diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 14:03:59 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-10-13 14:03:59 -0700 |
| commit | cf2fa66055d718ae13e62451bb546505f63906a2 (patch) | |
| tree | e206d3f04e74a34e9aa88d21af6c26eea21d4121 /drivers/media/dvb/frontends/tdhd1.h | |
| parent | 4501a466f28788485604ee42641d7a5fe7258d16 (diff) | |
| parent | 57f51dbc45f65f7ee1e8c8f77200bb8000e3e271 (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: (313 commits)
V4L/DVB (9186): Added support for Prof 7300 DVB-S/S2 cards
V4L/DVB (9185): S2API: Ensure we have a reasonable ROLLOFF default
V4L/DVB (9184): cx24116: Change the default SNR units back to percentage by default.
V4L/DVB (9183): S2API: Return error of the caller provides 0 commands.
V4L/DVB (9182): S2API: Added support for DTV_HIERARCHY
V4L/DVB (9181): S2API: Add support fot DTV_GUARD_INTERVAL and DTV_TRANSMISSION_MODE
V4L/DVB (9180): S2API: Added support for DTV_CODE_RATE_HP/LP
V4L/DVB (9179): S2API: frontend.h cleanup
V4L/DVB (9178): cx24116: Add module parameter to return SNR as ESNO.
V4L/DVB (9177): S2API: Change _8PSK / _16APSK to PSK_8 and APSK_16
V4L/DVB (9176): Add support for DvbWorld USB cards with STV0288 demodulator.
V4L/DVB (9175): Remove NULL pointer in stb6000 driver.
V4L/DVB (9174): Allow custom inittab for ST STV0288 demodulator.
V4L/DVB (9173): S2API: Remove the hardcoded command limit during validation
V4L/DVB (9172): S2API: Bugfix related to DVB-S / DVB-S2 tuning for the legacy API.
V4L/DVB (9171): S2API: Stop an OOPS if illegal commands are dumped in S2API.
V4L/DVB (9170): cx24116: Sanity checking to data input via S2API to the cx24116 demod.
V4L/DVB (9169): uvcvideo: Support two new Bison Electronics webcams.
V4L/DVB (9168): Add support for MSI TV@nywhere Plus remote
V4L/DVB: v4l2-dev: remove duplicated #include
...
Diffstat (limited to 'drivers/media/dvb/frontends/tdhd1.h')
| -rw-r--r-- | drivers/media/dvb/frontends/tdhd1.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/tdhd1.h b/drivers/media/dvb/frontends/tdhd1.h new file mode 100644 index 000000000000..51f170678650 --- /dev/null +++ b/drivers/media/dvb/frontends/tdhd1.h @@ -0,0 +1,73 @@ +/* + * tdhd1.h - ALPS TDHD1-204A tuner support + * + * Copyright (C) 2008 Oliver Endriss <o.endriss@gmx.de> + * + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + * + * + * The project's page is at http://www.linuxtv.org + */ + +#ifndef TDHD1_H +#define TDHD1_H + +#include "tda1004x.h" + +static int alps_tdhd1_204_request_firmware(struct dvb_frontend *fe, const struct firmware **fw, char *name); + +static struct tda1004x_config alps_tdhd1_204a_config = { + .demod_address = 0x8, + .invert = 1, + .invert_oclk = 0, + .xtal_freq = TDA10046_XTAL_4M, + .agc_config = TDA10046_AGC_DEFAULT, + .if_freq = TDA10046_FREQ_3617, + .request_firmware = alps_tdhd1_204_request_firmware +}; + +static int alps_tdhd1_204a_tuner_set_params(struct dvb_frontend *fe, struct dvb_frontend_parameters *params) +{ + struct i2c_adapter *i2c = fe->tuner_priv; + u8 data[4]; + struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; + u32 div; + + div = (params->frequency + 36166666) / 166666; + + data[0] = (div >> 8) & 0x7f; + data[1] = div & 0xff; + data[2] = 0x85; + + if (params->frequency >= 174000000 && params->frequency <= 230000000) + data[3] = 0x02; + else if (params->frequency >= 470000000 && params->frequency <= 823000000) + data[3] = 0x0C; + else if (params->frequency > 823000000 && params->frequency <= 862000000) + data[3] = 0x8C; + else + return -EINVAL; + + if (fe->ops.i2c_gate_ctrl) + fe->ops.i2c_gate_ctrl(fe, 1); + if (i2c_transfer(i2c, &msg, 1) != 1) + return -EIO; + + return 0; +} + +#endif /* TDHD1_H */ |
