96d732098a0d56df301b4c5e7297b2bdd19f641b
[linux-2.6.git] / drivers / media / video / cx23885 / cx23885-dvb.c
1 /*
2  *  Driver for the Conexant CX23885 PCIe bridge
3  *
4  *  Copyright (c) 2006 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 <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/device.h>
25 #include <linux/fs.h>
26 #include <linux/kthread.h>
27 #include <linux/file.h>
28 #include <linux/suspend.h>
29
30 #include "cx23885.h"
31 #include <media/v4l2-common.h>
32
33 #include "s5h1409.h"
34 #include "mt2131.h"
35 #include "lgdt330x.h"
36 #include "dvb-pll.h"
37
38 static unsigned int debug = 0;
39
40 #define dprintk(level,fmt, arg...)      if (debug >= level) \
41         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
42
43 /* ------------------------------------------------------------------ */
44
45 static int dvb_buf_setup(struct videobuf_queue *q,
46                          unsigned int *count, unsigned int *size)
47 {
48         struct cx23885_tsport *port = q->priv_data;
49
50         port->ts_packet_size  = 188 * 4;
51         port->ts_packet_count = 32;
52
53         *size  = port->ts_packet_size * port->ts_packet_count;
54         *count = 32;
55         return 0;
56 }
57
58 static int dvb_buf_prepare(struct videobuf_queue *q,
59                            struct videobuf_buffer *vb, enum v4l2_field field)
60 {
61         struct cx23885_tsport *port = q->priv_data;
62         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
63 }
64
65 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
66 {
67         struct cx23885_tsport *port = q->priv_data;
68         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
69 }
70
71 static void dvb_buf_release(struct videobuf_queue *q,
72                             struct videobuf_buffer *vb)
73 {
74         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
75 }
76
77 static struct videobuf_queue_ops dvb_qops = {
78         .buf_setup    = dvb_buf_setup,
79         .buf_prepare  = dvb_buf_prepare,
80         .buf_queue    = dvb_buf_queue,
81         .buf_release  = dvb_buf_release,
82 };
83
84 static struct s5h1409_config hauppauge_generic_config = {
85         .demod_address = 0x32 >> 1,
86         .output_mode   = S5H1409_SERIAL_OUTPUT,
87         .gpio          = S5H1409_GPIO_ON,
88         .qam_if        = 44000,
89         .inversion     = S5H1409_INVERSION_OFF,
90         .status_mode   = S5H1409_DEMODLOCKING
91 };
92
93 static struct s5h1409_config hauppauge_hvr1800lp_config = {
94         .demod_address = 0x32 >> 1,
95         .output_mode   = S5H1409_SERIAL_OUTPUT,
96         .gpio          = S5H1409_GPIO_OFF,
97         .qam_if        = 44000,
98         .inversion     = S5H1409_INVERSION_OFF,
99         .status_mode   = S5H1409_DEMODLOCKING
100 };
101
102 static struct mt2131_config hauppauge_generic_tunerconfig = {
103         0x61
104 };
105
106 static struct lgdt330x_config fusionhdtv_5_express = {
107         .demod_address = 0x0e,
108         .demod_chip = LGDT3303,
109         .serial_mpeg = 0x40,
110 };
111
112 static int dvb_register(struct cx23885_tsport *port)
113 {
114         struct cx23885_dev *dev = port->dev;
115         struct cx23885_i2c *i2c_bus = NULL;
116
117         /* init struct videobuf_dvb */
118         port->dvb.name = dev->name;
119
120         /* init frontend */
121         switch (dev->board) {
122         case CX23885_BOARD_HAUPPAUGE_HVR1250:
123         case CX23885_BOARD_HAUPPAUGE_HVR1800:
124                 i2c_bus = &dev->i2c_bus[0];
125                 port->dvb.frontend = dvb_attach(s5h1409_attach,
126                                                 &hauppauge_generic_config,
127                                                 &i2c_bus->i2c_adap);
128                 if (port->dvb.frontend != NULL) {
129                         dvb_attach(mt2131_attach, port->dvb.frontend,
130                                    &i2c_bus->i2c_adap,
131                                    &hauppauge_generic_tunerconfig, 0);
132                 }
133                 break;
134         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
135                 i2c_bus = &dev->i2c_bus[0];
136                 port->dvb.frontend = dvb_attach(s5h1409_attach,
137                                                 &hauppauge_hvr1800lp_config,
138                                                 &i2c_bus->i2c_adap);
139                 if (port->dvb.frontend != NULL) {
140                         dvb_attach(mt2131_attach, port->dvb.frontend,
141                                    &i2c_bus->i2c_adap,
142                                    &hauppauge_generic_tunerconfig, 0);
143                 }
144                 break;
145         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
146                 i2c_bus = &dev->i2c_bus[0];
147                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
148                                                 &fusionhdtv_5_express,
149                                                 &i2c_bus->i2c_adap);
150                 if (port->dvb.frontend != NULL) {
151                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
152                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
153                 }
154                 break;
155         default:
156                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
157                        dev->name);
158                 break;
159         }
160         if (NULL == port->dvb.frontend) {
161                 printk("%s: frontend initialization failed\n", dev->name);
162                 return -1;
163         }
164
165         /* Put the analog decoder in standby to keep it quiet */
166         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
167
168         /* register everything */
169         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
170                                      &dev->pci->dev);
171 }
172
173 int cx23885_dvb_register(struct cx23885_tsport *port)
174 {
175         struct cx23885_dev *dev = port->dev;
176         int err;
177
178         dprintk(1, "%s\n", __FUNCTION__);
179         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
180                 dev->board,
181                 dev->name,
182                 dev->pci_bus,
183                 dev->pci_slot);
184
185         err = -ENODEV;
186
187         /* dvb stuff */
188         printk("%s: cx23885 based dvb card\n", dev->name);
189         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
190                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
191                             sizeof(struct cx23885_buffer), port);
192         err = dvb_register(port);
193         if (err != 0)
194                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
195
196         return err;
197 }
198
199 int cx23885_dvb_unregister(struct cx23885_tsport *port)
200 {
201         /* dvb */
202         if(port->dvb.frontend)
203                 videobuf_dvb_unregister(&port->dvb);
204
205         return 0;
206 }
207
208 /*
209  * Local variables:
210  * c-basic-offset: 8
211  * End:
212  * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
213 */