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![Greg Kroah-Hartman](/assets/img/avatar_default.png)
This converts the drivers in drivers/media/* to use the module_usb_driver() macro which makes the code smaller and a bit simpler. Added bonus is that it removes some unneeded kernel log messages about drivers loading and/or unloading. Cc: Mauro Carvalho Chehab <mchehab@infradead.org> Cc: Luca Risolia <luca.risolia@studio.unibo.it> Cc: Jean-Francois Moine <moinejf@free.fr> Cc: Frank Zago <frank@zago.net> Cc: Olivier Lorin <o.lorin@laposte.net> Cc: Erik Andren <erik.andren@gmail.com> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Brian Johnson <brijohn@gmail.com> Cc: Leandro Costantino <lcostantino@gmail.com> Cc: Antoine Jacquet <royale@zerezo.com> Cc: Jarod Wilson <jarod@redhat.com> Cc: Florian Mickler <florian@mickler.org> Cc: Antti Palosaari <crope@iki.fi> Cc: Michael Krufky <mkrufky@kernellabs.com> Cc: "David Härdeman" <david@hardeman.nu> Cc: Florent Audebert <florent.audebert@anevia.com> Cc: Sam Doshi <sam@metal-fish.co.uk> Cc: Manu Abraham <manu@linuxtv.org> Cc: Olivier Grenie <olivier.grenie@dibcom.fr> Cc: Patrick Boettcher <patrick.boettcher@dibcom.fr> Cc: "Igor M. Liplianin" <liplianin@me.by> Cc: Derek Kelly <user.vdr@gmail.com> Cc: Malcolm Priestley <tvboxspy@gmail.com> Cc: Steven Toth <stoth@kernellabs.com> Cc: "André Weidemann" <Andre.Weidemann@web.de> Cc: Martin Wilks <m.wilks@technisat.com> Cc: Tejun Heo <tj@kernel.org> Cc: Jose Alberto Reguero <jareguero@telefonica.net> Cc: David Henningsson <david.henningsson@canonical.com> Cc: Paul Gortmaker <paul.gortmaker@windriver.com> Cc: Joe Perches <joe@perches.com> Cc: Jesper Juhl <jj@chaosbits.net> Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi> Cc: Hans Verkuil <hans.verkuil@cisco.com> Cc: Alexey Khoroshilov <khoroshilov@ispras.ru> Cc: Anssi Hannula <anssi.hannula@iki.fi> Cc: Rafi Rubin <rafi@seas.upenn.edu> Cc: Dan Carpenter <error27@gmail.com> Cc: Paul Bender <pebender@gmail.com> Cc: Devin Heitmueller <dheitmueller@kernellabs.com> Cc: "Márcio A Alves" <froooozen@gmail.com> Cc: Julia Lawall <julia@diku.dk> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Chris Rankin <rankincj@yahoo.com> Cc: Lee Jones <lee.jones@canonical.com> Cc: Andy Walls <awalls@md.metrocast.net> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Dean Anderson <linux-dev@sensoray.com> Cc: Pete Eberlein <pete@sensoray.com> Cc: Arvydas Sidorenko <asido4@gmail.com> Cc: Andrea Anacleto <andreaanacleto@libero.it> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
217 lines
4.7 KiB
C
217 lines
4.7 KiB
C
/* DVB USB compliant linux driver for GL861 USB2.0 devices.
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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
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* Free 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 "gl861.h"
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#include "zl10353.h"
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#include "qt1010.h"
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/* debug */
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static int dvb_usb_gl861_debug;
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module_param_named(debug, dvb_usb_gl861_debug, int, 0644);
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MODULE_PARM_DESC(debug, "set debugging level (1=rc (or-able))."
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DVB_USB_DEBUG_STATUS);
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DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
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static int gl861_i2c_msg(struct dvb_usb_device *d, u8 addr,
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u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
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{
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u16 index;
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u16 value = addr << (8 + 1);
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int wo = (rbuf == NULL || rlen == 0); /* write-only */
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u8 req, type;
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if (wo) {
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req = GL861_REQ_I2C_WRITE;
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type = GL861_WRITE;
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} else { /* rw */
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req = GL861_REQ_I2C_READ;
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type = GL861_READ;
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}
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switch (wlen) {
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case 1:
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index = wbuf[0];
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break;
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case 2:
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index = wbuf[0];
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value = value + wbuf[1];
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break;
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default:
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warn("wlen = %x, aborting.", wlen);
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return -EINVAL;
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}
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msleep(1); /* avoid I2C errors */
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return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), req, type,
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value, index, rbuf, rlen, 2000);
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}
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/* I2C */
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static int gl861_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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int i;
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if (num > 2)
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return -EINVAL;
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if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
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return -EAGAIN;
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for (i = 0; i < num; i++) {
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/* write/read request */
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if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
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if (gl861_i2c_msg(d, msg[i].addr, msg[i].buf,
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msg[i].len, msg[i+1].buf, msg[i+1].len) < 0)
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break;
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i++;
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} else
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if (gl861_i2c_msg(d, msg[i].addr, msg[i].buf,
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msg[i].len, NULL, 0) < 0)
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break;
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}
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mutex_unlock(&d->i2c_mutex);
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return i;
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}
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static u32 gl861_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 gl861_i2c_algo = {
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.master_xfer = gl861_i2c_xfer,
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.functionality = gl861_i2c_func,
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};
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/* Callbacks for DVB USB */
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static struct zl10353_config gl861_zl10353_config = {
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.demod_address = 0x0f,
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.no_tuner = 1,
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.parallel_ts = 1,
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};
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static int gl861_frontend_attach(struct dvb_usb_adapter *adap)
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{
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adap->fe_adap[0].fe = dvb_attach(zl10353_attach, &gl861_zl10353_config,
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&adap->dev->i2c_adap);
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if (adap->fe_adap[0].fe == NULL)
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return -EIO;
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return 0;
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}
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static struct qt1010_config gl861_qt1010_config = {
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.i2c_address = 0x62
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};
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static int gl861_tuner_attach(struct dvb_usb_adapter *adap)
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{
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return dvb_attach(qt1010_attach,
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adap->fe_adap[0].fe, &adap->dev->i2c_adap,
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&gl861_qt1010_config) == NULL ? -ENODEV : 0;
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}
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/* DVB USB Driver stuff */
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static struct dvb_usb_device_properties gl861_properties;
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static int gl861_probe(struct usb_interface *intf,
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const struct usb_device_id *id)
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{
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struct dvb_usb_device *d;
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struct usb_host_interface *alt;
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int ret;
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if (intf->num_altsetting < 2)
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return -ENODEV;
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ret = dvb_usb_device_init(intf, &gl861_properties, THIS_MODULE, &d,
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adapter_nr);
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if (ret == 0) {
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alt = usb_altnum_to_altsetting(intf, 0);
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if (alt == NULL) {
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deb_rc("not alt found!\n");
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return -ENODEV;
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}
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ret = usb_set_interface(d->udev, alt->desc.bInterfaceNumber,
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alt->desc.bAlternateSetting);
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}
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return ret;
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}
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static struct usb_device_id gl861_table [] = {
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{ USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580_55801) },
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{ USB_DEVICE(USB_VID_ALINK, USB_VID_ALINK_DTU) },
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{ } /* Terminating entry */
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};
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MODULE_DEVICE_TABLE(usb, gl861_table);
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static struct dvb_usb_device_properties gl861_properties = {
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.caps = DVB_USB_IS_AN_I2C_ADAPTER,
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.usb_ctrl = DEVICE_SPECIFIC,
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.size_of_priv = 0,
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.num_adapters = 1,
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.adapter = {{
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.num_frontends = 1,
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.fe = {{
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.frontend_attach = gl861_frontend_attach,
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.tuner_attach = gl861_tuner_attach,
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.stream = {
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.type = USB_BULK,
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.count = 7,
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.endpoint = 0x81,
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.u = {
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.bulk = {
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.buffersize = 512,
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}
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}
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},
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}},
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} },
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.i2c_algo = &gl861_i2c_algo,
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.num_device_descs = 2,
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.devices = {
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{
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.name = "MSI Mega Sky 55801 DVB-T USB2.0",
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.cold_ids = { NULL },
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.warm_ids = { &gl861_table[0], NULL },
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},
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{
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.name = "A-LINK DTU DVB-T USB2.0",
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.cold_ids = { NULL },
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.warm_ids = { &gl861_table[1], NULL },
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},
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}
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};
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static struct usb_driver gl861_driver = {
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.name = "dvb_usb_gl861",
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.probe = gl861_probe,
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.disconnect = dvb_usb_device_exit,
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.id_table = gl861_table,
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};
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module_usb_driver(gl861_driver);
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MODULE_AUTHOR("Carl Lundqvist <comabug@gmail.com>");
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MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / GL861");
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MODULE_VERSION("0.1");
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MODULE_LICENSE("GPL");
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