc->pre_dst_height = sy / sc->pre_vratio;
283
284 if (variant->has_mainscaler_ext) {
285 sc->main_hratio = (sx << 14) / (tx << sc->hfactor);
286 sc->main_vratio = (sy << 14) / (ty << sc->vfactor);
287 } else {
288 sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
289 sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
290
291 }
292
293 sc->scaleup_h = (tx >= sx) ? 1 : 0;
294 sc->scaleup_v = (ty >= sy) ? 1 : 0;
295
296
297 if (s_frame->fmt->color == d_frame->fmt->color
298 && s_frame->width == d_frame->width
299 && s_frame->height == d_frame->height)
300 sc->copy_mode = 1;
301 else
302 sc->copy_mode = 0;
303
304 return 0;
305}
306
307static irqreturn_t fimc_irq_handler(int irq, void *priv)
308{
309 struct fimc_dev *fimc = priv;
310 struct fimc_ctx *ctx;
311
312 fimc_hw_clear_irq(fimc);
313
314 spin_lock(&fimc->slock);
315
316 if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
317 if (test_and_clear_bit(ST_M2M_SUSPENDING, &fimc->state)) {
318 set_bit(ST_M2M_SUSPENDED, &fimc->state);
319 wake_up(&fimc->irq_queue);
320 goto out;
321 }
322 ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
323 if (ctx != NULL) {
324 spin_unlock(&fimc->slock);
325 fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE);
326
327 if (ctx->state & FIMC_CTX_SHUT) {
328 ctx->state &= ~FIMC_CTX_SHUT;
329 wake_up(&fimc->irq_queue);
330 }
331 return IRQ_HANDLED;
332 }
333 } else if (test_bit(ST_CAPT_PEND, &fimc->state)) {
334 int last_buf = test_bit(ST_CAPT_JPEG, &fimc->state) &&
335 fimc->vid_cap.reqbufs_count == 1;
336 fimc_capture_irq_handler(fimc, !last_buf);
337 }
338out:
339 spin_unlock(&fimc->slock);
340 return IRQ_HANDLED;
341}
342
343
344int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
345 struct fimc_frame *frame, struct fimc_addr *paddr)
346{
347 int ret = 0;
348 u32 pix_size;
349
350 if (vb == NULL || frame == NULL)
351 return -EINVAL;
352
353 pix_size = frame->width * frame->height;
354
355 dbg("memplanes= %d, colplanes= %d, pix_size= %d",
356 frame->fmt->memplanes, frame->fmt->colplanes, pix_size);
357
358 paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0);
359
360 if (frame->fmt->memplanes == 1) {
361 switch (frame->fmt->colplanes) {
362 case 1:
363 paddr->cb = 0;
364 paddr->cr = 0;
365 break;
366 case 2:
367
368 paddr->cb = (u32)(paddr->y + pix_size);
369 paddr->cr = 0;
370 break;
371 case 3:
372 paddr->cb = (u32)(paddr->y + pix_size);
373
374 if (FIMC_FMT_YCBCR420 == frame->fmt->color)
375 paddr->cr = (u32)(paddr->cb
376 + (pix_size >> 2));
377 else
378 paddr->cr = (u32)(paddr->cb
379 + (pix_size >> 1));
380 break;
381 default:
382 return -EINVAL;
383 }
384 } else if (!frame->fmt->mdataplanes) {
385 if (frame->fmt->memplanes >= 2)
386 paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
387
388 if (frame->fmt->memplanes == 3)
389 paddr->cr = vb2_dma_contig_plane_dma_addr(vb, 2);
390 }
391
392 dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
393 paddr->y, paddr->cb, paddr->cr, ret);
394
395 return ret;
396}
397
398
399void fimc_set_yuv_order(struct fimc_ctx *ctx)
400{
401
402 ctx->in_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
403 ctx->out_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
404
405
406 switch (ctx->s_frame.fmt->color) {
407 case FIMC_FMT_YCRYCB422:
408 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CBYCRY;
409 break;
410 case FIMC_FMT_CBYCRY422:
411 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCRYCB;
412 break;
413 case FIMC_FMT_CRYCBY422:
414 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCBYCR;
415 break;
416 case FIMC_FMT_YCBYCR422:
417 default:
418 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CRYCBY;
419 break;
420 }
421 dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
422
423 switch (ctx->d_frame.fmt->color) {
424 case FIMC_FMT_YCRYCB422:
425 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CBYCRY;
426 break;
427 case FIMC_FMT_CBYCRY422:
428 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCRYCB;
429 break;
430 case FIMC_FMT_CRYCBY422:
431 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCBYCR;
432 break;
433 case FIMC_FMT_YCBYCR422:
434 default:
435 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CRYCBY;
436 break;
437 }
438 dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
439}
440
441void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
442{
443 const struct fimc_variant *variant = ctx->fimc_dev->variant;
444 u32 i, depth = 0;
445
446 for (i = 0; i < f->fmt->colplanes; i++)
447 depth += f->fmt->depth[i];
448
449 f->dma_offset.y_h = f->offs_h;
450 if (!variant->pix_hoff)
451 f->dma_offset.y_h *= (depth >> 3);
452
453 f->dma_offset.y_v = f->offs_v;
454
455 f->dma_offset.cb_h = f->offs_h;
456 f->dma_offset.cb_v = f->offs_v;
457
458 f->dma_offset.cr_h = f->offs_h;
459 f->dma_offset.cr_v = f->offs_v;
460
461 if (!variant->pix_hoff) {
462 if (f->fmt->colplanes == 3) {
463 f->dma_offset.cb_h >>= 1;
464 f->dma_offset.cr_h >>= 1;
465 }
466 if (f->fmt->color == FIMC_FMT_YCBCR420) {
467 f->dma_offset.cb_v >>= 1;
468 f->dma_offset.cr_v >>= 1;
469 }
470 }
471
472 dbg("in_offset: color= %d, y_h= %d, y_v= %d",
473 f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
474}
475
476static int fimc_set_color_effect(struct fimc_ctx *ctx, enum v4l2_colorfx colorfx)
477{
478 struct fimc_effect *effect = &ctx->effect;
479
480 switch (colorfx) {
481 case V4L2_COLORFX_NONE:
482 effect->type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
483 break;
484 case V4L2_COLORFX_BW:
485 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
486 effect->pat_cb = 128;
487 effect->pat_cr = 128;
488 break;
489 case V4L2_COLORFX_SEPIA:
490 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
491 effect->pat_cb = 115;
492 effect->pat_cr = 145;
493 break;
494 case V4L2_COLORFX_NEGATIVE:
495 effect->type = FIMC_REG_CIIMGEFF_FIN_NEGATIVE;
496 break;
497 case V4L2_COLORFX_EMBOSS:
498 effect->type = FIMC_REG_CIIMGEFF_FIN_EMBOSSING;
499 break;
500 case V4L2_COLORFX_ART_FREEZE:
501 effect->type = FIMC_REG_CIIMGEFF_FIN_ARTFREEZE;
502 break;
503 case V4L2_COLORFX_SILHOUETTE:
504 effect->type = FIMC_REG_CIIMGEFF_FIN_SILHOUETTE;
505 break;
506 case V4L2_COLORFX_SET_CBCR:
507 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
508 effect->pat_cb = ctx->ctrls.colorfx_cbcr->val >> 8;
509 effect->pat_cr = ctx->ctrls.colorfx_cbcr->val & 0xff;
510 break;
511 default:
512 return -EINVAL;
513 }
514
515 return 0;
516}
517
518
519
520
521#define ctrl_to_ctx(__ctrl) \
522 container_of((__ctrl)->handler, struct fimc_ctx, ctrls.handler)
523
524static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl)
525{
526 struct fimc_dev *fimc = ctx->fimc_dev;
527 const struct fimc_variant *variant = fimc->variant;
528 int ret = 0;
529
530 if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
531 return 0;
532
533 switch (ctrl->id) {
534 case V4L2_CID_HFLIP:
535 ctx->hflip = ctrl->val;
536 break;
537
538 case V4L2_CID_VFLIP:
539 ctx->vflip = ctrl->val;
540 break;
541
542 case V4L2_CID_ROTATE:
543 if (fimc_capture_pending(fimc)) {
544 ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
545 ctx->s_frame.height, ctx->d_frame.width,
546 ctx->d_frame.height, ctrl->val);
547 if (ret)
548 return -EINVAL;
549 }
550 if ((ctrl->val == 90 || ctrl->val == 270) &&
551 !variant->has_out_rot)
552 return -EINVAL;
553
554 ctx->rotation = ctrl->val;
555 break;
556
557 case V4L2_CID_ALPHA_COMPONENT:
558 ctx->d_frame.alpha = ctrl->val;
559 break;
560
561 case V4L2_CID_COLORFX:
562 ret = fimc_set_color_effect(ctx, ctrl->val);
563 if (ret)
564 return ret;
565 break;
566 }
567
568 ctx->state |= FIMC_PARAMS;
569 set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
570 return 0;
571}
572
573static int fimc_s_ctrl(struct v4l2_ctrl *ctrl)
574{
575 struct fimc_ctx *ctx = ctrl_to_ctx(ctrl);
576 unsigned long flags;
577 int ret;
578
579 spin_lock_irqsave(&ctx->fimc_dev->slock, flags);
580 ret = __fimc_s_ctrl(ctx, ctrl);
581 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags);
582
583 return ret;
584}
585
586static const struct v4l2_ctrl_ops fimc_ctrl_ops = {
587 .s_ctrl = fimc_s_ctrl,
588};
589
590int fimc_ctrls_create(struct fimc_ctx *ctx)
591{
592 const struct fimc_variant *variant = ctx->fimc_dev->variant;
593 unsigned int max_alpha = fimc_get_alpha_mask(ctx->d_frame.fmt);
594 struct fimc_ctrls *ctrls = &ctx->ctrls;
595 struct v4l2_ctrl_handler *handler = &ctrls->handler;
596
597 if (ctx->ctrls.ready)
598 return 0;
599
600 v4l2_ctrl_handler_init(handler, 6);
601
602 ctrls->rotate = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
603 V4L2_CID_ROTATE, 0, 270, 90, 0);
604 ctrls->hflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
605 V4L2_CID_HFLIP, 0, 1, 1, 0);
606 ctrls->vflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
607 V4L2_CID_VFLIP, 0, 1, 1, 0);
608
609 if (variant->has_alpha)
610 ctrls->alpha = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
611 V4L2_CID_ALPHA_COMPONENT,
612 0, max_alpha, 1, 0);
613 else
614 ctrls->alpha = NULL;
615
616 ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, &fimc_ctrl_ops,
617 V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR,
618 ~0x983f, V4L2_COLORFX_NONE);
619
620 ctrls->colorfx_cbcr = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
621 V4L2_CID_COLORFX_CBCR, 0, 0xffff, 1, 0);
622
623 ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
624
625 if (!handler->error) {
626 v4l2_ctrl_cluster(2, &ctrls->colorfx);
627 ctrls->ready = true;
628 }
629
630 return handler->error;
631}
632
633void fimc_ctrls_delete(struct fimc_ctx *ctx)
634{
635 struct fimc_ctrls *ctrls = &ctx->ctrls;
636
637 if (ctrls->ready) {
638 v4l2_ctrl_handler_free(&ctrls->handler);
639 ctrls->ready = false;
640 ctrls->alpha = NULL;
641 }
642}
643
644void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active)
645{
646 unsigned int has_alpha = ctx->d_frame.fmt->flags & FMT_HAS_ALPHA;
647 struct fimc_ctrls *ctrls = &ctx->ctrls;
648
649 if (!ctrls->ready)
650 return;
651
652 mutex_lock(ctrls->handler.lock);
653 v4l2_ctrl_activate(ctrls->rotate, active);
654 v4l2_ctrl_activate(ctrls->hflip, active);
655 v4l2_ctrl_activate(ctrls->vflip, active);
656 v4l2_ctrl_activate(ctrls->colorfx, active);
657 if (ctrls->alpha)
658 v4l2_ctrl_activate(ctrls->alpha, active && has_alpha);
659
660 if (active) {
661 fimc_set_color_effect(ctx, ctrls->colorfx->cur.val);
662 ctx->rotation = ctrls->rotate->val;
663 ctx->hflip = ctrls->hflip->val;
664 ctx->vflip = ctrls->vflip->val;
665 } else {
666 ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
667 ctx->rotation = 0;
668 ctx->hflip = 0;
669 ctx->vflip = 0;
670 }
671 mutex_unlock(ctrls->handler.lock);
672}
673
674
675void fimc_alpha_ctrl_update(struct fimc_ctx *ctx)
676{
677 struct fimc_dev *fimc = ctx->fimc_dev;
678 struct v4l2_ctrl *ctrl = ctx->ctrls.alpha;
679
680 if (ctrl == NULL || !fimc->variant->has_alpha)
681 return;
682
683 v4l2_ctrl_lock(ctrl);
684 ctrl->maximum = fimc_get_alpha_mask(ctx->d_frame.fmt);
685
686 if (ctrl->cur.val > ctrl->maximum)
687 ctrl->cur.val = ctrl->maximum;
688
689 v4l2_ctrl_unlock(ctrl);
690}
691
692void __fimc_get_format(struct fimc_frame *frame, struct v4l2_format *f)
693{
694 struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
695 int i;
696
697 pixm->width = frame->o_width;
698 pixm->height = frame->o_height;
699 pixm->field = V4L2_FIELD_NONE;
700 pixm->pixelformat = frame->fmt->fourcc;
701 pixm->colorspace = V4L2_COLORSPACE_JPEG;
702 pixm->num_planes = frame->fmt->memplanes;
703
704 for (i = 0; i < pixm->num_planes; ++i) {
705 pixm->plane_fmt[i].bytesperline = frame->bytesperline[i];
706 pixm->plane_fmt[i].sizeimage = frame->payload[i];
707 }
708}
709
710
711
712
713
714
715
716
717void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
718 struct v4l2_pix_format_mplane *pix)
719{
720 u32 bytesperline = 0;
721 int i;
722
723 pix->colorspace = V4L2_COLORSPACE_JPEG;
724 pix->field = V4L2_FIELD_NONE;
725 pix->num_planes = fmt->memplanes;
726 pix->pixelformat = fmt->fourcc;
727 pix->height = height;
728 pix->width = width;
729
730 for (i = 0; i < pix->num_planes; ++i) {
731 struct v4l2_plane_pix_format *plane_fmt = &pix->plane_fmt[i];
732 u32 bpl = plane_fmt->bytesperline;
733
734 if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
735 bpl = pix->width;
736
737 if (fmt->colplanes == 1 &&
738 (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width))
739 bpl = (pix->width * fmt->depth[0]) / 8;
740
741
742
743
744
745
746 if (i == 0)
747 bytesperline = bpl;
748 else if (i == 1 && fmt->memplanes == 3)
749 bytesperline /= 2;
750
751 plane_fmt->bytesperline = bytesperline;
752 plane_fmt->sizeimage = max((pix->width * pix->height *
753 fmt->depth[i]) / 8, plane_fmt->sizeimage);
754 }
755}
756
757
758
759
760
761
762
763
764struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code,
765 unsigned int mask, int index)
766{
767 struct fimc_fmt *fmt, *def_fmt = NULL;
768 unsigned int i;
769 int id = 0;
770
771 if (index >= (int)ARRAY_SIZE(fimc_formats))
772 return NULL;
773
774 for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
775 fmt = &fimc_formats[i];
776 if (!(fmt->flags & mask))
777 continue;
778 if (pixelformat && fmt->fourcc == *pixelformat)
779 return fmt;
780 if (mbus_code && fmt->mbus_code == *mbus_code)
781 return fmt;
782 if (index == id)
783 def_fmt = fmt;
784 id++;
785 }
786 return def_fmt;
787}
788
789static void fimc_clk_put(struct fimc_dev *fimc)
790{
791 int i;
792 for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
793 if (IS_ERR(fimc->clock[i]))
794 continue;
795 clk_unprepare(fimc->clock[i]);
796 clk_put(fimc->clock[i]);
797 fimc->clock[i] = ERR_PTR(-EINVAL);
798 }
799}
800
801static int fimc_clk_get(struct fimc_dev *fimc)
802{
803 int i, ret;
804
805 for (i = 0; i < MAX_FIMC_CLOCKS; i++)
806 fimc->clock[i] = ERR_PTR(-EINVAL);
807
808 for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
809 fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
810 if (IS_ERR(fimc->clock[i])) {
811 ret = PTR_ERR(fimc->clock[i]);
812 goto err;
813 }
814 ret = clk_prepare(fimc->clock[i]);
815 if (ret < 0) {
816 clk_put(fimc->clock[i]);
817 fimc->clock[i] = ERR_PTR(-EINVAL);
818 goto err;
819 }
820 }
821 return 0;
822err:
823 fimc_clk_put(fimc);
824 dev_err(&fimc->pdev->dev, "failed to get clock: %s\n",
825 fimc_clocks[i]);
826 return -ENXIO;
827}
828
829static int fimc_m2m_suspend(struct fimc_dev *fimc)
830{
831 unsigned long flags;
832 int timeout;
833
834 spin_lock_irqsave(&fimc->slock, flags);
835 if (!fimc_m2m_pending(fimc)) {
836 spin_unlock_irqrestore(&fimc->slock, flags);
837 return 0;
838 }
839 clear_bit(ST_M2M_SUSPENDED, &fimc->state);
840 set_bit(ST_M2M_SUSPENDING, &fimc->state);
841 spin_unlock_irqrestore(&fimc->slock, flags);
842
843 timeout = wait_event_timeout(fimc->irq_queue,
844 test_bit(ST_M2M_SUSPENDED, &fimc->state),
845 FIMC_SHUTDOWN_TIMEOUT);
846
847 clear_bit(ST_M2M_SUSPENDING, &fimc->state);
848 return timeout == 0 ? -EAGAIN : 0;
849}
850
851static int fimc_m2m_resume(struct fimc_dev *fimc)
852{
853 struct fimc_ctx *ctx;
854 unsigned long flags;
855
856 spin_lock_irqsave(&fimc->slock, flags);
857
858 ctx = fimc->m2m.ctx;
859 fimc->m2m.ctx = NULL;
860 spin_unlock_irqrestore(&fimc->slock, flags);
861
862 if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state))
863 fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
864
865 return 0;
866}
867
868static int fimc_probe(struct platform_device *pdev)
869{
870 const struct fimc_drvdata *drv_data = fimc_get_drvdata(pdev);
871 struct s5p_platform_fimc *pdata;
872 struct fimc_dev *fimc;
873 struct resource *res;
874 int ret = 0;
875
876 if (pdev->id >= drv_data->num_entities) {
877 dev_err(&pdev->dev, "Invalid platform device id: %d\n",
878 pdev->id);
879 return -EINVAL;
880 }
881
882 fimc = devm_kzalloc(&pdev->dev, sizeof(*fimc), GFP_KERNEL);
883 if (!fimc)
884 return -ENOMEM;
885
886 fimc->id = pdev->id;
887
888 fimc->variant = drv_data->variant[fimc->id];
889 fimc->pdev = pdev;
890 pdata = pdev->dev.platform_data;
891 fimc->pdata = pdata;
892
893 init_waitqueue_head(&fimc->irq_queue);
894 spin_lock_init(&fimc->slock);
895 mutex_init(&fimc->lock);
896
897 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
898 fimc->regs = devm_ioremap_resource(&pdev->dev, res);
899 if (IS_ERR(fimc->regs))
900 return PTR_ERR(fimc->regs);
901
902 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
903 if (res == NULL) {
904 dev_err(&pdev->dev, "Failed to get IRQ resource\n");
905 return -ENXIO;
906 }
907
908 ret = fimc_clk_get(fimc);
909 if (ret)
910 return ret;
911
912 ret = clk_set_rate(fimc->clock[CLK_BUS], drv_data->lclk_frequency);
913 if (ret < 0)
914 return ret;
915
916 ret = clk_enable(fimc->clock[CLK_BUS]);
917 if (ret < 0)
918 return ret;
919
920 ret = devm_request_irq(&pdev->dev, res->start, fimc_irq_handler,
921 0, dev_name(&pdev->dev), fimc);
922 if (ret) {
923 dev_err(&pdev->dev, "failed to install irq (%d)\n", ret);
924 goto err_clk;
925 }
926
927 ret = fimc_initialize_capture_subdev(fimc);
928 if (ret)
929 goto err_clk;
930
931 platform_set_drvdata(pdev, fimc);
932 pm_runtime_enable(&pdev->dev);
933 ret = pm_runtime_get_sync(&pdev->dev);
934 if (ret < 0)
935 goto err_sd;
936
937 fimc->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev);
938 if (IS_ERR(fimc->alloc_ctx)) {
939 ret = PTR_ERR(fimc->alloc_ctx);
940 goto err_pm;
941 }
942
943 dev_dbg(&pdev->dev, "FIMC.%d registered successfully\n", fimc->id);
944
945 pm_runtime_put(&pdev->dev);
946 return 0;
947err_pm:
948 pm_runtime_put(&pdev->dev);
949err_sd:
950 fimc_unregister_capture_subdev(fimc);
951err_clk:
952 clk_disable(fimc->clock[CLK_BUS]);
953 fimc_clk_put(fimc);
954 return ret;
955}
956
957static int fimc_runtime_resume(struct device *dev)
958{
959 struct fimc_dev *fimc = dev_get_drvdata(dev);
960
961 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
962
963
964 clk_enable(fimc->clock[CLK_GATE]);
965 fimc_hw_reset(fimc);
966
967
968 if (fimc_capture_busy(fimc))
969 return fimc_capture_resume(fimc);
970
971 return fimc_m2m_resume(fimc);
972}
973
974static int fimc_runtime_suspend(struct device *dev)
975{
976 struct fimc_dev *fimc = dev_get_drvdata(dev);
977 int ret = 0;
978
979 if (fimc_capture_busy(fimc))
980 ret = fimc_capture_suspend(fimc);
981 else
982 ret = fimc_m2m_suspend(fimc);
983 if (!ret)
984 clk_disable(fimc->clock[CLK_GATE]);
985
986 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
987 return ret;
988}
989
990#ifdef CONFIG_PM_SLEEP
991static int fimc_resume(struct device *dev)
992{
993 struct fimc_dev *fimc = dev_get_drvdata(dev);
994 unsigned long flags;
995
996 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
997
998
999 spin_lock_irqsave(&fimc->slock, flags);
1000 if (!test_and_clear_bit(ST_LPM, &fimc->state) ||
1001 (!fimc_m2m_active(fimc) && !fimc_capture_busy(fimc))) {
1002 spin_unlock_irqrestore(&fimc->slock, flags);
1003 return 0;
1004 }
1005 fimc_hw_reset(fimc);
1006 spin_unlock_irqrestore(&fimc->slock, flags);
1007
1008 if (fimc_capture_busy(fimc))
1009 return fimc_capture_resume(fimc);
1010
1011 return fimc_m2m_resume(fimc);
1012}
1013
1014static int fimc_suspend(struct device *dev)
1015{
1016 struct fimc_dev *fimc = dev_get_drvdata(dev);
1017
1018 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1019
1020 if (test_and_set_bit(ST_LPM, &fimc->state))
1021 return 0;
1022 if (fimc_capture_busy(fimc))
1023 return fimc_capture_suspend(fimc);
1024
1025 return fimc_m2m_suspend(fimc);
1026}
1027#endif
1028
1029static int fimc_remove(struct platform_device *pdev)
1030{
1031 struct fimc_dev *fimc = platform_get_drvdata(pdev);
1032
1033 pm_runtime_disable(&pdev->dev);
1034 pm_runtime_set_suspended(&pdev->dev);
1035
1036 fimc_unregister_capture_subdev(fimc);
1037 vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
1038
1039 clk_disable(fimc->clock[CLK_BUS]);
1040 fimc_clk_put(fimc);
1041
1042 dev_info(&pdev->dev, "driver unloaded\n");
1043 return 0;
1044}
1045
1046
1047static const struct fimc_pix_limit s5p_pix_limit[4] = {
1048 [0] = {
1049 .scaler_en_w = 3264,
1050 .scaler_dis_w = 8192,
1051 .in_rot_en_h = 1920,
1052 .in_rot_dis_w = 8192,
1053 .out_rot_en_w = 1920,
1054 .out_rot_dis_w = 4224,
1055 },
1056 [1] = {
1057 .scaler_en_w = 4224,
1058 .scaler_dis_w = 8192,
1059 .in_rot_en_h = 1920,
1060 .in_rot_dis_w = 8192,
1061 .out_rot_en_w = 1920,
1062 .out_rot_dis_w = 4224,
1063 },
1064 [2] = {
1065 .scaler_en_w = 1920,
1066 .scaler_dis_w = 8192,
1067 .in_rot_en_h = 1280,
1068 .in_rot_dis_w = 8192,
1069 .out_rot_en_w = 1280,
1070 .out_rot_dis_w = 1920,
1071 },
1072 [3] = {
1073 .scaler_en_w = 1920,
1074 .scaler_dis_w = 8192,
1075 .in_rot_en_h = 1366,
1076 .in_rot_dis_w = 8192,
1077 .out_rot_en_w = 1366,
1078 .out_rot_dis_w = 1920,
1079 },
1080};
1081
1082static const struct fimc_variant fimc0_variant_s5p = {
1083 .has_inp_rot = 1,
1084 .has_out_rot = 1,
1085 .has_cam_if = 1,
1086 .min_inp_pixsize = 16,
1087 .min_out_pixsize = 16,
1088 .hor_offs_align = 8,
1089 .min_vsize_align = 16,
1090 .out_buf_count = 4,
1091 .pix_limit = &s5p_pix_limit[0],
1092};
1093
1094static const struct fimc_variant fimc2_variant_s5p = {
1095 .has_cam_if = 1,
1096 .min_inp_pixsize = 16,
1097 .min_out_pixsize = 16,
1098 .hor_offs_align = 8,
1099 .min_vsize_align = 16,
1100 .out_buf_count = 4,
1101 .pix_limit = &s5p_pix_limit[1],
1102};
1103
1104static const struct fimc_variant fimc0_variant_s5pv210 = {
1105 .pix_hoff = 1,
1106 .has_inp_rot = 1,
1107 .has_out_rot = 1,
1108 .has_cam_if = 1,
1109 .min_inp_pixsize = 16,
1110 .min_out_pixsize = 16,
1111 .hor_offs_align = 8,
1112 .min_vsize_align = 16,
1113 .out_buf_count = 4,
1114 .pix_limit = &s5p_pix_limit[1],
1115};
1116
1117static const struct fimc_variant fimc1_variant_s5pv210 = {
1118 .pix_hoff = 1,
1119 .has_inp_rot = 1,
1120 .has_out_rot = 1,
1121 .has_cam_if = 1,
1122 .has_mainscaler_ext = 1,
1123 .min_inp_pixsize = 16,
1124 .min_out_pixsize = 16,
1125 .hor_offs_align = 1,
1126 .min_vsize_align = 1,
1127 .out_buf_count = 4,
1128 .pix_limit = &s5p_pix_limit[2],
1129};
1130
1131static const struct fimc_variant fimc2_variant_s5pv210 = {
1132 .has_cam_if = 1,
1133 .pix_hoff = 1,
1134 .min_inp_pixsize = 16,
1135 .min_out_pixsize = 16,
1136 .hor_offs_align = 8,
1137 .min_vsize_align = 16,
1138 .out_buf_count = 4,
1139 .pix_limit = &s5p_pix_limit[2],
1140};
1141
1142static const struct fimc_variant fimc0_variant_exynos4210 = {
1143 .pix_hoff = 1,
1144 .has_inp_rot = 1,
1145 .has_out_rot = 1,
1146 .has_cam_if = 1,
1147 .has_cistatus2 = 1,
1148 .has_mainscaler_ext = 1,
1149 .has_alpha = 1,
1150 .min_inp_pixsize = 16,
1151 .min_out_pixsize = 16,
1152 .hor_offs_align = 2,
1153 .min_vsize_align = 1,
1154 .out_buf_count = 32,
1155 .pix_limit = &s5p_pix_limit[1],
1156};
1157
1158static const struct fimc_variant fimc3_variant_exynos4210 = {
1159 .pix_hoff = 1,
1160 .has_cistatus2 = 1,
1161 .has_mainscaler_ext = 1,
1162 .has_alpha = 1,
1163 .min_inp_pixsize = 16,
1164 .min_out_pixsize = 16,
1165 .hor_offs_align = 2,
1166 .min_vsize_align = 1,
1167 .out_buf_count = 32,
1168 .pix_limit = &s5p_pix_limit[3],
1169};
1170
1171static const struct fimc_variant fimc0_variant_exynos4x12 = {
1172 .pix_hoff = 1,
1173 .has_inp_rot = 1,
1174 .has_out_rot = 1,
1175 .has_cam_if = 1,
1176 .has_isp_wb = 1,
1177 .has_cistatus2 = 1,
1178 .has_mainscaler_ext = 1,
1179 .has_alpha = 1,
1180 .min_inp_pixsize = 16,
1181 .min_out_pixsize = 16,
1182 .hor_offs_align = 2,
1183 .min_vsize_align = 1,
1184 .out_buf_count = 32,
1185 .pix_limit = &s5p_pix_limit[1],
1186};
1187
1188static const struct fimc_variant fimc3_variant_exynos4x12 = {
1189 .pix_hoff = 1,
1190 .has_cistatus2 = 1,
1191 .has_mainscaler_ext = 1,
1192 .has_alpha = 1,
1193 .min_inp_pixsize = 16,
1194 .min_out_pixsize = 16,
1195 .hor_offs_align = 2,
1196 .min_vsize_align = 1,
1197 .out_buf_count = 32,
1198 .pix_limit = &s5p_pix_limit[3],
1199};
1200
1201
1202static const struct fimc_drvdata fimc_drvdata_s5p = {
1203 .variant = {
1204 [0] = &fimc0_variant_s5p,
1205 [1] = &fimc0_variant_s5p,
1206 [2] = &fimc2_variant_s5p,
1207 },
1208 .num_entities = 3,
1209 .lclk_frequency = 133000000UL,
1210};
1211
1212
1213static const struct fimc_drvdata fimc_drvdata_s5pv210 = {
1214 .variant = {
1215 [0] = &fimc0_variant_s5pv210,
1216 [1] = &fimc1_variant_s5pv210,
1217 [2] = &fimc2_variant_s5pv210,
1218 },
1219 .num_entities = 3,
1220 .lclk_frequency = 166000000UL,
1221};
1222
1223
1224static const struct fimc_drvdata fimc_drvdata_exynos4210 = {
1225 .variant = {
1226 [0] = &fimc0_variant_exynos4210,
1227 [1] = &fimc0_variant_exynos4210,
1228 [2] = &fimc0_variant_exynos4210,
1229 [3] = &fimc3_variant_exynos4210,
1230 },
1231 .num_entities = 4,
1232 .lclk_frequency = 166000000UL,
1233};
1234
1235
1236static const struct fimc_drvdata fimc_drvdata_exynos4x12 = {
1237 .variant = {
1238 [0] = &fimc0_variant_exynos4x12,
1239 [1] = &fimc0_variant_exynos4x12,
1240 [2] = &fimc0_variant_exynos4x12,
1241 [3] = &fimc3_variant_exynos4x12,
1242 },
1243 .num_entities = 4,
1244 .lclk_frequency = 166000000UL,
1245};
1246
1247static const struct platform_device_id fimc_driver_ids[] = {
1248 {
1249 .name = "s5p-fimc",
1250 .driver_data = (unsigned long)&fimc_drvdata_s5p,
1251 }, {
1252 .name = "s5pv210-fimc",
1253 .driver_data = (unsigned long)&fimc_drvdata_s5pv210,
1254 }, {
1255 .name = "exynos4-fimc",
1256 .driver_data = (unsigned long)&fimc_drvdata_exynos4210,
1257 }, {
1258 .name = "exynos4x12-fimc",
1259 .driver_data = (unsigned long)&fimc_drvdata_exynos4x12,
1260 },
1261 {},
1262};
1263MODULE_DEVICE_TABLE(platform, fimc_driver_ids);
1264
1265static const struct dev_pm_ops fimc_pm_ops = {
1266 SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
1267 SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
1268};
1269
1270static struct platform_driver fimc_driver = {
1271 .probe = fimc_probe,
1272 .remove = fimc_remove,
1273 .id_table = fimc_driver_ids,
1274 .driver = {
1275 .name = FIMC_MODULE_NAME,
1276 .owner = THIS_MODULE,
1277 .pm = &fimc_pm_ops,
1278 }
1279};
1280
1281int __init fimc_register_driver(void)
1282{
1283 return platform_driver_register(&fimc_driver);
1284}
1285
1286void __exit fimc_unregister_driver(void)
1287{
1288 platform_driver_unregister(&fimc_driver);
1289}
1290
