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Commit | Line | Data |
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b7f54910 PB |
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 | ||
acc5c9ee OG |
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 | ||
78e92006 JG |
24 | DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); |
25 | ||
99afb989 DH |
26 | |
27 | int dib0700_get_version(struct dvb_usb_device *d, u32 *hwversion, | |
28 | u32 *romversion, u32 *ramversion, u32 *fwtype) | |
29 | { | |
ffa5899c OG |
30 | struct dib0700_state *st = d->priv; |
31 | int ret; | |
32 | ||
bff469f4 | 33 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 34 | err("could not acquire lock"); |
26a11eb1 | 35 | return -EINTR; |
bff469f4 OG |
36 | } |
37 | ||
ffa5899c | 38 | ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), |
99afb989 DH |
39 | REQUEST_GET_VERSION, |
40 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
ffa5899c | 41 | st->buf, 16, USB_CTRL_GET_TIMEOUT); |
acc5c9ee | 42 | if (hwversion != NULL) |
ffa5899c OG |
43 | *hwversion = (st->buf[0] << 24) | (st->buf[1] << 16) | |
44 | (st->buf[2] << 8) | st->buf[3]; | |
acc5c9ee | 45 | if (romversion != NULL) |
ffa5899c OG |
46 | *romversion = (st->buf[4] << 24) | (st->buf[5] << 16) | |
47 | (st->buf[6] << 8) | st->buf[7]; | |
acc5c9ee | 48 | if (ramversion != NULL) |
ffa5899c OG |
49 | *ramversion = (st->buf[8] << 24) | (st->buf[9] << 16) | |
50 | (st->buf[10] << 8) | st->buf[11]; | |
acc5c9ee | 51 | if (fwtype != NULL) |
ffa5899c OG |
52 | *fwtype = (st->buf[12] << 24) | (st->buf[13] << 16) | |
53 | (st->buf[14] << 8) | st->buf[15]; | |
bff469f4 | 54 | mutex_unlock(&d->usb_mutex); |
99afb989 DH |
55 | return ret; |
56 | } | |
57 | ||
b7f54910 PB |
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(">>> "); | |
230b27cd | 64 | debug_dump(tx, txlen, deb_data); |
b7f54910 PB |
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) | |
6958effe | 71 | deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen); |
b7f54910 PB |
72 | |
73 | return status < 0 ? status : 0; | |
74 | } | |
75 | ||
76 | /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */ | |
54d75eba | 77 | int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) |
b7f54910 PB |
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 | ||
b7f54910 PB |
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) | |
6958effe | 106 | deb_info("ep 0 read error (status = %d)\n",status); |
b7f54910 PB |
107 | |
108 | deb_data("<<< "); | |
230b27cd | 109 | debug_dump(rx, rxlen, deb_data); |
b7f54910 PB |
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 | { | |
ffa5899c | 116 | struct dib0700_state *st = d->priv; |
bff469f4 OG |
117 | int ret; |
118 | ||
119 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | |
680417bb | 120 | err("could not acquire lock"); |
26a11eb1 | 121 | return -EINTR; |
bff469f4 | 122 | } |
ffa5899c OG |
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 | ||
bff469f4 | 130 | mutex_unlock(&d->usb_mutex); |
ffa5899c | 131 | return ret; |
b7f54910 PB |
132 | } |
133 | ||
acc5c9ee OG |
134 | static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets) |
135 | { | |
230b27cd | 136 | struct dib0700_state *st = d->priv; |
230b27cd DM |
137 | int ret; |
138 | ||
139 | if (st->fw_version >= 0x10201) { | |
bff469f4 | 140 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 141 | err("could not acquire lock"); |
26a11eb1 | 142 | return -EINTR; |
bff469f4 OG |
143 | } |
144 | ||
ffa5899c OG |
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; | |
230b27cd DM |
148 | |
149 | deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets); | |
150 | ||
ffa5899c | 151 | ret = dib0700_ctrl_wr(d, st->buf, 3); |
bff469f4 | 152 | mutex_unlock(&d->usb_mutex); |
230b27cd DM |
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; | |
acc5c9ee OG |
159 | } |
160 | ||
b7f54910 | 161 | /* |
bdc203e1 | 162 | * I2C master xfer function (supported in 1.20 firmware) |
b7f54910 | 163 | */ |
bdc203e1 DH |
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); | |
ffa5899c | 171 | struct dib0700_state *st = d->priv; |
bdc203e1 DH |
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; | |
bdc203e1 DH |
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) | |
26a11eb1 | 181 | return -EINTR; |
bdc203e1 DH |
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; */ | |
230b27cd DM |
209 | index = ((gen_mode << 6) & 0xC0) | |
210 | ((bus_mode << 4) & 0x30); | |
bdc203e1 DH |
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, | |
fa1ecd8d | 216 | value, index, st->buf, |
bdc203e1 DH |
217 | msg[i].len, |
218 | USB_CTRL_GET_TIMEOUT); | |
219 | if (result < 0) { | |
be9bae10 | 220 | deb_info("i2c read error (status = %d)\n", result); |
bdc203e1 DH |
221 | break; |
222 | } | |
d2514991 | 223 | |
fa1ecd8d MCC |
224 | if (msg[i].len > sizeof(st->buf)) { |
225 | deb_info("buffer too small to fit %d bytes\n", | |
226 | msg[i].len); | |
227 | return -EIO; | |
228 | } | |
229 | ||
230 | memcpy(msg[i].buf, st->buf, msg[i].len); | |
231 | ||
d2514991 MK |
232 | deb_data("<<< "); |
233 | debug_dump(msg[i].buf, msg[i].len, deb_data); | |
234 | ||
bdc203e1 DH |
235 | } else { |
236 | /* Write request */ | |
bff469f4 | 237 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 238 | err("could not acquire lock"); |
26a11eb1 SN |
239 | mutex_unlock(&d->i2c_mutex); |
240 | return -EINTR; | |
bff469f4 | 241 | } |
ffa5899c OG |
242 | st->buf[0] = REQUEST_NEW_I2C_WRITE; |
243 | st->buf[1] = msg[i].addr << 1; | |
244 | st->buf[2] = (en_start << 7) | (en_stop << 6) | | |
bdc203e1 DH |
245 | (msg[i].len & 0x3F); |
246 | /* I2C ctrl + FE bus; */ | |
ffa5899c | 247 | st->buf[3] = ((gen_mode << 6) & 0xC0) | |
230b27cd | 248 | ((bus_mode << 4) & 0x30); |
fa1ecd8d MCC |
249 | |
250 | if (msg[i].len > sizeof(st->buf) - 4) { | |
251 | deb_info("i2c message to big: %d\n", | |
252 | msg[i].len); | |
253 | return -EIO; | |
254 | } | |
255 | ||
bdc203e1 | 256 | /* The Actual i2c payload */ |
ffa5899c | 257 | memcpy(&st->buf[4], msg[i].buf, msg[i].len); |
bdc203e1 | 258 | |
d2514991 | 259 | deb_data(">>> "); |
ffa5899c | 260 | debug_dump(st->buf, msg[i].len + 4, deb_data); |
d2514991 | 261 | |
bdc203e1 DH |
262 | result = usb_control_msg(d->udev, |
263 | usb_sndctrlpipe(d->udev, 0), | |
264 | REQUEST_NEW_I2C_WRITE, | |
265 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
ffa5899c | 266 | 0, 0, st->buf, msg[i].len + 4, |
bdc203e1 | 267 | USB_CTRL_GET_TIMEOUT); |
bff469f4 | 268 | mutex_unlock(&d->usb_mutex); |
bdc203e1 | 269 | if (result < 0) { |
be9bae10 | 270 | deb_info("i2c write error (status = %d)\n", result); |
bdc203e1 DH |
271 | break; |
272 | } | |
273 | } | |
274 | } | |
275 | mutex_unlock(&d->i2c_mutex); | |
276 | return i; | |
277 | } | |
278 | ||
279 | /* | |
280 | * I2C master xfer function (pre-1.20 firmware) | |
281 | */ | |
282 | static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, | |
283 | struct i2c_msg *msg, int num) | |
b7f54910 PB |
284 | { |
285 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
ffa5899c | 286 | struct dib0700_state *st = d->priv; |
b7f54910 | 287 | int i,len; |
b7f54910 PB |
288 | |
289 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
26a11eb1 | 290 | return -EINTR; |
bff469f4 | 291 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 292 | err("could not acquire lock"); |
26a11eb1 SN |
293 | mutex_unlock(&d->i2c_mutex); |
294 | return -EINTR; | |
bff469f4 | 295 | } |
b7f54910 PB |
296 | |
297 | for (i = 0; i < num; i++) { | |
298 | /* fill in the address */ | |
ffa5899c | 299 | st->buf[1] = msg[i].addr << 1; |
b7f54910 | 300 | /* fill the buffer */ |
fa1ecd8d MCC |
301 | if (msg[i].len > sizeof(st->buf) - 2) { |
302 | deb_info("i2c xfer to big: %d\n", | |
303 | msg[i].len); | |
304 | return -EIO; | |
305 | } | |
ffa5899c | 306 | memcpy(&st->buf[2], msg[i].buf, msg[i].len); |
b7f54910 PB |
307 | |
308 | /* write/read request */ | |
309 | if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { | |
ffa5899c OG |
310 | st->buf[0] = REQUEST_I2C_READ; |
311 | st->buf[1] |= 1; | |
b7f54910 PB |
312 | |
313 | /* special thing in the current firmware: when length is zero the read-failed */ | |
ffa5899c | 314 | len = dib0700_ctrl_rd(d, st->buf, msg[i].len + 2, |
bd1f976c | 315 | st->buf, msg[i + 1].len); |
ffa5899c | 316 | if (len <= 0) { |
8db12cdf | 317 | deb_info("I2C read failed on address 0x%02x\n", |
ffa5899c | 318 | msg[i].addr); |
b7f54910 | 319 | break; |
303cbeaa | 320 | } |
b7f54910 | 321 | |
fa1ecd8d MCC |
322 | if (msg[i + 1].len > sizeof(st->buf)) { |
323 | deb_info("i2c xfer buffer to small for %d\n", | |
324 | msg[i].len); | |
325 | return -EIO; | |
326 | } | |
bd1f976c MCC |
327 | memcpy(msg[i + 1].buf, st->buf, msg[i + 1].len); |
328 | ||
b7f54910 PB |
329 | msg[i+1].len = len; |
330 | ||
331 | i++; | |
332 | } else { | |
ffa5899c OG |
333 | st->buf[0] = REQUEST_I2C_WRITE; |
334 | if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0) | |
b7f54910 PB |
335 | break; |
336 | } | |
337 | } | |
bff469f4 | 338 | mutex_unlock(&d->usb_mutex); |
b7f54910 | 339 | mutex_unlock(&d->i2c_mutex); |
ffa5899c | 340 | |
b7f54910 PB |
341 | return i; |
342 | } | |
343 | ||
bdc203e1 DH |
344 | static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, |
345 | int num) | |
346 | { | |
347 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
348 | struct dib0700_state *st = d->priv; | |
349 | ||
350 | if (st->fw_use_new_i2c_api == 1) { | |
351 | /* User running at least fw 1.20 */ | |
352 | return dib0700_i2c_xfer_new(adap, msg, num); | |
353 | } else { | |
354 | /* Use legacy calls */ | |
355 | return dib0700_i2c_xfer_legacy(adap, msg, num); | |
356 | } | |
357 | } | |
358 | ||
b7f54910 PB |
359 | static u32 dib0700_i2c_func(struct i2c_adapter *adapter) |
360 | { | |
361 | return I2C_FUNC_I2C; | |
362 | } | |
363 | ||
364 | struct i2c_algorithm dib0700_i2c_algo = { | |
365 | .master_xfer = dib0700_i2c_xfer, | |
366 | .functionality = dib0700_i2c_func, | |
367 | }; | |
368 | ||
6958effe PB |
369 | int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, |
370 | struct dvb_usb_device_description **desc, int *cold) | |
371 | { | |
ffa5899c OG |
372 | s16 ret; |
373 | u8 *b; | |
374 | ||
375 | b = kmalloc(16, GFP_KERNEL); | |
376 | if (!b) | |
377 | return -ENOMEM; | |
378 | ||
379 | ||
380 | ret = usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
a75763ff PB |
381 | REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT); |
382 | ||
383 | deb_info("FW GET_VERSION length: %d\n",ret); | |
384 | ||
385 | *cold = ret <= 0; | |
6958effe | 386 | deb_info("cold: %d\n", *cold); |
ffa5899c OG |
387 | |
388 | kfree(b); | |
6958effe PB |
389 | return 0; |
390 | } | |
391 | ||
a75763ff PB |
392 | static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll, |
393 | u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv, | |
394 | u16 pll_loopdiv, u16 free_div, u16 dsuScaler) | |
395 | { | |
ffa5899c | 396 | struct dib0700_state *st = d->priv; |
bff469f4 OG |
397 | int ret; |
398 | ||
399 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | |
680417bb | 400 | err("could not acquire lock"); |
26a11eb1 | 401 | return -EINTR; |
bff469f4 | 402 | } |
ffa5899c OG |
403 | |
404 | st->buf[0] = REQUEST_SET_CLOCK; | |
405 | st->buf[1] = (en_pll << 7) | (pll_src << 6) | | |
406 | (pll_range << 5) | (clock_gpio3 << 4); | |
407 | st->buf[2] = (pll_prediv >> 8) & 0xff; /* MSB */ | |
408 | st->buf[3] = pll_prediv & 0xff; /* LSB */ | |
409 | st->buf[4] = (pll_loopdiv >> 8) & 0xff; /* MSB */ | |
410 | st->buf[5] = pll_loopdiv & 0xff; /* LSB */ | |
411 | st->buf[6] = (free_div >> 8) & 0xff; /* MSB */ | |
412 | st->buf[7] = free_div & 0xff; /* LSB */ | |
413 | st->buf[8] = (dsuScaler >> 8) & 0xff; /* MSB */ | |
414 | st->buf[9] = dsuScaler & 0xff; /* LSB */ | |
415 | ||
416 | ret = dib0700_ctrl_wr(d, st->buf, 10); | |
bff469f4 | 417 | mutex_unlock(&d->usb_mutex); |
ffa5899c OG |
418 | |
419 | return ret; | |
a75763ff PB |
420 | } |
421 | ||
7757ddda OG |
422 | int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz) |
423 | { | |
ffa5899c | 424 | struct dib0700_state *st = d->priv; |
7757ddda | 425 | u16 divider; |
bff469f4 | 426 | int ret; |
7757ddda OG |
427 | |
428 | if (scl_kHz == 0) | |
429 | return -EINVAL; | |
430 | ||
bff469f4 | 431 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 432 | err("could not acquire lock"); |
26a11eb1 | 433 | return -EINTR; |
bff469f4 OG |
434 | } |
435 | ||
ffa5899c | 436 | st->buf[0] = REQUEST_SET_I2C_PARAM; |
7757ddda | 437 | divider = (u16) (30000 / scl_kHz); |
ffa5899c OG |
438 | st->buf[1] = 0; |
439 | st->buf[2] = (u8) (divider >> 8); | |
440 | st->buf[3] = (u8) (divider & 0xff); | |
7757ddda | 441 | divider = (u16) (72000 / scl_kHz); |
ffa5899c OG |
442 | st->buf[4] = (u8) (divider >> 8); |
443 | st->buf[5] = (u8) (divider & 0xff); | |
7757ddda | 444 | divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */ |
ffa5899c OG |
445 | st->buf[6] = (u8) (divider >> 8); |
446 | st->buf[7] = (u8) (divider & 0xff); | |
7757ddda | 447 | |
b4d6046e | 448 | deb_info("setting I2C speed: %04x %04x %04x (%d kHz).", |
ffa5899c OG |
449 | (st->buf[2] << 8) | (st->buf[3]), (st->buf[4] << 8) | |
450 | st->buf[5], (st->buf[6] << 8) | st->buf[7], scl_kHz); | |
bff469f4 OG |
451 | |
452 | ret = dib0700_ctrl_wr(d, st->buf, 8); | |
453 | mutex_unlock(&d->usb_mutex); | |
454 | ||
455 | return ret; | |
7757ddda OG |
456 | } |
457 | ||
458 | ||
a75763ff PB |
459 | int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3) |
460 | { | |
461 | switch (clk_MHz) { | |
462 | case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break; | |
463 | default: return -EINVAL; | |
464 | } | |
465 | return 0; | |
466 | } | |
467 | ||
b7f54910 PB |
468 | static int dib0700_jumpram(struct usb_device *udev, u32 address) |
469 | { | |
ffa5899c OG |
470 | int ret = 0, actlen; |
471 | u8 *buf; | |
472 | ||
473 | buf = kmalloc(8, GFP_KERNEL); | |
474 | if (!buf) | |
475 | return -ENOMEM; | |
476 | buf[0] = REQUEST_JUMPRAM; | |
477 | buf[1] = 0; | |
478 | buf[2] = 0; | |
479 | buf[3] = 0; | |
480 | buf[4] = (address >> 24) & 0xff; | |
481 | buf[5] = (address >> 16) & 0xff; | |
482 | buf[6] = (address >> 8) & 0xff; | |
483 | buf[7] = address & 0xff; | |
b7f54910 PB |
484 | |
485 | if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) { | |
486 | deb_fw("jumpram to 0x%x failed\n",address); | |
ffa5899c | 487 | goto out; |
b7f54910 PB |
488 | } |
489 | if (actlen != 8) { | |
490 | deb_fw("jumpram to 0x%x failed\n",address); | |
ffa5899c OG |
491 | ret = -EIO; |
492 | goto out; | |
b7f54910 | 493 | } |
ffa5899c OG |
494 | out: |
495 | kfree(buf); | |
496 | return ret; | |
b7f54910 PB |
497 | } |
498 | ||
499 | int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw) | |
500 | { | |
501 | struct hexline hx; | |
acc5c9ee | 502 | int pos = 0, ret, act_len, i, adap_num; |
ffa5899c | 503 | u8 *buf; |
acc5c9ee | 504 | u32 fw_version; |
b7f54910 | 505 | |
ffa5899c OG |
506 | buf = kmalloc(260, GFP_KERNEL); |
507 | if (!buf) | |
508 | return -ENOMEM; | |
b7f54910 PB |
509 | |
510 | while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { | |
230b27cd DM |
511 | deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", |
512 | hx.addr, hx.len, hx.chk); | |
b7f54910 PB |
513 | |
514 | buf[0] = hx.len; | |
5bc63607 PB |
515 | buf[1] = (hx.addr >> 8) & 0xff; |
516 | buf[2] = hx.addr & 0xff; | |
b7f54910 PB |
517 | buf[3] = hx.type; |
518 | memcpy(&buf[4],hx.data,hx.len); | |
519 | buf[4+hx.len] = hx.chk; | |
520 | ||
521 | ret = usb_bulk_msg(udev, | |
522 | usb_sndbulkpipe(udev, 0x01), | |
523 | buf, | |
524 | hx.len + 5, | |
525 | &act_len, | |
526 | 1000); | |
527 | ||
528 | if (ret < 0) { | |
529 | err("firmware download failed at %d with %d",pos,ret); | |
ffa5899c | 530 | goto out; |
b7f54910 PB |
531 | } |
532 | } | |
533 | ||
534 | if (ret == 0) { | |
535 | /* start the firmware */ | |
6958effe | 536 | if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) { |
b7f54910 | 537 | info("firmware started successfully."); |
a75763ff | 538 | msleep(500); |
6958effe | 539 | } |
b7f54910 PB |
540 | } else |
541 | ret = -EIO; | |
542 | ||
acc5c9ee OG |
543 | /* the number of ts packet has to be at least 1 */ |
544 | if (nb_packet_buffer_size < 1) | |
545 | nb_packet_buffer_size = 1; | |
546 | ||
bad7de74 | 547 | /* get the firmware version */ |
acc5c9ee OG |
548 | usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), |
549 | REQUEST_GET_VERSION, | |
550 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
ffa5899c OG |
551 | buf, 16, USB_CTRL_GET_TIMEOUT); |
552 | fw_version = (buf[8] << 24) | (buf[9] << 16) | (buf[10] << 8) | buf[11]; | |
acc5c9ee OG |
553 | |
554 | /* set the buffer size - DVB-USB is allocating URB buffers | |
555 | * only after the firwmare download was successful */ | |
556 | for (i = 0; i < dib0700_device_count; i++) { | |
557 | for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters; | |
558 | adap_num++) { | |
230b27cd | 559 | if (fw_version >= 0x10201) { |
77eed219 | 560 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 188*nb_packet_buffer_size; |
230b27cd | 561 | } else { |
acc5c9ee OG |
562 | /* for fw version older than 1.20.1, |
563 | * the buffersize has to be n times 512 */ | |
77eed219 MK |
564 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512; |
565 | if (dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize < 512) | |
566 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 512; | |
acc5c9ee OG |
567 | } |
568 | } | |
569 | } | |
ffa5899c OG |
570 | out: |
571 | kfree(buf); | |
b7f54910 PB |
572 | return ret; |
573 | } | |
574 | ||
575 | int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) | |
576 | { | |
577 | struct dib0700_state *st = adap->dev->priv; | |
acc5c9ee OG |
578 | int ret; |
579 | ||
580 | if ((onoff != 0) && (st->fw_version >= 0x10201)) { | |
581 | /* for firmware later than 1.20.1, | |
582 | * the USB xfer length can be set */ | |
583 | ret = dib0700_set_usb_xfer_len(adap->dev, | |
584 | st->nb_packet_buffer_size); | |
585 | if (ret < 0) { | |
586 | deb_info("can not set the USB xfer len\n"); | |
587 | return ret; | |
588 | } | |
589 | } | |
b7f54910 | 590 | |
a96fbe04 | 591 | mutex_lock(&adap->dev->usb_mutex); |
bff469f4 | 592 | |
ffa5899c OG |
593 | st->buf[0] = REQUEST_ENABLE_VIDEO; |
594 | /* this bit gives a kind of command, | |
595 | * rather than enabling something or not */ | |
596 | st->buf[1] = (onoff << 4) | 0x00; | |
cb22cb52 DH |
597 | |
598 | if (st->disable_streaming_master_mode == 1) | |
ffa5899c | 599 | st->buf[2] = 0x00; |
cb22cb52 | 600 | else |
ffa5899c | 601 | st->buf[2] = 0x01 << 4; /* Master mode */ |
cb22cb52 | 602 | |
ffa5899c | 603 | st->buf[3] = 0x00; |
b7f54910 PB |
604 | |
605 | deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); | |
606 | ||
7757ddda | 607 | st->channel_state &= ~0x3; |
77eed219 MK |
608 | if ((adap->fe_adap[0].stream.props.endpoint != 2) |
609 | && (adap->fe_adap[0].stream.props.endpoint != 3)) { | |
610 | deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint); | |
7757ddda OG |
611 | if (onoff) |
612 | st->channel_state |= 1 << (adap->id); | |
613 | else | |
f85ed0ce | 614 | st->channel_state |= 1 << ~(adap->id); |
b4d6046e | 615 | } else { |
7757ddda | 616 | if (onoff) |
77eed219 | 617 | st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2); |
7757ddda | 618 | else |
77eed219 | 619 | st->channel_state |= 1 << (3-adap->fe_adap[0].stream.props.endpoint); |
7757ddda | 620 | } |
b7f54910 | 621 | |
ffa5899c | 622 | st->buf[2] |= st->channel_state; |
b7f54910 | 623 | |
ffa5899c | 624 | deb_info("data for streaming: %x %x\n", st->buf[1], st->buf[2]); |
b7f54910 | 625 | |
bff469f4 OG |
626 | ret = dib0700_ctrl_wr(adap->dev, st->buf, 4); |
627 | mutex_unlock(&adap->dev->usb_mutex); | |
628 | ||
629 | return ret; | |
b7f54910 PB |
630 | } |
631 | ||
c003ab1b | 632 | int dib0700_change_protocol(struct rc_dev *rc, u64 *rc_type) |
0ffd1ab3 | 633 | { |
d8b4b582 | 634 | struct dvb_usb_device *d = rc->priv; |
0ffd1ab3 | 635 | struct dib0700_state *st = d->priv; |
0ffd1ab3 MCC |
636 | int new_proto, ret; |
637 | ||
bff469f4 | 638 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 639 | err("could not acquire lock"); |
26a11eb1 | 640 | return -EINTR; |
bff469f4 OG |
641 | } |
642 | ||
ffa5899c OG |
643 | st->buf[0] = REQUEST_SET_RC; |
644 | st->buf[1] = 0; | |
645 | st->buf[2] = 0; | |
646 | ||
0ffd1ab3 | 647 | /* Set the IR mode */ |
c003ab1b | 648 | if (*rc_type & RC_BIT_RC5) { |
0ffd1ab3 | 649 | new_proto = 1; |
c003ab1b DH |
650 | *rc_type = RC_BIT_RC5; |
651 | } else if (*rc_type & RC_BIT_NEC) { | |
0ffd1ab3 | 652 | new_proto = 0; |
c003ab1b DH |
653 | *rc_type = RC_BIT_NEC; |
654 | } else if (*rc_type & RC_BIT_RC6_MCE) { | |
bff469f4 OG |
655 | if (st->fw_version < 0x10200) { |
656 | ret = -EINVAL; | |
657 | goto out; | |
658 | } | |
0ffd1ab3 | 659 | new_proto = 2; |
c003ab1b | 660 | *rc_type = RC_BIT_RC6_MCE; |
bff469f4 OG |
661 | } else { |
662 | ret = -EINVAL; | |
663 | goto out; | |
664 | } | |
0ffd1ab3 | 665 | |
ffa5899c | 666 | st->buf[1] = new_proto; |
0ffd1ab3 | 667 | |
ffa5899c | 668 | ret = dib0700_ctrl_wr(d, st->buf, 3); |
0ffd1ab3 MCC |
669 | if (ret < 0) { |
670 | err("ir protocol setup failed"); | |
bff469f4 | 671 | goto out; |
0ffd1ab3 MCC |
672 | } |
673 | ||
c003ab1b | 674 | d->props.rc.core.protocol = *rc_type; |
0ffd1ab3 | 675 | |
bff469f4 OG |
676 | out: |
677 | mutex_unlock(&d->usb_mutex); | |
0ffd1ab3 MCC |
678 | return ret; |
679 | } | |
680 | ||
6a207100 DH |
681 | /* This is the structure of the RC response packet starting in firmware 1.20 */ |
682 | struct dib0700_rc_response { | |
683 | u8 report_id; | |
684 | u8 data_state; | |
4d298b85 DH |
685 | union { |
686 | struct { | |
687 | u8 system; | |
688 | u8 not_system; | |
689 | u8 data; | |
690 | u8 not_data; | |
691 | } nec; | |
692 | struct { | |
693 | u8 not_used; | |
694 | u8 system; | |
695 | u8 data; | |
696 | u8 not_data; | |
697 | } rc5; | |
698 | }; | |
6a207100 DH |
699 | }; |
700 | #define RC_MSG_SIZE_V1_20 6 | |
701 | ||
702 | static void dib0700_rc_urb_completion(struct urb *purb) | |
703 | { | |
704 | struct dvb_usb_device *d = purb->context; | |
d3c501d1 | 705 | struct dib0700_rc_response *poll_reply; |
120703f9 | 706 | enum rc_type protocol; |
d3c501d1 | 707 | u32 uninitialized_var(keycode); |
72b39310 | 708 | u8 toggle; |
6a207100 DH |
709 | |
710 | deb_info("%s()\n", __func__); | |
d8b4b582 | 711 | if (d->rc_dev == NULL) { |
6a207100 | 712 | /* This will occur if disable_rc_polling=1 */ |
d3db22e1 | 713 | kfree(purb->transfer_buffer); |
6a207100 DH |
714 | usb_free_urb(purb); |
715 | return; | |
716 | } | |
717 | ||
d3c501d1 | 718 | poll_reply = purb->transfer_buffer; |
6a207100 DH |
719 | |
720 | if (purb->status < 0) { | |
721 | deb_info("discontinuing polling\n"); | |
d3db22e1 | 722 | kfree(purb->transfer_buffer); |
6a207100 DH |
723 | usb_free_urb(purb); |
724 | return; | |
725 | } | |
726 | ||
727 | if (purb->actual_length != RC_MSG_SIZE_V1_20) { | |
728 | deb_info("malformed rc msg size=%d\n", purb->actual_length); | |
729 | goto resubmit; | |
730 | } | |
731 | ||
d3c501d1 MCC |
732 | deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n", |
733 | poll_reply->report_id, poll_reply->data_state, | |
4d298b85 DH |
734 | poll_reply->nec.system, poll_reply->nec.not_system, |
735 | poll_reply->nec.data, poll_reply->nec.not_data, | |
d3c501d1 | 736 | purb->actual_length); |
6a207100 | 737 | |
0ffd1ab3 | 738 | switch (d->props.rc.core.protocol) { |
c003ab1b | 739 | case RC_BIT_NEC: |
72b39310 | 740 | toggle = 0; |
6a207100 DH |
741 | |
742 | /* NEC protocol sends repeat code as 0 0 0 FF */ | |
4d298b85 DH |
743 | if (poll_reply->nec.system == 0x00 && |
744 | poll_reply->nec.not_system == 0x00 && | |
745 | poll_reply->nec.data == 0x00 && | |
746 | poll_reply->nec.not_data == 0xff) { | |
d3c501d1 | 747 | poll_reply->data_state = 2; |
6a207100 DH |
748 | break; |
749 | } | |
72b39310 | 750 | |
4d298b85 | 751 | if ((poll_reply->nec.data ^ poll_reply->nec.not_data) != 0xff) { |
af3a4a9b | 752 | deb_data("NEC32 protocol\n"); |
4d298b85 DH |
753 | keycode = RC_SCANCODE_NEC32(poll_reply->nec.system << 24 | |
754 | poll_reply->nec.not_system << 16 | | |
755 | poll_reply->nec.data << 8 | | |
756 | poll_reply->nec.not_data); | |
2ceeca04 | 757 | protocol = RC_TYPE_NEC32; |
4d298b85 | 758 | } else if ((poll_reply->nec.system ^ poll_reply->nec.not_system) != 0xff) { |
d3c501d1 | 759 | deb_data("NEC extended protocol\n"); |
4d298b85 DH |
760 | keycode = RC_SCANCODE_NECX(poll_reply->nec.system << 8 | |
761 | poll_reply->nec.not_system, | |
762 | poll_reply->nec.data); | |
120703f9 | 763 | |
2ceeca04 | 764 | protocol = RC_TYPE_NECX; |
d3c501d1 MCC |
765 | } else { |
766 | deb_data("NEC normal protocol\n"); | |
4d298b85 DH |
767 | keycode = RC_SCANCODE_NEC(poll_reply->nec.system, |
768 | poll_reply->nec.data); | |
2ceeca04 | 769 | protocol = RC_TYPE_NEC; |
d3c501d1 MCC |
770 | } |
771 | ||
6a207100 DH |
772 | break; |
773 | default: | |
d3c501d1 | 774 | deb_data("RC5 protocol\n"); |
120703f9 | 775 | protocol = RC_TYPE_RC5; |
d3c501d1 | 776 | toggle = poll_reply->report_id; |
4d298b85 DH |
777 | keycode = RC_SCANCODE_RC5(poll_reply->rc5.system, poll_reply->rc5.data); |
778 | ||
779 | if ((poll_reply->rc5.data ^ poll_reply->rc5.not_data) != 0xff) { | |
780 | /* Key failed integrity check */ | |
781 | err("key failed integrity check: %02x %02x %02x %02x", | |
782 | poll_reply->rc5.not_used, poll_reply->rc5.system, | |
783 | poll_reply->rc5.data, poll_reply->rc5.not_data); | |
784 | goto resubmit; | |
785 | } | |
72b39310 | 786 | |
6a207100 DH |
787 | break; |
788 | } | |
789 | ||
120703f9 | 790 | rc_keydown(d->rc_dev, protocol, keycode, toggle); |
6a207100 DH |
791 | |
792 | resubmit: | |
793 | /* Clean the buffer before we requeue */ | |
794 | memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20); | |
795 | ||
796 | /* Requeue URB */ | |
797 | usb_submit_urb(purb, GFP_ATOMIC); | |
798 | } | |
799 | ||
c4018fa2 | 800 | int dib0700_rc_setup(struct dvb_usb_device *d, struct usb_interface *intf) |
89f4267d | 801 | { |
6a207100 | 802 | struct dib0700_state *st = d->priv; |
6a207100 | 803 | struct urb *purb; |
c4018fa2 MCC |
804 | const struct usb_endpoint_descriptor *e; |
805 | int ret, rc_ep = 1; | |
806 | unsigned int pipe = 0; | |
6a207100 | 807 | |
0ffd1ab3 | 808 | /* Poll-based. Don't initialize bulk mode */ |
c4018fa2 | 809 | if (st->fw_version < 0x10200 || !intf) |
6a207100 DH |
810 | return 0; |
811 | ||
812 | /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ | |
c4018fa2 | 813 | |
6a207100 | 814 | purb = usb_alloc_urb(0, GFP_KERNEL); |
abbde78f | 815 | if (purb == NULL) |
8871c85d | 816 | return -ENOMEM; |
6a207100 DH |
817 | |
818 | purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL); | |
819 | if (purb->transfer_buffer == NULL) { | |
24ed693d | 820 | err("rc kzalloc failed"); |
6a207100 | 821 | usb_free_urb(purb); |
8871c85d | 822 | return -ENOMEM; |
6a207100 DH |
823 | } |
824 | ||
825 | purb->status = -EINPROGRESS; | |
c4018fa2 MCC |
826 | |
827 | /* | |
828 | * Some devices like the Hauppauge NovaTD model 52009 use an interrupt | |
829 | * endpoint, while others use a bulk one. | |
830 | */ | |
831 | e = &intf->altsetting[0].endpoint[rc_ep].desc; | |
832 | if (usb_endpoint_dir_in(e)) { | |
833 | if (usb_endpoint_xfer_bulk(e)) { | |
834 | pipe = usb_rcvbulkpipe(d->udev, rc_ep); | |
835 | usb_fill_bulk_urb(purb, d->udev, pipe, | |
836 | purb->transfer_buffer, | |
837 | RC_MSG_SIZE_V1_20, | |
838 | dib0700_rc_urb_completion, d); | |
839 | ||
840 | } else if (usb_endpoint_xfer_int(e)) { | |
841 | pipe = usb_rcvintpipe(d->udev, rc_ep); | |
842 | usb_fill_int_urb(purb, d->udev, pipe, | |
843 | purb->transfer_buffer, | |
844 | RC_MSG_SIZE_V1_20, | |
845 | dib0700_rc_urb_completion, d, 1); | |
846 | } | |
847 | } | |
848 | ||
849 | if (!pipe) { | |
850 | err("There's no endpoint for remote controller"); | |
851 | kfree(purb->transfer_buffer); | |
852 | usb_free_urb(purb); | |
853 | return 0; | |
854 | } | |
6a207100 DH |
855 | |
856 | ret = usb_submit_urb(purb, GFP_ATOMIC); | |
d3db22e1 | 857 | if (ret) { |
24ed693d | 858 | err("rc submit urb failed"); |
d3db22e1 JD |
859 | kfree(purb->transfer_buffer); |
860 | usb_free_urb(purb); | |
861 | } | |
6a207100 | 862 | |
8871c85d | 863 | return ret; |
89f4267d JG |
864 | } |
865 | ||
b7f54910 PB |
866 | static int dib0700_probe(struct usb_interface *intf, |
867 | const struct usb_device_id *id) | |
868 | { | |
869 | int i; | |
89f4267d | 870 | struct dvb_usb_device *dev; |
b7f54910 PB |
871 | |
872 | for (i = 0; i < dib0700_device_count; i++) | |
78e92006 | 873 | if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, |
acc5c9ee OG |
874 | &dev, adapter_nr) == 0) { |
875 | struct dib0700_state *st = dev->priv; | |
876 | u32 hwversion, romversion, fw_version, fwtype; | |
877 | ||
878 | dib0700_get_version(dev, &hwversion, &romversion, | |
879 | &fw_version, &fwtype); | |
880 | ||
881 | deb_info("Firmware version: %x, %d, 0x%x, %d\n", | |
882 | hwversion, romversion, fw_version, fwtype); | |
883 | ||
884 | st->fw_version = fw_version; | |
885 | st->nb_packet_buffer_size = (u32)nb_packet_buffer_size; | |
886 | ||
72b39310 MCC |
887 | /* Disable polling mode on newer firmwares */ |
888 | if (st->fw_version >= 0x10200) | |
889 | dev->props.rc.core.bulk_mode = true; | |
890 | else | |
891 | dev->props.rc.core.bulk_mode = false; | |
892 | ||
c4018fa2 | 893 | dib0700_rc_setup(dev, intf); |
acc5c9ee | 894 | |
b7f54910 | 895 | return 0; |
89f4267d | 896 | } |
b7f54910 PB |
897 | |
898 | return -ENODEV; | |
899 | } | |
900 | ||
901 | static struct usb_driver dib0700_driver = { | |
902 | .name = "dvb_usb_dib0700", | |
903 | .probe = dib0700_probe, | |
904 | .disconnect = dvb_usb_device_exit, | |
905 | .id_table = dib0700_usb_id_table, | |
906 | }; | |
907 | ||
ecb3b2b3 | 908 | module_usb_driver(dib0700_driver); |
b7f54910 | 909 | |
68dc8bc5 | 910 | MODULE_FIRMWARE("dvb-usb-dib0700-1.20.fw"); |
99e44da7 | 911 | MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>"); |
b7f54910 PB |
912 | MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge"); |
913 | MODULE_VERSION("1.0"); | |
914 | MODULE_LICENSE("GPL"); |