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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 | |
107 | * @fmt: v4l2 format | |
108 | * @nbuffers: ptr to number of buffers requested by application | |
109 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
110 | * @sizes[]: contains the size (in bytes) of each plane. | |
111 | * @alloc_ctxs: ptr to allocation context | |
6ffefff5 MK |
112 | * |
113 | * This callback function is called when reqbuf() is called to adjust | |
114 | * the buffer count and buffer size | |
115 | */ | |
60aa38d8 LP |
116 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
117 | const struct v4l2_format *fmt, | |
118 | unsigned int *nbuffers, unsigned int *nplanes, | |
119 | unsigned int sizes[], void *alloc_ctxs[]) | |
6ffefff5 | 120 | { |
fa09accc | 121 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
6ffefff5 MK |
122 | struct common_obj *common; |
123 | ||
124 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
125 | ||
126 | vpif_dbg(2, debug, "vpif_buffer_setup\n"); | |
127 | ||
837939de LP |
128 | if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) |
129 | return -EINVAL; | |
764af39a | 130 | |
837939de LP |
131 | if (vq->num_buffers + *nbuffers < 3) |
132 | *nbuffers = 3 - vq->num_buffers; | |
60aa38d8 LP |
133 | |
134 | *nplanes = 1; | |
837939de | 135 | sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; |
60aa38d8 LP |
136 | alloc_ctxs[0] = common->alloc_ctx; |
137 | ||
837939de LP |
138 | /* Calculate the offset for Y and C data in the buffer */ |
139 | vpif_calculate_offsets(ch); | |
140 | ||
6ffefff5 MK |
141 | return 0; |
142 | } | |
143 | ||
144 | /** | |
145 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
60aa38d8 | 146 | * @vb: ptr to vb2_buffer |
6ffefff5 | 147 | */ |
60aa38d8 | 148 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
6ffefff5 | 149 | { |
2d700715 | 150 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
fa09accc | 151 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 152 | struct vpif_cap_buffer *buf = to_vpif_buffer(vbuf); |
6ffefff5 | 153 | struct common_obj *common; |
aec96832 | 154 | unsigned long flags; |
6ffefff5 MK |
155 | |
156 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
157 | ||
158 | vpif_dbg(2, debug, "vpif_buffer_queue\n"); | |
159 | ||
aec96832 | 160 | spin_lock_irqsave(&common->irqlock, flags); |
6ffefff5 | 161 | /* add the buffer to the DMA queue */ |
60aa38d8 | 162 | list_add_tail(&buf->list, &common->dma_queue); |
aec96832 | 163 | spin_unlock_irqrestore(&common->irqlock, flags); |
6ffefff5 MK |
164 | } |
165 | ||
41b9f24e LP |
166 | /** |
167 | * vpif_start_streaming : Starts the DMA engine for streaming | |
168 | * @vb: ptr to vb2_buffer | |
169 | * @count: number of buffers | |
170 | */ | |
60aa38d8 LP |
171 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
172 | { | |
173 | struct vpif_capture_config *vpif_config_data = | |
174 | vpif_dev->platform_data; | |
fa09accc | 175 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 LP |
176 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
177 | struct vpif_params *vpif = &ch->vpifparams; | |
bebd8d12 LP |
178 | struct vpif_cap_buffer *buf, *tmp; |
179 | unsigned long addr, flags; | |
60aa38d8 LP |
180 | int ret; |
181 | ||
aec96832 | 182 | spin_lock_irqsave(&common->irqlock, flags); |
60aa38d8 | 183 | |
c66238f3 | 184 | /* Initialize field_id */ |
60aa38d8 | 185 | ch->field_id = 0; |
60aa38d8 | 186 | |
60aa38d8 | 187 | /* configure 1 or 2 channel mode */ |
f4ad8d74 LP |
188 | if (vpif_config_data->setup_input_channel_mode) { |
189 | ret = vpif_config_data-> | |
190 | setup_input_channel_mode(vpif->std_info.ycmux_mode); | |
191 | if (ret < 0) { | |
192 | vpif_dbg(1, debug, "can't set vpif channel mode\n"); | |
bebd8d12 | 193 | goto err; |
f4ad8d74 | 194 | } |
60aa38d8 LP |
195 | } |
196 | ||
d9a3b13c LP |
197 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 1); |
198 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { | |
199 | vpif_dbg(1, debug, "stream on failed in subdev\n"); | |
200 | goto err; | |
201 | } | |
202 | ||
60aa38d8 LP |
203 | /* Call vpif_set_params function to set the parameters and addresses */ |
204 | ret = vpif_set_video_params(vpif, ch->channel_id); | |
60aa38d8 LP |
205 | if (ret < 0) { |
206 | vpif_dbg(1, debug, "can't set video params\n"); | |
bebd8d12 | 207 | goto err; |
60aa38d8 LP |
208 | } |
209 | ||
c66238f3 | 210 | ycmux_mode = ret; |
60aa38d8 LP |
211 | vpif_config_addr(ch, ret); |
212 | ||
bebd8d12 LP |
213 | /* Get the next frame from the buffer queue */ |
214 | common->cur_frm = common->next_frm = list_entry(common->dma_queue.next, | |
215 | struct vpif_cap_buffer, list); | |
216 | /* Remove buffer from the buffer queue */ | |
217 | list_del(&common->cur_frm->list); | |
218 | spin_unlock_irqrestore(&common->irqlock, flags); | |
bebd8d12 | 219 | |
2d700715 | 220 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
bebd8d12 | 221 | |
60aa38d8 LP |
222 | common->set_addr(addr + common->ytop_off, |
223 | addr + common->ybtm_off, | |
224 | addr + common->ctop_off, | |
225 | addr + common->cbtm_off); | |
226 | ||
227 | /** | |
228 | * Set interrupt for both the fields in VPIF Register enable channel in | |
229 | * VPIF register | |
230 | */ | |
9e18404a | 231 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
41b9f24e | 232 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { |
60aa38d8 LP |
233 | channel0_intr_assert(); |
234 | channel0_intr_enable(1); | |
235 | enable_channel0(1); | |
236 | } | |
41b9f24e | 237 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 238 | ycmux_mode == 2) { |
60aa38d8 LP |
239 | channel1_intr_assert(); |
240 | channel1_intr_enable(1); | |
241 | enable_channel1(1); | |
242 | } | |
60aa38d8 LP |
243 | |
244 | return 0; | |
bebd8d12 LP |
245 | |
246 | err: | |
247 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
248 | list_del(&buf->list); | |
2d700715 | 249 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
bebd8d12 | 250 | } |
92491968 | 251 | spin_unlock_irqrestore(&common->irqlock, flags); |
bebd8d12 LP |
252 | |
253 | return ret; | |
60aa38d8 LP |
254 | } |
255 | ||
41b9f24e LP |
256 | /** |
257 | * vpif_stop_streaming : Stop the DMA engine | |
258 | * @vq: ptr to vb2_queue | |
259 | * | |
260 | * This callback stops the DMA engine and any remaining buffers | |
261 | * in the DMA queue are released. | |
262 | */ | |
e37559b2 | 263 | static void vpif_stop_streaming(struct vb2_queue *vq) |
60aa38d8 | 264 | { |
fa09accc | 265 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 | 266 | struct common_obj *common; |
aec96832 | 267 | unsigned long flags; |
d9a3b13c | 268 | int ret; |
60aa38d8 | 269 | |
60aa38d8 LP |
270 | common = &ch->common[VPIF_VIDEO_INDEX]; |
271 | ||
e6ba3db1 LP |
272 | /* Disable channel as per its device type and channel id */ |
273 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { | |
274 | enable_channel0(0); | |
275 | channel0_intr_enable(0); | |
276 | } | |
41b9f24e | 277 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 278 | ycmux_mode == 2) { |
e6ba3db1 LP |
279 | enable_channel1(0); |
280 | channel1_intr_enable(0); | |
281 | } | |
c66238f3 LP |
282 | |
283 | ycmux_mode = 0; | |
e6ba3db1 | 284 | |
d9a3b13c LP |
285 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 0); |
286 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) | |
287 | vpif_dbg(1, debug, "stream off failed in subdev\n"); | |
288 | ||
60aa38d8 | 289 | /* release all active buffers */ |
aec96832 | 290 | spin_lock_irqsave(&common->irqlock, flags); |
e6ba3db1 | 291 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
292 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
293 | VB2_BUF_STATE_ERROR); | |
e6ba3db1 LP |
294 | } else { |
295 | if (common->cur_frm != NULL) | |
2d700715 | 296 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
e6ba3db1 LP |
297 | VB2_BUF_STATE_ERROR); |
298 | if (common->next_frm != NULL) | |
2d700715 | 299 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
e6ba3db1 LP |
300 | VB2_BUF_STATE_ERROR); |
301 | } | |
302 | ||
60aa38d8 LP |
303 | while (!list_empty(&common->dma_queue)) { |
304 | common->next_frm = list_entry(common->dma_queue.next, | |
305 | struct vpif_cap_buffer, list); | |
306 | list_del(&common->next_frm->list); | |
2d700715 JS |
307 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
308 | VB2_BUF_STATE_ERROR); | |
60aa38d8 | 309 | } |
aec96832 | 310 | spin_unlock_irqrestore(&common->irqlock, flags); |
60aa38d8 LP |
311 | } |
312 | ||
313 | static struct vb2_ops video_qops = { | |
314 | .queue_setup = vpif_buffer_queue_setup, | |
60aa38d8 LP |
315 | .buf_prepare = vpif_buffer_prepare, |
316 | .start_streaming = vpif_start_streaming, | |
317 | .stop_streaming = vpif_stop_streaming, | |
60aa38d8 | 318 | .buf_queue = vpif_buffer_queue, |
b41a97a2 PL |
319 | .wait_prepare = vb2_ops_wait_prepare, |
320 | .wait_finish = vb2_ops_wait_finish, | |
60aa38d8 LP |
321 | }; |
322 | ||
6ffefff5 MK |
323 | /** |
324 | * vpif_process_buffer_complete: process a completed buffer | |
325 | * @common: ptr to common channel object | |
326 | * | |
327 | * This function time stamp the buffer and mark it as DONE. It also | |
328 | * wake up any process waiting on the QUEUE and set the next buffer | |
329 | * as current | |
330 | */ | |
331 | static void vpif_process_buffer_complete(struct common_obj *common) | |
332 | { | |
2d700715 JS |
333 | v4l2_get_timestamp(&common->cur_frm->vb.timestamp); |
334 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); | |
6ffefff5 MK |
335 | /* Make curFrm pointing to nextFrm */ |
336 | common->cur_frm = common->next_frm; | |
337 | } | |
338 | ||
339 | /** | |
340 | * vpif_schedule_next_buffer: set next buffer address for capture | |
341 | * @common : ptr to common channel object | |
342 | * | |
343 | * This function will get next buffer from the dma queue and | |
344 | * set the buffer address in the vpif register for capture. | |
345 | * the buffer is marked active | |
346 | */ | |
347 | static void vpif_schedule_next_buffer(struct common_obj *common) | |
348 | { | |
349 | unsigned long addr = 0; | |
350 | ||
aec96832 | 351 | spin_lock(&common->irqlock); |
6ffefff5 | 352 | common->next_frm = list_entry(common->dma_queue.next, |
60aa38d8 | 353 | struct vpif_cap_buffer, list); |
6ffefff5 | 354 | /* Remove that buffer from the buffer queue */ |
60aa38d8 | 355 | list_del(&common->next_frm->list); |
aec96832 | 356 | spin_unlock(&common->irqlock); |
2d700715 | 357 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
6ffefff5 MK |
358 | |
359 | /* Set top and bottom field addresses in VPIF registers */ | |
360 | common->set_addr(addr + common->ytop_off, | |
361 | addr + common->ybtm_off, | |
362 | addr + common->ctop_off, | |
363 | addr + common->cbtm_off); | |
364 | } | |
365 | ||
366 | /** | |
367 | * vpif_channel_isr : ISR handler for vpif capture | |
368 | * @irq: irq number | |
369 | * @dev_id: dev_id ptr | |
370 | * | |
371 | * It changes status of the captured buffer, takes next buffer from the queue | |
2c0ddd17 | 372 | * and sets its address in VPIF registers |
6ffefff5 MK |
373 | */ |
374 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
375 | { | |
376 | struct vpif_device *dev = &vpif_obj; | |
377 | struct common_obj *common; | |
378 | struct channel_obj *ch; | |
6ffefff5 MK |
379 | int channel_id = 0; |
380 | int fid = -1, i; | |
381 | ||
382 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
383 | if (!vpif_intr_status(channel_id)) |
384 | return IRQ_NONE; | |
385 | ||
6ffefff5 MK |
386 | ch = dev->dev[channel_id]; |
387 | ||
6ffefff5 MK |
388 | for (i = 0; i < VPIF_NUMBER_OF_OBJECTS; i++) { |
389 | common = &ch->common[i]; | |
390 | /* skip If streaming is not started in this channel */ | |
6ffefff5 MK |
391 | /* Check the field format */ |
392 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
393 | /* Progressive mode */ | |
aec96832 HV |
394 | spin_lock(&common->irqlock); |
395 | if (list_empty(&common->dma_queue)) { | |
396 | spin_unlock(&common->irqlock); | |
6ffefff5 | 397 | continue; |
aec96832 HV |
398 | } |
399 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
400 | |
401 | if (!channel_first_int[i][channel_id]) | |
402 | vpif_process_buffer_complete(common); | |
403 | ||
404 | channel_first_int[i][channel_id] = 0; | |
405 | ||
406 | vpif_schedule_next_buffer(common); | |
407 | ||
408 | ||
409 | channel_first_int[i][channel_id] = 0; | |
410 | } else { | |
411 | /** | |
412 | * Interlaced mode. If it is first interrupt, ignore | |
413 | * it | |
414 | */ | |
415 | if (channel_first_int[i][channel_id]) { | |
416 | channel_first_int[i][channel_id] = 0; | |
417 | continue; | |
418 | } | |
419 | if (0 == i) { | |
420 | ch->field_id ^= 1; | |
421 | /* Get field id from VPIF registers */ | |
422 | fid = vpif_channel_getfid(ch->channel_id); | |
423 | if (fid != ch->field_id) { | |
424 | /** | |
425 | * If field id does not match stored | |
426 | * field id, make them in sync | |
427 | */ | |
428 | if (0 == fid) | |
429 | ch->field_id = fid; | |
430 | return IRQ_HANDLED; | |
431 | } | |
432 | } | |
433 | /* device field id and local field id are in sync */ | |
434 | if (0 == fid) { | |
435 | /* this is even field */ | |
436 | if (common->cur_frm == common->next_frm) | |
437 | continue; | |
438 | ||
439 | /* mark the current buffer as done */ | |
440 | vpif_process_buffer_complete(common); | |
441 | } else if (1 == fid) { | |
442 | /* odd field */ | |
aec96832 | 443 | spin_lock(&common->irqlock); |
6ffefff5 | 444 | if (list_empty(&common->dma_queue) || |
aec96832 HV |
445 | (common->cur_frm != common->next_frm)) { |
446 | spin_unlock(&common->irqlock); | |
6ffefff5 | 447 | continue; |
aec96832 HV |
448 | } |
449 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
450 | |
451 | vpif_schedule_next_buffer(common); | |
452 | } | |
453 | } | |
454 | } | |
455 | return IRQ_HANDLED; | |
456 | } | |
457 | ||
458 | /** | |
459 | * vpif_update_std_info() - update standard related info | |
460 | * @ch: ptr to channel object | |
461 | * | |
462 | * For a given standard selected by application, update values | |
463 | * in the device data structures | |
464 | */ | |
465 | static int vpif_update_std_info(struct channel_obj *ch) | |
466 | { | |
467 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
468 | struct vpif_params *vpifparams = &ch->vpifparams; | |
469 | const struct vpif_channel_config_params *config; | |
2c0ddd17 | 470 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
6ffefff5 MK |
471 | struct video_obj *vid_ch = &ch->video; |
472 | int index; | |
473 | ||
474 | vpif_dbg(2, debug, "vpif_update_std_info\n"); | |
475 | ||
aa444406 | 476 | for (index = 0; index < vpif_ch_params_count; index++) { |
ced9b21f | 477 | config = &vpif_ch_params[index]; |
40c8bcea MR |
478 | if (config->hd_sd == 0) { |
479 | vpif_dbg(2, debug, "SD format\n"); | |
480 | if (config->stdid & vid_ch->stdid) { | |
481 | memcpy(std_info, config, sizeof(*config)); | |
482 | break; | |
483 | } | |
484 | } else { | |
485 | vpif_dbg(2, debug, "HD format\n"); | |
0598c17b HV |
486 | if (!memcmp(&config->dv_timings, &vid_ch->dv_timings, |
487 | sizeof(vid_ch->dv_timings))) { | |
40c8bcea MR |
488 | memcpy(std_info, config, sizeof(*config)); |
489 | break; | |
490 | } | |
6ffefff5 MK |
491 | } |
492 | } | |
493 | ||
494 | /* standard not found */ | |
aa444406 | 495 | if (index == vpif_ch_params_count) |
6ffefff5 MK |
496 | return -EINVAL; |
497 | ||
498 | common->fmt.fmt.pix.width = std_info->width; | |
499 | common->width = std_info->width; | |
500 | common->fmt.fmt.pix.height = std_info->height; | |
501 | common->height = std_info->height; | |
a4965c59 | 502 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
6ffefff5 MK |
503 | common->fmt.fmt.pix.bytesperline = std_info->width; |
504 | vpifparams->video_params.hpitch = std_info->width; | |
505 | vpifparams->video_params.storage_mode = std_info->frm_fmt; | |
2c0ddd17 | 506 | |
a4965c59 LP |
507 | if (vid_ch->stdid) |
508 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
509 | else | |
510 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
511 | ||
512 | if (ch->vpifparams.std_info.frm_fmt) | |
513 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
514 | else | |
515 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
516 | ||
517 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) | |
518 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8; | |
519 | else | |
520 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; | |
521 | ||
522 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
523 | ||
6ffefff5 MK |
524 | return 0; |
525 | } | |
526 | ||
527 | /** | |
528 | * vpif_calculate_offsets : This function calculates buffers offsets | |
529 | * @ch : ptr to channel object | |
530 | * | |
531 | * This function calculates buffer offsets for Y and C in the top and | |
532 | * bottom field | |
533 | */ | |
534 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
535 | { | |
24ab6338 | 536 | unsigned int hpitch, sizeimage; |
6ffefff5 MK |
537 | struct video_obj *vid_ch = &(ch->video); |
538 | struct vpif_params *vpifparams = &ch->vpifparams; | |
539 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
540 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
541 | ||
542 | vpif_dbg(2, debug, "vpif_calculate_offsets\n"); | |
543 | ||
544 | if (V4L2_FIELD_ANY == field) { | |
545 | if (vpifparams->std_info.frm_fmt) | |
546 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
547 | else | |
548 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
549 | } else | |
550 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
551 | ||
60aa38d8 | 552 | sizeimage = common->fmt.fmt.pix.sizeimage; |
6ffefff5 MK |
553 | |
554 | hpitch = common->fmt.fmt.pix.bytesperline; | |
6ffefff5 MK |
555 | |
556 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
557 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
558 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
559 | common->ytop_off = 0; | |
560 | common->ybtm_off = hpitch; | |
561 | common->ctop_off = sizeimage / 2; | |
562 | common->cbtm_off = sizeimage / 2 + hpitch; | |
563 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
564 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
565 | common->ytop_off = 0; | |
566 | common->ybtm_off = sizeimage / 4; | |
567 | common->ctop_off = sizeimage / 2; | |
568 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
569 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
570 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
571 | common->ybtm_off = 0; | |
572 | common->ytop_off = sizeimage / 4; | |
573 | common->cbtm_off = sizeimage / 2; | |
574 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
575 | } | |
576 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
577 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) | |
578 | vpifparams->video_params.storage_mode = 1; | |
579 | else | |
580 | vpifparams->video_params.storage_mode = 0; | |
581 | ||
582 | if (1 == vpifparams->std_info.frm_fmt) | |
583 | vpifparams->video_params.hpitch = | |
584 | common->fmt.fmt.pix.bytesperline; | |
585 | else { | |
586 | if ((field == V4L2_FIELD_ANY) | |
587 | || (field == V4L2_FIELD_INTERLACED)) | |
588 | vpifparams->video_params.hpitch = | |
589 | common->fmt.fmt.pix.bytesperline * 2; | |
590 | else | |
591 | vpifparams->video_params.hpitch = | |
592 | common->fmt.fmt.pix.bytesperline; | |
593 | } | |
594 | ||
595 | ch->vpifparams.video_params.stdid = vpifparams->std_info.stdid; | |
596 | } | |
597 | ||
6ffefff5 MK |
598 | /** |
599 | * vpif_get_default_field() - Get default field type based on interface | |
600 | * @vpif_params - ptr to vpif params | |
601 | */ | |
602 | static inline enum v4l2_field vpif_get_default_field( | |
603 | struct vpif_interface *iface) | |
604 | { | |
605 | return (iface->if_type == VPIF_IF_RAW_BAYER) ? V4L2_FIELD_NONE : | |
606 | V4L2_FIELD_INTERLACED; | |
607 | } | |
608 | ||
6ffefff5 MK |
609 | /** |
610 | * vpif_config_addr() - function to configure buffer address in vpif | |
611 | * @ch - channel ptr | |
612 | * @muxmode - channel mux mode | |
613 | */ | |
614 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
615 | { | |
616 | struct common_obj *common; | |
617 | ||
618 | vpif_dbg(2, debug, "vpif_config_addr\n"); | |
619 | ||
620 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
621 | ||
622 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id) | |
623 | common->set_addr = ch1_set_videobuf_addr; | |
624 | else if (2 == muxmode) | |
625 | common->set_addr = ch0_set_videobuf_addr_yc_nmux; | |
626 | else | |
627 | common->set_addr = ch0_set_videobuf_addr; | |
628 | } | |
629 | ||
6ffefff5 | 630 | /** |
178cce12 HV |
631 | * vpif_input_to_subdev() - Maps input to sub device |
632 | * @vpif_cfg - global config ptr | |
633 | * @chan_cfg - channel config ptr | |
6ffefff5 | 634 | * @input_index - Given input index from application |
6ffefff5 MK |
635 | * |
636 | * lookup the sub device information for a given input index. | |
637 | * we report all the inputs to application. inputs table also | |
638 | * has sub device name for the each input | |
639 | */ | |
178cce12 HV |
640 | static int vpif_input_to_subdev( |
641 | struct vpif_capture_config *vpif_cfg, | |
642 | struct vpif_capture_chan_config *chan_cfg, | |
643 | int input_index) | |
6ffefff5 | 644 | { |
178cce12 HV |
645 | struct vpif_subdev_info *subdev_info; |
646 | const char *subdev_name; | |
6ffefff5 MK |
647 | int i; |
648 | ||
178cce12 | 649 | vpif_dbg(2, debug, "vpif_input_to_subdev\n"); |
6ffefff5 | 650 | |
178cce12 HV |
651 | subdev_name = chan_cfg->inputs[input_index].subdev_name; |
652 | if (subdev_name == NULL) | |
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]; | |
689 | } | |
6ffefff5 | 690 | |
178cce12 HV |
691 | /* first setup input path from sub device to vpif */ |
692 | if (sd && vpif_cfg->setup_input_path) { | |
693 | ret = vpif_cfg->setup_input_path(ch->channel_id, | |
694 | subdev_info->name); | |
695 | if (ret < 0) { | |
696 | vpif_dbg(1, debug, "couldn't setup input path for the" \ | |
697 | " sub device %s, for input index %d\n", | |
698 | subdev_info->name, index); | |
699 | return ret; | |
700 | } | |
701 | } | |
702 | ||
703 | if (sd) { | |
704 | input = chan_cfg->inputs[index].input_route; | |
705 | output = chan_cfg->inputs[index].output_route; | |
706 | ret = v4l2_subdev_call(sd, video, s_routing, | |
707 | input, output, 0); | |
708 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
709 | vpif_dbg(1, debug, "Failed to set input\n"); | |
710 | return ret; | |
711 | } | |
712 | } | |
713 | ch->input_idx = index; | |
714 | ch->sd = sd; | |
715 | /* copy interface parameters to vpif */ | |
0d4f35f3 | 716 | ch->vpifparams.iface = chan_cfg->vpif_if; |
178cce12 HV |
717 | |
718 | /* update tvnorms from the sub device input info */ | |
8eef6669 | 719 | ch->video_dev.tvnorms = chan_cfg->inputs[index].input.std; |
178cce12 | 720 | return 0; |
6ffefff5 MK |
721 | } |
722 | ||
723 | /** | |
724 | * vpif_querystd() - querystd handler | |
725 | * @file: file ptr | |
726 | * @priv: file handle | |
727 | * @std_id: ptr to std id | |
728 | * | |
729 | * This function is called to detect standard at the selected input | |
730 | */ | |
731 | static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id) | |
732 | { | |
7ff51197 LP |
733 | struct video_device *vdev = video_devdata(file); |
734 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
735 | int ret = 0; |
736 | ||
737 | vpif_dbg(2, debug, "vpif_querystd\n"); | |
738 | ||
6ffefff5 | 739 | /* Call querystd function of decoder device */ |
178cce12 | 740 | ret = v4l2_subdev_call(ch->sd, video, querystd, std_id); |
6ffefff5 | 741 | |
178cce12 HV |
742 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
743 | return -ENODATA; | |
744 | if (ret) { | |
745 | vpif_dbg(1, debug, "Failed to query standard for sub devices\n"); | |
746 | return ret; | |
747 | } | |
748 | ||
749 | return 0; | |
6ffefff5 MK |
750 | } |
751 | ||
752 | /** | |
753 | * vpif_g_std() - get STD handler | |
754 | * @file: file ptr | |
755 | * @priv: file handle | |
756 | * @std_id: ptr to std id | |
757 | */ | |
758 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
759 | { | |
d557b7d5 | 760 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
761 | struct video_device *vdev = video_devdata(file); |
762 | struct channel_obj *ch = video_get_drvdata(vdev); | |
d557b7d5 LP |
763 | struct vpif_capture_chan_config *chan_cfg; |
764 | struct v4l2_input input; | |
6ffefff5 MK |
765 | |
766 | vpif_dbg(2, debug, "vpif_g_std\n"); | |
767 | ||
d557b7d5 LP |
768 | if (config->chan_config[ch->channel_id].inputs == NULL) |
769 | return -ENODATA; | |
770 | ||
771 | chan_cfg = &config->chan_config[ch->channel_id]; | |
772 | input = chan_cfg->inputs[ch->input_idx].input; | |
773 | if (input.capabilities != V4L2_IN_CAP_STD) | |
774 | return -ENODATA; | |
775 | ||
6ffefff5 MK |
776 | *std = ch->video.stdid; |
777 | return 0; | |
778 | } | |
779 | ||
780 | /** | |
781 | * vpif_s_std() - set STD handler | |
782 | * @file: file ptr | |
783 | * @priv: file handle | |
784 | * @std_id: ptr to std id | |
785 | */ | |
314527ac | 786 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
6ffefff5 | 787 | { |
d557b7d5 | 788 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
789 | struct video_device *vdev = video_devdata(file); |
790 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 791 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
d557b7d5 LP |
792 | struct vpif_capture_chan_config *chan_cfg; |
793 | struct v4l2_input input; | |
794 | int ret; | |
6ffefff5 MK |
795 | |
796 | vpif_dbg(2, debug, "vpif_s_std\n"); | |
797 | ||
d557b7d5 LP |
798 | if (config->chan_config[ch->channel_id].inputs == NULL) |
799 | return -ENODATA; | |
800 | ||
801 | chan_cfg = &config->chan_config[ch->channel_id]; | |
802 | input = chan_cfg->inputs[ch->input_idx].input; | |
803 | if (input.capabilities != V4L2_IN_CAP_STD) | |
804 | return -ENODATA; | |
805 | ||
c66238f3 | 806 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 807 | return -EBUSY; |
6ffefff5 | 808 | |
6ffefff5 | 809 | /* Call encoder subdevice function to set the standard */ |
314527ac | 810 | ch->video.stdid = std_id; |
0598c17b | 811 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
6ffefff5 MK |
812 | |
813 | /* Get the information about the standard */ | |
814 | if (vpif_update_std_info(ch)) { | |
6ffefff5 | 815 | vpif_err("Error getting the standard info\n"); |
46656afa | 816 | return -EINVAL; |
6ffefff5 MK |
817 | } |
818 | ||
6ffefff5 | 819 | /* set standard in the sub device */ |
8774bed9 | 820 | ret = v4l2_subdev_call(ch->sd, video, s_std, std_id); |
178cce12 | 821 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { |
6ffefff5 | 822 | vpif_dbg(1, debug, "Failed to set standard for sub devices\n"); |
178cce12 HV |
823 | return ret; |
824 | } | |
825 | return 0; | |
6ffefff5 MK |
826 | } |
827 | ||
828 | /** | |
829 | * vpif_enum_input() - ENUMINPUT handler | |
830 | * @file: file ptr | |
831 | * @priv: file handle | |
832 | * @input: ptr to input structure | |
833 | */ | |
834 | static int vpif_enum_input(struct file *file, void *priv, | |
835 | struct v4l2_input *input) | |
836 | { | |
837 | ||
838 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
839 | struct video_device *vdev = video_devdata(file); |
840 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 841 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
842 | |
843 | chan_cfg = &config->chan_config[ch->channel_id]; | |
844 | ||
a4965c59 | 845 | if (input->index >= chan_cfg->input_count) |
6ffefff5 | 846 | return -EINVAL; |
6ffefff5 MK |
847 | |
848 | memcpy(input, &chan_cfg->inputs[input->index].input, | |
849 | sizeof(*input)); | |
850 | return 0; | |
851 | } | |
852 | ||
853 | /** | |
854 | * vpif_g_input() - Get INPUT handler | |
855 | * @file: file ptr | |
856 | * @priv: file handle | |
857 | * @index: ptr to input index | |
858 | */ | |
859 | static int vpif_g_input(struct file *file, void *priv, unsigned int *index) | |
860 | { | |
7ff51197 LP |
861 | struct video_device *vdev = video_devdata(file); |
862 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 863 | |
6f47c6c6 | 864 | *index = ch->input_idx; |
6ffefff5 MK |
865 | return 0; |
866 | } | |
867 | ||
868 | /** | |
869 | * vpif_s_input() - Set INPUT handler | |
870 | * @file: file ptr | |
871 | * @priv: file handle | |
872 | * @index: input index | |
873 | */ | |
874 | static int vpif_s_input(struct file *file, void *priv, unsigned int index) | |
875 | { | |
876 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
877 | struct video_device *vdev = video_devdata(file); |
878 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 879 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
7ff51197 | 880 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
881 | |
882 | chan_cfg = &config->chan_config[ch->channel_id]; | |
883 | ||
7aaad131 HV |
884 | if (index >= chan_cfg->input_count) |
885 | return -EINVAL; | |
886 | ||
c66238f3 | 887 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 888 | return -EBUSY; |
6ffefff5 | 889 | |
178cce12 | 890 | return vpif_set_input(config, ch, index); |
6ffefff5 MK |
891 | } |
892 | ||
893 | /** | |
894 | * vpif_enum_fmt_vid_cap() - ENUM_FMT handler | |
895 | * @file: file ptr | |
896 | * @priv: file handle | |
897 | * @index: input index | |
898 | */ | |
899 | static int vpif_enum_fmt_vid_cap(struct file *file, void *priv, | |
900 | struct v4l2_fmtdesc *fmt) | |
901 | { | |
7ff51197 LP |
902 | struct video_device *vdev = video_devdata(file); |
903 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
904 | |
905 | if (fmt->index != 0) { | |
906 | vpif_dbg(1, debug, "Invalid format index\n"); | |
907 | return -EINVAL; | |
908 | } | |
909 | ||
910 | /* Fill in the information about format */ | |
911 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) { | |
912 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
913 | strcpy(fmt->description, "Raw Mode -Bayer Pattern GrRBGb"); | |
914 | fmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
915 | } else { | |
916 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
917 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
918 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
919 | } | |
920 | return 0; | |
921 | } | |
922 | ||
923 | /** | |
924 | * vpif_try_fmt_vid_cap() - TRY_FMT handler | |
925 | * @file: file ptr | |
926 | * @priv: file handle | |
927 | * @fmt: ptr to v4l2 format structure | |
928 | */ | |
929 | static int vpif_try_fmt_vid_cap(struct file *file, void *priv, | |
930 | struct v4l2_format *fmt) | |
931 | { | |
7ff51197 LP |
932 | struct video_device *vdev = video_devdata(file); |
933 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 934 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
a4965c59 LP |
935 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); |
936 | struct vpif_params *vpif_params = &ch->vpifparams; | |
937 | ||
938 | /* | |
939 | * to supress v4l-compliance warnings silently correct | |
940 | * the pixelformat | |
941 | */ | |
942 | if (vpif_params->iface.if_type == VPIF_IF_RAW_BAYER) { | |
943 | if (pixfmt->pixelformat != V4L2_PIX_FMT_SBGGR8) | |
944 | pixfmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
945 | } else { | |
946 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
947 | pixfmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
948 | } | |
949 | ||
950 | common->fmt.fmt.pix.pixelformat = pixfmt->pixelformat; | |
6ffefff5 | 951 | |
a4965c59 LP |
952 | vpif_update_std_info(ch); |
953 | ||
954 | pixfmt->field = common->fmt.fmt.pix.field; | |
955 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
956 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
957 | pixfmt->width = common->fmt.fmt.pix.width; | |
958 | pixfmt->height = common->fmt.fmt.pix.height; | |
959 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
960 | pixfmt->priv = 0; | |
961 | ||
962 | return 0; | |
6ffefff5 MK |
963 | } |
964 | ||
965 | ||
966 | /** | |
967 | * vpif_g_fmt_vid_cap() - Set INPUT handler | |
968 | * @file: file ptr | |
969 | * @priv: file handle | |
970 | * @fmt: ptr to v4l2 format structure | |
971 | */ | |
972 | static int vpif_g_fmt_vid_cap(struct file *file, void *priv, | |
973 | struct v4l2_format *fmt) | |
974 | { | |
7ff51197 LP |
975 | struct video_device *vdev = video_devdata(file); |
976 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
977 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
978 | ||
979 | /* Check the validity of the buffer type */ | |
980 | if (common->fmt.type != fmt->type) | |
981 | return -EINVAL; | |
982 | ||
983 | /* Fill in the information about format */ | |
6ffefff5 | 984 | *fmt = common->fmt; |
6ffefff5 MK |
985 | return 0; |
986 | } | |
987 | ||
988 | /** | |
989 | * vpif_s_fmt_vid_cap() - Set FMT handler | |
990 | * @file: file ptr | |
991 | * @priv: file handle | |
992 | * @fmt: ptr to v4l2 format structure | |
993 | */ | |
994 | static int vpif_s_fmt_vid_cap(struct file *file, void *priv, | |
995 | struct v4l2_format *fmt) | |
996 | { | |
7ff51197 LP |
997 | struct video_device *vdev = video_devdata(file); |
998 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 999 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
a4965c59 | 1000 | int ret; |
6ffefff5 | 1001 | |
2c0ddd17 | 1002 | vpif_dbg(2, debug, "%s\n", __func__); |
6ffefff5 | 1003 | |
c66238f3 | 1004 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 1005 | return -EBUSY; |
6ffefff5 | 1006 | |
a4965c59 | 1007 | ret = vpif_try_fmt_vid_cap(file, priv, fmt); |
6ffefff5 MK |
1008 | if (ret) |
1009 | return ret; | |
a4965c59 | 1010 | |
6ffefff5 | 1011 | /* store the format in the channel object */ |
6ffefff5 | 1012 | common->fmt = *fmt; |
6ffefff5 MK |
1013 | return 0; |
1014 | } | |
1015 | ||
1016 | /** | |
1017 | * vpif_querycap() - QUERYCAP handler | |
1018 | * @file: file ptr | |
1019 | * @priv: file handle | |
1020 | * @cap: ptr to v4l2_capability structure | |
1021 | */ | |
1022 | static int vpif_querycap(struct file *file, void *priv, | |
1023 | struct v4l2_capability *cap) | |
1024 | { | |
1025 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
1026 | ||
626d533f LP |
1027 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
1028 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
e75ea0c1 | 1029 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
1030 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
1031 | dev_name(vpif_dev)); | |
6ffefff5 MK |
1032 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
1033 | ||
1034 | return 0; | |
1035 | } | |
1036 | ||
40c8bcea | 1037 | /** |
0598c17b | 1038 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1039 | * @file: file ptr |
1040 | * @priv: file handle | |
0598c17b | 1041 | * @timings: input timings |
40c8bcea | 1042 | */ |
0598c17b HV |
1043 | static int |
1044 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1045 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 1046 | { |
1e8852af | 1047 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1048 | struct video_device *vdev = video_devdata(file); |
1049 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1050 | struct vpif_capture_chan_config *chan_cfg; |
1051 | struct v4l2_input input; | |
178cce12 | 1052 | int ret; |
40c8bcea | 1053 | |
1e8852af LP |
1054 | if (config->chan_config[ch->channel_id].inputs == NULL) |
1055 | return -ENODATA; | |
1056 | ||
1057 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1058 | input = chan_cfg->inputs[ch->input_idx].input; | |
1059 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1060 | return -ENODATA; | |
1061 | ||
10d2146d LP |
1062 | timings->pad = 0; |
1063 | ||
1064 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
e070f1b4 | 1065 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1066 | return -EINVAL; |
1e8852af | 1067 | |
178cce12 | 1068 | return ret; |
40c8bcea MR |
1069 | } |
1070 | ||
1071 | /** | |
0598c17b | 1072 | * vpif_query_dv_timings() - QUERY_DV_TIMINGS handler |
40c8bcea MR |
1073 | * @file: file ptr |
1074 | * @priv: file handle | |
0598c17b | 1075 | * @timings: input timings |
40c8bcea | 1076 | */ |
0598c17b HV |
1077 | static int |
1078 | vpif_query_dv_timings(struct file *file, void *priv, | |
1079 | struct v4l2_dv_timings *timings) | |
40c8bcea | 1080 | { |
1e8852af | 1081 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1082 | struct video_device *vdev = video_devdata(file); |
1083 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1084 | struct vpif_capture_chan_config *chan_cfg; |
1085 | struct v4l2_input input; | |
178cce12 | 1086 | int ret; |
40c8bcea | 1087 | |
1e8852af LP |
1088 | if (config->chan_config[ch->channel_id].inputs == NULL) |
1089 | return -ENODATA; | |
1090 | ||
1091 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1092 | input = chan_cfg->inputs[ch->input_idx].input; | |
1093 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1094 | return -ENODATA; | |
1095 | ||
178cce12 | 1096 | ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); |
e070f1b4 | 1097 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1098 | return -ENODATA; |
1e8852af | 1099 | |
178cce12 | 1100 | return ret; |
40c8bcea MR |
1101 | } |
1102 | ||
c027e165 MR |
1103 | /** |
1104 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1105 | * @file: file ptr | |
1106 | * @priv: file handle | |
1107 | * @timings: digital video timings | |
1108 | */ | |
1109 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1110 | struct v4l2_dv_timings *timings) | |
1111 | { | |
1e8852af | 1112 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1113 | struct video_device *vdev = video_devdata(file); |
1114 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 MR |
1115 | struct vpif_params *vpifparams = &ch->vpifparams; |
1116 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1e8852af | 1117 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 | 1118 | struct video_obj *vid_ch = &ch->video; |
0598c17b | 1119 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1e8852af LP |
1120 | struct vpif_capture_chan_config *chan_cfg; |
1121 | struct v4l2_input input; | |
c027e165 MR |
1122 | int ret; |
1123 | ||
1e8852af LP |
1124 | if (config->chan_config[ch->channel_id].inputs == NULL) |
1125 | return -ENODATA; | |
1126 | ||
1127 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1128 | input = chan_cfg->inputs[ch->input_idx].input; | |
1129 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1130 | return -ENODATA; | |
1131 | ||
c027e165 MR |
1132 | if (timings->type != V4L2_DV_BT_656_1120) { |
1133 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1134 | return -EINVAL; | |
1135 | } | |
1136 | ||
1e8852af LP |
1137 | if (vb2_is_busy(&common->buffer_queue)) |
1138 | return -EBUSY; | |
1139 | ||
c027e165 | 1140 | /* Configure subdevice timings, if any */ |
178cce12 HV |
1141 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
1142 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) | |
1143 | ret = 0; | |
c027e165 MR |
1144 | if (ret < 0) { |
1145 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); | |
1146 | return ret; | |
1147 | } | |
1148 | ||
1149 | if (!(timings->bt.width && timings->bt.height && | |
1150 | (timings->bt.hbackporch || | |
1151 | timings->bt.hfrontporch || | |
1152 | timings->bt.hsync) && | |
1153 | timings->bt.vfrontporch && | |
1154 | (timings->bt.vbackporch || | |
1155 | timings->bt.vsync))) { | |
1156 | vpif_dbg(2, debug, "Timings for width, height, " | |
1157 | "horizontal back porch, horizontal sync, " | |
1158 | "horizontal front porch, vertical back porch, " | |
1159 | "vertical sync and vertical back porch " | |
1160 | "must be defined\n"); | |
1161 | return -EINVAL; | |
1162 | } | |
1163 | ||
0598c17b | 1164 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1165 | |
1166 | /* Configure video port timings */ | |
1167 | ||
e3655268 | 1168 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
1169 | std_info->sav2eav = bt->width; |
1170 | ||
1171 | std_info->l1 = 1; | |
1172 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1173 | ||
e3655268 | 1174 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
1175 | if (bt->interlaced) { |
1176 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
1177 | std_info->l5 = std_info->vsize/2 - |
1178 | (bt->vfrontporch - 1); | |
1179 | std_info->l7 = std_info->vsize/2 + 1; | |
1180 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1181 | bt->il_vbackporch + 1; | |
1182 | std_info->l11 = std_info->vsize - | |
1183 | (bt->il_vfrontporch - 1); | |
1184 | } else { | |
1185 | vpif_dbg(2, debug, "Required timing values for " | |
1186 | "interlaced BT format missing\n"); | |
1187 | return -EINVAL; | |
1188 | } | |
1189 | } else { | |
c027e165 MR |
1190 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
1191 | } | |
1192 | strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME); | |
1193 | std_info->width = bt->width; | |
1194 | std_info->height = bt->height; | |
1195 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1196 | std_info->ycmux_mode = 0; | |
1197 | std_info->capture_format = 0; | |
1198 | std_info->vbi_supported = 0; | |
1199 | std_info->hd_sd = 1; | |
1200 | std_info->stdid = 0; | |
c027e165 MR |
1201 | |
1202 | vid_ch->stdid = 0; | |
c027e165 MR |
1203 | return 0; |
1204 | } | |
1205 | ||
1206 | /** | |
1207 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1208 | * @file: file ptr | |
1209 | * @priv: file handle | |
1210 | * @timings: digital video timings | |
1211 | */ | |
1212 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1213 | struct v4l2_dv_timings *timings) | |
1214 | { | |
1e8852af | 1215 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1216 | struct video_device *vdev = video_devdata(file); |
1217 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 1218 | struct video_obj *vid_ch = &ch->video; |
1e8852af LP |
1219 | struct vpif_capture_chan_config *chan_cfg; |
1220 | struct v4l2_input input; | |
1221 | ||
1222 | if (config->chan_config[ch->channel_id].inputs == NULL) | |
1223 | return -ENODATA; | |
1224 | ||
1225 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1226 | input = chan_cfg->inputs[ch->input_idx].input; | |
1227 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1228 | return -ENODATA; | |
c027e165 | 1229 | |
0598c17b | 1230 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1231 | |
1232 | return 0; | |
1233 | } | |
1234 | ||
7036d6a7 MR |
1235 | /* |
1236 | * vpif_log_status() - Status information | |
1237 | * @file: file ptr | |
1238 | * @priv: file handle | |
1239 | * | |
1240 | * Returns zero. | |
1241 | */ | |
1242 | static int vpif_log_status(struct file *filep, void *priv) | |
1243 | { | |
1244 | /* status for sub devices */ | |
1245 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1246 | ||
1247 | return 0; | |
1248 | } | |
1249 | ||
6ffefff5 MK |
1250 | /* vpif capture ioctl operations */ |
1251 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
7b4657fa | 1252 | .vidioc_querycap = vpif_querycap, |
6ffefff5 | 1253 | .vidioc_enum_fmt_vid_cap = vpif_enum_fmt_vid_cap, |
7b4657fa | 1254 | .vidioc_g_fmt_vid_cap = vpif_g_fmt_vid_cap, |
6ffefff5 MK |
1255 | .vidioc_s_fmt_vid_cap = vpif_s_fmt_vid_cap, |
1256 | .vidioc_try_fmt_vid_cap = vpif_try_fmt_vid_cap, | |
7b4657fa | 1257 | |
6ffefff5 MK |
1258 | .vidioc_enum_input = vpif_enum_input, |
1259 | .vidioc_s_input = vpif_s_input, | |
1260 | .vidioc_g_input = vpif_g_input, | |
d9a3b13c LP |
1261 | |
1262 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1263 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1264 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1265 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1266 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1267 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1268 | .vidioc_streamon = vb2_ioctl_streamon, | |
1269 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1270 | ||
6ffefff5 | 1271 | .vidioc_querystd = vpif_querystd, |
7b4657fa | 1272 | .vidioc_s_std = vpif_s_std, |
6ffefff5 | 1273 | .vidioc_g_std = vpif_g_std, |
d9a3b13c | 1274 | |
7b4657fa LP |
1275 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
1276 | .vidioc_query_dv_timings = vpif_query_dv_timings, | |
1277 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1278 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1279 | ||
7036d6a7 | 1280 | .vidioc_log_status = vpif_log_status, |
6ffefff5 MK |
1281 | }; |
1282 | ||
1283 | /* vpif file operations */ | |
1284 | static struct v4l2_file_operations vpif_fops = { | |
1285 | .owner = THIS_MODULE, | |
7ff51197 LP |
1286 | .open = v4l2_fh_open, |
1287 | .release = vb2_fop_release, | |
46656afa | 1288 | .unlocked_ioctl = video_ioctl2, |
d26d26b5 LP |
1289 | .mmap = vb2_fop_mmap, |
1290 | .poll = vb2_fop_poll | |
6ffefff5 MK |
1291 | }; |
1292 | ||
6ffefff5 MK |
1293 | /** |
1294 | * initialize_vpif() - Initialize vpif data structures | |
1295 | * | |
1296 | * Allocate memory for data structures and initialize them | |
1297 | */ | |
1298 | static int initialize_vpif(void) | |
1299 | { | |
4015bef6 | 1300 | int err, i, j; |
6ffefff5 MK |
1301 | int free_channel_objects_index; |
1302 | ||
6ffefff5 MK |
1303 | /* Allocate memory for six channel objects */ |
1304 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1305 | vpif_obj.dev[i] = | |
1306 | kzalloc(sizeof(*vpif_obj.dev[i]), GFP_KERNEL); | |
1307 | /* If memory allocation fails, return error */ | |
1308 | if (!vpif_obj.dev[i]) { | |
1309 | free_channel_objects_index = i; | |
1310 | err = -ENOMEM; | |
1311 | goto vpif_init_free_channel_objects; | |
1312 | } | |
1313 | } | |
1314 | return 0; | |
1315 | ||
1316 | vpif_init_free_channel_objects: | |
1317 | for (j = 0; j < free_channel_objects_index; j++) | |
1318 | kfree(vpif_obj.dev[j]); | |
1319 | return err; | |
1320 | } | |
1321 | ||
873229e4 LP |
1322 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1323 | struct v4l2_subdev *subdev, | |
1324 | struct v4l2_async_subdev *asd) | |
1325 | { | |
1326 | int i; | |
1327 | ||
1328 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1329 | if (!strcmp(vpif_obj.config->subdev_info[i].name, | |
1330 | subdev->name)) { | |
1331 | vpif_obj.sd[i] = subdev; | |
1332 | return 0; | |
1333 | } | |
1334 | ||
1335 | return -EINVAL; | |
1336 | } | |
1337 | ||
1338 | static int vpif_probe_complete(void) | |
1339 | { | |
1340 | struct common_obj *common; | |
d26d26b5 | 1341 | struct video_device *vdev; |
873229e4 | 1342 | struct channel_obj *ch; |
fa09accc | 1343 | struct vb2_queue *q; |
8eef6669 | 1344 | int j, err, k; |
873229e4 LP |
1345 | |
1346 | for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) { | |
1347 | ch = vpif_obj.dev[j]; | |
1348 | ch->channel_id = j; | |
1349 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1350 | spin_lock_init(&common->irqlock); | |
1351 | mutex_init(&common->lock); | |
873229e4 LP |
1352 | |
1353 | /* select input 0 */ | |
1354 | err = vpif_set_input(vpif_obj.config, ch, 0); | |
1355 | if (err) | |
1356 | goto probe_out; | |
1357 | ||
a4965c59 LP |
1358 | /* set initial format */ |
1359 | ch->video.stdid = V4L2_STD_525_60; | |
1360 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1361 | vpif_update_std_info(ch); | |
1362 | ||
fa09accc LP |
1363 | /* Initialize vb2 queue */ |
1364 | q = &common->buffer_queue; | |
1365 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1366 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1367 | q->drv_priv = ch; | |
1368 | q->ops = &video_qops; | |
1369 | q->mem_ops = &vb2_dma_contig_memops; | |
1370 | q->buf_struct_size = sizeof(struct vpif_cap_buffer); | |
1371 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1372 | q->min_buffers_needed = 1; | |
999ba69b | 1373 | q->lock = &common->lock; |
fa09accc LP |
1374 | |
1375 | err = vb2_queue_init(q); | |
1376 | if (err) { | |
1377 | vpif_err("vpif_capture: vb2_queue_init() failed\n"); | |
1378 | goto probe_out; | |
1379 | } | |
1380 | ||
1381 | common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); | |
1382 | if (IS_ERR(common->alloc_ctx)) { | |
1383 | vpif_err("Failed to get the context\n"); | |
1384 | err = PTR_ERR(common->alloc_ctx); | |
1385 | goto probe_out; | |
1386 | } | |
1387 | ||
1388 | INIT_LIST_HEAD(&common->dma_queue); | |
1389 | ||
e75ea0c1 | 1390 | /* Initialize the video_device structure */ |
8eef6669 | 1391 | vdev = &ch->video_dev; |
e75ea0c1 | 1392 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
8eef6669 | 1393 | vdev->release = video_device_release_empty; |
e75ea0c1 LP |
1394 | vdev->fops = &vpif_fops; |
1395 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1396 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1397 | vdev->vfl_dir = VFL_DIR_RX; | |
d26d26b5 | 1398 | vdev->queue = q; |
7ff51197 | 1399 | vdev->lock = &common->lock; |
8eef6669 | 1400 | video_set_drvdata(&ch->video_dev, ch); |
d26d26b5 | 1401 | err = video_register_device(vdev, |
873229e4 LP |
1402 | VFL_TYPE_GRABBER, (j ? 1 : 0)); |
1403 | if (err) | |
1404 | goto probe_out; | |
1405 | } | |
1406 | ||
1407 | v4l2_info(&vpif_obj.v4l2_dev, "VPIF capture driver initialized\n"); | |
1408 | return 0; | |
1409 | ||
1410 | probe_out: | |
1411 | for (k = 0; k < j; k++) { | |
1412 | /* Get the pointer to the channel object */ | |
1413 | ch = vpif_obj.dev[k]; | |
fa09accc LP |
1414 | common = &ch->common[k]; |
1415 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
873229e4 | 1416 | /* Unregister video device */ |
8eef6669 | 1417 | video_unregister_device(&ch->video_dev); |
873229e4 LP |
1418 | } |
1419 | kfree(vpif_obj.sd); | |
873229e4 LP |
1420 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
1421 | ||
1422 | return err; | |
1423 | } | |
1424 | ||
1425 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1426 | { | |
1427 | return vpif_probe_complete(); | |
1428 | } | |
1429 | ||
6ffefff5 MK |
1430 | /** |
1431 | * vpif_probe : This function probes the vpif capture driver | |
1432 | * @pdev: platform device pointer | |
1433 | * | |
1434 | * This creates device entries by register itself to the V4L2 driver and | |
1435 | * initializes fields of each channel objects | |
1436 | */ | |
1437 | static __init int vpif_probe(struct platform_device *pdev) | |
1438 | { | |
1439 | struct vpif_subdev_info *subdevdata; | |
6ffefff5 | 1440 | struct i2c_adapter *i2c_adap; |
6ffefff5 MK |
1441 | struct resource *res; |
1442 | int subdev_count; | |
8eef6669 LP |
1443 | int res_idx = 0; |
1444 | int i, err; | |
6ffefff5 MK |
1445 | |
1446 | vpif_dev = &pdev->dev; | |
1447 | ||
1448 | err = initialize_vpif(); | |
1449 | if (err) { | |
1450 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1451 | return err; | |
1452 | } | |
1453 | ||
d2f7a1a2 HV |
1454 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1455 | if (err) { | |
1456 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1457 | return err; | |
1458 | } | |
1459 | ||
5be452c3 | 1460 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
a76a0b33 | 1461 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
e75ea0c1 | 1462 | IRQF_SHARED, VPIF_DRIVER_NAME, |
a76a0b33 LP |
1463 | (void *)(&vpif_obj.dev[res_idx]-> |
1464 | channel_id)); | |
1465 | if (err) { | |
1466 | err = -EINVAL; | |
1467 | goto vpif_unregister; | |
6ffefff5 | 1468 | } |
5be452c3 | 1469 | res_idx++; |
6ffefff5 MK |
1470 | } |
1471 | ||
873229e4 | 1472 | vpif_obj.config = pdev->dev.platform_data; |
6ffefff5 | 1473 | |
873229e4 | 1474 | subdev_count = vpif_obj.config->subdev_count; |
1f8766b4 | 1475 | vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, |
6ffefff5 MK |
1476 | GFP_KERNEL); |
1477 | if (vpif_obj.sd == NULL) { | |
1478 | vpif_err("unable to allocate memory for subdevice pointers\n"); | |
1479 | err = -ENOMEM; | |
8eef6669 | 1480 | goto vpif_unregister; |
6ffefff5 MK |
1481 | } |
1482 | ||
873229e4 LP |
1483 | if (!vpif_obj.config->asd_sizes) { |
1484 | i2c_adap = i2c_get_adapter(1); | |
1485 | for (i = 0; i < subdev_count; i++) { | |
1486 | subdevdata = &vpif_obj.config->subdev_info[i]; | |
1487 | vpif_obj.sd[i] = | |
1488 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1489 | i2c_adap, | |
1490 | &subdevdata-> | |
1491 | board_info, | |
1492 | NULL); | |
1493 | ||
1494 | if (!vpif_obj.sd[i]) { | |
1495 | vpif_err("Error registering v4l2 subdevice\n"); | |
2fcd9dc3 | 1496 | err = -ENODEV; |
873229e4 LP |
1497 | goto probe_subdev_out; |
1498 | } | |
1499 | v4l2_info(&vpif_obj.v4l2_dev, | |
1500 | "registered sub device %s\n", | |
1501 | subdevdata->name); | |
1502 | } | |
1503 | vpif_probe_complete(); | |
1504 | } else { | |
e8419d08 | 1505 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
873229e4 LP |
1506 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
1507 | vpif_obj.notifier.bound = vpif_async_bound; | |
1508 | vpif_obj.notifier.complete = vpif_async_complete; | |
1509 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, | |
1510 | &vpif_obj.notifier); | |
1511 | if (err) { | |
1512 | vpif_err("Error registering async notifier\n"); | |
1513 | err = -EINVAL; | |
6ffefff5 MK |
1514 | goto probe_subdev_out; |
1515 | } | |
6ffefff5 | 1516 | } |
6ffefff5 MK |
1517 | |
1518 | return 0; | |
1519 | ||
b65814e5 HV |
1520 | probe_subdev_out: |
1521 | /* free sub devices memory */ | |
1522 | kfree(vpif_obj.sd); | |
b2de4f25 | 1523 | vpif_unregister: |
d2f7a1a2 | 1524 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
b2de4f25 | 1525 | |
6ffefff5 MK |
1526 | return err; |
1527 | } | |
1528 | ||
1529 | /** | |
1530 | * vpif_remove() - driver remove handler | |
1531 | * @device: ptr to platform device structure | |
1532 | * | |
1533 | * The vidoe device is unregistered | |
1534 | */ | |
1535 | static int vpif_remove(struct platform_device *device) | |
1536 | { | |
fa09accc | 1537 | struct common_obj *common; |
6ffefff5 | 1538 | struct channel_obj *ch; |
b2de4f25 | 1539 | int i; |
6ffefff5 MK |
1540 | |
1541 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1542 | ||
410ca605 | 1543 | kfree(vpif_obj.sd); |
6ffefff5 MK |
1544 | /* un-register device */ |
1545 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1546 | /* Get the pointer to the channel object */ | |
1547 | ch = vpif_obj.dev[i]; | |
e9b5872c | 1548 | common = &ch->common[VPIF_VIDEO_INDEX]; |
fa09accc | 1549 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); |
6ffefff5 | 1550 | /* Unregister video device */ |
8eef6669 | 1551 | video_unregister_device(&ch->video_dev); |
410ca605 | 1552 | kfree(vpif_obj.dev[i]); |
6ffefff5 MK |
1553 | } |
1554 | return 0; | |
1555 | } | |
1556 | ||
b7047713 | 1557 | #ifdef CONFIG_PM_SLEEP |
6ffefff5 MK |
1558 | /** |
1559 | * vpif_suspend: vpif device suspend | |
6ffefff5 | 1560 | */ |
3d5946dc | 1561 | static int vpif_suspend(struct device *dev) |
6ffefff5 | 1562 | { |
3d5946dc MH |
1563 | |
1564 | struct common_obj *common; | |
1565 | struct channel_obj *ch; | |
1566 | int i; | |
1567 | ||
1568 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1569 | /* Get the pointer to the channel object */ | |
1570 | ch = vpif_obj.dev[i]; | |
1571 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1572 | |
c54d4a0b | 1573 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1574 | continue; |
1575 | ||
3d5946dc | 1576 | mutex_lock(&common->lock); |
b7047713 LP |
1577 | /* Disable channel */ |
1578 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1579 | enable_channel0(0); | |
1580 | channel0_intr_enable(0); | |
1581 | } | |
1582 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1583 | ycmux_mode == 2) { | |
1584 | enable_channel1(0); | |
1585 | channel1_intr_enable(0); | |
3d5946dc MH |
1586 | } |
1587 | mutex_unlock(&common->lock); | |
1588 | } | |
1589 | ||
1590 | return 0; | |
6ffefff5 MK |
1591 | } |
1592 | ||
3d5946dc | 1593 | /* |
6ffefff5 | 1594 | * vpif_resume: vpif device suspend |
6ffefff5 | 1595 | */ |
3d5946dc | 1596 | static int vpif_resume(struct device *dev) |
6ffefff5 | 1597 | { |
3d5946dc MH |
1598 | struct common_obj *common; |
1599 | struct channel_obj *ch; | |
1600 | int i; | |
1601 | ||
1602 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1603 | /* Get the pointer to the channel object */ | |
1604 | ch = vpif_obj.dev[i]; | |
1605 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1606 | |
c54d4a0b | 1607 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1608 | continue; |
1609 | ||
3d5946dc | 1610 | mutex_lock(&common->lock); |
b7047713 LP |
1611 | /* Enable channel */ |
1612 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1613 | enable_channel0(1); | |
1614 | channel0_intr_enable(1); | |
1615 | } | |
1616 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1617 | ycmux_mode == 2) { | |
1618 | enable_channel1(1); | |
1619 | channel1_intr_enable(1); | |
3d5946dc MH |
1620 | } |
1621 | mutex_unlock(&common->lock); | |
1622 | } | |
1623 | ||
1624 | return 0; | |
6ffefff5 | 1625 | } |
3d5946dc MH |
1626 | #endif |
1627 | ||
b7047713 LP |
1628 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1629 | ||
ffa1b391 | 1630 | static __refdata struct platform_driver vpif_driver = { |
6ffefff5 | 1631 | .driver = { |
e75ea0c1 | 1632 | .name = VPIF_DRIVER_NAME, |
b7047713 | 1633 | .pm = &vpif_pm_ops, |
6ffefff5 MK |
1634 | }, |
1635 | .probe = vpif_probe, | |
1636 | .remove = vpif_remove, | |
1637 | }; | |
1638 | ||
fe424b2f | 1639 | module_platform_driver(vpif_driver); |