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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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991ce92f8d
While https was always supported on linuxtv.org, only in Dec 3 2015 the website is using valid certificates. As we're planning to drop pure http support on some future, change all references at the media subsystem to point to the https URL instead. Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
106 lines
3.3 KiB
C
106 lines
3.3 KiB
C
/*
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* bsbe1.h - ALPS BSBE1 tuner support
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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* Or, point your browser to http://www.gnu.org/copyleft/gpl.html
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*
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*
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* the project's page is at https://linuxtv.org
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*/
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#ifndef BSBE1_H
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#define BSBE1_H
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static u8 alps_bsbe1_inittab[] = {
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0x01, 0x15, /* XTAL = 4MHz, VCO = 352 MHz */
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0x02, 0x30, /* MCLK = 88 MHz */
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0x03, 0x00, /* ACR output 0 */
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0x04, 0x7d, /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
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0x05, 0x05, /* I2CT = 0, SCLT = 1, SDAT = 1 */
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0x06, 0x00, /* DAC output 0 */
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0x08, 0x40, /* DiSEqC off, LNB power on OP2/LOCK pin on */
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0x09, 0x00, /* FIFO */
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0x0c, 0x51, /* OP1/OP0 normal, val = 1 (LNB power on) */
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0x0d, 0x82, /* DC offset compensation = on, beta_agc1 = 2 */
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0x0f, 0x92, /* AGC1R */
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0x10, 0x34, /* AGC2O */
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0x11, 0x84, /* TLSR */
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0x12, 0xb9, /* CFD */
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0x15, 0xc9, /* lock detector threshold */
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0x28, 0x00, /* out imp: normal, type: parallel, FEC mode: QPSK */
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0x33, 0xfc, /* RS control */
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0x34, 0x93, /* count viterbi bit errors per 2E18 bytes */
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0xff, 0xff
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};
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static int alps_bsbe1_set_symbol_rate(struct dvb_frontend* fe, u32 srate, u32 ratio)
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{
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u8 aclk = 0;
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u8 bclk = 0;
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if (srate < 1500000) { aclk = 0xb7; bclk = 0x47; }
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else if (srate < 3000000) { aclk = 0xb7; bclk = 0x4b; }
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else if (srate < 7000000) { aclk = 0xb7; bclk = 0x4f; }
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else if (srate < 14000000) { aclk = 0xb7; bclk = 0x53; }
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else if (srate < 30000000) { aclk = 0xb6; bclk = 0x53; }
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else if (srate < 45000000) { aclk = 0xb4; bclk = 0x51; }
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stv0299_writereg(fe, 0x13, aclk);
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stv0299_writereg(fe, 0x14, bclk);
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stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
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stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
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stv0299_writereg(fe, 0x21, (ratio ) & 0xf0);
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return 0;
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}
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static int alps_bsbe1_tuner_set_params(struct dvb_frontend *fe)
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{
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struct dtv_frontend_properties *p = &fe->dtv_property_cache;
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int ret;
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u8 data[4];
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u32 div;
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struct i2c_msg msg = { .addr = 0x61, .flags = 0, .buf = data, .len = sizeof(data) };
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struct i2c_adapter *i2c = fe->tuner_priv;
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if ((p->frequency < 950000) || (p->frequency > 2150000))
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return -EINVAL;
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div = p->frequency / 1000;
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data[0] = (div >> 8) & 0x7f;
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data[1] = div & 0xff;
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data[2] = 0x80 | ((div & 0x18000) >> 10) | 0x1;
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data[3] = 0xe0;
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if (fe->ops.i2c_gate_ctrl)
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fe->ops.i2c_gate_ctrl(fe, 1);
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ret = i2c_transfer(i2c, &msg, 1);
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return (ret != 1) ? -EIO : 0;
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}
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static struct stv0299_config alps_bsbe1_config = {
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.demod_address = 0x68,
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.inittab = alps_bsbe1_inittab,
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.mclk = 88000000UL,
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.invert = 1,
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.skip_reinit = 0,
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.min_delay_ms = 100,
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.set_symbol_rate = alps_bsbe1_set_symbol_rate,
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};
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#endif
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