mirror of https://gitee.com/openkylin/linux.git
109 lines
2.4 KiB
C
109 lines
2.4 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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Mantis VP-1034 driver
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Copyright (C) Manu Abraham (abraham.manu@gmail.com)
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*/
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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 <asm/io.h>
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#include <media/dmxdev.h>
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#include <media/dvbdev.h>
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#include <media/dvb_demux.h>
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#include <media/dvb_frontend.h>
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#include <media/dvb_net.h>
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#include "mb86a16.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_vp1034.h"
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#include "mantis_reg.h"
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static const struct mb86a16_config vp1034_mb86a16_config = {
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.demod_address = 0x08,
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.set_voltage = vp1034_set_voltage,
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};
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#define MANTIS_MODEL_NAME "VP-1034"
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#define MANTIS_DEV_TYPE "DVB-S/DSS"
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int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage)
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{
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struct mantis_pci *mantis = fe->dvb->priv;
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switch (voltage) {
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case SEC_VOLTAGE_13:
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dprintk(MANTIS_ERROR, 1, "Polarization=[13V]");
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mantis_gpio_set_bits(mantis, 13, 1);
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mantis_gpio_set_bits(mantis, 14, 0);
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break;
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case SEC_VOLTAGE_18:
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dprintk(MANTIS_ERROR, 1, "Polarization=[18V]");
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mantis_gpio_set_bits(mantis, 13, 1);
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mantis_gpio_set_bits(mantis, 14, 1);
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break;
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case SEC_VOLTAGE_OFF:
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dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");
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break;
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default:
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dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage);
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return -EINVAL;
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}
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mmwrite(0x00, MANTIS_GPIF_DOUT);
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return 0;
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}
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static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
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{
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struct i2c_adapter *adapter = &mantis->adapter;
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int err = 0;
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err = mantis_frontend_power(mantis, POWER_ON);
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if (err == 0) {
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mantis_frontend_soft_reset(mantis);
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msleep(250);
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dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)");
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fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter);
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if (fe) {
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dprintk(MANTIS_ERROR, 1,
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"found MB86A16 DVB-S/DSS frontend @0x%02x",
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vp1034_mb86a16_config.demod_address);
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} else {
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return -1;
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}
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} else {
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dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
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adapter->name,
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err);
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return -EIO;
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}
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mantis->fe = fe;
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dprintk(MANTIS_ERROR, 1, "Done!");
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return 0;
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}
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struct mantis_hwconfig vp1034_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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.frontend_init = vp1034_frontend_init,
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.power = GPIF_A12,
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.reset = GPIF_A13,
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};
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