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authorLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 21:15:42 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-06-16 21:15:42 -0700
commit0dd5198672dd2bbeb933862e1fc82162e0b636be (patch)
treec9efed20d90603c4d1626c21bd7aab1e7fc74a58 /drivers/media/common/tuners/tuner-xc2028.c
parentc868d550115b9ccc0027c67265b9520790f05601 (diff)
parent11c635a25b9f3a5d87409ce46cf2e05c500251ec (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (425 commits) V4L/DVB (11870): gspca - main: VIDIOC_ENUM_FRAMESIZES ioctl added. V4L/DVB (12004): poll method lose race condition V4L/DVB (11894): flexcop-pci: dmesg visible names broken V4L/DVB (11892): Siano: smsendian - declare function as extern V4L/DVB (11891): Siano: smscore - bind the GPIO SMS protocol V4L/DVB (11890): Siano: smscore - remove redundant code V4L/DVB (11889): Siano: smsdvb - add DVB v3 events V4L/DVB (11888): Siano: smsusb - remove redundant ifdef V4L/DVB (11887): Siano: smscards - add board (target) events V4L/DVB (11886): Siano: smscore - fix some new GPIO definitions names V4L/DVB (11885): Siano: Add new GPIO management interface V4L/DVB (11884): Siano: smssdio - revert to stand alone module V4L/DVB (11883): Siano: cards - add two additional (USB) devices V4L/DVB (11824): Siano: smsusb - change exit func debug msg V4L/DVB (11823): Siano: smsusb - fix typo in module description V4L/DVB (11822): Siano: smscore - bug fix at get_device_mode V4L/DVB (11821): Siano: smscore - fix isdb-t firmware name V4L/DVB (11820): Siano: smscore - fix byte ordering bug V4L/DVB (11819): Siano: smscore - fix get_common_buffer bug V4L/DVB (11818): Siano: smscards - assign gpio to HPG targets ...
Diffstat (limited to 'drivers/media/common/tuners/tuner-xc2028.c')
-rw-r--r--drivers/media/common/tuners/tuner-xc2028.c56
1 files changed, 31 insertions, 25 deletions
diff --git a/drivers/media/common/tuners/tuner-xc2028.c b/drivers/media/common/tuners/tuner-xc2028.c
index 7636c33bc1e9..b6da9c3873fe 100644
--- a/drivers/media/common/tuners/tuner-xc2028.c
+++ b/drivers/media/common/tuners/tuner-xc2028.c
@@ -30,7 +30,7 @@ MODULE_PARM_DESC(debug, "enable verbose debug messages");
static int no_poweroff;
module_param(no_poweroff, int, 0644);
-MODULE_PARM_DESC(debug, "0 (default) powers device off when not used.\n"
+MODULE_PARM_DESC(no_poweroff, "0 (default) powers device off when not used.\n"
"1 keep device energized and with tuner ready all the times.\n"
" Faster, but consumes more power and keeps the device hotter\n");
@@ -272,7 +272,7 @@ static int load_all_firmwares(struct dvb_frontend *fe)
fname = firmware_name;
tuner_dbg("Reading firmware %s\n", fname);
- rc = request_firmware(&fw, fname, &priv->i2c_props.adap->dev);
+ rc = request_firmware(&fw, fname, priv->i2c_props.adap->dev.parent);
if (rc < 0) {
if (rc == -ENOENT)
tuner_err("Error: firmware %s not found.\n",
@@ -917,22 +917,29 @@ static int generic_set_freq(struct dvb_frontend *fe, u32 freq /* in HZ */,
* that xc2028 will be in a safe state.
* Maybe this might also be needed for DTV.
*/
- if (new_mode == T_ANALOG_TV) {
+ if (new_mode == T_ANALOG_TV)
rc = send_seq(priv, {0x00, 0x00});
- } else if (priv->cur_fw.type & ATSC) {
- offset = 1750000;
- } else {
- offset = 2750000;
+
+ /*
+ * Digital modes require an offset to adjust to the
+ * proper frequency.
+ * Analog modes require offset = 0
+ */
+ if (new_mode == T_DIGITAL_TV) {
+ /* Sets the offset according with firmware */
+ if (priv->cur_fw.type & DTV6)
+ offset = 1750000;
+ else if (priv->cur_fw.type & DTV7)
+ offset = 2250000;
+ else /* DTV8 or DTV78 */
+ offset = 2750000;
+
/*
- * We must adjust the offset by 500kHz in two cases in order
- * to correctly center the IF output:
- * 1) When the ZARLINK456 or DIBCOM52 tables were explicitly
- * selected and a 7MHz channel is tuned;
- * 2) When tuning a VHF channel with DTV78 firmware.
+ * We must adjust the offset by 500kHz when
+ * tuning a 7MHz VHF channel with DTV78 firmware
+ * (used in Australia, Italy and Germany)
*/
- if (((priv->cur_fw.type & DTV7) &&
- (priv->cur_fw.scode_table & (ZARLINK456 | DIBCOM52))) ||
- ((priv->cur_fw.type & DTV78) && freq < 470000000))
+ if ((priv->cur_fw.type & DTV78) && freq < 470000000)
offset -= 500000;
}
@@ -991,7 +998,7 @@ static int xc2028_set_analog_freq(struct dvb_frontend *fe,
if (priv->ctrl.input1)
type |= INPUT1;
return generic_set_freq(fe, (625l * p->frequency) / 10,
- T_ANALOG_TV, type, 0, 0);
+ T_RADIO, type, 0, 0);
}
/* if std is not defined, choose one */
@@ -1022,21 +1029,20 @@ static int xc2028_set_params(struct dvb_frontend *fe,
switch(fe->ops.info.type) {
case FE_OFDM:
bw = p->u.ofdm.bandwidth;
- break;
- case FE_QAM:
- tuner_info("WARN: There are some reports that "
- "QAM 6 MHz doesn't work.\n"
- "If this works for you, please report by "
- "e-mail to: v4l-dvb-maintainer@linuxtv.org\n");
- bw = BANDWIDTH_6_MHZ;
- type |= QAM;
+ /*
+ * The only countries with 6MHz seem to be Taiwan/Uruguay.
+ * Both seem to require QAM firmware for OFDM decoding
+ * Tested in Taiwan by Terry Wu <terrywu2009@gmail.com>
+ */
+ if (bw == BANDWIDTH_6_MHZ)
+ type |= QAM;
break;
case FE_ATSC:
bw = BANDWIDTH_6_MHZ;
/* The only ATSC firmware (at least on v2.7) is D2633 */
type |= ATSC | D2633;
break;
- /* DVB-S is not supported */
+ /* DVB-S and pure QAM (FE_QAM) are not supported */
default:
return -EINVAL;
}