static inline void tvp5150_write(struct i2c_client *c, unsigned char addr,
unsigned char value)
{
unsigned char buffer[2];
int rc;
buffer[0] = addr;
buffer[1] = value;
tvp5150_dbg(2, "tvp5150: writing 0x%02x 0x%02x\n", buffer[0], buffer[1]);
if (2 != (rc = i2c_master_send(c, buffer, 2)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 2)\n", rc);
}
static int tvp5150_set_std(struct i2c_client *c, v4l2_std_id std)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
int fmt=0;
decoder->norm=std;
/* First tests should be against specific std */
if (std == V4L2_STD_ALL) {
fmt=0; /* Autodetect mode */
} else if (std & V4L2_STD_NTSC_443) {
fmt=0xa;
} else if (std & V4L2_STD_PAL_M) {
fmt=0x6;
} else if (std & (V4L2_STD_PAL_N| V4L2_STD_PAL_Nc)) {
fmt=0x8;
} else {
/* Then, test against generic ones */
if (std & V4L2_STD_NTSC) {
fmt=0x2;
} else if (std & V4L2_STD_PAL) {
fmt=0x4;
} else if (std & V4L2_STD_SECAM) {
fmt=0xc;
}
}
tvp5150_dbg(1,"Set video std register to %d.\n",fmt);
tvp5150_write(c, TVP5150_VIDEO_STD, fmt);
return 0;
}
static inline void tvp5150_selmux(struct i2c_client *c)
{
int opmode=0;
struct tvp5150 *decoder = i2c_get_clientdata(c);
int input = 0;
if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
input = 8;
switch (decoder->route.input) {
case TVP5150_COMPOSITE1:
input |= 2;
/* fall through */
case TVP5150_COMPOSITE0:
opmode=0x30; /* TV Mode */
break;
case TVP5150_SVIDEO:
default:
input |= 1;
opmode=0; /* Auto Mode */
break;
}
tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "
"=> tvp5150 input=%i, opmode=%i\n",
decoder->route.input,decoder->route.output,
input, opmode );
tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
};
static int tvp5150_read(struct i2c_client *c, unsigned char addr)
{
unsigned char buffer[1];
int rc;
buffer[0] = addr;
if (1 != (rc = i2c_master_send(c, buffer, 1)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
msleep(10);
if (1 != (rc = i2c_master_recv(c, buffer, 1)))
tvp5150_dbg(0, "i2c i/o error: rc == %d (should be 1)\n", rc);
tvp5150_dbg(2, "tvp5150: read 0x%02x = 0x%02x\n", addr, buffer[0]);
return (buffer[0]);
}
static int tvp5150_detach_client(struct i2c_client *c)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
int err;
tvp5150_dbg(1,
"tvp5150.c: removing tvp5150 adapter on address 0x%x\n",
c->addr << 1);
err = i2c_detach_client(c);
if (err) {
return err;
}
kfree(decoder);
kfree(c);
return 0;
}
static inline void tvp5150_selmux(struct i2c_client *c)
{
int opmode=0;
struct tvp5150 *decoder = i2c_get_clientdata(c);
int input = 0;
unsigned char val;
if ((decoder->route.output & TVP5150_BLACK_SCREEN) || !decoder->enable)
input = 8;
switch (decoder->route.input) {
case TVP5150_COMPOSITE1:
input |= 2;
/* fall through */
case TVP5150_COMPOSITE0:
opmode=0x30; /* TV Mode */
break;
case TVP5150_SVIDEO:
default:
input |= 1;
opmode=0; /* Auto Mode */
break;
}
tvp5150_dbg( 1, "Selecting video route: route input=%i, output=%i "
"=> tvp5150 input=%i, opmode=%i\n",
decoder->route.input,decoder->route.output,
input, opmode );
tvp5150_write(c, TVP5150_OP_MODE_CTL, opmode);
tvp5150_write(c, TVP5150_VD_IN_SRC_SEL_1, input);
/* Svideo should enable YCrCb output and disable GPCL output
* For Composite and TV, it should be the reverse
*/
val = tvp5150_read(c, TVP5150_MISC_CTL);
if (decoder->route.input == TVP5150_SVIDEO)
val = (val & ~0x40) | 0x10;
else
val = (val & ~0x10) | 0x40;
tvp5150_write(c, TVP5150_MISC_CTL, val);
};
/****************************************************************************
I2C Command
****************************************************************************/
static int tvp5150_command(struct i2c_client *c,
unsigned int cmd, void *arg)
{
struct tvp5150 *decoder = i2c_get_clientdata(c);
switch (cmd) {
case 0:
case VIDIOC_INT_RESET:
tvp5150_reset(c);
break;
case VIDIOC_INT_G_VIDEO_ROUTING:
{
struct v4l2_routing *route = arg;
*route = decoder->route;
break;
}
case VIDIOC_INT_S_VIDEO_ROUTING:
{
struct v4l2_routing *route = arg;
decoder->route = *route;
tvp5150_selmux(c);
break;
}
case VIDIOC_S_STD:
if (decoder->norm == *(v4l2_std_id *)arg)
break;
return tvp5150_set_std(c, *(v4l2_std_id *)arg);
case VIDIOC_G_STD:
*(v4l2_std_id *)arg = decoder->norm;
break;
case VIDIOC_G_SLICED_VBI_CAP:
{
struct v4l2_sliced_vbi_cap *cap = arg;
tvp5150_dbg(1, "VIDIOC_G_SLICED_VBI_CAP\n");
tvp5150_vbi_get_cap(vbi_ram_default, cap);
break;
}
case VIDIOC_S_FMT:
{
struct v4l2_format *fmt;
struct v4l2_sliced_vbi_format *svbi;
int i;
fmt = arg;
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
svbi = &fmt->fmt.sliced;
if (svbi->service_set != 0) {
for (i = 0; i <= 23; i++) {
svbi->service_lines[1][i] = 0;
svbi->service_lines[0][i]=tvp5150_set_vbi(c,
vbi_ram_default,
svbi->service_lines[0][i],0xf0,i,3);
}
/* Enables FIFO */
tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,1);
} else {
/* Disables FIFO*/
tvp5150_write(c, TVP5150_FIFO_OUT_CTRL,0);
/* Disable Full Field */
tvp5150_write(c, TVP5150_FULL_FIELD_ENA, 0);
/* Disable Line modes */
for (i=TVP5150_LINE_MODE_INI; i<=TVP5150_LINE_MODE_END; i++)
tvp5150_write(c, i, 0xff);
}
break;
}
case VIDIOC_G_FMT:
{
struct v4l2_format *fmt;
struct v4l2_sliced_vbi_format *svbi;
int i, mask=0;
fmt = arg;
if (fmt->type != V4L2_BUF_TYPE_SLICED_VBI_CAPTURE)
return -EINVAL;
svbi = &fmt->fmt.sliced;
memset(svbi, 0, sizeof(*svbi));
for (i = 0; i <= 23; i++) {
svbi->service_lines[0][i]=tvp5150_get_vbi(c,
vbi_ram_default,i);
mask|=svbi->service_lines[0][i];
}
svbi->service_set=mask;
break;
}
#ifdef CONFIG_VIDEO_ADV_DEBUG
case VIDIOC_DBG_G_REGISTER:
case VIDIOC_DBG_S_REGISTER:
{
struct v4l2_register *reg = arg;
if (!v4l2_chip_match_i2c_client(c, reg->match_type, reg->match_chip))
return -EINVAL;
if (!capable(CAP_SYS_ADMIN))
return -EPERM;
if (cmd == VIDIOC_DBG_G_REGISTER)
reg->val = tvp5150_read(c, reg->reg & 0xff);
else
tvp5150_write(c, reg->reg & 0xff, reg->val & 0xff);
break;
}
#endif
case VIDIOC_LOG_STATUS:
dump_reg(c);
break;
case VIDIOC_G_TUNER:
{
struct v4l2_tuner *vt = arg;
int status = tvp5150_read(c, 0x88);
vt->signal = ((status & 0x04) && (status & 0x02)) ? 0xffff : 0x0;
break;
}
case VIDIOC_QUERYCTRL:
{
struct v4l2_queryctrl *qc = arg;
int i;
tvp5150_dbg(1, "VIDIOC_QUERYCTRL called\n");
for (i = 0; i < ARRAY_SIZE(tvp5150_qctrl); i++)
if (qc->id && qc->id == tvp5150_qctrl[i].id) {
memcpy(qc, &(tvp5150_qctrl[i]),
sizeof(*qc));
return 0;
}
return -EINVAL;
}
case VIDIOC_G_CTRL:
{
struct v4l2_control *ctrl = arg;
tvp5150_dbg(1, "VIDIOC_G_CTRL called\n");
return tvp5150_get_ctrl(c, ctrl);
}
case VIDIOC_S_CTRL:
{
struct v4l2_control *ctrl = arg;
u8 i, n;
n = ARRAY_SIZE(tvp5150_qctrl);
for (i = 0; i < n; i++)
if (ctrl->id == tvp5150_qctrl[i].id) {
if (ctrl->value <
tvp5150_qctrl[i].minimum
|| ctrl->value >
tvp5150_qctrl[i].maximum)
return -ERANGE;
tvp5150_dbg(1,
"VIDIOC_S_CTRL: id=%d, value=%d\n",
ctrl->id, ctrl->value);
return tvp5150_set_ctrl(c, ctrl);
}
return -EINVAL;
}
default:
return -EINVAL;
}
return 0;
}