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V4L/DVB (7351): tuner-simple: add init and sleep methods

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taken from dvb-pll

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Michael Krufky 2008-04-22 14:45:53 -03:00 committed by Mauro Carvalho Chehab
parent 22ef8fc945
commit 6f4a57292f
3 changed files with 76 additions and 0 deletions
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48
drivers/media/video/tuner-simple.c
View File

@ -810,6 +810,52 @@ fail:
return ret;
}
static int simple_init(struct dvb_frontend *fe)
{
struct tuner_simple_priv *priv = fe->tuner_priv;
if (priv->i2c_props.adap == NULL)
return -EINVAL;
if (priv->tun->initdata) {
int ret;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
ret = tuner_i2c_xfer_send(&priv->i2c_props,
priv->tun->initdata + 1,
priv->tun->initdata[0]);
if (ret != priv->tun->initdata[0])
return ret;
}
return 0;
}
static int simple_sleep(struct dvb_frontend *fe)
{
struct tuner_simple_priv *priv = fe->tuner_priv;
if (priv->i2c_props.adap == NULL)
return -EINVAL;
if (priv->tun->sleepdata) {
int ret;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
ret = tuner_i2c_xfer_send(&priv->i2c_props,
priv->tun->sleepdata + 1,
priv->tun->sleepdata[0]);
if (ret != priv->tun->sleepdata[0])
return ret;
}
return 0;
}
static int simple_release(struct dvb_frontend *fe)
{
struct tuner_simple_priv *priv = fe->tuner_priv;
@ -841,6 +887,8 @@ static int simple_get_bandwidth(struct dvb_frontend *fe, u32 *bandwidth)
}
static struct dvb_tuner_ops simple_tuner_ops = {
.init = simple_init,
.sleep = simple_sleep,
.set_analog_params = simple_set_params,
.set_params = simple_dvb_set_params,
.calc_regs = simple_dvb_calc_regs,

25
drivers/media/video/tuner-types.c
View File

@ -35,6 +35,27 @@
* based on the video standard in use.
*/
/* The following was taken from dvb-pll.c: */
/* Set AGC TOP value to 103 dBuV:
* 0x80 = Control Byte
* 0x40 = 250 uA charge pump (irrelevant)
* 0x18 = Aux Byte to follow
* 0x06 = 64.5 kHz divider (irrelevant)
* 0x01 = Disable Vt (aka sleep)
*
* 0x00 = AGC Time constant 2s Iagc = 300 nA (vs 0x80 = 9 nA)
* 0x50 = AGC Take over point = 103 dBuV
*/
static u8 tua603x_agc103[] = { 2, 0x80|0x40|0x18|0x06|0x01, 0x00|0x50 };
/* 0x04 = 166.67 kHz divider
*
* 0x80 = AGC Time constant 50ms Iagc = 9 uA
* 0x20 = AGC Take over point = 112 dBuV
*/
static u8 tua603x_agc112[] = { 2, 0x80|0x40|0x18|0x04|0x01, 0x80|0x20 };
/* 0-9 */
/* ------------ TUNER_TEMIC_PAL - TEMIC PAL ------------ */
@ -1425,6 +1446,7 @@ struct tunertype tuners[] = {
.min = 16 * 57.00,
.max = 16 * 863.00,
.stepsize = 62500,
.initdata = tua603x_agc103,
},
[TUNER_TENA_9533_DI] = { /* Philips PAL */
.name = "Tena TNF9533-D/IF/TNF9533-B/DF",
@ -1439,6 +1461,8 @@ struct tunertype tuners[] = {
.name = "Philips FMD1216ME MK3 Hybrid Tuner",
.params = tuner_philips_fmd1216me_mk3_params,
.count = ARRAY_SIZE(tuner_philips_fmd1216me_mk3_params),
.initdata = tua603x_agc112,
.sleepdata = (u8[]){ 4, 0x9c, 0x60, 0x85, 0x54 },
},
[TUNER_LG_TDVS_H06XF] = { /* LGINNOTEK ATSC */
.name = "LG TDVS-H06xF", /* H061F, H062F & H064F */
@ -1447,6 +1471,7 @@ struct tunertype tuners[] = {
.min = 16 * 54.00,
.max = 16 * 863.00,
.stepsize = 62500,
.initdata = tua603x_agc103,
},
[TUNER_YMEC_TVF66T5_B_DFF] = { /* Philips PAL */
.name = "Ymec TVF66T5-B/DFF",

3
include/media/tuner-types.h
View File

@ -120,6 +120,9 @@ struct tunertype {
u16 min;
u16 max;
u16 stepsize;
u8 *initdata;
u8 *sleepdata;
};
extern struct tunertype tuners[];