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linux/drivers/media/video/cx231xx/cx231xx-video.c
Tejun Heo 5a0e3ad6af include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files.  percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.

percpu.h -> slab.h dependency is about to be removed.  Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability.  As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.

  http://userweb.kernel.org/~tj/misc/slabh-sweep.py

The script does the followings.

* Scan files for gfp and slab usages and update includes such that
  only the necessary includes are there.  ie. if only gfp is used,
  gfp.h, if slab is used, slab.h.

* When the script inserts a new include, it looks at the include
  blocks and try to put the new include such that its order conforms
  to its surrounding.  It's put in the include block which contains
  core kernel includes, in the same order that the rest are ordered -
  alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
  doesn't seem to be any matching order.

* If the script can't find a place to put a new include (mostly
  because the file doesn't have fitting include block), it prints out
  an error message indicating which .h file needs to be added to the
  file.

The conversion was done in the following steps.

1. The initial automatic conversion of all .c files updated slightly
   over 4000 files, deleting around 700 includes and adding ~480 gfp.h
   and ~3000 slab.h inclusions.  The script emitted errors for ~400
   files.

2. Each error was manually checked.  Some didn't need the inclusion,
   some needed manual addition while adding it to implementation .h or
   embedding .c file was more appropriate for others.  This step added
   inclusions to around 150 files.

3. The script was run again and the output was compared to the edits
   from #2 to make sure no file was left behind.

4. Several build tests were done and a couple of problems were fixed.
   e.g. lib/decompress_*.c used malloc/free() wrappers around slab
   APIs requiring slab.h to be added manually.

5. The script was run on all .h files but without automatically
   editing them as sprinkling gfp.h and slab.h inclusions around .h
   files could easily lead to inclusion dependency hell.  Most gfp.h
   inclusion directives were ignored as stuff from gfp.h was usually
   wildly available and often used in preprocessor macros.  Each
   slab.h inclusion directive was examined and added manually as
   necessary.

6. percpu.h was updated not to include slab.h.

7. Build test were done on the following configurations and failures
   were fixed.  CONFIG_GCOV_KERNEL was turned off for all tests (as my
   distributed build env didn't work with gcov compiles) and a few
   more options had to be turned off depending on archs to make things
   build (like ipr on powerpc/64 which failed due to missing writeq).

   * x86 and x86_64 UP and SMP allmodconfig and a custom test config.
   * powerpc and powerpc64 SMP allmodconfig
   * sparc and sparc64 SMP allmodconfig
   * ia64 SMP allmodconfig
   * s390 SMP allmodconfig
   * alpha SMP allmodconfig
   * um on x86_64 SMP allmodconfig

8. percpu.h modifications were reverted so that it could be applied as
   a separate patch and serve as bisection point.

Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.

Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
2010-03-30 22:02:32 +09:00

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/*
cx231xx-video.c - driver for Conexant Cx23100/101/102
USB video capture devices
Copyright (C) 2008 <srinivasa.deevi at conexant dot com>
Based on em28xx driver
Based on cx23885 driver
Based on cx88 driver
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/init.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/bitmap.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <linux/version.h>
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-chip-ident.h>
#include <media/msp3400.h>
#include <media/tuner.h>
#include "dvb_frontend.h"
#include "cx231xx.h"
#include "cx231xx-vbi.h"
#define CX231XX_VERSION_CODE KERNEL_VERSION(0, 0, 1)
#define DRIVER_AUTHOR "Srinivasa Deevi <srinivasa.deevi@conexant.com>"
#define DRIVER_DESC "Conexant cx231xx based USB video device driver"
#define cx231xx_videodbg(fmt, arg...) do {\
if (video_debug) \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __func__ , ##arg); } while (0)
static unsigned int isoc_debug;
module_param(isoc_debug, int, 0644);
MODULE_PARM_DESC(isoc_debug, "enable debug messages [isoc transfers]");
#define cx231xx_isocdbg(fmt, arg...) \
do {\
if (isoc_debug) { \
printk(KERN_INFO "%s %s :"fmt, \
dev->name, __func__ , ##arg); \
} \
} while (0)
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
MODULE_LICENSE("GPL");
static unsigned int card[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int video_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int vbi_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
static unsigned int radio_nr[] = {[0 ... (CX231XX_MAXBOARDS - 1)] = UNSET };
module_param_array(card, int, NULL, 0444);
module_param_array(video_nr, int, NULL, 0444);
module_param_array(vbi_nr, int, NULL, 0444);
module_param_array(radio_nr, int, NULL, 0444);
MODULE_PARM_DESC(card, "card type");
MODULE_PARM_DESC(video_nr, "video device numbers");
MODULE_PARM_DESC(vbi_nr, "vbi device numbers");
MODULE_PARM_DESC(radio_nr, "radio device numbers");
static unsigned int video_debug;
module_param(video_debug, int, 0644);
MODULE_PARM_DESC(video_debug, "enable debug messages [video]");
/* supported video standards */
static struct cx231xx_fmt format[] = {
{
.name = "16bpp YUY2, 4:2:2, packed",
.fourcc = V4L2_PIX_FMT_YUYV,
.depth = 16,
.reg = 0,
},
};
/* supported controls */
/* Common to all boards */
/* ------------------------------------------------------------------- */
static const struct v4l2_queryctrl no_ctl = {
.name = "42",
.flags = V4L2_CTRL_FLAG_DISABLED,
};
static struct cx231xx_ctrl cx231xx_ctls[] = {
/* --- video --- */
{
.v = {
.id = V4L2_CID_BRIGHTNESS,
.name = "Brightness",
.minimum = 0x00,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 128,
.reg = LUMA_CTRL,
.mask = 0x00ff,
.shift = 0,
}, {
.v = {
.id = V4L2_CID_CONTRAST,
.name = "Contrast",
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x3f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 0,
.reg = LUMA_CTRL,
.mask = 0xff00,
.shift = 8,
}, {
.v = {
.id = V4L2_CID_HUE,
.name = "Hue",
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 128,
.reg = CHROMA_CTRL,
.mask = 0xff0000,
.shift = 16,
}, {
/* strictly, this only describes only U saturation.
* V saturation is handled specially through code.
*/
.v = {
.id = V4L2_CID_SATURATION,
.name = "Saturation",
.minimum = 0,
.maximum = 0xff,
.step = 1,
.default_value = 0x7f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.off = 0,
.reg = CHROMA_CTRL,
.mask = 0x00ff,
.shift = 0,
}, {
/* --- audio --- */
.v = {
.id = V4L2_CID_AUDIO_MUTE,
.name = "Mute",
.minimum = 0,
.maximum = 1,
.default_value = 1,
.type = V4L2_CTRL_TYPE_BOOLEAN,
},
.reg = PATH1_CTL1,
.mask = (0x1f << 24),
.shift = 24,
}, {
.v = {
.id = V4L2_CID_AUDIO_VOLUME,
.name = "Volume",
.minimum = 0,
.maximum = 0x3f,
.step = 1,
.default_value = 0x3f,
.type = V4L2_CTRL_TYPE_INTEGER,
},
.reg = PATH1_VOL_CTL,
.mask = 0xff,
.shift = 0,
}
};
static const int CX231XX_CTLS = ARRAY_SIZE(cx231xx_ctls);
static const u32 cx231xx_user_ctrls[] = {
V4L2_CID_USER_CLASS,
V4L2_CID_BRIGHTNESS,
V4L2_CID_CONTRAST,
V4L2_CID_SATURATION,
V4L2_CID_HUE,
V4L2_CID_AUDIO_VOLUME,
#if 0
V4L2_CID_AUDIO_BALANCE,
#endif
V4L2_CID_AUDIO_MUTE,
0
};
static const u32 *ctrl_classes[] = {
cx231xx_user_ctrls,
NULL
};
/* ------------------------------------------------------------------
Video buffer and parser functions
------------------------------------------------------------------*/
/*
* Announces that a buffer were filled and request the next
*/
static inline void buffer_filled(struct cx231xx *dev,
struct cx231xx_dmaqueue *dma_q,
struct cx231xx_buffer *buf)
{
/* Advice that buffer was filled */
cx231xx_isocdbg("[%p/%d] wakeup\n", buf, buf->vb.i);
buf->vb.state = VIDEOBUF_DONE;
buf->vb.field_count++;
do_gettimeofday(&buf->vb.ts);
dev->video_mode.isoc_ctl.buf = NULL;
list_del(&buf->vb.queue);
wake_up(&buf->vb.done);
}
static inline void print_err_status(struct cx231xx *dev, int packet, int status)
{
char *errmsg = "Unknown";
switch (status) {
case -ENOENT:
errmsg = "unlinked synchronuously";
break;
case -ECONNRESET:
errmsg = "unlinked asynchronuously";
break;
case -ENOSR:
errmsg = "Buffer error (overrun)";
break;
case -EPIPE:
errmsg = "Stalled (device not responding)";
break;
case -EOVERFLOW:
errmsg = "Babble (bad cable?)";
break;
case -EPROTO:
errmsg = "Bit-stuff error (bad cable?)";
break;
case -EILSEQ:
errmsg = "CRC/Timeout (could be anything)";
break;
case -ETIME:
errmsg = "Device does not respond";
break;
}
if (packet < 0) {
cx231xx_isocdbg("URB status %d [%s].\n", status, errmsg);
} else {
cx231xx_isocdbg("URB packet %d, status %d [%s].\n",
packet, status, errmsg);
}
}
/*
* video-buf generic routine to get the next available buffer
*/
static inline void get_next_buf(struct cx231xx_dmaqueue *dma_q,
struct cx231xx_buffer **buf)
{
struct cx231xx_video_mode *vmode =
container_of(dma_q, struct cx231xx_video_mode, vidq);
struct cx231xx *dev = container_of(vmode, struct cx231xx, video_mode);
char *outp;
if (list_empty(&dma_q->active)) {
cx231xx_isocdbg("No active queue to serve\n");
dev->video_mode.isoc_ctl.buf = NULL;
*buf = NULL;
return;
}
/* Get the next buffer */
*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);
/* Cleans up buffer - Usefull for testing for frame/URB loss */
outp = videobuf_to_vmalloc(&(*buf)->vb);
memset(outp, 0, (*buf)->vb.size);
dev->video_mode.isoc_ctl.buf = *buf;
return;
}
/*
* Controls the isoc copy of each urb packet
*/
static inline int cx231xx_isoc_copy(struct cx231xx *dev, struct urb *urb)
{
struct cx231xx_buffer *buf;
struct cx231xx_dmaqueue *dma_q = urb->context;
unsigned char *outp = NULL;
int i, rc = 1;
unsigned char *p_buffer;
u32 bytes_parsed = 0, buffer_size = 0;
u8 sav_eav = 0;
if (!dev)
return 0;
if ((dev->state & DEV_DISCONNECTED) || (dev->state & DEV_MISCONFIGURED))
return 0;
if (urb->status < 0) {
print_err_status(dev, -1, urb->status);
if (urb->status == -ENOENT)
return 0;
}
buf = dev->video_mode.isoc_ctl.buf;
if (buf != NULL)
outp = videobuf_to_vmalloc(&buf->vb);
for (i = 0; i < urb->number_of_packets; i++) {
int status = urb->iso_frame_desc[i].status;
if (status < 0) {
print_err_status(dev, i, status);
if (urb->iso_frame_desc[i].status != -EPROTO)
continue;
}
if (urb->iso_frame_desc[i].actual_length <= 0) {
/* cx231xx_isocdbg("packet %d is empty",i); - spammy */
continue;
}
if (urb->iso_frame_desc[i].actual_length >
dev->video_mode.max_pkt_size) {
cx231xx_isocdbg("packet bigger than packet size");
continue;
}
/* get buffer pointer and length */
p_buffer = urb->transfer_buffer + urb->iso_frame_desc[i].offset;
buffer_size = urb->iso_frame_desc[i].actual_length;
bytes_parsed = 0;
if (dma_q->is_partial_line) {
/* Handle the case of a partial line */
sav_eav = dma_q->last_sav;
} else {
/* Check for a SAV/EAV overlapping
the buffer boundary */
sav_eav =
cx231xx_find_boundary_SAV_EAV(p_buffer,
dma_q->partial_buf,
&bytes_parsed);
}
sav_eav &= 0xF0;
/* Get the first line if we have some portion of an SAV/EAV from
the last buffer or a partial line */
if (sav_eav) {
bytes_parsed += cx231xx_get_video_line(dev, dma_q,
sav_eav, /* SAV/EAV */
p_buffer + bytes_parsed, /* p_buffer */
buffer_size - bytes_parsed);/* buf size */
}
/* Now parse data that is completely in this buffer */
/* dma_q->is_partial_line = 0; */
while (bytes_parsed < buffer_size) {
u32 bytes_used = 0;
sav_eav = cx231xx_find_next_SAV_EAV(
p_buffer + bytes_parsed, /* p_buffer */
buffer_size - bytes_parsed, /* buf size */
&bytes_used);/* bytes used to get SAV/EAV */
bytes_parsed += bytes_used;
sav_eav &= 0xF0;
if (sav_eav && (bytes_parsed < buffer_size)) {
bytes_parsed += cx231xx_get_video_line(dev,
dma_q, sav_eav, /* SAV/EAV */
p_buffer + bytes_parsed,/* p_buffer */
buffer_size - bytes_parsed);/*buf size*/
}
}
/* Save the last four bytes of the buffer so we can check the
buffer boundary condition next time */
memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);
bytes_parsed = 0;
}
return rc;
}
u8 cx231xx_find_boundary_SAV_EAV(u8 *p_buffer, u8 *partial_buf,
u32 *p_bytes_used)
{
u32 bytes_used;
u8 boundary_bytes[8];
u8 sav_eav = 0;
*p_bytes_used = 0;
/* Create an array of the last 4 bytes of the last buffer and the first
4 bytes of the current buffer. */
memcpy(boundary_bytes, partial_buf, 4);
memcpy(boundary_bytes + 4, p_buffer, 4);
/* Check for the SAV/EAV in the boundary buffer */
sav_eav = cx231xx_find_next_SAV_EAV((u8 *)&boundary_bytes, 8,
&bytes_used);
if (sav_eav) {
/* found a boundary SAV/EAV. Updates the bytes used to reflect
only those used in the new buffer */
*p_bytes_used = bytes_used - 4;
}
return sav_eav;
}
u8 cx231xx_find_next_SAV_EAV(u8 *p_buffer, u32 buffer_size, u32 *p_bytes_used)
{
u32 i;
u8 sav_eav = 0;
/*
* Don't search if the buffer size is less than 4. It causes a page
* fault since buffer_size - 4 evaluates to a large number in that
* case.
*/
if (buffer_size < 4) {
*p_bytes_used = buffer_size;
return 0;
}
for (i = 0; i < (buffer_size - 3); i++) {
if ((p_buffer[i] == 0xFF) &&
(p_buffer[i + 1] == 0x00) && (p_buffer[i + 2] == 0x00)) {
*p_bytes_used = i + 4;
sav_eav = p_buffer[i + 3];
return sav_eav;
}
}
*p_bytes_used = buffer_size;
return 0;
}
u32 cx231xx_get_video_line(struct cx231xx *dev,
struct cx231xx_dmaqueue *dma_q, u8 sav_eav,
u8 *p_buffer, u32 buffer_size)
{
u32 bytes_copied = 0;
int current_field = -1;
switch (sav_eav) {
case SAV_ACTIVE_VIDEO_FIELD1:
/* looking for skipped line which occurred in PAL 720x480 mode.
In this case, there will be no active data contained
between the SAV and EAV */
if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
(p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
(p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
(p_buffer[3] == EAV_VBLANK_FIELD1) ||
(p_buffer[3] == EAV_VBLANK_FIELD2)))
return bytes_copied;
current_field = 1;
break;
case SAV_ACTIVE_VIDEO_FIELD2:
/* looking for skipped line which occurred in PAL 720x480 mode.
In this case, there will be no active data contained between
the SAV and EAV */
if ((buffer_size > 3) && (p_buffer[0] == 0xFF) &&
(p_buffer[1] == 0x00) && (p_buffer[2] == 0x00) &&
((p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD1) ||
(p_buffer[3] == EAV_ACTIVE_VIDEO_FIELD2) ||
(p_buffer[3] == EAV_VBLANK_FIELD1) ||
(p_buffer[3] == EAV_VBLANK_FIELD2)))
return bytes_copied;
current_field = 2;
break;
}
dma_q->last_sav = sav_eav;
bytes_copied = cx231xx_copy_video_line(dev, dma_q, p_buffer,
buffer_size, current_field);
return bytes_copied;
}
u32 cx231xx_copy_video_line(struct cx231xx *dev,
struct cx231xx_dmaqueue *dma_q, u8 *p_line,
u32 length, int field_number)
{
u32 bytes_to_copy;
struct cx231xx_buffer *buf;
u32 _line_size = dev->width * 2;
if (dma_q->current_field != field_number)
cx231xx_reset_video_buffer(dev, dma_q);
/* get the buffer pointer */
buf = dev->video_mode.isoc_ctl.buf;
/* Remember the field number for next time */
dma_q->current_field = field_number;
bytes_to_copy = dma_q->bytes_left_in_line;
if (bytes_to_copy > length)
bytes_to_copy = length;
if (dma_q->lines_completed >= dma_q->lines_per_field) {
dma_q->bytes_left_in_line -= bytes_to_copy;
dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0) ?
0 : 1;
return 0;
}
dma_q->is_partial_line = 1;
/* If we don't have a buffer, just return the number of bytes we would
have copied if we had a buffer. */
if (!buf) {
dma_q->bytes_left_in_line -= bytes_to_copy;
dma_q->is_partial_line = (dma_q->bytes_left_in_line == 0)
? 0 : 1;
return bytes_to_copy;
}
/* copy the data to video buffer */
cx231xx_do_copy(dev, dma_q, p_line, bytes_to_copy);
dma_q->pos += bytes_to_copy;
dma_q->bytes_left_in_line -= bytes_to_copy;
if (dma_q->bytes_left_in_line == 0) {
dma_q->bytes_left_in_line = _line_size;
dma_q->lines_completed++;
dma_q->is_partial_line = 0;
if (cx231xx_is_buffer_done(dev, dma_q) && buf) {
buffer_filled(dev, dma_q, buf);
dma_q->pos = 0;
buf = NULL;
dma_q->lines_completed = 0;
}
}
return bytes_to_copy;
}
void cx231xx_reset_video_buffer(struct cx231xx *dev,
struct cx231xx_dmaqueue *dma_q)
{
struct cx231xx_buffer *buf;
/* handle the switch from field 1 to field 2 */
if (dma_q->current_field == 1) {
if (dma_q->lines_completed >= dma_q->lines_per_field)
dma_q->field1_done = 1;
else
dma_q->field1_done = 0;
}
buf = dev->video_mode.isoc_ctl.buf;
if (buf == NULL) {
u8 *outp = NULL;
/* first try to get the buffer */
get_next_buf(dma_q, &buf);
if (buf)
outp = videobuf_to_vmalloc(&buf->vb);
dma_q->pos = 0;
dma_q->field1_done = 0;
dma_q->current_field = -1;
}
/* reset the counters */
dma_q->bytes_left_in_line = dev->width << 1;
dma_q->lines_completed = 0;
}
int cx231xx_do_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,
u8 *p_buffer, u32 bytes_to_copy)
{
u8 *p_out_buffer = NULL;
u32 current_line_bytes_copied = 0;
struct cx231xx_buffer *buf;
u32 _line_size = dev->width << 1;
void *startwrite;
int offset, lencopy;
buf = dev->video_mode.isoc_ctl.buf;
if (buf == NULL)
return -1;
p_out_buffer = videobuf_to_vmalloc(&buf->vb);
current_line_bytes_copied = _line_size - dma_q->bytes_left_in_line;
/* Offset field 2 one line from the top of the buffer */
offset = (dma_q->current_field == 1) ? 0 : _line_size;
/* Offset for field 2 */
startwrite = p_out_buffer + offset;
/* lines already completed in the current field */
startwrite += (dma_q->lines_completed * _line_size * 2);
/* bytes already completed in the current line */
startwrite += current_line_bytes_copied;
lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?
bytes_to_copy : dma_q->bytes_left_in_line;
if ((u8 *)(startwrite + lencopy) > (u8 *)(p_out_buffer + buf->vb.size))
return 0;
/* The below copies the UYVY data straight into video buffer */
cx231xx_swab((u16 *) p_buffer, (u16 *) startwrite, (u16) lencopy);
return 0;
}
void cx231xx_swab(u16 *from, u16 *to, u16 len)
{
u16 i;
if (len <= 0)
return;
for (i = 0; i < len / 2; i++)
to[i] = (from[i] << 8) | (from[i] >> 8);
}
u8 cx231xx_is_buffer_done(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q)
{
u8 buffer_complete = 0;
/* Dual field stream */
buffer_complete = ((dma_q->current_field == 2) &&
(dma_q->lines_completed >= dma_q->lines_per_field) &&
dma_q->field1_done);
return buffer_complete;
}
/* ------------------------------------------------------------------
Videobuf operations
------------------------------------------------------------------*/
static int
buffer_setup(struct videobuf_queue *vq, unsigned int *count, unsigned int *size)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
struct v4l2_frequency f;
*size = (fh->dev->width * fh->dev->height * dev->format->depth + 7)>>3;
if (0 == *count)
*count = CX231XX_DEF_BUF;
if (*count < CX231XX_MIN_BUF)
*count = CX231XX_MIN_BUF;
/* Ask tuner to go to analog mode */
memset(&f, 0, sizeof(f));
f.frequency = dev->ctl_freq;
f.type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
call_all(dev, tuner, s_frequency, &f);
return 0;
}
/* This is called *without* dev->slock held; please keep it that way */
static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
unsigned long flags = 0;
if (in_interrupt())
BUG();
/* We used to wait for the buffer to finish here, but this didn't work
because, as we were keeping the state as VIDEOBUF_QUEUED,
videobuf_queue_cancel marked it as finished for us.
(Also, it could wedge forever if the hardware was misconfigured.)
This should be safe; by the time we get here, the buffer isn't
queued anymore. If we ever start marking the buffers as
VIDEOBUF_ACTIVE, it won't be, though.
*/
spin_lock_irqsave(&dev->video_mode.slock, flags);
if (dev->video_mode.isoc_ctl.buf == buf)
dev->video_mode.isoc_ctl.buf = NULL;
spin_unlock_irqrestore(&dev->video_mode.slock, flags);
videobuf_vmalloc_free(&buf->vb);
buf->vb.state = VIDEOBUF_NEEDS_INIT;
}
static int
buffer_prepare(struct videobuf_queue *vq, struct videobuf_buffer *vb,
enum v4l2_field field)
{
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx *dev = fh->dev;
int rc = 0, urb_init = 0;
/* The only currently supported format is 16 bits/pixel */
buf->vb.size = (fh->dev->width * fh->dev->height * dev->format->depth
+ 7) >> 3;
if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)
return -EINVAL;
buf->vb.width = dev->width;
buf->vb.height = dev->height;
buf->vb.field = field;
if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {
rc = videobuf_iolock(vq, &buf->vb, NULL);
if (rc < 0)
goto fail;
}
if (!dev->video_mode.isoc_ctl.num_bufs)
urb_init = 1;
if (urb_init) {
rc = cx231xx_init_isoc(dev, CX231XX_NUM_PACKETS,
CX231XX_NUM_BUFS,
dev->video_mode.max_pkt_size,
cx231xx_isoc_copy);
if (rc < 0)
goto fail;
}
buf->vb.state = VIDEOBUF_PREPARED;
return 0;
fail:
free_buffer(vq, buf);
return rc;
}
static void buffer_queue(struct videobuf_queue *vq, struct videobuf_buffer *vb)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = fh->dev;
struct cx231xx_dmaqueue *vidq = &dev->video_mode.vidq;
buf->vb.state = VIDEOBUF_QUEUED;
list_add_tail(&buf->vb.queue, &vidq->active);
}
static void buffer_release(struct videobuf_queue *vq,
struct videobuf_buffer *vb)
{
struct cx231xx_buffer *buf =
container_of(vb, struct cx231xx_buffer, vb);
struct cx231xx_fh *fh = vq->priv_data;
struct cx231xx *dev = (struct cx231xx *)fh->dev;
cx231xx_isocdbg("cx231xx: called buffer_release\n");
free_buffer(vq, buf);
}
static struct videobuf_queue_ops cx231xx_video_qops = {
.buf_setup = buffer_setup,
.buf_prepare = buffer_prepare,
.buf_queue = buffer_queue,
.buf_release = buffer_release,
};
/********************* v4l2 interface **************************************/
void video_mux(struct cx231xx *dev, int index)
{
dev->video_input = index;
dev->ctl_ainput = INPUT(index)->amux;
cx231xx_set_video_input_mux(dev, index);
cx25840_call(dev, video, s_routing, INPUT(index)->vmux, 0, 0);
cx231xx_set_audio_input(dev, dev->ctl_ainput);
cx231xx_info("video_mux : %d\n", index);
/* do mode control overrides if required */
cx231xx_do_mode_ctrl_overrides(dev);
}
/* Usage lock check functions */
static int res_get(struct cx231xx_fh *fh)
{
struct cx231xx *dev = fh->dev;
int rc = 0;
/* This instance already has stream_on */
if (fh->stream_on)
return rc;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) {
if (dev->stream_on)
return -EBUSY;
dev->stream_on = 1;
} else if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
if (dev->vbi_stream_on)
return -EBUSY;
dev->vbi_stream_on = 1;
} else
return -EINVAL;
fh->stream_on = 1;
return rc;
}
static int res_check(struct cx231xx_fh *fh)
{
return fh->stream_on;
}
static void res_free(struct cx231xx_fh *fh)
{
struct cx231xx *dev = fh->dev;
fh->stream_on = 0;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
dev->stream_on = 0;
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)
dev->vbi_stream_on = 0;
}
static int check_dev(struct cx231xx *dev)
{
if (dev->state & DEV_DISCONNECTED) {
cx231xx_errdev("v4l2 ioctl: device not present\n");
return -ENODEV;
}
if (dev->state & DEV_MISCONFIGURED) {
cx231xx_errdev("v4l2 ioctl: device is misconfigured; "
"close and open it again\n");
return -EIO;
}
return 0;
}
static void get_scale(struct cx231xx *dev,
unsigned int width, unsigned int height,
unsigned int *hscale, unsigned int *vscale)
{
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
*hscale = (((unsigned long)maxw) << 12) / width - 4096L;
if (*hscale >= 0x4000)
*hscale = 0x3fff;
*vscale = (((unsigned long)maxh) << 12) / height - 4096L;
if (*vscale >= 0x4000)
*vscale = 0x3fff;
}
/* ------------------------------------------------------------------
IOCTL vidioc handling
------------------------------------------------------------------*/
static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
mutex_lock(&dev->lock);
f->fmt.pix.width = dev->width;
f->fmt.pix.height = dev->height;
f->fmt.pix.pixelformat = dev->format->fourcc;
f->fmt.pix.bytesperline = (dev->width * dev->format->depth + 7) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * dev->height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
mutex_unlock(&dev->lock);
return 0;
}
static struct cx231xx_fmt *format_by_fourcc(unsigned int fourcc)
{
unsigned int i;
for (i = 0; i < ARRAY_SIZE(format); i++)
if (format[i].fourcc == fourcc)
return &format[i];
return NULL;
}
static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
unsigned int width = f->fmt.pix.width;
unsigned int height = f->fmt.pix.height;
unsigned int maxw = norm_maxw(dev);
unsigned int maxh = norm_maxh(dev);
unsigned int hscale, vscale;
struct cx231xx_fmt *fmt;
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
if (!fmt) {
cx231xx_videodbg("Fourcc format (%08x) invalid.\n",
f->fmt.pix.pixelformat);
return -EINVAL;
}
/* width must even because of the YUYV format
height must be even because of interlacing */
v4l_bound_align_image(&width, 48, maxw, 1, &height, 32, maxh, 1, 0);
get_scale(dev, width, height, &hscale, &vscale);
width = (((unsigned long)maxw) << 12) / (hscale + 4096L);
height = (((unsigned long)maxh) << 12) / (vscale + 4096L);
f->fmt.pix.width = width;
f->fmt.pix.height = height;
f->fmt.pix.pixelformat = fmt->fourcc;
f->fmt.pix.bytesperline = (dev->width * fmt->depth + 7) >> 3;
f->fmt.pix.sizeimage = f->fmt.pix.bytesperline * height;
f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
f->fmt.pix.field = V4L2_FIELD_INTERLACED;
return 0;
}
static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
struct cx231xx_fmt *fmt;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
vidioc_try_fmt_vid_cap(file, priv, f);
fmt = format_by_fourcc(f->fmt.pix.pixelformat);
if (!fmt) {
rc = -EINVAL;
goto out;
}
if (videobuf_queue_is_busy(&fh->vb_vidq)) {
cx231xx_errdev("%s queue busy\n", __func__);
rc = -EBUSY;
goto out;
}
if (dev->stream_on && !fh->stream_on) {
cx231xx_errdev("%s device in use by another fh\n", __func__);
rc = -EBUSY;
goto out;
}
/* set new image size */
dev->width = f->fmt.pix.width;
dev->height = f->fmt.pix.height;
dev->format = fmt;
get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
call_all(dev, video, s_fmt, f);
/* Set the correct alternate setting for this resolution */
cx231xx_resolution_set(dev);
out:
mutex_unlock(&dev->lock);
return rc;
}
static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id * id)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
*id = dev->norm;
return 0;
}
static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id *norm)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
struct v4l2_format f;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
cx231xx_info("vidioc_s_std : 0x%x\n", (unsigned int)*norm);
mutex_lock(&dev->lock);
dev->norm = *norm;
/* Adjusts width/height, if needed */
f.fmt.pix.width = dev->width;
f.fmt.pix.height = dev->height;
vidioc_try_fmt_vid_cap(file, priv, &f);
/* set new image size */
dev->width = f.fmt.pix.width;
dev->height = f.fmt.pix.height;
get_scale(dev, dev->width, dev->height, &dev->hscale, &dev->vscale);
call_all(dev, core, s_std, dev->norm);
mutex_unlock(&dev->lock);
cx231xx_resolution_set(dev);
/* do mode control overrides */
cx231xx_do_mode_ctrl_overrides(dev);
return 0;
}
static const char *iname[] = {
[CX231XX_VMUX_COMPOSITE1] = "Composite1",
[CX231XX_VMUX_SVIDEO] = "S-Video",
[CX231XX_VMUX_TELEVISION] = "Television",
[CX231XX_VMUX_CABLE] = "Cable TV",
[CX231XX_VMUX_DVB] = "DVB",
[CX231XX_VMUX_DEBUG] = "for debug only",
};
static int vidioc_enum_input(struct file *file, void *priv,
struct v4l2_input *i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
unsigned int n;
n = i->index;
if (n >= MAX_CX231XX_INPUT)
return -EINVAL;
if (0 == INPUT(n)->type)
return -EINVAL;
i->index = n;
i->type = V4L2_INPUT_TYPE_CAMERA;
strcpy(i->name, iname[INPUT(n)->type]);
if ((CX231XX_VMUX_TELEVISION == INPUT(n)->type) ||
(CX231XX_VMUX_CABLE == INPUT(n)->type))
i->type = V4L2_INPUT_TYPE_TUNER;
i->std = dev->vdev->tvnorms;
return 0;
}
static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
*i = dev->video_input;
return 0;
}
static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (i >= MAX_CX231XX_INPUT)
return -EINVAL;
if (0 == INPUT(i)->type)
return -EINVAL;
mutex_lock(&dev->lock);
video_mux(dev, i);
mutex_unlock(&dev->lock);
return 0;
}
static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
switch (a->index) {
case CX231XX_AMUX_VIDEO:
strcpy(a->name, "Television");
break;
case CX231XX_AMUX_LINE_IN:
strcpy(a->name, "Line In");
break;
default:
return -EINVAL;
}
a->index = dev->ctl_ainput;
a->capability = V4L2_AUDCAP_STEREO;
return 0;
}
static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int status = 0;
/* Doesn't allow manual routing */
if (a->index != dev->ctl_ainput)
return -EINVAL;
dev->ctl_ainput = INPUT(a->index)->amux;
status = cx231xx_set_audio_input(dev, dev->ctl_ainput);
return status;
}
static int vidioc_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *qc)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int id = qc->id;
int i;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
qc->id = v4l2_ctrl_next(ctrl_classes, qc->id);
if (unlikely(qc->id == 0))
return -EINVAL;
memset(qc, 0, sizeof(*qc));
qc->id = id;
if (qc->id < V4L2_CID_BASE || qc->id >= V4L2_CID_LASTP1)
return -EINVAL;
for (i = 0; i < CX231XX_CTLS; i++)
if (cx231xx_ctls[i].v.id == qc->id)
break;
if (i == CX231XX_CTLS) {
*qc = no_ctl;
return 0;
}
*qc = cx231xx_ctls[i].v;
mutex_lock(&dev->lock);
call_all(dev, core, queryctrl, qc);
mutex_unlock(&dev->lock);
if (qc->type)
return 0;
else
return -EINVAL;
}
static int vidioc_g_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
call_all(dev, core, g_ctrl, ctrl);
mutex_unlock(&dev->lock);
return rc;
}
static int vidioc_s_ctrl(struct file *file, void *priv,
struct v4l2_control *ctrl)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
call_all(dev, core, s_ctrl, ctrl);
mutex_unlock(&dev->lock);
return rc;
}
static int vidioc_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (0 != t->index)
return -EINVAL;
strcpy(t->name, "Tuner");
t->type = V4L2_TUNER_ANALOG_TV;
t->capability = V4L2_TUNER_CAP_NORM;
t->rangehigh = 0xffffffffUL;
t->signal = 0xffff; /* LOCKED */
return 0;
}
static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (0 != t->index)
return -EINVAL;
#if 0
mutex_lock(&dev->lock);
call_all(dev, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
#endif
return 0;
}
static int vidioc_g_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
mutex_lock(&dev->lock);
f->type = fh->radio ? V4L2_TUNER_RADIO : V4L2_TUNER_ANALOG_TV;
f->frequency = dev->ctl_freq;
call_all(dev, tuner, g_frequency, f);
mutex_unlock(&dev->lock);
return 0;
}
static int vidioc_s_frequency(struct file *file, void *priv,
struct v4l2_frequency *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if (0 != f->tuner)
return -EINVAL;
if (unlikely(0 == fh->radio && f->type != V4L2_TUNER_ANALOG_TV))
return -EINVAL;
if (unlikely(1 == fh->radio && f->type != V4L2_TUNER_RADIO))
return -EINVAL;
/* set pre channel change settings in DIF first */
rc = cx231xx_tuner_pre_channel_change(dev);
mutex_lock(&dev->lock);
dev->ctl_freq = f->frequency;
if (dev->tuner_type == TUNER_XC5000) {
if (dev->cx231xx_set_analog_freq != NULL)
dev->cx231xx_set_analog_freq(dev, f->frequency);
} else
call_all(dev, tuner, s_frequency, f);
mutex_unlock(&dev->lock);
/* set post channel change settings in DIF first */
rc = cx231xx_tuner_post_channel_change(dev);
cx231xx_info("Set New FREQUENCY to %d\n", f->frequency);
return rc;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
/*
-R, --list-registers=type=<host/i2cdrv/i2caddr>,
chip=<chip>[,min=<addr>,max=<addr>]
dump registers from <min> to <max> [VIDIOC_DBG_G_REGISTER]
-r, --set-register=type=<host/i2cdrv/i2caddr>,
chip=<chip>,reg=<addr>,val=<val>
set the register [VIDIOC_DBG_S_REGISTER]
if type == host, then <chip> is the hosts chip ID (default 0)
if type == i2cdrv (default), then <chip> is the I2C driver name or ID
if type == i2caddr, then <chip> is the 7-bit I2C address
*/
static int vidioc_g_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int ret = 0;
u8 value[4] = { 0, 0, 0, 0 };
u32 data = 0;
switch (reg->match.type) {
case V4L2_CHIP_MATCH_HOST:
switch (reg->match.addr) {
case 0: /* Cx231xx - internal registers */
ret = cx231xx_read_ctrl_reg(dev, VRT_GET_REGISTER,
(u16)reg->reg, value, 4);
reg->val = value[0] | value[1] << 8 |
value[2] << 16 | value[3] << 24;
break;
case 1: /* AFE - read byte */
ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
(u16)reg->reg, 2, &data, 1);
reg->val = le32_to_cpu(data & 0xff);
break;
case 14: /* AFE - read dword */
ret = cx231xx_read_i2c_data(dev, AFE_DEVICE_ADDRESS,
(u16)reg->reg, 2, &data, 4);
reg->val = le32_to_cpu(data);
break;
case 2: /* Video Block - read byte */
ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
(u16)reg->reg, 2, &data, 1);
reg->val = le32_to_cpu(data & 0xff);
break;
case 24: /* Video Block - read dword */
ret = cx231xx_read_i2c_data(dev, VID_BLK_I2C_ADDRESS,
(u16)reg->reg, 2, &data, 4);
reg->val = le32_to_cpu(data);
break;
case 3: /* I2S block - read byte */
ret = cx231xx_read_i2c_data(dev,
I2S_BLK_DEVICE_ADDRESS,
(u16)reg->reg, 1,
&data, 1);
reg->val = le32_to_cpu(data & 0xff);
break;
case 34: /* I2S Block - read dword */
ret =
cx231xx_read_i2c_data(dev, I2S_BLK_DEVICE_ADDRESS,
(u16)reg->reg, 1, &data, 4);
reg->val = le32_to_cpu(data);
break;
}
return ret < 0 ? ret : 0;
case V4L2_CHIP_MATCH_I2C_DRIVER:
call_all(dev, core, g_register, reg);
return 0;
case V4L2_CHIP_MATCH_I2C_ADDR:
/* Not supported yet */
return -EINVAL;
default:
if (!v4l2_chip_match_host(&reg->match))
return -EINVAL;
}
mutex_lock(&dev->lock);
call_all(dev, core, g_register, reg);
mutex_unlock(&dev->lock);
return ret;
}
static int vidioc_s_register(struct file *file, void *priv,
struct v4l2_dbg_register *reg)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int ret = 0;
__le64 buf;
u32 value;
u8 data[4] = { 0, 0, 0, 0 };
buf = cpu_to_le64(reg->val);
switch (reg->match.type) {
case V4L2_CHIP_MATCH_HOST:
{
value = (u32) buf & 0xffffffff;
switch (reg->match.addr) {
case 0: /* cx231xx internal registers */
data[0] = (u8) value;
data[1] = (u8) (value >> 8);
data[2] = (u8) (value >> 16);
data[3] = (u8) (value >> 24);
ret = cx231xx_write_ctrl_reg(dev,
VRT_SET_REGISTER,
(u16)reg->reg, data,
4);
break;
case 1: /* AFE - read byte */
ret = cx231xx_write_i2c_data(dev,
AFE_DEVICE_ADDRESS,
(u16)reg->reg, 2,
value, 1);
break;
case 14: /* AFE - read dword */
ret = cx231xx_write_i2c_data(dev,
AFE_DEVICE_ADDRESS,
(u16)reg->reg, 2,
value, 4);
break;
case 2: /* Video Block - read byte */
ret =
cx231xx_write_i2c_data(dev,
VID_BLK_I2C_ADDRESS,
(u16)reg->reg, 2,
value, 1);
break;
case 24: /* Video Block - read dword */
ret =
cx231xx_write_i2c_data(dev,
VID_BLK_I2C_ADDRESS,
(u16)reg->reg, 2,
value, 4);
break;
case 3: /* I2S block - read byte */
ret =
cx231xx_write_i2c_data(dev,
I2S_BLK_DEVICE_ADDRESS,
(u16)reg->reg, 1,
value, 1);
break;
case 34: /* I2S block - read dword */
ret =
cx231xx_write_i2c_data(dev,
I2S_BLK_DEVICE_ADDRESS,
(u16)reg->reg, 1,
value, 4);
break;
}
}
return ret < 0 ? ret : 0;
default:
break;
}
mutex_lock(&dev->lock);
call_all(dev, core, s_register, reg);
mutex_unlock(&dev->lock);
return ret;
}
#endif
static int vidioc_cropcap(struct file *file, void *priv,
struct v4l2_cropcap *cc)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
if (cc->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
cc->bounds.left = 0;
cc->bounds.top = 0;
cc->bounds.width = dev->width;
cc->bounds.height = dev->height;
cc->defrect = cc->bounds;
cc->pixelaspect.numerator = 54; /* 4:3 FIXME: remove magic numbers */
cc->pixelaspect.denominator = 59;
return 0;
}
static int vidioc_streamon(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
rc = res_get(fh);
if (likely(rc >= 0))
rc = videobuf_streamon(&fh->vb_vidq);
call_all(dev, video, s_stream, 1);
mutex_unlock(&dev->lock);
return rc;
}
static int vidioc_streamoff(struct file *file, void *priv,
enum v4l2_buf_type type)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if ((fh->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) &&
(fh->type != V4L2_BUF_TYPE_VBI_CAPTURE))
return -EINVAL;
if (type != fh->type)
return -EINVAL;
mutex_lock(&dev->lock);
cx25840_call(dev, video, s_stream, 0);
videobuf_streamoff(&fh->vb_vidq);
res_free(fh);
mutex_unlock(&dev->lock);
return 0;
}
static int vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = CX231XX_VERSION_CODE;
cap->capabilities = V4L2_CAP_VBI_CAPTURE |
#if 0
V4L2_CAP_SLICED_VBI_CAPTURE |
#endif
V4L2_CAP_VIDEO_CAPTURE |
V4L2_CAP_AUDIO |
V4L2_CAP_READWRITE |
V4L2_CAP_STREAMING;
if (dev->tuner_type != TUNER_ABSENT)
cap->capabilities |= V4L2_CAP_TUNER;
return 0;
}
static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
struct v4l2_fmtdesc *f)
{
if (unlikely(f->index >= ARRAY_SIZE(format)))
return -EINVAL;
strlcpy(f->description, format[f->index].name, sizeof(f->description));
f->pixelformat = format[f->index].fourcc;
return 0;
}
/* Sliced VBI ioctls */
static int vidioc_g_fmt_sliced_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
f->fmt.sliced.service_set = 0;
call_all(dev, video, g_fmt, f);
if (f->fmt.sliced.service_set == 0)
rc = -EINVAL;
mutex_unlock(&dev->lock);
return rc;
}
static int vidioc_try_set_sliced_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
call_all(dev, video, g_fmt, f);
mutex_unlock(&dev->lock);
if (f->fmt.sliced.service_set == 0)
return -EINVAL;
return 0;
}
/* RAW VBI ioctls */
static int vidioc_g_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
35468950 : 28636363;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
f->fmt.vbi.offset = 64 * 4;
f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_LINES : NTSC_VBI_LINES;
f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
return 0;
}
static int vidioc_try_fmt_vbi_cap(struct file *file, void *priv,
struct v4l2_format *f)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
if (dev->vbi_stream_on && !fh->stream_on) {
cx231xx_errdev("%s device in use by another fh\n", __func__);
return -EBUSY;
}
f->type = V4L2_BUF_TYPE_VBI_CAPTURE;
f->fmt.vbi.sampling_rate = (dev->norm & V4L2_STD_625_50) ?
35468950 : 28636363;
f->fmt.vbi.samples_per_line = VBI_LINE_LENGTH;
f->fmt.vbi.sample_format = V4L2_PIX_FMT_GREY;
f->fmt.vbi.offset = 244;
f->fmt.vbi.flags = 0;
f->fmt.vbi.start[0] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_START_LINE : NTSC_VBI_START_LINE;
f->fmt.vbi.count[0] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_LINES : NTSC_VBI_LINES;
f->fmt.vbi.start[1] = (dev->norm & V4L2_STD_625_50) ?
PAL_VBI_START_LINE + 312 : NTSC_VBI_START_LINE + 263;
f->fmt.vbi.count[1] = f->fmt.vbi.count[0];
return 0;
}
static int vidioc_reqbufs(struct file *file, void *priv,
struct v4l2_requestbuffers *rb)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_reqbufs(&fh->vb_vidq, rb);
}
static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_querybuf(&fh->vb_vidq, b);
}
static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_qbuf(&fh->vb_vidq, b);
}
static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *b)
{
struct cx231xx_fh *fh = priv;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
return videobuf_dqbuf(&fh->vb_vidq, b, file->f_flags & O_NONBLOCK);
}
#ifdef CONFIG_VIDEO_V4L1_COMPAT
static int vidiocgmbuf(struct file *file, void *priv, struct video_mbuf *mbuf)
{
struct cx231xx_fh *fh = priv;
return videobuf_cgmbuf(&fh->vb_vidq, mbuf, 8);
}
#endif
/* ----------------------------------------------------------- */
/* RADIO ESPECIFIC IOCTLS */
/* ----------------------------------------------------------- */
static int radio_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
strlcpy(cap->driver, "cx231xx", sizeof(cap->driver));
strlcpy(cap->card, cx231xx_boards[dev->model].name, sizeof(cap->card));
usb_make_path(dev->udev, cap->bus_info, sizeof(cap->bus_info));
cap->version = CX231XX_VERSION_CODE;
cap->capabilities = V4L2_CAP_TUNER;
return 0;
}
static int radio_g_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
if (unlikely(t->index > 0))
return -EINVAL;
strcpy(t->name, "Radio");
t->type = V4L2_TUNER_RADIO;
mutex_lock(&dev->lock);
call_all(dev, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
return 0;
}
static int radio_enum_input(struct file *file, void *priv, struct v4l2_input *i)
{
if (i->index != 0)
return -EINVAL;
strcpy(i->name, "Radio");
i->type = V4L2_INPUT_TYPE_TUNER;
return 0;
}
static int radio_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
{
if (unlikely(a->index))
return -EINVAL;
strcpy(a->name, "Radio");
return 0;
}
static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
{
struct cx231xx *dev = ((struct cx231xx_fh *)priv)->dev;
if (0 != t->index)
return -EINVAL;
mutex_lock(&dev->lock);
call_all(dev, tuner, s_tuner, t);
mutex_unlock(&dev->lock);
return 0;
}
static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
{
return 0;
}
static int radio_s_input(struct file *file, void *fh, unsigned int i)
{
return 0;
}
static int radio_queryctrl(struct file *file, void *priv,
struct v4l2_queryctrl *c)
{
int i;
if (c->id < V4L2_CID_BASE || c->id >= V4L2_CID_LASTP1)
return -EINVAL;
if (c->id == V4L2_CID_AUDIO_MUTE) {
for (i = 0; i < CX231XX_CTLS; i++)
if (cx231xx_ctls[i].v.id == c->id)
break;
*c = cx231xx_ctls[i].v;
} else
*c = no_ctl;
return 0;
}
/*
* cx231xx_v4l2_open()
* inits the device and starts isoc transfer
*/
static int cx231xx_v4l2_open(struct file *filp)
{
int errCode = 0, radio = 0;
struct video_device *vdev = video_devdata(filp);
struct cx231xx *dev = video_drvdata(filp);
struct cx231xx_fh *fh;
enum v4l2_buf_type fh_type = 0;
switch (vdev->vfl_type) {
case VFL_TYPE_GRABBER:
fh_type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
break;
case VFL_TYPE_VBI:
fh_type = V4L2_BUF_TYPE_VBI_CAPTURE;
break;
case VFL_TYPE_RADIO:
radio = 1;
break;
}
mutex_lock(&dev->lock);
cx231xx_videodbg("open dev=%s type=%s users=%d\n",
video_device_node_name(vdev), v4l2_type_names[fh_type],
dev->users);
#if 0
errCode = cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
if (errCode < 0) {
cx231xx_errdev
("Device locked on digital mode. Can't open analog\n");
mutex_unlock(&dev->lock);
return -EBUSY;
}
#endif
fh = kzalloc(sizeof(struct cx231xx_fh), GFP_KERNEL);
if (!fh) {
cx231xx_errdev("cx231xx-video.c: Out of memory?!\n");
mutex_unlock(&dev->lock);
return -ENOMEM;
}
fh->dev = dev;
fh->radio = radio;
fh->type = fh_type;
filp->private_data = fh;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE && dev->users == 0) {
dev->width = norm_maxw(dev);
dev->height = norm_maxh(dev);
dev->hscale = 0;
dev->vscale = 0;
/* Power up in Analog TV mode */
cx231xx_set_power_mode(dev, POLARIS_AVMODE_ANALOGT_TV);
#if 0
cx231xx_set_mode(dev, CX231XX_ANALOG_MODE);
#endif
cx231xx_resolution_set(dev);
/* set video alternate setting */
cx231xx_set_video_alternate(dev);
/* Needed, since GPIO might have disabled power of
some i2c device */
cx231xx_config_i2c(dev);
/* device needs to be initialized before isoc transfer */
dev->video_input = dev->video_input > 2 ? 2 : dev->video_input;
video_mux(dev, dev->video_input);
}
if (fh->radio) {
cx231xx_videodbg("video_open: setting radio device\n");
/* cx231xx_start_radio(dev); */
call_all(dev, tuner, s_radio);
}
dev->users++;
if (fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE)
videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_video_qops,
NULL, &dev->video_mode.slock,
fh->type, V4L2_FIELD_INTERLACED,
sizeof(struct cx231xx_buffer), fh);
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
/* Set the required alternate setting VBI interface works in
Bulk mode only */
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
videobuf_queue_vmalloc_init(&fh->vb_vidq, &cx231xx_vbi_qops,
NULL, &dev->vbi_mode.slock,
fh->type, V4L2_FIELD_SEQ_TB,
sizeof(struct cx231xx_buffer), fh);
}
mutex_unlock(&dev->lock);
return errCode;
}
/*
* cx231xx_realease_resources()
* unregisters the v4l2,i2c and usb devices
* called when the device gets disconected or at module unload
*/
void cx231xx_release_analog_resources(struct cx231xx *dev)
{
/*FIXME: I2C IR should be disconnected */
if (dev->radio_dev) {
if (video_is_registered(dev->radio_dev))
video_unregister_device(dev->radio_dev);
else
video_device_release(dev->radio_dev);
dev->radio_dev = NULL;
}
if (dev->vbi_dev) {
cx231xx_info("V4L2 device %s deregistered\n",
video_device_node_name(dev->vbi_dev));
if (video_is_registered(dev->vbi_dev))
video_unregister_device(dev->vbi_dev);
else
video_device_release(dev->vbi_dev);
dev->vbi_dev = NULL;
}
if (dev->vdev) {
cx231xx_info("V4L2 device %s deregistered\n",
video_device_node_name(dev->vdev));
if (video_is_registered(dev->vdev))
video_unregister_device(dev->vdev);
else
video_device_release(dev->vdev);
dev->vdev = NULL;
}
}
/*
* cx231xx_v4l2_close()
* stops streaming and deallocates all resources allocated by the v4l2
* calls and ioctls
*/
static int cx231xx_v4l2_close(struct file *filp)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
cx231xx_videodbg("users=%d\n", dev->users);
mutex_lock(&dev->lock);
if (res_check(fh))
res_free(fh);
if (fh->type == V4L2_BUF_TYPE_VBI_CAPTURE) {
videobuf_stop(&fh->vb_vidq);
videobuf_mmap_free(&fh->vb_vidq);
/* the device is already disconnect,
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
cx231xx_release_resources(dev);
mutex_unlock(&dev->lock);
kfree(dev);
return 0;
}
/* do this before setting alternate! */
cx231xx_uninit_vbi_isoc(dev);
/* set alternate 0 */
if (!dev->vbi_or_sliced_cc_mode)
cx231xx_set_alt_setting(dev, INDEX_VANC, 0);
else
cx231xx_set_alt_setting(dev, INDEX_HANC, 0);
kfree(fh);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
mutex_unlock(&dev->lock);
return 0;
}
if (dev->users == 1) {
videobuf_stop(&fh->vb_vidq);
videobuf_mmap_free(&fh->vb_vidq);
/* the device is already disconnect,
free the remaining resources */
if (dev->state & DEV_DISCONNECTED) {
cx231xx_release_resources(dev);
mutex_unlock(&dev->lock);
kfree(dev);
return 0;
}
/* Save some power by putting tuner to sleep */
call_all(dev, core, s_power, 0);
/* do this before setting alternate! */
cx231xx_uninit_isoc(dev);
cx231xx_set_mode(dev, CX231XX_SUSPEND);
/* set alternate 0 */
cx231xx_set_alt_setting(dev, INDEX_VIDEO, 0);
}
kfree(fh);
dev->users--;
wake_up_interruptible_nr(&dev->open, 1);
mutex_unlock(&dev->lock);
return 0;
}
/*
* cx231xx_v4l2_read()
* will allocate buffers when called for the first time
*/
static ssize_t
cx231xx_v4l2_read(struct file *filp, char __user *buf, size_t count,
loff_t *pos)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
if ((fh->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) ||
(fh->type == V4L2_BUF_TYPE_VBI_CAPTURE)) {
mutex_lock(&dev->lock);
rc = res_get(fh);
mutex_unlock(&dev->lock);
if (unlikely(rc < 0))
return rc;
return videobuf_read_stream(&fh->vb_vidq, buf, count, pos, 0,
filp->f_flags & O_NONBLOCK);
}
return 0;
}
/*
* cx231xx_v4l2_poll()
* will allocate buffers when called for the first time
*/
static unsigned int cx231xx_v4l2_poll(struct file *filp, poll_table * wait)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
rc = res_get(fh);
mutex_unlock(&dev->lock);
if (unlikely(rc < 0))
return POLLERR;
if ((V4L2_BUF_TYPE_VIDEO_CAPTURE == fh->type) ||
(V4L2_BUF_TYPE_VBI_CAPTURE == fh->type))
return videobuf_poll_stream(filp, &fh->vb_vidq, wait);
else
return POLLERR;
}
/*
* cx231xx_v4l2_mmap()
*/
static int cx231xx_v4l2_mmap(struct file *filp, struct vm_area_struct *vma)
{
struct cx231xx_fh *fh = filp->private_data;
struct cx231xx *dev = fh->dev;
int rc;
rc = check_dev(dev);
if (rc < 0)
return rc;
mutex_lock(&dev->lock);
rc = res_get(fh);
mutex_unlock(&dev->lock);
if (unlikely(rc < 0))
return rc;
rc = videobuf_mmap_mapper(&fh->vb_vidq, vma);
cx231xx_videodbg("vma start=0x%08lx, size=%ld, ret=%d\n",
(unsigned long)vma->vm_start,
(unsigned long)vma->vm_end -
(unsigned long)vma->vm_start, rc);
return rc;
}
static const struct v4l2_file_operations cx231xx_v4l_fops = {
.owner = THIS_MODULE,
.open = cx231xx_v4l2_open,
.release = cx231xx_v4l2_close,
.read = cx231xx_v4l2_read,
.poll = cx231xx_v4l2_poll,
.mmap = cx231xx_v4l2_mmap,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops video_ioctl_ops = {
.vidioc_querycap = vidioc_querycap,
.vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
.vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
.vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
.vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
.vidioc_g_fmt_vbi_cap = vidioc_g_fmt_vbi_cap,
.vidioc_try_fmt_vbi_cap = vidioc_try_fmt_vbi_cap,
.vidioc_s_fmt_vbi_cap = vidioc_try_fmt_vbi_cap,
.vidioc_g_audio = vidioc_g_audio,
.vidioc_s_audio = vidioc_s_audio,
.vidioc_cropcap = vidioc_cropcap,
.vidioc_g_fmt_sliced_vbi_cap = vidioc_g_fmt_sliced_vbi_cap,
.vidioc_try_fmt_sliced_vbi_cap = vidioc_try_set_sliced_vbi_cap,
.vidioc_reqbufs = vidioc_reqbufs,
.vidioc_querybuf = vidioc_querybuf,
.vidioc_qbuf = vidioc_qbuf,
.vidioc_dqbuf = vidioc_dqbuf,
.vidioc_s_std = vidioc_s_std,
.vidioc_g_std = vidioc_g_std,
.vidioc_enum_input = vidioc_enum_input,
.vidioc_g_input = vidioc_g_input,
.vidioc_s_input = vidioc_s_input,
.vidioc_queryctrl = vidioc_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_streamon = vidioc_streamon,
.vidioc_streamoff = vidioc_streamoff,
.vidioc_g_tuner = vidioc_g_tuner,
.vidioc_s_tuner = vidioc_s_tuner,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
#ifdef CONFIG_VIDEO_V4L1_COMPAT
.vidiocgmbuf = vidiocgmbuf,
#endif
};
static struct video_device cx231xx_vbi_template;
static const struct video_device cx231xx_video_template = {
.fops = &cx231xx_v4l_fops,
.release = video_device_release,
.ioctl_ops = &video_ioctl_ops,
.tvnorms = V4L2_STD_ALL,
.current_norm = V4L2_STD_PAL,
};
static const struct v4l2_file_operations radio_fops = {
.owner = THIS_MODULE,
.open = cx231xx_v4l2_open,
.release = cx231xx_v4l2_close,
.ioctl = video_ioctl2,
};
static const struct v4l2_ioctl_ops radio_ioctl_ops = {
.vidioc_querycap = radio_querycap,
.vidioc_g_tuner = radio_g_tuner,
.vidioc_enum_input = radio_enum_input,
.vidioc_g_audio = radio_g_audio,
.vidioc_s_tuner = radio_s_tuner,
.vidioc_s_audio = radio_s_audio,
.vidioc_s_input = radio_s_input,
.vidioc_queryctrl = radio_queryctrl,
.vidioc_g_ctrl = vidioc_g_ctrl,
.vidioc_s_ctrl = vidioc_s_ctrl,
.vidioc_g_frequency = vidioc_g_frequency,
.vidioc_s_frequency = vidioc_s_frequency,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = vidioc_g_register,
.vidioc_s_register = vidioc_s_register,
#endif
};
static struct video_device cx231xx_radio_template = {
.name = "cx231xx-radio",
.fops = &radio_fops,
.ioctl_ops = &radio_ioctl_ops,
};
/******************************** usb interface ******************************/
static struct video_device *cx231xx_vdev_init(struct cx231xx *dev,
const struct video_device
*template, const char *type_name)
{
struct video_device *vfd;
vfd = video_device_alloc();
if (NULL == vfd)
return NULL;
*vfd = *template;
vfd->v4l2_dev = &dev->v4l2_dev;
vfd->release = video_device_release;
vfd->debug = video_debug;
snprintf(vfd->name, sizeof(vfd->name), "%s %s", dev->name, type_name);
video_set_drvdata(vfd, dev);
return vfd;
}
int cx231xx_register_analog_devices(struct cx231xx *dev)
{
int ret;
cx231xx_info("%s: v4l2 driver version %d.%d.%d\n",
dev->name,
(CX231XX_VERSION_CODE >> 16) & 0xff,
(CX231XX_VERSION_CODE >> 8) & 0xff,
CX231XX_VERSION_CODE & 0xff);
/* set default norm */
/*dev->norm = cx231xx_video_template.current_norm; */
dev->width = norm_maxw(dev);
dev->height = norm_maxh(dev);
dev->interlaced = 0;
dev->hscale = 0;
dev->vscale = 0;
/* Analog specific initialization */
dev->format = &format[0];
/* video_mux(dev, dev->video_input); */
/* Audio defaults */
dev->mute = 1;
dev->volume = 0x1f;
/* enable vbi capturing */
/* write code here... */
/* allocate and fill video video_device struct */
dev->vdev = cx231xx_vdev_init(dev, &cx231xx_video_template, "video");
if (!dev->vdev) {
cx231xx_errdev("cannot allocate video_device.\n");
return -ENODEV;
}
/* register v4l2 video video_device */
ret = video_register_device(dev->vdev, VFL_TYPE_GRABBER,
video_nr[dev->devno]);
if (ret) {
cx231xx_errdev("unable to register video device (error=%i).\n",
ret);
return ret;
}
cx231xx_info("%s/0: registered device %s [v4l2]\n",
dev->name, video_device_node_name(dev->vdev));
/* Initialize VBI template */
memcpy(&cx231xx_vbi_template, &cx231xx_video_template,
sizeof(cx231xx_vbi_template));
strcpy(cx231xx_vbi_template.name, "cx231xx-vbi");
/* Allocate and fill vbi video_device struct */
dev->vbi_dev = cx231xx_vdev_init(dev, &cx231xx_vbi_template, "vbi");
/* register v4l2 vbi video_device */
ret = video_register_device(dev->vbi_dev, VFL_TYPE_VBI,
vbi_nr[dev->devno]);
if (ret < 0) {
cx231xx_errdev("unable to register vbi device\n");
return ret;
}
cx231xx_info("%s/0: registered device %s\n",
dev->name, video_device_node_name(dev->vbi_dev));
if (cx231xx_boards[dev->model].radio.type == CX231XX_RADIO) {
dev->radio_dev = cx231xx_vdev_init(dev, &cx231xx_radio_template,
"radio");
if (!dev->radio_dev) {
cx231xx_errdev("cannot allocate video_device.\n");
return -ENODEV;
}
ret = video_register_device(dev->radio_dev, VFL_TYPE_RADIO,
radio_nr[dev->devno]);
if (ret < 0) {
cx231xx_errdev("can't register radio device\n");
return ret;
}
cx231xx_info("Registered radio device as %s\n",
video_device_node_name(dev->radio_dev));
}
cx231xx_info("V4L2 device registered as %s and %s\n",
video_device_node_name(dev->vdev),
video_device_node_name(dev->vbi_dev));
return 0;
}
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