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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-08-13 23:13:41 -0300 |
| commit | 9a0bf528b4d66b605f02634236da085595c22101 (patch) | |
| tree | e9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb-frontends/z0194a.h | |
| parent | 3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff) | |
| download | linux-9a0bf528b4d66b605f02634236da085595c22101.tar.bz2 | |
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove
the drivers/media/dvb directory.
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb-frontends/z0194a.h')
| -rw-r--r-- | drivers/media/dvb-frontends/z0194a.h | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/z0194a.h b/drivers/media/dvb-frontends/z0194a.h new file mode 100644 index 000000000000..96d86d6eb473 --- /dev/null +++ b/drivers/media/dvb-frontends/z0194a.h @@ -0,0 +1,85 @@ +/* z0194a.h Sharp z0194a tuner support +* +* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by) +* +* 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, version 2. +* +* see Documentation/dvb/README.dvb-usb for more information +*/ + +#ifndef Z0194A +#define Z0194A + +static int sharp_z0194a_set_symbol_rate(struct dvb_frontend *fe, + u32 srate, u32 ratio) +{ + u8 aclk = 0; + u8 bclk = 0; + + if (srate < 1500000) { + aclk = 0xb7; bclk = 0x47; } + else if (srate < 3000000) { + aclk = 0xb7; bclk = 0x4b; } + else if (srate < 7000000) { + aclk = 0xb7; bclk = 0x4f; } + else if (srate < 14000000) { + aclk = 0xb7; bclk = 0x53; } + else if (srate < 30000000) { + aclk = 0xb6; bclk = 0x53; } + else if (srate < 45000000) { + aclk = 0xb4; bclk = 0x51; } + + stv0299_writereg(fe, 0x13, aclk); + stv0299_writereg(fe, 0x14, bclk); + stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); + stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); + stv0299_writereg(fe, 0x21, (ratio) & 0xf0); + + return 0; +} + +static u8 sharp_z0194a_inittab[] = { + 0x01, 0x15, + 0x02, 0x30, + 0x03, 0x00, + 0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */ + 0x05, 0x35, /* I2CT = 0, SCLT = 1, SDAT = 1 */ + 0x06, 0x40, /* DAC not used, set to high impendance mode */ + 0x07, 0x00, /* DAC LSB */ + 0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */ + 0x09, 0x00, /* FIFO */ + 0x0c, 0x51, /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */ + 0x0d, 0x82, /* DC offset compensation = ON, beta_agc1 = 2 */ + 0x0e, 0x23, /* alpha_tmg = 2, beta_tmg = 3 */ + 0x10, 0x3f, /* AGC2 0x3d */ + 0x11, 0x84, + 0x12, 0xb9, + 0x15, 0xc9, /* lock detector threshold */ + 0x16, 0x00, + 0x17, 0x00, + 0x18, 0x00, + 0x19, 0x00, + 0x1a, 0x00, + 0x1f, 0x50, + 0x20, 0x00, + 0x21, 0x00, + 0x22, 0x00, + 0x23, 0x00, + 0x28, 0x00, /* out imp: normal out type: parallel FEC mode:0 */ + 0x29, 0x1e, /* 1/2 threshold */ + 0x2a, 0x14, /* 2/3 threshold */ + 0x2b, 0x0f, /* 3/4 threshold */ + 0x2c, 0x09, /* 5/6 threshold */ + 0x2d, 0x05, /* 7/8 threshold */ + 0x2e, 0x01, + 0x31, 0x1f, /* test all FECs */ + 0x32, 0x19, /* viterbi and synchro search */ + 0x33, 0xfc, /* rs control */ + 0x34, 0x93, /* error control */ + 0x0f, 0x52, + 0xff, 0xff +}; + +#endif |