V4L/DVB (6885): Add support for the Hauppauge HVR1500Q
[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 "xc5000.h"
37 #include "dvb-pll.h"
38
39 static unsigned int debug = 0;
40
41 #define dprintk(level,fmt, arg...)      if (debug >= level) \
42         printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
43
44 /* ------------------------------------------------------------------ */
45
46 static int dvb_buf_setup(struct videobuf_queue *q,
47                          unsigned int *count, unsigned int *size)
48 {
49         struct cx23885_tsport *port = q->priv_data;
50
51         port->ts_packet_size  = 188 * 4;
52         port->ts_packet_count = 32;
53
54         *size  = port->ts_packet_size * port->ts_packet_count;
55         *count = 32;
56         return 0;
57 }
58
59 static int dvb_buf_prepare(struct videobuf_queue *q,
60                            struct videobuf_buffer *vb, enum v4l2_field field)
61 {
62         struct cx23885_tsport *port = q->priv_data;
63         return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
64 }
65
66 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
67 {
68         struct cx23885_tsport *port = q->priv_data;
69         cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
70 }
71
72 static void dvb_buf_release(struct videobuf_queue *q,
73                             struct videobuf_buffer *vb)
74 {
75         cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
76 }
77
78 static int cx23885_request_firmware(struct dvb_frontend *fe,
79         const struct firmware **fw, char *name)
80 {
81         struct cx23885_tsport *port = fe->dvb->priv;
82         struct cx23885_dev *dev = port->dev;
83
84         dprintk(1, "%s(?,?,%s)\n", __FUNCTION__, name);
85
86         return request_firmware(fw, name, &dev->pci->dev);
87 }
88
89 static int hauppauge_hvr1500q_tuner_reset(struct dvb_frontend *fe)
90 {
91         struct cx23885_tsport *port = fe->dvb->priv;
92         struct cx23885_dev *dev = port->dev;
93
94         dprintk(1, "%s()\n", __FUNCTION__);
95
96         /* Drive the tuner into reset back back */
97         cx_clear(GP0_IO, 0x00000004);
98         mdelay(200);
99         cx_set(GP0_IO, 0x00000004);
100
101         return 0;
102 }
103
104 static struct videobuf_queue_ops dvb_qops = {
105         .buf_setup    = dvb_buf_setup,
106         .buf_prepare  = dvb_buf_prepare,
107         .buf_queue    = dvb_buf_queue,
108         .buf_release  = dvb_buf_release,
109 };
110
111 static struct s5h1409_config hauppauge_generic_config = {
112         .demod_address = 0x32 >> 1,
113         .output_mode   = S5H1409_SERIAL_OUTPUT,
114         .gpio          = S5H1409_GPIO_ON,
115         .qam_if        = 44000,
116         .inversion     = S5H1409_INVERSION_OFF,
117         .status_mode   = S5H1409_DEMODLOCKING
118 };
119
120 static struct s5h1409_config hauppauge_hvr1800lp_config = {
121         .demod_address = 0x32 >> 1,
122         .output_mode   = S5H1409_SERIAL_OUTPUT,
123         .gpio          = S5H1409_GPIO_OFF,
124         .qam_if        = 44000,
125         .inversion     = S5H1409_INVERSION_OFF,
126         .status_mode   = S5H1409_DEMODLOCKING
127 };
128
129 static struct mt2131_config hauppauge_generic_tunerconfig = {
130         0x61
131 };
132
133 static struct lgdt330x_config fusionhdtv_5_express = {
134         .demod_address = 0x0e,
135         .demod_chip = LGDT3303,
136         .serial_mpeg = 0x40,
137 };
138
139 static struct s5h1409_config hauppauge_hvr1500q_config = {
140         .demod_address = 0x32 >> 1,
141         .output_mode   = S5H1409_SERIAL_OUTPUT,
142         .gpio          = S5H1409_GPIO_ON,
143         .qam_if        = 44000,
144         .inversion     = S5H1409_INVERSION_OFF,
145         .status_mode   = S5H1409_DEMODLOCKING
146 };
147
148 static struct xc5000_config hauppauge_hvr1500q_tunerconfig = {
149         .i2c_address  = 0x61,
150         .if_frequency = 4570000,
151         .request_firmware = cx23885_request_firmware,
152         .tuner_reset = hauppauge_hvr1500q_tuner_reset
153 };
154
155 static int dvb_register(struct cx23885_tsport *port)
156 {
157         struct cx23885_dev *dev = port->dev;
158         struct cx23885_i2c *i2c_bus = NULL;
159
160         /* init struct videobuf_dvb */
161         port->dvb.name = dev->name;
162
163         /* init frontend */
164         switch (dev->board) {
165         case CX23885_BOARD_HAUPPAUGE_HVR1250:
166         case CX23885_BOARD_HAUPPAUGE_HVR1800:
167                 i2c_bus = &dev->i2c_bus[0];
168                 port->dvb.frontend = dvb_attach(s5h1409_attach,
169                                                 &hauppauge_generic_config,
170                                                 &i2c_bus->i2c_adap);
171                 if (port->dvb.frontend != NULL) {
172                         dvb_attach(mt2131_attach, port->dvb.frontend,
173                                    &i2c_bus->i2c_adap,
174                                    &hauppauge_generic_tunerconfig, 0);
175                 }
176                 break;
177         case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
178                 i2c_bus = &dev->i2c_bus[0];
179                 port->dvb.frontend = dvb_attach(s5h1409_attach,
180                                                 &hauppauge_hvr1800lp_config,
181                                                 &i2c_bus->i2c_adap);
182                 if (port->dvb.frontend != NULL) {
183                         dvb_attach(mt2131_attach, port->dvb.frontend,
184                                    &i2c_bus->i2c_adap,
185                                    &hauppauge_generic_tunerconfig, 0);
186                 }
187                 break;
188         case CX23885_BOARD_DVICO_FUSIONHDTV_5_EXP:
189                 i2c_bus = &dev->i2c_bus[0];
190                 port->dvb.frontend = dvb_attach(lgdt330x_attach,
191                                                 &fusionhdtv_5_express,
192                                                 &i2c_bus->i2c_adap);
193                 if (port->dvb.frontend != NULL) {
194                         dvb_attach(dvb_pll_attach, port->dvb.frontend, 0x61,
195                                    &i2c_bus->i2c_adap, DVB_PLL_LG_TDVS_H06XF);
196                 }
197                 break;
198         case CX23885_BOARD_HAUPPAUGE_HVR1500Q:
199                 i2c_bus = &dev->i2c_bus[1];
200                 port->dvb.frontend = dvb_attach(s5h1409_attach,
201                                                 &hauppauge_hvr1500q_config,
202                                                 &dev->i2c_bus[0].i2c_adap);
203                 if (port->dvb.frontend != NULL) {
204                         dvb_attach(xc5000_attach, port->dvb.frontend,
205                                 &i2c_bus->i2c_adap,
206                                 &hauppauge_hvr1500q_tunerconfig);
207                 }
208                 break;
209         default:
210                 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
211                        dev->name);
212                 break;
213         }
214         if (NULL == port->dvb.frontend) {
215                 printk("%s: frontend initialization failed\n", dev->name);
216                 return -1;
217         }
218
219         /* Put the analog decoder in standby to keep it quiet */
220         cx23885_call_i2c_clients(i2c_bus, TUNER_SET_STANDBY, NULL);
221
222         /* register everything */
223         return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
224                                      &dev->pci->dev);
225 }
226
227 int cx23885_dvb_register(struct cx23885_tsport *port)
228 {
229         struct cx23885_dev *dev = port->dev;
230         int err;
231
232         dprintk(1, "%s\n", __FUNCTION__);
233         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
234                 dev->board,
235                 dev->name,
236                 dev->pci_bus,
237                 dev->pci_slot);
238
239         err = -ENODEV;
240
241         /* dvb stuff */
242         printk("%s: cx23885 based dvb card\n", dev->name);
243         videobuf_queue_pci_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
244                             V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
245                             sizeof(struct cx23885_buffer), port);
246         err = dvb_register(port);
247         if (err != 0)
248                 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
249
250         return err;
251 }
252
253 int cx23885_dvb_unregister(struct cx23885_tsport *port)
254 {
255         /* dvb */
256         if(port->dvb.frontend)
257                 videobuf_dvb_unregister(&port->dvb);
258
259         return 0;
260 }
261
262 /*
263  * Local variables:
264  * c-basic-offset: 8
265  * End:
266  * 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
267 */