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4af81310 SN |
1 | /* |
2 | * Samsung EXYNOS FIMC-LITE (camera host interface) driver | |
3 | * | |
4 | * Copyright (C) 2012 Samsung Electronics Co., Ltd. | |
5 | * Sylwester Nawrocki <s.nawrocki@samsung.com> | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | #define pr_fmt(fmt) "%s:%d " fmt, __func__, __LINE__ | |
12 | ||
13 | #include <linux/bug.h> | |
14 | #include <linux/device.h> | |
15 | #include <linux/errno.h> | |
16 | #include <linux/interrupt.h> | |
17 | #include <linux/kernel.h> | |
18 | #include <linux/list.h> | |
19 | #include <linux/module.h> | |
20 | #include <linux/types.h> | |
21 | #include <linux/platform_device.h> | |
22 | #include <linux/pm_runtime.h> | |
23 | #include <linux/slab.h> | |
24 | #include <linux/videodev2.h> | |
25 | ||
26 | #include <media/v4l2-device.h> | |
27 | #include <media/v4l2-ioctl.h> | |
28 | #include <media/v4l2-mem2mem.h> | |
29 | #include <media/videobuf2-core.h> | |
30 | #include <media/videobuf2-dma-contig.h> | |
b9ee31e6 | 31 | #include <media/s5p_fimc.h> |
4af81310 SN |
32 | |
33 | #include "fimc-mdevice.h" | |
34 | #include "fimc-core.h" | |
b9ee31e6 | 35 | #include "fimc-lite.h" |
4af81310 SN |
36 | #include "fimc-lite-reg.h" |
37 | ||
38 | static int debug; | |
39 | module_param(debug, int, 0644); | |
40 | ||
41 | static const struct fimc_fmt fimc_lite_formats[] = { | |
42 | { | |
43 | .name = "YUV 4:2:2 packed, YCbYCr", | |
44 | .fourcc = V4L2_PIX_FMT_YUYV, | |
45 | .depth = { 16 }, | |
46 | .color = FIMC_FMT_YCBYCR422, | |
47 | .memplanes = 1, | |
48 | .mbus_code = V4L2_MBUS_FMT_YUYV8_2X8, | |
49 | }, { | |
50 | .name = "YUV 4:2:2 packed, CbYCrY", | |
51 | .fourcc = V4L2_PIX_FMT_UYVY, | |
52 | .depth = { 16 }, | |
53 | .color = FIMC_FMT_CBYCRY422, | |
54 | .memplanes = 1, | |
55 | .mbus_code = V4L2_MBUS_FMT_UYVY8_2X8, | |
56 | }, { | |
57 | .name = "YUV 4:2:2 packed, CrYCbY", | |
58 | .fourcc = V4L2_PIX_FMT_VYUY, | |
59 | .depth = { 16 }, | |
60 | .color = FIMC_FMT_CRYCBY422, | |
61 | .memplanes = 1, | |
62 | .mbus_code = V4L2_MBUS_FMT_VYUY8_2X8, | |
63 | }, { | |
64 | .name = "YUV 4:2:2 packed, YCrYCb", | |
65 | .fourcc = V4L2_PIX_FMT_YVYU, | |
66 | .depth = { 16 }, | |
67 | .color = FIMC_FMT_YCRYCB422, | |
68 | .memplanes = 1, | |
69 | .mbus_code = V4L2_MBUS_FMT_YVYU8_2X8, | |
70 | }, { | |
71 | .name = "RAW8 (GRBG)", | |
72 | .fourcc = V4L2_PIX_FMT_SGRBG8, | |
73 | .depth = { 8 }, | |
74 | .color = FIMC_FMT_RAW8, | |
75 | .memplanes = 1, | |
76 | .mbus_code = V4L2_MBUS_FMT_SGRBG8_1X8, | |
77 | }, { | |
78 | .name = "RAW10 (GRBG)", | |
79 | .fourcc = V4L2_PIX_FMT_SGRBG10, | |
80 | .depth = { 10 }, | |
81 | .color = FIMC_FMT_RAW10, | |
82 | .memplanes = 1, | |
83 | .mbus_code = V4L2_MBUS_FMT_SGRBG10_1X10, | |
84 | }, { | |
85 | .name = "RAW12 (GRBG)", | |
86 | .fourcc = V4L2_PIX_FMT_SGRBG12, | |
87 | .depth = { 12 }, | |
88 | .color = FIMC_FMT_RAW12, | |
89 | .memplanes = 1, | |
90 | .mbus_code = V4L2_MBUS_FMT_SGRBG12_1X12, | |
91 | }, | |
92 | }; | |
93 | ||
94 | /** | |
95 | * fimc_lite_find_format - lookup fimc color format by fourcc or media bus code | |
96 | * @pixelformat: fourcc to match, ignored if null | |
97 | * @mbus_code: media bus code to match, ignored if null | |
98 | * @index: index to the fimc_lite_formats array, ignored if negative | |
99 | */ | |
100 | static const struct fimc_fmt *fimc_lite_find_format(const u32 *pixelformat, | |
101 | const u32 *mbus_code, int index) | |
102 | { | |
103 | const struct fimc_fmt *fmt, *def_fmt = NULL; | |
104 | unsigned int i; | |
105 | int id = 0; | |
106 | ||
107 | if (index >= (int)ARRAY_SIZE(fimc_lite_formats)) | |
108 | return NULL; | |
109 | ||
110 | for (i = 0; i < ARRAY_SIZE(fimc_lite_formats); ++i) { | |
111 | fmt = &fimc_lite_formats[i]; | |
112 | if (pixelformat && fmt->fourcc == *pixelformat) | |
113 | return fmt; | |
114 | if (mbus_code && fmt->mbus_code == *mbus_code) | |
115 | return fmt; | |
116 | if (index == id) | |
117 | def_fmt = fmt; | |
118 | id++; | |
119 | } | |
120 | return def_fmt; | |
121 | } | |
122 | ||
123 | static int fimc_lite_hw_init(struct fimc_lite *fimc) | |
124 | { | |
125 | struct fimc_pipeline *pipeline = &fimc->pipeline; | |
126 | struct fimc_sensor_info *sensor; | |
127 | unsigned long flags; | |
128 | ||
129 | if (pipeline->subdevs[IDX_SENSOR] == NULL) | |
130 | return -ENXIO; | |
131 | ||
132 | if (fimc->fmt == NULL) | |
133 | return -EINVAL; | |
134 | ||
135 | sensor = v4l2_get_subdev_hostdata(pipeline->subdevs[IDX_SENSOR]); | |
136 | spin_lock_irqsave(&fimc->slock, flags); | |
137 | ||
6612a082 | 138 | flite_hw_set_camera_bus(fimc, &sensor->pdata); |
4af81310 SN |
139 | flite_hw_set_source_format(fimc, &fimc->inp_frame); |
140 | flite_hw_set_window_offset(fimc, &fimc->inp_frame); | |
141 | flite_hw_set_output_dma(fimc, &fimc->out_frame, true); | |
142 | flite_hw_set_interrupt_mask(fimc); | |
143 | flite_hw_set_test_pattern(fimc, fimc->test_pattern->val); | |
144 | ||
145 | if (debug > 0) | |
146 | flite_hw_dump_regs(fimc, __func__); | |
147 | ||
148 | spin_unlock_irqrestore(&fimc->slock, flags); | |
149 | return 0; | |
150 | } | |
151 | ||
152 | /* | |
153 | * Reinitialize the driver so it is ready to start the streaming again. | |
154 | * Set fimc->state to indicate stream off and the hardware shut down state. | |
155 | * If not suspending (@suspend is false), return any buffers to videobuf2. | |
156 | * Otherwise put any owned buffers onto the pending buffers queue, so they | |
157 | * can be re-spun when the device is being resumed. Also perform FIMC | |
158 | * software reset and disable streaming on the whole pipeline if required. | |
159 | */ | |
160 | static int fimc_lite_reinit(struct fimc_lite *fimc, bool suspend) | |
161 | { | |
162 | struct flite_buffer *buf; | |
163 | unsigned long flags; | |
164 | bool streaming; | |
165 | ||
166 | spin_lock_irqsave(&fimc->slock, flags); | |
167 | streaming = fimc->state & (1 << ST_SENSOR_STREAM); | |
168 | ||
169 | fimc->state &= ~(1 << ST_FLITE_RUN | 1 << ST_FLITE_OFF | | |
170 | 1 << ST_FLITE_STREAM | 1 << ST_SENSOR_STREAM); | |
171 | if (suspend) | |
172 | fimc->state |= (1 << ST_FLITE_SUSPENDED); | |
173 | else | |
174 | fimc->state &= ~(1 << ST_FLITE_PENDING | | |
175 | 1 << ST_FLITE_SUSPENDED); | |
176 | ||
177 | /* Release unused buffers */ | |
178 | while (!suspend && !list_empty(&fimc->pending_buf_q)) { | |
179 | buf = fimc_lite_pending_queue_pop(fimc); | |
180 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
181 | } | |
182 | /* If suspending put unused buffers onto pending queue */ | |
183 | while (!list_empty(&fimc->active_buf_q)) { | |
184 | buf = fimc_lite_active_queue_pop(fimc); | |
185 | if (suspend) | |
186 | fimc_lite_pending_queue_add(fimc, buf); | |
187 | else | |
188 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_ERROR); | |
189 | } | |
190 | ||
191 | spin_unlock_irqrestore(&fimc->slock, flags); | |
192 | ||
193 | flite_hw_reset(fimc); | |
194 | ||
195 | if (!streaming) | |
196 | return 0; | |
197 | ||
b9ee31e6 | 198 | return fimc_pipeline_call(fimc, set_stream, &fimc->pipeline, 0); |
4af81310 SN |
199 | } |
200 | ||
201 | static int fimc_lite_stop_capture(struct fimc_lite *fimc, bool suspend) | |
202 | { | |
203 | unsigned long flags; | |
204 | ||
205 | if (!fimc_lite_active(fimc)) | |
206 | return 0; | |
207 | ||
208 | spin_lock_irqsave(&fimc->slock, flags); | |
209 | set_bit(ST_FLITE_OFF, &fimc->state); | |
210 | flite_hw_capture_stop(fimc); | |
211 | spin_unlock_irqrestore(&fimc->slock, flags); | |
212 | ||
213 | wait_event_timeout(fimc->irq_queue, | |
214 | !test_bit(ST_FLITE_OFF, &fimc->state), | |
215 | (2*HZ/10)); /* 200 ms */ | |
216 | ||
217 | return fimc_lite_reinit(fimc, suspend); | |
218 | } | |
219 | ||
220 | /* Must be called with fimc.slock spinlock held. */ | |
221 | static void fimc_lite_config_update(struct fimc_lite *fimc) | |
222 | { | |
223 | flite_hw_set_window_offset(fimc, &fimc->inp_frame); | |
224 | flite_hw_set_dma_window(fimc, &fimc->out_frame); | |
225 | flite_hw_set_test_pattern(fimc, fimc->test_pattern->val); | |
226 | clear_bit(ST_FLITE_CONFIG, &fimc->state); | |
227 | } | |
228 | ||
229 | static irqreturn_t flite_irq_handler(int irq, void *priv) | |
230 | { | |
231 | struct fimc_lite *fimc = priv; | |
232 | struct flite_buffer *vbuf; | |
233 | unsigned long flags; | |
234 | struct timeval *tv; | |
235 | struct timespec ts; | |
236 | u32 intsrc; | |
237 | ||
238 | spin_lock_irqsave(&fimc->slock, flags); | |
239 | ||
240 | intsrc = flite_hw_get_interrupt_source(fimc); | |
241 | flite_hw_clear_pending_irq(fimc); | |
242 | ||
243 | if (test_and_clear_bit(ST_FLITE_OFF, &fimc->state)) { | |
244 | wake_up(&fimc->irq_queue); | |
245 | goto done; | |
246 | } | |
247 | ||
248 | if (intsrc & FLITE_REG_CISTATUS_IRQ_SRC_OVERFLOW) { | |
249 | clear_bit(ST_FLITE_RUN, &fimc->state); | |
250 | fimc->events.data_overflow++; | |
251 | } | |
252 | ||
253 | if (intsrc & FLITE_REG_CISTATUS_IRQ_SRC_LASTCAPEND) { | |
254 | flite_hw_clear_last_capture_end(fimc); | |
255 | clear_bit(ST_FLITE_STREAM, &fimc->state); | |
256 | wake_up(&fimc->irq_queue); | |
257 | } | |
258 | ||
259 | if (fimc->out_path != FIMC_IO_DMA) | |
260 | goto done; | |
261 | ||
262 | if ((intsrc & FLITE_REG_CISTATUS_IRQ_SRC_FRMSTART) && | |
263 | test_bit(ST_FLITE_RUN, &fimc->state) && | |
264 | !list_empty(&fimc->active_buf_q) && | |
265 | !list_empty(&fimc->pending_buf_q)) { | |
266 | vbuf = fimc_lite_active_queue_pop(fimc); | |
267 | ktime_get_ts(&ts); | |
268 | tv = &vbuf->vb.v4l2_buf.timestamp; | |
269 | tv->tv_sec = ts.tv_sec; | |
270 | tv->tv_usec = ts.tv_nsec / NSEC_PER_USEC; | |
271 | vbuf->vb.v4l2_buf.sequence = fimc->frame_count++; | |
272 | vb2_buffer_done(&vbuf->vb, VB2_BUF_STATE_DONE); | |
273 | ||
274 | vbuf = fimc_lite_pending_queue_pop(fimc); | |
275 | flite_hw_set_output_addr(fimc, vbuf->paddr); | |
276 | fimc_lite_active_queue_add(fimc, vbuf); | |
277 | } | |
278 | ||
279 | if (test_bit(ST_FLITE_CONFIG, &fimc->state)) | |
280 | fimc_lite_config_update(fimc); | |
281 | ||
282 | if (list_empty(&fimc->pending_buf_q)) { | |
283 | flite_hw_capture_stop(fimc); | |
284 | clear_bit(ST_FLITE_STREAM, &fimc->state); | |
285 | } | |
286 | done: | |
287 | set_bit(ST_FLITE_RUN, &fimc->state); | |
288 | spin_unlock_irqrestore(&fimc->slock, flags); | |
289 | return IRQ_HANDLED; | |
290 | } | |
291 | ||
292 | static int start_streaming(struct vb2_queue *q, unsigned int count) | |
293 | { | |
294 | struct fimc_lite *fimc = q->drv_priv; | |
295 | int ret; | |
296 | ||
297 | fimc->frame_count = 0; | |
298 | ||
299 | ret = fimc_lite_hw_init(fimc); | |
300 | if (ret) { | |
301 | fimc_lite_reinit(fimc, false); | |
302 | return ret; | |
303 | } | |
304 | ||
305 | set_bit(ST_FLITE_PENDING, &fimc->state); | |
306 | ||
307 | if (!list_empty(&fimc->active_buf_q) && | |
308 | !test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) { | |
309 | flite_hw_capture_start(fimc); | |
310 | ||
311 | if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state)) | |
b9ee31e6 SN |
312 | fimc_pipeline_call(fimc, set_stream, |
313 | &fimc->pipeline, 1); | |
4af81310 SN |
314 | } |
315 | if (debug > 0) | |
316 | flite_hw_dump_regs(fimc, __func__); | |
317 | ||
318 | return 0; | |
319 | } | |
320 | ||
321 | static int stop_streaming(struct vb2_queue *q) | |
322 | { | |
323 | struct fimc_lite *fimc = q->drv_priv; | |
324 | ||
325 | if (!fimc_lite_active(fimc)) | |
326 | return -EINVAL; | |
327 | ||
328 | return fimc_lite_stop_capture(fimc, false); | |
329 | } | |
330 | ||
331 | static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *pfmt, | |
332 | unsigned int *num_buffers, unsigned int *num_planes, | |
333 | unsigned int sizes[], void *allocators[]) | |
334 | { | |
335 | const struct v4l2_pix_format_mplane *pixm = NULL; | |
336 | struct fimc_lite *fimc = vq->drv_priv; | |
337 | struct flite_frame *frame = &fimc->out_frame; | |
338 | const struct fimc_fmt *fmt = fimc->fmt; | |
339 | unsigned long wh; | |
340 | int i; | |
341 | ||
342 | if (pfmt) { | |
343 | pixm = &pfmt->fmt.pix_mp; | |
344 | fmt = fimc_lite_find_format(&pixm->pixelformat, NULL, -1); | |
345 | wh = pixm->width * pixm->height; | |
346 | } else { | |
347 | wh = frame->f_width * frame->f_height; | |
348 | } | |
349 | ||
350 | if (fmt == NULL) | |
351 | return -EINVAL; | |
352 | ||
353 | *num_planes = fmt->memplanes; | |
354 | ||
355 | for (i = 0; i < fmt->memplanes; i++) { | |
356 | unsigned int size = (wh * fmt->depth[i]) / 8; | |
357 | if (pixm) | |
358 | sizes[i] = max(size, pixm->plane_fmt[i].sizeimage); | |
359 | else | |
360 | sizes[i] = size; | |
361 | allocators[i] = fimc->alloc_ctx; | |
362 | } | |
363 | ||
364 | return 0; | |
365 | } | |
366 | ||
367 | static int buffer_prepare(struct vb2_buffer *vb) | |
368 | { | |
369 | struct vb2_queue *vq = vb->vb2_queue; | |
370 | struct fimc_lite *fimc = vq->drv_priv; | |
371 | int i; | |
372 | ||
373 | if (fimc->fmt == NULL) | |
374 | return -EINVAL; | |
375 | ||
376 | for (i = 0; i < fimc->fmt->memplanes; i++) { | |
377 | unsigned long size = fimc->payload[i]; | |
378 | ||
379 | if (vb2_plane_size(vb, i) < size) { | |
1bcd7041 | 380 | v4l2_err(&fimc->vfd, |
4af81310 SN |
381 | "User buffer too small (%ld < %ld)\n", |
382 | vb2_plane_size(vb, i), size); | |
383 | return -EINVAL; | |
384 | } | |
385 | vb2_set_plane_payload(vb, i, size); | |
386 | } | |
387 | ||
388 | return 0; | |
389 | } | |
390 | ||
391 | static void buffer_queue(struct vb2_buffer *vb) | |
392 | { | |
393 | struct flite_buffer *buf | |
394 | = container_of(vb, struct flite_buffer, vb); | |
395 | struct fimc_lite *fimc = vb2_get_drv_priv(vb->vb2_queue); | |
396 | unsigned long flags; | |
397 | ||
398 | spin_lock_irqsave(&fimc->slock, flags); | |
399 | buf->paddr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
400 | ||
401 | if (!test_bit(ST_FLITE_SUSPENDED, &fimc->state) && | |
402 | !test_bit(ST_FLITE_STREAM, &fimc->state) && | |
403 | list_empty(&fimc->active_buf_q)) { | |
404 | flite_hw_set_output_addr(fimc, buf->paddr); | |
405 | fimc_lite_active_queue_add(fimc, buf); | |
406 | } else { | |
407 | fimc_lite_pending_queue_add(fimc, buf); | |
408 | } | |
409 | ||
410 | if (vb2_is_streaming(&fimc->vb_queue) && | |
411 | !list_empty(&fimc->pending_buf_q) && | |
412 | !test_and_set_bit(ST_FLITE_STREAM, &fimc->state)) { | |
413 | flite_hw_capture_start(fimc); | |
414 | spin_unlock_irqrestore(&fimc->slock, flags); | |
415 | ||
416 | if (!test_and_set_bit(ST_SENSOR_STREAM, &fimc->state)) | |
b9ee31e6 SN |
417 | fimc_pipeline_call(fimc, set_stream, |
418 | &fimc->pipeline, 1); | |
4af81310 SN |
419 | return; |
420 | } | |
421 | spin_unlock_irqrestore(&fimc->slock, flags); | |
422 | } | |
423 | ||
424 | static void fimc_lock(struct vb2_queue *vq) | |
425 | { | |
426 | struct fimc_lite *fimc = vb2_get_drv_priv(vq); | |
427 | mutex_lock(&fimc->lock); | |
428 | } | |
429 | ||
430 | static void fimc_unlock(struct vb2_queue *vq) | |
431 | { | |
432 | struct fimc_lite *fimc = vb2_get_drv_priv(vq); | |
433 | mutex_unlock(&fimc->lock); | |
434 | } | |
435 | ||
436 | static const struct vb2_ops fimc_lite_qops = { | |
437 | .queue_setup = queue_setup, | |
438 | .buf_prepare = buffer_prepare, | |
439 | .buf_queue = buffer_queue, | |
440 | .wait_prepare = fimc_unlock, | |
441 | .wait_finish = fimc_lock, | |
442 | .start_streaming = start_streaming, | |
443 | .stop_streaming = stop_streaming, | |
444 | }; | |
445 | ||
446 | static void fimc_lite_clear_event_counters(struct fimc_lite *fimc) | |
447 | { | |
448 | unsigned long flags; | |
449 | ||
450 | spin_lock_irqsave(&fimc->slock, flags); | |
451 | memset(&fimc->events, 0, sizeof(fimc->events)); | |
452 | spin_unlock_irqrestore(&fimc->slock, flags); | |
453 | } | |
454 | ||
455 | static int fimc_lite_open(struct file *file) | |
456 | { | |
457 | struct fimc_lite *fimc = video_drvdata(file); | |
e3fc82e8 | 458 | int ret; |
4af81310 | 459 | |
4e39da01 SN |
460 | if (mutex_lock_interruptible(&fimc->lock)) |
461 | return -ERESTARTSYS; | |
4af81310 SN |
462 | |
463 | set_bit(ST_FLITE_IN_USE, &fimc->state); | |
e3fc82e8 SN |
464 | ret = pm_runtime_get_sync(&fimc->pdev->dev); |
465 | if (ret < 0) | |
4e39da01 | 466 | goto done; |
4af81310 | 467 | |
e3fc82e8 SN |
468 | ret = v4l2_fh_open(file); |
469 | if (ret < 0) | |
4e39da01 | 470 | goto done; |
4af81310 | 471 | |
4e39da01 | 472 | if (++fimc->ref_count == 1 && fimc->out_path == FIMC_IO_DMA) { |
b9ee31e6 SN |
473 | ret = fimc_pipeline_call(fimc, open, &fimc->pipeline, |
474 | &fimc->vfd.entity, true); | |
4e39da01 SN |
475 | if (ret < 0) { |
476 | pm_runtime_put_sync(&fimc->pdev->dev); | |
477 | fimc->ref_count--; | |
478 | v4l2_fh_release(file); | |
479 | clear_bit(ST_FLITE_IN_USE, &fimc->state); | |
480 | } | |
4af81310 | 481 | |
4e39da01 SN |
482 | fimc_lite_clear_event_counters(fimc); |
483 | } | |
484 | done: | |
485 | mutex_unlock(&fimc->lock); | |
4af81310 SN |
486 | return ret; |
487 | } | |
488 | ||
489 | static int fimc_lite_close(struct file *file) | |
490 | { | |
491 | struct fimc_lite *fimc = video_drvdata(file); | |
4e39da01 SN |
492 | int ret; |
493 | ||
494 | if (mutex_lock_interruptible(&fimc->lock)) | |
495 | return -ERESTARTSYS; | |
4af81310 SN |
496 | |
497 | if (--fimc->ref_count == 0 && fimc->out_path == FIMC_IO_DMA) { | |
498 | clear_bit(ST_FLITE_IN_USE, &fimc->state); | |
499 | fimc_lite_stop_capture(fimc, false); | |
b9ee31e6 | 500 | fimc_pipeline_call(fimc, close, &fimc->pipeline); |
4af81310 SN |
501 | clear_bit(ST_FLITE_SUSPENDED, &fimc->state); |
502 | } | |
503 | ||
504 | pm_runtime_put(&fimc->pdev->dev); | |
505 | ||
506 | if (fimc->ref_count == 0) | |
507 | vb2_queue_release(&fimc->vb_queue); | |
508 | ||
4e39da01 SN |
509 | ret = v4l2_fh_release(file); |
510 | ||
511 | mutex_unlock(&fimc->lock); | |
512 | return ret; | |
4af81310 SN |
513 | } |
514 | ||
515 | static unsigned int fimc_lite_poll(struct file *file, | |
516 | struct poll_table_struct *wait) | |
517 | { | |
518 | struct fimc_lite *fimc = video_drvdata(file); | |
4e39da01 SN |
519 | int ret; |
520 | ||
521 | if (mutex_lock_interruptible(&fimc->lock)) | |
522 | return POLL_ERR; | |
523 | ||
524 | ret = vb2_poll(&fimc->vb_queue, file, wait); | |
525 | mutex_unlock(&fimc->lock); | |
526 | ||
527 | return ret; | |
4af81310 SN |
528 | } |
529 | ||
530 | static int fimc_lite_mmap(struct file *file, struct vm_area_struct *vma) | |
531 | { | |
532 | struct fimc_lite *fimc = video_drvdata(file); | |
4e39da01 SN |
533 | int ret; |
534 | ||
535 | if (mutex_lock_interruptible(&fimc->lock)) | |
536 | return -ERESTARTSYS; | |
537 | ||
538 | ret = vb2_mmap(&fimc->vb_queue, vma); | |
539 | mutex_unlock(&fimc->lock); | |
540 | ||
541 | return ret; | |
4af81310 SN |
542 | } |
543 | ||
544 | static const struct v4l2_file_operations fimc_lite_fops = { | |
545 | .owner = THIS_MODULE, | |
546 | .open = fimc_lite_open, | |
547 | .release = fimc_lite_close, | |
548 | .poll = fimc_lite_poll, | |
549 | .unlocked_ioctl = video_ioctl2, | |
550 | .mmap = fimc_lite_mmap, | |
551 | }; | |
552 | ||
553 | /* | |
554 | * Format and crop negotiation helpers | |
555 | */ | |
556 | ||
557 | static const struct fimc_fmt *fimc_lite_try_format(struct fimc_lite *fimc, | |
558 | u32 *width, u32 *height, | |
559 | u32 *code, u32 *fourcc, int pad) | |
560 | { | |
561 | struct flite_variant *variant = fimc->variant; | |
562 | const struct fimc_fmt *fmt; | |
563 | ||
564 | fmt = fimc_lite_find_format(fourcc, code, 0); | |
565 | if (WARN_ON(!fmt)) | |
566 | return NULL; | |
567 | ||
568 | if (code) | |
569 | *code = fmt->mbus_code; | |
570 | if (fourcc) | |
571 | *fourcc = fmt->fourcc; | |
572 | ||
573 | if (pad == FLITE_SD_PAD_SINK) { | |
574 | v4l_bound_align_image(width, 8, variant->max_width, | |
575 | ffs(variant->out_width_align) - 1, | |
576 | height, 0, variant->max_height, 0, 0); | |
577 | } else { | |
578 | v4l_bound_align_image(width, 8, fimc->inp_frame.rect.width, | |
579 | ffs(variant->out_width_align) - 1, | |
580 | height, 0, fimc->inp_frame.rect.height, | |
581 | 0, 0); | |
582 | } | |
583 | ||
584 | v4l2_dbg(1, debug, &fimc->subdev, "code: 0x%x, %dx%d\n", | |
585 | code ? *code : 0, *width, *height); | |
586 | ||
587 | return fmt; | |
588 | } | |
589 | ||
590 | static void fimc_lite_try_crop(struct fimc_lite *fimc, struct v4l2_rect *r) | |
591 | { | |
592 | struct flite_frame *frame = &fimc->inp_frame; | |
593 | ||
594 | v4l_bound_align_image(&r->width, 0, frame->f_width, 0, | |
595 | &r->height, 0, frame->f_height, 0, 0); | |
596 | ||
597 | /* Adjust left/top if cropping rectangle got out of bounds */ | |
598 | r->left = clamp_t(u32, r->left, 0, frame->f_width - r->width); | |
599 | r->left = round_down(r->left, fimc->variant->win_hor_offs_align); | |
600 | r->top = clamp_t(u32, r->top, 0, frame->f_height - r->height); | |
601 | ||
602 | v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, sink fmt: %dx%d", | |
603 | r->left, r->top, r->width, r->height, | |
604 | frame->f_width, frame->f_height); | |
605 | } | |
606 | ||
607 | static void fimc_lite_try_compose(struct fimc_lite *fimc, struct v4l2_rect *r) | |
608 | { | |
609 | struct flite_frame *frame = &fimc->out_frame; | |
610 | struct v4l2_rect *crop_rect = &fimc->inp_frame.rect; | |
611 | ||
612 | /* Scaling is not supported so we enforce compose rectangle size | |
613 | same as size of the sink crop rectangle. */ | |
614 | r->width = crop_rect->width; | |
615 | r->height = crop_rect->height; | |
616 | ||
617 | /* Adjust left/top if the composing rectangle got out of bounds */ | |
618 | r->left = clamp_t(u32, r->left, 0, frame->f_width - r->width); | |
619 | r->left = round_down(r->left, fimc->variant->out_hor_offs_align); | |
620 | r->top = clamp_t(u32, r->top, 0, fimc->out_frame.f_height - r->height); | |
621 | ||
622 | v4l2_dbg(1, debug, &fimc->subdev, "(%d,%d)/%dx%d, source fmt: %dx%d", | |
623 | r->left, r->top, r->width, r->height, | |
624 | frame->f_width, frame->f_height); | |
625 | } | |
626 | ||
627 | /* | |
628 | * Video node ioctl operations | |
629 | */ | |
630 | static int fimc_vidioc_querycap_capture(struct file *file, void *priv, | |
631 | struct v4l2_capability *cap) | |
632 | { | |
633 | strlcpy(cap->driver, FIMC_LITE_DRV_NAME, sizeof(cap->driver)); | |
634 | cap->bus_info[0] = 0; | |
635 | cap->card[0] = 0; | |
636 | cap->capabilities = V4L2_CAP_STREAMING; | |
637 | return 0; | |
638 | } | |
639 | ||
640 | static int fimc_lite_enum_fmt_mplane(struct file *file, void *priv, | |
641 | struct v4l2_fmtdesc *f) | |
642 | { | |
643 | const struct fimc_fmt *fmt; | |
644 | ||
645 | if (f->index >= ARRAY_SIZE(fimc_lite_formats)) | |
646 | return -EINVAL; | |
647 | ||
648 | fmt = &fimc_lite_formats[f->index]; | |
649 | strlcpy(f->description, fmt->name, sizeof(f->description)); | |
650 | f->pixelformat = fmt->fourcc; | |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
655 | static int fimc_lite_g_fmt_mplane(struct file *file, void *fh, | |
656 | struct v4l2_format *f) | |
657 | { | |
658 | struct fimc_lite *fimc = video_drvdata(file); | |
659 | struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp; | |
660 | struct v4l2_plane_pix_format *plane_fmt = &pixm->plane_fmt[0]; | |
661 | struct flite_frame *frame = &fimc->out_frame; | |
662 | const struct fimc_fmt *fmt = fimc->fmt; | |
663 | ||
664 | plane_fmt->bytesperline = (frame->f_width * fmt->depth[0]) / 8; | |
665 | plane_fmt->sizeimage = plane_fmt->bytesperline * frame->f_height; | |
666 | ||
667 | pixm->num_planes = fmt->memplanes; | |
668 | pixm->pixelformat = fmt->fourcc; | |
669 | pixm->width = frame->f_width; | |
670 | pixm->height = frame->f_height; | |
671 | pixm->field = V4L2_FIELD_NONE; | |
672 | pixm->colorspace = V4L2_COLORSPACE_JPEG; | |
673 | return 0; | |
674 | } | |
675 | ||
676 | static int fimc_lite_try_fmt(struct fimc_lite *fimc, | |
677 | struct v4l2_pix_format_mplane *pixm, | |
678 | const struct fimc_fmt **ffmt) | |
679 | { | |
680 | struct flite_variant *variant = fimc->variant; | |
681 | u32 bpl = pixm->plane_fmt[0].bytesperline; | |
682 | const struct fimc_fmt *fmt; | |
683 | ||
684 | fmt = fimc_lite_find_format(&pixm->pixelformat, NULL, 0); | |
685 | if (WARN_ON(fmt == NULL)) | |
686 | return -EINVAL; | |
687 | if (ffmt) | |
688 | *ffmt = fmt; | |
689 | v4l_bound_align_image(&pixm->width, 8, variant->max_width, | |
690 | ffs(variant->out_width_align) - 1, | |
691 | &pixm->height, 0, variant->max_height, 0, 0); | |
692 | ||
693 | if ((bpl == 0 || ((bpl * 8) / fmt->depth[0]) < pixm->width)) | |
694 | pixm->plane_fmt[0].bytesperline = (pixm->width * | |
695 | fmt->depth[0]) / 8; | |
696 | ||
697 | if (pixm->plane_fmt[0].sizeimage == 0) | |
698 | pixm->plane_fmt[0].sizeimage = (pixm->width * pixm->height * | |
699 | fmt->depth[0]) / 8; | |
700 | pixm->num_planes = fmt->memplanes; | |
701 | pixm->pixelformat = fmt->fourcc; | |
702 | pixm->colorspace = V4L2_COLORSPACE_JPEG; | |
703 | pixm->field = V4L2_FIELD_NONE; | |
704 | return 0; | |
705 | } | |
706 | ||
707 | static int fimc_lite_try_fmt_mplane(struct file *file, void *fh, | |
708 | struct v4l2_format *f) | |
709 | { | |
710 | struct fimc_lite *fimc = video_drvdata(file); | |
711 | ||
712 | return fimc_lite_try_fmt(fimc, &f->fmt.pix_mp, NULL); | |
713 | } | |
714 | ||
715 | static int fimc_lite_s_fmt_mplane(struct file *file, void *priv, | |
716 | struct v4l2_format *f) | |
717 | { | |
718 | struct v4l2_pix_format_mplane *pixm = &f->fmt.pix_mp; | |
719 | struct fimc_lite *fimc = video_drvdata(file); | |
720 | struct flite_frame *frame = &fimc->out_frame; | |
721 | const struct fimc_fmt *fmt = NULL; | |
722 | int ret; | |
723 | ||
724 | if (vb2_is_busy(&fimc->vb_queue)) | |
725 | return -EBUSY; | |
726 | ||
727 | ret = fimc_lite_try_fmt(fimc, &f->fmt.pix_mp, &fmt); | |
728 | if (ret < 0) | |
729 | return ret; | |
730 | ||
731 | fimc->fmt = fmt; | |
732 | fimc->payload[0] = max((pixm->width * pixm->height * fmt->depth[0]) / 8, | |
733 | pixm->plane_fmt[0].sizeimage); | |
734 | frame->f_width = pixm->width; | |
735 | frame->f_height = pixm->height; | |
736 | ||
737 | return 0; | |
738 | } | |
739 | ||
740 | static int fimc_pipeline_validate(struct fimc_lite *fimc) | |
741 | { | |
742 | struct v4l2_subdev *sd = &fimc->subdev; | |
743 | struct v4l2_subdev_format sink_fmt, src_fmt; | |
744 | struct media_pad *pad; | |
745 | int ret; | |
746 | ||
747 | while (1) { | |
748 | /* Retrieve format at the sink pad */ | |
749 | pad = &sd->entity.pads[0]; | |
750 | if (!(pad->flags & MEDIA_PAD_FL_SINK)) | |
751 | break; | |
752 | /* Don't call FIMC subdev operation to avoid nested locking */ | |
753 | if (sd == &fimc->subdev) { | |
754 | struct flite_frame *ff = &fimc->out_frame; | |
755 | sink_fmt.format.width = ff->f_width; | |
756 | sink_fmt.format.height = ff->f_height; | |
757 | sink_fmt.format.code = fimc->fmt->mbus_code; | |
758 | } else { | |
759 | sink_fmt.pad = pad->index; | |
760 | sink_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
761 | ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, | |
762 | &sink_fmt); | |
763 | if (ret < 0 && ret != -ENOIOCTLCMD) | |
764 | return -EPIPE; | |
765 | } | |
766 | /* Retrieve format at the source pad */ | |
767 | pad = media_entity_remote_source(pad); | |
768 | if (pad == NULL || | |
769 | media_entity_type(pad->entity) != MEDIA_ENT_T_V4L2_SUBDEV) | |
770 | break; | |
771 | ||
772 | sd = media_entity_to_v4l2_subdev(pad->entity); | |
773 | src_fmt.pad = pad->index; | |
774 | src_fmt.which = V4L2_SUBDEV_FORMAT_ACTIVE; | |
775 | ret = v4l2_subdev_call(sd, pad, get_fmt, NULL, &src_fmt); | |
776 | if (ret < 0 && ret != -ENOIOCTLCMD) | |
777 | return -EPIPE; | |
778 | ||
779 | if (src_fmt.format.width != sink_fmt.format.width || | |
780 | src_fmt.format.height != sink_fmt.format.height || | |
781 | src_fmt.format.code != sink_fmt.format.code) | |
782 | return -EPIPE; | |
783 | } | |
784 | return 0; | |
785 | } | |
786 | ||
787 | static int fimc_lite_streamon(struct file *file, void *priv, | |
788 | enum v4l2_buf_type type) | |
789 | { | |
790 | struct fimc_lite *fimc = video_drvdata(file); | |
791 | struct v4l2_subdev *sensor = fimc->pipeline.subdevs[IDX_SENSOR]; | |
792 | struct fimc_pipeline *p = &fimc->pipeline; | |
793 | int ret; | |
794 | ||
795 | if (fimc_lite_active(fimc)) | |
796 | return -EBUSY; | |
797 | ||
a1a5861b SK |
798 | ret = media_entity_pipeline_start(&sensor->entity, p->m_pipeline); |
799 | if (ret < 0) | |
800 | return ret; | |
4af81310 SN |
801 | |
802 | ret = fimc_pipeline_validate(fimc); | |
803 | if (ret) { | |
804 | media_entity_pipeline_stop(&sensor->entity); | |
805 | return ret; | |
806 | } | |
807 | ||
808 | return vb2_streamon(&fimc->vb_queue, type); | |
809 | } | |
810 | ||
811 | static int fimc_lite_streamoff(struct file *file, void *priv, | |
812 | enum v4l2_buf_type type) | |
813 | { | |
814 | struct fimc_lite *fimc = video_drvdata(file); | |
815 | struct v4l2_subdev *sd = fimc->pipeline.subdevs[IDX_SENSOR]; | |
816 | int ret; | |
817 | ||
818 | ret = vb2_streamoff(&fimc->vb_queue, type); | |
819 | if (ret == 0) | |
820 | media_entity_pipeline_stop(&sd->entity); | |
821 | return ret; | |
822 | } | |
823 | ||
824 | static int fimc_lite_reqbufs(struct file *file, void *priv, | |
825 | struct v4l2_requestbuffers *reqbufs) | |
826 | { | |
827 | struct fimc_lite *fimc = video_drvdata(file); | |
828 | int ret; | |
829 | ||
830 | reqbufs->count = max_t(u32, FLITE_REQ_BUFS_MIN, reqbufs->count); | |
831 | ret = vb2_reqbufs(&fimc->vb_queue, reqbufs); | |
832 | if (!ret < 0) | |
833 | fimc->reqbufs_count = reqbufs->count; | |
834 | ||
835 | return ret; | |
836 | } | |
837 | ||
838 | static int fimc_lite_querybuf(struct file *file, void *priv, | |
839 | struct v4l2_buffer *buf) | |
840 | { | |
841 | struct fimc_lite *fimc = video_drvdata(file); | |
842 | ||
843 | return vb2_querybuf(&fimc->vb_queue, buf); | |
844 | } | |
845 | ||
846 | static int fimc_lite_qbuf(struct file *file, void *priv, | |
847 | struct v4l2_buffer *buf) | |
848 | { | |
849 | struct fimc_lite *fimc = video_drvdata(file); | |
850 | ||
851 | return vb2_qbuf(&fimc->vb_queue, buf); | |
852 | } | |
853 | ||
854 | static int fimc_lite_dqbuf(struct file *file, void *priv, | |
855 | struct v4l2_buffer *buf) | |
856 | { | |
857 | struct fimc_lite *fimc = video_drvdata(file); | |
858 | ||
859 | return vb2_dqbuf(&fimc->vb_queue, buf, file->f_flags & O_NONBLOCK); | |
860 | } | |
861 | ||
862 | static int fimc_lite_create_bufs(struct file *file, void *priv, | |
863 | struct v4l2_create_buffers *create) | |
864 | { | |
865 | struct fimc_lite *fimc = video_drvdata(file); | |
866 | ||
867 | return vb2_create_bufs(&fimc->vb_queue, create); | |
868 | } | |
869 | ||
870 | static int fimc_lite_prepare_buf(struct file *file, void *priv, | |
871 | struct v4l2_buffer *b) | |
872 | { | |
873 | struct fimc_lite *fimc = video_drvdata(file); | |
874 | ||
875 | return vb2_prepare_buf(&fimc->vb_queue, b); | |
876 | } | |
877 | ||
878 | /* Return 1 if rectangle a is enclosed in rectangle b, or 0 otherwise. */ | |
879 | static int enclosed_rectangle(struct v4l2_rect *a, struct v4l2_rect *b) | |
880 | { | |
881 | if (a->left < b->left || a->top < b->top) | |
882 | return 0; | |
883 | if (a->left + a->width > b->left + b->width) | |
884 | return 0; | |
885 | if (a->top + a->height > b->top + b->height) | |
886 | return 0; | |
887 | ||
888 | return 1; | |
889 | } | |
890 | ||
891 | static int fimc_lite_g_selection(struct file *file, void *fh, | |
892 | struct v4l2_selection *sel) | |
893 | { | |
894 | struct fimc_lite *fimc = video_drvdata(file); | |
895 | struct flite_frame *f = &fimc->out_frame; | |
896 | ||
897 | if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE) | |
898 | return -EINVAL; | |
899 | ||
900 | switch (sel->target) { | |
901 | case V4L2_SEL_TGT_COMPOSE_BOUNDS: | |
902 | case V4L2_SEL_TGT_COMPOSE_DEFAULT: | |
903 | sel->r.left = 0; | |
904 | sel->r.top = 0; | |
905 | sel->r.width = f->f_width; | |
906 | sel->r.height = f->f_height; | |
907 | return 0; | |
908 | ||
c1334823 | 909 | case V4L2_SEL_TGT_COMPOSE: |
4af81310 SN |
910 | sel->r = f->rect; |
911 | return 0; | |
912 | } | |
913 | ||
914 | return -EINVAL; | |
915 | } | |
916 | ||
917 | static int fimc_lite_s_selection(struct file *file, void *fh, | |
918 | struct v4l2_selection *sel) | |
919 | { | |
920 | struct fimc_lite *fimc = video_drvdata(file); | |
921 | struct flite_frame *f = &fimc->out_frame; | |
922 | struct v4l2_rect rect = sel->r; | |
923 | unsigned long flags; | |
924 | ||
925 | if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE || | |
c1334823 | 926 | sel->target != V4L2_SEL_TGT_COMPOSE) |
4af81310 SN |
927 | return -EINVAL; |
928 | ||
929 | fimc_lite_try_compose(fimc, &rect); | |
930 | ||
931 | if ((sel->flags & V4L2_SEL_FLAG_LE) && | |
932 | !enclosed_rectangle(&rect, &sel->r)) | |
933 | return -ERANGE; | |
934 | ||
935 | if ((sel->flags & V4L2_SEL_FLAG_GE) && | |
936 | !enclosed_rectangle(&sel->r, &rect)) | |
937 | return -ERANGE; | |
938 | ||
939 | sel->r = rect; | |
940 | spin_lock_irqsave(&fimc->slock, flags); | |
941 | f->rect = rect; | |
942 | set_bit(ST_FLITE_CONFIG, &fimc->state); | |
943 | spin_unlock_irqrestore(&fimc->slock, flags); | |
944 | ||
945 | return 0; | |
946 | } | |
947 | ||
948 | static const struct v4l2_ioctl_ops fimc_lite_ioctl_ops = { | |
949 | .vidioc_querycap = fimc_vidioc_querycap_capture, | |
950 | .vidioc_enum_fmt_vid_cap_mplane = fimc_lite_enum_fmt_mplane, | |
951 | .vidioc_try_fmt_vid_cap_mplane = fimc_lite_try_fmt_mplane, | |
952 | .vidioc_s_fmt_vid_cap_mplane = fimc_lite_s_fmt_mplane, | |
953 | .vidioc_g_fmt_vid_cap_mplane = fimc_lite_g_fmt_mplane, | |
954 | .vidioc_g_selection = fimc_lite_g_selection, | |
955 | .vidioc_s_selection = fimc_lite_s_selection, | |
956 | .vidioc_reqbufs = fimc_lite_reqbufs, | |
957 | .vidioc_querybuf = fimc_lite_querybuf, | |
958 | .vidioc_prepare_buf = fimc_lite_prepare_buf, | |
959 | .vidioc_create_bufs = fimc_lite_create_bufs, | |
960 | .vidioc_qbuf = fimc_lite_qbuf, | |
961 | .vidioc_dqbuf = fimc_lite_dqbuf, | |
962 | .vidioc_streamon = fimc_lite_streamon, | |
963 | .vidioc_streamoff = fimc_lite_streamoff, | |
964 | }; | |
965 | ||
966 | /* Capture subdev media entity operations */ | |
967 | static int fimc_lite_link_setup(struct media_entity *entity, | |
968 | const struct media_pad *local, | |
969 | const struct media_pad *remote, u32 flags) | |
970 | { | |
971 | struct v4l2_subdev *sd = media_entity_to_v4l2_subdev(entity); | |
972 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
973 | unsigned int remote_ent_type = media_entity_type(remote->entity); | |
974 | ||
975 | if (WARN_ON(fimc == NULL)) | |
976 | return 0; | |
977 | ||
978 | v4l2_dbg(1, debug, sd, "%s: %s --> %s, flags: 0x%x. source_id: 0x%x", | |
979 | __func__, local->entity->name, remote->entity->name, | |
980 | flags, fimc->source_subdev_grp_id); | |
981 | ||
982 | switch (local->index) { | |
983 | case FIMC_SD_PAD_SINK: | |
984 | if (remote_ent_type != MEDIA_ENT_T_V4L2_SUBDEV) | |
985 | return -EINVAL; | |
986 | ||
987 | if (flags & MEDIA_LNK_FL_ENABLED) { | |
988 | if (fimc->source_subdev_grp_id != 0) | |
989 | return -EBUSY; | |
990 | fimc->source_subdev_grp_id = sd->grp_id; | |
991 | return 0; | |
992 | } | |
993 | ||
994 | fimc->source_subdev_grp_id = 0; | |
995 | break; | |
996 | ||
997 | case FIMC_SD_PAD_SOURCE: | |
998 | if (!(flags & MEDIA_LNK_FL_ENABLED)) { | |
999 | fimc->out_path = FIMC_IO_NONE; | |
1000 | return 0; | |
1001 | } | |
1002 | if (remote_ent_type == MEDIA_ENT_T_V4L2_SUBDEV) | |
1003 | fimc->out_path = FIMC_IO_ISP; | |
1004 | else | |
1005 | fimc->out_path = FIMC_IO_DMA; | |
1006 | break; | |
1007 | ||
1008 | default: | |
1009 | v4l2_err(sd, "Invalid pad index\n"); | |
1010 | return -EINVAL; | |
1011 | } | |
1012 | ||
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | static const struct media_entity_operations fimc_lite_subdev_media_ops = { | |
1017 | .link_setup = fimc_lite_link_setup, | |
1018 | }; | |
1019 | ||
1020 | static int fimc_lite_subdev_enum_mbus_code(struct v4l2_subdev *sd, | |
1021 | struct v4l2_subdev_fh *fh, | |
1022 | struct v4l2_subdev_mbus_code_enum *code) | |
1023 | { | |
1024 | const struct fimc_fmt *fmt; | |
1025 | ||
1026 | fmt = fimc_lite_find_format(NULL, NULL, code->index); | |
1027 | if (!fmt) | |
1028 | return -EINVAL; | |
1029 | code->code = fmt->mbus_code; | |
1030 | return 0; | |
1031 | } | |
1032 | ||
1033 | static int fimc_lite_subdev_get_fmt(struct v4l2_subdev *sd, | |
1034 | struct v4l2_subdev_fh *fh, | |
1035 | struct v4l2_subdev_format *fmt) | |
1036 | { | |
1037 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1038 | struct v4l2_mbus_framefmt *mf = &fmt->format; | |
1039 | struct flite_frame *f = &fimc->out_frame; | |
1040 | ||
1041 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1042 | mf = v4l2_subdev_get_try_format(fh, fmt->pad); | |
1043 | fmt->format = *mf; | |
1044 | return 0; | |
1045 | } | |
1046 | mf->colorspace = V4L2_COLORSPACE_JPEG; | |
1047 | ||
1048 | mutex_lock(&fimc->lock); | |
1049 | mf->code = fimc->fmt->mbus_code; | |
1050 | ||
1051 | if (fmt->pad == FLITE_SD_PAD_SINK) { | |
1052 | /* full camera input frame size */ | |
1053 | mf->width = f->f_width; | |
1054 | mf->height = f->f_height; | |
1055 | } else { | |
1056 | /* crop size */ | |
1057 | mf->width = f->rect.width; | |
1058 | mf->height = f->rect.height; | |
1059 | } | |
1060 | mutex_unlock(&fimc->lock); | |
1061 | return 0; | |
1062 | } | |
1063 | ||
1064 | static int fimc_lite_subdev_set_fmt(struct v4l2_subdev *sd, | |
1065 | struct v4l2_subdev_fh *fh, | |
1066 | struct v4l2_subdev_format *fmt) | |
1067 | { | |
1068 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1069 | struct v4l2_mbus_framefmt *mf = &fmt->format; | |
1070 | struct flite_frame *sink = &fimc->inp_frame; | |
9356ac76 | 1071 | struct flite_frame *source = &fimc->out_frame; |
4af81310 SN |
1072 | const struct fimc_fmt *ffmt; |
1073 | ||
1074 | v4l2_dbg(1, debug, sd, "pad%d: code: 0x%x, %dx%d", | |
1075 | fmt->pad, mf->code, mf->width, mf->height); | |
1076 | ||
1077 | mf->colorspace = V4L2_COLORSPACE_JPEG; | |
1078 | mutex_lock(&fimc->lock); | |
1079 | ||
1080 | if ((fimc->out_path == FIMC_IO_ISP && sd->entity.stream_count > 0) || | |
1081 | (fimc->out_path == FIMC_IO_DMA && vb2_is_busy(&fimc->vb_queue))) { | |
1082 | mutex_unlock(&fimc->lock); | |
1083 | return -EBUSY; | |
1084 | } | |
1085 | ||
1086 | ffmt = fimc_lite_try_format(fimc, &mf->width, &mf->height, | |
1087 | &mf->code, NULL, fmt->pad); | |
1088 | ||
1089 | if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1090 | mf = v4l2_subdev_get_try_format(fh, fmt->pad); | |
1091 | *mf = fmt->format; | |
1092 | mutex_unlock(&fimc->lock); | |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | if (fmt->pad == FLITE_SD_PAD_SINK) { | |
1097 | sink->f_width = mf->width; | |
1098 | sink->f_height = mf->height; | |
1099 | fimc->fmt = ffmt; | |
1100 | /* Set sink crop rectangle */ | |
1101 | sink->rect.width = mf->width; | |
1102 | sink->rect.height = mf->height; | |
1103 | sink->rect.left = 0; | |
1104 | sink->rect.top = 0; | |
9356ac76 SN |
1105 | /* Reset source format and crop rectangle */ |
1106 | source->rect = sink->rect; | |
1107 | source->f_width = mf->width; | |
1108 | source->f_height = mf->height; | |
4af81310 SN |
1109 | } else { |
1110 | /* Allow changing format only on sink pad */ | |
1111 | mf->code = fimc->fmt->mbus_code; | |
1112 | mf->width = sink->rect.width; | |
1113 | mf->height = sink->rect.height; | |
1114 | } | |
1115 | ||
1116 | mutex_unlock(&fimc->lock); | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | static int fimc_lite_subdev_get_selection(struct v4l2_subdev *sd, | |
1121 | struct v4l2_subdev_fh *fh, | |
1122 | struct v4l2_subdev_selection *sel) | |
1123 | { | |
1124 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1125 | struct flite_frame *f = &fimc->inp_frame; | |
1126 | ||
5689b288 SA |
1127 | if ((sel->target != V4L2_SEL_TGT_CROP && |
1128 | sel->target != V4L2_SEL_TGT_CROP_BOUNDS) || | |
1129 | sel->pad != FLITE_SD_PAD_SINK) | |
4af81310 SN |
1130 | return -EINVAL; |
1131 | ||
1132 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1133 | sel->r = *v4l2_subdev_get_try_crop(fh, sel->pad); | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | mutex_lock(&fimc->lock); | |
5689b288 | 1138 | if (sel->target == V4L2_SEL_TGT_CROP) { |
4af81310 SN |
1139 | sel->r = f->rect; |
1140 | } else { | |
1141 | sel->r.left = 0; | |
1142 | sel->r.top = 0; | |
1143 | sel->r.width = f->f_width; | |
1144 | sel->r.height = f->f_height; | |
1145 | } | |
1146 | mutex_unlock(&fimc->lock); | |
1147 | ||
1148 | v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d", | |
1149 | __func__, f->rect.left, f->rect.top, f->rect.width, | |
1150 | f->rect.height, f->f_width, f->f_height); | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | static int fimc_lite_subdev_set_selection(struct v4l2_subdev *sd, | |
1156 | struct v4l2_subdev_fh *fh, | |
1157 | struct v4l2_subdev_selection *sel) | |
1158 | { | |
1159 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1160 | struct flite_frame *f = &fimc->inp_frame; | |
1161 | int ret = 0; | |
1162 | ||
5689b288 | 1163 | if (sel->target != V4L2_SEL_TGT_CROP || sel->pad != FLITE_SD_PAD_SINK) |
4af81310 SN |
1164 | return -EINVAL; |
1165 | ||
1166 | mutex_lock(&fimc->lock); | |
1167 | fimc_lite_try_crop(fimc, &sel->r); | |
1168 | ||
1169 | if (sel->which == V4L2_SUBDEV_FORMAT_TRY) { | |
1170 | *v4l2_subdev_get_try_crop(fh, sel->pad) = sel->r; | |
1171 | } else { | |
1172 | unsigned long flags; | |
1173 | spin_lock_irqsave(&fimc->slock, flags); | |
1174 | f->rect = sel->r; | |
1175 | /* Same crop rectangle on the source pad */ | |
1176 | fimc->out_frame.rect = sel->r; | |
1177 | set_bit(ST_FLITE_CONFIG, &fimc->state); | |
1178 | spin_unlock_irqrestore(&fimc->slock, flags); | |
1179 | } | |
1180 | mutex_unlock(&fimc->lock); | |
1181 | ||
1182 | v4l2_dbg(1, debug, sd, "%s: (%d,%d) %dx%d, f_w: %d, f_h: %d", | |
1183 | __func__, f->rect.left, f->rect.top, f->rect.width, | |
1184 | f->rect.height, f->f_width, f->f_height); | |
1185 | ||
1186 | return ret; | |
1187 | } | |
1188 | ||
1189 | static int fimc_lite_subdev_s_stream(struct v4l2_subdev *sd, int on) | |
1190 | { | |
1191 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1192 | ||
1193 | if (fimc->out_path == FIMC_IO_DMA) | |
1194 | return -ENOIOCTLCMD; | |
1195 | ||
1196 | /* TODO: */ | |
1197 | ||
1198 | return 0; | |
1199 | } | |
1200 | ||
1201 | static int fimc_lite_subdev_s_power(struct v4l2_subdev *sd, int on) | |
1202 | { | |
1203 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1204 | ||
1205 | if (fimc->out_path == FIMC_IO_DMA) | |
1206 | return -ENOIOCTLCMD; | |
1207 | ||
1208 | /* TODO: */ | |
1209 | ||
1210 | return 0; | |
1211 | } | |
1212 | ||
1213 | static int fimc_lite_log_status(struct v4l2_subdev *sd) | |
1214 | { | |
1215 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1216 | ||
1217 | flite_hw_dump_regs(fimc, __func__); | |
1218 | return 0; | |
1219 | } | |
1220 | ||
1221 | static int fimc_lite_subdev_registered(struct v4l2_subdev *sd) | |
1222 | { | |
1223 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1224 | struct vb2_queue *q = &fimc->vb_queue; | |
1bcd7041 | 1225 | struct video_device *vfd = &fimc->vfd; |
4af81310 SN |
1226 | int ret; |
1227 | ||
1bcd7041 SN |
1228 | memset(vfd, 0, sizeof(*vfd)); |
1229 | ||
4af81310 SN |
1230 | fimc->fmt = &fimc_lite_formats[0]; |
1231 | fimc->out_path = FIMC_IO_DMA; | |
1232 | ||
4af81310 SN |
1233 | snprintf(vfd->name, sizeof(vfd->name), "fimc-lite.%d.capture", |
1234 | fimc->index); | |
1235 | ||
1236 | vfd->fops = &fimc_lite_fops; | |
1237 | vfd->ioctl_ops = &fimc_lite_ioctl_ops; | |
1238 | vfd->v4l2_dev = sd->v4l2_dev; | |
1239 | vfd->minor = -1; | |
1bcd7041 | 1240 | vfd->release = video_device_release_empty; |
4af81310 | 1241 | vfd->lock = &fimc->lock; |
4af81310 SN |
1242 | fimc->ref_count = 0; |
1243 | fimc->reqbufs_count = 0; | |
1244 | ||
1245 | INIT_LIST_HEAD(&fimc->pending_buf_q); | |
1246 | INIT_LIST_HEAD(&fimc->active_buf_q); | |
1247 | ||
1248 | memset(q, 0, sizeof(*q)); | |
1249 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE; | |
1250 | q->io_modes = VB2_MMAP | VB2_USERPTR; | |
1251 | q->ops = &fimc_lite_qops; | |
1252 | q->mem_ops = &vb2_dma_contig_memops; | |
1253 | q->buf_struct_size = sizeof(struct flite_buffer); | |
1254 | q->drv_priv = fimc; | |
1255 | ||
1256 | vb2_queue_init(q); | |
1257 | ||
1258 | fimc->vd_pad.flags = MEDIA_PAD_FL_SINK; | |
1259 | ret = media_entity_init(&vfd->entity, 1, &fimc->vd_pad, 0); | |
1bcd7041 SN |
1260 | if (ret < 0) |
1261 | return ret; | |
4af81310 SN |
1262 | |
1263 | video_set_drvdata(vfd, fimc); | |
1264 | ||
1265 | ret = video_register_device(vfd, VFL_TYPE_GRABBER, -1); | |
1bcd7041 SN |
1266 | if (ret < 0) { |
1267 | media_entity_cleanup(&vfd->entity); | |
1268 | return ret; | |
1269 | } | |
4af81310 SN |
1270 | |
1271 | v4l2_info(sd->v4l2_dev, "Registered %s as /dev/%s\n", | |
1272 | vfd->name, video_device_node_name(vfd)); | |
1273 | return 0; | |
4af81310 SN |
1274 | } |
1275 | ||
1276 | static void fimc_lite_subdev_unregistered(struct v4l2_subdev *sd) | |
1277 | { | |
1278 | struct fimc_lite *fimc = v4l2_get_subdevdata(sd); | |
1279 | ||
1280 | if (fimc == NULL) | |
1281 | return; | |
1282 | ||
1bcd7041 SN |
1283 | if (video_is_registered(&fimc->vfd)) { |
1284 | video_unregister_device(&fimc->vfd); | |
1285 | media_entity_cleanup(&fimc->vfd.entity); | |
4af81310 SN |
1286 | } |
1287 | } | |
1288 | ||
1289 | static const struct v4l2_subdev_internal_ops fimc_lite_subdev_internal_ops = { | |
1290 | .registered = fimc_lite_subdev_registered, | |
1291 | .unregistered = fimc_lite_subdev_unregistered, | |
1292 | }; | |
1293 | ||
1294 | static const struct v4l2_subdev_pad_ops fimc_lite_subdev_pad_ops = { | |
1295 | .enum_mbus_code = fimc_lite_subdev_enum_mbus_code, | |
1296 | .get_selection = fimc_lite_subdev_get_selection, | |
1297 | .set_selection = fimc_lite_subdev_set_selection, | |
1298 | .get_fmt = fimc_lite_subdev_get_fmt, | |
1299 | .set_fmt = fimc_lite_subdev_set_fmt, | |
1300 | }; | |
1301 | ||
1302 | static const struct v4l2_subdev_video_ops fimc_lite_subdev_video_ops = { | |
1303 | .s_stream = fimc_lite_subdev_s_stream, | |
1304 | }; | |
1305 | ||
1306 | static const struct v4l2_subdev_core_ops fimc_lite_core_ops = { | |
1307 | .s_power = fimc_lite_subdev_s_power, | |
1308 | .log_status = fimc_lite_log_status, | |
1309 | }; | |
1310 | ||
1311 | static struct v4l2_subdev_ops fimc_lite_subdev_ops = { | |
1312 | .core = &fimc_lite_core_ops, | |
1313 | .video = &fimc_lite_subdev_video_ops, | |
1314 | .pad = &fimc_lite_subdev_pad_ops, | |
1315 | }; | |
1316 | ||
1317 | static int fimc_lite_s_ctrl(struct v4l2_ctrl *ctrl) | |
1318 | { | |
1319 | struct fimc_lite *fimc = container_of(ctrl->handler, struct fimc_lite, | |
1320 | ctrl_handler); | |
1321 | set_bit(ST_FLITE_CONFIG, &fimc->state); | |
1322 | return 0; | |
1323 | } | |
1324 | ||
1325 | static const struct v4l2_ctrl_ops fimc_lite_ctrl_ops = { | |
1326 | .s_ctrl = fimc_lite_s_ctrl, | |
1327 | }; | |
1328 | ||
1329 | static const struct v4l2_ctrl_config fimc_lite_ctrl = { | |
1330 | .ops = &fimc_lite_ctrl_ops, | |
1331 | .id = V4L2_CTRL_CLASS_USER | 0x1001, | |
1332 | .type = V4L2_CTRL_TYPE_BOOLEAN, | |
1333 | .name = "Test Pattern 640x480", | |
1334 | }; | |
1335 | ||
1336 | static int fimc_lite_create_capture_subdev(struct fimc_lite *fimc) | |
1337 | { | |
1338 | struct v4l2_ctrl_handler *handler = &fimc->ctrl_handler; | |
1339 | struct v4l2_subdev *sd = &fimc->subdev; | |
1340 | int ret; | |
1341 | ||
1342 | v4l2_subdev_init(sd, &fimc_lite_subdev_ops); | |
1343 | sd->flags = V4L2_SUBDEV_FL_HAS_DEVNODE; | |
1344 | snprintf(sd->name, sizeof(sd->name), "FIMC-LITE.%d", fimc->index); | |
1345 | ||
1346 | fimc->subdev_pads[FIMC_SD_PAD_SINK].flags = MEDIA_PAD_FL_SINK; | |
1347 | fimc->subdev_pads[FIMC_SD_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; | |
1348 | ret = media_entity_init(&sd->entity, FIMC_SD_PADS_NUM, | |
1349 | fimc->subdev_pads, 0); | |
1350 | if (ret) | |
1351 | return ret; | |
1352 | ||
1353 | v4l2_ctrl_handler_init(handler, 1); | |
1354 | fimc->test_pattern = v4l2_ctrl_new_custom(handler, &fimc_lite_ctrl, | |
1355 | NULL); | |
1356 | if (handler->error) { | |
1357 | media_entity_cleanup(&sd->entity); | |
1358 | return handler->error; | |
1359 | } | |
1360 | ||
1361 | sd->ctrl_handler = handler; | |
1362 | sd->internal_ops = &fimc_lite_subdev_internal_ops; | |
1363 | sd->entity.ops = &fimc_lite_subdev_media_ops; | |
1364 | v4l2_set_subdevdata(sd, fimc); | |
1365 | ||
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static void fimc_lite_unregister_capture_subdev(struct fimc_lite *fimc) | |
1370 | { | |
1371 | struct v4l2_subdev *sd = &fimc->subdev; | |
1372 | ||
1373 | v4l2_device_unregister_subdev(sd); | |
1374 | media_entity_cleanup(&sd->entity); | |
1375 | v4l2_ctrl_handler_free(&fimc->ctrl_handler); | |
1376 | v4l2_set_subdevdata(sd, NULL); | |
1377 | } | |
1378 | ||
1379 | static void fimc_lite_clk_put(struct fimc_lite *fimc) | |
1380 | { | |
1381 | if (IS_ERR_OR_NULL(fimc->clock)) | |
1382 | return; | |
1383 | ||
1384 | clk_unprepare(fimc->clock); | |
1385 | clk_put(fimc->clock); | |
1386 | fimc->clock = NULL; | |
1387 | } | |
1388 | ||
1389 | static int fimc_lite_clk_get(struct fimc_lite *fimc) | |
1390 | { | |
1391 | int ret; | |
1392 | ||
1393 | fimc->clock = clk_get(&fimc->pdev->dev, FLITE_CLK_NAME); | |
1394 | if (IS_ERR(fimc->clock)) | |
1395 | return PTR_ERR(fimc->clock); | |
1396 | ||
1397 | ret = clk_prepare(fimc->clock); | |
1398 | if (ret < 0) { | |
1399 | clk_put(fimc->clock); | |
1400 | fimc->clock = NULL; | |
1401 | } | |
1402 | return ret; | |
1403 | } | |
1404 | ||
1405 | static int __devinit fimc_lite_probe(struct platform_device *pdev) | |
1406 | { | |
1407 | struct flite_drvdata *drv_data = fimc_lite_get_drvdata(pdev); | |
1408 | struct fimc_lite *fimc; | |
1409 | struct resource *res; | |
1410 | int ret; | |
1411 | ||
1412 | fimc = devm_kzalloc(&pdev->dev, sizeof(*fimc), GFP_KERNEL); | |
1413 | if (!fimc) | |
1414 | return -ENOMEM; | |
1415 | ||
1416 | fimc->index = pdev->id; | |
1417 | fimc->variant = drv_data->variant[fimc->index]; | |
1418 | fimc->pdev = pdev; | |
1419 | ||
1420 | init_waitqueue_head(&fimc->irq_queue); | |
1421 | spin_lock_init(&fimc->slock); | |
1422 | mutex_init(&fimc->lock); | |
1423 | ||
1424 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); | |
1425 | fimc->regs = devm_request_and_ioremap(&pdev->dev, res); | |
1426 | if (fimc->regs == NULL) { | |
1427 | dev_err(&pdev->dev, "Failed to obtain io memory\n"); | |
1428 | return -ENOENT; | |
1429 | } | |
1430 | ||
1431 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); | |
1432 | if (res == NULL) { | |
1433 | dev_err(&pdev->dev, "Failed to get IRQ resource\n"); | |
1434 | return -ENXIO; | |
1435 | } | |
1436 | ||
1437 | ret = fimc_lite_clk_get(fimc); | |
1438 | if (ret) | |
1439 | return ret; | |
1440 | ||
1441 | ret = devm_request_irq(&pdev->dev, res->start, flite_irq_handler, | |
1442 | 0, dev_name(&pdev->dev), fimc); | |
1443 | if (ret) { | |
1444 | dev_err(&pdev->dev, "Failed to install irq (%d)\n", ret); | |
1445 | goto err_clk; | |
1446 | } | |
1447 | ||
1448 | /* The video node will be created within the subdev's registered() op */ | |
1449 | ret = fimc_lite_create_capture_subdev(fimc); | |
1450 | if (ret) | |
1451 | goto err_clk; | |
1452 | ||
1453 | platform_set_drvdata(pdev, fimc); | |
1454 | pm_runtime_enable(&pdev->dev); | |
1455 | ret = pm_runtime_get_sync(&pdev->dev); | |
1456 | if (ret < 0) | |
1457 | goto err_sd; | |
1458 | ||
1459 | fimc->alloc_ctx = vb2_dma_contig_init_ctx(&pdev->dev); | |
1460 | if (IS_ERR(fimc->alloc_ctx)) { | |
1461 | ret = PTR_ERR(fimc->alloc_ctx); | |
1462 | goto err_pm; | |
1463 | } | |
1464 | pm_runtime_put(&pdev->dev); | |
1465 | ||
1466 | dev_dbg(&pdev->dev, "FIMC-LITE.%d registered successfully\n", | |
1467 | fimc->index); | |
1468 | return 0; | |
1469 | err_pm: | |
1470 | pm_runtime_put(&pdev->dev); | |
1471 | err_sd: | |
1472 | fimc_lite_unregister_capture_subdev(fimc); | |
1473 | err_clk: | |
1474 | fimc_lite_clk_put(fimc); | |
1475 | return ret; | |
1476 | } | |
1477 | ||
1478 | static int fimc_lite_runtime_resume(struct device *dev) | |
1479 | { | |
1480 | struct fimc_lite *fimc = dev_get_drvdata(dev); | |
1481 | ||
1482 | clk_enable(fimc->clock); | |
1483 | return 0; | |
1484 | } | |
1485 | ||
1486 | static int fimc_lite_runtime_suspend(struct device *dev) | |
1487 | { | |
1488 | struct fimc_lite *fimc = dev_get_drvdata(dev); | |
1489 | ||
1490 | clk_disable(fimc->clock); | |
1491 | return 0; | |
1492 | } | |
1493 | ||
1494 | #ifdef CONFIG_PM_SLEEP | |
1495 | static int fimc_lite_resume(struct device *dev) | |
1496 | { | |
1497 | struct fimc_lite *fimc = dev_get_drvdata(dev); | |
1498 | struct flite_buffer *buf; | |
1499 | unsigned long flags; | |
1500 | int i; | |
1501 | ||
1502 | spin_lock_irqsave(&fimc->slock, flags); | |
1503 | if (!test_and_clear_bit(ST_LPM, &fimc->state) || | |
1504 | !test_bit(ST_FLITE_IN_USE, &fimc->state)) { | |
1505 | spin_unlock_irqrestore(&fimc->slock, flags); | |
1506 | return 0; | |
1507 | } | |
1508 | flite_hw_reset(fimc); | |
1509 | spin_unlock_irqrestore(&fimc->slock, flags); | |
1510 | ||
1511 | if (!test_and_clear_bit(ST_FLITE_SUSPENDED, &fimc->state)) | |
1512 | return 0; | |
1513 | ||
1514 | INIT_LIST_HEAD(&fimc->active_buf_q); | |
b9ee31e6 SN |
1515 | fimc_pipeline_call(fimc, open, &fimc->pipeline, |
1516 | &fimc->vfd.entity, false); | |
4af81310 SN |
1517 | fimc_lite_hw_init(fimc); |
1518 | clear_bit(ST_FLITE_SUSPENDED, &fimc->state); | |
1519 | ||
1520 | for (i = 0; i < fimc->reqbufs_count; i++) { | |
1521 | if (list_empty(&fimc->pending_buf_q)) | |
1522 | break; | |
1523 | buf = fimc_lite_pending_queue_pop(fimc); | |
1524 | buffer_queue(&buf->vb); | |
1525 | } | |
1526 | return 0; | |
1527 | } | |
1528 | ||
1529 | static int fimc_lite_suspend(struct device *dev) | |
1530 | { | |
1531 | struct fimc_lite *fimc = dev_get_drvdata(dev); | |
1532 | bool suspend = test_bit(ST_FLITE_IN_USE, &fimc->state); | |
1533 | int ret; | |
1534 | ||
1535 | if (test_and_set_bit(ST_LPM, &fimc->state)) | |
1536 | return 0; | |
1537 | ||
1538 | ret = fimc_lite_stop_capture(fimc, suspend); | |
316efab3 | 1539 | if (ret < 0 || !fimc_lite_active(fimc)) |
4af81310 SN |
1540 | return ret; |
1541 | ||
b9ee31e6 | 1542 | return fimc_pipeline_call(fimc, close, &fimc->pipeline); |
4af81310 SN |
1543 | } |
1544 | #endif /* CONFIG_PM_SLEEP */ | |
1545 | ||
1546 | static int __devexit fimc_lite_remove(struct platform_device *pdev) | |
1547 | { | |
1548 | struct fimc_lite *fimc = platform_get_drvdata(pdev); | |
1549 | struct device *dev = &pdev->dev; | |
1550 | ||
1551 | pm_runtime_disable(dev); | |
1552 | pm_runtime_set_suspended(dev); | |
1553 | fimc_lite_unregister_capture_subdev(fimc); | |
1554 | vb2_dma_contig_cleanup_ctx(fimc->alloc_ctx); | |
1555 | fimc_lite_clk_put(fimc); | |
1556 | ||
1557 | dev_info(dev, "Driver unloaded\n"); | |
1558 | return 0; | |
1559 | } | |
1560 | ||
1561 | static struct flite_variant fimc_lite0_variant_exynos4 = { | |
1562 | .max_width = 8192, | |
1563 | .max_height = 8192, | |
1564 | .out_width_align = 8, | |
1565 | .win_hor_offs_align = 2, | |
1566 | .out_hor_offs_align = 8, | |
1567 | }; | |
1568 | ||
1569 | /* EXYNOS4212, EXYNOS4412 */ | |
1570 | static struct flite_drvdata fimc_lite_drvdata_exynos4 = { | |
1571 | .variant = { | |
1572 | [0] = &fimc_lite0_variant_exynos4, | |
1573 | [1] = &fimc_lite0_variant_exynos4, | |
1574 | }, | |
1575 | }; | |
1576 | ||
1577 | static struct platform_device_id fimc_lite_driver_ids[] = { | |
1578 | { | |
1579 | .name = "exynos-fimc-lite", | |
1580 | .driver_data = (unsigned long)&fimc_lite_drvdata_exynos4, | |
1581 | }, | |
1582 | { /* sentinel */ }, | |
1583 | }; | |
1584 | MODULE_DEVICE_TABLE(platform, fimc_lite_driver_ids); | |
1585 | ||
1586 | static const struct dev_pm_ops fimc_lite_pm_ops = { | |
1587 | SET_SYSTEM_SLEEP_PM_OPS(fimc_lite_suspend, fimc_lite_resume) | |
1588 | SET_RUNTIME_PM_OPS(fimc_lite_runtime_suspend, fimc_lite_runtime_resume, | |
1589 | NULL) | |
1590 | }; | |
1591 | ||
1592 | static struct platform_driver fimc_lite_driver = { | |
1593 | .probe = fimc_lite_probe, | |
1594 | .remove = __devexit_p(fimc_lite_remove), | |
1595 | .id_table = fimc_lite_driver_ids, | |
1596 | .driver = { | |
1597 | .name = FIMC_LITE_DRV_NAME, | |
1598 | .owner = THIS_MODULE, | |
1599 | .pm = &fimc_lite_pm_ops, | |
1600 | } | |
1601 | }; | |
1602 | module_platform_driver(fimc_lite_driver); | |
1603 | MODULE_LICENSE("GPL"); | |
1604 | MODULE_ALIAS("platform:" FIMC_LITE_DRV_NAME); |