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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/ | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License as | |
9 | * published by the Free Software Foundation version 2. | |
10 | * | |
11 | * This program is distributed .as is. WITHOUT ANY WARRANTY of any | |
12 | * kind, whether express or implied; without even the implied warranty | |
13 | * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | */ | |
16 | ||
e7332e3a | 17 | #include <linux/interrupt.h> |
012eef70 | 18 | #include <linux/module.h> |
e7332e3a | 19 | #include <linux/platform_device.h> |
5a0e3ad6 | 20 | #include <linux/slab.h> |
e7332e3a | 21 | |
012eef70 | 22 | #include <media/v4l2-ioctl.h> |
e7332e3a | 23 | |
e7332e3a | 24 | #include "vpif.h" |
012eef70 | 25 | #include "vpif_display.h" |
e7332e3a C |
26 | |
27 | MODULE_DESCRIPTION("TI DaVinci VPIF Display driver"); | |
28 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 29 | MODULE_VERSION(VPIF_DISPLAY_VERSION); |
e7332e3a | 30 | |
0a63172a | 31 | #define VPIF_V4L2_STD (V4L2_STD_525_60 | V4L2_STD_625_50) |
e7332e3a C |
32 | |
33 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
34 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
35 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
36 | ||
37 | static int debug = 1; | |
38 | static u32 ch2_numbuffers = 3; | |
39 | static u32 ch3_numbuffers = 3; | |
40 | static u32 ch2_bufsize = 1920 * 1080 * 2; | |
41 | static u32 ch3_bufsize = 720 * 576 * 2; | |
42 | ||
43 | module_param(debug, int, 0644); | |
44 | module_param(ch2_numbuffers, uint, S_IRUGO); | |
45 | module_param(ch3_numbuffers, uint, S_IRUGO); | |
46 | module_param(ch2_bufsize, uint, S_IRUGO); | |
47 | module_param(ch3_bufsize, uint, S_IRUGO); | |
48 | ||
49 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
50 | MODULE_PARM_DESC(ch2_numbuffers, "Channel2 buffer count (default:3)"); | |
51 | MODULE_PARM_DESC(ch3_numbuffers, "Channel3 buffer count (default:3)"); | |
52 | MODULE_PARM_DESC(ch2_bufsize, "Channel2 buffer size (default:1920 x 1080 x 2)"); | |
53 | MODULE_PARM_DESC(ch3_bufsize, "Channel3 buffer size (default:720 x 576 x 2)"); | |
54 | ||
55 | static struct vpif_config_params config_params = { | |
56 | .min_numbuffers = 3, | |
57 | .numbuffers[0] = 3, | |
58 | .numbuffers[1] = 3, | |
59 | .min_bufsize[0] = 720 * 480 * 2, | |
60 | .min_bufsize[1] = 720 * 480 * 2, | |
61 | .channel_bufsize[0] = 1920 * 1080 * 2, | |
62 | .channel_bufsize[1] = 720 * 576 * 2, | |
63 | }; | |
64 | ||
65 | static struct vpif_device vpif_obj = { {NULL} }; | |
66 | static struct device *vpif_dev; | |
2401dd25 LP |
67 | static void vpif_calculate_offsets(struct channel_obj *ch); |
68 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
e7332e3a | 69 | |
e7332e3a | 70 | /* |
2401dd25 | 71 | * buffer_prepare: This is the callback function called from vb2_qbuf() |
e7332e3a C |
72 | * function the buffer is prepared and user space virtual address is converted |
73 | * into physical address | |
74 | */ | |
2401dd25 | 75 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
e7332e3a | 76 | { |
2401dd25 LP |
77 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
78 | struct vb2_queue *q = vb->vb2_queue; | |
e7332e3a C |
79 | struct common_obj *common; |
80 | unsigned long addr; | |
81 | ||
82 | common = &fh->channel->common[VPIF_VIDEO_INDEX]; | |
2401dd25 LP |
83 | if (vb->state != VB2_BUF_STATE_ACTIVE && |
84 | vb->state != VB2_BUF_STATE_PREPARED) { | |
85 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); | |
86 | if (vb2_plane_vaddr(vb, 0) && | |
87 | vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
e7332e3a | 88 | goto buf_align_exit; |
e7332e3a | 89 | |
2401dd25 LP |
90 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
91 | if (q->streaming && | |
92 | (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) { | |
93 | if (!ISALIGNED(addr + common->ytop_off) || | |
94 | !ISALIGNED(addr + common->ybtm_off) || | |
95 | !ISALIGNED(addr + common->ctop_off) || | |
96 | !ISALIGNED(addr + common->cbtm_off)) | |
97 | goto buf_align_exit; | |
98 | } | |
e7332e3a C |
99 | } |
100 | return 0; | |
101 | ||
102 | buf_align_exit: | |
103 | vpif_err("buffer offset not aligned to 8 bytes\n"); | |
104 | return -EINVAL; | |
105 | } | |
106 | ||
107 | /* | |
2401dd25 | 108 | * vpif_buffer_queue_setup: This function allocates memory for the buffers |
e7332e3a | 109 | */ |
2401dd25 LP |
110 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
111 | const struct v4l2_format *fmt, | |
112 | unsigned int *nbuffers, unsigned int *nplanes, | |
113 | unsigned int sizes[], void *alloc_ctxs[]) | |
e7332e3a | 114 | { |
2401dd25 | 115 | struct vpif_fh *fh = vb2_get_drv_priv(vq); |
e7332e3a C |
116 | struct channel_obj *ch = fh->channel; |
117 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
2401dd25 LP |
118 | unsigned long size; |
119 | ||
120 | if (V4L2_MEMORY_MMAP == common->memory) { | |
121 | size = config_params.channel_bufsize[ch->channel_id]; | |
122 | /* | |
123 | * Checking if the buffer size exceeds the available buffer | |
124 | * ycmux_mode = 0 means 1 channel mode HD and | |
125 | * ycmux_mode = 1 means 2 channels mode SD | |
126 | */ | |
127 | if (ch->vpifparams.std_info.ycmux_mode == 0) { | |
128 | if (config_params.video_limit[ch->channel_id]) | |
129 | while (size * *nbuffers > | |
130 | (config_params.video_limit[0] | |
131 | + config_params.video_limit[1])) | |
132 | (*nbuffers)--; | |
133 | } else { | |
134 | if (config_params.video_limit[ch->channel_id]) | |
135 | while (size * *nbuffers > | |
fc613d44 | 136 | config_params.video_limit[ch->channel_id]) |
2401dd25 LP |
137 | (*nbuffers)--; |
138 | } | |
139 | } else { | |
140 | size = common->fmt.fmt.pix.sizeimage; | |
fc613d44 MH |
141 | } |
142 | ||
2401dd25 LP |
143 | if (*nbuffers < config_params.min_numbuffers) |
144 | *nbuffers = config_params.min_numbuffers; | |
e7332e3a | 145 | |
2401dd25 LP |
146 | *nplanes = 1; |
147 | sizes[0] = size; | |
148 | alloc_ctxs[0] = common->alloc_ctx; | |
e7332e3a C |
149 | return 0; |
150 | } | |
151 | ||
152 | /* | |
153 | * vpif_buffer_queue: This function adds the buffer to DMA queue | |
154 | */ | |
2401dd25 | 155 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
e7332e3a | 156 | { |
2401dd25 LP |
157 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
158 | struct vpif_disp_buffer *buf = container_of(vb, | |
159 | struct vpif_disp_buffer, vb); | |
160 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 161 | struct common_obj *common; |
c4697d7f | 162 | unsigned long flags; |
e7332e3a | 163 | |
2401dd25 | 164 | common = &ch->common[VPIF_VIDEO_INDEX]; |
e7332e3a C |
165 | |
166 | /* add the buffer to the DMA queue */ | |
c4697d7f | 167 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 168 | list_add_tail(&buf->list, &common->dma_queue); |
c4697d7f | 169 | spin_unlock_irqrestore(&common->irqlock, flags); |
e7332e3a C |
170 | } |
171 | ||
172 | /* | |
2401dd25 | 173 | * vpif_buf_cleanup: This function is called from the videobuf2 layer to |
e7332e3a C |
174 | * free memory allocated to the buffers |
175 | */ | |
2401dd25 | 176 | static void vpif_buf_cleanup(struct vb2_buffer *vb) |
e7332e3a | 177 | { |
2401dd25 LP |
178 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
179 | struct vpif_disp_buffer *buf = container_of(vb, | |
180 | struct vpif_disp_buffer, vb); | |
e7332e3a C |
181 | struct channel_obj *ch = fh->channel; |
182 | struct common_obj *common; | |
2401dd25 | 183 | unsigned long flags; |
e7332e3a C |
184 | |
185 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
186 | ||
2401dd25 LP |
187 | spin_lock_irqsave(&common->irqlock, flags); |
188 | if (vb->state == VB2_BUF_STATE_ACTIVE) | |
189 | list_del_init(&buf->list); | |
190 | spin_unlock_irqrestore(&common->irqlock, flags); | |
191 | } | |
192 | ||
193 | static void vpif_wait_prepare(struct vb2_queue *vq) | |
194 | { | |
195 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
196 | struct channel_obj *ch = fh->channel; | |
197 | struct common_obj *common; | |
198 | ||
199 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
200 | mutex_unlock(&common->lock); | |
201 | } | |
e7332e3a | 202 | |
2401dd25 LP |
203 | static void vpif_wait_finish(struct vb2_queue *vq) |
204 | { | |
205 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
206 | struct channel_obj *ch = fh->channel; | |
207 | struct common_obj *common; | |
e7332e3a | 208 | |
2401dd25 LP |
209 | common = &ch->common[VPIF_VIDEO_INDEX]; |
210 | mutex_lock(&common->lock); | |
211 | } | |
212 | ||
213 | static int vpif_buffer_init(struct vb2_buffer *vb) | |
214 | { | |
215 | struct vpif_disp_buffer *buf = container_of(vb, | |
216 | struct vpif_disp_buffer, vb); | |
217 | ||
218 | INIT_LIST_HEAD(&buf->list); | |
219 | ||
220 | return 0; | |
e7332e3a C |
221 | } |
222 | ||
e7332e3a C |
223 | static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; |
224 | ||
2401dd25 LP |
225 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
226 | { | |
227 | struct vpif_display_config *vpif_config_data = | |
228 | vpif_dev->platform_data; | |
229 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
230 | struct channel_obj *ch = fh->channel; | |
231 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
232 | struct vpif_params *vpif = &ch->vpifparams; | |
233 | unsigned long addr = 0; | |
c4697d7f | 234 | unsigned long flags; |
2401dd25 LP |
235 | int ret; |
236 | ||
237 | /* If buffer queue is empty, return error */ | |
c4697d7f | 238 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 239 | if (list_empty(&common->dma_queue)) { |
c4697d7f | 240 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
241 | vpif_err("buffer queue is empty\n"); |
242 | return -EIO; | |
243 | } | |
244 | ||
245 | /* Get the next frame from the buffer queue */ | |
246 | common->next_frm = common->cur_frm = | |
247 | list_entry(common->dma_queue.next, | |
248 | struct vpif_disp_buffer, list); | |
249 | ||
250 | list_del(&common->cur_frm->list); | |
c4697d7f | 251 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
252 | /* Mark state of the current frame to active */ |
253 | common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; | |
254 | ||
255 | /* Initialize field_id and started member */ | |
256 | ch->field_id = 0; | |
257 | common->started = 1; | |
258 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0); | |
259 | /* Calculate the offset for Y and C data in the buffer */ | |
260 | vpif_calculate_offsets(ch); | |
261 | ||
262 | if ((ch->vpifparams.std_info.frm_fmt && | |
263 | ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE) | |
264 | && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY))) | |
265 | || (!ch->vpifparams.std_info.frm_fmt | |
266 | && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) { | |
267 | vpif_err("conflict in field format and std format\n"); | |
268 | return -EINVAL; | |
269 | } | |
270 | ||
271 | /* clock settings */ | |
f4ad8d74 LP |
272 | if (vpif_config_data->set_clock) { |
273 | ret = vpif_config_data->set_clock(ch->vpifparams.std_info. | |
274 | ycmux_mode, ch->vpifparams.std_info.hd_sd); | |
275 | if (ret < 0) { | |
276 | vpif_err("can't set clock\n"); | |
277 | return ret; | |
278 | } | |
2401dd25 LP |
279 | } |
280 | ||
281 | /* set the parameters and addresses */ | |
282 | ret = vpif_set_video_params(vpif, ch->channel_id + 2); | |
283 | if (ret < 0) | |
284 | return ret; | |
285 | ||
286 | common->started = ret; | |
287 | vpif_config_addr(ch, ret); | |
288 | common->set_addr((addr + common->ytop_off), | |
289 | (addr + common->ybtm_off), | |
290 | (addr + common->ctop_off), | |
291 | (addr + common->cbtm_off)); | |
292 | ||
293 | /* Set interrupt for both the fields in VPIF | |
294 | Register enable channel in VPIF register */ | |
9e18404a | 295 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
2401dd25 LP |
296 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { |
297 | channel2_intr_assert(); | |
298 | channel2_intr_enable(1); | |
299 | enable_channel2(1); | |
2bd4e58c | 300 | if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) |
6964b103 | 301 | channel2_clipping_enable(1); |
2401dd25 LP |
302 | } |
303 | ||
304 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) | |
305 | || (common->started == 2)) { | |
306 | channel3_intr_assert(); | |
307 | channel3_intr_enable(1); | |
308 | enable_channel3(1); | |
2bd4e58c | 309 | if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) |
6964b103 | 310 | channel3_clipping_enable(1); |
2401dd25 | 311 | } |
2401dd25 LP |
312 | |
313 | return 0; | |
314 | } | |
315 | ||
316 | /* abort streaming and wait for last buffer */ | |
317 | static int vpif_stop_streaming(struct vb2_queue *vq) | |
318 | { | |
319 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
320 | struct channel_obj *ch = fh->channel; | |
321 | struct common_obj *common; | |
c4697d7f | 322 | unsigned long flags; |
2401dd25 LP |
323 | |
324 | if (!vb2_is_streaming(vq)) | |
325 | return 0; | |
326 | ||
327 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
328 | ||
329 | /* release all active buffers */ | |
c4697d7f | 330 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 LP |
331 | while (!list_empty(&common->dma_queue)) { |
332 | common->next_frm = list_entry(common->dma_queue.next, | |
333 | struct vpif_disp_buffer, list); | |
334 | list_del(&common->next_frm->list); | |
335 | vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); | |
336 | } | |
c4697d7f | 337 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
338 | |
339 | return 0; | |
340 | } | |
341 | ||
342 | static struct vb2_ops video_qops = { | |
343 | .queue_setup = vpif_buffer_queue_setup, | |
344 | .wait_prepare = vpif_wait_prepare, | |
345 | .wait_finish = vpif_wait_finish, | |
346 | .buf_init = vpif_buffer_init, | |
347 | .buf_prepare = vpif_buffer_prepare, | |
348 | .start_streaming = vpif_start_streaming, | |
349 | .stop_streaming = vpif_stop_streaming, | |
350 | .buf_cleanup = vpif_buf_cleanup, | |
351 | .buf_queue = vpif_buffer_queue, | |
352 | }; | |
353 | ||
e7332e3a C |
354 | static void process_progressive_mode(struct common_obj *common) |
355 | { | |
356 | unsigned long addr = 0; | |
357 | ||
c4697d7f | 358 | spin_lock(&common->irqlock); |
e7332e3a C |
359 | /* Get the next buffer from buffer queue */ |
360 | common->next_frm = list_entry(common->dma_queue.next, | |
2401dd25 | 361 | struct vpif_disp_buffer, list); |
e7332e3a | 362 | /* Remove that buffer from the buffer queue */ |
2401dd25 | 363 | list_del(&common->next_frm->list); |
c4697d7f | 364 | spin_unlock(&common->irqlock); |
e7332e3a | 365 | /* Mark status of the buffer as active */ |
2401dd25 | 366 | common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; |
e7332e3a C |
367 | |
368 | /* Set top and bottom field addrs in VPIF registers */ | |
2401dd25 | 369 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb, 0); |
e7332e3a C |
370 | common->set_addr(addr + common->ytop_off, |
371 | addr + common->ybtm_off, | |
372 | addr + common->ctop_off, | |
373 | addr + common->cbtm_off); | |
374 | } | |
375 | ||
376 | static void process_interlaced_mode(int fid, struct common_obj *common) | |
377 | { | |
378 | /* device field id and local field id are in sync */ | |
379 | /* If this is even field */ | |
380 | if (0 == fid) { | |
381 | if (common->cur_frm == common->next_frm) | |
382 | return; | |
383 | ||
384 | /* one frame is displayed If next frame is | |
385 | * available, release cur_frm and move on */ | |
386 | /* Copy frame display time */ | |
8e6057b5 | 387 | v4l2_get_timestamp(&common->cur_frm->vb.v4l2_buf.timestamp); |
e7332e3a | 388 | /* Change status of the cur_frm */ |
2401dd25 LP |
389 | vb2_buffer_done(&common->cur_frm->vb, |
390 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
391 | /* Make cur_frm pointing to next_frm */ |
392 | common->cur_frm = common->next_frm; | |
393 | ||
394 | } else if (1 == fid) { /* odd field */ | |
c4697d7f | 395 | spin_lock(&common->irqlock); |
e7332e3a C |
396 | if (list_empty(&common->dma_queue) |
397 | || (common->cur_frm != common->next_frm)) { | |
c4697d7f | 398 | spin_unlock(&common->irqlock); |
e7332e3a C |
399 | return; |
400 | } | |
c4697d7f | 401 | spin_unlock(&common->irqlock); |
e7332e3a C |
402 | /* one field is displayed configure the next |
403 | * frame if it is available else hold on current | |
404 | * frame */ | |
405 | /* Get next from the buffer queue */ | |
406 | process_progressive_mode(common); | |
e7332e3a C |
407 | } |
408 | } | |
409 | ||
410 | /* | |
411 | * vpif_channel_isr: It changes status of the displayed buffer, takes next | |
412 | * buffer from the queue and sets its address in VPIF registers | |
413 | */ | |
414 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
415 | { | |
416 | struct vpif_device *dev = &vpif_obj; | |
417 | struct channel_obj *ch; | |
418 | struct common_obj *common; | |
419 | enum v4l2_field field; | |
420 | int fid = -1, i; | |
421 | int channel_id = 0; | |
422 | ||
423 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
424 | if (!vpif_intr_status(channel_id + 2)) |
425 | return IRQ_NONE; | |
426 | ||
e7332e3a C |
427 | ch = dev->dev[channel_id]; |
428 | field = ch->common[VPIF_VIDEO_INDEX].fmt.fmt.pix.field; | |
429 | for (i = 0; i < VPIF_NUMOBJECTS; i++) { | |
430 | common = &ch->common[i]; | |
431 | /* If streaming is started in this channel */ | |
432 | if (0 == common->started) | |
433 | continue; | |
434 | ||
435 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
c4697d7f HV |
436 | spin_lock(&common->irqlock); |
437 | if (list_empty(&common->dma_queue)) { | |
438 | spin_unlock(&common->irqlock); | |
e7332e3a | 439 | continue; |
c4697d7f HV |
440 | } |
441 | spin_unlock(&common->irqlock); | |
e7332e3a C |
442 | |
443 | /* Progressive mode */ | |
444 | if (!channel_first_int[i][channel_id]) { | |
445 | /* Mark status of the cur_frm to | |
446 | * done and unlock semaphore on it */ | |
8e6057b5 SA |
447 | v4l2_get_timestamp(&common->cur_frm->vb. |
448 | v4l2_buf.timestamp); | |
2401dd25 LP |
449 | vb2_buffer_done(&common->cur_frm->vb, |
450 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
451 | /* Make cur_frm pointing to next_frm */ |
452 | common->cur_frm = common->next_frm; | |
453 | } | |
454 | ||
455 | channel_first_int[i][channel_id] = 0; | |
456 | process_progressive_mode(common); | |
457 | } else { | |
458 | /* Interlaced mode */ | |
459 | /* If it is first interrupt, ignore it */ | |
460 | ||
461 | if (channel_first_int[i][channel_id]) { | |
462 | channel_first_int[i][channel_id] = 0; | |
463 | continue; | |
464 | } | |
465 | ||
466 | if (0 == i) { | |
467 | ch->field_id ^= 1; | |
468 | /* Get field id from VPIF registers */ | |
469 | fid = vpif_channel_getfid(ch->channel_id + 2); | |
470 | /* If fid does not match with stored field id */ | |
471 | if (fid != ch->field_id) { | |
472 | /* Make them in sync */ | |
473 | if (0 == fid) | |
474 | ch->field_id = fid; | |
475 | ||
476 | return IRQ_HANDLED; | |
477 | } | |
478 | } | |
479 | process_interlaced_mode(fid, common); | |
480 | } | |
481 | } | |
482 | ||
483 | return IRQ_HANDLED; | |
484 | } | |
485 | ||
c027e165 | 486 | static int vpif_update_std_info(struct channel_obj *ch) |
e7332e3a | 487 | { |
e7332e3a C |
488 | struct video_obj *vid_ch = &ch->video; |
489 | struct vpif_params *vpifparams = &ch->vpifparams; | |
490 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
491 | const struct vpif_channel_config_params *config; | |
492 | ||
c027e165 | 493 | int i; |
e7332e3a | 494 | |
c027e165 | 495 | for (i = 0; i < vpif_ch_params_count; i++) { |
ced9b21f | 496 | config = &vpif_ch_params[i]; |
40c8bcea MR |
497 | if (config->hd_sd == 0) { |
498 | vpif_dbg(2, debug, "SD format\n"); | |
499 | if (config->stdid & vid_ch->stdid) { | |
500 | memcpy(std_info, config, sizeof(*config)); | |
501 | break; | |
502 | } | |
e7332e3a C |
503 | } |
504 | } | |
505 | ||
c027e165 MR |
506 | if (i == vpif_ch_params_count) { |
507 | vpif_dbg(1, debug, "Format not found\n"); | |
aa444406 | 508 | return -EINVAL; |
c027e165 MR |
509 | } |
510 | ||
511 | return 0; | |
512 | } | |
513 | ||
514 | static int vpif_update_resolution(struct channel_obj *ch) | |
515 | { | |
516 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
517 | struct video_obj *vid_ch = &ch->video; | |
518 | struct vpif_params *vpifparams = &ch->vpifparams; | |
519 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
520 | ||
0598c17b | 521 | if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height) |
c027e165 MR |
522 | return -EINVAL; |
523 | ||
0598c17b | 524 | if (vid_ch->stdid) { |
c027e165 MR |
525 | if (vpif_update_std_info(ch)) |
526 | return -EINVAL; | |
527 | } | |
e7332e3a C |
528 | |
529 | common->fmt.fmt.pix.width = std_info->width; | |
530 | common->fmt.fmt.pix.height = std_info->height; | |
531 | vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", | |
532 | common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); | |
533 | ||
534 | /* Set height and width paramateres */ | |
c027e165 MR |
535 | common->height = std_info->height; |
536 | common->width = std_info->width; | |
e7332e3a C |
537 | |
538 | return 0; | |
539 | } | |
540 | ||
541 | /* | |
542 | * vpif_calculate_offsets: This function calculates buffers offset for Y and C | |
543 | * in the top and bottom field | |
544 | */ | |
545 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
546 | { | |
547 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
548 | struct vpif_params *vpifparams = &ch->vpifparams; | |
549 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
550 | struct video_obj *vid_ch = &ch->video; | |
551 | unsigned int hpitch, vpitch, sizeimage; | |
552 | ||
553 | if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { | |
554 | if (ch->vpifparams.std_info.frm_fmt) | |
555 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
556 | else | |
557 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
558 | } else { | |
559 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
560 | } | |
561 | ||
2401dd25 | 562 | sizeimage = common->fmt.fmt.pix.sizeimage; |
e7332e3a C |
563 | |
564 | hpitch = common->fmt.fmt.pix.bytesperline; | |
565 | vpitch = sizeimage / (hpitch * 2); | |
566 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
567 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
568 | common->ytop_off = 0; | |
569 | common->ybtm_off = hpitch; | |
570 | common->ctop_off = sizeimage / 2; | |
571 | common->cbtm_off = sizeimage / 2 + hpitch; | |
572 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
573 | common->ytop_off = 0; | |
574 | common->ybtm_off = sizeimage / 4; | |
575 | common->ctop_off = sizeimage / 2; | |
576 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
577 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
578 | common->ybtm_off = 0; | |
579 | common->ytop_off = sizeimage / 4; | |
580 | common->cbtm_off = sizeimage / 2; | |
581 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
582 | } | |
583 | ||
584 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
585 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
586 | vpifparams->video_params.storage_mode = 1; | |
587 | } else { | |
588 | vpifparams->video_params.storage_mode = 0; | |
589 | } | |
590 | ||
591 | if (ch->vpifparams.std_info.frm_fmt == 1) { | |
592 | vpifparams->video_params.hpitch = | |
593 | common->fmt.fmt.pix.bytesperline; | |
594 | } else { | |
595 | if ((field == V4L2_FIELD_ANY) || | |
596 | (field == V4L2_FIELD_INTERLACED)) | |
597 | vpifparams->video_params.hpitch = | |
598 | common->fmt.fmt.pix.bytesperline * 2; | |
599 | else | |
600 | vpifparams->video_params.hpitch = | |
601 | common->fmt.fmt.pix.bytesperline; | |
602 | } | |
603 | ||
604 | ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; | |
605 | } | |
606 | ||
607 | static void vpif_config_format(struct channel_obj *ch) | |
608 | { | |
609 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
610 | ||
611 | common->fmt.fmt.pix.field = V4L2_FIELD_ANY; | |
612 | if (config_params.numbuffers[ch->channel_id] == 0) | |
613 | common->memory = V4L2_MEMORY_USERPTR; | |
614 | else | |
615 | common->memory = V4L2_MEMORY_MMAP; | |
616 | ||
617 | common->fmt.fmt.pix.sizeimage = | |
618 | config_params.channel_bufsize[ch->channel_id]; | |
619 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; | |
620 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
621 | } | |
622 | ||
623 | static int vpif_check_format(struct channel_obj *ch, | |
624 | struct v4l2_pix_format *pixfmt) | |
625 | { | |
626 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
627 | enum v4l2_field field = pixfmt->field; | |
628 | u32 sizeimage, hpitch, vpitch; | |
629 | ||
630 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
631 | goto invalid_fmt_exit; | |
632 | ||
633 | if (!(VPIF_VALID_FIELD(field))) | |
634 | goto invalid_fmt_exit; | |
635 | ||
636 | if (pixfmt->bytesperline <= 0) | |
637 | goto invalid_pitch_exit; | |
638 | ||
2401dd25 | 639 | sizeimage = pixfmt->sizeimage; |
e7332e3a | 640 | |
c027e165 | 641 | if (vpif_update_resolution(ch)) |
e7332e3a | 642 | return -EINVAL; |
e7332e3a C |
643 | |
644 | hpitch = pixfmt->bytesperline; | |
645 | vpitch = sizeimage / (hpitch * 2); | |
646 | ||
647 | /* Check for valid value of pitch */ | |
648 | if ((hpitch < ch->vpifparams.std_info.width) || | |
649 | (vpitch < ch->vpifparams.std_info.height)) | |
650 | goto invalid_pitch_exit; | |
651 | ||
652 | /* Check for 8 byte alignment */ | |
653 | if (!ISALIGNED(hpitch)) { | |
654 | vpif_err("invalid pitch alignment\n"); | |
655 | return -EINVAL; | |
656 | } | |
657 | pixfmt->width = common->fmt.fmt.pix.width; | |
658 | pixfmt->height = common->fmt.fmt.pix.height; | |
659 | ||
660 | return 0; | |
661 | ||
662 | invalid_fmt_exit: | |
663 | vpif_err("invalid field format\n"); | |
664 | return -EINVAL; | |
665 | ||
666 | invalid_pitch_exit: | |
667 | vpif_err("invalid pitch\n"); | |
668 | return -EINVAL; | |
669 | } | |
670 | ||
671 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
672 | { | |
673 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
674 | ||
675 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id) { | |
676 | common->set_addr = ch3_set_videobuf_addr; | |
677 | } else { | |
678 | if (2 == muxmode) | |
679 | common->set_addr = ch2_set_videobuf_addr_yc_nmux; | |
680 | else | |
681 | common->set_addr = ch2_set_videobuf_addr; | |
682 | } | |
683 | } | |
684 | ||
685 | /* | |
686 | * vpif_mmap: It is used to map kernel space buffers into user spaces | |
687 | */ | |
688 | static int vpif_mmap(struct file *filep, struct vm_area_struct *vma) | |
689 | { | |
690 | struct vpif_fh *fh = filep->private_data; | |
2c0ddd17 MR |
691 | struct channel_obj *ch = fh->channel; |
692 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); | |
0b7286d9 | 693 | int ret; |
2c0ddd17 MR |
694 | |
695 | vpif_dbg(2, debug, "vpif_mmap\n"); | |
e7332e3a | 696 | |
0b7286d9 HV |
697 | if (mutex_lock_interruptible(&common->lock)) |
698 | return -ERESTARTSYS; | |
699 | ret = vb2_mmap(&common->buffer_queue, vma); | |
700 | mutex_unlock(&common->lock); | |
701 | return ret; | |
e7332e3a C |
702 | } |
703 | ||
704 | /* | |
705 | * vpif_poll: It is used for select/poll system call | |
706 | */ | |
707 | static unsigned int vpif_poll(struct file *filep, poll_table *wait) | |
708 | { | |
709 | struct vpif_fh *fh = filep->private_data; | |
710 | struct channel_obj *ch = fh->channel; | |
711 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
0b7286d9 | 712 | unsigned int res = 0; |
e7332e3a | 713 | |
0b7286d9 HV |
714 | if (common->started) { |
715 | mutex_lock(&common->lock); | |
716 | res = vb2_poll(&common->buffer_queue, filep, wait); | |
717 | mutex_unlock(&common->lock); | |
718 | } | |
e7332e3a | 719 | |
0b7286d9 | 720 | return res; |
e7332e3a C |
721 | } |
722 | ||
723 | /* | |
724 | * vpif_open: It creates object of file handle structure and stores it in | |
725 | * private_data member of filepointer | |
726 | */ | |
727 | static int vpif_open(struct file *filep) | |
728 | { | |
729 | struct video_device *vdev = video_devdata(filep); | |
0b7286d9 HV |
730 | struct channel_obj *ch = video_get_drvdata(vdev); |
731 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
732 | struct vpif_fh *fh; | |
e7332e3a | 733 | |
e7332e3a | 734 | /* Allocate memory for the file handle object */ |
1f8766b4 | 735 | fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL); |
e7332e3a C |
736 | if (fh == NULL) { |
737 | vpif_err("unable to allocate memory for file handle object\n"); | |
738 | return -ENOMEM; | |
739 | } | |
740 | ||
0b7286d9 HV |
741 | if (mutex_lock_interruptible(&common->lock)) { |
742 | kfree(fh); | |
743 | return -ERESTARTSYS; | |
744 | } | |
e7332e3a C |
745 | /* store pointer to fh in private_data member of filep */ |
746 | filep->private_data = fh; | |
747 | fh->channel = ch; | |
748 | fh->initialized = 0; | |
749 | if (!ch->initialized) { | |
750 | fh->initialized = 1; | |
751 | ch->initialized = 1; | |
752 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
753 | } | |
754 | ||
755 | /* Increment channel usrs counter */ | |
756 | atomic_inc(&ch->usrs); | |
757 | /* Set io_allowed[VPIF_VIDEO_INDEX] member to false */ | |
758 | fh->io_allowed[VPIF_VIDEO_INDEX] = 0; | |
759 | /* Initialize priority of this instance to default priority */ | |
760 | fh->prio = V4L2_PRIORITY_UNSET; | |
761 | v4l2_prio_open(&ch->prio, &fh->prio); | |
0b7286d9 | 762 | mutex_unlock(&common->lock); |
e7332e3a C |
763 | |
764 | return 0; | |
765 | } | |
766 | ||
767 | /* | |
768 | * vpif_release: This function deletes buffer queue, frees the buffers and | |
769 | * the vpif file handle | |
770 | */ | |
771 | static int vpif_release(struct file *filep) | |
772 | { | |
773 | struct vpif_fh *fh = filep->private_data; | |
774 | struct channel_obj *ch = fh->channel; | |
775 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
776 | ||
0b7286d9 | 777 | mutex_lock(&common->lock); |
e7332e3a C |
778 | /* if this instance is doing IO */ |
779 | if (fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
780 | /* Reset io_usrs member of channel object */ | |
781 | common->io_usrs = 0; | |
782 | /* Disable channel */ | |
783 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
784 | enable_channel2(0); | |
785 | channel2_intr_enable(0); | |
786 | } | |
787 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || | |
788 | (2 == common->started)) { | |
789 | enable_channel3(0); | |
790 | channel3_intr_enable(0); | |
791 | } | |
792 | common->started = 0; | |
2401dd25 | 793 | |
e7332e3a | 794 | /* Free buffers allocated */ |
2401dd25 LP |
795 | vb2_queue_release(&common->buffer_queue); |
796 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
797 | ||
e7332e3a C |
798 | common->numbuffers = |
799 | config_params.numbuffers[ch->channel_id]; | |
800 | } | |
801 | ||
e7332e3a C |
802 | /* Decrement channel usrs counter */ |
803 | atomic_dec(&ch->usrs); | |
804 | /* If this file handle has initialize encoder device, reset it */ | |
805 | if (fh->initialized) | |
806 | ch->initialized = 0; | |
807 | ||
808 | /* Close the priority */ | |
ffb4877b | 809 | v4l2_prio_close(&ch->prio, fh->prio); |
e7332e3a C |
810 | filep->private_data = NULL; |
811 | fh->initialized = 0; | |
0b7286d9 | 812 | mutex_unlock(&common->lock); |
e7332e3a C |
813 | kfree(fh); |
814 | ||
815 | return 0; | |
816 | } | |
817 | ||
818 | /* functions implementing ioctls */ | |
2c0ddd17 MR |
819 | /** |
820 | * vpif_querycap() - QUERYCAP handler | |
821 | * @file: file ptr | |
822 | * @priv: file handle | |
823 | * @cap: ptr to v4l2_capability structure | |
824 | */ | |
e7332e3a C |
825 | static int vpif_querycap(struct file *file, void *priv, |
826 | struct v4l2_capability *cap) | |
827 | { | |
317b2e2f | 828 | struct vpif_display_config *config = vpif_dev->platform_data; |
e7332e3a | 829 | |
626d533f LP |
830 | cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; |
831 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
832 | snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev)); | |
833 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", | |
834 | dev_name(vpif_dev)); | |
e7332e3a C |
835 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
836 | ||
837 | return 0; | |
838 | } | |
839 | ||
840 | static int vpif_enum_fmt_vid_out(struct file *file, void *priv, | |
841 | struct v4l2_fmtdesc *fmt) | |
842 | { | |
843 | if (fmt->index != 0) { | |
844 | vpif_err("Invalid format index\n"); | |
845 | return -EINVAL; | |
846 | } | |
847 | ||
848 | /* Fill in the information about format */ | |
849 | fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
850 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
851 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
852 | ||
853 | return 0; | |
854 | } | |
855 | ||
856 | static int vpif_g_fmt_vid_out(struct file *file, void *priv, | |
857 | struct v4l2_format *fmt) | |
858 | { | |
859 | struct vpif_fh *fh = priv; | |
860 | struct channel_obj *ch = fh->channel; | |
861 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
862 | ||
863 | /* Check the validity of the buffer type */ | |
864 | if (common->fmt.type != fmt->type) | |
865 | return -EINVAL; | |
866 | ||
c027e165 | 867 | if (vpif_update_resolution(ch)) |
9bfaae24 HV |
868 | return -EINVAL; |
869 | *fmt = common->fmt; | |
870 | return 0; | |
e7332e3a C |
871 | } |
872 | ||
873 | static int vpif_s_fmt_vid_out(struct file *file, void *priv, | |
874 | struct v4l2_format *fmt) | |
875 | { | |
876 | struct vpif_fh *fh = priv; | |
877 | struct v4l2_pix_format *pixfmt; | |
878 | struct channel_obj *ch = fh->channel; | |
879 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
880 | int ret = 0; | |
881 | ||
882 | if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) | |
883 | || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { | |
884 | if (!fh->initialized) { | |
885 | vpif_dbg(1, debug, "Channel Busy\n"); | |
886 | return -EBUSY; | |
887 | } | |
888 | ||
889 | /* Check for the priority */ | |
ffb4877b | 890 | ret = v4l2_prio_check(&ch->prio, fh->prio); |
e7332e3a C |
891 | if (0 != ret) |
892 | return ret; | |
893 | fh->initialized = 1; | |
894 | } | |
895 | ||
896 | if (common->started) { | |
897 | vpif_dbg(1, debug, "Streaming in progress\n"); | |
898 | return -EBUSY; | |
899 | } | |
900 | ||
901 | pixfmt = &fmt->fmt.pix; | |
902 | /* Check for valid field format */ | |
903 | ret = vpif_check_format(ch, pixfmt); | |
904 | if (ret) | |
905 | return ret; | |
906 | ||
907 | /* store the pix format in the channel object */ | |
908 | common->fmt.fmt.pix = *pixfmt; | |
909 | /* store the format in the channel object */ | |
e7332e3a | 910 | common->fmt = *fmt; |
e7332e3a C |
911 | return 0; |
912 | } | |
913 | ||
914 | static int vpif_try_fmt_vid_out(struct file *file, void *priv, | |
915 | struct v4l2_format *fmt) | |
916 | { | |
917 | struct vpif_fh *fh = priv; | |
918 | struct channel_obj *ch = fh->channel; | |
919 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
920 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; | |
921 | int ret = 0; | |
922 | ||
923 | ret = vpif_check_format(ch, pixfmt); | |
924 | if (ret) { | |
925 | *pixfmt = common->fmt.fmt.pix; | |
926 | pixfmt->sizeimage = pixfmt->width * pixfmt->height * 2; | |
927 | } | |
928 | ||
929 | return ret; | |
930 | } | |
931 | ||
932 | static int vpif_reqbufs(struct file *file, void *priv, | |
933 | struct v4l2_requestbuffers *reqbuf) | |
934 | { | |
935 | struct vpif_fh *fh = priv; | |
936 | struct channel_obj *ch = fh->channel; | |
937 | struct common_obj *common; | |
938 | enum v4l2_field field; | |
2401dd25 | 939 | struct vb2_queue *q; |
e7332e3a | 940 | u8 index = 0; |
b4a711e7 | 941 | int ret; |
e7332e3a C |
942 | |
943 | /* This file handle has not initialized the channel, | |
944 | It is not allowed to do settings */ | |
945 | if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) | |
946 | || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { | |
947 | if (!fh->initialized) { | |
948 | vpif_err("Channel Busy\n"); | |
949 | return -EBUSY; | |
950 | } | |
951 | } | |
952 | ||
953 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != reqbuf->type) | |
954 | return -EINVAL; | |
955 | ||
956 | index = VPIF_VIDEO_INDEX; | |
957 | ||
958 | common = &ch->common[index]; | |
13df4f6a | 959 | |
fc613d44 | 960 | if (common->fmt.type != reqbuf->type || !vpif_dev) |
9bfaae24 | 961 | return -EINVAL; |
9bfaae24 HV |
962 | if (0 != common->io_usrs) |
963 | return -EBUSY; | |
e7332e3a C |
964 | |
965 | if (reqbuf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
966 | if (common->fmt.fmt.pix.field == V4L2_FIELD_ANY) | |
967 | field = V4L2_FIELD_INTERLACED; | |
968 | else | |
969 | field = common->fmt.fmt.pix.field; | |
970 | } else { | |
971 | field = V4L2_VBI_INTERLACED; | |
972 | } | |
2401dd25 LP |
973 | /* Initialize videobuf2 queue as per the buffer type */ |
974 | common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); | |
94b76a88 | 975 | if (IS_ERR(common->alloc_ctx)) { |
2401dd25 | 976 | vpif_err("Failed to get the context\n"); |
94b76a88 | 977 | return PTR_ERR(common->alloc_ctx); |
2401dd25 LP |
978 | } |
979 | q = &common->buffer_queue; | |
980 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
981 | q->io_modes = VB2_MMAP | VB2_USERPTR; | |
982 | q->drv_priv = fh; | |
983 | q->ops = &video_qops; | |
984 | q->mem_ops = &vb2_dma_contig_memops; | |
985 | q->buf_struct_size = sizeof(struct vpif_disp_buffer); | |
6aa69f99 | 986 | q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
e7332e3a | 987 | |
b4a711e7 LP |
988 | ret = vb2_queue_init(q); |
989 | if (ret) { | |
990 | vpif_err("vpif_display: vb2_queue_init() failed\n"); | |
991 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
992 | return ret; | |
993 | } | |
e7332e3a C |
994 | /* Set io allowed member of file handle to TRUE */ |
995 | fh->io_allowed[index] = 1; | |
996 | /* Increment io usrs member of channel object to 1 */ | |
997 | common->io_usrs = 1; | |
998 | /* Store type of memory requested in channel object */ | |
999 | common->memory = reqbuf->memory; | |
1000 | INIT_LIST_HEAD(&common->dma_queue); | |
e7332e3a | 1001 | /* Allocate buffers */ |
2401dd25 | 1002 | return vb2_reqbufs(&common->buffer_queue, reqbuf); |
e7332e3a C |
1003 | } |
1004 | ||
1005 | static int vpif_querybuf(struct file *file, void *priv, | |
1006 | struct v4l2_buffer *tbuf) | |
1007 | { | |
1008 | struct vpif_fh *fh = priv; | |
1009 | struct channel_obj *ch = fh->channel; | |
1010 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1011 | ||
1012 | if (common->fmt.type != tbuf->type) | |
1013 | return -EINVAL; | |
1014 | ||
2401dd25 | 1015 | return vb2_querybuf(&common->buffer_queue, tbuf); |
e7332e3a C |
1016 | } |
1017 | ||
1018 | static int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) | |
1019 | { | |
2401dd25 LP |
1020 | struct vpif_fh *fh = NULL; |
1021 | struct channel_obj *ch = NULL; | |
1022 | struct common_obj *common = NULL; | |
e7332e3a | 1023 | |
2401dd25 LP |
1024 | if (!buf || !priv) |
1025 | return -EINVAL; | |
e7332e3a | 1026 | |
2401dd25 LP |
1027 | fh = priv; |
1028 | ch = fh->channel; | |
1029 | if (!ch) | |
1030 | return -EINVAL; | |
1031 | ||
1032 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1033 | if (common->fmt.type != buf->type) | |
e7332e3a C |
1034 | return -EINVAL; |
1035 | ||
1036 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1037 | vpif_err("fh->io_allowed\n"); | |
1038 | return -EACCES; | |
1039 | } | |
1040 | ||
2401dd25 | 1041 | return vb2_qbuf(&common->buffer_queue, buf); |
e7332e3a C |
1042 | } |
1043 | ||
314527ac | 1044 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
e7332e3a C |
1045 | { |
1046 | struct vpif_fh *fh = priv; | |
1047 | struct channel_obj *ch = fh->channel; | |
1048 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1049 | int ret = 0; | |
1050 | ||
314527ac | 1051 | if (!(std_id & VPIF_V4L2_STD)) |
e7332e3a C |
1052 | return -EINVAL; |
1053 | ||
1054 | if (common->started) { | |
1055 | vpif_err("streaming in progress\n"); | |
1056 | return -EBUSY; | |
1057 | } | |
1058 | ||
1059 | /* Call encoder subdevice function to set the standard */ | |
314527ac | 1060 | ch->video.stdid = std_id; |
0598c17b | 1061 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
e7332e3a | 1062 | /* Get the information about the standard */ |
9bfaae24 HV |
1063 | if (vpif_update_resolution(ch)) |
1064 | return -EINVAL; | |
e7332e3a C |
1065 | |
1066 | if ((ch->vpifparams.std_info.width * | |
1067 | ch->vpifparams.std_info.height * 2) > | |
1068 | config_params.channel_bufsize[ch->channel_id]) { | |
1069 | vpif_err("invalid std for this size\n"); | |
9bfaae24 | 1070 | return -EINVAL; |
e7332e3a C |
1071 | } |
1072 | ||
1073 | common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; | |
1074 | /* Configure the default format information */ | |
1075 | vpif_config_format(ch); | |
1076 | ||
1077 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, | |
314527ac | 1078 | s_std_output, std_id); |
e7332e3a C |
1079 | if (ret < 0) { |
1080 | vpif_err("Failed to set output standard\n"); | |
9bfaae24 | 1081 | return ret; |
e7332e3a C |
1082 | } |
1083 | ||
1084 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, | |
314527ac | 1085 | s_std, std_id); |
e7332e3a C |
1086 | if (ret < 0) |
1087 | vpif_err("Failed to set standard for sub devices\n"); | |
e7332e3a C |
1088 | return ret; |
1089 | } | |
1090 | ||
1091 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
1092 | { | |
1093 | struct vpif_fh *fh = priv; | |
1094 | struct channel_obj *ch = fh->channel; | |
1095 | ||
1096 | *std = ch->video.stdid; | |
1097 | return 0; | |
1098 | } | |
1099 | ||
1100 | static int vpif_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1101 | { | |
1102 | struct vpif_fh *fh = priv; | |
1103 | struct channel_obj *ch = fh->channel; | |
1104 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1105 | ||
2401dd25 | 1106 | return vb2_dqbuf(&common->buffer_queue, p, |
e7332e3a C |
1107 | (file->f_flags & O_NONBLOCK)); |
1108 | } | |
1109 | ||
1110 | static int vpif_streamon(struct file *file, void *priv, | |
1111 | enum v4l2_buf_type buftype) | |
1112 | { | |
1113 | struct vpif_fh *fh = priv; | |
1114 | struct channel_obj *ch = fh->channel; | |
1115 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1116 | struct channel_obj *oth_ch = vpif_obj.dev[!ch->channel_id]; | |
e7332e3a C |
1117 | int ret = 0; |
1118 | ||
1119 | if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1120 | vpif_err("buffer type not supported\n"); | |
1121 | return -EINVAL; | |
1122 | } | |
1123 | ||
1124 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1125 | vpif_err("fh->io_allowed\n"); | |
1126 | return -EACCES; | |
1127 | } | |
1128 | ||
1129 | /* If Streaming is already started, return error */ | |
1130 | if (common->started) { | |
1131 | vpif_err("channel->started\n"); | |
1132 | return -EBUSY; | |
1133 | } | |
1134 | ||
1135 | if ((ch->channel_id == VPIF_CHANNEL2_VIDEO | |
1136 | && oth_ch->common[VPIF_VIDEO_INDEX].started && | |
1137 | ch->vpifparams.std_info.ycmux_mode == 0) | |
1138 | || ((ch->channel_id == VPIF_CHANNEL3_VIDEO) | |
1139 | && (2 == oth_ch->common[VPIF_VIDEO_INDEX].started))) { | |
1140 | vpif_err("other channel is using\n"); | |
1141 | return -EBUSY; | |
1142 | } | |
1143 | ||
1144 | ret = vpif_check_format(ch, &common->fmt.fmt.pix); | |
1145 | if (ret < 0) | |
1146 | return ret; | |
1147 | ||
2401dd25 LP |
1148 | /* Call vb2_streamon to start streaming in videobuf2 */ |
1149 | ret = vb2_streamon(&common->buffer_queue, buftype); | |
e7332e3a | 1150 | if (ret < 0) { |
2401dd25 | 1151 | vpif_err("vb2_streamon\n"); |
e7332e3a C |
1152 | return ret; |
1153 | } | |
1154 | ||
e7332e3a C |
1155 | return ret; |
1156 | } | |
1157 | ||
1158 | static int vpif_streamoff(struct file *file, void *priv, | |
1159 | enum v4l2_buf_type buftype) | |
1160 | { | |
1161 | struct vpif_fh *fh = priv; | |
1162 | struct channel_obj *ch = fh->channel; | |
1163 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
6964b103 MH |
1164 | struct vpif_display_config *vpif_config_data = |
1165 | vpif_dev->platform_data; | |
e7332e3a C |
1166 | |
1167 | if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1168 | vpif_err("buffer type not supported\n"); | |
1169 | return -EINVAL; | |
1170 | } | |
1171 | ||
1172 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1173 | vpif_err("fh->io_allowed\n"); | |
1174 | return -EACCES; | |
1175 | } | |
1176 | ||
1177 | if (!common->started) { | |
1178 | vpif_err("channel->started\n"); | |
1179 | return -EINVAL; | |
1180 | } | |
1181 | ||
e7332e3a C |
1182 | if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
1183 | /* disable channel */ | |
1184 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
2bd4e58c LP |
1185 | if (vpif_config_data-> |
1186 | chan_config[VPIF_CHANNEL2_VIDEO].clip_en) | |
6964b103 | 1187 | channel2_clipping_enable(0); |
e7332e3a C |
1188 | enable_channel2(0); |
1189 | channel2_intr_enable(0); | |
1190 | } | |
1191 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || | |
1192 | (2 == common->started)) { | |
2bd4e58c LP |
1193 | if (vpif_config_data-> |
1194 | chan_config[VPIF_CHANNEL3_VIDEO].clip_en) | |
6964b103 | 1195 | channel3_clipping_enable(0); |
e7332e3a C |
1196 | enable_channel3(0); |
1197 | channel3_intr_enable(0); | |
1198 | } | |
1199 | } | |
1200 | ||
1201 | common->started = 0; | |
2401dd25 | 1202 | return vb2_streamoff(&common->buffer_queue, buftype); |
e7332e3a C |
1203 | } |
1204 | ||
1205 | static int vpif_cropcap(struct file *file, void *priv, | |
1206 | struct v4l2_cropcap *crop) | |
1207 | { | |
1208 | struct vpif_fh *fh = priv; | |
1209 | struct channel_obj *ch = fh->channel; | |
1210 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1211 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != crop->type) | |
1212 | return -EINVAL; | |
1213 | ||
1214 | crop->bounds.left = crop->bounds.top = 0; | |
1215 | crop->defrect.left = crop->defrect.top = 0; | |
1216 | crop->defrect.height = crop->bounds.height = common->height; | |
1217 | crop->defrect.width = crop->bounds.width = common->width; | |
1218 | ||
1219 | return 0; | |
1220 | } | |
1221 | ||
1222 | static int vpif_enum_output(struct file *file, void *fh, | |
1223 | struct v4l2_output *output) | |
1224 | { | |
1225 | ||
317b2e2f | 1226 | struct vpif_display_config *config = vpif_dev->platform_data; |
2bd4e58c LP |
1227 | struct vpif_display_chan_config *chan_cfg; |
1228 | struct vpif_fh *vpif_handler = fh; | |
1229 | struct channel_obj *ch = vpif_handler->channel; | |
e7332e3a | 1230 | |
2bd4e58c LP |
1231 | chan_cfg = &config->chan_config[ch->channel_id]; |
1232 | if (output->index >= chan_cfg->output_count) { | |
e7332e3a C |
1233 | vpif_dbg(1, debug, "Invalid output index\n"); |
1234 | return -EINVAL; | |
1235 | } | |
1236 | ||
2bd4e58c LP |
1237 | *output = chan_cfg->outputs[output->index].output; |
1238 | return 0; | |
1239 | } | |
1240 | ||
1241 | /** | |
1242 | * vpif_output_to_subdev() - Maps output to sub device | |
1243 | * @vpif_cfg - global config ptr | |
1244 | * @chan_cfg - channel config ptr | |
1245 | * @index - Given output index from application | |
1246 | * | |
1247 | * lookup the sub device information for a given output index. | |
1248 | * we report all the output to application. output table also | |
1249 | * has sub device name for the each output | |
1250 | */ | |
1251 | static int | |
1252 | vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, | |
1253 | struct vpif_display_chan_config *chan_cfg, int index) | |
1254 | { | |
1255 | struct vpif_subdev_info *subdev_info; | |
1256 | const char *subdev_name; | |
1257 | int i; | |
1258 | ||
1259 | vpif_dbg(2, debug, "vpif_output_to_subdev\n"); | |
1260 | ||
1261 | if (chan_cfg->outputs == NULL) | |
1262 | return -1; | |
1263 | ||
1264 | subdev_name = chan_cfg->outputs[index].subdev_name; | |
1265 | if (subdev_name == NULL) | |
1266 | return -1; | |
1267 | ||
1268 | /* loop through the sub device list to get the sub device info */ | |
1269 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
1270 | subdev_info = &vpif_cfg->subdevinfo[i]; | |
1271 | if (!strcmp(subdev_info->name, subdev_name)) | |
1272 | return i; | |
1273 | } | |
1274 | return -1; | |
1275 | } | |
1276 | ||
1277 | /** | |
1278 | * vpif_set_output() - Select an output | |
1279 | * @vpif_cfg - global config ptr | |
1280 | * @ch - channel | |
1281 | * @index - Given output index from application | |
1282 | * | |
1283 | * Select the given output. | |
1284 | */ | |
1285 | static int vpif_set_output(struct vpif_display_config *vpif_cfg, | |
1286 | struct channel_obj *ch, int index) | |
1287 | { | |
1288 | struct vpif_display_chan_config *chan_cfg = | |
1289 | &vpif_cfg->chan_config[ch->channel_id]; | |
1290 | struct vpif_subdev_info *subdev_info = NULL; | |
1291 | struct v4l2_subdev *sd = NULL; | |
1292 | u32 input = 0, output = 0; | |
1293 | int sd_index; | |
1294 | int ret; | |
1295 | ||
1296 | sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); | |
1297 | if (sd_index >= 0) { | |
1298 | sd = vpif_obj.sd[sd_index]; | |
1299 | subdev_info = &vpif_cfg->subdevinfo[sd_index]; | |
1300 | } | |
e7332e3a | 1301 | |
2bd4e58c LP |
1302 | if (sd) { |
1303 | input = chan_cfg->outputs[index].input_route; | |
1304 | output = chan_cfg->outputs[index].output_route; | |
1305 | ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0); | |
1306 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
1307 | vpif_err("Failed to set output\n"); | |
1308 | return ret; | |
1309 | } | |
1310 | ||
1311 | } | |
1312 | ch->output_idx = index; | |
1313 | ch->sd = sd; | |
1314 | if (chan_cfg->outputs != NULL) | |
1315 | /* update tvnorms from the sub device output info */ | |
1316 | ch->video_dev->tvnorms = chan_cfg->outputs[index].output.std; | |
e7332e3a C |
1317 | return 0; |
1318 | } | |
1319 | ||
1320 | static int vpif_s_output(struct file *file, void *priv, unsigned int i) | |
1321 | { | |
2bd4e58c LP |
1322 | struct vpif_display_config *config = vpif_dev->platform_data; |
1323 | struct vpif_display_chan_config *chan_cfg; | |
e7332e3a C |
1324 | struct vpif_fh *fh = priv; |
1325 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 1326 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
2bd4e58c LP |
1327 | |
1328 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1329 | ||
1330 | if (i >= chan_cfg->output_count) | |
1331 | return -EINVAL; | |
e7332e3a | 1332 | |
e7332e3a C |
1333 | if (common->started) { |
1334 | vpif_err("Streaming in progress\n"); | |
9bfaae24 | 1335 | return -EBUSY; |
e7332e3a C |
1336 | } |
1337 | ||
2bd4e58c | 1338 | return vpif_set_output(config, ch, i); |
e7332e3a C |
1339 | } |
1340 | ||
1341 | static int vpif_g_output(struct file *file, void *priv, unsigned int *i) | |
1342 | { | |
1343 | struct vpif_fh *fh = priv; | |
1344 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 1345 | |
311673ee | 1346 | *i = ch->output_idx; |
e7332e3a C |
1347 | |
1348 | return 0; | |
1349 | } | |
1350 | ||
1351 | static int vpif_g_priority(struct file *file, void *priv, enum v4l2_priority *p) | |
1352 | { | |
1353 | struct vpif_fh *fh = priv; | |
1354 | struct channel_obj *ch = fh->channel; | |
1355 | ||
1356 | *p = v4l2_prio_max(&ch->prio); | |
1357 | ||
1358 | return 0; | |
1359 | } | |
1360 | ||
1361 | static int vpif_s_priority(struct file *file, void *priv, enum v4l2_priority p) | |
1362 | { | |
1363 | struct vpif_fh *fh = priv; | |
1364 | struct channel_obj *ch = fh->channel; | |
1365 | ||
1366 | return v4l2_prio_change(&ch->prio, &fh->prio, p); | |
1367 | } | |
1368 | ||
40c8bcea | 1369 | /** |
0598c17b | 1370 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1371 | * @file: file ptr |
1372 | * @priv: file handle | |
0598c17b | 1373 | * @timings: input timings |
40c8bcea | 1374 | */ |
0598c17b HV |
1375 | static int |
1376 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1377 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea MR |
1378 | { |
1379 | struct vpif_fh *fh = priv; | |
1380 | struct channel_obj *ch = fh->channel; | |
2bd4e58c | 1381 | int ret; |
40c8bcea | 1382 | |
2bd4e58c | 1383 | ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); |
63af4af5 | 1384 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
2bd4e58c LP |
1385 | return -EINVAL; |
1386 | return ret; | |
40c8bcea MR |
1387 | } |
1388 | ||
c027e165 MR |
1389 | /** |
1390 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1391 | * @file: file ptr | |
1392 | * @priv: file handle | |
1393 | * @timings: digital video timings | |
1394 | */ | |
1395 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1396 | struct v4l2_dv_timings *timings) | |
1397 | { | |
1398 | struct vpif_fh *fh = priv; | |
1399 | struct channel_obj *ch = fh->channel; | |
1400 | struct vpif_params *vpifparams = &ch->vpifparams; | |
1401 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1402 | struct video_obj *vid_ch = &ch->video; | |
0598c17b | 1403 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
c027e165 MR |
1404 | int ret; |
1405 | ||
1406 | if (timings->type != V4L2_DV_BT_656_1120) { | |
1407 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1408 | return -EINVAL; | |
1409 | } | |
1410 | ||
1411 | /* Configure subdevice timings, if any */ | |
882084ad | 1412 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
2bd4e58c LP |
1413 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
1414 | ret = 0; | |
1415 | if (ret < 0) { | |
c027e165 MR |
1416 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); |
1417 | return ret; | |
1418 | } | |
1419 | ||
1420 | if (!(timings->bt.width && timings->bt.height && | |
1421 | (timings->bt.hbackporch || | |
1422 | timings->bt.hfrontporch || | |
1423 | timings->bt.hsync) && | |
1424 | timings->bt.vfrontporch && | |
1425 | (timings->bt.vbackporch || | |
1426 | timings->bt.vsync))) { | |
1427 | vpif_dbg(2, debug, "Timings for width, height, " | |
1428 | "horizontal back porch, horizontal sync, " | |
1429 | "horizontal front porch, vertical back porch, " | |
1430 | "vertical sync and vertical back porch " | |
1431 | "must be defined\n"); | |
1432 | return -EINVAL; | |
1433 | } | |
1434 | ||
0598c17b | 1435 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1436 | |
1437 | /* Configure video port timings */ | |
1438 | ||
1439 | std_info->eav2sav = bt->hbackporch + bt->hfrontporch + | |
1440 | bt->hsync - 8; | |
1441 | std_info->sav2eav = bt->width; | |
1442 | ||
1443 | std_info->l1 = 1; | |
1444 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1445 | ||
1446 | if (bt->interlaced) { | |
1447 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
1448 | std_info->vsize = bt->height * 2 + | |
1449 | bt->vfrontporch + bt->vsync + bt->vbackporch + | |
1450 | bt->il_vfrontporch + bt->il_vsync + | |
1451 | bt->il_vbackporch; | |
1452 | std_info->l5 = std_info->vsize/2 - | |
1453 | (bt->vfrontporch - 1); | |
1454 | std_info->l7 = std_info->vsize/2 + 1; | |
1455 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1456 | bt->il_vbackporch + 1; | |
1457 | std_info->l11 = std_info->vsize - | |
1458 | (bt->il_vfrontporch - 1); | |
1459 | } else { | |
1460 | vpif_dbg(2, debug, "Required timing values for " | |
1461 | "interlaced BT format missing\n"); | |
1462 | return -EINVAL; | |
1463 | } | |
1464 | } else { | |
1465 | std_info->vsize = bt->height + bt->vfrontporch + | |
1466 | bt->vsync + bt->vbackporch; | |
1467 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); | |
1468 | } | |
1469 | strncpy(std_info->name, "Custom timings BT656/1120", | |
1470 | VPIF_MAX_NAME); | |
1471 | std_info->width = bt->width; | |
1472 | std_info->height = bt->height; | |
1473 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1474 | std_info->ycmux_mode = 0; | |
1475 | std_info->capture_format = 0; | |
1476 | std_info->vbi_supported = 0; | |
1477 | std_info->hd_sd = 1; | |
1478 | std_info->stdid = 0; | |
c027e165 | 1479 | vid_ch->stdid = 0; |
c027e165 MR |
1480 | |
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | /** | |
1485 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1486 | * @file: file ptr | |
1487 | * @priv: file handle | |
1488 | * @timings: digital video timings | |
1489 | */ | |
1490 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1491 | struct v4l2_dv_timings *timings) | |
1492 | { | |
1493 | struct vpif_fh *fh = priv; | |
1494 | struct channel_obj *ch = fh->channel; | |
1495 | struct video_obj *vid_ch = &ch->video; | |
c027e165 | 1496 | |
0598c17b | 1497 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1498 | |
1499 | return 0; | |
1500 | } | |
7036d6a7 | 1501 | |
7036d6a7 MR |
1502 | /* |
1503 | * vpif_log_status() - Status information | |
1504 | * @file: file ptr | |
1505 | * @priv: file handle | |
1506 | * | |
1507 | * Returns zero. | |
1508 | */ | |
1509 | static int vpif_log_status(struct file *filep, void *priv) | |
1510 | { | |
1511 | /* status for sub devices */ | |
1512 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1513 | ||
1514 | return 0; | |
1515 | } | |
1516 | ||
e7332e3a C |
1517 | /* vpif display ioctl operations */ |
1518 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
1519 | .vidioc_querycap = vpif_querycap, | |
1520 | .vidioc_g_priority = vpif_g_priority, | |
1521 | .vidioc_s_priority = vpif_s_priority, | |
1522 | .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, | |
1523 | .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, | |
1524 | .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, | |
1525 | .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, | |
1526 | .vidioc_reqbufs = vpif_reqbufs, | |
1527 | .vidioc_querybuf = vpif_querybuf, | |
1528 | .vidioc_qbuf = vpif_qbuf, | |
1529 | .vidioc_dqbuf = vpif_dqbuf, | |
1530 | .vidioc_streamon = vpif_streamon, | |
1531 | .vidioc_streamoff = vpif_streamoff, | |
1532 | .vidioc_s_std = vpif_s_std, | |
1533 | .vidioc_g_std = vpif_g_std, | |
1534 | .vidioc_enum_output = vpif_enum_output, | |
1535 | .vidioc_s_output = vpif_s_output, | |
1536 | .vidioc_g_output = vpif_g_output, | |
1537 | .vidioc_cropcap = vpif_cropcap, | |
0598c17b | 1538 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
c027e165 MR |
1539 | .vidioc_s_dv_timings = vpif_s_dv_timings, |
1540 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
7036d6a7 | 1541 | .vidioc_log_status = vpif_log_status, |
e7332e3a C |
1542 | }; |
1543 | ||
1544 | static const struct v4l2_file_operations vpif_fops = { | |
1545 | .owner = THIS_MODULE, | |
1546 | .open = vpif_open, | |
1547 | .release = vpif_release, | |
9bfaae24 | 1548 | .unlocked_ioctl = video_ioctl2, |
e7332e3a C |
1549 | .mmap = vpif_mmap, |
1550 | .poll = vpif_poll | |
1551 | }; | |
1552 | ||
1553 | static struct video_device vpif_video_template = { | |
1554 | .name = "vpif", | |
1555 | .fops = &vpif_fops, | |
e7332e3a | 1556 | .ioctl_ops = &vpif_ioctl_ops, |
e7332e3a C |
1557 | }; |
1558 | ||
1559 | /*Configure the channels, buffer sizei, request irq */ | |
1560 | static int initialize_vpif(void) | |
1561 | { | |
1562 | int free_channel_objects_index; | |
1563 | int free_buffer_channel_index; | |
1564 | int free_buffer_index; | |
1565 | int err = 0, i, j; | |
1566 | ||
1567 | /* Default number of buffers should be 3 */ | |
1568 | if ((ch2_numbuffers > 0) && | |
1569 | (ch2_numbuffers < config_params.min_numbuffers)) | |
1570 | ch2_numbuffers = config_params.min_numbuffers; | |
1571 | if ((ch3_numbuffers > 0) && | |
1572 | (ch3_numbuffers < config_params.min_numbuffers)) | |
1573 | ch3_numbuffers = config_params.min_numbuffers; | |
1574 | ||
1575 | /* Set buffer size to min buffers size if invalid buffer size is | |
1576 | * given */ | |
1577 | if (ch2_bufsize < config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]) | |
1578 | ch2_bufsize = | |
1579 | config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]; | |
1580 | if (ch3_bufsize < config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]) | |
1581 | ch3_bufsize = | |
1582 | config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]; | |
1583 | ||
1584 | config_params.numbuffers[VPIF_CHANNEL2_VIDEO] = ch2_numbuffers; | |
1585 | ||
1586 | if (ch2_numbuffers) { | |
1587 | config_params.channel_bufsize[VPIF_CHANNEL2_VIDEO] = | |
1588 | ch2_bufsize; | |
1589 | } | |
1590 | config_params.numbuffers[VPIF_CHANNEL3_VIDEO] = ch3_numbuffers; | |
1591 | ||
1592 | if (ch3_numbuffers) { | |
1593 | config_params.channel_bufsize[VPIF_CHANNEL3_VIDEO] = | |
1594 | ch3_bufsize; | |
1595 | } | |
1596 | ||
1597 | /* Allocate memory for six channel objects */ | |
1598 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1599 | vpif_obj.dev[i] = | |
1f8766b4 | 1600 | kzalloc(sizeof(struct channel_obj), GFP_KERNEL); |
e7332e3a C |
1601 | /* If memory allocation fails, return error */ |
1602 | if (!vpif_obj.dev[i]) { | |
1603 | free_channel_objects_index = i; | |
1604 | err = -ENOMEM; | |
1605 | goto vpif_init_free_channel_objects; | |
1606 | } | |
1607 | } | |
1608 | ||
1609 | free_channel_objects_index = VPIF_DISPLAY_MAX_DEVICES; | |
1610 | free_buffer_channel_index = VPIF_DISPLAY_NUM_CHANNELS; | |
1611 | free_buffer_index = config_params.numbuffers[i - 1]; | |
1612 | ||
1613 | return 0; | |
1614 | ||
1615 | vpif_init_free_channel_objects: | |
1616 | for (j = 0; j < free_channel_objects_index; j++) | |
1617 | kfree(vpif_obj.dev[j]); | |
1618 | return err; | |
1619 | } | |
1620 | ||
1621 | /* | |
1622 | * vpif_probe: This function creates device entries by register itself to the | |
1623 | * V4L2 driver and initializes fields of each channel objects | |
1624 | */ | |
1625 | static __init int vpif_probe(struct platform_device *pdev) | |
1626 | { | |
317b2e2f MK |
1627 | struct vpif_subdev_info *subdevdata; |
1628 | struct vpif_display_config *config; | |
01b1d975 HV |
1629 | int i, j = 0, k, err = 0; |
1630 | int res_idx = 0; | |
e7332e3a | 1631 | struct i2c_adapter *i2c_adap; |
e7332e3a C |
1632 | struct common_obj *common; |
1633 | struct channel_obj *ch; | |
1634 | struct video_device *vfd; | |
1635 | struct resource *res; | |
1636 | int subdev_count; | |
fc613d44 | 1637 | size_t size; |
e7332e3a C |
1638 | |
1639 | vpif_dev = &pdev->dev; | |
317b2e2f | 1640 | err = initialize_vpif(); |
e7332e3a | 1641 | |
317b2e2f MK |
1642 | if (err) { |
1643 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1644 | return err; | |
e7332e3a C |
1645 | } |
1646 | ||
e7332e3a C |
1647 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1648 | if (err) { | |
1649 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1650 | return err; | |
1651 | } | |
1652 | ||
01b1d975 | 1653 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
e7332e3a | 1654 | for (i = res->start; i <= res->end; i++) { |
0316b89a | 1655 | if (request_irq(i, vpif_channel_isr, IRQF_SHARED, |
01b1d975 HV |
1656 | "VPIF_Display", (void *) |
1657 | (&vpif_obj.dev[res_idx]->channel_id))) { | |
e7332e3a | 1658 | err = -EBUSY; |
01b1d975 HV |
1659 | for (j = 0; j < i; j++) |
1660 | free_irq(j, (void *) | |
1661 | (&vpif_obj.dev[res_idx]->channel_id)); | |
c8f089c9 | 1662 | vpif_err("VPIF IRQ request failed\n"); |
e7332e3a C |
1663 | goto vpif_int_err; |
1664 | } | |
1665 | } | |
01b1d975 | 1666 | res_idx++; |
e7332e3a C |
1667 | } |
1668 | ||
1669 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
e7332e3a C |
1670 | /* Get the pointer to the channel object */ |
1671 | ch = vpif_obj.dev[i]; | |
1672 | ||
1673 | /* Allocate memory for video device */ | |
1674 | vfd = video_device_alloc(); | |
1675 | if (vfd == NULL) { | |
1676 | for (j = 0; j < i; j++) { | |
1677 | ch = vpif_obj.dev[j]; | |
1678 | video_device_release(ch->video_dev); | |
1679 | } | |
1680 | err = -ENOMEM; | |
317b2e2f | 1681 | goto vpif_int_err; |
e7332e3a C |
1682 | } |
1683 | ||
1684 | /* Initialize field of video device */ | |
1685 | *vfd = vpif_video_template; | |
1686 | vfd->v4l2_dev = &vpif_obj.v4l2_dev; | |
1687 | vfd->release = video_device_release; | |
954f340f | 1688 | vfd->vfl_dir = VFL_DIR_TX; |
e7332e3a | 1689 | snprintf(vfd->name, sizeof(vfd->name), |
0a63172a | 1690 | "VPIF_Display_DRIVER_V%s", |
64dc3c1a | 1691 | VPIF_DISPLAY_VERSION); |
e7332e3a C |
1692 | |
1693 | /* Set video_dev to the video device */ | |
1694 | ch->video_dev = vfd; | |
1695 | } | |
1696 | ||
fc613d44 MH |
1697 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
1698 | if (res) { | |
1699 | size = resource_size(res); | |
1700 | /* The resources are divided into two equal memory and when | |
1701 | * we have HD output we can add them together | |
1702 | */ | |
1703 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { | |
1704 | ch = vpif_obj.dev[j]; | |
1705 | ch->channel_id = j; | |
1706 | ||
1707 | /* only enabled if second resource exists */ | |
1708 | config_params.video_limit[ch->channel_id] = 0; | |
1709 | if (size) | |
1710 | config_params.video_limit[ch->channel_id] = | |
1711 | size/2; | |
1712 | } | |
1713 | } | |
1714 | ||
e6067f8b HV |
1715 | i2c_adap = i2c_get_adapter(1); |
1716 | config = pdev->dev.platform_data; | |
1717 | subdev_count = config->subdev_count; | |
1718 | subdevdata = config->subdevinfo; | |
1719 | vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, | |
1720 | GFP_KERNEL); | |
1721 | if (vpif_obj.sd == NULL) { | |
1722 | vpif_err("unable to allocate memory for subdevice pointers\n"); | |
1723 | err = -ENOMEM; | |
01b1d975 | 1724 | goto vpif_sd_error; |
e6067f8b HV |
1725 | } |
1726 | ||
1727 | for (i = 0; i < subdev_count; i++) { | |
1728 | vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1729 | i2c_adap, | |
1730 | &subdevdata[i].board_info, | |
1731 | NULL); | |
1732 | if (!vpif_obj.sd[i]) { | |
1733 | vpif_err("Error registering v4l2 subdevice\n"); | |
b2d2cf10 | 1734 | err = -ENODEV; |
e6067f8b HV |
1735 | goto probe_subdev_out; |
1736 | } | |
1737 | ||
1738 | if (vpif_obj.sd[i]) | |
1739 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1740 | } | |
1741 | ||
e7332e3a C |
1742 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { |
1743 | ch = vpif_obj.dev[j]; | |
1744 | /* Initialize field of the channel objects */ | |
1745 | atomic_set(&ch->usrs, 0); | |
1746 | for (k = 0; k < VPIF_NUMOBJECTS; k++) { | |
1747 | ch->common[k].numbuffers = 0; | |
1748 | common = &ch->common[k]; | |
1749 | common->io_usrs = 0; | |
1750 | common->started = 0; | |
1751 | spin_lock_init(&common->irqlock); | |
1752 | mutex_init(&common->lock); | |
1753 | common->numbuffers = 0; | |
1754 | common->set_addr = NULL; | |
1755 | common->ytop_off = common->ybtm_off = 0; | |
1756 | common->ctop_off = common->cbtm_off = 0; | |
1757 | common->cur_frm = common->next_frm = NULL; | |
1758 | memset(&common->fmt, 0, sizeof(common->fmt)); | |
1759 | common->numbuffers = config_params.numbuffers[k]; | |
1760 | ||
1761 | } | |
1762 | ch->initialized = 0; | |
882084ad HV |
1763 | if (subdev_count) |
1764 | ch->sd = vpif_obj.sd[0]; | |
e7332e3a C |
1765 | ch->channel_id = j; |
1766 | if (j < 2) | |
1767 | ch->common[VPIF_VIDEO_INDEX].numbuffers = | |
1768 | config_params.numbuffers[ch->channel_id]; | |
1769 | else | |
1770 | ch->common[VPIF_VIDEO_INDEX].numbuffers = 0; | |
1771 | ||
1772 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
1773 | ||
1774 | /* Initialize prio member of channel object */ | |
1775 | v4l2_prio_init(&ch->prio); | |
1776 | ch->common[VPIF_VIDEO_INDEX].fmt.type = | |
1777 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
9bfaae24 | 1778 | ch->video_dev->lock = &common->lock; |
e6067f8b | 1779 | video_set_drvdata(ch->video_dev, ch); |
e7332e3a | 1780 | |
2bd4e58c LP |
1781 | /* select output 0 */ |
1782 | err = vpif_set_output(config, ch, 0); | |
1783 | if (err) | |
1784 | goto probe_out; | |
1785 | ||
e7332e3a C |
1786 | /* register video device */ |
1787 | vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", | |
1788 | (int)ch, (int)&ch->video_dev); | |
1789 | ||
1790 | err = video_register_device(ch->video_dev, | |
1791 | VFL_TYPE_GRABBER, (j ? 3 : 2)); | |
1792 | if (err < 0) | |
1793 | goto probe_out; | |
e7332e3a C |
1794 | } |
1795 | ||
2c0ddd17 | 1796 | v4l2_info(&vpif_obj.v4l2_dev, |
0a63172a | 1797 | " VPIF display driver initialized\n"); |
e7332e3a C |
1798 | return 0; |
1799 | ||
e7332e3a C |
1800 | probe_out: |
1801 | for (k = 0; k < j; k++) { | |
1802 | ch = vpif_obj.dev[k]; | |
1803 | video_unregister_device(ch->video_dev); | |
1804 | video_device_release(ch->video_dev); | |
1805 | ch->video_dev = NULL; | |
1806 | } | |
e6067f8b HV |
1807 | probe_subdev_out: |
1808 | kfree(vpif_obj.sd); | |
01b1d975 HV |
1809 | vpif_sd_error: |
1810 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1811 | ch = vpif_obj.dev[i]; | |
1812 | /* Note: does nothing if ch->video_dev == NULL */ | |
1813 | video_device_release(ch->video_dev); | |
1814 | } | |
e7332e3a C |
1815 | vpif_int_err: |
1816 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
01b1d975 HV |
1817 | for (i = 0; i < res_idx; i++) { |
1818 | res = platform_get_resource(pdev, IORESOURCE_IRQ, i); | |
1819 | for (j = res->start; j <= res->end; j++) | |
1820 | free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id)); | |
e7332e3a | 1821 | } |
e7332e3a C |
1822 | |
1823 | return err; | |
1824 | } | |
1825 | ||
1826 | /* | |
1827 | * vpif_remove: It un-register channels from V4L2 driver | |
1828 | */ | |
1829 | static int vpif_remove(struct platform_device *device) | |
1830 | { | |
1831 | struct channel_obj *ch; | |
0b361583 LP |
1832 | struct resource *res; |
1833 | int irq_num; | |
1834 | int i = 0; | |
1835 | ||
1836 | while ((res = platform_get_resource(device, IORESOURCE_IRQ, i))) { | |
1837 | for (irq_num = res->start; irq_num <= res->end; irq_num++) | |
1838 | free_irq(irq_num, | |
1839 | (void *)(&vpif_obj.dev[i]->channel_id)); | |
1840 | i++; | |
1841 | } | |
e7332e3a C |
1842 | |
1843 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1844 | ||
0b361583 | 1845 | kfree(vpif_obj.sd); |
e7332e3a C |
1846 | /* un-register device */ |
1847 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1848 | /* Get the pointer to the channel object */ | |
1849 | ch = vpif_obj.dev[i]; | |
1850 | /* Unregister video device */ | |
1851 | video_unregister_device(ch->video_dev); | |
1852 | ||
1853 | ch->video_dev = NULL; | |
0b361583 | 1854 | kfree(vpif_obj.dev[i]); |
e7332e3a C |
1855 | } |
1856 | ||
1857 | return 0; | |
1858 | } | |
1859 | ||
e9530dac MH |
1860 | #ifdef CONFIG_PM |
1861 | static int vpif_suspend(struct device *dev) | |
1862 | { | |
1863 | struct common_obj *common; | |
1864 | struct channel_obj *ch; | |
1865 | int i; | |
1866 | ||
1867 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1868 | /* Get the pointer to the channel object */ | |
1869 | ch = vpif_obj.dev[i]; | |
1870 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
1871 | mutex_lock(&common->lock); | |
1872 | if (atomic_read(&ch->usrs) && common->io_usrs) { | |
1873 | /* Disable channel */ | |
1874 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1875 | enable_channel2(0); | |
1876 | channel2_intr_enable(0); | |
1877 | } | |
1878 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1879 | common->started == 2) { | |
1880 | enable_channel3(0); | |
1881 | channel3_intr_enable(0); | |
1882 | } | |
1883 | } | |
1884 | mutex_unlock(&common->lock); | |
1885 | } | |
1886 | ||
1887 | return 0; | |
1888 | } | |
1889 | ||
1890 | static int vpif_resume(struct device *dev) | |
1891 | { | |
1892 | ||
1893 | struct common_obj *common; | |
1894 | struct channel_obj *ch; | |
1895 | int i; | |
1896 | ||
1897 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1898 | /* Get the pointer to the channel object */ | |
1899 | ch = vpif_obj.dev[i]; | |
1900 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
1901 | mutex_lock(&common->lock); | |
1902 | if (atomic_read(&ch->usrs) && common->io_usrs) { | |
1903 | /* Enable channel */ | |
1904 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1905 | enable_channel2(1); | |
1906 | channel2_intr_enable(1); | |
1907 | } | |
1908 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1909 | common->started == 2) { | |
1910 | enable_channel3(1); | |
1911 | channel3_intr_enable(1); | |
1912 | } | |
1913 | } | |
1914 | mutex_unlock(&common->lock); | |
1915 | } | |
1916 | ||
1917 | return 0; | |
1918 | } | |
1919 | ||
1920 | static const struct dev_pm_ops vpif_pm = { | |
1921 | .suspend = vpif_suspend, | |
1922 | .resume = vpif_resume, | |
1923 | }; | |
1924 | ||
1925 | #define vpif_pm_ops (&vpif_pm) | |
1926 | #else | |
1927 | #define vpif_pm_ops NULL | |
1928 | #endif | |
1929 | ||
ffa1b391 | 1930 | static __refdata struct platform_driver vpif_driver = { |
e7332e3a C |
1931 | .driver = { |
1932 | .name = "vpif_display", | |
1933 | .owner = THIS_MODULE, | |
e9530dac | 1934 | .pm = vpif_pm_ops, |
e7332e3a C |
1935 | }, |
1936 | .probe = vpif_probe, | |
1937 | .remove = vpif_remove, | |
1938 | }; | |
1939 | ||
1940 | static __init int vpif_init(void) | |
1941 | { | |
1942 | return platform_driver_register(&vpif_driver); | |
1943 | } | |
1944 | ||
1945 | /* | |
1946 | * vpif_cleanup: This function un-registers device and driver to the kernel, | |
1947 | * frees requested irq handler and de-allocates memory allocated for channel | |
1948 | * objects. | |
1949 | */ | |
1950 | static void vpif_cleanup(void) | |
1951 | { | |
e7332e3a | 1952 | platform_driver_unregister(&vpif_driver); |
e7332e3a C |
1953 | } |
1954 | ||
1955 | module_init(vpif_init); | |
1956 | module_exit(vpif_cleanup); |