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2bf290be AP |
1 | /* |
2 | * E3C EC168 DVB USB driver | |
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 "ec168.h" | |
23 | #include "ec100.h" | |
24 | #include "mxl5005s.h" | |
25 | ||
2bf290be AP |
26 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
27 | ||
3eee0472 | 28 | static int ec168_ctrl_msg(struct dvb_usb_device *d, struct ec168_req *req) |
2bf290be AP |
29 | { |
30 | int ret; | |
31 | unsigned int pipe; | |
32 | u8 request, requesttype; | |
26b72c6e FM |
33 | u8 *buf; |
34 | ||
2bf290be AP |
35 | switch (req->cmd) { |
36 | case DOWNLOAD_FIRMWARE: | |
37 | case GPIO: | |
38 | case WRITE_I2C: | |
39 | case STREAMING_CTRL: | |
40 | requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); | |
41 | request = req->cmd; | |
42 | break; | |
43 | case READ_I2C: | |
44 | requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); | |
45 | request = req->cmd; | |
46 | break; | |
47 | case GET_CONFIG: | |
48 | requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); | |
49 | request = CONFIG; | |
50 | break; | |
51 | case SET_CONFIG: | |
52 | requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); | |
53 | request = CONFIG; | |
54 | break; | |
55 | case WRITE_DEMOD: | |
56 | requesttype = (USB_TYPE_VENDOR | USB_DIR_OUT); | |
57 | request = DEMOD_RW; | |
58 | break; | |
59 | case READ_DEMOD: | |
60 | requesttype = (USB_TYPE_VENDOR | USB_DIR_IN); | |
61 | request = DEMOD_RW; | |
62 | break; | |
63 | default: | |
3cedcab8 AP |
64 | dev_err(&d->udev->dev, "%s: unknown command=%02x\n", |
65 | KBUILD_MODNAME, req->cmd); | |
ce6ea9a9 | 66 | ret = -EINVAL; |
2bf290be AP |
67 | goto error; |
68 | } | |
69 | ||
26b72c6e FM |
70 | buf = kmalloc(req->size, GFP_KERNEL); |
71 | if (!buf) { | |
72 | ret = -ENOMEM; | |
73 | goto error; | |
74 | } | |
75 | ||
2bf290be AP |
76 | if (requesttype == (USB_TYPE_VENDOR | USB_DIR_OUT)) { |
77 | /* write */ | |
78 | memcpy(buf, req->data, req->size); | |
3eee0472 | 79 | pipe = usb_sndctrlpipe(d->udev, 0); |
2bf290be AP |
80 | } else { |
81 | /* read */ | |
3eee0472 | 82 | pipe = usb_rcvctrlpipe(d->udev, 0); |
2bf290be AP |
83 | } |
84 | ||
85 | msleep(1); /* avoid I2C errors */ | |
86 | ||
3eee0472 | 87 | ret = usb_control_msg(d->udev, pipe, request, requesttype, req->value, |
26b72c6e | 88 | req->index, buf, req->size, EC168_USB_TIMEOUT); |
2bf290be | 89 | |
d89b9369 AP |
90 | dvb_usb_dbg_usb_control_msg(d->udev, request, requesttype, req->value, |
91 | req->index, buf, req->size); | |
2bf290be AP |
92 | |
93 | if (ret < 0) | |
26b72c6e | 94 | goto err_dealloc; |
2bf290be AP |
95 | else |
96 | ret = 0; | |
97 | ||
98 | /* read request, copy returned data to return buf */ | |
99 | if (!ret && requesttype == (USB_TYPE_VENDOR | USB_DIR_IN)) | |
100 | memcpy(req->data, buf, req->size); | |
101 | ||
26b72c6e | 102 | kfree(buf); |
2bf290be | 103 | return ret; |
26b72c6e FM |
104 | |
105 | err_dealloc: | |
106 | kfree(buf); | |
2bf290be | 107 | error: |
3cedcab8 | 108 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
2bf290be AP |
109 | return ret; |
110 | } | |
111 | ||
2bf290be | 112 | /* I2C */ |
3eee0472 AP |
113 | static struct ec100_config ec168_ec100_config; |
114 | ||
2bf290be AP |
115 | static int ec168_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg msg[], |
116 | int num) | |
117 | { | |
118 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
119 | struct ec168_req req; | |
120 | int i = 0; | |
121 | int ret; | |
122 | ||
123 | if (num > 2) | |
124 | return -EINVAL; | |
125 | ||
126 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
127 | return -EAGAIN; | |
128 | ||
129 | while (i < num) { | |
130 | if (num > i + 1 && (msg[i+1].flags & I2C_M_RD)) { | |
131 | if (msg[i].addr == ec168_ec100_config.demod_address) { | |
132 | req.cmd = READ_DEMOD; | |
133 | req.value = 0; | |
134 | req.index = 0xff00 + msg[i].buf[0]; /* reg */ | |
135 | req.size = msg[i+1].len; /* bytes to read */ | |
136 | req.data = &msg[i+1].buf[0]; | |
137 | ret = ec168_ctrl_msg(d, &req); | |
138 | i += 2; | |
139 | } else { | |
3cedcab8 AP |
140 | dev_err(&d->udev->dev, "%s: I2C read not " \ |
141 | "implemented\n", | |
ce6ea9a9 AP |
142 | KBUILD_MODNAME); |
143 | ret = -EOPNOTSUPP; | |
2bf290be AP |
144 | i += 2; |
145 | } | |
146 | } else { | |
147 | if (msg[i].addr == ec168_ec100_config.demod_address) { | |
148 | req.cmd = WRITE_DEMOD; | |
149 | req.value = msg[i].buf[1]; /* val */ | |
150 | req.index = 0xff00 + msg[i].buf[0]; /* reg */ | |
151 | req.size = 0; | |
152 | req.data = NULL; | |
153 | ret = ec168_ctrl_msg(d, &req); | |
154 | i += 1; | |
155 | } else { | |
156 | req.cmd = WRITE_I2C; | |
157 | req.value = msg[i].buf[0]; /* val */ | |
158 | req.index = 0x0100 + msg[i].addr; /* I2C addr */ | |
159 | req.size = msg[i].len-1; | |
160 | req.data = &msg[i].buf[1]; | |
161 | ret = ec168_ctrl_msg(d, &req); | |
162 | i += 1; | |
163 | } | |
164 | } | |
165 | if (ret) | |
166 | goto error; | |
167 | ||
168 | } | |
169 | ret = i; | |
170 | ||
171 | error: | |
172 | mutex_unlock(&d->i2c_mutex); | |
6c49d793 | 173 | return ret; |
2bf290be AP |
174 | } |
175 | ||
2bf290be AP |
176 | static u32 ec168_i2c_func(struct i2c_adapter *adapter) |
177 | { | |
178 | return I2C_FUNC_I2C; | |
179 | } | |
180 | ||
181 | static struct i2c_algorithm ec168_i2c_algo = { | |
182 | .master_xfer = ec168_i2c_xfer, | |
183 | .functionality = ec168_i2c_func, | |
184 | }; | |
185 | ||
186 | /* Callbacks for DVB USB */ | |
a0921af7 | 187 | static int ec168_identify_state(struct dvb_usb_device *d, const char **name) |
2bf290be | 188 | { |
3eee0472 AP |
189 | int ret; |
190 | u8 reply; | |
191 | struct ec168_req req = {GET_CONFIG, 0, 1, sizeof(reply), &reply}; | |
3cedcab8 | 192 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
2bf290be | 193 | |
3eee0472 AP |
194 | ret = ec168_ctrl_msg(d, &req); |
195 | if (ret) | |
196 | goto error; | |
2bf290be | 197 | |
3cedcab8 | 198 | dev_dbg(&d->udev->dev, "%s: reply=%02x\n", __func__, reply); |
2bf290be | 199 | |
3eee0472 AP |
200 | if (reply == 0x01) |
201 | ret = WARM; | |
202 | else | |
203 | ret = COLD; | |
2bf290be | 204 | |
3eee0472 AP |
205 | return ret; |
206 | error: | |
3cedcab8 | 207 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
3eee0472 | 208 | return ret; |
2bf290be AP |
209 | } |
210 | ||
3eee0472 AP |
211 | static int ec168_download_firmware(struct dvb_usb_device *d, |
212 | const struct firmware *fw) | |
2bf290be | 213 | { |
77e28ec2 | 214 | int ret, len, remaining; |
2bf290be | 215 | struct ec168_req req = {DOWNLOAD_FIRMWARE, 0, 0, 0, NULL}; |
3cedcab8 | 216 | dev_dbg(&d->udev->dev, "%s:\n", __func__); |
2bf290be | 217 | |
77e28ec2 AP |
218 | #define LEN_MAX 2048 /* max packet size */ |
219 | for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) { | |
220 | len = remaining; | |
221 | if (len > LEN_MAX) | |
222 | len = LEN_MAX; | |
2bf290be AP |
223 | |
224 | req.size = len; | |
77e28ec2 AP |
225 | req.data = (u8 *) &fw->data[fw->size - remaining]; |
226 | req.index = fw->size - remaining; | |
2bf290be | 227 | |
3eee0472 | 228 | ret = ec168_ctrl_msg(d, &req); |
2bf290be | 229 | if (ret) { |
3cedcab8 AP |
230 | dev_err(&d->udev->dev, |
231 | "%s: firmware download failed=%d\n", | |
77e28ec2 | 232 | KBUILD_MODNAME, ret); |
2bf290be AP |
233 | goto error; |
234 | } | |
235 | } | |
77e28ec2 | 236 | |
2bf290be AP |
237 | req.size = 0; |
238 | ||
239 | /* set "warm"? */ | |
240 | req.cmd = SET_CONFIG; | |
241 | req.value = 0; | |
242 | req.index = 0x0001; | |
3eee0472 | 243 | ret = ec168_ctrl_msg(d, &req); |
2bf290be AP |
244 | if (ret) |
245 | goto error; | |
246 | ||
247 | /* really needed - no idea what does */ | |
248 | req.cmd = GPIO; | |
249 | req.value = 0; | |
250 | req.index = 0x0206; | |
3eee0472 | 251 | ret = ec168_ctrl_msg(d, &req); |
2bf290be AP |
252 | if (ret) |
253 | goto error; | |
254 | ||
255 | /* activate tuner I2C? */ | |
256 | req.cmd = WRITE_I2C; | |
257 | req.value = 0; | |
258 | req.index = 0x00c6; | |
3eee0472 | 259 | ret = ec168_ctrl_msg(d, &req); |
2bf290be AP |
260 | if (ret) |
261 | goto error; | |
262 | ||
263 | return ret; | |
264 | error: | |
3cedcab8 | 265 | dev_dbg(&d->udev->dev, "%s: failed=%d\n", __func__, ret); |
2bf290be AP |
266 | return ret; |
267 | } | |
268 | ||
3eee0472 AP |
269 | static struct ec100_config ec168_ec100_config = { |
270 | .demod_address = 0xff, /* not real address, demod is integrated */ | |
271 | }; | |
272 | ||
273 | static int ec168_ec100_frontend_attach(struct dvb_usb_adapter *adap) | |
2bf290be | 274 | { |
3cedcab8 AP |
275 | struct dvb_usb_device *d = adap_to_d(adap); |
276 | dev_dbg(&d->udev->dev, "%s:\n", __func__); | |
277 | ||
3eee0472 | 278 | adap->fe[0] = dvb_attach(ec100_attach, &ec168_ec100_config, |
3cedcab8 | 279 | &d->i2c_adap); |
3eee0472 AP |
280 | if (adap->fe[0] == NULL) |
281 | return -ENODEV; | |
2bf290be | 282 | |
3eee0472 | 283 | return 0; |
2bf290be AP |
284 | } |
285 | ||
3eee0472 AP |
286 | static struct mxl5005s_config ec168_mxl5003s_config = { |
287 | .i2c_address = 0xc6, | |
288 | .if_freq = IF_FREQ_4570000HZ, | |
289 | .xtal_freq = CRYSTAL_FREQ_16000000HZ, | |
290 | .agc_mode = MXL_SINGLE_AGC, | |
291 | .tracking_filter = MXL_TF_OFF, | |
292 | .rssi_enable = MXL_RSSI_ENABLE, | |
293 | .cap_select = MXL_CAP_SEL_ENABLE, | |
294 | .div_out = MXL_DIV_OUT_4, | |
295 | .clock_out = MXL_CLOCK_OUT_DISABLE, | |
296 | .output_load = MXL5005S_IF_OUTPUT_LOAD_200_OHM, | |
297 | .top = MXL5005S_TOP_25P2, | |
298 | .mod_mode = MXL_DIGITAL_MODE, | |
299 | .if_mode = MXL_ZERO_IF, | |
300 | .AgcMasterByte = 0x00, | |
301 | }; | |
2bf290be | 302 | |
3eee0472 | 303 | static int ec168_mxl5003s_tuner_attach(struct dvb_usb_adapter *adap) |
2bf290be | 304 | { |
3cedcab8 AP |
305 | struct dvb_usb_device *d = adap_to_d(adap); |
306 | dev_dbg(&d->udev->dev, "%s:\n", __func__); | |
307 | ||
308 | return dvb_attach(mxl5005s_attach, adap->fe[0], &d->i2c_adap, | |
3eee0472 | 309 | &ec168_mxl5003s_config) == NULL ? -ENODEV : 0; |
2bf290be AP |
310 | } |
311 | ||
a13a6e1f | 312 | static int ec168_streaming_ctrl(struct dvb_frontend *fe, int onoff) |
3eee0472 | 313 | { |
3cedcab8 | 314 | struct dvb_usb_device *d = fe_to_d(fe); |
3eee0472 | 315 | struct ec168_req req = {STREAMING_CTRL, 0x7f01, 0x0202, 0, NULL}; |
3cedcab8 AP |
316 | dev_dbg(&d->udev->dev, "%s: onoff=%d\n", __func__, onoff); |
317 | ||
3eee0472 AP |
318 | if (onoff) |
319 | req.index = 0x0102; | |
3cedcab8 | 320 | return ec168_ctrl_msg(d, &req); |
3eee0472 | 321 | } |
2bf290be | 322 | |
3eee0472 AP |
323 | /* DVB USB Driver stuff */ |
324 | /* bInterfaceNumber 0 is HID | |
325 | * bInterfaceNumber 1 is DVB-T */ | |
326 | static struct dvb_usb_device_properties ec168_props = { | |
327 | .driver_name = KBUILD_MODNAME, | |
328 | .owner = THIS_MODULE, | |
329 | .adapter_nr = adapter_nr, | |
330 | .bInterfaceNumber = 1, | |
2bf290be | 331 | |
3eee0472 | 332 | .identify_state = ec168_identify_state, |
6a60e3f6 | 333 | .firmware = EC168_FIRMWARE, |
3eee0472 | 334 | .download_firmware = ec168_download_firmware, |
2bf290be | 335 | |
3eee0472 AP |
336 | .i2c_algo = &ec168_i2c_algo, |
337 | .frontend_attach = ec168_ec100_frontend_attach, | |
338 | .tuner_attach = ec168_mxl5003s_tuner_attach, | |
339 | .streaming_ctrl = ec168_streaming_ctrl, | |
2bf290be AP |
340 | |
341 | .num_adapters = 1, | |
342 | .adapter = { | |
343 | { | |
2731d4ed | 344 | .stream = DVB_USB_STREAM_BULK(0x82, 6, 32 * 512), |
2bf290be AP |
345 | } |
346 | }, | |
3eee0472 | 347 | }; |
2bf290be | 348 | |
3eee0472 AP |
349 | static const struct dvb_usb_driver_info ec168_driver_info = { |
350 | .name = "E3C EC168 reference design", | |
351 | .props = &ec168_props, | |
352 | }; | |
2bf290be | 353 | |
3eee0472 AP |
354 | static const struct usb_device_id ec168_id[] = { |
355 | { USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168), | |
356 | .driver_info = (kernel_ulong_t) &ec168_driver_info }, | |
357 | { USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_2), | |
358 | .driver_info = (kernel_ulong_t) &ec168_driver_info }, | |
359 | { USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_3), | |
360 | .driver_info = (kernel_ulong_t) &ec168_driver_info }, | |
361 | { USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_4), | |
362 | .driver_info = (kernel_ulong_t) &ec168_driver_info }, | |
363 | { USB_DEVICE(USB_VID_E3C, USB_PID_E3C_EC168_5), | |
364 | .driver_info = (kernel_ulong_t) &ec168_driver_info }, | |
365 | {} | |
2bf290be | 366 | }; |
3eee0472 | 367 | MODULE_DEVICE_TABLE(usb, ec168_id); |
2bf290be AP |
368 | |
369 | static struct usb_driver ec168_driver = { | |
3eee0472 AP |
370 | .name = KBUILD_MODNAME, |
371 | .id_table = ec168_id, | |
372 | .probe = dvb_usbv2_probe, | |
373 | .disconnect = dvb_usbv2_disconnect, | |
374 | .suspend = dvb_usbv2_suspend, | |
375 | .resume = dvb_usbv2_resume, | |
376 | .no_dynamic_id = 1, | |
377 | .soft_unbind = 1, | |
2bf290be AP |
378 | }; |
379 | ||
ecb3b2b3 | 380 | module_usb_driver(ec168_driver); |
2bf290be AP |
381 | |
382 | MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); | |
ce6ea9a9 | 383 | MODULE_DESCRIPTION("E3C EC168 driver"); |
2bf290be | 384 | MODULE_LICENSE("GPL"); |
6a60e3f6 | 385 | MODULE_FIRMWARE(EC168_FIRMWARE); |