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V4L/DVB (3532): Moved duplicated code of ALPS BSRU6 tuner to a standa…
…lone file. Moved duplicated code of ALPS BSRU6 tuner to a standalone file. Modified av7110 and budget drivers to include the new file. Signed-off-by: Perceval Anichini <perceval.anichini@streamvision.fr> Signed-off-by: Oliver Endriss <o.endriss@gmx.de> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Perceval Anichini
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Linus Torvalds
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Mar 21, 2006
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| /* | ||
| * bsru6.h - ALPS BSRU6 tuner support (moved from budget-ci.c) | ||
| * | ||
| * 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 BSRU6_H | ||
| #define BSRU6_H | ||
|
|
||
| static u8 alps_bsru6_inittab[] = { | ||
| 0x01, 0x15, | ||
| 0x02, 0x00, | ||
| 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 | ||
| }; | ||
|
|
||
| static int alps_bsru6_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); | ||
|
|
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| return 0; | ||
| } | ||
|
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| static int alps_bsru6_pll_set(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dvb_frontend_parameters *params) | ||
| { | ||
| u8 buf[4]; | ||
| u32 div; | ||
| struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf) }; | ||
|
|
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| if ((params->frequency < 950000) || (params->frequency > 2150000)) | ||
| return -EINVAL; | ||
|
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| div = (params->frequency + (125 - 1)) / 125; // round correctly | ||
| buf[0] = (div >> 8) & 0x7f; | ||
| buf[1] = div & 0xff; | ||
| buf[2] = 0x80 | ((div & 0x18000) >> 10) | 4; | ||
| buf[3] = 0xC4; | ||
|
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| if (params->frequency > 1530000) | ||
| buf[3] = 0xc0; | ||
|
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| if (i2c_transfer(i2c, &msg, 1) != 1) | ||
| return -EIO; | ||
| return 0; | ||
| } | ||
|
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| static struct stv0299_config alps_bsru6_config = { | ||
| .demod_address = 0x68, | ||
| .inittab = alps_bsru6_inittab, | ||
| .mclk = 88000000UL, | ||
| .invert = 1, | ||
| .skip_reinit = 0, | ||
| .lock_output = STV0229_LOCKOUTPUT_1, | ||
| .volt13_op0_op1 = STV0299_VOLT13_OP1, | ||
| .min_delay_ms = 100, | ||
| .set_symbol_rate = alps_bsru6_set_symbol_rate, | ||
| .pll_set = alps_bsru6_pll_set, | ||
| }; | ||
|
|
||
| #endif |
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