2 * Driver for the Conexant CX23885 PCIe bridge
4 * Copyright (c) 2006 Steven Toth <stoth@hauppauge.com>
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.
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
15 * GNU General Public License for more details.
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.
22 #include <linux/module.h>
23 #include <linux/init.h>
24 #include <linux/device.h>
26 #include <linux/kthread.h>
27 #include <linux/file.h>
28 #include <linux/suspend.h>
31 #include <media/v4l2-common.h>
36 static unsigned int debug = 0;
38 #define dprintk(level,fmt, arg...) if (debug >= level) \
39 printk(KERN_DEBUG "%s: " fmt, dev->name, ## arg)
41 /* ------------------------------------------------------------------ */
43 static int dvb_buf_setup(struct videobuf_queue *q,
44 unsigned int *count, unsigned int *size)
46 struct cx23885_tsport *port = q->priv_data;
48 port->ts_packet_size = 188 * 4;
49 port->ts_packet_count = 32;
51 *size = port->ts_packet_size * port->ts_packet_count;
56 static int dvb_buf_prepare(struct videobuf_queue *q,
57 struct videobuf_buffer *vb, enum v4l2_field field)
59 struct cx23885_tsport *port = q->priv_data;
60 return cx23885_buf_prepare(q, port, (struct cx23885_buffer*)vb, field);
63 static void dvb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
65 struct cx23885_tsport *port = q->priv_data;
66 cx23885_buf_queue(port, (struct cx23885_buffer*)vb);
69 static void dvb_buf_release(struct videobuf_queue *q,
70 struct videobuf_buffer *vb)
72 cx23885_free_buffer(q, (struct cx23885_buffer*)vb);
75 static struct videobuf_queue_ops dvb_qops = {
76 .buf_setup = dvb_buf_setup,
77 .buf_prepare = dvb_buf_prepare,
78 .buf_queue = dvb_buf_queue,
79 .buf_release = dvb_buf_release,
82 static struct s5h1409_config hauppauge_generic_config = {
83 .demod_address = 0x32 >> 1,
84 .output_mode = S5H1409_SERIAL_OUTPUT,
85 .gpio = S5H1409_GPIO_ON,
87 .inversion = S5H1409_INVERSION_OFF,
88 .status_mode = S5H1409_DEMODLOCKING
91 static struct s5h1409_config hauppauge_hvr1800lp_config = {
92 .demod_address = 0x32 >> 1,
93 .output_mode = S5H1409_SERIAL_OUTPUT,
94 .gpio = S5H1409_GPIO_OFF,
96 .inversion = S5H1409_INVERSION_OFF,
97 .status_mode = S5H1409_DEMODLOCKING
100 static struct mt2131_config hauppauge_generic_tunerconfig = {
104 static int dvb_register(struct cx23885_tsport *port)
106 struct cx23885_dev *dev = port->dev;
108 /* init struct videobuf_dvb */
109 port->dvb.name = dev->name;
112 switch (dev->board) {
113 case CX23885_BOARD_HAUPPAUGE_HVR1250:
114 case CX23885_BOARD_HAUPPAUGE_HVR1800:
115 port->dvb.frontend = dvb_attach(s5h1409_attach,
116 &hauppauge_generic_config,
117 &dev->i2c_bus[0].i2c_adap);
118 if (port->dvb.frontend != NULL) {
119 dvb_attach(mt2131_attach, port->dvb.frontend,
120 &dev->i2c_bus[0].i2c_adap,
121 &hauppauge_generic_tunerconfig, 0);
124 case CX23885_BOARD_HAUPPAUGE_HVR1800lp:
125 port->dvb.frontend = dvb_attach(s5h1409_attach,
126 &hauppauge_hvr1800lp_config,
127 &dev->i2c_bus[0].i2c_adap);
128 if (port->dvb.frontend != NULL) {
129 dvb_attach(mt2131_attach, port->dvb.frontend,
130 &dev->i2c_bus[0].i2c_adap,
131 &hauppauge_generic_tunerconfig, 0);
135 printk("%s: The frontend of your DVB/ATSC card isn't supported yet\n",
139 if (NULL == port->dvb.frontend) {
140 printk("%s: frontend initialization failed\n", dev->name);
144 /* Put the analog decoder in standby to keep it quiet */
145 cx23885_call_i2c_clients (&dev->i2c_bus[0], TUNER_SET_STANDBY, NULL);
147 /* register everything */
148 return videobuf_dvb_register(&port->dvb, THIS_MODULE, port,
152 int cx23885_dvb_register(struct cx23885_tsport *port)
154 struct cx23885_dev *dev = port->dev;
157 dprintk(1, "%s\n", __FUNCTION__);
158 dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
165 if (!(cx23885_boards[dev->board].portc & CX23885_MPEG_DVB))
169 printk("%s: cx23885 based dvb card\n", dev->name);
170 videobuf_queue_init(&port->dvb.dvbq, &dvb_qops, dev->pci, &port->slock,
171 V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP,
172 sizeof(struct cx23885_buffer), port);
173 err = dvb_register(port);
175 printk("%s() dvb_register failed err = %d\n", __FUNCTION__, err);
181 int cx23885_dvb_unregister(struct cx23885_tsport *port)
184 if(port->dvb.frontend)
185 videobuf_dvb_unregister(&port->dvb);
194 * 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