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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"); |
bff469f4 OG |
35 | return 0; |
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"); |
bff469f4 OG |
121 | return 0; |
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"); |
bff469f4 OG |
142 | return 0; |
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) | |
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; */ | |
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, | |
216 | value, index, msg[i].buf, | |
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 MK |
223 | |
224 | deb_data("<<< "); | |
225 | debug_dump(msg[i].buf, msg[i].len, deb_data); | |
226 | ||
bdc203e1 DH |
227 | } else { |
228 | /* Write request */ | |
bff469f4 | 229 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 230 | err("could not acquire lock"); |
bff469f4 OG |
231 | return 0; |
232 | } | |
ffa5899c OG |
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) | | |
bdc203e1 DH |
236 | (msg[i].len & 0x3F); |
237 | /* I2C ctrl + FE bus; */ | |
ffa5899c | 238 | st->buf[3] = ((gen_mode << 6) & 0xC0) | |
230b27cd | 239 | ((bus_mode << 4) & 0x30); |
bdc203e1 | 240 | /* The Actual i2c payload */ |
ffa5899c | 241 | memcpy(&st->buf[4], msg[i].buf, msg[i].len); |
bdc203e1 | 242 | |
d2514991 | 243 | deb_data(">>> "); |
ffa5899c | 244 | debug_dump(st->buf, msg[i].len + 4, deb_data); |
d2514991 | 245 | |
bdc203e1 DH |
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, | |
ffa5899c | 250 | 0, 0, st->buf, msg[i].len + 4, |
bdc203e1 | 251 | USB_CTRL_GET_TIMEOUT); |
bff469f4 | 252 | mutex_unlock(&d->usb_mutex); |
bdc203e1 | 253 | if (result < 0) { |
be9bae10 | 254 | deb_info("i2c write error (status = %d)\n", result); |
bdc203e1 DH |
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) | |
b7f54910 PB |
268 | { |
269 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
ffa5899c | 270 | struct dib0700_state *st = d->priv; |
b7f54910 | 271 | int i,len; |
b7f54910 PB |
272 | |
273 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
274 | return -EAGAIN; | |
bff469f4 | 275 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 276 | err("could not acquire lock"); |
bff469f4 OG |
277 | return 0; |
278 | } | |
b7f54910 PB |
279 | |
280 | for (i = 0; i < num; i++) { | |
281 | /* fill in the address */ | |
ffa5899c | 282 | st->buf[1] = msg[i].addr << 1; |
b7f54910 | 283 | /* fill the buffer */ |
ffa5899c | 284 | memcpy(&st->buf[2], msg[i].buf, msg[i].len); |
b7f54910 PB |
285 | |
286 | /* write/read request */ | |
287 | if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { | |
ffa5899c OG |
288 | st->buf[0] = REQUEST_I2C_READ; |
289 | st->buf[1] |= 1; | |
b7f54910 PB |
290 | |
291 | /* special thing in the current firmware: when length is zero the read-failed */ | |
ffa5899c OG |
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) { | |
8db12cdf | 295 | deb_info("I2C read failed on address 0x%02x\n", |
ffa5899c | 296 | msg[i].addr); |
b7f54910 | 297 | break; |
303cbeaa | 298 | } |
b7f54910 PB |
299 | |
300 | msg[i+1].len = len; | |
301 | ||
302 | i++; | |
303 | } else { | |
ffa5899c OG |
304 | st->buf[0] = REQUEST_I2C_WRITE; |
305 | if (dib0700_ctrl_wr(d, st->buf, msg[i].len + 2) < 0) | |
b7f54910 PB |
306 | break; |
307 | } | |
308 | } | |
bff469f4 | 309 | mutex_unlock(&d->usb_mutex); |
b7f54910 | 310 | mutex_unlock(&d->i2c_mutex); |
ffa5899c | 311 | |
b7f54910 PB |
312 | return i; |
313 | } | |
314 | ||
bdc203e1 DH |
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 | ||
b7f54910 PB |
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 | ||
6958effe PB |
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 | { | |
ffa5899c OG |
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), | |
a75763ff PB |
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; | |
6958effe | 357 | deb_info("cold: %d\n", *cold); |
ffa5899c OG |
358 | |
359 | kfree(b); | |
6958effe PB |
360 | return 0; |
361 | } | |
362 | ||
a75763ff PB |
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 | { | |
ffa5899c | 367 | struct dib0700_state *st = d->priv; |
bff469f4 OG |
368 | int ret; |
369 | ||
370 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { | |
680417bb | 371 | err("could not acquire lock"); |
bff469f4 OG |
372 | return 0; |
373 | } | |
ffa5899c OG |
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); | |
bff469f4 | 388 | mutex_unlock(&d->usb_mutex); |
ffa5899c OG |
389 | |
390 | return ret; | |
a75763ff PB |
391 | } |
392 | ||
7757ddda OG |
393 | int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz) |
394 | { | |
ffa5899c | 395 | struct dib0700_state *st = d->priv; |
7757ddda | 396 | u16 divider; |
bff469f4 | 397 | int ret; |
7757ddda OG |
398 | |
399 | if (scl_kHz == 0) | |
400 | return -EINVAL; | |
401 | ||
bff469f4 | 402 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 403 | err("could not acquire lock"); |
bff469f4 OG |
404 | return 0; |
405 | } | |
406 | ||
ffa5899c | 407 | st->buf[0] = REQUEST_SET_I2C_PARAM; |
7757ddda | 408 | divider = (u16) (30000 / scl_kHz); |
ffa5899c OG |
409 | st->buf[1] = 0; |
410 | st->buf[2] = (u8) (divider >> 8); | |
411 | st->buf[3] = (u8) (divider & 0xff); | |
7757ddda | 412 | divider = (u16) (72000 / scl_kHz); |
ffa5899c OG |
413 | st->buf[4] = (u8) (divider >> 8); |
414 | st->buf[5] = (u8) (divider & 0xff); | |
7757ddda | 415 | divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */ |
ffa5899c OG |
416 | st->buf[6] = (u8) (divider >> 8); |
417 | st->buf[7] = (u8) (divider & 0xff); | |
7757ddda | 418 | |
b4d6046e | 419 | deb_info("setting I2C speed: %04x %04x %04x (%d kHz).", |
ffa5899c OG |
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); | |
bff469f4 OG |
422 | |
423 | ret = dib0700_ctrl_wr(d, st->buf, 8); | |
424 | mutex_unlock(&d->usb_mutex); | |
425 | ||
426 | return ret; | |
7757ddda OG |
427 | } |
428 | ||
429 | ||
a75763ff PB |
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 | ||
b7f54910 PB |
439 | static int dib0700_jumpram(struct usb_device *udev, u32 address) |
440 | { | |
ffa5899c OG |
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; | |
b7f54910 PB |
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); | |
ffa5899c | 458 | goto out; |
b7f54910 PB |
459 | } |
460 | if (actlen != 8) { | |
461 | deb_fw("jumpram to 0x%x failed\n",address); | |
ffa5899c OG |
462 | ret = -EIO; |
463 | goto out; | |
b7f54910 | 464 | } |
ffa5899c OG |
465 | out: |
466 | kfree(buf); | |
467 | return ret; | |
b7f54910 PB |
468 | } |
469 | ||
470 | int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw) | |
471 | { | |
472 | struct hexline hx; | |
acc5c9ee | 473 | int pos = 0, ret, act_len, i, adap_num; |
ffa5899c | 474 | u8 *buf; |
acc5c9ee | 475 | u32 fw_version; |
b7f54910 | 476 | |
ffa5899c OG |
477 | buf = kmalloc(260, GFP_KERNEL); |
478 | if (!buf) | |
479 | return -ENOMEM; | |
b7f54910 PB |
480 | |
481 | while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { | |
230b27cd DM |
482 | deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", |
483 | hx.addr, hx.len, hx.chk); | |
b7f54910 PB |
484 | |
485 | buf[0] = hx.len; | |
5bc63607 PB |
486 | buf[1] = (hx.addr >> 8) & 0xff; |
487 | buf[2] = hx.addr & 0xff; | |
b7f54910 PB |
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); | |
ffa5899c | 501 | goto out; |
b7f54910 PB |
502 | } |
503 | } | |
504 | ||
505 | if (ret == 0) { | |
506 | /* start the firmware */ | |
6958effe | 507 | if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) { |
b7f54910 | 508 | info("firmware started successfully."); |
a75763ff | 509 | msleep(500); |
6958effe | 510 | } |
b7f54910 PB |
511 | } else |
512 | ret = -EIO; | |
513 | ||
acc5c9ee OG |
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, | |
ffa5899c OG |
522 | buf, 16, USB_CTRL_GET_TIMEOUT); |
523 | fw_version = (buf[8] << 24) | (buf[9] << 16) | (buf[10] << 8) | buf[11]; | |
acc5c9ee OG |
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++) { | |
230b27cd | 530 | if (fw_version >= 0x10201) { |
77eed219 | 531 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 188*nb_packet_buffer_size; |
230b27cd | 532 | } else { |
acc5c9ee OG |
533 | /* for fw version older than 1.20.1, |
534 | * the buffersize has to be n times 512 */ | |
77eed219 MK |
535 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512; |
536 | if (dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize < 512) | |
537 | dib0700_devices[i].adapter[adap_num].fe[0].stream.u.bulk.buffersize = 512; | |
acc5c9ee OG |
538 | } |
539 | } | |
540 | } | |
ffa5899c OG |
541 | out: |
542 | kfree(buf); | |
b7f54910 PB |
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; | |
acc5c9ee OG |
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 | } | |
b7f54910 | 561 | |
bff469f4 | 562 | if (mutex_lock_interruptible(&adap->dev->usb_mutex) < 0) { |
680417bb | 563 | err("could not acquire lock"); |
bff469f4 OG |
564 | return 0; |
565 | } | |
566 | ||
ffa5899c OG |
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; | |
cb22cb52 DH |
571 | |
572 | if (st->disable_streaming_master_mode == 1) | |
ffa5899c | 573 | st->buf[2] = 0x00; |
cb22cb52 | 574 | else |
ffa5899c | 575 | st->buf[2] = 0x01 << 4; /* Master mode */ |
cb22cb52 | 576 | |
ffa5899c | 577 | st->buf[3] = 0x00; |
b7f54910 PB |
578 | |
579 | deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); | |
580 | ||
7757ddda | 581 | st->channel_state &= ~0x3; |
77eed219 MK |
582 | if ((adap->fe_adap[0].stream.props.endpoint != 2) |
583 | && (adap->fe_adap[0].stream.props.endpoint != 3)) { | |
584 | deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->fe_adap[0].stream.props.endpoint); | |
7757ddda OG |
585 | if (onoff) |
586 | st->channel_state |= 1 << (adap->id); | |
587 | else | |
588 | st->channel_state |= 1 << ~(adap->id); | |
b4d6046e | 589 | } else { |
7757ddda | 590 | if (onoff) |
77eed219 | 591 | st->channel_state |= 1 << (adap->fe_adap[0].stream.props.endpoint-2); |
7757ddda | 592 | else |
77eed219 | 593 | st->channel_state |= 1 << (3-adap->fe_adap[0].stream.props.endpoint); |
7757ddda | 594 | } |
b7f54910 | 595 | |
ffa5899c | 596 | st->buf[2] |= st->channel_state; |
b7f54910 | 597 | |
ffa5899c | 598 | deb_info("data for streaming: %x %x\n", st->buf[1], st->buf[2]); |
b7f54910 | 599 | |
bff469f4 OG |
600 | ret = dib0700_ctrl_wr(adap->dev, st->buf, 4); |
601 | mutex_unlock(&adap->dev->usb_mutex); | |
602 | ||
603 | return ret; | |
b7f54910 PB |
604 | } |
605 | ||
52b66144 | 606 | int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) |
0ffd1ab3 | 607 | { |
d8b4b582 | 608 | struct dvb_usb_device *d = rc->priv; |
0ffd1ab3 | 609 | struct dib0700_state *st = d->priv; |
0ffd1ab3 MCC |
610 | int new_proto, ret; |
611 | ||
bff469f4 | 612 | if (mutex_lock_interruptible(&d->usb_mutex) < 0) { |
680417bb | 613 | err("could not acquire lock"); |
bff469f4 OG |
614 | return 0; |
615 | } | |
616 | ||
ffa5899c OG |
617 | st->buf[0] = REQUEST_SET_RC; |
618 | st->buf[1] = 0; | |
619 | st->buf[2] = 0; | |
620 | ||
0ffd1ab3 | 621 | /* Set the IR mode */ |
52b66144 | 622 | if (rc_type == RC_TYPE_RC5) |
0ffd1ab3 | 623 | new_proto = 1; |
52b66144 | 624 | else if (rc_type == RC_TYPE_NEC) |
0ffd1ab3 | 625 | new_proto = 0; |
52b66144 | 626 | else if (rc_type == RC_TYPE_RC6) { |
bff469f4 OG |
627 | if (st->fw_version < 0x10200) { |
628 | ret = -EINVAL; | |
629 | goto out; | |
630 | } | |
0ffd1ab3 MCC |
631 | |
632 | new_proto = 2; | |
bff469f4 OG |
633 | } else { |
634 | ret = -EINVAL; | |
635 | goto out; | |
636 | } | |
0ffd1ab3 | 637 | |
ffa5899c | 638 | st->buf[1] = new_proto; |
0ffd1ab3 | 639 | |
ffa5899c | 640 | ret = dib0700_ctrl_wr(d, st->buf, 3); |
0ffd1ab3 MCC |
641 | if (ret < 0) { |
642 | err("ir protocol setup failed"); | |
bff469f4 | 643 | goto out; |
0ffd1ab3 MCC |
644 | } |
645 | ||
52b66144 | 646 | d->props.rc.core.protocol = rc_type; |
0ffd1ab3 | 647 | |
bff469f4 OG |
648 | out: |
649 | mutex_unlock(&d->usb_mutex); | |
0ffd1ab3 MCC |
650 | return ret; |
651 | } | |
652 | ||
6a207100 DH |
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; | |
d3c501d1 MCC |
660 | union { |
661 | u16 system16; | |
662 | struct { | |
d3c501d1 | 663 | u8 not_system; |
59aa3460 | 664 | u8 system; |
d3c501d1 MCC |
665 | }; |
666 | }; | |
6a207100 DH |
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; | |
d3c501d1 MCC |
675 | struct dib0700_rc_response *poll_reply; |
676 | u32 uninitialized_var(keycode); | |
72b39310 | 677 | u8 toggle; |
6a207100 DH |
678 | |
679 | deb_info("%s()\n", __func__); | |
680 | if (d == NULL) | |
681 | return; | |
682 | ||
d8b4b582 | 683 | if (d->rc_dev == NULL) { |
6a207100 DH |
684 | /* This will occur if disable_rc_polling=1 */ |
685 | usb_free_urb(purb); | |
686 | return; | |
687 | } | |
688 | ||
d3c501d1 | 689 | poll_reply = purb->transfer_buffer; |
6a207100 DH |
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 | ||
d3c501d1 MCC |
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); | |
6a207100 | 707 | |
0ffd1ab3 | 708 | switch (d->props.rc.core.protocol) { |
52b66144 | 709 | case RC_TYPE_NEC: |
72b39310 | 710 | toggle = 0; |
6a207100 DH |
711 | |
712 | /* NEC protocol sends repeat code as 0 0 0 FF */ | |
d3c501d1 MCC |
713 | if ((poll_reply->system == 0x00) && (poll_reply->data == 0x00) |
714 | && (poll_reply->not_data == 0xff)) { | |
715 | poll_reply->data_state = 2; | |
6a207100 DH |
716 | break; |
717 | } | |
72b39310 | 718 | |
d3c501d1 MCC |
719 | if ((poll_reply->system ^ poll_reply->not_system) != 0xff) { |
720 | deb_data("NEC extended protocol\n"); | |
721 | /* NEC extended code - 24 bits */ | |
59aa3460 | 722 | keycode = be16_to_cpu(poll_reply->system16) << 8 | poll_reply->data; |
d3c501d1 MCC |
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 | ||
6a207100 DH |
729 | break; |
730 | default: | |
d3c501d1 | 731 | deb_data("RC5 protocol\n"); |
6a207100 | 732 | /* RC5 Protocol */ |
d3c501d1 | 733 | toggle = poll_reply->report_id; |
59aa3460 | 734 | keycode = poll_reply->system << 8 | poll_reply->data; |
72b39310 | 735 | |
6a207100 DH |
736 | break; |
737 | } | |
738 | ||
d3c501d1 | 739 | if ((poll_reply->data + poll_reply->not_data) != 0xff) { |
6a207100 DH |
740 | /* Key failed integrity check */ |
741 | err("key failed integrity check: %04x %02x %02x", | |
d3c501d1 MCC |
742 | poll_reply->system, |
743 | poll_reply->data, poll_reply->not_data); | |
6a207100 DH |
744 | goto resubmit; |
745 | } | |
746 | ||
ca86674b | 747 | rc_keydown(d->rc_dev, keycode, toggle); |
6a207100 DH |
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 | ||
58e6f95e | 757 | int dib0700_rc_setup(struct dvb_usb_device *d) |
89f4267d | 758 | { |
6a207100 | 759 | struct dib0700_state *st = d->priv; |
6a207100 DH |
760 | struct urb *purb; |
761 | int ret; | |
6a207100 | 762 | |
0ffd1ab3 | 763 | /* Poll-based. Don't initialize bulk mode */ |
6a207100 DH |
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"); | |
8871c85d | 771 | return -ENOMEM; |
6a207100 DH |
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); | |
8871c85d | 778 | return -ENOMEM; |
6a207100 DH |
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); | |
8871c85d | 787 | if (ret) |
6a207100 | 788 | err("rc submit urb failed\n"); |
6a207100 | 789 | |
8871c85d | 790 | return ret; |
89f4267d JG |
791 | } |
792 | ||
b7f54910 PB |
793 | static int dib0700_probe(struct usb_interface *intf, |
794 | const struct usb_device_id *id) | |
795 | { | |
796 | int i; | |
89f4267d | 797 | struct dvb_usb_device *dev; |
b7f54910 PB |
798 | |
799 | for (i = 0; i < dib0700_device_count; i++) | |
78e92006 | 800 | if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, |
acc5c9ee OG |
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 | ||
72b39310 MCC |
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 | ||
89f4267d | 820 | dib0700_rc_setup(dev); |
acc5c9ee | 821 | |
b7f54910 | 822 | return 0; |
89f4267d | 823 | } |
b7f54910 PB |
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"); |