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eebb876b AP |
1 | /* |
2 | * DVB USB Linux driver for Intel CE6230 DVB-T USB2.0 receiver | |
3 | * | |
4 | * Copyright (C) 2009 Antti Palosaari <crope@iki.fi> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | * | |
20 | */ | |
21 | ||
22 | #include "ce6230.h" | |
23 | #include "zl10353.h" | |
24 | #include "mxl5005s.h" | |
25 | ||
26 | /* debug */ | |
27 | static int dvb_usb_ce6230_debug; | |
28 | module_param_named(debug, dvb_usb_ce6230_debug, int, 0644); | |
29 | MODULE_PARM_DESC(debug, "set debugging level" DVB_USB_DEBUG_STATUS); | |
30 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); | |
31 | ||
32 | static struct zl10353_config ce6230_zl10353_config; | |
33 | ||
34 | static int ce6230_rw_udev(struct usb_device *udev, struct req_t *req) | |
35 | { | |
36 | int ret; | |
37 | unsigned int pipe; | |
38 | u8 request; | |
39 | u8 requesttype; | |
40 | u16 value; | |
41 | u16 index; | |
029461db | 42 | u8 *buf; |
eebb876b AP |
43 | |
44 | request = req->cmd; | |
45 | value = req->value; | |
46 | index = req->index; | |
47 | ||
48 | switch (req->cmd) { | |
49 | case I2C_READ: | |
50 | case DEMOD_READ: | |
51 | case REG_READ: | |
52 | requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); | |
53 | break; | |
54 | case I2C_WRITE: | |
55 | case DEMOD_WRITE: | |
56 | case REG_WRITE: | |
57 | requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); | |
58 | break; | |
59 | default: | |
60 | err("unknown command:%02x", req->cmd); | |
61 | ret = -EPERM; | |
62 | goto error; | |
63 | } | |
64 | ||
029461db FM |
65 | buf = kmalloc(req->data_len, GFP_KERNEL); |
66 | if (!buf) { | |
67 | ret = -ENOMEM; | |
68 | goto error; | |
69 | } | |
70 | ||
eebb876b AP |
71 | if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) { |
72 | /* write */ | |
73 | memcpy(buf, req->data, req->data_len); | |
74 | pipe = usb_sndctrlpipe(udev, 0); | |
75 | } else { | |
76 | /* read */ | |
77 | pipe = usb_rcvctrlpipe(udev, 0); | |
78 | } | |
79 | ||
80 | msleep(1); /* avoid I2C errors */ | |
81 | ||
82 | ret = usb_control_msg(udev, pipe, request, requesttype, value, index, | |
029461db | 83 | buf, req->data_len, CE6230_USB_TIMEOUT); |
eebb876b AP |
84 | |
85 | ce6230_debug_dump(request, requesttype, value, index, buf, | |
86 | req->data_len, deb_xfer); | |
87 | ||
88 | if (ret < 0) | |
89 | deb_info("%s: usb_control_msg failed:%d\n", __func__, ret); | |
90 | else | |
91 | ret = 0; | |
92 | ||
93 | /* read request, copy returned data to return buf */ | |
94 | if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) | |
95 | memcpy(req->data, buf, req->data_len); | |
96 | ||
029461db | 97 | kfree(buf); |
eebb876b AP |
98 | error: |
99 | return ret; | |
100 | } | |
101 | ||
102 | static int ce6230_ctrl_msg(struct dvb_usb_device *d, struct req_t *req) | |
103 | { | |
104 | return ce6230_rw_udev(d->udev, req); | |
105 | } | |
106 | ||
107 | /* I2C */ | |
108 | static int ce6230_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], | |
109 | int num) | |
110 | { | |
111 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
112 | int i = 0; | |
113 | struct req_t req; | |
2ddacee6 | 114 | int ret = 0; |
7157fbd0 | 115 | memset(&req, 0, sizeof(req)); |
eebb876b AP |
116 | |
117 | if (num > 2) | |
118 | return -EINVAL; | |
119 | ||
120 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
121 | return -EAGAIN; | |
122 | ||
123 | while (i < num) { | |
124 | if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { | |
125 | if (msg[i].addr == | |
126 | ce6230_zl10353_config.demod_address) { | |
127 | req.cmd = DEMOD_READ; | |
128 | req.value = msg[i].addr >> 1; | |
129 | req.index = msg[i].buf[0]; | |
130 | req.data_len = msg[i+1].len; | |
131 | req.data = &msg[i+1].buf[0]; | |
132 | ret = ce6230_ctrl_msg(d, &req); | |
133 | } else { | |
134 | err("i2c read not implemented"); | |
135 | ret = -EPERM; | |
136 | } | |
137 | i += 2; | |
138 | } else { | |
139 | if (msg[i].addr == | |
140 | ce6230_zl10353_config.demod_address) { | |
141 | req.cmd = DEMOD_WRITE; | |
142 | req.value = msg[i].addr >> 1; | |
143 | req.index = msg[i].buf[0]; | |
144 | req.data_len = msg[i].len-1; | |
145 | req.data = &msg[i].buf[1]; | |
146 | ret = ce6230_ctrl_msg(d, &req); | |
147 | } else { | |
148 | req.cmd = I2C_WRITE; | |
149 | req.value = 0x2000 + (msg[i].addr >> 1); | |
150 | req.index = 0x0000; | |
151 | req.data_len = msg[i].len; | |
152 | req.data = &msg[i].buf[0]; | |
153 | ret = ce6230_ctrl_msg(d, &req); | |
154 | } | |
155 | i += 1; | |
156 | } | |
157 | if (ret) | |
158 | break; | |
159 | } | |
160 | ||
161 | mutex_unlock(&d->i2c_mutex); | |
162 | return ret ? ret : i; | |
163 | } | |
164 | ||
165 | static u32 ce6230_i2c_func(struct i2c_adapter *adapter) | |
166 | { | |
167 | return I2C_FUNC_I2C; | |
168 | } | |
169 | ||
170 | static struct i2c_algorithm ce6230_i2c_algo = { | |
171 | .master_xfer = ce6230_i2c_xfer, | |
172 | .functionality = ce6230_i2c_func, | |
173 | }; | |
174 | ||
175 | /* Callbacks for DVB USB */ | |
176 | static struct zl10353_config ce6230_zl10353_config = { | |
177 | .demod_address = 0x1e, | |
178 | .adc_clock = 450000, | |
179 | .if2 = 45700, | |
180 | .no_tuner = 1, | |
181 | .parallel_ts = 1, | |
182 | .clock_ctl_1 = 0x34, | |
183 | .pll_0 = 0x0e, | |
184 | }; | |
185 | ||
186 | static int ce6230_zl10353_frontend_attach(struct dvb_usb_adapter *adap) | |
187 | { | |
188 | deb_info("%s:\n", __func__); | |
189 | adap->fe = dvb_attach(zl10353_attach, &ce6230_zl10353_config, | |
190 | &adap->dev->i2c_adap); | |
191 | if (adap->fe == NULL) | |
192 | return -ENODEV; | |
193 | return 0; | |
194 | } | |
195 | ||
196 | static struct mxl5005s_config ce6230_mxl5003s_config = { | |
197 | .i2c_address = 0xc6, | |
198 | .if_freq = IF_FREQ_4570000HZ, | |
199 | .xtal_freq = CRYSTAL_FREQ_16000000HZ, | |
200 | .agc_mode = MXL_SINGLE_AGC, | |
201 | .tracking_filter = MXL_TF_DEFAULT, | |
202 | .rssi_enable = MXL_RSSI_ENABLE, | |
203 | .cap_select = MXL_CAP_SEL_ENABLE, | |
204 | .div_out = MXL_DIV_OUT_4, | |
205 | .clock_out = MXL_CLOCK_OUT_DISABLE, | |
206 | .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, | |
207 | .top = MXL5005S_TOP_25P2, | |
208 | .mod_mode = MXL_DIGITAL_MODE, | |
209 | .if_mode = MXL_ZERO_IF, | |
210 | .AgcMasterByte = 0x00, | |
211 | }; | |
212 | ||
213 | static int ce6230_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap) | |
214 | { | |
215 | int ret; | |
216 | deb_info("%s:\n", __func__); | |
217 | ret = dvb_attach(mxl5005s_attach, adap->fe, &adap->dev->i2c_adap, | |
218 | &ce6230_mxl5003s_config) == NULL ? -ENODEV : 0; | |
219 | return ret; | |
220 | } | |
221 | ||
222 | static int ce6230_power_ctrl(struct dvb_usb_device *d, int onoff) | |
223 | { | |
224 | int ret; | |
225 | deb_info("%s: onoff:%d\n", __func__, onoff); | |
226 | ||
227 | /* InterfaceNumber 1 / AlternateSetting 0 idle | |
228 | InterfaceNumber 1 / AlternateSetting 1 streaming */ | |
229 | ret = usb_set_interface(d->udev, 1, onoff); | |
230 | if (ret) | |
231 | err("usb_set_interface failed with error:%d", ret); | |
232 | ||
233 | return ret; | |
234 | } | |
235 | ||
236 | /* DVB USB Driver stuff */ | |
237 | static struct dvb_usb_device_properties ce6230_properties; | |
238 | ||
239 | static int ce6230_probe(struct usb_interface *intf, | |
240 | const struct usb_device_id *id) | |
241 | { | |
242 | int ret = 0; | |
243 | struct dvb_usb_device *d = NULL; | |
244 | ||
245 | deb_info("%s: interface:%d\n", __func__, | |
246 | intf->cur_altsetting->desc.bInterfaceNumber); | |
247 | ||
248 | if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { | |
249 | ret = dvb_usb_device_init(intf, &ce6230_properties, THIS_MODULE, | |
250 | &d, adapter_nr); | |
251 | if (ret) | |
252 | err("init failed with error:%d\n", ret); | |
253 | } | |
254 | ||
255 | return ret; | |
256 | } | |
257 | ||
258 | static struct usb_device_id ce6230_table[] = { | |
259 | { USB_DEVICE(USB_VID_INTEL, USB_PID_INTEL_CE9500) }, | |
80801da8 | 260 | { USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_A310) }, |
eebb876b AP |
261 | { } /* Terminating entry */ |
262 | }; | |
263 | MODULE_DEVICE_TABLE(usb, ce6230_table); | |
264 | ||
265 | static struct dvb_usb_device_properties ce6230_properties = { | |
266 | .caps = DVB_USB_IS_AN_I2C_ADAPTER, | |
267 | ||
268 | .usb_ctrl = DEVICE_SPECIFIC, | |
269 | .no_reconnect = 1, | |
270 | ||
271 | .size_of_priv = 0, | |
272 | ||
273 | .num_adapters = 1, | |
274 | .adapter = { | |
275 | { | |
276 | .frontend_attach = ce6230_zl10353_frontend_attach, | |
277 | .tuner_attach = ce6230_mxl5003s_tuner_attach, | |
278 | .stream = { | |
279 | .type = USB_BULK, | |
280 | .count = 6, | |
281 | .endpoint = 0x82, | |
282 | .u = { | |
283 | .bulk = { | |
eb3b2d89 | 284 | .buffersize = (16*512), |
eebb876b AP |
285 | } |
286 | } | |
287 | }, | |
288 | } | |
289 | }, | |
290 | ||
291 | .power_ctrl = ce6230_power_ctrl, | |
292 | ||
293 | .i2c_algo = &ce6230_i2c_algo, | |
294 | ||
80801da8 | 295 | .num_device_descs = 2, |
eebb876b AP |
296 | .devices = { |
297 | { | |
298 | .name = "Intel CE9500 reference design", | |
299 | .cold_ids = {NULL}, | |
300 | .warm_ids = {&ce6230_table[0], NULL}, | |
301 | }, | |
80801da8 JJGSL |
302 | { |
303 | .name = "AVerMedia A310 USB 2.0 DVB-T tuner", | |
304 | .cold_ids = {NULL}, | |
305 | .warm_ids = {&ce6230_table[1], NULL}, | |
306 | }, | |
eebb876b AP |
307 | } |
308 | }; | |
309 | ||
310 | static struct usb_driver ce6230_driver = { | |
311 | .name = "dvb_usb_ce6230", | |
312 | .probe = ce6230_probe, | |
313 | .disconnect = dvb_usb_device_exit, | |
314 | .id_table = ce6230_table, | |
315 | }; | |
316 | ||
317 | /* module stuff */ | |
318 | static int __init ce6230_module_init(void) | |
319 | { | |
320 | int ret; | |
321 | deb_info("%s:\n", __func__); | |
322 | ret = usb_register(&ce6230_driver); | |
323 | if (ret) | |
324 | err("usb_register failed with error:%d", ret); | |
325 | ||
326 | return ret; | |
327 | } | |
328 | ||
329 | static void __exit ce6230_module_exit(void) | |
330 | { | |
331 | deb_info("%s:\n", __func__); | |
332 | /* deregister this driver from the USB subsystem */ | |
333 | usb_deregister(&ce6230_driver); | |
334 | } | |
335 | ||
336 | module_init(ce6230_module_init); | |
337 | module_exit(ce6230_module_exit); | |
338 | ||
339 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
340 | MODULE_DESCRIPTION("Driver for Intel CE6230 DVB-T USB2.0"); | |
341 | MODULE_LICENSE("GPL"); |