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 | ||
17 | #include <linux/kernel.h> | |
18 | #include <linux/init.h> | |
19 | #include <linux/module.h> | |
20 | #include <linux/errno.h> | |
21 | #include <linux/fs.h> | |
22 | #include <linux/mm.h> | |
23 | #include <linux/interrupt.h> | |
24 | #include <linux/workqueue.h> | |
25 | #include <linux/string.h> | |
26 | #include <linux/videodev2.h> | |
27 | #include <linux/wait.h> | |
28 | #include <linux/time.h> | |
29 | #include <linux/i2c.h> | |
30 | #include <linux/platform_device.h> | |
31 | #include <linux/io.h> | |
5a0e3ad6 | 32 | #include <linux/slab.h> |
e7332e3a C |
33 | |
34 | #include <asm/irq.h> | |
35 | #include <asm/page.h> | |
36 | ||
37 | #include <media/adv7343.h> | |
38 | #include <media/v4l2-device.h> | |
39 | #include <media/v4l2-ioctl.h> | |
7036d6a7 | 40 | #include <media/v4l2-chip-ident.h> |
e7332e3a | 41 | |
e7332e3a C |
42 | #include "vpif_display.h" |
43 | #include "vpif.h" | |
44 | ||
45 | MODULE_DESCRIPTION("TI DaVinci VPIF Display driver"); | |
46 | MODULE_LICENSE("GPL"); | |
64dc3c1a | 47 | MODULE_VERSION(VPIF_DISPLAY_VERSION); |
e7332e3a | 48 | |
0a63172a | 49 | #define VPIF_V4L2_STD (V4L2_STD_525_60 | V4L2_STD_625_50) |
e7332e3a C |
50 | |
51 | #define vpif_err(fmt, arg...) v4l2_err(&vpif_obj.v4l2_dev, fmt, ## arg) | |
52 | #define vpif_dbg(level, debug, fmt, arg...) \ | |
53 | v4l2_dbg(level, debug, &vpif_obj.v4l2_dev, fmt, ## arg) | |
54 | ||
55 | static int debug = 1; | |
56 | static u32 ch2_numbuffers = 3; | |
57 | static u32 ch3_numbuffers = 3; | |
58 | static u32 ch2_bufsize = 1920 * 1080 * 2; | |
59 | static u32 ch3_bufsize = 720 * 576 * 2; | |
60 | ||
61 | module_param(debug, int, 0644); | |
62 | module_param(ch2_numbuffers, uint, S_IRUGO); | |
63 | module_param(ch3_numbuffers, uint, S_IRUGO); | |
64 | module_param(ch2_bufsize, uint, S_IRUGO); | |
65 | module_param(ch3_bufsize, uint, S_IRUGO); | |
66 | ||
67 | MODULE_PARM_DESC(debug, "Debug level 0-1"); | |
68 | MODULE_PARM_DESC(ch2_numbuffers, "Channel2 buffer count (default:3)"); | |
69 | MODULE_PARM_DESC(ch3_numbuffers, "Channel3 buffer count (default:3)"); | |
70 | MODULE_PARM_DESC(ch2_bufsize, "Channel2 buffer size (default:1920 x 1080 x 2)"); | |
71 | MODULE_PARM_DESC(ch3_bufsize, "Channel3 buffer size (default:720 x 576 x 2)"); | |
72 | ||
73 | static struct vpif_config_params config_params = { | |
74 | .min_numbuffers = 3, | |
75 | .numbuffers[0] = 3, | |
76 | .numbuffers[1] = 3, | |
77 | .min_bufsize[0] = 720 * 480 * 2, | |
78 | .min_bufsize[1] = 720 * 480 * 2, | |
79 | .channel_bufsize[0] = 1920 * 1080 * 2, | |
80 | .channel_bufsize[1] = 720 * 576 * 2, | |
81 | }; | |
82 | ||
83 | static struct vpif_device vpif_obj = { {NULL} }; | |
84 | static struct device *vpif_dev; | |
2401dd25 LP |
85 | static void vpif_calculate_offsets(struct channel_obj *ch); |
86 | static void vpif_config_addr(struct channel_obj *ch, int muxmode); | |
e7332e3a | 87 | |
e7332e3a | 88 | /* |
2401dd25 | 89 | * buffer_prepare: This is the callback function called from vb2_qbuf() |
e7332e3a C |
90 | * function the buffer is prepared and user space virtual address is converted |
91 | * into physical address | |
92 | */ | |
2401dd25 | 93 | static int vpif_buffer_prepare(struct vb2_buffer *vb) |
e7332e3a | 94 | { |
2401dd25 LP |
95 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
96 | struct vb2_queue *q = vb->vb2_queue; | |
e7332e3a C |
97 | struct common_obj *common; |
98 | unsigned long addr; | |
99 | ||
100 | common = &fh->channel->common[VPIF_VIDEO_INDEX]; | |
2401dd25 LP |
101 | if (vb->state != VB2_BUF_STATE_ACTIVE && |
102 | vb->state != VB2_BUF_STATE_PREPARED) { | |
103 | vb2_set_plane_payload(vb, 0, common->fmt.fmt.pix.sizeimage); | |
104 | if (vb2_plane_vaddr(vb, 0) && | |
105 | vb2_get_plane_payload(vb, 0) > vb2_plane_size(vb, 0)) | |
e7332e3a | 106 | goto buf_align_exit; |
e7332e3a | 107 | |
2401dd25 LP |
108 | addr = vb2_dma_contig_plane_dma_addr(vb, 0); |
109 | if (q->streaming && | |
110 | (V4L2_BUF_TYPE_SLICED_VBI_OUTPUT != q->type)) { | |
111 | if (!ISALIGNED(addr + common->ytop_off) || | |
112 | !ISALIGNED(addr + common->ybtm_off) || | |
113 | !ISALIGNED(addr + common->ctop_off) || | |
114 | !ISALIGNED(addr + common->cbtm_off)) | |
115 | goto buf_align_exit; | |
116 | } | |
e7332e3a C |
117 | } |
118 | return 0; | |
119 | ||
120 | buf_align_exit: | |
121 | vpif_err("buffer offset not aligned to 8 bytes\n"); | |
122 | return -EINVAL; | |
123 | } | |
124 | ||
125 | /* | |
2401dd25 | 126 | * vpif_buffer_queue_setup: This function allocates memory for the buffers |
e7332e3a | 127 | */ |
2401dd25 LP |
128 | static int vpif_buffer_queue_setup(struct vb2_queue *vq, |
129 | const struct v4l2_format *fmt, | |
130 | unsigned int *nbuffers, unsigned int *nplanes, | |
131 | unsigned int sizes[], void *alloc_ctxs[]) | |
e7332e3a | 132 | { |
2401dd25 | 133 | struct vpif_fh *fh = vb2_get_drv_priv(vq); |
e7332e3a C |
134 | struct channel_obj *ch = fh->channel; |
135 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
2401dd25 LP |
136 | unsigned long size; |
137 | ||
138 | if (V4L2_MEMORY_MMAP == common->memory) { | |
139 | size = config_params.channel_bufsize[ch->channel_id]; | |
140 | /* | |
141 | * Checking if the buffer size exceeds the available buffer | |
142 | * ycmux_mode = 0 means 1 channel mode HD and | |
143 | * ycmux_mode = 1 means 2 channels mode SD | |
144 | */ | |
145 | if (ch->vpifparams.std_info.ycmux_mode == 0) { | |
146 | if (config_params.video_limit[ch->channel_id]) | |
147 | while (size * *nbuffers > | |
148 | (config_params.video_limit[0] | |
149 | + config_params.video_limit[1])) | |
150 | (*nbuffers)--; | |
151 | } else { | |
152 | if (config_params.video_limit[ch->channel_id]) | |
153 | while (size * *nbuffers > | |
fc613d44 | 154 | config_params.video_limit[ch->channel_id]) |
2401dd25 LP |
155 | (*nbuffers)--; |
156 | } | |
157 | } else { | |
158 | size = common->fmt.fmt.pix.sizeimage; | |
fc613d44 MH |
159 | } |
160 | ||
2401dd25 LP |
161 | if (*nbuffers < config_params.min_numbuffers) |
162 | *nbuffers = config_params.min_numbuffers; | |
e7332e3a | 163 | |
2401dd25 LP |
164 | *nplanes = 1; |
165 | sizes[0] = size; | |
166 | alloc_ctxs[0] = common->alloc_ctx; | |
e7332e3a C |
167 | return 0; |
168 | } | |
169 | ||
170 | /* | |
171 | * vpif_buffer_queue: This function adds the buffer to DMA queue | |
172 | */ | |
2401dd25 | 173 | static void vpif_buffer_queue(struct vb2_buffer *vb) |
e7332e3a | 174 | { |
2401dd25 LP |
175 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
176 | struct vpif_disp_buffer *buf = container_of(vb, | |
177 | struct vpif_disp_buffer, vb); | |
178 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 179 | struct common_obj *common; |
c4697d7f | 180 | unsigned long flags; |
e7332e3a | 181 | |
2401dd25 | 182 | common = &ch->common[VPIF_VIDEO_INDEX]; |
e7332e3a C |
183 | |
184 | /* add the buffer to the DMA queue */ | |
c4697d7f | 185 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 186 | list_add_tail(&buf->list, &common->dma_queue); |
c4697d7f | 187 | spin_unlock_irqrestore(&common->irqlock, flags); |
e7332e3a C |
188 | } |
189 | ||
190 | /* | |
2401dd25 | 191 | * vpif_buf_cleanup: This function is called from the videobuf2 layer to |
e7332e3a C |
192 | * free memory allocated to the buffers |
193 | */ | |
2401dd25 | 194 | static void vpif_buf_cleanup(struct vb2_buffer *vb) |
e7332e3a | 195 | { |
2401dd25 LP |
196 | struct vpif_fh *fh = vb2_get_drv_priv(vb->vb2_queue); |
197 | struct vpif_disp_buffer *buf = container_of(vb, | |
198 | struct vpif_disp_buffer, vb); | |
e7332e3a C |
199 | struct channel_obj *ch = fh->channel; |
200 | struct common_obj *common; | |
2401dd25 | 201 | unsigned long flags; |
e7332e3a C |
202 | |
203 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
204 | ||
2401dd25 LP |
205 | spin_lock_irqsave(&common->irqlock, flags); |
206 | if (vb->state == VB2_BUF_STATE_ACTIVE) | |
207 | list_del_init(&buf->list); | |
208 | spin_unlock_irqrestore(&common->irqlock, flags); | |
209 | } | |
210 | ||
211 | static void vpif_wait_prepare(struct vb2_queue *vq) | |
212 | { | |
213 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
214 | struct channel_obj *ch = fh->channel; | |
215 | struct common_obj *common; | |
216 | ||
217 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
218 | mutex_unlock(&common->lock); | |
219 | } | |
e7332e3a | 220 | |
2401dd25 LP |
221 | static void vpif_wait_finish(struct vb2_queue *vq) |
222 | { | |
223 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
224 | struct channel_obj *ch = fh->channel; | |
225 | struct common_obj *common; | |
e7332e3a | 226 | |
2401dd25 LP |
227 | common = &ch->common[VPIF_VIDEO_INDEX]; |
228 | mutex_lock(&common->lock); | |
229 | } | |
230 | ||
231 | static int vpif_buffer_init(struct vb2_buffer *vb) | |
232 | { | |
233 | struct vpif_disp_buffer *buf = container_of(vb, | |
234 | struct vpif_disp_buffer, vb); | |
235 | ||
236 | INIT_LIST_HEAD(&buf->list); | |
237 | ||
238 | return 0; | |
e7332e3a C |
239 | } |
240 | ||
e7332e3a C |
241 | static u8 channel_first_int[VPIF_NUMOBJECTS][2] = { {1, 1} }; |
242 | ||
2401dd25 LP |
243 | static int vpif_start_streaming(struct vb2_queue *vq, unsigned int count) |
244 | { | |
245 | struct vpif_display_config *vpif_config_data = | |
246 | vpif_dev->platform_data; | |
247 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
248 | struct channel_obj *ch = fh->channel; | |
249 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
250 | struct vpif_params *vpif = &ch->vpifparams; | |
251 | unsigned long addr = 0; | |
c4697d7f | 252 | unsigned long flags; |
2401dd25 LP |
253 | int ret; |
254 | ||
255 | /* If buffer queue is empty, return error */ | |
c4697d7f | 256 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 | 257 | if (list_empty(&common->dma_queue)) { |
c4697d7f | 258 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
259 | vpif_err("buffer queue is empty\n"); |
260 | return -EIO; | |
261 | } | |
262 | ||
263 | /* Get the next frame from the buffer queue */ | |
264 | common->next_frm = common->cur_frm = | |
265 | list_entry(common->dma_queue.next, | |
266 | struct vpif_disp_buffer, list); | |
267 | ||
268 | list_del(&common->cur_frm->list); | |
c4697d7f | 269 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
270 | /* Mark state of the current frame to active */ |
271 | common->cur_frm->vb.state = VB2_BUF_STATE_ACTIVE; | |
272 | ||
273 | /* Initialize field_id and started member */ | |
274 | ch->field_id = 0; | |
275 | common->started = 1; | |
276 | addr = vb2_dma_contig_plane_dma_addr(&common->cur_frm->vb, 0); | |
277 | /* Calculate the offset for Y and C data in the buffer */ | |
278 | vpif_calculate_offsets(ch); | |
279 | ||
280 | if ((ch->vpifparams.std_info.frm_fmt && | |
281 | ((common->fmt.fmt.pix.field != V4L2_FIELD_NONE) | |
282 | && (common->fmt.fmt.pix.field != V4L2_FIELD_ANY))) | |
283 | || (!ch->vpifparams.std_info.frm_fmt | |
284 | && (common->fmt.fmt.pix.field == V4L2_FIELD_NONE))) { | |
285 | vpif_err("conflict in field format and std format\n"); | |
286 | return -EINVAL; | |
287 | } | |
288 | ||
289 | /* clock settings */ | |
f4ad8d74 LP |
290 | if (vpif_config_data->set_clock) { |
291 | ret = vpif_config_data->set_clock(ch->vpifparams.std_info. | |
292 | ycmux_mode, ch->vpifparams.std_info.hd_sd); | |
293 | if (ret < 0) { | |
294 | vpif_err("can't set clock\n"); | |
295 | return ret; | |
296 | } | |
2401dd25 LP |
297 | } |
298 | ||
299 | /* set the parameters and addresses */ | |
300 | ret = vpif_set_video_params(vpif, ch->channel_id + 2); | |
301 | if (ret < 0) | |
302 | return ret; | |
303 | ||
304 | common->started = ret; | |
305 | vpif_config_addr(ch, ret); | |
306 | common->set_addr((addr + common->ytop_off), | |
307 | (addr + common->ybtm_off), | |
308 | (addr + common->ctop_off), | |
309 | (addr + common->cbtm_off)); | |
310 | ||
311 | /* Set interrupt for both the fields in VPIF | |
312 | Register enable channel in VPIF register */ | |
9e18404a | 313 | channel_first_int[VPIF_VIDEO_INDEX][ch->channel_id] = 1; |
2401dd25 LP |
314 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { |
315 | channel2_intr_assert(); | |
316 | channel2_intr_enable(1); | |
317 | enable_channel2(1); | |
2bd4e58c | 318 | if (vpif_config_data->chan_config[VPIF_CHANNEL2_VIDEO].clip_en) |
6964b103 | 319 | channel2_clipping_enable(1); |
2401dd25 LP |
320 | } |
321 | ||
322 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) | |
323 | || (common->started == 2)) { | |
324 | channel3_intr_assert(); | |
325 | channel3_intr_enable(1); | |
326 | enable_channel3(1); | |
2bd4e58c | 327 | if (vpif_config_data->chan_config[VPIF_CHANNEL3_VIDEO].clip_en) |
6964b103 | 328 | channel3_clipping_enable(1); |
2401dd25 | 329 | } |
2401dd25 LP |
330 | |
331 | return 0; | |
332 | } | |
333 | ||
334 | /* abort streaming and wait for last buffer */ | |
335 | static int vpif_stop_streaming(struct vb2_queue *vq) | |
336 | { | |
337 | struct vpif_fh *fh = vb2_get_drv_priv(vq); | |
338 | struct channel_obj *ch = fh->channel; | |
339 | struct common_obj *common; | |
c4697d7f | 340 | unsigned long flags; |
2401dd25 LP |
341 | |
342 | if (!vb2_is_streaming(vq)) | |
343 | return 0; | |
344 | ||
345 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
346 | ||
347 | /* release all active buffers */ | |
c4697d7f | 348 | spin_lock_irqsave(&common->irqlock, flags); |
2401dd25 LP |
349 | while (!list_empty(&common->dma_queue)) { |
350 | common->next_frm = list_entry(common->dma_queue.next, | |
351 | struct vpif_disp_buffer, list); | |
352 | list_del(&common->next_frm->list); | |
353 | vb2_buffer_done(&common->next_frm->vb, VB2_BUF_STATE_ERROR); | |
354 | } | |
c4697d7f | 355 | spin_unlock_irqrestore(&common->irqlock, flags); |
2401dd25 LP |
356 | |
357 | return 0; | |
358 | } | |
359 | ||
360 | static struct vb2_ops video_qops = { | |
361 | .queue_setup = vpif_buffer_queue_setup, | |
362 | .wait_prepare = vpif_wait_prepare, | |
363 | .wait_finish = vpif_wait_finish, | |
364 | .buf_init = vpif_buffer_init, | |
365 | .buf_prepare = vpif_buffer_prepare, | |
366 | .start_streaming = vpif_start_streaming, | |
367 | .stop_streaming = vpif_stop_streaming, | |
368 | .buf_cleanup = vpif_buf_cleanup, | |
369 | .buf_queue = vpif_buffer_queue, | |
370 | }; | |
371 | ||
e7332e3a C |
372 | static void process_progressive_mode(struct common_obj *common) |
373 | { | |
374 | unsigned long addr = 0; | |
375 | ||
c4697d7f | 376 | spin_lock(&common->irqlock); |
e7332e3a C |
377 | /* Get the next buffer from buffer queue */ |
378 | common->next_frm = list_entry(common->dma_queue.next, | |
2401dd25 | 379 | struct vpif_disp_buffer, list); |
e7332e3a | 380 | /* Remove that buffer from the buffer queue */ |
2401dd25 | 381 | list_del(&common->next_frm->list); |
c4697d7f | 382 | spin_unlock(&common->irqlock); |
e7332e3a | 383 | /* Mark status of the buffer as active */ |
2401dd25 | 384 | common->next_frm->vb.state = VB2_BUF_STATE_ACTIVE; |
e7332e3a C |
385 | |
386 | /* Set top and bottom field addrs in VPIF registers */ | |
2401dd25 | 387 | addr = vb2_dma_contig_plane_dma_addr(&common->next_frm->vb, 0); |
e7332e3a C |
388 | common->set_addr(addr + common->ytop_off, |
389 | addr + common->ybtm_off, | |
390 | addr + common->ctop_off, | |
391 | addr + common->cbtm_off); | |
392 | } | |
393 | ||
394 | static void process_interlaced_mode(int fid, struct common_obj *common) | |
395 | { | |
396 | /* device field id and local field id are in sync */ | |
397 | /* If this is even field */ | |
398 | if (0 == fid) { | |
399 | if (common->cur_frm == common->next_frm) | |
400 | return; | |
401 | ||
402 | /* one frame is displayed If next frame is | |
403 | * available, release cur_frm and move on */ | |
404 | /* Copy frame display time */ | |
8e6057b5 | 405 | v4l2_get_timestamp(&common->cur_frm->vb.v4l2_buf.timestamp); |
e7332e3a | 406 | /* Change status of the cur_frm */ |
2401dd25 LP |
407 | vb2_buffer_done(&common->cur_frm->vb, |
408 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
409 | /* Make cur_frm pointing to next_frm */ |
410 | common->cur_frm = common->next_frm; | |
411 | ||
412 | } else if (1 == fid) { /* odd field */ | |
c4697d7f | 413 | spin_lock(&common->irqlock); |
e7332e3a C |
414 | if (list_empty(&common->dma_queue) |
415 | || (common->cur_frm != common->next_frm)) { | |
c4697d7f | 416 | spin_unlock(&common->irqlock); |
e7332e3a C |
417 | return; |
418 | } | |
c4697d7f | 419 | spin_unlock(&common->irqlock); |
e7332e3a C |
420 | /* one field is displayed configure the next |
421 | * frame if it is available else hold on current | |
422 | * frame */ | |
423 | /* Get next from the buffer queue */ | |
424 | process_progressive_mode(common); | |
e7332e3a C |
425 | } |
426 | } | |
427 | ||
428 | /* | |
429 | * vpif_channel_isr: It changes status of the displayed buffer, takes next | |
430 | * buffer from the queue and sets its address in VPIF registers | |
431 | */ | |
432 | static irqreturn_t vpif_channel_isr(int irq, void *dev_id) | |
433 | { | |
434 | struct vpif_device *dev = &vpif_obj; | |
435 | struct channel_obj *ch; | |
436 | struct common_obj *common; | |
437 | enum v4l2_field field; | |
438 | int fid = -1, i; | |
439 | int channel_id = 0; | |
440 | ||
441 | channel_id = *(int *)(dev_id); | |
b1fc4230 MH |
442 | if (!vpif_intr_status(channel_id + 2)) |
443 | return IRQ_NONE; | |
444 | ||
e7332e3a C |
445 | ch = dev->dev[channel_id]; |
446 | field = ch->common[VPIF_VIDEO_INDEX].fmt.fmt.pix.field; | |
447 | for (i = 0; i < VPIF_NUMOBJECTS; i++) { | |
448 | common = &ch->common[i]; | |
449 | /* If streaming is started in this channel */ | |
450 | if (0 == common->started) | |
451 | continue; | |
452 | ||
453 | if (1 == ch->vpifparams.std_info.frm_fmt) { | |
c4697d7f HV |
454 | spin_lock(&common->irqlock); |
455 | if (list_empty(&common->dma_queue)) { | |
456 | spin_unlock(&common->irqlock); | |
e7332e3a | 457 | continue; |
c4697d7f HV |
458 | } |
459 | spin_unlock(&common->irqlock); | |
e7332e3a C |
460 | |
461 | /* Progressive mode */ | |
462 | if (!channel_first_int[i][channel_id]) { | |
463 | /* Mark status of the cur_frm to | |
464 | * done and unlock semaphore on it */ | |
8e6057b5 SA |
465 | v4l2_get_timestamp(&common->cur_frm->vb. |
466 | v4l2_buf.timestamp); | |
2401dd25 LP |
467 | vb2_buffer_done(&common->cur_frm->vb, |
468 | VB2_BUF_STATE_DONE); | |
e7332e3a C |
469 | /* Make cur_frm pointing to next_frm */ |
470 | common->cur_frm = common->next_frm; | |
471 | } | |
472 | ||
473 | channel_first_int[i][channel_id] = 0; | |
474 | process_progressive_mode(common); | |
475 | } else { | |
476 | /* Interlaced mode */ | |
477 | /* If it is first interrupt, ignore it */ | |
478 | ||
479 | if (channel_first_int[i][channel_id]) { | |
480 | channel_first_int[i][channel_id] = 0; | |
481 | continue; | |
482 | } | |
483 | ||
484 | if (0 == i) { | |
485 | ch->field_id ^= 1; | |
486 | /* Get field id from VPIF registers */ | |
487 | fid = vpif_channel_getfid(ch->channel_id + 2); | |
488 | /* If fid does not match with stored field id */ | |
489 | if (fid != ch->field_id) { | |
490 | /* Make them in sync */ | |
491 | if (0 == fid) | |
492 | ch->field_id = fid; | |
493 | ||
494 | return IRQ_HANDLED; | |
495 | } | |
496 | } | |
497 | process_interlaced_mode(fid, common); | |
498 | } | |
499 | } | |
500 | ||
501 | return IRQ_HANDLED; | |
502 | } | |
503 | ||
c027e165 | 504 | static int vpif_update_std_info(struct channel_obj *ch) |
e7332e3a | 505 | { |
e7332e3a C |
506 | struct video_obj *vid_ch = &ch->video; |
507 | struct vpif_params *vpifparams = &ch->vpifparams; | |
508 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
509 | const struct vpif_channel_config_params *config; | |
510 | ||
c027e165 | 511 | int i; |
e7332e3a | 512 | |
c027e165 | 513 | for (i = 0; i < vpif_ch_params_count; i++) { |
ced9b21f | 514 | config = &vpif_ch_params[i]; |
40c8bcea MR |
515 | if (config->hd_sd == 0) { |
516 | vpif_dbg(2, debug, "SD format\n"); | |
517 | if (config->stdid & vid_ch->stdid) { | |
518 | memcpy(std_info, config, sizeof(*config)); | |
519 | break; | |
520 | } | |
e7332e3a C |
521 | } |
522 | } | |
523 | ||
c027e165 MR |
524 | if (i == vpif_ch_params_count) { |
525 | vpif_dbg(1, debug, "Format not found\n"); | |
aa444406 | 526 | return -EINVAL; |
c027e165 MR |
527 | } |
528 | ||
529 | return 0; | |
530 | } | |
531 | ||
532 | static int vpif_update_resolution(struct channel_obj *ch) | |
533 | { | |
534 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
535 | struct video_obj *vid_ch = &ch->video; | |
536 | struct vpif_params *vpifparams = &ch->vpifparams; | |
537 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
538 | ||
0598c17b | 539 | if (!vid_ch->stdid && !vid_ch->dv_timings.bt.height) |
c027e165 MR |
540 | return -EINVAL; |
541 | ||
0598c17b | 542 | if (vid_ch->stdid) { |
c027e165 MR |
543 | if (vpif_update_std_info(ch)) |
544 | return -EINVAL; | |
545 | } | |
e7332e3a C |
546 | |
547 | common->fmt.fmt.pix.width = std_info->width; | |
548 | common->fmt.fmt.pix.height = std_info->height; | |
549 | vpif_dbg(1, debug, "Pixel details: Width = %d,Height = %d\n", | |
550 | common->fmt.fmt.pix.width, common->fmt.fmt.pix.height); | |
551 | ||
552 | /* Set height and width paramateres */ | |
c027e165 MR |
553 | common->height = std_info->height; |
554 | common->width = std_info->width; | |
e7332e3a C |
555 | |
556 | return 0; | |
557 | } | |
558 | ||
559 | /* | |
560 | * vpif_calculate_offsets: This function calculates buffers offset for Y and C | |
561 | * in the top and bottom field | |
562 | */ | |
563 | static void vpif_calculate_offsets(struct channel_obj *ch) | |
564 | { | |
565 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
566 | struct vpif_params *vpifparams = &ch->vpifparams; | |
567 | enum v4l2_field field = common->fmt.fmt.pix.field; | |
568 | struct video_obj *vid_ch = &ch->video; | |
569 | unsigned int hpitch, vpitch, sizeimage; | |
570 | ||
571 | if (V4L2_FIELD_ANY == common->fmt.fmt.pix.field) { | |
572 | if (ch->vpifparams.std_info.frm_fmt) | |
573 | vid_ch->buf_field = V4L2_FIELD_NONE; | |
574 | else | |
575 | vid_ch->buf_field = V4L2_FIELD_INTERLACED; | |
576 | } else { | |
577 | vid_ch->buf_field = common->fmt.fmt.pix.field; | |
578 | } | |
579 | ||
2401dd25 | 580 | sizeimage = common->fmt.fmt.pix.sizeimage; |
e7332e3a C |
581 | |
582 | hpitch = common->fmt.fmt.pix.bytesperline; | |
583 | vpitch = sizeimage / (hpitch * 2); | |
584 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
585 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
586 | common->ytop_off = 0; | |
587 | common->ybtm_off = hpitch; | |
588 | common->ctop_off = sizeimage / 2; | |
589 | common->cbtm_off = sizeimage / 2 + hpitch; | |
590 | } else if (V4L2_FIELD_SEQ_TB == vid_ch->buf_field) { | |
591 | common->ytop_off = 0; | |
592 | common->ybtm_off = sizeimage / 4; | |
593 | common->ctop_off = sizeimage / 2; | |
594 | common->cbtm_off = common->ctop_off + sizeimage / 4; | |
595 | } else if (V4L2_FIELD_SEQ_BT == vid_ch->buf_field) { | |
596 | common->ybtm_off = 0; | |
597 | common->ytop_off = sizeimage / 4; | |
598 | common->cbtm_off = sizeimage / 2; | |
599 | common->ctop_off = common->cbtm_off + sizeimage / 4; | |
600 | } | |
601 | ||
602 | if ((V4L2_FIELD_NONE == vid_ch->buf_field) || | |
603 | (V4L2_FIELD_INTERLACED == vid_ch->buf_field)) { | |
604 | vpifparams->video_params.storage_mode = 1; | |
605 | } else { | |
606 | vpifparams->video_params.storage_mode = 0; | |
607 | } | |
608 | ||
609 | if (ch->vpifparams.std_info.frm_fmt == 1) { | |
610 | vpifparams->video_params.hpitch = | |
611 | common->fmt.fmt.pix.bytesperline; | |
612 | } else { | |
613 | if ((field == V4L2_FIELD_ANY) || | |
614 | (field == V4L2_FIELD_INTERLACED)) | |
615 | vpifparams->video_params.hpitch = | |
616 | common->fmt.fmt.pix.bytesperline * 2; | |
617 | else | |
618 | vpifparams->video_params.hpitch = | |
619 | common->fmt.fmt.pix.bytesperline; | |
620 | } | |
621 | ||
622 | ch->vpifparams.video_params.stdid = ch->vpifparams.std_info.stdid; | |
623 | } | |
624 | ||
625 | static void vpif_config_format(struct channel_obj *ch) | |
626 | { | |
627 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
628 | ||
629 | common->fmt.fmt.pix.field = V4L2_FIELD_ANY; | |
630 | if (config_params.numbuffers[ch->channel_id] == 0) | |
631 | common->memory = V4L2_MEMORY_USERPTR; | |
632 | else | |
633 | common->memory = V4L2_MEMORY_MMAP; | |
634 | ||
635 | common->fmt.fmt.pix.sizeimage = | |
636 | config_params.channel_bufsize[ch->channel_id]; | |
637 | common->fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_YUV422P; | |
638 | common->fmt.type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
639 | } | |
640 | ||
641 | static int vpif_check_format(struct channel_obj *ch, | |
642 | struct v4l2_pix_format *pixfmt) | |
643 | { | |
644 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
645 | enum v4l2_field field = pixfmt->field; | |
646 | u32 sizeimage, hpitch, vpitch; | |
647 | ||
648 | if (pixfmt->pixelformat != V4L2_PIX_FMT_YUV422P) | |
649 | goto invalid_fmt_exit; | |
650 | ||
651 | if (!(VPIF_VALID_FIELD(field))) | |
652 | goto invalid_fmt_exit; | |
653 | ||
654 | if (pixfmt->bytesperline <= 0) | |
655 | goto invalid_pitch_exit; | |
656 | ||
2401dd25 | 657 | sizeimage = pixfmt->sizeimage; |
e7332e3a | 658 | |
c027e165 | 659 | if (vpif_update_resolution(ch)) |
e7332e3a | 660 | return -EINVAL; |
e7332e3a C |
661 | |
662 | hpitch = pixfmt->bytesperline; | |
663 | vpitch = sizeimage / (hpitch * 2); | |
664 | ||
665 | /* Check for valid value of pitch */ | |
666 | if ((hpitch < ch->vpifparams.std_info.width) || | |
667 | (vpitch < ch->vpifparams.std_info.height)) | |
668 | goto invalid_pitch_exit; | |
669 | ||
670 | /* Check for 8 byte alignment */ | |
671 | if (!ISALIGNED(hpitch)) { | |
672 | vpif_err("invalid pitch alignment\n"); | |
673 | return -EINVAL; | |
674 | } | |
675 | pixfmt->width = common->fmt.fmt.pix.width; | |
676 | pixfmt->height = common->fmt.fmt.pix.height; | |
677 | ||
678 | return 0; | |
679 | ||
680 | invalid_fmt_exit: | |
681 | vpif_err("invalid field format\n"); | |
682 | return -EINVAL; | |
683 | ||
684 | invalid_pitch_exit: | |
685 | vpif_err("invalid pitch\n"); | |
686 | return -EINVAL; | |
687 | } | |
688 | ||
689 | static void vpif_config_addr(struct channel_obj *ch, int muxmode) | |
690 | { | |
691 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
692 | ||
693 | if (VPIF_CHANNEL3_VIDEO == ch->channel_id) { | |
694 | common->set_addr = ch3_set_videobuf_addr; | |
695 | } else { | |
696 | if (2 == muxmode) | |
697 | common->set_addr = ch2_set_videobuf_addr_yc_nmux; | |
698 | else | |
699 | common->set_addr = ch2_set_videobuf_addr; | |
700 | } | |
701 | } | |
702 | ||
703 | /* | |
704 | * vpif_mmap: It is used to map kernel space buffers into user spaces | |
705 | */ | |
706 | static int vpif_mmap(struct file *filep, struct vm_area_struct *vma) | |
707 | { | |
708 | struct vpif_fh *fh = filep->private_data; | |
2c0ddd17 MR |
709 | struct channel_obj *ch = fh->channel; |
710 | struct common_obj *common = &(ch->common[VPIF_VIDEO_INDEX]); | |
0b7286d9 | 711 | int ret; |
2c0ddd17 MR |
712 | |
713 | vpif_dbg(2, debug, "vpif_mmap\n"); | |
e7332e3a | 714 | |
0b7286d9 HV |
715 | if (mutex_lock_interruptible(&common->lock)) |
716 | return -ERESTARTSYS; | |
717 | ret = vb2_mmap(&common->buffer_queue, vma); | |
718 | mutex_unlock(&common->lock); | |
719 | return ret; | |
e7332e3a C |
720 | } |
721 | ||
722 | /* | |
723 | * vpif_poll: It is used for select/poll system call | |
724 | */ | |
725 | static unsigned int vpif_poll(struct file *filep, poll_table *wait) | |
726 | { | |
727 | struct vpif_fh *fh = filep->private_data; | |
728 | struct channel_obj *ch = fh->channel; | |
729 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
0b7286d9 | 730 | unsigned int res = 0; |
e7332e3a | 731 | |
0b7286d9 HV |
732 | if (common->started) { |
733 | mutex_lock(&common->lock); | |
734 | res = vb2_poll(&common->buffer_queue, filep, wait); | |
735 | mutex_unlock(&common->lock); | |
736 | } | |
e7332e3a | 737 | |
0b7286d9 | 738 | return res; |
e7332e3a C |
739 | } |
740 | ||
741 | /* | |
742 | * vpif_open: It creates object of file handle structure and stores it in | |
743 | * private_data member of filepointer | |
744 | */ | |
745 | static int vpif_open(struct file *filep) | |
746 | { | |
747 | struct video_device *vdev = video_devdata(filep); | |
0b7286d9 HV |
748 | struct channel_obj *ch = video_get_drvdata(vdev); |
749 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
750 | struct vpif_fh *fh; | |
e7332e3a | 751 | |
e7332e3a | 752 | /* Allocate memory for the file handle object */ |
1f8766b4 | 753 | fh = kzalloc(sizeof(struct vpif_fh), GFP_KERNEL); |
e7332e3a C |
754 | if (fh == NULL) { |
755 | vpif_err("unable to allocate memory for file handle object\n"); | |
756 | return -ENOMEM; | |
757 | } | |
758 | ||
0b7286d9 HV |
759 | if (mutex_lock_interruptible(&common->lock)) { |
760 | kfree(fh); | |
761 | return -ERESTARTSYS; | |
762 | } | |
e7332e3a C |
763 | /* store pointer to fh in private_data member of filep */ |
764 | filep->private_data = fh; | |
765 | fh->channel = ch; | |
766 | fh->initialized = 0; | |
767 | if (!ch->initialized) { | |
768 | fh->initialized = 1; | |
769 | ch->initialized = 1; | |
770 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
771 | } | |
772 | ||
773 | /* Increment channel usrs counter */ | |
774 | atomic_inc(&ch->usrs); | |
775 | /* Set io_allowed[VPIF_VIDEO_INDEX] member to false */ | |
776 | fh->io_allowed[VPIF_VIDEO_INDEX] = 0; | |
777 | /* Initialize priority of this instance to default priority */ | |
778 | fh->prio = V4L2_PRIORITY_UNSET; | |
779 | v4l2_prio_open(&ch->prio, &fh->prio); | |
0b7286d9 | 780 | mutex_unlock(&common->lock); |
e7332e3a C |
781 | |
782 | return 0; | |
783 | } | |
784 | ||
785 | /* | |
786 | * vpif_release: This function deletes buffer queue, frees the buffers and | |
787 | * the vpif file handle | |
788 | */ | |
789 | static int vpif_release(struct file *filep) | |
790 | { | |
791 | struct vpif_fh *fh = filep->private_data; | |
792 | struct channel_obj *ch = fh->channel; | |
793 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
794 | ||
0b7286d9 | 795 | mutex_lock(&common->lock); |
e7332e3a C |
796 | /* if this instance is doing IO */ |
797 | if (fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
798 | /* Reset io_usrs member of channel object */ | |
799 | common->io_usrs = 0; | |
800 | /* Disable channel */ | |
801 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
802 | enable_channel2(0); | |
803 | channel2_intr_enable(0); | |
804 | } | |
805 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || | |
806 | (2 == common->started)) { | |
807 | enable_channel3(0); | |
808 | channel3_intr_enable(0); | |
809 | } | |
810 | common->started = 0; | |
2401dd25 | 811 | |
e7332e3a | 812 | /* Free buffers allocated */ |
2401dd25 LP |
813 | vb2_queue_release(&common->buffer_queue); |
814 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
815 | ||
e7332e3a C |
816 | common->numbuffers = |
817 | config_params.numbuffers[ch->channel_id]; | |
818 | } | |
819 | ||
e7332e3a C |
820 | /* Decrement channel usrs counter */ |
821 | atomic_dec(&ch->usrs); | |
822 | /* If this file handle has initialize encoder device, reset it */ | |
823 | if (fh->initialized) | |
824 | ch->initialized = 0; | |
825 | ||
826 | /* Close the priority */ | |
ffb4877b | 827 | v4l2_prio_close(&ch->prio, fh->prio); |
e7332e3a C |
828 | filep->private_data = NULL; |
829 | fh->initialized = 0; | |
0b7286d9 | 830 | mutex_unlock(&common->lock); |
e7332e3a C |
831 | kfree(fh); |
832 | ||
833 | return 0; | |
834 | } | |
835 | ||
836 | /* functions implementing ioctls */ | |
2c0ddd17 MR |
837 | /** |
838 | * vpif_querycap() - QUERYCAP handler | |
839 | * @file: file ptr | |
840 | * @priv: file handle | |
841 | * @cap: ptr to v4l2_capability structure | |
842 | */ | |
e7332e3a C |
843 | static int vpif_querycap(struct file *file, void *priv, |
844 | struct v4l2_capability *cap) | |
845 | { | |
317b2e2f | 846 | struct vpif_display_config *config = vpif_dev->platform_data; |
e7332e3a | 847 | |
626d533f LP |
848 | cap->device_caps = V4L2_CAP_VIDEO_OUTPUT | V4L2_CAP_STREAMING; |
849 | cap->capabilities = cap->device_caps | V4L2_CAP_DEVICE_CAPS; | |
850 | snprintf(cap->driver, sizeof(cap->driver), "%s", dev_name(vpif_dev)); | |
851 | snprintf(cap->bus_info, sizeof(cap->bus_info), "platform:%s", | |
852 | dev_name(vpif_dev)); | |
e7332e3a C |
853 | strlcpy(cap->card, config->card_name, sizeof(cap->card)); |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
858 | static int vpif_enum_fmt_vid_out(struct file *file, void *priv, | |
859 | struct v4l2_fmtdesc *fmt) | |
860 | { | |
861 | if (fmt->index != 0) { | |
862 | vpif_err("Invalid format index\n"); | |
863 | return -EINVAL; | |
864 | } | |
865 | ||
866 | /* Fill in the information about format */ | |
867 | fmt->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
868 | strcpy(fmt->description, "YCbCr4:2:2 YC Planar"); | |
869 | fmt->pixelformat = V4L2_PIX_FMT_YUV422P; | |
870 | ||
871 | return 0; | |
872 | } | |
873 | ||
874 | static int vpif_g_fmt_vid_out(struct file *file, void *priv, | |
875 | struct v4l2_format *fmt) | |
876 | { | |
877 | struct vpif_fh *fh = priv; | |
878 | struct channel_obj *ch = fh->channel; | |
879 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
880 | ||
881 | /* Check the validity of the buffer type */ | |
882 | if (common->fmt.type != fmt->type) | |
883 | return -EINVAL; | |
884 | ||
c027e165 | 885 | if (vpif_update_resolution(ch)) |
9bfaae24 HV |
886 | return -EINVAL; |
887 | *fmt = common->fmt; | |
888 | return 0; | |
e7332e3a C |
889 | } |
890 | ||
891 | static int vpif_s_fmt_vid_out(struct file *file, void *priv, | |
892 | struct v4l2_format *fmt) | |
893 | { | |
894 | struct vpif_fh *fh = priv; | |
895 | struct v4l2_pix_format *pixfmt; | |
896 | struct channel_obj *ch = fh->channel; | |
897 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
898 | int ret = 0; | |
899 | ||
900 | if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) | |
901 | || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { | |
902 | if (!fh->initialized) { | |
903 | vpif_dbg(1, debug, "Channel Busy\n"); | |
904 | return -EBUSY; | |
905 | } | |
906 | ||
907 | /* Check for the priority */ | |
ffb4877b | 908 | ret = v4l2_prio_check(&ch->prio, fh->prio); |
e7332e3a C |
909 | if (0 != ret) |
910 | return ret; | |
911 | fh->initialized = 1; | |
912 | } | |
913 | ||
914 | if (common->started) { | |
915 | vpif_dbg(1, debug, "Streaming in progress\n"); | |
916 | return -EBUSY; | |
917 | } | |
918 | ||
919 | pixfmt = &fmt->fmt.pix; | |
920 | /* Check for valid field format */ | |
921 | ret = vpif_check_format(ch, pixfmt); | |
922 | if (ret) | |
923 | return ret; | |
924 | ||
925 | /* store the pix format in the channel object */ | |
926 | common->fmt.fmt.pix = *pixfmt; | |
927 | /* store the format in the channel object */ | |
e7332e3a | 928 | common->fmt = *fmt; |
e7332e3a C |
929 | return 0; |
930 | } | |
931 | ||
932 | static int vpif_try_fmt_vid_out(struct file *file, void *priv, | |
933 | struct v4l2_format *fmt) | |
934 | { | |
935 | struct vpif_fh *fh = priv; | |
936 | struct channel_obj *ch = fh->channel; | |
937 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
938 | struct v4l2_pix_format *pixfmt = &fmt->fmt.pix; | |
939 | int ret = 0; | |
940 | ||
941 | ret = vpif_check_format(ch, pixfmt); | |
942 | if (ret) { | |
943 | *pixfmt = common->fmt.fmt.pix; | |
944 | pixfmt->sizeimage = pixfmt->width * pixfmt->height * 2; | |
945 | } | |
946 | ||
947 | return ret; | |
948 | } | |
949 | ||
950 | static int vpif_reqbufs(struct file *file, void *priv, | |
951 | struct v4l2_requestbuffers *reqbuf) | |
952 | { | |
953 | struct vpif_fh *fh = priv; | |
954 | struct channel_obj *ch = fh->channel; | |
955 | struct common_obj *common; | |
956 | enum v4l2_field field; | |
2401dd25 | 957 | struct vb2_queue *q; |
e7332e3a | 958 | u8 index = 0; |
b4a711e7 | 959 | int ret; |
e7332e3a C |
960 | |
961 | /* This file handle has not initialized the channel, | |
962 | It is not allowed to do settings */ | |
963 | if ((VPIF_CHANNEL2_VIDEO == ch->channel_id) | |
964 | || (VPIF_CHANNEL3_VIDEO == ch->channel_id)) { | |
965 | if (!fh->initialized) { | |
966 | vpif_err("Channel Busy\n"); | |
967 | return -EBUSY; | |
968 | } | |
969 | } | |
970 | ||
971 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != reqbuf->type) | |
972 | return -EINVAL; | |
973 | ||
974 | index = VPIF_VIDEO_INDEX; | |
975 | ||
976 | common = &ch->common[index]; | |
13df4f6a | 977 | |
fc613d44 | 978 | if (common->fmt.type != reqbuf->type || !vpif_dev) |
9bfaae24 | 979 | return -EINVAL; |
9bfaae24 HV |
980 | if (0 != common->io_usrs) |
981 | return -EBUSY; | |
e7332e3a C |
982 | |
983 | if (reqbuf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
984 | if (common->fmt.fmt.pix.field == V4L2_FIELD_ANY) | |
985 | field = V4L2_FIELD_INTERLACED; | |
986 | else | |
987 | field = common->fmt.fmt.pix.field; | |
988 | } else { | |
989 | field = V4L2_VBI_INTERLACED; | |
990 | } | |
2401dd25 LP |
991 | /* Initialize videobuf2 queue as per the buffer type */ |
992 | common->alloc_ctx = vb2_dma_contig_init_ctx(vpif_dev); | |
94b76a88 | 993 | if (IS_ERR(common->alloc_ctx)) { |
2401dd25 | 994 | vpif_err("Failed to get the context\n"); |
94b76a88 | 995 | return PTR_ERR(common->alloc_ctx); |
2401dd25 LP |
996 | } |
997 | q = &common->buffer_queue; | |
998 | q->type = V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
999 | q->io_modes = VB2_MMAP | VB2_USERPTR; | |
1000 | q->drv_priv = fh; | |
1001 | q->ops = &video_qops; | |
1002 | q->mem_ops = &vb2_dma_contig_memops; | |
1003 | q->buf_struct_size = sizeof(struct vpif_disp_buffer); | |
6aa69f99 | 1004 | q->timestamp_type = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC; |
e7332e3a | 1005 | |
b4a711e7 LP |
1006 | ret = vb2_queue_init(q); |
1007 | if (ret) { | |
1008 | vpif_err("vpif_display: vb2_queue_init() failed\n"); | |
1009 | vb2_dma_contig_cleanup_ctx(common->alloc_ctx); | |
1010 | return ret; | |
1011 | } | |
e7332e3a C |
1012 | /* Set io allowed member of file handle to TRUE */ |
1013 | fh->io_allowed[index] = 1; | |
1014 | /* Increment io usrs member of channel object to 1 */ | |
1015 | common->io_usrs = 1; | |
1016 | /* Store type of memory requested in channel object */ | |
1017 | common->memory = reqbuf->memory; | |
1018 | INIT_LIST_HEAD(&common->dma_queue); | |
e7332e3a | 1019 | /* Allocate buffers */ |
2401dd25 | 1020 | return vb2_reqbufs(&common->buffer_queue, reqbuf); |
e7332e3a C |
1021 | } |
1022 | ||
1023 | static int vpif_querybuf(struct file *file, void *priv, | |
1024 | struct v4l2_buffer *tbuf) | |
1025 | { | |
1026 | struct vpif_fh *fh = priv; | |
1027 | struct channel_obj *ch = fh->channel; | |
1028 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1029 | ||
1030 | if (common->fmt.type != tbuf->type) | |
1031 | return -EINVAL; | |
1032 | ||
2401dd25 | 1033 | return vb2_querybuf(&common->buffer_queue, tbuf); |
e7332e3a C |
1034 | } |
1035 | ||
1036 | static int vpif_qbuf(struct file *file, void *priv, struct v4l2_buffer *buf) | |
1037 | { | |
2401dd25 LP |
1038 | struct vpif_fh *fh = NULL; |
1039 | struct channel_obj *ch = NULL; | |
1040 | struct common_obj *common = NULL; | |
e7332e3a | 1041 | |
2401dd25 LP |
1042 | if (!buf || !priv) |
1043 | return -EINVAL; | |
e7332e3a | 1044 | |
2401dd25 LP |
1045 | fh = priv; |
1046 | ch = fh->channel; | |
1047 | if (!ch) | |
1048 | return -EINVAL; | |
1049 | ||
1050 | common = &(ch->common[VPIF_VIDEO_INDEX]); | |
1051 | if (common->fmt.type != buf->type) | |
e7332e3a C |
1052 | return -EINVAL; |
1053 | ||
1054 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1055 | vpif_err("fh->io_allowed\n"); | |
1056 | return -EACCES; | |
1057 | } | |
1058 | ||
2401dd25 | 1059 | return vb2_qbuf(&common->buffer_queue, buf); |
e7332e3a C |
1060 | } |
1061 | ||
314527ac | 1062 | static int vpif_s_std(struct file *file, void *priv, v4l2_std_id std_id) |
e7332e3a C |
1063 | { |
1064 | struct vpif_fh *fh = priv; | |
1065 | struct channel_obj *ch = fh->channel; | |
1066 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1067 | int ret = 0; | |
1068 | ||
314527ac | 1069 | if (!(std_id & VPIF_V4L2_STD)) |
e7332e3a C |
1070 | return -EINVAL; |
1071 | ||
1072 | if (common->started) { | |
1073 | vpif_err("streaming in progress\n"); | |
1074 | return -EBUSY; | |
1075 | } | |
1076 | ||
1077 | /* Call encoder subdevice function to set the standard */ | |
314527ac | 1078 | ch->video.stdid = std_id; |
0598c17b | 1079 | memset(&ch->video.dv_timings, 0, sizeof(ch->video.dv_timings)); |
e7332e3a | 1080 | /* Get the information about the standard */ |
9bfaae24 HV |
1081 | if (vpif_update_resolution(ch)) |
1082 | return -EINVAL; | |
e7332e3a C |
1083 | |
1084 | if ((ch->vpifparams.std_info.width * | |
1085 | ch->vpifparams.std_info.height * 2) > | |
1086 | config_params.channel_bufsize[ch->channel_id]) { | |
1087 | vpif_err("invalid std for this size\n"); | |
9bfaae24 | 1088 | return -EINVAL; |
e7332e3a C |
1089 | } |
1090 | ||
1091 | common->fmt.fmt.pix.bytesperline = common->fmt.fmt.pix.width; | |
1092 | /* Configure the default format information */ | |
1093 | vpif_config_format(ch); | |
1094 | ||
1095 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, video, | |
314527ac | 1096 | s_std_output, std_id); |
e7332e3a C |
1097 | if (ret < 0) { |
1098 | vpif_err("Failed to set output standard\n"); | |
9bfaae24 | 1099 | return ret; |
e7332e3a C |
1100 | } |
1101 | ||
1102 | ret = v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 1, core, | |
314527ac | 1103 | s_std, std_id); |
e7332e3a C |
1104 | if (ret < 0) |
1105 | vpif_err("Failed to set standard for sub devices\n"); | |
e7332e3a C |
1106 | return ret; |
1107 | } | |
1108 | ||
1109 | static int vpif_g_std(struct file *file, void *priv, v4l2_std_id *std) | |
1110 | { | |
1111 | struct vpif_fh *fh = priv; | |
1112 | struct channel_obj *ch = fh->channel; | |
1113 | ||
1114 | *std = ch->video.stdid; | |
1115 | return 0; | |
1116 | } | |
1117 | ||
1118 | static int vpif_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) | |
1119 | { | |
1120 | struct vpif_fh *fh = priv; | |
1121 | struct channel_obj *ch = fh->channel; | |
1122 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1123 | ||
2401dd25 | 1124 | return vb2_dqbuf(&common->buffer_queue, p, |
e7332e3a C |
1125 | (file->f_flags & O_NONBLOCK)); |
1126 | } | |
1127 | ||
1128 | static int vpif_streamon(struct file *file, void *priv, | |
1129 | enum v4l2_buf_type buftype) | |
1130 | { | |
1131 | struct vpif_fh *fh = priv; | |
1132 | struct channel_obj *ch = fh->channel; | |
1133 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1134 | struct channel_obj *oth_ch = vpif_obj.dev[!ch->channel_id]; | |
e7332e3a C |
1135 | int ret = 0; |
1136 | ||
1137 | if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1138 | vpif_err("buffer type not supported\n"); | |
1139 | return -EINVAL; | |
1140 | } | |
1141 | ||
1142 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1143 | vpif_err("fh->io_allowed\n"); | |
1144 | return -EACCES; | |
1145 | } | |
1146 | ||
1147 | /* If Streaming is already started, return error */ | |
1148 | if (common->started) { | |
1149 | vpif_err("channel->started\n"); | |
1150 | return -EBUSY; | |
1151 | } | |
1152 | ||
1153 | if ((ch->channel_id == VPIF_CHANNEL2_VIDEO | |
1154 | && oth_ch->common[VPIF_VIDEO_INDEX].started && | |
1155 | ch->vpifparams.std_info.ycmux_mode == 0) | |
1156 | || ((ch->channel_id == VPIF_CHANNEL3_VIDEO) | |
1157 | && (2 == oth_ch->common[VPIF_VIDEO_INDEX].started))) { | |
1158 | vpif_err("other channel is using\n"); | |
1159 | return -EBUSY; | |
1160 | } | |
1161 | ||
1162 | ret = vpif_check_format(ch, &common->fmt.fmt.pix); | |
1163 | if (ret < 0) | |
1164 | return ret; | |
1165 | ||
2401dd25 LP |
1166 | /* Call vb2_streamon to start streaming in videobuf2 */ |
1167 | ret = vb2_streamon(&common->buffer_queue, buftype); | |
e7332e3a | 1168 | if (ret < 0) { |
2401dd25 | 1169 | vpif_err("vb2_streamon\n"); |
e7332e3a C |
1170 | return ret; |
1171 | } | |
1172 | ||
e7332e3a C |
1173 | return ret; |
1174 | } | |
1175 | ||
1176 | static int vpif_streamoff(struct file *file, void *priv, | |
1177 | enum v4l2_buf_type buftype) | |
1178 | { | |
1179 | struct vpif_fh *fh = priv; | |
1180 | struct channel_obj *ch = fh->channel; | |
1181 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
6964b103 MH |
1182 | struct vpif_display_config *vpif_config_data = |
1183 | vpif_dev->platform_data; | |
e7332e3a C |
1184 | |
1185 | if (buftype != V4L2_BUF_TYPE_VIDEO_OUTPUT) { | |
1186 | vpif_err("buffer type not supported\n"); | |
1187 | return -EINVAL; | |
1188 | } | |
1189 | ||
1190 | if (!fh->io_allowed[VPIF_VIDEO_INDEX]) { | |
1191 | vpif_err("fh->io_allowed\n"); | |
1192 | return -EACCES; | |
1193 | } | |
1194 | ||
1195 | if (!common->started) { | |
1196 | vpif_err("channel->started\n"); | |
1197 | return -EINVAL; | |
1198 | } | |
1199 | ||
e7332e3a C |
1200 | if (buftype == V4L2_BUF_TYPE_VIDEO_OUTPUT) { |
1201 | /* disable channel */ | |
1202 | if (VPIF_CHANNEL2_VIDEO == ch->channel_id) { | |
2bd4e58c LP |
1203 | if (vpif_config_data-> |
1204 | chan_config[VPIF_CHANNEL2_VIDEO].clip_en) | |
6964b103 | 1205 | channel2_clipping_enable(0); |
e7332e3a C |
1206 | enable_channel2(0); |
1207 | channel2_intr_enable(0); | |
1208 | } | |
1209 | if ((VPIF_CHANNEL3_VIDEO == ch->channel_id) || | |
1210 | (2 == common->started)) { | |
2bd4e58c LP |
1211 | if (vpif_config_data-> |
1212 | chan_config[VPIF_CHANNEL3_VIDEO].clip_en) | |
6964b103 | 1213 | channel3_clipping_enable(0); |
e7332e3a C |
1214 | enable_channel3(0); |
1215 | channel3_intr_enable(0); | |
1216 | } | |
1217 | } | |
1218 | ||
1219 | common->started = 0; | |
2401dd25 | 1220 | return vb2_streamoff(&common->buffer_queue, buftype); |
e7332e3a C |
1221 | } |
1222 | ||
1223 | static int vpif_cropcap(struct file *file, void *priv, | |
1224 | struct v4l2_cropcap *crop) | |
1225 | { | |
1226 | struct vpif_fh *fh = priv; | |
1227 | struct channel_obj *ch = fh->channel; | |
1228 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; | |
1229 | if (V4L2_BUF_TYPE_VIDEO_OUTPUT != crop->type) | |
1230 | return -EINVAL; | |
1231 | ||
1232 | crop->bounds.left = crop->bounds.top = 0; | |
1233 | crop->defrect.left = crop->defrect.top = 0; | |
1234 | crop->defrect.height = crop->bounds.height = common->height; | |
1235 | crop->defrect.width = crop->bounds.width = common->width; | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
1240 | static int vpif_enum_output(struct file *file, void *fh, | |
1241 | struct v4l2_output *output) | |
1242 | { | |
1243 | ||
317b2e2f | 1244 | struct vpif_display_config *config = vpif_dev->platform_data; |
2bd4e58c LP |
1245 | struct vpif_display_chan_config *chan_cfg; |
1246 | struct vpif_fh *vpif_handler = fh; | |
1247 | struct channel_obj *ch = vpif_handler->channel; | |
e7332e3a | 1248 | |
2bd4e58c LP |
1249 | chan_cfg = &config->chan_config[ch->channel_id]; |
1250 | if (output->index >= chan_cfg->output_count) { | |
e7332e3a C |
1251 | vpif_dbg(1, debug, "Invalid output index\n"); |
1252 | return -EINVAL; | |
1253 | } | |
1254 | ||
2bd4e58c LP |
1255 | *output = chan_cfg->outputs[output->index].output; |
1256 | return 0; | |
1257 | } | |
1258 | ||
1259 | /** | |
1260 | * vpif_output_to_subdev() - Maps output to sub device | |
1261 | * @vpif_cfg - global config ptr | |
1262 | * @chan_cfg - channel config ptr | |
1263 | * @index - Given output index from application | |
1264 | * | |
1265 | * lookup the sub device information for a given output index. | |
1266 | * we report all the output to application. output table also | |
1267 | * has sub device name for the each output | |
1268 | */ | |
1269 | static int | |
1270 | vpif_output_to_subdev(struct vpif_display_config *vpif_cfg, | |
1271 | struct vpif_display_chan_config *chan_cfg, int index) | |
1272 | { | |
1273 | struct vpif_subdev_info *subdev_info; | |
1274 | const char *subdev_name; | |
1275 | int i; | |
1276 | ||
1277 | vpif_dbg(2, debug, "vpif_output_to_subdev\n"); | |
1278 | ||
1279 | if (chan_cfg->outputs == NULL) | |
1280 | return -1; | |
1281 | ||
1282 | subdev_name = chan_cfg->outputs[index].subdev_name; | |
1283 | if (subdev_name == NULL) | |
1284 | return -1; | |
1285 | ||
1286 | /* loop through the sub device list to get the sub device info */ | |
1287 | for (i = 0; i < vpif_cfg->subdev_count; i++) { | |
1288 | subdev_info = &vpif_cfg->subdevinfo[i]; | |
1289 | if (!strcmp(subdev_info->name, subdev_name)) | |
1290 | return i; | |
1291 | } | |
1292 | return -1; | |
1293 | } | |
1294 | ||
1295 | /** | |
1296 | * vpif_set_output() - Select an output | |
1297 | * @vpif_cfg - global config ptr | |
1298 | * @ch - channel | |
1299 | * @index - Given output index from application | |
1300 | * | |
1301 | * Select the given output. | |
1302 | */ | |
1303 | static int vpif_set_output(struct vpif_display_config *vpif_cfg, | |
1304 | struct channel_obj *ch, int index) | |
1305 | { | |
1306 | struct vpif_display_chan_config *chan_cfg = | |
1307 | &vpif_cfg->chan_config[ch->channel_id]; | |
1308 | struct vpif_subdev_info *subdev_info = NULL; | |
1309 | struct v4l2_subdev *sd = NULL; | |
1310 | u32 input = 0, output = 0; | |
1311 | int sd_index; | |
1312 | int ret; | |
1313 | ||
1314 | sd_index = vpif_output_to_subdev(vpif_cfg, chan_cfg, index); | |
1315 | if (sd_index >= 0) { | |
1316 | sd = vpif_obj.sd[sd_index]; | |
1317 | subdev_info = &vpif_cfg->subdevinfo[sd_index]; | |
1318 | } | |
e7332e3a | 1319 | |
2bd4e58c LP |
1320 | if (sd) { |
1321 | input = chan_cfg->outputs[index].input_route; | |
1322 | output = chan_cfg->outputs[index].output_route; | |
1323 | ret = v4l2_subdev_call(sd, video, s_routing, input, output, 0); | |
1324 | if (ret < 0 && ret != -ENOIOCTLCMD) { | |
1325 | vpif_err("Failed to set output\n"); | |
1326 | return ret; | |
1327 | } | |
1328 | ||
1329 | } | |
1330 | ch->output_idx = index; | |
1331 | ch->sd = sd; | |
1332 | if (chan_cfg->outputs != NULL) | |
1333 | /* update tvnorms from the sub device output info */ | |
1334 | ch->video_dev->tvnorms = chan_cfg->outputs[index].output.std; | |
e7332e3a C |
1335 | return 0; |
1336 | } | |
1337 | ||
1338 | static int vpif_s_output(struct file *file, void *priv, unsigned int i) | |
1339 | { | |
2bd4e58c LP |
1340 | struct vpif_display_config *config = vpif_dev->platform_data; |
1341 | struct vpif_display_chan_config *chan_cfg; | |
e7332e3a C |
1342 | struct vpif_fh *fh = priv; |
1343 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 1344 | struct common_obj *common = &ch->common[VPIF_VIDEO_INDEX]; |
2bd4e58c LP |
1345 | |
1346 | chan_cfg = &config->chan_config[ch->channel_id]; | |
1347 | ||
1348 | if (i >= chan_cfg->output_count) | |
1349 | return -EINVAL; | |
e7332e3a | 1350 | |
e7332e3a C |
1351 | if (common->started) { |
1352 | vpif_err("Streaming in progress\n"); | |
9bfaae24 | 1353 | return -EBUSY; |
e7332e3a C |
1354 | } |
1355 | ||
2bd4e58c | 1356 | return vpif_set_output(config, ch, i); |
e7332e3a C |
1357 | } |
1358 | ||
1359 | static int vpif_g_output(struct file *file, void *priv, unsigned int *i) | |
1360 | { | |
1361 | struct vpif_fh *fh = priv; | |
1362 | struct channel_obj *ch = fh->channel; | |
e7332e3a | 1363 | |
311673ee | 1364 | *i = ch->output_idx; |
e7332e3a C |
1365 | |
1366 | return 0; | |
1367 | } | |
1368 | ||
1369 | static int vpif_g_priority(struct file *file, void *priv, enum v4l2_priority *p) | |
1370 | { | |
1371 | struct vpif_fh *fh = priv; | |
1372 | struct channel_obj *ch = fh->channel; | |
1373 | ||
1374 | *p = v4l2_prio_max(&ch->prio); | |
1375 | ||
1376 | return 0; | |
1377 | } | |
1378 | ||
1379 | static int vpif_s_priority(struct file *file, void *priv, enum v4l2_priority p) | |
1380 | { | |
1381 | struct vpif_fh *fh = priv; | |
1382 | struct channel_obj *ch = fh->channel; | |
1383 | ||
1384 | return v4l2_prio_change(&ch->prio, &fh->prio, p); | |
1385 | } | |
1386 | ||
40c8bcea | 1387 | /** |
0598c17b | 1388 | * vpif_enum_dv_timings() - ENUM_DV_TIMINGS handler |
40c8bcea MR |
1389 | * @file: file ptr |
1390 | * @priv: file handle | |
0598c17b | 1391 | * @timings: input timings |
40c8bcea | 1392 | */ |
0598c17b HV |
1393 | static int |
1394 | vpif_enum_dv_timings(struct file *file, void *priv, | |
1395 | struct v4l2_enum_dv_timings *timings) | |
40c8bcea MR |
1396 | { |
1397 | struct vpif_fh *fh = priv; | |
1398 | struct channel_obj *ch = fh->channel; | |
2bd4e58c | 1399 | int ret; |
40c8bcea | 1400 | |
2bd4e58c | 1401 | ret = v4l2_subdev_call(ch->sd, video, enum_dv_timings, timings); |
63af4af5 | 1402 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
2bd4e58c LP |
1403 | return -EINVAL; |
1404 | return ret; | |
40c8bcea MR |
1405 | } |
1406 | ||
c027e165 MR |
1407 | /** |
1408 | * vpif_s_dv_timings() - S_DV_TIMINGS handler | |
1409 | * @file: file ptr | |
1410 | * @priv: file handle | |
1411 | * @timings: digital video timings | |
1412 | */ | |
1413 | static int vpif_s_dv_timings(struct file *file, void *priv, | |
1414 | struct v4l2_dv_timings *timings) | |
1415 | { | |
1416 | struct vpif_fh *fh = priv; | |
1417 | struct channel_obj *ch = fh->channel; | |
1418 | struct vpif_params *vpifparams = &ch->vpifparams; | |
1419 | struct vpif_channel_config_params *std_info = &vpifparams->std_info; | |
1420 | struct video_obj *vid_ch = &ch->video; | |
0598c17b | 1421 | struct v4l2_bt_timings *bt = &vid_ch->dv_timings.bt; |
c027e165 MR |
1422 | int ret; |
1423 | ||
1424 | if (timings->type != V4L2_DV_BT_656_1120) { | |
1425 | vpif_dbg(2, debug, "Timing type not defined\n"); | |
1426 | return -EINVAL; | |
1427 | } | |
1428 | ||
1429 | /* Configure subdevice timings, if any */ | |
882084ad | 1430 | ret = v4l2_subdev_call(ch->sd, video, s_dv_timings, timings); |
2bd4e58c LP |
1431 | if (ret == -ENOIOCTLCMD || ret == -ENODEV) |
1432 | ret = 0; | |
1433 | if (ret < 0) { | |
c027e165 MR |
1434 | vpif_dbg(2, debug, "Error setting custom DV timings\n"); |
1435 | return ret; | |
1436 | } | |
1437 | ||
1438 | if (!(timings->bt.width && timings->bt.height && | |
1439 | (timings->bt.hbackporch || | |
1440 | timings->bt.hfrontporch || | |
1441 | timings->bt.hsync) && | |
1442 | timings->bt.vfrontporch && | |
1443 | (timings->bt.vbackporch || | |
1444 | timings->bt.vsync))) { | |
1445 | vpif_dbg(2, debug, "Timings for width, height, " | |
1446 | "horizontal back porch, horizontal sync, " | |
1447 | "horizontal front porch, vertical back porch, " | |
1448 | "vertical sync and vertical back porch " | |
1449 | "must be defined\n"); | |
1450 | return -EINVAL; | |
1451 | } | |
1452 | ||
0598c17b | 1453 | vid_ch->dv_timings = *timings; |
c027e165 MR |
1454 | |
1455 | /* Configure video port timings */ | |
1456 | ||
1457 | std_info->eav2sav = bt->hbackporch + bt->hfrontporch + | |
1458 | bt->hsync - 8; | |
1459 | std_info->sav2eav = bt->width; | |
1460 | ||
1461 | std_info->l1 = 1; | |
1462 | std_info->l3 = bt->vsync + bt->vbackporch + 1; | |
1463 | ||
1464 | if (bt->interlaced) { | |
1465 | if (bt->il_vbackporch || bt->il_vfrontporch || bt->il_vsync) { | |
1466 | std_info->vsize = bt->height * 2 + | |
1467 | bt->vfrontporch + bt->vsync + bt->vbackporch + | |
1468 | bt->il_vfrontporch + bt->il_vsync + | |
1469 | bt->il_vbackporch; | |
1470 | std_info->l5 = std_info->vsize/2 - | |
1471 | (bt->vfrontporch - 1); | |
1472 | std_info->l7 = std_info->vsize/2 + 1; | |
1473 | std_info->l9 = std_info->l7 + bt->il_vsync + | |
1474 | bt->il_vbackporch + 1; | |
1475 | std_info->l11 = std_info->vsize - | |
1476 | (bt->il_vfrontporch - 1); | |
1477 | } else { | |
1478 | vpif_dbg(2, debug, "Required timing values for " | |
1479 | "interlaced BT format missing\n"); | |
1480 | return -EINVAL; | |
1481 | } | |
1482 | } else { | |
1483 | std_info->vsize = bt->height + bt->vfrontporch + | |
1484 | bt->vsync + bt->vbackporch; | |
1485 | std_info->l5 = std_info->vsize - (bt->vfrontporch - 1); | |
1486 | } | |
1487 | strncpy(std_info->name, "Custom timings BT656/1120", | |
1488 | VPIF_MAX_NAME); | |
1489 | std_info->width = bt->width; | |
1490 | std_info->height = bt->height; | |
1491 | std_info->frm_fmt = bt->interlaced ? 0 : 1; | |
1492 | std_info->ycmux_mode = 0; | |
1493 | std_info->capture_format = 0; | |
1494 | std_info->vbi_supported = 0; | |
1495 | std_info->hd_sd = 1; | |
1496 | std_info->stdid = 0; | |
c027e165 | 1497 | vid_ch->stdid = 0; |
c027e165 MR |
1498 | |
1499 | return 0; | |
1500 | } | |
1501 | ||
1502 | /** | |
1503 | * vpif_g_dv_timings() - G_DV_TIMINGS handler | |
1504 | * @file: file ptr | |
1505 | * @priv: file handle | |
1506 | * @timings: digital video timings | |
1507 | */ | |
1508 | static int vpif_g_dv_timings(struct file *file, void *priv, | |
1509 | struct v4l2_dv_timings *timings) | |
1510 | { | |
1511 | struct vpif_fh *fh = priv; | |
1512 | struct channel_obj *ch = fh->channel; | |
1513 | struct video_obj *vid_ch = &ch->video; | |
c027e165 | 1514 | |
0598c17b | 1515 | *timings = vid_ch->dv_timings; |
c027e165 MR |
1516 | |
1517 | return 0; | |
1518 | } | |
7036d6a7 MR |
1519 | |
1520 | /* | |
1521 | * vpif_g_chip_ident() - Identify the chip | |
1522 | * @file: file ptr | |
1523 | * @priv: file handle | |
1524 | * @chip: chip identity | |
1525 | * | |
1526 | * Returns zero or -EINVAL if read operations fails. | |
1527 | */ | |
1528 | static int vpif_g_chip_ident(struct file *file, void *priv, | |
1529 | struct v4l2_dbg_chip_ident *chip) | |
1530 | { | |
1531 | chip->ident = V4L2_IDENT_NONE; | |
1532 | chip->revision = 0; | |
1533 | if (chip->match.type != V4L2_CHIP_MATCH_I2C_DRIVER && | |
1534 | chip->match.type != V4L2_CHIP_MATCH_I2C_ADDR) { | |
1535 | vpif_dbg(2, debug, "match_type is invalid.\n"); | |
1536 | return -EINVAL; | |
1537 | } | |
1538 | ||
1539 | return v4l2_device_call_until_err(&vpif_obj.v4l2_dev, 0, core, | |
1540 | g_chip_ident, chip); | |
1541 | } | |
1542 | ||
1543 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1544 | /* | |
1545 | * vpif_dbg_g_register() - Read register | |
1546 | * @file: file ptr | |
1547 | * @priv: file handle | |
1548 | * @reg: register to be read | |
1549 | * | |
1550 | * Debugging only | |
1551 | * Returns zero or -EINVAL if read operations fails. | |
1552 | */ | |
1553 | static int vpif_dbg_g_register(struct file *file, void *priv, | |
1554 | struct v4l2_dbg_register *reg){ | |
1555 | struct vpif_fh *fh = priv; | |
1556 | struct channel_obj *ch = fh->channel; | |
7036d6a7 | 1557 | |
882084ad | 1558 | return v4l2_subdev_call(ch->sd, core, g_register, reg); |
7036d6a7 MR |
1559 | } |
1560 | ||
1561 | /* | |
1562 | * vpif_dbg_s_register() - Write to register | |
1563 | * @file: file ptr | |
1564 | * @priv: file handle | |
1565 | * @reg: register to be modified | |
1566 | * | |
1567 | * Debugging only | |
1568 | * Returns zero or -EINVAL if write operations fails. | |
1569 | */ | |
1570 | static int vpif_dbg_s_register(struct file *file, void *priv, | |
977ba3b1 HV |
1571 | const struct v4l2_dbg_register *reg) |
1572 | { | |
7036d6a7 MR |
1573 | struct vpif_fh *fh = priv; |
1574 | struct channel_obj *ch = fh->channel; | |
7036d6a7 | 1575 | |
882084ad | 1576 | return v4l2_subdev_call(ch->sd, core, s_register, reg); |
7036d6a7 MR |
1577 | } |
1578 | #endif | |
1579 | ||
1580 | /* | |
1581 | * vpif_log_status() - Status information | |
1582 | * @file: file ptr | |
1583 | * @priv: file handle | |
1584 | * | |
1585 | * Returns zero. | |
1586 | */ | |
1587 | static int vpif_log_status(struct file *filep, void *priv) | |
1588 | { | |
1589 | /* status for sub devices */ | |
1590 | v4l2_device_call_all(&vpif_obj.v4l2_dev, 0, core, log_status); | |
1591 | ||
1592 | return 0; | |
1593 | } | |
1594 | ||
e7332e3a C |
1595 | /* vpif display ioctl operations */ |
1596 | static const struct v4l2_ioctl_ops vpif_ioctl_ops = { | |
1597 | .vidioc_querycap = vpif_querycap, | |
1598 | .vidioc_g_priority = vpif_g_priority, | |
1599 | .vidioc_s_priority = vpif_s_priority, | |
1600 | .vidioc_enum_fmt_vid_out = vpif_enum_fmt_vid_out, | |
1601 | .vidioc_g_fmt_vid_out = vpif_g_fmt_vid_out, | |
1602 | .vidioc_s_fmt_vid_out = vpif_s_fmt_vid_out, | |
1603 | .vidioc_try_fmt_vid_out = vpif_try_fmt_vid_out, | |
1604 | .vidioc_reqbufs = vpif_reqbufs, | |
1605 | .vidioc_querybuf = vpif_querybuf, | |
1606 | .vidioc_qbuf = vpif_qbuf, | |
1607 | .vidioc_dqbuf = vpif_dqbuf, | |
1608 | .vidioc_streamon = vpif_streamon, | |
1609 | .vidioc_streamoff = vpif_streamoff, | |
1610 | .vidioc_s_std = vpif_s_std, | |
1611 | .vidioc_g_std = vpif_g_std, | |
1612 | .vidioc_enum_output = vpif_enum_output, | |
1613 | .vidioc_s_output = vpif_s_output, | |
1614 | .vidioc_g_output = vpif_g_output, | |
1615 | .vidioc_cropcap = vpif_cropcap, | |
0598c17b | 1616 | .vidioc_enum_dv_timings = vpif_enum_dv_timings, |
c027e165 MR |
1617 | .vidioc_s_dv_timings = vpif_s_dv_timings, |
1618 | .vidioc_g_dv_timings = vpif_g_dv_timings, | |
7036d6a7 MR |
1619 | .vidioc_g_chip_ident = vpif_g_chip_ident, |
1620 | #ifdef CONFIG_VIDEO_ADV_DEBUG | |
1621 | .vidioc_g_register = vpif_dbg_g_register, | |
1622 | .vidioc_s_register = vpif_dbg_s_register, | |
1623 | #endif | |
1624 | .vidioc_log_status = vpif_log_status, | |
e7332e3a C |
1625 | }; |
1626 | ||
1627 | static const struct v4l2_file_operations vpif_fops = { | |
1628 | .owner = THIS_MODULE, | |
1629 | .open = vpif_open, | |
1630 | .release = vpif_release, | |
9bfaae24 | 1631 | .unlocked_ioctl = video_ioctl2, |
e7332e3a C |
1632 | .mmap = vpif_mmap, |
1633 | .poll = vpif_poll | |
1634 | }; | |
1635 | ||
1636 | static struct video_device vpif_video_template = { | |
1637 | .name = "vpif", | |
1638 | .fops = &vpif_fops, | |
e7332e3a | 1639 | .ioctl_ops = &vpif_ioctl_ops, |
e7332e3a C |
1640 | }; |
1641 | ||
1642 | /*Configure the channels, buffer sizei, request irq */ | |
1643 | static int initialize_vpif(void) | |
1644 | { | |
1645 | int free_channel_objects_index; | |
1646 | int free_buffer_channel_index; | |
1647 | int free_buffer_index; | |
1648 | int err = 0, i, j; | |
1649 | ||
1650 | /* Default number of buffers should be 3 */ | |
1651 | if ((ch2_numbuffers > 0) && | |
1652 | (ch2_numbuffers < config_params.min_numbuffers)) | |
1653 | ch2_numbuffers = config_params.min_numbuffers; | |
1654 | if ((ch3_numbuffers > 0) && | |
1655 | (ch3_numbuffers < config_params.min_numbuffers)) | |
1656 | ch3_numbuffers = config_params.min_numbuffers; | |
1657 | ||
1658 | /* Set buffer size to min buffers size if invalid buffer size is | |
1659 | * given */ | |
1660 | if (ch2_bufsize < config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]) | |
1661 | ch2_bufsize = | |
1662 | config_params.min_bufsize[VPIF_CHANNEL2_VIDEO]; | |
1663 | if (ch3_bufsize < config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]) | |
1664 | ch3_bufsize = | |
1665 | config_params.min_bufsize[VPIF_CHANNEL3_VIDEO]; | |
1666 | ||
1667 | config_params.numbuffers[VPIF_CHANNEL2_VIDEO] = ch2_numbuffers; | |
1668 | ||
1669 | if (ch2_numbuffers) { | |
1670 | config_params.channel_bufsize[VPIF_CHANNEL2_VIDEO] = | |
1671 | ch2_bufsize; | |
1672 | } | |
1673 | config_params.numbuffers[VPIF_CHANNEL3_VIDEO] = ch3_numbuffers; | |
1674 | ||
1675 | if (ch3_numbuffers) { | |
1676 | config_params.channel_bufsize[VPIF_CHANNEL3_VIDEO] = | |
1677 | ch3_bufsize; | |
1678 | } | |
1679 | ||
1680 | /* Allocate memory for six channel objects */ | |
1681 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1682 | vpif_obj.dev[i] = | |
1f8766b4 | 1683 | kzalloc(sizeof(struct channel_obj), GFP_KERNEL); |
e7332e3a C |
1684 | /* If memory allocation fails, return error */ |
1685 | if (!vpif_obj.dev[i]) { | |
1686 | free_channel_objects_index = i; | |
1687 | err = -ENOMEM; | |
1688 | goto vpif_init_free_channel_objects; | |
1689 | } | |
1690 | } | |
1691 | ||
1692 | free_channel_objects_index = VPIF_DISPLAY_MAX_DEVICES; | |
1693 | free_buffer_channel_index = VPIF_DISPLAY_NUM_CHANNELS; | |
1694 | free_buffer_index = config_params.numbuffers[i - 1]; | |
1695 | ||
1696 | return 0; | |
1697 | ||
1698 | vpif_init_free_channel_objects: | |
1699 | for (j = 0; j < free_channel_objects_index; j++) | |
1700 | kfree(vpif_obj.dev[j]); | |
1701 | return err; | |
1702 | } | |
1703 | ||
1704 | /* | |
1705 | * vpif_probe: This function creates device entries by register itself to the | |
1706 | * V4L2 driver and initializes fields of each channel objects | |
1707 | */ | |
1708 | static __init int vpif_probe(struct platform_device *pdev) | |
1709 | { | |
317b2e2f MK |
1710 | struct vpif_subdev_info *subdevdata; |
1711 | struct vpif_display_config *config; | |
01b1d975 HV |
1712 | int i, j = 0, k, err = 0; |
1713 | int res_idx = 0; | |
e7332e3a | 1714 | struct i2c_adapter *i2c_adap; |
e7332e3a C |
1715 | struct common_obj *common; |
1716 | struct channel_obj *ch; | |
1717 | struct video_device *vfd; | |
1718 | struct resource *res; | |
1719 | int subdev_count; | |
fc613d44 | 1720 | size_t size; |
e7332e3a C |
1721 | |
1722 | vpif_dev = &pdev->dev; | |
317b2e2f | 1723 | err = initialize_vpif(); |
e7332e3a | 1724 | |
317b2e2f MK |
1725 | if (err) { |
1726 | v4l2_err(vpif_dev->driver, "Error initializing vpif\n"); | |
1727 | return err; | |
e7332e3a C |
1728 | } |
1729 | ||
e7332e3a C |
1730 | err = v4l2_device_register(vpif_dev, &vpif_obj.v4l2_dev); |
1731 | if (err) { | |
1732 | v4l2_err(vpif_dev->driver, "Error registering v4l2 device\n"); | |
1733 | return err; | |
1734 | } | |
1735 | ||
01b1d975 | 1736 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, res_idx))) { |
e7332e3a | 1737 | for (i = res->start; i <= res->end; i++) { |
0316b89a | 1738 | if (request_irq(i, vpif_channel_isr, IRQF_SHARED, |
01b1d975 HV |
1739 | "VPIF_Display", (void *) |
1740 | (&vpif_obj.dev[res_idx]->channel_id))) { | |
e7332e3a | 1741 | err = -EBUSY; |
01b1d975 HV |
1742 | for (j = 0; j < i; j++) |
1743 | free_irq(j, (void *) | |
1744 | (&vpif_obj.dev[res_idx]->channel_id)); | |
e7332e3a C |
1745 | goto vpif_int_err; |
1746 | } | |
1747 | } | |
01b1d975 | 1748 | res_idx++; |
e7332e3a C |
1749 | } |
1750 | ||
1751 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
e7332e3a C |
1752 | /* Get the pointer to the channel object */ |
1753 | ch = vpif_obj.dev[i]; | |
1754 | ||
1755 | /* Allocate memory for video device */ | |
1756 | vfd = video_device_alloc(); | |
1757 | if (vfd == NULL) { | |
1758 | for (j = 0; j < i; j++) { | |
1759 | ch = vpif_obj.dev[j]; | |
1760 | video_device_release(ch->video_dev); | |
1761 | } | |
1762 | err = -ENOMEM; | |
317b2e2f | 1763 | goto vpif_int_err; |
e7332e3a C |
1764 | } |
1765 | ||
1766 | /* Initialize field of video device */ | |
1767 | *vfd = vpif_video_template; | |
1768 | vfd->v4l2_dev = &vpif_obj.v4l2_dev; | |
1769 | vfd->release = video_device_release; | |
954f340f | 1770 | vfd->vfl_dir = VFL_DIR_TX; |
e7332e3a | 1771 | snprintf(vfd->name, sizeof(vfd->name), |
0a63172a | 1772 | "VPIF_Display_DRIVER_V%s", |
64dc3c1a | 1773 | VPIF_DISPLAY_VERSION); |
e7332e3a C |
1774 | |
1775 | /* Set video_dev to the video device */ | |
1776 | ch->video_dev = vfd; | |
1777 | } | |
1778 | ||
fc613d44 MH |
1779 | res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
1780 | if (res) { | |
1781 | size = resource_size(res); | |
1782 | /* The resources are divided into two equal memory and when | |
1783 | * we have HD output we can add them together | |
1784 | */ | |
1785 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { | |
1786 | ch = vpif_obj.dev[j]; | |
1787 | ch->channel_id = j; | |
1788 | ||
1789 | /* only enabled if second resource exists */ | |
1790 | config_params.video_limit[ch->channel_id] = 0; | |
1791 | if (size) | |
1792 | config_params.video_limit[ch->channel_id] = | |
1793 | size/2; | |
1794 | } | |
1795 | } | |
1796 | ||
e6067f8b HV |
1797 | i2c_adap = i2c_get_adapter(1); |
1798 | config = pdev->dev.platform_data; | |
1799 | subdev_count = config->subdev_count; | |
1800 | subdevdata = config->subdevinfo; | |
1801 | vpif_obj.sd = kzalloc(sizeof(struct v4l2_subdev *) * subdev_count, | |
1802 | GFP_KERNEL); | |
1803 | if (vpif_obj.sd == NULL) { | |
1804 | vpif_err("unable to allocate memory for subdevice pointers\n"); | |
1805 | err = -ENOMEM; | |
01b1d975 | 1806 | goto vpif_sd_error; |
e6067f8b HV |
1807 | } |
1808 | ||
1809 | for (i = 0; i < subdev_count; i++) { | |
1810 | vpif_obj.sd[i] = v4l2_i2c_new_subdev_board(&vpif_obj.v4l2_dev, | |
1811 | i2c_adap, | |
1812 | &subdevdata[i].board_info, | |
1813 | NULL); | |
1814 | if (!vpif_obj.sd[i]) { | |
1815 | vpif_err("Error registering v4l2 subdevice\n"); | |
1816 | goto probe_subdev_out; | |
1817 | } | |
1818 | ||
1819 | if (vpif_obj.sd[i]) | |
1820 | vpif_obj.sd[i]->grp_id = 1 << i; | |
1821 | } | |
1822 | ||
e7332e3a C |
1823 | for (j = 0; j < VPIF_DISPLAY_MAX_DEVICES; j++) { |
1824 | ch = vpif_obj.dev[j]; | |
1825 | /* Initialize field of the channel objects */ | |
1826 | atomic_set(&ch->usrs, 0); | |
1827 | for (k = 0; k < VPIF_NUMOBJECTS; k++) { | |
1828 | ch->common[k].numbuffers = 0; | |
1829 | common = &ch->common[k]; | |
1830 | common->io_usrs = 0; | |
1831 | common->started = 0; | |
1832 | spin_lock_init(&common->irqlock); | |
1833 | mutex_init(&common->lock); | |
1834 | common->numbuffers = 0; | |
1835 | common->set_addr = NULL; | |
1836 | common->ytop_off = common->ybtm_off = 0; | |
1837 | common->ctop_off = common->cbtm_off = 0; | |
1838 | common->cur_frm = common->next_frm = NULL; | |
1839 | memset(&common->fmt, 0, sizeof(common->fmt)); | |
1840 | common->numbuffers = config_params.numbuffers[k]; | |
1841 | ||
1842 | } | |
1843 | ch->initialized = 0; | |
882084ad HV |
1844 | if (subdev_count) |
1845 | ch->sd = vpif_obj.sd[0]; | |
e7332e3a C |
1846 | ch->channel_id = j; |
1847 | if (j < 2) | |
1848 | ch->common[VPIF_VIDEO_INDEX].numbuffers = | |
1849 | config_params.numbuffers[ch->channel_id]; | |
1850 | else | |
1851 | ch->common[VPIF_VIDEO_INDEX].numbuffers = 0; | |
1852 | ||
1853 | memset(&ch->vpifparams, 0, sizeof(ch->vpifparams)); | |
1854 | ||
1855 | /* Initialize prio member of channel object */ | |
1856 | v4l2_prio_init(&ch->prio); | |
1857 | ch->common[VPIF_VIDEO_INDEX].fmt.type = | |
1858 | V4L2_BUF_TYPE_VIDEO_OUTPUT; | |
9bfaae24 | 1859 | ch->video_dev->lock = &common->lock; |
e6067f8b | 1860 | video_set_drvdata(ch->video_dev, ch); |
e7332e3a | 1861 | |
2bd4e58c LP |
1862 | /* select output 0 */ |
1863 | err = vpif_set_output(config, ch, 0); | |
1864 | if (err) | |
1865 | goto probe_out; | |
1866 | ||
e7332e3a C |
1867 | /* register video device */ |
1868 | vpif_dbg(1, debug, "channel=%x,channel->video_dev=%x\n", | |
1869 | (int)ch, (int)&ch->video_dev); | |
1870 | ||
1871 | err = video_register_device(ch->video_dev, | |
1872 | VFL_TYPE_GRABBER, (j ? 3 : 2)); | |
1873 | if (err < 0) | |
1874 | goto probe_out; | |
e7332e3a C |
1875 | } |
1876 | ||
2c0ddd17 | 1877 | v4l2_info(&vpif_obj.v4l2_dev, |
0a63172a | 1878 | " VPIF display driver initialized\n"); |
e7332e3a C |
1879 | return 0; |
1880 | ||
e7332e3a C |
1881 | probe_out: |
1882 | for (k = 0; k < j; k++) { | |
1883 | ch = vpif_obj.dev[k]; | |
1884 | video_unregister_device(ch->video_dev); | |
1885 | video_device_release(ch->video_dev); | |
1886 | ch->video_dev = NULL; | |
1887 | } | |
e6067f8b HV |
1888 | probe_subdev_out: |
1889 | kfree(vpif_obj.sd); | |
01b1d975 HV |
1890 | vpif_sd_error: |
1891 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1892 | ch = vpif_obj.dev[i]; | |
1893 | /* Note: does nothing if ch->video_dev == NULL */ | |
1894 | video_device_release(ch->video_dev); | |
1895 | } | |
e7332e3a C |
1896 | vpif_int_err: |
1897 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1898 | vpif_err("VPIF IRQ request failed\n"); | |
01b1d975 HV |
1899 | for (i = 0; i < res_idx; i++) { |
1900 | res = platform_get_resource(pdev, IORESOURCE_IRQ, i); | |
1901 | for (j = res->start; j <= res->end; j++) | |
1902 | free_irq(j, (void *)(&vpif_obj.dev[i]->channel_id)); | |
e7332e3a | 1903 | } |
e7332e3a C |
1904 | |
1905 | return err; | |
1906 | } | |
1907 | ||
1908 | /* | |
1909 | * vpif_remove: It un-register channels from V4L2 driver | |
1910 | */ | |
1911 | static int vpif_remove(struct platform_device *device) | |
1912 | { | |
1913 | struct channel_obj *ch; | |
1914 | int i; | |
1915 | ||
1916 | v4l2_device_unregister(&vpif_obj.v4l2_dev); | |
1917 | ||
1918 | /* un-register device */ | |
1919 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1920 | /* Get the pointer to the channel object */ | |
1921 | ch = vpif_obj.dev[i]; | |
1922 | /* Unregister video device */ | |
1923 | video_unregister_device(ch->video_dev); | |
1924 | ||
1925 | ch->video_dev = NULL; | |
1926 | } | |
1927 | ||
1928 | return 0; | |
1929 | } | |
1930 | ||
e9530dac MH |
1931 | #ifdef CONFIG_PM |
1932 | static int vpif_suspend(struct device *dev) | |
1933 | { | |
1934 | struct common_obj *common; | |
1935 | struct channel_obj *ch; | |
1936 | int i; | |
1937 | ||
1938 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1939 | /* Get the pointer to the channel object */ | |
1940 | ch = vpif_obj.dev[i]; | |
1941 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
1942 | mutex_lock(&common->lock); | |
1943 | if (atomic_read(&ch->usrs) && common->io_usrs) { | |
1944 | /* Disable channel */ | |
1945 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1946 | enable_channel2(0); | |
1947 | channel2_intr_enable(0); | |
1948 | } | |
1949 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1950 | common->started == 2) { | |
1951 | enable_channel3(0); | |
1952 | channel3_intr_enable(0); | |
1953 | } | |
1954 | } | |
1955 | mutex_unlock(&common->lock); | |
1956 | } | |
1957 | ||
1958 | return 0; | |
1959 | } | |
1960 | ||
1961 | static int vpif_resume(struct device *dev) | |
1962 | { | |
1963 | ||
1964 | struct common_obj *common; | |
1965 | struct channel_obj *ch; | |
1966 | int i; | |
1967 | ||
1968 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) { | |
1969 | /* Get the pointer to the channel object */ | |
1970 | ch = vpif_obj.dev[i]; | |
1971 | common = &ch->common[VPIF_VIDEO_INDEX]; | |
1972 | mutex_lock(&common->lock); | |
1973 | if (atomic_read(&ch->usrs) && common->io_usrs) { | |
1974 | /* Enable channel */ | |
1975 | if (ch->channel_id == VPIF_CHANNEL2_VIDEO) { | |
1976 | enable_channel2(1); | |
1977 | channel2_intr_enable(1); | |
1978 | } | |
1979 | if (ch->channel_id == VPIF_CHANNEL3_VIDEO || | |
1980 | common->started == 2) { | |
1981 | enable_channel3(1); | |
1982 | channel3_intr_enable(1); | |
1983 | } | |
1984 | } | |
1985 | mutex_unlock(&common->lock); | |
1986 | } | |
1987 | ||
1988 | return 0; | |
1989 | } | |
1990 | ||
1991 | static const struct dev_pm_ops vpif_pm = { | |
1992 | .suspend = vpif_suspend, | |
1993 | .resume = vpif_resume, | |
1994 | }; | |
1995 | ||
1996 | #define vpif_pm_ops (&vpif_pm) | |
1997 | #else | |
1998 | #define vpif_pm_ops NULL | |
1999 | #endif | |
2000 | ||
ffa1b391 | 2001 | static __refdata struct platform_driver vpif_driver = { |
e7332e3a C |
2002 | .driver = { |
2003 | .name = "vpif_display", | |
2004 | .owner = THIS_MODULE, | |
e9530dac | 2005 | .pm = vpif_pm_ops, |
e7332e3a C |
2006 | }, |
2007 | .probe = vpif_probe, | |
2008 | .remove = vpif_remove, | |
2009 | }; | |
2010 | ||
2011 | static __init int vpif_init(void) | |
2012 | { | |
2013 | return platform_driver_register(&vpif_driver); | |
2014 | } | |
2015 | ||
2016 | /* | |
2017 | * vpif_cleanup: This function un-registers device and driver to the kernel, | |
2018 | * frees requested irq handler and de-allocates memory allocated for channel | |
2019 | * objects. | |
2020 | */ | |
2021 | static void vpif_cleanup(void) | |
2022 | { | |
2023 | struct platform_device *pdev; | |
2024 | struct resource *res; | |
2025 | int irq_num; | |
2026 | int i = 0; | |
2027 | ||
2028 | pdev = container_of(vpif_dev, struct platform_device, dev); | |
2029 | ||
2030 | while ((res = platform_get_resource(pdev, IORESOURCE_IRQ, i))) { | |
2031 | for (irq_num = res->start; irq_num <= res->end; irq_num++) | |
2032 | free_irq(irq_num, | |
2033 | (void *)(&vpif_obj.dev[i]->channel_id)); | |
2034 | i++; | |
2035 | } | |
2036 | ||
e7332e3a C |
2037 | platform_driver_unregister(&vpif_driver); |
2038 | kfree(vpif_obj.sd); | |
2039 | for (i = 0; i < VPIF_DISPLAY_MAX_DEVICES; i++) | |
2040 | kfree(vpif_obj.dev[i]); | |
2041 | } | |
2042 | ||
2043 | module_init(vpif_init); | |
2044 | module_exit(vpif_cleanup); |