/* Linux driver for devices based on the DiBcom DiB0700 USB bridge * * 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. * * Copyright (C) 2005-6 DiBcom, SA */ #include "dib0700.h" /* debug */ int dvb_usb_dib0700_debug; module_param_named(debug,dvb_usb_dib0700_debug, int, 0644); MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS); static int nb_packet_buffer_size = 21; module_param(nb_packet_buffer_size, int, 0644); MODULE_PARM_DESC(nb_packet_buffer_size, "Set the dib0700 driver data buffer size. This parameter " "corresponds to the number of TS packets. The actual size of " "the data buffer corresponds to this parameter " "multiplied by 188 (default: 21)"); DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion, u32 *romversion, u32 *ramversion, u32 *fwtype) { struct dib0700_state *st = d->priv; int ret; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, st->buf, 16, USB_CTRL_GET_TIMEOUT); if (hwversion != NULL) *hwversion = (st->buf[0] << 24) | (st->buf[1] << 16) | (st->buf[2] << 8) | st->buf[3]; if (romversion != NULL) *romversion = (st->buf[4] << 24) | (st->buf[5] << 16) | (st->buf[6] << 8) | st->buf[7]; if (ramversion != NULL) *ramversion = (st->buf[8] << 24) | (st->buf[9] << 16) | (st->buf[10] << 8) | st->buf[11]; if (fwtype != NULL) *fwtype = (st->buf[12] << 24) | (st->buf[13] << 16) | (st->buf[14] << 8) | st->buf[15]; mutex_unlock(&d->usb_mutex); return ret; } /* expecting rx buffer: request data[0] data[1] ... data[2] */ static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen) { int status; deb_data(">>> "); debug_dump(tx, txlen, deb_data); status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0), tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen, USB_CTRL_GET_TIMEOUT); if (status != txlen) deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen); return status < 0 ? status : 0; } /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */ int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) { u16 index, value; int status; if (txlen < 2) { err("tx buffer length is smaller than 2. Makes no sense."); return -EINVAL; } if (txlen > 4) { err("tx buffer length is larger than 4. Not supported."); return -EINVAL; } deb_data(">>> "); debug_dump(tx,txlen,deb_data); value = ((txlen - 2) << 8) | tx[1]; index = 0; if (txlen > 2) index |= (tx[2] << 8); if (txlen > 3) index |= tx[3]; status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0], USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen, USB_CTRL_GET_TIMEOUT); if (status < 0) deb_info("ep 0 read error (status = %d)\n",status); deb_data("<<< "); debug_dump(rx, rxlen, deb_data); return status; /* length in case of success */ } int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val) { struct dib0700_state *st = d->priv; int ret; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } st->buf[0] = REQUEST_SET_GPIO; st->buf[1] = gpio; st->buf[2] = ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6); ret = dib0700_ctrl_wr(d, st->buf, 3); mutex_unlock(&d->usb_mutex); return ret; } static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets) { struct dib0700_state *st = d->priv; int ret; if (st->fw_version >= 0x10201) { if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } st->buf[0] = REQUEST_SET_USB_XFER_LEN; st->buf[1] = (nb_ts_packets >> 8) & 0xff; st->buf[2] = nb_ts_packets & 0xff; deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets); ret = dib0700_ctrl_wr(d, st->buf, 3); mutex_unlock(&d->usb_mutex); } else { deb_info("this firmware does not allow to change the USB xfer len\n"); ret = -EIO; } return ret; } /* * I2C master xfer function (supported in 1.20 firmware) */ static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, int num) { /* The new i2c firmware messages are more reliable and in particular properly support i2c read calls not preceded by a write */ struct dvb_usb_device *d = i2c_get_adapdata(adap); struct dib0700_state *st = d->priv; uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */ uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */ uint8_t en_start = 0; uint8_t en_stop = 0; int result, i; /* Ensure nobody else hits the i2c bus while we're sending our sequence of messages, (such as the remote control thread) */ if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EINTR; for (i = 0; i < num; i++) { if (i == 0) { /* First message in the transaction */ en_start = 1; } else if (!(msg[i].flags & I2C_M_NOSTART)) { /* Device supports repeated-start */ en_start = 1; } else { /* Not the first packet and device doesn't support repeated start */ en_start = 0; } if (i == (num - 1)) { /* Last message in the transaction */ en_stop = 1; } if (msg[i].flags & I2C_M_RD) { /* Read request */ u16 index, value; uint8_t i2c_dest; i2c_dest = (msg[i].addr << 1); value = ((en_start << 7) | (en_stop << 6) | (msg[i].len & 0x3F)) << 8 | i2c_dest; /* I2C ctrl + FE bus; */ index = ((gen_mode << 6) & 0xC0) | ((bus_mode << 4) & 0x30); result = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), REQUEST_NEW_I2C_READ, USB_TYPE_VENDOR | USB_DIR_IN, value, index, msg[i].buf, msg[i].len, USB_CTRL_GET_TIMEOUT); if (result < 0) { deb_info("i2c read error (status = %d)\n", result); break; } deb_data("<<< "); debug_dump(msg[i].buf, msg[i].len, deb_data); } else { /* Write request */ if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); mutex_unlock(&d->i2c_mutex); return -EINTR; } st->buf[0] = REQUEST_NEW_I2C_WRITE; st->buf[1] = msg[i].addr << 1; st->buf[2] = (en_start << 7) | (en_stop << 6) | (msg[i].len & 0x3F); /* I2C ctrl + FE bus; */ st->buf[3] = ((gen_mode << 6) & 0xC0) | ((bus_mode << 4) & 0x30); /* The Actual i2c payload */ memcpy(&st->buf[4], msg[i].buf, msg[i].len); deb_data(">>> "); debug_dump(st->buf, msg[i].len + 4, deb_data); result = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev, 0), REQUEST_NEW_I2C_WRITE, USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, st->buf, msg[i].len + 4, USB_CTRL_GET_TIMEOUT); mutex_unlock(&d->usb_mutex); if (result < 0) { deb_info("i2c write error (status = %d)\n", result); break; } } } mutex_unlock(&d->i2c_mutex); return i; } /* * I2C master xfer function (pre-1.20 firmware) */ static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, struct i2c_msg *msg, int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct dib0700_state *st = d->priv; int i,len; if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EINTR; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); mutex_unlock(&d->i2c_mutex); return -EINTR; } for (i = 0; i < num; i++) { /* fill in the address */ st->buf[1] = msg[i].addr << 1; /* fill the buffer */ memcpy(&st->buf[2], msg[i].buf, msg[i].len); /* write/read request */ if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { st->buf[0] = REQUEST_I2C_READ; st->buf[1] |= 1; /* special thing in the current firmware: when length is zero the read-failed */ len = dib0700_ctrl_rd(d, st->buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len); if (len <= 0) { deb_info("I2C read failed on address 0x%02x\n", msg[i].addr); break; } msg[i+1].len = len; i++; } else { st->buf[0] = REQUEST_I2C_WRITE; if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0) break; } } mutex_unlock(&d->usb_mutex); mutex_unlock(&d->i2c_mutex); return i; } static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); struct dib0700_state *st = d->priv; if (st->fw_use_new_i2c_api == 1) { /* User running at least fw 1.20 */ return dib0700_i2c_xfer_new(adap, msg, num); } else { /* Use legacy calls */ return dib0700_i2c_xfer_legacy(adap, msg, num); } } static u32 dib0700_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; } struct i2c_algorithm dib0700_i2c_algo = { .master_xfer = dib0700_i2c_xfer, .functionality = dib0700_i2c_func, }; int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, struct dvb_usb_device_description **desc, int *cold) { s16 ret; u8 *b; b = kmalloc(16, GFP_KERNEL); if (!b) return -ENOMEM; ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT); deb_info("FW GET_VERSION length: %d\n",ret); *cold = ret <= 0; deb_info("cold: %d\n", *cold); kfree(b); return 0; } static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll, u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv, u16 pll_loopdiv, u16 free_div, u16 dsuScaler) { struct dib0700_state *st = d->priv; int ret; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } st->buf[0] = REQUEST_SET_CLOCK; st->buf[1] = (en_pll << 7) | (pll_src << 6) | (pll_range << 5) | (clock_gpio3 << 4); st->buf[2] = (pll_prediv >> 8) & 0xff; /* MSB */ st->buf[3] = pll_prediv & 0xff; /* LSB */ st->buf[4] = (pll_loopdiv >> 8) & 0xff; /* MSB */ st->buf[5] = pll_loopdiv & 0xff; /* LSB */ st->buf[6] = (free_div >> 8) & 0xff; /* MSB */ st->buf[7] = free_div & 0xff; /* LSB */ st->buf[8] = (dsuScaler >> 8) & 0xff; /* MSB */ st->buf[9] = dsuScaler & 0xff; /* LSB */ ret = dib0700_ctrl_wr(d, st->buf, 10); mutex_unlock(&d->usb_mutex); return ret; } int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz) { struct dib0700_state *st = d->priv; u16 divider; int ret; if (scl_kHz == 0) return -EINVAL; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } st->buf[0] = REQUEST_SET_I2C_PARAM; divider = (u16) (30000 / scl_kHz); st->buf[1] = 0; st->buf[2] = (u8) (divider >> 8); st->buf[3] = (u8) (divider & 0xff); divider = (u16) (72000 / scl_kHz); st->buf[4] = (u8) (divider >> 8); st->buf[5] = (u8) (divider & 0xff); divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */ st->buf[6] = (u8) (divider >> 8); st->buf[7] = (u8) (divider & 0xff); deb_info("setting I2C speed: %04x %04x %04x (%d kHz).", (st->buf[2] << 8) | (st->buf[3]), (st->buf[4] << 8) | st->buf[5], (st->buf[6] << 8) | st->buf[7], scl_kHz); ret = dib0700_ctrl_wr(d, st->buf, 8); mutex_unlock(&d->usb_mutex); return ret; } int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3) { switch (clk_MHz) { case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break; default: return -EINVAL; } return 0; } static int dib0700_jumpram(struct usb_device *udev, u32 address) { int ret = 0, actlen; u8 *buf; buf = kmalloc(8, GFP_KERNEL); if (!buf) return -ENOMEM; buf[0] = REQUEST_JUMPRAM; buf[1] = 0; buf[2] = 0; buf[3] = 0; buf[4] = (address >> 24) & 0xff; buf[5] = (address >> 16) & 0xff; buf[6] = (address >> 8) & 0xff; buf[7] = address & 0xff; if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) { deb_fw("jumpram to 0x%x failed\n",address); goto out; } if (actlen != 8) { deb_fw("jumpram to 0x%x failed\n",address); ret = -EIO; goto out; } out: kfree(buf); return ret; } int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw) { struct hexline hx; int pos = 0, ret, act_len, i, adap_num; u8 *buf; u32 fw_version; buf = kmalloc(260, GFP_KERNEL); if (!buf) return -ENOMEM; while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", hx.addr, hx.len, hx.chk); buf[0] = hx.len; buf[1] = (hx.addr >> 8) & 0xff; buf[2] = hx.addr & 0xff; buf[3] = hx.type; memcpy(&buf[4],hx.data,hx.len); buf[4+hx.len] = hx.chk; ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01), buf, hx.len + 5, &act_len, 1000); if (ret < 0) { err("firmware download failed at %d with %d",pos,ret); goto out; } } if (ret == 0) { /* start the firmware */ if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) { info("firmware started successfully."); msleep(500); } } else ret = -EIO; /* the number of ts packet has to be at least 1 */ if (nb_packet_buffer_size < 1) nb_packet_buffer_size = 1; /* get the fimware version */ usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, buf, 16, USB_CTRL_GET_TIMEOUT); fw_version = (buf[8] << 24) | (buf[9] << 16) | (buf[10] << 8) | buf[11]; /* set the buffer size - DVB-USB is allocating URB buffers * only after the firwmare download was successful */ for (i = 0; i < dib0700_device_count; i++) { for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters; adap_num++) { if (fw_version >= 0x10201) { dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 188*nb_packet_buffer_size; } else { /* for fw version older than 1.20.1, * the buffersize has to be n times 512 */ dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512; if (dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize < 512) dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 512; } } } out: kfree(buf); return ret; } int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) { struct dib0700_state *st = adap->dev->priv; int ret; if ((onoff != 0) && (st->fw_version >= 0x10201)) { /* for firmware later than 1.20.1, * the USB xfer length can be set */ ret = dib0700_set_usb_xfer_len(adap->dev, st->nb_packet_buffer_size); if (ret < 0) { deb_info("can not set the USB xfer len\n"); return ret; } } mutex_lock(&adap->dev->usb_mutex); st->buf[0] = REQUEST_ENABLE_VIDEO; /* this bit gives a kind of command, * rather than enabling something or not */ st->buf[1] = (onoff << 4) | 0x00; if (st->disable_streaming_master_mode == 1) st->buf[2] = 0x00; else st->buf[2] = 0x01 << 4; /* Master mode */ st->buf[3] = 0x00; deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); st->channel_state &= ~0x3; if ((adap->fe_adap[0].stream.props.endpoint != 2) && (adap->fe_adap[0].stream.props.endpoint != 3)) { deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint); if (onoff) st->channel_state |= 1 << (adap->id); else st->channel_state |= 1 << ~(adap->id); } else { if (onoff) st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2); else st->channel_state |= 1 << (3-adap->fe_adap[0].stream.props.endpoint); } st->buf[2] |= st->channel_state; deb_info("data for streaming: %x %x\n", st->buf[1], st->buf[2]); ret = dib0700_ctrl_wr(adap->dev, st->buf, 4); mutex_unlock(&adap->dev->usb_mutex); return ret; } int dib0700_change_protocol(struct rc_dev *rc, u64 *rc_type) { struct dvb_usb_device *d = rc->priv; struct dib0700_state *st = d->priv; int new_proto, ret; if (mutex_lock_interruptible(&d->usb_mutex) < 0) { err("could not acquire lock"); return -EINTR; } st->buf[0] = REQUEST_SET_RC; st->buf[1] = 0; st->buf[2] = 0; /* Set the IR mode */ if (*rc_type & RC_BIT_RC5) { new_proto = 1; *rc_type = RC_BIT_RC5; } else if (*rc_type & RC_BIT_NEC) { new_proto = 0; *rc_type = RC_BIT_NEC; } else if (*rc_type & RC_BIT_RC6_MCE) { if (st->fw_version < 0x10200) { ret = -EINVAL; goto out; } new_proto = 2; *rc_type = RC_BIT_RC6_MCE; } else { ret = -EINVAL; goto out; } st->buf[1] = new_proto; ret = dib0700_ctrl_wr(d, st->buf, 3); if (ret < 0) { err("ir protocol setup failed"); goto out; } d->props.rc.core.protocol = *rc_type; out: mutex_unlock(&d->usb_mutex); return ret; } /* This is the structure of the RC response packet starting in firmware 1.20 */ struct dib0700_rc_response { u8 report_id; u8 data_state; union { struct { u8 system; u8 not_system; u8 data; u8 not_data; } nec; struct { u8 not_used; u8 system; u8 data; u8 not_data; } rc5; }; }; #define RC_MSG_SIZE_V1_20 6 static void dib0700_rc_urb_completion(struct urb *purb) { struct dvb_usb_device *d = purb->context; struct dib0700_rc_response *poll_reply; enum rc_type protocol; u32 keycode; u8 toggle; deb_info("%s()\n", __func__); if (d->rc_dev == NULL) { /* This will occur if disable_rc_polling=1 */ kfree(purb->transfer_buffer); usb_free_urb(purb); return; } poll_reply = purb->transfer_buffer; if (purb->status < 0) { deb_info("discontinuing polling\n"); kfree(purb->transfer_buffer); usb_free_urb(purb); return; } if (purb->actual_length != RC_MSG_SIZE_V1_20) { deb_info("malformed rc msg size=%d\n", purb->actual_length); goto resubmit; } deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n", poll_reply->report_id, poll_reply->data_state, poll_reply->nec.system, poll_reply->nec.not_system, poll_reply->nec.data, poll_reply->nec.not_data, purb->actual_length); switch (d->props.rc.core.protocol) { case RC_BIT_NEC: protocol = RC_TYPE_NEC; toggle = 0; /* NEC protocol sends repeat code as 0 0 0 FF */ if (poll_reply->nec.system == 0x00 && poll_reply->nec.not_system == 0x00 && poll_reply->nec.data == 0x00 && poll_reply->nec.not_data == 0xff) { poll_reply->data_state = 2; rc_repeat(d->rc_dev); goto resubmit; } if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) { deb_data("NEC32 protocol\n"); keycode = RC_SCANCODE_NEC32(poll_reply->nec.system << 24 | poll_reply->nec.not_system << 16 | poll_reply->nec.data << 8 | poll_reply->nec.not_data); } else if ((poll_reply->nec.system ^ poll_reply->nec.not_system) != 0xff) { deb_data("NEC extended protocol\n"); keycode = RC_SCANCODE_NECX(poll_reply->nec.system << 8 | poll_reply->nec.not_system, poll_reply->nec.data); } else { deb_data("NEC normal protocol\n"); keycode = RC_SCANCODE_NEC(poll_reply->nec.system, poll_reply->nec.data); } break; default: deb_data("RC5 protocol\n"); protocol = RC_TYPE_RC5; toggle = poll_reply->report_id; keycode = RC_SCANCODE_RC5(poll_reply->rc5.system, poll_reply->rc5.data); if ((poll_reply->rc5.data ^ poll_reply->rc5.not_data) != 0xff) { /* Key failed integrity check */ err("key failed integrity check: %02x %02x %02x %02x", poll_reply->rc5.not_used, poll_reply->rc5.system, poll_reply->rc5.data, poll_reply->rc5.not_data); goto resubmit; } break; } rc_keydown(d->rc_dev, protocol, keycode, toggle); resubmit: /* Clean the buffer before we requeue */ memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20); /* Requeue URB */ usb_submit_urb(purb, GFP_ATOMIC); } int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf) { struct dib0700_state *st = d->priv; struct urb *purb; const struct usb_endpoint_descriptor *e; int ret, rc_ep = 1; unsigned int pipe = 0; /* Poll-based. Don't initialize bulk mode */ if (st->fw_version < 0x10200 || !intf) return 0; /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ if (intf->cur_altsetting->desc.bNumEndpoints < rc_ep + 1) return -ENODEV; purb = usb_alloc_urb(0, GFP_KERNEL); if (purb == NULL) { err("rc usb alloc urb failed"); return -ENOMEM; } purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL); if (purb->transfer_buffer == NULL) { err("rc kzalloc failed"); usb_free_urb(purb); return -ENOMEM; } purb->status = -EINPROGRESS; /* * Some devices like the Hauppauge NovaTD model 52009 use an interrupt * endpoint, while others use a bulk one. */ e = &intf->cur_altsetting->endpoint[rc_ep].desc; if (usb_endpoint_dir_in(e)) { if (usb_endpoint_xfer_bulk(e)) { pipe = usb_rcvbulkpipe(d->udev, rc_ep); usb_fill_bulk_urb(purb, d->udev, pipe, purb->transfer_buffer, RC_MSG_SIZE_V1_20, dib0700_rc_urb_completion, d); } else if (usb_endpoint_xfer_int(e)) { pipe = usb_rcvintpipe(d->udev, rc_ep); usb_fill_int_urb(purb, d->udev, pipe, purb->transfer_buffer, RC_MSG_SIZE_V1_20, dib0700_rc_urb_completion, d, 1); } } if (!pipe) { err("There's no endpoint for remote controller"); kfree(purb->transfer_buffer); usb_free_urb(purb); return 0; } ret = usb_submit_urb(purb, GFP_ATOMIC); if (ret) { err("rc submit urb failed"); kfree(purb->transfer_buffer); usb_free_urb(purb); } return ret; } static int dib0700_probe(struct usb_interface *intf, const struct usb_device_id *id) { int i; struct dvb_usb_device *dev; for (i = 0; i < dib0700_device_count; i++) if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, &dev, adapter_nr) == 0) { struct dib0700_state *st = dev->priv; u32 hwversion, romversion, fw_version, fwtype; dib0700_get_version(dev, &hwversion, &romversion, &fw_version, &fwtype); deb_info("Firmware version: %x, %d, 0x%x, %d\n", hwversion, romversion, fw_version, fwtype); st->fw_version = fw_version; st->nb_packet_buffer_size = (u32)nb_packet_buffer_size; /* Disable polling mode on newer firmwares */ if (st->fw_version >= 0x10200) dev->props.rc.core.bulk_mode = true; else dev->props.rc.core.bulk_mode = false; dib0700_rc_setup(dev, intf); return 0; } return -ENODEV; } static struct usb_driver dib0700_driver = { .name = "dvb_usb_dib0700", .probe = dib0700_probe, .disconnect = dvb_usb_device_exit, .id_table = dib0700_usb_id_table, }; module_usb_driver(dib0700_driver); MODULE_FIRMWARE("dvb-usb-dib0700-1.20.fw"); MODULE_AUTHOR("Patrick Boettcher "); MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge"); MODULE_VERSION("1.0"); MODULE_LICENSE("GPL");