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6ffefff5 MK |
1 | /* |
2 | * Copyright (C) 2009 Texas Instruments Inc | |
96787eb4 | 3 | * Copyright (C) 2014 Lad, Prabhakar <prabhakar.csengg@gmail.com> |
6ffefff5 MK |
4 | * |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation; either version 2 of the License, or | |
8 | * (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
6ffefff5 MK |
15 | * TODO : add support for VBI & HBI data service |
16 | * add static buffer allocation | |
17 | */ | |
012eef70 | 18 | |
6ffefff5 | 19 | #include <linux/module.h> |
6ffefff5 | 20 | #include <linux/interrupt.h> |
6ffefff5 | 21 | #include <linux/platform_device.h> |
5a0e3ad6 | 22 | #include <linux/slab.h> |
012eef70 | 23 | |
012eef70 | 24 | #include <media/v4l2-ioctl.h> |
6ffefff5 | 25 | |
6ffefff5 | 26 | #include "vpif.h" |
012eef70 | 27 | #include "vpif_capture.h" |
6ffefff5 MK |
28 | |
29 | MODULE_DESCRIPTION("TI DaVinci VPIF Capture driver"); | |
30 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 31 | MODULE_VERSION(VPIF_CAPTURE_VERSION); |
6ffefff5 MK |
32 | |
33 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
34 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
35 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
36 | ||
37 | static int debug = 1; | |
6ffefff5 MK |
38 | |
39 | module_param(debug, int, 0644); | |
6ffefff5 MK |
40 | |
41 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
6ffefff5 | 42 | |
e75ea0c1 | 43 | #define VPIF_DRIVER_NAME "vpif_capture" |
bff782d7 | 44 | MODULE_ALIAS("platform:" VPIF_DRIVER_NAME); |
e75ea0c1 | 45 | |
6ffefff5 MK |
46 | /* global variables */ |
47 | static struct vpif_device vpif_obj = { {NULL} }; | |
48 | static struct device *vpif_dev; | |
60aa38d8 LP |
49 | static void vpif_calculate_offsets(struct channel_obj *ch); |
50 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
6ffefff5 | 51 | |
fa09accc LP |
52 | static u8 channel_first_int[VPIF_NUMBER_OF_OBJECTS][2] = { {1, 1} }; |
53 | ||
c66238f3 LP |
54 | /* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ |
55 | static int ycmux_mode; | |
56 | ||
2d700715 JS |
57 | static inline |
58 | struct vpif_cap_buffer *to_vpif_buffer(struct vb2_v4l2_buffer *vb) | |
fa09accc LP |
59 | { |
60 | return container_of(vb, struct vpif_cap_buffer, vb); | |
61 | } | |
62 | ||
6ffefff5 | 63 | /** |
23e76a2a | 64 | * vpif_buffer_prepare : callback function for buffer prepare |
60aa38d8 | 65 | * @vb: ptr to vb2_buffer |
6ffefff5 | 66 | * |
60aa38d8 | 67 | * This is the callback function for buffer prepare when vb2_qbuf() |
6ffefff5 MK |
68 | * function is called. The buffer is prepared and user space virtual address |
69 | * or user address is converted into physical address | |
70 | */ | |
60aa38d8 | 71 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
6ffefff5 | 72 | { |
2d700715 | 73 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
60aa38d8 | 74 | struct vb2_queue *q = vb->vb2_queue; |
fa09accc | 75 | struct channel_obj *ch = vb2_get_drv_priv(q); |
6ffefff5 MK |
76 | struct common_obj *common; |
77 | unsigned long addr; | |
78 | ||
6ffefff5 MK |
79 | vpif_dbg(2, debug, "vpif_buffer_prepare\n"); |
80 | ||
81 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
82 | ||
23e76a2a LP |
83 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); |
84 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
85 | return -EINVAL; | |
86 | ||
2d700715 | 87 | vbuf->field = common->fmt.fmt.pix.field; |
23e76a2a LP |
88 | |
89 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
90 | if (!IS_ALIGNED((addr + common->ytop_off), 8) || | |
91 | !IS_ALIGNED((addr + common->ybtm_off), 8) || | |
92 | !IS_ALIGNED((addr + common->ctop_off), 8) || | |
93 | !IS_ALIGNED((addr + common->cbtm_off), 8)) { | |
94 | vpif_dbg(1, debug, "offset is not aligned\n"); | |
95 | return -EINVAL; | |
6ffefff5 | 96 | } |
23e76a2a | 97 | |
6ffefff5 | 98 | return 0; |
6ffefff5 MK |
99 | } |
100 | ||
101 | /** | |
60aa38d8 LP |
102 | * vpif_buffer_queue_setup : Callback function for buffer setup. |
103 | * @vq: vb2_queue ptr | |
60aa38d8 LP |
104 | * @nbuffers: ptr to number of buffers requested by application |
105 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
106 | * @sizes[]: contains the size (in bytes) of each plane. | |
36c0f8b3 | 107 | * @alloc_devs: ptr to allocation context |
6ffefff5 MK |
108 | * |
109 | * This callback function is called when reqbuf() is called to adjust | |
110 | * the buffer count and buffer size | |
111 | */ | |
60aa38d8 | 112 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
60aa38d8 | 113 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 114 | unsigned int sizes[], struct device *alloc_devs[]) |
6ffefff5 | 115 | { |
fa09accc | 116 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
df9ecb0c HV |
117 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
118 | unsigned size = common->fmt.fmt.pix.sizeimage; | |
6ffefff5 MK |
119 | |
120 | vpif_dbg(2, debug, "vpif_buffer_setup\n"); | |
121 | ||
df9ecb0c HV |
122 | if (*nplanes) { |
123 | if (sizes[0] < size) | |
124 | return -EINVAL; | |
125 | size = sizes[0]; | |
126 | } | |
764af39a | 127 | |
837939de LP |
128 | if (vq->num_buffers + *nbuffers < 3) |
129 | *nbuffers = 3 - vq->num_buffers; | |
60aa38d8 LP |
130 | |
131 | *nplanes = 1; | |
df9ecb0c | 132 | sizes[0] = size; |
60aa38d8 | 133 | |
837939de LP |
134 | /* Calculate the offset for Y and C data in the buffer */ |
135 | vpif_calculate_offsets(ch); | |
136 | ||
6ffefff5 MK |
137 | return 0; |
138 | } | |
139 | ||
140 | /** | |
141 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
60aa38d8 | 142 | * @vb: ptr to vb2_buffer |
6ffefff5 | 143 | */ |
60aa38d8 | 144 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
6ffefff5 | 145 | { |
2d700715 | 146 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
fa09accc | 147 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 148 | struct vpif_cap_buffer *buf = to_vpif_buffer(vbuf); |
6ffefff5 | 149 | struct common_obj *common; |
aec96832 | 150 | unsigned long flags; |
6ffefff5 MK |
151 | |
152 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
153 | ||
154 | vpif_dbg(2, debug, "vpif_buffer_queue\n"); | |
155 | ||
aec96832 | 156 | spin_lock_irqsave(&common->irqlock, flags); |
6ffefff5 | 157 | /* add the buffer to the DMA queue */ |
60aa38d8 | 158 | list_add_tail(&buf->list, &common->dma_queue); |
aec96832 | 159 | spin_unlock_irqrestore(&common->irqlock, flags); |
6ffefff5 MK |
160 | } |
161 | ||
41b9f24e LP |
162 | /** |
163 | * vpif_start_streaming : Starts the DMA engine for streaming | |
164 | * @vb: ptr to vb2_buffer | |
165 | * @count: number of buffers | |
166 | */ | |
60aa38d8 LP |
167 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
168 | { | |
169 | struct vpif_capture_config *vpif_config_data = | |
170 | vpif_dev->platform_data; | |
fa09accc | 171 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 LP |
172 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
173 | struct vpif_params *vpif = &ch->vpifparams; | |
bebd8d12 LP |
174 | struct vpif_cap_buffer *buf, *tmp; |
175 | unsigned long addr, flags; | |
60aa38d8 LP |
176 | int ret; |
177 | ||
aec96832 | 178 | spin_lock_irqsave(&common->irqlock, flags); |
60aa38d8 | 179 | |
c66238f3 | 180 | /* Initialize field_id */ |
60aa38d8 | 181 | ch->field_id = 0; |
60aa38d8 | 182 | |
60aa38d8 | 183 | /* configure 1 or 2 channel mode */ |
f4ad8d74 LP |
184 | if (vpif_config_data->setup_input_channel_mode) { |
185 | ret = vpif_config_data-> | |
186 | setup_input_channel_mode(vpif->std_info.ycmux_mode); | |
187 | if (ret < 0) { | |
188 | vpif_dbg(1, debug, "can't set vpif channel mode\n"); | |
bebd8d12 | 189 | goto err; |
f4ad8d74 | 190 | } |
60aa38d8 LP |
191 | } |
192 | ||
d9a3b13c LP |
193 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 1); |
194 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { | |
195 | vpif_dbg(1, debug, "stream on failed in subdev\n"); | |
196 | goto err; | |
197 | } | |
198 | ||
60aa38d8 LP |
199 | /* Call vpif_set_params function to set the parameters and addresses */ |
200 | ret = vpif_set_video_params(vpif, ch->channel_id); | |
60aa38d8 LP |
201 | if (ret < 0) { |
202 | vpif_dbg(1, debug, "can't set video params\n"); | |
bebd8d12 | 203 | goto err; |
60aa38d8 LP |
204 | } |
205 | ||
c66238f3 | 206 | ycmux_mode = ret; |
60aa38d8 LP |
207 | vpif_config_addr(ch, ret); |
208 | ||
bebd8d12 LP |
209 | /* Get the next frame from the buffer queue */ |
210 | common->cur_frm = common->next_frm = list_entry(common->dma_queue.next, | |
211 | struct vpif_cap_buffer, list); | |
212 | /* Remove buffer from the buffer queue */ | |
213 | list_del(&common->cur_frm->list); | |
214 | spin_unlock_irqrestore(&common->irqlock, flags); | |
bebd8d12 | 215 | |
2d700715 | 216 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
bebd8d12 | 217 | |
60aa38d8 LP |
218 | common->set_addr(addr + common->ytop_off, |
219 | addr + common->ybtm_off, | |
220 | addr + common->ctop_off, | |
221 | addr + common->cbtm_off); | |
222 | ||
223 | /** | |
224 | * Set interrupt for both the fields in VPIF Register enable channel in | |
225 | * VPIF register | |
226 | */ | |
9e18404a | 227 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
41b9f24e | 228 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { |
60aa38d8 LP |
229 | channel0_intr_assert(); |
230 | channel0_intr_enable(1); | |
231 | enable_channel0(1); | |
232 | } | |
41b9f24e | 233 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 234 | ycmux_mode == 2) { |
60aa38d8 LP |
235 | channel1_intr_assert(); |
236 | channel1_intr_enable(1); | |
237 | enable_channel1(1); | |
238 | } | |
60aa38d8 LP |
239 | |
240 | return 0; | |
bebd8d12 LP |
241 | |
242 | err: | |
243 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
244 | list_del(&buf->list); | |
2d700715 | 245 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
bebd8d12 | 246 | } |
92491968 | 247 | spin_unlock_irqrestore(&common->irqlock, flags); |
bebd8d12 LP |
248 | |
249 | return ret; | |
60aa38d8 LP |
250 | } |
251 | ||
41b9f24e LP |
252 | /** |
253 | * vpif_stop_streaming : Stop the DMA engine | |
254 | * @vq: ptr to vb2_queue | |
255 | * | |
256 | * This callback stops the DMA engine and any remaining buffers | |
257 | * in the DMA queue are released. | |
258 | */ | |
e37559b2 | 259 | static void vpif_stop_streaming(struct vb2_queue *vq) |
60aa38d8 | 260 | { |
fa09accc | 261 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 | 262 | struct common_obj *common; |
aec96832 | 263 | unsigned long flags; |
d9a3b13c | 264 | int ret; |
60aa38d8 | 265 | |
60aa38d8 LP |
266 | common = &ch->common[VPIF_VIDEO_INDEX]; |
267 | ||
e6ba3db1 LP |
268 | /* Disable channel as per its device type and channel id */ |
269 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { | |
270 | enable_channel0(0); | |
271 | channel0_intr_enable(0); | |
272 | } | |
41b9f24e | 273 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 274 | ycmux_mode == 2) { |
e6ba3db1 LP |
275 | enable_channel1(0); |
276 | channel1_intr_enable(0); | |
277 | } | |
c66238f3 LP |
278 | |
279 | ycmux_mode = 0; | |
e6ba3db1 | 280 | |
d9a3b13c LP |
281 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 0); |
282 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) | |
283 | vpif_dbg(1, debug, "stream off failed in subdev\n"); | |
284 | ||
60aa38d8 | 285 | /* release all active buffers */ |
aec96832 | 286 | spin_lock_irqsave(&common->irqlock, flags); |
e6ba3db1 | 287 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
288 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
289 | VB2_BUF_STATE_ERROR); | |
e6ba3db1 | 290 | } else { |
03161cdb | 291 | if (common->cur_frm) |
2d700715 | 292 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
e6ba3db1 | 293 | VB2_BUF_STATE_ERROR); |
03161cdb | 294 | if (common->next_frm) |
2d700715 | 295 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
e6ba3db1 LP |
296 | VB2_BUF_STATE_ERROR); |
297 | } | |
298 | ||
60aa38d8 LP |
299 | while (!list_empty(&common->dma_queue)) { |
300 | common->next_frm = list_entry(common->dma_queue.next, | |
301 | struct vpif_cap_buffer, list); | |
302 | list_del(&common->next_frm->list); | |
2d700715 JS |
303 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
304 | VB2_BUF_STATE_ERROR); | |
60aa38d8 | 305 | } |
aec96832 | 306 | spin_unlock_irqrestore(&common->irqlock, flags); |
60aa38d8 LP |
307 | } |
308 | ||
309 | static struct vb2_ops video_qops = { | |
310 | .queue_setup = vpif_buffer_queue_setup, | |
60aa38d8 LP |
311 | .buf_prepare = vpif_buffer_prepare, |
312 | .start_streaming = vpif_start_streaming, | |
313 | .stop_streaming = vpif_stop_streaming, | |
60aa38d8 | 314 | .buf_queue = vpif_buffer_queue, |
b41a97a2 PL |
315 | .wait_prepare = vb2_ops_wait_prepare, |
316 | .wait_finish = vb2_ops_wait_finish, | |
60aa38d8 LP |
317 | }; |
318 | ||
6ffefff5 MK |
319 | /** |
320 | * vpif_process_buffer_complete: process a completed buffer | |
321 | * @common: ptr to common channel object | |
322 | * | |
323 | * This function time stamp the buffer and mark it as DONE. It also | |
324 | * wake up any process waiting on the QUEUE and set the next buffer | |
325 | * as current | |
326 | */ | |
327 | static void vpif_process_buffer_complete(struct common_obj *common) | |
328 | { | |
d6dd645e | 329 | common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); |
2d700715 | 330 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); |
6ffefff5 MK |
331 | /* Make curFrm pointing to nextFrm */ |
332 | common->cur_frm = common->next_frm; | |
333 | } | |
334 | ||
335 | /** | |
336 | * vpif_schedule_next_buffer: set next buffer address for capture | |
337 | * @common : ptr to common channel object | |
338 | * | |
339 | * This function will get next buffer from the dma queue and | |
340 | * set the buffer address in the vpif register for capture. | |
341 | * the buffer is marked active | |
342 | */ | |
343 | static void vpif_schedule_next_buffer(struct common_obj *common) | |
344 | { | |
345 | unsigned long addr = 0; | |
346 | ||
aec96832 | 347 | spin_lock(&common->irqlock); |
6ffefff5 | 348 | common->next_frm = list_entry(common->dma_queue.next, |
60aa38d8 | 349 | struct vpif_cap_buffer, list); |
6ffefff5 | 350 | /* Remove that buffer from the buffer queue */ |
60aa38d8 | 351 | list_del(&common->next_frm->list); |
aec96832 | 352 | spin_unlock(&common->irqlock); |
2d700715 | 353 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
6ffefff5 MK |
354 | |
355 | /* Set top and bottom field addresses in VPIF registers */ | |
356 | common->set_addr(addr + common->ytop_off, | |
357 | addr + common->ybtm_off, | |
358 | addr + common->ctop_off, | |
359 | addr + common->cbtm_off); | |
360 | } | |
361 | ||
362 | /** | |
363 | * vpif_channel_isr : ISR handler for vpif capture | |
364 | * @irq: irq number | |
365 | * @dev_id: dev_id ptr | |
366 | * | |
367 | * It changes status of the captured buffer, takes next buffer from the queue | |
2c0ddd17 | 368 | * and sets its address in VPIF registers |
6ffefff5 MK |
369 | */ |
370 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
371 | { | |
372 | struct vpif_device *dev = &vpif_obj; | |
373 | struct common_obj *common; | |
374 | struct channel_obj *ch; | |
c64d61df | 375 | int channel_id; |
6ffefff5 MK |
376 | int fid = -1, i; |
377 | ||
378 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
379 | if (!vpif_intr_status(channel_id)) |
380 | return IRQ_NONE; | |
381 | ||
6ffefff5 MK |
382 | ch = dev->dev[channel_id]; |
383 | ||
6ffefff5 MK |
384 | for (i = 0; i < VPIF_NUMBER_OF_OBJECTS; i++) { |
385 | common = &ch->common[i]; | |
386 | /* skip If streaming is not started in this channel */ | |
6ffefff5 MK |
387 | /* Check the field format */ |
388 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
389 | /* Progressive mode */ | |
aec96832 HV |
390 | spin_lock(&common->irqlock); |
391 | if (list_empty(&common->dma_queue)) { | |
392 | spin_unlock(&common->irqlock); | |
6ffefff5 | 393 | continue; |
aec96832 HV |
394 | } |
395 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
396 | |
397 | if (!channel_first_int[i][channel_id]) | |
398 | vpif_process_buffer_complete(common); | |
399 | ||
400 | channel_first_int[i][channel_id] = 0; | |
401 | ||
402 | vpif_schedule_next_buffer(common); | |
403 | ||
404 | ||
405 | channel_first_int[i][channel_id] = 0; | |
406 | } else { | |
407 | /** | |
408 | * Interlaced mode. If it is first interrupt, ignore | |
409 | * it | |
410 | */ | |
411 | if (channel_first_int[i][channel_id]) { | |
412 | channel_first_int[i][channel_id] = 0; | |
413 | continue; | |
414 | } | |
415 | if (0 == i) { | |
416 | ch->field_id ^= 1; | |
417 | /* Get field id from VPIF registers */ | |
418 | fid = vpif_channel_getfid(ch->channel_id); | |
419 | if (fid != ch->field_id) { | |
420 | /** | |
421 | * If field id does not match stored | |
422 | * field id, make them in sync | |
423 | */ | |
424 | if (0 == fid) | |
425 | ch->field_id = fid; | |
426 | return IRQ_HANDLED; | |
427 | } | |
428 | } | |
429 | /* device field id and local field id are in sync */ | |
430 | if (0 == fid) { | |
431 | /* this is even field */ | |
432 | if (common->cur_frm == common->next_frm) | |
433 | continue; | |
434 | ||
435 | /* mark the current buffer as done */ | |
436 | vpif_process_buffer_complete(common); | |
437 | } else if (1 == fid) { | |
438 | /* odd field */ | |
aec96832 | 439 | spin_lock(&common->irqlock); |
6ffefff5 | 440 | if (list_empty(&common->dma_queue) || |
aec96832 HV |
441 | (common->cur_frm != common->next_frm)) { |
442 | spin_unlock(&common->irqlock); | |
6ffefff5 | 443 | continue; |
aec96832 HV |
444 | } |
445 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
446 | |
447 | vpif_schedule_next_buffer(common); | |
448 | } | |
449 | } | |
450 | } | |
451 | return IRQ_HANDLED; | |
452 | } | |
453 | ||
454 | /** | |
455 | * vpif_update_std_info() - update standard related info | |
456 | * @ch: ptr to channel object | |
457 | * | |
458 | * For a given standard selected by application, update values | |
459 | * in the device data structures | |
460 | */ | |
461 | static int vpif_update_std_info(struct channel_obj *ch) | |
462 | { | |
463 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
464 | struct vpif_params *vpifparams = &ch->vpifparams; | |
465 | const struct vpif_channel_config_params *config; | |
2c0ddd17 | 466 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
6ffefff5 MK |
467 | struct video_obj *vid_ch = &ch->video; |
468 | int index; | |
469 | ||
470 | vpif_dbg(2, debug, "vpif_update_std_info\n"); | |
471 | ||
aa444406 | 472 | for (index = 0; index < vpif_ch_params_count; index++) { |
ced9b21f | 473 | config = &vpif_ch_params[index]; |
40c8bcea MR |
474 | if (config->hd_sd == 0) { |
475 | vpif_dbg(2, debug, "SD format\n"); | |
476 | if (config->stdid & vid_ch->stdid) { | |
477 | memcpy(std_info, config, sizeof(*config)); | |
478 | break; | |
479 | } | |
480 | } else { | |
481 | vpif_dbg(2, debug, "HD format\n"); | |
0598c17b HV |
482 | if (!memcmp(&config->dv_timings, &vid_ch->dv_timings, |
483 | sizeof(vid_ch->dv_timings))) { | |
40c8bcea MR |
484 | memcpy(std_info, config, sizeof(*config)); |
485 | break; | |
486 | } | |
6ffefff5 MK |
487 | } |
488 | } | |
489 | ||
490 | /* standard not found */ | |
aa444406 | 491 | if (index == vpif_ch_params_count) |
6ffefff5 MK |
492 | return -EINVAL; |
493 | ||
494 | common->fmt.fmt.pix.width = std_info->width; | |
495 | common->width = std_info->width; | |
496 | common->fmt.fmt.pix.height = std_info->height; | |
497 | common->height = std_info->height; | |
a4965c59 | 498 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
6ffefff5 MK |
499 | common->fmt.fmt.pix.bytesperline = std_info->width; |
500 | vpifparams->video_params.hpitch = std_info->width; | |
501 | vpifparams->video_params.storage_mode = std_info->frm_fmt; | |
2c0ddd17 | 502 | |
a4965c59 LP |
503 | if (vid_ch->stdid) |
504 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
505 | else | |
506 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
507 | ||
508 | if (ch->vpifparams.std_info.frm_fmt) | |
509 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
510 | else | |
511 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
512 | ||
513 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) | |
514 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8; | |
515 | else | |
516 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; | |
517 | ||
518 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
519 | ||
6ffefff5 MK |
520 | return 0; |
521 | } | |
522 | ||
523 | /** | |
524 | * vpif_calculate_offsets : This function calculates buffers offsets | |
525 | * @ch : ptr to channel object | |
526 | * | |
527 | * This function calculates buffer offsets for Y and C in the top and | |
528 | * bottom field | |
529 | */ | |
530 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
531 | { | |
24ab6338 | 532 | unsigned int hpitch, sizeimage; |
6ffefff5 MK |
533 | struct video_obj *vid_ch = &(ch->video); |
534 | struct vpif_params *vpifparams = &ch->vpifparams; | |
535 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
536 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
537 | ||
538 | vpif_dbg(2, debug, "vpif_calculate_offsets\n"); | |
539 | ||
540 | if (V4L2_FIELD_ANY == field) { | |
541 | if (vpifparams->std_info.frm_fmt) | |
542 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
543 | else | |
544 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
545 | } else | |
546 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
547 | ||
60aa38d8 | 548 | sizeimage = common->fmt.fmt.pix.sizeimage; |
6ffefff5 MK |
549 | |
550 | hpitch = common->fmt.fmt.pix.bytesperline; | |
6ffefff5 MK |
551 | |
552 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
553 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
554 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
555 | common->ytop_off = 0; | |
556 | common->ybtm_off = hpitch; | |
557 | common->ctop_off = sizeimage / 2; | |
558 | common->cbtm_off = sizeimage / 2 + hpitch; | |
559 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
560 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
561 | common->ytop_off = 0; | |
562 | common->ybtm_off = sizeimage / 4; | |
563 | common->ctop_off = sizeimage / 2; | |
564 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
565 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
566 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
567 | common->ybtm_off = 0; | |
568 | common->ytop_off = sizeimage / 4; | |
569 | common->cbtm_off = sizeimage / 2; | |
570 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
571 | } | |
572 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
573 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) | |
574 | vpifparams->video_params.storage_mode = 1; | |
575 | else | |
576 | vpifparams->video_params.storage_mode = 0; | |
577 | ||
578 | if (1 == vpifparams->std_info.frm_fmt) | |
579 | vpifparams->video_params.hpitch = | |
580 | common->fmt.fmt.pix.bytesperline; | |
581 | else { | |
582 | if ((field == V4L2_FIELD_ANY) | |
583 | || (field == V4L2_FIELD_INTERLACED)) | |
584 | vpifparams->video_params.hpitch = | |
585 | common->fmt.fmt.pix.bytesperline * 2; | |
586 | else | |
587 | vpifparams->video_params.hpitch = | |
588 | common->fmt.fmt.pix.bytesperline; | |
589 | } | |
590 | ||
591 | ch->vpifparams.video_params.stdid = vpifparams->std_info.stdid; | |
592 | } | |
593 | ||
6ffefff5 MK |
594 | /** |
595 | * vpif_get_default_field() - Get default field type based on interface | |
596 | * @vpif_params - ptr to vpif params | |
597 | */ | |
598 | static inline enum v4l2_field vpif_get_default_field( | |
599 | struct vpif_interface *iface) | |
600 | { | |
601 | return (iface->if_type == VPIF_IF_RAW_BAYER) ? V4L2_FIELD_NONE : | |
602 | V4L2_FIELD_INTERLACED; | |
603 | } | |
604 | ||
6ffefff5 MK |
605 | /** |
606 | * vpif_config_addr() - function to configure buffer address in vpif | |
607 | * @ch - channel ptr | |
608 | * @muxmode - channel mux mode | |
609 | */ | |
610 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
611 | { | |
612 | struct common_obj *common; | |
613 | ||
614 | vpif_dbg(2, debug, "vpif_config_addr\n"); | |
615 | ||
616 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
617 | ||
618 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id) | |
619 | common->set_addr = ch1_set_videobuf_addr; | |
620 | else if (2 == muxmode) | |
621 | common->set_addr = ch0_set_videobuf_addr_yc_nmux; | |
622 | else | |
623 | common->set_addr = ch0_set_videobuf_addr; | |
624 | } | |
625 | ||
6ffefff5 | 626 | /** |
178cce12 HV |
627 | * vpif_input_to_subdev() - Maps input to sub device |
628 | * @vpif_cfg - global config ptr | |
629 | * @chan_cfg - channel config ptr | |
6ffefff5 | 630 | * @input_index - Given input index from application |
6ffefff5 MK |
631 | * |
632 | * lookup the sub device information for a given input index. | |
633 | * we report all the inputs to application. inputs table also | |
634 | * has sub device name for the each input | |
635 | */ | |
178cce12 HV |
636 | static int vpif_input_to_subdev( |
637 | struct vpif_capture_config *vpif_cfg, | |
638 | struct vpif_capture_chan_config *chan_cfg, | |
639 | int input_index) | |
6ffefff5 | 640 | { |
178cce12 HV |
641 | struct vpif_subdev_info *subdev_info; |
642 | const char *subdev_name; | |
6ffefff5 MK |
643 | int i; |
644 | ||
178cce12 | 645 | vpif_dbg(2, debug, "vpif_input_to_subdev\n"); |
6ffefff5 | 646 | |
bff782d7 KH |
647 | if (!chan_cfg) |
648 | return -1; | |
649 | if (input_index >= chan_cfg->input_count) | |
650 | return -1; | |
178cce12 | 651 | subdev_name = chan_cfg->inputs[input_index].subdev_name; |
03161cdb | 652 | if (!subdev_name) |
178cce12 | 653 | return -1; |
6ffefff5 MK |
654 | |
655 | /* loop through the sub device list to get the sub device info */ | |
656 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
657 | subdev_info = &vpif_cfg->subdev_info[i]; | |
658 | if (!strcmp(subdev_info->name, subdev_name)) | |
178cce12 | 659 | return i; |
6ffefff5 | 660 | } |
178cce12 HV |
661 | return -1; |
662 | } | |
6ffefff5 | 663 | |
178cce12 HV |
664 | /** |
665 | * vpif_set_input() - Select an input | |
666 | * @vpif_cfg - global config ptr | |
667 | * @ch - channel | |
668 | * @_index - Given input index from application | |
669 | * | |
670 | * Select the given input. | |
671 | */ | |
672 | static int vpif_set_input( | |
673 | struct vpif_capture_config *vpif_cfg, | |
674 | struct channel_obj *ch, | |
675 | int index) | |
676 | { | |
677 | struct vpif_capture_chan_config *chan_cfg = | |
678 | &vpif_cfg->chan_config[ch->channel_id]; | |
679 | struct vpif_subdev_info *subdev_info = NULL; | |
680 | struct v4l2_subdev *sd = NULL; | |
681 | u32 input = 0, output = 0; | |
682 | int sd_index; | |
683 | int ret; | |
6ffefff5 | 684 | |
178cce12 HV |
685 | sd_index = vpif_input_to_subdev(vpif_cfg, chan_cfg, index); |
686 | if (sd_index >= 0) { | |
687 | sd = vpif_obj.sd[sd_index]; | |
688 | subdev_info = &vpif_cfg->subdev_info[sd_index]; | |
bff782d7 KH |
689 | } else { |
690 | /* no subdevice, no input to setup */ | |
691 | return 0; | |
178cce12 | 692 | } |
6ffefff5 | 693 | |
178cce12 HV |
694 | /* first setup input path from sub device to vpif */ |
695 | if (sd && vpif_cfg->setup_input_path) { | |
696 | ret = vpif_cfg->setup_input_path(ch->channel_id, | |
697 | subdev_info->name); | |
698 | if (ret < 0) { | |
699 | vpif_dbg(1, debug, "couldn't setup input path for the" \ | |
700 | " sub device %s, for input index %d\n", | |
701 | subdev_info->name, index); | |
702 | return ret; | |
703 | } | |
704 | } | |
705 | ||
706 | if (sd) { | |
707 | input = chan_cfg->inputs[index].input_route; | |
708 | output = chan_cfg->inputs[index].output_route; | |
709 | ret = v4l2_subdev_call(sd, video, s_routing, | |
710 | input, output, 0); | |
711 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
712 | vpif_dbg(1, debug, "Failed to set input\n"); | |
713 | return ret; | |
714 | } | |
715 | } | |
716 | ch->input_idx = index; | |
717 | ch->sd = sd; | |
718 | /* copy interface parameters to vpif */ | |
0d4f35f3 | 719 | ch->vpifparams.iface = chan_cfg->vpif_if; |
178cce12 HV |
720 | |
721 | /* update tvnorms from the sub device input info */ | |
8eef6669 | 722 | ch->video_dev.tvnorms = chan_cfg->inputs[index].input.std; |
178cce12 | 723 | return 0; |
6ffefff5 MK |
724 | } |
725 | ||
726 | /** | |
727 | * vpif_querystd() - querystd handler | |
728 | * @file: file ptr | |
729 | * @priv: file handle | |
730 | * @std_id: ptr to std id | |
731 | * | |
732 | * This function is called to detect standard at the selected input | |
733 | */ | |
734 | static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id) | |
735 | { | |
7ff51197 LP |
736 | struct video_device *vdev = video_devdata(file); |
737 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6a842cc2 | 738 | int ret; |
6ffefff5 MK |
739 | |
740 | vpif_dbg(2, debug, "vpif_querystd\n"); | |
741 | ||
6ffefff5 | 742 | /* Call querystd function of decoder device */ |
178cce12 | 743 | ret = v4l2_subdev_call(ch->sd, video, querystd, std_id); |
6ffefff5 | 744 | |
178cce12 HV |
745 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
746 | return -ENODATA; | |
747 | if (ret) { | |
748 | vpif_dbg(1, debug, "Failed to query standard for sub devices\n"); | |
749 | return ret; | |
750 | } | |
751 | ||
752 | return 0; | |
6ffefff5 MK |
753 | } |
754 | ||
755 | /** | |
756 | * vpif_g_std() - get STD handler | |
757 | * @file: file ptr | |
758 | * @priv: file handle | |
759 | * @std_id: ptr to std id | |
760 | */ | |
761 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
762 | { | |
d557b7d5 | 763 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
764 | struct video_device *vdev = video_devdata(file); |
765 | struct channel_obj *ch = video_get_drvdata(vdev); | |
d557b7d5 LP |
766 | struct vpif_capture_chan_config *chan_cfg; |
767 | struct v4l2_input input; | |
6ffefff5 MK |
768 | |
769 | vpif_dbg(2, debug, "vpif_g_std\n"); | |
770 | ||
03161cdb | 771 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
772 | return -ENODATA; |
773 | ||
774 | chan_cfg = &config->chan_config[ch->channel_id]; | |
775 | input = chan_cfg->inputs[ch->input_idx].input; | |
776 | if (input.capabilities != V4L2_IN_CAP_STD) | |
777 | return -ENODATA; | |
778 | ||
6ffefff5 MK |
779 | *std = ch->video.stdid; |
780 | return 0; | |
781 | } | |
782 | ||
783 | /** | |
784 | * vpif_s_std() - set STD handler | |
785 | * @file: file ptr | |
786 | * @priv: file handle | |
787 | * @std_id: ptr to std id | |
788 | */ | |
314527ac | 789 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
6ffefff5 | 790 | { |
d557b7d5 | 791 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
792 | struct video_device *vdev = video_devdata(file); |
793 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 794 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
d557b7d5 LP |
795 | struct vpif_capture_chan_config *chan_cfg; |
796 | struct v4l2_input input; | |
797 | int ret; | |
6ffefff5 MK |
798 | |
799 | vpif_dbg(2, debug, "vpif_s_std\n"); | |
800 | ||
03161cdb | 801 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
802 | return -ENODATA; |
803 | ||
804 | chan_cfg = &config->chan_config[ch->channel_id]; | |
805 | input = chan_cfg->inputs[ch->input_idx].input; | |
806 | if (input.capabilities != V4L2_IN_CAP_STD) | |
807 | return -ENODATA; | |
808 | ||
c66238f3 | 809 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 810 | return -EBUSY; |
6ffefff5 | 811 | |
6ffefff5 | 812 | /* Call encoder subdevice function to set the standard */ |
314527ac | 813 | ch->video.stdid = std_id; |
0598c17b | 814 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
6ffefff5 MK |
815 | |
816 | /* Get the information about the standard */ | |
817 | if (vpif_update_std_info(ch)) { | |
6ffefff5 | 818 | vpif_err("Error getting the standard info\n"); |
46656afa | 819 | return -EINVAL; |
6ffefff5 MK |
820 | } |
821 | ||
6ffefff5 | 822 | /* set standard in the sub device */ |
8774bed9 | 823 | ret = v4l2_subdev_call(ch->sd, video, s_std, std_id); |
178cce12 | 824 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { |
6ffefff5 | 825 | vpif_dbg(1, debug, "Failed to set standard for sub devices\n"); |
178cce12 HV |
826 | return ret; |
827 | } | |
828 | return 0; | |
6ffefff5 MK |
829 | } |
830 | ||
831 | /** | |
832 | * vpif_enum_input() - ENUMINPUT handler | |
833 | * @file: file ptr | |
834 | * @priv: file handle | |
835 | * @input: ptr to input structure | |
836 | */ | |
837 | static int vpif_enum_input(struct file *file, void *priv, | |
838 | struct v4l2_input *input) | |
839 | { | |
840 | ||
841 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
842 | struct video_device *vdev = video_devdata(file); |
843 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 844 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
845 | |
846 | chan_cfg = &config->chan_config[ch->channel_id]; | |
847 | ||
a4965c59 | 848 | if (input->index >= chan_cfg->input_count) |
6ffefff5 | 849 | return -EINVAL; |
6ffefff5 MK |
850 | |
851 | memcpy(input, &chan_cfg->inputs[input->index].input, | |
852 | sizeof(*input)); | |
853 | return 0; | |
854 | } | |
855 | ||
856 | /** | |
857 | * vpif_g_input() - Get INPUT handler | |
858 | * @file: file ptr | |
859 | * @priv: file handle | |
860 | * @index: ptr to input index | |
861 | */ | |
862 | static int vpif_g_input(struct file *file, void *priv, unsigned int *index) | |
863 | { | |
7ff51197 LP |
864 | struct video_device *vdev = video_devdata(file); |
865 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 866 | |
6f47c6c6 | 867 | *index = ch->input_idx; |
6ffefff5 MK |
868 | return 0; |
869 | } | |
870 | ||
871 | /** | |
872 | * vpif_s_input() - Set INPUT handler | |
873 | * @file: file ptr | |
874 | * @priv: file handle | |
875 | * @index: input index | |
876 | */ | |
877 | static int vpif_s_input(struct file *file, void *priv, unsigned int index) | |
878 | { | |
879 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
880 | struct video_device *vdev = video_devdata(file); |
881 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 882 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
7ff51197 | 883 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
884 | |
885 | chan_cfg = &config->chan_config[ch->channel_id]; | |
886 | ||
7aaad131 HV |
887 | if (index >= chan_cfg->input_count) |
888 | return -EINVAL; | |
889 | ||
c66238f3 | 890 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 891 | return -EBUSY; |
6ffefff5 | 892 | |
178cce12 | 893 | return vpif_set_input(config, ch, index); |
6ffefff5 MK |
894 | } |
895 | ||
896 | /** | |
897 | * vpif_enum_fmt_vid_cap() - ENUM_FMT handler | |
898 | * @file: file ptr | |
899 | * @priv: file handle | |
900 | * @index: input index | |
901 | */ | |
902 | static int vpif_enum_fmt_vid_cap(struct file *file, void *priv, | |
903 | struct v4l2_fmtdesc *fmt) | |
904 | { | |
7ff51197 LP |
905 | struct video_device *vdev = video_devdata(file); |
906 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
907 | |
908 | if (fmt->index != 0) { | |
909 | vpif_dbg(1, debug, "Invalid format index\n"); | |
910 | return -EINVAL; | |
911 | } | |
912 | ||
913 | /* Fill in the information about format */ | |
914 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) { | |
915 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
916 | strcpy(fmt->description, "Raw Mode -Bayer Pattern GrRBGb"); | |
917 | fmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
918 | } else { | |
919 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
920 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
921 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
922 | } | |
923 | return 0; | |
924 | } | |
925 | ||
926 | /** | |
927 | * vpif_try_fmt_vid_cap() - TRY_FMT handler | |
928 | * @file: file ptr | |
929 | * @priv: file handle | |
930 | * @fmt: ptr to v4l2 format structure | |
931 | */ | |
932 | static int vpif_try_fmt_vid_cap(struct file *file, void *priv, | |
933 | struct v4l2_format *fmt) | |
934 | { | |
7ff51197 LP |
935 | struct video_device *vdev = video_devdata(file); |
936 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 937 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
a4965c59 LP |
938 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); |
939 | struct vpif_params *vpif_params = &ch->vpifparams; | |
940 | ||
941 | /* | |
942 | * to supress v4l-compliance warnings silently correct | |
943 | * the pixelformat | |
944 | */ | |
945 | if (vpif_params->iface.if_type == VPIF_IF_RAW_BAYER) { | |
946 | if (pixfmt->pixelformat != V4L2_PIX_FMT_SBGGR8) | |
947 | pixfmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
948 | } else { | |
949 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
950 | pixfmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
951 | } | |
952 | ||
953 | common->fmt.fmt.pix.pixelformat = pixfmt->pixelformat; | |
6ffefff5 | 954 | |
a4965c59 LP |
955 | vpif_update_std_info(ch); |
956 | ||
957 | pixfmt->field = common->fmt.fmt.pix.field; | |
958 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
959 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
960 | pixfmt->width = common->fmt.fmt.pix.width; | |
961 | pixfmt->height = common->fmt.fmt.pix.height; | |
962 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
963 | pixfmt->priv = 0; | |
964 | ||
965 | return 0; | |
6ffefff5 MK |
966 | } |
967 | ||
968 | ||
969 | /** | |
970 | * vpif_g_fmt_vid_cap() - Set INPUT handler | |
971 | * @file: file ptr | |
972 | * @priv: file handle | |
973 | * @fmt: ptr to v4l2 format structure | |
974 | */ | |
975 | static int vpif_g_fmt_vid_cap(struct file *file, void *priv, | |
976 | struct v4l2_format *fmt) | |
977 | { | |
7ff51197 LP |
978 | struct video_device *vdev = video_devdata(file); |
979 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
980 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
981 | ||
982 | /* Check the validity of the buffer type */ | |
983 | if (common->fmt.type != fmt->type) | |
984 | return -EINVAL; | |
985 | ||
986 | /* Fill in the information about format */ | |
6ffefff5 | 987 | *fmt = common->fmt; |
6ffefff5 MK |
988 | return 0; |
989 | } | |
990 | ||
991 | /** | |
992 | * vpif_s_fmt_vid_cap() - Set FMT handler | |
993 | * @file: file ptr | |
994 | * @priv: file handle | |
995 | * @fmt: ptr to v4l2 format structure | |
996 | */ | |
997 | static int vpif_s_fmt_vid_cap(struct file *file, void *priv, | |
998 | struct v4l2_format *fmt) | |
999 | { | |
7ff51197 LP |
1000 | struct video_device *vdev = video_devdata(file); |
1001 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 1002 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
a4965c59 | 1003 | int ret; |
6ffefff5 | 1004 | |
2c0ddd17 | 1005 | vpif_dbg(2, debug, "%s\n", __func__); |
6ffefff5 | 1006 | |
c66238f3 | 1007 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 1008 | return -EBUSY; |
6ffefff5 | 1009 | |
a4965c59 | 1010 | ret = vpif_try_fmt_vid_cap(file, priv, fmt); |
6ffefff5 MK |
1011 | if (ret) |
1012 | return ret; | |
a4965c59 | 1013 | |
6ffefff5 | 1014 | /* store the format in the channel object */ |
6ffefff5 | 1015 | common->fmt = *fmt; |
6ffefff5 MK |
1016 | return 0; |
1017 | } | |
1018 | ||
1019 | /** | |
1020 | * vpif_querycap() - QUERYCAP handler | |
1021 | * @file: file ptr | |
1022 | * @priv: file handle | |
1023 | * @cap: ptr to v4l2_capability structure | |
1024 | */ | |
1025 | static int vpif_querycap(struct file *file, void *priv, | |
1026 | struct v4l2_capability *cap) | |
1027 | { | |
1028 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
1029 | ||
626d533f LP |
1030 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
1031 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
e75ea0c1 | 1032 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
1033 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
1034 | dev_name(vpif_dev)); | |
6ffefff5 MK |
1035 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
1036 | ||
1037 | return 0; | |
1038 | } | |
1039 | ||
40c8bcea | 1040 | /** |
0598c17b | 1041 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1042 | * @file: file ptr |
1043 | * @priv: file handle | |
0598c17b | 1044 | * @timings: input timings |
40c8bcea | 1045 | */ |
0598c17b HV |
1046 | static int |
1047 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1048 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 1049 | { |
1e8852af | 1050 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1051 | struct video_device *vdev = video_devdata(file); |
1052 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1053 | struct vpif_capture_chan_config *chan_cfg; |
1054 | struct v4l2_input input; | |
178cce12 | 1055 | int ret; |
40c8bcea | 1056 | |
03161cdb | 1057 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1058 | return -ENODATA; |
1059 | ||
1060 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1061 | input = chan_cfg->inputs[ch->input_idx].input; | |
1062 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1063 | return -ENODATA; | |
1064 | ||
10d2146d LP |
1065 | timings->pad = 0; |
1066 | ||
1067 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
e070f1b4 | 1068 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1069 | return -EINVAL; |
1e8852af | 1070 | |
178cce12 | 1071 | return ret; |
40c8bcea MR |
1072 | } |
1073 | ||
1074 | /** | |
0598c17b | 1075 | * vpif_query_dv_timings() - QUERY_DV_TIMINGS handler |
40c8bcea MR |
1076 | * @file: file ptr |
1077 | * @priv: file handle | |
0598c17b | 1078 | * @timings: input timings |
40c8bcea | 1079 | */ |
0598c17b HV |
1080 | static int |
1081 | vpif_query_dv_timings(struct file *file, void *priv, | |
1082 | struct v4l2_dv_timings *timings) | |
40c8bcea | 1083 | { |
1e8852af | 1084 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1085 | struct video_device *vdev = video_devdata(file); |
1086 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1087 | struct vpif_capture_chan_config *chan_cfg; |
1088 | struct v4l2_input input; | |
178cce12 | 1089 | int ret; |
40c8bcea | 1090 | |
03161cdb | 1091 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1092 | return -ENODATA; |
1093 | ||
1094 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1095 | input = chan_cfg->inputs[ch->input_idx].input; | |
1096 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1097 | return -ENODATA; | |
1098 | ||
178cce12 | 1099 | ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); |
e070f1b4 | 1100 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1101 | return -ENODATA; |
1e8852af | 1102 | |
178cce12 | 1103 | return ret; |
40c8bcea MR |
1104 | } |
1105 | ||
c027e165 MR |
1106 | /** |
1107 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1108 | * @file: file ptr | |
1109 | * @priv: file handle | |
1110 | * @timings: digital video timings | |
1111 | */ | |
1112 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1113 | struct v4l2_dv_timings *timings) | |
1114 | { | |
1e8852af | 1115 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1116 | struct video_device *vdev = video_devdata(file); |
1117 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 MR |
1118 | struct vpif_params *vpifparams = &ch->vpifparams; |
1119 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1e8852af | 1120 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 | 1121 | struct video_obj *vid_ch = &ch->video; |
0598c17b | 1122 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1e8852af LP |
1123 | struct vpif_capture_chan_config *chan_cfg; |
1124 | struct v4l2_input input; | |
c027e165 MR |
1125 | int ret; |
1126 | ||
03161cdb | 1127 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1128 | return -ENODATA; |
1129 | ||
1130 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1131 | input = chan_cfg->inputs[ch->input_idx].input; | |
1132 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1133 | return -ENODATA; | |
1134 | ||
c027e165 MR |
1135 | if (timings->type != V4L2_DV_BT_656_1120) { |
1136 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1137 | return -EINVAL; | |
1138 | } | |
1139 | ||
1e8852af LP |
1140 | if (vb2_is_busy(&common->buffer_queue)) |
1141 | return -EBUSY; | |
1142 | ||
c027e165 | 1143 | /* Configure subdevice timings, if any */ |
178cce12 HV |
1144 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
1145 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) | |
1146 | ret = 0; | |
c027e165 MR |
1147 | if (ret < 0) { |
1148 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); | |
1149 | return ret; | |
1150 | } | |
1151 | ||
1152 | if (!(timings->bt.width && timings->bt.height && | |
1153 | (timings->bt.hbackporch || | |
1154 | timings->bt.hfrontporch || | |
1155 | timings->bt.hsync) && | |
1156 | timings->bt.vfrontporch && | |
1157 | (timings->bt.vbackporch || | |
1158 | timings->bt.vsync))) { | |
ded026e0 | 1159 | vpif_dbg(2, debug, "Timings for width, height, horizontal back porch, horizontal sync, horizontal front porch, vertical back porch, vertical sync and vertical back porch must be defined\n"); |
c027e165 MR |
1160 | return -EINVAL; |
1161 | } | |
1162 | ||
0598c17b | 1163 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1164 | |
1165 | /* Configure video port timings */ | |
1166 | ||
e3655268 | 1167 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
1168 | std_info->sav2eav = bt->width; |
1169 | ||
1170 | std_info->l1 = 1; | |
1171 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1172 | ||
e3655268 | 1173 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
1174 | if (bt->interlaced) { |
1175 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
1176 | std_info->l5 = std_info->vsize/2 - |
1177 | (bt->vfrontporch - 1); | |
1178 | std_info->l7 = std_info->vsize/2 + 1; | |
1179 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1180 | bt->il_vbackporch + 1; | |
1181 | std_info->l11 = std_info->vsize - | |
1182 | (bt->il_vfrontporch - 1); | |
1183 | } else { | |
ded026e0 | 1184 | vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n"); |
c027e165 MR |
1185 | return -EINVAL; |
1186 | } | |
1187 | } else { | |
c027e165 MR |
1188 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
1189 | } | |
1190 | strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME); | |
1191 | std_info->width = bt->width; | |
1192 | std_info->height = bt->height; | |
1193 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1194 | std_info->ycmux_mode = 0; | |
1195 | std_info->capture_format = 0; | |
1196 | std_info->vbi_supported = 0; | |
1197 | std_info->hd_sd = 1; | |
1198 | std_info->stdid = 0; | |
c027e165 MR |
1199 | |
1200 | vid_ch->stdid = 0; | |
c027e165 MR |
1201 | return 0; |
1202 | } | |
1203 | ||
1204 | /** | |
1205 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1206 | * @file: file ptr | |
1207 | * @priv: file handle | |
1208 | * @timings: digital video timings | |
1209 | */ | |
1210 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1211 | struct v4l2_dv_timings *timings) | |
1212 | { | |
1e8852af | 1213 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1214 | struct video_device *vdev = video_devdata(file); |
1215 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 1216 | struct video_obj *vid_ch = &ch->video; |
1e8852af LP |
1217 | struct vpif_capture_chan_config *chan_cfg; |
1218 | struct v4l2_input input; | |
1219 | ||
03161cdb | 1220 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1221 | return -ENODATA; |
1222 | ||
1223 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1224 | input = chan_cfg->inputs[ch->input_idx].input; | |
1225 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1226 | return -ENODATA; | |
c027e165 | 1227 | |
0598c17b | 1228 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1229 | |
1230 | return 0; | |
1231 | } | |
1232 | ||
7036d6a7 MR |
1233 | /* |
1234 | * vpif_log_status() - Status information | |
1235 | * @file: file ptr | |
1236 | * @priv: file handle | |
1237 | * | |
1238 | * Returns zero. | |
1239 | */ | |
1240 | static int vpif_log_status(struct file *filep, void *priv) | |
1241 | { | |
1242 | /* status for sub devices */ | |
1243 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1244 | ||
1245 | return 0; | |
1246 | } | |
1247 | ||
6ffefff5 MK |
1248 | /* vpif capture ioctl operations */ |
1249 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
7b4657fa | 1250 | .vidioc_querycap = vpif_querycap, |
6ffefff5 | 1251 | .vidioc_enum_fmt_vid_cap = vpif_enum_fmt_vid_cap, |
7b4657fa | 1252 | .vidioc_g_fmt_vid_cap = vpif_g_fmt_vid_cap, |
6ffefff5 MK |
1253 | .vidioc_s_fmt_vid_cap = vpif_s_fmt_vid_cap, |
1254 | .vidioc_try_fmt_vid_cap = vpif_try_fmt_vid_cap, | |
7b4657fa | 1255 | |
6ffefff5 MK |
1256 | .vidioc_enum_input = vpif_enum_input, |
1257 | .vidioc_s_input = vpif_s_input, | |
1258 | .vidioc_g_input = vpif_g_input, | |
d9a3b13c LP |
1259 | |
1260 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1261 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1262 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1263 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1264 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1265 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1266 | .vidioc_streamon = vb2_ioctl_streamon, | |
1267 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1268 | ||
6ffefff5 | 1269 | .vidioc_querystd = vpif_querystd, |
7b4657fa | 1270 | .vidioc_s_std = vpif_s_std, |
6ffefff5 | 1271 | .vidioc_g_std = vpif_g_std, |
d9a3b13c | 1272 | |
7b4657fa LP |
1273 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
1274 | .vidioc_query_dv_timings = vpif_query_dv_timings, | |
1275 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1276 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1277 | ||
7036d6a7 | 1278 | .vidioc_log_status = vpif_log_status, |
6ffefff5 MK |
1279 | }; |
1280 | ||
1281 | /* vpif file operations */ | |
1282 | static struct v4l2_file_operations vpif_fops = { | |
1283 | .owner = THIS_MODULE, | |
7ff51197 LP |
1284 | .open = v4l2_fh_open, |
1285 | .release = vb2_fop_release, | |
46656afa | 1286 | .unlocked_ioctl = video_ioctl2, |
d26d26b5 LP |
1287 | .mmap = vb2_fop_mmap, |
1288 | .poll = vb2_fop_poll | |
6ffefff5 MK |
1289 | }; |
1290 | ||
6ffefff5 MK |
1291 | /** |
1292 | * initialize_vpif() - Initialize vpif data structures | |
1293 | * | |
1294 | * Allocate memory for data structures and initialize them | |
1295 | */ | |
1296 | static int initialize_vpif(void) | |
1297 | { | |
4015bef6 | 1298 | int err, i, j; |
6ffefff5 MK |
1299 | int free_channel_objects_index; |
1300 | ||
6ffefff5 MK |
1301 | /* Allocate memory for six channel objects */ |
1302 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1303 | vpif_obj.dev[i] = | |
1304 | kzalloc(sizeof(*vpif_obj.dev[i]), GFP_KERNEL); | |
1305 | /* If memory allocation fails, return error */ | |
1306 | if (!vpif_obj.dev[i]) { | |
1307 | free_channel_objects_index = i; | |
1308 | err = -ENOMEM; | |
1309 | goto vpif_init_free_channel_objects; | |
1310 | } | |
1311 | } | |
1312 | return 0; | |
1313 | ||
1314 | vpif_init_free_channel_objects: | |
1315 | for (j = 0; j < free_channel_objects_index; j++) | |
1316 | kfree(vpif_obj.dev[j]); | |
1317 | return err; | |
1318 | } | |
1319 | ||
873229e4 LP |
1320 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1321 | struct v4l2_subdev *subdev, | |
1322 | struct v4l2_async_subdev *asd) | |
1323 | { | |
1324 | int i; | |
1325 | ||
1326 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1327 | if (!strcmp(vpif_obj.config->subdev_info[i].name, | |
1328 | subdev->name)) { | |
1329 | vpif_obj.sd[i] = subdev; | |
1330 | return 0; | |
1331 | } | |
1332 | ||
1333 | return -EINVAL; | |
1334 | } | |
1335 | ||
1336 | static int vpif_probe_complete(void) | |
1337 | { | |
1338 | struct common_obj *common; | |
d26d26b5 | 1339 | struct video_device *vdev; |
873229e4 | 1340 | struct channel_obj *ch; |
fa09accc | 1341 | struct vb2_queue *q; |
8eef6669 | 1342 | int j, err, k; |
873229e4 LP |
1343 | |
1344 | for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) { | |
1345 | ch = vpif_obj.dev[j]; | |
1346 | ch->channel_id = j; | |
1347 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1348 | spin_lock_init(&common->irqlock); | |
1349 | mutex_init(&common->lock); | |
873229e4 LP |
1350 | |
1351 | /* select input 0 */ | |
1352 | err = vpif_set_input(vpif_obj.config, ch, 0); | |
1353 | if (err) | |
1354 | goto probe_out; | |
1355 | ||
a4965c59 LP |
1356 | /* set initial format */ |
1357 | ch->video.stdid = V4L2_STD_525_60; | |
1358 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1359 | vpif_update_std_info(ch); | |
1360 | ||
fa09accc LP |
1361 | /* Initialize vb2 queue */ |
1362 | q = &common->buffer_queue; | |
1363 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1364 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1365 | q->drv_priv = ch; | |
1366 | q->ops = &video_qops; | |
1367 | q->mem_ops = &vb2_dma_contig_memops; | |
1368 | q->buf_struct_size = sizeof(struct vpif_cap_buffer); | |
1369 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1370 | q->min_buffers_needed = 1; | |
999ba69b | 1371 | q->lock = &common->lock; |
53ddcc68 | 1372 | q->dev = vpif_dev; |
fa09accc LP |
1373 | |
1374 | err = vb2_queue_init(q); | |
1375 | if (err) { | |
1376 | vpif_err("vpif_capture: vb2_queue_init() failed\n"); | |
1377 | goto probe_out; | |
1378 | } | |
1379 | ||
fa09accc LP |
1380 | INIT_LIST_HEAD(&common->dma_queue); |
1381 | ||
e75ea0c1 | 1382 | /* Initialize the video_device structure */ |
8eef6669 | 1383 | vdev = &ch->video_dev; |
e75ea0c1 | 1384 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
8eef6669 | 1385 | vdev->release = video_device_release_empty; |
e75ea0c1 LP |
1386 | vdev->fops = &vpif_fops; |
1387 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1388 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1389 | vdev->vfl_dir = VFL_DIR_RX; | |
d26d26b5 | 1390 | vdev->queue = q; |
7ff51197 | 1391 | vdev->lock = &common->lock; |
8eef6669 | 1392 | video_set_drvdata(&ch->video_dev, ch); |
d26d26b5 | 1393 | err = video_register_device(vdev, |
873229e4 LP |
1394 | VFL_TYPE_GRABBER, (j ? 1 : 0)); |
1395 | if (err) | |
1396 | goto probe_out; | |
1397 | } | |
1398 | ||
1399 | v4l2_info(&vpif_obj.v4l2_dev, "VPIF capture driver initialized\n"); | |
1400 | return 0; | |
1401 | ||
1402 | probe_out: | |
1403 | for (k = 0; k < j; k++) { | |
1404 | /* Get the pointer to the channel object */ | |
1405 | ch = vpif_obj.dev[k]; | |
fa09accc | 1406 | common = &ch->common[k]; |
873229e4 | 1407 | /* Unregister video device */ |
8eef6669 | 1408 | video_unregister_device(&ch->video_dev); |
873229e4 LP |
1409 | } |
1410 | kfree(vpif_obj.sd); | |
873229e4 LP |
1411 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
1412 | ||
1413 | return err; | |
1414 | } | |
1415 | ||
1416 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1417 | { | |
1418 | return vpif_probe_complete(); | |
1419 | } | |
1420 | ||
6ffefff5 MK |
1421 | /** |
1422 | * vpif_probe : This function probes the vpif capture driver | |
1423 | * @pdev: platform device pointer | |
1424 | * | |
1425 | * This creates device entries by register itself to the V4L2 driver and | |
1426 | * initializes fields of each channel objects | |
1427 | */ | |
1428 | static __init int vpif_probe(struct platform_device *pdev) | |
1429 | { | |
1430 | struct vpif_subdev_info *subdevdata; | |
6ffefff5 | 1431 | struct i2c_adapter *i2c_adap; |
6ffefff5 MK |
1432 | struct resource *res; |
1433 | int subdev_count; | |
8eef6669 LP |
1434 | int res_idx = 0; |
1435 | int i, err; | |
6ffefff5 | 1436 | |
bff782d7 KH |
1437 | if (!pdev->dev.platform_data) { |
1438 | dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); | |
1439 | return -EINVAL; | |
1440 | } | |
1441 | ||
6ffefff5 MK |
1442 | vpif_dev = &pdev->dev; |
1443 | ||
1444 | err = initialize_vpif(); | |
1445 | if (err) { | |
1446 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1447 | return err; | |
1448 | } | |
1449 | ||
d2f7a1a2 HV |
1450 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1451 | if (err) { | |
1452 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1453 | return err; | |
1454 | } | |
1455 | ||
5be452c3 | 1456 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
a76a0b33 | 1457 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
e75ea0c1 | 1458 | IRQF_SHARED, VPIF_DRIVER_NAME, |
a76a0b33 LP |
1459 | (void *)(&vpif_obj.dev[res_idx]-> |
1460 | channel_id)); | |
1461 | if (err) { | |
1462 | err = -EINVAL; | |
1463 | goto vpif_unregister; | |
6ffefff5 | 1464 | } |
5be452c3 | 1465 | res_idx++; |
6ffefff5 MK |
1466 | } |
1467 | ||
873229e4 | 1468 | vpif_obj.config = pdev->dev.platform_data; |
6ffefff5 | 1469 | |
873229e4 | 1470 | subdev_count = vpif_obj.config->subdev_count; |
b442c46f | 1471 | vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); |
03161cdb | 1472 | if (!vpif_obj.sd) { |
6ffefff5 | 1473 | err = -ENOMEM; |
8eef6669 | 1474 | goto vpif_unregister; |
6ffefff5 MK |
1475 | } |
1476 | ||
873229e4 LP |
1477 | if (!vpif_obj.config->asd_sizes) { |
1478 | i2c_adap = i2c_get_adapter(1); | |
1479 | for (i = 0; i < subdev_count; i++) { | |
1480 | subdevdata = &vpif_obj.config->subdev_info[i]; | |
1481 | vpif_obj.sd[i] = | |
1482 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1483 | i2c_adap, | |
1484 | &subdevdata-> | |
1485 | board_info, | |
1486 | NULL); | |
1487 | ||
1488 | if (!vpif_obj.sd[i]) { | |
1489 | vpif_err("Error registering v4l2 subdevice\n"); | |
2fcd9dc3 | 1490 | err = -ENODEV; |
873229e4 LP |
1491 | goto probe_subdev_out; |
1492 | } | |
1493 | v4l2_info(&vpif_obj.v4l2_dev, | |
1494 | "registered sub device %s\n", | |
1495 | subdevdata->name); | |
1496 | } | |
1497 | vpif_probe_complete(); | |
1498 | } else { | |
e8419d08 | 1499 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
873229e4 LP |
1500 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
1501 | vpif_obj.notifier.bound = vpif_async_bound; | |
1502 | vpif_obj.notifier.complete = vpif_async_complete; | |
1503 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, | |
1504 | &vpif_obj.notifier); | |
1505 | if (err) { | |
1506 | vpif_err("Error registering async notifier\n"); | |
1507 | err = -EINVAL; | |
6ffefff5 MK |
1508 | goto probe_subdev_out; |
1509 | } | |
6ffefff5 | 1510 | } |
6ffefff5 MK |
1511 | |
1512 | return 0; | |
1513 | ||
b65814e5 HV |
1514 | probe_subdev_out: |
1515 | /* free sub devices memory */ | |
1516 | kfree(vpif_obj.sd); | |
b2de4f25 | 1517 | vpif_unregister: |
d2f7a1a2 | 1518 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
b2de4f25 | 1519 | |
6ffefff5 MK |
1520 | return err; |
1521 | } | |
1522 | ||
1523 | /** | |
1524 | * vpif_remove() - driver remove handler | |
1525 | * @device: ptr to platform device structure | |
1526 | * | |
1527 | * The vidoe device is unregistered | |
1528 | */ | |
1529 | static int vpif_remove(struct platform_device *device) | |
1530 | { | |
fa09accc | 1531 | struct common_obj *common; |
6ffefff5 | 1532 | struct channel_obj *ch; |
b2de4f25 | 1533 | int i; |
6ffefff5 MK |
1534 | |
1535 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1536 | ||
410ca605 | 1537 | kfree(vpif_obj.sd); |
6ffefff5 MK |
1538 | /* un-register device */ |
1539 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1540 | /* Get the pointer to the channel object */ | |
1541 | ch = vpif_obj.dev[i]; | |
e9b5872c | 1542 | common = &ch->common[VPIF_VIDEO_INDEX]; |
6ffefff5 | 1543 | /* Unregister video device */ |
8eef6669 | 1544 | video_unregister_device(&ch->video_dev); |
410ca605 | 1545 | kfree(vpif_obj.dev[i]); |
6ffefff5 MK |
1546 | } |
1547 | return 0; | |
1548 | } | |
1549 | ||
b7047713 | 1550 | #ifdef CONFIG_PM_SLEEP |
6ffefff5 MK |
1551 | /** |
1552 | * vpif_suspend: vpif device suspend | |
6ffefff5 | 1553 | */ |
3d5946dc | 1554 | static int vpif_suspend(struct device *dev) |
6ffefff5 | 1555 | { |
3d5946dc MH |
1556 | |
1557 | struct common_obj *common; | |
1558 | struct channel_obj *ch; | |
1559 | int i; | |
1560 | ||
1561 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1562 | /* Get the pointer to the channel object */ | |
1563 | ch = vpif_obj.dev[i]; | |
1564 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1565 | |
c54d4a0b | 1566 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1567 | continue; |
1568 | ||
3d5946dc | 1569 | mutex_lock(&common->lock); |
b7047713 LP |
1570 | /* Disable channel */ |
1571 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1572 | enable_channel0(0); | |
1573 | channel0_intr_enable(0); | |
1574 | } | |
1575 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1576 | ycmux_mode == 2) { | |
1577 | enable_channel1(0); | |
1578 | channel1_intr_enable(0); | |
3d5946dc MH |
1579 | } |
1580 | mutex_unlock(&common->lock); | |
1581 | } | |
1582 | ||
1583 | return 0; | |
6ffefff5 MK |
1584 | } |
1585 | ||
3d5946dc | 1586 | /* |
6ffefff5 | 1587 | * vpif_resume: vpif device suspend |
6ffefff5 | 1588 | */ |
3d5946dc | 1589 | static int vpif_resume(struct device *dev) |
6ffefff5 | 1590 | { |
3d5946dc MH |
1591 | struct common_obj *common; |
1592 | struct channel_obj *ch; | |
1593 | int i; | |
1594 | ||
1595 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1596 | /* Get the pointer to the channel object */ | |
1597 | ch = vpif_obj.dev[i]; | |
1598 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1599 | |
c54d4a0b | 1600 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1601 | continue; |
1602 | ||
3d5946dc | 1603 | mutex_lock(&common->lock); |
b7047713 LP |
1604 | /* Enable channel */ |
1605 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1606 | enable_channel0(1); | |
1607 | channel0_intr_enable(1); | |
1608 | } | |
1609 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1610 | ycmux_mode == 2) { | |
1611 | enable_channel1(1); | |
1612 | channel1_intr_enable(1); | |
3d5946dc MH |
1613 | } |
1614 | mutex_unlock(&common->lock); | |
1615 | } | |
1616 | ||
1617 | return 0; | |
6ffefff5 | 1618 | } |
3d5946dc MH |
1619 | #endif |
1620 | ||
b7047713 LP |
1621 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1622 | ||
ffa1b391 | 1623 | static __refdata struct platform_driver vpif_driver = { |
6ffefff5 | 1624 | .driver = { |
e75ea0c1 | 1625 | .name = VPIF_DRIVER_NAME, |
b7047713 | 1626 | .pm = &vpif_pm_ops, |
6ffefff5 MK |
1627 | }, |
1628 | .probe = vpif_probe, | |
1629 | .remove = vpif_remove, | |
1630 | }; | |
1631 | ||
fe424b2f | 1632 | module_platform_driver(vpif_driver); |