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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/mfd/syscon.h>
24#include <linux/io.h>
25#include <linux/of.h>
26#include <linux/of_device.h>
27#include <linux/slab.h>
28#include <linux/clk.h>
29#include <media/v4l2-ioctl.h>
30#include <media/videobuf2-core.h>
31#include <media/videobuf2-dma-contig.h>
32
33#include "fimc-core.h"
34#include "fimc-reg.h"
35#include "media-dev.h"
36
37static char *fimc_clocks[MAX_FIMC_CLOCKS] = {
38 "sclk_fimc", "fimc"
39};
40
41static struct fimc_fmt fimc_formats[] = {
42 {
43 .name = "RGB565",
44 .fourcc = V4L2_PIX_FMT_RGB565,
45 .depth = { 16 },
46 .color = FIMC_FMT_RGB565,
47 .memplanes = 1,
48 .colplanes = 1,
49 .flags = FMT_FLAGS_M2M,
50 }, {
51 .name = "BGR666",
52 .fourcc = V4L2_PIX_FMT_BGR666,
53 .depth = { 32 },
54 .color = FIMC_FMT_RGB666,
55 .memplanes = 1,
56 .colplanes = 1,
57 .flags = FMT_FLAGS_M2M,
58 }, {
59 .name = "ARGB8888, 32 bpp",
60 .fourcc = V4L2_PIX_FMT_RGB32,
61 .depth = { 32 },
62 .color = FIMC_FMT_RGB888,
63 .memplanes = 1,
64 .colplanes = 1,
65 .flags = FMT_FLAGS_M2M | FMT_HAS_ALPHA,
66 }, {
67 .name = "ARGB1555",
68 .fourcc = V4L2_PIX_FMT_RGB555,
69 .depth = { 16 },
70 .color = FIMC_FMT_RGB555,
71 .memplanes = 1,
72 .colplanes = 1,
73 .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
74 }, {
75 .name = "ARGB4444",
76 .fourcc = V4L2_PIX_FMT_RGB444,
77 .depth = { 16 },
78 .color = FIMC_FMT_RGB444,
79 .memplanes = 1,
80 .colplanes = 1,
81 .flags = FMT_FLAGS_M2M_OUT | FMT_HAS_ALPHA,
82 }, {
83 .name = "YUV 4:4:4",
84 .mbus_code = V4L2_MBUS_FMT_YUV10_1X30,
85 .flags = FMT_FLAGS_WRITEBACK,
86 }, {
87 .name = "YUV 4:2:2 packed, YCbYCr",
88 .fourcc = V4L2_PIX_FMT_YUYV,
89 .depth = { 16 },
90 .color = FIMC_FMT_YCBYCR422,
91 .memplanes = 1,
92 .colplanes = 1,
93 .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8,
94 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
95 }, {
96 .name = "YUV 4:2:2 packed, CbYCrY",
97 .fourcc = V4L2_PIX_FMT_UYVY,
98 .depth = { 16 },
99 .color = FIMC_FMT_CBYCRY422,
100 .memplanes = 1,
101 .colplanes = 1,
102 .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8,
103 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
104 }, {
105 .name = "YUV 4:2:2 packed, CrYCbY",
106 .fourcc = V4L2_PIX_FMT_VYUY,
107 .depth = { 16 },
108 .color = FIMC_FMT_CRYCBY422,
109 .memplanes = 1,
110 .colplanes = 1,
111 .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8,
112 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
113 }, {
114 .name = "YUV 4:2:2 packed, YCrYCb",
115 .fourcc = V4L2_PIX_FMT_YVYU,
116 .depth = { 16 },
117 .color = FIMC_FMT_YCRYCB422,
118 .memplanes = 1,
119 .colplanes = 1,
120 .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8,
121 .flags = FMT_FLAGS_M2M | FMT_FLAGS_CAM,
122 }, {
123 .name = "YUV 4:2:2 planar, Y/Cb/Cr",
124 .fourcc = V4L2_PIX_FMT_YUV422P,
125 .depth = { 12 },
126 .color = FIMC_FMT_YCBYCR422,
127 .memplanes = 1,
128 .colplanes = 3,
129 .flags = FMT_FLAGS_M2M,
130 }, {
131 .name = "YUV 4:2:2 planar, Y/CbCr",
132 .fourcc = V4L2_PIX_FMT_NV16,
133 .depth = { 16 },
134 .color = FIMC_FMT_YCBYCR422,
135 .memplanes = 1,
136 .colplanes = 2,
137 .flags = FMT_FLAGS_M2M,
138 }, {
139 .name = "YUV 4:2:2 planar, Y/CrCb",
140 .fourcc = V4L2_PIX_FMT_NV61,
141 .depth = { 16 },
142 .color = FIMC_FMT_YCRYCB422,
143 .memplanes = 1,
144 .colplanes = 2,
145 .flags = FMT_FLAGS_M2M,
146 }, {
147 .name = "YUV 4:2:0 planar, YCbCr",
148 .fourcc = V4L2_PIX_FMT_YUV420,
149 .depth = { 12 },
150 .color = FIMC_FMT_YCBCR420,
151 .memplanes = 1,
152 .colplanes = 3,
153 .flags = FMT_FLAGS_M2M,
154 }, {
155 .name = "YUV 4:2:0 planar, Y/CbCr",
156 .fourcc = V4L2_PIX_FMT_NV12,
157 .depth = { 12 },
158 .color = FIMC_FMT_YCBCR420,
159 .memplanes = 1,
160 .colplanes = 2,
161 .flags = FMT_FLAGS_M2M,
162 }, {
163 .name = "YUV 4:2:0 non-contig. 2p, Y/CbCr",
164 .fourcc = V4L2_PIX_FMT_NV12M,
165 .color = FIMC_FMT_YCBCR420,
166 .depth = { 8, 4 },
167 .memplanes = 2,
168 .colplanes = 2,
169 .flags = FMT_FLAGS_M2M,
170 }, {
171 .name = "YUV 4:2:0 non-contig. 3p, Y/Cb/Cr",
172 .fourcc = V4L2_PIX_FMT_YUV420M,
173 .color = FIMC_FMT_YCBCR420,
174 .depth = { 8, 2, 2 },
175 .memplanes = 3,
176 .colplanes = 3,
177 .flags = FMT_FLAGS_M2M,
178 }, {
179 .name = "YUV 4:2:0 non-contig. 2p, tiled",
180 .fourcc = V4L2_PIX_FMT_NV12MT,
181 .color = FIMC_FMT_YCBCR420,
182 .depth = { 8, 4 },
183 .memplanes = 2,
184 .colplanes = 2,
185 .flags = FMT_FLAGS_M2M,
186 }, {
187 .name = "JPEG encoded data",
188 .fourcc = V4L2_PIX_FMT_JPEG,
189 .color = FIMC_FMT_JPEG,
190 .depth = { 8 },
191 .memplanes = 1,
192 .colplanes = 1,
193 .mbus_code = V4L2_MBUS_FMT_JPEG_1X8,
194 .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
195 }, {
196 .name = "S5C73MX interleaved UYVY/JPEG",
197 .fourcc = V4L2_PIX_FMT_S5C_UYVY_JPG,
198 .color = FIMC_FMT_YUYV_JPEG,
199 .depth = { 8 },
200 .memplanes = 2,
201 .colplanes = 1,
202 .mdataplanes = 0x2,
203 .mbus_code = V4L2_MBUS_FMT_S5C_UYVY_JPEG_1X8,
204 .flags = FMT_FLAGS_CAM | FMT_FLAGS_COMPRESSED,
205 },
206};
207
208struct fimc_fmt *fimc_get_format(unsigned int index)
209{
210 if (index >= ARRAY_SIZE(fimc_formats))
211 return NULL;
212
213 return &fimc_formats[index];
214}
215
216void __fimc_vidioc_querycap(struct device *dev, struct v4l2_capability *cap,
217 unsigned int caps)
218{
219 strlcpy(cap->driver, dev->driver->name, sizeof(cap->driver));
220 strlcpy(cap->card, dev->driver->name, sizeof(cap->card));
221 snprintf(cap->bus_info, sizeof(cap->bus_info),
222 "platform:%s", dev_name(dev));
223 cap->device_caps = caps;
224 cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS;
225}
226
227int fimc_check_scaler_ratio(struct fimc_ctx *ctx, int sw, int sh,
228 int dw, int dh, int rotation)
229{
230 if (rotation == 90 || rotation == 270)
231 swap(dw, dh);
232
233 if (!ctx->scaler.enabled)
234 return (sw == dw && sh == dh) ? 0 : -EINVAL;
235
236 if ((sw >= SCALER_MAX_HRATIO * dw) || (sh >= SCALER_MAX_VRATIO * dh))
237 return -EINVAL;
238
239 return 0;
240}
241
242static int fimc_get_scaler_factor(u32 src, u32 tar, u32 *ratio, u32 *shift)
243{
244 u32 sh = 6;
245
246 if (src >= 64 * tar)
247 return -EINVAL;
248
249 while (sh--) {
250 u32 tmp = 1 << sh;
251 if (src >= tar * tmp) {
252 *shift = sh, *ratio = tmp;
253 return 0;
254 }
255 }
256 *shift = 0, *ratio = 1;
257 return 0;
258}
259
260int fimc_set_scaler_info(struct fimc_ctx *ctx)
261{
262 const struct fimc_variant *variant = ctx->fimc_dev->variant;
263 struct device *dev = &ctx->fimc_dev->pdev->dev;
264 struct fimc_scaler *sc = &ctx->scaler;
265 struct fimc_frame *s_frame = &ctx->s_frame;
266 struct fimc_frame *d_frame = &ctx->d_frame;
267 int tx, ty, sx, sy;
268 int ret;
269
270 if (ctx->rotation == 90 || ctx->rotation == 270) {
271 ty = d_frame->width;
272 tx = d_frame->height;
273 } else {
274 tx = d_frame->width;
275 ty = d_frame->height;
276 }
277 if (tx <= 0 || ty <= 0) {
278 dev_err(dev, "Invalid target size: %dx%d\n", tx, ty);
279 return -EINVAL;
280 }
281
282 sx = s_frame->width;
283 sy = s_frame->height;
284 if (sx <= 0 || sy <= 0) {
285 dev_err(dev, "Invalid source size: %dx%d\n", sx, sy);
286 return -EINVAL;
287 }
288 sc->real_width = sx;
289 sc->real_height = sy;
290
291 ret = fimc_get_scaler_factor(sx, tx, &sc->pre_hratio, &sc->hfactor);
292 if (ret)
293 return ret;
294
295 ret = fimc_get_scaler_factor(sy, ty, &sc->pre_vratio, &sc->vfactor);
296 if (ret)
297 return ret;
298
299 sc->pre_dst_width = sx / sc->pre_hratio;
300 sc->pre_dst_height = sy / sc->pre_vratio;
301
302 if (variant->has_mainscaler_ext) {
303 sc->main_hratio = (sx << 14) / (tx << sc->hfactor);
304 sc->main_vratio = (sy << 14) / (ty << sc->vfactor);
305 } else {
306 sc->main_hratio = (sx << 8) / (tx << sc->hfactor);
307 sc->main_vratio = (sy << 8) / (ty << sc->vfactor);
308
309 }
310
311 sc->scaleup_h = (tx >= sx) ? 1 : 0;
312 sc->scaleup_v = (ty >= sy) ? 1 : 0;
313
314
315 if (s_frame->fmt->color == d_frame->fmt->color
316 && s_frame->width == d_frame->width
317 && s_frame->height == d_frame->height)
318 sc->copy_mode = 1;
319 else
320 sc->copy_mode = 0;
321
322 return 0;
323}
324
325static irqreturn_t fimc_irq_handler(int irq, void *priv)
326{
327 struct fimc_dev *fimc = priv;
328 struct fimc_ctx *ctx;
329
330 fimc_hw_clear_irq(fimc);
331
332 spin_lock(&fimc->slock);
333
334 if (test_and_clear_bit(ST_M2M_PEND, &fimc->state)) {
335 if (test_and_clear_bit(ST_M2M_SUSPENDING, &fimc->state)) {
336 set_bit(ST_M2M_SUSPENDED, &fimc->state);
337 wake_up(&fimc->irq_queue);
338 goto out;
339 }
340 ctx = v4l2_m2m_get_curr_priv(fimc->m2m.m2m_dev);
341 if (ctx != NULL) {
342 spin_unlock(&fimc->slock);
343 fimc_m2m_job_finish(ctx, VB2_BUF_STATE_DONE);
344
345 if (ctx->state & FIMC_CTX_SHUT) {
346 ctx->state &= ~FIMC_CTX_SHUT;
347 wake_up(&fimc->irq_queue);
348 }
349 return IRQ_HANDLED;
350 }
351 } else if (test_bit(ST_CAPT_PEND, &fimc->state)) {
352 int last_buf = test_bit(ST_CAPT_JPEG, &fimc->state) &&
353 fimc->vid_cap.reqbufs_count == 1;
354 fimc_capture_irq_handler(fimc, !last_buf);
355 }
356out:
357 spin_unlock(&fimc->slock);
358 return IRQ_HANDLED;
359}
360
361
362int fimc_prepare_addr(struct fimc_ctx *ctx, struct vb2_buffer *vb,
363 struct fimc_frame *frame, struct fimc_addr *paddr)
364{
365 int ret = 0;
366 u32 pix_size;
367
368 if (vb == NULL || frame == NULL)
369 return -EINVAL;
370
371 pix_size = frame->width * frame->height;
372
373 dbg("memplanes= %d, colplanes= %d, pix_size= %d",
374 frame->fmt->memplanes, frame->fmt->colplanes, pix_size);
375
376 paddr->y = vb2_dma_contig_plane_dma_addr(vb, 0);
377
378 if (frame->fmt->memplanes == 1) {
379 switch (frame->fmt->colplanes) {
380 case 1:
381 paddr->cb = 0;
382 paddr->cr = 0;
383 break;
384 case 2:
385
386 paddr->cb = (u32)(paddr->y + pix_size);
387 paddr->cr = 0;
388 break;
389 case 3:
390 paddr->cb = (u32)(paddr->y + pix_size);
391
392 if (FIMC_FMT_YCBCR420 == frame->fmt->color)
393 paddr->cr = (u32)(paddr->cb
394 + (pix_size >> 2));
395 else
396 paddr->cr = (u32)(paddr->cb
397 + (pix_size >> 1));
398 break;
399 default:
400 return -EINVAL;
401 }
402 } else if (!frame->fmt->mdataplanes) {
403 if (frame->fmt->memplanes >= 2)
404 paddr->cb = vb2_dma_contig_plane_dma_addr(vb, 1);
405
406 if (frame->fmt->memplanes == 3)
407 paddr->cr = vb2_dma_contig_plane_dma_addr(vb, 2);
408 }
409
410 dbg("PHYS_ADDR: y= 0x%X cb= 0x%X cr= 0x%X ret= %d",
411 paddr->y, paddr->cb, paddr->cr, ret);
412
413 return ret;
414}
415
416
417void fimc_set_yuv_order(struct fimc_ctx *ctx)
418{
419
420 ctx->in_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
421 ctx->out_order_2p = FIMC_REG_CIOCTRL_ORDER422_2P_LSB_CRCB;
422
423
424 switch (ctx->s_frame.fmt->color) {
425 case FIMC_FMT_YCRYCB422:
426 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCRYCB;
427 break;
428 case FIMC_FMT_CBYCRY422:
429 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CBYCRY;
430 break;
431 case FIMC_FMT_CRYCBY422:
432 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_CRYCBY;
433 break;
434 case FIMC_FMT_YCBYCR422:
435 default:
436 ctx->in_order_1p = FIMC_REG_MSCTRL_ORDER422_YCBYCR;
437 break;
438 }
439 dbg("ctx->in_order_1p= %d", ctx->in_order_1p);
440
441 switch (ctx->d_frame.fmt->color) {
442 case FIMC_FMT_YCRYCB422:
443 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCRYCB;
444 break;
445 case FIMC_FMT_CBYCRY422:
446 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CBYCRY;
447 break;
448 case FIMC_FMT_CRYCBY422:
449 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_CRYCBY;
450 break;
451 case FIMC_FMT_YCBYCR422:
452 default:
453 ctx->out_order_1p = FIMC_REG_CIOCTRL_ORDER422_YCBYCR;
454 break;
455 }
456 dbg("ctx->out_order_1p= %d", ctx->out_order_1p);
457}
458
459void fimc_prepare_dma_offset(struct fimc_ctx *ctx, struct fimc_frame *f)
460{
461 bool pix_hoff = ctx->fimc_dev->drv_data->dma_pix_hoff;
462 u32 i, depth = 0;
463
464 for (i = 0; i < f->fmt->colplanes; i++)
465 depth += f->fmt->depth[i];
466
467 f->dma_offset.y_h = f->offs_h;
468 if (!pix_hoff)
469 f->dma_offset.y_h *= (depth >> 3);
470
471 f->dma_offset.y_v = f->offs_v;
472
473 f->dma_offset.cb_h = f->offs_h;
474 f->dma_offset.cb_v = f->offs_v;
475
476 f->dma_offset.cr_h = f->offs_h;
477 f->dma_offset.cr_v = f->offs_v;
478
479 if (!pix_hoff) {
480 if (f->fmt->colplanes == 3) {
481 f->dma_offset.cb_h >>= 1;
482 f->dma_offset.cr_h >>= 1;
483 }
484 if (f->fmt->color == FIMC_FMT_YCBCR420) {
485 f->dma_offset.cb_v >>= 1;
486 f->dma_offset.cr_v >>= 1;
487 }
488 }
489
490 dbg("in_offset: color= %d, y_h= %d, y_v= %d",
491 f->fmt->color, f->dma_offset.y_h, f->dma_offset.y_v);
492}
493
494static int fimc_set_color_effect(struct fimc_ctx *ctx, enum v4l2_colorfx colorfx)
495{
496 struct fimc_effect *effect = &ctx->effect;
497
498 switch (colorfx) {
499 case V4L2_COLORFX_NONE:
500 effect->type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
501 break;
502 case V4L2_COLORFX_BW:
503 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
504 effect->pat_cb = 128;
505 effect->pat_cr = 128;
506 break;
507 case V4L2_COLORFX_SEPIA:
508 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
509 effect->pat_cb = 115;
510 effect->pat_cr = 145;
511 break;
512 case V4L2_COLORFX_NEGATIVE:
513 effect->type = FIMC_REG_CIIMGEFF_FIN_NEGATIVE;
514 break;
515 case V4L2_COLORFX_EMBOSS:
516 effect->type = FIMC_REG_CIIMGEFF_FIN_EMBOSSING;
517 break;
518 case V4L2_COLORFX_ART_FREEZE:
519 effect->type = FIMC_REG_CIIMGEFF_FIN_ARTFREEZE;
520 break;
521 case V4L2_COLORFX_SILHOUETTE:
522 effect->type = FIMC_REG_CIIMGEFF_FIN_SILHOUETTE;
523 break;
524 case V4L2_COLORFX_SET_CBCR:
525 effect->type = FIMC_REG_CIIMGEFF_FIN_ARBITRARY;
526 effect->pat_cb = ctx->ctrls.colorfx_cbcr->val >> 8;
527 effect->pat_cr = ctx->ctrls.colorfx_cbcr->val & 0xff;
528 break;
529 default:
530 return -EINVAL;
531 }
532
533 return 0;
534}
535
536
537
538
539#define ctrl_to_ctx(__ctrl) \
540 container_of((__ctrl)->handler, struct fimc_ctx, ctrls.handler)
541
542static int __fimc_s_ctrl(struct fimc_ctx *ctx, struct v4l2_ctrl *ctrl)
543{
544 struct fimc_dev *fimc = ctx->fimc_dev;
545 const struct fimc_variant *variant = fimc->variant;
546 int ret = 0;
547
548 if (ctrl->flags & V4L2_CTRL_FLAG_INACTIVE)
549 return 0;
550
551 switch (ctrl->id) {
552 case V4L2_CID_HFLIP:
553 ctx->hflip = ctrl->val;
554 break;
555
556 case V4L2_CID_VFLIP:
557 ctx->vflip = ctrl->val;
558 break;
559
560 case V4L2_CID_ROTATE:
561 if (fimc_capture_pending(fimc)) {
562 ret = fimc_check_scaler_ratio(ctx, ctx->s_frame.width,
563 ctx->s_frame.height, ctx->d_frame.width,
564 ctx->d_frame.height, ctrl->val);
565 if (ret)
566 return -EINVAL;
567 }
568 if ((ctrl->val == 90 || ctrl->val == 270) &&
569 !variant->has_out_rot)
570 return -EINVAL;
571
572 ctx->rotation = ctrl->val;
573 break;
574
575 case V4L2_CID_ALPHA_COMPONENT:
576 ctx->d_frame.alpha = ctrl->val;
577 break;
578
579 case V4L2_CID_COLORFX:
580 ret = fimc_set_color_effect(ctx, ctrl->val);
581 if (ret)
582 return ret;
583 break;
584 }
585
586 ctx->state |= FIMC_PARAMS;
587 set_bit(ST_CAPT_APPLY_CFG, &fimc->state);
588 return 0;
589}
590
591static int fimc_s_ctrl(struct v4l2_ctrl *ctrl)
592{
593 struct fimc_ctx *ctx = ctrl_to_ctx(ctrl);
594 unsigned long flags;
595 int ret;
596
597 spin_lock_irqsave(&ctx->fimc_dev->slock, flags);
598 ret = __fimc_s_ctrl(ctx, ctrl);
599 spin_unlock_irqrestore(&ctx->fimc_dev->slock, flags);
600
601 return ret;
602}
603
604static const struct v4l2_ctrl_ops fimc_ctrl_ops = {
605 .s_ctrl = fimc_s_ctrl,
606};
607
608int fimc_ctrls_create(struct fimc_ctx *ctx)
609{
610 unsigned int max_alpha = fimc_get_alpha_mask(ctx->d_frame.fmt);
611 struct fimc_ctrls *ctrls = &ctx->ctrls;
612 struct v4l2_ctrl_handler *handler = &ctrls->handler;
613
614 if (ctx->ctrls.ready)
615 return 0;
616
617 v4l2_ctrl_handler_init(handler, 6);
618
619 ctrls->rotate = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
620 V4L2_CID_ROTATE, 0, 270, 90, 0);
621 ctrls->hflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
622 V4L2_CID_HFLIP, 0, 1, 1, 0);
623 ctrls->vflip = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
624 V4L2_CID_VFLIP, 0, 1, 1, 0);
625
626 if (ctx->fimc_dev->drv_data->alpha_color)
627 ctrls->alpha = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
628 V4L2_CID_ALPHA_COMPONENT,
629 0, max_alpha, 1, 0);
630 else
631 ctrls->alpha = NULL;
632
633 ctrls->colorfx = v4l2_ctrl_new_std_menu(handler, &fimc_ctrl_ops,
634 V4L2_CID_COLORFX, V4L2_COLORFX_SET_CBCR,
635 ~0x983f, V4L2_COLORFX_NONE);
636
637 ctrls->colorfx_cbcr = v4l2_ctrl_new_std(handler, &fimc_ctrl_ops,
638 V4L2_CID_COLORFX_CBCR, 0, 0xffff, 1, 0);
639
640 ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
641
642 if (!handler->error) {
643 v4l2_ctrl_cluster(2, &ctrls->colorfx);
644 ctrls->ready = true;
645 }
646
647 return handler->error;
648}
649
650void fimc_ctrls_delete(struct fimc_ctx *ctx)
651{
652 struct fimc_ctrls *ctrls = &ctx->ctrls;
653
654 if (ctrls->ready) {
655 v4l2_ctrl_handler_free(&ctrls->handler);
656 ctrls->ready = false;
657 ctrls->alpha = NULL;
658 }
659}
660
661void fimc_ctrls_activate(struct fimc_ctx *ctx, bool active)
662{
663 unsigned int has_alpha = ctx->d_frame.fmt->flags & FMT_HAS_ALPHA;
664 struct fimc_ctrls *ctrls = &ctx->ctrls;
665
666 if (!ctrls->ready)
667 return;
668
669 mutex_lock(ctrls->handler.lock);
670 v4l2_ctrl_activate(ctrls->rotate, active);
671 v4l2_ctrl_activate(ctrls->hflip, active);
672 v4l2_ctrl_activate(ctrls->vflip, active);
673 v4l2_ctrl_activate(ctrls->colorfx, active);
674 if (ctrls->alpha)
675 v4l2_ctrl_activate(ctrls->alpha, active && has_alpha);
676
677 if (active) {
678 fimc_set_color_effect(ctx, ctrls->colorfx->cur.val);
679 ctx->rotation = ctrls->rotate->val;
680 ctx->hflip = ctrls->hflip->val;
681 ctx->vflip = ctrls->vflip->val;
682 } else {
683 ctx->effect.type = FIMC_REG_CIIMGEFF_FIN_BYPASS;
684 ctx->rotation = 0;
685 ctx->hflip = 0;
686 ctx->vflip = 0;
687 }
688 mutex_unlock(ctrls->handler.lock);
689}
690
691
692void fimc_alpha_ctrl_update(struct fimc_ctx *ctx)
693{
694 struct fimc_dev *fimc = ctx->fimc_dev;
695 struct v4l2_ctrl *ctrl = ctx->ctrls.alpha;
696
697 if (ctrl == NULL || !fimc->drv_data->alpha_color)
698 return;
699
700 v4l2_ctrl_lock(ctrl);
701 ctrl->maximum = fimc_get_alpha_mask(ctx->d_frame.fmt);
702
703 if (ctrl->cur.val > ctrl->maximum)
704 ctrl->cur.val = ctrl->maximum;
705
706 v4l2_ctrl_unlock(ctrl);
707}
708
709void __fimc_get_format(struct fimc_frame *frame, struct v4l2_format *f)
710{
711 struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp;
712 int i;
713
714 pixm->width = frame->o_width;
715 pixm->height = frame->o_height;
716 pixm->field = V4L2_FIELD_NONE;
717 pixm->pixelformat = frame->fmt->fourcc;
718 pixm->colorspace = V4L2_COLORSPACE_JPEG;
719 pixm->num_planes = frame->fmt->memplanes;
720
721 for (i = 0; i < pixm->num_planes; ++i) {
722 pixm->plane_fmt[i].bytesperline = frame->bytesperline[i];
723 pixm->plane_fmt[i].sizeimage = frame->payload[i];
724 }
725}
726
727
728
729
730
731
732
733
734void fimc_adjust_mplane_format(struct fimc_fmt *fmt, u32 width, u32 height,
735 struct v4l2_pix_format_mplane *pix)
736{
737 u32 bytesperline = 0;
738 int i;
739
740 pix->colorspace = V4L2_COLORSPACE_JPEG;
741 pix->field = V4L2_FIELD_NONE;
742 pix->num_planes = fmt->memplanes;
743 pix->pixelformat = fmt->fourcc;
744 pix->height = height;
745 pix->width = width;
746
747 for (i = 0; i < pix->num_planes; ++i) {
748 struct v4l2_plane_pix_format *plane_fmt = &pix->plane_fmt[i];
749 u32 bpl = plane_fmt->bytesperline;
750
751 if (fmt->colplanes > 1 && (bpl == 0 || bpl < pix->width))
752 bpl = pix->width;
753
754 if (fmt->colplanes == 1 &&
755 (bpl == 0 || ((bpl * 8) / fmt->depth[i]) < pix->width))
756 bpl = (pix->width * fmt->depth[0]) / 8;
757
758
759
760
761
762
763 if (i == 0)
764 bytesperline = bpl;
765 else if (i == 1 && fmt->memplanes == 3)
766 bytesperline /= 2;
767
768 plane_fmt->bytesperline = bytesperline;
769 plane_fmt->sizeimage = max((pix->width * pix->height *
770 fmt->depth[i]) / 8, plane_fmt->sizeimage);
771 }
772}
773
774
775
776
777
778
779
780
781struct fimc_fmt *fimc_find_format(const u32 *pixelformat, const u32 *mbus_code,
782 unsigned int mask, int index)
783{
784 struct fimc_fmt *fmt, *def_fmt = NULL;
785 unsigned int i;
786 int id = 0;
787
788 if (index >= (int)ARRAY_SIZE(fimc_formats))
789 return NULL;
790
791 for (i = 0; i < ARRAY_SIZE(fimc_formats); ++i) {
792 fmt = &fimc_formats[i];
793 if (!(fmt->flags & mask))
794 continue;
795 if (pixelformat && fmt->fourcc == *pixelformat)
796 return fmt;
797 if (mbus_code && fmt->mbus_code == *mbus_code)
798 return fmt;
799 if (index == id)
800 def_fmt = fmt;
801 id++;
802 }
803 return def_fmt;
804}
805
806static void fimc_clk_put(struct fimc_dev *fimc)
807{
808 int i;
809 for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
810 if (IS_ERR(fimc->clock[i]))
811 continue;
812 clk_unprepare(fimc->clock[i]);
813 clk_put(fimc->clock[i]);
814 fimc->clock[i] = ERR_PTR(-EINVAL);
815 }
816}
817
818static int fimc_clk_get(struct fimc_dev *fimc)
819{
820 int i, ret;
821
822 for (i = 0; i < MAX_FIMC_CLOCKS; i++)
823 fimc->clock[i] = ERR_PTR(-EINVAL);
824
825 for (i = 0; i < MAX_FIMC_CLOCKS; i++) {
826 fimc->clock[i] = clk_get(&fimc->pdev->dev, fimc_clocks[i]);
827 if (IS_ERR(fimc->clock[i])) {
828 ret = PTR_ERR(fimc->clock[i]);
829 goto err;
830 }
831 ret = clk_prepare(fimc->clock[i]);
832 if (ret < 0) {
833 clk_put(fimc->clock[i]);
834 fimc->clock[i] = ERR_PTR(-EINVAL);
835 goto err;
836 }
837 }
838 return 0;
839err:
840 fimc_clk_put(fimc);
841 dev_err(&fimc->pdev->dev, "failed to get clock: %s\n",
842 fimc_clocks[i]);
843 return -ENXIO;
844}
845
846static int fimc_m2m_suspend(struct fimc_dev *fimc)
847{
848 unsigned long flags;
849 int timeout;
850
851 spin_lock_irqsave(&fimc->slock, flags);
852 if (!fimc_m2m_pending(fimc)) {
853 spin_unlock_irqrestore(&fimc->slock, flags);
854 return 0;
855 }
856 clear_bit(ST_M2M_SUSPENDED, &fimc->state);
857 set_bit(ST_M2M_SUSPENDING, &fimc->state);
858 spin_unlock_irqrestore(&fimc->slock, flags);
859
860 timeout = wait_event_timeout(fimc->irq_queue,
861 test_bit(ST_M2M_SUSPENDED, &fimc->state),
862 FIMC_SHUTDOWN_TIMEOUT);
863
864 clear_bit(ST_M2M_SUSPENDING, &fimc->state);
865 return timeout == 0 ? -EAGAIN : 0;
866}
867
868static int fimc_m2m_resume(struct fimc_dev *fimc)
869{
870 struct fimc_ctx *ctx;
871 unsigned long flags;
872
873 spin_lock_irqsave(&fimc->slock, flags);
874
875 ctx = fimc->m2m.ctx;
876 fimc->m2m.ctx = NULL;
877 spin_unlock_irqrestore(&fimc->slock, flags);
878
879 if (test_and_clear_bit(ST_M2M_SUSPENDED, &fimc->state))
880 fimc_m2m_job_finish(ctx, VB2_BUF_STATE_ERROR);
881
882 return 0;
883}
884
885static const struct of_device_id fimc_of_match[];
886
887static int fimc_parse_dt(struct fimc_dev *fimc, u32 *clk_freq)
888{
889 struct device *dev = &fimc->pdev->dev;
890 struct device_node *node = dev->of_node;
891 const struct of_device_id *of_id;
892 struct fimc_variant *v;
893 struct fimc_pix_limit *lim;
894 u32 args[FIMC_PIX_LIMITS_MAX];
895 int ret;
896
897 if (of_property_read_bool(node, "samsung,lcd-wb"))
898 return -ENODEV;
899
900 v = devm_kzalloc(dev, sizeof(*v) + sizeof(*lim), GFP_KERNEL);
901 if (!v)
902 return -ENOMEM;
903
904 of_id = of_match_node(fimc_of_match, node);
905 if (!of_id)
906 return -EINVAL;
907 fimc->drv_data = of_id->data;
908 ret = of_property_read_u32_array(node, "samsung,pix-limits",
909 args, FIMC_PIX_LIMITS_MAX);
910 if (ret < 0)
911 return ret;
912
913 lim = (struct fimc_pix_limit *)&v[1];
914
915 lim->scaler_en_w = args[0];
916 lim->scaler_dis_w = args[1];
917 lim->out_rot_en_w = args[2];
918 lim->out_rot_dis_w = args[3];
919 v->pix_limit = lim;
920
921 ret = of_property_read_u32_array(node, "samsung,min-pix-sizes",
922 args, 2);
923 v->min_inp_pixsize = ret ? FIMC_DEF_MIN_SIZE : args[0];
924 v->min_out_pixsize = ret ? FIMC_DEF_MIN_SIZE : args[1];
925 ret = of_property_read_u32_array(node, "samsung,min-pix-alignment",
926 args, 2);
927 v->min_vsize_align = ret ? FIMC_DEF_HEIGHT_ALIGN : args[0];
928 v->hor_offs_align = ret ? FIMC_DEF_HOR_OFFS_ALIGN : args[1];
929
930 ret = of_property_read_u32(node, "samsung,rotators", &args[1]);
931 v->has_inp_rot = ret ? 1 : args[1] & 0x01;
932 v->has_out_rot = ret ? 1 : args[1] & 0x10;
933 v->has_mainscaler_ext = of_property_read_bool(node,
934 "samsung,mainscaler-ext");
935
936 v->has_isp_wb = of_property_read_bool(node, "samsung,isp-wb");
937 v->has_cam_if = of_property_read_bool(node, "samsung,cam-if");
938 of_property_read_u32(node, "clock-frequency", clk_freq);
939 fimc->id = of_alias_get_id(node, "fimc");
940
941 fimc->variant = v;
942 return 0;
943}
944
945static int fimc_probe(struct platform_device *pdev)
946{
947 struct device *dev = &pdev->dev;
948 u32 lclk_freq = 0;
949 struct fimc_dev *fimc;
950 struct resource *res;
951 int ret = 0;
952
953 fimc = devm_kzalloc(dev, sizeof(*fimc), GFP_KERNEL);
954 if (!fimc)
955 return -ENOMEM;
956
957 fimc->pdev = pdev;
958
959 if (dev->of_node) {
960 ret = fimc_parse_dt(fimc, &lclk_freq);
961 if (ret < 0)
962 return ret;
963 } else {
964 fimc->drv_data = fimc_get_drvdata(pdev);
965 fimc->id = pdev->id;
966 }
967 if (!fimc->drv_data || fimc->id >= fimc->drv_data->num_entities ||
968 fimc->id < 0) {
969 dev_err(dev, "Invalid driver data or device id (%d)\n",
970 fimc->id);
971 return -EINVAL;
972 }
973 if (!dev->of_node)
974 fimc->variant = fimc->drv_data->variant[fimc->id];
975
976 init_waitqueue_head(&fimc->irq_queue);
977 spin_lock_init(&fimc->slock);
978 mutex_init(&fimc->lock);
979
980 fimc->sysreg = fimc_get_sysreg_regmap(dev->of_node);
981 if (IS_ERR(fimc->sysreg))
982 return PTR_ERR(fimc->sysreg);
983
984 res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
985 fimc->regs = devm_ioremap_resource(dev, res);
986 if (IS_ERR(fimc->regs))
987 return PTR_ERR(fimc->regs);
988
989 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
990 if (res == NULL) {
991 dev_err(dev, "Failed to get IRQ resource\n");
992 return -ENXIO;
993 }
994
995 ret = fimc_clk_get(fimc);
996 if (ret)
997 return ret;
998
999 if (lclk_freq == 0)
1000 lclk_freq = fimc->drv_data->lclk_frequency;
1001
1002 ret = clk_set_rate(fimc->clock[CLK_BUS], lclk_freq);
1003 if (ret < 0)
1004 return ret;
1005
1006 ret = clk_enable(fimc->clock[CLK_BUS]);
1007 if (ret < 0)
1008 return ret;
1009
1010 ret = devm_request_irq(dev, res->start, fimc_irq_handler,
1011 0, dev_name(dev), fimc);
1012 if (ret) {
1013 dev_err(dev, "failed to install irq (%d)\n", ret);
1014 goto err_clk;
1015 }
1016
1017 ret = fimc_initialize_capture_subdev(fimc);
1018 if (ret)
1019 goto err_clk;
1020
1021 platform_set_drvdata(pdev, fimc);
1022 pm_runtime_enable(dev);
1023 ret = pm_runtime_get_sync(dev);
1024 if (ret < 0)
1025 goto err_sd;
1026
1027 fimc->alloc_ctx = vb2_dma_contig_init_ctx(dev);
1028 if (IS_ERR(fimc->alloc_ctx)) {
1029 ret = PTR_ERR(fimc->alloc_ctx);
1030 goto err_pm;
1031 }
1032
1033 dev_dbg(dev, "FIMC.%d registered successfully\n", fimc->id);
1034
1035 pm_runtime_put(dev);
1036 return 0;
1037err_pm:
1038 pm_runtime_put(dev);
1039err_sd:
1040 fimc_unregister_capture_subdev(fimc);
1041err_clk:
1042 clk_disable(fimc->clock[CLK_BUS]);
1043 fimc_clk_put(fimc);
1044 return ret;
1045}
1046
1047static int fimc_runtime_resume(struct device *dev)
1048{
1049 struct fimc_dev *fimc = dev_get_drvdata(dev);
1050
1051 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1052
1053
1054 clk_enable(fimc->clock[CLK_GATE]);
1055 fimc_hw_reset(fimc);
1056
1057
1058 if (fimc_capture_busy(fimc))
1059 return fimc_capture_resume(fimc);
1060
1061 return fimc_m2m_resume(fimc);
1062}
1063
1064static int fimc_runtime_suspend(struct device *dev)
1065{
1066 struct fimc_dev *fimc = dev_get_drvdata(dev);
1067 int ret = 0;
1068
1069 if (fimc_capture_busy(fimc))
1070 ret = fimc_capture_suspend(fimc);
1071 else
1072 ret = fimc_m2m_suspend(fimc);
1073 if (!ret)
1074 clk_disable(fimc->clock[CLK_GATE]);
1075
1076 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1077 return ret;
1078}
1079
1080#ifdef CONFIG_PM_SLEEP
1081static int fimc_resume(struct device *dev)
1082{
1083 struct fimc_dev *fimc = dev_get_drvdata(dev);
1084 unsigned long flags;
1085
1086 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1087
1088
1089 spin_lock_irqsave(&fimc->slock, flags);
1090 if (!test_and_clear_bit(ST_LPM, &fimc->state) ||
1091 (!fimc_m2m_active(fimc) && !fimc_capture_busy(fimc))) {
1092 spin_unlock_irqrestore(&fimc->slock, flags);
1093 return 0;
1094 }
1095 fimc_hw_reset(fimc);
1096 spin_unlock_irqrestore(&fimc->slock, flags);
1097
1098 if (fimc_capture_busy(fimc))
1099 return fimc_capture_resume(fimc);
1100
1101 return fimc_m2m_resume(fimc);
1102}
1103
1104static int fimc_suspend(struct device *dev)
1105{
1106 struct fimc_dev *fimc = dev_get_drvdata(dev);
1107
1108 dbg("fimc%d: state: 0x%lx", fimc->id, fimc->state);
1109
1110 if (test_and_set_bit(ST_LPM, &fimc->state))
1111 return 0;
1112 if (fimc_capture_busy(fimc))
1113 return fimc_capture_suspend(fimc);
1114
1115 return fimc_m2m_suspend(fimc);
1116}
1117#endif
1118
1119static int fimc_remove(struct platform_device *pdev)
1120{
1121 struct fimc_dev *fimc = platform_get_drvdata(pdev);
1122
1123 pm_runtime_disable(&pdev->dev);
1124 pm_runtime_set_suspended(&pdev->dev);
1125
1126 fimc_unregister_capture_subdev(fimc);
1127 vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx);
1128
1129 clk_disable(fimc->clock[CLK_BUS]);
1130 fimc_clk_put(fimc);
1131
1132 dev_info(&pdev->dev, "driver unloaded\n");
1133 return 0;
1134}
1135
1136
1137static const struct fimc_pix_limit s5p_pix_limit[4] = {
1138 [0] = {
1139 .scaler_en_w = 3264,
1140 .scaler_dis_w = 8192,
1141 .out_rot_en_w = 1920,
1142 .out_rot_dis_w = 4224,
1143 },
1144 [1] = {
1145 .scaler_en_w = 4224,
1146 .scaler_dis_w = 8192,
1147 .out_rot_en_w = 1920,
1148 .out_rot_dis_w = 4224,
1149 },
1150 [2] = {
1151 .scaler_en_w = 1920,
1152 .scaler_dis_w = 8192,
1153 .out_rot_en_w = 1280,
1154 .out_rot_dis_w = 1920,
1155 },
1156};
1157
1158static const struct fimc_variant fimc0_variant_s5p = {
1159 .has_inp_rot = 1,
1160 .has_out_rot = 1,
1161 .has_cam_if = 1,
1162 .min_inp_pixsize = 16,
1163 .min_out_pixsize = 16,
1164 .hor_offs_align = 8,
1165 .min_vsize_align = 16,
1166 .pix_limit = &s5p_pix_limit[0],
1167};
1168
1169static const struct fimc_variant fimc2_variant_s5p = {
1170 .has_cam_if = 1,
1171 .min_inp_pixsize = 16,
1172 .min_out_pixsize = 16,
1173 .hor_offs_align = 8,
1174 .min_vsize_align = 16,
1175 .pix_limit = &s5p_pix_limit[1],
1176};
1177
1178static const struct fimc_variant fimc0_variant_s5pv210 = {
1179 .has_inp_rot = 1,
1180 .has_out_rot = 1,
1181 .has_cam_if = 1,
1182 .min_inp_pixsize = 16,
1183 .min_out_pixsize = 16,
1184 .hor_offs_align = 8,
1185 .min_vsize_align = 16,
1186 .pix_limit = &s5p_pix_limit[1],
1187};
1188
1189static const struct fimc_variant fimc1_variant_s5pv210 = {
1190 .has_inp_rot = 1,
1191 .has_out_rot = 1,
1192 .has_cam_if = 1,
1193 .has_mainscaler_ext = 1,
1194 .min_inp_pixsize = 16,
1195 .min_out_pixsize = 16,
1196 .hor_offs_align = 1,
1197 .min_vsize_align = 1,
1198 .pix_limit = &s5p_pix_limit[2],
1199};
1200
1201static const struct fimc_variant fimc2_variant_s5pv210 = {
1202 .has_cam_if = 1,
1203 .min_inp_pixsize = 16,
1204 .min_out_pixsize = 16,
1205 .hor_offs_align = 8,
1206 .min_vsize_align = 16,
1207 .pix_limit = &s5p_pix_limit[2],
1208};
1209
1210
1211static const struct fimc_drvdata fimc_drvdata_s5p = {
1212 .variant = {
1213 [0] = &fimc0_variant_s5p,
1214 [1] = &fimc0_variant_s5p,
1215 [2] = &fimc2_variant_s5p,
1216 },
1217 .num_entities = 3,
1218 .lclk_frequency = 133000000UL,
1219 .out_buf_count = 4,
1220};
1221
1222
1223static const struct fimc_drvdata fimc_drvdata_s5pv210 = {
1224 .variant = {
1225 [0] = &fimc0_variant_s5pv210,
1226 [1] = &fimc1_variant_s5pv210,
1227 [2] = &fimc2_variant_s5pv210,
1228 },
1229 .num_entities = 3,
1230 .lclk_frequency = 166000000UL,
1231 .out_buf_count = 4,
1232 .dma_pix_hoff = 1,
1233};
1234
1235
1236static const struct fimc_drvdata fimc_drvdata_exynos4210 = {
1237 .num_entities = 4,
1238 .lclk_frequency = 166000000UL,
1239 .dma_pix_hoff = 1,
1240 .cistatus2 = 1,
1241 .alpha_color = 1,
1242 .out_buf_count = 32,
1243};
1244
1245
1246static const struct fimc_drvdata fimc_drvdata_exynos4x12 = {
1247 .num_entities = 4,
1248 .lclk_frequency = 166000000UL,
1249 .dma_pix_hoff = 1,
1250 .cistatus2 = 1,
1251 .alpha_color = 1,
1252 .out_buf_count = 32,
1253};
1254
1255static const struct platform_device_id fimc_driver_ids[] = {
1256 {
1257 .name = "s5p-fimc",
1258 .driver_data = (unsigned long)&fimc_drvdata_s5p,
1259 }, {
1260 .name = "s5pv210-fimc",
1261 .driver_data = (unsigned long)&fimc_drvdata_s5pv210,
1262 }, {
1263 .name = "exynos4-fimc",
1264 .driver_data = (unsigned long)&fimc_drvdata_exynos4210,
1265 }, {
1266 .name = "exynos4x12-fimc",
1267 .driver_data = (unsigned long)&fimc_drvdata_exynos4x12,
1268 },
1269 { },
1270};
1271
1272static const struct of_device_id fimc_of_match[] = {
1273 {
1274 .compatible = "samsung,s5pv210-fimc",
1275 .data = &fimc_drvdata_s5pv210,
1276 }, {
1277 .compatible = "samsung,exynos4210-fimc",
1278 .data = &fimc_drvdata_exynos4210,
1279 }, {
1280 .compatible = "samsung,exynos4212-fimc",
1281 .data = &fimc_drvdata_exynos4x12,
1282 },
1283 { },
1284};
1285
1286static const struct dev_pm_ops fimc_pm_ops = {
1287 SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
1288 SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
1289};
1290
1291static struct platform_driver fimc_driver = {
1292 .probe = fimc_probe,
1293 .remove = fimc_remove,
1294 .id_table = fimc_driver_ids,
1295 .driver = {
1296 .of_match_table = fimc_of_match,
1297 .name = FIMC_DRIVER_NAME,
1298 .owner = THIS_MODULE,
1299 .pm = &fimc_pm_ops,
1300 }
1301};
1302
1303int __init fimc_register_driver(void)
1304{
1305 return platform_driver_register(&fimc_driver);
1306}
1307
1308void __exit fimc_unregister_driver(void)
1309{
1310 platform_driver_unregister(&fimc_driver);
1311}
1312
