1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Driver for the Conexant CX23885 PCIe bridge
4 *
5 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6 */
7
8 #include "cx23885.h"
9 #include "cx23885-video.h"
10
11 #include <linux/init.h>
12 #include <linux/list.h>
13 #include <linux/module.h>
14 #include <linux/moduleparam.h>
15 #include <linux/kmod.h>
16 #include <linux/kernel.h>
17 #include <linux/slab.h>
18 #include <linux/interrupt.h>
19 #include <linux/delay.h>
20 #include <linux/kthread.h>
21 #include <asm/div64.h>
22
23 #include <media/v4l2-common.h>
24 #include <media/v4l2-ioctl.h>
25 #include <media/v4l2-event.h>
26 #include "cx23885-ioctl.h"
27 #include "tuner-xc2028.h"
28
29 #include <media/drv-intf/cx25840.h>
30
31 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
32 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
33 MODULE_LICENSE("GPL");
34
35 /* ------------------------------------------------------------------ */
36
37 static unsigned int video_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
38 static unsigned int vbi_nr[] = {[0 ... (CX23885_MAXBOARDS - 1)] = UNSET };
39
40 module_param_array(video_nr, int, NULL, 0444);
41 module_param_array(vbi_nr, int, NULL, 0444);
42
43 MODULE_PARM_DESC(video_nr, "video device numbers");
44 MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
45
46 static unsigned int video_debug;
47 module_param(video_debug, int, 0644);
48 MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
49
50 static unsigned int irq_debug;
51 module_param(irq_debug, int, 0644);
52 MODULE_PARM_DESC(irq_debug, "enable debug messages [IRQ handler]");
53
54 static unsigned int vid_limit = 16;
55 module_param(vid_limit, int, 0644);
56 MODULE_PARM_DESC(vid_limit, "capture memory limit in megabytes");
57
58 #define dprintk(level, fmt, arg...)\
59 do { if (video_debug >= level)\
60 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
61 __func__, ##arg); \
62 } while (0)
63
64 /* ------------------------------------------------------------------- */
65 /* static data */
66
67 #define FORMAT_FLAGS_PACKED 0x01
68 static struct cx23885_fmt formats[] = {
69 {
70 .fourcc = V4L2_PIX_FMT_YUYV,
71 .depth = 16,
72 .flags = FORMAT_FLAGS_PACKED,
73 }
74 };
75
format_by_fourcc(unsigned int fourcc)76 static struct cx23885_fmt *format_by_fourcc(unsigned int fourcc)
77 {
78 unsigned int i;
79
80 for (i = 0; i < ARRAY_SIZE(formats); i++)
81 if (formats[i].fourcc == fourcc)
82 return formats+i;
83 return NULL;
84 }
85
86 /* ------------------------------------------------------------------- */
87
cx23885_video_wakeup(struct cx23885_dev * dev,struct cx23885_dmaqueue * q,u32 count)88 void cx23885_video_wakeup(struct cx23885_dev *dev,
89 struct cx23885_dmaqueue *q, u32 count)
90 {
91 struct cx23885_buffer *buf;
92
93 if (list_empty(&q->active))
94 return;
95 buf = list_entry(q->active.next,
96 struct cx23885_buffer, queue);
97
98 buf->vb.sequence = q->count++;
99 buf->vb.vb2_buf.timestamp = ktime_get_ns();
100 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf,
101 buf->vb.vb2_buf.index, count, q->count);
102 list_del(&buf->queue);
103 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_DONE);
104 }
105
cx23885_set_tvnorm(struct cx23885_dev * dev,v4l2_std_id norm)106 int cx23885_set_tvnorm(struct cx23885_dev *dev, v4l2_std_id norm)
107 {
108 struct v4l2_subdev_format format = {
109 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
110 .format.code = MEDIA_BUS_FMT_FIXED,
111 };
112
113 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
114 __func__,
115 (unsigned int)norm,
116 v4l2_norm_to_name(norm));
117
118 if (dev->tvnorm == norm)
119 return 0;
120
121 if (dev->tvnorm != norm) {
122 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
123 vb2_is_busy(&dev->vb2_mpegq))
124 return -EBUSY;
125 }
126
127 dev->tvnorm = norm;
128 dev->width = 720;
129 dev->height = norm_maxh(norm);
130 dev->field = V4L2_FIELD_INTERLACED;
131
132 call_all(dev, video, s_std, norm);
133
134 format.format.width = dev->width;
135 format.format.height = dev->height;
136 format.format.field = dev->field;
137 call_all(dev, pad, set_fmt, NULL, &format);
138
139 return 0;
140 }
141
cx23885_vdev_init(struct cx23885_dev * dev,struct pci_dev * pci,struct video_device * template,char * type)142 static struct video_device *cx23885_vdev_init(struct cx23885_dev *dev,
143 struct pci_dev *pci,
144 struct video_device *template,
145 char *type)
146 {
147 struct video_device *vfd;
148 dprintk(1, "%s()\n", __func__);
149
150 vfd = video_device_alloc();
151 if (NULL == vfd)
152 return NULL;
153 *vfd = *template;
154 vfd->v4l2_dev = &dev->v4l2_dev;
155 vfd->release = video_device_release;
156 vfd->lock = &dev->lock;
157 snprintf(vfd->name, sizeof(vfd->name), "%s (%s)",
158 cx23885_boards[dev->board].name, type);
159 video_set_drvdata(vfd, dev);
160 return vfd;
161 }
162
cx23885_flatiron_write(struct cx23885_dev * dev,u8 reg,u8 data)163 int cx23885_flatiron_write(struct cx23885_dev *dev, u8 reg, u8 data)
164 {
165 /* 8 bit registers, 8 bit values */
166 u8 buf[] = { reg, data };
167
168 struct i2c_msg msg = { .addr = 0x98 >> 1,
169 .flags = 0, .buf = buf, .len = 2 };
170
171 return i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg, 1);
172 }
173
cx23885_flatiron_read(struct cx23885_dev * dev,u8 reg)174 u8 cx23885_flatiron_read(struct cx23885_dev *dev, u8 reg)
175 {
176 /* 8 bit registers, 8 bit values */
177 int ret;
178 u8 b0[] = { reg };
179 u8 b1[] = { 0 };
180
181 struct i2c_msg msg[] = {
182 { .addr = 0x98 >> 1, .flags = 0, .buf = b0, .len = 1 },
183 { .addr = 0x98 >> 1, .flags = I2C_M_RD, .buf = b1, .len = 1 }
184 };
185
186 ret = i2c_transfer(&dev->i2c_bus[2].i2c_adap, &msg[0], 2);
187 if (ret != 2)
188 pr_err("%s() error\n", __func__);
189
190 return b1[0];
191 }
192
cx23885_flatiron_dump(struct cx23885_dev * dev)193 static void cx23885_flatiron_dump(struct cx23885_dev *dev)
194 {
195 int i;
196 dprintk(1, "Flatiron dump\n");
197 for (i = 0; i < 0x24; i++) {
198 dprintk(1, "FI[%02x] = %02x\n", i,
199 cx23885_flatiron_read(dev, i));
200 }
201 }
202
cx23885_flatiron_mux(struct cx23885_dev * dev,int input)203 static int cx23885_flatiron_mux(struct cx23885_dev *dev, int input)
204 {
205 u8 val;
206 dprintk(1, "%s(input = %d)\n", __func__, input);
207
208 if (input == 1)
209 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) & ~FLD_CH_SEL;
210 else if (input == 2)
211 val = cx23885_flatiron_read(dev, CH_PWR_CTRL1) | FLD_CH_SEL;
212 else
213 return -EINVAL;
214
215 val |= 0x20; /* Enable clock to delta-sigma and dec filter */
216
217 cx23885_flatiron_write(dev, CH_PWR_CTRL1, val);
218
219 /* Wake up */
220 cx23885_flatiron_write(dev, CH_PWR_CTRL2, 0);
221
222 if (video_debug)
223 cx23885_flatiron_dump(dev);
224
225 return 0;
226 }
227
cx23885_video_mux(struct cx23885_dev * dev,unsigned int input)228 static int cx23885_video_mux(struct cx23885_dev *dev, unsigned int input)
229 {
230 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
231 __func__,
232 input, INPUT(input)->vmux,
233 INPUT(input)->gpio0, INPUT(input)->gpio1,
234 INPUT(input)->gpio2, INPUT(input)->gpio3);
235 dev->input = input;
236
237 if (dev->board == CX23885_BOARD_MYGICA_X8506 ||
238 dev->board == CX23885_BOARD_MAGICPRO_PROHDTVE2 ||
239 dev->board == CX23885_BOARD_MYGICA_X8507) {
240 /* Select Analog TV */
241 if (INPUT(input)->type == CX23885_VMUX_TELEVISION)
242 cx23885_gpio_clear(dev, GPIO_0);
243 }
244
245 /* Tell the internal A/V decoder */
246 v4l2_subdev_call(dev->sd_cx25840, video, s_routing,
247 INPUT(input)->vmux, 0, 0);
248
249 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1800) ||
250 (dev->board == CX23885_BOARD_MPX885) ||
251 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1250) ||
252 (dev->board == CX23885_BOARD_HAUPPAUGE_IMPACTVCBE) ||
253 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
254 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
255 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
256 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC) ||
257 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
258 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
259 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
260 (dev->board == CX23885_BOARD_MYGICA_X8507) ||
261 (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) ||
262 (dev->board == CX23885_BOARD_VIEWCAST_260E) ||
263 (dev->board == CX23885_BOARD_VIEWCAST_460E) ||
264 (dev->board == CX23885_BOARD_AVERMEDIA_CE310B)) {
265 /* Configure audio routing */
266 v4l2_subdev_call(dev->sd_cx25840, audio, s_routing,
267 INPUT(input)->amux, 0, 0);
268
269 if (INPUT(input)->amux == CX25840_AUDIO7)
270 cx23885_flatiron_mux(dev, 1);
271 else if (INPUT(input)->amux == CX25840_AUDIO6)
272 cx23885_flatiron_mux(dev, 2);
273 }
274
275 return 0;
276 }
277
cx23885_audio_mux(struct cx23885_dev * dev,unsigned int input)278 static int cx23885_audio_mux(struct cx23885_dev *dev, unsigned int input)
279 {
280 dprintk(1, "%s(input=%d)\n", __func__, input);
281
282 /* The baseband video core of the cx23885 has two audio inputs.
283 * LR1 and LR2. In almost every single case so far only HVR1xxx
284 * cards we've only ever supported LR1. Time to support LR2,
285 * which is available via the optional white breakout header on
286 * the board.
287 * We'll use a could of existing enums in the card struct to allow
288 * devs to specify which baseband input they need, or just default
289 * to what we've always used.
290 */
291 if (INPUT(input)->amux == CX25840_AUDIO7)
292 cx23885_flatiron_mux(dev, 1);
293 else if (INPUT(input)->amux == CX25840_AUDIO6)
294 cx23885_flatiron_mux(dev, 2);
295 else {
296 /* Not specifically defined, assume the default. */
297 cx23885_flatiron_mux(dev, 1);
298 }
299
300 return 0;
301 }
302
303 /* ------------------------------------------------------------------ */
cx23885_start_video_dma(struct cx23885_dev * dev,struct cx23885_dmaqueue * q,struct cx23885_buffer * buf)304 static int cx23885_start_video_dma(struct cx23885_dev *dev,
305 struct cx23885_dmaqueue *q,
306 struct cx23885_buffer *buf)
307 {
308 dprintk(1, "%s()\n", __func__);
309
310 /* Stop the dma/fifo before we tamper with it's risc programs */
311 cx_clear(VID_A_DMA_CTL, 0x11);
312
313 /* setup fifo + format */
314 cx23885_sram_channel_setup(dev, &dev->sram_channels[SRAM_CH01],
315 buf->bpl, buf->risc.dma);
316
317 /* reset counter */
318 cx_write(VID_A_GPCNT_CTL, 3);
319 q->count = 0;
320
321 /* enable irq */
322 cx23885_irq_add_enable(dev, 0x01);
323 cx_set(VID_A_INT_MSK, 0x000011);
324
325 /* start dma */
326 cx_set(DEV_CNTRL2, (1<<5));
327 cx_set(VID_A_DMA_CTL, 0x11); /* FIFO and RISC enable */
328
329 return 0;
330 }
331
queue_setup(struct vb2_queue * q,unsigned int * num_buffers,unsigned int * num_planes,unsigned int sizes[],struct device * alloc_devs[])332 static int queue_setup(struct vb2_queue *q,
333 unsigned int *num_buffers, unsigned int *num_planes,
334 unsigned int sizes[], struct device *alloc_devs[])
335 {
336 struct cx23885_dev *dev = q->drv_priv;
337
338 *num_planes = 1;
339 sizes[0] = (dev->fmt->depth * dev->width * dev->height) >> 3;
340 return 0;
341 }
342
buffer_prepare(struct vb2_buffer * vb)343 static int buffer_prepare(struct vb2_buffer *vb)
344 {
345 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
346 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
347 struct cx23885_buffer *buf =
348 container_of(vbuf, struct cx23885_buffer, vb);
349 u32 line0_offset, line1_offset;
350 struct sg_table *sgt = vb2_dma_sg_plane_desc(vb, 0);
351 int field_tff;
352
353 buf->bpl = (dev->width * dev->fmt->depth) >> 3;
354
355 if (vb2_plane_size(vb, 0) < dev->height * buf->bpl)
356 return -EINVAL;
357 vb2_set_plane_payload(vb, 0, dev->height * buf->bpl);
358
359 switch (dev->field) {
360 case V4L2_FIELD_TOP:
361 cx23885_risc_buffer(dev->pci, &buf->risc,
362 sgt->sgl, 0, UNSET,
363 buf->bpl, 0, dev->height);
364 break;
365 case V4L2_FIELD_BOTTOM:
366 cx23885_risc_buffer(dev->pci, &buf->risc,
367 sgt->sgl, UNSET, 0,
368 buf->bpl, 0, dev->height);
369 break;
370 case V4L2_FIELD_INTERLACED:
371 if (dev->tvnorm & V4L2_STD_525_60)
372 /* NTSC or */
373 field_tff = 1;
374 else
375 field_tff = 0;
376
377 if (cx23885_boards[dev->board].force_bff)
378 /* PAL / SECAM OR 888 in NTSC MODE */
379 field_tff = 0;
380
381 if (field_tff) {
382 /* cx25840 transmits NTSC bottom field first */
383 dprintk(1, "%s() Creating TFF/NTSC risc\n",
384 __func__);
385 line0_offset = buf->bpl;
386 line1_offset = 0;
387 } else {
388 /* All other formats are top field first */
389 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
390 __func__);
391 line0_offset = 0;
392 line1_offset = buf->bpl;
393 }
394 cx23885_risc_buffer(dev->pci, &buf->risc,
395 sgt->sgl, line0_offset,
396 line1_offset,
397 buf->bpl, buf->bpl,
398 dev->height >> 1);
399 break;
400 case V4L2_FIELD_SEQ_TB:
401 cx23885_risc_buffer(dev->pci, &buf->risc,
402 sgt->sgl,
403 0, buf->bpl * (dev->height >> 1),
404 buf->bpl, 0,
405 dev->height >> 1);
406 break;
407 case V4L2_FIELD_SEQ_BT:
408 cx23885_risc_buffer(dev->pci, &buf->risc,
409 sgt->sgl,
410 buf->bpl * (dev->height >> 1), 0,
411 buf->bpl, 0,
412 dev->height >> 1);
413 break;
414 default:
415 BUG();
416 }
417 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp 0x%08x - dma=0x%08lx\n",
418 buf, buf->vb.vb2_buf.index,
419 dev->width, dev->height, dev->fmt->depth, dev->fmt->fourcc,
420 (unsigned long)buf->risc.dma);
421 return 0;
422 }
423
buffer_finish(struct vb2_buffer * vb)424 static void buffer_finish(struct vb2_buffer *vb)
425 {
426 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
427 struct cx23885_buffer *buf = container_of(vbuf,
428 struct cx23885_buffer, vb);
429
430 cx23885_free_buffer(vb->vb2_queue->drv_priv, buf);
431 }
432
433 /*
434 * The risc program for each buffer works as follows: it starts with a simple
435 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
436 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
437 * the initial JUMP).
438 *
439 * This is the risc program of the first buffer to be queued if the active list
440 * is empty and it just keeps DMAing this buffer without generating any
441 * interrupts.
442 *
443 * If a new buffer is added then the initial JUMP in the code for that buffer
444 * will generate an interrupt which signals that the previous buffer has been
445 * DMAed successfully and that it can be returned to userspace.
446 *
447 * It also sets the final jump of the previous buffer to the start of the new
448 * buffer, thus chaining the new buffer into the DMA chain. This is a single
449 * atomic u32 write, so there is no race condition.
450 *
451 * The end-result of all this that you only get an interrupt when a buffer
452 * is ready, so the control flow is very easy.
453 */
buffer_queue(struct vb2_buffer * vb)454 static void buffer_queue(struct vb2_buffer *vb)
455 {
456 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
457 struct cx23885_dev *dev = vb->vb2_queue->drv_priv;
458 struct cx23885_buffer *buf = container_of(vbuf,
459 struct cx23885_buffer, vb);
460 struct cx23885_buffer *prev;
461 struct cx23885_dmaqueue *q = &dev->vidq;
462 unsigned long flags;
463
464 /* add jump to start */
465 buf->risc.cpu[1] = cpu_to_le32(buf->risc.dma + 12);
466 buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP | RISC_CNT_INC);
467 buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma + 12);
468 buf->risc.jmp[2] = cpu_to_le32(0); /* bits 63-32 */
469
470 spin_lock_irqsave(&dev->slock, flags);
471 if (list_empty(&q->active)) {
472 list_add_tail(&buf->queue, &q->active);
473 dprintk(2, "[%p/%d] buffer_queue - first active\n",
474 buf, buf->vb.vb2_buf.index);
475 } else {
476 buf->risc.cpu[0] |= cpu_to_le32(RISC_IRQ1);
477 prev = list_entry(q->active.prev, struct cx23885_buffer,
478 queue);
479 list_add_tail(&buf->queue, &q->active);
480 prev->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
481 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
482 buf, buf->vb.vb2_buf.index);
483 }
484 spin_unlock_irqrestore(&dev->slock, flags);
485 }
486
cx23885_start_streaming(struct vb2_queue * q,unsigned int count)487 static int cx23885_start_streaming(struct vb2_queue *q, unsigned int count)
488 {
489 struct cx23885_dev *dev = q->drv_priv;
490 struct cx23885_dmaqueue *dmaq = &dev->vidq;
491 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
492 struct cx23885_buffer, queue);
493
494 cx23885_start_video_dma(dev, dmaq, buf);
495 return 0;
496 }
497
cx23885_stop_streaming(struct vb2_queue * q)498 static void cx23885_stop_streaming(struct vb2_queue *q)
499 {
500 struct cx23885_dev *dev = q->drv_priv;
501 struct cx23885_dmaqueue *dmaq = &dev->vidq;
502 unsigned long flags;
503
504 cx_clear(VID_A_DMA_CTL, 0x11);
505 spin_lock_irqsave(&dev->slock, flags);
506 while (!list_empty(&dmaq->active)) {
507 struct cx23885_buffer *buf = list_entry(dmaq->active.next,
508 struct cx23885_buffer, queue);
509
510 list_del(&buf->queue);
511 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
512 }
513 spin_unlock_irqrestore(&dev->slock, flags);
514 }
515
516 static const struct vb2_ops cx23885_video_qops = {
517 .queue_setup = queue_setup,
518 .buf_prepare = buffer_prepare,
519 .buf_finish = buffer_finish,
520 .buf_queue = buffer_queue,
521 .wait_prepare = vb2_ops_wait_prepare,
522 .wait_finish = vb2_ops_wait_finish,
523 .start_streaming = cx23885_start_streaming,
524 .stop_streaming = cx23885_stop_streaming,
525 };
526
527 /* ------------------------------------------------------------------ */
528 /* VIDEO IOCTLS */
529
vidioc_g_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)530 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
531 struct v4l2_format *f)
532 {
533 struct cx23885_dev *dev = video_drvdata(file);
534
535 f->fmt.pix.width = dev->width;
536 f->fmt.pix.height = dev->height;
537 f->fmt.pix.field = dev->field;
538 f->fmt.pix.pixelformat = dev->fmt->fourcc;
539 f->fmt.pix.bytesperline =
540 (f->fmt.pix.width * dev->fmt->depth) >> 3;
541 f->fmt.pix.sizeimage =
542 f->fmt.pix.height * f->fmt.pix.bytesperline;
543 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
544
545 return 0;
546 }
547
vidioc_try_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)548 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
549 struct v4l2_format *f)
550 {
551 struct cx23885_dev *dev = video_drvdata(file);
552 struct cx23885_fmt *fmt;
553 enum v4l2_field field;
554 unsigned int maxw, maxh;
555
556 fmt = format_by_fourcc(f->fmt.pix.pixelformat);
557 if (NULL == fmt)
558 return -EINVAL;
559
560 field = f->fmt.pix.field;
561 maxw = 720;
562 maxh = norm_maxh(dev->tvnorm);
563
564 if (V4L2_FIELD_ANY == field) {
565 field = (f->fmt.pix.height > maxh/2)
566 ? V4L2_FIELD_INTERLACED
567 : V4L2_FIELD_BOTTOM;
568 }
569
570 switch (field) {
571 case V4L2_FIELD_TOP:
572 case V4L2_FIELD_BOTTOM:
573 maxh = maxh / 2;
574 break;
575 case V4L2_FIELD_INTERLACED:
576 case V4L2_FIELD_SEQ_TB:
577 case V4L2_FIELD_SEQ_BT:
578 break;
579 default:
580 field = V4L2_FIELD_INTERLACED;
581 break;
582 }
583
584 f->fmt.pix.field = field;
585 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
586 &f->fmt.pix.height, 32, maxh, 0, 0);
587 f->fmt.pix.bytesperline =
588 (f->fmt.pix.width * fmt->depth) >> 3;
589 f->fmt.pix.sizeimage =
590 f->fmt.pix.height * f->fmt.pix.bytesperline;
591 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
592
593 return 0;
594 }
595
vidioc_s_fmt_vid_cap(struct file * file,void * priv,struct v4l2_format * f)596 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
597 struct v4l2_format *f)
598 {
599 struct cx23885_dev *dev = video_drvdata(file);
600 struct v4l2_subdev_format format = {
601 .which = V4L2_SUBDEV_FORMAT_ACTIVE,
602 };
603 int err;
604
605 dprintk(2, "%s()\n", __func__);
606 err = vidioc_try_fmt_vid_cap(file, priv, f);
607
608 if (0 != err)
609 return err;
610
611 if (vb2_is_busy(&dev->vb2_vidq) || vb2_is_busy(&dev->vb2_vbiq) ||
612 vb2_is_busy(&dev->vb2_mpegq))
613 return -EBUSY;
614
615 dev->fmt = format_by_fourcc(f->fmt.pix.pixelformat);
616 dev->width = f->fmt.pix.width;
617 dev->height = f->fmt.pix.height;
618 dev->field = f->fmt.pix.field;
619 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__,
620 dev->width, dev->height, dev->field);
621 v4l2_fill_mbus_format(&format.format, &f->fmt.pix, MEDIA_BUS_FMT_FIXED);
622 call_all(dev, pad, set_fmt, NULL, &format);
623 v4l2_fill_pix_format(&f->fmt.pix, &format.format);
624 /* set_fmt overwrites f->fmt.pix.field, restore it */
625 f->fmt.pix.field = dev->field;
626 return 0;
627 }
628
vidioc_querycap(struct file * file,void * priv,struct v4l2_capability * cap)629 static int vidioc_querycap(struct file *file, void *priv,
630 struct v4l2_capability *cap)
631 {
632 struct cx23885_dev *dev = video_drvdata(file);
633
634 strscpy(cap->driver, "cx23885", sizeof(cap->driver));
635 strscpy(cap->card, cx23885_boards[dev->board].name,
636 sizeof(cap->card));
637 sprintf(cap->bus_info, "PCIe:%s", pci_name(dev->pci));
638 cap->capabilities = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
639 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE |
640 V4L2_CAP_VIDEO_CAPTURE |
641 V4L2_CAP_DEVICE_CAPS;
642 switch (dev->board) { /* i2c device tuners */
643 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
644 case CX23885_BOARD_HAUPPAUGE_HVR5525:
645 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
646 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
647 cap->capabilities |= V4L2_CAP_TUNER;
648 break;
649 default:
650 if (dev->tuner_type != TUNER_ABSENT)
651 cap->capabilities |= V4L2_CAP_TUNER;
652 break;
653 }
654 return 0;
655 }
656
vidioc_enum_fmt_vid_cap(struct file * file,void * priv,struct v4l2_fmtdesc * f)657 static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
658 struct v4l2_fmtdesc *f)
659 {
660 if (unlikely(f->index >= ARRAY_SIZE(formats)))
661 return -EINVAL;
662
663 f->pixelformat = formats[f->index].fourcc;
664
665 return 0;
666 }
667
vidioc_g_pixelaspect(struct file * file,void * priv,int type,struct v4l2_fract * f)668 static int vidioc_g_pixelaspect(struct file *file, void *priv,
669 int type, struct v4l2_fract *f)
670 {
671 struct cx23885_dev *dev = video_drvdata(file);
672 bool is_50hz = dev->tvnorm & V4L2_STD_625_50;
673
674 if (type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
675 return -EINVAL;
676
677 f->numerator = is_50hz ? 54 : 11;
678 f->denominator = is_50hz ? 59 : 10;
679
680 return 0;
681 }
682
vidioc_g_selection(struct file * file,void * fh,struct v4l2_selection * sel)683 static int vidioc_g_selection(struct file *file, void *fh,
684 struct v4l2_selection *sel)
685 {
686 struct cx23885_dev *dev = video_drvdata(file);
687
688 if (sel->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
689 return -EINVAL;
690
691 switch (sel->target) {
692 case V4L2_SEL_TGT_CROP_BOUNDS:
693 case V4L2_SEL_TGT_CROP_DEFAULT:
694 sel->r.top = 0;
695 sel->r.left = 0;
696 sel->r.width = 720;
697 sel->r.height = norm_maxh(dev->tvnorm);
698 break;
699 default:
700 return -EINVAL;
701 }
702 return 0;
703 }
704
vidioc_g_std(struct file * file,void * priv,v4l2_std_id * id)705 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *id)
706 {
707 struct cx23885_dev *dev = video_drvdata(file);
708 dprintk(1, "%s()\n", __func__);
709
710 *id = dev->tvnorm;
711 return 0;
712 }
713
vidioc_s_std(struct file * file,void * priv,v4l2_std_id tvnorms)714 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id tvnorms)
715 {
716 struct cx23885_dev *dev = video_drvdata(file);
717 dprintk(1, "%s()\n", __func__);
718
719 return cx23885_set_tvnorm(dev, tvnorms);
720 }
721
cx23885_enum_input(struct cx23885_dev * dev,struct v4l2_input * i)722 int cx23885_enum_input(struct cx23885_dev *dev, struct v4l2_input *i)
723 {
724 static const char *iname[] = {
725 [CX23885_VMUX_COMPOSITE1] = "Composite1",
726 [CX23885_VMUX_COMPOSITE2] = "Composite2",
727 [CX23885_VMUX_COMPOSITE3] = "Composite3",
728 [CX23885_VMUX_COMPOSITE4] = "Composite4",
729 [CX23885_VMUX_SVIDEO] = "S-Video",
730 [CX23885_VMUX_COMPONENT] = "Component",
731 [CX23885_VMUX_TELEVISION] = "Television",
732 [CX23885_VMUX_CABLE] = "Cable TV",
733 [CX23885_VMUX_DVB] = "DVB",
734 [CX23885_VMUX_DEBUG] = "for debug only",
735 };
736 unsigned int n;
737 dprintk(1, "%s()\n", __func__);
738
739 n = i->index;
740 if (n >= MAX_CX23885_INPUT)
741 return -EINVAL;
742
743 if (0 == INPUT(n)->type)
744 return -EINVAL;
745
746 i->index = n;
747 i->type = V4L2_INPUT_TYPE_CAMERA;
748 strscpy(i->name, iname[INPUT(n)->type], sizeof(i->name));
749 i->std = CX23885_NORMS;
750 if ((CX23885_VMUX_TELEVISION == INPUT(n)->type) ||
751 (CX23885_VMUX_CABLE == INPUT(n)->type)) {
752 i->type = V4L2_INPUT_TYPE_TUNER;
753 i->audioset = 4;
754 } else {
755 /* Two selectable audio inputs for non-tv inputs */
756 i->audioset = 3;
757 }
758
759 if (dev->input == n) {
760 /* enum'd input matches our configured input.
761 * Ask the video decoder to process the call
762 * and give it an oppertunity to update the
763 * status field.
764 */
765 call_all(dev, video, g_input_status, &i->status);
766 }
767
768 return 0;
769 }
770
vidioc_enum_input(struct file * file,void * priv,struct v4l2_input * i)771 static int vidioc_enum_input(struct file *file, void *priv,
772 struct v4l2_input *i)
773 {
774 struct cx23885_dev *dev = video_drvdata(file);
775 dprintk(1, "%s()\n", __func__);
776 return cx23885_enum_input(dev, i);
777 }
778
cx23885_get_input(struct file * file,void * priv,unsigned int * i)779 int cx23885_get_input(struct file *file, void *priv, unsigned int *i)
780 {
781 struct cx23885_dev *dev = video_drvdata(file);
782
783 *i = dev->input;
784 dprintk(1, "%s() returns %d\n", __func__, *i);
785 return 0;
786 }
787
vidioc_g_input(struct file * file,void * priv,unsigned int * i)788 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
789 {
790 return cx23885_get_input(file, priv, i);
791 }
792
cx23885_set_input(struct file * file,void * priv,unsigned int i)793 int cx23885_set_input(struct file *file, void *priv, unsigned int i)
794 {
795 struct cx23885_dev *dev = video_drvdata(file);
796
797 dprintk(1, "%s(%d)\n", __func__, i);
798
799 if (i >= MAX_CX23885_INPUT) {
800 dprintk(1, "%s() -EINVAL\n", __func__);
801 return -EINVAL;
802 }
803
804 if (INPUT(i)->type == 0)
805 return -EINVAL;
806
807 cx23885_video_mux(dev, i);
808
809 /* By default establish the default audio input for the card also */
810 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
811 cx23885_audio_mux(dev, i);
812 return 0;
813 }
814
vidioc_s_input(struct file * file,void * priv,unsigned int i)815 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
816 {
817 return cx23885_set_input(file, priv, i);
818 }
819
vidioc_log_status(struct file * file,void * priv)820 static int vidioc_log_status(struct file *file, void *priv)
821 {
822 struct cx23885_dev *dev = video_drvdata(file);
823
824 call_all(dev, core, log_status);
825 return 0;
826 }
827
cx23885_query_audinput(struct file * file,void * priv,struct v4l2_audio * i)828 static int cx23885_query_audinput(struct file *file, void *priv,
829 struct v4l2_audio *i)
830 {
831 static const char *iname[] = {
832 [0] = "Baseband L/R 1",
833 [1] = "Baseband L/R 2",
834 [2] = "TV",
835 };
836 unsigned int n;
837 dprintk(1, "%s()\n", __func__);
838
839 n = i->index;
840 if (n >= 3)
841 return -EINVAL;
842
843 memset(i, 0, sizeof(*i));
844 i->index = n;
845 strscpy(i->name, iname[n], sizeof(i->name));
846 i->capability = V4L2_AUDCAP_STEREO;
847 return 0;
848
849 }
850
vidioc_enum_audinput(struct file * file,void * priv,struct v4l2_audio * i)851 static int vidioc_enum_audinput(struct file *file, void *priv,
852 struct v4l2_audio *i)
853 {
854 return cx23885_query_audinput(file, priv, i);
855 }
856
vidioc_g_audinput(struct file * file,void * priv,struct v4l2_audio * i)857 static int vidioc_g_audinput(struct file *file, void *priv,
858 struct v4l2_audio *i)
859 {
860 struct cx23885_dev *dev = video_drvdata(file);
861
862 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
863 (CX23885_VMUX_CABLE == INPUT(dev->input)->type))
864 i->index = 2;
865 else
866 i->index = dev->audinput;
867 dprintk(1, "%s(input=%d)\n", __func__, i->index);
868
869 return cx23885_query_audinput(file, priv, i);
870 }
871
vidioc_s_audinput(struct file * file,void * priv,const struct v4l2_audio * i)872 static int vidioc_s_audinput(struct file *file, void *priv,
873 const struct v4l2_audio *i)
874 {
875 struct cx23885_dev *dev = video_drvdata(file);
876
877 if ((CX23885_VMUX_TELEVISION == INPUT(dev->input)->type) ||
878 (CX23885_VMUX_CABLE == INPUT(dev->input)->type)) {
879 return i->index != 2 ? -EINVAL : 0;
880 }
881 if (i->index > 1)
882 return -EINVAL;
883
884 dprintk(1, "%s(%d)\n", __func__, i->index);
885
886 dev->audinput = i->index;
887
888 /* Skip the audio defaults from the cards struct, caller wants
889 * directly touch the audio mux hardware. */
890 cx23885_flatiron_mux(dev, dev->audinput + 1);
891 return 0;
892 }
893
vidioc_g_tuner(struct file * file,void * priv,struct v4l2_tuner * t)894 static int vidioc_g_tuner(struct file *file, void *priv,
895 struct v4l2_tuner *t)
896 {
897 struct cx23885_dev *dev = video_drvdata(file);
898
899 switch (dev->board) { /* i2c device tuners */
900 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
901 case CX23885_BOARD_HAUPPAUGE_HVR5525:
902 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
903 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
904 break;
905 default:
906 if (dev->tuner_type == TUNER_ABSENT)
907 return -EINVAL;
908 break;
909 }
910 if (0 != t->index)
911 return -EINVAL;
912
913 strscpy(t->name, "Television", sizeof(t->name));
914
915 call_all(dev, tuner, g_tuner, t);
916 return 0;
917 }
918
vidioc_s_tuner(struct file * file,void * priv,const struct v4l2_tuner * t)919 static int vidioc_s_tuner(struct file *file, void *priv,
920 const struct v4l2_tuner *t)
921 {
922 struct cx23885_dev *dev = video_drvdata(file);
923
924 switch (dev->board) { /* i2c device tuners */
925 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
926 case CX23885_BOARD_HAUPPAUGE_HVR5525:
927 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
928 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
929 break;
930 default:
931 if (dev->tuner_type == TUNER_ABSENT)
932 return -EINVAL;
933 break;
934 }
935 if (0 != t->index)
936 return -EINVAL;
937 /* Update the A/V core */
938 call_all(dev, tuner, s_tuner, t);
939
940 return 0;
941 }
942
vidioc_g_frequency(struct file * file,void * priv,struct v4l2_frequency * f)943 static int vidioc_g_frequency(struct file *file, void *priv,
944 struct v4l2_frequency *f)
945 {
946 struct cx23885_dev *dev = video_drvdata(file);
947
948 switch (dev->board) { /* i2c device tuners */
949 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
950 case CX23885_BOARD_HAUPPAUGE_HVR5525:
951 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
952 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
953 break;
954 default:
955 if (dev->tuner_type == TUNER_ABSENT)
956 return -EINVAL;
957 break;
958 }
959 f->type = V4L2_TUNER_ANALOG_TV;
960 f->frequency = dev->freq;
961
962 call_all(dev, tuner, g_frequency, f);
963
964 return 0;
965 }
966
cx23885_set_freq(struct cx23885_dev * dev,const struct v4l2_frequency * f)967 static int cx23885_set_freq(struct cx23885_dev *dev, const struct v4l2_frequency *f)
968 {
969 struct v4l2_ctrl *mute;
970 int old_mute_val = 1;
971
972 switch (dev->board) { /* i2c device tuners */
973 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
974 case CX23885_BOARD_HAUPPAUGE_HVR5525:
975 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
976 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
977 break;
978 default:
979 if (dev->tuner_type == TUNER_ABSENT)
980 return -EINVAL;
981 break;
982 }
983 if (unlikely(f->tuner != 0))
984 return -EINVAL;
985
986 dev->freq = f->frequency;
987
988 /* I need to mute audio here */
989 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
990 if (mute) {
991 old_mute_val = v4l2_ctrl_g_ctrl(mute);
992 if (!old_mute_val)
993 v4l2_ctrl_s_ctrl(mute, 1);
994 }
995
996 call_all(dev, tuner, s_frequency, f);
997
998 /* When changing channels it is required to reset TVAUDIO */
999 msleep(100);
1000
1001 /* I need to unmute audio here */
1002 if (old_mute_val == 0)
1003 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1004
1005 return 0;
1006 }
1007
cx23885_set_freq_via_ops(struct cx23885_dev * dev,const struct v4l2_frequency * f)1008 static int cx23885_set_freq_via_ops(struct cx23885_dev *dev,
1009 const struct v4l2_frequency *f)
1010 {
1011 struct v4l2_ctrl *mute;
1012 int old_mute_val = 1;
1013 struct vb2_dvb_frontend *vfe;
1014 struct dvb_frontend *fe;
1015
1016 struct analog_parameters params = {
1017 .mode = V4L2_TUNER_ANALOG_TV,
1018 .audmode = V4L2_TUNER_MODE_STEREO,
1019 .std = dev->tvnorm,
1020 .frequency = f->frequency
1021 };
1022
1023 dev->freq = f->frequency;
1024
1025 /* I need to mute audio here */
1026 mute = v4l2_ctrl_find(&dev->ctrl_handler, V4L2_CID_AUDIO_MUTE);
1027 if (mute) {
1028 old_mute_val = v4l2_ctrl_g_ctrl(mute);
1029 if (!old_mute_val)
1030 v4l2_ctrl_s_ctrl(mute, 1);
1031 }
1032
1033 /* If HVR1850 */
1034 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__,
1035 params.frequency, f->tuner, params.std);
1036
1037 vfe = vb2_dvb_get_frontend(&dev->ts2.frontends, 1);
1038 if (!vfe) {
1039 return -EINVAL;
1040 }
1041
1042 fe = vfe->dvb.frontend;
1043
1044 if ((dev->board == CX23885_BOARD_HAUPPAUGE_HVR1850) ||
1045 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255) ||
1046 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1255_22111) ||
1047 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR1265_K4) ||
1048 (dev->board == CX23885_BOARD_HAUPPAUGE_HVR5525) ||
1049 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_DVB) ||
1050 (dev->board == CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC))
1051 fe = &dev->ts1.analog_fe;
1052
1053 if (fe && fe->ops.tuner_ops.set_analog_params) {
1054 call_all(dev, video, s_std, dev->tvnorm);
1055 fe->ops.tuner_ops.set_analog_params(fe, ¶ms);
1056 }
1057 else
1058 pr_err("%s() No analog tuner, aborting\n", __func__);
1059
1060 /* When changing channels it is required to reset TVAUDIO */
1061 msleep(100);
1062
1063 /* I need to unmute audio here */
1064 if (old_mute_val == 0)
1065 v4l2_ctrl_s_ctrl(mute, old_mute_val);
1066
1067 return 0;
1068 }
1069
cx23885_set_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1070 int cx23885_set_frequency(struct file *file, void *priv,
1071 const struct v4l2_frequency *f)
1072 {
1073 struct cx23885_dev *dev = video_drvdata(file);
1074 int ret;
1075
1076 switch (dev->board) {
1077 case CX23885_BOARD_HAUPPAUGE_HVR1255:
1078 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111:
1079 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1080 case CX23885_BOARD_HAUPPAUGE_HVR1850:
1081 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1082 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1083 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1084 ret = cx23885_set_freq_via_ops(dev, f);
1085 break;
1086 default:
1087 ret = cx23885_set_freq(dev, f);
1088 }
1089
1090 return ret;
1091 }
1092
vidioc_s_frequency(struct file * file,void * priv,const struct v4l2_frequency * f)1093 static int vidioc_s_frequency(struct file *file, void *priv,
1094 const struct v4l2_frequency *f)
1095 {
1096 return cx23885_set_frequency(file, priv, f);
1097 }
1098
1099 /* ----------------------------------------------------------- */
1100
cx23885_video_irq(struct cx23885_dev * dev,u32 status)1101 int cx23885_video_irq(struct cx23885_dev *dev, u32 status)
1102 {
1103 u32 mask, count;
1104 int handled = 0;
1105
1106 mask = cx_read(VID_A_INT_MSK);
1107 if (0 == (status & mask))
1108 return handled;
1109
1110 cx_write(VID_A_INT_STAT, status);
1111
1112 /* risc op code error, fifo overflow or line sync detection error */
1113 if ((status & VID_BC_MSK_OPC_ERR) ||
1114 (status & VID_BC_MSK_SYNC) ||
1115 (status & VID_BC_MSK_OF)) {
1116
1117 if (status & VID_BC_MSK_OPC_ERR) {
1118 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1119 VID_BC_MSK_OPC_ERR);
1120 pr_warn("%s: video risc op code error\n",
1121 dev->name);
1122 cx23885_sram_channel_dump(dev,
1123 &dev->sram_channels[SRAM_CH01]);
1124 }
1125
1126 if (status & VID_BC_MSK_SYNC)
1127 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1128 VID_BC_MSK_SYNC);
1129
1130 if (status & VID_BC_MSK_OF)
1131 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1132 VID_BC_MSK_OF);
1133
1134 }
1135
1136 /* Video */
1137 if (status & VID_BC_MSK_RISCI1) {
1138 spin_lock(&dev->slock);
1139 count = cx_read(VID_A_GPCNT);
1140 cx23885_video_wakeup(dev, &dev->vidq, count);
1141 spin_unlock(&dev->slock);
1142 handled++;
1143 }
1144
1145 /* Allow the VBI framework to process it's payload */
1146 handled += cx23885_vbi_irq(dev, status);
1147
1148 return handled;
1149 }
1150
1151 /* ----------------------------------------------------------- */
1152 /* exported stuff */
1153
1154 static const struct v4l2_file_operations video_fops = {
1155 .owner = THIS_MODULE,
1156 .open = v4l2_fh_open,
1157 .release = vb2_fop_release,
1158 .read = vb2_fop_read,
1159 .poll = vb2_fop_poll,
1160 .unlocked_ioctl = video_ioctl2,
1161 .mmap = vb2_fop_mmap,
1162 };
1163
1164 static const struct v4l2_ioctl_ops video_ioctl_ops = {
1165 .vidioc_querycap = vidioc_querycap,
1166 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1167 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1168 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1169 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1170 .vidioc_g_fmt_vbi_cap = cx23885_vbi_fmt,
1171 .vidioc_try_fmt_vbi_cap = cx23885_vbi_fmt,
1172 .vidioc_s_fmt_vbi_cap = cx23885_vbi_fmt,
1173 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1174 .vidioc_prepare_buf = vb2_ioctl_prepare_buf,
1175 .vidioc_querybuf = vb2_ioctl_querybuf,
1176 .vidioc_qbuf = vb2_ioctl_qbuf,
1177 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1178 .vidioc_streamon = vb2_ioctl_streamon,
1179 .vidioc_streamoff = vb2_ioctl_streamoff,
1180 .vidioc_g_pixelaspect = vidioc_g_pixelaspect,
1181 .vidioc_g_selection = vidioc_g_selection,
1182 .vidioc_s_std = vidioc_s_std,
1183 .vidioc_g_std = vidioc_g_std,
1184 .vidioc_enum_input = vidioc_enum_input,
1185 .vidioc_g_input = vidioc_g_input,
1186 .vidioc_s_input = vidioc_s_input,
1187 .vidioc_log_status = vidioc_log_status,
1188 .vidioc_g_tuner = vidioc_g_tuner,
1189 .vidioc_s_tuner = vidioc_s_tuner,
1190 .vidioc_g_frequency = vidioc_g_frequency,
1191 .vidioc_s_frequency = vidioc_s_frequency,
1192 #ifdef CONFIG_VIDEO_ADV_DEBUG
1193 .vidioc_g_chip_info = cx23885_g_chip_info,
1194 .vidioc_g_register = cx23885_g_register,
1195 .vidioc_s_register = cx23885_s_register,
1196 #endif
1197 .vidioc_enumaudio = vidioc_enum_audinput,
1198 .vidioc_g_audio = vidioc_g_audinput,
1199 .vidioc_s_audio = vidioc_s_audinput,
1200 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1201 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1202 };
1203
1204 static struct video_device cx23885_vbi_template;
1205 static struct video_device cx23885_video_template = {
1206 .name = "cx23885-video",
1207 .fops = &video_fops,
1208 .ioctl_ops = &video_ioctl_ops,
1209 .tvnorms = CX23885_NORMS,
1210 };
1211
cx23885_video_unregister(struct cx23885_dev * dev)1212 void cx23885_video_unregister(struct cx23885_dev *dev)
1213 {
1214 dprintk(1, "%s()\n", __func__);
1215 cx23885_irq_remove(dev, 0x01);
1216
1217 if (dev->vbi_dev) {
1218 if (video_is_registered(dev->vbi_dev))
1219 video_unregister_device(dev->vbi_dev);
1220 else
1221 video_device_release(dev->vbi_dev);
1222 dev->vbi_dev = NULL;
1223 }
1224 if (dev->video_dev) {
1225 if (video_is_registered(dev->video_dev))
1226 video_unregister_device(dev->video_dev);
1227 else
1228 video_device_release(dev->video_dev);
1229 dev->video_dev = NULL;
1230 }
1231
1232 if (dev->audio_dev)
1233 cx23885_audio_unregister(dev);
1234 }
1235
cx23885_video_register(struct cx23885_dev * dev)1236 int cx23885_video_register(struct cx23885_dev *dev)
1237 {
1238 struct vb2_queue *q;
1239 int err;
1240
1241 dprintk(1, "%s()\n", __func__);
1242
1243 /* Initialize VBI template */
1244 cx23885_vbi_template = cx23885_video_template;
1245 strscpy(cx23885_vbi_template.name, "cx23885-vbi",
1246 sizeof(cx23885_vbi_template.name));
1247
1248 dev->tvnorm = V4L2_STD_NTSC_M;
1249 dev->fmt = format_by_fourcc(V4L2_PIX_FMT_YUYV);
1250 dev->field = V4L2_FIELD_INTERLACED;
1251 dev->width = 720;
1252 dev->height = norm_maxh(dev->tvnorm);
1253
1254 /* init video dma queues */
1255 INIT_LIST_HEAD(&dev->vidq.active);
1256
1257 /* init vbi dma queues */
1258 INIT_LIST_HEAD(&dev->vbiq.active);
1259
1260 cx23885_irq_add_enable(dev, 0x01);
1261
1262 if ((TUNER_ABSENT != dev->tuner_type) &&
1263 ((dev->tuner_bus == 0) || (dev->tuner_bus == 1))) {
1264 struct v4l2_subdev *sd = NULL;
1265
1266 if (dev->tuner_addr)
1267 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1268 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1269 "tuner", dev->tuner_addr, NULL);
1270 else
1271 sd = v4l2_i2c_new_subdev(&dev->v4l2_dev,
1272 &dev->i2c_bus[dev->tuner_bus].i2c_adap,
1273 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV));
1274 if (sd) {
1275 struct tuner_setup tun_setup;
1276
1277 memset(&tun_setup, 0, sizeof(tun_setup));
1278 tun_setup.mode_mask = T_ANALOG_TV;
1279 tun_setup.type = dev->tuner_type;
1280 tun_setup.addr = v4l2_i2c_subdev_addr(sd);
1281 tun_setup.tuner_callback = cx23885_tuner_callback;
1282
1283 v4l2_subdev_call(sd, tuner, s_type_addr, &tun_setup);
1284
1285 if ((dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXTV1200) ||
1286 (dev->board == CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200)) {
1287 struct xc2028_ctrl ctrl = {
1288 .fname = XC2028_DEFAULT_FIRMWARE,
1289 .max_len = 64
1290 };
1291 struct v4l2_priv_tun_config cfg = {
1292 .tuner = dev->tuner_type,
1293 .priv = &ctrl
1294 };
1295 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1296 }
1297
1298 if (dev->board == CX23885_BOARD_AVERMEDIA_HC81R) {
1299 struct xc2028_ctrl ctrl = {
1300 .fname = "xc3028L-v36.fw",
1301 .max_len = 64
1302 };
1303 struct v4l2_priv_tun_config cfg = {
1304 .tuner = dev->tuner_type,
1305 .priv = &ctrl
1306 };
1307 v4l2_subdev_call(sd, tuner, s_config, &cfg);
1308 }
1309 }
1310 }
1311
1312 /* initial device configuration */
1313 mutex_lock(&dev->lock);
1314 cx23885_set_tvnorm(dev, dev->tvnorm);
1315 cx23885_video_mux(dev, 0);
1316 cx23885_audio_mux(dev, 0);
1317 mutex_unlock(&dev->lock);
1318
1319 q = &dev->vb2_vidq;
1320 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1321 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1322 q->gfp_flags = GFP_DMA32;
1323 q->min_buffers_needed = 2;
1324 q->drv_priv = dev;
1325 q->buf_struct_size = sizeof(struct cx23885_buffer);
1326 q->ops = &cx23885_video_qops;
1327 q->mem_ops = &vb2_dma_sg_memops;
1328 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1329 q->lock = &dev->lock;
1330 q->dev = &dev->pci->dev;
1331
1332 err = vb2_queue_init(q);
1333 if (err < 0)
1334 goto fail_unreg;
1335
1336 q = &dev->vb2_vbiq;
1337 q->type = V4L2_BUF_TYPE_VBI_CAPTURE;
1338 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1339 q->gfp_flags = GFP_DMA32;
1340 q->min_buffers_needed = 2;
1341 q->drv_priv = dev;
1342 q->buf_struct_size = sizeof(struct cx23885_buffer);
1343 q->ops = &cx23885_vbi_qops;
1344 q->mem_ops = &vb2_dma_sg_memops;
1345 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1346 q->lock = &dev->lock;
1347 q->dev = &dev->pci->dev;
1348
1349 err = vb2_queue_init(q);
1350 if (err < 0)
1351 goto fail_unreg;
1352
1353 /* register Video device */
1354 dev->video_dev = cx23885_vdev_init(dev, dev->pci,
1355 &cx23885_video_template, "video");
1356 dev->video_dev->queue = &dev->vb2_vidq;
1357 dev->video_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1358 V4L2_CAP_AUDIO | V4L2_CAP_VIDEO_CAPTURE;
1359 switch (dev->board) { /* i2c device tuners */
1360 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1361 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1362 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1363 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1364 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1365 break;
1366 default:
1367 if (dev->tuner_type != TUNER_ABSENT)
1368 dev->video_dev->device_caps |= V4L2_CAP_TUNER;
1369 }
1370
1371 err = video_register_device(dev->video_dev, VFL_TYPE_VIDEO,
1372 video_nr[dev->nr]);
1373 if (err < 0) {
1374 pr_info("%s: can't register video device\n",
1375 dev->name);
1376 goto fail_unreg;
1377 }
1378 pr_info("%s: registered device %s [v4l2]\n",
1379 dev->name, video_device_node_name(dev->video_dev));
1380
1381 /* register VBI device */
1382 dev->vbi_dev = cx23885_vdev_init(dev, dev->pci,
1383 &cx23885_vbi_template, "vbi");
1384 dev->vbi_dev->queue = &dev->vb2_vbiq;
1385 dev->vbi_dev->device_caps = V4L2_CAP_READWRITE | V4L2_CAP_STREAMING |
1386 V4L2_CAP_AUDIO | V4L2_CAP_VBI_CAPTURE;
1387 switch (dev->board) { /* i2c device tuners */
1388 case CX23885_BOARD_HAUPPAUGE_HVR1265_K4:
1389 case CX23885_BOARD_HAUPPAUGE_HVR5525:
1390 case CX23885_BOARD_HAUPPAUGE_QUADHD_DVB:
1391 case CX23885_BOARD_HAUPPAUGE_QUADHD_ATSC:
1392 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1393 break;
1394 default:
1395 if (dev->tuner_type != TUNER_ABSENT)
1396 dev->vbi_dev->device_caps |= V4L2_CAP_TUNER;
1397 }
1398 err = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
1399 vbi_nr[dev->nr]);
1400 if (err < 0) {
1401 pr_info("%s: can't register vbi device\n",
1402 dev->name);
1403 goto fail_unreg;
1404 }
1405 pr_info("%s: registered device %s\n",
1406 dev->name, video_device_node_name(dev->vbi_dev));
1407
1408 /* Register ALSA audio device */
1409 dev->audio_dev = cx23885_audio_register(dev);
1410
1411 return 0;
1412
1413 fail_unreg:
1414 cx23885_video_unregister(dev);
1415 return err;
1416 }
1417