2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2007 Steven Toth <stoth@linuxtv.org>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
19 #include "cx23885-video.h"
21 #include <linux/init.h>
22 #include <linux/list.h>
23 #include <linux/module.h>
24 #include <linux/moduleparam.h>
25 #include <linux/kmod.h>
26 #include <linux/kernel.h>
27 #include <linux/slab.h>
28 #include <linux/interrupt.h>
29 #include <linux/delay.h>
30 #include <linux/kthread.h>
31 #include <asm/div64.h>
33 #include <media/v4l2-common.h>
34 #include <media/v4l2-ioctl.h>
35 #include <media/v4l2-event.h>
36 #include "cx23885-ioctl.h"
37 #include "tuner-xc2028.h"
39 #include <media/drv-intf/cx25840.h>
41 MODULE_DESCRIPTION("v4l2 driver module for cx23885 based TV cards");
42 MODULE_AUTHOR("Steven Toth <stoth@linuxtv.org>");
43 MODULE_LICENSE("GPL");
45 /* ------------------------------------------------------------------ */
47 static unsigned int video_nr
[] = {[0 ... (CX23885_MAXBOARDS
- 1)] = UNSET
};
48 static unsigned int vbi_nr
[] = {[0 ... (CX23885_MAXBOARDS
- 1)] = UNSET
};
50 module_param_array(video_nr
, int, NULL
, 0444);
51 module_param_array(vbi_nr
, int, NULL
, 0444);
53 MODULE_PARM_DESC(video_nr
, "video device numbers");
54 MODULE_PARM_DESC(vbi_nr
, "vbi device numbers");
56 static unsigned int video_debug
;
57 module_param(video_debug
, int, 0644);
58 MODULE_PARM_DESC(video_debug
, "enable debug messages [video]");
60 static unsigned int irq_debug
;
61 module_param(irq_debug
, int, 0644);
62 MODULE_PARM_DESC(irq_debug
, "enable debug messages [IRQ handler]");
64 static unsigned int vid_limit
= 16;
65 module_param(vid_limit
, int, 0644);
66 MODULE_PARM_DESC(vid_limit
, "capture memory limit in megabytes");
68 #define dprintk(level, fmt, arg...)\
69 do { if (video_debug >= level)\
70 printk(KERN_DEBUG pr_fmt("%s: video:" fmt), \
74 /* ------------------------------------------------------------------- */
77 #define FORMAT_FLAGS_PACKED 0x01
78 static struct cx23885_fmt formats
[] = {
80 .name
= "4:2:2, packed, YUYV",
81 .fourcc
= V4L2_PIX_FMT_YUYV
,
83 .flags
= FORMAT_FLAGS_PACKED
,
87 static struct cx23885_fmt
*format_by_fourcc(unsigned int fourcc
)
91 for (i
= 0; i
< ARRAY_SIZE(formats
); i
++)
92 if (formats
[i
].fourcc
== fourcc
)
97 /* ------------------------------------------------------------------- */
99 void cx23885_video_wakeup(struct cx23885_dev
*dev
,
100 struct cx23885_dmaqueue
*q
, u32 count
)
102 struct cx23885_buffer
*buf
;
104 if (list_empty(&q
->active
))
106 buf
= list_entry(q
->active
.next
,
107 struct cx23885_buffer
, queue
);
109 buf
->vb
.sequence
= q
->count
++;
110 buf
->vb
.vb2_buf
.timestamp
= ktime_get_ns();
111 dprintk(2, "[%p/%d] wakeup reg=%d buf=%d\n", buf
,
112 buf
->vb
.vb2_buf
.index
, count
, q
->count
);
113 list_del(&buf
->queue
);
114 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_DONE
);
117 int cx23885_set_tvnorm(struct cx23885_dev
*dev
, v4l2_std_id norm
)
119 struct v4l2_subdev_format format
= {
120 .which
= V4L2_SUBDEV_FORMAT_ACTIVE
,
121 .format
.code
= MEDIA_BUS_FMT_FIXED
,
124 dprintk(1, "%s(norm = 0x%08x) name: [%s]\n",
127 v4l2_norm_to_name(norm
));
129 if (dev
->tvnorm
== norm
)
132 if (dev
->tvnorm
!= norm
) {
133 if (vb2_is_busy(&dev
->vb2_vidq
) || vb2_is_busy(&dev
->vb2_vbiq
) ||
134 vb2_is_busy(&dev
->vb2_mpegq
))
140 dev
->height
= norm_maxh(norm
);
141 dev
->field
= V4L2_FIELD_INTERLACED
;
143 call_all(dev
, video
, s_std
, norm
);
145 format
.format
.width
= dev
->width
;
146 format
.format
.height
= dev
->height
;
147 format
.format
.field
= dev
->field
;
148 call_all(dev
, pad
, set_fmt
, NULL
, &format
);
153 static struct video_device
*cx23885_vdev_init(struct cx23885_dev
*dev
,
155 struct video_device
*template,
158 struct video_device
*vfd
;
159 dprintk(1, "%s()\n", __func__
);
161 vfd
= video_device_alloc();
165 vfd
->v4l2_dev
= &dev
->v4l2_dev
;
166 vfd
->release
= video_device_release
;
167 vfd
->lock
= &dev
->lock
;
168 snprintf(vfd
->name
, sizeof(vfd
->name
), "%s (%s)",
169 cx23885_boards
[dev
->board
].name
, type
);
170 video_set_drvdata(vfd
, dev
);
174 int cx23885_flatiron_write(struct cx23885_dev
*dev
, u8 reg
, u8 data
)
176 /* 8 bit registers, 8 bit values */
177 u8 buf
[] = { reg
, data
};
179 struct i2c_msg msg
= { .addr
= 0x98 >> 1,
180 .flags
= 0, .buf
= buf
, .len
= 2 };
182 return i2c_transfer(&dev
->i2c_bus
[2].i2c_adap
, &msg
, 1);
185 u8
cx23885_flatiron_read(struct cx23885_dev
*dev
, u8 reg
)
187 /* 8 bit registers, 8 bit values */
192 struct i2c_msg msg
[] = {
193 { .addr
= 0x98 >> 1, .flags
= 0, .buf
= b0
, .len
= 1 },
194 { .addr
= 0x98 >> 1, .flags
= I2C_M_RD
, .buf
= b1
, .len
= 1 }
197 ret
= i2c_transfer(&dev
->i2c_bus
[2].i2c_adap
, &msg
[0], 2);
199 pr_err("%s() error\n", __func__
);
204 static void cx23885_flatiron_dump(struct cx23885_dev
*dev
)
207 dprintk(1, "Flatiron dump\n");
208 for (i
= 0; i
< 0x24; i
++) {
209 dprintk(1, "FI[%02x] = %02x\n", i
,
210 cx23885_flatiron_read(dev
, i
));
214 static int cx23885_flatiron_mux(struct cx23885_dev
*dev
, int input
)
217 dprintk(1, "%s(input = %d)\n", __func__
, input
);
220 val
= cx23885_flatiron_read(dev
, CH_PWR_CTRL1
) & ~FLD_CH_SEL
;
222 val
= cx23885_flatiron_read(dev
, CH_PWR_CTRL1
) | FLD_CH_SEL
;
226 val
|= 0x20; /* Enable clock to delta-sigma and dec filter */
228 cx23885_flatiron_write(dev
, CH_PWR_CTRL1
, val
);
231 cx23885_flatiron_write(dev
, CH_PWR_CTRL2
, 0);
234 cx23885_flatiron_dump(dev
);
239 static int cx23885_video_mux(struct cx23885_dev
*dev
, unsigned int input
)
241 dprintk(1, "%s() video_mux: %d [vmux=%d, gpio=0x%x,0x%x,0x%x,0x%x]\n",
243 input
, INPUT(input
)->vmux
,
244 INPUT(input
)->gpio0
, INPUT(input
)->gpio1
,
245 INPUT(input
)->gpio2
, INPUT(input
)->gpio3
);
248 if (dev
->board
== CX23885_BOARD_MYGICA_X8506
||
249 dev
->board
== CX23885_BOARD_MAGICPRO_PROHDTVE2
||
250 dev
->board
== CX23885_BOARD_MYGICA_X8507
) {
251 /* Select Analog TV */
252 if (INPUT(input
)->type
== CX23885_VMUX_TELEVISION
)
253 cx23885_gpio_clear(dev
, GPIO_0
);
256 /* Tell the internal A/V decoder */
257 v4l2_subdev_call(dev
->sd_cx25840
, video
, s_routing
,
258 INPUT(input
)->vmux
, 0, 0);
260 if ((dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1800
) ||
261 (dev
->board
== CX23885_BOARD_MPX885
) ||
262 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1250
) ||
263 (dev
->board
== CX23885_BOARD_HAUPPAUGE_IMPACTVCBE
) ||
264 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255
) ||
265 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255_22111
) ||
266 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1850
) ||
267 (dev
->board
== CX23885_BOARD_MYGICA_X8507
) ||
268 (dev
->board
== CX23885_BOARD_AVERMEDIA_HC81R
) ||
269 (dev
->board
== CX23885_BOARD_VIEWCAST_260E
) ||
270 (dev
->board
== CX23885_BOARD_VIEWCAST_460E
)) {
271 /* Configure audio routing */
272 v4l2_subdev_call(dev
->sd_cx25840
, audio
, s_routing
,
273 INPUT(input
)->amux
, 0, 0);
275 if (INPUT(input
)->amux
== CX25840_AUDIO7
)
276 cx23885_flatiron_mux(dev
, 1);
277 else if (INPUT(input
)->amux
== CX25840_AUDIO6
)
278 cx23885_flatiron_mux(dev
, 2);
284 static int cx23885_audio_mux(struct cx23885_dev
*dev
, unsigned int input
)
286 dprintk(1, "%s(input=%d)\n", __func__
, input
);
288 /* The baseband video core of the cx23885 has two audio inputs.
289 * LR1 and LR2. In almost every single case so far only HVR1xxx
290 * cards we've only ever supported LR1. Time to support LR2,
291 * which is available via the optional white breakout header on
293 * We'll use a could of existing enums in the card struct to allow
294 * devs to specify which baseband input they need, or just default
295 * to what we've always used.
297 if (INPUT(input
)->amux
== CX25840_AUDIO7
)
298 cx23885_flatiron_mux(dev
, 1);
299 else if (INPUT(input
)->amux
== CX25840_AUDIO6
)
300 cx23885_flatiron_mux(dev
, 2);
302 /* Not specifically defined, assume the default. */
303 cx23885_flatiron_mux(dev
, 1);
309 /* ------------------------------------------------------------------ */
310 static int cx23885_start_video_dma(struct cx23885_dev
*dev
,
311 struct cx23885_dmaqueue
*q
,
312 struct cx23885_buffer
*buf
)
314 dprintk(1, "%s()\n", __func__
);
316 /* Stop the dma/fifo before we tamper with it's risc programs */
317 cx_clear(VID_A_DMA_CTL
, 0x11);
319 /* setup fifo + format */
320 cx23885_sram_channel_setup(dev
, &dev
->sram_channels
[SRAM_CH01
],
321 buf
->bpl
, buf
->risc
.dma
);
324 cx_write(VID_A_GPCNT_CTL
, 3);
328 cx23885_irq_add_enable(dev
, 0x01);
329 cx_set(VID_A_INT_MSK
, 0x000011);
332 cx_set(DEV_CNTRL2
, (1<<5));
333 cx_set(VID_A_DMA_CTL
, 0x11); /* FIFO and RISC enable */
338 static int queue_setup(struct vb2_queue
*q
,
339 unsigned int *num_buffers
, unsigned int *num_planes
,
340 unsigned int sizes
[], struct device
*alloc_devs
[])
342 struct cx23885_dev
*dev
= q
->drv_priv
;
345 sizes
[0] = (dev
->fmt
->depth
* dev
->width
* dev
->height
) >> 3;
349 static int buffer_prepare(struct vb2_buffer
*vb
)
351 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
352 struct cx23885_dev
*dev
= vb
->vb2_queue
->drv_priv
;
353 struct cx23885_buffer
*buf
=
354 container_of(vbuf
, struct cx23885_buffer
, vb
);
355 u32 line0_offset
, line1_offset
;
356 struct sg_table
*sgt
= vb2_dma_sg_plane_desc(vb
, 0);
359 buf
->bpl
= (dev
->width
* dev
->fmt
->depth
) >> 3;
361 if (vb2_plane_size(vb
, 0) < dev
->height
* buf
->bpl
)
363 vb2_set_plane_payload(vb
, 0, dev
->height
* buf
->bpl
);
365 switch (dev
->field
) {
367 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
369 buf
->bpl
, 0, dev
->height
);
371 case V4L2_FIELD_BOTTOM
:
372 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
374 buf
->bpl
, 0, dev
->height
);
376 case V4L2_FIELD_INTERLACED
:
377 if (dev
->tvnorm
& V4L2_STD_525_60
)
383 if (cx23885_boards
[dev
->board
].force_bff
)
384 /* PAL / SECAM OR 888 in NTSC MODE */
388 /* cx25840 transmits NTSC bottom field first */
389 dprintk(1, "%s() Creating TFF/NTSC risc\n",
391 line0_offset
= buf
->bpl
;
394 /* All other formats are top field first */
395 dprintk(1, "%s() Creating BFF/PAL/SECAM risc\n",
398 line1_offset
= buf
->bpl
;
400 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
401 sgt
->sgl
, line0_offset
,
406 case V4L2_FIELD_SEQ_TB
:
407 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
409 0, buf
->bpl
* (dev
->height
>> 1),
413 case V4L2_FIELD_SEQ_BT
:
414 cx23885_risc_buffer(dev
->pci
, &buf
->risc
,
416 buf
->bpl
* (dev
->height
>> 1), 0,
423 dprintk(2, "[%p/%d] buffer_init - %dx%d %dbpp \"%s\" - dma=0x%08lx\n",
424 buf
, buf
->vb
.vb2_buf
.index
,
425 dev
->width
, dev
->height
, dev
->fmt
->depth
, dev
->fmt
->name
,
426 (unsigned long)buf
->risc
.dma
);
430 static void buffer_finish(struct vb2_buffer
*vb
)
432 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
433 struct cx23885_buffer
*buf
= container_of(vbuf
,
434 struct cx23885_buffer
, vb
);
436 cx23885_free_buffer(vb
->vb2_queue
->drv_priv
, buf
);
440 * The risc program for each buffer works as follows: it starts with a simple
441 * 'JUMP to addr + 12', which is effectively a NOP. Then the code to DMA the
442 * buffer follows and at the end we have a JUMP back to the start + 12 (skipping
445 * This is the risc program of the first buffer to be queued if the active list
446 * is empty and it just keeps DMAing this buffer without generating any
449 * If a new buffer is added then the initial JUMP in the code for that buffer
450 * will generate an interrupt which signals that the previous buffer has been
451 * DMAed successfully and that it can be returned to userspace.
453 * It also sets the final jump of the previous buffer to the start of the new
454 * buffer, thus chaining the new buffer into the DMA chain. This is a single
455 * atomic u32 write, so there is no race condition.
457 * The end-result of all this that you only get an interrupt when a buffer
458 * is ready, so the control flow is very easy.
460 static void buffer_queue(struct vb2_buffer
*vb
)
462 struct vb2_v4l2_buffer
*vbuf
= to_vb2_v4l2_buffer(vb
);
463 struct cx23885_dev
*dev
= vb
->vb2_queue
->drv_priv
;
464 struct cx23885_buffer
*buf
= container_of(vbuf
,
465 struct cx23885_buffer
, vb
);
466 struct cx23885_buffer
*prev
;
467 struct cx23885_dmaqueue
*q
= &dev
->vidq
;
470 /* add jump to start */
471 buf
->risc
.cpu
[1] = cpu_to_le32(buf
->risc
.dma
+ 12);
472 buf
->risc
.jmp
[0] = cpu_to_le32(RISC_JUMP
| RISC_CNT_INC
);
473 buf
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
+ 12);
474 buf
->risc
.jmp
[2] = cpu_to_le32(0); /* bits 63-32 */
476 spin_lock_irqsave(&dev
->slock
, flags
);
477 if (list_empty(&q
->active
)) {
478 list_add_tail(&buf
->queue
, &q
->active
);
479 dprintk(2, "[%p/%d] buffer_queue - first active\n",
480 buf
, buf
->vb
.vb2_buf
.index
);
482 buf
->risc
.cpu
[0] |= cpu_to_le32(RISC_IRQ1
);
483 prev
= list_entry(q
->active
.prev
, struct cx23885_buffer
,
485 list_add_tail(&buf
->queue
, &q
->active
);
486 prev
->risc
.jmp
[1] = cpu_to_le32(buf
->risc
.dma
);
487 dprintk(2, "[%p/%d] buffer_queue - append to active\n",
488 buf
, buf
->vb
.vb2_buf
.index
);
490 spin_unlock_irqrestore(&dev
->slock
, flags
);
493 static int cx23885_start_streaming(struct vb2_queue
*q
, unsigned int count
)
495 struct cx23885_dev
*dev
= q
->drv_priv
;
496 struct cx23885_dmaqueue
*dmaq
= &dev
->vidq
;
497 struct cx23885_buffer
*buf
= list_entry(dmaq
->active
.next
,
498 struct cx23885_buffer
, queue
);
500 cx23885_start_video_dma(dev
, dmaq
, buf
);
504 static void cx23885_stop_streaming(struct vb2_queue
*q
)
506 struct cx23885_dev
*dev
= q
->drv_priv
;
507 struct cx23885_dmaqueue
*dmaq
= &dev
->vidq
;
510 cx_clear(VID_A_DMA_CTL
, 0x11);
511 spin_lock_irqsave(&dev
->slock
, flags
);
512 while (!list_empty(&dmaq
->active
)) {
513 struct cx23885_buffer
*buf
= list_entry(dmaq
->active
.next
,
514 struct cx23885_buffer
, queue
);
516 list_del(&buf
->queue
);
517 vb2_buffer_done(&buf
->vb
.vb2_buf
, VB2_BUF_STATE_ERROR
);
519 spin_unlock_irqrestore(&dev
->slock
, flags
);
522 static const struct vb2_ops cx23885_video_qops
= {
523 .queue_setup
= queue_setup
,
524 .buf_prepare
= buffer_prepare
,
525 .buf_finish
= buffer_finish
,
526 .buf_queue
= buffer_queue
,
527 .wait_prepare
= vb2_ops_wait_prepare
,
528 .wait_finish
= vb2_ops_wait_finish
,
529 .start_streaming
= cx23885_start_streaming
,
530 .stop_streaming
= cx23885_stop_streaming
,
533 /* ------------------------------------------------------------------ */
536 static int vidioc_g_fmt_vid_cap(struct file
*file
, void *priv
,
537 struct v4l2_format
*f
)
539 struct cx23885_dev
*dev
= video_drvdata(file
);
541 f
->fmt
.pix
.width
= dev
->width
;
542 f
->fmt
.pix
.height
= dev
->height
;
543 f
->fmt
.pix
.field
= dev
->field
;
544 f
->fmt
.pix
.pixelformat
= dev
->fmt
->fourcc
;
545 f
->fmt
.pix
.bytesperline
=
546 (f
->fmt
.pix
.width
* dev
->fmt
->depth
) >> 3;
547 f
->fmt
.pix
.sizeimage
=
548 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
549 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
554 static int vidioc_try_fmt_vid_cap(struct file
*file
, void *priv
,
555 struct v4l2_format
*f
)
557 struct cx23885_dev
*dev
= video_drvdata(file
);
558 struct cx23885_fmt
*fmt
;
559 enum v4l2_field field
;
560 unsigned int maxw
, maxh
;
562 fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
566 field
= f
->fmt
.pix
.field
;
568 maxh
= norm_maxh(dev
->tvnorm
);
570 if (V4L2_FIELD_ANY
== field
) {
571 field
= (f
->fmt
.pix
.height
> maxh
/2)
572 ? V4L2_FIELD_INTERLACED
578 case V4L2_FIELD_BOTTOM
:
581 case V4L2_FIELD_INTERLACED
:
582 case V4L2_FIELD_SEQ_TB
:
583 case V4L2_FIELD_SEQ_BT
:
586 field
= V4L2_FIELD_INTERLACED
;
590 f
->fmt
.pix
.field
= field
;
591 v4l_bound_align_image(&f
->fmt
.pix
.width
, 48, maxw
, 2,
592 &f
->fmt
.pix
.height
, 32, maxh
, 0, 0);
593 f
->fmt
.pix
.bytesperline
=
594 (f
->fmt
.pix
.width
* fmt
->depth
) >> 3;
595 f
->fmt
.pix
.sizeimage
=
596 f
->fmt
.pix
.height
* f
->fmt
.pix
.bytesperline
;
597 f
->fmt
.pix
.colorspace
= V4L2_COLORSPACE_SMPTE170M
;
602 static int vidioc_s_fmt_vid_cap(struct file
*file
, void *priv
,
603 struct v4l2_format
*f
)
605 struct cx23885_dev
*dev
= video_drvdata(file
);
606 struct v4l2_subdev_format format
= {
607 .which
= V4L2_SUBDEV_FORMAT_ACTIVE
,
611 dprintk(2, "%s()\n", __func__
);
612 err
= vidioc_try_fmt_vid_cap(file
, priv
, f
);
617 if (vb2_is_busy(&dev
->vb2_vidq
) || vb2_is_busy(&dev
->vb2_vbiq
) ||
618 vb2_is_busy(&dev
->vb2_mpegq
))
621 dev
->fmt
= format_by_fourcc(f
->fmt
.pix
.pixelformat
);
622 dev
->width
= f
->fmt
.pix
.width
;
623 dev
->height
= f
->fmt
.pix
.height
;
624 dev
->field
= f
->fmt
.pix
.field
;
625 dprintk(2, "%s() width=%d height=%d field=%d\n", __func__
,
626 dev
->width
, dev
->height
, dev
->field
);
627 v4l2_fill_mbus_format(&format
.format
, &f
->fmt
.pix
, MEDIA_BUS_FMT_FIXED
);
628 call_all(dev
, pad
, set_fmt
, NULL
, &format
);
629 v4l2_fill_pix_format(&f
->fmt
.pix
, &format
.format
);
630 /* set_fmt overwrites f->fmt.pix.field, restore it */
631 f
->fmt
.pix
.field
= dev
->field
;
635 static int vidioc_querycap(struct file
*file
, void *priv
,
636 struct v4l2_capability
*cap
)
638 struct cx23885_dev
*dev
= video_drvdata(file
);
639 struct video_device
*vdev
= video_devdata(file
);
641 strcpy(cap
->driver
, "cx23885");
642 strlcpy(cap
->card
, cx23885_boards
[dev
->board
].name
,
644 sprintf(cap
->bus_info
, "PCIe:%s", pci_name(dev
->pci
));
645 cap
->device_caps
= V4L2_CAP_READWRITE
| V4L2_CAP_STREAMING
| V4L2_CAP_AUDIO
;
646 if (dev
->tuner_type
!= TUNER_ABSENT
)
647 cap
->device_caps
|= V4L2_CAP_TUNER
;
648 if (vdev
->vfl_type
== VFL_TYPE_VBI
)
649 cap
->device_caps
|= V4L2_CAP_VBI_CAPTURE
;
651 cap
->device_caps
|= V4L2_CAP_VIDEO_CAPTURE
;
652 cap
->capabilities
= cap
->device_caps
| V4L2_CAP_VBI_CAPTURE
|
653 V4L2_CAP_VIDEO_CAPTURE
| V4L2_CAP_DEVICE_CAPS
;
657 static int vidioc_enum_fmt_vid_cap(struct file
*file
, void *priv
,
658 struct v4l2_fmtdesc
*f
)
660 if (unlikely(f
->index
>= ARRAY_SIZE(formats
)))
663 strlcpy(f
->description
, formats
[f
->index
].name
,
664 sizeof(f
->description
));
665 f
->pixelformat
= formats
[f
->index
].fourcc
;
670 static int vidioc_cropcap(struct file
*file
, void *priv
,
671 struct v4l2_cropcap
*cc
)
673 struct cx23885_dev
*dev
= video_drvdata(file
);
674 bool is_50hz
= dev
->tvnorm
& V4L2_STD_625_50
;
676 if (cc
->type
!= V4L2_BUF_TYPE_VIDEO_CAPTURE
)
681 cc
->bounds
.width
= 720;
682 cc
->bounds
.height
= norm_maxh(dev
->tvnorm
);
683 cc
->defrect
= cc
->bounds
;
684 cc
->pixelaspect
.numerator
= is_50hz
? 54 : 11;
685 cc
->pixelaspect
.denominator
= is_50hz
? 59 : 10;
690 static int vidioc_g_std(struct file
*file
, void *priv
, v4l2_std_id
*id
)
692 struct cx23885_dev
*dev
= video_drvdata(file
);
693 dprintk(1, "%s()\n", __func__
);
699 static int vidioc_s_std(struct file
*file
, void *priv
, v4l2_std_id tvnorms
)
701 struct cx23885_dev
*dev
= video_drvdata(file
);
702 dprintk(1, "%s()\n", __func__
);
704 return cx23885_set_tvnorm(dev
, tvnorms
);
707 int cx23885_enum_input(struct cx23885_dev
*dev
, struct v4l2_input
*i
)
709 static const char *iname
[] = {
710 [CX23885_VMUX_COMPOSITE1
] = "Composite1",
711 [CX23885_VMUX_COMPOSITE2
] = "Composite2",
712 [CX23885_VMUX_COMPOSITE3
] = "Composite3",
713 [CX23885_VMUX_COMPOSITE4
] = "Composite4",
714 [CX23885_VMUX_SVIDEO
] = "S-Video",
715 [CX23885_VMUX_COMPONENT
] = "Component",
716 [CX23885_VMUX_TELEVISION
] = "Television",
717 [CX23885_VMUX_CABLE
] = "Cable TV",
718 [CX23885_VMUX_DVB
] = "DVB",
719 [CX23885_VMUX_DEBUG
] = "for debug only",
722 dprintk(1, "%s()\n", __func__
);
725 if (n
>= MAX_CX23885_INPUT
)
728 if (0 == INPUT(n
)->type
)
732 i
->type
= V4L2_INPUT_TYPE_CAMERA
;
733 strcpy(i
->name
, iname
[INPUT(n
)->type
]);
734 i
->std
= CX23885_NORMS
;
735 if ((CX23885_VMUX_TELEVISION
== INPUT(n
)->type
) ||
736 (CX23885_VMUX_CABLE
== INPUT(n
)->type
)) {
737 i
->type
= V4L2_INPUT_TYPE_TUNER
;
740 /* Two selectable audio inputs for non-tv inputs */
744 if (dev
->input
== n
) {
745 /* enum'd input matches our configured input.
746 * Ask the video decoder to process the call
747 * and give it an oppertunity to update the
750 call_all(dev
, video
, g_input_status
, &i
->status
);
756 static int vidioc_enum_input(struct file
*file
, void *priv
,
757 struct v4l2_input
*i
)
759 struct cx23885_dev
*dev
= video_drvdata(file
);
760 dprintk(1, "%s()\n", __func__
);
761 return cx23885_enum_input(dev
, i
);
764 int cx23885_get_input(struct file
*file
, void *priv
, unsigned int *i
)
766 struct cx23885_dev
*dev
= video_drvdata(file
);
769 dprintk(1, "%s() returns %d\n", __func__
, *i
);
773 static int vidioc_g_input(struct file
*file
, void *priv
, unsigned int *i
)
775 return cx23885_get_input(file
, priv
, i
);
778 int cx23885_set_input(struct file
*file
, void *priv
, unsigned int i
)
780 struct cx23885_dev
*dev
= video_drvdata(file
);
782 dprintk(1, "%s(%d)\n", __func__
, i
);
784 if (i
>= MAX_CX23885_INPUT
) {
785 dprintk(1, "%s() -EINVAL\n", __func__
);
789 if (INPUT(i
)->type
== 0)
792 cx23885_video_mux(dev
, i
);
794 /* By default establish the default audio input for the card also */
795 /* Caller is free to use VIDIOC_S_AUDIO to override afterwards */
796 cx23885_audio_mux(dev
, i
);
800 static int vidioc_s_input(struct file
*file
, void *priv
, unsigned int i
)
802 return cx23885_set_input(file
, priv
, i
);
805 static int vidioc_log_status(struct file
*file
, void *priv
)
807 struct cx23885_dev
*dev
= video_drvdata(file
);
809 call_all(dev
, core
, log_status
);
813 static int cx23885_query_audinput(struct file
*file
, void *priv
,
814 struct v4l2_audio
*i
)
816 static const char *iname
[] = {
817 [0] = "Baseband L/R 1",
818 [1] = "Baseband L/R 2",
822 dprintk(1, "%s()\n", __func__
);
828 memset(i
, 0, sizeof(*i
));
830 strcpy(i
->name
, iname
[n
]);
831 i
->capability
= V4L2_AUDCAP_STEREO
;
836 static int vidioc_enum_audinput(struct file
*file
, void *priv
,
837 struct v4l2_audio
*i
)
839 return cx23885_query_audinput(file
, priv
, i
);
842 static int vidioc_g_audinput(struct file
*file
, void *priv
,
843 struct v4l2_audio
*i
)
845 struct cx23885_dev
*dev
= video_drvdata(file
);
847 if ((CX23885_VMUX_TELEVISION
== INPUT(dev
->input
)->type
) ||
848 (CX23885_VMUX_CABLE
== INPUT(dev
->input
)->type
))
851 i
->index
= dev
->audinput
;
852 dprintk(1, "%s(input=%d)\n", __func__
, i
->index
);
854 return cx23885_query_audinput(file
, priv
, i
);
857 static int vidioc_s_audinput(struct file
*file
, void *priv
,
858 const struct v4l2_audio
*i
)
860 struct cx23885_dev
*dev
= video_drvdata(file
);
862 if ((CX23885_VMUX_TELEVISION
== INPUT(dev
->input
)->type
) ||
863 (CX23885_VMUX_CABLE
== INPUT(dev
->input
)->type
)) {
864 return i
->index
!= 2 ? -EINVAL
: 0;
869 dprintk(1, "%s(%d)\n", __func__
, i
->index
);
871 dev
->audinput
= i
->index
;
873 /* Skip the audio defaults from the cards struct, caller wants
874 * directly touch the audio mux hardware. */
875 cx23885_flatiron_mux(dev
, dev
->audinput
+ 1);
879 static int vidioc_g_tuner(struct file
*file
, void *priv
,
880 struct v4l2_tuner
*t
)
882 struct cx23885_dev
*dev
= video_drvdata(file
);
884 if (dev
->tuner_type
== TUNER_ABSENT
)
889 strcpy(t
->name
, "Television");
891 call_all(dev
, tuner
, g_tuner
, t
);
895 static int vidioc_s_tuner(struct file
*file
, void *priv
,
896 const struct v4l2_tuner
*t
)
898 struct cx23885_dev
*dev
= video_drvdata(file
);
900 if (dev
->tuner_type
== TUNER_ABSENT
)
904 /* Update the A/V core */
905 call_all(dev
, tuner
, s_tuner
, t
);
910 static int vidioc_g_frequency(struct file
*file
, void *priv
,
911 struct v4l2_frequency
*f
)
913 struct cx23885_dev
*dev
= video_drvdata(file
);
915 if (dev
->tuner_type
== TUNER_ABSENT
)
918 f
->type
= V4L2_TUNER_ANALOG_TV
;
919 f
->frequency
= dev
->freq
;
921 call_all(dev
, tuner
, g_frequency
, f
);
926 static int cx23885_set_freq(struct cx23885_dev
*dev
, const struct v4l2_frequency
*f
)
928 struct v4l2_ctrl
*mute
;
929 int old_mute_val
= 1;
931 if (dev
->tuner_type
== TUNER_ABSENT
)
933 if (unlikely(f
->tuner
!= 0))
936 dev
->freq
= f
->frequency
;
938 /* I need to mute audio here */
939 mute
= v4l2_ctrl_find(&dev
->ctrl_handler
, V4L2_CID_AUDIO_MUTE
);
941 old_mute_val
= v4l2_ctrl_g_ctrl(mute
);
943 v4l2_ctrl_s_ctrl(mute
, 1);
946 call_all(dev
, tuner
, s_frequency
, f
);
948 /* When changing channels it is required to reset TVAUDIO */
951 /* I need to unmute audio here */
952 if (old_mute_val
== 0)
953 v4l2_ctrl_s_ctrl(mute
, old_mute_val
);
958 static int cx23885_set_freq_via_ops(struct cx23885_dev
*dev
,
959 const struct v4l2_frequency
*f
)
961 struct v4l2_ctrl
*mute
;
962 int old_mute_val
= 1;
963 struct vb2_dvb_frontend
*vfe
;
964 struct dvb_frontend
*fe
;
966 struct analog_parameters params
= {
967 .mode
= V4L2_TUNER_ANALOG_TV
,
968 .audmode
= V4L2_TUNER_MODE_STEREO
,
970 .frequency
= f
->frequency
973 dev
->freq
= f
->frequency
;
975 /* I need to mute audio here */
976 mute
= v4l2_ctrl_find(&dev
->ctrl_handler
, V4L2_CID_AUDIO_MUTE
);
978 old_mute_val
= v4l2_ctrl_g_ctrl(mute
);
980 v4l2_ctrl_s_ctrl(mute
, 1);
984 dprintk(1, "%s() frequency=%d tuner=%d std=0x%llx\n", __func__
,
985 params
.frequency
, f
->tuner
, params
.std
);
987 vfe
= vb2_dvb_get_frontend(&dev
->ts2
.frontends
, 1);
992 fe
= vfe
->dvb
.frontend
;
994 if ((dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1850
) ||
995 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255
) ||
996 (dev
->board
== CX23885_BOARD_HAUPPAUGE_HVR1255_22111
))
997 fe
= &dev
->ts1
.analog_fe
;
999 if (fe
&& fe
->ops
.tuner_ops
.set_analog_params
) {
1000 call_all(dev
, video
, s_std
, dev
->tvnorm
);
1001 fe
->ops
.tuner_ops
.set_analog_params(fe
, ¶ms
);
1004 pr_err("%s() No analog tuner, aborting\n", __func__
);
1006 /* When changing channels it is required to reset TVAUDIO */
1009 /* I need to unmute audio here */
1010 if (old_mute_val
== 0)
1011 v4l2_ctrl_s_ctrl(mute
, old_mute_val
);
1016 int cx23885_set_frequency(struct file
*file
, void *priv
,
1017 const struct v4l2_frequency
*f
)
1019 struct cx23885_dev
*dev
= video_drvdata(file
);
1022 switch (dev
->board
) {
1023 case CX23885_BOARD_HAUPPAUGE_HVR1255
:
1024 case CX23885_BOARD_HAUPPAUGE_HVR1255_22111
:
1025 case CX23885_BOARD_HAUPPAUGE_HVR1850
:
1026 ret
= cx23885_set_freq_via_ops(dev
, f
);
1029 ret
= cx23885_set_freq(dev
, f
);
1035 static int vidioc_s_frequency(struct file
*file
, void *priv
,
1036 const struct v4l2_frequency
*f
)
1038 return cx23885_set_frequency(file
, priv
, f
);
1041 /* ----------------------------------------------------------- */
1043 int cx23885_video_irq(struct cx23885_dev
*dev
, u32 status
)
1048 mask
= cx_read(VID_A_INT_MSK
);
1049 if (0 == (status
& mask
))
1052 cx_write(VID_A_INT_STAT
, status
);
1054 /* risc op code error, fifo overflow or line sync detection error */
1055 if ((status
& VID_BC_MSK_OPC_ERR
) ||
1056 (status
& VID_BC_MSK_SYNC
) ||
1057 (status
& VID_BC_MSK_OF
)) {
1059 if (status
& VID_BC_MSK_OPC_ERR
) {
1060 dprintk(7, " (VID_BC_MSK_OPC_ERR 0x%08x)\n",
1061 VID_BC_MSK_OPC_ERR
);
1062 pr_warn("%s: video risc op code error\n",
1064 cx23885_sram_channel_dump(dev
,
1065 &dev
->sram_channels
[SRAM_CH01
]);
1068 if (status
& VID_BC_MSK_SYNC
)
1069 dprintk(7, " (VID_BC_MSK_SYNC 0x%08x) video lines miss-match\n",
1072 if (status
& VID_BC_MSK_OF
)
1073 dprintk(7, " (VID_BC_MSK_OF 0x%08x) fifo overflow\n",
1079 if (status
& VID_BC_MSK_RISCI1
) {
1080 spin_lock(&dev
->slock
);
1081 count
= cx_read(VID_A_GPCNT
);
1082 cx23885_video_wakeup(dev
, &dev
->vidq
, count
);
1083 spin_unlock(&dev
->slock
);
1087 /* Allow the VBI framework to process it's payload */
1088 handled
+= cx23885_vbi_irq(dev
, status
);
1093 /* ----------------------------------------------------------- */
1094 /* exported stuff */
1096 static const struct v4l2_file_operations video_fops
= {
1097 .owner
= THIS_MODULE
,
1098 .open
= v4l2_fh_open
,
1099 .release
= vb2_fop_release
,
1100 .read
= vb2_fop_read
,
1101 .poll
= vb2_fop_poll
,
1102 .unlocked_ioctl
= video_ioctl2
,
1103 .mmap
= vb2_fop_mmap
,
1106 static const struct v4l2_ioctl_ops video_ioctl_ops
= {
1107 .vidioc_querycap
= vidioc_querycap
,
1108 .vidioc_enum_fmt_vid_cap
= vidioc_enum_fmt_vid_cap
,
1109 .vidioc_g_fmt_vid_cap
= vidioc_g_fmt_vid_cap
,
1110 .vidioc_try_fmt_vid_cap
= vidioc_try_fmt_vid_cap
,
1111 .vidioc_s_fmt_vid_cap
= vidioc_s_fmt_vid_cap
,
1112 .vidioc_g_fmt_vbi_cap
= cx23885_vbi_fmt
,
1113 .vidioc_try_fmt_vbi_cap
= cx23885_vbi_fmt
,
1114 .vidioc_s_fmt_vbi_cap
= cx23885_vbi_fmt
,
1115 .vidioc_reqbufs
= vb2_ioctl_reqbufs
,
1116 .vidioc_prepare_buf
= vb2_ioctl_prepare_buf
,
1117 .vidioc_querybuf
= vb2_ioctl_querybuf
,
1118 .vidioc_qbuf
= vb2_ioctl_qbuf
,
1119 .vidioc_dqbuf
= vb2_ioctl_dqbuf
,
1120 .vidioc_streamon
= vb2_ioctl_streamon
,
1121 .vidioc_streamoff
= vb2_ioctl_streamoff
,
1122 .vidioc_cropcap
= vidioc_cropcap
,
1123 .vidioc_s_std
= vidioc_s_std
,
1124 .vidioc_g_std
= vidioc_g_std
,
1125 .vidioc_enum_input
= vidioc_enum_input
,
1126 .vidioc_g_input
= vidioc_g_input
,
1127 .vidioc_s_input
= vidioc_s_input
,
1128 .vidioc_log_status
= vidioc_log_status
,
1129 .vidioc_g_tuner
= vidioc_g_tuner
,
1130 .vidioc_s_tuner
= vidioc_s_tuner
,
1131 .vidioc_g_frequency
= vidioc_g_frequency
,
1132 .vidioc_s_frequency
= vidioc_s_frequency
,
1133 #ifdef CONFIG_VIDEO_ADV_DEBUG
1134 .vidioc_g_chip_info
= cx23885_g_chip_info
,
1135 .vidioc_g_register
= cx23885_g_register
,
1136 .vidioc_s_register
= cx23885_s_register
,
1138 .vidioc_enumaudio
= vidioc_enum_audinput
,
1139 .vidioc_g_audio
= vidioc_g_audinput
,
1140 .vidioc_s_audio
= vidioc_s_audinput
,
1141 .vidioc_subscribe_event
= v4l2_ctrl_subscribe_event
,
1142 .vidioc_unsubscribe_event
= v4l2_event_unsubscribe
,
1145 static struct video_device cx23885_vbi_template
;
1146 static struct video_device cx23885_video_template
= {
1147 .name
= "cx23885-video",
1148 .fops
= &video_fops
,
1149 .ioctl_ops
= &video_ioctl_ops
,
1150 .tvnorms
= CX23885_NORMS
,
1153 void cx23885_video_unregister(struct cx23885_dev
*dev
)
1155 dprintk(1, "%s()\n", __func__
);
1156 cx23885_irq_remove(dev
, 0x01);
1159 if (video_is_registered(dev
->vbi_dev
))
1160 video_unregister_device(dev
->vbi_dev
);
1162 video_device_release(dev
->vbi_dev
);
1163 dev
->vbi_dev
= NULL
;
1165 if (dev
->video_dev
) {
1166 if (video_is_registered(dev
->video_dev
))
1167 video_unregister_device(dev
->video_dev
);
1169 video_device_release(dev
->video_dev
);
1170 dev
->video_dev
= NULL
;
1174 cx23885_audio_unregister(dev
);
1177 int cx23885_video_register(struct cx23885_dev
*dev
)
1179 struct vb2_queue
*q
;
1182 dprintk(1, "%s()\n", __func__
);
1184 /* Initialize VBI template */
1185 cx23885_vbi_template
= cx23885_video_template
;
1186 strcpy(cx23885_vbi_template
.name
, "cx23885-vbi");
1188 dev
->tvnorm
= V4L2_STD_NTSC_M
;
1189 dev
->fmt
= format_by_fourcc(V4L2_PIX_FMT_YUYV
);
1190 dev
->field
= V4L2_FIELD_INTERLACED
;
1192 dev
->height
= norm_maxh(dev
->tvnorm
);
1194 /* init video dma queues */
1195 INIT_LIST_HEAD(&dev
->vidq
.active
);
1197 /* init vbi dma queues */
1198 INIT_LIST_HEAD(&dev
->vbiq
.active
);
1200 cx23885_irq_add_enable(dev
, 0x01);
1202 if ((TUNER_ABSENT
!= dev
->tuner_type
) &&
1203 ((dev
->tuner_bus
== 0) || (dev
->tuner_bus
== 1))) {
1204 struct v4l2_subdev
*sd
= NULL
;
1206 if (dev
->tuner_addr
)
1207 sd
= v4l2_i2c_new_subdev(&dev
->v4l2_dev
,
1208 &dev
->i2c_bus
[dev
->tuner_bus
].i2c_adap
,
1209 "tuner", dev
->tuner_addr
, NULL
);
1211 sd
= v4l2_i2c_new_subdev(&dev
->v4l2_dev
,
1212 &dev
->i2c_bus
[dev
->tuner_bus
].i2c_adap
,
1213 "tuner", 0, v4l2_i2c_tuner_addrs(ADDRS_TV
));
1215 struct tuner_setup tun_setup
;
1217 memset(&tun_setup
, 0, sizeof(tun_setup
));
1218 tun_setup
.mode_mask
= T_ANALOG_TV
;
1219 tun_setup
.type
= dev
->tuner_type
;
1220 tun_setup
.addr
= v4l2_i2c_subdev_addr(sd
);
1221 tun_setup
.tuner_callback
= cx23885_tuner_callback
;
1223 v4l2_subdev_call(sd
, tuner
, s_type_addr
, &tun_setup
);
1225 if ((dev
->board
== CX23885_BOARD_LEADTEK_WINFAST_PXTV1200
) ||
1226 (dev
->board
== CX23885_BOARD_LEADTEK_WINFAST_PXPVR2200
)) {
1227 struct xc2028_ctrl ctrl
= {
1228 .fname
= XC2028_DEFAULT_FIRMWARE
,
1231 struct v4l2_priv_tun_config cfg
= {
1232 .tuner
= dev
->tuner_type
,
1235 v4l2_subdev_call(sd
, tuner
, s_config
, &cfg
);
1238 if (dev
->board
== CX23885_BOARD_AVERMEDIA_HC81R
) {
1239 struct xc2028_ctrl ctrl
= {
1240 .fname
= "xc3028L-v36.fw",
1243 struct v4l2_priv_tun_config cfg
= {
1244 .tuner
= dev
->tuner_type
,
1247 v4l2_subdev_call(sd
, tuner
, s_config
, &cfg
);
1252 /* initial device configuration */
1253 mutex_lock(&dev
->lock
);
1254 cx23885_set_tvnorm(dev
, dev
->tvnorm
);
1255 cx23885_video_mux(dev
, 0);
1256 cx23885_audio_mux(dev
, 0);
1257 mutex_unlock(&dev
->lock
);
1260 q
->type
= V4L2_BUF_TYPE_VIDEO_CAPTURE
;
1261 q
->io_modes
= VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
| VB2_READ
;
1262 q
->gfp_flags
= GFP_DMA32
;
1263 q
->min_buffers_needed
= 2;
1265 q
->buf_struct_size
= sizeof(struct cx23885_buffer
);
1266 q
->ops
= &cx23885_video_qops
;
1267 q
->mem_ops
= &vb2_dma_sg_memops
;
1268 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1269 q
->lock
= &dev
->lock
;
1270 q
->dev
= &dev
->pci
->dev
;
1272 err
= vb2_queue_init(q
);
1277 q
->type
= V4L2_BUF_TYPE_VBI_CAPTURE
;
1278 q
->io_modes
= VB2_MMAP
| VB2_USERPTR
| VB2_DMABUF
| VB2_READ
;
1279 q
->gfp_flags
= GFP_DMA32
;
1280 q
->min_buffers_needed
= 2;
1282 q
->buf_struct_size
= sizeof(struct cx23885_buffer
);
1283 q
->ops
= &cx23885_vbi_qops
;
1284 q
->mem_ops
= &vb2_dma_sg_memops
;
1285 q
->timestamp_flags
= V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC
;
1286 q
->lock
= &dev
->lock
;
1287 q
->dev
= &dev
->pci
->dev
;
1289 err
= vb2_queue_init(q
);
1293 /* register Video device */
1294 dev
->video_dev
= cx23885_vdev_init(dev
, dev
->pci
,
1295 &cx23885_video_template
, "video");
1296 dev
->video_dev
->queue
= &dev
->vb2_vidq
;
1297 err
= video_register_device(dev
->video_dev
, VFL_TYPE_GRABBER
,
1300 pr_info("%s: can't register video device\n",
1304 pr_info("%s: registered device %s [v4l2]\n",
1305 dev
->name
, video_device_node_name(dev
->video_dev
));
1307 /* register VBI device */
1308 dev
->vbi_dev
= cx23885_vdev_init(dev
, dev
->pci
,
1309 &cx23885_vbi_template
, "vbi");
1310 dev
->vbi_dev
->queue
= &dev
->vb2_vbiq
;
1311 err
= video_register_device(dev
->vbi_dev
, VFL_TYPE_VBI
,
1314 pr_info("%s: can't register vbi device\n",
1318 pr_info("%s: registered device %s\n",
1319 dev
->name
, video_device_node_name(dev
->vbi_dev
));
1321 /* Register ALSA audio device */
1322 dev
->audio_dev
= cx23885_audio_register(dev
);
1327 cx23885_video_unregister(dev
);