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Copyright (C) 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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#include <linux/signal.h>
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#include <linux/sched.h>
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#include <linux/interrupt.h>
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#include "dvb_demux.h"
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#include "dvb_frontend.h"
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#include "mantis_common.h"
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#include "mantis_ioc.h"
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#include "mantis_dvb.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 tda1002x_config vp2033_tda1002x_cu1216_config = {
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.demod_address = 0x18 >> 1,
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struct tda10023_config vp2033_tda10023_cu1216_config = {
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.demod_address = 0x18 >> 1,
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static u8 read_pwm(struct mantis_pci *mantis)
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struct i2c_adapter *adapter = &mantis->adapter;
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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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if ((i2c_transfer(adapter, msg, 2) != 2)
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static int tda1002x_cu1216_tuner_set(struct dvb_frontend *fe, struct dvb_frontend_parameters *params)
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struct mantis_pci *mantis = fe->dvb->priv;
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struct i2c_adapter *adapter = &mantis->adapter;
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struct i2c_msg msg = {.addr = 0x60, .flags = 0, .buf = buf, .len = sizeof(buf)};
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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[3] = (params->frequency < 150000000 ? 0x01 :
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params->frequency < 445000000 ? 0x02 : 0x04);
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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(adapter, &msg, 1) != 1)
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/* wait for the pll lock */
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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(adapter, &msg, 1) == 1 && (buf[0] & 0x40))
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/* switch the charge pump to the lower current */
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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(adapter, &msg, 1) != 1)
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static int vp2033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
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struct i2c_adapter *adapter = &mantis->adapter;
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err = mantis_frontend_power(mantis, POWER_ON);
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mantis_frontend_soft_reset(mantis);
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dprintk(MANTIS_ERROR, 1, "Probing for CU1216 (DVB-C)");
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fe = dvb_attach(tda10021_attach, &vp2033_tda1002x_cu1216_config,
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dprintk(MANTIS_ERROR, 1,
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"found Philips CU1216 DVB-C frontend (TDA10021) @ 0x%02x",
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vp2033_tda1002x_cu1216_config.demod_address);
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fe = dvb_attach(tda10023_attach, &vp2033_tda10023_cu1216_config,
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dprintk(MANTIS_ERROR, 1,
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"found Philips CU1216 DVB-C frontend (TDA10023) @ 0x%02x",
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vp2033_tda1002x_cu1216_config.demod_address);
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fe->ops.tuner_ops.set_params = tda1002x_cu1216_tuner_set;
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dprintk(MANTIS_ERROR, 1, "Mantis DVB-C Philips CU1216 frontend attach success");
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dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
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dprintk(MANTIS_DEBUG, 1, "Done!");
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struct mantis_hwconfig vp2033_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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.frontend_init = vp2033_frontend_init,