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authorHans Verkuil <hverkuil@xs4all.nl>2009-02-27 09:05:10 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2009-03-30 12:43:10 -0300
commitcf4e9484f402c799fa25c9ffb7e9a3b620a3702d (patch)
tree5f7839009c8a66f4c1b5eaaf2c3c7365b515564d /drivers/media/video/saa7191.c
parentbabb7dc7776dd6ded4e1e6cb7acc34c25c0eb521 (diff)
downloadblackbird-op-linux-cf4e9484f402c799fa25c9ffb7e9a3b620a3702d.tar.gz
blackbird-op-linux-cf4e9484f402c799fa25c9ffb7e9a3b620a3702d.zip
V4L/DVB (10861): vino/indycam/saa7191: convert to i2c modules to V4L2.
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/saa7191.c')
-rw-r--r--drivers/media/video/saa7191.c228
1 files changed, 57 insertions, 171 deletions
diff --git a/drivers/media/video/saa7191.c b/drivers/media/video/saa7191.c
index 9943e5c35e15..4c7bddf4b7ee 100644
--- a/drivers/media/video/saa7191.c
+++ b/drivers/media/video/saa7191.c
@@ -19,8 +19,7 @@
#include <linux/mm.h>
#include <linux/slab.h>
-#include <linux/videodev.h>
-#include <linux/video_decoder.h>
+#include <linux/videodev2.h>
#include <linux/i2c.h>
#include <media/v4l2-common.h>
#include <media/v4l2-i2c-drv-legacy.h>
@@ -57,7 +56,7 @@ struct saa7191 {
u8 reg[25];
int input;
- int norm;
+ v4l2_std_id norm;
};
static const u8 initseq[] = {
@@ -191,7 +190,7 @@ static int saa7191_set_input(struct i2c_client *client, int input)
return 0;
}
-static int saa7191_set_norm(struct i2c_client *client, int norm)
+static int saa7191_set_norm(struct i2c_client *client, v4l2_std_id norm)
{
struct saa7191 *decoder = i2c_get_clientdata(client);
u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
@@ -199,24 +198,20 @@ static int saa7191_set_norm(struct i2c_client *client, int norm)
u8 chcv = saa7191_read_reg(client, SAA7191_REG_CHCV);
int err;
- switch(norm) {
- case SAA7191_NORM_PAL:
+ if (norm & V4L2_STD_PAL) {
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL);
chcv = SAA7191_CHCV_PAL;
- break;
- case SAA7191_NORM_NTSC:
+ } else if (norm & V4L2_STD_NTSC) {
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~SAA7191_CTL3_AUFD;
ctl3 |= SAA7191_CTL3_FSEL;
chcv = SAA7191_CHCV_NTSC;
- break;
- case SAA7191_NORM_SECAM:
+ } else if (norm & V4L2_STD_SECAM) {
stdc |= SAA7191_STDC_SECS;
ctl3 &= ~(SAA7191_CTL3_AUFD | SAA7191_CTL3_FSEL);
chcv = SAA7191_CHCV_PAL;
- break;
- default:
+ } else {
return -EINVAL;
}
@@ -234,7 +229,7 @@ static int saa7191_set_norm(struct i2c_client *client, int norm)
dprintk("ctl3: %02x stdc: %02x chcv: %02x\n", ctl3,
stdc, chcv);
- dprintk("norm: %d\n", norm);
+ dprintk("norm: %llx\n", norm);
return 0;
}
@@ -262,15 +257,19 @@ static int saa7191_wait_for_signal(struct i2c_client *client, u8 *status)
return -EBUSY;
}
-static int saa7191_autodetect_norm_extended(struct i2c_client *client)
+static int saa7191_autodetect_norm_extended(struct i2c_client *client,
+ v4l2_std_id *norm)
{
+ struct saa7191 *decoder = i2c_get_clientdata(client);
u8 stdc = saa7191_read_reg(client, SAA7191_REG_STDC);
u8 ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
u8 status;
+ v4l2_std_id old_norm = decoder->norm;
int err = 0;
dprintk("SAA7191 extended signal auto-detection...\n");
+ *norm = V4L2_STD_NTSC | V4L2_STD_PAL | V4L2_STD_SECAM;
stdc &= ~SAA7191_STDC_SECS;
ctl3 &= ~(SAA7191_CTL3_FSEL);
@@ -301,14 +300,15 @@ static int saa7191_autodetect_norm_extended(struct i2c_client *client)
if (status & SAA7191_STATUS_FIDT) {
/* 60Hz signal -> NTSC */
dprintk("60Hz signal: NTSC\n");
- return saa7191_set_norm(client, SAA7191_NORM_NTSC);
+ *norm = V4L2_STD_NTSC;
+ return 0;
}
/* 50Hz signal */
dprintk("50Hz signal: Trying PAL...\n");
/* try PAL first */
- err = saa7191_set_norm(client, SAA7191_NORM_PAL);
+ err = saa7191_set_norm(client, V4L2_STD_PAL);
if (err)
goto out;
@@ -321,20 +321,20 @@ static int saa7191_autodetect_norm_extended(struct i2c_client *client)
/* not 50Hz ? */
if (status & SAA7191_STATUS_FIDT) {
dprintk("No 50Hz signal\n");
- err = -EAGAIN;
- goto out;
+ saa7191_set_norm(client, old_norm);
+ return -EAGAIN;
}
if (status & SAA7191_STATUS_CODE) {
dprintk("PAL\n");
- return 0;
+ *norm = V4L2_STD_PAL;
+ return saa7191_set_norm(client, old_norm);
}
dprintk("No color detected with PAL - Trying SECAM...\n");
/* no color detected ? -> try SECAM */
- err = saa7191_set_norm(client,
- SAA7191_NORM_SECAM);
+ err = saa7191_set_norm(client, V4L2_STD_SECAM);
if (err)
goto out;
@@ -354,29 +354,14 @@ static int saa7191_autodetect_norm_extended(struct i2c_client *client)
if (status & SAA7191_STATUS_CODE) {
/* Color detected -> SECAM */
dprintk("SECAM\n");
- return 0;
+ *norm = V4L2_STD_SECAM;
+ return saa7191_set_norm(client, old_norm);
}
dprintk("No color detected with SECAM - Going back to PAL.\n");
- /* still no color detected ?
- * -> set norm back to PAL */
- err = saa7191_set_norm(client,
- SAA7191_NORM_PAL);
- if (err)
- goto out;
-
out:
- ctl3 = saa7191_read_reg(client, SAA7191_REG_CTL3);
- if (ctl3 & SAA7191_CTL3_AUFD) {
- ctl3 &= ~(SAA7191_CTL3_AUFD);
- err = saa7191_write_reg(client, SAA7191_REG_CTL3, ctl3);
- if (err) {
- err = -EIO;
- }
- }
-
- return err;
+ return saa7191_set_norm(client, old_norm);
}
static int saa7191_autodetect_norm(struct i2c_client *client)
@@ -403,26 +388,26 @@ static int saa7191_autodetect_norm(struct i2c_client *client)
if (status & SAA7191_STATUS_FIDT) {
/* 60hz signal -> NTSC */
dprintk("NTSC\n");
- return saa7191_set_norm(client, SAA7191_NORM_NTSC);
+ return saa7191_set_norm(client, V4L2_STD_NTSC);
} else {
/* 50hz signal -> PAL */
dprintk("PAL\n");
- return saa7191_set_norm(client, SAA7191_NORM_PAL);
+ return saa7191_set_norm(client, V4L2_STD_PAL);
}
}
static int saa7191_get_control(struct i2c_client *client,
- struct saa7191_control *ctrl)
+ struct v4l2_control *ctrl)
{
u8 reg;
int ret = 0;
- switch (ctrl->type) {
+ switch (ctrl->id) {
case SAA7191_CONTROL_BANDPASS:
case SAA7191_CONTROL_BANDPASS_WEIGHT:
case SAA7191_CONTROL_CORING:
reg = saa7191_read_reg(client, SAA7191_REG_LUMA);
- switch (ctrl->type) {
+ switch (ctrl->id) {
case SAA7191_CONTROL_BANDPASS:
ctrl->value = ((s32)reg & SAA7191_LUMA_BPSS_MASK)
>> SAA7191_LUMA_BPSS_SHIFT;
@@ -440,13 +425,13 @@ static int saa7191_get_control(struct i2c_client *client,
case SAA7191_CONTROL_FORCE_COLOUR:
case SAA7191_CONTROL_CHROMA_GAIN:
reg = saa7191_read_reg(client, SAA7191_REG_GAIN);
- if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR)
+ if (ctrl->id == SAA7191_CONTROL_FORCE_COLOUR)
ctrl->value = ((s32)reg & SAA7191_GAIN_COLO) ? 1 : 0;
else
ctrl->value = ((s32)reg & SAA7191_GAIN_LFIS_MASK)
>> SAA7191_GAIN_LFIS_SHIFT;
break;
- case SAA7191_CONTROL_HUE:
+ case V4L2_CID_HUE:
reg = saa7191_read_reg(client, SAA7191_REG_HUEC);
if (reg < 0x80)
reg += 0x80;
@@ -478,17 +463,17 @@ static int saa7191_get_control(struct i2c_client *client,
}
static int saa7191_set_control(struct i2c_client *client,
- struct saa7191_control *ctrl)
+ struct v4l2_control *ctrl)
{
u8 reg;
int ret = 0;
- switch (ctrl->type) {
+ switch (ctrl->id) {
case SAA7191_CONTROL_BANDPASS:
case SAA7191_CONTROL_BANDPASS_WEIGHT:
case SAA7191_CONTROL_CORING:
reg = saa7191_read_reg(client, SAA7191_REG_LUMA);
- switch (ctrl->type) {
+ switch (ctrl->id) {
case SAA7191_CONTROL_BANDPASS:
reg &= ~SAA7191_LUMA_BPSS_MASK;
reg |= (ctrl->value << SAA7191_LUMA_BPSS_SHIFT)
@@ -510,7 +495,7 @@ static int saa7191_set_control(struct i2c_client *client,
case SAA7191_CONTROL_FORCE_COLOUR:
case SAA7191_CONTROL_CHROMA_GAIN:
reg = saa7191_read_reg(client, SAA7191_REG_GAIN);
- if (ctrl->type == SAA7191_CONTROL_FORCE_COLOUR) {
+ if (ctrl->id == SAA7191_CONTROL_FORCE_COLOUR) {
if (ctrl->value)
reg |= SAA7191_GAIN_COLO;
else
@@ -522,7 +507,7 @@ static int saa7191_set_control(struct i2c_client *client,
}
ret = saa7191_write_reg(client, SAA7191_REG_GAIN, reg);
break;
- case SAA7191_CONTROL_HUE:
+ case V4L2_CID_HUE:
reg = ctrl->value & 0xff;
if (reg < 0x80)
reg += 0x80;
@@ -568,141 +553,42 @@ static int saa7191_set_control(struct i2c_client *client,
static int saa7191_command(struct i2c_client *client, unsigned int cmd,
void *arg)
{
- struct saa7191 *decoder = i2c_get_clientdata(client);
-
switch (cmd) {
- case DECODER_GET_CAPABILITIES: {
- struct video_decoder_capability *cap = arg;
-
- cap->flags = VIDEO_DECODER_PAL | VIDEO_DECODER_NTSC |
- VIDEO_DECODER_SECAM | VIDEO_DECODER_AUTO;
- cap->inputs = (client->adapter->id == I2C_HW_SGI_VINO) ? 2 : 1;
- cap->outputs = 1;
- break;
- }
- case DECODER_GET_STATUS: {
- int *iarg = arg;
+ case VIDIOC_INT_G_INPUT_STATUS: {
+ u32 *iarg = arg;
u8 status;
- int res = 0;
+ int res = V4L2_IN_ST_NO_SIGNAL;
- if (saa7191_read_status(client, &status)) {
+ if (saa7191_read_status(client, &status))
return -EIO;
- }
if ((status & SAA7191_STATUS_HLCK) == 0)
- res |= DECODER_STATUS_GOOD;
- if (status & SAA7191_STATUS_CODE)
- res |= DECODER_STATUS_COLOR;
- switch (decoder->norm) {
- case SAA7191_NORM_NTSC:
- res |= DECODER_STATUS_NTSC;
- break;
- case SAA7191_NORM_PAL:
- res |= DECODER_STATUS_PAL;
- break;
- case SAA7191_NORM_SECAM:
- res |= DECODER_STATUS_SECAM;
- break;
- case SAA7191_NORM_AUTO:
- default:
- if (status & SAA7191_STATUS_FIDT)
- res |= DECODER_STATUS_NTSC;
- else
- res |= DECODER_STATUS_PAL;
- break;
- }
+ res = 0;
+ if (!(status & SAA7191_STATUS_CODE))
+ res |= V4L2_IN_ST_NO_COLOR;
*iarg = res;
break;
}
- case DECODER_SET_NORM: {
- int *iarg = arg;
-
- switch (*iarg) {
- case VIDEO_MODE_AUTO:
- return saa7191_autodetect_norm(client);
- case VIDEO_MODE_PAL:
- return saa7191_set_norm(client, SAA7191_NORM_PAL);
- case VIDEO_MODE_NTSC:
- return saa7191_set_norm(client, SAA7191_NORM_NTSC);
- case VIDEO_MODE_SECAM:
- return saa7191_set_norm(client, SAA7191_NORM_SECAM);
- default:
- return -EINVAL;
- }
- break;
- }
- case DECODER_SET_INPUT: {
- int *iarg = arg;
-
- switch (client->adapter->id) {
- case I2C_HW_SGI_VINO:
- return saa7191_set_input(client, *iarg);
- default:
- if (*iarg != 0)
- return -EINVAL;
- }
- break;
- }
- case DECODER_SET_OUTPUT: {
- int *iarg = arg;
- /* not much choice of outputs */
- if (*iarg != 0)
- return -EINVAL;
- break;
- }
- case DECODER_ENABLE_OUTPUT: {
- /* Always enabled */
- break;
- }
- case DECODER_SET_PICTURE: {
- struct video_picture *pic = arg;
- unsigned val;
- int err;
-
- val = (pic->hue >> 8) - 0x80;
+ case VIDIOC_QUERYSTD:
+ return saa7191_autodetect_norm_extended(client, arg);
- err = saa7191_write_reg(client, SAA7191_REG_HUEC, val);
- if (err)
- return -EIO;
+ case VIDIOC_S_STD: {
+ v4l2_std_id *istd = arg;
- break;
+ return saa7191_set_norm(client, *istd);
}
- case DECODER_SAA7191_GET_STATUS: {
- struct saa7191_status *status = arg;
- u8 status_reg;
-
- if (saa7191_read_status(client, &status_reg))
- return -EIO;
-
- status->signal = ((status_reg & SAA7191_STATUS_HLCK) == 0)
- ? 1 : 0;
- status->signal_60hz = (status_reg & SAA7191_STATUS_FIDT)
- ? 1 : 0;
- status->color = (status_reg & SAA7191_STATUS_CODE) ? 1 : 0;
+ case VIDIOC_INT_S_VIDEO_ROUTING: {
+ struct v4l2_routing *route = arg;
- status->input = decoder->input;
- status->norm = decoder->norm;
-
- break;
+ return saa7191_set_input(client, route->input);
}
- case DECODER_SAA7191_SET_NORM: {
- int *norm = arg;
-
- switch (*norm) {
- case SAA7191_NORM_AUTO:
- return saa7191_autodetect_norm(client);
- case SAA7191_NORM_AUTO_EXT:
- return saa7191_autodetect_norm_extended(client);
- default:
- return saa7191_set_norm(client, *norm);
- }
- }
- case DECODER_SAA7191_GET_CONTROL: {
+
+ case VIDIOC_G_CTRL:
return saa7191_get_control(client, arg);
- }
- case DECODER_SAA7191_SET_CONTROL: {
+
+ case VIDIOC_S_CTRL:
return saa7191_set_control(client, arg);
- }
+
default:
return -EINVAL;
}
@@ -737,7 +623,7 @@ static int saa7191_probe(struct i2c_client *client,
printk(KERN_INFO "SAA7191 initialized\n");
decoder->input = SAA7191_INPUT_COMPOSITE;
- decoder->norm = SAA7191_NORM_PAL;
+ decoder->norm = V4L2_STD_PAL;
err = saa7191_autodetect_norm(client);
if (err && (err != -EBUSY))
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