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};
109