[PATCH] dvb: Add generalized dvb-usb driver

Add generalized dvb-usb driver which supports a wide variety of devices.

Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 176 insertions, 0 deletions

diff --git a/drivers/media/dvb/dvb-usb/a800.c b/drivers/media/dvb/dvb-usb/a800.c
new file mode 100644
index 000000000000..a3542935604f
--- /dev/null
+++ b/drivers/media/dvb/dvb-usb/a800.c
@@ -0,0 +1,176 @@
+/* DVB USB framework compliant Linux driver for the AVerMedia AverTV DVB-T
+ * USB2.0 (A800) DVB-T receiver.
+ *
+ * Copyright (C) 2005 Patrick Boettcher (patrick.boettcher@desy.de)
+ *
+ * Thanks to
+ *   - AVerMedia who kindly provided information and
+ *   - Glen Harris who suffered from my mistakes during development.
+ *
+ *	This program is free software; you can redistribute it and/or modify it
+ *	under the terms of the GNU General Public License as published by the Free
+ *	Software Foundation, version 2.
+ *
+ * see Documentation/dvb/README.dvb-usb for more information
+ */
+#include "dibusb.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (rc=1 (or-able))." DVB_USB_DEBUG_STATUS);
+#define deb_rc(args...)   dprintk(debug,0x01,args)
+
+static int a800_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+	/* do nothing for the AVerMedia */
+	return 0;
+}
+
+static struct dvb_usb_rc_key a800_rc_keys[] = {
+	{ 0x02, 0x01, KEY_PROG1 },       /* SOURCE */
+	{ 0x02, 0x00, KEY_POWER },       /* POWER */
+	{ 0x02, 0x05, KEY_1 },           /* 1 */
+	{ 0x02, 0x06, KEY_2 },           /* 2 */
+	{ 0x02, 0x07, KEY_3 },           /* 3 */
+	{ 0x02, 0x09, KEY_4 },           /* 4 */
+	{ 0x02, 0x0a, KEY_5 },           /* 5 */
+	{ 0x02, 0x0b, KEY_6 },           /* 6 */
+	{ 0x02, 0x0d, KEY_7 },           /* 7 */
+	{ 0x02, 0x0e, KEY_8 },           /* 8 */
+	{ 0x02, 0x0f, KEY_9 },           /* 9 */
+	{ 0x02, 0x12, KEY_LEFT },        /* L / DISPLAY */
+	{ 0x02, 0x11, KEY_0 },           /* 0 */
+	{ 0x02, 0x13, KEY_RIGHT },       /* R / CH RTN */
+	{ 0x02, 0x17, KEY_PROG2 },       /* SNAP SHOT */
+	{ 0x02, 0x10, KEY_PROG3 },       /* 16-CH PREV */
+	{ 0x02, 0x03, KEY_CHANNELUP },   /* CH UP */
+	{ 0x02, 0x1e, KEY_VOLUMEDOWN },  /* VOL DOWN */
+	{ 0x02, 0x0c, KEY_ZOOM },        /* FULL SCREEN */
+	{ 0x02, 0x1f, KEY_VOLUMEUP },    /* VOL UP */
+	{ 0x02, 0x02, KEY_CHANNELDOWN }, /* CH DOWN */
+	{ 0x02, 0x14, KEY_MUTE },        /* MUTE */
+	{ 0x02, 0x08, KEY_AUDIO },       /* AUDIO */
+	{ 0x02, 0x19, KEY_RECORD },      /* RECORD */
+	{ 0x02, 0x18, KEY_PLAY },        /* PLAY */
+	{ 0x02, 0x1b, KEY_STOP },        /* STOP */
+	{ 0x02, 0x1a, KEY_PLAYPAUSE },   /* TIMESHIFT / PAUSE */
+	{ 0x02, 0x1d, KEY_BACK },        /* << / RED */
+	{ 0x02, 0x1c, KEY_FORWARD },     /* >> / YELLOW */
+	{ 0x02, 0x03, KEY_TEXT },        /* TELETEXT */
+	{ 0x02, 0x01, KEY_FIRST },       /* |<< / GREEN */
+	{ 0x02, 0x00, KEY_LAST },        /* >>| / BLUE */
+	{ 0x02, 0x04, KEY_EPG },         /* EPG */
+	{ 0x02, 0x15, KEY_MENU },        /* MENU */
+};
+
+int a800_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+	u8 key[5];
+	if (usb_control_msg(d->udev,usb_rcvctrlpipe(d->udev,0),
+				0x04, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, key, 5,
+				2*HZ) != 5)
+		return -ENODEV;
+
+	/* call the universal NEC remote processor, to find out the key's state and event */
+	dvb_usb_nec_rc_key_to_event(d,key,event,state);
+	if (key[0] != 0)
+		deb_rc("key: %x %x %x %x %x\n",key[0],key[1],key[2],key[3],key[4]);
+	return 0;
+}
+
+/* USB Driver stuff */
+static struct dvb_usb_properties a800_properties;
+
+static int a800_probe(struct usb_interface *intf,
+		const struct usb_device_id *id)
+{
+	return dvb_usb_device_init(intf,&a800_properties,THIS_MODULE);
+}
+
+/* do not change the order of the ID table */
+static struct usb_device_id a800_table [] = {
+/* 00 */	{ USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_COLD) },
+/* 01 */	{ USB_DEVICE(USB_VID_AVERMEDIA,     USB_PID_AVERMEDIA_DVBT_USB2_WARM) },
+			{ }		/* Terminating entry */
+};
+MODULE_DEVICE_TABLE (usb, a800_table);
+
+static struct dvb_usb_properties a800_properties = {
+	.caps = DVB_USB_HAS_PID_FILTER | DVB_USB_PID_FILTER_CAN_BE_TURNED_OFF | DVB_USB_IS_AN_I2C_ADAPTER,
+	.pid_filter_count = 32,
+
+	.usb_ctrl = CYPRESS_FX2,
+
+	.firmware = "dvb-usb-avertv-a800-02.fw",
+
+	.size_of_priv     = sizeof(struct dibusb_state),
+
+	.streaming_ctrl   = dibusb2_0_streaming_ctrl,
+	.pid_filter       = dibusb_pid_filter,
+	.pid_filter_ctrl  = dibusb_pid_filter_ctrl,
+	.power_ctrl       = a800_power_ctrl,
+	.frontend_attach  = dibusb_dib3000mc_frontend_attach,
+	.tuner_attach     = dibusb_dib3000mc_tuner_attach,
+
+	.rc_interval      = DEFAULT_RC_INTERVAL,
+	.rc_key_map       = a800_rc_keys,
+	.rc_key_map_size  = ARRAY_SIZE(a800_rc_keys),
+	.rc_query         = a800_rc_query,
+
+	.i2c_algo         = &dibusb_i2c_algo,
+
+	.generic_bulk_ctrl_endpoint = 0x01,
+	/* parameter for the MPEG2-data transfer */
+	.urb = {
+		.type = DVB_USB_BULK,
+		.count = 7,
+		.endpoint = 0x06,
+		.u = {
+			.bulk = {
+				.buffersize = 4096,
+			}
+		}
+	},
+
+	.num_device_descs = 1,
+	.devices = {
+		{   "AVerMedia AverTV DVB-T USB 2.0 (A800)",
+			{ &a800_table[0], NULL },
+			{ &a800_table[1], NULL },
+		},
+	}
+};
+
+static struct usb_driver a800_driver = {
+	.owner		= THIS_MODULE,
+	.name		= "AVerMedia AverTV DVB-T USB 2.0 (A800)",
+	.probe		= a800_probe,
+	.disconnect = dvb_usb_device_exit,
+	.id_table	= a800_table,
+};
+
+/* module stuff */
+static int __init a800_module_init(void)
+{
+	int result;
+	if ((result = usb_register(&a800_driver))) {
+		err("usb_register failed. Error number %d",result);
+		return result;
+	}
+
+	return 0;
+}
+
+static void __exit a800_module_exit(void)
+{
+	/* deregister this driver from the USB subsystem */
+	usb_deregister(&a800_driver);
+}
+
+module_init (a800_module_init);
+module_exit (a800_module_exit);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
+MODULE_DESCRIPTION("AVerMedia AverTV DVB-T USB 2.0 (A800)");
+MODULE_VERSION("1.0");
+MODULE_LICENSE("GPL");