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Commit | Line | Data |
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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" |
bff782d7 | 45 | MODULE_ALIAS("platform:" VPIF_DRIVER_NAME); |
2f5851b5 LP |
46 | |
47 | /* Is set to 1 in case of SDTV formats, 2 in case of HDTV formats. */ | |
48 | static int ycmux_mode; | |
49 | ||
58334b00 LP |
50 | static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; |
51 | ||
e7332e3a C |
52 | static struct vpif_device vpif_obj = { {NULL} }; |
53 | static struct device *vpif_dev; | |
2401dd25 LP |
54 | static void vpif_calculate_offsets(struct channel_obj *ch); |
55 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
e7332e3a | 56 | |
2d700715 JS |
57 | static inline |
58 | struct vpif_disp_buffer *to_vpif_buffer(struct vb2_v4l2_buffer *vb) | |
58334b00 LP |
59 | { |
60 | return container_of(vb, struct vpif_disp_buffer, vb); | |
61 | } | |
62 | ||
27cdf9ba LP |
63 | /** |
64 | * vpif_buffer_prepare : callback function for buffer prepare | |
65 | * @vb: ptr to vb2_buffer | |
66 | * | |
67 | * This is the callback function for buffer prepare when vb2_qbuf() | |
68 | * function is called. The buffer is prepared and user space virtual address | |
69 | * or user address is converted into physical address | |
e7332e3a | 70 | */ |
2401dd25 | 71 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
e7332e3a | 72 | { |
2d700715 | 73 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
27cdf9ba | 74 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 75 | struct common_obj *common; |
e7332e3a | 76 | |
a2b235cb | 77 | common = &ch->common[VPIF_VIDEO_INDEX]; |
27cdf9ba LP |
78 | |
79 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); | |
80 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
81 | return -EINVAL; | |
82 | ||
2d700715 | 83 | vbuf->field = common->fmt.fmt.pix.field; |
27cdf9ba LP |
84 | |
85 | if (vb->vb2_queue->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { | |
86 | unsigned long addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
87 | ||
88 | if (!ISALIGNED(addr + common->ytop_off) || | |
2401dd25 LP |
89 | !ISALIGNED(addr + common->ybtm_off) || |
90 | !ISALIGNED(addr + common->ctop_off) || | |
27cdf9ba LP |
91 | !ISALIGNED(addr + common->cbtm_off)) { |
92 | vpif_err("buffer offset not aligned to 8 bytes\n"); | |
93 | return -EINVAL; | |
2401dd25 | 94 | } |
e7332e3a | 95 | } |
e7332e3a | 96 | |
27cdf9ba | 97 | return 0; |
e7332e3a C |
98 | } |
99 | ||
172392a1 LP |
100 | /** |
101 | * vpif_buffer_queue_setup : Callback function for buffer setup. | |
102 | * @vq: vb2_queue ptr | |
172392a1 LP |
103 | * @nbuffers: ptr to number of buffers requested by application |
104 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
389a455d | 105 | * @sizes: contains the size (in bytes) of each plane. |
36c0f8b3 | 106 | * @alloc_devs: ptr to allocation context |
172392a1 LP |
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, |
2401dd25 | 112 | unsigned int *nbuffers, unsigned int *nplanes, |
36c0f8b3 | 113 | unsigned int sizes[], struct device *alloc_devs[]) |
e7332e3a | 114 | { |
a2b235cb | 115 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
e7332e3a | 116 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
df9ecb0c | 117 | unsigned size = common->fmt.fmt.pix.sizeimage; |
fc613d44 | 118 | |
df9ecb0c HV |
119 | if (*nplanes) { |
120 | if (sizes[0] < size) | |
121 | return -EINVAL; | |
122 | size = sizes[0]; | |
123 | } | |
172392a1 LP |
124 | |
125 | if (vq->num_buffers + *nbuffers < 3) | |
126 | *nbuffers = 3 - vq->num_buffers; | |
e7332e3a | 127 | |
2401dd25 | 128 | *nplanes = 1; |
df9ecb0c | 129 | sizes[0] = size; |
172392a1 LP |
130 | |
131 | /* Calculate the offset for Y and C data in the buffer */ | |
132 | vpif_calculate_offsets(ch); | |
133 | ||
e7332e3a C |
134 | return 0; |
135 | } | |
136 | ||
58334b00 LP |
137 | /** |
138 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
139 | * @vb: ptr to vb2_buffer | |
140 | * | |
141 | * This callback fucntion queues the buffer to DMA engine | |
e7332e3a | 142 | */ |
2401dd25 | 143 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
e7332e3a | 144 | { |
2d700715 JS |
145 | struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb); |
146 | struct vpif_disp_buffer *buf = to_vpif_buffer(vbuf); | |
a2b235cb | 147 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 148 | struct common_obj *common; |
c4697d7f | 149 | unsigned long flags; |
e7332e3a | 150 | |
2401dd25 | 151 | common = &ch->common[VPIF_VIDEO_INDEX]; |
e7332e3a C |
152 | |
153 | /* add the buffer to the DMA queue */ | |
c4697d7f | 154 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 155 | list_add_tail(&buf->list, &common->dma_queue); |
c4697d7f | 156 | spin_unlock_irqrestore(&common->irqlock, flags); |
e7332e3a C |
157 | } |
158 | ||
58334b00 LP |
159 | /** |
160 | * vpif_start_streaming : Starts the DMA engine for streaming | |
389a455d | 161 | * @vq: ptr to vb2_buffer |
58334b00 LP |
162 | * @count: number of buffers |
163 | */ | |
2401dd25 LP |
164 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
165 | { | |
166 | struct vpif_display_config *vpif_config_data = | |
167 | vpif_dev->platform_data; | |
a2b235cb | 168 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 LP |
169 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
170 | struct vpif_params *vpif = &ch->vpifparams; | |
54a445a4 LP |
171 | struct vpif_disp_buffer *buf, *tmp; |
172 | unsigned long addr, flags; | |
2401dd25 LP |
173 | int ret; |
174 | ||
c4697d7f | 175 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 176 | |
2f5851b5 | 177 | /* Initialize field_id */ |
2401dd25 | 178 | ch->field_id = 0; |
54a445a4 | 179 | |
2401dd25 | 180 | /* clock settings */ |
f4ad8d74 LP |
181 | if (vpif_config_data->set_clock) { |
182 | ret = vpif_config_data->set_clock(ch->vpifparams.std_info. | |
183 | ycmux_mode, ch->vpifparams.std_info.hd_sd); | |
184 | if (ret < 0) { | |
185 | vpif_err("can't set clock\n"); | |
54a445a4 | 186 | goto err; |
f4ad8d74 | 187 | } |
2401dd25 LP |
188 | } |
189 | ||
190 | /* set the parameters and addresses */ | |
191 | ret = vpif_set_video_params(vpif, ch->channel_id + 2); | |
192 | if (ret < 0) | |
54a445a4 | 193 | goto err; |
2401dd25 | 194 | |
2f5851b5 | 195 | ycmux_mode = ret; |
2401dd25 | 196 | vpif_config_addr(ch, ret); |
54a445a4 LP |
197 | /* Get the next frame from the buffer queue */ |
198 | common->next_frm = common->cur_frm = | |
199 | list_entry(common->dma_queue.next, | |
200 | struct vpif_disp_buffer, list); | |
201 | ||
202 | list_del(&common->cur_frm->list); | |
203 | spin_unlock_irqrestore(&common->irqlock, flags); | |
54a445a4 | 204 | |
2d700715 | 205 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb.vb2_buf, 0); |
2401dd25 LP |
206 | common->set_addr((addr + common->ytop_off), |
207 | (addr + common->ybtm_off), | |
208 | (addr + common->ctop_off), | |
209 | (addr + common->cbtm_off)); | |
210 | ||
58334b00 LP |
211 | /* |
212 | * Set interrupt for both the fields in VPIF | |
213 | * Register enable channel in VPIF register | |
214 | */ | |
9e18404a | 215 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
2401dd25 LP |
216 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { |
217 | channel2_intr_assert(); | |
218 | channel2_intr_enable(1); | |
219 | enable_channel2(1); | |
2bd4e58c | 220 | if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) |
6964b103 | 221 | channel2_clipping_enable(1); |
2401dd25 LP |
222 | } |
223 | ||
2f5851b5 | 224 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
2401dd25 LP |
225 | channel3_intr_assert(); |
226 | channel3_intr_enable(1); | |
227 | enable_channel3(1); | |
2bd4e58c | 228 | if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) |
6964b103 | 229 | channel3_clipping_enable(1); |
2401dd25 | 230 | } |
2401dd25 LP |
231 | |
232 | return 0; | |
54a445a4 LP |
233 | |
234 | err: | |
235 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
236 | list_del(&buf->list); | |
2d700715 | 237 | vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED); |
54a445a4 | 238 | } |
92491968 | 239 | spin_unlock_irqrestore(&common->irqlock, flags); |
54a445a4 LP |
240 | |
241 | return ret; | |
2401dd25 LP |
242 | } |
243 | ||
58334b00 LP |
244 | /** |
245 | * vpif_stop_streaming : Stop the DMA engine | |
246 | * @vq: ptr to vb2_queue | |
247 | * | |
248 | * This callback stops the DMA engine and any remaining buffers | |
249 | * in the DMA queue are released. | |
250 | */ | |
e37559b2 | 251 | static void vpif_stop_streaming(struct vb2_queue *vq) |
2401dd25 | 252 | { |
a2b235cb | 253 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 | 254 | struct common_obj *common; |
c4697d7f | 255 | unsigned long flags; |
2401dd25 | 256 | |
2401dd25 LP |
257 | common = &ch->common[VPIF_VIDEO_INDEX]; |
258 | ||
18c7adcf LP |
259 | /* Disable channel */ |
260 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
261 | enable_channel2(0); | |
262 | channel2_intr_enable(0); | |
263 | } | |
2f5851b5 | 264 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
18c7adcf LP |
265 | enable_channel3(0); |
266 | channel3_intr_enable(0); | |
267 | } | |
18c7adcf | 268 | |
2401dd25 | 269 | /* release all active buffers */ |
c4697d7f | 270 | spin_lock_irqsave(&common->irqlock, flags); |
18c7adcf | 271 | if (common->cur_frm == common->next_frm) { |
2d700715 JS |
272 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
273 | VB2_BUF_STATE_ERROR); | |
18c7adcf | 274 | } else { |
396c88e6 | 275 | if (common->cur_frm) |
2d700715 | 276 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
18c7adcf | 277 | VB2_BUF_STATE_ERROR); |
396c88e6 | 278 | if (common->next_frm) |
2d700715 | 279 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
18c7adcf LP |
280 | VB2_BUF_STATE_ERROR); |
281 | } | |
282 | ||
2401dd25 LP |
283 | while (!list_empty(&common->dma_queue)) { |
284 | common->next_frm = list_entry(common->dma_queue.next, | |
285 | struct vpif_disp_buffer, list); | |
286 | list_del(&common->next_frm->list); | |
2d700715 JS |
287 | vb2_buffer_done(&common->next_frm->vb.vb2_buf, |
288 | VB2_BUF_STATE_ERROR); | |
2401dd25 | 289 | } |
c4697d7f | 290 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
291 | } |
292 | ||
b0a4cedd | 293 | static const struct vb2_ops video_qops = { |
2401dd25 | 294 | .queue_setup = vpif_buffer_queue_setup, |
d10ed5c1 LP |
295 | .wait_prepare = vb2_ops_wait_prepare, |
296 | .wait_finish = vb2_ops_wait_finish, | |
2401dd25 LP |
297 | .buf_prepare = vpif_buffer_prepare, |
298 | .start_streaming = vpif_start_streaming, | |
299 | .stop_streaming = vpif_stop_streaming, | |
2401dd25 LP |
300 | .buf_queue = vpif_buffer_queue, |
301 | }; | |
302 | ||
e7332e3a C |
303 | static void process_progressive_mode(struct common_obj *common) |
304 | { | |
ea0e437c | 305 | unsigned long addr; |
e7332e3a | 306 | |
c4697d7f | 307 | spin_lock(&common->irqlock); |
e7332e3a C |
308 | /* Get the next buffer from buffer queue */ |
309 | common->next_frm = list_entry(common->dma_queue.next, | |
2401dd25 | 310 | struct vpif_disp_buffer, list); |
e7332e3a | 311 | /* Remove that buffer from the buffer queue */ |
2401dd25 | 312 | list_del(&common->next_frm->list); |
c4697d7f | 313 | spin_unlock(&common->irqlock); |
e7332e3a C |
314 | |
315 | /* Set top and bottom field addrs in VPIF registers */ | |
2d700715 | 316 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb.vb2_buf, 0); |
e7332e3a C |
317 | common->set_addr(addr + common->ytop_off, |
318 | addr + common->ybtm_off, | |
319 | addr + common->ctop_off, | |
320 | addr + common->cbtm_off); | |
321 | } | |
322 | ||
323 | static void process_interlaced_mode(int fid, struct common_obj *common) | |
324 | { | |
325 | /* device field id and local field id are in sync */ | |
326 | /* If this is even field */ | |
327 | if (0 == fid) { | |
328 | if (common->cur_frm == common->next_frm) | |
329 | return; | |
330 | ||
331 | /* one frame is displayed If next frame is | |
332 | * available, release cur_frm and move on */ | |
333 | /* Copy frame display time */ | |
d6dd645e | 334 | common->cur_frm->vb.vb2_buf.timestamp = ktime_get_ns(); |
e7332e3a | 335 | /* Change status of the cur_frm */ |
2d700715 JS |
336 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
337 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
338 | /* Make cur_frm pointing to next_frm */ |
339 | common->cur_frm = common->next_frm; | |
340 | ||
341 | } else if (1 == fid) { /* odd field */ | |
c4697d7f | 342 | spin_lock(&common->irqlock); |
e7332e3a C |
343 | if (list_empty(&common->dma_queue) |
344 | || (common->cur_frm != common->next_frm)) { | |
c4697d7f | 345 | spin_unlock(&common->irqlock); |
e7332e3a C |
346 | return; |
347 | } | |
c4697d7f | 348 | spin_unlock(&common->irqlock); |
e7332e3a C |
349 | /* one field is displayed configure the next |
350 | * frame if it is available else hold on current | |
351 | * frame */ | |
352 | /* Get next from the buffer queue */ | |
353 | process_progressive_mode(common); | |
e7332e3a C |
354 | } |
355 | } | |
356 | ||
357 | /* | |
358 | * vpif_channel_isr: It changes status of the displayed buffer, takes next | |
359 | * buffer from the queue and sets its address in VPIF registers | |
360 | */ | |
361 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
362 | { | |
363 | struct vpif_device *dev = &vpif_obj; | |
364 | struct channel_obj *ch; | |
365 | struct common_obj *common; | |
e7332e3a | 366 | int fid = -1, i; |
3ce5f660 | 367 | int channel_id; |
e7332e3a C |
368 | |
369 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
370 | if (!vpif_intr_status(channel_id + 2)) |
371 | return IRQ_NONE; | |
372 | ||
e7332e3a | 373 | ch = dev->dev[channel_id]; |
e7332e3a C |
374 | for (i = 0; i < VPIF_NUMOBJECTS; i++) { |
375 | common = &ch->common[i]; | |
376 | /* If streaming is started in this channel */ | |
e7332e3a C |
377 | |
378 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
c4697d7f HV |
379 | spin_lock(&common->irqlock); |
380 | if (list_empty(&common->dma_queue)) { | |
381 | spin_unlock(&common->irqlock); | |
e7332e3a | 382 | continue; |
c4697d7f HV |
383 | } |
384 | spin_unlock(&common->irqlock); | |
e7332e3a C |
385 | |
386 | /* Progressive mode */ | |
387 | if (!channel_first_int[i][channel_id]) { | |
388 | /* Mark status of the cur_frm to | |
389 | * done and unlock semaphore on it */ | |
d6dd645e JS |
390 | common->cur_frm->vb.vb2_buf.timestamp = |
391 | ktime_get_ns(); | |
2d700715 JS |
392 | vb2_buffer_done(&common->cur_frm->vb.vb2_buf, |
393 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
394 | /* Make cur_frm pointing to next_frm */ |
395 | common->cur_frm = common->next_frm; | |
396 | } | |
397 | ||
398 | channel_first_int[i][channel_id] = 0; | |
399 | process_progressive_mode(common); | |
400 | } else { | |
401 | /* Interlaced mode */ | |
402 | /* If it is first interrupt, ignore it */ | |
403 | ||
404 | if (channel_first_int[i][channel_id]) { | |
405 | channel_first_int[i][channel_id] = 0; | |
406 | continue; | |
407 | } | |
408 | ||
409 | if (0 == i) { | |
410 | ch->field_id ^= 1; | |
411 | /* Get field id from VPIF registers */ | |
412 | fid = vpif_channel_getfid(ch->channel_id + 2); | |
413 | /* If fid does not match with stored field id */ | |
414 | if (fid != ch->field_id) { | |
415 | /* Make them in sync */ | |
416 | if (0 == fid) | |
417 | ch->field_id = fid; | |
418 | ||
419 | return IRQ_HANDLED; | |
420 | } | |
421 | } | |
422 | process_interlaced_mode(fid, common); | |
423 | } | |
424 | } | |
425 | ||
426 | return IRQ_HANDLED; | |
427 | } | |
428 | ||
c027e165 | 429 | static int vpif_update_std_info(struct channel_obj *ch) |
e7332e3a | 430 | { |
e7332e3a C |
431 | struct video_obj *vid_ch = &ch->video; |
432 | struct vpif_params *vpifparams = &ch->vpifparams; | |
433 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
434 | const struct vpif_channel_config_params *config; | |
435 | ||
c027e165 | 436 | int i; |
e7332e3a | 437 | |
c027e165 | 438 | for (i = 0; i < vpif_ch_params_count; i++) { |
ced9b21f | 439 | config = &vpif_ch_params[i]; |
40c8bcea MR |
440 | if (config->hd_sd == 0) { |
441 | vpif_dbg(2, debug, "SD format\n"); | |
442 | if (config->stdid & vid_ch->stdid) { | |
443 | memcpy(std_info, config, sizeof(*config)); | |
444 | break; | |
445 | } | |
e7332e3a C |
446 | } |
447 | } | |
448 | ||
c027e165 MR |
449 | if (i == vpif_ch_params_count) { |
450 | vpif_dbg(1, debug, "Format not found\n"); | |
aa444406 | 451 | return -EINVAL; |
c027e165 MR |
452 | } |
453 | ||
454 | return 0; | |
455 | } | |
456 | ||
457 | static int vpif_update_resolution(struct channel_obj *ch) | |
458 | { | |
459 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
460 | struct video_obj *vid_ch = &ch->video; | |
461 | struct vpif_params *vpifparams = &ch->vpifparams; | |
462 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
463 | ||
0598c17b | 464 | if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height) |
c027e165 MR |
465 | return -EINVAL; |
466 | ||
0598c17b | 467 | if (vid_ch->stdid) { |
c027e165 MR |
468 | if (vpif_update_std_info(ch)) |
469 | return -EINVAL; | |
470 | } | |
e7332e3a | 471 | |
9cba6534 | 472 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; |
e7332e3a C |
473 | common->fmt.fmt.pix.width = std_info->width; |
474 | common->fmt.fmt.pix.height = std_info->height; | |
475 | vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", | |
476 | common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); | |
477 | ||
478 | /* Set height and width paramateres */ | |
c027e165 MR |
479 | common->height = std_info->height; |
480 | common->width = std_info->width; | |
9cba6534 LP |
481 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
482 | ||
483 | if (vid_ch->stdid) | |
484 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
485 | else | |
486 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
487 | ||
488 | if (ch->vpifparams.std_info.frm_fmt) | |
489 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
490 | else | |
491 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
e7332e3a C |
492 | |
493 | return 0; | |
494 | } | |
495 | ||
496 | /* | |
497 | * vpif_calculate_offsets: This function calculates buffers offset for Y and C | |
498 | * in the top and bottom field | |
499 | */ | |
500 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
501 | { | |
502 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
503 | struct vpif_params *vpifparams = &ch->vpifparams; | |
504 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
505 | struct video_obj *vid_ch = &ch->video; | |
a4f20e2f | 506 | unsigned int hpitch, sizeimage; |
e7332e3a C |
507 | |
508 | if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { | |
509 | if (ch->vpifparams.std_info.frm_fmt) | |
510 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
511 | else | |
512 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
513 | } else { | |
514 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
515 | } | |
516 | ||
2401dd25 | 517 | sizeimage = common->fmt.fmt.pix.sizeimage; |
e7332e3a C |
518 | |
519 | hpitch = common->fmt.fmt.pix.bytesperline; | |
e7332e3a C |
520 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || |
521 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
522 | common->ytop_off = 0; | |
523 | common->ybtm_off = hpitch; | |
524 | common->ctop_off = sizeimage / 2; | |
525 | common->cbtm_off = sizeimage / 2 + hpitch; | |
526 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
527 | common->ytop_off = 0; | |
528 | common->ybtm_off = sizeimage / 4; | |
529 | common->ctop_off = sizeimage / 2; | |
530 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
531 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
532 | common->ybtm_off = 0; | |
533 | common->ytop_off = sizeimage / 4; | |
534 | common->cbtm_off = sizeimage / 2; | |
535 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
536 | } | |
537 | ||
538 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
539 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
540 | vpifparams->video_params.storage_mode = 1; | |
541 | } else { | |
542 | vpifparams->video_params.storage_mode = 0; | |
543 | } | |
544 | ||
545 | if (ch->vpifparams.std_info.frm_fmt == 1) { | |
546 | vpifparams->video_params.hpitch = | |
547 | common->fmt.fmt.pix.bytesperline; | |
548 | } else { | |
549 | if ((field == V4L2_FIELD_ANY) || | |
550 | (field == V4L2_FIELD_INTERLACED)) | |
551 | vpifparams->video_params.hpitch = | |
552 | common->fmt.fmt.pix.bytesperline * 2; | |
553 | else | |
554 | vpifparams->video_params.hpitch = | |
555 | common->fmt.fmt.pix.bytesperline; | |
556 | } | |
557 | ||
558 | ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; | |
559 | } | |
560 | ||
e7332e3a C |
561 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) |
562 | { | |
563 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
564 | ||
565 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id) { | |
566 | common->set_addr = ch3_set_videobuf_addr; | |
567 | } else { | |
568 | if (2 == muxmode) | |
569 | common->set_addr = ch2_set_videobuf_addr_yc_nmux; | |
570 | else | |
571 | common->set_addr = ch2_set_videobuf_addr; | |
572 | } | |
573 | } | |
574 | ||
e7332e3a | 575 | /* functions implementing ioctls */ |
2c0ddd17 MR |
576 | /** |
577 | * vpif_querycap() - QUERYCAP handler | |
578 | * @file: file ptr | |
579 | * @priv: file handle | |
580 | * @cap: ptr to v4l2_capability structure | |
581 | */ | |
e7332e3a C |
582 | static int vpif_querycap(struct file *file, void *priv, |
583 | struct v4l2_capability *cap) | |
584 | { | |
317b2e2f | 585 | struct vpif_display_config *config = vpif_dev->platform_data; |
e7332e3a | 586 | |
626d533f LP |
587 | cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; |
588 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
76c4c2be | 589 | strlcpy(cap->driver, VPIF_DRIVER_NAME, sizeof(cap->driver)); |
626d533f LP |
590 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", |
591 | dev_name(vpif_dev)); | |
e7332e3a C |
592 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
593 | ||
594 | return 0; | |
595 | } | |
596 | ||
597 | static int vpif_enum_fmt_vid_out(struct file *file, void *priv, | |
598 | struct v4l2_fmtdesc *fmt) | |
599 | { | |
9cba6534 | 600 | if (fmt->index != 0) |
e7332e3a | 601 | return -EINVAL; |
e7332e3a C |
602 | |
603 | /* Fill in the information about format */ | |
604 | fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
605 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
606 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
9cba6534 | 607 | fmt->flags = 0; |
e7332e3a C |
608 | return 0; |
609 | } | |
610 | ||
611 | static int vpif_g_fmt_vid_out(struct file *file, void *priv, | |
612 | struct v4l2_format *fmt) | |
613 | { | |
fcc22af2 LP |
614 | struct video_device *vdev = video_devdata(file); |
615 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a C |
616 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
617 | ||
618 | /* Check the validity of the buffer type */ | |
619 | if (common->fmt.type != fmt->type) | |
620 | return -EINVAL; | |
621 | ||
c027e165 | 622 | if (vpif_update_resolution(ch)) |
9bfaae24 HV |
623 | return -EINVAL; |
624 | *fmt = common->fmt; | |
625 | return 0; | |
e7332e3a C |
626 | } |
627 | ||
9cba6534 | 628 | static int vpif_try_fmt_vid_out(struct file *file, void *priv, |
e7332e3a C |
629 | struct v4l2_format *fmt) |
630 | { | |
fcc22af2 LP |
631 | struct video_device *vdev = video_devdata(file); |
632 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 633 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
9cba6534 | 634 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; |
e7332e3a | 635 | |
9cba6534 LP |
636 | /* |
637 | * to supress v4l-compliance warnings silently correct | |
638 | * the pixelformat | |
639 | */ | |
640 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
641 | pixfmt->pixelformat = common->fmt.fmt.pix.pixelformat; | |
e7332e3a | 642 | |
9cba6534 LP |
643 | if (vpif_update_resolution(ch)) |
644 | return -EINVAL; | |
645 | ||
646 | pixfmt->colorspace = common->fmt.fmt.pix.colorspace; | |
647 | pixfmt->field = common->fmt.fmt.pix.field; | |
648 | pixfmt->bytesperline = common->fmt.fmt.pix.width; | |
649 | pixfmt->width = common->fmt.fmt.pix.width; | |
650 | pixfmt->height = common->fmt.fmt.pix.height; | |
651 | pixfmt->sizeimage = pixfmt->bytesperline * pixfmt->height * 2; | |
e7332e3a | 652 | |
e7332e3a C |
653 | return 0; |
654 | } | |
655 | ||
9cba6534 | 656 | static int vpif_s_fmt_vid_out(struct file *file, void *priv, |
e7332e3a C |
657 | struct v4l2_format *fmt) |
658 | { | |
fcc22af2 LP |
659 | struct video_device *vdev = video_devdata(file); |
660 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a C |
661 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
662 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; | |
9cba6534 | 663 | int ret; |
e7332e3a | 664 | |
9cba6534 LP |
665 | if (vb2_is_busy(&common->buffer_queue)) |
666 | return -EBUSY; | |
e7332e3a | 667 | |
9cba6534 LP |
668 | ret = vpif_try_fmt_vid_out(file, priv, fmt); |
669 | if (ret) | |
670 | return ret; | |
671 | ||
672 | /* store the pix format in the channel object */ | |
673 | common->fmt.fmt.pix = *pixfmt; | |
674 | ||
675 | /* store the format in the channel object */ | |
676 | common->fmt = *fmt; | |
677 | return 0; | |
e7332e3a C |
678 | } |
679 | ||
314527ac | 680 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
e7332e3a | 681 | { |
f27d0f45 | 682 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
683 | struct video_device *vdev = video_devdata(file); |
684 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 685 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
f27d0f45 LP |
686 | struct vpif_display_chan_config *chan_cfg; |
687 | struct v4l2_output output; | |
688 | int ret; | |
689 | ||
396c88e6 | 690 | if (!config->chan_config[ch->channel_id].outputs) |
f27d0f45 LP |
691 | return -ENODATA; |
692 | ||
693 | chan_cfg = &config->chan_config[ch->channel_id]; | |
694 | output = chan_cfg->outputs[ch->output_idx].output; | |
695 | if (output.capabilities != V4L2_OUT_CAP_STD) | |
696 | return -ENODATA; | |
e7332e3a | 697 | |
2f5851b5 LP |
698 | if (vb2_is_busy(&common->buffer_queue)) |
699 | return -EBUSY; | |
700 | ||
f27d0f45 | 701 | |
314527ac | 702 | if (!(std_id & VPIF_V4L2_STD)) |
e7332e3a C |
703 | return -EINVAL; |
704 | ||
e7332e3a | 705 | /* Call encoder subdevice function to set the standard */ |
314527ac | 706 | ch->video.stdid = std_id; |
0598c17b | 707 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
e7332e3a | 708 | /* Get the information about the standard */ |
9bfaae24 HV |
709 | if (vpif_update_resolution(ch)) |
710 | return -EINVAL; | |
e7332e3a | 711 | |
e7332e3a | 712 | common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; |
e7332e3a C |
713 | |
714 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, | |
314527ac | 715 | s_std_output, std_id); |
e7332e3a C |
716 | if (ret < 0) { |
717 | vpif_err("Failed to set output standard\n"); | |
9bfaae24 | 718 | return ret; |
e7332e3a C |
719 | } |
720 | ||
8774bed9 | 721 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, |
314527ac | 722 | s_std, std_id); |
e7332e3a C |
723 | if (ret < 0) |
724 | vpif_err("Failed to set standard for sub devices\n"); | |
e7332e3a C |
725 | return ret; |
726 | } | |
727 | ||
728 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
729 | { | |
f27d0f45 | 730 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
731 | struct video_device *vdev = video_devdata(file); |
732 | struct channel_obj *ch = video_get_drvdata(vdev); | |
f27d0f45 LP |
733 | struct vpif_display_chan_config *chan_cfg; |
734 | struct v4l2_output output; | |
735 | ||
396c88e6 | 736 | if (!config->chan_config[ch->channel_id].outputs) |
f27d0f45 LP |
737 | return -ENODATA; |
738 | ||
739 | chan_cfg = &config->chan_config[ch->channel_id]; | |
740 | output = chan_cfg->outputs[ch->output_idx].output; | |
741 | if (output.capabilities != V4L2_OUT_CAP_STD) | |
742 | return -ENODATA; | |
e7332e3a C |
743 | |
744 | *std = ch->video.stdid; | |
745 | return 0; | |
746 | } | |
747 | ||
e7332e3a C |
748 | static int vpif_enum_output(struct file *file, void *fh, |
749 | struct v4l2_output *output) | |
750 | { | |
751 | ||
317b2e2f | 752 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
753 | struct video_device *vdev = video_devdata(file); |
754 | struct channel_obj *ch = video_get_drvdata(vdev); | |
2bd4e58c | 755 | struct vpif_display_chan_config *chan_cfg; |
e7332e3a | 756 | |
2bd4e58c LP |
757 | chan_cfg = &config->chan_config[ch->channel_id]; |
758 | if (output->index >= chan_cfg->output_count) { | |
e7332e3a C |
759 | vpif_dbg(1, debug, "Invalid output index\n"); |
760 | return -EINVAL; | |
761 | } | |
762 | ||
2bd4e58c LP |
763 | *output = chan_cfg->outputs[output->index].output; |
764 | return 0; | |
765 | } | |
766 | ||
767 | /** | |
768 | * vpif_output_to_subdev() - Maps output to sub device | |
389a455d MCC |
769 | * @vpif_cfg: global config ptr |
770 | * @chan_cfg: channel config ptr | |
771 | * @index: Given output index from application | |
2bd4e58c LP |
772 | * |
773 | * lookup the sub device information for a given output index. | |
774 | * we report all the output to application. output table also | |
775 | * has sub device name for the each output | |
776 | */ | |
777 | static int | |
778 | vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, | |
779 | struct vpif_display_chan_config *chan_cfg, int index) | |
780 | { | |
781 | struct vpif_subdev_info *subdev_info; | |
782 | const char *subdev_name; | |
783 | int i; | |
784 | ||
785 | vpif_dbg(2, debug, "vpif_output_to_subdev\n"); | |
786 | ||
396c88e6 | 787 | if (!chan_cfg->outputs) |
2bd4e58c LP |
788 | return -1; |
789 | ||
790 | subdev_name = chan_cfg->outputs[index].subdev_name; | |
396c88e6 | 791 | if (!subdev_name) |
2bd4e58c LP |
792 | return -1; |
793 | ||
794 | /* loop through the sub device list to get the sub device info */ | |
795 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
796 | subdev_info = &vpif_cfg->subdevinfo[i]; | |
797 | if (!strcmp(subdev_info->name, subdev_name)) | |
798 | return i; | |
799 | } | |
800 | return -1; | |
801 | } | |
802 | ||
803 | /** | |
804 | * vpif_set_output() - Select an output | |
389a455d MCC |
805 | * @vpif_cfg: global config ptr |
806 | * @ch: channel | |
807 | * @index: Given output index from application | |
2bd4e58c LP |
808 | * |
809 | * Select the given output. | |
810 | */ | |
811 | static int vpif_set_output(struct vpif_display_config *vpif_cfg, | |
812 | struct channel_obj *ch, int index) | |
813 | { | |
814 | struct vpif_display_chan_config *chan_cfg = | |
815 | &vpif_cfg->chan_config[ch->channel_id]; | |
2bd4e58c LP |
816 | struct v4l2_subdev *sd = NULL; |
817 | u32 input = 0, output = 0; | |
818 | int sd_index; | |
819 | int ret; | |
820 | ||
821 | sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); | |
a4f20e2f | 822 | if (sd_index >= 0) |
2bd4e58c | 823 | sd = vpif_obj.sd[sd_index]; |
e7332e3a | 824 | |
2bd4e58c LP |
825 | if (sd) { |
826 | input = chan_cfg->outputs[index].input_route; | |
827 | output = chan_cfg->outputs[index].output_route; | |
828 | ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0); | |
829 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
830 | vpif_err("Failed to set output\n"); | |
831 | return ret; | |
832 | } | |
833 | ||
834 | } | |
835 | ch->output_idx = index; | |
836 | ch->sd = sd; | |
396c88e6 | 837 | if (chan_cfg->outputs) |
2bd4e58c | 838 | /* update tvnorms from the sub device output info */ |
e933c6bc | 839 | ch->video_dev.tvnorms = chan_cfg->outputs[index].output.std; |
e7332e3a C |
840 | return 0; |
841 | } | |
842 | ||
843 | static int vpif_s_output(struct file *file, void *priv, unsigned int i) | |
844 | { | |
2bd4e58c | 845 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
846 | struct video_device *vdev = video_devdata(file); |
847 | struct channel_obj *ch = video_get_drvdata(vdev); | |
2bd4e58c | 848 | struct vpif_display_chan_config *chan_cfg; |
e7332e3a | 849 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
2bd4e58c | 850 | |
2f5851b5 LP |
851 | if (vb2_is_busy(&common->buffer_queue)) |
852 | return -EBUSY; | |
853 | ||
2bd4e58c LP |
854 | chan_cfg = &config->chan_config[ch->channel_id]; |
855 | ||
856 | if (i >= chan_cfg->output_count) | |
857 | return -EINVAL; | |
e7332e3a | 858 | |
2bd4e58c | 859 | return vpif_set_output(config, ch, i); |
e7332e3a C |
860 | } |
861 | ||
862 | static int vpif_g_output(struct file *file, void *priv, unsigned int *i) | |
863 | { | |
fcc22af2 LP |
864 | struct video_device *vdev = video_devdata(file); |
865 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 866 | |
311673ee | 867 | *i = ch->output_idx; |
e7332e3a C |
868 | |
869 | return 0; | |
870 | } | |
871 | ||
40c8bcea | 872 | /** |
0598c17b | 873 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
874 | * @file: file ptr |
875 | * @priv: file handle | |
0598c17b | 876 | * @timings: input timings |
40c8bcea | 877 | */ |
0598c17b HV |
878 | static int |
879 | vpif_enum_dv_timings(struct file *file, void *priv, | |
880 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 881 | { |
1093c590 | 882 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
883 | struct video_device *vdev = video_devdata(file); |
884 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 LP |
885 | struct vpif_display_chan_config *chan_cfg; |
886 | struct v4l2_output output; | |
2bd4e58c | 887 | int ret; |
40c8bcea | 888 | |
396c88e6 | 889 | if (!config->chan_config[ch->channel_id].outputs) |
1093c590 LP |
890 | return -ENODATA; |
891 | ||
892 | chan_cfg = &config->chan_config[ch->channel_id]; | |
893 | output = chan_cfg->outputs[ch->output_idx].output; | |
894 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
895 | return -ENODATA; | |
896 | ||
10d2146d LP |
897 | timings->pad = 0; |
898 | ||
899 | ret = v4l2_subdev_call(ch->sd, pad, enum_dv_timings, timings); | |
63af4af5 | 900 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
2bd4e58c LP |
901 | return -EINVAL; |
902 | return ret; | |
40c8bcea MR |
903 | } |
904 | ||
c027e165 MR |
905 | /** |
906 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
907 | * @file: file ptr | |
908 | * @priv: file handle | |
909 | * @timings: digital video timings | |
910 | */ | |
911 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
912 | struct v4l2_dv_timings *timings) | |
913 | { | |
1093c590 | 914 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
915 | struct video_device *vdev = video_devdata(file); |
916 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 917 | struct vpif_params *vpifparams = &ch->vpifparams; |
1093c590 | 918 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 MR |
919 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
920 | struct video_obj *vid_ch = &ch->video; | |
0598c17b | 921 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1093c590 LP |
922 | struct vpif_display_chan_config *chan_cfg; |
923 | struct v4l2_output output; | |
c027e165 MR |
924 | int ret; |
925 | ||
396c88e6 | 926 | if (!config->chan_config[ch->channel_id].outputs) |
1093c590 LP |
927 | return -ENODATA; |
928 | ||
929 | chan_cfg = &config->chan_config[ch->channel_id]; | |
930 | output = chan_cfg->outputs[ch->output_idx].output; | |
931 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
932 | return -ENODATA; | |
933 | ||
934 | if (vb2_is_busy(&common->buffer_queue)) | |
935 | return -EBUSY; | |
936 | ||
c027e165 MR |
937 | if (timings->type != V4L2_DV_BT_656_1120) { |
938 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
939 | return -EINVAL; | |
940 | } | |
941 | ||
942 | /* Configure subdevice timings, if any */ | |
882084ad | 943 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
2bd4e58c LP |
944 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
945 | ret = 0; | |
946 | if (ret < 0) { | |
c027e165 MR |
947 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); |
948 | return ret; | |
949 | } | |
950 | ||
951 | if (!(timings->bt.width && timings->bt.height && | |
952 | (timings->bt.hbackporch || | |
953 | timings->bt.hfrontporch || | |
954 | timings->bt.hsync) && | |
955 | timings->bt.vfrontporch && | |
956 | (timings->bt.vbackporch || | |
957 | timings->bt.vsync))) { | |
ded026e0 | 958 | 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 |
959 | return -EINVAL; |
960 | } | |
961 | ||
0598c17b | 962 | vid_ch->dv_timings = *timings; |
c027e165 MR |
963 | |
964 | /* Configure video port timings */ | |
965 | ||
e3655268 | 966 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
967 | std_info->sav2eav = bt->width; |
968 | ||
969 | std_info->l1 = 1; | |
970 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
971 | ||
e3655268 | 972 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
973 | if (bt->interlaced) { |
974 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
975 | std_info->l5 = std_info->vsize/2 - |
976 | (bt->vfrontporch - 1); | |
977 | std_info->l7 = std_info->vsize/2 + 1; | |
978 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
979 | bt->il_vbackporch + 1; | |
980 | std_info->l11 = std_info->vsize - | |
981 | (bt->il_vfrontporch - 1); | |
982 | } else { | |
ded026e0 | 983 | vpif_dbg(2, debug, "Required timing values for interlaced BT format missing\n"); |
c027e165 MR |
984 | return -EINVAL; |
985 | } | |
986 | } else { | |
c027e165 MR |
987 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
988 | } | |
989 | strncpy(std_info->name, "Custom timings BT656/1120", | |
990 | VPIF_MAX_NAME); | |
991 | std_info->width = bt->width; | |
992 | std_info->height = bt->height; | |
993 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
994 | std_info->ycmux_mode = 0; | |
995 | std_info->capture_format = 0; | |
996 | std_info->vbi_supported = 0; | |
997 | std_info->hd_sd = 1; | |
998 | std_info->stdid = 0; | |
c027e165 | 999 | vid_ch->stdid = 0; |
c027e165 MR |
1000 | |
1001 | return 0; | |
1002 | } | |
1003 | ||
1004 | /** | |
1005 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1006 | * @file: file ptr | |
1007 | * @priv: file handle | |
1008 | * @timings: digital video timings | |
1009 | */ | |
1010 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1011 | struct v4l2_dv_timings *timings) | |
1012 | { | |
1093c590 | 1013 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
1014 | struct video_device *vdev = video_devdata(file); |
1015 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 | 1016 | struct vpif_display_chan_config *chan_cfg; |
c027e165 | 1017 | struct video_obj *vid_ch = &ch->video; |
1093c590 LP |
1018 | struct v4l2_output output; |
1019 | ||
396c88e6 | 1020 | if (!config->chan_config[ch->channel_id].outputs) |
1093c590 LP |
1021 | goto error; |
1022 | ||
1023 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1024 | output = chan_cfg->outputs[ch->output_idx].output; | |
1025 | ||
1026 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
1027 | goto error; | |
c027e165 | 1028 | |
0598c17b | 1029 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1030 | |
1031 | return 0; | |
1093c590 LP |
1032 | error: |
1033 | return -ENODATA; | |
c027e165 | 1034 | } |
7036d6a7 | 1035 | |
7036d6a7 MR |
1036 | /* |
1037 | * vpif_log_status() - Status information | |
1038 | * @file: file ptr | |
1039 | * @priv: file handle | |
1040 | * | |
1041 | * Returns zero. | |
1042 | */ | |
1043 | static int vpif_log_status(struct file *filep, void *priv) | |
1044 | { | |
1045 | /* status for sub devices */ | |
1046 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1047 | ||
1048 | return 0; | |
1049 | } | |
1050 | ||
e7332e3a C |
1051 | /* vpif display ioctl operations */ |
1052 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
dcce8669 | 1053 | .vidioc_querycap = vpif_querycap, |
e7332e3a | 1054 | .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, |
dcce8669 LP |
1055 | .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, |
1056 | .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, | |
1057 | .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, | |
b92cde17 LP |
1058 | |
1059 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1060 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1061 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1062 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1063 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1064 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1065 | .vidioc_streamon = vb2_ioctl_streamon, | |
1066 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1067 | ||
dcce8669 | 1068 | .vidioc_s_std = vpif_s_std, |
e7332e3a | 1069 | .vidioc_g_std = vpif_g_std, |
dcce8669 | 1070 | |
e7332e3a C |
1071 | .vidioc_enum_output = vpif_enum_output, |
1072 | .vidioc_s_output = vpif_s_output, | |
1073 | .vidioc_g_output = vpif_g_output, | |
dcce8669 LP |
1074 | |
1075 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, | |
1076 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1077 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1078 | ||
7036d6a7 | 1079 | .vidioc_log_status = vpif_log_status, |
e7332e3a C |
1080 | }; |
1081 | ||
1082 | static const struct v4l2_file_operations vpif_fops = { | |
1083 | .owner = THIS_MODULE, | |
fcc22af2 LP |
1084 | .open = v4l2_fh_open, |
1085 | .release = vb2_fop_release, | |
9bfaae24 | 1086 | .unlocked_ioctl = video_ioctl2, |
4be2153c LP |
1087 | .mmap = vb2_fop_mmap, |
1088 | .poll = vb2_fop_poll | |
e7332e3a C |
1089 | }; |
1090 | ||
e7332e3a C |
1091 | /*Configure the channels, buffer sizei, request irq */ |
1092 | static int initialize_vpif(void) | |
1093 | { | |
1094 | int free_channel_objects_index; | |
d5b94b99 | 1095 | int err, i, j; |
e7332e3a C |
1096 | |
1097 | /* Allocate memory for six channel objects */ | |
1098 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1099 | vpif_obj.dev[i] = | |
1f8766b4 | 1100 | kzalloc(sizeof(struct channel_obj), GFP_KERNEL); |
e7332e3a C |
1101 | /* If memory allocation fails, return error */ |
1102 | if (!vpif_obj.dev[i]) { | |
1103 | free_channel_objects_index = i; | |
1104 | err = -ENOMEM; | |
1105 | goto vpif_init_free_channel_objects; | |
1106 | } | |
1107 | } | |
1108 | ||
e7332e3a C |
1109 | return 0; |
1110 | ||
1111 | vpif_init_free_channel_objects: | |
1112 | for (j = 0; j < free_channel_objects_index; j++) | |
1113 | kfree(vpif_obj.dev[j]); | |
1114 | return err; | |
1115 | } | |
1116 | ||
4b8a531e LP |
1117 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1118 | struct v4l2_subdev *subdev, | |
1119 | struct v4l2_async_subdev *asd) | |
1120 | { | |
1121 | int i; | |
1122 | ||
1123 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1124 | if (!strcmp(vpif_obj.config->subdevinfo[i].name, | |
1125 | subdev->name)) { | |
1126 | vpif_obj.sd[i] = subdev; | |
1127 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1128 | return 0; | |
1129 | } | |
1130 | ||
1131 | return -EINVAL; | |
1132 | } | |
1133 | ||
1134 | static int vpif_probe_complete(void) | |
1135 | { | |
1136 | struct common_obj *common; | |
4be2153c | 1137 | struct video_device *vdev; |
4b8a531e | 1138 | struct channel_obj *ch; |
a2b235cb | 1139 | struct vb2_queue *q; |
4b8a531e LP |
1140 | int j, err, k; |
1141 | ||
1142 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { | |
1143 | ch = vpif_obj.dev[j]; | |
1144 | /* Initialize field of the channel objects */ | |
4b8a531e | 1145 | for (k = 0; k < VPIF_NUMOBJECTS; k++) { |
4b8a531e | 1146 | common = &ch->common[k]; |
4b8a531e LP |
1147 | spin_lock_init(&common->irqlock); |
1148 | mutex_init(&common->lock); | |
4b8a531e LP |
1149 | common->set_addr = NULL; |
1150 | common->ytop_off = 0; | |
1151 | common->ybtm_off = 0; | |
1152 | common->ctop_off = 0; | |
1153 | common->cbtm_off = 0; | |
1154 | common->cur_frm = NULL; | |
1155 | common->next_frm = NULL; | |
1156 | memset(&common->fmt, 0, sizeof(common->fmt)); | |
4b8a531e LP |
1157 | } |
1158 | ch->initialized = 0; | |
1159 | if (vpif_obj.config->subdev_count) | |
1160 | ch->sd = vpif_obj.sd[0]; | |
1161 | ch->channel_id = j; | |
4b8a531e LP |
1162 | |
1163 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
1164 | ||
4b8a531e LP |
1165 | ch->common[VPIF_VIDEO_INDEX].fmt.type = |
1166 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
4b8a531e LP |
1167 | |
1168 | /* select output 0 */ | |
1169 | err = vpif_set_output(vpif_obj.config, ch, 0); | |
1170 | if (err) | |
1171 | goto probe_out; | |
1172 | ||
9cba6534 LP |
1173 | /* set initial format */ |
1174 | ch->video.stdid = V4L2_STD_525_60; | |
1175 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1176 | vpif_update_resolution(ch); | |
1177 | ||
a2b235cb LP |
1178 | /* Initialize vb2 queue */ |
1179 | q = &common->buffer_queue; | |
1180 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
1181 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1182 | q->drv_priv = ch; | |
1183 | q->ops = &video_qops; | |
1184 | q->mem_ops = &vb2_dma_contig_memops; | |
1185 | q->buf_struct_size = sizeof(struct vpif_disp_buffer); | |
1186 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1187 | q->min_buffers_needed = 1; | |
d10ed5c1 | 1188 | q->lock = &common->lock; |
53ddcc68 | 1189 | q->dev = vpif_dev; |
a2b235cb LP |
1190 | err = vb2_queue_init(q); |
1191 | if (err) { | |
1192 | vpif_err("vpif_display: vb2_queue_init() failed\n"); | |
1193 | goto probe_out; | |
1194 | } | |
1195 | ||
a2b235cb LP |
1196 | INIT_LIST_HEAD(&common->dma_queue); |
1197 | ||
4b8a531e | 1198 | /* register video device */ |
212bdba3 MCC |
1199 | vpif_dbg(1, debug, "channel=%p,channel->video_dev=%p\n", |
1200 | ch, &ch->video_dev); | |
4b8a531e | 1201 | |
76c4c2be | 1202 | /* Initialize the video_device structure */ |
e933c6bc | 1203 | vdev = &ch->video_dev; |
76c4c2be | 1204 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
e933c6bc | 1205 | vdev->release = video_device_release_empty; |
76c4c2be LP |
1206 | vdev->fops = &vpif_fops; |
1207 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1208 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1209 | vdev->vfl_dir = VFL_DIR_TX; | |
4be2153c | 1210 | vdev->queue = q; |
fcc22af2 | 1211 | vdev->lock = &common->lock; |
e933c6bc | 1212 | video_set_drvdata(&ch->video_dev, ch); |
4be2153c LP |
1213 | err = video_register_device(vdev, VFL_TYPE_GRABBER, |
1214 | (j ? 3 : 2)); | |
4b8a531e LP |
1215 | if (err < 0) |
1216 | goto probe_out; | |
1217 | } | |
1218 | ||
1219 | return 0; | |
1220 | ||
1221 | probe_out: | |
1222 | for (k = 0; k < j; k++) { | |
1223 | ch = vpif_obj.dev[k]; | |
a2b235cb | 1224 | common = &ch->common[k]; |
e933c6bc | 1225 | video_unregister_device(&ch->video_dev); |
4b8a531e LP |
1226 | } |
1227 | return err; | |
1228 | } | |
1229 | ||
1230 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1231 | { | |
1232 | return vpif_probe_complete(); | |
1233 | } | |
1234 | ||
b6ee3f0d LP |
1235 | static const struct v4l2_async_notifier_operations vpif_async_ops = { |
1236 | .bound = vpif_async_bound, | |
1237 | .complete = vpif_async_complete, | |
1238 | }; | |
1239 | ||
e7332e3a C |
1240 | /* |
1241 | * vpif_probe: This function creates device entries by register itself to the | |
1242 | * V4L2 driver and initializes fields of each channel objects | |
1243 | */ | |
1244 | static __init int vpif_probe(struct platform_device *pdev) | |
1245 | { | |
317b2e2f | 1246 | struct vpif_subdev_info *subdevdata; |
e7332e3a | 1247 | struct i2c_adapter *i2c_adap; |
e7332e3a C |
1248 | struct resource *res; |
1249 | int subdev_count; | |
e933c6bc LP |
1250 | int res_idx = 0; |
1251 | int i, err; | |
e7332e3a | 1252 | |
bff782d7 KH |
1253 | if (!pdev->dev.platform_data) { |
1254 | dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); | |
1255 | return -EINVAL; | |
1256 | } | |
1257 | ||
4a5f8ae5 KH |
1258 | if (!pdev->dev.platform_data) { |
1259 | dev_warn(&pdev->dev, "Missing platform data. Giving up.\n"); | |
1260 | return -EINVAL; | |
1261 | } | |
1262 | ||
e7332e3a | 1263 | vpif_dev = &pdev->dev; |
317b2e2f | 1264 | err = initialize_vpif(); |
e7332e3a | 1265 | |
317b2e2f MK |
1266 | if (err) { |
1267 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1268 | return err; | |
e7332e3a C |
1269 | } |
1270 | ||
e7332e3a C |
1271 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1272 | if (err) { | |
1273 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1274 | return err; | |
1275 | } | |
1276 | ||
01b1d975 | 1277 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
379d2cf4 | 1278 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
76c4c2be | 1279 | IRQF_SHARED, VPIF_DRIVER_NAME, |
379d2cf4 LP |
1280 | (void *)(&vpif_obj.dev[res_idx]-> |
1281 | channel_id)); | |
1282 | if (err) { | |
1283 | err = -EINVAL; | |
1284 | vpif_err("VPIF IRQ request failed\n"); | |
1285 | goto vpif_unregister; | |
e7332e3a | 1286 | } |
01b1d975 | 1287 | res_idx++; |
e7332e3a C |
1288 | } |
1289 | ||
4b8a531e LP |
1290 | vpif_obj.config = pdev->dev.platform_data; |
1291 | subdev_count = vpif_obj.config->subdev_count; | |
1292 | subdevdata = vpif_obj.config->subdevinfo; | |
d5cf467e | 1293 | vpif_obj.sd = kcalloc(subdev_count, sizeof(*vpif_obj.sd), GFP_KERNEL); |
396c88e6 | 1294 | if (!vpif_obj.sd) { |
e6067f8b | 1295 | err = -ENOMEM; |
e933c6bc | 1296 | goto vpif_unregister; |
e6067f8b HV |
1297 | } |
1298 | ||
4b8a531e | 1299 | if (!vpif_obj.config->asd_sizes) { |
a16cb91a | 1300 | i2c_adap = i2c_get_adapter(vpif_obj.config->i2c_adapter_id); |
4b8a531e LP |
1301 | for (i = 0; i < subdev_count; i++) { |
1302 | vpif_obj.sd[i] = | |
1303 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1304 | i2c_adap, | |
1305 | &subdevdata[i]. | |
1306 | board_info, | |
1307 | NULL); | |
1308 | if (!vpif_obj.sd[i]) { | |
1309 | vpif_err("Error registering v4l2 subdevice\n"); | |
9d3e976b | 1310 | err = -ENODEV; |
4b8a531e LP |
1311 | goto probe_subdev_out; |
1312 | } | |
e7332e3a | 1313 | |
4b8a531e LP |
1314 | if (vpif_obj.sd[i]) |
1315 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1316 | } | |
1317 | vpif_probe_complete(); | |
1318 | } else { | |
e8419d08 | 1319 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
4b8a531e | 1320 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
b6ee3f0d | 1321 | vpif_obj.notifier.ops = &vpif_async_ops; |
4b8a531e LP |
1322 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, |
1323 | &vpif_obj.notifier); | |
1324 | if (err) { | |
1325 | vpif_err("Error registering async notifier\n"); | |
1326 | err = -EINVAL; | |
1327 | goto probe_subdev_out; | |
e7332e3a | 1328 | } |
e7332e3a C |
1329 | } |
1330 | ||
1331 | return 0; | |
1332 | ||
e6067f8b HV |
1333 | probe_subdev_out: |
1334 | kfree(vpif_obj.sd); | |
9c63e01e | 1335 | vpif_unregister: |
e7332e3a | 1336 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
e7332e3a C |
1337 | |
1338 | return err; | |
1339 | } | |
1340 | ||
1341 | /* | |
1342 | * vpif_remove: It un-register channels from V4L2 driver | |
1343 | */ | |
1344 | static int vpif_remove(struct platform_device *device) | |
1345 | { | |
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]; | |
1356 | /* Unregister video device */ | |
e933c6bc | 1357 | video_unregister_device(&ch->video_dev); |
0b361583 | 1358 | kfree(vpif_obj.dev[i]); |
e7332e3a C |
1359 | } |
1360 | ||
1361 | return 0; | |
1362 | } | |
1363 | ||
ba1902e3 | 1364 | #ifdef CONFIG_PM_SLEEP |
e9530dac MH |
1365 | static int vpif_suspend(struct device *dev) |
1366 | { | |
1367 | struct common_obj *common; | |
1368 | struct channel_obj *ch; | |
1369 | int i; | |
1370 | ||
1371 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1372 | /* Get the pointer to the channel object */ | |
1373 | ch = vpif_obj.dev[i]; | |
1374 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 | 1375 | |
81578924 | 1376 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
ba1902e3 LP |
1377 | continue; |
1378 | ||
e9530dac | 1379 | mutex_lock(&common->lock); |
ba1902e3 LP |
1380 | /* Disable channel */ |
1381 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1382 | enable_channel2(0); | |
1383 | channel2_intr_enable(0); | |
1384 | } | |
1385 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1386 | ycmux_mode == 2) { | |
1387 | enable_channel3(0); | |
1388 | channel3_intr_enable(0); | |
e9530dac MH |
1389 | } |
1390 | mutex_unlock(&common->lock); | |
1391 | } | |
1392 | ||
1393 | return 0; | |
1394 | } | |
1395 | ||
1396 | static int vpif_resume(struct device *dev) | |
1397 | { | |
1398 | ||
1399 | struct common_obj *common; | |
1400 | struct channel_obj *ch; | |
1401 | int i; | |
1402 | ||
1403 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1404 | /* Get the pointer to the channel object */ | |
1405 | ch = vpif_obj.dev[i]; | |
1406 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 | 1407 | |
81578924 | 1408 | if (!vb2_start_streaming_called(&common->buffer_queue)) |
ba1902e3 LP |
1409 | continue; |
1410 | ||
e9530dac | 1411 | mutex_lock(&common->lock); |
ba1902e3 LP |
1412 | /* Enable channel */ |
1413 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1414 | enable_channel2(1); | |
1415 | channel2_intr_enable(1); | |
1416 | } | |
1417 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1418 | ycmux_mode == 2) { | |
1419 | enable_channel3(1); | |
1420 | channel3_intr_enable(1); | |
e9530dac MH |
1421 | } |
1422 | mutex_unlock(&common->lock); | |
1423 | } | |
1424 | ||
1425 | return 0; | |
1426 | } | |
1427 | ||
e9530dac MH |
1428 | #endif |
1429 | ||
ba1902e3 LP |
1430 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1431 | ||
ffa1b391 | 1432 | static __refdata struct platform_driver vpif_driver = { |
e7332e3a | 1433 | .driver = { |
76c4c2be | 1434 | .name = VPIF_DRIVER_NAME, |
ba1902e3 | 1435 | .pm = &vpif_pm_ops, |
e7332e3a C |
1436 | }, |
1437 | .probe = vpif_probe, | |
1438 | .remove = vpif_remove, | |
1439 | }; | |
1440 | ||
b8d067b6 | 1441 | module_platform_driver(vpif_driver); |