add2063684
Signed-off-by: Manu Abraham <manu@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
110 lines
2.7 KiB
C
110 lines
2.7 KiB
C
/*
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Mantis VP-2033 driver
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Copyright (C) 2005, 2006 Manu Abraham (abraham.manu@gmail.com)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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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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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., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "mantis_common.h"
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#include "mantis_vp2033.h"
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#define MANTIS_MODEL_NAME "VP-2033"
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#define MANTIS_DEV_TYPE "DVB-C"
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struct mantis_hwconfig vp2033_mantis_config = {
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.model_name = MANTIS_MODEL_NAME,
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.dev_type = MANTIS_DEV_TYPE,
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.ts_size = MANTIS_TS_204,
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.baud_rate = MANTIS_BAUD_9600,
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.parity = MANTIS_PARITY_NONE,
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.bytes = 0,
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};
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struct tda1002x_config philips_cu1216_config = {
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.demod_address = 0x18 >> 1,
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.invert = 1,
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};
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u8 read_pwm(struct mantis_pci *mantis)
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{
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u8 b = 0xff;
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u8 pwm;
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struct i2c_msg msg[] = {
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{.addr = 0x50,.flags = 0,.buf = &b,.len = 1},
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{.addr = 0x50,.flags = I2C_M_RD,.buf = &pwm,.len = 1}
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};
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if ((i2c_transfer(&mantis->adapter, msg, 2) != 2)
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|| (pwm == 0xff))
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pwm = 0x48;
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return pwm;
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}
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int philips_cu1216_tuner_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
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{
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struct mantis_pci *mantis = fe->dvb->priv;
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u8 buf[6];
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struct i2c_msg msg = {.addr = 0x60,.flags = 0,.buf = buf,.len = sizeof(buf) };
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int i;
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#define CU1216_IF 36125000
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#define TUNER_MUL 62500
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u32 div = (params->frequency + CU1216_IF + TUNER_MUL / 2) / TUNER_MUL;
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buf[0] = (div >> 8) & 0x7f;
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buf[1] = div & 0xff;
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buf[2] = 0xce;
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buf[3] = (params->frequency < 150000000 ? 0x01 :
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params->frequency < 445000000 ? 0x02 : 0x04);
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buf[4] = 0xde;
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buf[5] = 0x20;
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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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if (i2c_transfer(&mantis->adapter, &msg, 1) != 1)
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return -EIO;
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/* wait for the pll lock */
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msg.flags = I2C_M_RD;
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msg.len = 1;
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for (i = 0; i < 20; i++) {
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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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if (i2c_transfer(&mantis->adapter, &msg, 1) == 1 && (buf[0] & 0x40))
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break;
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msleep(10);
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}
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/* switch the charge pump to the lower current */
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msg.flags = 0;
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msg.len = 2;
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msg.buf = &buf[2];
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buf[2] &= ~0x40;
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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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if (i2c_transfer(&mantis->adapter, &msg, 1) != 1)
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return -EIO;
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return 0;
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}
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