This commit was manufactured by cvs2svn to create branch 'vserver'.
[linux-2.6.git] / drivers / media / dvb / dvb-usb / vp702x.c
diff --git a/drivers/media/dvb/dvb-usb/vp702x.c b/drivers/media/dvb/dvb-usb/vp702x.c
new file mode 100644 (file)
index 0000000..b2f098a
--- /dev/null
@@ -0,0 +1,291 @@
+/* DVB USB compliant Linux driver for the TwinhanDTV StarBox USB2.0 DVB-S
+ * receiver.
+ *
+ * Copyright (C) 2005 Ralph Metzler <rjkm@metzlerbros.de>
+ *                    Metzler Brothers Systementwicklung GbR
+ *
+ * Copyright (C) 2005 Patrick Boettcher <patrick.boettcher@desy.de>
+ *
+ * Thanks to Twinhan who kindly provided hardware and information.
+ *
+ *     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 "vp702x.h"
+
+/* debug */
+int dvb_usb_vp702x_debug;
+module_param_named(debug,dvb_usb_vp702x_debug, int, 0644);
+MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
+
+struct vp702x_state {
+       u8 pid_table[17]; /* [16] controls the pid_table state */
+};
+
+/* check for mutex FIXME */
+int vp702x_usb_in_op(struct dvb_usb_device *d, u8 req, u16 value, u16 index, u8 *b, int blen)
+{
+       int ret = 0,try = 0;
+
+       while (ret >= 0 && ret != blen && try < 3) {
+               ret = usb_control_msg(d->udev,
+                       usb_rcvctrlpipe(d->udev,0),
+                       req,
+                       USB_TYPE_VENDOR | USB_DIR_IN,
+                       value,index,b,blen,
+                       2000);
+               deb_info("reading number %d (ret: %d)\n",try,ret);
+               try++;
+       }
+
+       if (ret < 0 || ret != blen) {
+               warn("usb in operation failed.");
+               ret = -EIO;
+       } else
+               ret = 0;
+
+       deb_xfer("in: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+       debug_dump(b,blen,deb_xfer);
+
+       return ret;
+}
+
+static int vp702x_usb_out_op(struct dvb_usb_device *d, u8 req, u16 value,
+                            u16 index, u8 *b, int blen)
+{
+       deb_xfer("out: req. %x, val: %x, ind: %x, buffer: ",req,value,index);
+       debug_dump(b,blen,deb_xfer);
+
+       if (usb_control_msg(d->udev,
+                       usb_sndctrlpipe(d->udev,0),
+                       req,
+                       USB_TYPE_VENDOR | USB_DIR_OUT,
+                       value,index,b,blen,
+                       2000) != blen) {
+               warn("usb out operation failed.");
+               return -EIO;
+       } else
+               return 0;
+}
+
+int vp702x_usb_inout_op(struct dvb_usb_device *d, u8 *o, int olen, u8 *i, int ilen, int msec)
+{
+       int ret;
+
+       if ((ret = mutex_lock_interruptible(&d->usb_mutex)))
+               return ret;
+
+       if ((ret = vp702x_usb_out_op(d,REQUEST_OUT,0,0,o,olen)) < 0)
+               goto unlock;
+       msleep(msec);
+       ret = vp702x_usb_in_op(d,REQUEST_IN,0,0,i,ilen);
+
+unlock:
+       mutex_unlock(&d->usb_mutex);
+
+       return ret;
+}
+
+static int vp702x_usb_inout_cmd(struct dvb_usb_device *d, u8 cmd, u8 *o,
+                               int olen, u8 *i, int ilen, int msec)
+{
+       u8 bout[olen+2];
+       u8 bin[ilen+1];
+       int ret = 0;
+
+       bout[0] = 0x00;
+       bout[1] = cmd;
+       memcpy(&bout[2],o,olen);
+
+       ret = vp702x_usb_inout_op(d, bout, olen+2, bin, ilen+1,msec);
+
+       if (ret == 0)
+               memcpy(i,&bin[1],ilen);
+
+       return ret;
+}
+
+static int vp702x_pid_filter(struct dvb_usb_device *d, int index, u16 pid, int onoff)
+{
+       struct vp702x_state *st = d->priv;
+       u8 buf[9];
+
+       if (onoff) {
+               st->pid_table[16]   |=   1 << index;
+               st->pid_table[index*2]   = (pid >> 8) & 0xff;
+               st->pid_table[index*2+1] =  pid       & 0xff;
+       } else {
+               st->pid_table[16]   &= ~(1 << index);
+               st->pid_table[index*2] = st->pid_table[index*2+1] = 0;
+       }
+
+       return vp702x_usb_inout_cmd(d,SET_PID_FILTER,st->pid_table,17,buf,9,10);
+}
+
+static int vp702x_power_ctrl(struct dvb_usb_device *d, int onoff)
+{
+       vp702x_usb_in_op(d,RESET_TUNER,0,0,NULL,0);
+
+       vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
+       return vp702x_usb_in_op(d,SET_TUNER_POWER_REQ,0,onoff,NULL,0);
+}
+
+/* keys for the enclosed remote control */
+static struct dvb_usb_rc_key vp702x_rc_keys[] = {
+       { 0x00, 0x01, KEY_1 },
+       { 0x00, 0x02, KEY_2 },
+};
+
+/* remote control stuff (does not work with my box) */
+static int vp702x_rc_query(struct dvb_usb_device *d, u32 *event, int *state)
+{
+       u8 key[10];
+       int i;
+
+/* remove the following return to enabled remote querying */
+       return 0;
+
+       vp702x_usb_in_op(d,READ_REMOTE_REQ,0,0,key,10);
+
+       deb_rc("remote query key: %x %d\n",key[1],key[1]);
+
+       if (key[1] == 0x44) {
+               *state = REMOTE_NO_KEY_PRESSED;
+               return 0;
+       }
+
+       for (i = 0; i < ARRAY_SIZE(vp702x_rc_keys); i++)
+               if (vp702x_rc_keys[i].custom == key[1]) {
+                       *state = REMOTE_KEY_PRESSED;
+                       *event = vp702x_rc_keys[i].event;
+                       break;
+               }
+       return 0;
+}
+
+static int vp702x_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
+{
+       u8 macb[9];
+       if (vp702x_usb_inout_cmd(d, GET_MAC_ADDRESS, NULL, 0, macb, 9, 10))
+               return -EIO;
+       memcpy(mac,&macb[3],6);
+       return 0;
+}
+
+static int vp702x_frontend_attach(struct dvb_usb_device *d)
+{
+       u8 buf[9] = { 0 };
+
+       if (vp702x_usb_inout_cmd(d, GET_SYSTEM_STRING, NULL, 0, buf, 9, 10))
+               return -EIO;
+
+       buf[8] = '\0';
+       info("system string: %s",&buf[1]);
+
+       d->fe = vp702x_fe_attach(d);
+       return 0;
+}
+
+static struct dvb_usb_properties vp702x_properties;
+
+static int vp702x_usb_probe(struct usb_interface *intf,
+               const struct usb_device_id *id)
+{
+       struct usb_device *udev = interface_to_usbdev(intf);
+
+       usb_clear_halt(udev,usb_sndctrlpipe(udev,0));
+       usb_clear_halt(udev,usb_rcvctrlpipe(udev,0));
+
+       return dvb_usb_device_init(intf,&vp702x_properties,THIS_MODULE,NULL);
+}
+
+static struct usb_device_id vp702x_usb_table [] = {
+           { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_COLD) },
+           { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7021_WARM) },
+           { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_COLD) },
+           { USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7020_WARM) },
+           { 0 },
+};
+MODULE_DEVICE_TABLE(usb, vp702x_usb_table);
+
+static struct dvb_usb_properties vp702x_properties = {
+       .caps = DVB_USB_HAS_PID_FILTER | DVB_USB_NEED_PID_FILTERING,
+       .pid_filter_count = 8, /* !!! */
+
+       .usb_ctrl = CYPRESS_FX2,
+       .firmware = "dvb-usb-vp702x-01.fw",
+
+       .pid_filter       = vp702x_pid_filter,
+       .power_ctrl       = vp702x_power_ctrl,
+       .frontend_attach  = vp702x_frontend_attach,
+       .read_mac_address = vp702x_read_mac_addr,
+
+       .rc_key_map       = vp702x_rc_keys,
+       .rc_key_map_size  = ARRAY_SIZE(vp702x_rc_keys),
+       .rc_interval      = 400,
+       .rc_query         = vp702x_rc_query,
+
+       .size_of_priv     = sizeof(struct vp702x_state),
+
+       /* parameter for the MPEG2-data transfer */
+       .urb = {
+               .type = DVB_USB_BULK,
+               .count = 7,
+               .endpoint = 0x02,
+               .u = {
+                       .bulk = {
+                               .buffersize = 4096,
+                       }
+               }
+       },
+
+       .num_device_descs = 2,
+       .devices = {
+               { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7021)",
+                 .cold_ids = { &vp702x_usb_table[0], NULL },
+                 .warm_ids = { &vp702x_usb_table[1], NULL },
+               },
+               { .name = "TwinhanDTV StarBox DVB-S USB2.0 (VP7020)",
+                 .cold_ids = { &vp702x_usb_table[2], NULL },
+                 .warm_ids = { &vp702x_usb_table[3], NULL },
+               },
+               { 0 },
+       }
+};
+
+/* usb specific object needed to register this driver with the usb subsystem */
+static struct usb_driver vp702x_usb_driver = {
+       .name           = "dvb-usb-vp702x",
+       .probe          = vp702x_usb_probe,
+       .disconnect = dvb_usb_device_exit,
+       .id_table       = vp702x_usb_table,
+};
+
+/* module stuff */
+static int __init vp702x_usb_module_init(void)
+{
+       int result;
+       if ((result = usb_register(&vp702x_usb_driver))) {
+               err("usb_register failed. (%d)",result);
+               return result;
+       }
+
+       return 0;
+}
+
+static void __exit vp702x_usb_module_exit(void)
+{
+       /* deregister this driver from the USB subsystem */
+       usb_deregister(&vp702x_usb_driver);
+}
+
+module_init(vp702x_usb_module_init);
+module_exit(vp702x_usb_module_exit);
+
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
+MODULE_DESCRIPTION("Driver for Twinhan StarBox DVB-S USB2.0 and clones");
+MODULE_VERSION("1.0-alpha");
+MODULE_LICENSE("GPL");