Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=dc120b0734fcc6a4c42c73790a02f2fa74a7a326
Commit: dc120b0734fcc6a4c42c73790a02f2fa74a7a326
Parent: aa323ac89c5724de89656fcf31590d19e74594ec
Author: Hartmut Birr <[EMAIL PROTECTED]>
AuthorDate: Sat Apr 21 19:44:10 2007 -0300
Committer: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
CommitDate: Fri Apr 27 15:45:48 2007 -0300
V4L/DVB (5544): Budget-av: Make inversion setting configurable, add KNC ONE
V1.0 card
Make the inversion setting configurable. The KNC ONE V1.0 uses
non inverted setting for the inversion and add the KNC ONE V1.0 card.
Signed-off-by: Hartmut Birr <[EMAIL PROTECTED]>
Signed-off-by: Oliver Endriss <[EMAIL PROTECTED]>
Signed-off-by: Mauro Carvalho Chehab <[EMAIL PROTECTED]>
---
drivers/media/dvb/frontends/tda10021.c | 26 ++++++++++++++++----------
drivers/media/dvb/frontends/tda1002x.h | 1 +
drivers/media/dvb/ttpci/budget-av.c | 2 ++
3 files changed, 19 insertions(+), 10 deletions(-)
diff --git a/drivers/media/dvb/frontends/tda10021.c
b/drivers/media/dvb/frontends/tda10021.c
index 304f1f9..1105368 100644
--- a/drivers/media/dvb/frontends/tda10021.c
+++ b/drivers/media/dvb/frontends/tda10021.c
@@ -53,9 +53,6 @@ struct tda10021_state {
static int verbose;
#define XIN 57840000UL
-#define DISABLE_INVERSION(reg0) do { reg0 |= 0x20; } while (0)
-#define ENABLE_INVERSION(reg0) do { reg0 &= ~0x20; } while (0)
-#define HAS_INVERSION(reg0) (!(reg0 & 0x20))
#define FIN (XIN >> 4)
@@ -97,7 +94,8 @@ static u8 tda10021_readreg (struct tda10021_state* state, u8
reg)
int ret;
ret = i2c_transfer (state->i2c, msg, 2);
- if (ret != 2)
+ // Don't print an error message if the id is read.
+ if (ret != 2 && reg != 0x1a)
printk("DVB: TDA10021: %s: readreg error (ret == %i)\n",
__FUNCTION__, ret);
return b1[0];
@@ -136,10 +134,10 @@ static int tda10021_setup_reg0 (struct tda10021_state*
state, u8 reg0,
{
reg0 |= state->reg0 & 0x63;
- if (INVERSION_ON == inversion)
- ENABLE_INVERSION(reg0);
- else if (INVERSION_OFF == inversion)
- DISABLE_INVERSION(reg0);
+ if ((INVERSION_ON == inversion) ^ (state->config->invert == 0))
+ reg0 &= ~0x20;
+ else
+ reg0 |= 0x20;
_tda10021_writereg (state, 0x00, reg0 & 0xfe);
_tda10021_writereg (state, 0x00, reg0 | 0x01);
@@ -248,6 +246,9 @@ static int tda10021_set_parameters (struct dvb_frontend *fe,
if (qam < 0 || qam > 5)
return -EINVAL;
+ if (p->inversion != INVERSION_ON && p->inversion != INVERSION_OFF)
+ return -EINVAL;
+
//printk("tda10021: set frequency to %d qam=%d symrate=%d\n",
p->frequency,qam,p->u.qam.symbol_rate);
if (fe->ops.tuner_ops.set_params) {
@@ -356,7 +357,7 @@ static int tda10021_get_frontend(struct dvb_frontend* fe,
struct dvb_frontend_pa
-((s32)p->u.qam.symbol_rate * afc) >> 10);
}
- p->inversion = HAS_INVERSION(state->reg0) ? INVERSION_ON :
INVERSION_OFF;
+ p->inversion = ((state->reg0 & 0x20) == 0x20) ^ (state->config->invert
!= 0) ? INVERSION_ON : INVERSION_OFF;
p->u.qam.modulation = ((state->reg0 >> 2) & 7) + QAM_16;
p->u.qam.fec_inner = FEC_NONE;
@@ -403,6 +404,7 @@ struct dvb_frontend* tda10021_attach(const struct
tda1002x_config* config,
u8 pwm)
{
struct tda10021_state* state = NULL;
+ u8 id;
/* allocate memory for the internal state */
state = kmalloc(sizeof(struct tda10021_state), GFP_KERNEL);
@@ -415,7 +417,11 @@ struct dvb_frontend* tda10021_attach(const struct
tda1002x_config* config,
state->reg0 = tda10021_inittab[0];
/* check if the demod is there */
- if ((tda10021_readreg(state, 0x1a) & 0xf0) != 0x70) goto error;
+ id = tda10021_readreg(state, 0x1a);
+ if ((id & 0xf0) != 0x70) goto error;
+
+ printk("TDA10021: i2c-addr = 0x%02x, id = 0x%02x\n",
+ state->config->demod_address, id);
/* create dvb_frontend */
memcpy(&state->frontend.ops, &tda10021_ops, sizeof(struct
dvb_frontend_ops));
diff --git a/drivers/media/dvb/frontends/tda1002x.h
b/drivers/media/dvb/frontends/tda1002x.h
index 4849359..e9094d8 100644
--- a/drivers/media/dvb/frontends/tda1002x.h
+++ b/drivers/media/dvb/frontends/tda1002x.h
@@ -30,6 +30,7 @@ struct tda1002x_config
{
/* the demodulator's i2c address */
u8 demod_address;
+ u8 invert;
};
#if defined(CONFIG_DVB_TDA10021) || (defined(CONFIG_DVB_TDA10021_MODULE) &&
defined(MODULE))
diff --git a/drivers/media/dvb/ttpci/budget-av.c
b/drivers/media/dvb/ttpci/budget-av.c
index 5680aa5..0e817d6 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -659,10 +659,12 @@ static int philips_cu1216_tuner_set_params(struct
dvb_frontend *fe, struct dvb_f
static struct tda1002x_config philips_cu1216_config = {
.demod_address = 0x0c,
+ .invert = 1,
};
static struct tda1002x_config philips_cu1216_config_altaddress = {
.demod_address = 0x0d,
+ .invert = 0,
};
static int philips_tu1216_tuner_init(struct dvb_frontend *fe)
-
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