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443c1228 ST |
1 | /* |
2 | * Driver for the NXP SAA7164 PCIe bridge | |
3 | * | |
4 | * Copyright (c) 2009 Steven Toth <stoth@kernellabs.com> | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify | |
7 | * it under the terms of the GNU General Public License as published by | |
8 | * the Free Software Foundation; either version 2 of the License, or | |
9 | * (at your option) any later version. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | */ | |
21 | ||
22 | #include <linux/wait.h> | |
23 | ||
24 | #include "saa7164.h" | |
25 | ||
26 | int saa7164_api_transition_port(struct saa7164_tsport *port, u8 mode) | |
27 | { | |
28 | int ret; | |
29 | ||
30 | ret = saa7164_cmd_send(port->dev, port->hwcfg.unitid, SET_CUR, | |
31 | SAA_STATE_CONTROL, sizeof(mode), &mode); | |
32 | if (ret != SAA_OK) | |
33 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); | |
34 | ||
35 | return ret; | |
36 | } | |
37 | ||
38 | int saa7164_api_get_fw_version(struct saa7164_dev *dev, u32 *version) | |
39 | { | |
40 | int ret; | |
41 | ||
42 | ret = saa7164_cmd_send(dev, 0, GET_CUR, | |
43 | GET_FW_VERSION_CONTROL, sizeof(u32), version); | |
44 | if (ret != SAA_OK) | |
45 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); | |
46 | ||
47 | return ret; | |
48 | } | |
49 | ||
50 | int saa7164_api_read_eeprom(struct saa7164_dev *dev, u8 *buf, int buflen) | |
51 | { | |
52 | u8 reg[] = { 0x0f, 0x00 }; | |
53 | ||
54 | if (buflen < 128) | |
55 | return -ENOMEM; | |
56 | ||
57 | /* Assumption: Hauppauge eeprom is at 0xa0 on on bus 0 */ | |
58 | /* TODO: Pull the details from the boards struct */ | |
59 | return saa7164_api_i2c_read(&dev->i2c_bus[0], 0xa0 >> 1, sizeof(reg), | |
60 | ®[0], 128, buf); | |
61 | } | |
62 | ||
443c1228 ST |
63 | |
64 | int saa7164_api_configure_port_mpeg2ts(struct saa7164_dev *dev, | |
65 | struct saa7164_tsport *port, | |
66 | tmComResTSFormatDescrHeader_t *tsfmt) | |
67 | { | |
68 | dprintk(DBGLVL_API, " bFormatIndex = 0x%x\n", tsfmt->bFormatIndex); | |
69 | dprintk(DBGLVL_API, " bDataOffset = 0x%x\n", tsfmt->bDataOffset); | |
70 | dprintk(DBGLVL_API, " bPacketLength= 0x%x\n", tsfmt->bPacketLength); | |
71 | dprintk(DBGLVL_API, " bStrideLength= 0x%x\n", tsfmt->bStrideLength); | |
72 | dprintk(DBGLVL_API, " bguid = (....)\n"); | |
73 | ||
74 | /* Cache the hardware configuration in the port */ | |
75 | ||
76 | port->bufcounter = port->hwcfg.BARLocation; | |
77 | port->pitch = port->hwcfg.BARLocation + (2 * sizeof(u32)); | |
78 | port->bufsize = port->hwcfg.BARLocation + (3 * sizeof(u32)); | |
79 | port->bufoffset = port->hwcfg.BARLocation + (4 * sizeof(u32)); | |
80 | port->bufptr32l = port->hwcfg.BARLocation + | |
81 | (4 * sizeof(u32)) + | |
82 | (sizeof(u32) * port->hwcfg.buffercount) + sizeof(u32); | |
83 | port->bufptr32h = port->hwcfg.BARLocation + | |
84 | (4 * sizeof(u32)) + | |
85 | (sizeof(u32) * port->hwcfg.buffercount); | |
86 | port->bufptr64 = port->hwcfg.BARLocation + | |
87 | (4 * sizeof(u32)) + | |
88 | (sizeof(u32) * port->hwcfg.buffercount); | |
89 | dprintk(DBGLVL_API, " = port->hwcfg.BARLocation = 0x%x\n", | |
90 | port->hwcfg.BARLocation); | |
91 | ||
92 | dprintk(DBGLVL_API, " = VS_FORMAT_MPEGTS (becomes dev->ts[%d])\n", | |
93 | port->nr); | |
94 | ||
95 | return 0; | |
96 | } | |
97 | ||
98 | int saa7164_api_dump_subdevs(struct saa7164_dev *dev, u8 *buf, int len) | |
99 | { | |
100 | struct saa7164_tsport *port = 0; | |
101 | u32 idx, next_offset; | |
102 | int i; | |
103 | tmComResDescrHeader_t *hdr, *t; | |
104 | tmComResExtDevDescrHeader_t *exthdr; | |
105 | tmComResPathDescrHeader_t *pathhdr; | |
106 | tmComResAntTermDescrHeader_t *anttermhdr; | |
107 | tmComResTunerDescrHeader_t *tunerunithdr; | |
108 | tmComResDMATermDescrHeader_t *vcoutputtermhdr; | |
109 | tmComResTSFormatDescrHeader_t *tsfmt; | |
110 | u32 currpath = 0; | |
111 | ||
112 | dprintk(DBGLVL_API, | |
207b42c4 ST |
113 | "%s(?,?,%d) sizeof(tmComResDescrHeader_t) = %d bytes\n", |
114 | __func__, len, (u32)sizeof(tmComResDescrHeader_t)); | |
443c1228 ST |
115 | |
116 | for (idx = 0; idx < (len - sizeof(tmComResDescrHeader_t)); ) { | |
117 | ||
118 | hdr = (tmComResDescrHeader_t *)(buf + idx); | |
119 | ||
120 | if (hdr->type != CS_INTERFACE) | |
121 | return SAA_ERR_NOT_SUPPORTED; | |
122 | ||
123 | dprintk(DBGLVL_API, "@ 0x%x = \n", idx); | |
124 | switch (hdr->subtype) { | |
125 | case GENERAL_REQUEST: | |
126 | dprintk(DBGLVL_API, " GENERAL_REQUEST\n"); | |
127 | break; | |
128 | case VC_TUNER_PATH: | |
129 | dprintk(DBGLVL_API, " VC_TUNER_PATH\n"); | |
130 | pathhdr = (tmComResPathDescrHeader_t *)(buf + idx); | |
131 | dprintk(DBGLVL_API, " pathid = 0x%x\n", | |
132 | pathhdr->pathid); | |
133 | currpath = pathhdr->pathid; | |
134 | break; | |
135 | case VC_INPUT_TERMINAL: | |
136 | dprintk(DBGLVL_API, " VC_INPUT_TERMINAL\n"); | |
137 | anttermhdr = | |
138 | (tmComResAntTermDescrHeader_t *)(buf + idx); | |
139 | dprintk(DBGLVL_API, " terminalid = 0x%x\n", | |
140 | anttermhdr->terminalid); | |
141 | dprintk(DBGLVL_API, " terminaltype = 0x%x\n", | |
142 | anttermhdr->terminaltype); | |
143 | switch (anttermhdr->terminaltype) { | |
144 | case ITT_ANTENNA: | |
145 | dprintk(DBGLVL_API, " = ITT_ANTENNA\n"); | |
146 | break; | |
147 | case LINE_CONNECTOR: | |
148 | dprintk(DBGLVL_API, " = LINE_CONNECTOR\n"); | |
149 | break; | |
150 | case SPDIF_CONNECTOR: | |
151 | dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n"); | |
152 | break; | |
153 | case COMPOSITE_CONNECTOR: | |
154 | dprintk(DBGLVL_API, | |
155 | " = COMPOSITE_CONNECTOR\n"); | |
156 | break; | |
157 | case SVIDEO_CONNECTOR: | |
158 | dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n"); | |
159 | break; | |
160 | case COMPONENT_CONNECTOR: | |
161 | dprintk(DBGLVL_API, | |
162 | " = COMPONENT_CONNECTOR\n"); | |
163 | break; | |
164 | case STANDARD_DMA: | |
165 | dprintk(DBGLVL_API, " = STANDARD_DMA\n"); | |
166 | break; | |
167 | default: | |
168 | dprintk(DBGLVL_API, " = undefined (0x%x)\n", | |
169 | anttermhdr->terminaltype); | |
170 | } | |
171 | dprintk(DBGLVL_API, " assocterminal= 0x%x\n", | |
172 | anttermhdr->assocterminal); | |
173 | dprintk(DBGLVL_API, " iterminal = 0x%x\n", | |
174 | anttermhdr->iterminal); | |
175 | dprintk(DBGLVL_API, " controlsize = 0x%x\n", | |
176 | anttermhdr->controlsize); | |
177 | break; | |
178 | case VC_OUTPUT_TERMINAL: | |
179 | dprintk(DBGLVL_API, " VC_OUTPUT_TERMINAL\n"); | |
180 | vcoutputtermhdr = | |
181 | (tmComResDMATermDescrHeader_t *)(buf + idx); | |
182 | dprintk(DBGLVL_API, " unitid = 0x%x\n", | |
183 | vcoutputtermhdr->unitid); | |
184 | dprintk(DBGLVL_API, " terminaltype = 0x%x\n", | |
185 | vcoutputtermhdr->terminaltype); | |
186 | switch (vcoutputtermhdr->terminaltype) { | |
187 | case ITT_ANTENNA: | |
188 | dprintk(DBGLVL_API, " = ITT_ANTENNA\n"); | |
189 | break; | |
190 | case LINE_CONNECTOR: | |
191 | dprintk(DBGLVL_API, " = LINE_CONNECTOR\n"); | |
192 | break; | |
193 | case SPDIF_CONNECTOR: | |
194 | dprintk(DBGLVL_API, " = SPDIF_CONNECTOR\n"); | |
195 | break; | |
196 | case COMPOSITE_CONNECTOR: | |
197 | dprintk(DBGLVL_API, | |
198 | " = COMPOSITE_CONNECTOR\n"); | |
199 | break; | |
200 | case SVIDEO_CONNECTOR: | |
201 | dprintk(DBGLVL_API, " = SVIDEO_CONNECTOR\n"); | |
202 | break; | |
203 | case COMPONENT_CONNECTOR: | |
204 | dprintk(DBGLVL_API, | |
205 | " = COMPONENT_CONNECTOR\n"); | |
206 | break; | |
207 | case STANDARD_DMA: | |
208 | dprintk(DBGLVL_API, " = STANDARD_DMA\n"); | |
209 | break; | |
210 | default: | |
211 | dprintk(DBGLVL_API, " = undefined (0x%x)\n", | |
212 | vcoutputtermhdr->terminaltype); | |
213 | } | |
214 | dprintk(DBGLVL_API, " assocterminal= 0x%x\n", | |
215 | vcoutputtermhdr->assocterminal); | |
216 | dprintk(DBGLVL_API, " sourceid = 0x%x\n", | |
217 | vcoutputtermhdr->sourceid); | |
218 | dprintk(DBGLVL_API, " iterminal = 0x%x\n", | |
219 | vcoutputtermhdr->iterminal); | |
220 | dprintk(DBGLVL_API, " BARLocation = 0x%x\n", | |
221 | vcoutputtermhdr->BARLocation); | |
222 | dprintk(DBGLVL_API, " flags = 0x%x\n", | |
223 | vcoutputtermhdr->flags); | |
224 | dprintk(DBGLVL_API, " interruptid = 0x%x\n", | |
225 | vcoutputtermhdr->interruptid); | |
226 | dprintk(DBGLVL_API, " buffercount = 0x%x\n", | |
227 | vcoutputtermhdr->buffercount); | |
228 | dprintk(DBGLVL_API, " metadatasize = 0x%x\n", | |
229 | vcoutputtermhdr->metadatasize); | |
230 | dprintk(DBGLVL_API, " controlsize = 0x%x\n", | |
231 | vcoutputtermhdr->controlsize); | |
232 | dprintk(DBGLVL_API, " numformats = 0x%x\n", | |
233 | vcoutputtermhdr->numformats); | |
234 | ||
235 | t = (tmComResDescrHeader_t *) | |
236 | ((tmComResDMATermDescrHeader_t *)(buf + idx)); | |
237 | next_offset = idx + (vcoutputtermhdr->len); | |
238 | for (i = 0; i < vcoutputtermhdr->numformats; i++) { | |
239 | t = (tmComResDescrHeader_t *) | |
240 | (buf + next_offset); | |
241 | switch (t->subtype) { | |
242 | case VS_FORMAT_MPEG2TS: | |
243 | tsfmt = | |
244 | (tmComResTSFormatDescrHeader_t *)t; | |
245 | if (currpath == 1) | |
246 | port = &dev->ts1; | |
247 | else | |
248 | port = &dev->ts2; | |
249 | memcpy(&port->hwcfg, vcoutputtermhdr, | |
250 | sizeof(*vcoutputtermhdr)); | |
251 | saa7164_api_configure_port_mpeg2ts(dev, | |
252 | port, tsfmt); | |
253 | break; | |
254 | case VS_FORMAT_MPEG2PS: | |
255 | dprintk(DBGLVL_API, | |
256 | " = VS_FORMAT_MPEG2PS\n"); | |
257 | break; | |
258 | case VS_FORMAT_VBI: | |
259 | dprintk(DBGLVL_API, | |
260 | " = VS_FORMAT_VBI\n"); | |
261 | break; | |
262 | case VS_FORMAT_RDS: | |
263 | dprintk(DBGLVL_API, | |
264 | " = VS_FORMAT_RDS\n"); | |
265 | break; | |
266 | case VS_FORMAT_UNCOMPRESSED: | |
267 | dprintk(DBGLVL_API, | |
268 | " = VS_FORMAT_UNCOMPRESSED\n"); | |
269 | break; | |
270 | case VS_FORMAT_TYPE: | |
271 | dprintk(DBGLVL_API, | |
272 | " = VS_FORMAT_TYPE\n"); | |
273 | break; | |
274 | default: | |
275 | dprintk(DBGLVL_API, | |
276 | " = undefined (0x%x)\n", | |
277 | t->subtype); | |
278 | } | |
279 | next_offset += t->len; | |
280 | } | |
281 | ||
282 | break; | |
283 | case TUNER_UNIT: | |
284 | dprintk(DBGLVL_API, " TUNER_UNIT\n"); | |
285 | tunerunithdr = | |
286 | (tmComResTunerDescrHeader_t *)(buf + idx); | |
287 | dprintk(DBGLVL_API, " unitid = 0x%x\n", | |
288 | tunerunithdr->unitid); | |
289 | dprintk(DBGLVL_API, " sourceid = 0x%x\n", | |
290 | tunerunithdr->sourceid); | |
291 | dprintk(DBGLVL_API, " iunit = 0x%x\n", | |
292 | tunerunithdr->iunit); | |
293 | dprintk(DBGLVL_API, " tuningstandards = 0x%x\n", | |
294 | tunerunithdr->tuningstandards); | |
295 | dprintk(DBGLVL_API, " controlsize = 0x%x\n", | |
296 | tunerunithdr->controlsize); | |
297 | dprintk(DBGLVL_API, " controls = 0x%x\n", | |
298 | tunerunithdr->controls); | |
299 | break; | |
300 | case VC_SELECTOR_UNIT: | |
301 | dprintk(DBGLVL_API, " VC_SELECTOR_UNIT\n"); | |
302 | break; | |
303 | case VC_PROCESSING_UNIT: | |
304 | dprintk(DBGLVL_API, " VC_PROCESSING_UNIT\n"); | |
305 | break; | |
306 | case FEATURE_UNIT: | |
307 | dprintk(DBGLVL_API, " FEATURE_UNIT\n"); | |
308 | break; | |
309 | case ENCODER_UNIT: | |
310 | dprintk(DBGLVL_API, " ENCODER_UNIT\n"); | |
311 | break; | |
312 | case EXTENSION_UNIT: | |
313 | dprintk(DBGLVL_API, " EXTENSION_UNIT\n"); | |
314 | exthdr = (tmComResExtDevDescrHeader_t *)(buf + idx); | |
315 | dprintk(DBGLVL_API, " unitid = 0x%x\n", | |
316 | exthdr->unitid); | |
317 | dprintk(DBGLVL_API, " deviceid = 0x%x\n", | |
318 | exthdr->deviceid); | |
319 | dprintk(DBGLVL_API, " devicetype = 0x%x\n", | |
320 | exthdr->devicetype); | |
321 | if (exthdr->devicetype & 0x1) | |
322 | dprintk(DBGLVL_API, " = Decoder Device\n"); | |
323 | if (exthdr->devicetype & 0x2) | |
324 | dprintk(DBGLVL_API, " = GPIO Source\n"); | |
325 | if (exthdr->devicetype & 0x4) | |
326 | dprintk(DBGLVL_API, " = Video Decoder\n"); | |
327 | if (exthdr->devicetype & 0x8) | |
328 | dprintk(DBGLVL_API, " = Audio Decoder\n"); | |
329 | if (exthdr->devicetype & 0x20) | |
330 | dprintk(DBGLVL_API, " = Crossbar\n"); | |
331 | if (exthdr->devicetype & 0x40) | |
332 | dprintk(DBGLVL_API, " = Tuner\n"); | |
333 | if (exthdr->devicetype & 0x80) | |
334 | dprintk(DBGLVL_API, " = IF PLL\n"); | |
335 | if (exthdr->devicetype & 0x100) | |
336 | dprintk(DBGLVL_API, " = Demodulator\n"); | |
337 | if (exthdr->devicetype & 0x200) | |
338 | dprintk(DBGLVL_API, " = RDS Decoder\n"); | |
339 | if (exthdr->devicetype & 0x400) | |
340 | dprintk(DBGLVL_API, " = Encoder\n"); | |
341 | if (exthdr->devicetype & 0x800) | |
342 | dprintk(DBGLVL_API, " = IR Decoder\n"); | |
343 | if (exthdr->devicetype & 0x1000) | |
344 | dprintk(DBGLVL_API, " = EEPROM\n"); | |
345 | if (exthdr->devicetype & 0x2000) | |
346 | dprintk(DBGLVL_API, | |
347 | " = VBI Decoder\n"); | |
348 | if (exthdr->devicetype & 0x10000) | |
349 | dprintk(DBGLVL_API, | |
350 | " = Streaming Device\n"); | |
351 | if (exthdr->devicetype & 0x20000) | |
352 | dprintk(DBGLVL_API, | |
353 | " = DRM Device\n"); | |
354 | if (exthdr->devicetype & 0x40000000) | |
355 | dprintk(DBGLVL_API, | |
356 | " = Generic Device\n"); | |
357 | if (exthdr->devicetype & 0x80000000) | |
358 | dprintk(DBGLVL_API, | |
359 | " = Config Space Device\n"); | |
360 | dprintk(DBGLVL_API, " numgpiopins = 0x%x\n", | |
361 | exthdr->numgpiopins); | |
362 | dprintk(DBGLVL_API, " numgpiogroups = 0x%x\n", | |
363 | exthdr->numgpiogroups); | |
364 | dprintk(DBGLVL_API, " controlsize = 0x%x\n", | |
365 | exthdr->controlsize); | |
366 | break; | |
367 | case PVC_INFRARED_UNIT: | |
368 | dprintk(DBGLVL_API, " PVC_INFRARED_UNIT\n"); | |
369 | break; | |
370 | case DRM_UNIT: | |
371 | dprintk(DBGLVL_API, " DRM_UNIT\n"); | |
372 | break; | |
373 | default: | |
374 | dprintk(DBGLVL_API, "default %d\n", hdr->subtype); | |
375 | } | |
376 | ||
377 | dprintk(DBGLVL_API, " 1.%x\n", hdr->len); | |
378 | dprintk(DBGLVL_API, " 2.%x\n", hdr->type); | |
379 | dprintk(DBGLVL_API, " 3.%x\n", hdr->subtype); | |
380 | dprintk(DBGLVL_API, " 4.%x\n", hdr->unitid); | |
381 | ||
382 | idx += hdr->len; | |
383 | } | |
384 | ||
385 | return 0; | |
386 | } | |
387 | ||
388 | int saa7164_api_enum_subdevs(struct saa7164_dev *dev) | |
389 | { | |
390 | int ret; | |
391 | u32 buflen = 0; | |
392 | u8 *buf; | |
393 | ||
394 | dprintk(DBGLVL_API, "%s()\n", __func__); | |
395 | ||
396 | /* Get the total descriptor length */ | |
397 | ret = saa7164_cmd_send(dev, 0, GET_LEN, | |
398 | GET_DESCRIPTORS_CONTROL, sizeof(buflen), &buflen); | |
399 | if (ret != SAA_OK) | |
400 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); | |
401 | ||
402 | dprintk(DBGLVL_API, "%s() total descriptor size = %d bytes.\n", | |
403 | __func__, buflen); | |
404 | ||
405 | /* Allocate enough storage for all of the descs */ | |
406 | buf = kzalloc(buflen, GFP_KERNEL); | |
407 | if (buf == NULL) | |
408 | return SAA_ERR_NO_RESOURCES; | |
409 | ||
410 | /* Retrieve them */ | |
411 | ret = saa7164_cmd_send(dev, 0, GET_CUR, | |
412 | GET_DESCRIPTORS_CONTROL, buflen, buf); | |
413 | if (ret != SAA_OK) { | |
414 | printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret); | |
415 | goto out; | |
416 | } | |
417 | ||
b1912a85 | 418 | if (saa_debug & DBGLVL_API) |
443c1228 ST |
419 | saa7164_dumphex16(dev, buf, (buflen/16)*16); |
420 | ||
421 | saa7164_api_dump_subdevs(dev, buf, buflen); | |
422 | ||
423 | out: | |
424 | kfree(buf); | |
425 | return ret; | |
426 | } | |
427 | ||
428 | int saa7164_api_i2c_read(struct saa7164_i2c *bus, u8 addr, u32 reglen, u8 *reg, | |
429 | u32 datalen, u8 *data) | |
430 | { | |
431 | struct saa7164_dev *dev = bus->dev; | |
432 | u16 len = 0; | |
433 | int unitid; | |
434 | u32 regval; | |
435 | u8 buf[256]; | |
436 | int ret; | |
437 | ||
438 | dprintk(DBGLVL_API, "%s()\n", __func__); | |
439 | ||
440 | if (reglen > 4) | |
441 | return -EIO; | |
442 | ||
443 | if (reglen == 1) | |
444 | regval = *(reg); | |
445 | else | |
446 | if (reglen == 2) | |
447 | regval = ((*(reg) << 8) || *(reg+1)); | |
448 | else | |
449 | if (reglen == 3) | |
450 | regval = ((*(reg) << 16) | (*(reg+1) << 8) | *(reg+2)); | |
451 | else | |
452 | if (reglen == 4) | |
453 | regval = ((*(reg) << 24) | (*(reg+1) << 16) | | |
454 | (*(reg+2) << 8) | *(reg+3)); | |
455 | ||
456 | /* Prepare the send buffer */ | |
457 | /* Bytes 00-03 source register length | |
458 | * 04-07 source bytes to read | |
459 | * 08... register address | |
460 | */ | |
461 | memset(buf, 0, sizeof(buf)); | |
462 | memcpy((buf + 2 * sizeof(u32) + 0), reg, reglen); | |
463 | *((u32 *)(buf + 0 * sizeof(u32))) = reglen; | |
464 | *((u32 *)(buf + 1 * sizeof(u32))) = datalen; | |
465 | ||
466 | unitid = saa7164_i2caddr_to_unitid(bus, addr); | |
467 | if (unitid < 0) { | |
468 | printk(KERN_ERR | |
469 | "%s() error, cannot translate regaddr 0x%x to unitid\n", | |
470 | __func__, addr); | |
471 | return -EIO; | |
472 | } | |
473 | ||
474 | ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN, | |
475 | EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len); | |
476 | if (ret != SAA_OK) { | |
477 | printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret); | |
478 | return -EIO; | |
479 | } | |
480 | ||
481 | dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len); | |
482 | ||
b1912a85 | 483 | if (saa_debug & DBGLVL_I2C) |
443c1228 ST |
484 | saa7164_dumphex16(dev, buf, 2 * 16); |
485 | ||
486 | ret = saa7164_cmd_send(bus->dev, unitid, GET_CUR, | |
487 | EXU_REGISTER_ACCESS_CONTROL, len, &buf); | |
488 | if (ret != SAA_OK) | |
489 | printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret); | |
490 | else { | |
b1912a85 | 491 | if (saa_debug & DBGLVL_I2C) |
443c1228 ST |
492 | saa7164_dumphex16(dev, buf, sizeof(buf)); |
493 | memcpy(data, (buf + 2 * sizeof(u32) + reglen), datalen); | |
494 | } | |
495 | ||
496 | return ret == SAA_OK ? 0 : -EIO; | |
497 | } | |
498 | ||
499 | /* For a given 8 bit i2c address device, write the buffer */ | |
500 | int saa7164_api_i2c_write(struct saa7164_i2c *bus, u8 addr, u32 datalen, | |
501 | u8 *data) | |
502 | { | |
503 | struct saa7164_dev *dev = bus->dev; | |
504 | u16 len = 0; | |
505 | int unitid; | |
506 | int reglen; | |
507 | u8 buf[256]; | |
508 | int ret; | |
509 | ||
510 | dprintk(DBGLVL_API, "%s()\n", __func__); | |
511 | ||
512 | if ((datalen == 0) || (datalen > 232)) | |
513 | return -EIO; | |
514 | ||
515 | memset(buf, 0, sizeof(buf)); | |
516 | ||
517 | unitid = saa7164_i2caddr_to_unitid(bus, addr); | |
518 | if (unitid < 0) { | |
519 | printk(KERN_ERR | |
520 | "%s() error, cannot translate regaddr 0x%x to unitid\n", | |
521 | __func__, addr); | |
522 | return -EIO; | |
523 | } | |
524 | ||
525 | reglen = saa7164_i2caddr_to_reglen(bus, addr); | |
526 | if (unitid < 0) { | |
527 | printk(KERN_ERR | |
528 | "%s() error, cannot translate regaddr to reglen\n", | |
529 | __func__); | |
530 | return -EIO; | |
531 | } | |
532 | ||
533 | ret = saa7164_cmd_send(bus->dev, unitid, GET_LEN, | |
534 | EXU_REGISTER_ACCESS_CONTROL, sizeof(len), &len); | |
535 | if (ret != SAA_OK) { | |
536 | printk(KERN_ERR "%s() error, ret(1) = 0x%x\n", __func__, ret); | |
537 | return -EIO; | |
538 | } | |
539 | ||
540 | dprintk(DBGLVL_API, "%s() len = %d bytes\n", __func__, len); | |
541 | ||
542 | /* Prepare the send buffer */ | |
543 | /* Bytes 00-03 dest register length | |
544 | * 04-07 dest bytes to write | |
545 | * 08... register address | |
546 | */ | |
547 | *((u32 *)(buf + 0 * sizeof(u32))) = reglen; | |
548 | *((u32 *)(buf + 1 * sizeof(u32))) = datalen - reglen; | |
549 | memcpy((buf + 2 * sizeof(u32)), data, datalen); | |
550 | ||
b1912a85 | 551 | if (saa_debug & DBGLVL_I2C) |
443c1228 ST |
552 | saa7164_dumphex16(dev, buf, sizeof(buf)); |
553 | ||
554 | ret = saa7164_cmd_send(bus->dev, unitid, SET_CUR, | |
555 | EXU_REGISTER_ACCESS_CONTROL, len, &buf); | |
556 | if (ret != SAA_OK) | |
557 | printk(KERN_ERR "%s() error, ret(2) = 0x%x\n", __func__, ret); | |
558 | ||
559 | return ret == SAA_OK ? 0 : -EIO; | |
560 | } | |
561 | ||
562 | ||
563 | int saa7164_api_modify_gpio(struct saa7164_dev *dev, u8 unitid, | |
564 | u8 pin, u8 state) | |
565 | { | |
566 | int ret; | |
567 | tmComResGPIO_t t; | |
568 | ||
569 | dprintk(DBGLVL_API, "%s(0x%x, %d, %d)\n", | |
570 | __func__, unitid, pin, state); | |
571 | ||
572 | if ((pin > 7) || (state > 2)) | |
573 | return SAA_ERR_BAD_PARAMETER; | |
574 | ||
575 | t.pin = pin; | |
576 | t.state = state; | |
577 | ||
578 | ret = saa7164_cmd_send(dev, unitid, SET_CUR, | |
579 | EXU_GPIO_CONTROL, sizeof(t), &t); | |
580 | if (ret != SAA_OK) | |
581 | printk(KERN_ERR "%s() error, ret = 0x%x\n", | |
582 | __func__, ret); | |
583 | ||
584 | return ret; | |
585 | } | |
586 | ||
587 | int saa7164_api_set_gpiobit(struct saa7164_dev *dev, u8 unitid, | |
588 | u8 pin) | |
589 | { | |
590 | return saa7164_api_modify_gpio(dev, unitid, pin, 1); | |
591 | } | |
592 | ||
593 | int saa7164_api_clear_gpiobit(struct saa7164_dev *dev, u8 unitid, | |
594 | u8 pin) | |
595 | { | |
596 | return saa7164_api_modify_gpio(dev, unitid, pin, 0); | |
597 | } | |
598 | ||
599 | ||
600 |