Commit | Line | Data |
---|---|---|
e7332e3a C |
1 | /* |
2 | * vpif-display - VPIF display driver | |
3 | * Display driver for TI DaVinci VPIF | |
4 | * | |
5 | * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com/ | |
96787eb4 | 6 | * Copyright (C) 2014 Lad, Prabhakar <prabhakar.csengg@gmail.com> |
e7332e3a C |
7 | * |
8 | * This program is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU General Public License as | |
10 | * published by the Free Software Foundation version 2. | |
11 | * | |
12 | * This program is distributed .as is. WITHOUT ANY WARRANTY of any | |
13 | * kind, whether express or implied; without even the implied warranty | |
14 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | */ | |
17 | ||
e7332e3a | 18 | #include <linux/interrupt.h> |
012eef70 | 19 | #include <linux/module.h> |
e7332e3a | 20 | #include <linux/platform_device.h> |
5a0e3ad6 | 21 | #include <linux/slab.h> |
e7332e3a | 22 | |
012eef70 | 23 | #include <media/v4l2-ioctl.h> |
e7332e3a | 24 | |
e7332e3a | 25 | #include "vpif.h" |
012eef70 | 26 | #include "vpif_display.h" |
e7332e3a C |
27 | |
28 | MODULE_DESCRIPTION("TI DaVinci VPIF Display driver"); | |
29 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 30 | MODULE_VERSION(VPIF_DISPLAY_VERSION); |
e7332e3a | 31 | |
0a63172a | 32 | #define VPIF_V4L2_STD (V4L2_STD_525_60 | V4L2_STD_625_50) |
e7332e3a C |
33 | |
34 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
35 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
36 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
37 | ||
38 | static int debug = 1; | |
e7332e3a C |
39 | |
40 | module_param(debug, int, 0644); | |
e7332e3a C |
41 | |
42 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
e7332e3a | 43 | |
76c4c2be | 44 | #define VPIF_DRIVER_NAME "vpif_display" |
2f5851b5 LP |
45 | |
46 | /* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ | |
47 | static int ycmux_mode; | |
48 | ||
58334b00 LP |
49 | static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; |
50 | ||
e7332e3a C |
51 | static struct vpif_device vpif_obj = { {NULL} }; |
52 | static struct device *vpif_dev; | |
2401dd25 LP |
53 | static void vpif_calculate_offsets(struct channel_obj *ch); |
54 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
e7332e3a | 55 | |
2d700715 JS |
56 | static inline |
57 | struct vpif_disp_buffer *to_vpif_buffer(struct vb2_v4l2_buffer *vb) | |
58334b00 LP |
58 | { |
59 | return container_of(vb, struct vpif_disp_buffer, vb); | |
60 | } | |
61 | ||
27cdf9ba LP |
62 | /** |
63 | * vpif_buffer_prepare : callback function for buffer prepare | |
64 | * @vb: ptr to vb2_buffer | |
65 | * | |
66 | * This is the callback function for buffer prepare when vb2_qbuf() | |
67 | * function is called. The buffer is prepared and user space virtual address | |
68 | * or user address is converted into physical address | |
e7332e3a | 69 | */ |
2401dd25 | 70 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
e7332e3a | 71 | { |
2d700715 | 72 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
27cdf9ba | 73 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 74 | struct common_obj *common; |
e7332e3a | 75 | |
a2b235cb | 76 | common = &ch->common[VPIF_VIDEO_INDEX]; |
27cdf9ba LP |
77 | |
78 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); | |
79 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
80 | return -EINVAL; | |
81 | ||
2d700715 | 82 | vbuf->field = common->fmt.fmt.pix.field; |
27cdf9ba LP |
83 | |
84 | if (vb->vb2_queue->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { | |
85 | unsigned long addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
86 | ||
87 | if (!ISALIGNED(addr + common->ytop_off) || | |
2401dd25 LP |
88 | !ISALIGNED(addr + common->ybtm_off) || |
89 | !ISALIGNED(addr + common->ctop_off) || | |
27cdf9ba LP |
90 | !ISALIGNED(addr + common->cbtm_off)) { |
91 | vpif_err("buffer offset not aligned to 8 bytes\n"); | |
92 | return -EINVAL; | |
2401dd25 | 93 | } |
e7332e3a | 94 | } |
e7332e3a | 95 | |
27cdf9ba | 96 | return 0; |
e7332e3a C |
97 | } |
98 | ||
172392a1 LP |
99 | /** |
100 | * vpif_buffer_queue_setup : Callback function for buffer setup. | |
101 | * @vq: vb2_queue ptr | |
102 | * @fmt: v4l2 format | |
103 | * @nbuffers: ptr to number of buffers requested by application | |
104 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
105 | * @sizes[]: contains the size (in bytes) of each plane. | |
106 | * @alloc_ctxs: ptr to allocation context | |
107 | * | |
108 | * This callback function is called when reqbuf() is called to adjust | |
109 | * the buffer count and buffer size | |
e7332e3a | 110 | */ |
2401dd25 | 111 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
33119e80 | 112 | const void *parg, |
2401dd25 LP |
113 | unsigned int *nbuffers, unsigned int *nplanes, |
114 | unsigned int sizes[], void *alloc_ctxs[]) | |
e7332e3a | 115 | { |
33119e80 | 116 | const struct v4l2_format *fmt = parg; |
a2b235cb | 117 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
e7332e3a | 118 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
fc613d44 | 119 | |
172392a1 LP |
120 | if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) |
121 | return -EINVAL; | |
122 | ||
123 | if (vq->num_buffers + *nbuffers < 3) | |
124 | *nbuffers = 3 - vq->num_buffers; | |
e7332e3a | 125 | |
2401dd25 | 126 | *nplanes = 1; |
172392a1 | 127 | sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; |
2401dd25 | 128 | alloc_ctxs[0] = common->alloc_ctx; |
172392a1 LP |
129 | |
130 | /* Calculate the offset for Y and C data in the buffer */ | |
131 | vpif_calculate_offsets(ch); | |
132 | ||
e7332e3a C |
133 | return 0; |
134 | } | |
135 | ||
58334b00 LP |
136 | /** |
137 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
138 | * @vb: ptr to vb2_buffer | |
139 | * | |
140 | * This callback fucntion queues the buffer to DMA engine | |
e7332e3a | 141 | */ |
2401dd25 | 142 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
e7332e3a | 143 | { |
2d700715 JS |
144 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
145 | struct vpif_disp_buffer *buf = to_vpif_buffer(vbuf); | |
a2b235cb | 146 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 147 | struct common_obj *common; |
c4697d7f | 148 | unsigned long flags; |
e7332e3a | 149 | |
2401dd25 | 150 | common = &ch->common[VPIF_VIDEO_INDEX]; |
e7332e3a C |
151 | |
152 | /* add the buffer to the DMA queue */ | |
c4697d7f | 153 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 154 | list_add_tail(&buf->list, &common->dma_queue); |
c4697d7f | 155 | spin_unlock_irqrestore(&common->irqlock, flags); |
e7332e3a C |
156 | } |
157 | ||
58334b00 LP |
158 | /** |
159 | * vpif_start_streaming : Starts the DMA engine for streaming | |
160 | * @vb: ptr to vb2_buffer | |
161 | * @count: number of buffers | |
162 | */ | |
2401dd25 LP |
163 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
164 | { | |
165 | struct vpif_display_config *vpif_config_data = | |
166 | vpif_dev->platform_data; | |
a2b235cb | 167 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 LP |
168 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
169 | struct vpif_params *vpif = &ch->vpifparams; | |
54a445a4 LP |
170 | struct vpif_disp_buffer *buf, *tmp; |
171 | unsigned long addr, flags; | |
2401dd25 LP |
172 | int ret; |
173 | ||
c4697d7f | 174 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 175 | |
2f5851b5 | 176 | /* Initialize field_id */ |
2401dd25 | 177 | ch->field_id = 0; |
54a445a4 | 178 | |
2401dd25 | 179 | /* clock settings */ |
f4ad8d74 LP |
180 | if (vpif_config_data->set_clock) { |
181 | ret = vpif_config_data->set_clock(ch->vpifparams.std_info. | |
182 | ycmux_mode, ch->vpifparams.std_info.hd_sd); | |
183 | if (ret < 0) { | |
184 | vpif_err("can't set clock\n"); | |
54a445a4 | 185 | goto err; |
f4ad8d74 | 186 | } |
2401dd25 LP |
187 | } |
188 | ||
189 | /* set the parameters and addresses */ | |
190 | ret = vpif_set_video_params(vpif, ch->channel_id + 2); | |
191 | if (ret < 0) | |
54a445a4 | 192 | goto err; |
2401dd25 | 193 | |
2f5851b5 | 194 | ycmux_mode = ret; |
2401dd25 | 195 | vpif_config_addr(ch, ret); |
54a445a4 LP |
196 | /* Get the next frame from the buffer queue */ |
197 | common->next_frm = common->cur_frm = | |
198 | list_entry(common->dma_queue.next, | |
199 | struct vpif_disp_buffer, list); | |
200 | ||
201 | list_del(&common->cur_frm->list); | |
202 | spin_unlock_irqrestore(&common->irqlock, flags); | |
54a445a4 | 203 | |
2d700715 | 204 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
2401dd25 LP |
205 | common->set_addr((addr + common->ytop_off), |
206 | (addr + common->ybtm_off), | |
207 | (addr + common->ctop_off), | |
208 | (addr + common->cbtm_off)); | |
209 | ||
58334b00 LP |
210 | /* |
211 | * Set interrupt for both the fields in VPIF | |
212 | * Register enable channel in VPIF register | |
213 | */ | |
9e18404a | 214 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
2401dd25 LP |
215 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { |
216 | channel2_intr_assert(); | |
217 | channel2_intr_enable(1); | |
218 | enable_channel2(1); | |
2bd4e58c | 219 | if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) |
6964b103 | 220 | channel2_clipping_enable(1); |
2401dd25 LP |
221 | } |
222 | ||
2f5851b5 | 223 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
2401dd25 LP |
224 | channel3_intr_assert(); |
225 | channel3_intr_enable(1); | |
226 | enable_channel3(1); | |
2bd4e58c | 227 | if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) |
6964b103 | 228 | channel3_clipping_enable(1); |
2401dd25 | 229 | } |
2401dd25 LP |
230 | |
231 | return 0; | |
54a445a4 LP |
232 | |
233 | err: | |
234 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
235 | list_del(&buf->list); | |
2d700715 | 236 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
54a445a4 | 237 | } |
92491968 | 238 | spin_unlock_irqrestore(&common->irqlock, flags); |
54a445a4 LP |
239 | |
240 | return ret; | |
2401dd25 LP |
241 | } |
242 | ||
58334b00 LP |
243 | /** |
244 | * vpif_stop_streaming : Stop the DMA engine | |
245 | * @vq: ptr to vb2_queue | |
246 | * | |
247 | * This callback stops the DMA engine and any remaining buffers | |
248 | * in the DMA queue are released. | |
249 | */ | |
e37559b2 | 250 | static void vpif_stop_streaming(struct vb2_queue *vq) |
2401dd25 | 251 | { |
a2b235cb | 252 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 | 253 | struct common_obj *common; |
c4697d7f | 254 | unsigned long flags; |
2401dd25 | 255 | |
2401dd25 LP |
256 | common = &ch->common[VPIF_VIDEO_INDEX]; |
257 | ||
18c7adcf LP |
258 | /* Disable channel */ |
259 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
260 | enable_channel2(0); | |
261 | channel2_intr_enable(0); | |
262 | } | |
2f5851b5 | 263 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
18c7adcf LP |
264 | enable_channel3(0); |
265 | channel3_intr_enable(0); | |
266 | } | |
18c7adcf | 267 | |
2401dd25 | 268 | /* release all active buffers */ |
c4697d7f | 269 | spin_lock_irqsave(&common->irqlock, flags); |
18c7adcf | 270 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
271 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
272 | VB2_BUF_STATE_ERROR); | |
18c7adcf LP |
273 | } else { |
274 | if (common->cur_frm != NULL) | |
2d700715 | 275 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
18c7adcf LP |
276 | VB2_BUF_STATE_ERROR); |
277 | if (common->next_frm != NULL) | |
2d700715 | 278 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
18c7adcf LP |
279 | VB2_BUF_STATE_ERROR); |
280 | } | |
281 | ||
2401dd25 LP |
282 | while (!list_empty(&common->dma_queue)) { |
283 | common->next_frm = list_entry(common->dma_queue.next, | |
284 | struct vpif_disp_buffer, list); | |
285 | list_del(&common->next_frm->list); | |
2d700715 JS |
286 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
287 | VB2_BUF_STATE_ERROR); | |
2401dd25 | 288 | } |
c4697d7f | 289 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
290 | } |
291 | ||
292 | static struct vb2_ops video_qops = { | |
293 | .queue_setup = vpif_buffer_queue_setup, | |
d10ed5c1 LP |
294 | .wait_prepare = vb2_ops_wait_prepare, |
295 | .wait_finish = vb2_ops_wait_finish, | |
2401dd25 LP |
296 | .buf_prepare = vpif_buffer_prepare, |
297 | .start_streaming = vpif_start_streaming, | |
298 | .stop_streaming = vpif_stop_streaming, | |
2401dd25 LP |
299 | .buf_queue = vpif_buffer_queue, |
300 | }; | |
301 | ||
e7332e3a C |
302 | static void process_progressive_mode(struct common_obj *common) |
303 | { | |
304 | unsigned long addr = 0; | |
305 | ||
c4697d7f | 306 | spin_lock(&common->irqlock); |
e7332e3a C |
307 | /* Get the next buffer from buffer queue */ |
308 | common->next_frm = list_entry(common->dma_queue.next, | |
2401dd25 | 309 | struct vpif_disp_buffer, list); |
e7332e3a | 310 | /* Remove that buffer from the buffer queue */ |
2401dd25 | 311 | list_del(&common->next_frm->list); |
c4697d7f | 312 | spin_unlock(&common->irqlock); |
e7332e3a C |
313 | |
314 | /* Set top and bottom field addrs in VPIF registers */ | |
2d700715 | 315 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
e7332e3a C |
316 | common->set_addr(addr + common->ytop_off, |
317 | addr + common->ybtm_off, | |
318 | addr + common->ctop_off, | |
319 | addr + common->cbtm_off); | |
320 | } | |
321 | ||
322 | static void process_interlaced_mode(int fid, struct common_obj *common) | |
323 | { | |
324 | /* device field id and local field id are in sync */ | |
325 | /* If this is even field */ | |
326 | if (0 == fid) { | |
327 | if (common->cur_frm == common->next_frm) | |
328 | return; | |
329 | ||
330 | /* one frame is displayed If next frame is | |
331 | * available, release cur_frm and move on */ | |
332 | /* Copy frame display time */ | |
2d700715 | 333 | v4l2_get_timestamp(&common->cur_frm->vb.timestamp); |
e7332e3a | 334 | /* Change status of the cur_frm */ |
2d700715 JS |
335 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
336 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
337 | /* Make cur_frm pointing to next_frm */ |
338 | common->cur_frm = common->next_frm; | |
339 | ||
340 | } else if (1 == fid) { /* odd field */ | |
c4697d7f | 341 | spin_lock(&common->irqlock); |
e7332e3a C |
342 | if (list_empty(&common->dma_queue) |
343 | || (common->cur_frm != common->next_frm)) { | |
c4697d7f | 344 | spin_unlock(&common->irqlock); |
e7332e3a C |
345 | return; |
346 | } | |
c4697d7f | 347 | spin_unlock(&common->irqlock); |
e7332e3a C |
348 | /* one field is displayed configure the next |
349 | * frame if it is available else hold on current | |
350 | * frame */ | |
351 | /* Get next from the buffer queue */ | |
352 | process_progressive_mode(common); | |
e7332e3a C |
353 | } |
354 | } | |
355 | ||
356 | /* | |
357 | * vpif_channel_isr: It changes status of the displayed buffer, takes next | |
358 | * buffer from the queue and sets its address in VPIF registers | |
359 | */ | |
360 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
361 | { | |
362 | struct vpif_device *dev = &vpif_obj; | |
363 | struct channel_obj *ch; | |
364 | struct common_obj *common; | |
e7332e3a C |
365 | int fid = -1, i; |
366 | int channel_id = 0; | |
367 | ||
368 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
369 | if (!vpif_intr_status(channel_id + 2)) |
370 | return IRQ_NONE; | |
371 | ||
e7332e3a | 372 | ch = dev->dev[channel_id]; |
e7332e3a C |
373 | for (i = 0; i < VPIF_NUMOBJECTS; i++) { |
374 | common = &ch->common[i]; | |
375 | /* If streaming is started in this channel */ | |
e7332e3a C |
376 | |
377 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
c4697d7f HV |
378 | spin_lock(&common->irqlock); |
379 | if (list_empty(&common->dma_queue)) { | |
380 | spin_unlock(&common->irqlock); | |
e7332e3a | 381 | continue; |
c4697d7f HV |
382 | } |
383 | spin_unlock(&common->irqlock); | |
e7332e3a C |
384 | |
385 | /* Progressive mode */ | |
386 | if (!channel_first_int[i][channel_id]) { | |
387 | /* Mark status of the cur_frm to | |
388 | * done and unlock semaphore on it */ | |
2d700715 JS |
389 | v4l2_get_timestamp( |
390 | &common->cur_frm->vb.timestamp); | |
391 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, | |
392 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
393 | /* Make cur_frm pointing to next_frm */ |
394 | common->cur_frm = common->next_frm; | |
395 | } | |
396 | ||
397 | channel_first_int[i][channel_id] = 0; | |
398 | process_progressive_mode(common); | |
399 | } else { | |
400 | /* Interlaced mode */ | |
401 | /* If it is first interrupt, ignore it */ | |
402 | ||
403 | if (channel_first_int[i][channel_id]) { | |
404 | channel_first_int[i][channel_id] = 0; | |
405 | continue; | |
406 | } | |
407 | ||
408 | if (0 == i) { | |
409 | ch->field_id ^= 1; | |
410 | /* Get field id from VPIF registers */ | |
411 | fid = vpif_channel_getfid(ch->channel_id + 2); | |
412 | /* If fid does not match with stored field id */ | |
413 | if (fid != ch->field_id) { | |
414 | /* Make them in sync */ | |
415 | if (0 == fid) | |
416 | ch->field_id = fid; | |
417 | ||
418 | return IRQ_HANDLED; | |
419 | } | |
420 | } | |
421 | process_interlaced_mode(fid, common); | |
422 | } | |
423 | } | |
424 | ||
425 | return IRQ_HANDLED; | |
426 | } | |
427 | ||
c027e165 | 428 | static int vpif_update_std_info(struct channel_obj *ch) |
e7332e3a | 429 | { |
e7332e3a C |
430 | struct video_obj *vid_ch = &ch->video; |
431 | struct vpif_params *vpifparams = &ch->vpifparams; | |
432 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
433 | const struct vpif_channel_config_params *config; | |
434 | ||
c027e165 | 435 | int i; |
e7332e3a | 436 | |
c027e165 | 437 | for (i = 0; i < vpif_ch_params_count; i++) { |
ced9b21f | 438 | config = &vpif_ch_params[i]; |
40c8bcea MR |
439 | if (config->hd_sd == 0) { |
440 | vpif_dbg(2, debug, "SD format\n"); | |
441 | if (config->stdid & vid_ch->stdid) { | |
442 | memcpy(std_info, config, sizeof(*config)); | |
443 | break; | |
444 | } | |
e7332e3a C |
445 | } |
446 | } | |
447 | ||
c027e165 MR |
448 | if (i == vpif_ch_params_count) { |
449 | vpif_dbg(1, debug, "Format not found\n"); | |
aa444406 | 450 | return -EINVAL; |
c027e165 MR |
451 | } |
452 | ||
453 | return 0; | |
454 | } | |
455 | ||
456 | static int vpif_update_resolution(struct channel_obj *ch) | |
457 | { | |
458 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
459 | struct video_obj *vid_ch = &ch->video; | |
460 | struct vpif_params *vpifparams = &ch->vpifparams; | |
461 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
462 | ||
0598c17b | 463 | if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height) |
c027e165 MR |
464 | return -EINVAL; |
465 | ||
0598c17b | 466 | if (vid_ch->stdid) { |
c027e165 MR |
467 | if (vpif_update_std_info(ch)) |
468 | return -EINVAL; | |
469 | } | |
e7332e3a | 470 | |
9cba6534 | 471 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; |
e7332e3a C |
472 | common->fmt.fmt.pix.width = std_info->width; |
473 | common->fmt.fmt.pix.height = std_info->height; | |
474 | vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", | |
475 | common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); | |
476 | ||
477 | /* Set height and width paramateres */ | |
c027e165 MR |
478 | common->height = std_info->height; |
479 | common->width = std_info->width; | |
9cba6534 LP |
480 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
481 | ||
482 | if (vid_ch->stdid) | |
483 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
484 | else | |
485 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
486 | ||
487 | if (ch->vpifparams.std_info.frm_fmt) | |
488 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
489 | else | |
490 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
e7332e3a C |
491 | |
492 | return 0; | |
493 | } | |
494 | ||
495 | /* | |
496 | * vpif_calculate_offsets: This function calculates buffers offset for Y and C | |
497 | * in the top and bottom field | |
498 | */ | |
499 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
500 | { | |
501 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
502 | struct vpif_params *vpifparams = &ch->vpifparams; | |
503 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
504 | struct video_obj *vid_ch = &ch->video; | |
a4f20e2f | 505 | unsigned int hpitch, sizeimage; |
e7332e3a C |
506 | |
507 | if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { | |
508 | if (ch->vpifparams.std_info.frm_fmt) | |
509 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
510 | else | |
511 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
512 | } else { | |
513 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
514 | } | |
515 | ||
2401dd25 | 516 | sizeimage = common->fmt.fmt.pix.sizeimage; |
e7332e3a C |
517 | |
518 | hpitch = common->fmt.fmt.pix.bytesperline; | |
e7332e3a C |
519 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || |
520 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
521 | common->ytop_off = 0; | |
522 | common->ybtm_off = hpitch; | |
523 | common->ctop_off = sizeimage / 2; | |
524 | common->cbtm_off = sizeimage / 2 + hpitch; | |
525 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
526 | common->ytop_off = 0; | |
527 | common->ybtm_off = sizeimage / 4; | |
528 | common->ctop_off = sizeimage / 2; | |
529 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
530 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
531 | common->ybtm_off = 0; | |
532 | common->ytop_off = sizeimage / 4; | |
533 | common->cbtm_off = sizeimage / 2; | |
534 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
535 | } | |
536 | ||
537 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
538 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
539 | vpifparams->video_params.storage_mode = 1; | |
540 | } else { | |
541 | vpifparams->video_params.storage_mode = 0; | |
542 | } | |
543 | ||
544 | if (ch->vpifparams.std_info.frm_fmt == 1) { | |
545 | vpifparams->video_params.hpitch = | |
546 | common->fmt.fmt.pix.bytesperline; | |
547 | } else { | |
548 | if ((field == V4L2_FIELD_ANY) || | |
549 | (field == V4L2_FIELD_INTERLACED)) | |
550 | vpifparams->video_params.hpitch = | |
551 | common->fmt.fmt.pix.bytesperline * 2; | |
552 | else | |
553 | vpifparams->video_params.hpitch = | |
554 | common->fmt.fmt.pix.bytesperline; | |
555 | } | |
556 | ||
557 | ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; | |
558 | } | |
559 | ||
e7332e3a C |
560 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) |
561 | { | |
562 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
563 | ||
564 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id) { | |
565 | common->set_addr = ch3_set_videobuf_addr; | |
566 | } else { | |
567 | if (2 == muxmode) | |
568 | common->set_addr = ch2_set_videobuf_addr_yc_nmux; | |
569 | else | |
570 | common->set_addr = ch2_set_videobuf_addr; | |
571 | } | |
572 | } | |
573 | ||
e7332e3a | 574 | /* functions implementing ioctls */ |
2c0ddd17 MR |
575 | /** |
576 | * vpif_querycap() - QUERYCAP handler | |
577 | * @file: file ptr | |
578 | * @priv: file handle | |
579 | * @cap: ptr to v4l2_capability structure | |
580 | */ | |
e7332e3a C |
581 | static int vpif_querycap(struct file *file, void *priv, |
582 | struct v4l2_capability *cap) | |
583 | { | |
317b2e2f | 584 | struct vpif_display_config *config = vpif_dev->platform_data; |
e7332e3a | 585 | |
626d533f LP |
586 | cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; |
587 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
76c4c2be | 588 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
589 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
590 | dev_name(vpif_dev)); | |
e7332e3a C |
591 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
592 | ||
593 | return 0; | |
594 | } | |
595 | ||
596 | static int vpif_enum_fmt_vid_out(struct file *file, void *priv, | |
597 | struct v4l2_fmtdesc *fmt) | |
598 | { | |
9cba6534 | 599 | if (fmt->index != 0) |
e7332e3a | 600 | return -EINVAL; |
e7332e3a C |
601 | |
602 | /* Fill in the information about format */ | |
603 | fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
604 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
605 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
9cba6534 | 606 | fmt->flags = 0; |
e7332e3a C |
607 | return 0; |
608 | } | |
609 | ||
610 | static int vpif_g_fmt_vid_out(struct file *file, void *priv, | |
611 | struct v4l2_format *fmt) | |
612 | { | |
fcc22af2 LP |
613 | struct video_device *vdev = video_devdata(file); |
614 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a C |
615 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
616 | ||
617 | /* Check the validity of the buffer type */ | |
618 | if (common->fmt.type != fmt->type) | |
619 | return -EINVAL; | |
620 | ||
c027e165 | 621 | if (vpif_update_resolution(ch)) |
9bfaae24 HV |
622 | return -EINVAL; |
623 | *fmt = common->fmt; | |
624 | return 0; | |
e7332e3a C |
625 | } |
626 | ||
9cba6534 | 627 | static int vpif_try_fmt_vid_out(struct file *file, void *priv, |
e7332e3a C |
628 | struct v4l2_format *fmt) |
629 | { | |
fcc22af2 LP |
630 | struct video_device *vdev = video_devdata(file); |
631 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 632 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
9cba6534 | 633 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
e7332e3a | 634 | |
9cba6534 LP |
635 | /* |
636 | * to supress v4l-compliance warnings silently correct | |
637 | * the pixelformat | |
638 | */ | |
639 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
640 | pixfmt->pixelformat = common->fmt.fmt.pix.pixelformat; | |
e7332e3a | 641 | |
9cba6534 LP |
642 | if (vpif_update_resolution(ch)) |
643 | return -EINVAL; | |
644 | ||
645 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
646 | pixfmt->field = common->fmt.fmt.pix.field; | |
647 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
648 | pixfmt->width = common->fmt.fmt.pix.width; | |
649 | pixfmt->height = common->fmt.fmt.pix.height; | |
650 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
e7332e3a | 651 | |
e7332e3a C |
652 | return 0; |
653 | } | |
654 | ||
9cba6534 | 655 | static int vpif_s_fmt_vid_out(struct file *file, void *priv, |
e7332e3a C |
656 | struct v4l2_format *fmt) |
657 | { | |
fcc22af2 LP |
658 | struct video_device *vdev = video_devdata(file); |
659 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a C |
660 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
661 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; | |
9cba6534 | 662 | int ret; |
e7332e3a | 663 | |
9cba6534 LP |
664 | if (vb2_is_busy(&common->buffer_queue)) |
665 | return -EBUSY; | |
e7332e3a | 666 | |
9cba6534 LP |
667 | ret = vpif_try_fmt_vid_out(file, priv, fmt); |
668 | if (ret) | |
669 | return ret; | |
670 | ||
671 | /* store the pix format in the channel object */ | |
672 | common->fmt.fmt.pix = *pixfmt; | |
673 | ||
674 | /* store the format in the channel object */ | |
675 | common->fmt = *fmt; | |
676 | return 0; | |
e7332e3a C |
677 | } |
678 | ||
314527ac | 679 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
e7332e3a | 680 | { |
f27d0f45 | 681 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
682 | struct video_device *vdev = video_devdata(file); |
683 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 684 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
f27d0f45 LP |
685 | struct vpif_display_chan_config *chan_cfg; |
686 | struct v4l2_output output; | |
687 | int ret; | |
688 | ||
689 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
690 | return -ENODATA; | |
691 | ||
692 | chan_cfg = &config->chan_config[ch->channel_id]; | |
693 | output = chan_cfg->outputs[ch->output_idx].output; | |
694 | if (output.capabilities != V4L2_OUT_CAP_STD) | |
695 | return -ENODATA; | |
e7332e3a | 696 | |
2f5851b5 LP |
697 | if (vb2_is_busy(&common->buffer_queue)) |
698 | return -EBUSY; | |
699 | ||
f27d0f45 | 700 | |
314527ac | 701 | if (!(std_id & VPIF_V4L2_STD)) |
e7332e3a C |
702 | return -EINVAL; |
703 | ||
e7332e3a | 704 | /* Call encoder subdevice function to set the standard */ |
314527ac | 705 | ch->video.stdid = std_id; |
0598c17b | 706 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
e7332e3a | 707 | /* Get the information about the standard */ |
9bfaae24 HV |
708 | if (vpif_update_resolution(ch)) |
709 | return -EINVAL; | |
e7332e3a | 710 | |
e7332e3a | 711 | common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; |
e7332e3a C |
712 | |
713 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, | |
314527ac | 714 | s_std_output, std_id); |
e7332e3a C |
715 | if (ret < 0) { |
716 | vpif_err("Failed to set output standard\n"); | |
9bfaae24 | 717 | return ret; |
e7332e3a C |
718 | } |
719 | ||
8774bed9 | 720 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, |
314527ac | 721 | s_std, std_id); |
e7332e3a C |
722 | if (ret < 0) |
723 | vpif_err("Failed to set standard for sub devices\n"); | |
e7332e3a C |
724 | return ret; |
725 | } | |
726 | ||
727 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
728 | { | |
f27d0f45 | 729 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
730 | struct video_device *vdev = video_devdata(file); |
731 | struct channel_obj *ch = video_get_drvdata(vdev); | |
f27d0f45 LP |
732 | struct vpif_display_chan_config *chan_cfg; |
733 | struct v4l2_output output; | |
734 | ||
735 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
736 | return -ENODATA; | |
737 | ||
738 | chan_cfg = &config->chan_config[ch->channel_id]; | |
739 | output = chan_cfg->outputs[ch->output_idx].output; | |
740 | if (output.capabilities != V4L2_OUT_CAP_STD) | |
741 | return -ENODATA; | |
e7332e3a C |
742 | |
743 | *std = ch->video.stdid; | |
744 | return 0; | |
745 | } | |
746 | ||
e7332e3a C |
747 | static int vpif_enum_output(struct file *file, void *fh, |
748 | struct v4l2_output *output) | |
749 | { | |
750 | ||
317b2e2f | 751 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
752 | struct video_device *vdev = video_devdata(file); |
753 | struct channel_obj *ch = video_get_drvdata(vdev); | |
2bd4e58c | 754 | struct vpif_display_chan_config *chan_cfg; |
e7332e3a | 755 | |
2bd4e58c LP |
756 | chan_cfg = &config->chan_config[ch->channel_id]; |
757 | if (output->index >= chan_cfg->output_count) { | |
e7332e3a C |
758 | vpif_dbg(1, debug, "Invalid output index\n"); |
759 | return -EINVAL; | |
760 | } | |
761 | ||
2bd4e58c LP |
762 | *output = chan_cfg->outputs[output->index].output; |
763 | return 0; | |
764 | } | |
765 | ||
766 | /** | |
767 | * vpif_output_to_subdev() - Maps output to sub device | |
768 | * @vpif_cfg - global config ptr | |
769 | * @chan_cfg - channel config ptr | |
770 | * @index - Given output index from application | |
771 | * | |
772 | * lookup the sub device information for a given output index. | |
773 | * we report all the output to application. output table also | |
774 | * has sub device name for the each output | |
775 | */ | |
776 | static int | |
777 | vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, | |
778 | struct vpif_display_chan_config *chan_cfg, int index) | |
779 | { | |
780 | struct vpif_subdev_info *subdev_info; | |
781 | const char *subdev_name; | |
782 | int i; | |
783 | ||
784 | vpif_dbg(2, debug, "vpif_output_to_subdev\n"); | |
785 | ||
786 | if (chan_cfg->outputs == NULL) | |
787 | return -1; | |
788 | ||
789 | subdev_name = chan_cfg->outputs[index].subdev_name; | |
790 | if (subdev_name == NULL) | |
791 | return -1; | |
792 | ||
793 | /* loop through the sub device list to get the sub device info */ | |
794 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
795 | subdev_info = &vpif_cfg->subdevinfo[i]; | |
796 | if (!strcmp(subdev_info->name, subdev_name)) | |
797 | return i; | |
798 | } | |
799 | return -1; | |
800 | } | |
801 | ||
802 | /** | |
803 | * vpif_set_output() - Select an output | |
804 | * @vpif_cfg - global config ptr | |
805 | * @ch - channel | |
806 | * @index - Given output index from application | |
807 | * | |
808 | * Select the given output. | |
809 | */ | |
810 | static int vpif_set_output(struct vpif_display_config *vpif_cfg, | |
811 | struct channel_obj *ch, int index) | |
812 | { | |
813 | struct vpif_display_chan_config *chan_cfg = | |
814 | &vpif_cfg->chan_config[ch->channel_id]; | |
2bd4e58c LP |
815 | struct v4l2_subdev *sd = NULL; |
816 | u32 input = 0, output = 0; | |
817 | int sd_index; | |
818 | int ret; | |
819 | ||
820 | sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); | |
a4f20e2f | 821 | if (sd_index >= 0) |
2bd4e58c | 822 | sd = vpif_obj.sd[sd_index]; |
e7332e3a | 823 | |
2bd4e58c LP |
824 | if (sd) { |
825 | input = chan_cfg->outputs[index].input_route; | |
826 | output = chan_cfg->outputs[index].output_route; | |
827 | ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0); | |
828 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
829 | vpif_err("Failed to set output\n"); | |
830 | return ret; | |
831 | } | |
832 | ||
833 | } | |
834 | ch->output_idx = index; | |
835 | ch->sd = sd; | |
836 | if (chan_cfg->outputs != NULL) | |
837 | /* update tvnorms from the sub device output info */ | |
e933c6bc | 838 | ch->video_dev.tvnorms = chan_cfg->outputs[index].output.std; |
e7332e3a C |
839 | return 0; |
840 | } | |
841 | ||
842 | static int vpif_s_output(struct file *file, void *priv, unsigned int i) | |
843 | { | |
2bd4e58c | 844 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
845 | struct video_device *vdev = video_devdata(file); |
846 | struct channel_obj *ch = video_get_drvdata(vdev); | |
2bd4e58c | 847 | struct vpif_display_chan_config *chan_cfg; |
e7332e3a | 848 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
2bd4e58c | 849 | |
2f5851b5 LP |
850 | if (vb2_is_busy(&common->buffer_queue)) |
851 | return -EBUSY; | |
852 | ||
2bd4e58c LP |
853 | chan_cfg = &config->chan_config[ch->channel_id]; |
854 | ||
855 | if (i >= chan_cfg->output_count) | |
856 | return -EINVAL; | |
e7332e3a | 857 | |
2bd4e58c | 858 | return vpif_set_output(config, ch, i); |
e7332e3a C |
859 | } |
860 | ||
861 | static int vpif_g_output(struct file *file, void *priv, unsigned int *i) | |
862 | { | |
fcc22af2 LP |
863 | struct video_device *vdev = video_devdata(file); |
864 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 865 | |
311673ee | 866 | *i = ch->output_idx; |
e7332e3a C |
867 | |
868 | return 0; | |
869 | } | |
870 | ||
40c8bcea | 871 | /** |
0598c17b | 872 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
873 | * @file: file ptr |
874 | * @priv: file handle | |
0598c17b | 875 | * @timings: input timings |
40c8bcea | 876 | */ |
0598c17b HV |
877 | static int |
878 | vpif_enum_dv_timings(struct file *file, void *priv, | |
879 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 880 | { |
1093c590 | 881 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
882 | struct video_device *vdev = video_devdata(file); |
883 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 LP |
884 | struct vpif_display_chan_config *chan_cfg; |
885 | struct v4l2_output output; | |
2bd4e58c | 886 | int ret; |
40c8bcea | 887 | |
1093c590 LP |
888 | if (config->chan_config[ch->channel_id].outputs == NULL) |
889 | return -ENODATA; | |
890 | ||
891 | chan_cfg = &config->chan_config[ch->channel_id]; | |
892 | output = chan_cfg->outputs[ch->output_idx].output; | |
893 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
894 | return -ENODATA; | |
895 | ||
10d2146d LP |
896 | timings->pad = 0; |
897 | ||
898 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
63af4af5 | 899 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
2bd4e58c LP |
900 | return -EINVAL; |
901 | return ret; | |
40c8bcea MR |
902 | } |
903 | ||
c027e165 MR |
904 | /** |
905 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
906 | * @file: file ptr | |
907 | * @priv: file handle | |
908 | * @timings: digital video timings | |
909 | */ | |
910 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
911 | struct v4l2_dv_timings *timings) | |
912 | { | |
1093c590 | 913 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
914 | struct video_device *vdev = video_devdata(file); |
915 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 916 | struct vpif_params *vpifparams = &ch->vpifparams; |
1093c590 | 917 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 MR |
918 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
919 | struct video_obj *vid_ch = &ch->video; | |
0598c17b | 920 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1093c590 LP |
921 | struct vpif_display_chan_config *chan_cfg; |
922 | struct v4l2_output output; | |
c027e165 MR |
923 | int ret; |
924 | ||
1093c590 LP |
925 | if (config->chan_config[ch->channel_id].outputs == NULL) |
926 | return -ENODATA; | |
927 | ||
928 | chan_cfg = &config->chan_config[ch->channel_id]; | |
929 | output = chan_cfg->outputs[ch->output_idx].output; | |
930 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
931 | return -ENODATA; | |
932 | ||
933 | if (vb2_is_busy(&common->buffer_queue)) | |
934 | return -EBUSY; | |
935 | ||
c027e165 MR |
936 | if (timings->type != V4L2_DV_BT_656_1120) { |
937 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
938 | return -EINVAL; | |
939 | } | |
940 | ||
941 | /* Configure subdevice timings, if any */ | |
882084ad | 942 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
2bd4e58c LP |
943 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
944 | ret = 0; | |
945 | if (ret < 0) { | |
c027e165 MR |
946 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); |
947 | return ret; | |
948 | } | |
949 | ||
950 | if (!(timings->bt.width && timings->bt.height && | |
951 | (timings->bt.hbackporch || | |
952 | timings->bt.hfrontporch || | |
953 | timings->bt.hsync) && | |
954 | timings->bt.vfrontporch && | |
955 | (timings->bt.vbackporch || | |
956 | timings->bt.vsync))) { | |
957 | vpif_dbg(2, debug, "Timings for width, height, " | |
958 | "horizontal back porch, horizontal sync, " | |
959 | "horizontal front porch, vertical back porch, " | |
960 | "vertical sync and vertical back porch " | |
961 | "must be defined\n"); | |
962 | return -EINVAL; | |
963 | } | |
964 | ||
0598c17b | 965 | vid_ch->dv_timings = *timings; |
c027e165 MR |
966 | |
967 | /* Configure video port timings */ | |
968 | ||
e3655268 | 969 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
970 | std_info->sav2eav = bt->width; |
971 | ||
972 | std_info->l1 = 1; | |
973 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
974 | ||
e3655268 | 975 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
976 | if (bt->interlaced) { |
977 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
978 | std_info->l5 = std_info->vsize/2 - |
979 | (bt->vfrontporch - 1); | |
980 | std_info->l7 = std_info->vsize/2 + 1; | |
981 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
982 | bt->il_vbackporch + 1; | |
983 | std_info->l11 = std_info->vsize - | |
984 | (bt->il_vfrontporch - 1); | |
985 | } else { | |
986 | vpif_dbg(2, debug, "Required timing values for " | |
987 | "interlaced BT format missing\n"); | |
988 | return -EINVAL; | |
989 | } | |
990 | } else { | |
c027e165 MR |
991 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
992 | } | |
993 | strncpy(std_info->name, "Custom timings BT656/1120", | |
994 | VPIF_MAX_NAME); | |
995 | std_info->width = bt->width; | |
996 | std_info->height = bt->height; | |
997 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
998 | std_info->ycmux_mode = 0; | |
999 | std_info->capture_format = 0; | |
1000 | std_info->vbi_supported = 0; | |
1001 | std_info->hd_sd = 1; | |
1002 | std_info->stdid = 0; | |
c027e165 | 1003 | vid_ch->stdid = 0; |
c027e165 MR |
1004 | |
1005 | return 0; | |
1006 | } | |
1007 | ||
1008 | /** | |
1009 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1010 | * @file: file ptr | |
1011 | * @priv: file handle | |
1012 | * @timings: digital video timings | |
1013 | */ | |
1014 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1015 | struct v4l2_dv_timings *timings) | |
1016 | { | |
1093c590 | 1017 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
1018 | struct video_device *vdev = video_devdata(file); |
1019 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 | 1020 | struct vpif_display_chan_config *chan_cfg; |
c027e165 | 1021 | struct video_obj *vid_ch = &ch->video; |
1093c590 LP |
1022 | struct v4l2_output output; |
1023 | ||
1024 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
1025 | goto error; | |
1026 | ||
1027 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1028 | output = chan_cfg->outputs[ch->output_idx].output; | |
1029 | ||
1030 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
1031 | goto error; | |
c027e165 | 1032 | |
0598c17b | 1033 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1034 | |
1035 | return 0; | |
1093c590 LP |
1036 | error: |
1037 | return -ENODATA; | |
c027e165 | 1038 | } |
7036d6a7 | 1039 | |
7036d6a7 MR |
1040 | /* |
1041 | * vpif_log_status() - Status information | |
1042 | * @file: file ptr | |
1043 | * @priv: file handle | |
1044 | * | |
1045 | * Returns zero. | |
1046 | */ | |
1047 | static int vpif_log_status(struct file *filep, void *priv) | |
1048 | { | |
1049 | /* status for sub devices */ | |
1050 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1051 | ||
1052 | return 0; | |
1053 | } | |
1054 | ||
e7332e3a C |
1055 | /* vpif display ioctl operations */ |
1056 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
dcce8669 | 1057 | .vidioc_querycap = vpif_querycap, |
e7332e3a | 1058 | .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, |
dcce8669 LP |
1059 | .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, |
1060 | .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, | |
1061 | .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, | |
b92cde17 LP |
1062 | |
1063 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1064 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1065 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1066 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1067 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1068 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1069 | .vidioc_streamon = vb2_ioctl_streamon, | |
1070 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1071 | ||
dcce8669 | 1072 | .vidioc_s_std = vpif_s_std, |
e7332e3a | 1073 | .vidioc_g_std = vpif_g_std, |
dcce8669 | 1074 | |
e7332e3a C |
1075 | .vidioc_enum_output = vpif_enum_output, |
1076 | .vidioc_s_output = vpif_s_output, | |
1077 | .vidioc_g_output = vpif_g_output, | |
dcce8669 LP |
1078 | |
1079 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, | |
1080 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1081 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1082 | ||
7036d6a7 | 1083 | .vidioc_log_status = vpif_log_status, |
e7332e3a C |
1084 | }; |
1085 | ||
1086 | static const struct v4l2_file_operations vpif_fops = { | |
1087 | .owner = THIS_MODULE, | |
fcc22af2 LP |
1088 | .open = v4l2_fh_open, |
1089 | .release = vb2_fop_release, | |
9bfaae24 | 1090 | .unlocked_ioctl = video_ioctl2, |
4be2153c LP |
1091 | .mmap = vb2_fop_mmap, |
1092 | .poll = vb2_fop_poll | |
e7332e3a C |
1093 | }; |
1094 | ||
e7332e3a C |
1095 | /*Configure the channels, buffer sizei, request irq */ |
1096 | static int initialize_vpif(void) | |
1097 | { | |
1098 | int free_channel_objects_index; | |
d5b94b99 | 1099 | int err, i, j; |
e7332e3a C |
1100 | |
1101 | /* Allocate memory for six channel objects */ | |
1102 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1103 | vpif_obj.dev[i] = | |
1f8766b4 | 1104 | kzalloc(sizeof(struct channel_obj), GFP_KERNEL); |
e7332e3a C |
1105 | /* If memory allocation fails, return error */ |
1106 | if (!vpif_obj.dev[i]) { | |
1107 | free_channel_objects_index = i; | |
1108 | err = -ENOMEM; | |
1109 | goto vpif_init_free_channel_objects; | |
1110 | } | |
1111 | } | |
1112 | ||
e7332e3a C |
1113 | return 0; |
1114 | ||
1115 | vpif_init_free_channel_objects: | |
1116 | for (j = 0; j < free_channel_objects_index; j++) | |
1117 | kfree(vpif_obj.dev[j]); | |
1118 | return err; | |
1119 | } | |
1120 | ||
4b8a531e LP |
1121 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1122 | struct v4l2_subdev *subdev, | |
1123 | struct v4l2_async_subdev *asd) | |
1124 | { | |
1125 | int i; | |
1126 | ||
1127 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1128 | if (!strcmp(vpif_obj.config->subdevinfo[i].name, | |
1129 | subdev->name)) { | |
1130 | vpif_obj.sd[i] = subdev; | |
1131 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1132 | return 0; | |
1133 | } | |
1134 | ||
1135 | return -EINVAL; | |
1136 | } | |
1137 | ||
1138 | static int vpif_probe_complete(void) | |
1139 | { | |
1140 | struct common_obj *common; | |
4be2153c | 1141 | struct video_device *vdev; |
4b8a531e | 1142 | struct channel_obj *ch; |
a2b235cb | 1143 | struct vb2_queue *q; |
4b8a531e LP |
1144 | int j, err, k; |
1145 | ||
1146 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { | |
1147 | ch = vpif_obj.dev[j]; | |
1148 | /* Initialize field of the channel objects */ | |
4b8a531e | 1149 | for (k = 0; k < VPIF_NUMOBJECTS; k++) { |
4b8a531e | 1150 | common = &ch->common[k]; |
4b8a531e LP |
1151 | spin_lock_init(&common->irqlock); |
1152 | mutex_init(&common->lock); | |
4b8a531e LP |
1153 | common->set_addr = NULL; |
1154 | common->ytop_off = 0; | |
1155 | common->ybtm_off = 0; | |
1156 | common->ctop_off = 0; | |
1157 | common->cbtm_off = 0; | |
1158 | common->cur_frm = NULL; | |
1159 | common->next_frm = NULL; | |
1160 | memset(&common->fmt, 0, sizeof(common->fmt)); | |
4b8a531e LP |
1161 | } |
1162 | ch->initialized = 0; | |
1163 | if (vpif_obj.config->subdev_count) | |
1164 | ch->sd = vpif_obj.sd[0]; | |
1165 | ch->channel_id = j; | |
4b8a531e LP |
1166 | |
1167 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
1168 | ||
4b8a531e LP |
1169 | ch->common[VPIF_VIDEO_INDEX].fmt.type = |
1170 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
4b8a531e LP |
1171 | |
1172 | /* select output 0 */ | |
1173 | err = vpif_set_output(vpif_obj.config, ch, 0); | |
1174 | if (err) | |
1175 | goto probe_out; | |
1176 | ||
9cba6534 LP |
1177 | /* set initial format */ |
1178 | ch->video.stdid = V4L2_STD_525_60; | |
1179 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1180 | vpif_update_resolution(ch); | |
1181 | ||
a2b235cb LP |
1182 | /* Initialize vb2 queue */ |
1183 | q = &common->buffer_queue; | |
1184 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
1185 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1186 | q->drv_priv = ch; | |
1187 | q->ops = &video_qops; | |
1188 | q->mem_ops = &vb2_dma_contig_memops; | |
1189 | q->buf_struct_size = sizeof(struct vpif_disp_buffer); | |
1190 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1191 | q->min_buffers_needed = 1; | |
d10ed5c1 | 1192 | q->lock = &common->lock; |
a2b235cb LP |
1193 | err = vb2_queue_init(q); |
1194 | if (err) { | |
1195 | vpif_err("vpif_display: vb2_queue_init() failed\n"); | |
1196 | goto probe_out; | |
1197 | } | |
1198 | ||
1199 | common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); | |
1200 | if (IS_ERR(common->alloc_ctx)) { | |
1201 | vpif_err("Failed to get the context\n"); | |
1202 | err = PTR_ERR(common->alloc_ctx); | |
1203 | goto probe_out; | |
1204 | } | |
1205 | ||
1206 | INIT_LIST_HEAD(&common->dma_queue); | |
1207 | ||
4b8a531e | 1208 | /* register video device */ |
212bdba3 MCC |
1209 | vpif_dbg(1, debug, "channel=%p,channel->video_dev=%p\n", |
1210 | ch, &ch->video_dev); | |
4b8a531e | 1211 | |
76c4c2be | 1212 | /* Initialize the video_device structure */ |
e933c6bc | 1213 | vdev = &ch->video_dev; |
76c4c2be | 1214 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
e933c6bc | 1215 | vdev->release = video_device_release_empty; |
76c4c2be LP |
1216 | vdev->fops = &vpif_fops; |
1217 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1218 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1219 | vdev->vfl_dir = VFL_DIR_TX; | |
4be2153c | 1220 | vdev->queue = q; |
fcc22af2 | 1221 | vdev->lock = &common->lock; |
e933c6bc | 1222 | video_set_drvdata(&ch->video_dev, ch); |
4be2153c LP |
1223 | err = video_register_device(vdev, VFL_TYPE_GRABBER, |
1224 | (j ? 3 : 2)); | |
4b8a531e LP |
1225 | if (err < 0) |
1226 | goto probe_out; | |
1227 | } | |
1228 | ||
1229 | return 0; | |
1230 | ||
1231 | probe_out: | |
1232 | for (k = 0; k < j; k++) { | |
1233 | ch = vpif_obj.dev[k]; | |
a2b235cb LP |
1234 | common = &ch->common[k]; |
1235 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
e933c6bc | 1236 | video_unregister_device(&ch->video_dev); |
4b8a531e LP |
1237 | } |
1238 | return err; | |
1239 | } | |
1240 | ||
1241 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1242 | { | |
1243 | return vpif_probe_complete(); | |
1244 | } | |
1245 | ||
e7332e3a C |
1246 | /* |
1247 | * vpif_probe: This function creates device entries by register itself to the | |
1248 | * V4L2 driver and initializes fields of each channel objects | |
1249 | */ | |
1250 | static __init int vpif_probe(struct platform_device *pdev) | |
1251 | { | |
317b2e2f | 1252 | struct vpif_subdev_info *subdevdata; |
e7332e3a | 1253 | struct i2c_adapter *i2c_adap; |
e7332e3a C |
1254 | struct resource *res; |
1255 | int subdev_count; | |
e933c6bc LP |
1256 | int res_idx = 0; |
1257 | int i, err; | |
e7332e3a C |
1258 | |
1259 | vpif_dev = &pdev->dev; | |
317b2e2f | 1260 | err = initialize_vpif(); |
e7332e3a | 1261 | |
317b2e2f MK |
1262 | if (err) { |
1263 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1264 | return err; | |
e7332e3a C |
1265 | } |
1266 | ||
e7332e3a C |
1267 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1268 | if (err) { | |
1269 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1270 | return err; | |
1271 | } | |
1272 | ||
01b1d975 | 1273 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
379d2cf4 | 1274 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
76c4c2be | 1275 | IRQF_SHARED, VPIF_DRIVER_NAME, |
379d2cf4 LP |
1276 | (void *)(&vpif_obj.dev[res_idx]-> |
1277 | channel_id)); | |
1278 | if (err) { | |
1279 | err = -EINVAL; | |
1280 | vpif_err("VPIF IRQ request failed\n"); | |
1281 | goto vpif_unregister; | |
e7332e3a | 1282 | } |
01b1d975 | 1283 | res_idx++; |
e7332e3a C |
1284 | } |
1285 | ||
4b8a531e LP |
1286 | vpif_obj.config = pdev->dev.platform_data; |
1287 | subdev_count = vpif_obj.config->subdev_count; | |
1288 | subdevdata = vpif_obj.config->subdevinfo; | |
e6067f8b HV |
1289 | vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, |
1290 | GFP_KERNEL); | |
1291 | if (vpif_obj.sd == NULL) { | |
1292 | vpif_err("unable to allocate memory for subdevice pointers\n"); | |
1293 | err = -ENOMEM; | |
e933c6bc | 1294 | goto vpif_unregister; |
e6067f8b HV |
1295 | } |
1296 | ||
4b8a531e LP |
1297 | if (!vpif_obj.config->asd_sizes) { |
1298 | i2c_adap = i2c_get_adapter(1); | |
1299 | for (i = 0; i < subdev_count; i++) { | |
1300 | vpif_obj.sd[i] = | |
1301 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1302 | i2c_adap, | |
1303 | &subdevdata[i]. | |
1304 | board_info, | |
1305 | NULL); | |
1306 | if (!vpif_obj.sd[i]) { | |
1307 | vpif_err("Error registering v4l2 subdevice\n"); | |
9d3e976b | 1308 | err = -ENODEV; |
4b8a531e LP |
1309 | goto probe_subdev_out; |
1310 | } | |
e7332e3a | 1311 | |
4b8a531e LP |
1312 | if (vpif_obj.sd[i]) |
1313 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1314 | } | |
1315 | vpif_probe_complete(); | |
1316 | } else { | |
e8419d08 | 1317 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
4b8a531e LP |
1318 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
1319 | vpif_obj.notifier.bound = vpif_async_bound; | |
1320 | vpif_obj.notifier.complete = vpif_async_complete; | |
1321 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, | |
1322 | &vpif_obj.notifier); | |
1323 | if (err) { | |
1324 | vpif_err("Error registering async notifier\n"); | |
1325 | err = -EINVAL; | |
1326 | goto probe_subdev_out; | |
e7332e3a | 1327 | } |
e7332e3a C |
1328 | } |
1329 | ||
1330 | return 0; | |
1331 | ||
e6067f8b HV |
1332 | probe_subdev_out: |
1333 | kfree(vpif_obj.sd); | |
9c63e01e | 1334 | vpif_unregister: |
e7332e3a | 1335 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
e7332e3a C |
1336 | |
1337 | return err; | |
1338 | } | |
1339 | ||
1340 | /* | |
1341 | * vpif_remove: It un-register channels from V4L2 driver | |
1342 | */ | |
1343 | static int vpif_remove(struct platform_device *device) | |
1344 | { | |
a2b235cb | 1345 | struct common_obj *common; |
e7332e3a | 1346 | struct channel_obj *ch; |
9c63e01e | 1347 | int i; |
e7332e3a C |
1348 | |
1349 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1350 | ||
0b361583 | 1351 | kfree(vpif_obj.sd); |
e7332e3a C |
1352 | /* un-register device */ |
1353 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1354 | /* Get the pointer to the channel object */ | |
1355 | ch = vpif_obj.dev[i]; | |
e9b5872c | 1356 | common = &ch->common[VPIF_VIDEO_INDEX]; |
a2b235cb | 1357 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); |
e7332e3a | 1358 | /* Unregister video device */ |
e933c6bc | 1359 | video_unregister_device(&ch->video_dev); |
0b361583 | 1360 | kfree(vpif_obj.dev[i]); |
e7332e3a C |
1361 | } |
1362 | ||
1363 | return 0; | |
1364 | } | |
1365 | ||
ba1902e3 | 1366 | #ifdef CONFIG_PM_SLEEP |
e9530dac MH |
1367 | static int vpif_suspend(struct device *dev) |
1368 | { | |
1369 | struct common_obj *common; | |
1370 | struct channel_obj *ch; | |
1371 | int i; | |
1372 | ||
1373 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1374 | /* Get the pointer to the channel object */ | |
1375 | ch = vpif_obj.dev[i]; | |
1376 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 | 1377 | |
81578924 | 1378 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
ba1902e3 LP |
1379 | continue; |
1380 | ||
e9530dac | 1381 | mutex_lock(&common->lock); |
ba1902e3 LP |
1382 | /* Disable channel */ |
1383 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1384 | enable_channel2(0); | |
1385 | channel2_intr_enable(0); | |
1386 | } | |
1387 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1388 | ycmux_mode == 2) { | |
1389 | enable_channel3(0); | |
1390 | channel3_intr_enable(0); | |
e9530dac MH |
1391 | } |
1392 | mutex_unlock(&common->lock); | |
1393 | } | |
1394 | ||
1395 | return 0; | |
1396 | } | |
1397 | ||
1398 | static int vpif_resume(struct device *dev) | |
1399 | { | |
1400 | ||
1401 | struct common_obj *common; | |
1402 | struct channel_obj *ch; | |
1403 | int i; | |
1404 | ||
1405 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1406 | /* Get the pointer to the channel object */ | |
1407 | ch = vpif_obj.dev[i]; | |
1408 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 | 1409 | |
81578924 | 1410 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
ba1902e3 LP |
1411 | continue; |
1412 | ||
e9530dac | 1413 | mutex_lock(&common->lock); |
ba1902e3 LP |
1414 | /* Enable channel */ |
1415 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1416 | enable_channel2(1); | |
1417 | channel2_intr_enable(1); | |
1418 | } | |
1419 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1420 | ycmux_mode == 2) { | |
1421 | enable_channel3(1); | |
1422 | channel3_intr_enable(1); | |
e9530dac MH |
1423 | } |
1424 | mutex_unlock(&common->lock); | |
1425 | } | |
1426 | ||
1427 | return 0; | |
1428 | } | |
1429 | ||
e9530dac MH |
1430 | #endif |
1431 | ||
ba1902e3 LP |
1432 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1433 | ||
ffa1b391 | 1434 | static __refdata struct platform_driver vpif_driver = { |
e7332e3a | 1435 | .driver = { |
76c4c2be | 1436 | .name = VPIF_DRIVER_NAME, |
ba1902e3 | 1437 | .pm = &vpif_pm_ops, |
e7332e3a C |
1438 | }, |
1439 | .probe = vpif_probe, | |
1440 | .remove = vpif_remove, | |
1441 | }; | |
1442 | ||
b8d067b6 | 1443 | module_platform_driver(vpif_driver); |