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 
39 static const 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 
47 int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage 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 
74 static 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 
108 struct 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