aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/dvb/mantis/mantis_vp1033.c
blob: 4a723bda0031197f8cd897d0383cc670e7960f09 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
/*
	Mantis VP-1033 driver

	Copyright (C) Manu Abraham (abraham.manu@gmail.com)

	This program is free software; you can redistribute it and/or modify
	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include <linux/signal.h>
#include <linux/sched.h>
#include <linux/interrupt.h>

#include "dmxdev.h"
#include "dvbdev.h"
#include "dvb_demux.h"
#include "dvb_frontend.h"
#include "dvb_net.h"

#include "stv0299.h"
#include "mantis_common.h"
#include "mantis_ioc.h"
#include "mantis_dvb.h"
#include "mantis_vp1033.h"
#include "mantis_reg.h"

u8 lgtdqcs001f_inittab[] = {
	0x01, 0x15,
	0x02, 0x00,
	0x03, 0x00,
	0x04, 0x2a,
	0x05, 0x85,
	0x06, 0x02,
	0x07, 0x00,
	0x08, 0x00,
	0x0c, 0x01,
	0x0d, 0x81,
	0x0e, 0x44,
	0x0f, 0x94,
	0x10, 0x3c,
	0x11, 0x84,
	0x12, 0xb9,
	0x13, 0xb5,
	0x14, 0x4f,
	0x15, 0xc9,
	0x16, 0x80,
	0x17, 0x36,
	0x18, 0xfb,
	0x19, 0xcf,
	0x1a, 0xbc,
	0x1c, 0x2b,
	0x1d, 0x27,
	0x1e, 0x00,
	0x1f, 0x0b,
	0x20, 0xa1,
	0x21, 0x60,
	0x22, 0x00,
	0x23, 0x00,
	0x28, 0x00,
	0x29, 0x28,
	0x2a, 0x14,
	0x2b, 0x0f,
	0x2c, 0x09,
	0x2d, 0x05,
	0x31, 0x1f,
	0x32, 0x19,
	0x33, 0xfc,
	0x34, 0x13,
	0xff, 0xff,
};

#define MANTIS_MODEL_NAME	"VP-1033"
#define MANTIS_DEV_TYPE		"DVB-S/DSS"

int lgtdqcs001f_tuner_set(struct dvb_frontend *fe,
			  struct dvb_frontend_parameters *params)
{
	struct mantis_pci *mantis	= fe->dvb->priv;
	struct i2c_adapter *adapter	= &mantis->adapter;

	u8 buf[4];
	u32 div;


	struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)};

	div = params->frequency / 250;

	buf[0] = (div >> 8) & 0x7f;
	buf[1] =  div & 0xff;
	buf[2] =  0x83;
	buf[3] =  0xc0;

	if (params->frequency < 1531000)
		buf[3] |= 0x04;
	else
		buf[3] &= ~0x04;
	if (i2c_transfer(adapter, &msg, 1) < 0) {
		dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed");
		return -EIO;
	}
	msleep_interruptible(100);

	return 0;
}

int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe,
				u32 srate, u32 ratio)
{
	u8 aclk = 0;
	u8 bclk = 0;

	if (srate < 1500000) {
		aclk = 0xb7;
		bclk = 0x47;
	} else if (srate < 3000000) {
		aclk = 0xb7;
		bclk = 0x4b;
	} else if (srate < 7000000) {
		aclk = 0xb7;
		bclk = 0x4f;
	} else if (srate < 14000000) {
		aclk = 0xb7;
		bclk = 0x53;
	} else if (srate < 30000000) {
		aclk = 0xb6;
		bclk = 0x53;
	} else if (srate < 45000000) {
		aclk = 0xb4;
		bclk = 0x51;
	}
	stv0299_writereg(fe, 0x13, aclk);
	stv0299_writereg(fe, 0x14, bclk);

	stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
	stv0299_writereg(fe, 0x20, (ratio >>  8) & 0xff);
	stv0299_writereg(fe, 0x21,  ratio & 0xf0);

	return 0;
}

struct stv0299_config lgtdqcs001f_config = {
	.demod_address		= 0x68,
	.inittab		= lgtdqcs001f_inittab,
	.mclk			= 88000000UL,
	.invert			= 0,
	.skip_reinit		= 0,
	.volt13_op0_op1		= STV0299_VOLT13_OP0,
	.min_delay_ms		= 100,
	.set_symbol_rate	= lgtdqcs001f_set_symbol_rate,
};

static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe)
{
	struct i2c_adapter *adapter	= &mantis->adapter;

	int err = 0;

	err = mantis_frontend_power(mantis, POWER_ON);
	if (err == 0) {
		mantis_frontend_soft_reset(mantis);
		msleep(250);

		dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)");
		fe = stv0299_attach(&lgtdqcs001f_config, adapter);

		if (fe) {
			fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set;
			dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x",
				lgtdqcs001f_config.demod_address);

			dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success");
		} else {
			return -1;
		}
	} else {
		dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>",
			adapter->name,
			err);

		return -EIO;
	}
	mantis->fe = fe;
	dprintk(MANTIS_ERROR, 1, "Done!");

	return 0;
}

struct mantis_hwconfig vp1033_config = {
	.model_name		= MANTIS_MODEL_NAME,
	.dev_type		= MANTIS_DEV_TYPE,
	.ts_size		= MANTIS_TS_204,

	.baud_rate		= MANTIS_BAUD_9600,
	.parity			= MANTIS_PARITY_NONE,
	.bytes			= 0,

	.frontend_init		= vp1033_frontend_init,
	.power			= GPIF_A12,
	.reset			= GPIF_A13,
};