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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 | { | |
30 | u8 b[16]; | |
31 | int ret = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev, 0), | |
32 | REQUEST_GET_VERSION, | |
33 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
34 | b, sizeof(b), USB_CTRL_GET_TIMEOUT); | |
acc5c9ee OG |
35 | if (hwversion != NULL) |
36 | *hwversion = (b[0] << 24) | (b[1] << 16) | (b[2] << 8) | b[3]; | |
37 | if (romversion != NULL) | |
38 | *romversion = (b[4] << 24) | (b[5] << 16) | (b[6] << 8) | b[7]; | |
39 | if (ramversion != NULL) | |
40 | *ramversion = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11]; | |
41 | if (fwtype != NULL) | |
42 | *fwtype = (b[12] << 24) | (b[13] << 16) | (b[14] << 8) | b[15]; | |
99afb989 DH |
43 | return ret; |
44 | } | |
45 | ||
b7f54910 PB |
46 | /* expecting rx buffer: request data[0] data[1] ... data[2] */ |
47 | static int dib0700_ctrl_wr(struct dvb_usb_device *d, u8 *tx, u8 txlen) | |
48 | { | |
49 | int status; | |
50 | ||
51 | deb_data(">>> "); | |
230b27cd | 52 | debug_dump(tx, txlen, deb_data); |
b7f54910 PB |
53 | |
54 | status = usb_control_msg(d->udev, usb_sndctrlpipe(d->udev,0), | |
55 | tx[0], USB_TYPE_VENDOR | USB_DIR_OUT, 0, 0, tx, txlen, | |
56 | USB_CTRL_GET_TIMEOUT); | |
57 | ||
58 | if (status != txlen) | |
6958effe | 59 | deb_data("ep 0 write error (status = %d, len: %d)\n",status,txlen); |
b7f54910 PB |
60 | |
61 | return status < 0 ? status : 0; | |
62 | } | |
63 | ||
64 | /* expecting tx buffer: request data[0] ... data[n] (n <= 4) */ | |
54d75eba | 65 | int dib0700_ctrl_rd(struct dvb_usb_device *d, u8 *tx, u8 txlen, u8 *rx, u8 rxlen) |
b7f54910 PB |
66 | { |
67 | u16 index, value; | |
68 | int status; | |
69 | ||
70 | if (txlen < 2) { | |
71 | err("tx buffer length is smaller than 2. Makes no sense."); | |
72 | return -EINVAL; | |
73 | } | |
74 | if (txlen > 4) { | |
75 | err("tx buffer length is larger than 4. Not supported."); | |
76 | return -EINVAL; | |
77 | } | |
78 | ||
79 | deb_data(">>> "); | |
80 | debug_dump(tx,txlen,deb_data); | |
81 | ||
82 | value = ((txlen - 2) << 8) | tx[1]; | |
83 | index = 0; | |
84 | if (txlen > 2) | |
85 | index |= (tx[2] << 8); | |
86 | if (txlen > 3) | |
87 | index |= tx[3]; | |
88 | ||
b7f54910 PB |
89 | status = usb_control_msg(d->udev, usb_rcvctrlpipe(d->udev,0), tx[0], |
90 | USB_TYPE_VENDOR | USB_DIR_IN, value, index, rx, rxlen, | |
91 | USB_CTRL_GET_TIMEOUT); | |
92 | ||
93 | if (status < 0) | |
6958effe | 94 | deb_info("ep 0 read error (status = %d)\n",status); |
b7f54910 PB |
95 | |
96 | deb_data("<<< "); | |
230b27cd | 97 | debug_dump(rx, rxlen, deb_data); |
b7f54910 PB |
98 | |
99 | return status; /* length in case of success */ | |
100 | } | |
101 | ||
102 | int dib0700_set_gpio(struct dvb_usb_device *d, enum dib07x0_gpios gpio, u8 gpio_dir, u8 gpio_val) | |
103 | { | |
104 | u8 buf[3] = { REQUEST_SET_GPIO, gpio, ((gpio_dir & 0x01) << 7) | ((gpio_val & 0x01) << 6) }; | |
230b27cd | 105 | return dib0700_ctrl_wr(d, buf, sizeof(buf)); |
b7f54910 PB |
106 | } |
107 | ||
acc5c9ee OG |
108 | static int dib0700_set_usb_xfer_len(struct dvb_usb_device *d, u16 nb_ts_packets) |
109 | { | |
230b27cd DM |
110 | struct dib0700_state *st = d->priv; |
111 | u8 b[3]; | |
112 | int ret; | |
113 | ||
114 | if (st->fw_version >= 0x10201) { | |
115 | b[0] = REQUEST_SET_USB_XFER_LEN; | |
116 | b[1] = (nb_ts_packets >> 8) & 0xff; | |
117 | b[2] = nb_ts_packets & 0xff; | |
118 | ||
119 | deb_info("set the USB xfer len to %i Ts packet\n", nb_ts_packets); | |
120 | ||
121 | ret = dib0700_ctrl_wr(d, b, sizeof(b)); | |
122 | } else { | |
123 | deb_info("this firmware does not allow to change the USB xfer len\n"); | |
124 | ret = -EIO; | |
125 | } | |
126 | ||
127 | return ret; | |
acc5c9ee OG |
128 | } |
129 | ||
b7f54910 | 130 | /* |
bdc203e1 | 131 | * I2C master xfer function (supported in 1.20 firmware) |
b7f54910 | 132 | */ |
bdc203e1 DH |
133 | static int dib0700_i2c_xfer_new(struct i2c_adapter *adap, struct i2c_msg *msg, |
134 | int num) | |
135 | { | |
136 | /* The new i2c firmware messages are more reliable and in particular | |
137 | properly support i2c read calls not preceded by a write */ | |
138 | ||
139 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
140 | uint8_t bus_mode = 1; /* 0=eeprom bus, 1=frontend bus */ | |
141 | uint8_t gen_mode = 0; /* 0=master i2c, 1=gpio i2c */ | |
142 | uint8_t en_start = 0; | |
143 | uint8_t en_stop = 0; | |
144 | uint8_t buf[255]; /* TBV: malloc ? */ | |
145 | int result, i; | |
146 | ||
147 | /* Ensure nobody else hits the i2c bus while we're sending our | |
148 | sequence of messages, (such as the remote control thread) */ | |
149 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
150 | return -EAGAIN; | |
151 | ||
152 | for (i = 0; i < num; i++) { | |
153 | if (i == 0) { | |
154 | /* First message in the transaction */ | |
155 | en_start = 1; | |
156 | } else if (!(msg[i].flags & I2C_M_NOSTART)) { | |
157 | /* Device supports repeated-start */ | |
158 | en_start = 1; | |
159 | } else { | |
160 | /* Not the first packet and device doesn't support | |
161 | repeated start */ | |
162 | en_start = 0; | |
163 | } | |
164 | if (i == (num - 1)) { | |
165 | /* Last message in the transaction */ | |
166 | en_stop = 1; | |
167 | } | |
168 | ||
169 | if (msg[i].flags & I2C_M_RD) { | |
170 | /* Read request */ | |
171 | u16 index, value; | |
172 | uint8_t i2c_dest; | |
173 | ||
174 | i2c_dest = (msg[i].addr << 1); | |
175 | value = ((en_start << 7) | (en_stop << 6) | | |
176 | (msg[i].len & 0x3F)) << 8 | i2c_dest; | |
177 | /* I2C ctrl + FE bus; */ | |
230b27cd DM |
178 | index = ((gen_mode << 6) & 0xC0) | |
179 | ((bus_mode << 4) & 0x30); | |
bdc203e1 DH |
180 | |
181 | result = usb_control_msg(d->udev, | |
182 | usb_rcvctrlpipe(d->udev, 0), | |
183 | REQUEST_NEW_I2C_READ, | |
184 | USB_TYPE_VENDOR | USB_DIR_IN, | |
185 | value, index, msg[i].buf, | |
186 | msg[i].len, | |
187 | USB_CTRL_GET_TIMEOUT); | |
188 | if (result < 0) { | |
189 | err("i2c read error (status = %d)\n", result); | |
190 | break; | |
191 | } | |
d2514991 MK |
192 | |
193 | deb_data("<<< "); | |
194 | debug_dump(msg[i].buf, msg[i].len, deb_data); | |
195 | ||
bdc203e1 DH |
196 | } else { |
197 | /* Write request */ | |
198 | buf[0] = REQUEST_NEW_I2C_WRITE; | |
230b27cd | 199 | buf[1] = msg[i].addr << 1; |
bdc203e1 DH |
200 | buf[2] = (en_start << 7) | (en_stop << 6) | |
201 | (msg[i].len & 0x3F); | |
202 | /* I2C ctrl + FE bus; */ | |
230b27cd DM |
203 | buf[3] = ((gen_mode << 6) & 0xC0) | |
204 | ((bus_mode << 4) & 0x30); | |
bdc203e1 DH |
205 | /* The Actual i2c payload */ |
206 | memcpy(&buf[4], msg[i].buf, msg[i].len); | |
207 | ||
d2514991 MK |
208 | deb_data(">>> "); |
209 | debug_dump(buf, msg[i].len + 4, deb_data); | |
210 | ||
bdc203e1 DH |
211 | result = usb_control_msg(d->udev, |
212 | usb_sndctrlpipe(d->udev, 0), | |
213 | REQUEST_NEW_I2C_WRITE, | |
214 | USB_TYPE_VENDOR | USB_DIR_OUT, | |
215 | 0, 0, buf, msg[i].len + 4, | |
216 | USB_CTRL_GET_TIMEOUT); | |
217 | if (result < 0) { | |
218 | err("i2c write error (status = %d)\n", result); | |
219 | break; | |
220 | } | |
221 | } | |
222 | } | |
223 | mutex_unlock(&d->i2c_mutex); | |
224 | return i; | |
225 | } | |
226 | ||
227 | /* | |
228 | * I2C master xfer function (pre-1.20 firmware) | |
229 | */ | |
230 | static int dib0700_i2c_xfer_legacy(struct i2c_adapter *adap, | |
231 | struct i2c_msg *msg, int num) | |
b7f54910 PB |
232 | { |
233 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
234 | int i,len; | |
235 | u8 buf[255]; | |
236 | ||
237 | if (mutex_lock_interruptible(&d->i2c_mutex) < 0) | |
238 | return -EAGAIN; | |
239 | ||
240 | for (i = 0; i < num; i++) { | |
241 | /* fill in the address */ | |
230b27cd | 242 | buf[1] = msg[i].addr << 1; |
b7f54910 PB |
243 | /* fill the buffer */ |
244 | memcpy(&buf[2], msg[i].buf, msg[i].len); | |
245 | ||
246 | /* write/read request */ | |
247 | if (i+1 < num && (msg[i+1].flags & I2C_M_RD)) { | |
248 | buf[0] = REQUEST_I2C_READ; | |
249 | buf[1] |= 1; | |
250 | ||
251 | /* special thing in the current firmware: when length is zero the read-failed */ | |
303cbeaa | 252 | if ((len = dib0700_ctrl_rd(d, buf, msg[i].len + 2, msg[i+1].buf, msg[i+1].len)) <= 0) { |
8db12cdf DH |
253 | deb_info("I2C read failed on address 0x%02x\n", |
254 | msg[i].addr); | |
b7f54910 | 255 | break; |
303cbeaa | 256 | } |
b7f54910 PB |
257 | |
258 | msg[i+1].len = len; | |
259 | ||
260 | i++; | |
261 | } else { | |
262 | buf[0] = REQUEST_I2C_WRITE; | |
263 | if (dib0700_ctrl_wr(d, buf, msg[i].len + 2) < 0) | |
264 | break; | |
265 | } | |
266 | } | |
267 | ||
268 | mutex_unlock(&d->i2c_mutex); | |
269 | return i; | |
270 | } | |
271 | ||
bdc203e1 DH |
272 | static int dib0700_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msg, |
273 | int num) | |
274 | { | |
275 | struct dvb_usb_device *d = i2c_get_adapdata(adap); | |
276 | struct dib0700_state *st = d->priv; | |
277 | ||
278 | if (st->fw_use_new_i2c_api == 1) { | |
279 | /* User running at least fw 1.20 */ | |
280 | return dib0700_i2c_xfer_new(adap, msg, num); | |
281 | } else { | |
282 | /* Use legacy calls */ | |
283 | return dib0700_i2c_xfer_legacy(adap, msg, num); | |
284 | } | |
285 | } | |
286 | ||
b7f54910 PB |
287 | static u32 dib0700_i2c_func(struct i2c_adapter *adapter) |
288 | { | |
289 | return I2C_FUNC_I2C; | |
290 | } | |
291 | ||
292 | struct i2c_algorithm dib0700_i2c_algo = { | |
293 | .master_xfer = dib0700_i2c_xfer, | |
294 | .functionality = dib0700_i2c_func, | |
295 | }; | |
296 | ||
6958effe PB |
297 | int dib0700_identify_state(struct usb_device *udev, struct dvb_usb_device_properties *props, |
298 | struct dvb_usb_device_description **desc, int *cold) | |
299 | { | |
a75763ff PB |
300 | u8 b[16]; |
301 | s16 ret = usb_control_msg(udev, usb_rcvctrlpipe(udev,0), | |
302 | REQUEST_GET_VERSION, USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, b, 16, USB_CTRL_GET_TIMEOUT); | |
303 | ||
304 | deb_info("FW GET_VERSION length: %d\n",ret); | |
305 | ||
306 | *cold = ret <= 0; | |
6958effe PB |
307 | |
308 | deb_info("cold: %d\n", *cold); | |
6958effe PB |
309 | return 0; |
310 | } | |
311 | ||
a75763ff PB |
312 | static int dib0700_set_clock(struct dvb_usb_device *d, u8 en_pll, |
313 | u8 pll_src, u8 pll_range, u8 clock_gpio3, u16 pll_prediv, | |
314 | u16 pll_loopdiv, u16 free_div, u16 dsuScaler) | |
315 | { | |
316 | u8 b[10]; | |
317 | b[0] = REQUEST_SET_CLOCK; | |
318 | b[1] = (en_pll << 7) | (pll_src << 6) | (pll_range << 5) | (clock_gpio3 << 4); | |
319 | b[2] = (pll_prediv >> 8) & 0xff; // MSB | |
320 | b[3] = pll_prediv & 0xff; // LSB | |
321 | b[4] = (pll_loopdiv >> 8) & 0xff; // MSB | |
322 | b[5] = pll_loopdiv & 0xff; // LSB | |
323 | b[6] = (free_div >> 8) & 0xff; // MSB | |
324 | b[7] = free_div & 0xff; // LSB | |
325 | b[8] = (dsuScaler >> 8) & 0xff; // MSB | |
326 | b[9] = dsuScaler & 0xff; // LSB | |
327 | ||
328 | return dib0700_ctrl_wr(d, b, 10); | |
329 | } | |
330 | ||
7757ddda OG |
331 | int dib0700_set_i2c_speed(struct dvb_usb_device *d, u16 scl_kHz) |
332 | { | |
333 | u16 divider; | |
334 | u8 b[8]; | |
335 | ||
336 | if (scl_kHz == 0) | |
337 | return -EINVAL; | |
338 | ||
339 | b[0] = REQUEST_SET_I2C_PARAM; | |
340 | divider = (u16) (30000 / scl_kHz); | |
341 | b[2] = (u8) (divider >> 8); | |
342 | b[3] = (u8) (divider & 0xff); | |
343 | divider = (u16) (72000 / scl_kHz); | |
344 | b[4] = (u8) (divider >> 8); | |
345 | b[5] = (u8) (divider & 0xff); | |
346 | divider = (u16) (72000 / scl_kHz); /* clock: 72MHz */ | |
347 | b[6] = (u8) (divider >> 8); | |
348 | b[7] = (u8) (divider & 0xff); | |
349 | ||
350 | deb_info("setting I2C speed: %04x %04x %04x (%d kHz).", (b[2] << 8) | (b[3]), (b[4] << 8) | b[5], (b[6] << 8) | b[7], scl_kHz); | |
351 | return dib0700_ctrl_wr(d, b, 8); | |
352 | } | |
353 | ||
354 | ||
a75763ff PB |
355 | int dib0700_ctrl_clock(struct dvb_usb_device *d, u32 clk_MHz, u8 clock_out_gp3) |
356 | { | |
357 | switch (clk_MHz) { | |
358 | case 72: dib0700_set_clock(d, 1, 0, 1, clock_out_gp3, 2, 24, 0, 0x4c); break; | |
359 | default: return -EINVAL; | |
360 | } | |
361 | return 0; | |
362 | } | |
363 | ||
b7f54910 PB |
364 | static int dib0700_jumpram(struct usb_device *udev, u32 address) |
365 | { | |
366 | int ret, actlen; | |
367 | u8 buf[8] = { REQUEST_JUMPRAM, 0, 0, 0, | |
368 | (address >> 24) & 0xff, | |
369 | (address >> 16) & 0xff, | |
370 | (address >> 8) & 0xff, | |
371 | address & 0xff }; | |
372 | ||
373 | if ((ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 0x01),buf,8,&actlen,1000)) < 0) { | |
374 | deb_fw("jumpram to 0x%x failed\n",address); | |
375 | return ret; | |
376 | } | |
377 | if (actlen != 8) { | |
378 | deb_fw("jumpram to 0x%x failed\n",address); | |
379 | return -EIO; | |
380 | } | |
381 | return 0; | |
382 | } | |
383 | ||
384 | int dib0700_download_firmware(struct usb_device *udev, const struct firmware *fw) | |
385 | { | |
386 | struct hexline hx; | |
acc5c9ee OG |
387 | int pos = 0, ret, act_len, i, adap_num; |
388 | u8 b[16]; | |
389 | u32 fw_version; | |
b7f54910 PB |
390 | |
391 | u8 buf[260]; | |
392 | ||
393 | while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { | |
230b27cd DM |
394 | deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", |
395 | hx.addr, hx.len, hx.chk); | |
b7f54910 PB |
396 | |
397 | buf[0] = hx.len; | |
5bc63607 PB |
398 | buf[1] = (hx.addr >> 8) & 0xff; |
399 | buf[2] = hx.addr & 0xff; | |
b7f54910 PB |
400 | buf[3] = hx.type; |
401 | memcpy(&buf[4],hx.data,hx.len); | |
402 | buf[4+hx.len] = hx.chk; | |
403 | ||
404 | ret = usb_bulk_msg(udev, | |
405 | usb_sndbulkpipe(udev, 0x01), | |
406 | buf, | |
407 | hx.len + 5, | |
408 | &act_len, | |
409 | 1000); | |
410 | ||
411 | if (ret < 0) { | |
412 | err("firmware download failed at %d with %d",pos,ret); | |
413 | return ret; | |
414 | } | |
415 | } | |
416 | ||
417 | if (ret == 0) { | |
418 | /* start the firmware */ | |
6958effe | 419 | if ((ret = dib0700_jumpram(udev, 0x70000000)) == 0) { |
b7f54910 | 420 | info("firmware started successfully."); |
a75763ff | 421 | msleep(500); |
6958effe | 422 | } |
b7f54910 PB |
423 | } else |
424 | ret = -EIO; | |
425 | ||
acc5c9ee OG |
426 | /* the number of ts packet has to be at least 1 */ |
427 | if (nb_packet_buffer_size < 1) | |
428 | nb_packet_buffer_size = 1; | |
429 | ||
430 | /* get the fimware version */ | |
431 | usb_control_msg(udev, usb_rcvctrlpipe(udev, 0), | |
432 | REQUEST_GET_VERSION, | |
433 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
434 | b, sizeof(b), USB_CTRL_GET_TIMEOUT); | |
230b27cd | 435 | fw_version = (b[8] << 24) | (b[9] << 16) | (b[10] << 8) | b[11]; |
acc5c9ee OG |
436 | |
437 | /* set the buffer size - DVB-USB is allocating URB buffers | |
438 | * only after the firwmare download was successful */ | |
439 | for (i = 0; i < dib0700_device_count; i++) { | |
440 | for (adap_num = 0; adap_num < dib0700_devices[i].num_adapters; | |
441 | adap_num++) { | |
230b27cd | 442 | if (fw_version >= 0x10201) { |
acc5c9ee | 443 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 188*nb_packet_buffer_size; |
230b27cd | 444 | } else { |
acc5c9ee OG |
445 | /* for fw version older than 1.20.1, |
446 | * the buffersize has to be n times 512 */ | |
447 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = ((188*nb_packet_buffer_size+188/2)/512)*512; | |
448 | if (dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize < 512) | |
449 | dib0700_devices[i].adapter[adap_num].stream.u.bulk.buffersize = 512; | |
450 | } | |
451 | } | |
452 | } | |
453 | ||
b7f54910 PB |
454 | return ret; |
455 | } | |
456 | ||
457 | int dib0700_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff) | |
458 | { | |
459 | struct dib0700_state *st = adap->dev->priv; | |
460 | u8 b[4]; | |
acc5c9ee OG |
461 | int ret; |
462 | ||
463 | if ((onoff != 0) && (st->fw_version >= 0x10201)) { | |
464 | /* for firmware later than 1.20.1, | |
465 | * the USB xfer length can be set */ | |
466 | ret = dib0700_set_usb_xfer_len(adap->dev, | |
467 | st->nb_packet_buffer_size); | |
468 | if (ret < 0) { | |
469 | deb_info("can not set the USB xfer len\n"); | |
470 | return ret; | |
471 | } | |
472 | } | |
b7f54910 PB |
473 | |
474 | b[0] = REQUEST_ENABLE_VIDEO; | |
a162abb0 | 475 | b[1] = (onoff << 4) | 0x00; /* this bit gives a kind of command, rather than enabling something or not */ |
cb22cb52 DH |
476 | |
477 | if (st->disable_streaming_master_mode == 1) | |
478 | b[2] = 0x00; | |
479 | else | |
230b27cd | 480 | b[2] = 0x01 << 4; /* Master mode */ |
cb22cb52 | 481 | |
b7f54910 PB |
482 | b[3] = 0x00; |
483 | ||
484 | deb_info("modifying (%d) streaming state for %d\n", onoff, adap->id); | |
485 | ||
7757ddda OG |
486 | st->channel_state &= ~0x3; |
487 | if ((adap->stream.props.endpoint != 2) && (adap->stream.props.endpoint != 3)) { | |
488 | deb_info("the endpoint number (%i) is not correct, use the adapter id instead", adap->stream.props.endpoint); | |
489 | if (onoff) | |
490 | st->channel_state |= 1 << (adap->id); | |
491 | else | |
492 | st->channel_state |= 1 << ~(adap->id); | |
493 | } | |
494 | else { | |
495 | if (onoff) | |
496 | st->channel_state |= 1 << (adap->stream.props.endpoint-2); | |
497 | else | |
498 | st->channel_state |= 1 << (3-adap->stream.props.endpoint); | |
499 | } | |
b7f54910 PB |
500 | |
501 | b[2] |= st->channel_state; | |
502 | ||
230b27cd | 503 | deb_info("data for streaming: %x %x\n", b[1], b[2]); |
b7f54910 PB |
504 | |
505 | return dib0700_ctrl_wr(adap->dev, b, 4); | |
506 | } | |
507 | ||
52b66144 | 508 | int dib0700_change_protocol(struct rc_dev *rc, u64 rc_type) |
0ffd1ab3 | 509 | { |
d8b4b582 | 510 | struct dvb_usb_device *d = rc->priv; |
0ffd1ab3 MCC |
511 | struct dib0700_state *st = d->priv; |
512 | u8 rc_setup[3] = { REQUEST_SET_RC, 0, 0 }; | |
513 | int new_proto, ret; | |
514 | ||
515 | /* Set the IR mode */ | |
52b66144 | 516 | if (rc_type == RC_TYPE_RC5) |
0ffd1ab3 | 517 | new_proto = 1; |
52b66144 | 518 | else if (rc_type == RC_TYPE_NEC) |
0ffd1ab3 | 519 | new_proto = 0; |
52b66144 | 520 | else if (rc_type == RC_TYPE_RC6) { |
0ffd1ab3 MCC |
521 | if (st->fw_version < 0x10200) |
522 | return -EINVAL; | |
523 | ||
524 | new_proto = 2; | |
525 | } else | |
526 | return -EINVAL; | |
527 | ||
528 | rc_setup[1] = new_proto; | |
529 | ||
530 | ret = dib0700_ctrl_wr(d, rc_setup, sizeof(rc_setup)); | |
531 | if (ret < 0) { | |
532 | err("ir protocol setup failed"); | |
533 | return ret; | |
534 | } | |
535 | ||
52b66144 | 536 | d->props.rc.core.protocol = rc_type; |
0ffd1ab3 MCC |
537 | |
538 | return ret; | |
539 | } | |
540 | ||
6a207100 DH |
541 | /* Number of keypresses to ignore before start repeating */ |
542 | #define RC_REPEAT_DELAY_V1_20 10 | |
543 | ||
544 | /* This is the structure of the RC response packet starting in firmware 1.20 */ | |
545 | struct dib0700_rc_response { | |
546 | u8 report_id; | |
547 | u8 data_state; | |
d3c501d1 MCC |
548 | union { |
549 | u16 system16; | |
550 | struct { | |
d3c501d1 | 551 | u8 not_system; |
59aa3460 | 552 | u8 system; |
d3c501d1 MCC |
553 | }; |
554 | }; | |
6a207100 DH |
555 | u8 data; |
556 | u8 not_data; | |
557 | }; | |
558 | #define RC_MSG_SIZE_V1_20 6 | |
559 | ||
560 | static void dib0700_rc_urb_completion(struct urb *purb) | |
561 | { | |
562 | struct dvb_usb_device *d = purb->context; | |
6a207100 | 563 | struct dib0700_state *st; |
d3c501d1 MCC |
564 | struct dib0700_rc_response *poll_reply; |
565 | u32 uninitialized_var(keycode); | |
72b39310 | 566 | u8 toggle; |
6a207100 DH |
567 | |
568 | deb_info("%s()\n", __func__); | |
569 | if (d == NULL) | |
570 | return; | |
571 | ||
d8b4b582 | 572 | if (d->rc_dev == NULL) { |
6a207100 DH |
573 | /* This will occur if disable_rc_polling=1 */ |
574 | usb_free_urb(purb); | |
575 | return; | |
576 | } | |
577 | ||
6a207100 | 578 | st = d->priv; |
d3c501d1 | 579 | poll_reply = purb->transfer_buffer; |
6a207100 DH |
580 | |
581 | if (purb->status < 0) { | |
582 | deb_info("discontinuing polling\n"); | |
583 | usb_free_urb(purb); | |
584 | return; | |
585 | } | |
586 | ||
587 | if (purb->actual_length != RC_MSG_SIZE_V1_20) { | |
588 | deb_info("malformed rc msg size=%d\n", purb->actual_length); | |
589 | goto resubmit; | |
590 | } | |
591 | ||
d3c501d1 MCC |
592 | deb_data("IR ID = %02X state = %02X System = %02X %02X Cmd = %02X %02X (len %d)\n", |
593 | poll_reply->report_id, poll_reply->data_state, | |
594 | poll_reply->system, poll_reply->not_system, | |
595 | poll_reply->data, poll_reply->not_data, | |
596 | purb->actual_length); | |
6a207100 | 597 | |
0ffd1ab3 | 598 | switch (d->props.rc.core.protocol) { |
52b66144 | 599 | case RC_TYPE_NEC: |
72b39310 | 600 | toggle = 0; |
6a207100 DH |
601 | |
602 | /* NEC protocol sends repeat code as 0 0 0 FF */ | |
d3c501d1 MCC |
603 | if ((poll_reply->system == 0x00) && (poll_reply->data == 0x00) |
604 | && (poll_reply->not_data == 0xff)) { | |
605 | poll_reply->data_state = 2; | |
6a207100 DH |
606 | break; |
607 | } | |
72b39310 | 608 | |
d3c501d1 MCC |
609 | if ((poll_reply->system ^ poll_reply->not_system) != 0xff) { |
610 | deb_data("NEC extended protocol\n"); | |
611 | /* NEC extended code - 24 bits */ | |
59aa3460 | 612 | keycode = be16_to_cpu(poll_reply->system16) << 8 | poll_reply->data; |
d3c501d1 MCC |
613 | } else { |
614 | deb_data("NEC normal protocol\n"); | |
615 | /* normal NEC code - 16 bits */ | |
616 | keycode = poll_reply->system << 8 | poll_reply->data; | |
617 | } | |
618 | ||
6a207100 DH |
619 | break; |
620 | default: | |
d3c501d1 | 621 | deb_data("RC5 protocol\n"); |
6a207100 | 622 | /* RC5 Protocol */ |
d3c501d1 | 623 | toggle = poll_reply->report_id; |
59aa3460 | 624 | keycode = poll_reply->system << 8 | poll_reply->data; |
72b39310 | 625 | |
6a207100 DH |
626 | break; |
627 | } | |
628 | ||
d3c501d1 | 629 | if ((poll_reply->data + poll_reply->not_data) != 0xff) { |
6a207100 DH |
630 | /* Key failed integrity check */ |
631 | err("key failed integrity check: %04x %02x %02x", | |
d3c501d1 MCC |
632 | poll_reply->system, |
633 | poll_reply->data, poll_reply->not_data); | |
6a207100 DH |
634 | goto resubmit; |
635 | } | |
636 | ||
ca86674b | 637 | rc_keydown(d->rc_dev, keycode, toggle); |
6a207100 DH |
638 | |
639 | resubmit: | |
640 | /* Clean the buffer before we requeue */ | |
641 | memset(purb->transfer_buffer, 0, RC_MSG_SIZE_V1_20); | |
642 | ||
643 | /* Requeue URB */ | |
644 | usb_submit_urb(purb, GFP_ATOMIC); | |
645 | } | |
646 | ||
58e6f95e | 647 | int dib0700_rc_setup(struct dvb_usb_device *d) |
89f4267d | 648 | { |
6a207100 | 649 | struct dib0700_state *st = d->priv; |
6a207100 DH |
650 | struct urb *purb; |
651 | int ret; | |
6a207100 | 652 | |
0ffd1ab3 | 653 | /* Poll-based. Don't initialize bulk mode */ |
6a207100 DH |
654 | if (st->fw_version < 0x10200) |
655 | return 0; | |
656 | ||
657 | /* Starting in firmware 1.20, the RC info is provided on a bulk pipe */ | |
658 | purb = usb_alloc_urb(0, GFP_KERNEL); | |
659 | if (purb == NULL) { | |
660 | err("rc usb alloc urb failed\n"); | |
8871c85d | 661 | return -ENOMEM; |
6a207100 DH |
662 | } |
663 | ||
664 | purb->transfer_buffer = kzalloc(RC_MSG_SIZE_V1_20, GFP_KERNEL); | |
665 | if (purb->transfer_buffer == NULL) { | |
666 | err("rc kzalloc failed\n"); | |
667 | usb_free_urb(purb); | |
8871c85d | 668 | return -ENOMEM; |
6a207100 DH |
669 | } |
670 | ||
671 | purb->status = -EINPROGRESS; | |
672 | usb_fill_bulk_urb(purb, d->udev, usb_rcvbulkpipe(d->udev, 1), | |
673 | purb->transfer_buffer, RC_MSG_SIZE_V1_20, | |
674 | dib0700_rc_urb_completion, d); | |
675 | ||
676 | ret = usb_submit_urb(purb, GFP_ATOMIC); | |
8871c85d | 677 | if (ret) |
6a207100 | 678 | err("rc submit urb failed\n"); |
6a207100 | 679 | |
8871c85d | 680 | return ret; |
89f4267d JG |
681 | } |
682 | ||
b7f54910 PB |
683 | static int dib0700_probe(struct usb_interface *intf, |
684 | const struct usb_device_id *id) | |
685 | { | |
686 | int i; | |
89f4267d | 687 | struct dvb_usb_device *dev; |
b7f54910 PB |
688 | |
689 | for (i = 0; i < dib0700_device_count; i++) | |
78e92006 | 690 | if (dvb_usb_device_init(intf, &dib0700_devices[i], THIS_MODULE, |
acc5c9ee OG |
691 | &dev, adapter_nr) == 0) { |
692 | struct dib0700_state *st = dev->priv; | |
693 | u32 hwversion, romversion, fw_version, fwtype; | |
694 | ||
695 | dib0700_get_version(dev, &hwversion, &romversion, | |
696 | &fw_version, &fwtype); | |
697 | ||
698 | deb_info("Firmware version: %x, %d, 0x%x, %d\n", | |
699 | hwversion, romversion, fw_version, fwtype); | |
700 | ||
701 | st->fw_version = fw_version; | |
702 | st->nb_packet_buffer_size = (u32)nb_packet_buffer_size; | |
703 | ||
72b39310 MCC |
704 | /* Disable polling mode on newer firmwares */ |
705 | if (st->fw_version >= 0x10200) | |
706 | dev->props.rc.core.bulk_mode = true; | |
707 | else | |
708 | dev->props.rc.core.bulk_mode = false; | |
709 | ||
89f4267d | 710 | dib0700_rc_setup(dev); |
acc5c9ee | 711 | |
b7f54910 | 712 | return 0; |
89f4267d | 713 | } |
b7f54910 PB |
714 | |
715 | return -ENODEV; | |
716 | } | |
717 | ||
718 | static struct usb_driver dib0700_driver = { | |
719 | .name = "dvb_usb_dib0700", | |
720 | .probe = dib0700_probe, | |
721 | .disconnect = dvb_usb_device_exit, | |
722 | .id_table = dib0700_usb_id_table, | |
723 | }; | |
724 | ||
725 | /* module stuff */ | |
726 | static int __init dib0700_module_init(void) | |
727 | { | |
728 | int result; | |
729 | info("loaded with support for %d different device-types", dib0700_device_count); | |
730 | if ((result = usb_register(&dib0700_driver))) { | |
731 | err("usb_register failed. Error number %d",result); | |
732 | return result; | |
733 | } | |
734 | ||
735 | return 0; | |
736 | } | |
737 | ||
738 | static void __exit dib0700_module_exit(void) | |
739 | { | |
740 | /* deregister this driver from the USB subsystem */ | |
741 | usb_deregister(&dib0700_driver); | |
742 | } | |
743 | ||
744 | module_init (dib0700_module_init); | |
745 | module_exit (dib0700_module_exit); | |
746 | ||
747 | MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>"); | |
748 | MODULE_DESCRIPTION("Driver for devices based on DiBcom DiB0700 - USB bridge"); | |
749 | MODULE_VERSION("1.0"); | |
750 | MODULE_LICENSE("GPL"); |