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Release 4.11 drivers/media/usb/dvb-usb-v2/au6610.c

/*
 * DVB USB Linux driver for Alcor Micro AU6610 DVB-T USB2.0.
 *
 * Copyright (C) 2006 Antti Palosaari <crope@iki.fi>
 *
 *    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; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 */

#include "au6610.h"
#include "zl10353.h"
#include "qt1010.h"


DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);


static int au6610_usb_msg(struct dvb_usb_device *d, u8 operation, u8 addr, u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { int ret; u16 index; u8 *usb_buf; /* * allocate enough for all known requests, * read returns 5 and write 6 bytes */ usb_buf = kmalloc(6, GFP_KERNEL); if (!usb_buf) return -ENOMEM; switch (wlen) { case 1: index = wbuf[0] << 8; break; case 2: index = wbuf[0] << 8; index += wbuf[1]; break; default: dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n", KBUILD_MODNAME, wlen); ret = -EINVAL; goto error; } ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), operation, USB_TYPE_VENDOR|USB_DIR_IN, addr << 1, index, usb_buf, 6, AU6610_USB_TIMEOUT); dvb_usb_dbg_usb_control_msg(d->udev, operation, (USB_TYPE_VENDOR|USB_DIR_IN), addr << 1, index, usb_buf, 6); if (ret < 0) goto error; switch (operation) { case AU6610_REQ_I2C_READ: case AU6610_REQ_USB_READ: /* requested value is always 5th byte in buffer */ rbuf[0] = usb_buf[4]; } error: kfree(usb_buf); return ret; }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari18882.82%466.67%
Florian Mickler3716.30%116.67%
Aapo Tahkola20.88%116.67%
Total227100.00%6100.00%


static int au6610_i2c_msg(struct dvb_usb_device *d, u8 addr, u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) { u8 request; u8 wo = (rbuf == NULL || rlen == 0); /* write-only */ if (wo) { request = AU6610_REQ_I2C_WRITE; } else { /* rw */ request = AU6610_REQ_I2C_READ; } return au6610_usb_msg(d, request, addr, wbuf, wlen, rbuf, rlen); }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari81100.00%1100.00%
Total81100.00%1100.00%

/* I2C */
static int au6610_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], int num) { struct dvb_usb_device *d = i2c_get_adapdata(adap); int i; if (num > 2) return -EINVAL; if (mutex_lock_interruptible(&d->i2c_mutex) < 0) return -EAGAIN; for (i = 0; i < num; i++) { /* write/read request */ if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf, msg[i].len, msg[i+1].buf, msg[i+1].len) < 0) break; i++; } else if (au6610_i2c_msg(d, msg[i].addr, msg[i].buf, msg[i].len, NULL, 0) < 0) break; } mutex_unlock(&d->i2c_mutex); return i; }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari18694.90%150.00%
Roel Kluin105.10%150.00%
Total196100.00%2100.00%


static u32 au6610_i2c_func(struct i2c_adapter *adapter) { return I2C_FUNC_I2C; }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari14100.00%1100.00%
Total14100.00%1100.00%

static struct i2c_algorithm au6610_i2c_algo = { .master_xfer = au6610_i2c_xfer, .functionality = au6610_i2c_func, }; /* Callbacks for DVB USB */ static struct zl10353_config au6610_zl10353_config = { .demod_address = 0x0f, .no_tuner = 1, .parallel_ts = 1, };
static int au6610_zl10353_frontend_attach(struct dvb_usb_adapter *adap) { adap->fe[0] = dvb_attach(zl10353_attach, &au6610_zl10353_config, &adap_to_d(adap)->i2c_adap); if (adap->fe[0] == NULL) return -ENODEV; return 0; }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari52100.00%6100.00%
Total52100.00%6100.00%

static struct qt1010_config au6610_qt1010_config = { .i2c_address = 0x62 };
static int au6610_qt1010_tuner_attach(struct dvb_usb_adapter *adap) { return dvb_attach(qt1010_attach, adap->fe[0], &adap_to_d(adap)->i2c_adap, &au6610_qt1010_config) == NULL ? -ENODEV : 0; }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari42100.00%4100.00%
Total42100.00%4100.00%


static int au6610_init(struct dvb_usb_device *d) { /* TODO: this functionality belongs likely to the streaming control */ /* bInterfaceNumber 0, bAlternateSetting 5 */ return usb_set_interface(d->udev, 0, 5); }

Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari25100.00%2100.00%
Total25100.00%2100.00%

static struct dvb_usb_device_properties au6610_props = { .driver_name = KBUILD_MODNAME, .owner = THIS_MODULE, .adapter_nr = adapter_nr, .i2c_algo = &au6610_i2c_algo, .frontend_attach = au6610_zl10353_frontend_attach, .tuner_attach = au6610_qt1010_tuner_attach, .init = au6610_init, .num_adapters = 1, .adapter = { { .stream = DVB_USB_STREAM_ISOC(0x82, 5, 40, 942, 1), }, }, }; static const struct usb_device_id au6610_id_table[] = { { DVB_USB_DEVICE(USB_VID_ALCOR_MICRO, USB_PID_SIGMATEK_DVB_110, &au6610_props, "Sigmatek DVB-110", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, au6610_id_table); static struct usb_driver au6610_driver = { .name = KBUILD_MODNAME, .id_table = au6610_id_table, .probe = dvb_usbv2_probe, .disconnect = dvb_usbv2_disconnect, .suspend = dvb_usbv2_suspend, .resume = dvb_usbv2_resume, .reset_resume = dvb_usbv2_reset_resume, .no_dynamic_id = 1, .soft_unbind = 1, }; module_usb_driver(au6610_driver); MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); MODULE_DESCRIPTION("Driver for Alcor Micro AU6610 DVB-T USB2.0"); MODULE_VERSION("0.1"); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
Antti Palosaari82292.78%1161.11%
Florian Mickler374.18%15.56%
Roel Kluin101.13%15.56%
Michael Ira Krufky50.56%15.56%
Janne Grunau50.56%15.56%
Aapo Tahkola40.45%15.56%
Greg Kroah-Hartman20.23%15.56%
Sakari Ailus10.11%15.56%
Total886100.00%18100.00%
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