Thomas Gleixner | a0c7056 | 2019-05-23 11:14:50 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 2 | /* |
Oliver Endriss | 94ad6de | 2008-04-20 20:41:42 -0300 | [diff] [blame] | 3 | * bsbe1.h - ALPS BSBE1 tuner support |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 4 | * |
Mauro Carvalho Chehab | 991ce92 | 2015-12-04 10:38:59 -0200 | [diff] [blame] | 5 | * the project's page is at https://linuxtv.org |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 6 | */ |
| 7 | |
| 8 | #ifndef BSBE1_H |
| 9 | #define BSBE1_H |
| 10 | |
| 11 | static u8 alps_bsbe1_inittab[] = { |
Oliver Endriss | 94ad6de | 2008-04-20 20:41:42 -0300 | [diff] [blame] | 12 | 0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */ |
| 13 | 0x02, 0x30, /* MCLK = 88 MHz */ |
| 14 | 0x03, 0x00, /* ACR output 0 */ |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 15 | 0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */ |
Oliver Endriss | 94ad6de | 2008-04-20 20:41:42 -0300 | [diff] [blame] | 16 | 0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */ |
| 17 | 0x06, 0x00, /* DAC output 0 */ |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 18 | 0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */ |
| 19 | 0x09, 0x00, /* FIFO */ |
Oliver Endriss | 94ad6de | 2008-04-20 20:41:42 -0300 | [diff] [blame] | 20 | 0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */ |
| 21 | 0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */ |
| 22 | 0x0f, 0x92, /* AGC1R */ |
| 23 | 0x10, 0x34, /* AGC2O */ |
| 24 | 0x11, 0x84, /* TLSR */ |
| 25 | 0x12, 0xb9, /* CFD */ |
| 26 | 0x15, 0xc9, /* lock detector threshold */ |
| 27 | 0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */ |
| 28 | 0x33, 0xfc, /* RS control */ |
| 29 | 0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */ |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 30 | 0xff, 0xff |
| 31 | }; |
| 32 | |
| 33 | |
| 34 | static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio) |
| 35 | { |
| 36 | u8 aclk = 0; |
| 37 | u8 bclk = 0; |
| 38 | |
| 39 | if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; } |
| 40 | else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; } |
| 41 | else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; } |
| 42 | else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; } |
| 43 | else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; } |
| 44 | else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; } |
| 45 | |
| 46 | stv0299_writereg(fe, 0x13, aclk); |
| 47 | stv0299_writereg(fe, 0x14, bclk); |
| 48 | stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); |
| 49 | stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); |
| 50 | stv0299_writereg(fe, 0x21, (ratio ) & 0xf0); |
| 51 | |
| 52 | return 0; |
| 53 | } |
| 54 | |
Mauro Carvalho Chehab | 14d24d1 | 2011-12-24 12:24:33 -0300 | [diff] [blame] | 55 | static int alps_bsbe1_tuner_set_params(struct dvb_frontend *fe) |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 56 | { |
Mauro Carvalho Chehab | e7e10de | 2011-12-23 18:27:35 -0300 | [diff] [blame] | 57 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 58 | int ret; |
| 59 | u8 data[4]; |
| 60 | u32 div; |
| 61 | struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) }; |
Andrew de Quincey | c72bf90 | 2006-04-18 17:47:11 -0300 | [diff] [blame] | 62 | struct i2c_adapter *i2c = fe->tuner_priv; |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 63 | |
Mauro Carvalho Chehab | e7e10de | 2011-12-23 18:27:35 -0300 | [diff] [blame] | 64 | if ((p->frequency < 950000) || (p->frequency > 2150000)) |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 65 | return -EINVAL; |
| 66 | |
Mauro Carvalho Chehab | e7e10de | 2011-12-23 18:27:35 -0300 | [diff] [blame] | 67 | div = p->frequency / 1000; |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 68 | data[0] = (div >> 8) & 0x7f; |
| 69 | data[1] = div & 0xff; |
Oliver Endriss | 94ad6de | 2008-04-20 20:41:42 -0300 | [diff] [blame] | 70 | data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1; |
| 71 | data[3] = 0xe0; |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 72 | |
Patrick Boettcher | dea7486 | 2006-05-14 05:01:31 -0300 | [diff] [blame] | 73 | if (fe->ops.i2c_gate_ctrl) |
| 74 | fe->ops.i2c_gate_ctrl(fe, 1); |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 75 | ret = i2c_transfer(i2c, &msg, 1); |
| 76 | return (ret != 1) ? -EIO : 0; |
| 77 | } |
| 78 | |
| 79 | static struct stv0299_config alps_bsbe1_config = { |
| 80 | .demod_address = 0x68, |
| 81 | .inittab = alps_bsbe1_inittab, |
| 82 | .mclk = 88000000UL, |
| 83 | .invert = 1, |
| 84 | .skip_reinit = 0, |
| 85 | .min_delay_ms = 100, |
| 86 | .set_symbol_rate = alps_bsbe1_set_symbol_rate, |
Oliver Endriss | 2f27bdc | 2006-02-28 09:31:16 -0300 | [diff] [blame] | 87 | }; |
| 88 | |
| 89 | #endif |