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[PATCH] release_firmware() fixes
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / media / video / cx88 / cx88-blackbird.c
blobb60177f173c3c1162726ca3da7eaa105781c8043
1 /*
2 *
3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
5 *
6 * (c) 2004 Jelle Foks <jelle@foks.8m.com>
7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
8 *
9 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 */
25
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/init.h>
29 #include <linux/fs.h>
30 #include <linux/delay.h>
31 #include <linux/device.h>
32 #include <linux/firmware.h>
33 #include <media/v4l2-common.h>
34 #include <media/cx2341x.h>
35
36 #include "cx88.h"
37
38 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
39 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
41
42 static unsigned int mpegbufs = 32;
43 module_param(mpegbufs,int,0644);
44 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
45
46 static unsigned int debug = 0;
47 module_param(debug,int,0644);
48 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
49
50 #define dprintk(level,fmt, arg...) if (debug >= level) \
51 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
52
53 static LIST_HEAD(cx8802_devlist);
54
55 /* ------------------------------------------------------------------ */
56
57 #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
58
59 /* defines below are from ivtv-driver.h */
60
61 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
62
63 /* Firmware API commands */
64 #define IVTV_API_STD_TIMEOUT 500
65
66 enum blackbird_capture_type {
67 BLACKBIRD_MPEG_CAPTURE,
68 BLACKBIRD_RAW_CAPTURE,
69 BLACKBIRD_RAW_PASSTHRU_CAPTURE
70 };
71 enum blackbird_capture_bits {
72 BLACKBIRD_RAW_BITS_NONE = 0x00,
73 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
74 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
75 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
76 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
77 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
78 };
79 enum blackbird_capture_end {
80 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
81 BLACKBIRD_END_NOW, /* stop immediately, no irq */
82 };
83 enum blackbird_framerate {
84 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
85 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
86 };
87 enum blackbird_stream_port {
88 BLACKBIRD_OUTPUT_PORT_MEMORY,
89 BLACKBIRD_OUTPUT_PORT_STREAMING,
90 BLACKBIRD_OUTPUT_PORT_SERIAL
91 };
92 enum blackbird_data_xfer_status {
93 BLACKBIRD_MORE_BUFFERS_FOLLOW,
94 BLACKBIRD_LAST_BUFFER,
95 };
96 enum blackbird_picture_mask {
97 BLACKBIRD_PICTURE_MASK_NONE,
98 BLACKBIRD_PICTURE_MASK_I_FRAMES,
99 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
100 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
101 };
102 enum blackbird_vbi_mode_bits {
103 BLACKBIRD_VBI_BITS_SLICED,
104 BLACKBIRD_VBI_BITS_RAW,
105 };
106 enum blackbird_vbi_insertion_bits {
107 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
108 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
109 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
110 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
112 };
113 enum blackbird_dma_unit {
114 BLACKBIRD_DMA_BYTES,
115 BLACKBIRD_DMA_FRAMES,
116 };
117 enum blackbird_dma_transfer_status_bits {
118 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
119 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
120 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
121 };
122 enum blackbird_pause {
123 BLACKBIRD_PAUSE_ENCODING,
124 BLACKBIRD_RESUME_ENCODING,
125 };
126 enum blackbird_copyright {
127 BLACKBIRD_COPYRIGHT_OFF,
128 BLACKBIRD_COPYRIGHT_ON,
129 };
130 enum blackbird_notification_type {
131 BLACKBIRD_NOTIFICATION_REFRESH,
132 };
133 enum blackbird_notification_status {
134 BLACKBIRD_NOTIFICATION_OFF,
135 BLACKBIRD_NOTIFICATION_ON,
136 };
137 enum blackbird_notification_mailbox {
138 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
139 };
140 enum blackbird_field1_lines {
141 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
142 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
143 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
144 };
145 enum blackbird_field2_lines {
146 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
147 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
148 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
149 };
150 enum blackbird_custom_data_type {
151 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
152 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
153 };
154 enum blackbird_mute {
155 BLACKBIRD_UNMUTE,
156 BLACKBIRD_MUTE,
157 };
158 enum blackbird_mute_video_mask {
159 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
160 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
161 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
162 };
163 enum blackbird_mute_video_shift {
164 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
165 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
166 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
167 };
168
169 /* Registers */
170 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
171 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
172 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
176
177 /* ------------------------------------------------------------------ */
178
179 static void host_setup(struct cx88_core *core)
180 {
181 /* toggle reset of the host */
182 cx_write(MO_GPHST_SOFT_RST, 1);
183 udelay(100);
184 cx_write(MO_GPHST_SOFT_RST, 0);
185 udelay(100);
186
187 /* host port setup */
188 cx_write(MO_GPHST_WSC, 0x44444444U);
189 cx_write(MO_GPHST_XFR, 0);
190 cx_write(MO_GPHST_WDTH, 15);
191 cx_write(MO_GPHST_HDSHK, 0);
192 cx_write(MO_GPHST_MUX16, 0x44448888U);
193 cx_write(MO_GPHST_MODE, 0);
194 }
195
196 /* ------------------------------------------------------------------ */
197
198 #define P1_MDATA0 0x390000
199 #define P1_MDATA1 0x390001
200 #define P1_MDATA2 0x390002
201 #define P1_MDATA3 0x390003
202 #define P1_MADDR2 0x390004
203 #define P1_MADDR1 0x390005
204 #define P1_MADDR0 0x390006
205 #define P1_RDATA0 0x390008
206 #define P1_RDATA1 0x390009
207 #define P1_RDATA2 0x39000A
208 #define P1_RDATA3 0x39000B
209 #define P1_RADDR0 0x39000C
210 #define P1_RADDR1 0x39000D
211 #define P1_RRDWR 0x39000E
212
213 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
214 {
215 unsigned long timeout = jiffies + msecs_to_jiffies(1);
216 u32 gpio0,need;
217
218 need = state ? 2 : 0;
219 for (;;) {
220 gpio0 = cx_read(MO_GP0_IO) & 2;
221 if (need == gpio0)
222 return 0;
223 if (time_after(jiffies,timeout))
224 return -1;
225 udelay(1);
226 }
227 }
228
229 static int memory_write(struct cx88_core *core, u32 address, u32 value)
230 {
231 /* Warning: address is dword address (4 bytes) */
232 cx_writeb(P1_MDATA0, (unsigned int)value);
233 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
234 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
235 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
236 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
237 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
238 cx_writeb(P1_MADDR0, (unsigned int)address);
239 cx_read(P1_MDATA0);
240 cx_read(P1_MADDR0);
241
242 return wait_ready_gpio0_bit1(core,1);
243 }
244
245 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
246 {
247 int retval;
248 u32 val;
249
250 /* Warning: address is dword address (4 bytes) */
251 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
252 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
253 cx_writeb(P1_MADDR0, (unsigned int)address);
254 cx_read(P1_MADDR0);
255
256 retval = wait_ready_gpio0_bit1(core,1);
257
258 cx_writeb(P1_MDATA3, 0);
259 val = (unsigned char)cx_read(P1_MDATA3) << 24;
260 cx_writeb(P1_MDATA2, 0);
261 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
262 cx_writeb(P1_MDATA1, 0);
263 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
264 cx_writeb(P1_MDATA0, 0);
265 val |= (unsigned char)cx_read(P1_MDATA0);
266
267 *value = val;
268 return retval;
269 }
270
271 static int register_write(struct cx88_core *core, u32 address, u32 value)
272 {
273 cx_writeb(P1_RDATA0, (unsigned int)value);
274 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
275 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
276 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
277 cx_writeb(P1_RADDR0, (unsigned int)address);
278 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
279 cx_writeb(P1_RRDWR, 1);
280 cx_read(P1_RDATA0);
281 cx_read(P1_RADDR0);
282
283 return wait_ready_gpio0_bit1(core,1);
284 }
285
286
287 static int register_read(struct cx88_core *core, u32 address, u32 *value)
288 {
289 int retval;
290 u32 val;
291
292 cx_writeb(P1_RADDR0, (unsigned int)address);
293 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
294 cx_writeb(P1_RRDWR, 0);
295 cx_read(P1_RADDR0);
296
297 retval = wait_ready_gpio0_bit1(core,1);
298 val = (unsigned char)cx_read(P1_RDATA0);
299 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
300 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
301 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
302
303 *value = val;
304 return retval;
305 }
306
307 /* ------------------------------------------------------------------ */
308
309 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
310 {
311 struct cx8802_dev *dev = priv;
312 unsigned long timeout;
313 u32 value, flag, retval;
314 int i;
315
316 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
317
318 /* this may not be 100% safe if we can't read any memory location
319 without side effects */
320 memory_read(dev->core, dev->mailbox - 4, &value);
321 if (value != 0x12345678) {
322 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
323 return -1;
324 }
325
326 memory_read(dev->core, dev->mailbox, &flag);
327 if (flag) {
328 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
329 return -1;
330 }
331
332 flag |= 1; /* tell 'em we're working on it */
333 memory_write(dev->core, dev->mailbox, flag);
334
335 /* write command + args + fill remaining with zeros */
336 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
337 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
338 for (i = 0; i < in; i++) {
339 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
340 dprintk(1, "API Input %d = %d\n", i, data[i]);
341 }
342 for (; i < CX2341X_MBOX_MAX_DATA; i++)
343 memory_write(dev->core, dev->mailbox + 4 + i, 0);
344
345 flag |= 3; /* tell 'em we're done writing */
346 memory_write(dev->core, dev->mailbox, flag);
347
348 /* wait for firmware to handle the API command */
349 timeout = jiffies + msecs_to_jiffies(10);
350 for (;;) {
351 memory_read(dev->core, dev->mailbox, &flag);
352 if (0 != (flag & 4))
353 break;
354 if (time_after(jiffies,timeout)) {
355 dprintk(0, "ERROR: API Mailbox timeout\n");
356 return -1;
357 }
358 udelay(10);
359 }
360
361 /* read output values */
362 for (i = 0; i < out; i++) {
363 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
364 dprintk(1, "API Output %d = %d\n", i, data[i]);
365 }
366
367 memory_read(dev->core, dev->mailbox + 2, &retval);
368 dprintk(1, "API result = %d\n",retval);
369
370 flag = 0;
371 memory_write(dev->core, dev->mailbox, flag);
372 return retval;
373 }
374 /* ------------------------------------------------------------------ */
375
376 /* We don't need to call the API often, so using just one mailbox will probably suffice */
377 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
378 u32 inputcnt, u32 outputcnt, ...)
379 {
380 u32 data[CX2341X_MBOX_MAX_DATA];
381 va_list vargs;
382 int i, err;
383
384 va_start(vargs, outputcnt);
385
386 for (i = 0; i < inputcnt; i++) {
387 data[i] = va_arg(vargs, int);
388 }
389 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
390 for (i = 0; i < outputcnt; i++) {
391 int *vptr = va_arg(vargs, int *);
392 *vptr = data[i];
393 }
394 va_end(vargs);
395 return err;
396 }
397
398 static int blackbird_find_mailbox(struct cx8802_dev *dev)
399 {
400 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
401 int signaturecnt=0;
402 u32 value;
403 int i;
404
405 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
406 memory_read(dev->core, i, &value);
407 if (value == signature[signaturecnt])
408 signaturecnt++;
409 else
410 signaturecnt = 0;
411 if (4 == signaturecnt) {
412 dprintk(1, "Mailbox signature found\n");
413 return i+1;
414 }
415 }
416 dprintk(0, "Mailbox signature values not found!\n");
417 return -1;
418 }
419
420 static int blackbird_load_firmware(struct cx8802_dev *dev)
421 {
422 static const unsigned char magic[8] = {
423 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
424 };
425 const struct firmware *firmware;
426 int i, retval = 0;
427 u32 value = 0;
428 u32 checksum = 0;
429 u32 *dataptr;
430
431 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
432 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
433 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
434 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
435 msleep(1);
436 retval |= register_write(dev->core, IVTV_REG_APU, 0);
437
438 if (retval < 0)
439 dprintk(0, "Error with register_write\n");
440
441 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
442 &dev->pci->dev);
443
444
445 if (retval != 0) {
446 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
447 CX2341X_FIRM_ENC_FILENAME);
448 dprintk(0, "Please fix your hotplug setup, the board will "
449 "not work without firmware loaded!\n");
450 return -1;
451 }
452
453 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
454 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
455 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
456 release_firmware(firmware);
457 return -1;
458 }
459
460 if (0 != memcmp(firmware->data, magic, 8)) {
461 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
462 release_firmware(firmware);
463 return -1;
464 }
465
466 /* transfer to the chip */
467 dprintk(1,"Loading firmware ...\n");
468 dataptr = (u32*)firmware->data;
469 for (i = 0; i < (firmware->size >> 2); i++) {
470 value = *dataptr;
471 checksum += ~value;
472 memory_write(dev->core, i, value);
473 dataptr++;
474 }
475
476 /* read back to verify with the checksum */
477 for (i--; i >= 0; i--) {
478 memory_read(dev->core, i, &value);
479 checksum -= ~value;
480 }
481 if (checksum) {
482 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
483 release_firmware(firmware);
484 return -1;
485 }
486 release_firmware(firmware);
487 dprintk(0, "Firmware upload successful.\n");
488
489 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
490 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
491 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
492 msleep(1);
493
494 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
495 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
496
497 if (retval < 0)
498 dprintk(0, "Error with register_write\n");
499 return 0;
500 }
501
502 /**
503 Settings used by the windows tv app for PVR2000:
504 =================================================================================================================
505 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
506 -----------------------------------------------------------------------------------------------------------------
507 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
508 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
509 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512 =================================================================================================================
513 *DB: "DirectBurn"
514 */
515
516 static void blackbird_codec_settings(struct cx8802_dev *dev)
517 {
518 /* assign frame size */
519 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
520 dev->height, dev->width);
521
522 dev->params.width = dev->width;
523 dev->params.height = dev->height;
524 dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0;
525
526 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
527 }
528
529 static struct v4l2_mpeg_compression default_mpeg_params = {
530 .st_type = V4L2_MPEG_PS_2,
531 .st_bitrate = {
532 .mode = V4L2_BITRATE_CBR,
533 .min = 0,
534 .target = 0,
535 .max = 0
536 },
537 .ts_pid_pmt = 16,
538 .ts_pid_audio = 260,
539 .ts_pid_video = 256,
540 .ts_pid_pcr = 259,
541 .ps_size = 0,
542 .au_type = V4L2_MPEG_AU_2_II,
543 .au_bitrate = {
544 .mode = V4L2_BITRATE_CBR,
545 .min = 224,
546 .target = 224,
547 .max = 224
548 },
549 .au_sample_rate = 48000,
550 .au_pesid = 0,
551 .vi_type = V4L2_MPEG_VI_2,
552 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
553 .vi_bitrate = {
554 .mode = V4L2_BITRATE_CBR,
555 .min = 4000,
556 .target = 4500,
557 .max = 6000
558 },
559 .vi_frame_rate = 25,
560 .vi_frames_per_gop = 12,
561 .vi_bframes_count = 2,
562 .vi_pesid = 0,
563 .closed_gops = 1,
564 .pulldown = 0
565 };
566
567 static int blackbird_initialize_codec(struct cx8802_dev *dev)
568 {
569 struct cx88_core *core = dev->core;
570 int version;
571 int retval;
572
573 dprintk(1,"Initialize codec\n");
574 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
575 if (retval < 0) {
576 /* ping was not successful, reset and upload firmware */
577 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
578 msleep(1);
579 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
580 msleep(1);
581 retval = blackbird_load_firmware(dev);
582 if (retval < 0)
583 return retval;
584
585 dev->mailbox = blackbird_find_mailbox(dev);
586 if (dev->mailbox < 0)
587 return -1;
588
589 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
590 if (retval < 0) {
591 dprintk(0, "ERROR: Firmware ping failed!\n");
592 return -1;
593 }
594
595 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
596 if (retval < 0) {
597 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
598 return -1;
599 }
600 dprintk(0, "Firmware version is 0x%08x\n", version);
601 }
602 msleep(1);
603
604 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
605 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
606 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
607 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
608
609 blackbird_codec_settings(dev);
610 msleep(1);
611
612 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
613 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
614 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
615 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
616 BLACKBIRD_FIELD1_SAA7115,
617 BLACKBIRD_FIELD2_SAA7115
618 );
619
620 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
621 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
622 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
623 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
624
625 /* initialize the video input */
626 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
627
628 msleep(1);
629
630 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
631 msleep(1);
632 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
633 msleep(1);
634
635 /* start capturing to the host interface */
636 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
637 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
638 BLACKBIRD_MPEG_CAPTURE,
639 BLACKBIRD_RAW_BITS_NONE
640 );
641 msleep(10);
642
643 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
644 return 0;
645 }
646
647 /* ------------------------------------------------------------------ */
648
649 static int bb_buf_setup(struct videobuf_queue *q,
650 unsigned int *count, unsigned int *size)
651 {
652 struct cx8802_fh *fh = q->priv_data;
653
654 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
655 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
656
657 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
658 *count = fh->dev->ts_packet_count;
659 return 0;
660 }
661
662 static int
663 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
664 enum v4l2_field field)
665 {
666 struct cx8802_fh *fh = q->priv_data;
667 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
668 }
669
670 static void
671 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
672 {
673 struct cx8802_fh *fh = q->priv_data;
674 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
675 }
676
677 static void
678 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
679 {
680 cx88_free_buffer(q, (struct cx88_buffer*)vb);
681 }
682
683 static struct videobuf_queue_ops blackbird_qops = {
684 .buf_setup = bb_buf_setup,
685 .buf_prepare = bb_buf_prepare,
686 .buf_queue = bb_buf_queue,
687 .buf_release = bb_buf_release,
688 };
689
690 /* ------------------------------------------------------------------ */
691
692 static const u32 *ctrl_classes[] = {
693 cx88_user_ctrls,
694 cx2341x_mpeg_ctrls,
695 NULL
696 };
697
698 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
699 {
700 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
701 if (qctrl->id == 0)
702 return -EINVAL;
703
704 /* Standard V4L2 controls */
705 if (cx8800_ctrl_query(qctrl) == 0)
706 return 0;
707
708 /* MPEG V4L2 controls */
709 if (cx2341x_ctrl_query(&dev->params, qctrl))
710 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
711 return 0;
712 }
713
714 static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
715 {
716 struct v4l2_queryctrl qctrl;
717
718 qctrl.id = qmenu->id;
719 blackbird_queryctrl(dev, &qctrl);
720 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
721 }
722
723 /* ------------------------------------------------------------------ */
724
725 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
726 unsigned int cmd, void *arg)
727 {
728 struct cx8802_fh *fh = file->private_data;
729 struct cx8802_dev *dev = fh->dev;
730 struct cx88_core *core = dev->core;
731
732 if (debug > 1)
733 v4l_print_ioctl(core->name,cmd);
734
735 switch (cmd) {
736
737 /* --- capabilities ------------------------------------------ */
738 case VIDIOC_QUERYCAP:
739 {
740 struct v4l2_capability *cap = arg;
741
742 memset(cap,0,sizeof(*cap));
743 strcpy(cap->driver, "cx88_blackbird");
744 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
745 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
746 cap->version = CX88_VERSION_CODE;
747 cap->capabilities =
748 V4L2_CAP_VIDEO_CAPTURE |
749 V4L2_CAP_READWRITE |
750 V4L2_CAP_STREAMING |
751 0;
752 if (UNSET != core->tuner_type)
753 cap->capabilities |= V4L2_CAP_TUNER;
754
755 return 0;
756 }
757
758 /* --- capture ioctls ---------------------------------------- */
759 case VIDIOC_ENUM_FMT:
760 {
761 struct v4l2_fmtdesc *f = arg;
762 int index;
763
764 index = f->index;
765 if (index != 0)
766 return -EINVAL;
767
768 memset(f,0,sizeof(*f));
769 f->index = index;
770 strlcpy(f->description, "MPEG", sizeof(f->description));
771 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
772 f->pixelformat = V4L2_PIX_FMT_MPEG;
773 return 0;
774 }
775 case VIDIOC_G_FMT:
776 {
777 struct v4l2_format *f = arg;
778
779 memset(f,0,sizeof(*f));
780 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
781 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
782 f->fmt.pix.bytesperline = 0;
783 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
784 f->fmt.pix.colorspace = 0;
785 f->fmt.pix.width = dev->width;
786 f->fmt.pix.height = dev->height;
787 f->fmt.pix.field = fh->mpegq.field;
788 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
789 dev->width, dev->height, fh->mpegq.field );
790 return 0;
791 }
792 case VIDIOC_TRY_FMT:
793 {
794 struct v4l2_format *f = arg;
795
796 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
797 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
798 f->fmt.pix.bytesperline = 0;
799 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
800 f->fmt.pix.colorspace = 0;
801 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
802 dev->width, dev->height, fh->mpegq.field );
803 return 0;
804 }
805 case VIDIOC_S_FMT:
806 {
807 struct v4l2_format *f = arg;
808
809 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
810 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
811 f->fmt.pix.bytesperline = 0;
812 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
813 f->fmt.pix.colorspace = 0;
814 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
815 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
816 return 0;
817 }
818
819 /* --- streaming capture ------------------------------------- */
820 case VIDIOC_REQBUFS:
821 return videobuf_reqbufs(&fh->mpegq, arg);
822
823 case VIDIOC_QUERYBUF:
824 return videobuf_querybuf(&fh->mpegq, arg);
825
826 case VIDIOC_QBUF:
827 return videobuf_qbuf(&fh->mpegq, arg);
828
829 case VIDIOC_DQBUF:
830 return videobuf_dqbuf(&fh->mpegq, arg,
831 file->f_flags & O_NONBLOCK);
832
833 case VIDIOC_STREAMON:
834 return videobuf_streamon(&fh->mpegq);
835
836 case VIDIOC_STREAMOFF:
837 return videobuf_streamoff(&fh->mpegq);
838
839 /* --- mpeg compression -------------------------------------- */
840 case VIDIOC_G_MPEGCOMP:
841 {
842 struct v4l2_mpeg_compression *f = arg;
843
844 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
845 "Replace with VIDIOC_G_EXT_CTRLS!");
846 memcpy(f,&default_mpeg_params,sizeof(*f));
847 return 0;
848 }
849 case VIDIOC_S_MPEGCOMP:
850 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
851 "Replace with VIDIOC_S_EXT_CTRLS!");
852 return 0;
853 case VIDIOC_G_EXT_CTRLS:
854 {
855 struct v4l2_ext_controls *f = arg;
856
857 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
858 return -EINVAL;
859 return cx2341x_ext_ctrls(&dev->params, f, cmd);
860 }
861 case VIDIOC_S_EXT_CTRLS:
862 case VIDIOC_TRY_EXT_CTRLS:
863 {
864 struct v4l2_ext_controls *f = arg;
865 struct cx2341x_mpeg_params p;
866 int err;
867
868 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
869 return -EINVAL;
870 p = dev->params;
871 err = cx2341x_ext_ctrls(&p, f, cmd);
872 if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
873 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
874 dev->params = p;
875 }
876 return err;
877 }
878 case VIDIOC_S_FREQUENCY:
879 {
880 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
881 BLACKBIRD_END_NOW,
882 BLACKBIRD_MPEG_CAPTURE,
883 BLACKBIRD_RAW_BITS_NONE);
884
885 cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
886
887 blackbird_initialize_codec(dev);
888 cx88_set_scale(dev->core, dev->width, dev->height,
889 fh->mpegq.field);
890 return 0;
891 }
892 case VIDIOC_LOG_STATUS:
893 {
894 char name[32 + 2];
895
896 snprintf(name, sizeof(name), "%s/2", core->name);
897 printk("%s/2: ============ START LOG STATUS ============\n",
898 core->name);
899 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, 0);
900 cx2341x_log_status(&dev->params, name);
901 printk("%s/2: ============= END LOG STATUS =============\n",
902 core->name);
903 return 0;
904 }
905 case VIDIOC_QUERYMENU:
906 return blackbird_querymenu(dev, arg);
907 case VIDIOC_QUERYCTRL:
908 {
909 struct v4l2_queryctrl *c = arg;
910
911 if (blackbird_queryctrl(dev, c) == 0)
912 return 0;
913 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
914 }
915
916 default:
917 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
918 }
919 return 0;
920 }
921
922 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
923 {
924 return cmd;
925 }
926
927 static int mpeg_ioctl(struct inode *inode, struct file *file,
928 unsigned int cmd, unsigned long arg)
929 {
930 cmd = mpeg_translate_ioctl( cmd );
931 return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl);
932 }
933
934 static int mpeg_open(struct inode *inode, struct file *file)
935 {
936 int minor = iminor(inode);
937 struct cx8802_dev *h,*dev = NULL;
938 struct cx8802_fh *fh;
939 struct list_head *list;
940
941 list_for_each(list,&cx8802_devlist) {
942 h = list_entry(list, struct cx8802_dev, devlist);
943 if (h->mpeg_dev->minor == minor)
944 dev = h;
945 }
946 if (NULL == dev)
947 return -ENODEV;
948
949 if (blackbird_initialize_codec(dev) < 0)
950 return -EINVAL;
951 dprintk(1,"open minor=%d\n",minor);
952
953 /* allocate + initialize per filehandle data */
954 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
955 if (NULL == fh)
956 return -ENOMEM;
957 file->private_data = fh;
958 fh->dev = dev;
959
960 videobuf_queue_init(&fh->mpegq, &blackbird_qops,
961 dev->pci, &dev->slock,
962 V4L2_BUF_TYPE_VIDEO_CAPTURE,
963 V4L2_FIELD_INTERLACED,
964 sizeof(struct cx88_buffer),
965 fh);
966
967 /* FIXME: locking against other video device */
968 cx88_set_scale(dev->core, dev->width, dev->height,
969 fh->mpegq.field);
970
971 return 0;
972 }
973
974 static int mpeg_release(struct inode *inode, struct file *file)
975 {
976 struct cx8802_fh *fh = file->private_data;
977
978 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
979 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
980 BLACKBIRD_END_NOW,
981 BLACKBIRD_MPEG_CAPTURE,
982 BLACKBIRD_RAW_BITS_NONE
983 );
984
985 cx8802_cancel_buffers(fh->dev);
986 /* stop mpeg capture */
987 if (fh->mpegq.streaming)
988 videobuf_streamoff(&fh->mpegq);
989 if (fh->mpegq.reading)
990 videobuf_read_stop(&fh->mpegq);
991
992 videobuf_mmap_free(&fh->mpegq);
993 file->private_data = NULL;
994 kfree(fh);
995 return 0;
996 }
997
998 static ssize_t
999 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1000 {
1001 struct cx8802_fh *fh = file->private_data;
1002
1003 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1004 file->f_flags & O_NONBLOCK);
1005 }
1006
1007 static unsigned int
1008 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1009 {
1010 struct cx8802_fh *fh = file->private_data;
1011
1012 return videobuf_poll_stream(file, &fh->mpegq, wait);
1013 }
1014
1015 static int
1016 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1017 {
1018 struct cx8802_fh *fh = file->private_data;
1019
1020 return videobuf_mmap_mapper(&fh->mpegq, vma);
1021 }
1022
1023 static struct file_operations mpeg_fops =
1024 {
1025 .owner = THIS_MODULE,
1026 .open = mpeg_open,
1027 .release = mpeg_release,
1028 .read = mpeg_read,
1029 .poll = mpeg_poll,
1030 .mmap = mpeg_mmap,
1031 .ioctl = mpeg_ioctl,
1032 .llseek = no_llseek,
1033 };
1034
1035 static struct video_device cx8802_mpeg_template =
1036 {
1037 .name = "cx8802",
1038 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1039 .hardware = 0,
1040 .fops = &mpeg_fops,
1041 .minor = -1,
1042 };
1043
1044 /* ------------------------------------------------------------------ */
1045
1046 static void blackbird_unregister_video(struct cx8802_dev *dev)
1047 {
1048 if (dev->mpeg_dev) {
1049 if (-1 != dev->mpeg_dev->minor)
1050 video_unregister_device(dev->mpeg_dev);
1051 else
1052 video_device_release(dev->mpeg_dev);
1053 dev->mpeg_dev = NULL;
1054 }
1055 }
1056
1057 static int blackbird_register_video(struct cx8802_dev *dev)
1058 {
1059 int err;
1060
1061 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1062 &cx8802_mpeg_template,"mpeg");
1063 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1064 if (err < 0) {
1065 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1066 dev->core->name);
1067 return err;
1068 }
1069 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1070 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1071 return 0;
1072 }
1073
1074 /* ----------------------------------------------------------- */
1075
1076 static int __devinit blackbird_probe(struct pci_dev *pci_dev,
1077 const struct pci_device_id *pci_id)
1078 {
1079 struct cx8802_dev *dev;
1080 struct cx88_core *core;
1081 int err;
1082
1083 /* general setup */
1084 core = cx88_core_get(pci_dev);
1085 if (NULL == core)
1086 return -EINVAL;
1087
1088 err = -ENODEV;
1089 if (!cx88_boards[core->board].blackbird)
1090 goto fail_core;
1091
1092 err = -ENOMEM;
1093 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1094 if (NULL == dev)
1095 goto fail_core;
1096 dev->pci = pci_dev;
1097 dev->core = core;
1098 dev->width = 720;
1099 dev->height = 576;
1100 cx2341x_fill_defaults(&dev->params);
1101 dev->params.port = CX2341X_PORT_STREAMING;
1102
1103 if (core->tvnorm->id & V4L2_STD_525_60) {
1104 dev->height = 480;
1105 } else {
1106 dev->height = 576;
1107 }
1108
1109 err = cx8802_init_common(dev);
1110 if (0 != err)
1111 goto fail_free;
1112
1113 /* blackbird stuff */
1114 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1115 core->name);
1116 host_setup(dev->core);
1117
1118 list_add_tail(&dev->devlist,&cx8802_devlist);
1119 blackbird_register_video(dev);
1120
1121 /* initial device configuration: needed ? */
1122
1123 return 0;
1124
1125 fail_free:
1126 kfree(dev);
1127 fail_core:
1128 cx88_core_put(core,pci_dev);
1129 return err;
1130 }
1131
1132 static void __devexit blackbird_remove(struct pci_dev *pci_dev)
1133 {
1134 struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
1135
1136 /* blackbird */
1137 blackbird_unregister_video(dev);
1138 list_del(&dev->devlist);
1139
1140 /* common */
1141 cx8802_fini_common(dev);
1142 cx88_core_put(dev->core,dev->pci);
1143 kfree(dev);
1144 }
1145
1146 static struct pci_device_id cx8802_pci_tbl[] = {
1147 {
1148 .vendor = 0x14f1,
1149 .device = 0x8802,
1150 .subvendor = PCI_ANY_ID,
1151 .subdevice = PCI_ANY_ID,
1152 },{
1153 /* --- end of list --- */
1154 }
1155 };
1156 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
1157
1158 static struct pci_driver blackbird_pci_driver = {
1159 .name = "cx88-blackbird",
1160 .id_table = cx8802_pci_tbl,
1161 .probe = blackbird_probe,
1162 .remove = __devexit_p(blackbird_remove),
1163 .suspend = cx8802_suspend_common,
1164 .resume = cx8802_resume_common,
1165 };
1166
1167 static int blackbird_init(void)
1168 {
1169 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1170 (CX88_VERSION_CODE >> 16) & 0xff,
1171 (CX88_VERSION_CODE >> 8) & 0xff,
1172 CX88_VERSION_CODE & 0xff);
1173 #ifdef SNAPSHOT
1174 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1175 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1176 #endif
1177 return pci_register_driver(&blackbird_pci_driver);
1178 }
1179
1180 static void blackbird_fini(void)
1181 {
1182 pci_unregister_driver(&blackbird_pci_driver);
1183 }
1184
1185 module_init(blackbird_init);
1186 module_exit(blackbird_fini);
1187
1188 /* ----------------------------------------------------------- */
1189 /*
1190 * Local variables:
1191 * c-basic-offset: 8
1192 * End:
1193 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
1194 */
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree