703 lines
17 KiB
C
703 lines
17 KiB
C
/* DVB USB compliant linux driver for IT9137
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*
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* Copyright (C) 2011 Malcolm Priestley (tvboxspy@gmail.com)
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* IT9137 (C) ITE Tech Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License Version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*
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* see Documentation/dvb/README.dvb-usb for more information
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* see Documentation/dvb/it9137.txt for firmware information
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*
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*/
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#define DVB_USB_LOG_PREFIX "it913x"
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#include <linux/usb.h>
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#include <linux/usb/input.h>
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#include <media/rc-core.h>
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#include "dvb-usb.h"
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#include "it913x-fe.h"
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/* debug */
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static int dvb_usb_it913x_debug;
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#define l_dprintk(var, level, args...) do { \
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if ((var >= level)) \
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printk(KERN_DEBUG DVB_USB_LOG_PREFIX ": " args); \
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} while (0)
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#define deb_info(level, args...) l_dprintk(dvb_usb_it913x_debug, level, args)
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#define debug_data_snipet(level, name, p) \
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deb_info(level, name" (%02x%02x%02x%02x%02x%02x%02x%02x)", \
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*p, *(p+1), *(p+2), *(p+3), *(p+4), \
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*(p+5), *(p+6), *(p+7));
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module_param_named(debug, dvb_usb_it913x_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=info (or-able))."
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DVB_USB_DEBUG_STATUS);
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static int pid_filter;
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module_param_named(pid, pid_filter, int, 0644);
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MODULE_PARM_DESC(pid, "set default 0=on 1=off");
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int cmd_counter;
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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struct it913x_state {
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u8 id;
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};
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struct ite_config {
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u8 chip_ver;
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u16 chip_type;
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u32 firmware;
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u8 tuner_id_0;
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u8 tuner_id_1;
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u8 dual_mode;
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};
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struct ite_config it913x_config;
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static int it913x_bulk_write(struct usb_device *dev,
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u8 *snd, int len, u8 pipe)
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{
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int ret, actual_l;
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ret = usb_bulk_msg(dev, usb_sndbulkpipe(dev, pipe),
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snd, len , &actual_l, 100);
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return ret;
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}
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static int it913x_bulk_read(struct usb_device *dev,
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u8 *rev, int len, u8 pipe)
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{
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int ret, actual_l;
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ret = usb_bulk_msg(dev, usb_rcvbulkpipe(dev, pipe),
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rev, len , &actual_l, 200);
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return ret;
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}
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static u16 check_sum(u8 *p, u8 len)
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{
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u16 sum = 0;
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u8 i = 1;
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while (i < len)
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sum += (i++ & 1) ? (*p++) << 8 : *p++;
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return ~sum;
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}
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static int it913x_io(struct usb_device *udev, u8 mode, u8 pro,
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u8 cmd, u32 reg, u8 addr, u8 *data, u8 len)
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{
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int ret = 0, i, buf_size = 1;
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u8 *buff;
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u8 rlen;
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u16 chk_sum;
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buff = kzalloc(256, GFP_KERNEL);
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if (!buff) {
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info("USB Buffer Failed");
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return -ENOMEM;
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}
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buff[buf_size++] = pro;
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buff[buf_size++] = cmd;
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buff[buf_size++] = cmd_counter;
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switch (mode) {
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case READ_LONG:
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case WRITE_LONG:
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buff[buf_size++] = len;
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buff[buf_size++] = 2;
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buff[buf_size++] = (reg >> 24);
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buff[buf_size++] = (reg >> 16) & 0xff;
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buff[buf_size++] = (reg >> 8) & 0xff;
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buff[buf_size++] = reg & 0xff;
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break;
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case READ_SHORT:
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buff[buf_size++] = addr;
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break;
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case WRITE_SHORT:
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buff[buf_size++] = len;
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buff[buf_size++] = addr;
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buff[buf_size++] = (reg >> 8) & 0xff;
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buff[buf_size++] = reg & 0xff;
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break;
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case READ_DATA:
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case WRITE_DATA:
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break;
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case WRITE_CMD:
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mode = 7;
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break;
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default:
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kfree(buff);
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return -EINVAL;
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}
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if (mode & 1) {
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for (i = 0; i < len ; i++)
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buff[buf_size++] = data[i];
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}
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chk_sum = check_sum(&buff[1], buf_size);
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buff[buf_size++] = chk_sum >> 8;
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buff[0] = buf_size;
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buff[buf_size++] = (chk_sum & 0xff);
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ret = it913x_bulk_write(udev, buff, buf_size , 0x02);
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ret |= it913x_bulk_read(udev, buff, (mode & 1) ?
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5 : len + 5 , 0x01);
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rlen = (mode & 0x1) ? 0x1 : len;
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if (mode & 1)
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ret |= buff[2];
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else
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memcpy(data, &buff[3], rlen);
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cmd_counter++;
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kfree(buff);
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return (ret < 0) ? -ENODEV : 0;
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}
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static int it913x_wr_reg(struct usb_device *udev, u8 pro, u32 reg , u8 data)
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{
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int ret;
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u8 b[1];
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b[0] = data;
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ret = it913x_io(udev, WRITE_LONG, pro,
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CMD_DEMOD_WRITE, reg, 0, b, sizeof(b));
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return ret;
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}
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static int it913x_read_reg(struct usb_device *udev, u32 reg)
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{
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int ret;
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u8 data[1];
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ret = it913x_io(udev, READ_LONG, DEV_0,
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CMD_DEMOD_READ, reg, 0, &data[0], 1);
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return (ret < 0) ? ret : data[0];
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}
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static u32 it913x_query(struct usb_device *udev, u8 pro)
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{
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int ret;
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u8 data[4];
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ret = it913x_io(udev, READ_LONG, pro, CMD_DEMOD_READ,
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0x1222, 0, &data[0], 3);
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it913x_config.chip_ver = data[0];
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it913x_config.chip_type = (u16)(data[2] << 8) + data[1];
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info("Chip Version=%02x Chip Type=%04x", it913x_config.chip_ver,
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it913x_config.chip_type);
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ret |= it913x_io(udev, READ_SHORT, pro,
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CMD_QUERYINFO, 0, 0x1, &data[0], 4);
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it913x_config.firmware = (data[0] << 24) + (data[1] << 16) +
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(data[2] << 8) + data[3];
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return (ret < 0) ? 0 : it913x_config.firmware;
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}
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static int it913x_pid_filter_ctrl(struct dvb_usb_adapter *adap, int onoff)
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{
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int ret = 0;
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u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
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if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
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return -EAGAIN;
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deb_info(1, "PID_C (%02x)", onoff);
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if (!onoff)
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ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
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mutex_unlock(&adap->dev->i2c_mutex);
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return ret;
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}
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static int it913x_pid_filter(struct dvb_usb_adapter *adap,
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int index, u16 pid, int onoff)
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{
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struct usb_device *udev = adap->dev->udev;
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int ret = 0;
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u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
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if (pid_filter > 0)
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return 0;
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if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
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return -EAGAIN;
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deb_info(1, "PID_F (%02x)", onoff);
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if (onoff) {
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ret = it913x_wr_reg(udev, pro, PID_EN, 0x1);
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ret |= it913x_wr_reg(udev, pro, PID_LSB, (u8)(pid & 0xff));
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ret |= it913x_wr_reg(udev, pro, PID_MSB, (u8)(pid >> 8));
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ret |= it913x_wr_reg(udev, pro, PID_INX_EN, (u8)onoff);
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ret |= it913x_wr_reg(udev, pro, PID_INX, (u8)(index & 0x1f));
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}
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mutex_unlock(&adap->dev->i2c_mutex);
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return 0;
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}
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static int it913x_return_status(struct usb_device *udev)
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{
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u32 firm = 0;
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firm = it913x_query(udev, DEV_0);
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if (firm > 0)
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info("Firmware Version %d", firm);
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return (firm > 0) ? firm : 0;
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}
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static int it913x_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
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int num)
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{
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struct dvb_usb_device *d = i2c_get_adapdata(adap);
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static u8 data[256];
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int ret;
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u32 reg;
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u8 pro;
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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debug_data_snipet(1, "Message out", msg[0].buf);
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deb_info(2, "num of messages %d address %02x", num, msg[0].addr);
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pro = (msg[0].addr & 0x2) ? DEV_0_DMOD : 0x0;
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pro |= (msg[0].addr & 0x20) ? DEV_1 : DEV_0;
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memcpy(data, msg[0].buf, msg[0].len);
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reg = (data[0] << 24) + (data[1] << 16) +
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(data[2] << 8) + data[3];
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if (num == 2) {
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ret = it913x_io(d->udev, READ_LONG, pro,
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CMD_DEMOD_READ, reg, 0, data, msg[1].len);
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memcpy(msg[1].buf, data, msg[1].len);
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} else
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ret = it913x_io(d->udev, WRITE_LONG, pro, CMD_DEMOD_WRITE,
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reg, 0, &data[4], msg[0].len - 4);
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mutex_unlock(&d->i2c_mutex);
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return ret;
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}
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static u32 it913x_i2c_func(struct i2c_adapter *adapter)
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{
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return I2C_FUNC_I2C;
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}
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static struct i2c_algorithm it913x_i2c_algo = {
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.master_xfer = it913x_i2c_xfer,
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.functionality = it913x_i2c_func,
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};
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/* Callbacks for DVB USB */
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#define IT913X_POLL 250
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static int it913x_rc_query(struct dvb_usb_device *d)
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{
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u8 ibuf[4];
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int ret;
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u32 key;
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/* Avoid conflict with frontends*/
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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ret = it913x_io(d->udev, READ_LONG, PRO_LINK, CMD_IR_GET,
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0, 0, &ibuf[0], sizeof(ibuf));
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if ((ibuf[2] + ibuf[3]) == 0xff) {
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key = ibuf[2];
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key += ibuf[0] << 8;
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deb_info(1, "INT Key =%08x", key);
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if (d->rc_dev != NULL)
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rc_keydown(d->rc_dev, key, 0);
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}
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mutex_unlock(&d->i2c_mutex);
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return ret;
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}
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static int it913x_identify_state(struct usb_device *udev,
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struct dvb_usb_device_properties *props,
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struct dvb_usb_device_description **desc,
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int *cold)
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{
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int ret = 0, firm_no;
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u8 reg, remote;
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firm_no = it913x_return_status(udev);
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/* checnk for dual mode */
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it913x_config.dual_mode = it913x_read_reg(udev, 0x49c5);
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/* TODO different remotes */
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remote = it913x_read_reg(udev, 0x49ac); /* Remote */
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if (remote == 0)
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props->rc.core.rc_codes = NULL;
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/* TODO at the moment tuner_id is always assigned to 0x38 */
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it913x_config.tuner_id_0 = it913x_read_reg(udev, 0x49d0);
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info("Dual mode=%x Remote=%x Tuner Type=%x", it913x_config.dual_mode
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, remote, it913x_config.tuner_id_0);
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if (firm_no > 0) {
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*cold = 0;
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return 0;
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}
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if (it913x_config.dual_mode) {
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it913x_config.tuner_id_1 = it913x_read_reg(udev, 0x49e0);
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ret = it913x_wr_reg(udev, DEV_0, GPIOH1_EN, 0x1);
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ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_ON, 0x1);
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ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x1);
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msleep(50);
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ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x0);
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msleep(50);
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reg = it913x_read_reg(udev, GPIOH1_O);
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if (reg == 0) {
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ret |= it913x_wr_reg(udev, DEV_0, GPIOH1_O, 0x1);
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ret |= it913x_return_status(udev);
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if (ret != 0)
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ret = it913x_wr_reg(udev, DEV_0,
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GPIOH1_O, 0x0);
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}
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props->num_adapters = 2;
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} else
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props->num_adapters = 1;
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reg = it913x_read_reg(udev, IO_MUX_POWER_CLK);
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if (it913x_config.dual_mode) {
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ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, CHIP2_I2C_ADDR);
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ret |= it913x_wr_reg(udev, DEV_0, CLK_O_EN, 0x1);
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} else {
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ret |= it913x_wr_reg(udev, DEV_0, 0x4bfb, 0x0);
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ret |= it913x_wr_reg(udev, DEV_0, CLK_O_EN, 0x0);
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}
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*cold = 1;
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return (ret < 0) ? -ENODEV : 0;
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}
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static int it913x_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
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{
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int ret = 0;
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u8 pro = (adap->id == 0) ? DEV_0_DMOD : DEV_1_DMOD;
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if (mutex_lock_interruptible(&adap->dev->i2c_mutex) < 0)
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return -EAGAIN;
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deb_info(1, "STM (%02x)", onoff);
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if (!onoff)
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ret = it913x_wr_reg(adap->dev->udev, pro, PID_RST, 0x1);
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mutex_unlock(&adap->dev->i2c_mutex);
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return ret;
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}
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static int it913x_download_firmware(struct usb_device *udev,
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const struct firmware *fw)
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{
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int ret = 0, i;
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u8 packet_size, dlen;
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u8 *fw_data;
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packet_size = 0x29;
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ret = it913x_wr_reg(udev, DEV_0, I2C_CLK, I2C_CLK_100);
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info("FRM Starting Firmware Download");
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/* This uses scatter write firmware headers follow */
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/* 03 XX 00 XX = chip number? */
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for (i = 0; i < fw->size; i += packet_size) {
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if (i > 0)
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packet_size = 0x39;
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fw_data = (u8 *)(fw->data + i);
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dlen = ((i + packet_size) > fw->size)
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? (fw->size - i) : packet_size;
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ret |= it913x_io(udev, WRITE_DATA, DEV_0,
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CMD_SCATTER_WRITE, 0, 0, fw_data, dlen);
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udelay(1000);
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}
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ret |= it913x_io(udev, WRITE_CMD, DEV_0,
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CMD_BOOT, 0, 0, NULL, 0);
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msleep(100);
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if (ret < 0)
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info("FRM Firmware Download Failed (%04x)" , ret);
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else
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info("FRM Firmware Download Completed - Resetting Device");
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ret |= it913x_return_status(udev);
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msleep(30);
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ret |= it913x_wr_reg(udev, DEV_0, I2C_CLK, I2C_CLK_400);
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/* Tuner function */
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if (it913x_config.dual_mode)
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ret |= it913x_wr_reg(udev, DEV_0_DMOD , 0xec4c, 0xa0);
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ret |= it913x_wr_reg(udev, DEV_0, PADODPU, 0x0);
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ret |= it913x_wr_reg(udev, DEV_0, AGC_O_D, 0x0);
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if (it913x_config.dual_mode) {
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ret |= it913x_wr_reg(udev, DEV_1, PADODPU, 0x0);
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ret |= it913x_wr_reg(udev, DEV_1, AGC_O_D, 0x0);
|
|
}
|
|
|
|
return (ret < 0) ? -ENODEV : 0;
|
|
}
|
|
|
|
static int it913x_name(struct dvb_usb_adapter *adap)
|
|
{
|
|
const char *desc = adap->dev->desc->name;
|
|
char *fe_name[] = {"_1", "_2", "_3", "_4"};
|
|
char *name = adap->fe_adap[0].fe->ops.info.name;
|
|
|
|
strlcpy(name, desc, 128);
|
|
strlcat(name, fe_name[adap->id], 128);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int it913x_frontend_attach(struct dvb_usb_adapter *adap)
|
|
{
|
|
struct usb_device *udev = adap->dev->udev;
|
|
int ret = 0;
|
|
u8 adf = it913x_read_reg(udev, IO_MUX_POWER_CLK);
|
|
u8 adap_addr = I2C_BASE_ADDR + (adap->id << 5);
|
|
u16 ep_size = adap->props.fe[0].stream.u.bulk.buffersize;
|
|
u8 tuner_id, tuner_type;
|
|
|
|
if (adap->id == 0)
|
|
tuner_id = it913x_config.tuner_id_0;
|
|
else
|
|
tuner_id = it913x_config.tuner_id_1;
|
|
|
|
/* TODO we always use IT9137 possible references here*/
|
|
/* Documentation suggests don't care */
|
|
switch (tuner_id) {
|
|
case 0x51:
|
|
case 0x52:
|
|
case 0x60:
|
|
case 0x61:
|
|
case 0x62:
|
|
default:
|
|
case 0x38:
|
|
tuner_type = IT9137;
|
|
}
|
|
|
|
adap->fe_adap[0].fe = dvb_attach(it913x_fe_attach,
|
|
&adap->dev->i2c_adap, adap_addr, adf, tuner_type);
|
|
|
|
if (adap->id == 0 && adap->fe_adap[0].fe) {
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x0f);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP0_TX_NAK, 0x1b);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x2f);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_LSB,
|
|
ep_size & 0xff);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP4_TX_LEN_MSB, ep_size >> 8);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP4_MAX_PKT, 0x80);
|
|
} else if (adap->id == 1 && adap->fe_adap[0].fe) {
|
|
ret = it913x_wr_reg(udev, DEV_0, EP0_TX_EN, 0x6f);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_LSB,
|
|
ep_size & 0xff);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP5_TX_LEN_MSB, ep_size >> 8);
|
|
ret = it913x_wr_reg(udev, DEV_0, EP5_MAX_PKT, 0x80);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_EN, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_SERIAL, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_1, TOP_HOSTB_SER_MODE, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, TSIS_ENABLE, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2_SW_RST, 0x0);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_SW_RST, 0x0);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF2_HALF_PSB, 0x0);
|
|
ret = it913x_wr_reg(udev, DEV_0_DMOD, MP2IF_STOP_EN, 0x1);
|
|
ret = it913x_wr_reg(udev, DEV_1_DMOD, MPEG_FULL_SPEED, 0x0);
|
|
ret = it913x_wr_reg(udev, DEV_1_DMOD, MP2IF_STOP_EN, 0x0);
|
|
} else
|
|
return -ENODEV;
|
|
|
|
ret = it913x_name(adap);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* DVB USB Driver */
|
|
static struct dvb_usb_device_properties it913x_properties;
|
|
|
|
static int it913x_probe(struct usb_interface *intf,
|
|
const struct usb_device_id *id)
|
|
{
|
|
cmd_counter = 0;
|
|
if (0 == dvb_usb_device_init(intf, &it913x_properties,
|
|
THIS_MODULE, NULL, adapter_nr)) {
|
|
info("DEV registering device driver");
|
|
return 0;
|
|
}
|
|
|
|
info("DEV it913x Error");
|
|
return -ENODEV;
|
|
|
|
}
|
|
|
|
static struct usb_device_id it913x_table[] = {
|
|
{ USB_DEVICE(USB_VID_KWORLD_2, USB_PID_KWORLD_UB499_2T_T09) },
|
|
{ USB_DEVICE(USB_VID_ITETECH, USB_PID_ITETECH_IT9135) },
|
|
{} /* Terminating entry */
|
|
};
|
|
|
|
MODULE_DEVICE_TABLE(usb, it913x_table);
|
|
|
|
static struct dvb_usb_device_properties it913x_properties = {
|
|
.caps = DVB_USB_IS_AN_I2C_ADAPTER,
|
|
.usb_ctrl = DEVICE_SPECIFIC,
|
|
.download_firmware = it913x_download_firmware,
|
|
.firmware = "dvb-usb-it9137-01.fw",
|
|
.no_reconnect = 1,
|
|
.size_of_priv = sizeof(struct it913x_state),
|
|
.num_adapters = 2,
|
|
.adapter = {
|
|
{
|
|
.num_frontends = 1,
|
|
.fe = {{
|
|
.caps = DVB_USB_ADAP_HAS_PID_FILTER|
|
|
DVB_USB_ADAP_NEED_PID_FILTERING|
|
|
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
|
|
.streaming_ctrl = it913x_streaming_ctrl,
|
|
.pid_filter_count = 31,
|
|
.pid_filter = it913x_pid_filter,
|
|
.pid_filter_ctrl = it913x_pid_filter_ctrl,
|
|
.frontend_attach = it913x_frontend_attach,
|
|
/* parameter for the MPEG2-data transfer */
|
|
.stream = {
|
|
.type = USB_BULK,
|
|
.count = 10,
|
|
.endpoint = 0x04,
|
|
.u = {/* Keep Low if PID filter on */
|
|
.bulk = {
|
|
.buffersize = 3584,
|
|
|
|
}
|
|
}
|
|
}
|
|
}},
|
|
},
|
|
{
|
|
.num_frontends = 1,
|
|
.fe = {{
|
|
.caps = DVB_USB_ADAP_HAS_PID_FILTER|
|
|
DVB_USB_ADAP_NEED_PID_FILTERING|
|
|
DVB_USB_ADAP_PID_FILTER_CAN_BE_TURNED_OFF,
|
|
.streaming_ctrl = it913x_streaming_ctrl,
|
|
.pid_filter_count = 31,
|
|
.pid_filter = it913x_pid_filter,
|
|
.pid_filter_ctrl = it913x_pid_filter_ctrl,
|
|
.frontend_attach = it913x_frontend_attach,
|
|
/* parameter for the MPEG2-data transfer */
|
|
.stream = {
|
|
.type = USB_BULK,
|
|
.count = 5,
|
|
.endpoint = 0x05,
|
|
.u = {
|
|
.bulk = {
|
|
.buffersize = 3584,
|
|
|
|
}
|
|
}
|
|
}
|
|
}},
|
|
}
|
|
},
|
|
.identify_state = it913x_identify_state,
|
|
.rc.core = {
|
|
.protocol = RC_TYPE_NEC,
|
|
.module_name = "it913x",
|
|
.rc_query = it913x_rc_query,
|
|
.rc_interval = IT913X_POLL,
|
|
.allowed_protos = RC_TYPE_NEC,
|
|
.rc_codes = RC_MAP_KWORLD_315U,
|
|
},
|
|
.i2c_algo = &it913x_i2c_algo,
|
|
.num_device_descs = 2,
|
|
.devices = {
|
|
{ "Kworld UB499-2T T09(IT9137)",
|
|
{ &it913x_table[0], NULL },
|
|
},
|
|
{ "ITE 9135 Generic",
|
|
{ &it913x_table[1], NULL },
|
|
},
|
|
}
|
|
};
|
|
|
|
static struct usb_driver it913x_driver = {
|
|
.name = "it913x",
|
|
.probe = it913x_probe,
|
|
.disconnect = dvb_usb_device_exit,
|
|
.id_table = it913x_table,
|
|
};
|
|
|
|
/* module stuff */
|
|
static int __init it913x_module_init(void)
|
|
{
|
|
int result = usb_register(&it913x_driver);
|
|
if (result) {
|
|
err("usb_register failed. Error number %d", result);
|
|
return result;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit it913x_module_exit(void)
|
|
{
|
|
/* deregister this driver from the USB subsystem */
|
|
usb_deregister(&it913x_driver);
|
|
}
|
|
|
|
module_init(it913x_module_init);
|
|
module_exit(it913x_module_exit);
|
|
|
|
MODULE_AUTHOR("Malcolm Priestley <tvboxspy@gmail.com>");
|
|
MODULE_DESCRIPTION("it913x USB 2 Driver");
|
|
MODULE_VERSION("1.07");
|
|
MODULE_LICENSE("GPL");
|