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Diffstat (limited to 'drivers/media/dvb/b2c2/flexcop-fe-tuner.c')
-rw-r--r--drivers/media/dvb/b2c2/flexcop-fe-tuner.c196
1 files changed, 113 insertions, 83 deletions
diff --git a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
index 3f485bf1312..efb4a6c2b57 100644
--- a/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
+++ b/drivers/media/dvb/b2c2/flexcop-fe-tuner.c
@@ -175,23 +175,23 @@ static int skystar23_samsung_tbdu18132_tuner_set_params(struct dvb_frontend *fe,
return 0;
}
-static void skystar2_rev23_attach(struct flexcop_device *fc,
+static int skystar2_rev23_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
- fc->fe = dvb_attach(mt312_attach,
- &skystar23_samsung_tbdu18132_config, i2c);
+ fc->fe = dvb_attach(mt312_attach, &skystar23_samsung_tbdu18132_config, i2c);
if (fc->fe != NULL) {
struct dvb_frontend_ops *ops = &fc->fe->ops;
- ops->tuner_ops.set_params \
- = skystar23_samsung_tbdu18132_tuner_set_params;
+ ops->tuner_ops.set_params =
+ skystar23_samsung_tbdu18132_tuner_set_params;
ops->diseqc_send_master_cmd = flexcop_diseqc_send_master_cmd;
ops->diseqc_send_burst = flexcop_diseqc_send_burst;
ops->set_tone = flexcop_set_tone;
ops->set_voltage = flexcop_set_voltage;
fc->fe_sleep = ops->sleep;
ops->sleep = flexcop_sleep;
- fc->dev_type = FC_SKY_REV23;
+ return 1;
}
+ return 0;
}
#endif
@@ -307,7 +307,7 @@ static struct stv0299_config samsung_tbmu24112_config = {
.set_symbol_rate = samsung_tbmu24112_set_symbol_rate,
};
-static void skystar2_rev26_attach(struct flexcop_device *fc,
+static int skystar2_rev26_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fe = dvb_attach(stv0299_attach, &samsung_tbmu24112_config, i2c);
@@ -317,7 +317,9 @@ static void skystar2_rev26_attach(struct flexcop_device *fc,
ops->set_voltage = flexcop_set_voltage;
fc->fe_sleep = ops->sleep;
ops->sleep = flexcop_sleep;
+ return 1;
}
+ return 0;
}
#endif
@@ -334,43 +336,54 @@ static struct itd1000_config skystar2_rev2_7_itd1000_config = {
.i2c_address = 0x61,
};
-static void skystar2_rev27_attach(struct flexcop_device *fc,
+static int skystar2_rev27_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
+ flexcop_ibi_value r108;
+ struct i2c_adapter *i2c_tuner;
+
/* enable no_base_addr - no repeated start when reading */
fc->fc_i2c_adap[0].no_base_addr = 1;
- fc->fe = dvb_attach(s5h1420_attach,
- &skystar2_rev2_7_s5h1420_config, i2c);
- if (fc->fe != NULL) {
- flexcop_ibi_value r108;
- struct i2c_adapter *i2c_tuner \
- = s5h1420_get_tuner_i2c_adapter(fc->fe);
- struct dvb_frontend_ops *ops = &fc->fe->ops;
+ fc->fe = dvb_attach(s5h1420_attach, &skystar2_rev2_7_s5h1420_config,
+ i2c);
+ if (!fc->fe)
+ goto fail;
- fc->fe_sleep = ops->sleep;
- ops->sleep = flexcop_sleep;
-
- /* enable no_base_addr - no repeated start when reading */
- fc->fc_i2c_adap[2].no_base_addr = 1;
- if (dvb_attach(isl6421_attach, fc->fe,
- &fc->fc_i2c_adap[2].i2c_adap, 0x08, 1, 1) == NULL)
- err("ISL6421 could NOT be attached");
- else
- info("ISL6421 successfully attached");
-
- /* the ITD1000 requires a lower i2c clock - is it a problem ? */
- r108.raw = 0x00000506;
- fc->write_ibi_reg(fc, tw_sm_c_108, r108);
- if (i2c_tuner) {
- if (dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
- &skystar2_rev2_7_itd1000_config) == NULL)
- err("ITD1000 could NOT be attached");
- else
- info("ITD1000 successfully attached");
- }
- } else
- fc->fc_i2c_adap[0].no_base_addr = 0;
- /* for the next devices we need it again */
+ i2c_tuner = s5h1420_get_tuner_i2c_adapter(fc->fe);
+ if (!i2c_tuner)
+ goto fail;
+
+ fc->fe_sleep = fc->fe->ops.sleep;
+ fc->fe->ops.sleep = flexcop_sleep;
+
+ /* enable no_base_addr - no repeated start when reading */
+ fc->fc_i2c_adap[2].no_base_addr = 1;
+ if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
+ 0x08, 1, 1)) {
+ err("ISL6421 could NOT be attached");
+ goto fail_isl;
+ }
+ info("ISL6421 successfully attached");
+
+ /* the ITD1000 requires a lower i2c clock - is it a problem ? */
+ r108.raw = 0x00000506;
+ fc->write_ibi_reg(fc, tw_sm_c_108, r108);
+ if (!dvb_attach(itd1000_attach, fc->fe, i2c_tuner,
+ &skystar2_rev2_7_itd1000_config)) {
+ err("ITD1000 could NOT be attached");
+ /* Should i2c clock be restored? */
+ goto fail_isl;
+ }
+ info("ITD1000 successfully attached");
+
+ return 1;
+
+fail_isl:
+ fc->fc_i2c_adap[2].no_base_addr = 0;
+fail:
+ /* for the next devices we need it again */
+ fc->fc_i2c_adap[0].no_base_addr = 0;
+ return 0;
}
#endif
@@ -387,32 +400,38 @@ static const struct cx24113_config skystar2_rev2_8_cx24113_config = {
.xtal_khz = 10111,
};
-static void skystar2_rev28_attach(struct flexcop_device *fc,
+static int skystar2_rev28_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
- fc->fe = dvb_attach(cx24123_attach,
- &skystar2_rev2_8_cx24123_config, i2c);
- if (fc->fe != NULL) {
- struct i2c_adapter *i2c_tuner \
- = cx24123_get_tuner_i2c_adapter(fc->fe);
- if (i2c_tuner != NULL) {
- if (dvb_attach(cx24113_attach, fc->fe,
- &skystar2_rev2_8_cx24113_config,
- i2c_tuner) == NULL)
- err("CX24113 could NOT be attached");
- else
- info("CX24113 successfully attached");
- }
+ struct i2c_adapter *i2c_tuner;
+
+ fc->fe = dvb_attach(cx24123_attach, &skystar2_rev2_8_cx24123_config,
+ i2c);
+ if (!fc->fe)
+ return 0;
+
+ i2c_tuner = cx24123_get_tuner_i2c_adapter(fc->fe);;
+ if (!i2c_tuner)
+ return 0;
- fc->fc_i2c_adap[2].no_base_addr = 1;
- if (dvb_attach(isl6421_attach, fc->fe,
- &fc->fc_i2c_adap[2].i2c_adap, 0x08, 0, 0) == NULL)
- err("ISL6421 could NOT be attached");
- else
- info("ISL6421 successfully attached");
+ if (!dvb_attach(cx24113_attach, fc->fe, &skystar2_rev2_8_cx24113_config,
+ i2c_tuner)) {
+ err("CX24113 could NOT be attached");
+ return 0;
+ }
+ info("CX24113 successfully attached");
+
+ fc->fc_i2c_adap[2].no_base_addr = 1;
+ if (!dvb_attach(isl6421_attach, fc->fe, &fc->fc_i2c_adap[2].i2c_adap,
+ 0x08, 0, 0)) {
+ err("ISL6421 could NOT be attached");
+ fc->fc_i2c_adap[2].no_base_addr = 0;
+ return 0;
+ }
+ info("ISL6421 successfully attached");
/* TODO on i2c_adap[1] addr 0x11 (EEPROM) there seems to be an
* IR-receiver (PIC16F818) - but the card has no input for that ??? */
- }
+ return 1;
}
#endif
@@ -466,12 +485,15 @@ static struct mt352_config samsung_tdtc9251dh0_config = {
.demod_init = samsung_tdtc9251dh0_demod_init,
};
-static void airstar_dvbt_attach(struct flexcop_device *fc,
+static int airstar_dvbt_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fe = dvb_attach(mt352_attach, &samsung_tdtc9251dh0_config, i2c);
- if (fc->fe != NULL)
+ if (fc->fe != NULL) {
fc->fe->ops.tuner_ops.calc_regs = samsung_tdtc9251dh0_calc_regs;
+ return 1;
+ }
+ return 0;
}
#endif
@@ -489,10 +511,11 @@ static struct bcm3510_config air2pc_atsc_first_gen_config = {
.request_firmware = flexcop_fe_request_firmware,
};
-static void airstar_atsc1_attach(struct flexcop_device *fc,
+static int airstar_atsc1_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fe = dvb_attach(bcm3510_attach, &air2pc_atsc_first_gen_config, i2c);
+ return fc->fe != NULL;
}
#endif
@@ -502,13 +525,15 @@ static struct nxt200x_config samsung_tbmv_config = {
.demod_address = 0x0a,
};
-static void airstar_atsc2_attach(struct flexcop_device *fc,
+static int airstar_atsc2_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fe = dvb_attach(nxt200x_attach, &samsung_tbmv_config, i2c);
- if (fc->fe != NULL)
- dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
- DVB_PLL_SAMSUNG_TBMV);
+ if (!fc->fe)
+ return 0;
+
+ return !!dvb_attach(dvb_pll_attach, fc->fe, 0x61, NULL,
+ DVB_PLL_SAMSUNG_TBMV);
}
#endif
@@ -521,14 +546,15 @@ static struct lgdt330x_config air2pc_atsc_hd5000_config = {
.clock_polarity_flip = 1,
};
-static void airstar_atsc3_attach(struct flexcop_device *fc,
+static int airstar_atsc3_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fe = dvb_attach(lgdt330x_attach, &air2pc_atsc_hd5000_config, i2c);
- if (fc->fe != NULL) {
- dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
- TUNER_LG_TDVS_H06XF);
- }
+ if (!fc->fe)
+ return 0;
+
+ return !!dvb_attach(simple_tuner_attach, fc->fe, i2c, 0x61,
+ TUNER_LG_TDVS_H06XF);
}
#endif
@@ -659,22 +685,24 @@ static struct stv0297_config alps_tdee4_stv0297_config = {
.inittab = alps_tdee4_stv0297_inittab,
};
-static void cablestar2_attach(struct flexcop_device *fc,
+static int cablestar2_attach(struct flexcop_device *fc,
struct i2c_adapter *i2c)
{
fc->fc_i2c_adap[0].no_base_addr = 1;
fc->fe = dvb_attach(stv0297_attach, &alps_tdee4_stv0297_config, i2c);
- if (fc->fe != NULL)
- fc->fe->ops.tuner_ops.set_params \
- = alps_tdee4_stv0297_tuner_set_params;
- else
+ if (!fc->fe) {
+ /* Reset for next frontend to try */
fc->fc_i2c_adap[0].no_base_addr = 0;
+ return 0;
+ }
+ fc->fe->ops.tuner_ops.set_params = alps_tdee4_stv0297_tuner_set_params;
+ return 1;
}
#endif
static struct {
flexcop_device_type_t type;
- void (*attach)(struct flexcop_device *, struct i2c_adapter *);
+ int (*attach)(struct flexcop_device *, struct i2c_adapter *);
} flexcop_frontends[] = {
#if defined(CONFIG_DVB_S5H1420_MODULE)
{ FC_SKY_REV27, skystar2_rev27_attach },
@@ -713,9 +741,13 @@ int flexcop_frontend_init(struct flexcop_device *fc)
/* type needs to be set before, because of some workarounds
* done based on the probed card type */
fc->dev_type = flexcop_frontends[i].type;
- flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap);
- if (fc->fe != NULL)
+ if (flexcop_frontends[i].attach(fc, &fc->fc_i2c_adap[0].i2c_adap))
goto fe_found;
+ /* Clean up partially attached frontend */
+ if (fc->fe) {
+ dvb_frontend_detach(fc->fe);
+ fc->fe = NULL;
+ }
}
fc->dev_type = FC_UNK;
err("no frontend driver found for this B2C2/FlexCop adapter");
@@ -724,10 +756,8 @@ int flexcop_frontend_init(struct flexcop_device *fc)
fe_found:
info("found '%s' .", fc->fe->ops.info.name);
if (dvb_register_frontend(&fc->dvb_adapter, fc->fe)) {
- struct dvb_frontend_ops *ops = &fc->fe->ops;
err("frontend registration failed!");
- if (ops->release != NULL)
- ops->release(fc->fe);
+ dvb_frontend_detach(fc->fe);
fc->fe = NULL;
return -EINVAL;
}