1 | // SPDX-License-Identifier: GPL-2.0-only |
2 | /* |
3 | * s3c24xx/s3c64xx SoC series Camera Interface (CAMIF) driver |
4 | * |
5 | * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com> |
6 | * Copyright (C) 2012 Tomasz Figa <tomasz.figa@gmail.com> |
7 | * |
8 | * Based on drivers/media/platform/s5p-fimc, |
9 | * Copyright (C) 2010 - 2012 Samsung Electronics Co., Ltd. |
10 | */ |
11 | #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ |
12 | |
13 | #include <linux/bug.h> |
14 | #include <linux/clk.h> |
15 | #include <linux/device.h> |
16 | #include <linux/errno.h> |
17 | #include <linux/i2c.h> |
18 | #include <linux/interrupt.h> |
19 | #include <linux/io.h> |
20 | #include <linux/kernel.h> |
21 | #include <linux/list.h> |
22 | #include <linux/module.h> |
23 | #include <linux/platform_device.h> |
24 | #include <linux/pm_runtime.h> |
25 | #include <linux/ratelimit.h> |
26 | #include <linux/slab.h> |
27 | #include <linux/types.h> |
28 | #include <linux/videodev2.h> |
29 | |
30 | #include <media/media-device.h> |
31 | #include <media/v4l2-ctrls.h> |
32 | #include <media/v4l2-event.h> |
33 | #include <media/v4l2-ioctl.h> |
34 | #include <media/videobuf2-v4l2.h> |
35 | #include <media/videobuf2-dma-contig.h> |
36 | |
37 | #include "camif-core.h" |
38 | #include "camif-regs.h" |
39 | |
40 | static int debug; |
41 | module_param(debug, int, 0644); |
42 | |
43 | /* Locking: called with vp->camif->slock spinlock held */ |
44 | static void camif_cfg_video_path(struct camif_vp *vp) |
45 | { |
46 | WARN_ON(s3c_camif_get_scaler_config(vp, &vp->scaler)); |
47 | camif_hw_set_scaler(vp); |
48 | camif_hw_set_flip(vp); |
49 | camif_hw_set_target_format(vp); |
50 | camif_hw_set_output_dma(vp); |
51 | } |
52 | |
53 | static void camif_prepare_dma_offset(struct camif_vp *vp) |
54 | { |
55 | struct camif_frame *f = &vp->out_frame; |
56 | |
57 | f->dma_offset.initial = f->rect.top * f->f_width + f->rect.left; |
58 | f->dma_offset.line = f->f_width - (f->rect.left + f->rect.width); |
59 | |
60 | pr_debug("dma_offset: initial: %d, line: %d\n" , |
61 | f->dma_offset.initial, f->dma_offset.line); |
62 | } |
63 | |
64 | /* Locking: called with camif->slock spinlock held */ |
65 | static int s3c_camif_hw_init(struct camif_dev *camif, struct camif_vp *vp) |
66 | { |
67 | const struct s3c_camif_variant *variant = camif->variant; |
68 | |
69 | if (camif->sensor.sd == NULL || vp->out_fmt == NULL) |
70 | return -EINVAL; |
71 | |
72 | if (variant->ip_revision == S3C244X_CAMIF_IP_REV) |
73 | camif_hw_clear_fifo_overflow(vp); |
74 | camif_hw_set_camera_bus(camif); |
75 | camif_hw_set_source_format(camif); |
76 | camif_hw_set_camera_crop(camif); |
77 | camif_hw_set_test_pattern(camif, pattern: camif->test_pattern); |
78 | if (variant->has_img_effect) |
79 | camif_hw_set_effect(camif, effect: camif->colorfx, |
80 | cr: camif->colorfx_cr, cb: camif->colorfx_cb); |
81 | if (variant->ip_revision == S3C6410_CAMIF_IP_REV) |
82 | camif_hw_set_input_path(vp); |
83 | camif_cfg_video_path(vp); |
84 | vp->state &= ~ST_VP_CONFIG; |
85 | |
86 | return 0; |
87 | } |
88 | |
89 | /* |
90 | * Initialize the video path, only up from the scaler stage. The camera |
91 | * input interface set up is skipped. This is useful to enable one of the |
92 | * video paths when the other is already running. |
93 | * Locking: called with camif->slock spinlock held. |
94 | */ |
95 | static int s3c_camif_hw_vp_init(struct camif_dev *camif, struct camif_vp *vp) |
96 | { |
97 | unsigned int ip_rev = camif->variant->ip_revision; |
98 | |
99 | if (vp->out_fmt == NULL) |
100 | return -EINVAL; |
101 | |
102 | camif_prepare_dma_offset(vp); |
103 | if (ip_rev == S3C244X_CAMIF_IP_REV) |
104 | camif_hw_clear_fifo_overflow(vp); |
105 | camif_cfg_video_path(vp); |
106 | vp->state &= ~ST_VP_CONFIG; |
107 | return 0; |
108 | } |
109 | |
110 | static int sensor_set_power(struct camif_dev *camif, int on) |
111 | { |
112 | struct cam_sensor *sensor = &camif->sensor; |
113 | int err = 0; |
114 | |
115 | if (camif->sensor.power_count == !on) |
116 | err = v4l2_subdev_call(sensor->sd, core, s_power, on); |
117 | if (err == -ENOIOCTLCMD) |
118 | err = 0; |
119 | if (!err) |
120 | sensor->power_count += on ? 1 : -1; |
121 | |
122 | pr_debug("on: %d, power_count: %d, err: %d\n" , |
123 | on, sensor->power_count, err); |
124 | |
125 | return err; |
126 | } |
127 | |
128 | static int sensor_set_streaming(struct camif_dev *camif, int on) |
129 | { |
130 | struct cam_sensor *sensor = &camif->sensor; |
131 | int err = 0; |
132 | |
133 | if (camif->sensor.stream_count == !on) |
134 | err = v4l2_subdev_call(sensor->sd, video, s_stream, on); |
135 | if (!err) |
136 | sensor->stream_count += on ? 1 : -1; |
137 | |
138 | pr_debug("on: %d, stream_count: %d, err: %d\n" , |
139 | on, sensor->stream_count, err); |
140 | |
141 | return err; |
142 | } |
143 | |
144 | /* |
145 | * Reinitialize the driver so it is ready to start streaming again. |
146 | * Return any buffers to vb2, perform CAMIF software reset and |
147 | * turn off streaming at the data pipeline (sensor) if required. |
148 | */ |
149 | static int camif_reinitialize(struct camif_vp *vp) |
150 | { |
151 | struct camif_dev *camif = vp->camif; |
152 | struct camif_buffer *buf; |
153 | unsigned long flags; |
154 | bool streaming; |
155 | |
156 | spin_lock_irqsave(&camif->slock, flags); |
157 | streaming = vp->state & ST_VP_SENSOR_STREAMING; |
158 | |
159 | vp->state &= ~(ST_VP_PENDING | ST_VP_RUNNING | ST_VP_OFF | |
160 | ST_VP_ABORTING | ST_VP_STREAMING | |
161 | ST_VP_SENSOR_STREAMING | ST_VP_LASTIRQ); |
162 | |
163 | /* Release unused buffers */ |
164 | while (!list_empty(head: &vp->pending_buf_q)) { |
165 | buf = camif_pending_queue_pop(vp); |
166 | vb2_buffer_done(vb: &buf->vb.vb2_buf, state: VB2_BUF_STATE_ERROR); |
167 | } |
168 | |
169 | while (!list_empty(head: &vp->active_buf_q)) { |
170 | buf = camif_active_queue_pop(vp); |
171 | vb2_buffer_done(vb: &buf->vb.vb2_buf, state: VB2_BUF_STATE_ERROR); |
172 | } |
173 | |
174 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
175 | |
176 | if (!streaming) |
177 | return 0; |
178 | |
179 | return sensor_set_streaming(camif, on: 0); |
180 | } |
181 | |
182 | static bool s3c_vp_active(struct camif_vp *vp) |
183 | { |
184 | struct camif_dev *camif = vp->camif; |
185 | unsigned long flags; |
186 | bool ret; |
187 | |
188 | spin_lock_irqsave(&camif->slock, flags); |
189 | ret = (vp->state & ST_VP_RUNNING) || (vp->state & ST_VP_PENDING); |
190 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
191 | |
192 | return ret; |
193 | } |
194 | |
195 | static bool camif_is_streaming(struct camif_dev *camif) |
196 | { |
197 | unsigned long flags; |
198 | bool status; |
199 | |
200 | spin_lock_irqsave(&camif->slock, flags); |
201 | status = camif->stream_count > 0; |
202 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
203 | |
204 | return status; |
205 | } |
206 | |
207 | static int camif_stop_capture(struct camif_vp *vp) |
208 | { |
209 | struct camif_dev *camif = vp->camif; |
210 | unsigned long flags; |
211 | int ret; |
212 | |
213 | if (!s3c_vp_active(vp)) |
214 | return 0; |
215 | |
216 | spin_lock_irqsave(&camif->slock, flags); |
217 | vp->state &= ~(ST_VP_OFF | ST_VP_LASTIRQ); |
218 | vp->state |= ST_VP_ABORTING; |
219 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
220 | |
221 | ret = wait_event_timeout(vp->irq_queue, |
222 | !(vp->state & ST_VP_ABORTING), |
223 | msecs_to_jiffies(CAMIF_STOP_TIMEOUT)); |
224 | |
225 | spin_lock_irqsave(&camif->slock, flags); |
226 | |
227 | if (ret == 0 && !(vp->state & ST_VP_OFF)) { |
228 | /* Timed out, forcibly stop capture */ |
229 | vp->state &= ~(ST_VP_OFF | ST_VP_ABORTING | |
230 | ST_VP_LASTIRQ); |
231 | |
232 | camif_hw_disable_capture(vp); |
233 | camif_hw_enable_scaler(vp, on: false); |
234 | } |
235 | |
236 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
237 | |
238 | return camif_reinitialize(vp); |
239 | } |
240 | |
241 | static int camif_prepare_addr(struct camif_vp *vp, struct vb2_buffer *vb, |
242 | struct camif_addr *paddr) |
243 | { |
244 | struct camif_frame *frame = &vp->out_frame; |
245 | u32 pix_size; |
246 | |
247 | if (vb == NULL || frame == NULL) |
248 | return -EINVAL; |
249 | |
250 | pix_size = frame->rect.width * frame->rect.height; |
251 | |
252 | pr_debug("colplanes: %d, pix_size: %u\n" , |
253 | vp->out_fmt->colplanes, pix_size); |
254 | |
255 | paddr->y = vb2_dma_contig_plane_dma_addr(vb, plane_no: 0); |
256 | |
257 | switch (vp->out_fmt->colplanes) { |
258 | case 1: |
259 | paddr->cb = 0; |
260 | paddr->cr = 0; |
261 | break; |
262 | case 2: |
263 | /* decompose Y into Y/Cb */ |
264 | paddr->cb = (u32)(paddr->y + pix_size); |
265 | paddr->cr = 0; |
266 | break; |
267 | case 3: |
268 | paddr->cb = (u32)(paddr->y + pix_size); |
269 | /* decompose Y into Y/Cb/Cr */ |
270 | if (vp->out_fmt->color == IMG_FMT_YCBCR422P) |
271 | paddr->cr = (u32)(paddr->cb + (pix_size >> 1)); |
272 | else /* 420 */ |
273 | paddr->cr = (u32)(paddr->cb + (pix_size >> 2)); |
274 | |
275 | if (vp->out_fmt->color == IMG_FMT_YCRCB420) |
276 | swap(paddr->cb, paddr->cr); |
277 | break; |
278 | default: |
279 | return -EINVAL; |
280 | } |
281 | |
282 | pr_debug("DMA address: y: %pad cb: %pad cr: %pad\n" , |
283 | &paddr->y, &paddr->cb, &paddr->cr); |
284 | |
285 | return 0; |
286 | } |
287 | |
288 | irqreturn_t s3c_camif_irq_handler(int irq, void *priv) |
289 | { |
290 | struct camif_vp *vp = priv; |
291 | struct camif_dev *camif = vp->camif; |
292 | unsigned int ip_rev = camif->variant->ip_revision; |
293 | unsigned int status; |
294 | |
295 | spin_lock(lock: &camif->slock); |
296 | |
297 | if (ip_rev == S3C6410_CAMIF_IP_REV) |
298 | camif_hw_clear_pending_irq(vp); |
299 | |
300 | status = camif_hw_get_status(vp); |
301 | |
302 | if (ip_rev == S3C244X_CAMIF_IP_REV && (status & CISTATUS_OVF_MASK)) { |
303 | camif_hw_clear_fifo_overflow(vp); |
304 | goto unlock; |
305 | } |
306 | |
307 | if (vp->state & ST_VP_ABORTING) { |
308 | if (vp->state & ST_VP_OFF) { |
309 | /* Last IRQ */ |
310 | vp->state &= ~(ST_VP_OFF | ST_VP_ABORTING | |
311 | ST_VP_LASTIRQ); |
312 | wake_up(&vp->irq_queue); |
313 | goto unlock; |
314 | } else if (vp->state & ST_VP_LASTIRQ) { |
315 | camif_hw_disable_capture(vp); |
316 | camif_hw_enable_scaler(vp, on: false); |
317 | camif_hw_set_lastirq(vp, enable: false); |
318 | vp->state |= ST_VP_OFF; |
319 | } else { |
320 | /* Disable capture, enable last IRQ */ |
321 | camif_hw_set_lastirq(vp, enable: true); |
322 | vp->state |= ST_VP_LASTIRQ; |
323 | } |
324 | } |
325 | |
326 | if (!list_empty(head: &vp->pending_buf_q) && (vp->state & ST_VP_RUNNING) && |
327 | !list_empty(head: &vp->active_buf_q)) { |
328 | unsigned int index; |
329 | struct camif_buffer *vbuf; |
330 | /* |
331 | * Get previous DMA write buffer index: |
332 | * 0 => DMA buffer 0, 2; |
333 | * 1 => DMA buffer 1, 3. |
334 | */ |
335 | index = (CISTATUS_FRAMECNT(status) + 2) & 1; |
336 | vbuf = camif_active_queue_peek(vp, index); |
337 | |
338 | if (!WARN_ON(vbuf == NULL)) { |
339 | /* Dequeue a filled buffer */ |
340 | vbuf->vb.vb2_buf.timestamp = ktime_get_ns(); |
341 | vbuf->vb.sequence = vp->frame_sequence++; |
342 | vb2_buffer_done(vb: &vbuf->vb.vb2_buf, state: VB2_BUF_STATE_DONE); |
343 | |
344 | /* Set up an empty buffer at the DMA engine */ |
345 | vbuf = camif_pending_queue_pop(vp); |
346 | vbuf->index = index; |
347 | camif_hw_set_output_addr(vp, paddr: &vbuf->paddr, index); |
348 | camif_hw_set_output_addr(vp, paddr: &vbuf->paddr, index: index + 2); |
349 | |
350 | /* Scheduled in H/W, add to the queue */ |
351 | camif_active_queue_add(vp, buf: vbuf); |
352 | } |
353 | } else if (!(vp->state & ST_VP_ABORTING) && |
354 | (vp->state & ST_VP_PENDING)) { |
355 | vp->state |= ST_VP_RUNNING; |
356 | } |
357 | |
358 | if (vp->state & ST_VP_CONFIG) { |
359 | camif_prepare_dma_offset(vp); |
360 | camif_hw_set_camera_crop(camif); |
361 | camif_hw_set_scaler(vp); |
362 | camif_hw_set_flip(vp); |
363 | camif_hw_set_test_pattern(camif, pattern: camif->test_pattern); |
364 | if (camif->variant->has_img_effect) |
365 | camif_hw_set_effect(camif, effect: camif->colorfx, |
366 | cr: camif->colorfx_cr, cb: camif->colorfx_cb); |
367 | vp->state &= ~ST_VP_CONFIG; |
368 | } |
369 | unlock: |
370 | spin_unlock(lock: &camif->slock); |
371 | return IRQ_HANDLED; |
372 | } |
373 | |
374 | static int start_streaming(struct vb2_queue *vq, unsigned int count) |
375 | { |
376 | struct camif_vp *vp = vb2_get_drv_priv(q: vq); |
377 | struct camif_dev *camif = vp->camif; |
378 | unsigned long flags; |
379 | int ret; |
380 | |
381 | /* |
382 | * We assume the codec capture path is always activated |
383 | * first, before the preview path starts streaming. |
384 | * This is required to avoid internal FIFO overflow and |
385 | * a need for CAMIF software reset. |
386 | */ |
387 | spin_lock_irqsave(&camif->slock, flags); |
388 | |
389 | if (camif->stream_count == 0) { |
390 | camif_hw_reset(camif); |
391 | ret = s3c_camif_hw_init(camif, vp); |
392 | } else { |
393 | ret = s3c_camif_hw_vp_init(camif, vp); |
394 | } |
395 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
396 | |
397 | if (ret < 0) { |
398 | camif_reinitialize(vp); |
399 | return ret; |
400 | } |
401 | |
402 | spin_lock_irqsave(&camif->slock, flags); |
403 | vp->frame_sequence = 0; |
404 | vp->state |= ST_VP_PENDING; |
405 | |
406 | if (!list_empty(head: &vp->pending_buf_q) && |
407 | (!(vp->state & ST_VP_STREAMING) || |
408 | !(vp->state & ST_VP_SENSOR_STREAMING))) { |
409 | |
410 | camif_hw_enable_scaler(vp, on: vp->scaler.enable); |
411 | camif_hw_enable_capture(vp); |
412 | vp->state |= ST_VP_STREAMING; |
413 | |
414 | if (!(vp->state & ST_VP_SENSOR_STREAMING)) { |
415 | vp->state |= ST_VP_SENSOR_STREAMING; |
416 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
417 | ret = sensor_set_streaming(camif, on: 1); |
418 | if (ret) |
419 | v4l2_err(&vp->vdev, "Sensor s_stream failed\n" ); |
420 | if (debug) |
421 | camif_hw_dump_regs(camif, label: __func__); |
422 | |
423 | return ret; |
424 | } |
425 | } |
426 | |
427 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
428 | return 0; |
429 | } |
430 | |
431 | static void stop_streaming(struct vb2_queue *vq) |
432 | { |
433 | struct camif_vp *vp = vb2_get_drv_priv(q: vq); |
434 | camif_stop_capture(vp); |
435 | } |
436 | |
437 | static int queue_setup(struct vb2_queue *vq, |
438 | unsigned int *num_buffers, unsigned int *num_planes, |
439 | unsigned int sizes[], struct device *alloc_devs[]) |
440 | { |
441 | struct camif_vp *vp = vb2_get_drv_priv(q: vq); |
442 | struct camif_frame *frame = &vp->out_frame; |
443 | const struct camif_fmt *fmt = vp->out_fmt; |
444 | unsigned int size; |
445 | |
446 | if (fmt == NULL) |
447 | return -EINVAL; |
448 | |
449 | size = (frame->f_width * frame->f_height * fmt->depth) / 8; |
450 | |
451 | if (*num_planes) |
452 | return sizes[0] < size ? -EINVAL : 0; |
453 | |
454 | *num_planes = 1; |
455 | sizes[0] = size; |
456 | |
457 | pr_debug("size: %u\n" , sizes[0]); |
458 | return 0; |
459 | } |
460 | |
461 | static int buffer_prepare(struct vb2_buffer *vb) |
462 | { |
463 | struct camif_vp *vp = vb2_get_drv_priv(q: vb->vb2_queue); |
464 | |
465 | if (vp->out_fmt == NULL) |
466 | return -EINVAL; |
467 | |
468 | if (vb2_plane_size(vb, plane_no: 0) < vp->payload) { |
469 | v4l2_err(&vp->vdev, "buffer too small: %lu, required: %u\n" , |
470 | vb2_plane_size(vb, 0), vp->payload); |
471 | return -EINVAL; |
472 | } |
473 | vb2_set_plane_payload(vb, plane_no: 0, size: vp->payload); |
474 | |
475 | return 0; |
476 | } |
477 | |
478 | static void buffer_queue(struct vb2_buffer *vb) |
479 | { |
480 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
481 | struct camif_buffer *buf = container_of(vbuf, struct camif_buffer, vb); |
482 | struct camif_vp *vp = vb2_get_drv_priv(q: vb->vb2_queue); |
483 | struct camif_dev *camif = vp->camif; |
484 | unsigned long flags; |
485 | |
486 | spin_lock_irqsave(&camif->slock, flags); |
487 | WARN_ON(camif_prepare_addr(vp, &buf->vb.vb2_buf, &buf->paddr)); |
488 | |
489 | if (!(vp->state & ST_VP_STREAMING) && vp->active_buffers < 2) { |
490 | /* Schedule an empty buffer in H/W */ |
491 | buf->index = vp->buf_index; |
492 | |
493 | camif_hw_set_output_addr(vp, paddr: &buf->paddr, index: buf->index); |
494 | camif_hw_set_output_addr(vp, paddr: &buf->paddr, index: buf->index + 2); |
495 | |
496 | camif_active_queue_add(vp, buf); |
497 | vp->buf_index = !vp->buf_index; |
498 | } else { |
499 | camif_pending_queue_add(vp, buf); |
500 | } |
501 | |
502 | if (vb2_is_streaming(q: &vp->vb_queue) && !list_empty(head: &vp->pending_buf_q) |
503 | && !(vp->state & ST_VP_STREAMING)) { |
504 | |
505 | vp->state |= ST_VP_STREAMING; |
506 | camif_hw_enable_scaler(vp, on: vp->scaler.enable); |
507 | camif_hw_enable_capture(vp); |
508 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
509 | |
510 | if (!(vp->state & ST_VP_SENSOR_STREAMING)) { |
511 | if (sensor_set_streaming(camif, on: 1) == 0) |
512 | vp->state |= ST_VP_SENSOR_STREAMING; |
513 | else |
514 | v4l2_err(&vp->vdev, "Sensor s_stream failed\n" ); |
515 | |
516 | if (debug) |
517 | camif_hw_dump_regs(camif, label: __func__); |
518 | } |
519 | return; |
520 | } |
521 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
522 | } |
523 | |
524 | static const struct vb2_ops s3c_camif_qops = { |
525 | .queue_setup = queue_setup, |
526 | .buf_prepare = buffer_prepare, |
527 | .buf_queue = buffer_queue, |
528 | .wait_prepare = vb2_ops_wait_prepare, |
529 | .wait_finish = vb2_ops_wait_finish, |
530 | .start_streaming = start_streaming, |
531 | .stop_streaming = stop_streaming, |
532 | }; |
533 | |
534 | static int s3c_camif_open(struct file *file) |
535 | { |
536 | struct camif_vp *vp = video_drvdata(file); |
537 | struct camif_dev *camif = vp->camif; |
538 | int ret; |
539 | |
540 | pr_debug("[vp%d] state: %#x, owner: %p, pid: %d\n" , vp->id, |
541 | vp->state, vp->owner, task_pid_nr(current)); |
542 | |
543 | if (mutex_lock_interruptible(&camif->lock)) |
544 | return -ERESTARTSYS; |
545 | |
546 | ret = v4l2_fh_open(filp: file); |
547 | if (ret < 0) |
548 | goto unlock; |
549 | |
550 | ret = pm_runtime_resume_and_get(dev: camif->dev); |
551 | if (ret < 0) |
552 | goto err_pm; |
553 | |
554 | ret = sensor_set_power(camif, on: 1); |
555 | if (!ret) |
556 | goto unlock; |
557 | |
558 | pm_runtime_put(dev: camif->dev); |
559 | err_pm: |
560 | v4l2_fh_release(filp: file); |
561 | unlock: |
562 | mutex_unlock(lock: &camif->lock); |
563 | return ret; |
564 | } |
565 | |
566 | static int s3c_camif_close(struct file *file) |
567 | { |
568 | struct camif_vp *vp = video_drvdata(file); |
569 | struct camif_dev *camif = vp->camif; |
570 | int ret; |
571 | |
572 | pr_debug("[vp%d] state: %#x, owner: %p, pid: %d\n" , vp->id, |
573 | vp->state, vp->owner, task_pid_nr(current)); |
574 | |
575 | mutex_lock(&camif->lock); |
576 | |
577 | if (vp->owner == file->private_data) { |
578 | camif_stop_capture(vp); |
579 | vb2_queue_release(q: &vp->vb_queue); |
580 | vp->owner = NULL; |
581 | } |
582 | |
583 | sensor_set_power(camif, on: 0); |
584 | |
585 | pm_runtime_put(dev: camif->dev); |
586 | ret = v4l2_fh_release(filp: file); |
587 | |
588 | mutex_unlock(lock: &camif->lock); |
589 | return ret; |
590 | } |
591 | |
592 | static __poll_t s3c_camif_poll(struct file *file, |
593 | struct poll_table_struct *wait) |
594 | { |
595 | struct camif_vp *vp = video_drvdata(file); |
596 | struct camif_dev *camif = vp->camif; |
597 | __poll_t ret; |
598 | |
599 | mutex_lock(&camif->lock); |
600 | if (vp->owner && vp->owner != file->private_data) |
601 | ret = EPOLLERR; |
602 | else |
603 | ret = vb2_poll(q: &vp->vb_queue, file, wait); |
604 | |
605 | mutex_unlock(lock: &camif->lock); |
606 | return ret; |
607 | } |
608 | |
609 | static int s3c_camif_mmap(struct file *file, struct vm_area_struct *vma) |
610 | { |
611 | struct camif_vp *vp = video_drvdata(file); |
612 | int ret; |
613 | |
614 | if (vp->owner && vp->owner != file->private_data) |
615 | ret = -EBUSY; |
616 | else |
617 | ret = vb2_mmap(q: &vp->vb_queue, vma); |
618 | |
619 | return ret; |
620 | } |
621 | |
622 | static const struct v4l2_file_operations s3c_camif_fops = { |
623 | .owner = THIS_MODULE, |
624 | .open = s3c_camif_open, |
625 | .release = s3c_camif_close, |
626 | .poll = s3c_camif_poll, |
627 | .unlocked_ioctl = video_ioctl2, |
628 | .mmap = s3c_camif_mmap, |
629 | }; |
630 | |
631 | /* |
632 | * Video node IOCTLs |
633 | */ |
634 | |
635 | static int s3c_camif_vidioc_querycap(struct file *file, void *priv, |
636 | struct v4l2_capability *cap) |
637 | { |
638 | struct camif_vp *vp = video_drvdata(file); |
639 | |
640 | strscpy(cap->driver, S3C_CAMIF_DRIVER_NAME, sizeof(cap->driver)); |
641 | strscpy(cap->card, S3C_CAMIF_DRIVER_NAME, sizeof(cap->card)); |
642 | snprintf(buf: cap->bus_info, size: sizeof(cap->bus_info), fmt: "platform:%s.%d" , |
643 | dev_name(dev: vp->camif->dev), vp->id); |
644 | return 0; |
645 | } |
646 | |
647 | static int s3c_camif_vidioc_enum_input(struct file *file, void *priv, |
648 | struct v4l2_input *input) |
649 | { |
650 | struct camif_vp *vp = video_drvdata(file); |
651 | struct v4l2_subdev *sensor = vp->camif->sensor.sd; |
652 | |
653 | if (input->index || sensor == NULL) |
654 | return -EINVAL; |
655 | |
656 | input->type = V4L2_INPUT_TYPE_CAMERA; |
657 | strscpy(input->name, sensor->name, sizeof(input->name)); |
658 | return 0; |
659 | } |
660 | |
661 | static int s3c_camif_vidioc_s_input(struct file *file, void *priv, |
662 | unsigned int i) |
663 | { |
664 | return i == 0 ? 0 : -EINVAL; |
665 | } |
666 | |
667 | static int s3c_camif_vidioc_g_input(struct file *file, void *priv, |
668 | unsigned int *i) |
669 | { |
670 | *i = 0; |
671 | return 0; |
672 | } |
673 | |
674 | static int s3c_camif_vidioc_enum_fmt(struct file *file, void *priv, |
675 | struct v4l2_fmtdesc *f) |
676 | { |
677 | struct camif_vp *vp = video_drvdata(file); |
678 | const struct camif_fmt *fmt; |
679 | |
680 | fmt = s3c_camif_find_format(vp, NULL, index: f->index); |
681 | if (!fmt) |
682 | return -EINVAL; |
683 | |
684 | f->pixelformat = fmt->fourcc; |
685 | return 0; |
686 | } |
687 | |
688 | static int s3c_camif_vidioc_g_fmt(struct file *file, void *priv, |
689 | struct v4l2_format *f) |
690 | { |
691 | struct camif_vp *vp = video_drvdata(file); |
692 | struct v4l2_pix_format *pix = &f->fmt.pix; |
693 | struct camif_frame *frame = &vp->out_frame; |
694 | const struct camif_fmt *fmt = vp->out_fmt; |
695 | |
696 | pix->bytesperline = frame->f_width * fmt->ybpp; |
697 | pix->sizeimage = vp->payload; |
698 | |
699 | pix->pixelformat = fmt->fourcc; |
700 | pix->width = frame->f_width; |
701 | pix->height = frame->f_height; |
702 | pix->field = V4L2_FIELD_NONE; |
703 | pix->colorspace = V4L2_COLORSPACE_JPEG; |
704 | |
705 | return 0; |
706 | } |
707 | |
708 | static int __camif_video_try_format(struct camif_vp *vp, |
709 | struct v4l2_pix_format *pix, |
710 | const struct camif_fmt **ffmt) |
711 | { |
712 | struct camif_dev *camif = vp->camif; |
713 | struct v4l2_rect *crop = &camif->camif_crop; |
714 | unsigned int wmin, hmin, sc_hrmax, sc_vrmax; |
715 | const struct vp_pix_limits *pix_lim; |
716 | const struct camif_fmt *fmt; |
717 | |
718 | fmt = s3c_camif_find_format(vp, pixelformat: &pix->pixelformat, index: 0); |
719 | |
720 | if (WARN_ON(fmt == NULL)) |
721 | return -EINVAL; |
722 | |
723 | if (ffmt) |
724 | *ffmt = fmt; |
725 | |
726 | pix_lim = &camif->variant->vp_pix_limits[vp->id]; |
727 | |
728 | pr_debug("fmt: %ux%u, crop: %ux%u, bytesperline: %u\n" , |
729 | pix->width, pix->height, crop->width, crop->height, |
730 | pix->bytesperline); |
731 | /* |
732 | * Calculate minimum width and height according to the configured |
733 | * camera input interface crop rectangle and the resizer's capabilities. |
734 | */ |
735 | sc_hrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->width) - 3)); |
736 | sc_vrmax = min(SCALER_MAX_RATIO, 1 << (ffs(crop->height) - 1)); |
737 | |
738 | wmin = max_t(u32, pix_lim->min_out_width, crop->width / sc_hrmax); |
739 | wmin = round_up(wmin, pix_lim->out_width_align); |
740 | hmin = max_t(u32, 8, crop->height / sc_vrmax); |
741 | hmin = round_up(hmin, 8); |
742 | |
743 | v4l_bound_align_image(width: &pix->width, wmin, wmax: pix_lim->max_sc_out_width, |
744 | ffs(pix_lim->out_width_align) - 1, |
745 | height: &pix->height, hmin, hmax: pix_lim->max_height, halign: 0, salign: 0); |
746 | |
747 | pix->bytesperline = pix->width * fmt->ybpp; |
748 | pix->sizeimage = (pix->width * pix->height * fmt->depth) / 8; |
749 | pix->pixelformat = fmt->fourcc; |
750 | pix->colorspace = V4L2_COLORSPACE_JPEG; |
751 | pix->field = V4L2_FIELD_NONE; |
752 | |
753 | pr_debug("%ux%u, wmin: %d, hmin: %d, sc_hrmax: %d, sc_vrmax: %d\n" , |
754 | pix->width, pix->height, wmin, hmin, sc_hrmax, sc_vrmax); |
755 | |
756 | return 0; |
757 | } |
758 | |
759 | static int s3c_camif_vidioc_try_fmt(struct file *file, void *priv, |
760 | struct v4l2_format *f) |
761 | { |
762 | struct camif_vp *vp = video_drvdata(file); |
763 | return __camif_video_try_format(vp, pix: &f->fmt.pix, NULL); |
764 | } |
765 | |
766 | static int s3c_camif_vidioc_s_fmt(struct file *file, void *priv, |
767 | struct v4l2_format *f) |
768 | { |
769 | struct v4l2_pix_format *pix = &f->fmt.pix; |
770 | struct camif_vp *vp = video_drvdata(file); |
771 | struct camif_frame *out_frame = &vp->out_frame; |
772 | const struct camif_fmt *fmt = NULL; |
773 | int ret; |
774 | |
775 | pr_debug("[vp%d]\n" , vp->id); |
776 | |
777 | if (vb2_is_busy(q: &vp->vb_queue)) |
778 | return -EBUSY; |
779 | |
780 | ret = __camif_video_try_format(vp, pix: &f->fmt.pix, ffmt: &fmt); |
781 | if (ret < 0) |
782 | return ret; |
783 | |
784 | vp->out_fmt = fmt; |
785 | vp->payload = pix->sizeimage; |
786 | out_frame->f_width = pix->width; |
787 | out_frame->f_height = pix->height; |
788 | |
789 | /* Reset composition rectangle */ |
790 | out_frame->rect.width = pix->width; |
791 | out_frame->rect.height = pix->height; |
792 | out_frame->rect.left = 0; |
793 | out_frame->rect.top = 0; |
794 | |
795 | if (vp->owner == NULL) |
796 | vp->owner = priv; |
797 | |
798 | pr_debug("%ux%u. payload: %u. fmt: 0x%08x. %d %d. sizeimage: %d. bpl: %d\n" , |
799 | out_frame->f_width, out_frame->f_height, vp->payload, |
800 | fmt->fourcc, pix->width * pix->height * fmt->depth, |
801 | fmt->depth, pix->sizeimage, pix->bytesperline); |
802 | |
803 | return 0; |
804 | } |
805 | |
806 | /* Only check pixel formats at the sensor and the camif subdev pads */ |
807 | static int camif_pipeline_validate(struct camif_dev *camif) |
808 | { |
809 | struct v4l2_subdev_format src_fmt = { |
810 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, |
811 | }; |
812 | struct media_pad *pad; |
813 | int ret; |
814 | |
815 | /* Retrieve format at the sensor subdev source pad */ |
816 | pad = media_pad_remote_pad_first(pad: &camif->pads[0]); |
817 | if (!pad || !is_media_entity_v4l2_subdev(entity: pad->entity)) |
818 | return -EPIPE; |
819 | |
820 | src_fmt.pad = pad->index; |
821 | ret = v4l2_subdev_call(camif->sensor.sd, pad, get_fmt, NULL, &src_fmt); |
822 | if (ret < 0 && ret != -ENOIOCTLCMD) |
823 | return -EPIPE; |
824 | |
825 | if (src_fmt.format.width != camif->mbus_fmt.width || |
826 | src_fmt.format.height != camif->mbus_fmt.height || |
827 | src_fmt.format.code != camif->mbus_fmt.code) |
828 | return -EPIPE; |
829 | |
830 | return 0; |
831 | } |
832 | |
833 | static int s3c_camif_streamon(struct file *file, void *priv, |
834 | enum v4l2_buf_type type) |
835 | { |
836 | struct camif_vp *vp = video_drvdata(file); |
837 | struct camif_dev *camif = vp->camif; |
838 | struct media_entity *sensor = &camif->sensor.sd->entity; |
839 | int ret; |
840 | |
841 | pr_debug("[vp%d]\n" , vp->id); |
842 | |
843 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
844 | return -EINVAL; |
845 | |
846 | if (vp->owner && vp->owner != priv) |
847 | return -EBUSY; |
848 | |
849 | if (s3c_vp_active(vp)) |
850 | return 0; |
851 | |
852 | ret = media_pipeline_start(pad: sensor->pads, pipe: camif->m_pipeline); |
853 | if (ret < 0) |
854 | return ret; |
855 | |
856 | ret = camif_pipeline_validate(camif); |
857 | if (ret < 0) { |
858 | media_pipeline_stop(pad: sensor->pads); |
859 | return ret; |
860 | } |
861 | |
862 | return vb2_streamon(q: &vp->vb_queue, type); |
863 | } |
864 | |
865 | static int s3c_camif_streamoff(struct file *file, void *priv, |
866 | enum v4l2_buf_type type) |
867 | { |
868 | struct camif_vp *vp = video_drvdata(file); |
869 | struct camif_dev *camif = vp->camif; |
870 | int ret; |
871 | |
872 | pr_debug("[vp%d]\n" , vp->id); |
873 | |
874 | if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
875 | return -EINVAL; |
876 | |
877 | if (vp->owner && vp->owner != priv) |
878 | return -EBUSY; |
879 | |
880 | ret = vb2_streamoff(q: &vp->vb_queue, type); |
881 | if (ret == 0) |
882 | media_pipeline_stop(pad: camif->sensor.sd->entity.pads); |
883 | return ret; |
884 | } |
885 | |
886 | static int s3c_camif_reqbufs(struct file *file, void *priv, |
887 | struct v4l2_requestbuffers *rb) |
888 | { |
889 | struct camif_vp *vp = video_drvdata(file); |
890 | int ret; |
891 | |
892 | pr_debug("[vp%d] rb count: %d, owner: %p, priv: %p\n" , |
893 | vp->id, rb->count, vp->owner, priv); |
894 | |
895 | if (vp->owner && vp->owner != priv) |
896 | return -EBUSY; |
897 | |
898 | if (rb->count) |
899 | rb->count = max_t(u32, CAMIF_REQ_BUFS_MIN, rb->count); |
900 | else |
901 | vp->owner = NULL; |
902 | |
903 | ret = vb2_reqbufs(q: &vp->vb_queue, req: rb); |
904 | if (ret < 0) |
905 | return ret; |
906 | |
907 | if (rb->count && rb->count < CAMIF_REQ_BUFS_MIN) { |
908 | rb->count = 0; |
909 | vb2_reqbufs(q: &vp->vb_queue, req: rb); |
910 | ret = -ENOMEM; |
911 | } |
912 | |
913 | vp->reqbufs_count = rb->count; |
914 | if (vp->owner == NULL && rb->count > 0) |
915 | vp->owner = priv; |
916 | |
917 | return ret; |
918 | } |
919 | |
920 | static int s3c_camif_querybuf(struct file *file, void *priv, |
921 | struct v4l2_buffer *buf) |
922 | { |
923 | struct camif_vp *vp = video_drvdata(file); |
924 | return vb2_querybuf(q: &vp->vb_queue, b: buf); |
925 | } |
926 | |
927 | static int s3c_camif_qbuf(struct file *file, void *priv, |
928 | struct v4l2_buffer *buf) |
929 | { |
930 | struct camif_vp *vp = video_drvdata(file); |
931 | |
932 | pr_debug("[vp%d]\n" , vp->id); |
933 | |
934 | if (vp->owner && vp->owner != priv) |
935 | return -EBUSY; |
936 | |
937 | return vb2_qbuf(q: &vp->vb_queue, mdev: vp->vdev.v4l2_dev->mdev, b: buf); |
938 | } |
939 | |
940 | static int s3c_camif_dqbuf(struct file *file, void *priv, |
941 | struct v4l2_buffer *buf) |
942 | { |
943 | struct camif_vp *vp = video_drvdata(file); |
944 | |
945 | pr_debug("[vp%d] sequence: %d\n" , vp->id, vp->frame_sequence); |
946 | |
947 | if (vp->owner && vp->owner != priv) |
948 | return -EBUSY; |
949 | |
950 | return vb2_dqbuf(q: &vp->vb_queue, b: buf, nonblocking: file->f_flags & O_NONBLOCK); |
951 | } |
952 | |
953 | static int s3c_camif_create_bufs(struct file *file, void *priv, |
954 | struct v4l2_create_buffers *create) |
955 | { |
956 | struct camif_vp *vp = video_drvdata(file); |
957 | int ret; |
958 | |
959 | if (vp->owner && vp->owner != priv) |
960 | return -EBUSY; |
961 | |
962 | create->count = max_t(u32, 1, create->count); |
963 | ret = vb2_create_bufs(q: &vp->vb_queue, create); |
964 | |
965 | if (!ret && vp->owner == NULL) |
966 | vp->owner = priv; |
967 | |
968 | return ret; |
969 | } |
970 | |
971 | static int s3c_camif_prepare_buf(struct file *file, void *priv, |
972 | struct v4l2_buffer *b) |
973 | { |
974 | struct camif_vp *vp = video_drvdata(file); |
975 | return vb2_prepare_buf(q: &vp->vb_queue, mdev: vp->vdev.v4l2_dev->mdev, b); |
976 | } |
977 | |
978 | static int s3c_camif_g_selection(struct file *file, void *priv, |
979 | struct v4l2_selection *sel) |
980 | { |
981 | struct camif_vp *vp = video_drvdata(file); |
982 | |
983 | if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) |
984 | return -EINVAL; |
985 | |
986 | switch (sel->target) { |
987 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: |
988 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: |
989 | sel->r.left = 0; |
990 | sel->r.top = 0; |
991 | sel->r.width = vp->out_frame.f_width; |
992 | sel->r.height = vp->out_frame.f_height; |
993 | return 0; |
994 | |
995 | case V4L2_SEL_TGT_COMPOSE: |
996 | sel->r = vp->out_frame.rect; |
997 | return 0; |
998 | } |
999 | |
1000 | return -EINVAL; |
1001 | } |
1002 | |
1003 | static void __camif_try_compose(struct camif_dev *camif, struct camif_vp *vp, |
1004 | struct v4l2_rect *r) |
1005 | { |
1006 | /* s3c244x doesn't support composition */ |
1007 | if (camif->variant->ip_revision == S3C244X_CAMIF_IP_REV) { |
1008 | *r = vp->out_frame.rect; |
1009 | return; |
1010 | } |
1011 | |
1012 | /* TODO: s3c64xx */ |
1013 | } |
1014 | |
1015 | static int s3c_camif_s_selection(struct file *file, void *priv, |
1016 | struct v4l2_selection *sel) |
1017 | { |
1018 | struct camif_vp *vp = video_drvdata(file); |
1019 | struct camif_dev *camif = vp->camif; |
1020 | struct v4l2_rect rect = sel->r; |
1021 | unsigned long flags; |
1022 | |
1023 | if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE || |
1024 | sel->target != V4L2_SEL_TGT_COMPOSE) |
1025 | return -EINVAL; |
1026 | |
1027 | __camif_try_compose(camif, vp, r: &rect); |
1028 | |
1029 | sel->r = rect; |
1030 | spin_lock_irqsave(&camif->slock, flags); |
1031 | vp->out_frame.rect = rect; |
1032 | vp->state |= ST_VP_CONFIG; |
1033 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
1034 | |
1035 | pr_debug("type: %#x, target: %#x, flags: %#x, (%d,%d)/%dx%d\n" , |
1036 | sel->type, sel->target, sel->flags, |
1037 | sel->r.left, sel->r.top, sel->r.width, sel->r.height); |
1038 | |
1039 | return 0; |
1040 | } |
1041 | |
1042 | static const struct v4l2_ioctl_ops s3c_camif_ioctl_ops = { |
1043 | .vidioc_querycap = s3c_camif_vidioc_querycap, |
1044 | .vidioc_enum_input = s3c_camif_vidioc_enum_input, |
1045 | .vidioc_g_input = s3c_camif_vidioc_g_input, |
1046 | .vidioc_s_input = s3c_camif_vidioc_s_input, |
1047 | .vidioc_enum_fmt_vid_cap = s3c_camif_vidioc_enum_fmt, |
1048 | .vidioc_try_fmt_vid_cap = s3c_camif_vidioc_try_fmt, |
1049 | .vidioc_s_fmt_vid_cap = s3c_camif_vidioc_s_fmt, |
1050 | .vidioc_g_fmt_vid_cap = s3c_camif_vidioc_g_fmt, |
1051 | .vidioc_g_selection = s3c_camif_g_selection, |
1052 | .vidioc_s_selection = s3c_camif_s_selection, |
1053 | .vidioc_reqbufs = s3c_camif_reqbufs, |
1054 | .vidioc_querybuf = s3c_camif_querybuf, |
1055 | .vidioc_prepare_buf = s3c_camif_prepare_buf, |
1056 | .vidioc_create_bufs = s3c_camif_create_bufs, |
1057 | .vidioc_qbuf = s3c_camif_qbuf, |
1058 | .vidioc_dqbuf = s3c_camif_dqbuf, |
1059 | .vidioc_streamon = s3c_camif_streamon, |
1060 | .vidioc_streamoff = s3c_camif_streamoff, |
1061 | .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, |
1062 | .vidioc_unsubscribe_event = v4l2_event_unsubscribe, |
1063 | .vidioc_log_status = v4l2_ctrl_log_status, |
1064 | }; |
1065 | |
1066 | /* |
1067 | * Video node controls |
1068 | */ |
1069 | static int s3c_camif_video_s_ctrl(struct v4l2_ctrl *ctrl) |
1070 | { |
1071 | struct camif_vp *vp = ctrl->priv; |
1072 | struct camif_dev *camif = vp->camif; |
1073 | unsigned long flags; |
1074 | |
1075 | pr_debug("[vp%d] ctrl: %s, value: %d\n" , vp->id, |
1076 | ctrl->name, ctrl->val); |
1077 | |
1078 | spin_lock_irqsave(&camif->slock, flags); |
1079 | |
1080 | switch (ctrl->id) { |
1081 | case V4L2_CID_HFLIP: |
1082 | vp->hflip = ctrl->val; |
1083 | break; |
1084 | |
1085 | case V4L2_CID_VFLIP: |
1086 | vp->vflip = ctrl->val; |
1087 | break; |
1088 | } |
1089 | |
1090 | vp->state |= ST_VP_CONFIG; |
1091 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
1092 | return 0; |
1093 | } |
1094 | |
1095 | /* Codec and preview video node control ops */ |
1096 | static const struct v4l2_ctrl_ops s3c_camif_video_ctrl_ops = { |
1097 | .s_ctrl = s3c_camif_video_s_ctrl, |
1098 | }; |
1099 | |
1100 | int s3c_camif_register_video_node(struct camif_dev *camif, int idx) |
1101 | { |
1102 | struct camif_vp *vp = &camif->vp[idx]; |
1103 | struct vb2_queue *q = &vp->vb_queue; |
1104 | struct video_device *vfd = &vp->vdev; |
1105 | struct v4l2_ctrl *ctrl; |
1106 | int ret; |
1107 | |
1108 | memset(vfd, 0, sizeof(*vfd)); |
1109 | snprintf(buf: vfd->name, size: sizeof(vfd->name), fmt: "camif-%s" , |
1110 | vp->id == 0 ? "codec" : "preview" ); |
1111 | |
1112 | vfd->fops = &s3c_camif_fops; |
1113 | vfd->ioctl_ops = &s3c_camif_ioctl_ops; |
1114 | vfd->v4l2_dev = &camif->v4l2_dev; |
1115 | vfd->minor = -1; |
1116 | vfd->release = video_device_release_empty; |
1117 | vfd->lock = &camif->lock; |
1118 | vp->reqbufs_count = 0; |
1119 | |
1120 | INIT_LIST_HEAD(list: &vp->pending_buf_q); |
1121 | INIT_LIST_HEAD(list: &vp->active_buf_q); |
1122 | |
1123 | memset(q, 0, sizeof(*q)); |
1124 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
1125 | q->io_modes = VB2_MMAP | VB2_USERPTR; |
1126 | q->ops = &s3c_camif_qops; |
1127 | q->mem_ops = &vb2_dma_contig_memops; |
1128 | q->buf_struct_size = sizeof(struct camif_buffer); |
1129 | q->drv_priv = vp; |
1130 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
1131 | q->lock = &vp->camif->lock; |
1132 | q->dev = camif->v4l2_dev.dev; |
1133 | |
1134 | ret = vb2_queue_init(q); |
1135 | if (ret) |
1136 | return ret; |
1137 | |
1138 | vp->pad.flags = MEDIA_PAD_FL_SINK; |
1139 | ret = media_entity_pads_init(entity: &vfd->entity, num_pads: 1, pads: &vp->pad); |
1140 | if (ret) |
1141 | return ret; |
1142 | |
1143 | video_set_drvdata(vdev: vfd, data: vp); |
1144 | |
1145 | v4l2_ctrl_handler_init(&vp->ctrl_handler, 1); |
1146 | ctrl = v4l2_ctrl_new_std(hdl: &vp->ctrl_handler, ops: &s3c_camif_video_ctrl_ops, |
1147 | V4L2_CID_HFLIP, min: 0, max: 1, step: 1, def: 0); |
1148 | if (ctrl) |
1149 | ctrl->priv = vp; |
1150 | ctrl = v4l2_ctrl_new_std(hdl: &vp->ctrl_handler, ops: &s3c_camif_video_ctrl_ops, |
1151 | V4L2_CID_VFLIP, min: 0, max: 1, step: 1, def: 0); |
1152 | if (ctrl) |
1153 | ctrl->priv = vp; |
1154 | |
1155 | ret = vp->ctrl_handler.error; |
1156 | if (ret < 0) |
1157 | goto err_me_cleanup; |
1158 | |
1159 | vfd->ctrl_handler = &vp->ctrl_handler; |
1160 | vfd->device_caps = V4L2_CAP_STREAMING | V4L2_CAP_VIDEO_CAPTURE; |
1161 | |
1162 | ret = video_register_device(vdev: vfd, type: VFL_TYPE_VIDEO, nr: -1); |
1163 | if (ret) |
1164 | goto err_ctrlh_free; |
1165 | |
1166 | v4l2_info(&camif->v4l2_dev, "registered %s as /dev/%s\n" , |
1167 | vfd->name, video_device_node_name(vfd)); |
1168 | return 0; |
1169 | |
1170 | err_ctrlh_free: |
1171 | v4l2_ctrl_handler_free(hdl: &vp->ctrl_handler); |
1172 | err_me_cleanup: |
1173 | media_entity_cleanup(entity: &vfd->entity); |
1174 | return ret; |
1175 | } |
1176 | |
1177 | void s3c_camif_unregister_video_node(struct camif_dev *camif, int idx) |
1178 | { |
1179 | struct video_device *vfd = &camif->vp[idx].vdev; |
1180 | |
1181 | if (video_is_registered(vdev: vfd)) { |
1182 | video_unregister_device(vdev: vfd); |
1183 | media_entity_cleanup(entity: &vfd->entity); |
1184 | v4l2_ctrl_handler_free(hdl: vfd->ctrl_handler); |
1185 | } |
1186 | } |
1187 | |
1188 | /* Media bus pixel formats supported at the camif input */ |
1189 | static const u32 camif_mbus_formats[] = { |
1190 | MEDIA_BUS_FMT_YUYV8_2X8, |
1191 | MEDIA_BUS_FMT_YVYU8_2X8, |
1192 | MEDIA_BUS_FMT_UYVY8_2X8, |
1193 | MEDIA_BUS_FMT_VYUY8_2X8, |
1194 | }; |
1195 | |
1196 | /* |
1197 | * Camera input interface subdev operations |
1198 | */ |
1199 | |
1200 | static int s3c_camif_subdev_enum_mbus_code(struct v4l2_subdev *sd, |
1201 | struct v4l2_subdev_state *sd_state, |
1202 | struct v4l2_subdev_mbus_code_enum *code) |
1203 | { |
1204 | if (code->index >= ARRAY_SIZE(camif_mbus_formats)) |
1205 | return -EINVAL; |
1206 | |
1207 | code->code = camif_mbus_formats[code->index]; |
1208 | return 0; |
1209 | } |
1210 | |
1211 | static int s3c_camif_subdev_get_fmt(struct v4l2_subdev *sd, |
1212 | struct v4l2_subdev_state *sd_state, |
1213 | struct v4l2_subdev_format *fmt) |
1214 | { |
1215 | struct camif_dev *camif = v4l2_get_subdevdata(sd); |
1216 | struct v4l2_mbus_framefmt *mf = &fmt->format; |
1217 | |
1218 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
1219 | mf = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
1220 | fmt->format = *mf; |
1221 | return 0; |
1222 | } |
1223 | |
1224 | mutex_lock(&camif->lock); |
1225 | |
1226 | switch (fmt->pad) { |
1227 | case CAMIF_SD_PAD_SINK: |
1228 | /* full camera input pixel size */ |
1229 | *mf = camif->mbus_fmt; |
1230 | break; |
1231 | |
1232 | case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P: |
1233 | /* crop rectangle at camera interface input */ |
1234 | mf->width = camif->camif_crop.width; |
1235 | mf->height = camif->camif_crop.height; |
1236 | mf->code = camif->mbus_fmt.code; |
1237 | break; |
1238 | } |
1239 | |
1240 | mutex_unlock(lock: &camif->lock); |
1241 | mf->field = V4L2_FIELD_NONE; |
1242 | mf->colorspace = V4L2_COLORSPACE_JPEG; |
1243 | return 0; |
1244 | } |
1245 | |
1246 | static void __camif_subdev_try_format(struct camif_dev *camif, |
1247 | struct v4l2_mbus_framefmt *mf, int pad) |
1248 | { |
1249 | const struct s3c_camif_variant *variant = camif->variant; |
1250 | const struct vp_pix_limits *pix_lim; |
1251 | unsigned int i; |
1252 | |
1253 | /* FIXME: constraints against codec or preview path ? */ |
1254 | pix_lim = &variant->vp_pix_limits[VP_CODEC]; |
1255 | |
1256 | for (i = 0; i < ARRAY_SIZE(camif_mbus_formats); i++) |
1257 | if (camif_mbus_formats[i] == mf->code) |
1258 | break; |
1259 | |
1260 | if (i == ARRAY_SIZE(camif_mbus_formats)) |
1261 | mf->code = camif_mbus_formats[0]; |
1262 | |
1263 | if (pad == CAMIF_SD_PAD_SINK) { |
1264 | v4l_bound_align_image(width: &mf->width, wmin: 8, CAMIF_MAX_PIX_WIDTH, |
1265 | ffs(pix_lim->out_width_align) - 1, |
1266 | height: &mf->height, hmin: 8, CAMIF_MAX_PIX_HEIGHT, halign: 0, |
1267 | salign: 0); |
1268 | } else { |
1269 | struct v4l2_rect *crop = &camif->camif_crop; |
1270 | v4l_bound_align_image(width: &mf->width, wmin: 8, wmax: crop->width, |
1271 | ffs(pix_lim->out_width_align) - 1, |
1272 | height: &mf->height, hmin: 8, hmax: crop->height, |
1273 | halign: 0, salign: 0); |
1274 | } |
1275 | |
1276 | v4l2_dbg(1, debug, &camif->subdev, "%ux%u\n" , mf->width, mf->height); |
1277 | } |
1278 | |
1279 | static int s3c_camif_subdev_set_fmt(struct v4l2_subdev *sd, |
1280 | struct v4l2_subdev_state *sd_state, |
1281 | struct v4l2_subdev_format *fmt) |
1282 | { |
1283 | struct camif_dev *camif = v4l2_get_subdevdata(sd); |
1284 | struct v4l2_mbus_framefmt *mf = &fmt->format; |
1285 | struct v4l2_rect *crop = &camif->camif_crop; |
1286 | int i; |
1287 | |
1288 | v4l2_dbg(1, debug, sd, "pad%d: code: 0x%x, %ux%u\n" , |
1289 | fmt->pad, mf->code, mf->width, mf->height); |
1290 | |
1291 | mf->field = V4L2_FIELD_NONE; |
1292 | mf->colorspace = V4L2_COLORSPACE_JPEG; |
1293 | mutex_lock(&camif->lock); |
1294 | |
1295 | /* |
1296 | * No pixel format change at the camera input is allowed |
1297 | * while streaming. |
1298 | */ |
1299 | if (vb2_is_busy(q: &camif->vp[VP_CODEC].vb_queue) || |
1300 | vb2_is_busy(q: &camif->vp[VP_PREVIEW].vb_queue)) { |
1301 | mutex_unlock(lock: &camif->lock); |
1302 | return -EBUSY; |
1303 | } |
1304 | |
1305 | __camif_subdev_try_format(camif, mf, pad: fmt->pad); |
1306 | |
1307 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { |
1308 | mf = v4l2_subdev_state_get_format(sd_state, fmt->pad); |
1309 | *mf = fmt->format; |
1310 | mutex_unlock(lock: &camif->lock); |
1311 | return 0; |
1312 | } |
1313 | |
1314 | switch (fmt->pad) { |
1315 | case CAMIF_SD_PAD_SINK: |
1316 | camif->mbus_fmt = *mf; |
1317 | /* Reset sink crop rectangle. */ |
1318 | crop->width = mf->width; |
1319 | crop->height = mf->height; |
1320 | crop->left = 0; |
1321 | crop->top = 0; |
1322 | /* |
1323 | * Reset source format (the camif's crop rectangle) |
1324 | * and the video output resolution. |
1325 | */ |
1326 | for (i = 0; i < CAMIF_VP_NUM; i++) { |
1327 | struct camif_frame *frame = &camif->vp[i].out_frame; |
1328 | frame->rect = *crop; |
1329 | frame->f_width = mf->width; |
1330 | frame->f_height = mf->height; |
1331 | } |
1332 | break; |
1333 | |
1334 | case CAMIF_SD_PAD_SOURCE_C...CAMIF_SD_PAD_SOURCE_P: |
1335 | /* Pixel format can be only changed on the sink pad. */ |
1336 | mf->code = camif->mbus_fmt.code; |
1337 | mf->width = crop->width; |
1338 | mf->height = crop->height; |
1339 | break; |
1340 | } |
1341 | |
1342 | mutex_unlock(lock: &camif->lock); |
1343 | return 0; |
1344 | } |
1345 | |
1346 | static int s3c_camif_subdev_get_selection(struct v4l2_subdev *sd, |
1347 | struct v4l2_subdev_state *sd_state, |
1348 | struct v4l2_subdev_selection *sel) |
1349 | { |
1350 | struct camif_dev *camif = v4l2_get_subdevdata(sd); |
1351 | struct v4l2_rect *crop = &camif->camif_crop; |
1352 | struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; |
1353 | |
1354 | if ((sel->target != V4L2_SEL_TGT_CROP && |
1355 | sel->target != V4L2_SEL_TGT_CROP_BOUNDS) || |
1356 | sel->pad != CAMIF_SD_PAD_SINK) |
1357 | return -EINVAL; |
1358 | |
1359 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { |
1360 | sel->r = *v4l2_subdev_state_get_crop(sd_state, sel->pad); |
1361 | return 0; |
1362 | } |
1363 | |
1364 | mutex_lock(&camif->lock); |
1365 | |
1366 | if (sel->target == V4L2_SEL_TGT_CROP) { |
1367 | sel->r = *crop; |
1368 | } else { /* crop bounds */ |
1369 | sel->r.width = mf->width; |
1370 | sel->r.height = mf->height; |
1371 | sel->r.left = 0; |
1372 | sel->r.top = 0; |
1373 | } |
1374 | |
1375 | mutex_unlock(lock: &camif->lock); |
1376 | |
1377 | v4l2_dbg(1, debug, sd, "%s: crop: (%d,%d) %dx%d, size: %ux%u\n" , |
1378 | __func__, crop->left, crop->top, crop->width, |
1379 | crop->height, mf->width, mf->height); |
1380 | |
1381 | return 0; |
1382 | } |
1383 | |
1384 | static void __camif_try_crop(struct camif_dev *camif, struct v4l2_rect *r) |
1385 | { |
1386 | struct v4l2_mbus_framefmt *mf = &camif->mbus_fmt; |
1387 | const struct camif_pix_limits *pix_lim = &camif->variant->pix_limits; |
1388 | unsigned int left = 2 * r->left; |
1389 | unsigned int top = 2 * r->top; |
1390 | |
1391 | /* |
1392 | * Following constraints must be met: |
1393 | * - r->width + 2 * r->left = mf->width; |
1394 | * - r->height + 2 * r->top = mf->height; |
1395 | * - crop rectangle size and position must be aligned |
1396 | * to 8 or 2 pixels, depending on SoC version. |
1397 | */ |
1398 | v4l_bound_align_image(width: &r->width, wmin: 0, wmax: mf->width, |
1399 | ffs(pix_lim->win_hor_offset_align) - 1, |
1400 | height: &r->height, hmin: 0, hmax: mf->height, halign: 1, salign: 0); |
1401 | |
1402 | v4l_bound_align_image(width: &left, wmin: 0, wmax: mf->width - r->width, |
1403 | ffs(pix_lim->win_hor_offset_align), |
1404 | height: &top, hmin: 0, hmax: mf->height - r->height, halign: 2, salign: 0); |
1405 | |
1406 | r->left = left / 2; |
1407 | r->top = top / 2; |
1408 | r->width = mf->width - left; |
1409 | r->height = mf->height - top; |
1410 | /* |
1411 | * Make sure we either downscale or upscale both the pixel |
1412 | * width and height. Just return current crop rectangle if |
1413 | * this scaler constraint is not met. |
1414 | */ |
1415 | if (camif->variant->ip_revision == S3C244X_CAMIF_IP_REV && |
1416 | camif_is_streaming(camif)) { |
1417 | unsigned int i; |
1418 | |
1419 | for (i = 0; i < CAMIF_VP_NUM; i++) { |
1420 | struct v4l2_rect *or = &camif->vp[i].out_frame.rect; |
1421 | if ((or->width > r->width) == (or->height > r->height)) |
1422 | continue; |
1423 | *r = camif->camif_crop; |
1424 | pr_debug("Width/height scaling direction limitation\n" ); |
1425 | break; |
1426 | } |
1427 | } |
1428 | |
1429 | v4l2_dbg(1, debug, &camif->v4l2_dev, "crop: (%d,%d)/%dx%d, fmt: %ux%u\n" , |
1430 | r->left, r->top, r->width, r->height, mf->width, mf->height); |
1431 | } |
1432 | |
1433 | static int s3c_camif_subdev_set_selection(struct v4l2_subdev *sd, |
1434 | struct v4l2_subdev_state *sd_state, |
1435 | struct v4l2_subdev_selection *sel) |
1436 | { |
1437 | struct camif_dev *camif = v4l2_get_subdevdata(sd); |
1438 | struct v4l2_rect *crop = &camif->camif_crop; |
1439 | struct camif_scaler scaler; |
1440 | |
1441 | if (sel->target != V4L2_SEL_TGT_CROP || sel->pad != CAMIF_SD_PAD_SINK) |
1442 | return -EINVAL; |
1443 | |
1444 | mutex_lock(&camif->lock); |
1445 | __camif_try_crop(camif, r: &sel->r); |
1446 | |
1447 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { |
1448 | *v4l2_subdev_state_get_crop(sd_state, sel->pad) = sel->r; |
1449 | } else { |
1450 | unsigned long flags; |
1451 | unsigned int i; |
1452 | |
1453 | spin_lock_irqsave(&camif->slock, flags); |
1454 | *crop = sel->r; |
1455 | |
1456 | for (i = 0; i < CAMIF_VP_NUM; i++) { |
1457 | struct camif_vp *vp = &camif->vp[i]; |
1458 | scaler = vp->scaler; |
1459 | if (s3c_camif_get_scaler_config(vp, scaler: &scaler)) |
1460 | continue; |
1461 | vp->scaler = scaler; |
1462 | vp->state |= ST_VP_CONFIG; |
1463 | } |
1464 | |
1465 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
1466 | } |
1467 | mutex_unlock(lock: &camif->lock); |
1468 | |
1469 | v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %u, f_h: %u\n" , |
1470 | __func__, crop->left, crop->top, crop->width, crop->height, |
1471 | camif->mbus_fmt.width, camif->mbus_fmt.height); |
1472 | |
1473 | return 0; |
1474 | } |
1475 | |
1476 | static const struct v4l2_subdev_pad_ops s3c_camif_subdev_pad_ops = { |
1477 | .enum_mbus_code = s3c_camif_subdev_enum_mbus_code, |
1478 | .get_selection = s3c_camif_subdev_get_selection, |
1479 | .set_selection = s3c_camif_subdev_set_selection, |
1480 | .get_fmt = s3c_camif_subdev_get_fmt, |
1481 | .set_fmt = s3c_camif_subdev_set_fmt, |
1482 | }; |
1483 | |
1484 | static const struct v4l2_subdev_ops s3c_camif_subdev_ops = { |
1485 | .pad = &s3c_camif_subdev_pad_ops, |
1486 | }; |
1487 | |
1488 | static int s3c_camif_subdev_s_ctrl(struct v4l2_ctrl *ctrl) |
1489 | { |
1490 | struct camif_dev *camif = container_of(ctrl->handler, struct camif_dev, |
1491 | ctrl_handler); |
1492 | unsigned long flags; |
1493 | |
1494 | spin_lock_irqsave(&camif->slock, flags); |
1495 | |
1496 | switch (ctrl->id) { |
1497 | case V4L2_CID_COLORFX: |
1498 | camif->colorfx = camif->ctrl_colorfx->val; |
1499 | /* Set Cb, Cr */ |
1500 | switch (ctrl->val) { |
1501 | case V4L2_COLORFX_SEPIA: |
1502 | camif->colorfx_cb = 115; |
1503 | camif->colorfx_cr = 145; |
1504 | break; |
1505 | case V4L2_COLORFX_SET_CBCR: |
1506 | camif->colorfx_cb = camif->ctrl_colorfx_cbcr->val >> 8; |
1507 | camif->colorfx_cr = camif->ctrl_colorfx_cbcr->val & 0xff; |
1508 | break; |
1509 | default: |
1510 | /* for V4L2_COLORFX_BW and others */ |
1511 | camif->colorfx_cb = 128; |
1512 | camif->colorfx_cr = 128; |
1513 | } |
1514 | break; |
1515 | case V4L2_CID_TEST_PATTERN: |
1516 | camif->test_pattern = camif->ctrl_test_pattern->val; |
1517 | break; |
1518 | default: |
1519 | WARN_ON(1); |
1520 | } |
1521 | |
1522 | camif->vp[VP_CODEC].state |= ST_VP_CONFIG; |
1523 | camif->vp[VP_PREVIEW].state |= ST_VP_CONFIG; |
1524 | spin_unlock_irqrestore(lock: &camif->slock, flags); |
1525 | |
1526 | return 0; |
1527 | } |
1528 | |
1529 | static const struct v4l2_ctrl_ops s3c_camif_subdev_ctrl_ops = { |
1530 | .s_ctrl = s3c_camif_subdev_s_ctrl, |
1531 | }; |
1532 | |
1533 | static const char * const [] = { |
1534 | "Disabled" , |
1535 | "Color bars" , |
1536 | "Horizontal increment" , |
1537 | "Vertical increment" , |
1538 | }; |
1539 | |
1540 | int s3c_camif_create_subdev(struct camif_dev *camif) |
1541 | { |
1542 | struct v4l2_ctrl_handler *handler = &camif->ctrl_handler; |
1543 | struct v4l2_subdev *sd = &camif->subdev; |
1544 | int ret; |
1545 | |
1546 | v4l2_subdev_init(sd, ops: &s3c_camif_subdev_ops); |
1547 | sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE; |
1548 | strscpy(sd->name, "S3C-CAMIF" , sizeof(sd->name)); |
1549 | |
1550 | camif->pads[CAMIF_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; |
1551 | camif->pads[CAMIF_SD_PAD_SOURCE_C].flags = MEDIA_PAD_FL_SOURCE; |
1552 | camif->pads[CAMIF_SD_PAD_SOURCE_P].flags = MEDIA_PAD_FL_SOURCE; |
1553 | |
1554 | ret = media_entity_pads_init(entity: &sd->entity, CAMIF_SD_PADS_NUM, |
1555 | pads: camif->pads); |
1556 | if (ret) |
1557 | return ret; |
1558 | |
1559 | v4l2_ctrl_handler_init(handler, 3); |
1560 | camif->ctrl_test_pattern = v4l2_ctrl_new_std_menu_items(hdl: handler, |
1561 | ops: &s3c_camif_subdev_ctrl_ops, V4L2_CID_TEST_PATTERN, |
1562 | ARRAY_SIZE(s3c_camif_test_pattern_menu) - 1, mask: 0, def: 0, |
1563 | qmenu: s3c_camif_test_pattern_menu); |
1564 | |
1565 | if (camif->variant->has_img_effect) { |
1566 | camif->ctrl_colorfx = v4l2_ctrl_new_std_menu(hdl: handler, |
1567 | ops: &s3c_camif_subdev_ctrl_ops, |
1568 | V4L2_CID_COLORFX, max: V4L2_COLORFX_SET_CBCR, |
1569 | mask: ~0x981f, def: V4L2_COLORFX_NONE); |
1570 | |
1571 | camif->ctrl_colorfx_cbcr = v4l2_ctrl_new_std(hdl: handler, |
1572 | ops: &s3c_camif_subdev_ctrl_ops, |
1573 | V4L2_CID_COLORFX_CBCR, min: 0, max: 0xffff, step: 1, def: 0); |
1574 | } |
1575 | |
1576 | if (handler->error) { |
1577 | v4l2_ctrl_handler_free(hdl: handler); |
1578 | media_entity_cleanup(entity: &sd->entity); |
1579 | return handler->error; |
1580 | } |
1581 | |
1582 | if (camif->variant->has_img_effect) |
1583 | v4l2_ctrl_auto_cluster(ncontrols: 2, controls: &camif->ctrl_colorfx, |
1584 | manual_val: V4L2_COLORFX_SET_CBCR, set_volatile: false); |
1585 | |
1586 | sd->ctrl_handler = handler; |
1587 | v4l2_set_subdevdata(sd, p: camif); |
1588 | |
1589 | return 0; |
1590 | } |
1591 | |
1592 | void s3c_camif_unregister_subdev(struct camif_dev *camif) |
1593 | { |
1594 | struct v4l2_subdev *sd = &camif->subdev; |
1595 | |
1596 | /* Return if not registered */ |
1597 | if (v4l2_get_subdevdata(sd) == NULL) |
1598 | return; |
1599 | |
1600 | v4l2_device_unregister_subdev(sd); |
1601 | media_entity_cleanup(entity: &sd->entity); |
1602 | v4l2_ctrl_handler_free(hdl: &camif->ctrl_handler); |
1603 | v4l2_set_subdevdata(sd, NULL); |
1604 | } |
1605 | |
1606 | int s3c_camif_set_defaults(struct camif_dev *camif) |
1607 | { |
1608 | unsigned int ip_rev = camif->variant->ip_revision; |
1609 | int i; |
1610 | |
1611 | for (i = 0; i < CAMIF_VP_NUM; i++) { |
1612 | struct camif_vp *vp = &camif->vp[i]; |
1613 | struct camif_frame *f = &vp->out_frame; |
1614 | |
1615 | vp->camif = camif; |
1616 | vp->id = i; |
1617 | vp->offset = camif->variant->vp_offset; |
1618 | |
1619 | if (ip_rev == S3C244X_CAMIF_IP_REV) |
1620 | vp->fmt_flags = i ? FMT_FL_S3C24XX_PREVIEW : |
1621 | FMT_FL_S3C24XX_CODEC; |
1622 | else |
1623 | vp->fmt_flags = FMT_FL_S3C64XX; |
1624 | |
1625 | vp->out_fmt = s3c_camif_find_format(vp, NULL, index: 0); |
1626 | BUG_ON(vp->out_fmt == NULL); |
1627 | |
1628 | memset(f, 0, sizeof(*f)); |
1629 | f->f_width = CAMIF_DEF_WIDTH; |
1630 | f->f_height = CAMIF_DEF_HEIGHT; |
1631 | f->rect.width = CAMIF_DEF_WIDTH; |
1632 | f->rect.height = CAMIF_DEF_HEIGHT; |
1633 | |
1634 | /* Scaler is always enabled */ |
1635 | vp->scaler.enable = 1; |
1636 | |
1637 | vp->payload = (f->f_width * f->f_height * |
1638 | vp->out_fmt->depth) / 8; |
1639 | } |
1640 | |
1641 | memset(&camif->mbus_fmt, 0, sizeof(camif->mbus_fmt)); |
1642 | camif->mbus_fmt.width = CAMIF_DEF_WIDTH; |
1643 | camif->mbus_fmt.height = CAMIF_DEF_HEIGHT; |
1644 | camif->mbus_fmt.code = camif_mbus_formats[0]; |
1645 | |
1646 | memset(&camif->camif_crop, 0, sizeof(camif->camif_crop)); |
1647 | camif->camif_crop.width = CAMIF_DEF_WIDTH; |
1648 | camif->camif_crop.height = CAMIF_DEF_HEIGHT; |
1649 | |
1650 | return 0; |
1651 | } |
1652 | |