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1// SPDX-License-Identifier: GPL-2.0-or-later2/*3 Mantis VP-1034 driver4 5 Copyright (C) Manu Abraham (abraham.manu@gmail.com)6 7*/8 9#include <linux/signal.h>10#include <linux/sched.h>11#include <linux/interrupt.h>12#include <asm/io.h>13 14#include <media/dmxdev.h>15#include <media/dvbdev.h>16#include <media/dvb_demux.h>17#include <media/dvb_frontend.h>18#include <media/dvb_net.h>19 20#include "mb86a16.h"21#include "mantis_common.h"22#include "mantis_ioc.h"23#include "mantis_dvb.h"24#include "mantis_vp1034.h"25#include "mantis_reg.h"26 27static const struct mb86a16_config vp1034_mb86a16_config = {28 .demod_address = 0x08,29 .set_voltage = vp1034_set_voltage,30};31 32#define MANTIS_MODEL_NAME "VP-1034"33#define MANTIS_DEV_TYPE "DVB-S/DSS"34 35int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)36{37 struct mantis_pci *mantis = fe->dvb->priv;38 39 switch (voltage) {40 case SEC_VOLTAGE_13:41 dprintk(MANTIS_ERROR, 1, "Polarization=[13V]");42 mantis_gpio_set_bits(mantis, 13, 1);43 mantis_gpio_set_bits(mantis, 14, 0);44 break;45 case SEC_VOLTAGE_18:46 dprintk(MANTIS_ERROR, 1, "Polarization=[18V]");47 mantis_gpio_set_bits(mantis, 13, 1);48 mantis_gpio_set_bits(mantis, 14, 1);49 break;50 case SEC_VOLTAGE_OFF:51 dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");52 break;53 default:54 dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage);55 return -EINVAL;56 }57 mmwrite(0x00, MANTIS_GPIF_DOUT);58 59 return 0;60}61 62static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)63{64 struct i2c_adapter *adapter = &mantis->adapter;65 66 int err = 0;67 68 err = mantis_frontend_power(mantis, POWER_ON);69 if (err == 0) {70 mantis_frontend_soft_reset(mantis);71 msleep(250);72 73 dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)");74 fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter);75 if (fe) {76 dprintk(MANTIS_ERROR, 1,77 "found MB86A16 DVB-S/DSS frontend @0x%02x",78 vp1034_mb86a16_config.demod_address);79 80 } else {81 return -1;82 }83 } else {84 dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",85 adapter->name,86 err);87 88 return -EIO;89 }90 mantis->fe = fe;91 dprintk(MANTIS_ERROR, 1, "Done!");92 93 return 0;94}95 96struct mantis_hwconfig vp1034_config = {97 .model_name = MANTIS_MODEL_NAME,98 .dev_type = MANTIS_DEV_TYPE,99 .ts_size = MANTIS_TS_204,100 101 .baud_rate = MANTIS_BAUD_9600,102 .parity = MANTIS_PARITY_NONE,103 .bytes = 0,104 105 .frontend_init = vp1034_frontend_init,106 .power = GPIF_A12,107 .reset = GPIF_A13,108};109