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 
umt_mt352_demod_init(struct dvb_frontend * fe)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 
umt_mt352_frontend_attach(struct dvb_usb_adapter * adap)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 
umt_tuner_attach(struct dvb_usb_adapter * adap)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 
umt_probe(struct usb_interface * intf,const struct usb_device_id * id)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 = "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 
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");
155