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24#include "cx88.h"
25
26#include <linux/module.h>
27#include <linux/init.h>
28#include <linux/slab.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/v4l2-ioctl.h>
35#include <media/v4l2-event.h>
36#include <media/drv-intf/cx2341x.h>
37
38MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
39MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40MODULE_LICENSE("GPL");
41MODULE_VERSION(CX88_VERSION);
42
43static unsigned int debug;
44module_param(debug, int, 0644);
45MODULE_PARM_DESC(debug, "enable debug messages [blackbird]");
46
47#define dprintk(level, fmt, arg...) do { \
48 if (debug + 1 > level) \
49 printk(KERN_DEBUG pr_fmt("%s: blackbird:" fmt), \
50 __func__, ##arg); \
51} while (0)
52
53
54
55#define BLACKBIRD_FIRM_IMAGE_SIZE 376836
56
57
58
59#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
60
61
62#define IVTV_API_STD_TIMEOUT 500
63
64enum blackbird_capture_type {
65 BLACKBIRD_MPEG_CAPTURE,
66 BLACKBIRD_RAW_CAPTURE,
67 BLACKBIRD_RAW_PASSTHRU_CAPTURE
68};
69
70enum blackbird_capture_bits {
71 BLACKBIRD_RAW_BITS_NONE = 0x00,
72 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
73 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
74 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
75 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
76 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
77};
78
79enum blackbird_capture_end {
80 BLACKBIRD_END_AT_GOP,
81 BLACKBIRD_END_NOW,
82};
83
84enum blackbird_framerate {
85 BLACKBIRD_FRAMERATE_NTSC_30,
86 BLACKBIRD_FRAMERATE_PAL_25
87};
88
89enum blackbird_stream_port {
90 BLACKBIRD_OUTPUT_PORT_MEMORY,
91 BLACKBIRD_OUTPUT_PORT_STREAMING,
92 BLACKBIRD_OUTPUT_PORT_SERIAL
93};
94
95enum blackbird_data_xfer_status {
96 BLACKBIRD_MORE_BUFFERS_FOLLOW,
97 BLACKBIRD_LAST_BUFFER,
98};
99
100enum blackbird_picture_mask {
101 BLACKBIRD_PICTURE_MASK_NONE,
102 BLACKBIRD_PICTURE_MASK_I_FRAMES,
103 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
104 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
105};
106
107enum blackbird_vbi_mode_bits {
108 BLACKBIRD_VBI_BITS_SLICED,
109 BLACKBIRD_VBI_BITS_RAW,
110};
111
112enum blackbird_vbi_insertion_bits {
113 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
114 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
115 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
116 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
117 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
118};
119
120enum blackbird_dma_unit {
121 BLACKBIRD_DMA_BYTES,
122 BLACKBIRD_DMA_FRAMES,
123};
124
125enum blackbird_dma_transfer_status_bits {
126 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
127 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
128 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
129};
130
131enum blackbird_pause {
132 BLACKBIRD_PAUSE_ENCODING,
133 BLACKBIRD_RESUME_ENCODING,
134};
135
136enum blackbird_copyright {
137 BLACKBIRD_COPYRIGHT_OFF,
138 BLACKBIRD_COPYRIGHT_ON,
139};
140
141enum blackbird_notification_type {
142 BLACKBIRD_NOTIFICATION_REFRESH,
143};
144
145enum blackbird_notification_status {
146 BLACKBIRD_NOTIFICATION_OFF,
147 BLACKBIRD_NOTIFICATION_ON,
148};
149
150enum blackbird_notification_mailbox {
151 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
152};
153
154enum blackbird_field1_lines {
155 BLACKBIRD_FIELD1_SAA7114 = 0x00EF,
156 BLACKBIRD_FIELD1_SAA7115 = 0x00F0,
157 BLACKBIRD_FIELD1_MICRONAS = 0x0105,
158};
159
160enum blackbird_field2_lines {
161 BLACKBIRD_FIELD2_SAA7114 = 0x00EF,
162 BLACKBIRD_FIELD2_SAA7115 = 0x00F0,
163 BLACKBIRD_FIELD2_MICRONAS = 0x0106,
164};
165
166enum blackbird_custom_data_type {
167 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
168 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
169};
170
171enum blackbird_mute {
172 BLACKBIRD_UNMUTE,
173 BLACKBIRD_MUTE,
174};
175
176enum blackbird_mute_video_mask {
177 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
178 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
179 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
180};
181
182enum blackbird_mute_video_shift {
183 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
184 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
185 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
186};
187
188
189#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 )
190#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC )
191#define IVTV_REG_SPU (0x9050 )
192#define IVTV_REG_HW_BLOCKS (0x9054 )
193#define IVTV_REG_VPU (0x9058 )
194#define IVTV_REG_APU (0xA064 )
195
196
197
198static void host_setup(struct cx88_core *core)
199{
200
201 cx_write(MO_GPHST_SOFT_RST, 1);
202 udelay(100);
203 cx_write(MO_GPHST_SOFT_RST, 0);
204 udelay(100);
205
206
207 cx_write(MO_GPHST_WSC, 0x44444444U);
208 cx_write(MO_GPHST_XFR, 0);
209 cx_write(MO_GPHST_WDTH, 15);
210 cx_write(MO_GPHST_HDSHK, 0);
211 cx_write(MO_GPHST_MUX16, 0x44448888U);
212 cx_write(MO_GPHST_MODE, 0);
213}
214
215
216
217#define P1_MDATA0 0x390000
218#define P1_MDATA1 0x390001
219#define P1_MDATA2 0x390002
220#define P1_MDATA3 0x390003
221#define P1_MADDR2 0x390004
222#define P1_MADDR1 0x390005
223#define P1_MADDR0 0x390006
224#define P1_RDATA0 0x390008
225#define P1_RDATA1 0x390009
226#define P1_RDATA2 0x39000A
227#define P1_RDATA3 0x39000B
228#define P1_RADDR0 0x39000C
229#define P1_RADDR1 0x39000D
230#define P1_RRDWR 0x39000E
231
232static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
233{
234 unsigned long timeout = jiffies + msecs_to_jiffies(1);
235 u32 gpio0, need;
236
237 need = state ? 2 : 0;
238 for (;;) {
239 gpio0 = cx_read(MO_GP0_IO) & 2;
240 if (need == gpio0)
241 return 0;
242 if (time_after(jiffies, timeout))
243 return -1;
244 udelay(1);
245 }
246}
247
248static int memory_write(struct cx88_core *core, u32 address, u32 value)
249{
250
251 cx_writeb(P1_MDATA0, (unsigned int)value);
252 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
253 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
254 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
255 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
256 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
257 cx_writeb(P1_MADDR0, (unsigned int)address);
258 cx_read(P1_MDATA0);
259 cx_read(P1_MADDR0);
260
261 return wait_ready_gpio0_bit1(core, 1);
262}
263
264static int memory_read(struct cx88_core *core, u32 address, u32 *value)
265{
266 int retval;
267 u32 val;
268
269
270 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
271 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
272 cx_writeb(P1_MADDR0, (unsigned int)address);
273 cx_read(P1_MADDR0);
274
275 retval = wait_ready_gpio0_bit1(core, 1);
276
277 cx_writeb(P1_MDATA3, 0);
278 val = (unsigned char)cx_read(P1_MDATA3) << 24;
279 cx_writeb(P1_MDATA2, 0);
280 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
281 cx_writeb(P1_MDATA1, 0);
282 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
283 cx_writeb(P1_MDATA0, 0);
284 val |= (unsigned char)cx_read(P1_MDATA0);
285
286 *value = val;
287 return retval;
288}
289
290static int register_write(struct cx88_core *core, u32 address, u32 value)
291{
292 cx_writeb(P1_RDATA0, (unsigned int)value);
293 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
294 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
295 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
296 cx_writeb(P1_RADDR0, (unsigned int)address);
297 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
298 cx_writeb(P1_RRDWR, 1);
299 cx_read(P1_RDATA0);
300 cx_read(P1_RADDR0);
301
302 return wait_ready_gpio0_bit1(core, 1);
303}
304
305static int register_read(struct cx88_core *core, u32 address, u32 *value)
306{
307 int retval;
308 u32 val;
309
310 cx_writeb(P1_RADDR0, (unsigned int)address);
311 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
312 cx_writeb(P1_RRDWR, 0);
313 cx_read(P1_RADDR0);
314
315 retval = wait_ready_gpio0_bit1(core, 1);
316 val = (unsigned char)cx_read(P1_RDATA0);
317 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
318 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
319 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
320
321 *value = val;
322 return retval;
323}
324
325
326
327static int blackbird_mbox_func(void *priv, u32 command, int in,
328 int out, u32 data[CX2341X_MBOX_MAX_DATA])
329{
330 struct cx8802_dev *dev = priv;
331 unsigned long timeout;
332 u32 value, flag, retval;
333 int i;
334
335 dprintk(1, "%s: 0x%X\n", __func__, command);
336
337
338
339
340
341 memory_read(dev->core, dev->mailbox - 4, &value);
342 if (value != 0x12345678) {
343 dprintk(0,
344 "Firmware and/or mailbox pointer not initialized or corrupted\n");
345 return -EIO;
346 }
347
348 memory_read(dev->core, dev->mailbox, &flag);
349 if (flag) {
350 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
351 return -EIO;
352 }
353
354 flag |= 1;
355 memory_write(dev->core, dev->mailbox, flag);
356
357
358 memory_write(dev->core, dev->mailbox + 1, command);
359
360 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT);
361 for (i = 0; i < in; i++) {
362 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
363 dprintk(1, "API Input %d = %d\n", i, data[i]);
364 }
365 for (; i < CX2341X_MBOX_MAX_DATA; i++)
366 memory_write(dev->core, dev->mailbox + 4 + i, 0);
367
368 flag |= 3;
369 memory_write(dev->core, dev->mailbox, flag);
370
371
372 timeout = jiffies + msecs_to_jiffies(1000);
373 for (;;) {
374 memory_read(dev->core, dev->mailbox, &flag);
375 if (0 != (flag & 4))
376 break;
377 if (time_after(jiffies, timeout)) {
378 dprintk(0, "ERROR: API Mailbox timeout %x\n", command);
379 return -EIO;
380 }
381 udelay(10);
382 }
383
384
385 for (i = 0; i < out; i++) {
386 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
387 dprintk(1, "API Output %d = %d\n", i, data[i]);
388 }
389
390 memory_read(dev->core, dev->mailbox + 2, &retval);
391 dprintk(1, "API result = %d\n", retval);
392
393 flag = 0;
394 memory_write(dev->core, dev->mailbox, flag);
395 return retval;
396}
397
398
399
400
401
402
403
404static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
405 u32 inputcnt, u32 outputcnt, ...)
406{
407 u32 data[CX2341X_MBOX_MAX_DATA];
408 va_list vargs;
409 int i, err;
410
411 va_start(vargs, outputcnt);
412
413 for (i = 0; i < inputcnt; i++)
414 data[i] = va_arg(vargs, int);
415
416 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
417 for (i = 0; i < outputcnt; i++) {
418 int *vptr = va_arg(vargs, int *);
419 *vptr = data[i];
420 }
421 va_end(vargs);
422 return err;
423}
424
425static int blackbird_find_mailbox(struct cx8802_dev *dev)
426{
427 u32 signature[4] = {0x12345678, 0x34567812, 0x56781234, 0x78123456};
428 int signaturecnt = 0;
429 u32 value;
430 int i;
431
432 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
433 memory_read(dev->core, i, &value);
434 if (value == signature[signaturecnt])
435 signaturecnt++;
436 else
437 signaturecnt = 0;
438 if (signaturecnt == 4) {
439 dprintk(1, "Mailbox signature found\n");
440 return i + 1;
441 }
442 }
443 dprintk(0, "Mailbox signature values not found!\n");
444 return -EIO;
445}
446
447static int blackbird_load_firmware(struct cx8802_dev *dev)
448{
449 static const unsigned char magic[8] = {
450 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
451 };
452 const struct firmware *firmware;
453 int i, retval = 0;
454 u32 value = 0;
455 u32 checksum = 0;
456 __le32 *dataptr;
457
458 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
459 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
460 IVTV_CMD_HW_BLOCKS_RST);
461 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH,
462 0x80000640);
463 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE,
464 0x1A);
465 usleep_range(10000, 20000);
466 retval |= register_write(dev->core, IVTV_REG_APU, 0);
467
468 if (retval < 0)
469 dprintk(0, "Error with register_write\n");
470
471 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
472 &dev->pci->dev);
473
474 if (retval != 0) {
475 pr_err("Hotplug firmware request failed (%s).\n",
476 CX2341X_FIRM_ENC_FILENAME);
477 pr_err("Please fix your hotplug setup, the board will not work without firmware loaded!\n");
478 return -EIO;
479 }
480
481 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
482 pr_err("Firmware size mismatch (have %zd, expected %d)\n",
483 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
484 release_firmware(firmware);
485 return -EINVAL;
486 }
487
488 if (memcmp(firmware->data, magic, 8) != 0) {
489 pr_err("Firmware magic mismatch, wrong file?\n");
490 release_firmware(firmware);
491 return -EINVAL;
492 }
493
494
495 dprintk(1, "Loading firmware ...\n");
496 dataptr = (__le32 *)firmware->data;
497 for (i = 0; i < (firmware->size >> 2); i++) {
498 value = le32_to_cpu(*dataptr);
499 checksum += ~value;
500 memory_write(dev->core, i, value);
501 dataptr++;
502 }
503
504
505 for (i--; i >= 0; i--) {
506 memory_read(dev->core, i, &value);
507 checksum -= ~value;
508 }
509 release_firmware(firmware);
510 if (checksum) {
511 pr_err("Firmware load might have failed (checksum mismatch).\n");
512 return -EIO;
513 }
514 dprintk(0, "Firmware upload successful.\n");
515
516 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS,
517 IVTV_CMD_HW_BLOCKS_RST);
518 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
519 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
520 usleep_range(10000, 20000);
521
522 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
523 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
524
525 if (retval < 0)
526 dprintk(0, "Error with register_write\n");
527 return 0;
528}
529
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540
541
542
543
544static void blackbird_codec_settings(struct cx8802_dev *dev)
545{
546 struct cx88_core *core = dev->core;
547
548
549 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
550 core->height, core->width);
551
552 dev->cxhdl.width = core->width;
553 dev->cxhdl.height = core->height;
554 cx2341x_handler_set_50hz(&dev->cxhdl,
555 dev->core->tvnorm & V4L2_STD_625_50);
556 cx2341x_handler_setup(&dev->cxhdl);
557}
558
559static int blackbird_initialize_codec(struct cx8802_dev *dev)
560{
561 struct cx88_core *core = dev->core;
562 int version;
563 int retval;
564
565 dprintk(1, "Initialize codec\n");
566 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
567 if (retval < 0) {
568
569 cx_write(MO_SRST_IO, 0);
570 cx_write(MO_SRST_IO, 1);
571 retval = blackbird_load_firmware(dev);
572 if (retval < 0)
573 return retval;
574
575 retval = blackbird_find_mailbox(dev);
576 if (retval < 0)
577 return -1;
578
579 dev->mailbox = retval;
580
581
582 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0);
583 if (retval < 0) {
584 dprintk(0, "ERROR: Firmware ping failed!\n");
585 return -1;
586 }
587
588 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION,
589 0, 1, &version);
590 if (retval < 0) {
591 dprintk(0,
592 "ERROR: Firmware get encoder version failed!\n");
593 return -1;
594 }
595 dprintk(0, "Firmware version is 0x%08x\n", version);
596 }
597
598 cx_write(MO_PINMUX_IO, 0x88);
599 cx_clear(MO_INPUT_FORMAT, 0x100);
600 cx_write(MO_VBOS_CONTROL, 0x84A00);
601 cx_clear(MO_OUTPUT_FORMAT, 0x0008);
602
603 blackbird_codec_settings(dev);
604
605 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
606 BLACKBIRD_FIELD1_SAA7115, BLACKBIRD_FIELD2_SAA7115);
607
608 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
609 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
610 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
611
612 return 0;
613}
614
615static int blackbird_start_codec(struct cx8802_dev *dev)
616{
617 struct cx88_core *core = dev->core;
618
619 u32 reg;
620
621 int i;
622 int lastchange = -1;
623 int lastval = 0;
624
625 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
626 reg = cx_read(AUD_STATUS);
627
628 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
629 if ((reg & 0x0F) != lastval) {
630 lastval = reg & 0x0F;
631 lastchange = i;
632 }
633 msleep(100);
634 }
635
636
637 cx_clear(AUD_VOL_CTL, (1 << 6));
638
639 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
640
641
642 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
643
644 cx2341x_handler_set_busy(&dev->cxhdl, 1);
645
646
647 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
648 BLACKBIRD_MPEG_CAPTURE, BLACKBIRD_RAW_BITS_NONE);
649
650 return 0;
651}
652
653static int blackbird_stop_codec(struct cx8802_dev *dev)
654{
655 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
656 BLACKBIRD_END_NOW,
657 BLACKBIRD_MPEG_CAPTURE,
658 BLACKBIRD_RAW_BITS_NONE);
659
660 cx2341x_handler_set_busy(&dev->cxhdl, 0);
661
662 return 0;
663}
664
665
666
667static int queue_setup(struct vb2_queue *q,
668 unsigned int *num_buffers, unsigned int *num_planes,
669 unsigned int sizes[], struct device *alloc_devs[])
670{
671 struct cx8802_dev *dev = q->drv_priv;
672
673 *num_planes = 1;
674 dev->ts_packet_size = 188 * 4;
675 dev->ts_packet_count = 32;
676 sizes[0] = dev->ts_packet_size * dev->ts_packet_count;
677 return 0;
678}
679
680static int buffer_prepare(struct vb2_buffer *vb)
681{
682 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
683 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
684 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
685
686 return cx8802_buf_prepare(vb->vb2_queue, dev, buf);
687}
688
689static void buffer_finish(struct vb2_buffer *vb)
690{
691 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
692 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
693 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
694 struct cx88_riscmem *risc = &buf->risc;
695
696 if (risc->cpu)
697 pci_free_consistent(dev->pci, risc->size, risc->cpu, risc->dma);
698 memset(risc, 0, sizeof(*risc));
699}
700
701static void buffer_queue(struct vb2_buffer *vb)
702{
703 struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
704 struct cx8802_dev *dev = vb->vb2_queue->drv_priv;
705 struct cx88_buffer *buf = container_of(vbuf, struct cx88_buffer, vb);
706
707 cx8802_buf_queue(dev, buf);
708}
709
710static int start_streaming(struct vb2_queue *q, unsigned int count)
711{
712 struct cx8802_dev *dev = q->drv_priv;
713 struct cx88_dmaqueue *dmaq = &dev->mpegq;
714 struct cx8802_driver *drv;
715 struct cx88_buffer *buf;
716 unsigned long flags;
717 int err;
718
719
720 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
721 if (!drv) {
722 dprintk(1, "%s: blackbird driver is not loaded\n", __func__);
723 err = -ENODEV;
724 goto fail;
725 }
726
727 err = drv->request_acquire(drv);
728 if (err != 0) {
729 dprintk(1, "%s: Unable to acquire hardware, %d\n", __func__,
730 err);
731 goto fail;
732 }
733
734 if (blackbird_initialize_codec(dev) < 0) {
735 drv->request_release(drv);
736 err = -EINVAL;
737 goto fail;
738 }
739
740 err = blackbird_start_codec(dev);
741 if (err == 0) {
742 buf = list_entry(dmaq->active.next, struct cx88_buffer, list);
743 cx8802_start_dma(dev, dmaq, buf);
744 return 0;
745 }
746
747fail:
748 spin_lock_irqsave(&dev->slock, flags);
749 while (!list_empty(&dmaq->active)) {
750 struct cx88_buffer *buf = list_entry(dmaq->active.next,
751 struct cx88_buffer, list);
752
753 list_del(&buf->list);
754 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_QUEUED);
755 }
756 spin_unlock_irqrestore(&dev->slock, flags);
757 return err;
758}
759
760static void stop_streaming(struct vb2_queue *q)
761{
762 struct cx8802_dev *dev = q->drv_priv;
763 struct cx88_dmaqueue *dmaq = &dev->mpegq;
764 struct cx8802_driver *drv = NULL;
765 unsigned long flags;
766
767 cx8802_cancel_buffers(dev);
768 blackbird_stop_codec(dev);
769
770
771 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
772 WARN_ON(!drv);
773 if (drv)
774 drv->request_release(drv);
775
776 spin_lock_irqsave(&dev->slock, flags);
777 while (!list_empty(&dmaq->active)) {
778 struct cx88_buffer *buf = list_entry(dmaq->active.next,
779 struct cx88_buffer, list);
780
781 list_del(&buf->list);
782 vb2_buffer_done(&buf->vb.vb2_buf, VB2_BUF_STATE_ERROR);
783 }
784 spin_unlock_irqrestore(&dev->slock, flags);
785}
786
787static const struct vb2_ops blackbird_qops = {
788 .queue_setup = queue_setup,
789 .buf_prepare = buffer_prepare,
790 .buf_finish = buffer_finish,
791 .buf_queue = buffer_queue,
792 .wait_prepare = vb2_ops_wait_prepare,
793 .wait_finish = vb2_ops_wait_finish,
794 .start_streaming = start_streaming,
795 .stop_streaming = stop_streaming,
796};
797
798
799
800static int vidioc_querycap(struct file *file, void *priv,
801 struct v4l2_capability *cap)
802{
803 struct cx8802_dev *dev = video_drvdata(file);
804 struct cx88_core *core = dev->core;
805
806 strcpy(cap->driver, "cx88_blackbird");
807 sprintf(cap->bus_info, "PCI:%s", pci_name(dev->pci));
808 return cx88_querycap(file, core, cap);
809}
810
811static int vidioc_enum_fmt_vid_cap(struct file *file, void *priv,
812 struct v4l2_fmtdesc *f)
813{
814 if (f->index != 0)
815 return -EINVAL;
816
817 strlcpy(f->description, "MPEG", sizeof(f->description));
818 f->pixelformat = V4L2_PIX_FMT_MPEG;
819 f->flags = V4L2_FMT_FLAG_COMPRESSED;
820 return 0;
821}
822
823static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
824 struct v4l2_format *f)
825{
826 struct cx8802_dev *dev = video_drvdata(file);
827 struct cx88_core *core = dev->core;
828
829 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
830 f->fmt.pix.bytesperline = 0;
831 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
832 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
833 f->fmt.pix.width = core->width;
834 f->fmt.pix.height = core->height;
835 f->fmt.pix.field = core->field;
836 return 0;
837}
838
839static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
840 struct v4l2_format *f)
841{
842 struct cx8802_dev *dev = video_drvdata(file);
843 struct cx88_core *core = dev->core;
844 unsigned int maxw, maxh;
845 enum v4l2_field field;
846
847 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
848 f->fmt.pix.bytesperline = 0;
849 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count;
850 f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
851
852 maxw = norm_maxw(core->tvnorm);
853 maxh = norm_maxh(core->tvnorm);
854
855 field = f->fmt.pix.field;
856
857 switch (field) {
858 case V4L2_FIELD_TOP:
859 case V4L2_FIELD_BOTTOM:
860 case V4L2_FIELD_INTERLACED:
861 case V4L2_FIELD_SEQ_BT:
862 case V4L2_FIELD_SEQ_TB:
863 break;
864 default:
865 field = (f->fmt.pix.height > maxh / 2)
866 ? V4L2_FIELD_INTERLACED
867 : V4L2_FIELD_BOTTOM;
868 break;
869 }
870 if (V4L2_FIELD_HAS_T_OR_B(field))
871 maxh /= 2;
872
873 v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
874 &f->fmt.pix.height, 32, maxh, 0, 0);
875 f->fmt.pix.field = field;
876 return 0;
877}
878
879static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
880 struct v4l2_format *f)
881{
882 struct cx8802_dev *dev = video_drvdata(file);
883 struct cx88_core *core = dev->core;
884
885 if (vb2_is_busy(&dev->vb2_mpegq))
886 return -EBUSY;
887 if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
888 vb2_is_busy(&core->v4ldev->vb2_vbiq)))
889 return -EBUSY;
890 vidioc_try_fmt_vid_cap(file, priv, f);
891 core->width = f->fmt.pix.width;
892 core->height = f->fmt.pix.height;
893 core->field = f->fmt.pix.field;
894 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
895 f->fmt.pix.field);
896 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
897 f->fmt.pix.height, f->fmt.pix.width);
898 return 0;
899}
900
901static int vidioc_s_frequency(struct file *file, void *priv,
902 const struct v4l2_frequency *f)
903{
904 struct cx8802_dev *dev = video_drvdata(file);
905 struct cx88_core *core = dev->core;
906 bool streaming;
907
908 if (unlikely(core->board.tuner_type == UNSET))
909 return -EINVAL;
910 if (unlikely(f->tuner != 0))
911 return -EINVAL;
912 streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
913 if (streaming)
914 blackbird_stop_codec(dev);
915
916 cx88_set_freq(core, f);
917 blackbird_initialize_codec(dev);
918 cx88_set_scale(core, core->width, core->height, core->field);
919 if (streaming)
920 blackbird_start_codec(dev);
921 return 0;
922}
923
924static int vidioc_log_status(struct file *file, void *priv)
925{
926 struct cx8802_dev *dev = video_drvdata(file);
927 struct cx88_core *core = dev->core;
928 char name[32 + 2];
929
930 snprintf(name, sizeof(name), "%s/2", core->name);
931 call_all(core, core, log_status);
932 v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
933 return 0;
934}
935
936static int vidioc_enum_input(struct file *file, void *priv,
937 struct v4l2_input *i)
938{
939 struct cx8802_dev *dev = video_drvdata(file);
940 struct cx88_core *core = dev->core;
941
942 return cx88_enum_input(core, i);
943}
944
945static int vidioc_g_frequency(struct file *file, void *priv,
946 struct v4l2_frequency *f)
947{
948 struct cx8802_dev *dev = video_drvdata(file);
949 struct cx88_core *core = dev->core;
950
951 if (unlikely(core->board.tuner_type == UNSET))
952 return -EINVAL;
953 if (unlikely(f->tuner != 0))
954 return -EINVAL;
955
956 f->frequency = core->freq;
957 call_all(core, tuner, g_frequency, f);
958
959 return 0;
960}
961
962static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
963{
964 struct cx8802_dev *dev = video_drvdata(file);
965 struct cx88_core *core = dev->core;
966
967 *i = core->input;
968 return 0;
969}
970
971static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
972{
973 struct cx8802_dev *dev = video_drvdata(file);
974 struct cx88_core *core = dev->core;
975
976 if (i >= 4)
977 return -EINVAL;
978 if (!INPUT(i).type)
979 return -EINVAL;
980
981 cx88_newstation(core);
982 cx88_video_mux(core, i);
983 return 0;
984}
985
986static int vidioc_g_tuner(struct file *file, void *priv,
987 struct v4l2_tuner *t)
988{
989 struct cx8802_dev *dev = video_drvdata(file);
990 struct cx88_core *core = dev->core;
991 u32 reg;
992
993 if (unlikely(core->board.tuner_type == UNSET))
994 return -EINVAL;
995 if (t->index != 0)
996 return -EINVAL;
997
998 strcpy(t->name, "Television");
999 t->capability = V4L2_TUNER_CAP_NORM;
1000 t->rangehigh = 0xffffffffUL;
1001 call_all(core, tuner, g_tuner, t);
1002
1003 cx88_get_stereo(core, t);
1004 reg = cx_read(MO_DEVICE_STATUS);
1005 t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
1006 return 0;
1007}
1008
1009static int vidioc_s_tuner(struct file *file, void *priv,
1010 const struct v4l2_tuner *t)
1011{
1012 struct cx8802_dev *dev = video_drvdata(file);
1013 struct cx88_core *core = dev->core;
1014
1015 if (core->board.tuner_type == UNSET)
1016 return -EINVAL;
1017 if (t->index != 0)
1018 return -EINVAL;
1019
1020 cx88_set_stereo(core, t->audmode, 1);
1021 return 0;
1022}
1023
1024static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1025{
1026 struct cx8802_dev *dev = video_drvdata(file);
1027 struct cx88_core *core = dev->core;
1028
1029 *tvnorm = core->tvnorm;
1030 return 0;
1031}
1032
1033static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1034{
1035 struct cx8802_dev *dev = video_drvdata(file);
1036 struct cx88_core *core = dev->core;
1037
1038 return cx88_set_tvnorm(core, id);
1039}
1040
1041static const struct v4l2_file_operations mpeg_fops = {
1042 .owner = THIS_MODULE,
1043 .open = v4l2_fh_open,
1044 .release = vb2_fop_release,
1045 .read = vb2_fop_read,
1046 .poll = vb2_fop_poll,
1047 .mmap = vb2_fop_mmap,
1048 .unlocked_ioctl = video_ioctl2,
1049};
1050
1051static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1052 .vidioc_querycap = vidioc_querycap,
1053 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1054 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1055 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1056 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1057 .vidioc_reqbufs = vb2_ioctl_reqbufs,
1058 .vidioc_querybuf = vb2_ioctl_querybuf,
1059 .vidioc_qbuf = vb2_ioctl_qbuf,
1060 .vidioc_dqbuf = vb2_ioctl_dqbuf,
1061 .vidioc_streamon = vb2_ioctl_streamon,
1062 .vidioc_streamoff = vb2_ioctl_streamoff,
1063 .vidioc_s_frequency = vidioc_s_frequency,
1064 .vidioc_log_status = vidioc_log_status,
1065 .vidioc_enum_input = vidioc_enum_input,
1066 .vidioc_g_frequency = vidioc_g_frequency,
1067 .vidioc_g_input = vidioc_g_input,
1068 .vidioc_s_input = vidioc_s_input,
1069 .vidioc_g_tuner = vidioc_g_tuner,
1070 .vidioc_s_tuner = vidioc_s_tuner,
1071 .vidioc_g_std = vidioc_g_std,
1072 .vidioc_s_std = vidioc_s_std,
1073 .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
1074 .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
1075};
1076
1077static const struct video_device cx8802_mpeg_template = {
1078 .name = "cx8802",
1079 .fops = &mpeg_fops,
1080 .ioctl_ops = &mpeg_ioctl_ops,
1081 .tvnorms = CX88_NORMS,
1082};
1083
1084
1085
1086
1087static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1088{
1089 struct cx88_core *core = drv->core;
1090 int err = 0;
1091
1092 switch (core->boardnr) {
1093 case CX88_BOARD_HAUPPAUGE_HVR1300:
1094
1095
1096
1097
1098
1099
1100
1101
1102 cx_set(MO_GP0_IO, 0x00000080);
1103 udelay(1000);
1104 cx_clear(MO_GP0_IO, 0x00000080);
1105 udelay(50);
1106 cx_set(MO_GP0_IO, 0x00000080);
1107 udelay(1000);
1108
1109 cx_set(MO_GP0_IO, 0x00000004);
1110 udelay(1000);
1111 break;
1112 default:
1113 err = -ENODEV;
1114 }
1115 return err;
1116}
1117
1118
1119static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1120{
1121 struct cx88_core *core = drv->core;
1122 int err = 0;
1123
1124 switch (core->boardnr) {
1125 case CX88_BOARD_HAUPPAUGE_HVR1300:
1126
1127 break;
1128 default:
1129 err = -ENODEV;
1130 }
1131 return err;
1132}
1133
1134static void blackbird_unregister_video(struct cx8802_dev *dev)
1135{
1136 video_unregister_device(&dev->mpeg_dev);
1137}
1138
1139static int blackbird_register_video(struct cx8802_dev *dev)
1140{
1141 int err;
1142
1143 cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1144 &cx8802_mpeg_template, "mpeg");
1145 dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1146 video_set_drvdata(&dev->mpeg_dev, dev);
1147 dev->mpeg_dev.queue = &dev->vb2_mpegq;
1148 err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
1149 if (err < 0) {
1150 pr_info("can't register mpeg device\n");
1151 return err;
1152 }
1153 pr_info("registered device %s [mpeg]\n",
1154 video_device_node_name(&dev->mpeg_dev));
1155 return 0;
1156}
1157
1158
1159
1160static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1161{
1162 struct cx88_core *core = drv->core;
1163 struct cx8802_dev *dev = core->dvbdev;
1164 struct vb2_queue *q;
1165 int err;
1166
1167 dprintk(1, "%s\n", __func__);
1168 dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1169 core->boardnr,
1170 core->name,
1171 core->pci_bus,
1172 core->pci_slot);
1173
1174 err = -ENODEV;
1175 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1176 goto fail_core;
1177
1178 dev->cxhdl.port = CX2341X_PORT_STREAMING;
1179 dev->cxhdl.width = core->width;
1180 dev->cxhdl.height = core->height;
1181 dev->cxhdl.func = blackbird_mbox_func;
1182 dev->cxhdl.priv = dev;
1183 err = cx2341x_handler_init(&dev->cxhdl, 36);
1184 if (err)
1185 goto fail_core;
1186 v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1187
1188
1189 pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1190 host_setup(dev->core);
1191
1192 blackbird_initialize_codec(dev);
1193
1194
1195
1196 cx88_set_tvnorm(core, core->tvnorm);
1197 cx88_video_mux(core, 0);
1198 cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1199 cx2341x_handler_setup(&dev->cxhdl);
1200
1201 q = &dev->vb2_mpegq;
1202 q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1203 q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1204 q->gfp_flags = GFP_DMA32;
1205 q->min_buffers_needed = 2;
1206 q->drv_priv = dev;
1207 q->buf_struct_size = sizeof(struct cx88_buffer);
1208 q->ops = &blackbird_qops;
1209 q->mem_ops = &vb2_dma_sg_memops;
1210 q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1211 q->lock = &core->lock;
1212 q->dev = &dev->pci->dev;
1213
1214 err = vb2_queue_init(q);
1215 if (err < 0)
1216 goto fail_core;
1217
1218 blackbird_register_video(dev);
1219
1220 return 0;
1221
1222fail_core:
1223 return err;
1224}
1225
1226static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1227{
1228 struct cx88_core *core = drv->core;
1229 struct cx8802_dev *dev = core->dvbdev;
1230
1231
1232 blackbird_unregister_video(drv->core->dvbdev);
1233 v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1234
1235 return 0;
1236}
1237
1238static struct cx8802_driver cx8802_blackbird_driver = {
1239 .type_id = CX88_MPEG_BLACKBIRD,
1240 .hw_access = CX8802_DRVCTL_SHARED,
1241 .probe = cx8802_blackbird_probe,
1242 .remove = cx8802_blackbird_remove,
1243 .advise_acquire = cx8802_blackbird_advise_acquire,
1244 .advise_release = cx8802_blackbird_advise_release,
1245};
1246
1247static int __init blackbird_init(void)
1248{
1249 pr_info("cx2388x blackbird driver version %s loaded\n",
1250 CX88_VERSION);
1251 return cx8802_register_driver(&cx8802_blackbird_driver);
1252}
1253
1254static void __exit blackbird_fini(void)
1255{
1256 cx8802_unregister_driver(&cx8802_blackbird_driver);
1257}
1258
1259module_init(blackbird_init);
1260module_exit(blackbird_fini);
1261
