1/*
2	Mantis VP-1034 driver
3
4	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
5
6	This program is free software; you can redistribute it and/or modify
7	it under the terms of the GNU General Public License as published by
8	the Free Software Foundation; either version 2 of the License, or
9	(at your option) any later version.
10
11	This program is distributed in the hope that it will be useful,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	GNU General Public License for more details.
15
16	You should have received a copy of the GNU General Public License
17	along with this program; if not, write to the Free Software
18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
21#include <linux/signal.h>
22#include <linux/sched.h>
23#include <linux/interrupt.h>
24#include <asm/io.h>
25
26#include "dmxdev.h"
27#include "dvbdev.h"
28#include "dvb_demux.h"
29#include "dvb_frontend.h"
30#include "dvb_net.h"
31
32#include "mb86a16.h"
33#include "mantis_common.h"
34#include "mantis_ioc.h"
35#include "mantis_dvb.h"
36#include "mantis_vp1034.h"
37#include "mantis_reg.h"
38
39static struct mb86a16_config vp1034_mb86a16_config = {
40	.demod_address	= 0x08,
41	.set_voltage	= vp1034_set_voltage,
42};
43
44#define MANTIS_MODEL_NAME	"VP-1034"
45#define MANTIS_DEV_TYPE		"DVB-S/DSS"
46
47int vp1034_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t voltage)
48{
49	struct mantis_pci *mantis = fe->dvb->priv;
50
51	switch (voltage) {
52	case SEC_VOLTAGE_13:
53		dprintk(MANTIS_ERROR, 1, "Polarization=[13V]");
54		mantis_gpio_set_bits(mantis, 13, 1);
55		mantis_gpio_set_bits(mantis, 14, 0);
56		break;
57	case SEC_VOLTAGE_18:
58		dprintk(MANTIS_ERROR, 1, "Polarization=[18V]");
59		mantis_gpio_set_bits(mantis, 13, 1);
60		mantis_gpio_set_bits(mantis, 14, 1);
61		break;
62	case SEC_VOLTAGE_OFF:
63		dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN");
64		break;
65	default:
66		dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage);
67		return -EINVAL;
68	}
69	mmwrite(0x00, MANTIS_GPIF_DOUT);
70
71	return 0;
72}
73
74static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
75{
76	struct i2c_adapter *adapter	= &mantis->adapter;
77
78	int err = 0;
79
80	err = mantis_frontend_power(mantis, POWER_ON);
81	if (err == 0) {
82		mantis_frontend_soft_reset(mantis);
83		msleep(250);
84
85		dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)");
86		fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter);
87		if (fe) {
88			dprintk(MANTIS_ERROR, 1,
89			"found MB86A16 DVB-S/DSS frontend @0x%02x",
90			vp1034_mb86a16_config.demod_address);
91
92		} else {
93			return -1;
94		}
95	} else {
96		dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
97			adapter->name,
98			err);
99
100		return -EIO;
101	}
102	mantis->fe = fe;
103	dprintk(MANTIS_ERROR, 1, "Done!");
104
105	return 0;
106}
107
108struct mantis_hwconfig vp1034_config = {
109	.model_name	= MANTIS_MODEL_NAME,
110	.dev_type	= MANTIS_DEV_TYPE,
111	.ts_size	= MANTIS_TS_204,
112
113	.baud_rate	= MANTIS_BAUD_9600,
114	.parity		= MANTIS_PARITY_NONE,
115	.bytes		= 0,
116
117	.frontend_init	= vp1034_frontend_init,
118	.power		= GPIF_A12,
119	.reset		= GPIF_A13,
120};
121