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Commit | Line | Data |
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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 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
18 | * | |
19 | * TODO : add support for VBI & HBI data service | |
20 | * add static buffer allocation | |
21 | */ | |
012eef70 | 22 | |
6ffefff5 | 23 | #include <linux/module.h> |
6ffefff5 | 24 | #include <linux/interrupt.h> |
6ffefff5 | 25 | #include <linux/platform_device.h> |
5a0e3ad6 | 26 | #include <linux/slab.h> |
012eef70 | 27 | |
012eef70 | 28 | #include <media/v4l2-ioctl.h> |
6ffefff5 | 29 | |
6ffefff5 | 30 | #include "vpif.h" |
012eef70 | 31 | #include "vpif_capture.h" |
6ffefff5 MK |
32 | |
33 | MODULE_DESCRIPTION("TI DaVinci VPIF Capture driver"); | |
34 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 35 | MODULE_VERSION(VPIF_CAPTURE_VERSION); |
6ffefff5 MK |
36 | |
37 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
38 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
39 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
40 | ||
41 | static int debug = 1; | |
6ffefff5 MK |
42 | |
43 | module_param(debug, int, 0644); | |
6ffefff5 MK |
44 | |
45 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
6ffefff5 | 46 | |
e75ea0c1 LP |
47 | #define VPIF_DRIVER_NAME "vpif_capture" |
48 | ||
6ffefff5 MK |
49 | /* global variables */ |
50 | static struct vpif_device vpif_obj = { {NULL} }; | |
51 | static struct device *vpif_dev; | |
60aa38d8 LP |
52 | static void vpif_calculate_offsets(struct channel_obj *ch); |
53 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
6ffefff5 | 54 | |
fa09accc LP |
55 | static u8 channel_first_int[VPIF_NUMBER_OF_OBJECTS][2] = { {1, 1} }; |
56 | ||
c66238f3 LP |
57 | /* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ |
58 | static int ycmux_mode; | |
59 | ||
2d700715 JS |
60 | static inline |
61 | struct vpif_cap_buffer *to_vpif_buffer(struct vb2_v4l2_buffer *vb) | |
fa09accc LP |
62 | { |
63 | return container_of(vb, struct vpif_cap_buffer, vb); | |
64 | } | |
65 | ||
6ffefff5 | 66 | /** |
23e76a2a | 67 | * vpif_buffer_prepare : callback function for buffer prepare |
60aa38d8 | 68 | * @vb: ptr to vb2_buffer |
6ffefff5 | 69 | * |
60aa38d8 | 70 | * This is the callback function for buffer prepare when vb2_qbuf() |
6ffefff5 MK |
71 | * function is called. The buffer is prepared and user space virtual address |
72 | * or user address is converted into physical address | |
73 | */ | |
60aa38d8 | 74 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
6ffefff5 | 75 | { |
2d700715 | 76 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
60aa38d8 | 77 | struct vb2_queue *q = vb->vb2_queue; |
fa09accc | 78 | struct channel_obj *ch = vb2_get_drv_priv(q); |
6ffefff5 MK |
79 | struct common_obj *common; |
80 | unsigned long addr; | |
81 | ||
6ffefff5 MK |
82 | vpif_dbg(2, debug, "vpif_buffer_prepare\n"); |
83 | ||
84 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
85 | ||
23e76a2a LP |
86 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); |
87 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
88 | return -EINVAL; | |
89 | ||
2d700715 | 90 | vbuf->field = common->fmt.fmt.pix.field; |
23e76a2a LP |
91 | |
92 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
93 | if (!IS_ALIGNED((addr + common->ytop_off), 8) || | |
94 | !IS_ALIGNED((addr + common->ybtm_off), 8) || | |
95 | !IS_ALIGNED((addr + common->ctop_off), 8) || | |
96 | !IS_ALIGNED((addr + common->cbtm_off), 8)) { | |
97 | vpif_dbg(1, debug, "offset is not aligned\n"); | |
98 | return -EINVAL; | |
6ffefff5 | 99 | } |
23e76a2a | 100 | |
6ffefff5 | 101 | return 0; |
6ffefff5 MK |
102 | } |
103 | ||
104 | /** | |
60aa38d8 LP |
105 | * vpif_buffer_queue_setup : Callback function for buffer setup. |
106 | * @vq: vb2_queue ptr | |
60aa38d8 LP |
107 | * @nbuffers: ptr to number of buffers requested by application |
108 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
109 | * @sizes[]: contains the size (in bytes) of each plane. | |
36c0f8b3 | 110 | * @alloc_devs: ptr to allocation context |
6ffefff5 MK |
111 | * |
112 | * This callback function is called when reqbuf() is called to adjust | |
113 | * the buffer count and buffer size | |
114 | */ | |
60aa38d8 | 115 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
60aa38d8 | 116 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 117 | unsigned int sizes[], struct device *alloc_devs[]) |
6ffefff5 | 118 | { |
fa09accc | 119 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
df9ecb0c HV |
120 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
121 | unsigned size = common->fmt.fmt.pix.sizeimage; | |
6ffefff5 MK |
122 | |
123 | vpif_dbg(2, debug, "vpif_buffer_setup\n"); | |
124 | ||
df9ecb0c HV |
125 | if (*nplanes) { |
126 | if (sizes[0] < size) | |
127 | return -EINVAL; | |
128 | size = sizes[0]; | |
129 | } | |
764af39a | 130 | |
837939de LP |
131 | if (vq->num_buffers + *nbuffers < 3) |
132 | *nbuffers = 3 - vq->num_buffers; | |
60aa38d8 LP |
133 | |
134 | *nplanes = 1; | |
df9ecb0c | 135 | sizes[0] = size; |
60aa38d8 | 136 | |
837939de LP |
137 | /* Calculate the offset for Y and C data in the buffer */ |
138 | vpif_calculate_offsets(ch); | |
139 | ||
6ffefff5 MK |
140 | return 0; |
141 | } | |
142 | ||
143 | /** | |
144 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
60aa38d8 | 145 | * @vb: ptr to vb2_buffer |
6ffefff5 | 146 | */ |
60aa38d8 | 147 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
6ffefff5 | 148 | { |
2d700715 | 149 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
fa09accc | 150 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 151 | struct vpif_cap_buffer *buf = to_vpif_buffer(vbuf); |
6ffefff5 | 152 | struct common_obj *common; |
aec96832 | 153 | unsigned long flags; |
6ffefff5 MK |
154 | |
155 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
156 | ||
157 | vpif_dbg(2, debug, "vpif_buffer_queue\n"); | |
158 | ||
aec96832 | 159 | spin_lock_irqsave(&common->irqlock, flags); |
6ffefff5 | 160 | /* add the buffer to the DMA queue */ |
60aa38d8 | 161 | list_add_tail(&buf->list, &common->dma_queue); |
aec96832 | 162 | spin_unlock_irqrestore(&common->irqlock, flags); |
6ffefff5 MK |
163 | } |
164 | ||
41b9f24e LP |
165 | /** |
166 | * vpif_start_streaming : Starts the DMA engine for streaming | |
167 | * @vb: ptr to vb2_buffer | |
168 | * @count: number of buffers | |
169 | */ | |
60aa38d8 LP |
170 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
171 | { | |
172 | struct vpif_capture_config *vpif_config_data = | |
173 | vpif_dev->platform_data; | |
fa09accc | 174 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 LP |
175 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
176 | struct vpif_params *vpif = &ch->vpifparams; | |
bebd8d12 LP |
177 | struct vpif_cap_buffer *buf, *tmp; |
178 | unsigned long addr, flags; | |
60aa38d8 LP |
179 | int ret; |
180 | ||
aec96832 | 181 | spin_lock_irqsave(&common->irqlock, flags); |
60aa38d8 | 182 | |
c66238f3 | 183 | /* Initialize field_id */ |
60aa38d8 | 184 | ch->field_id = 0; |
60aa38d8 | 185 | |
60aa38d8 | 186 | /* configure 1 or 2 channel mode */ |
f4ad8d74 LP |
187 | if (vpif_config_data->setup_input_channel_mode) { |
188 | ret = vpif_config_data-> | |
189 | setup_input_channel_mode(vpif->std_info.ycmux_mode); | |
190 | if (ret < 0) { | |
191 | vpif_dbg(1, debug, "can't set vpif channel mode\n"); | |
bebd8d12 | 192 | goto err; |
f4ad8d74 | 193 | } |
60aa38d8 LP |
194 | } |
195 | ||
d9a3b13c LP |
196 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 1); |
197 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { | |
198 | vpif_dbg(1, debug, "stream on failed in subdev\n"); | |
199 | goto err; | |
200 | } | |
201 | ||
60aa38d8 LP |
202 | /* Call vpif_set_params function to set the parameters and addresses */ |
203 | ret = vpif_set_video_params(vpif, ch->channel_id); | |
60aa38d8 LP |
204 | if (ret < 0) { |
205 | vpif_dbg(1, debug, "can't set video params\n"); | |
bebd8d12 | 206 | goto err; |
60aa38d8 LP |
207 | } |
208 | ||
c66238f3 | 209 | ycmux_mode = ret; |
60aa38d8 LP |
210 | vpif_config_addr(ch, ret); |
211 | ||
bebd8d12 LP |
212 | /* Get the next frame from the buffer queue */ |
213 | common->cur_frm = common->next_frm = list_entry(common->dma_queue.next, | |
214 | struct vpif_cap_buffer, list); | |
215 | /* Remove buffer from the buffer queue */ | |
216 | list_del(&common->cur_frm->list); | |
217 | spin_unlock_irqrestore(&common->irqlock, flags); | |
bebd8d12 | 218 | |
2d700715 | 219 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
bebd8d12 | 220 | |
60aa38d8 LP |
221 | common->set_addr(addr + common->ytop_off, |
222 | addr + common->ybtm_off, | |
223 | addr + common->ctop_off, | |
224 | addr + common->cbtm_off); | |
225 | ||
226 | /** | |
227 | * Set interrupt for both the fields in VPIF Register enable channel in | |
228 | * VPIF register | |
229 | */ | |
9e18404a | 230 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
41b9f24e | 231 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { |
60aa38d8 LP |
232 | channel0_intr_assert(); |
233 | channel0_intr_enable(1); | |
234 | enable_channel0(1); | |
235 | } | |
41b9f24e | 236 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 237 | ycmux_mode == 2) { |
60aa38d8 LP |
238 | channel1_intr_assert(); |
239 | channel1_intr_enable(1); | |
240 | enable_channel1(1); | |
241 | } | |
60aa38d8 LP |
242 | |
243 | return 0; | |
bebd8d12 LP |
244 | |
245 | err: | |
246 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
247 | list_del(&buf->list); | |
2d700715 | 248 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
bebd8d12 | 249 | } |
92491968 | 250 | spin_unlock_irqrestore(&common->irqlock, flags); |
bebd8d12 LP |
251 | |
252 | return ret; | |
60aa38d8 LP |
253 | } |
254 | ||
41b9f24e LP |
255 | /** |
256 | * vpif_stop_streaming : Stop the DMA engine | |
257 | * @vq: ptr to vb2_queue | |
258 | * | |
259 | * This callback stops the DMA engine and any remaining buffers | |
260 | * in the DMA queue are released. | |
261 | */ | |
e37559b2 | 262 | static void vpif_stop_streaming(struct vb2_queue *vq) |
60aa38d8 | 263 | { |
fa09accc | 264 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 | 265 | struct common_obj *common; |
aec96832 | 266 | unsigned long flags; |
d9a3b13c | 267 | int ret; |
60aa38d8 | 268 | |
60aa38d8 LP |
269 | common = &ch->common[VPIF_VIDEO_INDEX]; |
270 | ||
e6ba3db1 LP |
271 | /* Disable channel as per its device type and channel id */ |
272 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { | |
273 | enable_channel0(0); | |
274 | channel0_intr_enable(0); | |
275 | } | |
41b9f24e | 276 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 277 | ycmux_mode == 2) { |
e6ba3db1 LP |
278 | enable_channel1(0); |
279 | channel1_intr_enable(0); | |
280 | } | |
c66238f3 LP |
281 | |
282 | ycmux_mode = 0; | |
e6ba3db1 | 283 | |
d9a3b13c LP |
284 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 0); |
285 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) | |
286 | vpif_dbg(1, debug, "stream off failed in subdev\n"); | |
287 | ||
60aa38d8 | 288 | /* release all active buffers */ |
aec96832 | 289 | spin_lock_irqsave(&common->irqlock, flags); |
e6ba3db1 | 290 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
291 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
292 | VB2_BUF_STATE_ERROR); | |
e6ba3db1 | 293 | } else { |
03161cdb | 294 | if (common->cur_frm) |
2d700715 | 295 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
e6ba3db1 | 296 | VB2_BUF_STATE_ERROR); |
03161cdb | 297 | if (common->next_frm) |
2d700715 | 298 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
e6ba3db1 LP |
299 | VB2_BUF_STATE_ERROR); |
300 | } | |
301 | ||
60aa38d8 LP |
302 | while (!list_empty(&common->dma_queue)) { |
303 | common->next_frm = list_entry(common->dma_queue.next, | |
304 | struct vpif_cap_buffer, list); | |
305 | list_del(&common->next_frm->list); | |
2d700715 JS |
306 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
307 | VB2_BUF_STATE_ERROR); | |
60aa38d8 | 308 | } |
aec96832 | 309 | spin_unlock_irqrestore(&common->irqlock, flags); |
60aa38d8 LP |
310 | } |
311 | ||
312 | static struct vb2_ops video_qops = { | |
313 | .queue_setup = vpif_buffer_queue_setup, | |
60aa38d8 LP |
314 | .buf_prepare = vpif_buffer_prepare, |
315 | .start_streaming = vpif_start_streaming, | |
316 | .stop_streaming = vpif_stop_streaming, | |
60aa38d8 | 317 | .buf_queue = vpif_buffer_queue, |
b41a97a2 PL |
318 | .wait_prepare = vb2_ops_wait_prepare, |
319 | .wait_finish = vb2_ops_wait_finish, | |
60aa38d8 LP |
320 | }; |
321 | ||
6ffefff5 MK |
322 | /** |
323 | * vpif_process_buffer_complete: process a completed buffer | |
324 | * @common: ptr to common channel object | |
325 | * | |
326 | * This function time stamp the buffer and mark it as DONE. It also | |
327 | * wake up any process waiting on the QUEUE and set the next buffer | |
328 | * as current | |
329 | */ | |
330 | static void vpif_process_buffer_complete(struct common_obj *common) | |
331 | { | |
d6dd645e | 332 | common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); |
2d700715 | 333 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); |
6ffefff5 MK |
334 | /* Make curFrm pointing to nextFrm */ |
335 | common->cur_frm = common->next_frm; | |
336 | } | |
337 | ||
338 | /** | |
339 | * vpif_schedule_next_buffer: set next buffer address for capture | |
340 | * @common : ptr to common channel object | |
341 | * | |
342 | * This function will get next buffer from the dma queue and | |
343 | * set the buffer address in the vpif register for capture. | |
344 | * the buffer is marked active | |
345 | */ | |
346 | static void vpif_schedule_next_buffer(struct common_obj *common) | |
347 | { | |
348 | unsigned long addr = 0; | |
349 | ||
aec96832 | 350 | spin_lock(&common->irqlock); |
6ffefff5 | 351 | common->next_frm = list_entry(common->dma_queue.next, |
60aa38d8 | 352 | struct vpif_cap_buffer, list); |
6ffefff5 | 353 | /* Remove that buffer from the buffer queue */ |
60aa38d8 | 354 | list_del(&common->next_frm->list); |
aec96832 | 355 | spin_unlock(&common->irqlock); |
2d700715 | 356 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
6ffefff5 MK |
357 | |
358 | /* Set top and bottom field addresses in VPIF registers */ | |
359 | common->set_addr(addr + common->ytop_off, | |
360 | addr + common->ybtm_off, | |
361 | addr + common->ctop_off, | |
362 | addr + common->cbtm_off); | |
363 | } | |
364 | ||
365 | /** | |
366 | * vpif_channel_isr : ISR handler for vpif capture | |
367 | * @irq: irq number | |
368 | * @dev_id: dev_id ptr | |
369 | * | |
370 | * It changes status of the captured buffer, takes next buffer from the queue | |
2c0ddd17 | 371 | * and sets its address in VPIF registers |
6ffefff5 MK |
372 | */ |
373 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
374 | { | |
375 | struct vpif_device *dev = &vpif_obj; | |
376 | struct common_obj *common; | |
377 | struct channel_obj *ch; | |
6ffefff5 MK |
378 | int channel_id = 0; |
379 | int fid = -1, i; | |
380 | ||
381 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
382 | if (!vpif_intr_status(channel_id)) |
383 | return IRQ_NONE; | |
384 | ||
6ffefff5 MK |
385 | ch = dev->dev[channel_id]; |
386 | ||
6ffefff5 MK |
387 | for (i = 0; i < VPIF_NUMBER_OF_OBJECTS; i++) { |
388 | common = &ch->common[i]; | |
389 | /* skip If streaming is not started in this channel */ | |
6ffefff5 MK |
390 | /* Check the field format */ |
391 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
392 | /* Progressive mode */ | |
aec96832 HV |
393 | spin_lock(&common->irqlock); |
394 | if (list_empty(&common->dma_queue)) { | |
395 | spin_unlock(&common->irqlock); | |
6ffefff5 | 396 | continue; |
aec96832 HV |
397 | } |
398 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
399 | |
400 | if (!channel_first_int[i][channel_id]) | |
401 | vpif_process_buffer_complete(common); | |
402 | ||
403 | channel_first_int[i][channel_id] = 0; | |
404 | ||
405 | vpif_schedule_next_buffer(common); | |
406 | ||
407 | ||
408 | channel_first_int[i][channel_id] = 0; | |
409 | } else { | |
410 | /** | |
411 | * Interlaced mode. If it is first interrupt, ignore | |
412 | * it | |
413 | */ | |
414 | if (channel_first_int[i][channel_id]) { | |
415 | channel_first_int[i][channel_id] = 0; | |
416 | continue; | |
417 | } | |
418 | if (0 == i) { | |
419 | ch->field_id ^= 1; | |
420 | /* Get field id from VPIF registers */ | |
421 | fid = vpif_channel_getfid(ch->channel_id); | |
422 | if (fid != ch->field_id) { | |
423 | /** | |
424 | * If field id does not match stored | |
425 | * field id, make them in sync | |
426 | */ | |
427 | if (0 == fid) | |
428 | ch->field_id = fid; | |
429 | return IRQ_HANDLED; | |
430 | } | |
431 | } | |
432 | /* device field id and local field id are in sync */ | |
433 | if (0 == fid) { | |
434 | /* this is even field */ | |
435 | if (common->cur_frm == common->next_frm) | |
436 | continue; | |
437 | ||
438 | /* mark the current buffer as done */ | |
439 | vpif_process_buffer_complete(common); | |
440 | } else if (1 == fid) { | |
441 | /* odd field */ | |
aec96832 | 442 | spin_lock(&common->irqlock); |
6ffefff5 | 443 | if (list_empty(&common->dma_queue) || |
aec96832 HV |
444 | (common->cur_frm != common->next_frm)) { |
445 | spin_unlock(&common->irqlock); | |
6ffefff5 | 446 | continue; |
aec96832 HV |
447 | } |
448 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
449 | |
450 | vpif_schedule_next_buffer(common); | |
451 | } | |
452 | } | |
453 | } | |
454 | return IRQ_HANDLED; | |
455 | } | |
456 | ||
457 | /** | |
458 | * vpif_update_std_info() - update standard related info | |
459 | * @ch: ptr to channel object | |
460 | * | |
461 | * For a given standard selected by application, update values | |
462 | * in the device data structures | |
463 | */ | |
464 | static int vpif_update_std_info(struct channel_obj *ch) | |
465 | { | |
466 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
467 | struct vpif_params *vpifparams = &ch->vpifparams; | |
468 | const struct vpif_channel_config_params *config; | |
2c0ddd17 | 469 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
6ffefff5 MK |
470 | struct video_obj *vid_ch = &ch->video; |
471 | int index; | |
472 | ||
473 | vpif_dbg(2, debug, "vpif_update_std_info\n"); | |
474 | ||
aa444406 | 475 | for (index = 0; index < vpif_ch_params_count; index++) { |
ced9b21f | 476 | config = &vpif_ch_params[index]; |
40c8bcea MR |
477 | if (config->hd_sd == 0) { |
478 | vpif_dbg(2, debug, "SD format\n"); | |
479 | if (config->stdid & vid_ch->stdid) { | |
480 | memcpy(std_info, config, sizeof(*config)); | |
481 | break; | |
482 | } | |
483 | } else { | |
484 | vpif_dbg(2, debug, "HD format\n"); | |
0598c17b HV |
485 | if (!memcmp(&config->dv_timings, &vid_ch->dv_timings, |
486 | sizeof(vid_ch->dv_timings))) { | |
40c8bcea MR |
487 | memcpy(std_info, config, sizeof(*config)); |
488 | break; | |
489 | } | |
6ffefff5 MK |
490 | } |
491 | } | |
492 | ||
493 | /* standard not found */ | |
aa444406 | 494 | if (index == vpif_ch_params_count) |
6ffefff5 MK |
495 | return -EINVAL; |
496 | ||
497 | common->fmt.fmt.pix.width = std_info->width; | |
498 | common->width = std_info->width; | |
499 | common->fmt.fmt.pix.height = std_info->height; | |
500 | common->height = std_info->height; | |
a4965c59 | 501 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
6ffefff5 MK |
502 | common->fmt.fmt.pix.bytesperline = std_info->width; |
503 | vpifparams->video_params.hpitch = std_info->width; | |
504 | vpifparams->video_params.storage_mode = std_info->frm_fmt; | |
2c0ddd17 | 505 | |
a4965c59 LP |
506 | if (vid_ch->stdid) |
507 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
508 | else | |
509 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
510 | ||
511 | if (ch->vpifparams.std_info.frm_fmt) | |
512 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
513 | else | |
514 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
515 | ||
516 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) | |
517 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8; | |
518 | else | |
519 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; | |
520 | ||
521 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
522 | ||
6ffefff5 MK |
523 | return 0; |
524 | } | |
525 | ||
526 | /** | |
527 | * vpif_calculate_offsets : This function calculates buffers offsets | |
528 | * @ch : ptr to channel object | |
529 | * | |
530 | * This function calculates buffer offsets for Y and C in the top and | |
531 | * bottom field | |
532 | */ | |
533 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
534 | { | |
24ab6338 | 535 | unsigned int hpitch, sizeimage; |
6ffefff5 MK |
536 | struct video_obj *vid_ch = &(ch->video); |
537 | struct vpif_params *vpifparams = &ch->vpifparams; | |
538 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
539 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
540 | ||
541 | vpif_dbg(2, debug, "vpif_calculate_offsets\n"); | |
542 | ||
543 | if (V4L2_FIELD_ANY == field) { | |
544 | if (vpifparams->std_info.frm_fmt) | |
545 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
546 | else | |
547 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
548 | } else | |
549 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
550 | ||
60aa38d8 | 551 | sizeimage = common->fmt.fmt.pix.sizeimage; |
6ffefff5 MK |
552 | |
553 | hpitch = common->fmt.fmt.pix.bytesperline; | |
6ffefff5 MK |
554 | |
555 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
556 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
557 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
558 | common->ytop_off = 0; | |
559 | common->ybtm_off = hpitch; | |
560 | common->ctop_off = sizeimage / 2; | |
561 | common->cbtm_off = sizeimage / 2 + hpitch; | |
562 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
563 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
564 | common->ytop_off = 0; | |
565 | common->ybtm_off = sizeimage / 4; | |
566 | common->ctop_off = sizeimage / 2; | |
567 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
568 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
569 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
570 | common->ybtm_off = 0; | |
571 | common->ytop_off = sizeimage / 4; | |
572 | common->cbtm_off = sizeimage / 2; | |
573 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
574 | } | |
575 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
576 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) | |
577 | vpifparams->video_params.storage_mode = 1; | |
578 | else | |
579 | vpifparams->video_params.storage_mode = 0; | |
580 | ||
581 | if (1 == vpifparams->std_info.frm_fmt) | |
582 | vpifparams->video_params.hpitch = | |
583 | common->fmt.fmt.pix.bytesperline; | |
584 | else { | |
585 | if ((field == V4L2_FIELD_ANY) | |
586 | || (field == V4L2_FIELD_INTERLACED)) | |
587 | vpifparams->video_params.hpitch = | |
588 | common->fmt.fmt.pix.bytesperline * 2; | |
589 | else | |
590 | vpifparams->video_params.hpitch = | |
591 | common->fmt.fmt.pix.bytesperline; | |
592 | } | |
593 | ||
594 | ch->vpifparams.video_params.stdid = vpifparams->std_info.stdid; | |
595 | } | |
596 | ||
6ffefff5 MK |
597 | /** |
598 | * vpif_get_default_field() - Get default field type based on interface | |
599 | * @vpif_params - ptr to vpif params | |
600 | */ | |
601 | static inline enum v4l2_field vpif_get_default_field( | |
602 | struct vpif_interface *iface) | |
603 | { | |
604 | return (iface->if_type == VPIF_IF_RAW_BAYER) ? V4L2_FIELD_NONE : | |
605 | V4L2_FIELD_INTERLACED; | |
606 | } | |
607 | ||
6ffefff5 MK |
608 | /** |
609 | * vpif_config_addr() - function to configure buffer address in vpif | |
610 | * @ch - channel ptr | |
611 | * @muxmode - channel mux mode | |
612 | */ | |
613 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
614 | { | |
615 | struct common_obj *common; | |
616 | ||
617 | vpif_dbg(2, debug, "vpif_config_addr\n"); | |
618 | ||
619 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
620 | ||
621 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id) | |
622 | common->set_addr = ch1_set_videobuf_addr; | |
623 | else if (2 == muxmode) | |
624 | common->set_addr = ch0_set_videobuf_addr_yc_nmux; | |
625 | else | |
626 | common->set_addr = ch0_set_videobuf_addr; | |
627 | } | |
628 | ||
6ffefff5 | 629 | /** |
178cce12 HV |
630 | * vpif_input_to_subdev() - Maps input to sub device |
631 | * @vpif_cfg - global config ptr | |
632 | * @chan_cfg - channel config ptr | |
6ffefff5 | 633 | * @input_index - Given input index from application |
6ffefff5 MK |
634 | * |
635 | * lookup the sub device information for a given input index. | |
636 | * we report all the inputs to application. inputs table also | |
637 | * has sub device name for the each input | |
638 | */ | |
178cce12 HV |
639 | static int vpif_input_to_subdev( |
640 | struct vpif_capture_config *vpif_cfg, | |
641 | struct vpif_capture_chan_config *chan_cfg, | |
642 | int input_index) | |
6ffefff5 | 643 | { |
178cce12 HV |
644 | struct vpif_subdev_info *subdev_info; |
645 | const char *subdev_name; | |
6ffefff5 MK |
646 | int i; |
647 | ||
178cce12 | 648 | vpif_dbg(2, debug, "vpif_input_to_subdev\n"); |
6ffefff5 | 649 | |
178cce12 | 650 | subdev_name = chan_cfg->inputs[input_index].subdev_name; |
03161cdb | 651 | if (!subdev_name) |
178cce12 | 652 | return -1; |
6ffefff5 MK |
653 | |
654 | /* loop through the sub device list to get the sub device info */ | |
655 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
656 | subdev_info = &vpif_cfg->subdev_info[i]; | |
657 | if (!strcmp(subdev_info->name, subdev_name)) | |
178cce12 | 658 | return i; |
6ffefff5 | 659 | } |
178cce12 HV |
660 | return -1; |
661 | } | |
6ffefff5 | 662 | |
178cce12 HV |
663 | /** |
664 | * vpif_set_input() - Select an input | |
665 | * @vpif_cfg - global config ptr | |
666 | * @ch - channel | |
667 | * @_index - Given input index from application | |
668 | * | |
669 | * Select the given input. | |
670 | */ | |
671 | static int vpif_set_input( | |
672 | struct vpif_capture_config *vpif_cfg, | |
673 | struct channel_obj *ch, | |
674 | int index) | |
675 | { | |
676 | struct vpif_capture_chan_config *chan_cfg = | |
677 | &vpif_cfg->chan_config[ch->channel_id]; | |
678 | struct vpif_subdev_info *subdev_info = NULL; | |
679 | struct v4l2_subdev *sd = NULL; | |
680 | u32 input = 0, output = 0; | |
681 | int sd_index; | |
682 | int ret; | |
6ffefff5 | 683 | |
178cce12 HV |
684 | sd_index = vpif_input_to_subdev(vpif_cfg, chan_cfg, index); |
685 | if (sd_index >= 0) { | |
686 | sd = vpif_obj.sd[sd_index]; | |
687 | subdev_info = &vpif_cfg->subdev_info[sd_index]; | |
688 | } | |
6ffefff5 | 689 | |
178cce12 HV |
690 | /* first setup input path from sub device to vpif */ |
691 | if (sd && vpif_cfg->setup_input_path) { | |
692 | ret = vpif_cfg->setup_input_path(ch->channel_id, | |
693 | subdev_info->name); | |
694 | if (ret < 0) { | |
695 | vpif_dbg(1, debug, "couldn't setup input path for the" \ | |
696 | " sub device %s, for input index %d\n", | |
697 | subdev_info->name, index); | |
698 | return ret; | |
699 | } | |
700 | } | |
701 | ||
702 | if (sd) { | |
703 | input = chan_cfg->inputs[index].input_route; | |
704 | output = chan_cfg->inputs[index].output_route; | |
705 | ret = v4l2_subdev_call(sd, video, s_routing, | |
706 | input, output, 0); | |
707 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
708 | vpif_dbg(1, debug, "Failed to set input\n"); | |
709 | return ret; | |
710 | } | |
711 | } | |
712 | ch->input_idx = index; | |
713 | ch->sd = sd; | |
714 | /* copy interface parameters to vpif */ | |
0d4f35f3 | 715 | ch->vpifparams.iface = chan_cfg->vpif_if; |
178cce12 HV |
716 | |
717 | /* update tvnorms from the sub device input info */ | |
8eef6669 | 718 | ch->video_dev.tvnorms = chan_cfg->inputs[index].input.std; |
178cce12 | 719 | return 0; |
6ffefff5 MK |
720 | } |
721 | ||
722 | /** | |
723 | * vpif_querystd() - querystd handler | |
724 | * @file: file ptr | |
725 | * @priv: file handle | |
726 | * @std_id: ptr to std id | |
727 | * | |
728 | * This function is called to detect standard at the selected input | |
729 | */ | |
730 | static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id) | |
731 | { | |
7ff51197 LP |
732 | struct video_device *vdev = video_devdata(file); |
733 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6a842cc2 | 734 | int ret; |
6ffefff5 MK |
735 | |
736 | vpif_dbg(2, debug, "vpif_querystd\n"); | |
737 | ||
6ffefff5 | 738 | /* Call querystd function of decoder device */ |
178cce12 | 739 | ret = v4l2_subdev_call(ch->sd, video, querystd, std_id); |
6ffefff5 | 740 | |
178cce12 HV |
741 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
742 | return -ENODATA; | |
743 | if (ret) { | |
744 | vpif_dbg(1, debug, "Failed to query standard for sub devices\n"); | |
745 | return ret; | |
746 | } | |
747 | ||
748 | return 0; | |
6ffefff5 MK |
749 | } |
750 | ||
751 | /** | |
752 | * vpif_g_std() - get STD handler | |
753 | * @file: file ptr | |
754 | * @priv: file handle | |
755 | * @std_id: ptr to std id | |
756 | */ | |
757 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
758 | { | |
d557b7d5 | 759 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
760 | struct video_device *vdev = video_devdata(file); |
761 | struct channel_obj *ch = video_get_drvdata(vdev); | |
d557b7d5 LP |
762 | struct vpif_capture_chan_config *chan_cfg; |
763 | struct v4l2_input input; | |
6ffefff5 MK |
764 | |
765 | vpif_dbg(2, debug, "vpif_g_std\n"); | |
766 | ||
03161cdb | 767 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
768 | return -ENODATA; |
769 | ||
770 | chan_cfg = &config->chan_config[ch->channel_id]; | |
771 | input = chan_cfg->inputs[ch->input_idx].input; | |
772 | if (input.capabilities != V4L2_IN_CAP_STD) | |
773 | return -ENODATA; | |
774 | ||
6ffefff5 MK |
775 | *std = ch->video.stdid; |
776 | return 0; | |
777 | } | |
778 | ||
779 | /** | |
780 | * vpif_s_std() - set STD handler | |
781 | * @file: file ptr | |
782 | * @priv: file handle | |
783 | * @std_id: ptr to std id | |
784 | */ | |
314527ac | 785 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
6ffefff5 | 786 | { |
d557b7d5 | 787 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
788 | struct video_device *vdev = video_devdata(file); |
789 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 790 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
d557b7d5 LP |
791 | struct vpif_capture_chan_config *chan_cfg; |
792 | struct v4l2_input input; | |
793 | int ret; | |
6ffefff5 MK |
794 | |
795 | vpif_dbg(2, debug, "vpif_s_std\n"); | |
796 | ||
03161cdb | 797 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
798 | return -ENODATA; |
799 | ||
800 | chan_cfg = &config->chan_config[ch->channel_id]; | |
801 | input = chan_cfg->inputs[ch->input_idx].input; | |
802 | if (input.capabilities != V4L2_IN_CAP_STD) | |
803 | return -ENODATA; | |
804 | ||
c66238f3 | 805 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 806 | return -EBUSY; |
6ffefff5 | 807 | |
6ffefff5 | 808 | /* Call encoder subdevice function to set the standard */ |
314527ac | 809 | ch->video.stdid = std_id; |
0598c17b | 810 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
6ffefff5 MK |
811 | |
812 | /* Get the information about the standard */ | |
813 | if (vpif_update_std_info(ch)) { | |
6ffefff5 | 814 | vpif_err("Error getting the standard info\n"); |
46656afa | 815 | return -EINVAL; |
6ffefff5 MK |
816 | } |
817 | ||
6ffefff5 | 818 | /* set standard in the sub device */ |
8774bed9 | 819 | ret = v4l2_subdev_call(ch->sd, video, s_std, std_id); |
178cce12 | 820 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { |
6ffefff5 | 821 | vpif_dbg(1, debug, "Failed to set standard for sub devices\n"); |
178cce12 HV |
822 | return ret; |
823 | } | |
824 | return 0; | |
6ffefff5 MK |
825 | } |
826 | ||
827 | /** | |
828 | * vpif_enum_input() - ENUMINPUT handler | |
829 | * @file: file ptr | |
830 | * @priv: file handle | |
831 | * @input: ptr to input structure | |
832 | */ | |
833 | static int vpif_enum_input(struct file *file, void *priv, | |
834 | struct v4l2_input *input) | |
835 | { | |
836 | ||
837 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
838 | struct video_device *vdev = video_devdata(file); |
839 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 840 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
841 | |
842 | chan_cfg = &config->chan_config[ch->channel_id]; | |
843 | ||
a4965c59 | 844 | if (input->index >= chan_cfg->input_count) |
6ffefff5 | 845 | return -EINVAL; |
6ffefff5 MK |
846 | |
847 | memcpy(input, &chan_cfg->inputs[input->index].input, | |
848 | sizeof(*input)); | |
849 | return 0; | |
850 | } | |
851 | ||
852 | /** | |
853 | * vpif_g_input() - Get INPUT handler | |
854 | * @file: file ptr | |
855 | * @priv: file handle | |
856 | * @index: ptr to input index | |
857 | */ | |
858 | static int vpif_g_input(struct file *file, void *priv, unsigned int *index) | |
859 | { | |
7ff51197 LP |
860 | struct video_device *vdev = video_devdata(file); |
861 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 862 | |
6f47c6c6 | 863 | *index = ch->input_idx; |
6ffefff5 MK |
864 | return 0; |
865 | } | |
866 | ||
867 | /** | |
868 | * vpif_s_input() - Set INPUT handler | |
869 | * @file: file ptr | |
870 | * @priv: file handle | |
871 | * @index: input index | |
872 | */ | |
873 | static int vpif_s_input(struct file *file, void *priv, unsigned int index) | |
874 | { | |
875 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
876 | struct video_device *vdev = video_devdata(file); |
877 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 878 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
7ff51197 | 879 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
880 | |
881 | chan_cfg = &config->chan_config[ch->channel_id]; | |
882 | ||
7aaad131 HV |
883 | if (index >= chan_cfg->input_count) |
884 | return -EINVAL; | |
885 | ||
c66238f3 | 886 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 887 | return -EBUSY; |
6ffefff5 | 888 | |
178cce12 | 889 | return vpif_set_input(config, ch, index); |
6ffefff5 MK |
890 | } |
891 | ||
892 | /** | |
893 | * vpif_enum_fmt_vid_cap() - ENUM_FMT handler | |
894 | * @file: file ptr | |
895 | * @priv: file handle | |
896 | * @index: input index | |
897 | */ | |
898 | static int vpif_enum_fmt_vid_cap(struct file *file, void *priv, | |
899 | struct v4l2_fmtdesc *fmt) | |
900 | { | |
7ff51197 LP |
901 | struct video_device *vdev = video_devdata(file); |
902 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
903 | |
904 | if (fmt->index != 0) { | |
905 | vpif_dbg(1, debug, "Invalid format index\n"); | |
906 | return -EINVAL; | |
907 | } | |
908 | ||
909 | /* Fill in the information about format */ | |
910 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) { | |
911 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
912 | strcpy(fmt->description, "Raw Mode -Bayer Pattern GrRBGb"); | |
913 | fmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
914 | } else { | |
915 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
916 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
917 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
918 | } | |
919 | return 0; | |
920 | } | |
921 | ||
922 | /** | |
923 | * vpif_try_fmt_vid_cap() - TRY_FMT handler | |
924 | * @file: file ptr | |
925 | * @priv: file handle | |
926 | * @fmt: ptr to v4l2 format structure | |
927 | */ | |
928 | static int vpif_try_fmt_vid_cap(struct file *file, void *priv, | |
929 | struct v4l2_format *fmt) | |
930 | { | |
7ff51197 LP |
931 | struct video_device *vdev = video_devdata(file); |
932 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 933 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
a4965c59 LP |
934 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); |
935 | struct vpif_params *vpif_params = &ch->vpifparams; | |
936 | ||
937 | /* | |
938 | * to supress v4l-compliance warnings silently correct | |
939 | * the pixelformat | |
940 | */ | |
941 | if (vpif_params->iface.if_type == VPIF_IF_RAW_BAYER) { | |
942 | if (pixfmt->pixelformat != V4L2_PIX_FMT_SBGGR8) | |
943 | pixfmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
944 | } else { | |
945 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
946 | pixfmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
947 | } | |
948 | ||
949 | common->fmt.fmt.pix.pixelformat = pixfmt->pixelformat; | |
6ffefff5 | 950 | |
a4965c59 LP |
951 | vpif_update_std_info(ch); |
952 | ||
953 | pixfmt->field = common->fmt.fmt.pix.field; | |
954 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
955 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
956 | pixfmt->width = common->fmt.fmt.pix.width; | |
957 | pixfmt->height = common->fmt.fmt.pix.height; | |
958 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
959 | pixfmt->priv = 0; | |
960 | ||
961 | return 0; | |
6ffefff5 MK |
962 | } |
963 | ||
964 | ||
965 | /** | |
966 | * vpif_g_fmt_vid_cap() - Set INPUT handler | |
967 | * @file: file ptr | |
968 | * @priv: file handle | |
969 | * @fmt: ptr to v4l2 format structure | |
970 | */ | |
971 | static int vpif_g_fmt_vid_cap(struct file *file, void *priv, | |
972 | struct v4l2_format *fmt) | |
973 | { | |
7ff51197 LP |
974 | struct video_device *vdev = video_devdata(file); |
975 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
976 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
977 | ||
978 | /* Check the validity of the buffer type */ | |
979 | if (common->fmt.type != fmt->type) | |
980 | return -EINVAL; | |
981 | ||
982 | /* Fill in the information about format */ | |
6ffefff5 | 983 | *fmt = common->fmt; |
6ffefff5 MK |
984 | return 0; |
985 | } | |
986 | ||
987 | /** | |
988 | * vpif_s_fmt_vid_cap() - Set FMT handler | |
989 | * @file: file ptr | |
990 | * @priv: file handle | |
991 | * @fmt: ptr to v4l2 format structure | |
992 | */ | |
993 | static int vpif_s_fmt_vid_cap(struct file *file, void *priv, | |
994 | struct v4l2_format *fmt) | |
995 | { | |
7ff51197 LP |
996 | struct video_device *vdev = video_devdata(file); |
997 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 998 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
a4965c59 | 999 | int ret; |
6ffefff5 | 1000 | |
2c0ddd17 | 1001 | vpif_dbg(2, debug, "%s\n", __func__); |
6ffefff5 | 1002 | |
c66238f3 | 1003 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 1004 | return -EBUSY; |
6ffefff5 | 1005 | |
a4965c59 | 1006 | ret = vpif_try_fmt_vid_cap(file, priv, fmt); |
6ffefff5 MK |
1007 | if (ret) |
1008 | return ret; | |
a4965c59 | 1009 | |
6ffefff5 | 1010 | /* store the format in the channel object */ |
6ffefff5 | 1011 | common->fmt = *fmt; |
6ffefff5 MK |
1012 | return 0; |
1013 | } | |
1014 | ||
1015 | /** | |
1016 | * vpif_querycap() - QUERYCAP handler | |
1017 | * @file: file ptr | |
1018 | * @priv: file handle | |
1019 | * @cap: ptr to v4l2_capability structure | |
1020 | */ | |
1021 | static int vpif_querycap(struct file *file, void *priv, | |
1022 | struct v4l2_capability *cap) | |
1023 | { | |
1024 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
1025 | ||
626d533f LP |
1026 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
1027 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
e75ea0c1 | 1028 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
1029 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
1030 | dev_name(vpif_dev)); | |
6ffefff5 MK |
1031 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
1032 | ||
1033 | return 0; | |
1034 | } | |
1035 | ||
40c8bcea | 1036 | /** |
0598c17b | 1037 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1038 | * @file: file ptr |
1039 | * @priv: file handle | |
0598c17b | 1040 | * @timings: input timings |
40c8bcea | 1041 | */ |
0598c17b HV |
1042 | static int |
1043 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1044 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 1045 | { |
1e8852af | 1046 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1047 | struct video_device *vdev = video_devdata(file); |
1048 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1049 | struct vpif_capture_chan_config *chan_cfg; |
1050 | struct v4l2_input input; | |
178cce12 | 1051 | int ret; |
40c8bcea | 1052 | |
03161cdb | 1053 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1054 | return -ENODATA; |
1055 | ||
1056 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1057 | input = chan_cfg->inputs[ch->input_idx].input; | |
1058 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1059 | return -ENODATA; | |
1060 | ||
10d2146d LP |
1061 | timings->pad = 0; |
1062 | ||
1063 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
e070f1b4 | 1064 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1065 | return -EINVAL; |
1e8852af | 1066 | |
178cce12 | 1067 | return ret; |
40c8bcea MR |
1068 | } |
1069 | ||
1070 | /** | |
0598c17b | 1071 | * vpif_query_dv_timings() - QUERY_DV_TIMINGS handler |
40c8bcea MR |
1072 | * @file: file ptr |
1073 | * @priv: file handle | |
0598c17b | 1074 | * @timings: input timings |
40c8bcea | 1075 | */ |
0598c17b HV |
1076 | static int |
1077 | vpif_query_dv_timings(struct file *file, void *priv, | |
1078 | struct v4l2_dv_timings *timings) | |
40c8bcea | 1079 | { |
1e8852af | 1080 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1081 | struct video_device *vdev = video_devdata(file); |
1082 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1083 | struct vpif_capture_chan_config *chan_cfg; |
1084 | struct v4l2_input input; | |
178cce12 | 1085 | int ret; |
40c8bcea | 1086 | |
03161cdb | 1087 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1088 | return -ENODATA; |
1089 | ||
1090 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1091 | input = chan_cfg->inputs[ch->input_idx].input; | |
1092 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1093 | return -ENODATA; | |
1094 | ||
178cce12 | 1095 | ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); |
e070f1b4 | 1096 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1097 | return -ENODATA; |
1e8852af | 1098 | |
178cce12 | 1099 | return ret; |
40c8bcea MR |
1100 | } |
1101 | ||
c027e165 MR |
1102 | /** |
1103 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1104 | * @file: file ptr | |
1105 | * @priv: file handle | |
1106 | * @timings: digital video timings | |
1107 | */ | |
1108 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1109 | struct v4l2_dv_timings *timings) | |
1110 | { | |
1e8852af | 1111 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1112 | struct video_device *vdev = video_devdata(file); |
1113 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 MR |
1114 | struct vpif_params *vpifparams = &ch->vpifparams; |
1115 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1e8852af | 1116 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 | 1117 | struct video_obj *vid_ch = &ch->video; |
0598c17b | 1118 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1e8852af LP |
1119 | struct vpif_capture_chan_config *chan_cfg; |
1120 | struct v4l2_input input; | |
c027e165 MR |
1121 | int ret; |
1122 | ||
03161cdb | 1123 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1124 | return -ENODATA; |
1125 | ||
1126 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1127 | input = chan_cfg->inputs[ch->input_idx].input; | |
1128 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1129 | return -ENODATA; | |
1130 | ||
c027e165 MR |
1131 | if (timings->type != V4L2_DV_BT_656_1120) { |
1132 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1133 | return -EINVAL; | |
1134 | } | |
1135 | ||
1e8852af LP |
1136 | if (vb2_is_busy(&common->buffer_queue)) |
1137 | return -EBUSY; | |
1138 | ||
c027e165 | 1139 | /* Configure subdevice timings, if any */ |
178cce12 HV |
1140 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
1141 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) | |
1142 | ret = 0; | |
c027e165 MR |
1143 | if (ret < 0) { |
1144 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); | |
1145 | return ret; | |
1146 | } | |
1147 | ||
1148 | if (!(timings->bt.width && timings->bt.height && | |
1149 | (timings->bt.hbackporch || | |
1150 | timings->bt.hfrontporch || | |
1151 | timings->bt.hsync) && | |
1152 | timings->bt.vfrontporch && | |
1153 | (timings->bt.vbackporch || | |
1154 | timings->bt.vsync))) { | |
ded026e0 | 1155 | 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 |
1156 | return -EINVAL; |
1157 | } | |
1158 | ||
0598c17b | 1159 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1160 | |
1161 | /* Configure video port timings */ | |
1162 | ||
e3655268 | 1163 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
1164 | std_info->sav2eav = bt->width; |
1165 | ||
1166 | std_info->l1 = 1; | |
1167 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1168 | ||
e3655268 | 1169 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
1170 | if (bt->interlaced) { |
1171 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
1172 | std_info->l5 = std_info->vsize/2 - |
1173 | (bt->vfrontporch - 1); | |
1174 | std_info->l7 = std_info->vsize/2 + 1; | |
1175 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1176 | bt->il_vbackporch + 1; | |
1177 | std_info->l11 = std_info->vsize - | |
1178 | (bt->il_vfrontporch - 1); | |
1179 | } else { | |
ded026e0 | 1180 | vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n"); |
c027e165 MR |
1181 | return -EINVAL; |
1182 | } | |
1183 | } else { | |
c027e165 MR |
1184 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
1185 | } | |
1186 | strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME); | |
1187 | std_info->width = bt->width; | |
1188 | std_info->height = bt->height; | |
1189 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1190 | std_info->ycmux_mode = 0; | |
1191 | std_info->capture_format = 0; | |
1192 | std_info->vbi_supported = 0; | |
1193 | std_info->hd_sd = 1; | |
1194 | std_info->stdid = 0; | |
c027e165 MR |
1195 | |
1196 | vid_ch->stdid = 0; | |
c027e165 MR |
1197 | return 0; |
1198 | } | |
1199 | ||
1200 | /** | |
1201 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1202 | * @file: file ptr | |
1203 | * @priv: file handle | |
1204 | * @timings: digital video timings | |
1205 | */ | |
1206 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1207 | struct v4l2_dv_timings *timings) | |
1208 | { | |
1e8852af | 1209 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1210 | struct video_device *vdev = video_devdata(file); |
1211 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 1212 | struct video_obj *vid_ch = &ch->video; |
1e8852af LP |
1213 | struct vpif_capture_chan_config *chan_cfg; |
1214 | struct v4l2_input input; | |
1215 | ||
03161cdb | 1216 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1217 | return -ENODATA; |
1218 | ||
1219 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1220 | input = chan_cfg->inputs[ch->input_idx].input; | |
1221 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1222 | return -ENODATA; | |
c027e165 | 1223 | |
0598c17b | 1224 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1225 | |
1226 | return 0; | |
1227 | } | |
1228 | ||
7036d6a7 MR |
1229 | /* |
1230 | * vpif_log_status() - Status information | |
1231 | * @file: file ptr | |
1232 | * @priv: file handle | |
1233 | * | |
1234 | * Returns zero. | |
1235 | */ | |
1236 | static int vpif_log_status(struct file *filep, void *priv) | |
1237 | { | |
1238 | /* status for sub devices */ | |
1239 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
6ffefff5 MK |
1244 | /* vpif capture ioctl operations */ |
1245 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
7b4657fa | 1246 | .vidioc_querycap = vpif_querycap, |
6ffefff5 | 1247 | .vidioc_enum_fmt_vid_cap = vpif_enum_fmt_vid_cap, |
7b4657fa | 1248 | .vidioc_g_fmt_vid_cap = vpif_g_fmt_vid_cap, |
6ffefff5 MK |
1249 | .vidioc_s_fmt_vid_cap = vpif_s_fmt_vid_cap, |
1250 | .vidioc_try_fmt_vid_cap = vpif_try_fmt_vid_cap, | |
7b4657fa | 1251 | |
6ffefff5 MK |
1252 | .vidioc_enum_input = vpif_enum_input, |
1253 | .vidioc_s_input = vpif_s_input, | |
1254 | .vidioc_g_input = vpif_g_input, | |
d9a3b13c LP |
1255 | |
1256 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1257 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1258 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1259 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1260 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1261 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1262 | .vidioc_streamon = vb2_ioctl_streamon, | |
1263 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1264 | ||
6ffefff5 | 1265 | .vidioc_querystd = vpif_querystd, |
7b4657fa | 1266 | .vidioc_s_std = vpif_s_std, |
6ffefff5 | 1267 | .vidioc_g_std = vpif_g_std, |
d9a3b13c | 1268 | |
7b4657fa LP |
1269 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
1270 | .vidioc_query_dv_timings = vpif_query_dv_timings, | |
1271 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1272 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1273 | ||
7036d6a7 | 1274 | .vidioc_log_status = vpif_log_status, |
6ffefff5 MK |
1275 | }; |
1276 | ||
1277 | /* vpif file operations */ | |
1278 | static struct v4l2_file_operations vpif_fops = { | |
1279 | .owner = THIS_MODULE, | |
7ff51197 LP |
1280 | .open = v4l2_fh_open, |
1281 | .release = vb2_fop_release, | |
46656afa | 1282 | .unlocked_ioctl = video_ioctl2, |
d26d26b5 LP |
1283 | .mmap = vb2_fop_mmap, |
1284 | .poll = vb2_fop_poll | |
6ffefff5 MK |
1285 | }; |
1286 | ||
6ffefff5 MK |
1287 | /** |
1288 | * initialize_vpif() - Initialize vpif data structures | |
1289 | * | |
1290 | * Allocate memory for data structures and initialize them | |
1291 | */ | |
1292 | static int initialize_vpif(void) | |
1293 | { | |
4015bef6 | 1294 | int err, i, j; |
6ffefff5 MK |
1295 | int free_channel_objects_index; |
1296 | ||
6ffefff5 MK |
1297 | /* Allocate memory for six channel objects */ |
1298 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1299 | vpif_obj.dev[i] = | |
1300 | kzalloc(sizeof(*vpif_obj.dev[i]), GFP_KERNEL); | |
1301 | /* If memory allocation fails, return error */ | |
1302 | if (!vpif_obj.dev[i]) { | |
1303 | free_channel_objects_index = i; | |
1304 | err = -ENOMEM; | |
1305 | goto vpif_init_free_channel_objects; | |
1306 | } | |
1307 | } | |
1308 | return 0; | |
1309 | ||
1310 | vpif_init_free_channel_objects: | |
1311 | for (j = 0; j < free_channel_objects_index; j++) | |
1312 | kfree(vpif_obj.dev[j]); | |
1313 | return err; | |
1314 | } | |
1315 | ||
873229e4 LP |
1316 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1317 | struct v4l2_subdev *subdev, | |
1318 | struct v4l2_async_subdev *asd) | |
1319 | { | |
1320 | int i; | |
1321 | ||
1322 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1323 | if (!strcmp(vpif_obj.config->subdev_info[i].name, | |
1324 | subdev->name)) { | |
1325 | vpif_obj.sd[i] = subdev; | |
1326 | return 0; | |
1327 | } | |
1328 | ||
1329 | return -EINVAL; | |
1330 | } | |
1331 | ||
1332 | static int vpif_probe_complete(void) | |
1333 | { | |
1334 | struct common_obj *common; | |
d26d26b5 | 1335 | struct video_device *vdev; |
873229e4 | 1336 | struct channel_obj *ch; |
fa09accc | 1337 | struct vb2_queue *q; |
8eef6669 | 1338 | int j, err, k; |
873229e4 LP |
1339 | |
1340 | for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) { | |
1341 | ch = vpif_obj.dev[j]; | |
1342 | ch->channel_id = j; | |
1343 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1344 | spin_lock_init(&common->irqlock); | |
1345 | mutex_init(&common->lock); | |
873229e4 LP |
1346 | |
1347 | /* select input 0 */ | |
1348 | err = vpif_set_input(vpif_obj.config, ch, 0); | |
1349 | if (err) | |
1350 | goto probe_out; | |
1351 | ||
a4965c59 LP |
1352 | /* set initial format */ |
1353 | ch->video.stdid = V4L2_STD_525_60; | |
1354 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1355 | vpif_update_std_info(ch); | |
1356 | ||
fa09accc LP |
1357 | /* Initialize vb2 queue */ |
1358 | q = &common->buffer_queue; | |
1359 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1360 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1361 | q->drv_priv = ch; | |
1362 | q->ops = &video_qops; | |
1363 | q->mem_ops = &vb2_dma_contig_memops; | |
1364 | q->buf_struct_size = sizeof(struct vpif_cap_buffer); | |
1365 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1366 | q->min_buffers_needed = 1; | |
999ba69b | 1367 | q->lock = &common->lock; |
53ddcc68 | 1368 | q->dev = vpif_dev; |
fa09accc LP |
1369 | |
1370 | err = vb2_queue_init(q); | |
1371 | if (err) { | |
1372 | vpif_err("vpif_capture: vb2_queue_init() failed\n"); | |
1373 | goto probe_out; | |
1374 | } | |
1375 | ||
fa09accc LP |
1376 | INIT_LIST_HEAD(&common->dma_queue); |
1377 | ||
e75ea0c1 | 1378 | /* Initialize the video_device structure */ |
8eef6669 | 1379 | vdev = &ch->video_dev; |
e75ea0c1 | 1380 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
8eef6669 | 1381 | vdev->release = video_device_release_empty; |
e75ea0c1 LP |
1382 | vdev->fops = &vpif_fops; |
1383 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1384 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1385 | vdev->vfl_dir = VFL_DIR_RX; | |
d26d26b5 | 1386 | vdev->queue = q; |
7ff51197 | 1387 | vdev->lock = &common->lock; |
8eef6669 | 1388 | video_set_drvdata(&ch->video_dev, ch); |
d26d26b5 | 1389 | err = video_register_device(vdev, |
873229e4 LP |
1390 | VFL_TYPE_GRABBER, (j ? 1 : 0)); |
1391 | if (err) | |
1392 | goto probe_out; | |
1393 | } | |
1394 | ||
1395 | v4l2_info(&vpif_obj.v4l2_dev, "VPIF capture driver initialized\n"); | |
1396 | return 0; | |
1397 | ||
1398 | probe_out: | |
1399 | for (k = 0; k < j; k++) { | |
1400 | /* Get the pointer to the channel object */ | |
1401 | ch = vpif_obj.dev[k]; | |
fa09accc | 1402 | common = &ch->common[k]; |
873229e4 | 1403 | /* Unregister video device */ |
8eef6669 | 1404 | video_unregister_device(&ch->video_dev); |
873229e4 LP |
1405 | } |
1406 | kfree(vpif_obj.sd); | |
873229e4 LP |
1407 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
1408 | ||
1409 | return err; | |
1410 | } | |
1411 | ||
1412 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1413 | { | |
1414 | return vpif_probe_complete(); | |
1415 | } | |
1416 | ||
6ffefff5 MK |
1417 | /** |
1418 | * vpif_probe : This function probes the vpif capture driver | |
1419 | * @pdev: platform device pointer | |
1420 | * | |
1421 | * This creates device entries by register itself to the V4L2 driver and | |
1422 | * initializes fields of each channel objects | |
1423 | */ | |
1424 | static __init int vpif_probe(struct platform_device *pdev) | |
1425 | { | |
1426 | struct vpif_subdev_info *subdevdata; | |
6ffefff5 | 1427 | struct i2c_adapter *i2c_adap; |
6ffefff5 MK |
1428 | struct resource *res; |
1429 | int subdev_count; | |
8eef6669 LP |
1430 | int res_idx = 0; |
1431 | int i, err; | |
6ffefff5 MK |
1432 | |
1433 | vpif_dev = &pdev->dev; | |
1434 | ||
1435 | err = initialize_vpif(); | |
1436 | if (err) { | |
1437 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1438 | return err; | |
1439 | } | |
1440 | ||
d2f7a1a2 HV |
1441 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1442 | if (err) { | |
1443 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1444 | return err; | |
1445 | } | |
1446 | ||
5be452c3 | 1447 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
a76a0b33 | 1448 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
e75ea0c1 | 1449 | IRQF_SHARED, VPIF_DRIVER_NAME, |
a76a0b33 LP |
1450 | (void *)(&vpif_obj.dev[res_idx]-> |
1451 | channel_id)); | |
1452 | if (err) { | |
1453 | err = -EINVAL; | |
1454 | goto vpif_unregister; | |
6ffefff5 | 1455 | } |
5be452c3 | 1456 | res_idx++; |
6ffefff5 MK |
1457 | } |
1458 | ||
873229e4 | 1459 | vpif_obj.config = pdev->dev.platform_data; |
6ffefff5 | 1460 | |
873229e4 | 1461 | subdev_count = vpif_obj.config->subdev_count; |
b442c46f | 1462 | vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); |
03161cdb | 1463 | if (!vpif_obj.sd) { |
6ffefff5 | 1464 | err = -ENOMEM; |
8eef6669 | 1465 | goto vpif_unregister; |
6ffefff5 MK |
1466 | } |
1467 | ||
873229e4 LP |
1468 | if (!vpif_obj.config->asd_sizes) { |
1469 | i2c_adap = i2c_get_adapter(1); | |
1470 | for (i = 0; i < subdev_count; i++) { | |
1471 | subdevdata = &vpif_obj.config->subdev_info[i]; | |
1472 | vpif_obj.sd[i] = | |
1473 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1474 | i2c_adap, | |
1475 | &subdevdata-> | |
1476 | board_info, | |
1477 | NULL); | |
1478 | ||
1479 | if (!vpif_obj.sd[i]) { | |
1480 | vpif_err("Error registering v4l2 subdevice\n"); | |
2fcd9dc3 | 1481 | err = -ENODEV; |
873229e4 LP |
1482 | goto probe_subdev_out; |
1483 | } | |
1484 | v4l2_info(&vpif_obj.v4l2_dev, | |
1485 | "registered sub device %s\n", | |
1486 | subdevdata->name); | |
1487 | } | |
1488 | vpif_probe_complete(); | |
1489 | } else { | |
e8419d08 | 1490 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
873229e4 LP |
1491 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
1492 | vpif_obj.notifier.bound = vpif_async_bound; | |
1493 | vpif_obj.notifier.complete = vpif_async_complete; | |
1494 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, | |
1495 | &vpif_obj.notifier); | |
1496 | if (err) { | |
1497 | vpif_err("Error registering async notifier\n"); | |
1498 | err = -EINVAL; | |
6ffefff5 MK |
1499 | goto probe_subdev_out; |
1500 | } | |
6ffefff5 | 1501 | } |
6ffefff5 MK |
1502 | |
1503 | return 0; | |
1504 | ||
b65814e5 HV |
1505 | probe_subdev_out: |
1506 | /* free sub devices memory */ | |
1507 | kfree(vpif_obj.sd); | |
b2de4f25 | 1508 | vpif_unregister: |
d2f7a1a2 | 1509 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
b2de4f25 | 1510 | |
6ffefff5 MK |
1511 | return err; |
1512 | } | |
1513 | ||
1514 | /** | |
1515 | * vpif_remove() - driver remove handler | |
1516 | * @device: ptr to platform device structure | |
1517 | * | |
1518 | * The vidoe device is unregistered | |
1519 | */ | |
1520 | static int vpif_remove(struct platform_device *device) | |
1521 | { | |
fa09accc | 1522 | struct common_obj *common; |
6ffefff5 | 1523 | struct channel_obj *ch; |
b2de4f25 | 1524 | int i; |
6ffefff5 MK |
1525 | |
1526 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1527 | ||
410ca605 | 1528 | kfree(vpif_obj.sd); |
6ffefff5 MK |
1529 | /* un-register device */ |
1530 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1531 | /* Get the pointer to the channel object */ | |
1532 | ch = vpif_obj.dev[i]; | |
e9b5872c | 1533 | common = &ch->common[VPIF_VIDEO_INDEX]; |
6ffefff5 | 1534 | /* Unregister video device */ |
8eef6669 | 1535 | video_unregister_device(&ch->video_dev); |
410ca605 | 1536 | kfree(vpif_obj.dev[i]); |
6ffefff5 MK |
1537 | } |
1538 | return 0; | |
1539 | } | |
1540 | ||
b7047713 | 1541 | #ifdef CONFIG_PM_SLEEP |
6ffefff5 MK |
1542 | /** |
1543 | * vpif_suspend: vpif device suspend | |
6ffefff5 | 1544 | */ |
3d5946dc | 1545 | static int vpif_suspend(struct device *dev) |
6ffefff5 | 1546 | { |
3d5946dc MH |
1547 | |
1548 | struct common_obj *common; | |
1549 | struct channel_obj *ch; | |
1550 | int i; | |
1551 | ||
1552 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1553 | /* Get the pointer to the channel object */ | |
1554 | ch = vpif_obj.dev[i]; | |
1555 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1556 | |
c54d4a0b | 1557 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1558 | continue; |
1559 | ||
3d5946dc | 1560 | mutex_lock(&common->lock); |
b7047713 LP |
1561 | /* Disable channel */ |
1562 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1563 | enable_channel0(0); | |
1564 | channel0_intr_enable(0); | |
1565 | } | |
1566 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1567 | ycmux_mode == 2) { | |
1568 | enable_channel1(0); | |
1569 | channel1_intr_enable(0); | |
3d5946dc MH |
1570 | } |
1571 | mutex_unlock(&common->lock); | |
1572 | } | |
1573 | ||
1574 | return 0; | |
6ffefff5 MK |
1575 | } |
1576 | ||
3d5946dc | 1577 | /* |
6ffefff5 | 1578 | * vpif_resume: vpif device suspend |
6ffefff5 | 1579 | */ |
3d5946dc | 1580 | static int vpif_resume(struct device *dev) |
6ffefff5 | 1581 | { |
3d5946dc MH |
1582 | struct common_obj *common; |
1583 | struct channel_obj *ch; | |
1584 | int i; | |
1585 | ||
1586 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1587 | /* Get the pointer to the channel object */ | |
1588 | ch = vpif_obj.dev[i]; | |
1589 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1590 | |
c54d4a0b | 1591 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1592 | continue; |
1593 | ||
3d5946dc | 1594 | mutex_lock(&common->lock); |
b7047713 LP |
1595 | /* Enable channel */ |
1596 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1597 | enable_channel0(1); | |
1598 | channel0_intr_enable(1); | |
1599 | } | |
1600 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1601 | ycmux_mode == 2) { | |
1602 | enable_channel1(1); | |
1603 | channel1_intr_enable(1); | |
3d5946dc MH |
1604 | } |
1605 | mutex_unlock(&common->lock); | |
1606 | } | |
1607 | ||
1608 | return 0; | |
6ffefff5 | 1609 | } |
3d5946dc MH |
1610 | #endif |
1611 | ||
b7047713 LP |
1612 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1613 | ||
ffa1b391 | 1614 | static __refdata struct platform_driver vpif_driver = { |
6ffefff5 | 1615 | .driver = { |
e75ea0c1 | 1616 | .name = VPIF_DRIVER_NAME, |
b7047713 | 1617 | .pm = &vpif_pm_ops, |
6ffefff5 MK |
1618 | }, |
1619 | .probe = vpif_probe, | |
1620 | .remove = vpif_remove, | |
1621 | }; | |
1622 | ||
fe424b2f | 1623 | module_platform_driver(vpif_driver); |