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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" |
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 | |
58334b00 LP |
56 | static inline struct vpif_disp_buffer *to_vpif_buffer(struct vb2_buffer *vb) |
57 | { | |
58 | return container_of(vb, struct vpif_disp_buffer, vb); | |
59 | } | |
60 | ||
27cdf9ba LP |
61 | /** |
62 | * vpif_buffer_prepare : callback function for buffer prepare | |
63 | * @vb: ptr to vb2_buffer | |
64 | * | |
65 | * This is the callback function for buffer prepare when vb2_qbuf() | |
66 | * function is called. The buffer is prepared and user space virtual address | |
67 | * or user address is converted into physical address | |
e7332e3a | 68 | */ |
2401dd25 | 69 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
e7332e3a | 70 | { |
27cdf9ba | 71 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 72 | struct common_obj *common; |
e7332e3a | 73 | |
a2b235cb | 74 | common = &ch->common[VPIF_VIDEO_INDEX]; |
27cdf9ba LP |
75 | |
76 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); | |
77 | if (vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
78 | return -EINVAL; | |
79 | ||
80 | vb->v4l2_buf.field = common->fmt.fmt.pix.field; | |
81 | ||
82 | if (vb->vb2_queue->type != V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) { | |
83 | unsigned long addr = vb2_dma_contig_plane_dma_addr(vb, 0); | |
84 | ||
85 | if (!ISALIGNED(addr + common->ytop_off) || | |
2401dd25 LP |
86 | !ISALIGNED(addr + common->ybtm_off) || |
87 | !ISALIGNED(addr + common->ctop_off) || | |
27cdf9ba LP |
88 | !ISALIGNED(addr + common->cbtm_off)) { |
89 | vpif_err("buffer offset not aligned to 8 bytes\n"); | |
90 | return -EINVAL; | |
2401dd25 | 91 | } |
e7332e3a | 92 | } |
e7332e3a | 93 | |
27cdf9ba | 94 | return 0; |
e7332e3a C |
95 | } |
96 | ||
172392a1 LP |
97 | /** |
98 | * vpif_buffer_queue_setup : Callback function for buffer setup. | |
99 | * @vq: vb2_queue ptr | |
100 | * @fmt: v4l2 format | |
101 | * @nbuffers: ptr to number of buffers requested by application | |
102 | * @nplanes:: contains number of distinct video planes needed to hold a frame | |
103 | * @sizes[]: contains the size (in bytes) of each plane. | |
104 | * @alloc_ctxs: ptr to allocation context | |
105 | * | |
106 | * This callback function is called when reqbuf() is called to adjust | |
107 | * the buffer count and buffer size | |
e7332e3a | 108 | */ |
2401dd25 LP |
109 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
110 | const struct v4l2_format *fmt, | |
111 | unsigned int *nbuffers, unsigned int *nplanes, | |
112 | unsigned int sizes[], void *alloc_ctxs[]) | |
e7332e3a | 113 | { |
a2b235cb | 114 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
e7332e3a | 115 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
fc613d44 | 116 | |
172392a1 LP |
117 | if (fmt && fmt->fmt.pix.sizeimage < common->fmt.fmt.pix.sizeimage) |
118 | return -EINVAL; | |
119 | ||
120 | if (vq->num_buffers + *nbuffers < 3) | |
121 | *nbuffers = 3 - vq->num_buffers; | |
e7332e3a | 122 | |
2401dd25 | 123 | *nplanes = 1; |
172392a1 | 124 | sizes[0] = fmt ? fmt->fmt.pix.sizeimage : common->fmt.fmt.pix.sizeimage; |
2401dd25 | 125 | alloc_ctxs[0] = common->alloc_ctx; |
172392a1 LP |
126 | |
127 | /* Calculate the offset for Y and C data in the buffer */ | |
128 | vpif_calculate_offsets(ch); | |
129 | ||
e7332e3a C |
130 | return 0; |
131 | } | |
132 | ||
58334b00 LP |
133 | /** |
134 | * vpif_buffer_queue : Callback function to add buffer to DMA queue | |
135 | * @vb: ptr to vb2_buffer | |
136 | * | |
137 | * This callback fucntion queues the buffer to DMA engine | |
e7332e3a | 138 | */ |
2401dd25 | 139 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
e7332e3a | 140 | { |
58334b00 | 141 | struct vpif_disp_buffer *buf = to_vpif_buffer(vb); |
a2b235cb | 142 | struct channel_obj *ch = vb2_get_drv_priv(vb->vb2_queue); |
e7332e3a | 143 | struct common_obj *common; |
c4697d7f | 144 | unsigned long flags; |
e7332e3a | 145 | |
2401dd25 | 146 | common = &ch->common[VPIF_VIDEO_INDEX]; |
e7332e3a C |
147 | |
148 | /* add the buffer to the DMA queue */ | |
c4697d7f | 149 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 150 | list_add_tail(&buf->list, &common->dma_queue); |
c4697d7f | 151 | spin_unlock_irqrestore(&common->irqlock, flags); |
e7332e3a C |
152 | } |
153 | ||
58334b00 LP |
154 | /** |
155 | * vpif_start_streaming : Starts the DMA engine for streaming | |
156 | * @vb: ptr to vb2_buffer | |
157 | * @count: number of buffers | |
158 | */ | |
2401dd25 LP |
159 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
160 | { | |
161 | struct vpif_display_config *vpif_config_data = | |
162 | vpif_dev->platform_data; | |
a2b235cb | 163 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 LP |
164 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
165 | struct vpif_params *vpif = &ch->vpifparams; | |
54a445a4 LP |
166 | struct vpif_disp_buffer *buf, *tmp; |
167 | unsigned long addr, flags; | |
2401dd25 LP |
168 | int ret; |
169 | ||
c4697d7f | 170 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 171 | |
2f5851b5 | 172 | /* Initialize field_id */ |
2401dd25 | 173 | ch->field_id = 0; |
54a445a4 | 174 | |
2401dd25 | 175 | /* clock settings */ |
f4ad8d74 LP |
176 | if (vpif_config_data->set_clock) { |
177 | ret = vpif_config_data->set_clock(ch->vpifparams.std_info. | |
178 | ycmux_mode, ch->vpifparams.std_info.hd_sd); | |
179 | if (ret < 0) { | |
180 | vpif_err("can't set clock\n"); | |
54a445a4 | 181 | goto err; |
f4ad8d74 | 182 | } |
2401dd25 LP |
183 | } |
184 | ||
185 | /* set the parameters and addresses */ | |
186 | ret = vpif_set_video_params(vpif, ch->channel_id + 2); | |
187 | if (ret < 0) | |
54a445a4 | 188 | goto err; |
2401dd25 | 189 | |
2f5851b5 | 190 | ycmux_mode = ret; |
2401dd25 | 191 | vpif_config_addr(ch, ret); |
54a445a4 LP |
192 | /* Get the next frame from the buffer queue */ |
193 | common->next_frm = common->cur_frm = | |
194 | list_entry(common->dma_queue.next, | |
195 | struct vpif_disp_buffer, list); | |
196 | ||
197 | list_del(&common->cur_frm->list); | |
198 | spin_unlock_irqrestore(&common->irqlock, flags); | |
199 | /* Mark state of the current frame to active */ | |
200 | common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; | |
201 | ||
202 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0); | |
2401dd25 LP |
203 | common->set_addr((addr + common->ytop_off), |
204 | (addr + common->ybtm_off), | |
205 | (addr + common->ctop_off), | |
206 | (addr + common->cbtm_off)); | |
207 | ||
58334b00 LP |
208 | /* |
209 | * Set interrupt for both the fields in VPIF | |
210 | * Register enable channel in VPIF register | |
211 | */ | |
9e18404a | 212 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
2401dd25 LP |
213 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { |
214 | channel2_intr_assert(); | |
215 | channel2_intr_enable(1); | |
216 | enable_channel2(1); | |
2bd4e58c | 217 | if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) |
6964b103 | 218 | channel2_clipping_enable(1); |
2401dd25 LP |
219 | } |
220 | ||
2f5851b5 | 221 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
2401dd25 LP |
222 | channel3_intr_assert(); |
223 | channel3_intr_enable(1); | |
224 | enable_channel3(1); | |
2bd4e58c | 225 | if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) |
6964b103 | 226 | channel3_clipping_enable(1); |
2401dd25 | 227 | } |
2401dd25 LP |
228 | |
229 | return 0; | |
54a445a4 LP |
230 | |
231 | err: | |
232 | list_for_each_entry_safe(buf, tmp, &common->dma_queue, list) { | |
233 | list_del(&buf->list); | |
234 | vb2_buffer_done(&buf->vb, VB2_BUF_STATE_QUEUED); | |
235 | } | |
236 | ||
237 | return ret; | |
2401dd25 LP |
238 | } |
239 | ||
58334b00 LP |
240 | /** |
241 | * vpif_stop_streaming : Stop the DMA engine | |
242 | * @vq: ptr to vb2_queue | |
243 | * | |
244 | * This callback stops the DMA engine and any remaining buffers | |
245 | * in the DMA queue are released. | |
246 | */ | |
e37559b2 | 247 | static void vpif_stop_streaming(struct vb2_queue *vq) |
2401dd25 | 248 | { |
a2b235cb | 249 | struct channel_obj *ch = vb2_get_drv_priv(vq); |
2401dd25 | 250 | struct common_obj *common; |
c4697d7f | 251 | unsigned long flags; |
2401dd25 | 252 | |
2401dd25 LP |
253 | common = &ch->common[VPIF_VIDEO_INDEX]; |
254 | ||
18c7adcf LP |
255 | /* Disable channel */ |
256 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
257 | enable_channel2(0); | |
258 | channel2_intr_enable(0); | |
259 | } | |
2f5851b5 | 260 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id || ycmux_mode == 2) { |
18c7adcf LP |
261 | enable_channel3(0); |
262 | channel3_intr_enable(0); | |
263 | } | |
18c7adcf | 264 | |
2401dd25 | 265 | /* release all active buffers */ |
c4697d7f | 266 | spin_lock_irqsave(&common->irqlock, flags); |
18c7adcf LP |
267 | if (common->cur_frm == common->next_frm) { |
268 | vb2_buffer_done(&common->cur_frm->vb, VB2_BUF_STATE_ERROR); | |
269 | } else { | |
270 | if (common->cur_frm != NULL) | |
271 | vb2_buffer_done(&common->cur_frm->vb, | |
272 | VB2_BUF_STATE_ERROR); | |
273 | if (common->next_frm != NULL) | |
274 | vb2_buffer_done(&common->next_frm->vb, | |
275 | VB2_BUF_STATE_ERROR); | |
276 | } | |
277 | ||
2401dd25 LP |
278 | while (!list_empty(&common->dma_queue)) { |
279 | common->next_frm = list_entry(common->dma_queue.next, | |
280 | struct vpif_disp_buffer, list); | |
281 | list_del(&common->next_frm->list); | |
282 | vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); | |
283 | } | |
c4697d7f | 284 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
285 | } |
286 | ||
287 | static struct vb2_ops video_qops = { | |
288 | .queue_setup = vpif_buffer_queue_setup, | |
d10ed5c1 LP |
289 | .wait_prepare = vb2_ops_wait_prepare, |
290 | .wait_finish = vb2_ops_wait_finish, | |
2401dd25 LP |
291 | .buf_prepare = vpif_buffer_prepare, |
292 | .start_streaming = vpif_start_streaming, | |
293 | .stop_streaming = vpif_stop_streaming, | |
2401dd25 LP |
294 | .buf_queue = vpif_buffer_queue, |
295 | }; | |
296 | ||
e7332e3a C |
297 | static void process_progressive_mode(struct common_obj *common) |
298 | { | |
299 | unsigned long addr = 0; | |
300 | ||
c4697d7f | 301 | spin_lock(&common->irqlock); |
e7332e3a C |
302 | /* Get the next buffer from buffer queue */ |
303 | common->next_frm = list_entry(common->dma_queue.next, | |
2401dd25 | 304 | struct vpif_disp_buffer, list); |
e7332e3a | 305 | /* Remove that buffer from the buffer queue */ |
2401dd25 | 306 | list_del(&common->next_frm->list); |
c4697d7f | 307 | spin_unlock(&common->irqlock); |
e7332e3a | 308 | /* Mark status of the buffer as active */ |
2401dd25 | 309 | common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; |
e7332e3a C |
310 | |
311 | /* Set top and bottom field addrs in VPIF registers */ | |
2401dd25 | 312 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb, 0); |
e7332e3a C |
313 | common->set_addr(addr + common->ytop_off, |
314 | addr + common->ybtm_off, | |
315 | addr + common->ctop_off, | |
316 | addr + common->cbtm_off); | |
317 | } | |
318 | ||
319 | static void process_interlaced_mode(int fid, struct common_obj *common) | |
320 | { | |
321 | /* device field id and local field id are in sync */ | |
322 | /* If this is even field */ | |
323 | if (0 == fid) { | |
324 | if (common->cur_frm == common->next_frm) | |
325 | return; | |
326 | ||
327 | /* one frame is displayed If next frame is | |
328 | * available, release cur_frm and move on */ | |
329 | /* Copy frame display time */ | |
8e6057b5 | 330 | v4l2_get_timestamp(&common->cur_frm->vb.v4l2_buf.timestamp); |
e7332e3a | 331 | /* Change status of the cur_frm */ |
2401dd25 LP |
332 | vb2_buffer_done(&common->cur_frm->vb, |
333 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
334 | /* Make cur_frm pointing to next_frm */ |
335 | common->cur_frm = common->next_frm; | |
336 | ||
337 | } else if (1 == fid) { /* odd field */ | |
c4697d7f | 338 | spin_lock(&common->irqlock); |
e7332e3a C |
339 | if (list_empty(&common->dma_queue) |
340 | || (common->cur_frm != common->next_frm)) { | |
c4697d7f | 341 | spin_unlock(&common->irqlock); |
e7332e3a C |
342 | return; |
343 | } | |
c4697d7f | 344 | spin_unlock(&common->irqlock); |
e7332e3a C |
345 | /* one field is displayed configure the next |
346 | * frame if it is available else hold on current | |
347 | * frame */ | |
348 | /* Get next from the buffer queue */ | |
349 | process_progressive_mode(common); | |
e7332e3a C |
350 | } |
351 | } | |
352 | ||
353 | /* | |
354 | * vpif_channel_isr: It changes status of the displayed buffer, takes next | |
355 | * buffer from the queue and sets its address in VPIF registers | |
356 | */ | |
357 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
358 | { | |
359 | struct vpif_device *dev = &vpif_obj; | |
360 | struct channel_obj *ch; | |
361 | struct common_obj *common; | |
362 | enum v4l2_field field; | |
363 | int fid = -1, i; | |
364 | int channel_id = 0; | |
365 | ||
366 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
367 | if (!vpif_intr_status(channel_id + 2)) |
368 | return IRQ_NONE; | |
369 | ||
e7332e3a C |
370 | ch = dev->dev[channel_id]; |
371 | field = ch->common[VPIF_VIDEO_INDEX].fmt.fmt.pix.field; | |
372 | for (i = 0; i < VPIF_NUMOBJECTS; i++) { | |
373 | common = &ch->common[i]; | |
374 | /* If streaming is started in this channel */ | |
e7332e3a C |
375 | |
376 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
c4697d7f HV |
377 | spin_lock(&common->irqlock); |
378 | if (list_empty(&common->dma_queue)) { | |
379 | spin_unlock(&common->irqlock); | |
e7332e3a | 380 | continue; |
c4697d7f HV |
381 | } |
382 | spin_unlock(&common->irqlock); | |
e7332e3a C |
383 | |
384 | /* Progressive mode */ | |
385 | if (!channel_first_int[i][channel_id]) { | |
386 | /* Mark status of the cur_frm to | |
387 | * done and unlock semaphore on it */ | |
8e6057b5 SA |
388 | v4l2_get_timestamp(&common->cur_frm->vb. |
389 | v4l2_buf.timestamp); | |
2401dd25 LP |
390 | vb2_buffer_done(&common->cur_frm->vb, |
391 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
392 | /* Make cur_frm pointing to next_frm */ |
393 | common->cur_frm = common->next_frm; | |
394 | } | |
395 | ||
396 | channel_first_int[i][channel_id] = 0; | |
397 | process_progressive_mode(common); | |
398 | } else { | |
399 | /* Interlaced mode */ | |
400 | /* If it is first interrupt, ignore it */ | |
401 | ||
402 | if (channel_first_int[i][channel_id]) { | |
403 | channel_first_int[i][channel_id] = 0; | |
404 | continue; | |
405 | } | |
406 | ||
407 | if (0 == i) { | |
408 | ch->field_id ^= 1; | |
409 | /* Get field id from VPIF registers */ | |
410 | fid = vpif_channel_getfid(ch->channel_id + 2); | |
411 | /* If fid does not match with stored field id */ | |
412 | if (fid != ch->field_id) { | |
413 | /* Make them in sync */ | |
414 | if (0 == fid) | |
415 | ch->field_id = fid; | |
416 | ||
417 | return IRQ_HANDLED; | |
418 | } | |
419 | } | |
420 | process_interlaced_mode(fid, common); | |
421 | } | |
422 | } | |
423 | ||
424 | return IRQ_HANDLED; | |
425 | } | |
426 | ||
c027e165 | 427 | static int vpif_update_std_info(struct channel_obj *ch) |
e7332e3a | 428 | { |
e7332e3a C |
429 | struct video_obj *vid_ch = &ch->video; |
430 | struct vpif_params *vpifparams = &ch->vpifparams; | |
431 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
432 | const struct vpif_channel_config_params *config; | |
433 | ||
c027e165 | 434 | int i; |
e7332e3a | 435 | |
c027e165 | 436 | for (i = 0; i < vpif_ch_params_count; i++) { |
ced9b21f | 437 | config = &vpif_ch_params[i]; |
40c8bcea MR |
438 | if (config->hd_sd == 0) { |
439 | vpif_dbg(2, debug, "SD format\n"); | |
440 | if (config->stdid & vid_ch->stdid) { | |
441 | memcpy(std_info, config, sizeof(*config)); | |
442 | break; | |
443 | } | |
e7332e3a C |
444 | } |
445 | } | |
446 | ||
c027e165 MR |
447 | if (i == vpif_ch_params_count) { |
448 | vpif_dbg(1, debug, "Format not found\n"); | |
aa444406 | 449 | return -EINVAL; |
c027e165 MR |
450 | } |
451 | ||
452 | return 0; | |
453 | } | |
454 | ||
455 | static int vpif_update_resolution(struct channel_obj *ch) | |
456 | { | |
457 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
458 | struct video_obj *vid_ch = &ch->video; | |
459 | struct vpif_params *vpifparams = &ch->vpifparams; | |
460 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
461 | ||
0598c17b | 462 | if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height) |
c027e165 MR |
463 | return -EINVAL; |
464 | ||
0598c17b | 465 | if (vid_ch->stdid) { |
c027e165 MR |
466 | if (vpif_update_std_info(ch)) |
467 | return -EINVAL; | |
468 | } | |
e7332e3a | 469 | |
9cba6534 | 470 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; |
e7332e3a C |
471 | common->fmt.fmt.pix.width = std_info->width; |
472 | common->fmt.fmt.pix.height = std_info->height; | |
473 | vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", | |
474 | common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); | |
475 | ||
476 | /* Set height and width paramateres */ | |
c027e165 MR |
477 | common->height = std_info->height; |
478 | common->width = std_info->width; | |
9cba6534 LP |
479 | common->fmt.fmt.pix.sizeimage = common->height * common->width * 2; |
480 | ||
481 | if (vid_ch->stdid) | |
482 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M; | |
483 | else | |
484 | common->fmt.fmt.pix.colorspace = V4L2_COLORSPACE_REC709; | |
485 | ||
486 | if (ch->vpifparams.std_info.frm_fmt) | |
487 | common->fmt.fmt.pix.field = V4L2_FIELD_NONE; | |
488 | else | |
489 | common->fmt.fmt.pix.field = V4L2_FIELD_INTERLACED; | |
e7332e3a C |
490 | |
491 | return 0; | |
492 | } | |
493 | ||
494 | /* | |
495 | * vpif_calculate_offsets: This function calculates buffers offset for Y and C | |
496 | * in the top and bottom field | |
497 | */ | |
498 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
499 | { | |
500 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
501 | struct vpif_params *vpifparams = &ch->vpifparams; | |
502 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
503 | struct video_obj *vid_ch = &ch->video; | |
504 | unsigned int hpitch, vpitch, sizeimage; | |
505 | ||
506 | if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { | |
507 | if (ch->vpifparams.std_info.frm_fmt) | |
508 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
509 | else | |
510 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
511 | } else { | |
512 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
513 | } | |
514 | ||
2401dd25 | 515 | sizeimage = common->fmt.fmt.pix.sizeimage; |
e7332e3a C |
516 | |
517 | hpitch = common->fmt.fmt.pix.bytesperline; | |
518 | vpitch = sizeimage / (hpitch * 2); | |
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; | |
651 | pixfmt->priv = 0; | |
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 | ||
690 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
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 | ||
721 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, | |
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 | ||
736 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
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 | |
769 | * @vpif_cfg - global config ptr | |
770 | * @chan_cfg - channel config ptr | |
771 | * @index - Given output index from application | |
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 | ||
787 | if (chan_cfg->outputs == NULL) | |
788 | return -1; | |
789 | ||
790 | subdev_name = chan_cfg->outputs[index].subdev_name; | |
791 | if (subdev_name == NULL) | |
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 | |
805 | * @vpif_cfg - global config ptr | |
806 | * @ch - channel | |
807 | * @index - Given output index from application | |
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]; | |
816 | struct vpif_subdev_info *subdev_info = NULL; | |
817 | struct v4l2_subdev *sd = NULL; | |
818 | u32 input = 0, output = 0; | |
819 | int sd_index; | |
820 | int ret; | |
821 | ||
822 | sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); | |
823 | if (sd_index >= 0) { | |
824 | sd = vpif_obj.sd[sd_index]; | |
825 | subdev_info = &vpif_cfg->subdevinfo[sd_index]; | |
826 | } | |
e7332e3a | 827 | |
2bd4e58c LP |
828 | if (sd) { |
829 | input = chan_cfg->outputs[index].input_route; | |
830 | output = chan_cfg->outputs[index].output_route; | |
831 | ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0); | |
832 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
833 | vpif_err("Failed to set output\n"); | |
834 | return ret; | |
835 | } | |
836 | ||
837 | } | |
838 | ch->output_idx = index; | |
839 | ch->sd = sd; | |
840 | if (chan_cfg->outputs != NULL) | |
841 | /* update tvnorms from the sub device output info */ | |
842 | ch->video_dev->tvnorms = chan_cfg->outputs[index].output.std; | |
e7332e3a C |
843 | return 0; |
844 | } | |
845 | ||
846 | static int vpif_s_output(struct file *file, void *priv, unsigned int i) | |
847 | { | |
2bd4e58c | 848 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
849 | struct video_device *vdev = video_devdata(file); |
850 | struct channel_obj *ch = video_get_drvdata(vdev); | |
2bd4e58c | 851 | struct vpif_display_chan_config *chan_cfg; |
e7332e3a | 852 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
2bd4e58c | 853 | |
2f5851b5 LP |
854 | if (vb2_is_busy(&common->buffer_queue)) |
855 | return -EBUSY; | |
856 | ||
2bd4e58c LP |
857 | chan_cfg = &config->chan_config[ch->channel_id]; |
858 | ||
859 | if (i >= chan_cfg->output_count) | |
860 | return -EINVAL; | |
e7332e3a | 861 | |
2bd4e58c | 862 | return vpif_set_output(config, ch, i); |
e7332e3a C |
863 | } |
864 | ||
865 | static int vpif_g_output(struct file *file, void *priv, unsigned int *i) | |
866 | { | |
fcc22af2 LP |
867 | struct video_device *vdev = video_devdata(file); |
868 | struct channel_obj *ch = video_get_drvdata(vdev); | |
e7332e3a | 869 | |
311673ee | 870 | *i = ch->output_idx; |
e7332e3a C |
871 | |
872 | return 0; | |
873 | } | |
874 | ||
40c8bcea | 875 | /** |
0598c17b | 876 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
877 | * @file: file ptr |
878 | * @priv: file handle | |
0598c17b | 879 | * @timings: input timings |
40c8bcea | 880 | */ |
0598c17b HV |
881 | static int |
882 | vpif_enum_dv_timings(struct file *file, void *priv, | |
883 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea | 884 | { |
1093c590 | 885 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
886 | struct video_device *vdev = video_devdata(file); |
887 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 LP |
888 | struct vpif_display_chan_config *chan_cfg; |
889 | struct v4l2_output output; | |
2bd4e58c | 890 | int ret; |
40c8bcea | 891 | |
1093c590 LP |
892 | if (config->chan_config[ch->channel_id].outputs == NULL) |
893 | return -ENODATA; | |
894 | ||
895 | chan_cfg = &config->chan_config[ch->channel_id]; | |
896 | output = chan_cfg->outputs[ch->output_idx].output; | |
897 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
898 | return -ENODATA; | |
899 | ||
2bd4e58c | 900 | ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); |
63af4af5 | 901 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
2bd4e58c LP |
902 | return -EINVAL; |
903 | return ret; | |
40c8bcea MR |
904 | } |
905 | ||
c027e165 MR |
906 | /** |
907 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
908 | * @file: file ptr | |
909 | * @priv: file handle | |
910 | * @timings: digital video timings | |
911 | */ | |
912 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
913 | struct v4l2_dv_timings *timings) | |
914 | { | |
1093c590 | 915 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
916 | struct video_device *vdev = video_devdata(file); |
917 | struct channel_obj *ch = video_get_drvdata(vdev); | |
c027e165 | 918 | struct vpif_params *vpifparams = &ch->vpifparams; |
1093c590 | 919 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
c027e165 MR |
920 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; |
921 | struct video_obj *vid_ch = &ch->video; | |
0598c17b | 922 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
1093c590 LP |
923 | struct vpif_display_chan_config *chan_cfg; |
924 | struct v4l2_output output; | |
c027e165 MR |
925 | int ret; |
926 | ||
1093c590 LP |
927 | if (config->chan_config[ch->channel_id].outputs == NULL) |
928 | return -ENODATA; | |
929 | ||
930 | chan_cfg = &config->chan_config[ch->channel_id]; | |
931 | output = chan_cfg->outputs[ch->output_idx].output; | |
932 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
933 | return -ENODATA; | |
934 | ||
935 | if (vb2_is_busy(&common->buffer_queue)) | |
936 | return -EBUSY; | |
937 | ||
c027e165 MR |
938 | if (timings->type != V4L2_DV_BT_656_1120) { |
939 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
940 | return -EINVAL; | |
941 | } | |
942 | ||
943 | /* Configure subdevice timings, if any */ | |
882084ad | 944 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
2bd4e58c LP |
945 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
946 | ret = 0; | |
947 | if (ret < 0) { | |
c027e165 MR |
948 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); |
949 | return ret; | |
950 | } | |
951 | ||
952 | if (!(timings->bt.width && timings->bt.height && | |
953 | (timings->bt.hbackporch || | |
954 | timings->bt.hfrontporch || | |
955 | timings->bt.hsync) && | |
956 | timings->bt.vfrontporch && | |
957 | (timings->bt.vbackporch || | |
958 | timings->bt.vsync))) { | |
959 | vpif_dbg(2, debug, "Timings for width, height, " | |
960 | "horizontal back porch, horizontal sync, " | |
961 | "horizontal front porch, vertical back porch, " | |
962 | "vertical sync and vertical back porch " | |
963 | "must be defined\n"); | |
964 | return -EINVAL; | |
965 | } | |
966 | ||
0598c17b | 967 | vid_ch->dv_timings = *timings; |
c027e165 MR |
968 | |
969 | /* Configure video port timings */ | |
970 | ||
e3655268 | 971 | std_info->eav2sav = V4L2_DV_BT_BLANKING_WIDTH(bt) - 8; |
c027e165 MR |
972 | std_info->sav2eav = bt->width; |
973 | ||
974 | std_info->l1 = 1; | |
975 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
976 | ||
e3655268 | 977 | std_info->vsize = V4L2_DV_BT_FRAME_HEIGHT(bt); |
c027e165 MR |
978 | if (bt->interlaced) { |
979 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
c027e165 MR |
980 | std_info->l5 = std_info->vsize/2 - |
981 | (bt->vfrontporch - 1); | |
982 | std_info->l7 = std_info->vsize/2 + 1; | |
983 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
984 | bt->il_vbackporch + 1; | |
985 | std_info->l11 = std_info->vsize - | |
986 | (bt->il_vfrontporch - 1); | |
987 | } else { | |
988 | vpif_dbg(2, debug, "Required timing values for " | |
989 | "interlaced BT format missing\n"); | |
990 | return -EINVAL; | |
991 | } | |
992 | } else { | |
c027e165 MR |
993 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); |
994 | } | |
995 | strncpy(std_info->name, "Custom timings BT656/1120", | |
996 | VPIF_MAX_NAME); | |
997 | std_info->width = bt->width; | |
998 | std_info->height = bt->height; | |
999 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1000 | std_info->ycmux_mode = 0; | |
1001 | std_info->capture_format = 0; | |
1002 | std_info->vbi_supported = 0; | |
1003 | std_info->hd_sd = 1; | |
1004 | std_info->stdid = 0; | |
c027e165 | 1005 | vid_ch->stdid = 0; |
c027e165 MR |
1006 | |
1007 | return 0; | |
1008 | } | |
1009 | ||
1010 | /** | |
1011 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1012 | * @file: file ptr | |
1013 | * @priv: file handle | |
1014 | * @timings: digital video timings | |
1015 | */ | |
1016 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1017 | struct v4l2_dv_timings *timings) | |
1018 | { | |
1093c590 | 1019 | struct vpif_display_config *config = vpif_dev->platform_data; |
fcc22af2 LP |
1020 | struct video_device *vdev = video_devdata(file); |
1021 | struct channel_obj *ch = video_get_drvdata(vdev); | |
1093c590 | 1022 | struct vpif_display_chan_config *chan_cfg; |
c027e165 | 1023 | struct video_obj *vid_ch = &ch->video; |
1093c590 LP |
1024 | struct v4l2_output output; |
1025 | ||
1026 | if (config->chan_config[ch->channel_id].outputs == NULL) | |
1027 | goto error; | |
1028 | ||
1029 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1030 | output = chan_cfg->outputs[ch->output_idx].output; | |
1031 | ||
1032 | if (output.capabilities != V4L2_OUT_CAP_DV_TIMINGS) | |
1033 | goto error; | |
c027e165 | 1034 | |
0598c17b | 1035 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1036 | |
1037 | return 0; | |
1093c590 LP |
1038 | error: |
1039 | return -ENODATA; | |
c027e165 | 1040 | } |
7036d6a7 | 1041 | |
7036d6a7 MR |
1042 | /* |
1043 | * vpif_log_status() - Status information | |
1044 | * @file: file ptr | |
1045 | * @priv: file handle | |
1046 | * | |
1047 | * Returns zero. | |
1048 | */ | |
1049 | static int vpif_log_status(struct file *filep, void *priv) | |
1050 | { | |
1051 | /* status for sub devices */ | |
1052 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1053 | ||
1054 | return 0; | |
1055 | } | |
1056 | ||
e7332e3a C |
1057 | /* vpif display ioctl operations */ |
1058 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
dcce8669 | 1059 | .vidioc_querycap = vpif_querycap, |
e7332e3a | 1060 | .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, |
dcce8669 LP |
1061 | .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, |
1062 | .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, | |
1063 | .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, | |
b92cde17 LP |
1064 | |
1065 | .vidioc_reqbufs = vb2_ioctl_reqbufs, | |
1066 | .vidioc_create_bufs = vb2_ioctl_create_bufs, | |
1067 | .vidioc_querybuf = vb2_ioctl_querybuf, | |
1068 | .vidioc_qbuf = vb2_ioctl_qbuf, | |
1069 | .vidioc_dqbuf = vb2_ioctl_dqbuf, | |
1070 | .vidioc_expbuf = vb2_ioctl_expbuf, | |
1071 | .vidioc_streamon = vb2_ioctl_streamon, | |
1072 | .vidioc_streamoff = vb2_ioctl_streamoff, | |
1073 | ||
dcce8669 | 1074 | .vidioc_s_std = vpif_s_std, |
e7332e3a | 1075 | .vidioc_g_std = vpif_g_std, |
dcce8669 | 1076 | |
e7332e3a C |
1077 | .vidioc_enum_output = vpif_enum_output, |
1078 | .vidioc_s_output = vpif_s_output, | |
1079 | .vidioc_g_output = vpif_g_output, | |
dcce8669 LP |
1080 | |
1081 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, | |
1082 | .vidioc_s_dv_timings = vpif_s_dv_timings, | |
1083 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
1084 | ||
7036d6a7 | 1085 | .vidioc_log_status = vpif_log_status, |
e7332e3a C |
1086 | }; |
1087 | ||
1088 | static const struct v4l2_file_operations vpif_fops = { | |
1089 | .owner = THIS_MODULE, | |
fcc22af2 LP |
1090 | .open = v4l2_fh_open, |
1091 | .release = vb2_fop_release, | |
9bfaae24 | 1092 | .unlocked_ioctl = video_ioctl2, |
4be2153c LP |
1093 | .mmap = vb2_fop_mmap, |
1094 | .poll = vb2_fop_poll | |
e7332e3a C |
1095 | }; |
1096 | ||
e7332e3a C |
1097 | /*Configure the channels, buffer sizei, request irq */ |
1098 | static int initialize_vpif(void) | |
1099 | { | |
1100 | int free_channel_objects_index; | |
d5b94b99 | 1101 | int err, i, j; |
e7332e3a C |
1102 | |
1103 | /* Allocate memory for six channel objects */ | |
1104 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1105 | vpif_obj.dev[i] = | |
1f8766b4 | 1106 | kzalloc(sizeof(struct channel_obj), GFP_KERNEL); |
e7332e3a C |
1107 | /* If memory allocation fails, return error */ |
1108 | if (!vpif_obj.dev[i]) { | |
1109 | free_channel_objects_index = i; | |
1110 | err = -ENOMEM; | |
1111 | goto vpif_init_free_channel_objects; | |
1112 | } | |
1113 | } | |
1114 | ||
e7332e3a C |
1115 | return 0; |
1116 | ||
1117 | vpif_init_free_channel_objects: | |
1118 | for (j = 0; j < free_channel_objects_index; j++) | |
1119 | kfree(vpif_obj.dev[j]); | |
1120 | return err; | |
1121 | } | |
1122 | ||
4b8a531e LP |
1123 | static int vpif_async_bound(struct v4l2_async_notifier *notifier, |
1124 | struct v4l2_subdev *subdev, | |
1125 | struct v4l2_async_subdev *asd) | |
1126 | { | |
1127 | int i; | |
1128 | ||
1129 | for (i = 0; i < vpif_obj.config->subdev_count; i++) | |
1130 | if (!strcmp(vpif_obj.config->subdevinfo[i].name, | |
1131 | subdev->name)) { | |
1132 | vpif_obj.sd[i] = subdev; | |
1133 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1134 | return 0; | |
1135 | } | |
1136 | ||
1137 | return -EINVAL; | |
1138 | } | |
1139 | ||
1140 | static int vpif_probe_complete(void) | |
1141 | { | |
1142 | struct common_obj *common; | |
4be2153c | 1143 | struct video_device *vdev; |
4b8a531e | 1144 | struct channel_obj *ch; |
a2b235cb | 1145 | struct vb2_queue *q; |
4b8a531e LP |
1146 | int j, err, k; |
1147 | ||
1148 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { | |
1149 | ch = vpif_obj.dev[j]; | |
1150 | /* Initialize field of the channel objects */ | |
4b8a531e | 1151 | for (k = 0; k < VPIF_NUMOBJECTS; k++) { |
4b8a531e | 1152 | common = &ch->common[k]; |
4b8a531e LP |
1153 | spin_lock_init(&common->irqlock); |
1154 | mutex_init(&common->lock); | |
4b8a531e LP |
1155 | common->set_addr = NULL; |
1156 | common->ytop_off = 0; | |
1157 | common->ybtm_off = 0; | |
1158 | common->ctop_off = 0; | |
1159 | common->cbtm_off = 0; | |
1160 | common->cur_frm = NULL; | |
1161 | common->next_frm = NULL; | |
1162 | memset(&common->fmt, 0, sizeof(common->fmt)); | |
4b8a531e LP |
1163 | } |
1164 | ch->initialized = 0; | |
1165 | if (vpif_obj.config->subdev_count) | |
1166 | ch->sd = vpif_obj.sd[0]; | |
1167 | ch->channel_id = j; | |
4b8a531e LP |
1168 | |
1169 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
1170 | ||
4b8a531e LP |
1171 | ch->common[VPIF_VIDEO_INDEX].fmt.type = |
1172 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
4b8a531e LP |
1173 | |
1174 | /* select output 0 */ | |
1175 | err = vpif_set_output(vpif_obj.config, ch, 0); | |
1176 | if (err) | |
1177 | goto probe_out; | |
1178 | ||
9cba6534 LP |
1179 | /* set initial format */ |
1180 | ch->video.stdid = V4L2_STD_525_60; | |
1181 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); | |
1182 | vpif_update_resolution(ch); | |
1183 | ||
a2b235cb LP |
1184 | /* Initialize vb2 queue */ |
1185 | q = &common->buffer_queue; | |
1186 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
1187 | q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF; | |
1188 | q->drv_priv = ch; | |
1189 | q->ops = &video_qops; | |
1190 | q->mem_ops = &vb2_dma_contig_memops; | |
1191 | q->buf_struct_size = sizeof(struct vpif_disp_buffer); | |
1192 | q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; | |
1193 | q->min_buffers_needed = 1; | |
d10ed5c1 | 1194 | q->lock = &common->lock; |
a2b235cb LP |
1195 | err = vb2_queue_init(q); |
1196 | if (err) { | |
1197 | vpif_err("vpif_display: vb2_queue_init() failed\n"); | |
1198 | goto probe_out; | |
1199 | } | |
1200 | ||
1201 | common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); | |
1202 | if (IS_ERR(common->alloc_ctx)) { | |
1203 | vpif_err("Failed to get the context\n"); | |
1204 | err = PTR_ERR(common->alloc_ctx); | |
1205 | goto probe_out; | |
1206 | } | |
1207 | ||
1208 | INIT_LIST_HEAD(&common->dma_queue); | |
1209 | ||
4b8a531e LP |
1210 | /* register video device */ |
1211 | vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", | |
1212 | (int)ch, (int)&ch->video_dev); | |
1213 | ||
76c4c2be | 1214 | /* Initialize the video_device structure */ |
4be2153c | 1215 | vdev = ch->video_dev; |
76c4c2be LP |
1216 | strlcpy(vdev->name, VPIF_DRIVER_NAME, sizeof(vdev->name)); |
1217 | vdev->release = video_device_release; | |
1218 | vdev->fops = &vpif_fops; | |
1219 | vdev->ioctl_ops = &vpif_ioctl_ops; | |
1220 | vdev->v4l2_dev = &vpif_obj.v4l2_dev; | |
1221 | vdev->vfl_dir = VFL_DIR_TX; | |
4be2153c | 1222 | vdev->queue = q; |
fcc22af2 LP |
1223 | vdev->lock = &common->lock; |
1224 | set_bit(V4L2_FL_USE_FH_PRIO, &vdev->flags); | |
1225 | video_set_drvdata(ch->video_dev, ch); | |
4be2153c LP |
1226 | err = video_register_device(vdev, VFL_TYPE_GRABBER, |
1227 | (j ? 3 : 2)); | |
4b8a531e LP |
1228 | if (err < 0) |
1229 | goto probe_out; | |
1230 | } | |
1231 | ||
1232 | return 0; | |
1233 | ||
1234 | probe_out: | |
1235 | for (k = 0; k < j; k++) { | |
1236 | ch = vpif_obj.dev[k]; | |
a2b235cb LP |
1237 | common = &ch->common[k]; |
1238 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
4b8a531e LP |
1239 | video_unregister_device(ch->video_dev); |
1240 | video_device_release(ch->video_dev); | |
1241 | ch->video_dev = NULL; | |
1242 | } | |
1243 | return err; | |
1244 | } | |
1245 | ||
1246 | static int vpif_async_complete(struct v4l2_async_notifier *notifier) | |
1247 | { | |
1248 | return vpif_probe_complete(); | |
1249 | } | |
1250 | ||
e7332e3a C |
1251 | /* |
1252 | * vpif_probe: This function creates device entries by register itself to the | |
1253 | * V4L2 driver and initializes fields of each channel objects | |
1254 | */ | |
1255 | static __init int vpif_probe(struct platform_device *pdev) | |
1256 | { | |
317b2e2f | 1257 | struct vpif_subdev_info *subdevdata; |
4b8a531e | 1258 | int i, j = 0, err = 0; |
01b1d975 | 1259 | int res_idx = 0; |
e7332e3a | 1260 | struct i2c_adapter *i2c_adap; |
e7332e3a C |
1261 | struct channel_obj *ch; |
1262 | struct video_device *vfd; | |
1263 | struct resource *res; | |
1264 | int subdev_count; | |
1265 | ||
1266 | vpif_dev = &pdev->dev; | |
317b2e2f | 1267 | err = initialize_vpif(); |
e7332e3a | 1268 | |
317b2e2f MK |
1269 | if (err) { |
1270 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1271 | return err; | |
e7332e3a C |
1272 | } |
1273 | ||
e7332e3a C |
1274 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1275 | if (err) { | |
1276 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1277 | return err; | |
1278 | } | |
1279 | ||
01b1d975 | 1280 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
379d2cf4 | 1281 | err = devm_request_irq(&pdev->dev, res->start, vpif_channel_isr, |
76c4c2be | 1282 | IRQF_SHARED, VPIF_DRIVER_NAME, |
379d2cf4 LP |
1283 | (void *)(&vpif_obj.dev[res_idx]-> |
1284 | channel_id)); | |
1285 | if (err) { | |
1286 | err = -EINVAL; | |
1287 | vpif_err("VPIF IRQ request failed\n"); | |
1288 | goto vpif_unregister; | |
e7332e3a | 1289 | } |
01b1d975 | 1290 | res_idx++; |
e7332e3a C |
1291 | } |
1292 | ||
1293 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
e7332e3a C |
1294 | /* Get the pointer to the channel object */ |
1295 | ch = vpif_obj.dev[i]; | |
1296 | ||
1297 | /* Allocate memory for video device */ | |
1298 | vfd = video_device_alloc(); | |
1299 | if (vfd == NULL) { | |
1300 | for (j = 0; j < i; j++) { | |
1301 | ch = vpif_obj.dev[j]; | |
1302 | video_device_release(ch->video_dev); | |
1303 | } | |
1304 | err = -ENOMEM; | |
9c63e01e | 1305 | goto vpif_unregister; |
e7332e3a C |
1306 | } |
1307 | ||
e7332e3a C |
1308 | /* Set video_dev to the video device */ |
1309 | ch->video_dev = vfd; | |
1310 | } | |
1311 | ||
4b8a531e LP |
1312 | vpif_obj.config = pdev->dev.platform_data; |
1313 | subdev_count = vpif_obj.config->subdev_count; | |
1314 | subdevdata = vpif_obj.config->subdevinfo; | |
e6067f8b HV |
1315 | vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, |
1316 | GFP_KERNEL); | |
1317 | if (vpif_obj.sd == NULL) { | |
1318 | vpif_err("unable to allocate memory for subdevice pointers\n"); | |
1319 | err = -ENOMEM; | |
01b1d975 | 1320 | goto vpif_sd_error; |
e6067f8b HV |
1321 | } |
1322 | ||
4b8a531e LP |
1323 | if (!vpif_obj.config->asd_sizes) { |
1324 | i2c_adap = i2c_get_adapter(1); | |
1325 | for (i = 0; i < subdev_count; i++) { | |
1326 | vpif_obj.sd[i] = | |
1327 | v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1328 | i2c_adap, | |
1329 | &subdevdata[i]. | |
1330 | board_info, | |
1331 | NULL); | |
1332 | if (!vpif_obj.sd[i]) { | |
1333 | vpif_err("Error registering v4l2 subdevice\n"); | |
9d3e976b | 1334 | err = -ENODEV; |
4b8a531e LP |
1335 | goto probe_subdev_out; |
1336 | } | |
e7332e3a | 1337 | |
4b8a531e LP |
1338 | if (vpif_obj.sd[i]) |
1339 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1340 | } | |
1341 | vpif_probe_complete(); | |
1342 | } else { | |
e8419d08 | 1343 | vpif_obj.notifier.subdevs = vpif_obj.config->asd; |
4b8a531e LP |
1344 | vpif_obj.notifier.num_subdevs = vpif_obj.config->asd_sizes[0]; |
1345 | vpif_obj.notifier.bound = vpif_async_bound; | |
1346 | vpif_obj.notifier.complete = vpif_async_complete; | |
1347 | err = v4l2_async_notifier_register(&vpif_obj.v4l2_dev, | |
1348 | &vpif_obj.notifier); | |
1349 | if (err) { | |
1350 | vpif_err("Error registering async notifier\n"); | |
1351 | err = -EINVAL; | |
1352 | goto probe_subdev_out; | |
e7332e3a | 1353 | } |
e7332e3a C |
1354 | } |
1355 | ||
1356 | return 0; | |
1357 | ||
e6067f8b HV |
1358 | probe_subdev_out: |
1359 | kfree(vpif_obj.sd); | |
01b1d975 HV |
1360 | vpif_sd_error: |
1361 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1362 | ch = vpif_obj.dev[i]; | |
1363 | /* Note: does nothing if ch->video_dev == NULL */ | |
1364 | video_device_release(ch->video_dev); | |
1365 | } | |
9c63e01e | 1366 | vpif_unregister: |
e7332e3a | 1367 | v4l2_device_unregister(&vpif_obj.v4l2_dev); |
e7332e3a C |
1368 | |
1369 | return err; | |
1370 | } | |
1371 | ||
1372 | /* | |
1373 | * vpif_remove: It un-register channels from V4L2 driver | |
1374 | */ | |
1375 | static int vpif_remove(struct platform_device *device) | |
1376 | { | |
a2b235cb | 1377 | struct common_obj *common; |
e7332e3a | 1378 | struct channel_obj *ch; |
9c63e01e | 1379 | int i; |
e7332e3a C |
1380 | |
1381 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1382 | ||
0b361583 | 1383 | kfree(vpif_obj.sd); |
e7332e3a C |
1384 | /* un-register device */ |
1385 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1386 | /* Get the pointer to the channel object */ | |
1387 | ch = vpif_obj.dev[i]; | |
a2b235cb LP |
1388 | common = &ch->common[i]; |
1389 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
e7332e3a C |
1390 | /* Unregister video device */ |
1391 | video_unregister_device(ch->video_dev); | |
1392 | ||
1393 | ch->video_dev = NULL; | |
0b361583 | 1394 | kfree(vpif_obj.dev[i]); |
e7332e3a C |
1395 | } |
1396 | ||
1397 | return 0; | |
1398 | } | |
1399 | ||
ba1902e3 | 1400 | #ifdef CONFIG_PM_SLEEP |
e9530dac MH |
1401 | static int vpif_suspend(struct device *dev) |
1402 | { | |
1403 | struct common_obj *common; | |
1404 | struct channel_obj *ch; | |
1405 | int i; | |
1406 | ||
1407 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1408 | /* Get the pointer to the channel object */ | |
1409 | ch = vpif_obj.dev[i]; | |
1410 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 LP |
1411 | |
1412 | if (!vb2_is_streaming(&common->buffer_queue)) | |
1413 | continue; | |
1414 | ||
e9530dac | 1415 | mutex_lock(&common->lock); |
ba1902e3 LP |
1416 | /* Disable channel */ |
1417 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1418 | enable_channel2(0); | |
1419 | channel2_intr_enable(0); | |
1420 | } | |
1421 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1422 | ycmux_mode == 2) { | |
1423 | enable_channel3(0); | |
1424 | channel3_intr_enable(0); | |
e9530dac MH |
1425 | } |
1426 | mutex_unlock(&common->lock); | |
1427 | } | |
1428 | ||
1429 | return 0; | |
1430 | } | |
1431 | ||
1432 | static int vpif_resume(struct device *dev) | |
1433 | { | |
1434 | ||
1435 | struct common_obj *common; | |
1436 | struct channel_obj *ch; | |
1437 | int i; | |
1438 | ||
1439 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1440 | /* Get the pointer to the channel object */ | |
1441 | ch = vpif_obj.dev[i]; | |
1442 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
ba1902e3 LP |
1443 | |
1444 | if (!vb2_is_streaming(&common->buffer_queue)) | |
1445 | continue; | |
1446 | ||
e9530dac | 1447 | mutex_lock(&common->lock); |
ba1902e3 LP |
1448 | /* Enable channel */ |
1449 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1450 | enable_channel2(1); | |
1451 | channel2_intr_enable(1); | |
1452 | } | |
1453 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1454 | ycmux_mode == 2) { | |
1455 | enable_channel3(1); | |
1456 | channel3_intr_enable(1); | |
e9530dac MH |
1457 | } |
1458 | mutex_unlock(&common->lock); | |
1459 | } | |
1460 | ||
1461 | return 0; | |
1462 | } | |
1463 | ||
e9530dac MH |
1464 | #endif |
1465 | ||
ba1902e3 LP |
1466 | static SIMPLE_DEV_PM_OPS(vpif_pm_ops, vpif_suspend, vpif_resume); |
1467 | ||
ffa1b391 | 1468 | static __refdata struct platform_driver vpif_driver = { |
e7332e3a | 1469 | .driver = { |
76c4c2be | 1470 | .name = VPIF_DRIVER_NAME, |
e7332e3a | 1471 | .owner = THIS_MODULE, |
ba1902e3 | 1472 | .pm = &vpif_pm_ops, |
e7332e3a C |
1473 | }, |
1474 | .probe = vpif_probe, | |
1475 | .remove = vpif_remove, | |
1476 | }; | |
1477 | ||
b8d067b6 | 1478 | module_platform_driver(vpif_driver); |