source: tools/multituner.p207/socket/socket.c @ 8433

Last change on this file since 8433 was 8433, checked in by obi, 13 years ago

[tools] add multituner.p207

File size: 4.5 KB
Line 
1/*
2 * @brief socket.c
3 *
4 * @author konfetti
5 *
6 * @brief handling of mixed tuner's in one box.
7 *
8 *      Copyright (C) 2011 duckbox project
9 *
10 *  This program is free software; you can redistribute it and/or modify
11 *  it under the terms of the GNU General Public License as published by
12 *  the Free Software Foundation; either version 2 of the License, or
13 *  (at your option) any later version.
14 *
15 *  This program is distributed in the hope that it will be useful,
16 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
17 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 *  GNU General Public License for more details.
19 *
20 *  You should have received a copy of the GNU General Public License
21 *  along with this program; if not, write to the Free Software
22 *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 */
24
25#include <linux/slab.h>
26#include <linux/kernel.h>
27#include <linux/module.h>
28#include <linux/moduleparam.h>
29#include <linux/init.h>
30#include <linux/firmware.h>
31#include <linux/platform_device.h>
32#include <linux/dvb/version.h>
33#include <linux/version.h>
34
35#include "socket.h"
36
37static int           numSockets = 0;
38struct socket_s*     sockets = NULL;
39struct dvb_adapter*  adapter = NULL;
40
41#define cMaxFrontends   8
42
43static int           numFrontends = 0;
44struct frontend_s    frontends[cMaxFrontends];
45
46void addFrontend(struct frontend_s* frontend)
47{
48    frontends[numFrontends] = *frontend;
49    numFrontends++;
50}
51
52/* ******************************* */
53/* public functions                */
54/* ******************************* */
55 
56/* will be called from the demods/frontends device probe function */
57int socket_register_frontend(struct frontend_s* frontend)
58{
59    if (numFrontends + 1 == cMaxFrontends)
60    {
61        printk("maximum number frontends reached\n");
62        return -1;
63    }
64   
65    addFrontend(frontend);
66    return 0;
67}
68
69EXPORT_SYMBOL(socket_register_frontend);
70 
71/* will be called from stmdvb.ko */
72int socket_register_adapter(struct dvb_adapter* _adapter)
73{
74    int i, j;
75   
76    if (adapter != NULL)
77    {
78        printk("%s: already in use\n", __func__);
79        return -ENODEV;
80    }
81   
82    adapter = _adapter;
83   
84    for (i = 0;i < numSockets; i++)
85    {
86        for (j = 0; j < numFrontends; j++)
87        {
88            if (frontends[j].demod_detect(&sockets[i], &frontends[j]) == 0)
89            {
90                printk("found %s on socket %s\n", frontends[j].name, sockets[i].name);
91               
92                frontends[j].demod_attach(adapter, &sockets[i], &frontends[j]);
93                break;
94            }
95        }
96    }
97
98    return 0;
99}
100EXPORT_SYMBOL(socket_register_adapter);
101
102/* ******************************* */
103/* driver functions                */
104/* ******************************* */
105
106static int socket_probe (struct platform_device *pdev)
107{
108        struct tunersocket_s *socket_config = pdev->dev.platform_data;
109        int    i;
110
111    printk("%s >\n", __func__);
112
113    numSockets = socket_config->numSockets;
114   
115        sockets = (struct socket_s*) kzalloc(sizeof(struct socket_s) * numSockets, GFP_KERNEL);
116
117    if (sockets == NULL)
118    {
119                printk(KERN_ERR "%s: kzalloc failed.\n", __func__);   
120                return -ENOMEM;
121    }
122
123    for (i = 0; i < numSockets; i++)
124    {
125        sockets[i] = socket_config->socketList[i];
126       
127        printk("***************************\n");
128        printk("socket     %d\n", i + 1);
129        printk("name       %s\n", sockets[i].name);     
130        printk("pio port   %d\n", sockets[i].tuner_enable[0]);     
131        printk("pio pin    %d\n", sockets[i].tuner_enable[1]);     
132        printk("active l/h %d\n", sockets[i].tuner_enable[2]);     
133        printk("i2c_bus    %d\n", sockets[i].i2c_bus);     
134    }
135   
136    printk("%s <\n", __func__);
137        return 0;
138}
139
140static int socket_remove(struct device *dev)
141{
142        return 0;
143}
144
145static struct platform_driver socket_driver = {
146    .probe = socket_probe,
147    .remove = socket_remove,
148    .driver     = {
149        .name   = "socket",
150        .owner  = THIS_MODULE,
151    },
152};
153
154/* ******************************* */
155/* module functions                */
156/* ******************************* */
157
158int __init socket_init(void)
159{
160    int ret;
161   
162    printk("%s >\n", __func__);
163
164    ret = platform_driver_register (&socket_driver);
165   
166    printk("%s < %d\n", __func__, ret);
167    return ret;
168}
169
170static void socket_cleanup(void)
171{
172    printk("%s >\n", __func__);
173
174    driver_unregister(&socket_driver);
175}
176
177MODULE_DESCRIPTION("Multituner Socket Handling");
178
179MODULE_AUTHOR("konfetti");
180MODULE_LICENSE("GPL");
181
182module_init(socket_init);
183module_exit(socket_cleanup);
184
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