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f0c3a2ca CL |
1 | /* DVB USB compliant linux driver for GL861 USB2.0 devices. |
2 | * | |
3 | * This program is free software; you can redistribute it and/or modify it | |
fb49558c AP |
4 | * under the terms of the GNU General Public License as published by the |
5 | * Free Software Foundation, version 2. | |
f0c3a2ca CL |
6 | * |
7 | * see Documentation/dvb/README.dvb-usb for more information | |
8 | */ | |
9 | #include "gl861.h" | |
10 | ||
11 | #include "zl10353.h" | |
12 | #include "qt1010.h" | |
13 | ||
78e92006 JG |
14 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
15 | ||
f0c3a2ca | 16 | static int gl861_i2c_msg(struct dvb_usb_device *d, u8 addr, |
1f78867b | 17 | u8 *wbuf, u16 wlen, u8 *rbuf, u16 rlen) |
f0c3a2ca CL |
18 | { |
19 | u16 index; | |
26a154c3 | 20 | u16 value = addr << (8 + 1); |
f0c3a2ca CL |
21 | int wo = (rbuf == NULL || rlen == 0); /* write-only */ |
22 | u8 req, type; | |
23 | ||
24 | if (wo) { | |
25 | req = GL861_REQ_I2C_WRITE; | |
26 | type = GL861_WRITE; | |
27 | } else { /* rw */ | |
28 | req = GL861_REQ_I2C_READ; | |
29 | type = GL861_READ; | |
30 | } | |
31 | ||
32 | switch (wlen) { | |
1f78867b MK |
33 | case 1: |
34 | index = wbuf[0]; | |
35 | break; | |
36 | case 2: | |
37 | index = wbuf[0]; | |
38 | value = value + wbuf[1]; | |
39 | break; | |
40 | default: | |
81527688 AP |
41 | dev_err(&d->udev->dev, "%s: wlen=%d, aborting\n", |
42 | KBUILD_MODNAME, wlen); | |
1f78867b | 43 | return -EINVAL; |
f0c3a2ca CL |
44 | } |
45 | ||
1a78db82 | 46 | msleep(1); /* avoid I2C errors */ |
f56ebe16 | 47 | |
f0c3a2ca | 48 | return usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), req, type, |
1f78867b | 49 | value, index, rbuf, rlen, 2000); |
f0c3a2ca CL |
50 | } |
51 | ||
52 | /* I2C */ | |
53 | static int gl861_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], | |
1f78867b | 54 | int num) |
f0c3a2ca CL |
55 | { |
56 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
57 | int i; | |
58 | ||
f0c3a2ca CL |
59 | if (num > 2) |
60 | return -EINVAL; | |
61 | ||
c80296d7 RK |
62 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) |
63 | return -EAGAIN; | |
64 | ||
f0c3a2ca CL |
65 | for (i = 0; i < num; i++) { |
66 | /* write/read request */ | |
67 | if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { | |
68 | if (gl861_i2c_msg(d, msg[i].addr, msg[i].buf, | |
fb49558c | 69 | msg[i].len, msg[i+1].buf, msg[i+1].len) < 0) |
f0c3a2ca CL |
70 | break; |
71 | i++; | |
72 | } else | |
73 | if (gl861_i2c_msg(d, msg[i].addr, msg[i].buf, | |
1f78867b | 74 | msg[i].len, NULL, 0) < 0) |
f0c3a2ca CL |
75 | break; |
76 | } | |
77 | ||
78 | mutex_unlock(&d->i2c_mutex); | |
79 | return i; | |
80 | } | |
81 | ||
82 | static u32 gl861_i2c_func(struct i2c_adapter *adapter) | |
83 | { | |
84 | return I2C_FUNC_I2C; | |
85 | } | |
86 | ||
87 | static struct i2c_algorithm gl861_i2c_algo = { | |
88 | .master_xfer = gl861_i2c_xfer, | |
89 | .functionality = gl861_i2c_func, | |
90 | }; | |
91 | ||
92 | /* Callbacks for DVB USB */ | |
f0c3a2ca | 93 | static struct zl10353_config gl861_zl10353_config = { |
26a154c3 | 94 | .demod_address = 0x0f, |
f0c3a2ca | 95 | .no_tuner = 1, |
4131fd4f | 96 | .parallel_ts = 1, |
f0c3a2ca CL |
97 | }; |
98 | ||
99 | static int gl861_frontend_attach(struct dvb_usb_adapter *adap) | |
100 | { | |
f0c3a2ca | 101 | |
4d2e596a AP |
102 | adap->fe[0] = dvb_attach(zl10353_attach, &gl861_zl10353_config, |
103 | &adap_to_d(adap)->i2c_adap); | |
104 | if (adap->fe[0] == NULL) | |
fb49558c AP |
105 | return -EIO; |
106 | ||
107 | return 0; | |
f0c3a2ca CL |
108 | } |
109 | ||
4c7e3ea9 | 110 | static struct qt1010_config gl861_qt1010_config = { |
26a154c3 | 111 | .i2c_address = 0x62 |
4c7e3ea9 AP |
112 | }; |
113 | ||
114 | static int gl861_tuner_attach(struct dvb_usb_adapter *adap) | |
115 | { | |
4c7e3ea9 | 116 | return dvb_attach(qt1010_attach, |
4d2e596a | 117 | adap->fe[0], &adap_to_d(adap)->i2c_adap, |
4c7e3ea9 AP |
118 | &gl861_qt1010_config) == NULL ? -ENODEV : 0; |
119 | } | |
120 | ||
4d2e596a | 121 | static int gl861_init(struct dvb_usb_device *d) |
f0c3a2ca | 122 | { |
4d2e596a AP |
123 | /* |
124 | * There is 2 interfaces. Interface 0 is for TV and interface 1 is | |
125 | * for HID remote controller. Interface 0 has 2 alternate settings. | |
126 | * For some reason we need to set interface explicitly, defaulted | |
127 | * as alternate setting 1? | |
128 | */ | |
129 | return usb_set_interface(d->udev, 0, 0); | |
f0c3a2ca CL |
130 | } |
131 | ||
4d2e596a AP |
132 | /* DVB USB Driver stuff */ |
133 | static struct dvb_usb_device_properties gl861_props = { | |
134 | .driver_name = KBUILD_MODNAME, | |
135 | .owner = THIS_MODULE, | |
136 | .adapter_nr = adapter_nr, | |
f0c3a2ca | 137 | |
4d2e596a AP |
138 | .i2c_algo = &gl861_i2c_algo, |
139 | .frontend_attach = gl861_frontend_attach, | |
140 | .tuner_attach = gl861_tuner_attach, | |
141 | .init = gl861_init, | |
f0c3a2ca | 142 | |
f0c3a2ca | 143 | .num_adapters = 1, |
4d2e596a | 144 | .adapter = { |
ea3a13b7 | 145 | { |
4d2e596a AP |
146 | .stream = DVB_USB_STREAM_BULK(0x81, 7, 512), |
147 | } | |
f0c3a2ca CL |
148 | } |
149 | }; | |
150 | ||
4d2e596a AP |
151 | static const struct usb_device_id gl861_id_table[] = { |
152 | { DVB_USB_DEVICE(USB_VID_MSI, USB_PID_MSI_MEGASKY580_55801, | |
153 | &gl861_props, "MSI Mega Sky 55801 DVB-T USB2.0", NULL) }, | |
154 | { DVB_USB_DEVICE(USB_VID_ALINK, USB_VID_ALINK_DTU, | |
155 | &gl861_props, "A-LINK DTU DVB-T USB2.0", NULL) }, | |
156 | { } | |
157 | }; | |
158 | MODULE_DEVICE_TABLE(usb, gl861_id_table); | |
159 | ||
160 | static struct usb_driver gl861_usb_driver = { | |
161 | .name = KBUILD_MODNAME, | |
162 | .id_table = gl861_id_table, | |
163 | .probe = dvb_usbv2_probe, | |
164 | .disconnect = dvb_usbv2_disconnect, | |
165 | .suspend = dvb_usbv2_suspend, | |
166 | .resume = dvb_usbv2_resume, | |
0b8623ca | 167 | .reset_resume = dvb_usbv2_reset_resume, |
4d2e596a AP |
168 | .no_dynamic_id = 1, |
169 | .soft_unbind = 1, | |
f0c3a2ca CL |
170 | }; |
171 | ||
4d2e596a | 172 | module_usb_driver(gl861_usb_driver); |
f0c3a2ca | 173 | |
947af8fd | 174 | MODULE_AUTHOR("Carl Lundqvist <comabug@gmail.com>"); |
f0c3a2ca | 175 | MODULE_DESCRIPTION("Driver MSI Mega Sky 580 DVB-T USB2.0 / GL861"); |
4131fd4f | 176 | MODULE_VERSION("0.1"); |
f0c3a2ca | 177 | MODULE_LICENSE("GPL"); |