V4L/DVB (7750): au0828/ cleanups and fixes
[linux-2.6.git] / drivers / media / video / au0828 / au0828-cards.c
1 /*
2  *  Driver for the Auvitek USB bridge
3  *
4  *  Copyright (c) 2008 Steven Toth <stoth@hauppauge.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  *
15  *  GNU General Public License for more details.
16  *
17  *  You should have received a copy of the GNU General Public License
18  *  along with this program; if not, write to the Free Software
19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20  */
21
22 #include "au0828.h"
23 #include "au0828-cards.h"
24
25 struct au0828_board au0828_boards[] = {
26         [AU0828_BOARD_UNKNOWN] = {
27                 .name   = "Unknown board",
28         },
29         [AU0828_BOARD_HAUPPAUGE_HVR850] = {
30                 .name   = "Hauppauge HVR850",
31         },
32         [AU0828_BOARD_HAUPPAUGE_HVR950Q] = {
33                 .name   = "Hauppauge HVR950Q",
34         },
35         [AU0828_BOARD_DVICO_FUSIONHDTV7] = {
36                 .name   = "DViCO FusionHDTV USB",
37         },
38 };
39
40 /* Tuner callback function for au0828 boards. Currently only needed
41  * for HVR1500Q, which has an xc5000 tuner.
42  */
43 int au0828_tuner_callback(void *priv, int command, int arg)
44 {
45         struct au0828_dev *dev = priv;
46
47         dprintk(1, "%s()\n", __func__);
48
49         switch (dev->board) {
50         case AU0828_BOARD_HAUPPAUGE_HVR850:
51         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
52         case AU0828_BOARD_DVICO_FUSIONHDTV7:
53                 if (command == 0) {
54                         /* Tuner Reset Command from xc5000 */
55                         /* Drive the tuner into reset and out */
56                         au0828_clear(dev, REG_001, 2);
57                         mdelay(200);
58                         au0828_set(dev, REG_001, 2);
59                         mdelay(50);
60                         return 0;
61                 } else {
62                         printk(KERN_ERR
63                                 "%s(): Unknown command.\n", __func__);
64                         return -EINVAL;
65                 }
66                 break;
67         }
68
69         return 0; /* Should never be here */
70 }
71
72 static void hauppauge_eeprom(struct au0828_dev *dev, u8 *eeprom_data)
73 {
74         struct tveeprom tv;
75
76         tveeprom_hauppauge_analog(&dev->i2c_client, &tv, eeprom_data);
77
78         /* Make sure we support the board model */
79         switch (tv.model) {
80         case 72001: /* WinTV-HVR950q (Retail, IR, ATSC/QAM and basic analog video */
81         case 72301: /* WinTV-HVR850 (Retail, IR, ATSC and basic analog video */
82                 break;
83         default:
84                 printk(KERN_WARNING "%s: warning: "
85                        "unknown hauppauge model #%d\n", __func__, tv.model);
86                 break;
87         }
88
89         printk(KERN_INFO "%s: hauppauge eeprom: model=%d\n",
90                __func__, tv.model);
91 }
92
93 void au0828_card_setup(struct au0828_dev *dev)
94 {
95         static u8 eeprom[256];
96
97         dprintk(1, "%s()\n", __func__);
98
99         if (dev->i2c_rc == 0) {
100                 dev->i2c_client.addr = 0xa0 >> 1;
101                 tveeprom_read(&dev->i2c_client, eeprom, sizeof(eeprom));
102         }
103
104         switch (dev->board) {
105         case AU0828_BOARD_HAUPPAUGE_HVR850:
106         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
107                 if (dev->i2c_rc == 0)
108                         hauppauge_eeprom(dev, eeprom+0xa0);
109                 break;
110         }
111 }
112
113 /*
114  * The bridge has between 8 and 12 gpios.
115  * Regs 1 and 0 deal with output enables.
116  * Regs 3 and 2 deal with direction.
117  */
118 void au0828_gpio_setup(struct au0828_dev *dev)
119 {
120         dprintk(1, "%s()\n", __func__);
121
122         switch (dev->board) {
123         case AU0828_BOARD_HAUPPAUGE_HVR850:
124         case AU0828_BOARD_HAUPPAUGE_HVR950Q:
125                 /* GPIO's
126                  * 4 - CS5340
127                  * 5 - AU8522 Demodulator
128                  * 6 - eeprom W/P
129                  * 9 - XC5000 Tuner
130                  */
131
132                 /* Into reset */
133                 au0828_write(dev, REG_003, 0x02);
134                 au0828_write(dev, REG_002, 0x88 | 0x20);
135                 au0828_write(dev, REG_001, 0x0);
136                 au0828_write(dev, REG_000, 0x0);
137                 msleep(100);
138
139                 /* Out of reset */
140                 au0828_write(dev, REG_003, 0x02);
141                 au0828_write(dev, REG_001, 0x02);
142                 au0828_write(dev, REG_002, 0x88 | 0x20);
143                 au0828_write(dev, REG_000, 0x88 | 0x20 | 0x40);
144                 msleep(250);
145                 break;
146         case AU0828_BOARD_DVICO_FUSIONHDTV7:
147                 /* GPIO's
148                  * 6 - ?
149                  * 8 - AU8522 Demodulator
150                  * 9 - XC5000 Tuner
151                  */
152
153                 /* Into reset */
154                 au0828_write(dev, REG_003, 0x02);
155                 au0828_write(dev, REG_002, 0xa0);
156                 au0828_write(dev, REG_001, 0x0);
157                 au0828_write(dev, REG_000, 0x0);
158                 msleep(100);
159
160                 /* Out of reset */
161                 au0828_write(dev, REG_003, 0x02);
162                 au0828_write(dev, REG_002, 0xa0);
163                 au0828_write(dev, REG_001, 0x02);
164                 au0828_write(dev, REG_000, 0xa0);
165                 msleep(250);
166                 break;
167         }
168 }
169
170 /* table of devices that work with this driver */
171 struct usb_device_id au0828_usb_id_table [] = {
172         { USB_DEVICE(0x2040, 0x7200),
173                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR950Q },
174         { USB_DEVICE(0x2040, 0x7240),
175                 .driver_info = AU0828_BOARD_HAUPPAUGE_HVR850 },
176         { USB_DEVICE(0x0fe9, 0xd620),
177                 .driver_info = AU0828_BOARD_DVICO_FUSIONHDTV7 },
178         { },
179 };
180
181 MODULE_DEVICE_TABLE(usb, au0828_usb_id_table);