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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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776338e121
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>
264 lines
6.4 KiB
C
264 lines
6.4 KiB
C
/* DVB USB compliant Linux driver for the
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* - TwinhanDTV Alpha/MagicBoxII USB2.0 DVB-T receiver
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* - DigitalNow TinyUSB2 DVB-t receiver
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*
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* Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
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*
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* Thanks to Twinhan who kindly provided hardware and information.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation, version 2.
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*
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* see Documentation/dvb/README.dvb-usb for more information
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*/
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#include "vp7045.h"
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/* debug */
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int dvb_usb_vp7045_debug;
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module_param_named(debug,dvb_usb_vp7045_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info,xfer=2,rc=4 (or-able))." DVB_USB_DEBUG_STATUS);
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int vp7045_usb_op(struct dvb_usb_device *d, u8 cmd, u8 *out, int outlen, u8 *in, int inlen, int msec)
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{
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int ret = 0;
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u8 inbuf[12] = { 0 }, outbuf[20] = { 0 };
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outbuf[0] = cmd;
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if (outlen > 19)
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outlen = 19;
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if (inlen > 11)
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inlen = 11;
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if (out != NULL && outlen > 0)
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memcpy(&outbuf[1], out, outlen);
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deb_xfer("out buffer: ");
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debug_dump(outbuf,outlen+1,deb_xfer);
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if ((ret = down_interruptible(&d->usb_sem)))
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return ret;
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if (usb_control_msg(d->udev,
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usb_sndctrlpipe(d->udev,0),
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TH_COMMAND_OUT, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0,
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outbuf, 20, 2*HZ) != 20) {
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err("USB control message 'out' went wrong.");
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ret = -EIO;
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goto unlock;
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}
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msleep(msec);
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if (usb_control_msg(d->udev,
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usb_rcvctrlpipe(d->udev,0),
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TH_COMMAND_IN, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
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inbuf, 12, 2*HZ) != 12) {
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err("USB control message 'in' went wrong.");
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ret = -EIO;
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goto unlock;
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}
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deb_xfer("in buffer: ");
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debug_dump(inbuf,12,deb_xfer);
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if (in != NULL && inlen > 0)
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memcpy(in,&inbuf[1],inlen);
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unlock:
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up(&d->usb_sem);
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return ret;
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}
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u8 vp7045_read_reg(struct dvb_usb_device *d, u8 reg)
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{
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u8 obuf[2] = { 0 },v;
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obuf[1] = reg;
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vp7045_usb_op(d,TUNER_REG_READ,obuf,2,&v,1,30);
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return v;
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}
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static int vp7045_power_ctrl(struct dvb_usb_device *d, int onoff)
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{
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u8 v = onoff;
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return vp7045_usb_op(d,SET_TUNER_POWER,&v,1,NULL,0,150);
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}
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/* remote control stuff */
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/* The keymapping struct. Somehow this should be loaded to the driver, but
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* currently it is hardcoded. */
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static struct dvb_usb_rc_key vp7045_rc_keys[] = {
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/* insert the keys like this. to make the raw keys visible, enable
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* debug=0x04 when loading dvb-usb-vp7045. */
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/* these keys are probably wrong. I don't have a working IR-receiver on my
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* vp7045, so I can't test it. Patches are welcome. */
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{ 0x00, 0x01, KEY_1 },
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{ 0x00, 0x02, KEY_2 },
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};
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static int vp7045_rc_query(struct dvb_usb_device *d, u32 *key_buf, int *state)
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{
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u8 key;
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int i;
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vp7045_usb_op(d,RC_VAL_READ,NULL,0,&key,1,20);
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deb_rc("remote query key: %x %d\n",key,key);
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if (key == 0x44) {
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*state = REMOTE_NO_KEY_PRESSED;
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return 0;
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}
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for (i = 0; i < sizeof(vp7045_rc_keys)/sizeof(struct dvb_usb_rc_key); i++)
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if (vp7045_rc_keys[i].data == key) {
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*state = REMOTE_KEY_PRESSED;
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*key_buf = vp7045_rc_keys[i].event;
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break;
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}
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return 0;
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}
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static int vp7045_read_eeprom(struct dvb_usb_device *d,u8 *buf, int len, int offset)
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{
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int i = 0;
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u8 v,br[2];
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for (i=0; i < len; i++) {
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v = offset + i;
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vp7045_usb_op(d,GET_EE_VALUE,&v,1,br,2,5);
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buf[i] = br[1];
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}
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deb_info("VP7045 EEPROM read (offs: %d, len: %d) : ",offset, i);
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debug_dump(buf,i,deb_info);
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return 0;
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}
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static int vp7045_read_mac_addr(struct dvb_usb_device *d,u8 mac[6])
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{
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return vp7045_read_eeprom(d,mac, 6, MAC_0_ADDR);
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}
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static int vp7045_frontend_attach(struct dvb_usb_device *d)
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{
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u8 buf[255] = { 0 };
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vp7045_usb_op(d,VENDOR_STRING_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("firmware says: %s ",buf);
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vp7045_usb_op(d,PRODUCT_STRING_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("%s ",buf);
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vp7045_usb_op(d,FW_VERSION_READ,NULL,0,buf,20,0);
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buf[10] = '\0';
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deb_info("v%s\n",buf);
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/* Dump the EEPROM */
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/* vp7045_read_eeprom(d,buf, 255, FX2_ID_ADDR); */
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d->fe = vp7045_fe_attach(d);
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return 0;
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}
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static struct dvb_usb_properties vp7045_properties;
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static int vp7045_usb_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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return dvb_usb_device_init(intf,&vp7045_properties,THIS_MODULE);
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}
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static struct usb_device_id vp7045_usb_table [] = {
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_TWINHAN_VP7045_WARM) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_COLD) },
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{ USB_DEVICE(USB_VID_VISIONPLUS, USB_PID_DNTV_TINYUSB2_WARM) },
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{ 0 },
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};
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MODULE_DEVICE_TABLE(usb, vp7045_usb_table);
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static struct dvb_usb_properties vp7045_properties = {
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.caps = 0,
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.usb_ctrl = CYPRESS_FX2,
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.firmware = "dvb-usb-vp7045-01.fw",
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.power_ctrl = vp7045_power_ctrl,
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.frontend_attach = vp7045_frontend_attach,
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.read_mac_address = vp7045_read_mac_addr,
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.rc_interval = 400,
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.rc_key_map = vp7045_rc_keys,
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.rc_key_map_size = ARRAY_SIZE(vp7045_rc_keys),
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.rc_query = vp7045_rc_query,
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/* parameter for the MPEG2-data transfer */
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.urb = {
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.type = DVB_USB_BULK,
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.count = 7,
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.endpoint = 0x02,
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.u = {
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.bulk = {
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.buffersize = 4096,
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}
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}
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},
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.num_device_descs = 2,
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.devices = {
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{ .name = "Twinhan USB2.0 DVB-T receiver (TwinhanDTV Alpha/MagicBox II)",
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.cold_ids = { &vp7045_usb_table[0], NULL },
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.warm_ids = { &vp7045_usb_table[1], NULL },
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},
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{ .name = "DigitalNow TinyUSB 2 DVB-t Receiver",
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.cold_ids = { &vp7045_usb_table[2], NULL },
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.warm_ids = { &vp7045_usb_table[3], NULL },
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},
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{ 0 },
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}
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};
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/* usb specific object needed to register this driver with the usb subsystem */
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static struct usb_driver vp7045_usb_driver = {
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.owner = THIS_MODULE,
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.name = "dvb-usb-vp7045",
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.probe = vp7045_usb_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = vp7045_usb_table,
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};
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/* module stuff */
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static int __init vp7045_usb_module_init(void)
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{
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int result;
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if ((result = usb_register(&vp7045_usb_driver))) {
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err("usb_register failed. (%d)",result);
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return result;
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}
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return 0;
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}
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static void __exit vp7045_usb_module_exit(void)
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{
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/* deregister this driver from the USB subsystem */
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usb_deregister(&vp7045_usb_driver);
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}
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module_init(vp7045_usb_module_init);
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module_exit(vp7045_usb_module_exit);
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MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@desy.de>");
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MODULE_DESCRIPTION("Driver for Twinhan MagicBox/Alpha and DNTV tinyUSB2 DVB-T USB2.0");
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MODULE_VERSION("1.0");
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MODULE_LICENSE("GPL");
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