mantis_vp1034.c

  1// SPDX-License-Identifier: GPL-2.0-or-later
  2/*
  3	Mantis VP-1034 driver
  4
  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};