Linux-libre 4.14.69-gnu
[librecmc/linux-libre.git] / drivers / media / pci / cx88 / cx88-blackbird.c
1 /*
2  *  Support for a cx23416 mpeg encoder via cx2388x host port.
3  *  "blackbird" reference design.
4  *
5  *    (c) 2004 Jelle Foks <jelle@foks.us>
6  *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
7  *
8  *    (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
9  *        - video_ioctl2 conversion
10  *
11  *  Includes parts from the ivtv driver <http://sourceforge.net/projects/ivtv/>
12  *
13  *  This program is free software; you can redistribute it and/or modify
14  *  it under the terms of the GNU General Public License as published by
15  *  the Free Software Foundation; either version 2 of the License, or
16  *  (at your option) any later version.
17  *
18  *  This program is distributed in the hope that it will be useful,
19  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
20  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21  *  GNU General Public License for more details.
22  */
23
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
38 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
39 MODULE_AUTHOR("Jelle Foks <jelle@foks.us>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
40 MODULE_LICENSE("GPL");
41 MODULE_VERSION(CX88_VERSION);
42
43 static unsigned int debug;
44 module_param(debug, int, 0644);
45 MODULE_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 /* defines below are from ivtv-driver.h */
58
59 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
60
61 /* Firmware API commands */
62 #define IVTV_API_STD_TIMEOUT 500
63
64 enum blackbird_capture_type {
65         BLACKBIRD_MPEG_CAPTURE,
66         BLACKBIRD_RAW_CAPTURE,
67         BLACKBIRD_RAW_PASSTHRU_CAPTURE
68 };
69
70 enum 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
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
84 enum blackbird_framerate {
85         BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
86         BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
87 };
88
89 enum blackbird_stream_port {
90         BLACKBIRD_OUTPUT_PORT_MEMORY,
91         BLACKBIRD_OUTPUT_PORT_STREAMING,
92         BLACKBIRD_OUTPUT_PORT_SERIAL
93 };
94
95 enum blackbird_data_xfer_status {
96         BLACKBIRD_MORE_BUFFERS_FOLLOW,
97         BLACKBIRD_LAST_BUFFER,
98 };
99
100 enum 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
107 enum blackbird_vbi_mode_bits {
108         BLACKBIRD_VBI_BITS_SLICED,
109         BLACKBIRD_VBI_BITS_RAW,
110 };
111
112 enum 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
120 enum blackbird_dma_unit {
121         BLACKBIRD_DMA_BYTES,
122         BLACKBIRD_DMA_FRAMES,
123 };
124
125 enum 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
131 enum blackbird_pause {
132         BLACKBIRD_PAUSE_ENCODING,
133         BLACKBIRD_RESUME_ENCODING,
134 };
135
136 enum blackbird_copyright {
137         BLACKBIRD_COPYRIGHT_OFF,
138         BLACKBIRD_COPYRIGHT_ON,
139 };
140
141 enum blackbird_notification_type {
142         BLACKBIRD_NOTIFICATION_REFRESH,
143 };
144
145 enum blackbird_notification_status {
146         BLACKBIRD_NOTIFICATION_OFF,
147         BLACKBIRD_NOTIFICATION_ON,
148 };
149
150 enum blackbird_notification_mailbox {
151         BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
152 };
153
154 enum blackbird_field1_lines {
155         BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
156         BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
157         BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
158 };
159
160 enum blackbird_field2_lines {
161         BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
162         BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
163         BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
164 };
165
166 enum blackbird_custom_data_type {
167         BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
168         BLACKBIRD_CUSTOM_PRIVATE_PACKET,
169 };
170
171 enum blackbird_mute {
172         BLACKBIRD_UNMUTE,
173         BLACKBIRD_MUTE,
174 };
175
176 enum 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
182 enum 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 /* Registers */
189 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
190 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
191 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
192 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
193 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
194 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
195
196 /* ------------------------------------------------------------------ */
197
198 static void host_setup(struct cx88_core *core)
199 {
200         /* toggle reset of the host */
201         cx_write(MO_GPHST_SOFT_RST, 1);
202         udelay(100);
203         cx_write(MO_GPHST_SOFT_RST, 0);
204         udelay(100);
205
206         /* host port setup */
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
232 static 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
248 static int memory_write(struct cx88_core *core, u32 address, u32 value)
249 {
250         /* Warning: address is dword address (4 bytes) */
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
264 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
265 {
266         int retval;
267         u32 val;
268
269         /* Warning: address is dword address (4 bytes) */
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
290 static 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
305 static 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
327 static 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          * this may not be 100% safe if we can't read any memory location
339          * without side effects
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; /* tell 'em we're working on it */
355         memory_write(dev->core, dev->mailbox, flag);
356
357         /* write command + args + fill remaining with zeros */
358         memory_write(dev->core, dev->mailbox + 1, command); /* command code */
359         /* timeout */
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; /* tell 'em we're done writing */
369         memory_write(dev->core, dev->mailbox, flag);
370
371         /* wait for firmware to handle the API command */
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         /* read output values */
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  * We don't need to call the API often, so using just one mailbox
402  * will probably suffice
403  */
404 static 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
425 static 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
447 static 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 = reject_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         /* transfer to the chip */
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         /* read back to verify with the checksum */
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
530 /*
531  * Settings used by the windows tv app for PVR2000:
532  * =================================================================================================================
533  * Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
534  * -----------------------------------------------------------------------------------------------------------------
535  * MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
536  * MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
537  * VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
538  * DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
539  * DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
540  * =================================================================================================================
541  * [*] DB: "DirectBurn"
542  */
543
544 static void blackbird_codec_settings(struct cx8802_dev *dev)
545 {
546         struct cx88_core *core = dev->core;
547
548         /* assign frame size */
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
559 static 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); /* ping */
567         if (retval < 0) {
568                 /* ping was not successful, reset and upload firmware */
569                 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
570                 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=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                 /* ping */
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); /* 656-8bit IO and enable MPEG parallel IO */
599         cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
600         cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
601         cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
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
615 static int blackbird_start_codec(struct cx8802_dev *dev)
616 {
617         struct cx88_core *core = dev->core;
618         /* start capturing to the host interface */
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         /* unmute audio source */
637         cx_clear(AUD_VOL_CTL, (1 << 6));
638
639         blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
640
641         /* initialize the video input */
642         blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
643
644         cx2341x_handler_set_busy(&dev->cxhdl, 1);
645
646         /* start capturing to the host interface */
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
653 static 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
667 static 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
680 static 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
689 static 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
701 static 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
710 static 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         /* Make sure we can acquire the hardware */
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
747 fail:
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
760 static 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         /* Make sure we release the hardware */
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
787 static 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
800 static 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         cx88_querycap(file, core, cap);
809         return 0;
810 }
811
812 static int vidioc_enum_fmt_vid_cap(struct file *file, void  *priv,
813                                    struct v4l2_fmtdesc *f)
814 {
815         if (f->index != 0)
816                 return -EINVAL;
817
818         strlcpy(f->description, "MPEG", sizeof(f->description));
819         f->pixelformat = V4L2_PIX_FMT_MPEG;
820         f->flags = V4L2_FMT_FLAG_COMPRESSED;
821         return 0;
822 }
823
824 static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
825                                 struct v4l2_format *f)
826 {
827         struct cx8802_dev *dev = video_drvdata(file);
828         struct cx88_core *core = dev->core;
829
830         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
831         f->fmt.pix.bytesperline = 0;
832         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
833         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
834         f->fmt.pix.width        = core->width;
835         f->fmt.pix.height       = core->height;
836         f->fmt.pix.field        = core->field;
837         return 0;
838 }
839
840 static int vidioc_try_fmt_vid_cap(struct file *file, void *priv,
841                                   struct v4l2_format *f)
842 {
843         struct cx8802_dev *dev = video_drvdata(file);
844         struct cx88_core *core = dev->core;
845         unsigned int maxw, maxh;
846         enum v4l2_field field;
847
848         f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
849         f->fmt.pix.bytesperline = 0;
850         f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count;
851         f->fmt.pix.colorspace   = V4L2_COLORSPACE_SMPTE170M;
852
853         maxw = norm_maxw(core->tvnorm);
854         maxh = norm_maxh(core->tvnorm);
855
856         field = f->fmt.pix.field;
857
858         switch (field) {
859         case V4L2_FIELD_TOP:
860         case V4L2_FIELD_BOTTOM:
861         case V4L2_FIELD_INTERLACED:
862         case V4L2_FIELD_SEQ_BT:
863         case V4L2_FIELD_SEQ_TB:
864                 break;
865         default:
866                 field = (f->fmt.pix.height > maxh / 2)
867                         ? V4L2_FIELD_INTERLACED
868                         : V4L2_FIELD_BOTTOM;
869                 break;
870         }
871         if (V4L2_FIELD_HAS_T_OR_B(field))
872                 maxh /= 2;
873
874         v4l_bound_align_image(&f->fmt.pix.width, 48, maxw, 2,
875                               &f->fmt.pix.height, 32, maxh, 0, 0);
876         f->fmt.pix.field = field;
877         return 0;
878 }
879
880 static int vidioc_s_fmt_vid_cap(struct file *file, void *priv,
881                                 struct v4l2_format *f)
882 {
883         struct cx8802_dev *dev = video_drvdata(file);
884         struct cx88_core  *core = dev->core;
885
886         if (vb2_is_busy(&dev->vb2_mpegq))
887                 return -EBUSY;
888         if (core->v4ldev && (vb2_is_busy(&core->v4ldev->vb2_vidq) ||
889                              vb2_is_busy(&core->v4ldev->vb2_vbiq)))
890                 return -EBUSY;
891         vidioc_try_fmt_vid_cap(file, priv, f);
892         core->width = f->fmt.pix.width;
893         core->height = f->fmt.pix.height;
894         core->field = f->fmt.pix.field;
895         cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height,
896                        f->fmt.pix.field);
897         blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
898                           f->fmt.pix.height, f->fmt.pix.width);
899         return 0;
900 }
901
902 static int vidioc_s_frequency(struct file *file, void *priv,
903                               const struct v4l2_frequency *f)
904 {
905         struct cx8802_dev *dev = video_drvdata(file);
906         struct cx88_core *core = dev->core;
907         bool streaming;
908
909         if (unlikely(core->board.tuner_type == UNSET))
910                 return -EINVAL;
911         if (unlikely(f->tuner != 0))
912                 return -EINVAL;
913         streaming = vb2_start_streaming_called(&dev->vb2_mpegq);
914         if (streaming)
915                 blackbird_stop_codec(dev);
916
917         cx88_set_freq(core, f);
918         blackbird_initialize_codec(dev);
919         cx88_set_scale(core, core->width, core->height, core->field);
920         if (streaming)
921                 blackbird_start_codec(dev);
922         return 0;
923 }
924
925 static int vidioc_log_status(struct file *file, void *priv)
926 {
927         struct cx8802_dev *dev = video_drvdata(file);
928         struct cx88_core *core = dev->core;
929         char name[32 + 2];
930
931         snprintf(name, sizeof(name), "%s/2", core->name);
932         call_all(core, core, log_status);
933         v4l2_ctrl_handler_log_status(&dev->cxhdl.hdl, name);
934         return 0;
935 }
936
937 static int vidioc_enum_input(struct file *file, void *priv,
938                              struct v4l2_input *i)
939 {
940         struct cx8802_dev *dev = video_drvdata(file);
941         struct cx88_core *core = dev->core;
942
943         return cx88_enum_input(core, i);
944 }
945
946 static int vidioc_g_frequency(struct file *file, void *priv,
947                               struct v4l2_frequency *f)
948 {
949         struct cx8802_dev *dev = video_drvdata(file);
950         struct cx88_core *core = dev->core;
951
952         if (unlikely(core->board.tuner_type == UNSET))
953                 return -EINVAL;
954         if (unlikely(f->tuner != 0))
955                 return -EINVAL;
956
957         f->frequency = core->freq;
958         call_all(core, tuner, g_frequency, f);
959
960         return 0;
961 }
962
963 static int vidioc_g_input(struct file *file, void *priv, unsigned int *i)
964 {
965         struct cx8802_dev *dev = video_drvdata(file);
966         struct cx88_core *core = dev->core;
967
968         *i = core->input;
969         return 0;
970 }
971
972 static int vidioc_s_input(struct file *file, void *priv, unsigned int i)
973 {
974         struct cx8802_dev *dev = video_drvdata(file);
975         struct cx88_core *core = dev->core;
976
977         if (i >= 4)
978                 return -EINVAL;
979         if (!INPUT(i).type)
980                 return -EINVAL;
981
982         cx88_newstation(core);
983         cx88_video_mux(core, i);
984         return 0;
985 }
986
987 static int vidioc_g_tuner(struct file *file, void *priv,
988                           struct v4l2_tuner *t)
989 {
990         struct cx8802_dev *dev = video_drvdata(file);
991         struct cx88_core *core = dev->core;
992         u32 reg;
993
994         if (unlikely(core->board.tuner_type == UNSET))
995                 return -EINVAL;
996         if (t->index != 0)
997                 return -EINVAL;
998
999         strcpy(t->name, "Television");
1000         t->capability = V4L2_TUNER_CAP_NORM;
1001         t->rangehigh  = 0xffffffffUL;
1002         call_all(core, tuner, g_tuner, t);
1003
1004         cx88_get_stereo(core, t);
1005         reg = cx_read(MO_DEVICE_STATUS);
1006         t->signal = (reg & (1 << 5)) ? 0xffff : 0x0000;
1007         return 0;
1008 }
1009
1010 static int vidioc_s_tuner(struct file *file, void *priv,
1011                           const struct v4l2_tuner *t)
1012 {
1013         struct cx8802_dev *dev = video_drvdata(file);
1014         struct cx88_core *core = dev->core;
1015
1016         if (core->board.tuner_type == UNSET)
1017                 return -EINVAL;
1018         if (t->index != 0)
1019                 return -EINVAL;
1020
1021         cx88_set_stereo(core, t->audmode, 1);
1022         return 0;
1023 }
1024
1025 static int vidioc_g_std(struct file *file, void *priv, v4l2_std_id *tvnorm)
1026 {
1027         struct cx8802_dev *dev = video_drvdata(file);
1028         struct cx88_core *core = dev->core;
1029
1030         *tvnorm = core->tvnorm;
1031         return 0;
1032 }
1033
1034 static int vidioc_s_std(struct file *file, void *priv, v4l2_std_id id)
1035 {
1036         struct cx8802_dev *dev = video_drvdata(file);
1037         struct cx88_core *core = dev->core;
1038
1039         return cx88_set_tvnorm(core, id);
1040 }
1041
1042 static const struct v4l2_file_operations mpeg_fops = {
1043         .owner         = THIS_MODULE,
1044         .open          = v4l2_fh_open,
1045         .release       = vb2_fop_release,
1046         .read          = vb2_fop_read,
1047         .poll          = vb2_fop_poll,
1048         .mmap          = vb2_fop_mmap,
1049         .unlocked_ioctl = video_ioctl2,
1050 };
1051
1052 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1053         .vidioc_querycap      = vidioc_querycap,
1054         .vidioc_enum_fmt_vid_cap  = vidioc_enum_fmt_vid_cap,
1055         .vidioc_g_fmt_vid_cap     = vidioc_g_fmt_vid_cap,
1056         .vidioc_try_fmt_vid_cap   = vidioc_try_fmt_vid_cap,
1057         .vidioc_s_fmt_vid_cap     = vidioc_s_fmt_vid_cap,
1058         .vidioc_reqbufs       = vb2_ioctl_reqbufs,
1059         .vidioc_querybuf      = vb2_ioctl_querybuf,
1060         .vidioc_qbuf          = vb2_ioctl_qbuf,
1061         .vidioc_dqbuf         = vb2_ioctl_dqbuf,
1062         .vidioc_streamon      = vb2_ioctl_streamon,
1063         .vidioc_streamoff     = vb2_ioctl_streamoff,
1064         .vidioc_s_frequency   = vidioc_s_frequency,
1065         .vidioc_log_status    = vidioc_log_status,
1066         .vidioc_enum_input    = vidioc_enum_input,
1067         .vidioc_g_frequency   = vidioc_g_frequency,
1068         .vidioc_g_input       = vidioc_g_input,
1069         .vidioc_s_input       = vidioc_s_input,
1070         .vidioc_g_tuner       = vidioc_g_tuner,
1071         .vidioc_s_tuner       = vidioc_s_tuner,
1072         .vidioc_g_std         = vidioc_g_std,
1073         .vidioc_s_std         = vidioc_s_std,
1074         .vidioc_subscribe_event      = v4l2_ctrl_subscribe_event,
1075         .vidioc_unsubscribe_event    = v4l2_event_unsubscribe,
1076 };
1077
1078 static const struct video_device cx8802_mpeg_template = {
1079         .name                 = "cx8802",
1080         .fops                 = &mpeg_fops,
1081         .ioctl_ops            = &mpeg_ioctl_ops,
1082         .tvnorms              = CX88_NORMS,
1083 };
1084
1085 /* ------------------------------------------------------------------ */
1086
1087 /* The CX8802 MPEG API will call this when we can use the hardware */
1088 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1089 {
1090         struct cx88_core *core = drv->core;
1091         int err = 0;
1092
1093         switch (core->boardnr) {
1094         case CX88_BOARD_HAUPPAUGE_HVR1300:
1095                 /*
1096                  * By default, core setup will leave the cx22702 out of reset,
1097                  * on the bus.
1098                  * We left the hardware on power up with the cx22702 active.
1099                  * We're being given access to re-arrange the GPIOs.
1100                  * Take the bus off the cx22702 and put the cx23416 on it.
1101                  */
1102                 /* Toggle reset on cx22702 leaving i2c active */
1103                 cx_set(MO_GP0_IO, 0x00000080);
1104                 udelay(1000);
1105                 cx_clear(MO_GP0_IO, 0x00000080);
1106                 udelay(50);
1107                 cx_set(MO_GP0_IO, 0x00000080);
1108                 udelay(1000);
1109                 /* tri-state the cx22702 pins */
1110                 cx_set(MO_GP0_IO, 0x00000004);
1111                 udelay(1000);
1112                 break;
1113         default:
1114                 err = -ENODEV;
1115         }
1116         return err;
1117 }
1118
1119 /* The CX8802 MPEG API will call this when we need to release the hardware */
1120 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1121 {
1122         struct cx88_core *core = drv->core;
1123         int err = 0;
1124
1125         switch (core->boardnr) {
1126         case CX88_BOARD_HAUPPAUGE_HVR1300:
1127                 /* Exit leaving the cx23416 on the bus */
1128                 break;
1129         default:
1130                 err = -ENODEV;
1131         }
1132         return err;
1133 }
1134
1135 static void blackbird_unregister_video(struct cx8802_dev *dev)
1136 {
1137         video_unregister_device(&dev->mpeg_dev);
1138 }
1139
1140 static int blackbird_register_video(struct cx8802_dev *dev)
1141 {
1142         int err;
1143
1144         cx88_vdev_init(dev->core, dev->pci, &dev->mpeg_dev,
1145                        &cx8802_mpeg_template, "mpeg");
1146         dev->mpeg_dev.ctrl_handler = &dev->cxhdl.hdl;
1147         video_set_drvdata(&dev->mpeg_dev, dev);
1148         dev->mpeg_dev.queue = &dev->vb2_mpegq;
1149         err = video_register_device(&dev->mpeg_dev, VFL_TYPE_GRABBER, -1);
1150         if (err < 0) {
1151                 pr_info("can't register mpeg device\n");
1152                 return err;
1153         }
1154         pr_info("registered device %s [mpeg]\n",
1155                 video_device_node_name(&dev->mpeg_dev));
1156         return 0;
1157 }
1158
1159 /* ----------------------------------------------------------- */
1160
1161 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1162 {
1163         struct cx88_core *core = drv->core;
1164         struct cx8802_dev *dev = core->dvbdev;
1165         struct vb2_queue *q;
1166         int err;
1167
1168         dprintk(1, "%s\n", __func__);
1169         dprintk(1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1170                 core->boardnr,
1171                 core->name,
1172                 core->pci_bus,
1173                 core->pci_slot);
1174
1175         err = -ENODEV;
1176         if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1177                 goto fail_core;
1178
1179         dev->cxhdl.port = CX2341X_PORT_STREAMING;
1180         dev->cxhdl.width = core->width;
1181         dev->cxhdl.height = core->height;
1182         dev->cxhdl.func = blackbird_mbox_func;
1183         dev->cxhdl.priv = dev;
1184         err = cx2341x_handler_init(&dev->cxhdl, 36);
1185         if (err)
1186                 goto fail_core;
1187         v4l2_ctrl_add_handler(&dev->cxhdl.hdl, &core->video_hdl, NULL);
1188
1189         /* blackbird stuff */
1190         pr_info("cx23416 based mpeg encoder (blackbird reference design)\n");
1191         host_setup(dev->core);
1192
1193         blackbird_initialize_codec(dev);
1194
1195         /* initial device configuration: needed ? */
1196 //      init_controls(core);
1197         cx88_set_tvnorm(core, core->tvnorm);
1198         cx88_video_mux(core, 0);
1199         cx2341x_handler_set_50hz(&dev->cxhdl, core->height == 576);
1200         cx2341x_handler_setup(&dev->cxhdl);
1201
1202         q = &dev->vb2_mpegq;
1203         q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
1204         q->io_modes = VB2_MMAP | VB2_USERPTR | VB2_DMABUF | VB2_READ;
1205         q->gfp_flags = GFP_DMA32;
1206         q->min_buffers_needed = 2;
1207         q->drv_priv = dev;
1208         q->buf_struct_size = sizeof(struct cx88_buffer);
1209         q->ops = &blackbird_qops;
1210         q->mem_ops = &vb2_dma_sg_memops;
1211         q->timestamp_flags = V4L2_BUF_FLAG_TIMESTAMP_MONOTONIC;
1212         q->lock = &core->lock;
1213         q->dev = &dev->pci->dev;
1214
1215         err = vb2_queue_init(q);
1216         if (err < 0)
1217                 goto fail_core;
1218
1219         blackbird_register_video(dev);
1220
1221         return 0;
1222
1223 fail_core:
1224         return err;
1225 }
1226
1227 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1228 {
1229         struct cx88_core *core = drv->core;
1230         struct cx8802_dev *dev = core->dvbdev;
1231
1232         /* blackbird */
1233         blackbird_unregister_video(drv->core->dvbdev);
1234         v4l2_ctrl_handler_free(&dev->cxhdl.hdl);
1235
1236         return 0;
1237 }
1238
1239 static struct cx8802_driver cx8802_blackbird_driver = {
1240         .type_id        = CX88_MPEG_BLACKBIRD,
1241         .hw_access      = CX8802_DRVCTL_SHARED,
1242         .probe          = cx8802_blackbird_probe,
1243         .remove         = cx8802_blackbird_remove,
1244         .advise_acquire = cx8802_blackbird_advise_acquire,
1245         .advise_release = cx8802_blackbird_advise_release,
1246 };
1247
1248 static int __init blackbird_init(void)
1249 {
1250         pr_info("cx2388x blackbird driver version %s loaded\n",
1251                 CX88_VERSION);
1252         return cx8802_register_driver(&cx8802_blackbird_driver);
1253 }
1254
1255 static void __exit blackbird_fini(void)
1256 {
1257         cx8802_unregister_driver(&cx8802_blackbird_driver);
1258 }
1259
1260 module_init(blackbird_init);
1261 module_exit(blackbird_fini);