diff options
Diffstat (limited to 'drivers/media/dvb/dvb-usb/dib0700_core.c')
-rw-r--r-- | drivers/media/dvb/dvb-usb/dib0700_core.c | 860 |
1 files changed, 860 insertions, 0 deletions
diff --git a/drivers/media/dvb/dvb-usb/dib0700_core.c b/drivers/media/dvb/dvb-usb/dib0700_core.c new file mode 100644 index 00000000000..a224e94325b --- /dev/null +++ b/drivers/media/dvb/dvb-usb/dib0700_core.c | |||
@@ -0,0 +1,860 @@ | |||
1 | /* Linux driver for devices based on the DiBcom DiB0700 USB bridge | ||
2 | * | ||
3 | * This program is free software; you can redistribute it and/or modify it | ||
4 | * under the terms of the GNU General Public License as published by the Free | ||
5 | * Software Foundation, version 2. | ||
6 | * | ||
7 | * Copyright (C) 2005-6 DiBcom, SA | ||
8 | */ | ||
9 | #include "dib0700.h" | ||
10 | |||
11 | /* debug */ | ||
12 | int dvb_usb_dib0700_debug; | ||
13 | module_param_named(debug,dvb_usb_dib0700_debug, int, 0644); | ||
14 | MODULE_PARM_DESC(debug, "set debugging level (1=info,2=fw,4=fwdata,8=data (or-able))." DVB_USB_DEBUG_STATUS); | ||
15 | |||
16 | static int nb_packet_buffer_size = 21; | ||
17 | module_param(nb_packet_buffer_size, int, 0644); | ||
18 | MODULE_PARM_DESC(nb_packet_buffer_size, | ||
19 | "Set the dib0700 driver data buffer size. This parameter " | ||
20 | "corresponds to the number of TS packets. The actual size of " | ||
21 | "the data buffer corresponds to this parameter " | ||
22 | "multiplied by 188 (default: 21)"); | ||
23 | |||
24 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); | ||
25 | |||
26 | |||
27 | int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion, | ||
28 | u32 *romversion, u32 *ramversion, u32 *fwtype) | ||
29 | { | ||
30 | struct dib0700_state *st = d->priv; | ||
31 | int ret; | ||
32 | |||
33 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
34 | deb_info("could not acquire lock"); | ||
35 | return 0; | ||
36 | } | ||
37 | |||
38 | ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), | ||
39 | REQUEST_GET_VERSION, | ||
40 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | ||
41 | st->buf, 16, USB_CTRL_GET_TIMEOUT); | ||
42 | if (hwversion != NULL) | ||
43 | *hwversion = (st->buf[0] << 24) | (st->buf[1] << 16) | | ||
44 | (st->buf[2] << 8) | st->buf[3]; | ||
45 | if (romversion != NULL) | ||
46 | *romversion = (st->buf[4] << 24) | (st->buf[5] << 16) | | ||
47 | (st->buf[6] << 8) | st->buf[7]; | ||
48 | if (ramversion != NULL) | ||
49 | *ramversion = (st->buf[8] << 24) | (st->buf[9] << 16) | | ||
50 | (st->buf[10] << 8) | st->buf[11]; | ||
51 | if (fwtype != NULL) | ||
52 | *fwtype = (st->buf[12] << 24) | (st->buf[13] << 16) | | ||
53 | (st->buf[14] << 8) | st->buf[15]; | ||
54 | mutex_unlock(&d->usb_mutex); | ||
55 | return ret; | ||
56 | } | ||
57 | |||
58 | /* expecting rx buffer: request data[0] data[1] ... data[2] */ | ||
59 | static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen) | ||
60 | { | ||
61 | int status; | ||
62 | |||
63 | deb_data(">>> "); | ||
64 | debug_dump(tx, txlen, deb_data); | ||
65 | |||
66 | status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0), | ||
67 | tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen, | ||
68 | USB_CTRL_GET_TIMEOUT); | ||
69 | |||
70 | if (status != txlen) | ||
71 | deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen); | ||
72 | |||
73 | return status < 0 ? status : 0; | ||
74 | } | ||
75 | |||
76 | /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */ | ||
77 | int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) | ||
78 | { | ||
79 | u16 index, value; | ||
80 | int status; | ||
81 | |||
82 | if (txlen < 2) { | ||
83 | err("tx buffer length is smaller than 2. Makes no sense."); | ||
84 | return -EINVAL; | ||
85 | } | ||
86 | if (txlen > 4) { | ||
87 | err("tx buffer length is larger than 4. Not supported."); | ||
88 | return -EINVAL; | ||
89 | } | ||
90 | |||
91 | deb_data(">>> "); | ||
92 | debug_dump(tx,txlen,deb_data); | ||
93 | |||
94 | value = ((txlen - 2) << 8) | tx[1]; | ||
95 | index = 0; | ||
96 | if (txlen > 2) | ||
97 | index |= (tx[2] << 8); | ||
98 | if (txlen > 3) | ||
99 | index |= tx[3]; | ||
100 | |||
101 | status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0], | ||
102 | USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen, | ||
103 | USB_CTRL_GET_TIMEOUT); | ||
104 | |||
105 | if (status < 0) | ||
106 | deb_info("ep 0 read error (status = %d)\n",status); | ||
107 | |||
108 | deb_data("<<< "); | ||
109 | debug_dump(rx, rxlen, deb_data); | ||
110 | |||
111 | return status; /* length in case of success */ | ||
112 | } | ||
113 | |||
114 | int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val) | ||
115 | { | ||
116 | struct dib0700_state *st = d->priv; | ||
117 | int ret; | ||
118 | |||
119 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
120 | deb_info("could not acquire lock"); | ||
121 | return 0; | ||
122 | } | ||
123 | |||
124 | st->buf[0] = REQUEST_SET_GPIO; | ||
125 | st->buf[1] = gpio; | ||
126 | st->buf[2] = ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6); | ||
127 | |||
128 | ret = dib0700_ctrl_wr(d, st->buf, 3); | ||
129 | |||
130 | mutex_unlock(&d->usb_mutex); | ||
131 | return ret; | ||
132 | } | ||
133 | |||
134 | static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets) | ||
135 | { | ||
136 | struct dib0700_state *st = d->priv; | ||
137 | int ret; | ||
138 | |||
139 | if (st->fw_version >= 0x10201) { | ||
140 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
141 | deb_info("could not acquire lock"); | ||
142 | return 0; | ||
143 | } | ||
144 | |||
145 | st->buf[0] = REQUEST_SET_USB_XFER_LEN; | ||
146 | st->buf[1] = (nb_ts_packets >> 8) & 0xff; | ||
147 | st->buf[2] = nb_ts_packets & 0xff; | ||
148 | |||
149 | deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets); | ||
150 | |||
151 | ret = dib0700_ctrl_wr(d, st->buf, 3); | ||
152 | mutex_unlock(&d->usb_mutex); | ||
153 | } else { | ||
154 | deb_info("this firmware does not allow to change the USB xfer len\n"); | ||
155 | ret = -EIO; | ||
156 | } | ||
157 | |||
158 | return ret; | ||
159 | } | ||
160 | |||
161 | /* | ||
162 | * I2C master xfer function (supported in 1.20 firmware) | ||
163 | */ | ||
164 | static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, | ||
165 | int num) | ||
166 | { | ||
167 | /* The new i2c firmware messages are more reliable and in particular | ||
168 | properly support i2c read calls not preceded by a write */ | ||
169 | |||
170 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | ||
171 | struct dib0700_state *st = d->priv; | ||
172 | uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */ | ||
173 | uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */ | ||
174 | uint8_t en_start = 0; | ||
175 | uint8_t en_stop = 0; | ||
176 | int result, i; | ||
177 | |||
178 | /* Ensure nobody else hits the i2c bus while we're sending our | ||
179 | sequence of messages, (such as the remote control thread) */ | ||
180 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | ||
181 | return -EAGAIN; | ||
182 | |||
183 | for (i = 0; i < num; i++) { | ||
184 | if (i == 0) { | ||
185 | /* First message in the transaction */ | ||
186 | en_start = 1; | ||
187 | } else if (!(msg[i].flags & I2C_M_NOSTART)) { | ||
188 | /* Device supports repeated-start */ | ||
189 | en_start = 1; | ||
190 | } else { | ||
191 | /* Not the first packet and device doesn't support | ||
192 | repeated start */ | ||
193 | en_start = 0; | ||
194 | } | ||
195 | if (i == (num - 1)) { | ||
196 | /* Last message in the transaction */ | ||
197 | en_stop = 1; | ||
198 | } | ||
199 | |||
200 | if (msg[i].flags & I2C_M_RD) { | ||
201 | /* Read request */ | ||
202 | u16 index, value; | ||
203 | uint8_t i2c_dest; | ||
204 | |||
205 | i2c_dest = (msg[i].addr << 1); | ||
206 | value = ((en_start << 7) | (en_stop << 6) | | ||
207 | (msg[i].len & 0x3F)) << 8 | i2c_dest; | ||
208 | /* I2C ctrl + FE bus; */ | ||
209 | index = ((gen_mode << 6) & 0xC0) | | ||
210 | ((bus_mode << 4) & 0x30); | ||
211 | |||
212 | result = usb_control_msg(d->udev, | ||
213 | usb_rcvctrlpipe(d->udev, 0), | ||
214 | REQUEST_NEW_I2C_READ, | ||
215 | USB_TYPE_VENDOR | USB_DIR_IN, | ||
216 | value, index, msg[i].buf, | ||
217 | msg[i].len, | ||
218 | USB_CTRL_GET_TIMEOUT); | ||
219 | if (result < 0) { | ||
220 | deb_info("i2c read error (status = %d)\n", result); | ||
221 | break; | ||
222 | } | ||
223 | |||
224 | deb_data("<<< "); | ||
225 | debug_dump(msg[i].buf, msg[i].len, deb_data); | ||
226 | |||
227 | } else { | ||
228 | /* Write request */ | ||
229 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
230 | deb_info("could not acquire lock"); | ||
231 | return 0; | ||
232 | } | ||
233 | st->buf[0] = REQUEST_NEW_I2C_WRITE; | ||
234 | st->buf[1] = msg[i].addr << 1; | ||
235 | st->buf[2] = (en_start << 7) | (en_stop << 6) | | ||
236 | (msg[i].len & 0x3F); | ||
237 | /* I2C ctrl + FE bus; */ | ||
238 | st->buf[3] = ((gen_mode << 6) & 0xC0) | | ||
239 | ((bus_mode << 4) & 0x30); | ||
240 | /* The Actual i2c payload */ | ||
241 | memcpy(&st->buf[4], msg[i].buf, msg[i].len); | ||
242 | |||
243 | deb_data(">>> "); | ||
244 | debug_dump(st->buf, msg[i].len + 4, deb_data); | ||
245 | |||
246 | result = usb_control_msg(d->udev, | ||
247 | usb_sndctrlpipe(d->udev, 0), | ||
248 | REQUEST_NEW_I2C_WRITE, | ||
249 | USB_TYPE_VENDOR | USB_DIR_OUT, | ||
250 | 0, 0, st->buf, msg[i].len + 4, | ||
251 | USB_CTRL_GET_TIMEOUT); | ||
252 | mutex_unlock(&d->usb_mutex); | ||
253 | if (result < 0) { | ||
254 | deb_info("i2c write error (status = %d)\n", result); | ||
255 | break; | ||
256 | } | ||
257 | } | ||
258 | } | ||
259 | mutex_unlock(&d->i2c_mutex); | ||
260 | return i; | ||
261 | } | ||
262 | |||
263 | /* | ||
264 | * I2C master xfer function (pre-1.20 firmware) | ||
265 | */ | ||
266 | static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, | ||
267 | struct i2c_msg *msg, int num) | ||
268 | { | ||
269 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | ||
270 | struct dib0700_state *st = d->priv; | ||
271 | int i,len; | ||
272 | |||
273 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | ||
274 | return -EAGAIN; | ||
275 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
276 | deb_info("could not acquire lock"); | ||
277 | return 0; | ||
278 | } | ||
279 | |||
280 | for (i = 0; i < num; i++) { | ||
281 | /* fill in the address */ | ||
282 | st->buf[1] = msg[i].addr << 1; | ||
283 | /* fill the buffer */ | ||
284 | memcpy(&st->buf[2], msg[i].buf, msg[i].len); | ||
285 | |||
286 | /* write/read request */ | ||
287 | if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { | ||
288 | st->buf[0] = REQUEST_I2C_READ; | ||
289 | st->buf[1] |= 1; | ||
290 | |||
291 | /* special thing in the current firmware: when length is zero the read-failed */ | ||
292 | len = dib0700_ctrl_rd(d, st->buf, msg[i].len + 2, | ||
293 | msg[i+1].buf, msg[i+1].len); | ||
294 | if (len <= 0) { | ||
295 | deb_info("I2C read failed on address 0x%02x\n", | ||
296 | msg[i].addr); | ||
297 | break; | ||
298 | } | ||
299 | |||
300 | msg[i+1].len = len; | ||
301 | |||
302 | i++; | ||
303 | } else { | ||
304 | st->buf[0] = REQUEST_I2C_WRITE; | ||
305 | if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0) | ||
306 | break; | ||
307 | } | ||
308 | } | ||
309 | mutex_unlock(&d->usb_mutex); | ||
310 | mutex_unlock(&d->i2c_mutex); | ||
311 | |||
312 | return i; | ||
313 | } | ||
314 | |||
315 | static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, | ||
316 | int num) | ||
317 | { | ||
318 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | ||
319 | struct dib0700_state *st = d->priv; | ||
320 | |||
321 | if (st->fw_use_new_i2c_api == 1) { | ||
322 | /* User running at least fw 1.20 */ | ||
323 | return dib0700_i2c_xfer_new(adap, msg, num); | ||
324 | } else { | ||
325 | /* Use legacy calls */ | ||
326 | return dib0700_i2c_xfer_legacy(adap, msg, num); | ||
327 | } | ||
328 | } | ||
329 | |||
330 | static u32 dib0700_i2c_func(struct i2c_adapter *adapter) | ||
331 | { | ||
332 | return I2C_FUNC_I2C; | ||
333 | } | ||
334 | |||
335 | struct i2c_algorithm dib0700_i2c_algo = { | ||
336 | .master_xfer = dib0700_i2c_xfer, | ||
337 | .functionality = dib0700_i2c_func, | ||
338 | }; | ||
339 | |||
340 | int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, | ||
341 | struct dvb_usb_device_description **desc, int *cold) | ||
342 | { | ||
343 | s16 ret; | ||
344 | u8 *b; | ||
345 | |||
346 | b = kmalloc(16, GFP_KERNEL); | ||
347 | if (!b) | ||
348 | return -ENOMEM; | ||
349 | |||
350 | |||
351 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | ||
352 | REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT); | ||
353 | |||
354 | deb_info("FW GET_VERSION length: %d\n",ret); | ||
355 | |||
356 | *cold = ret <= 0; | ||
357 | deb_info("cold: %d\n", *cold); | ||
358 | |||
359 | kfree(b); | ||
360 | return 0; | ||
361 | } | ||
362 | |||
363 | static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll, | ||
364 | u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv, | ||
365 | u16 pll_loopdiv, u16 free_div, u16 dsuScaler) | ||
366 | { | ||
367 | struct dib0700_state *st = d->priv; | ||
368 | int ret; | ||
369 | |||
370 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
371 | deb_info("could not acquire lock"); | ||
372 | return 0; | ||
373 | } | ||
374 | |||
375 | st->buf[0] = REQUEST_SET_CLOCK; | ||
376 | st->buf[1] = (en_pll << 7) | (pll_src << 6) | | ||
377 | (pll_range << 5) | (clock_gpio3 << 4); | ||
378 | st->buf[2] = (pll_prediv >> 8) & 0xff; /* MSB */ | ||
379 | st->buf[3] = pll_prediv & 0xff; /* LSB */ | ||
380 | st->buf[4] = (pll_loopdiv >> 8) & 0xff; /* MSB */ | ||
381 | st->buf[5] = pll_loopdiv & 0xff; /* LSB */ | ||
382 | st->buf[6] = (free_div >> 8) & 0xff; /* MSB */ | ||
383 | st->buf[7] = free_div & 0xff; /* LSB */ | ||
384 | st->buf[8] = (dsuScaler >> 8) & 0xff; /* MSB */ | ||
385 | st->buf[9] = dsuScaler & 0xff; /* LSB */ | ||
386 | |||
387 | ret = dib0700_ctrl_wr(d, st->buf, 10); | ||
388 | mutex_unlock(&d->usb_mutex); | ||
389 | |||
390 | return ret; | ||
391 | } | ||
392 | |||
393 | int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz) | ||
394 | { | ||
395 | struct dib0700_state *st = d->priv; | ||
396 | u16 divider; | ||
397 | int ret; | ||
398 | |||
399 | if (scl_kHz == 0) | ||
400 | return -EINVAL; | ||
401 | |||
402 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
403 | deb_info("could not acquire lock"); | ||
404 | return 0; | ||
405 | } | ||
406 | |||
407 | st->buf[0] = REQUEST_SET_I2C_PARAM; | ||
408 | divider = (u16) (30000 / scl_kHz); | ||
409 | st->buf[1] = 0; | ||
410 | st->buf[2] = (u8) (divider >> 8); | ||
411 | st->buf[3] = (u8) (divider & 0xff); | ||
412 | divider = (u16) (72000 / scl_kHz); | ||
413 | st->buf[4] = (u8) (divider >> 8); | ||
414 | st->buf[5] = (u8) (divider & 0xff); | ||
415 | divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */ | ||
416 | st->buf[6] = (u8) (divider >> 8); | ||
417 | st->buf[7] = (u8) (divider & 0xff); | ||
418 | |||
419 | deb_info("setting I2C speed: %04x %04x %04x (%d kHz).", | ||
420 | (st->buf[2] << 8) | (st->buf[3]), (st->buf[4] << 8) | | ||
421 | st->buf[5], (st->buf[6] << 8) | st->buf[7], scl_kHz); | ||
422 | |||
423 | ret = dib0700_ctrl_wr(d, st->buf, 8); | ||
424 | mutex_unlock(&d->usb_mutex); | ||
425 | |||
426 | return ret; | ||
427 | } | ||
428 | |||
429 | |||
430 | int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3) | ||
431 | { | ||
432 | switch (clk_MHz) { | ||
433 | case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break; | ||
434 | default: return -EINVAL; | ||
435 | } | ||
436 | return 0; | ||
437 | } | ||
438 | |||
439 | static int dib0700_jumpram(struct usb_device *udev, u32 address) | ||
440 | { | ||
441 | int ret = 0, actlen; | ||
442 | u8 *buf; | ||
443 | |||
444 | buf = kmalloc(8, GFP_KERNEL); | ||
445 | if (!buf) | ||
446 | return -ENOMEM; | ||
447 | buf[0] = REQUEST_JUMPRAM; | ||
448 | buf[1] = 0; | ||
449 | buf[2] = 0; | ||
450 | buf[3] = 0; | ||
451 | buf[4] = (address >> 24) & 0xff; | ||
452 | buf[5] = (address >> 16) & 0xff; | ||
453 | buf[6] = (address >> 8) & 0xff; | ||
454 | buf[7] = address & 0xff; | ||
455 | |||
456 | if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) { | ||
457 | deb_fw("jumpram to 0x%x failed\n",address); | ||
458 | goto out; | ||
459 | } | ||
460 | if (actlen != 8) { | ||
461 | deb_fw("jumpram to 0x%x failed\n",address); | ||
462 | ret = -EIO; | ||
463 | goto out; | ||
464 | } | ||
465 | out: | ||
466 | kfree(buf); | ||
467 | return ret; | ||
468 | } | ||
469 | |||
470 | int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw) | ||
471 | { | ||
472 | struct hexline hx; | ||
473 | int pos = 0, ret, act_len, i, adap_num; | ||
474 | u8 *buf; | ||
475 | u32 fw_version; | ||
476 | |||
477 | buf = kmalloc(260, GFP_KERNEL); | ||
478 | if (!buf) | ||
479 | return -ENOMEM; | ||
480 | |||
481 | while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { | ||
482 | deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", | ||
483 | hx.addr, hx.len, hx.chk); | ||
484 | |||
485 | buf[0] = hx.len; | ||
486 | buf[1] = (hx.addr >> 8) & 0xff; | ||
487 | buf[2] = hx.addr & 0xff; | ||
488 | buf[3] = hx.type; | ||
489 | memcpy(&buf[4],hx.data,hx.len); | ||
490 | buf[4+hx.len] = hx.chk; | ||
491 | |||
492 | ret = usb_bulk_msg(udev, | ||
493 | usb_sndbulkpipe(udev, 0x01), | ||
494 | buf, | ||
495 | hx.len + 5, | ||
496 | &act_len, | ||
497 | 1000); | ||
498 | |||
499 | if (ret < 0) { | ||
500 | err("firmware download failed at %d with %d",pos,ret); | ||
501 | goto out; | ||
502 | } | ||
503 | } | ||
504 | |||
505 | if (ret == 0) { | ||
506 | /* start the firmware */ | ||
507 | if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) { | ||
508 | info("firmware started successfully."); | ||
509 | msleep(500); | ||
510 | } | ||
511 | } else | ||
512 | ret = -EIO; | ||
513 | |||
514 | /* the number of ts packet has to be at least 1 */ | ||
515 | if (nb_packet_buffer_size < 1) | ||
516 | nb_packet_buffer_size = 1; | ||
517 | |||
518 | /* get the fimware version */ | ||
519 | usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | ||
520 | REQUEST_GET_VERSION, | ||
521 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | ||
522 | buf, 16, USB_CTRL_GET_TIMEOUT); | ||
523 | fw_version = (buf[8] << 24) | (buf[9] << 16) | (buf[10] << 8) | buf[11]; | ||
524 | |||
525 | /* set the buffer size - DVB-USB is allocating URB buffers | ||
526 | * only after the firwmare download was successful */ | ||
527 | for (i = 0; i < dib0700_device_count; i++) { | ||
528 | for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters; | ||
529 | adap_num++) { | ||
530 | if (fw_version >= 0x10201) { | ||
531 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 188*nb_packet_buffer_size; | ||
532 | } else { | ||
533 | /* for fw version older than 1.20.1, | ||
534 | * the buffersize has to be n times 512 */ | ||
535 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512; | ||
536 | if (dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize < 512) | ||
537 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 512; | ||
538 | } | ||
539 | } | ||
540 | } | ||
541 | out: | ||
542 | kfree(buf); | ||
543 | return ret; | ||
544 | } | ||
545 | |||
546 | int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) | ||
547 | { | ||
548 | struct dib0700_state *st = adap->dev->priv; | ||
549 | int ret; | ||
550 | |||
551 | if ((onoff != 0) && (st->fw_version >= 0x10201)) { | ||
552 | /* for firmware later than 1.20.1, | ||
553 | * the USB xfer length can be set */ | ||
554 | ret = dib0700_set_usb_xfer_len(adap->dev, | ||
555 | st->nb_packet_buffer_size); | ||
556 | if (ret < 0) { | ||
557 | deb_info("can not set the USB xfer len\n"); | ||
558 | return ret; | ||
559 | } | ||
560 | } | ||
561 | |||
562 | if (mutex_lock_interruptible(&adap->dev->usb_mutex) < 0) { | ||
563 | deb_info("could not acquire lock"); | ||
564 | return 0; | ||
565 | } | ||
566 | |||
567 | st->buf[0] = REQUEST_ENABLE_VIDEO; | ||
568 | /* this bit gives a kind of command, | ||
569 | * rather than enabling something or not */ | ||
570 | st->buf[1] = (onoff << 4) | 0x00; | ||
571 | |||
572 | if (st->disable_streaming_master_mode == 1) | ||
573 | st->buf[2] = 0x00; | ||
574 | else | ||
575 | st->buf[2] = 0x01 << 4; /* Master mode */ | ||
576 | |||
577 | st->buf[3] = 0x00; | ||
578 | |||
579 | deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); | ||
580 | |||
581 | st->channel_state &= ~0x3; | ||
582 | if ((adap->stream.props.endpoint != 2) | ||
583 | && (adap->stream.props.endpoint != 3)) { | ||
584 | deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->stream.props.endpoint); | ||
585 | if (onoff) | ||
586 | st->channel_state |= 1 << (adap->id); | ||
587 | else | ||
588 | st->channel_state |= 1 << ~(adap->id); | ||
589 | } else { | ||
590 | if (onoff) | ||
591 | st->channel_state |= 1 << (adap->stream.props.endpoint-2); | ||
592 | else | ||
593 | st->channel_state |= 1 << (3-adap->stream.props.endpoint); | ||
594 | } | ||
595 | |||
596 | st->buf[2] |= st->channel_state; | ||
597 | |||
598 | deb_info("data for streaming: %x %x\n", st->buf[1], st->buf[2]); | ||
599 | |||
600 | ret = dib0700_ctrl_wr(adap->dev, st->buf, 4); | ||
601 | mutex_unlock(&adap->dev->usb_mutex); | ||
602 | |||
603 | return ret; | ||
604 | } | ||
605 | |||
606 | int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) | ||
607 | { | ||
608 | struct dvb_usb_device *d = rc->priv; | ||
609 | struct dib0700_state *st = d->priv; | ||
610 | int new_proto, ret; | ||
611 | |||
612 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | ||
613 | deb_info("could not acquire lock"); | ||
614 | return 0; | ||
615 | } | ||
616 | |||
617 | st->buf[0] = REQUEST_SET_RC; | ||
618 | st->buf[1] = 0; | ||
619 | st->buf[2] = 0; | ||
620 | |||
621 | /* Set the IR mode */ | ||
622 | if (rc_type == RC_TYPE_RC5) | ||
623 | new_proto = 1; | ||
624 | else if (rc_type == RC_TYPE_NEC) | ||
625 | new_proto = 0; | ||
626 | else if (rc_type == RC_TYPE_RC6) { | ||
627 | if (st->fw_version < 0x10200) { | ||
628 | ret = -EINVAL; | ||
629 | goto out; | ||
630 | } | ||
631 | |||
632 | new_proto = 2; | ||
633 | } else { | ||
634 | ret = -EINVAL; | ||
635 | goto out; | ||
636 | } | ||
637 | |||
638 | st->buf[1] = new_proto; | ||
639 | |||
640 | ret = dib0700_ctrl_wr(d, st->buf, 3); | ||
641 | if (ret < 0) { | ||
642 | err("ir protocol setup failed"); | ||
643 | goto out; | ||
644 | } | ||
645 | |||
646 | d->props.rc.core.protocol = rc_type; | ||
647 | |||
648 | out: | ||
649 | mutex_unlock(&d->usb_mutex); | ||
650 | return ret; | ||
651 | } | ||
652 | |||
653 | /* Number of keypresses to ignore before start repeating */ | ||
654 | #define RC_REPEAT_DELAY_V1_20 10 | ||
655 | |||
656 | /* This is the structure of the RC response packet starting in firmware 1.20 */ | ||
657 | struct dib0700_rc_response { | ||
658 | u8 report_id; | ||
659 | u8 data_state; | ||
660 | union { | ||
661 | u16 system16; | ||
662 | struct { | ||
663 | u8 not_system; | ||
664 | u8 system; | ||
665 | }; | ||
666 | }; | ||
667 | u8 data; | ||
668 | u8 not_data; | ||
669 | }; | ||
670 | #define RC_MSG_SIZE_V1_20 6 | ||
671 | |||
672 | static void dib0700_rc_urb_completion(struct urb *purb) | ||
673 | { | ||
674 | struct dvb_usb_device *d = purb->context; | ||
675 | struct dib0700_rc_response *poll_reply; | ||
676 | u32 uninitialized_var(keycode); | ||
677 | u8 toggle; | ||
678 | |||
679 | deb_info("%s()\n", __func__); | ||
680 | if (d == NULL) | ||
681 | return; | ||
682 | |||
683 | if (d->rc_dev == NULL) { | ||
684 | /* This will occur if disable_rc_polling=1 */ | ||
685 | usb_free_urb(purb); | ||
686 | return; | ||
687 | } | ||
688 | |||
689 | poll_reply = purb->transfer_buffer; | ||
690 | |||
691 | if (purb->status < 0) { | ||
692 | deb_info("discontinuing polling\n"); | ||
693 | usb_free_urb(purb); | ||
694 | return; | ||
695 | } | ||
696 | |||
697 | if (purb->actual_length != RC_MSG_SIZE_V1_20) { | ||
698 | deb_info("malformed rc msg size=%d\n", purb->actual_length); | ||
699 | goto resubmit; | ||
700 | } | ||
701 | |||
702 | deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n", | ||
703 | poll_reply->report_id, poll_reply->data_state, | ||
704 | poll_reply->system, poll_reply->not_system, | ||
705 | poll_reply->data, poll_reply->not_data, | ||
706 | purb->actual_length); | ||
707 | |||
708 | switch (d->props.rc.core.protocol) { | ||
709 | case RC_TYPE_NEC: | ||
710 | toggle = 0; | ||
711 | |||
712 | /* NEC protocol sends repeat code as 0 0 0 FF */ | ||
713 | if ((poll_reply->system == 0x00) && (poll_reply->data == 0x00) | ||
714 | && (poll_reply->not_data == 0xff)) { | ||
715 | poll_reply->data_state = 2; | ||
716 | break; | ||
717 | } | ||
718 | |||
719 | if ((poll_reply->system ^ poll_reply->not_system) != 0xff) { | ||
720 | deb_data("NEC extended protocol\n"); | ||
721 | /* NEC extended code - 24 bits */ | ||
722 | keycode = be16_to_cpu(poll_reply->system16) << 8 | poll_reply->data; | ||
723 | } else { | ||
724 | deb_data("NEC normal protocol\n"); | ||
725 | /* normal NEC code - 16 bits */ | ||
726 | keycode = poll_reply->system << 8 | poll_reply->data; | ||
727 | } | ||
728 | |||
729 | break; | ||
730 | default: | ||
731 | deb_data("RC5 protocol\n"); | ||
732 | /* RC5 Protocol */ | ||
733 | toggle = poll_reply->report_id; | ||
734 | keycode = poll_reply->system << 8 | poll_reply->data; | ||
735 | |||
736 | break; | ||
737 | } | ||
738 | |||
739 | if ((poll_reply->data + poll_reply->not_data) != 0xff) { | ||
740 | /* Key failed integrity check */ | ||
741 | err("key failed integrity check: %04x %02x %02x", | ||
742 | poll_reply->system, | ||
743 | poll_reply->data, poll_reply->not_data); | ||
744 | goto resubmit; | ||
745 | } | ||
746 | |||
747 | rc_keydown(d->rc_dev, keycode, toggle); | ||
748 | |||
749 | resubmit: | ||
750 | /* Clean the buffer before we requeue */ | ||
751 | memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20); | ||
752 | |||
753 | /* Requeue URB */ | ||
754 | usb_submit_urb(purb, GFP_ATOMIC); | ||
755 | } | ||
756 | |||
757 | int dib0700_rc_setup(struct dvb_usb_device *d) | ||
758 | { | ||
759 | struct dib0700_state *st = d->priv; | ||
760 | struct urb *purb; | ||
761 | int ret; | ||
762 | |||
763 | /* Poll-based. Don't initialize bulk mode */ | ||
764 | if (st->fw_version < 0x10200) | ||
765 | return 0; | ||
766 | |||
767 | /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ | ||
768 | purb = usb_alloc_urb(0, GFP_KERNEL); | ||
769 | if (purb == NULL) { | ||
770 | err("rc usb alloc urb failed\n"); | ||
771 | return -ENOMEM; | ||
772 | } | ||
773 | |||
774 | purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL); | ||
775 | if (purb->transfer_buffer == NULL) { | ||
776 | err("rc kzalloc failed\n"); | ||
777 | usb_free_urb(purb); | ||
778 | return -ENOMEM; | ||
779 | } | ||
780 | |||
781 | purb->status = -EINPROGRESS; | ||
782 | usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1), | ||
783 | purb->transfer_buffer, RC_MSG_SIZE_V1_20, | ||
784 | dib0700_rc_urb_completion, d); | ||
785 | |||
786 | ret = usb_submit_urb(purb, GFP_ATOMIC); | ||
787 | if (ret) | ||
788 | err("rc submit urb failed\n"); | ||
789 | |||
790 | return ret; | ||
791 | } | ||
792 | |||
793 | static int dib0700_probe(struct usb_interface *intf, | ||
794 | const struct usb_device_id *id) | ||
795 | { | ||
796 | int i; | ||
797 | struct dvb_usb_device *dev; | ||
798 | |||
799 | for (i = 0; i < dib0700_device_count; i++) | ||
800 | if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, | ||
801 | &dev, adapter_nr) == 0) { | ||
802 | struct dib0700_state *st = dev->priv; | ||
803 | u32 hwversion, romversion, fw_version, fwtype; | ||
804 | |||
805 | dib0700_get_version(dev, &hwversion, &romversion, | ||
806 | &fw_version, &fwtype); | ||
807 | |||
808 | deb_info("Firmware version: %x, %d, 0x%x, %d\n", | ||
809 | hwversion, romversion, fw_version, fwtype); | ||
810 | |||
811 | st->fw_version = fw_version; | ||
812 | st->nb_packet_buffer_size = (u32)nb_packet_buffer_size; | ||
813 | |||
814 | /* Disable polling mode on newer firmwares */ | ||
815 | if (st->fw_version >= 0x10200) | ||
816 | dev->props.rc.core.bulk_mode = true; | ||
817 | else | ||
818 | dev->props.rc.core.bulk_mode = false; | ||
819 | |||
820 | dib0700_rc_setup(dev); | ||
821 | |||
822 | return 0; | ||
823 | } | ||
824 | |||
825 | return -ENODEV; | ||
826 | } | ||
827 | |||
828 | static struct usb_driver dib0700_driver = { | ||
829 | .name = "dvb_usb_dib0700", | ||
830 | .probe = dib0700_probe, | ||
831 | .disconnect = dvb_usb_device_exit, | ||
832 | .id_table = dib0700_usb_id_table, | ||
833 | }; | ||
834 | |||
835 | /* module stuff */ | ||
836 | static int __init dib0700_module_init(void) | ||
837 | { | ||
838 | int result; | ||
839 | info("loaded with support for %d different device-types", dib0700_device_count); | ||
840 | if ((result = usb_register(&dib0700_driver))) { | ||
841 | err("usb_register failed. Error number %d",result); | ||
842 | return result; | ||
843 | } | ||
844 | |||
845 | return 0; | ||
846 | } | ||
847 | |||
848 | static void __exit dib0700_module_exit(void) | ||
849 | { | ||
850 | /* deregister this driver from the USB subsystem */ | ||
851 | usb_deregister(&dib0700_driver); | ||
852 | } | ||
853 | |||
854 | module_init (dib0700_module_init); | ||
855 | module_exit (dib0700_module_exit); | ||
856 | |||
857 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); | ||
858 | MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge"); | ||
859 | MODULE_VERSION("1.0"); | ||
860 | MODULE_LICENSE("GPL"); | ||