cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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umt-010.c (4222B)

      1// SPDX-License-Identifier: GPL-2.0-only
      2/* DVB USB framework compliant Linux driver for the HanfTek UMT-010 USB2.0
      3 * DVB-T receiver.
      4 *
      5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
      6 *
      7 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
      8 */
      9#include "dibusb.h"
     10
     11#include "mt352.h"
     12
     13DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
     14
     15static int umt_mt352_demod_init(struct dvb_frontend *fe)
     16{
     17	static u8 mt352_clock_config[] = { 0x89, 0xb8, 0x2d };
     18	static u8 mt352_reset[] = { 0x50, 0x80 };
     19	static u8 mt352_mclk_ratio[] = { 0x8b, 0x00 };
     20	static u8 mt352_adc_ctl_1_cfg[] = { 0x8E, 0x40 };
     21	static u8 mt352_agc_cfg[] = { 0x67, 0x10, 0xa0 };
     22
     23	static u8 mt352_sec_agc_cfg1[] = { 0x6a, 0xff };
     24	static u8 mt352_sec_agc_cfg2[] = { 0x6d, 0xff };
     25	static u8 mt352_sec_agc_cfg3[] = { 0x70, 0x40 };
     26	static u8 mt352_sec_agc_cfg4[] = { 0x7b, 0x03 };
     27	static u8 mt352_sec_agc_cfg5[] = { 0x7d, 0x0f };
     28
     29	static u8 mt352_acq_ctl[] = { 0x53, 0x50 };
     30	static u8 mt352_input_freq_1[] = { 0x56, 0x31, 0x06 };
     31
     32	mt352_write(fe, mt352_clock_config, sizeof(mt352_clock_config));
     33	udelay(2000);
     34	mt352_write(fe, mt352_reset, sizeof(mt352_reset));
     35	mt352_write(fe, mt352_mclk_ratio, sizeof(mt352_mclk_ratio));
     36
     37	mt352_write(fe, mt352_adc_ctl_1_cfg, sizeof(mt352_adc_ctl_1_cfg));
     38	mt352_write(fe, mt352_agc_cfg, sizeof(mt352_agc_cfg));
     39
     40	mt352_write(fe, mt352_sec_agc_cfg1, sizeof(mt352_sec_agc_cfg1));
     41	mt352_write(fe, mt352_sec_agc_cfg2, sizeof(mt352_sec_agc_cfg2));
     42	mt352_write(fe, mt352_sec_agc_cfg3, sizeof(mt352_sec_agc_cfg3));
     43	mt352_write(fe, mt352_sec_agc_cfg4, sizeof(mt352_sec_agc_cfg4));
     44	mt352_write(fe, mt352_sec_agc_cfg5, sizeof(mt352_sec_agc_cfg5));
     45
     46	mt352_write(fe, mt352_acq_ctl, sizeof(mt352_acq_ctl));
     47	mt352_write(fe, mt352_input_freq_1, sizeof(mt352_input_freq_1));
     48
     49	return 0;
     50}
     51
     52static int umt_mt352_frontend_attach(struct dvb_usb_adapter *adap)
     53{
     54	struct mt352_config umt_config;
     55
     56	memset(&umt_config,0,sizeof(struct mt352_config));
     57	umt_config.demod_init = umt_mt352_demod_init;
     58	umt_config.demod_address = 0xf;
     59
     60	adap->fe_adap[0].fe = dvb_attach(mt352_attach, &umt_config, &adap->dev->i2c_adap);
     61
     62	return 0;
     63}
     64
     65static int umt_tuner_attach (struct dvb_usb_adapter *adap)
     66{
     67	dvb_attach(dvb_pll_attach, adap->fe_adap[0].fe, 0x61, NULL, DVB_PLL_TUA6034);
     68	return 0;
     69}
     70
     71/* USB Driver stuff */
     72static struct dvb_usb_device_properties umt_properties;
     73
     74static int umt_probe(struct usb_interface *intf,
     75		const struct usb_device_id *id)
     76{
     77	if (0 == dvb_usb_device_init(intf, &umt_properties,
     78				     THIS_MODULE, NULL, adapter_nr))
     79		return 0;
     80	return -EINVAL;
     81}
     82
     83/* do not change the order of the ID table */
     84enum {
     85	HANFTEK_UMT_010_COLD,
     86	HANFTEK_UMT_010_WARM,
     87};
     88
     89static struct usb_device_id umt_table[] = {
     90	DVB_USB_DEV(HANFTEK, HANFTEK_UMT_010_COLD),
     91	DVB_USB_DEV(HANFTEK, HANFTEK_UMT_010_WARM),
     92	{ }
     93};
     94
     95MODULE_DEVICE_TABLE (usb, umt_table);
     96
     97static struct dvb_usb_device_properties umt_properties = {
     98	.caps = DVB_USB_IS_AN_I2C_ADAPTER,
     99
    100	.usb_ctrl = CYPRESS_FX2,
    101	.firmware = "dvb-usb-umt-010-02.fw",
    102
    103	.num_adapters = 1,
    104	.adapter = {
    105		{
    106		.num_frontends = 1,
    107		.fe = {{
    108			.streaming_ctrl   = dibusb2_0_streaming_ctrl,
    109			.frontend_attach  = umt_mt352_frontend_attach,
    110			.tuner_attach     = umt_tuner_attach,
    111
    112			/* parameter for the MPEG2-data transfer */
    113			.stream = {
    114				.type = USB_BULK,
    115				.count = MAX_NO_URBS_FOR_DATA_STREAM,
    116				.endpoint = 0x06,
    117				.u = {
    118					.bulk = {
    119						.buffersize = 512,
    120					}
    121				}
    122			},
    123		}},
    124			.size_of_priv     = sizeof(struct dibusb_state),
    125		}
    126	},
    127	.power_ctrl       = dibusb_power_ctrl,
    128
    129	.i2c_algo         = &dibusb_i2c_algo,
    130
    131	.generic_bulk_ctrl_endpoint = 0x01,
    132
    133	.num_device_descs = 1,
    134	.devices = {
    135		{	"Hanftek UMT-010 DVB-T USB2.0",
    136			{ &umt_table[HANFTEK_UMT_010_COLD], NULL },
    137			{ &umt_table[HANFTEK_UMT_010_WARM], NULL },
    138		},
    139	}
    140};
    141
    142static struct usb_driver umt_driver = {
    143	.name		= "dvb_usb_umt_010",
    144	.probe		= umt_probe,
    145	.disconnect = dvb_usb_device_exit,
    146	.id_table	= umt_table,
    147};
    148
    149module_usb_driver(umt_driver);
    150
    151MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
    152MODULE_DESCRIPTION("Driver for HanfTek UMT 010 USB2.0 DVB-T device");
    153MODULE_VERSION("1.0");
    154MODULE_LICENSE("GPL");