diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_core.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dib0700_core.c | 845 |
1 files changed, 0 insertions, 845 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c deleted file mode 100644 index 7e9e00fae04e..000000000000 --- a/drivers/media/dvb/dvb-usb/dib0700_core.c +++ /dev/null @@ -1,845 +0,0 @@ -/* 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; - } - } - - if (mutex_lock_interruptible(&adap->dev->usb_mutex) < 0) { - err("could not acquire lock"); - return -EINTR; - } - - 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_TYPE_RC5) - new_proto = 1; - else if (rc_type == RC_TYPE_NEC) - new_proto = 0; - else if (rc_type == RC_TYPE_RC6) { - if (st->fw_version < 0x10200) { - ret = -EINVAL; - goto out; - } - - new_proto = 2; - } 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; -} - -/* Number of keypresses to ignore before start repeating */ -#define RC_REPEAT_DELAY_V1_20 10 - -/* 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 { - u16 system16; - struct { - u8 not_system; - u8 system; - }; - }; - u8 data; - u8 not_data; -}; -#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; - u32 uninitialized_var(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->system, poll_reply->not_system, - poll_reply->data, poll_reply->not_data, - purb->actual_length); - - switch (d->props.rc.core.protocol) { - case RC_TYPE_NEC: - toggle = 0; - - /* NEC protocol sends repeat code as 0 0 0 FF */ - if ((poll_reply->system == 0x00) && (poll_reply->data == 0x00) - && (poll_reply->not_data == 0xff)) { - poll_reply->data_state = 2; - break; - } - - if ((poll_reply->system ^ poll_reply->not_system) != 0xff) { - deb_data("NEC extended protocol\n"); - /* NEC extended code - 24 bits */ - keycode = be16_to_cpu(poll_reply->system16) << 8 | poll_reply->data; - } else { - deb_data("NEC normal protocol\n"); - /* normal NEC code - 16 bits */ - keycode = poll_reply->system << 8 | poll_reply->data; - } - - break; - default: - deb_data("RC5 protocol\n"); - /* RC5 Protocol */ - toggle = poll_reply->report_id; - keycode = poll_reply->system << 8 | poll_reply->data; - - break; - } - - if ((poll_reply->data + poll_reply->not_data) != 0xff) { - /* Key failed integrity check */ - err("key failed integrity check: %04x %02x %02x", - poll_reply->system, - poll_reply->data, poll_reply->not_data); - goto resubmit; - } - - rc_keydown(d->rc_dev, 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 dib0700_state *st = d->priv; - struct urb *purb; - int ret; - - /* Poll-based. Don't initialize bulk mode */ - if (st->fw_version < 0x10200) - return 0; - - /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ - purb = usb_alloc_urb(0, GFP_KERNEL); - if (purb == NULL) { - err("rc usb alloc urb failed\n"); - return -ENOMEM; - } - - purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL); - if (purb->transfer_buffer == NULL) { - err("rc kzalloc failed\n"); - usb_free_urb(purb); - return -ENOMEM; - } - - purb->status = -EINPROGRESS; - usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1), - purb->transfer_buffer, RC_MSG_SIZE_V1_20, - dib0700_rc_urb_completion, d); - - ret = usb_submit_urb(purb, GFP_ATOMIC); - if (ret) { - err("rc submit urb failed\n"); - 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); - - 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 <pboettcher@dibcom.fr>"); -MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge"); -MODULE_VERSION("1.0"); -MODULE_LICENSE("GPL"); |