diff options
| author | Oliver Endriss <o.endriss@gmx.de> | 2008-04-20 20:41:42 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 14:09:45 -0300 |
| commit | 94ad6de7051a9eb6beda096144c5b409538eab86 (patch) | |
| tree | 1fc49f4ba23895e4497a138bcced834d74b73b1d /drivers/media | |
| parent | a095be4b030cd7eb5ac2a7dcb86e803db149a8db (diff) | |
| download | linux-94ad6de7051a9eb6beda096144c5b409538eab86.tar.gz | |
V4L/DVB (7660): bsbe1: Use settings recommended by the manufacturer
Reworked the BSBE1 tuner support in bsbe1.h to follow
the ALPS-recommended parameters more closely.
Tested with BSBE1-based Activy cards and TT DVB-S rev 2.3.
Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/dvb/frontends/bsbe1.h | 58 |
1 files changed, 19 insertions, 39 deletions
diff --git a/drivers/media/dvb/frontends/bsbe1.h b/drivers/media/dvb/frontends/bsbe1.h index d8f65738e5d2..5e431ebd089b 100644 --- a/drivers/media/dvb/frontends/bsbe1.h +++ b/drivers/media/dvb/frontends/bsbe1.h @@ -1,5 +1,5 @@ /* - * bsbe1.h - ALPS BSBE1 tuner support (moved from av7110.c) + * bsbe1.h - ALPS BSBE1 tuner support * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -26,44 +26,24 @@ #define BSBE1_H static u8 alps_bsbe1_inittab[] = { - 0x01, 0x15, - 0x02, 0x30, - 0x03, 0x00, + 0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */ + 0x02, 0x30, /* MCLK = 88 MHz */ + 0x03, 0x00, /* ACR output 0 */ 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 */ + 0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */ + 0x06, 0x00, /* DAC output 0 */ 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, 0x92, + 0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */ + 0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */ + 0x0f, 0x92, /* AGC1R */ + 0x10, 0x34, /* AGC2O */ + 0x11, 0x84, /* TLSR */ + 0x12, 0xb9, /* CFD */ + 0x15, 0xc9, /* lock detector threshold */ + 0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */ + 0x33, 0xfc, /* RS control */ + 0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */ 0xff, 0xff }; @@ -100,11 +80,11 @@ static int alps_bsbe1_tuner_set_params(struct dvb_frontend* fe, struct dvb_front if ((params->frequency < 950000) || (params->frequency > 2150000)) return -EINVAL; - div = (params->frequency + (125 - 1)) / 125; // round correctly + div = params->frequency / 1000; data[0] = (div >> 8) & 0x7f; data[1] = div & 0xff; - data[2] = 0x80 | ((div & 0x18000) >> 10) | 4; - data[3] = (params->frequency > 1530000) ? 0xE0 : 0xE4; + data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1; + data[3] = 0xe0; if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); |