This source file includes following definitions.
- dtv5100_i2c_msg
- dtv5100_i2c_xfer
- dtv5100_i2c_func
- dtv5100_frontend_attach
- dtv5100_tuner_attach
- dtv5100_probe
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11 #include "dtv5100.h"
12 #include "zl10353.h"
13 #include "qt1010.h"
14
15
16 static int dvb_usb_dtv5100_debug;
17 module_param_named(debug, dvb_usb_dtv5100_debug, int, 0644);
18 MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS);
19 DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr);
20
21 struct dtv5100_state {
22 unsigned char data[80];
23 };
24
25 static int dtv5100_i2c_msg(struct dvb_usb_device *d, u8 addr,
26 u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen)
27 {
28 struct dtv5100_state *st = d->priv;
29 u8 request;
30 u8 type;
31 u16 value;
32 u16 index;
33
34 switch (wlen) {
35 case 1:
36
37 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_READ :
38 DTV5100_TUNER_READ);
39 type = USB_TYPE_VENDOR | USB_DIR_IN;
40 value = 0;
41 break;
42 case 2:
43
44 request = (addr == DTV5100_DEMOD_ADDR ? DTV5100_DEMOD_WRITE :
45 DTV5100_TUNER_WRITE);
46 type = USB_TYPE_VENDOR | USB_DIR_OUT;
47 value = wbuf[1];
48 break;
49 default:
50 warn("wlen = %x, aborting.", wlen);
51 return -EINVAL;
52 }
53 index = (addr << 8) + wbuf[0];
54
55 memcpy(st->data, rbuf, rlen);
56 msleep(1);
57 return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), request,
58 type, value, index, st->data, rlen,
59 DTV5100_USB_TIMEOUT);
60 }
61
62
63 static int dtv5100_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[],
64 int num)
65 {
66 struct dvb_usb_device *d = i2c_get_adapdata(adap);
67 int i;
68
69 if (num > 2)
70 return -EINVAL;
71
72 if (mutex_lock_interruptible(&d->i2c_mutex) < 0)
73 return -EAGAIN;
74
75 for (i = 0; i < num; i++) {
76
77 if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) {
78 if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
79 msg[i].len, msg[i+1].buf,
80 msg[i+1].len) < 0)
81 break;
82 i++;
83 } else if (dtv5100_i2c_msg(d, msg[i].addr, msg[i].buf,
84 msg[i].len, NULL, 0) < 0)
85 break;
86 }
87
88 mutex_unlock(&d->i2c_mutex);
89 return i;
90 }
91
92 static u32 dtv5100_i2c_func(struct i2c_adapter *adapter)
93 {
94 return I2C_FUNC_I2C;
95 }
96
97 static struct i2c_algorithm dtv5100_i2c_algo = {
98 .master_xfer = dtv5100_i2c_xfer,
99 .functionality = dtv5100_i2c_func,
100 };
101
102
103 static struct zl10353_config dtv5100_zl10353_config = {
104 .demod_address = DTV5100_DEMOD_ADDR,
105 .no_tuner = 1,
106 .parallel_ts = 1,
107 };
108
109 static int dtv5100_frontend_attach(struct dvb_usb_adapter *adap)
110 {
111 adap->fe_adap[0].fe = dvb_attach(zl10353_attach, &dtv5100_zl10353_config,
112 &adap->dev->i2c_adap);
113 if (adap->fe_adap[0].fe == NULL)
114 return -EIO;
115
116
117 adap->fe_adap[0].fe->ops.i2c_gate_ctrl = NULL;
118
119 return 0;
120 }
121
122 static struct qt1010_config dtv5100_qt1010_config = {
123 .i2c_address = DTV5100_TUNER_ADDR
124 };
125
126 static int dtv5100_tuner_attach(struct dvb_usb_adapter *adap)
127 {
128 return dvb_attach(qt1010_attach,
129 adap->fe_adap[0].fe, &adap->dev->i2c_adap,
130 &dtv5100_qt1010_config) == NULL ? -ENODEV : 0;
131 }
132
133
134 static struct dvb_usb_device_properties dtv5100_properties;
135
136 static int dtv5100_probe(struct usb_interface *intf,
137 const struct usb_device_id *id)
138 {
139 int i, ret;
140 struct usb_device *udev = interface_to_usbdev(intf);
141
142
143 for (i = 0; dtv5100_init[i].request; i++) {
144 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0),
145 dtv5100_init[i].request,
146 USB_TYPE_VENDOR | USB_DIR_OUT,
147 dtv5100_init[i].value,
148 dtv5100_init[i].index, NULL, 0,
149 DTV5100_USB_TIMEOUT);
150 if (ret)
151 return ret;
152 }
153
154 ret = dvb_usb_device_init(intf, &dtv5100_properties,
155 THIS_MODULE, NULL, adapter_nr);
156 if (ret)
157 return ret;
158
159 return 0;
160 }
161
162 static struct usb_device_id dtv5100_table[] = {
163 { USB_DEVICE(0x06be, 0xa232) },
164 { }
165 };
166 MODULE_DEVICE_TABLE(usb, dtv5100_table);
167
168 static struct dvb_usb_device_properties dtv5100_properties = {
169 .caps = DVB_USB_IS_AN_I2C_ADAPTER,
170 .usb_ctrl = DEVICE_SPECIFIC,
171
172 .size_of_priv = sizeof(struct dtv5100_state),
173
174 .num_adapters = 1,
175 .adapter = {{
176 .num_frontends = 1,
177 .fe = {{
178 .frontend_attach = dtv5100_frontend_attach,
179 .tuner_attach = dtv5100_tuner_attach,
180
181 .stream = {
182 .type = USB_BULK,
183 .count = 8,
184 .endpoint = 0x82,
185 .u = {
186 .bulk = {
187 .buffersize = 4096,
188 }
189 }
190 },
191 }},
192 } },
193
194 .i2c_algo = &dtv5100_i2c_algo,
195
196 .num_device_descs = 1,
197 .devices = {
198 {
199 .name = "AME DTV-5100 USB2.0 DVB-T",
200 .cold_ids = { NULL },
201 .warm_ids = { &dtv5100_table[0], NULL },
202 },
203 }
204 };
205
206 static struct usb_driver dtv5100_driver = {
207 .name = "dvb_usb_dtv5100",
208 .probe = dtv5100_probe,
209 .disconnect = dvb_usb_device_exit,
210 .id_table = dtv5100_table,
211 };
212
213 module_usb_driver(dtv5100_driver);
214
215 MODULE_AUTHOR(DRIVER_AUTHOR);
216 MODULE_DESCRIPTION(DRIVER_DESC);
217 MODULE_LICENSE("GPL");