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[media] cx18: remove g_chip_ident support 

The av-core is really a subdev, so there is no need anymore to act as if it
is a 'second' bridge chip.
As a result of this the g_chip_ident implementation can be completely dropped.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil 2013-05-29 06:59:36 -03:00 committed by Mauro Carvalho Chehab
parent abca2056dc
commit 076c3454d6
3 changed files with 7 additions and 104 deletions
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32
drivers/media/pci/cx18/cx18-av-core.c
View File

@ -22,7 +22,6 @@
* 02110-1301, USA.
*/
#include <media/v4l2-chip-ident.h>
#include "cx18-driver.h"
#include "cx18-io.h"
#include "cx18-cards.h"
@ -1231,31 +1230,12 @@ static int cx18_av_log_status(struct v4l2_subdev *sd)
return 0;
}
static inline int cx18_av_dbg_match(const struct v4l2_dbg_match *match)
{
return match->type == V4L2_CHIP_MATCH_HOST && match->addr == 1;
}
static int cx18_av_g_chip_ident(struct v4l2_subdev *sd,
struct v4l2_dbg_chip_ident *chip)
{
struct cx18_av_state *state = to_cx18_av_state(sd);
if (cx18_av_dbg_match(&chip->match)) {
chip->ident = state->id;
chip->revision = state->rev;
}
return 0;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cx18_av_g_register(struct v4l2_subdev *sd,
struct v4l2_dbg_register *reg)
{
struct cx18 *cx = v4l2_get_subdevdata(sd);
if (!cx18_av_dbg_match(&reg->match))
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
reg->size = 4;
@ -1268,8 +1248,6 @@ static int cx18_av_s_register(struct v4l2_subdev *sd,
{
struct cx18 *cx = v4l2_get_subdevdata(sd);
if (!cx18_av_dbg_match(&reg->match))
return -EINVAL;
if ((reg->reg & 0x3) != 0)
return -EINVAL;
cx18_av_write4(cx, reg->reg & 0x00000ffc, reg->val);
@ -1282,17 +1260,9 @@ static const struct v4l2_ctrl_ops cx18_av_ctrl_ops = {
};
static const struct v4l2_subdev_core_ops cx18_av_general_ops = {
.g_chip_ident = cx18_av_g_chip_ident,
.log_status = cx18_av_log_status,
.load_fw = cx18_av_load_fw,
.reset = cx18_av_reset,
.g_ctrl = v4l2_subdev_g_ctrl,
.s_ctrl = v4l2_subdev_s_ctrl,
.s_ext_ctrls = v4l2_subdev_s_ext_ctrls,
.try_ext_ctrls = v4l2_subdev_try_ext_ctrls,
.g_ext_ctrls = v4l2_subdev_g_ext_ctrls,
.queryctrl = v4l2_subdev_queryctrl,
.querymenu = v4l2_subdev_querymenu,
.s_std = cx18_av_s_std,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.g_register = cx18_av_g_register,
@ -1340,8 +1310,6 @@ int cx18_av_probe(struct cx18 *cx)
int err;
state->rev = cx18_av_read4(cx, CXADEC_CHIP_CTRL) & 0xffff;
state->id = ((state->rev >> 4) == CXADEC_CHIP_TYPE_MAKO)
? V4L2_IDENT_CX23418_843 : V4L2_IDENT_UNKNOWN;
state->vid_input = CX18_AV_COMPOSITE7;
state->aud_input = CX18_AV_AUDIO8;

1
drivers/media/pci/cx18/cx18-av-core.h
View File

@ -104,7 +104,6 @@ struct cx18_av_state {
enum cx18_av_audio_input aud_input;
u32 audclk_freq;
int audmode;
u32 id;
u32 rev;
int is_initialized;

78
drivers/media/pci/cx18/cx18-ioctl.c
View File

@ -39,7 +39,6 @@
#include "cx18-cards.h"
#include "cx18-av-core.h"
#include <media/tveeprom.h>
#include <media/v4l2-chip-ident.h>
u16 cx18_service2vbi(int type)
{
@ -362,73 +361,16 @@ static int cx18_s_fmt_sliced_vbi_cap(struct file *file, void *fh,
return 0;
}
static int cx18_g_chip_ident(struct file *file, void *fh,
struct v4l2_dbg_chip_ident *chip)
{
struct cx18 *cx = fh2id(fh)->cx;
int err = 0;
chip->ident = V4L2_IDENT_NONE;
chip->revision = 0;
switch (chip->match.type) {
case V4L2_CHIP_MATCH_HOST:
switch (chip->match.addr) {
case 0:
chip->ident = V4L2_IDENT_CX23418;
chip->revision = cx18_read_reg(cx, 0xC72028);
break;
case 1:
/*
* The A/V decoder is always present, but in the rare
* case that the card doesn't have analog, we don't
* use it. We find it w/o using the cx->sd_av pointer
*/
cx18_call_hw(cx, CX18_HW_418_AV,
core, g_chip_ident, chip);
break;
default:
/*
* Could return ident = V4L2_IDENT_UNKNOWN if we had
* other host chips at higher addresses, but we don't
*/
err = -EINVAL; /* per V4L2 spec */
break;
}
break;
case V4L2_CHIP_MATCH_I2C_DRIVER:
/* If needed, returns V4L2_IDENT_AMBIGUOUS without extra work */
cx18_call_all(cx, core, g_chip_ident, chip);
break;
case V4L2_CHIP_MATCH_I2C_ADDR:
/*
* We could return V4L2_IDENT_UNKNOWN, but we don't do the work
* to look if a chip is at the address with no driver. That's a
* dangerous thing to do with EEPROMs anyway.
*/
cx18_call_all(cx, core, g_chip_ident, chip);
break;
default:
err = -EINVAL;
break;
}
return err;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
static int cx18_g_register(struct file *file, void *fh,
struct v4l2_dbg_register *reg)
{
struct cx18 *cx = fh2id(fh)->cx;
if (v4l2_chip_match_host(&reg->match)) {
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
reg->size = 4;
reg->val = cx18_read_enc(cx, reg->reg);
return 0;
}
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, g_register, reg);
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
reg->size = 4;
reg->val = cx18_read_enc(cx, reg->reg);
return 0;
}
@ -437,14 +379,9 @@ static int cx18_s_register(struct file *file, void *fh,
{
struct cx18 *cx = fh2id(fh)->cx;
if (v4l2_chip_match_host(&reg->match)) {
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
cx18_write_enc(cx, reg->val, reg->reg);
return 0;
}
/* FIXME - errors shouldn't be ignored */
cx18_call_all(cx, core, s_register, reg);
if (reg->reg >= CX18_MEM_OFFSET + CX18_MEM_SIZE)
return -EINVAL;
cx18_write_enc(cx, reg->val, reg->reg);
return 0;
}
#endif
@ -1162,7 +1099,6 @@ static const struct v4l2_ioctl_ops cx18_ioctl_ops = {
.vidioc_try_fmt_vbi_cap = cx18_try_fmt_vbi_cap,
.vidioc_try_fmt_sliced_vbi_cap = cx18_try_fmt_sliced_vbi_cap,
.vidioc_g_sliced_vbi_cap = cx18_g_sliced_vbi_cap,
.vidioc_g_chip_ident = cx18_g_chip_ident,
#ifdef CONFIG_VIDEO_ADV_DEBUG
.vidioc_g_register = cx18_g_register,
.vidioc_s_register = cx18_s_register,