drivers/media/usb/dvb-usb/umt-010.c

   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
  13 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
  14
  15 static 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
  52 static 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
  65 static 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 */
  72 static struct dvb_usb_device_properties umt_properties;
  73
  74 static 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 */
  84 enum {
  85         HANFTEK_UMT_010_COLD,
  86         HANFTEK_UMT_010_WARM,
  87 };
  88
  89 static 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
  95 MODULE_DEVICE_TABLE (usb, umt_table);
  96
  97 static struct dvb_usb_device_properties umt_properties = {
  98         .caps = DVB_USB_IS_AN_I2C_ADAPTER,
  99
 100         .usb_ctrl = CYPRESS_FX2,
 101         .firmware = "/*(DEBLOBBED)*/",
 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
 142 static 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
 149 module_usb_driver(umt_driver);
 150
 151 MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
 152 MODULE_DESCRIPTION("Driver for HanfTek UMT 010 USB2.0 DVB-T device");
 153 MODULE_VERSION("1.0");
 154 MODULE_LICENSE("GPL");