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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 | * | |
6ffefff5 MK |
15 | * TODO : add support for VBI & HBI data service |
16 | * add static buffer allocation | |
17 | */ | |
012eef70 | 18 | |
6ffefff5 | 19 | #include <linux/module.h> |
6ffefff5 | 20 | #include <linux/interrupt.h> |
a2d17962 | 21 | #include <linux/of_graph.h> |
6ffefff5 | 22 | #include <linux/platform_device.h> |
5a0e3ad6 | 23 | #include <linux/slab.h> |
012eef70 | 24 | |
a2d17962 | 25 | #include <media/v4l2-fwnode.h> |
012eef70 | 26 | #include <media/v4l2-ioctl.h> |
4a5f8ae5 | 27 | #include <media/i2c/tvp514x.h> |
dde32d41 KH |
28 | #include <media/v4l2-mediabus.h> |
29 | ||
30 | #include <linux/videodev2.h> | |
6ffefff5 | 31 | |
6ffefff5 | 32 | #include "vpif.h" |
012eef70 | 33 | #include "vpif_capture.h" |
6ffefff5 MK |
34 | |
35 | MODULE_DESCRIPTION("TI DaVinci VPIF Capture driver"); | |
36 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 37 | MODULE_VERSION(VPIF_CAPTURE_VERSION); |
6ffefff5 MK |
38 | |
39 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
40 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
41 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
42 | ||
43 | static int debug = 1; | |
6ffefff5 MK |
44 | |
45 | module_param(debug, int, 0644); | |
6ffefff5 MK |
46 | |
47 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
6ffefff5 | 48 | |
e75ea0c1 | 49 | #define VPIF_DRIVER_NAME "vpif_capture" |
bff782d7 | 50 | MODULE_ALIAS("platform:" VPIF_DRIVER_NAME); |
e75ea0c1 | 51 | |
6ffefff5 MK |
52 | /* global variables */ |
53 | static struct vpif_device vpif_obj = { {NULL} }; | |
54 | static struct device *vpif_dev; | |
60aa38d8 LP |
55 | static void vpif_calculate_offsets(struct channel_obj *ch); |
56 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
6ffefff5 | 57 | |
fa09accc LP |
58 | static u8 channel_first_int[VPIF_NUMBER_OF_OBJECTS][2] = { {1, 1} }; |
59 | ||
c66238f3 LP |
60 | /* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ |
61 | static int ycmux_mode; | |
62 | ||
2d700715 JS |
63 | static inline |
64 | struct vpif_cap_buffer *to_vpif_buffer(struct vb2_v4l2_buffer *vb) | |
fa09accc LP |
65 | { |
66 | return container_of(vb, struct vpif_cap_buffer, vb); | |
67 | } | |
68 | ||
6ffefff5 | 69 | /** |
23e76a2a | 70 | * vpif_buffer_prepare : callback function for buffer prepare |
60aa38d8 | 71 | * @vb: ptr to vb2_buffer |
6ffefff5 | 72 | * |
60aa38d8 | 73 | * This is the callback function for buffer prepare when vb2_qbuf() |
6ffefff5 MK |
74 | * function is called. The buffer is prepared and user space virtual address |
75 | * or user address is converted into physical address | |
76 | */ | |
60aa38d8 | 77 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
6ffefff5 | 78 | { |
2d700715 | 79 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
60aa38d8 | 80 | struct vb2_queue *q = vb->vb2_queue; |
fa09accc | 81 | struct channel_obj *ch = vb2_get_drv_priv(q); |
6ffefff5 MK |
82 | struct common_obj *common; |
83 | unsigned long addr; | |
84 | ||
6ffefff5 MK |
85 | vpif_dbg(2, debug, "vpif_buffer_prepare\n"); |
86 | ||
87 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
88 | ||
23e76a2a LP |
89 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); |
90 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
91 | return -EINVAL; | |
92 | ||
2d700715 | 93 | vbuf->field = common->fmt.fmt.pix.field; |
23e76a2a LP |
94 | |
95 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
96 | if (!IS_ALIGNED((addr + common->ytop_off), 8) || | |
97 | !IS_ALIGNED((addr + common->ybtm_off), 8) || | |
98 | !IS_ALIGNED((addr + common->ctop_off), 8) || | |
99 | !IS_ALIGNED((addr + common->cbtm_off), 8)) { | |
100 | vpif_dbg(1, debug, "offset is not aligned\n"); | |
101 | return -EINVAL; | |
6ffefff5 | 102 | } |
23e76a2a | 103 | |
6ffefff5 | 104 | return 0; |
6ffefff5 MK |
105 | } |
106 | ||
107 | /** | |
60aa38d8 LP |
108 | * vpif_buffer_queue_setup : Callback function for buffer setup. |
109 | * @vq: vb2_queue ptr | |
60aa38d8 LP |
110 | * @nbuffers: ptr to number of buffers requested by application |
111 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
389a455d | 112 | * @sizes: contains the size (in bytes) of each plane. |
36c0f8b3 | 113 | * @alloc_devs: ptr to allocation context |
6ffefff5 MK |
114 | * |
115 | * This callback function is called when reqbuf() is called to adjust | |
116 | * the buffer count and buffer size | |
117 | */ | |
60aa38d8 | 118 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
60aa38d8 | 119 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 120 | unsigned int sizes[], struct device *alloc_devs[]) |
6ffefff5 | 121 | { |
fa09accc | 122 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
df9ecb0c HV |
123 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
124 | unsigned size = common->fmt.fmt.pix.sizeimage; | |
6ffefff5 MK |
125 | |
126 | vpif_dbg(2, debug, "vpif_buffer_setup\n"); | |
127 | ||
df9ecb0c HV |
128 | if (*nplanes) { |
129 | if (sizes[0] < size) | |
130 | return -EINVAL; | |
131 | size = sizes[0]; | |
132 | } | |
764af39a | 133 | |
837939de LP |
134 | if (vq->num_buffers + *nbuffers < 3) |
135 | *nbuffers = 3 - vq->num_buffers; | |
60aa38d8 LP |
136 | |
137 | *nplanes = 1; | |
df9ecb0c | 138 | sizes[0] = size; |
60aa38d8 | 139 | |
837939de LP |
140 | /* Calculate the offset for Y and C data in the buffer */ |
141 | vpif_calculate_offsets(ch); | |
142 | ||
6ffefff5 MK |
143 | return 0; |
144 | } | |
145 | ||
146 | /** | |
147 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
60aa38d8 | 148 | * @vb: ptr to vb2_buffer |
6ffefff5 | 149 | */ |
60aa38d8 | 150 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
6ffefff5 | 151 | { |
2d700715 | 152 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
fa09accc | 153 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
2d700715 | 154 | struct vpif_cap_buffer *buf = to_vpif_buffer(vbuf); |
6ffefff5 | 155 | struct common_obj *common; |
aec96832 | 156 | unsigned long flags; |
6ffefff5 MK |
157 | |
158 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
159 | ||
160 | vpif_dbg(2, debug, "vpif_buffer_queue\n"); | |
161 | ||
aec96832 | 162 | spin_lock_irqsave(&common->irqlock, flags); |
6ffefff5 | 163 | /* add the buffer to the DMA queue */ |
60aa38d8 | 164 | list_add_tail(&buf->list, &common->dma_queue); |
aec96832 | 165 | spin_unlock_irqrestore(&common->irqlock, flags); |
6ffefff5 MK |
166 | } |
167 | ||
41b9f24e LP |
168 | /** |
169 | * vpif_start_streaming : Starts the DMA engine for streaming | |
389a455d | 170 | * @vq: ptr to vb2_buffer |
41b9f24e LP |
171 | * @count: number of buffers |
172 | */ | |
60aa38d8 LP |
173 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
174 | { | |
175 | struct vpif_capture_config *vpif_config_data = | |
176 | vpif_dev->platform_data; | |
fa09accc | 177 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 LP |
178 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
179 | struct vpif_params *vpif = &ch->vpifparams; | |
bebd8d12 LP |
180 | struct vpif_cap_buffer *buf, *tmp; |
181 | unsigned long addr, flags; | |
60aa38d8 LP |
182 | int ret; |
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 | 213 | /* Get the next frame from the buffer queue */ |
62dd4acd | 214 | spin_lock_irqsave(&common->irqlock, flags); |
bebd8d12 LP |
215 | common->cur_frm = common->next_frm = list_entry(common->dma_queue.next, |
216 | struct vpif_cap_buffer, list); | |
217 | /* Remove buffer from the buffer queue */ | |
218 | list_del(&common->cur_frm->list); | |
219 | spin_unlock_irqrestore(&common->irqlock, flags); | |
bebd8d12 | 220 | |
2d700715 | 221 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
bebd8d12 | 222 | |
60aa38d8 LP |
223 | common->set_addr(addr + common->ytop_off, |
224 | addr + common->ybtm_off, | |
225 | addr + common->ctop_off, | |
226 | addr + common->cbtm_off); | |
227 | ||
228 | /** | |
229 | * Set interrupt for both the fields in VPIF Register enable channel in | |
230 | * VPIF register | |
231 | */ | |
9e18404a | 232 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
41b9f24e | 233 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { |
60aa38d8 LP |
234 | channel0_intr_assert(); |
235 | channel0_intr_enable(1); | |
236 | enable_channel0(1); | |
237 | } | |
41b9f24e | 238 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 239 | ycmux_mode == 2) { |
60aa38d8 LP |
240 | channel1_intr_assert(); |
241 | channel1_intr_enable(1); | |
242 | enable_channel1(1); | |
243 | } | |
60aa38d8 LP |
244 | |
245 | return 0; | |
bebd8d12 LP |
246 | |
247 | err: | |
62dd4acd | 248 | spin_lock_irqsave(&common->irqlock, flags); |
bebd8d12 LP |
249 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { |
250 | list_del(&buf->list); | |
2d700715 | 251 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
bebd8d12 | 252 | } |
92491968 | 253 | spin_unlock_irqrestore(&common->irqlock, flags); |
bebd8d12 LP |
254 | |
255 | return ret; | |
60aa38d8 LP |
256 | } |
257 | ||
41b9f24e LP |
258 | /** |
259 | * vpif_stop_streaming : Stop the DMA engine | |
260 | * @vq: ptr to vb2_queue | |
261 | * | |
262 | * This callback stops the DMA engine and any remaining buffers | |
263 | * in the DMA queue are released. | |
264 | */ | |
e37559b2 | 265 | static void vpif_stop_streaming(struct vb2_queue *vq) |
60aa38d8 | 266 | { |
fa09accc | 267 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
60aa38d8 | 268 | struct common_obj *common; |
aec96832 | 269 | unsigned long flags; |
d9a3b13c | 270 | int ret; |
60aa38d8 | 271 | |
60aa38d8 LP |
272 | common = &ch->common[VPIF_VIDEO_INDEX]; |
273 | ||
e6ba3db1 LP |
274 | /* Disable channel as per its device type and channel id */ |
275 | if (VPIF_CHANNEL0_VIDEO == ch->channel_id) { | |
276 | enable_channel0(0); | |
277 | channel0_intr_enable(0); | |
278 | } | |
41b9f24e | 279 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id || |
c66238f3 | 280 | ycmux_mode == 2) { |
e6ba3db1 LP |
281 | enable_channel1(0); |
282 | channel1_intr_enable(0); | |
283 | } | |
c66238f3 LP |
284 | |
285 | ycmux_mode = 0; | |
e6ba3db1 | 286 | |
d9a3b13c LP |
287 | ret = v4l2_subdev_call(ch->sd, video, s_stream, 0); |
288 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) | |
289 | vpif_dbg(1, debug, "stream off failed in subdev\n"); | |
290 | ||
60aa38d8 | 291 | /* release all active buffers */ |
e6ba3db1 | 292 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
293 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
294 | VB2_BUF_STATE_ERROR); | |
e6ba3db1 | 295 | } else { |
03161cdb | 296 | if (common->cur_frm) |
2d700715 | 297 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
e6ba3db1 | 298 | VB2_BUF_STATE_ERROR); |
03161cdb | 299 | if (common->next_frm) |
2d700715 | 300 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
e6ba3db1 LP |
301 | VB2_BUF_STATE_ERROR); |
302 | } | |
303 | ||
62dd4acd | 304 | spin_lock_irqsave(&common->irqlock, flags); |
60aa38d8 LP |
305 | while (!list_empty(&common->dma_queue)) { |
306 | common->next_frm = list_entry(common->dma_queue.next, | |
307 | struct vpif_cap_buffer, list); | |
308 | list_del(&common->next_frm->list); | |
2d700715 JS |
309 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
310 | VB2_BUF_STATE_ERROR); | |
60aa38d8 | 311 | } |
aec96832 | 312 | spin_unlock_irqrestore(&common->irqlock, flags); |
60aa38d8 LP |
313 | } |
314 | ||
f5d72329 | 315 | static const struct vb2_ops video_qops = { |
60aa38d8 | 316 | .queue_setup = vpif_buffer_queue_setup, |
60aa38d8 LP |
317 | .buf_prepare = vpif_buffer_prepare, |
318 | .start_streaming = vpif_start_streaming, | |
319 | .stop_streaming = vpif_stop_streaming, | |
60aa38d8 | 320 | .buf_queue = vpif_buffer_queue, |
b41a97a2 PL |
321 | .wait_prepare = vb2_ops_wait_prepare, |
322 | .wait_finish = vb2_ops_wait_finish, | |
60aa38d8 LP |
323 | }; |
324 | ||
6ffefff5 MK |
325 | /** |
326 | * vpif_process_buffer_complete: process a completed buffer | |
327 | * @common: ptr to common channel object | |
328 | * | |
329 | * This function time stamp the buffer and mark it as DONE. It also | |
330 | * wake up any process waiting on the QUEUE and set the next buffer | |
331 | * as current | |
332 | */ | |
333 | static void vpif_process_buffer_complete(struct common_obj *common) | |
334 | { | |
d6dd645e | 335 | common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); |
2d700715 | 336 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, VB2_BUF_STATE_DONE); |
6ffefff5 MK |
337 | /* Make curFrm pointing to nextFrm */ |
338 | common->cur_frm = common->next_frm; | |
339 | } | |
340 | ||
341 | /** | |
342 | * vpif_schedule_next_buffer: set next buffer address for capture | |
343 | * @common : ptr to common channel object | |
344 | * | |
345 | * This function will get next buffer from the dma queue and | |
346 | * set the buffer address in the vpif register for capture. | |
347 | * the buffer is marked active | |
348 | */ | |
349 | static void vpif_schedule_next_buffer(struct common_obj *common) | |
350 | { | |
351 | unsigned long addr = 0; | |
352 | ||
aec96832 | 353 | spin_lock(&common->irqlock); |
6ffefff5 | 354 | common->next_frm = list_entry(common->dma_queue.next, |
60aa38d8 | 355 | struct vpif_cap_buffer, list); |
6ffefff5 | 356 | /* Remove that buffer from the buffer queue */ |
60aa38d8 | 357 | list_del(&common->next_frm->list); |
aec96832 | 358 | spin_unlock(&common->irqlock); |
2d700715 | 359 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
6ffefff5 MK |
360 | |
361 | /* Set top and bottom field addresses in VPIF registers */ | |
362 | common->set_addr(addr + common->ytop_off, | |
363 | addr + common->ybtm_off, | |
364 | addr + common->ctop_off, | |
365 | addr + common->cbtm_off); | |
366 | } | |
367 | ||
368 | /** | |
369 | * vpif_channel_isr : ISR handler for vpif capture | |
370 | * @irq: irq number | |
371 | * @dev_id: dev_id ptr | |
372 | * | |
373 | * It changes status of the captured buffer, takes next buffer from the queue | |
2c0ddd17 | 374 | * and sets its address in VPIF registers |
6ffefff5 MK |
375 | */ |
376 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
377 | { | |
378 | struct vpif_device *dev = &vpif_obj; | |
379 | struct common_obj *common; | |
380 | struct channel_obj *ch; | |
c64d61df | 381 | int channel_id; |
6ffefff5 MK |
382 | int fid = -1, i; |
383 | ||
384 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
385 | if (!vpif_intr_status(channel_id)) |
386 | return IRQ_NONE; | |
387 | ||
6ffefff5 MK |
388 | ch = dev->dev[channel_id]; |
389 | ||
6ffefff5 MK |
390 | for (i = 0; i < VPIF_NUMBER_OF_OBJECTS; i++) { |
391 | common = &ch->common[i]; | |
392 | /* skip If streaming is not started in this channel */ | |
6ffefff5 | 393 | /* Check the field format */ |
dde32d41 KH |
394 | if (1 == ch->vpifparams.std_info.frm_fmt || |
395 | common->fmt.fmt.pix.field == V4L2_FIELD_NONE) { | |
6ffefff5 | 396 | /* Progressive mode */ |
aec96832 HV |
397 | spin_lock(&common->irqlock); |
398 | if (list_empty(&common->dma_queue)) { | |
399 | spin_unlock(&common->irqlock); | |
6ffefff5 | 400 | continue; |
aec96832 HV |
401 | } |
402 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
403 | |
404 | if (!channel_first_int[i][channel_id]) | |
405 | vpif_process_buffer_complete(common); | |
406 | ||
407 | channel_first_int[i][channel_id] = 0; | |
408 | ||
409 | vpif_schedule_next_buffer(common); | |
410 | ||
411 | ||
412 | channel_first_int[i][channel_id] = 0; | |
413 | } else { | |
414 | /** | |
415 | * Interlaced mode. If it is first interrupt, ignore | |
416 | * it | |
417 | */ | |
418 | if (channel_first_int[i][channel_id]) { | |
419 | channel_first_int[i][channel_id] = 0; | |
420 | continue; | |
421 | } | |
422 | if (0 == i) { | |
423 | ch->field_id ^= 1; | |
424 | /* Get field id from VPIF registers */ | |
425 | fid = vpif_channel_getfid(ch->channel_id); | |
426 | if (fid != ch->field_id) { | |
427 | /** | |
428 | * If field id does not match stored | |
429 | * field id, make them in sync | |
430 | */ | |
431 | if (0 == fid) | |
432 | ch->field_id = fid; | |
433 | return IRQ_HANDLED; | |
434 | } | |
435 | } | |
436 | /* device field id and local field id are in sync */ | |
437 | if (0 == fid) { | |
438 | /* this is even field */ | |
439 | if (common->cur_frm == common->next_frm) | |
440 | continue; | |
441 | ||
442 | /* mark the current buffer as done */ | |
443 | vpif_process_buffer_complete(common); | |
444 | } else if (1 == fid) { | |
445 | /* odd field */ | |
aec96832 | 446 | spin_lock(&common->irqlock); |
6ffefff5 | 447 | if (list_empty(&common->dma_queue) || |
aec96832 HV |
448 | (common->cur_frm != common->next_frm)) { |
449 | spin_unlock(&common->irqlock); | |
6ffefff5 | 450 | continue; |
aec96832 HV |
451 | } |
452 | spin_unlock(&common->irqlock); | |
6ffefff5 MK |
453 | |
454 | vpif_schedule_next_buffer(common); | |
455 | } | |
456 | } | |
457 | } | |
458 | return IRQ_HANDLED; | |
459 | } | |
460 | ||
461 | /** | |
462 | * vpif_update_std_info() - update standard related info | |
463 | * @ch: ptr to channel object | |
464 | * | |
465 | * For a given standard selected by application, update values | |
466 | * in the device data structures | |
467 | */ | |
468 | static int vpif_update_std_info(struct channel_obj *ch) | |
469 | { | |
470 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
471 | struct vpif_params *vpifparams = &ch->vpifparams; | |
472 | const struct vpif_channel_config_params *config; | |
2c0ddd17 | 473 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
6ffefff5 MK |
474 | struct video_obj *vid_ch = &ch->video; |
475 | int index; | |
dde32d41 | 476 | struct v4l2_pix_format *pixfmt = &common->fmt.fmt.pix; |
6ffefff5 MK |
477 | |
478 | vpif_dbg(2, debug, "vpif_update_std_info\n"); | |
479 | ||
dde32d41 KH |
480 | /* |
481 | * if called after try_fmt or g_fmt, there will already be a size | |
482 | * so use that by default. | |
483 | */ | |
484 | if (pixfmt->width && pixfmt->height) { | |
485 | if (pixfmt->field == V4L2_FIELD_ANY || | |
486 | pixfmt->field == V4L2_FIELD_NONE) | |
487 | pixfmt->field = V4L2_FIELD_NONE; | |
488 | ||
489 | vpifparams->iface.if_type = VPIF_IF_BT656; | |
490 | if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10 || | |
491 | pixfmt->pixelformat == V4L2_PIX_FMT_SBGGR8) | |
492 | vpifparams->iface.if_type = VPIF_IF_RAW_BAYER; | |
493 | ||
494 | if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10) | |
495 | vpifparams->params.data_sz = 1; /* 10 bits/pixel. */ | |
496 | ||
497 | /* | |
498 | * For raw formats from camera sensors, we don't need | |
499 | * the std_info from table lookup, so nothing else to do here. | |
500 | */ | |
501 | if (vpifparams->iface.if_type == VPIF_IF_RAW_BAYER) { | |
502 | memset(std_info, 0, sizeof(struct vpif_channel_config_params)); | |
503 | vpifparams->std_info.capture_format = 1; /* CCD/raw mode */ | |
504 | return 0; | |
505 | } | |
506 | } | |
507 | ||
aa444406 | 508 | for (index = 0; index < vpif_ch_params_count; index++) { |
ced9b21f | 509 | config = &vpif_ch_params[index]; |
40c8bcea MR |
510 | if (config->hd_sd == 0) { |
511 | vpif_dbg(2, debug, "SD format\n"); | |
512 | if (config->stdid & vid_ch->stdid) { | |
513 | memcpy(std_info, config, sizeof(*config)); | |
514 | break; | |
515 | } | |
516 | } else { | |
517 | vpif_dbg(2, debug, "HD format\n"); | |
0598c17b HV |
518 | if (!memcmp(&config->dv_timings, &vid_ch->dv_timings, |
519 | sizeof(vid_ch->dv_timings))) { | |
40c8bcea MR |
520 | memcpy(std_info, config, sizeof(*config)); |
521 | break; | |
522 | } | |
6ffefff5 MK |
523 | } |
524 | } | |
525 | ||
526 | /* standard not found */ | |
aa444406 | 527 | if (index == vpif_ch_params_count) |
6ffefff5 MK |
528 | return -EINVAL; |
529 | ||
530 | common->fmt.fmt.pix.width = std_info->width; | |
531 | common->width = std_info->width; | |
532 | common->fmt.fmt.pix.height = std_info->height; | |
533 | common->height = std_info->height; | |
a4965c59 | 534 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
6ffefff5 MK |
535 | common->fmt.fmt.pix.bytesperline = std_info->width; |
536 | vpifparams->video_params.hpitch = std_info->width; | |
537 | vpifparams->video_params.storage_mode = std_info->frm_fmt; | |
2c0ddd17 | 538 | |
a4965c59 LP |
539 | if (vid_ch->stdid) |
540 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
541 | else | |
542 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
543 | ||
544 | if (ch->vpifparams.std_info.frm_fmt) | |
545 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
546 | else | |
547 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
548 | ||
549 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) | |
550 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_SBGGR8; | |
551 | else | |
8946ab3a | 552 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_NV16; |
a4965c59 LP |
553 | |
554 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
555 | ||
6ffefff5 MK |
556 | return 0; |
557 | } | |
558 | ||
559 | /** | |
560 | * vpif_calculate_offsets : This function calculates buffers offsets | |
561 | * @ch : ptr to channel object | |
562 | * | |
563 | * This function calculates buffer offsets for Y and C in the top and | |
564 | * bottom field | |
565 | */ | |
566 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
567 | { | |
24ab6338 | 568 | unsigned int hpitch, sizeimage; |
6ffefff5 MK |
569 | struct video_obj *vid_ch = &(ch->video); |
570 | struct vpif_params *vpifparams = &ch->vpifparams; | |
571 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
572 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
573 | ||
574 | vpif_dbg(2, debug, "vpif_calculate_offsets\n"); | |
575 | ||
576 | if (V4L2_FIELD_ANY == field) { | |
577 | if (vpifparams->std_info.frm_fmt) | |
578 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
579 | else | |
580 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
581 | } else | |
582 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
583 | ||
60aa38d8 | 584 | sizeimage = common->fmt.fmt.pix.sizeimage; |
6ffefff5 MK |
585 | |
586 | hpitch = common->fmt.fmt.pix.bytesperline; | |
6ffefff5 MK |
587 | |
588 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
589 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
590 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
591 | common->ytop_off = 0; | |
592 | common->ybtm_off = hpitch; | |
593 | common->ctop_off = sizeimage / 2; | |
594 | common->cbtm_off = sizeimage / 2 + hpitch; | |
595 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
596 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
597 | common->ytop_off = 0; | |
598 | common->ybtm_off = sizeimage / 4; | |
599 | common->ctop_off = sizeimage / 2; | |
600 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
601 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
602 | /* Calculate offsets for Y top, Y Bottom, C top and C Bottom */ | |
603 | common->ybtm_off = 0; | |
604 | common->ytop_off = sizeimage / 4; | |
605 | common->cbtm_off = sizeimage / 2; | |
606 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
607 | } | |
608 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
609 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) | |
610 | vpifparams->video_params.storage_mode = 1; | |
611 | else | |
612 | vpifparams->video_params.storage_mode = 0; | |
613 | ||
614 | if (1 == vpifparams->std_info.frm_fmt) | |
615 | vpifparams->video_params.hpitch = | |
616 | common->fmt.fmt.pix.bytesperline; | |
617 | else { | |
618 | if ((field == V4L2_FIELD_ANY) | |
619 | || (field == V4L2_FIELD_INTERLACED)) | |
620 | vpifparams->video_params.hpitch = | |
621 | common->fmt.fmt.pix.bytesperline * 2; | |
622 | else | |
623 | vpifparams->video_params.hpitch = | |
624 | common->fmt.fmt.pix.bytesperline; | |
625 | } | |
626 | ||
627 | ch->vpifparams.video_params.stdid = vpifparams->std_info.stdid; | |
628 | } | |
629 | ||
6ffefff5 MK |
630 | /** |
631 | * vpif_get_default_field() - Get default field type based on interface | |
389a455d | 632 | * @iface: ptr to vpif interface |
6ffefff5 MK |
633 | */ |
634 | static inline enum v4l2_field vpif_get_default_field( | |
635 | struct vpif_interface *iface) | |
636 | { | |
637 | return (iface->if_type == VPIF_IF_RAW_BAYER) ? V4L2_FIELD_NONE : | |
638 | V4L2_FIELD_INTERLACED; | |
639 | } | |
640 | ||
6ffefff5 MK |
641 | /** |
642 | * vpif_config_addr() - function to configure buffer address in vpif | |
389a455d MCC |
643 | * @ch: channel ptr |
644 | * @muxmode: channel mux mode | |
6ffefff5 MK |
645 | */ |
646 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
647 | { | |
648 | struct common_obj *common; | |
649 | ||
650 | vpif_dbg(2, debug, "vpif_config_addr\n"); | |
651 | ||
652 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
653 | ||
654 | if (VPIF_CHANNEL1_VIDEO == ch->channel_id) | |
655 | common->set_addr = ch1_set_videobuf_addr; | |
656 | else if (2 == muxmode) | |
657 | common->set_addr = ch0_set_videobuf_addr_yc_nmux; | |
658 | else | |
659 | common->set_addr = ch0_set_videobuf_addr; | |
660 | } | |
661 | ||
6ffefff5 | 662 | /** |
178cce12 | 663 | * vpif_input_to_subdev() - Maps input to sub device |
389a455d MCC |
664 | * @vpif_cfg: global config ptr |
665 | * @chan_cfg: channel config ptr | |
666 | * @input_index: Given input index from application | |
6ffefff5 MK |
667 | * |
668 | * lookup the sub device information for a given input index. | |
669 | * we report all the inputs to application. inputs table also | |
670 | * has sub device name for the each input | |
671 | */ | |
178cce12 HV |
672 | static int vpif_input_to_subdev( |
673 | struct vpif_capture_config *vpif_cfg, | |
674 | struct vpif_capture_chan_config *chan_cfg, | |
675 | int input_index) | |
6ffefff5 | 676 | { |
178cce12 HV |
677 | struct vpif_subdev_info *subdev_info; |
678 | const char *subdev_name; | |
6ffefff5 MK |
679 | int i; |
680 | ||
178cce12 | 681 | vpif_dbg(2, debug, "vpif_input_to_subdev\n"); |
6ffefff5 | 682 | |
bff782d7 KH |
683 | if (!chan_cfg) |
684 | return -1; | |
685 | if (input_index >= chan_cfg->input_count) | |
686 | return -1; | |
178cce12 | 687 | subdev_name = chan_cfg->inputs[input_index].subdev_name; |
03161cdb | 688 | if (!subdev_name) |
178cce12 | 689 | return -1; |
6ffefff5 MK |
690 | |
691 | /* loop through the sub device list to get the sub device info */ | |
692 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
693 | subdev_info = &vpif_cfg->subdev_info[i]; | |
4a5f8ae5 | 694 | if (subdev_info && !strcmp(subdev_info->name, subdev_name)) |
178cce12 | 695 | return i; |
6ffefff5 | 696 | } |
178cce12 HV |
697 | return -1; |
698 | } | |
6ffefff5 | 699 | |
178cce12 HV |
700 | /** |
701 | * vpif_set_input() - Select an input | |
389a455d MCC |
702 | * @vpif_cfg: global config ptr |
703 | * @ch: channel | |
704 | * @index: Given input index from application | |
178cce12 HV |
705 | * |
706 | * Select the given input. | |
707 | */ | |
708 | static int vpif_set_input( | |
709 | struct vpif_capture_config *vpif_cfg, | |
710 | struct channel_obj *ch, | |
711 | int index) | |
712 | { | |
713 | struct vpif_capture_chan_config *chan_cfg = | |
714 | &vpif_cfg->chan_config[ch->channel_id]; | |
715 | struct vpif_subdev_info *subdev_info = NULL; | |
716 | struct v4l2_subdev *sd = NULL; | |
717 | u32 input = 0, output = 0; | |
718 | int sd_index; | |
719 | int ret; | |
6ffefff5 | 720 | |
178cce12 HV |
721 | sd_index = vpif_input_to_subdev(vpif_cfg, chan_cfg, index); |
722 | if (sd_index >= 0) { | |
723 | sd = vpif_obj.sd[sd_index]; | |
724 | subdev_info = &vpif_cfg->subdev_info[sd_index]; | |
bff782d7 KH |
725 | } else { |
726 | /* no subdevice, no input to setup */ | |
727 | return 0; | |
178cce12 | 728 | } |
6ffefff5 | 729 | |
178cce12 HV |
730 | /* first setup input path from sub device to vpif */ |
731 | if (sd && vpif_cfg->setup_input_path) { | |
732 | ret = vpif_cfg->setup_input_path(ch->channel_id, | |
733 | subdev_info->name); | |
734 | if (ret < 0) { | |
735 | vpif_dbg(1, debug, "couldn't setup input path for the" \ | |
736 | " sub device %s, for input index %d\n", | |
737 | subdev_info->name, index); | |
738 | return ret; | |
739 | } | |
740 | } | |
741 | ||
742 | if (sd) { | |
743 | input = chan_cfg->inputs[index].input_route; | |
744 | output = chan_cfg->inputs[index].output_route; | |
745 | ret = v4l2_subdev_call(sd, video, s_routing, | |
746 | input, output, 0); | |
747 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
748 | vpif_dbg(1, debug, "Failed to set input\n"); | |
749 | return ret; | |
750 | } | |
751 | } | |
752 | ch->input_idx = index; | |
753 | ch->sd = sd; | |
754 | /* copy interface parameters to vpif */ | |
0d4f35f3 | 755 | ch->vpifparams.iface = chan_cfg->vpif_if; |
178cce12 HV |
756 | |
757 | /* update tvnorms from the sub device input info */ | |
8eef6669 | 758 | ch->video_dev.tvnorms = chan_cfg->inputs[index].input.std; |
178cce12 | 759 | return 0; |
6ffefff5 MK |
760 | } |
761 | ||
762 | /** | |
763 | * vpif_querystd() - querystd handler | |
764 | * @file: file ptr | |
765 | * @priv: file handle | |
766 | * @std_id: ptr to std id | |
767 | * | |
768 | * This function is called to detect standard at the selected input | |
769 | */ | |
770 | static int vpif_querystd(struct file *file, void *priv, v4l2_std_id *std_id) | |
771 | { | |
7ff51197 LP |
772 | struct video_device *vdev = video_devdata(file); |
773 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6a842cc2 | 774 | int ret; |
6ffefff5 MK |
775 | |
776 | vpif_dbg(2, debug, "vpif_querystd\n"); | |
777 | ||
6ffefff5 | 778 | /* Call querystd function of decoder device */ |
178cce12 | 779 | ret = v4l2_subdev_call(ch->sd, video, querystd, std_id); |
6ffefff5 | 780 | |
178cce12 HV |
781 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
782 | return -ENODATA; | |
783 | if (ret) { | |
784 | vpif_dbg(1, debug, "Failed to query standard for sub devices\n"); | |
785 | return ret; | |
786 | } | |
787 | ||
788 | return 0; | |
6ffefff5 MK |
789 | } |
790 | ||
791 | /** | |
792 | * vpif_g_std() - get STD handler | |
793 | * @file: file ptr | |
794 | * @priv: file handle | |
389a455d | 795 | * @std: ptr to std id |
6ffefff5 MK |
796 | */ |
797 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
798 | { | |
d557b7d5 | 799 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
800 | struct video_device *vdev = video_devdata(file); |
801 | struct channel_obj *ch = video_get_drvdata(vdev); | |
d557b7d5 LP |
802 | struct vpif_capture_chan_config *chan_cfg; |
803 | struct v4l2_input input; | |
6ffefff5 MK |
804 | |
805 | vpif_dbg(2, debug, "vpif_g_std\n"); | |
806 | ||
03161cdb | 807 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
808 | return -ENODATA; |
809 | ||
810 | chan_cfg = &config->chan_config[ch->channel_id]; | |
811 | input = chan_cfg->inputs[ch->input_idx].input; | |
812 | if (input.capabilities != V4L2_IN_CAP_STD) | |
813 | return -ENODATA; | |
814 | ||
6ffefff5 MK |
815 | *std = ch->video.stdid; |
816 | return 0; | |
817 | } | |
818 | ||
819 | /** | |
820 | * vpif_s_std() - set STD handler | |
821 | * @file: file ptr | |
822 | * @priv: file handle | |
823 | * @std_id: ptr to std id | |
824 | */ | |
314527ac | 825 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
6ffefff5 | 826 | { |
d557b7d5 | 827 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
828 | struct video_device *vdev = video_devdata(file); |
829 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 830 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
d557b7d5 LP |
831 | struct vpif_capture_chan_config *chan_cfg; |
832 | struct v4l2_input input; | |
833 | int ret; | |
6ffefff5 MK |
834 | |
835 | vpif_dbg(2, debug, "vpif_s_std\n"); | |
836 | ||
03161cdb | 837 | if (!config->chan_config[ch->channel_id].inputs) |
d557b7d5 LP |
838 | return -ENODATA; |
839 | ||
840 | chan_cfg = &config->chan_config[ch->channel_id]; | |
841 | input = chan_cfg->inputs[ch->input_idx].input; | |
842 | if (input.capabilities != V4L2_IN_CAP_STD) | |
843 | return -ENODATA; | |
844 | ||
c66238f3 | 845 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 846 | return -EBUSY; |
6ffefff5 | 847 | |
6ffefff5 | 848 | /* Call encoder subdevice function to set the standard */ |
314527ac | 849 | ch->video.stdid = std_id; |
0598c17b | 850 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
6ffefff5 MK |
851 | |
852 | /* Get the information about the standard */ | |
853 | if (vpif_update_std_info(ch)) { | |
6ffefff5 | 854 | vpif_err("Error getting the standard info\n"); |
46656afa | 855 | return -EINVAL; |
6ffefff5 MK |
856 | } |
857 | ||
6ffefff5 | 858 | /* set standard in the sub device */ |
8774bed9 | 859 | ret = v4l2_subdev_call(ch->sd, video, s_std, std_id); |
178cce12 | 860 | if (ret && ret != -ENOIOCTLCMD && ret != -ENODEV) { |
6ffefff5 | 861 | vpif_dbg(1, debug, "Failed to set standard for sub devices\n"); |
178cce12 HV |
862 | return ret; |
863 | } | |
864 | return 0; | |
6ffefff5 MK |
865 | } |
866 | ||
867 | /** | |
868 | * vpif_enum_input() - ENUMINPUT handler | |
869 | * @file: file ptr | |
870 | * @priv: file handle | |
871 | * @input: ptr to input structure | |
872 | */ | |
873 | static int vpif_enum_input(struct file *file, void *priv, | |
874 | struct v4l2_input *input) | |
875 | { | |
876 | ||
877 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
878 | struct video_device *vdev = video_devdata(file); |
879 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 880 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
881 | |
882 | chan_cfg = &config->chan_config[ch->channel_id]; | |
883 | ||
a4965c59 | 884 | if (input->index >= chan_cfg->input_count) |
6ffefff5 | 885 | return -EINVAL; |
6ffefff5 MK |
886 | |
887 | memcpy(input, &chan_cfg->inputs[input->index].input, | |
888 | sizeof(*input)); | |
889 | return 0; | |
890 | } | |
891 | ||
892 | /** | |
893 | * vpif_g_input() - Get INPUT handler | |
894 | * @file: file ptr | |
895 | * @priv: file handle | |
896 | * @index: ptr to input index | |
897 | */ | |
898 | static int vpif_g_input(struct file *file, void *priv, unsigned int *index) | |
899 | { | |
7ff51197 LP |
900 | struct video_device *vdev = video_devdata(file); |
901 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 902 | |
6f47c6c6 | 903 | *index = ch->input_idx; |
6ffefff5 MK |
904 | return 0; |
905 | } | |
906 | ||
907 | /** | |
908 | * vpif_s_input() - Set INPUT handler | |
909 | * @file: file ptr | |
910 | * @priv: file handle | |
911 | * @index: input index | |
912 | */ | |
913 | static int vpif_s_input(struct file *file, void *priv, unsigned int index) | |
914 | { | |
915 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
7ff51197 LP |
916 | struct video_device *vdev = video_devdata(file); |
917 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 918 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
7ff51197 | 919 | struct vpif_capture_chan_config *chan_cfg; |
6ffefff5 MK |
920 | |
921 | chan_cfg = &config->chan_config[ch->channel_id]; | |
922 | ||
7aaad131 HV |
923 | if (index >= chan_cfg->input_count) |
924 | return -EINVAL; | |
925 | ||
c66238f3 | 926 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 927 | return -EBUSY; |
6ffefff5 | 928 | |
178cce12 | 929 | return vpif_set_input(config, ch, index); |
6ffefff5 MK |
930 | } |
931 | ||
932 | /** | |
933 | * vpif_enum_fmt_vid_cap() - ENUM_FMT handler | |
934 | * @file: file ptr | |
935 | * @priv: file handle | |
389a455d | 936 | * @fmt: ptr to V4L2 format descriptor |
6ffefff5 MK |
937 | */ |
938 | static int vpif_enum_fmt_vid_cap(struct file *file, void *priv, | |
939 | struct v4l2_fmtdesc *fmt) | |
940 | { | |
7ff51197 LP |
941 | struct video_device *vdev = video_devdata(file); |
942 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 MK |
943 | |
944 | if (fmt->index != 0) { | |
945 | vpif_dbg(1, debug, "Invalid format index\n"); | |
946 | return -EINVAL; | |
947 | } | |
948 | ||
949 | /* Fill in the information about format */ | |
950 | if (ch->vpifparams.iface.if_type == VPIF_IF_RAW_BAYER) { | |
951 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
952 | strcpy(fmt->description, "Raw Mode -Bayer Pattern GrRBGb"); | |
953 | fmt->pixelformat = V4L2_PIX_FMT_SBGGR8; | |
954 | } else { | |
955 | fmt->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
8946ab3a NS |
956 | strcpy(fmt->description, "YCbCr4:2:2 Semi-Planar"); |
957 | fmt->pixelformat = V4L2_PIX_FMT_NV16; | |
6ffefff5 MK |
958 | } |
959 | return 0; | |
960 | } | |
961 | ||
962 | /** | |
963 | * vpif_try_fmt_vid_cap() - TRY_FMT handler | |
964 | * @file: file ptr | |
965 | * @priv: file handle | |
966 | * @fmt: ptr to v4l2 format structure | |
967 | */ | |
968 | static int vpif_try_fmt_vid_cap(struct file *file, void *priv, | |
969 | struct v4l2_format *fmt) | |
970 | { | |
7ff51197 LP |
971 | struct video_device *vdev = video_devdata(file); |
972 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 973 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
a4965c59 | 974 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); |
6ffefff5 | 975 | |
dde32d41 | 976 | common->fmt = *fmt; |
a4965c59 LP |
977 | vpif_update_std_info(ch); |
978 | ||
979 | pixfmt->field = common->fmt.fmt.pix.field; | |
980 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
981 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
982 | pixfmt->width = common->fmt.fmt.pix.width; | |
983 | pixfmt->height = common->fmt.fmt.pix.height; | |
984 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
dde32d41 KH |
985 | if (pixfmt->pixelformat == V4L2_PIX_FMT_SGRBG10) { |
986 | pixfmt->bytesperline = common->fmt.fmt.pix.width * 2; | |
987 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height; | |
988 | } | |
a4965c59 LP |
989 | pixfmt->priv = 0; |
990 | ||
dde32d41 KH |
991 | dev_dbg(vpif_dev, "%s: %d x %d; pitch=%d pixelformat=0x%08x, field=%d, size=%d\n", __func__, |
992 | pixfmt->width, pixfmt->height, | |
993 | pixfmt->bytesperline, pixfmt->pixelformat, | |
994 | pixfmt->field, pixfmt->sizeimage); | |
995 | ||
a4965c59 | 996 | return 0; |
6ffefff5 MK |
997 | } |
998 | ||
999 | ||
1000 | /** | |
1001 | * vpif_g_fmt_vid_cap() - Set INPUT handler | |
1002 | * @file: file ptr | |
1003 | * @priv: file handle | |
1004 | * @fmt: ptr to v4l2 format structure | |
1005 | */ | |
1006 | static int vpif_g_fmt_vid_cap(struct file *file, void *priv, | |
1007 | struct v4l2_format *fmt) | |
1008 | { | |
7ff51197 LP |
1009 | struct video_device *vdev = video_devdata(file); |
1010 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 1011 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
dde32d41 KH |
1012 | struct v4l2_pix_format *pix_fmt = &fmt->fmt.pix; |
1013 | struct v4l2_subdev_format format = { | |
1014 | .which = V4L2_SUBDEV_FORMAT_ACTIVE, | |
1015 | }; | |
1016 | struct v4l2_mbus_framefmt *mbus_fmt = &format.format; | |
1017 | int ret; | |
6ffefff5 MK |
1018 | |
1019 | /* Check the validity of the buffer type */ | |
1020 | if (common->fmt.type != fmt->type) | |
1021 | return -EINVAL; | |
1022 | ||
dde32d41 | 1023 | /* By default, use currently set fmt */ |
6ffefff5 | 1024 | *fmt = common->fmt; |
dde32d41 KH |
1025 | |
1026 | /* If subdev has get_fmt, use that to override */ | |
1027 | ret = v4l2_subdev_call(ch->sd, pad, get_fmt, NULL, &format); | |
1028 | if (!ret && mbus_fmt->code) { | |
1029 | v4l2_fill_pix_format(pix_fmt, mbus_fmt); | |
1030 | pix_fmt->bytesperline = pix_fmt->width; | |
1031 | if (mbus_fmt->code == MEDIA_BUS_FMT_SGRBG10_1X10) { | |
1032 | /* e.g. mt9v032 */ | |
1033 | pix_fmt->pixelformat = V4L2_PIX_FMT_SGRBG10; | |
1034 | pix_fmt->bytesperline = pix_fmt->width * 2; | |
1035 | } else if (mbus_fmt->code == MEDIA_BUS_FMT_UYVY8_2X8) { | |
1036 | /* e.g. tvp514x */ | |
1037 | pix_fmt->pixelformat = V4L2_PIX_FMT_NV16; | |
1038 | pix_fmt->bytesperline = pix_fmt->width * 2; | |
1039 | } else { | |
1040 | dev_warn(vpif_dev, "%s: Unhandled media-bus format 0x%x\n", | |
1041 | __func__, mbus_fmt->code); | |
1042 | } | |
1043 | pix_fmt->sizeimage = pix_fmt->bytesperline * pix_fmt->height; | |
1044 | dev_dbg(vpif_dev, "%s: %d x %d; pitch=%d, pixelformat=0x%08x, code=0x%x, field=%d, size=%d\n", __func__, | |
1045 | pix_fmt->width, pix_fmt->height, | |
1046 | pix_fmt->bytesperline, pix_fmt->pixelformat, | |
1047 | mbus_fmt->code, pix_fmt->field, pix_fmt->sizeimage); | |
1048 | ||
1049 | common->fmt = *fmt; | |
1050 | vpif_update_std_info(ch); | |
1051 | } | |
1052 | ||
6ffefff5 MK |
1053 | return 0; |
1054 | } | |
1055 | ||
1056 | /** | |
1057 | * vpif_s_fmt_vid_cap() - Set FMT handler | |
1058 | * @file: file ptr | |
1059 | * @priv: file handle | |
1060 | * @fmt: ptr to v4l2 format structure | |
1061 | */ | |
1062 | static int vpif_s_fmt_vid_cap(struct file *file, void *priv, | |
1063 | struct v4l2_format *fmt) | |
1064 | { | |
7ff51197 LP |
1065 | struct video_device *vdev = video_devdata(file); |
1066 | struct channel_obj *ch = video_get_drvdata(vdev); | |
6ffefff5 | 1067 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
a4965c59 | 1068 | int ret; |
6ffefff5 | 1069 | |
2c0ddd17 | 1070 | vpif_dbg(2, debug, "%s\n", __func__); |
6ffefff5 | 1071 | |
c66238f3 | 1072 | if (vb2_is_busy(&common->buffer_queue)) |
6ffefff5 | 1073 | return -EBUSY; |
6ffefff5 | 1074 | |
a4965c59 | 1075 | ret = vpif_try_fmt_vid_cap(file, priv, fmt); |
6ffefff5 MK |
1076 | if (ret) |
1077 | return ret; | |
a4965c59 | 1078 | |
6ffefff5 | 1079 | /* store the format in the channel object */ |
6ffefff5 | 1080 | common->fmt = *fmt; |
6ffefff5 MK |
1081 | return 0; |
1082 | } | |
1083 | ||
1084 | /** | |
1085 | * vpif_querycap() - QUERYCAP handler | |
1086 | * @file: file ptr | |
1087 | * @priv: file handle | |
1088 | * @cap: ptr to v4l2_capability structure | |
1089 | */ | |
1090 | static int vpif_querycap(struct file *file, void *priv, | |
1091 | struct v4l2_capability *cap) | |
1092 | { | |
1093 | struct vpif_capture_config *config = vpif_dev->platform_data; | |
1094 | ||
626d533f LP |
1095 | cap->device_caps = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING; |
1096 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
e75ea0c1 | 1097 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
1098 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
1099 | dev_name(vpif_dev)); | |
6ffefff5 MK |
1100 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
1101 | ||
1102 | return 0; | |
1103 | } | |
1104 | ||
40c8bcea | 1105 | /** |
0598c17b | 1106 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1107 | * @file: file ptr |
1108 | * @priv: file handle | |
0598c17b | 1109 | * @timings: input timings |
40c8bcea | 1110 | */ |
0598c17b HV |
1111 | static int |
1112 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1113 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 1114 | { |
1e8852af | 1115 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1116 | struct video_device *vdev = video_devdata(file); |
1117 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1118 | struct vpif_capture_chan_config *chan_cfg; |
1119 | struct v4l2_input input; | |
178cce12 | 1120 | int ret; |
40c8bcea | 1121 | |
03161cdb | 1122 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1123 | return -ENODATA; |
1124 | ||
1125 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1126 | input = chan_cfg->inputs[ch->input_idx].input; | |
1127 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1128 | return -ENODATA; | |
1129 | ||
10d2146d LP |
1130 | timings->pad = 0; |
1131 | ||
1132 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
e070f1b4 | 1133 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1134 | return -EINVAL; |
1e8852af | 1135 | |
178cce12 | 1136 | return ret; |
40c8bcea MR |
1137 | } |
1138 | ||
1139 | /** | |
0598c17b | 1140 | * vpif_query_dv_timings() - QUERY_DV_TIMINGS handler |
40c8bcea MR |
1141 | * @file: file ptr |
1142 | * @priv: file handle | |
0598c17b | 1143 | * @timings: input timings |
40c8bcea | 1144 | */ |
0598c17b HV |
1145 | static int |
1146 | vpif_query_dv_timings(struct file *file, void *priv, | |
1147 | struct v4l2_dv_timings *timings) | |
40c8bcea | 1148 | { |
1e8852af | 1149 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1150 | struct video_device *vdev = video_devdata(file); |
1151 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1e8852af LP |
1152 | struct vpif_capture_chan_config *chan_cfg; |
1153 | struct v4l2_input input; | |
178cce12 | 1154 | int ret; |
40c8bcea | 1155 | |
03161cdb | 1156 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1157 | return -ENODATA; |
1158 | ||
1159 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1160 | input = chan_cfg->inputs[ch->input_idx].input; | |
1161 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1162 | return -ENODATA; | |
1163 | ||
178cce12 | 1164 | ret = v4l2_subdev_call(ch->sd, video, query_dv_timings, timings); |
e070f1b4 | 1165 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
178cce12 | 1166 | return -ENODATA; |
1e8852af | 1167 | |
178cce12 | 1168 | return ret; |
40c8bcea MR |
1169 | } |
1170 | ||
c027e165 MR |
1171 | /** |
1172 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1173 | * @file: file ptr | |
1174 | * @priv: file handle | |
1175 | * @timings: digital video timings | |
1176 | */ | |
1177 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1178 | struct v4l2_dv_timings *timings) | |
1179 | { | |
1e8852af | 1180 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1181 | struct video_device *vdev = video_devdata(file); |
1182 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 MR |
1183 | struct vpif_params *vpifparams = &ch->vpifparams; |
1184 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1e8852af | 1185 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 | 1186 | struct video_obj *vid_ch = &ch->video; |
0598c17b | 1187 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1e8852af LP |
1188 | struct vpif_capture_chan_config *chan_cfg; |
1189 | struct v4l2_input input; | |
c027e165 MR |
1190 | int ret; |
1191 | ||
03161cdb | 1192 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1193 | return -ENODATA; |
1194 | ||
1195 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1196 | input = chan_cfg->inputs[ch->input_idx].input; | |
1197 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1198 | return -ENODATA; | |
1199 | ||
c027e165 MR |
1200 | if (timings->type != V4L2_DV_BT_656_1120) { |
1201 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1202 | return -EINVAL; | |
1203 | } | |
1204 | ||
1e8852af LP |
1205 | if (vb2_is_busy(&common->buffer_queue)) |
1206 | return -EBUSY; | |
1207 | ||
c027e165 | 1208 | /* Configure subdevice timings, if any */ |
178cce12 HV |
1209 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
1210 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) | |
1211 | ret = 0; | |
c027e165 MR |
1212 | if (ret < 0) { |
1213 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); | |
1214 | return ret; | |
1215 | } | |
1216 | ||
1217 | if (!(timings->bt.width && timings->bt.height && | |
1218 | (timings->bt.hbackporch || | |
1219 | timings->bt.hfrontporch || | |
1220 | timings->bt.hsync) && | |
1221 | timings->bt.vfrontporch && | |
1222 | (timings->bt.vbackporch || | |
1223 | timings->bt.vsync))) { | |
ded026e0 | 1224 | 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 |
1225 | return -EINVAL; |
1226 | } | |
1227 | ||
0598c17b | 1228 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1229 | |
1230 | /* Configure video port timings */ | |
1231 | ||
e3655268 | 1232 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
1233 | std_info->sav2eav = bt->width; |
1234 | ||
1235 | std_info->l1 = 1; | |
1236 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1237 | ||
e3655268 | 1238 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
1239 | if (bt->interlaced) { |
1240 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
1241 | std_info->l5 = std_info->vsize/2 - |
1242 | (bt->vfrontporch - 1); | |
1243 | std_info->l7 = std_info->vsize/2 + 1; | |
1244 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1245 | bt->il_vbackporch + 1; | |
1246 | std_info->l11 = std_info->vsize - | |
1247 | (bt->il_vfrontporch - 1); | |
1248 | } else { | |
ded026e0 | 1249 | vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n"); |
c027e165 MR |
1250 | return -EINVAL; |
1251 | } | |
1252 | } else { | |
c027e165 MR |
1253 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
1254 | } | |
1255 | strncpy(std_info->name, "Custom timings BT656/1120", VPIF_MAX_NAME); | |
1256 | std_info->width = bt->width; | |
1257 | std_info->height = bt->height; | |
1258 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1259 | std_info->ycmux_mode = 0; | |
1260 | std_info->capture_format = 0; | |
1261 | std_info->vbi_supported = 0; | |
1262 | std_info->hd_sd = 1; | |
1263 | std_info->stdid = 0; | |
c027e165 MR |
1264 | |
1265 | vid_ch->stdid = 0; | |
c027e165 MR |
1266 | return 0; |
1267 | } | |
1268 | ||
1269 | /** | |
1270 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1271 | * @file: file ptr | |
1272 | * @priv: file handle | |
1273 | * @timings: digital video timings | |
1274 | */ | |
1275 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1276 | struct v4l2_dv_timings *timings) | |
1277 | { | |
1e8852af | 1278 | struct vpif_capture_config *config = vpif_dev->platform_data; |
7ff51197 LP |
1279 | struct video_device *vdev = video_devdata(file); |
1280 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 1281 | struct video_obj *vid_ch = &ch->video; |
1e8852af LP |
1282 | struct vpif_capture_chan_config *chan_cfg; |
1283 | struct v4l2_input input; | |
1284 | ||
03161cdb | 1285 | if (!config->chan_config[ch->channel_id].inputs) |
1e8852af LP |
1286 | return -ENODATA; |
1287 | ||
1288 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1289 | input = chan_cfg->inputs[ch->input_idx].input; | |
1290 | if (input.capabilities != V4L2_IN_CAP_DV_TIMINGS) | |
1291 | return -ENODATA; | |
c027e165 | 1292 | |
0598c17b | 1293 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1294 | |
1295 | return 0; | |
1296 | } | |
1297 | ||
7036d6a7 MR |
1298 | /* |
1299 | * vpif_log_status() - Status information | |
1300 | * @file: file ptr | |
1301 | * @priv: file handle | |
1302 | * | |
1303 | * Returns zero. | |
1304 | */ | |
1305 | static int vpif_log_status(struct file *filep, void *priv) | |
1306 | { | |
1307 | /* status for sub devices */ | |
1308 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1309 | ||
1310 | return 0; | |
1311 | } | |
1312 | ||
6ffefff5 MK |
1313 | /* vpif capture ioctl operations */ |
1314 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
7b4657fa | 1315 | .vidioc_querycap = vpif_querycap, |
6ffefff5 | 1316 | .vidioc_enum_fmt_vid_cap = vpif_enum_fmt_vid_cap, |
7b4657fa | 1317 | .vidioc_g_fmt_vid_cap = vpif_g_fmt_vid_cap, |
6ffefff5 MK |
1318 | .vidioc_s_fmt_vid_cap = vpif_s_fmt_vid_cap, |
1319 | .vidioc_try_fmt_vid_cap = vpif_try_fmt_vid_cap, | |
7b4657fa | 1320 | |
6ffefff5 MK |
1321 | .vidioc_enum_input = vpif_enum_input, |
1322 | .vidioc_s_input = vpif_s_input, | |
1323 | .vidioc_g_input = vpif_g_input, | |
d9a3b13c LP |
1324 | |
1325 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1326 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1327 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1328 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1329 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1330 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1331 | .vidioc_streamon = vb2_ioctl_streamon, | |
1332 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1333 | ||
6ffefff5 | 1334 | .vidioc_querystd = vpif_querystd, |
7b4657fa | 1335 | .vidioc_s_std = vpif_s_std, |
6ffefff5 | 1336 | .vidioc_g_std = vpif_g_std, |
d9a3b13c | 1337 | |
7b4657fa LP |
1338 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
1339 | .vidioc_query_dv_timings = vpif_query_dv_timings, | |
1340 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1341 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1342 | ||
7036d6a7 | 1343 | .vidioc_log_status = vpif_log_status, |
6ffefff5 MK |
1344 | }; |
1345 | ||
1346 | /* vpif file operations */ | |
6bcc0516 | 1347 | static const struct v4l2_file_operations vpif_fops = { |
6ffefff5 | 1348 | .owner = THIS_MODULE, |
7ff51197 LP |
1349 | .open = v4l2_fh_open, |
1350 | .release = vb2_fop_release, | |
46656afa | 1351 | .unlocked_ioctl = video_ioctl2, |
d26d26b5 LP |
1352 | .mmap = vb2_fop_mmap, |
1353 | .poll = vb2_fop_poll | |
6ffefff5 MK |
1354 | }; |
1355 | ||
6ffefff5 MK |
1356 | /** |
1357 | * initialize_vpif() - Initialize vpif data structures | |
1358 | * | |
1359 | * Allocate memory for data structures and initialize them | |
1360 | */ | |
1361 | static int initialize_vpif(void) | |
1362 | { | |
4015bef6 | 1363 | int err, i, j; |
6ffefff5 MK |
1364 | int free_channel_objects_index; |
1365 | ||
6ffefff5 MK |
1366 | /* Allocate memory for six channel objects */ |
1367 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1368 | vpif_obj.dev[i] = | |
1369 | kzalloc(sizeof(*vpif_obj.dev[i]), GFP_KERNEL); | |
1370 | /* If memory allocation fails, return error */ | |
1371 | if (!vpif_obj.dev[i]) { | |
1372 | free_channel_objects_index = i; | |
1373 | err = -ENOMEM; | |
1374 | goto vpif_init_free_channel_objects; | |
1375 | } | |
1376 | } | |
1377 | return 0; | |
1378 | ||
1379 | vpif_init_free_channel_objects: | |
1380 | for (j = 0; j < free_channel_objects_index; j++) | |
1381 | kfree(vpif_obj.dev[j]); | |
1382 | return err; | |
1383 | } | |
1384 | ||
873229e4 LP |
1385 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1386 | struct v4l2_subdev *subdev, | |
1387 | struct v4l2_async_subdev *asd) | |
1388 | { | |
1389 | int i; | |
1390 | ||
4a5f8ae5 KH |
1391 | for (i = 0; i < vpif_obj.config->asd_sizes[0]; i++) { |
1392 | struct v4l2_async_subdev *_asd = vpif_obj.config->asd[i]; | |
a2d17962 | 1393 | const struct fwnode_handle *fwnode = _asd->match.fwnode.fwnode; |
4a5f8ae5 | 1394 | |
a2d17962 | 1395 | if (fwnode == subdev->fwnode) { |
4a5f8ae5 KH |
1396 | vpif_obj.sd[i] = subdev; |
1397 | vpif_obj.config->chan_config->inputs[i].subdev_name = | |
a2d17962 | 1398 | (char *)to_of_node(subdev->fwnode)->full_name; |
4a5f8ae5 | 1399 | vpif_dbg(2, debug, |
68d9c47b | 1400 | "%s: setting input %d subdev_name = %pOF\n", |
a2d17962 | 1401 | __func__, i, |
68d9c47b | 1402 | to_of_node(subdev->fwnode)); |
4a5f8ae5 KH |
1403 | return 0; |
1404 | } | |
1405 | } | |
1406 | ||
873229e4 LP |
1407 | for (i = 0; i < vpif_obj.config->subdev_count; i++) |
1408 | if (!strcmp(vpif_obj.config->subdev_info[i].name, | |
1409 | subdev->name)) { | |
1410 | vpif_obj.sd[i] = subdev; | |
1411 | return 0; | |
1412 | } | |
1413 | ||
1414 | return -EINVAL; | |
1415 | } | |
1416 | ||
1417 | static int vpif_probe_complete(void) | |
1418 | { | |
1419 | struct common_obj *common; | |
d26d26b5 | 1420 | struct video_device *vdev; |
873229e4 | 1421 | struct channel_obj *ch; |
fa09accc | 1422 | struct vb2_queue *q; |
8eef6669 | 1423 | int j, err, k; |
873229e4 LP |
1424 | |
1425 | for (j = 0; j < VPIF_CAPTURE_MAX_DEVICES; j++) { | |
1426 | ch = vpif_obj.dev[j]; | |
1427 | ch->channel_id = j; | |
1428 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1429 | spin_lock_init(&common->irqlock); | |
1430 | mutex_init(&common->lock); | |
873229e4 LP |
1431 | |
1432 | /* select input 0 */ | |
1433 | err = vpif_set_input(vpif_obj.config, ch, 0); | |
1434 | if (err) | |
1435 | goto probe_out; | |
1436 | ||
a4965c59 LP |
1437 | /* set initial format */ |
1438 | ch->video.stdid = V4L2_STD_525_60; | |
1439 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
dde32d41 | 1440 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE; |
a4965c59 LP |
1441 | vpif_update_std_info(ch); |
1442 | ||
fa09accc LP |
1443 | /* Initialize vb2 queue */ |
1444 | q = &common->buffer_queue; | |
1445 | q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE; | |
1446 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1447 | q->drv_priv = ch; | |
1448 | q->ops = &video_qops; | |
1449 | q->mem_ops = &vb2_dma_contig_memops; | |
1450 | q->buf_struct_size = sizeof(struct vpif_cap_buffer); | |
1451 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1452 | q->min_buffers_needed = 1; | |
999ba69b | 1453 | q->lock = &common->lock; |
53ddcc68 | 1454 | q->dev = vpif_dev; |
fa09accc LP |
1455 | |
1456 | err = vb2_queue_init(q); | |
1457 | if (err) { | |
1458 | vpif_err("vpif_capture: vb2_queue_init() failed\n"); | |
1459 | goto probe_out; | |
1460 | } | |
1461 | ||
fa09accc LP |
1462 | INIT_LIST_HEAD(&common->dma_queue); |
1463 | ||
e75ea0c1 | 1464 | /* Initialize the video_device structure */ |
8eef6669 | 1465 | vdev = &ch->video_dev; |
e75ea0c1 | 1466 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
8eef6669 | 1467 | vdev->release = video_device_release_empty; |
e75ea0c1 LP |
1468 | vdev->fops = &vpif_fops; |
1469 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1470 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1471 | vdev->vfl_dir = VFL_DIR_RX; | |
d26d26b5 | 1472 | vdev->queue = q; |
7ff51197 | 1473 | vdev->lock = &common->lock; |
8eef6669 | 1474 | video_set_drvdata(&ch->video_dev, ch); |
d26d26b5 | 1475 | err = video_register_device(vdev, |
873229e4 LP |
1476 | VFL_TYPE_GRABBER, (j ? 1 : 0)); |
1477 | if (err) | |
1478 | goto probe_out; | |
1479 | } | |
1480 | ||
1481 | v4l2_info(&vpif_obj.v4l2_dev, "VPIF capture driver initialized\n"); | |
1482 | return 0; | |
1483 | ||
1484 | probe_out: | |
1485 | for (k = 0; k < j; k++) { | |
1486 | /* Get the pointer to the channel object */ | |
1487 | ch = vpif_obj.dev[k]; | |
fa09accc | 1488 | common = &ch->common[k]; |
873229e4 | 1489 | /* Unregister video device */ |
8eef6669 | 1490 | video_unregister_device(&ch->video_dev); |
873229e4 LP |
1491 | } |
1492 | kfree(vpif_obj.sd); | |
873229e4 LP |
1493 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
1494 | ||
1495 | return err; | |
1496 | } | |
1497 | ||
1498 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1499 | { | |
1500 | return vpif_probe_complete(); | |
1501 | } | |
1502 | ||
b6ee3f0d LP |
1503 | static const struct v4l2_async_notifier_operations vpif_async_ops = { |
1504 | .bound = vpif_async_bound, | |
1505 | .complete = vpif_async_complete, | |
1506 | }; | |
1507 | ||
4a5f8ae5 KH |
1508 | static struct vpif_capture_config * |
1509 | vpif_capture_get_pdata(struct platform_device *pdev) | |
1510 | { | |
1511 | struct device_node *endpoint = NULL; | |
a2d17962 | 1512 | struct v4l2_fwnode_endpoint bus_cfg; |
4a5f8ae5 KH |
1513 | struct vpif_capture_config *pdata; |
1514 | struct vpif_subdev_info *sdinfo; | |
1515 | struct vpif_capture_chan_config *chan; | |
1516 | unsigned int i; | |
1517 | ||
1518 | /* | |
1519 | * DT boot: OF node from parent device contains | |
1520 | * video ports & endpoints data. | |
1521 | */ | |
1522 | if (pdev->dev.parent && pdev->dev.parent->of_node) | |
1523 | pdev->dev.of_node = pdev->dev.parent->of_node; | |
1524 | if (!IS_ENABLED(CONFIG_OF) || !pdev->dev.of_node) | |
1525 | return pdev->dev.platform_data; | |
1526 | ||
1527 | pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); | |
1528 | if (!pdata) | |
1529 | return NULL; | |
1530 | pdata->subdev_info = | |
1531 | devm_kzalloc(&pdev->dev, sizeof(*pdata->subdev_info) * | |
1532 | VPIF_CAPTURE_NUM_CHANNELS, GFP_KERNEL); | |
1533 | ||
1534 | if (!pdata->subdev_info) | |
1535 | return NULL; | |
1536 | ||
1537 | for (i = 0; i < VPIF_CAPTURE_NUM_CHANNELS; i++) { | |
1538 | struct device_node *rem; | |
1539 | unsigned int flags; | |
1540 | int err; | |
1541 | ||
1542 | endpoint = of_graph_get_next_endpoint(pdev->dev.of_node, | |
1543 | endpoint); | |
1544 | if (!endpoint) | |
1545 | break; | |
1546 | ||
1547 | sdinfo = &pdata->subdev_info[i]; | |
1548 | chan = &pdata->chan_config[i]; | |
1549 | chan->inputs = devm_kzalloc(&pdev->dev, | |
1550 | sizeof(*chan->inputs) * | |
1551 | VPIF_CAPTURE_NUM_CHANNELS, | |
1552 | GFP_KERNEL); | |
1553 | ||
1554 | chan->input_count++; | |
1555 | chan->inputs[i].input.type = V4L2_INPUT_TYPE_CAMERA; | |
1556 | chan->inputs[i].input.std = V4L2_STD_ALL; | |
1557 | chan->inputs[i].input.capabilities = V4L2_IN_CAP_STD; | |
1558 | ||
a2d17962 SA |
1559 | err = v4l2_fwnode_endpoint_parse(of_fwnode_handle(endpoint), |
1560 | &bus_cfg); | |
4a5f8ae5 KH |
1561 | if (err) { |
1562 | dev_err(&pdev->dev, "Could not parse the endpoint\n"); | |
1563 | goto done; | |
1564 | } | |
68d9c47b RH |
1565 | dev_dbg(&pdev->dev, "Endpoint %pOF, bus_width = %d\n", |
1566 | endpoint, bus_cfg.bus.parallel.bus_width); | |
4a5f8ae5 KH |
1567 | flags = bus_cfg.bus.parallel.flags; |
1568 | ||
1569 | if (flags & V4L2_MBUS_HSYNC_ACTIVE_HIGH) | |
1570 | chan->vpif_if.hd_pol = 1; | |
1571 | ||
1572 | if (flags & V4L2_MBUS_VSYNC_ACTIVE_HIGH) | |
1573 | chan->vpif_if.vd_pol = 1; | |
1574 | ||
1575 | rem = of_graph_get_remote_port_parent(endpoint); | |
1576 | if (!rem) { | |
68d9c47b RH |
1577 | dev_dbg(&pdev->dev, "Remote device at %pOF not found\n", |
1578 | endpoint); | |
4a5f8ae5 KH |
1579 | goto done; |
1580 | } | |
1581 | ||
68d9c47b RH |
1582 | dev_dbg(&pdev->dev, "Remote device %s, %pOF found\n", |
1583 | rem->name, rem); | |
4a5f8ae5 KH |
1584 | sdinfo->name = rem->full_name; |
1585 | ||
1586 | pdata->asd[i] = devm_kzalloc(&pdev->dev, | |
1587 | sizeof(struct v4l2_async_subdev), | |
1588 | GFP_KERNEL); | |
1589 | if (!pdata->asd[i]) { | |
1590 | of_node_put(rem); | |
1591 | pdata = NULL; | |
1592 | goto done; | |
1593 | } | |
1594 | ||
a2d17962 SA |
1595 | pdata->asd[i]->match_type = V4L2_ASYNC_MATCH_FWNODE; |
1596 | pdata->asd[i]->match.fwnode.fwnode = of_fwnode_handle(rem); | |
4a5f8ae5 KH |
1597 | of_node_put(rem); |
1598 | } | |
1599 | ||
1600 | done: | |
5a634ae0 KH |
1601 | if (pdata) { |
1602 | pdata->asd_sizes[0] = i; | |
1603 | pdata->subdev_count = i; | |
1604 | pdata->card_name = "DA850/OMAP-L138 Video Capture"; | |
1605 | } | |
4a5f8ae5 KH |
1606 | |
1607 | return pdata; | |
1608 | } | |
1609 | ||
6ffefff5 MK |
1610 | /** |
1611 | * vpif_probe : This function probes the vpif capture driver | |
1612 | * @pdev: platform device pointer | |
1613 | * | |
1614 | * This creates device entries by register itself to the V4L2 driver and | |
1615 | * initializes fields of each channel objects | |
1616 | */ | |
1617 | static __init int vpif_probe(struct platform_device *pdev) | |
1618 | { | |
1619 | struct vpif_subdev_info *subdevdata; | |
6ffefff5 | 1620 | struct i2c_adapter *i2c_adap; |
6ffefff5 MK |
1621 | struct resource *res; |
1622 | int subdev_count; | |
8eef6669 LP |
1623 | int res_idx = 0; |
1624 | int i, err; | |
6ffefff5 | 1625 | |
4a5f8ae5 KH |
1626 | pdev->dev.platform_data = vpif_capture_get_pdata(pdev); |
1627 | if (!pdev->dev.platform_data) { | |
1628 | dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); | |
1629 | return -EINVAL; | |
1630 | } | |
1631 | ||
bff782d7 KH |
1632 | if (!pdev->dev.platform_data) { |
1633 | dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); | |
1634 | return -EINVAL; | |
1635 | } | |
1636 | ||
6ffefff5 MK |
1637 | vpif_dev = &pdev->dev; |
1638 | ||
1639 | err = initialize_vpif(); | |
1640 | if (err) { | |
1641 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1642 | return err; | |
1643 | } | |
1644 | ||
d2f7a1a2 HV |
1645 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1646 | if (err) { | |
1647 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1648 | return err; | |
1649 | } | |
1650 | ||
5be452c3 | 1651 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
a76a0b33 | 1652 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
e75ea0c1 | 1653 | IRQF_SHARED, VPIF_DRIVER_NAME, |
a76a0b33 LP |
1654 | (void *)(&vpif_obj.dev[res_idx]-> |
1655 | channel_id)); | |
1656 | if (err) { | |
1657 | err = -EINVAL; | |
1658 | goto vpif_unregister; | |
6ffefff5 | 1659 | } |
5be452c3 | 1660 | res_idx++; |
6ffefff5 MK |
1661 | } |
1662 | ||
873229e4 | 1663 | vpif_obj.config = pdev->dev.platform_data; |
6ffefff5 | 1664 | |
873229e4 | 1665 | subdev_count = vpif_obj.config->subdev_count; |
b442c46f | 1666 | vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); |
03161cdb | 1667 | if (!vpif_obj.sd) { |
6ffefff5 | 1668 | err = -ENOMEM; |
8eef6669 | 1669 | goto vpif_unregister; |
6ffefff5 MK |
1670 | } |
1671 | ||
4a5f8ae5 | 1672 | if (!vpif_obj.config->asd_sizes[0]) { |
2d40cb3f KH |
1673 | int i2c_id = vpif_obj.config->i2c_adapter_id; |
1674 | ||
1675 | i2c_adap = i2c_get_adapter(i2c_id); | |
1676 | WARN_ON(!i2c_adap); | |
873229e4 LP |
1677 | for (i = 0; i < subdev_count; i++) { |
1678 | subdevdata = &vpif_obj.config->subdev_info[i]; | |
1679 | vpif_obj.sd[i] = | |
1680 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1681 | i2c_adap, | |
1682 | &subdevdata-> | |
1683 | board_info, | |
1684 | NULL); | |
1685 | ||
1686 | if (!vpif_obj.sd[i]) { | |
1687 | vpif_err("Error registering v4l2 subdevice\n"); | |
2fcd9dc3 | 1688 | err = -ENODEV; |
873229e4 LP |
1689 | goto probe_subdev_out; |
1690 | } | |
1691 | v4l2_info(&vpif_obj.v4l2_dev, | |
1692 | "registered sub device %s\n", | |
1693 | subdevdata->name); | |
1694 | } | |
1695 | vpif_probe_complete(); | |
1696 | } else { | |
e8419d08 | 1697 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
873229e4 | 1698 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
b6ee3f0d | 1699 | vpif_obj.notifier.ops = &vpif_async_ops; |
873229e4 LP |
1700 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, |
1701 | &vpif_obj.notifier); | |
1702 | if (err) { | |
1703 | vpif_err("Error registering async notifier\n"); | |
1704 | err = -EINVAL; | |
6ffefff5 MK |
1705 | goto probe_subdev_out; |
1706 | } | |
6ffefff5 | 1707 | } |
6ffefff5 MK |
1708 | |
1709 | return 0; | |
1710 | ||
b65814e5 HV |
1711 | probe_subdev_out: |
1712 | /* free sub devices memory */ | |
1713 | kfree(vpif_obj.sd); | |
b2de4f25 | 1714 | vpif_unregister: |
d2f7a1a2 | 1715 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
b2de4f25 | 1716 | |
6ffefff5 MK |
1717 | return err; |
1718 | } | |
1719 | ||
1720 | /** | |
1721 | * vpif_remove() - driver remove handler | |
1722 | * @device: ptr to platform device structure | |
1723 | * | |
1724 | * The vidoe device is unregistered | |
1725 | */ | |
1726 | static int vpif_remove(struct platform_device *device) | |
1727 | { | |
6ffefff5 | 1728 | struct channel_obj *ch; |
b2de4f25 | 1729 | int i; |
6ffefff5 MK |
1730 | |
1731 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1732 | ||
410ca605 | 1733 | kfree(vpif_obj.sd); |
6ffefff5 MK |
1734 | /* un-register device */ |
1735 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1736 | /* Get the pointer to the channel object */ | |
1737 | ch = vpif_obj.dev[i]; | |
1738 | /* Unregister video device */ | |
8eef6669 | 1739 | video_unregister_device(&ch->video_dev); |
410ca605 | 1740 | kfree(vpif_obj.dev[i]); |
6ffefff5 MK |
1741 | } |
1742 | return 0; | |
1743 | } | |
1744 | ||
b7047713 | 1745 | #ifdef CONFIG_PM_SLEEP |
6ffefff5 MK |
1746 | /** |
1747 | * vpif_suspend: vpif device suspend | |
389a455d | 1748 | * @dev: pointer to &struct device |
6ffefff5 | 1749 | */ |
3d5946dc | 1750 | static int vpif_suspend(struct device *dev) |
6ffefff5 | 1751 | { |
3d5946dc MH |
1752 | |
1753 | struct common_obj *common; | |
1754 | struct channel_obj *ch; | |
1755 | int i; | |
1756 | ||
1757 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1758 | /* Get the pointer to the channel object */ | |
1759 | ch = vpif_obj.dev[i]; | |
1760 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1761 | |
c54d4a0b | 1762 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1763 | continue; |
1764 | ||
3d5946dc | 1765 | mutex_lock(&common->lock); |
b7047713 LP |
1766 | /* Disable channel */ |
1767 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1768 | enable_channel0(0); | |
1769 | channel0_intr_enable(0); | |
1770 | } | |
1771 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1772 | ycmux_mode == 2) { | |
1773 | enable_channel1(0); | |
1774 | channel1_intr_enable(0); | |
3d5946dc MH |
1775 | } |
1776 | mutex_unlock(&common->lock); | |
1777 | } | |
1778 | ||
1779 | return 0; | |
6ffefff5 MK |
1780 | } |
1781 | ||
3d5946dc | 1782 | /* |
6ffefff5 | 1783 | * vpif_resume: vpif device suspend |
6ffefff5 | 1784 | */ |
3d5946dc | 1785 | static int vpif_resume(struct device *dev) |
6ffefff5 | 1786 | { |
3d5946dc MH |
1787 | struct common_obj *common; |
1788 | struct channel_obj *ch; | |
1789 | int i; | |
1790 | ||
1791 | for (i = 0; i < VPIF_CAPTURE_MAX_DEVICES; i++) { | |
1792 | /* Get the pointer to the channel object */ | |
1793 | ch = vpif_obj.dev[i]; | |
1794 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
b7047713 | 1795 | |
c54d4a0b | 1796 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
b7047713 LP |
1797 | continue; |
1798 | ||
3d5946dc | 1799 | mutex_lock(&common->lock); |
b7047713 LP |
1800 | /* Enable channel */ |
1801 | if (ch->channel_id == VPIF_CHANNEL0_VIDEO) { | |
1802 | enable_channel0(1); | |
1803 | channel0_intr_enable(1); | |
1804 | } | |
1805 | if (ch->channel_id == VPIF_CHANNEL1_VIDEO || | |
1806 | ycmux_mode == 2) { | |
1807 | enable_channel1(1); | |
1808 | channel1_intr_enable(1); | |
3d5946dc MH |
1809 | } |
1810 | mutex_unlock(&common->lock); | |
1811 | } | |
1812 | ||
1813 | return 0; | |
6ffefff5 | 1814 | } |
3d5946dc MH |
1815 | #endif |
1816 | ||
b7047713 LP |
1817 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1818 | ||
ffa1b391 | 1819 | static __refdata struct platform_driver vpif_driver = { |
6ffefff5 | 1820 | .driver = { |
e75ea0c1 | 1821 | .name = VPIF_DRIVER_NAME, |
b7047713 | 1822 | .pm = &vpif_pm_ops, |
6ffefff5 MK |
1823 | }, |
1824 | .probe = vpif_probe, | |
1825 | .remove = vpif_remove, | |
1826 | }; | |
1827 | ||
fe424b2f | 1828 | module_platform_driver(vpif_driver); |