3 * Support for a cx23416 mpeg encoder via cx2388x host port.
4 * "blackbird" reference design.
6 * (c) 2004 Jelle Foks <jelle@foks.8m.com>
7 * (c) 2004 Gerd Knorr <kraxel@bytesex.org>
9 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
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.
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.
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.
26 #include <linux/module.h>
27 #include <linux/moduleparam.h>
28 #include <linux/init.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>
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");
42 static unsigned int mpegbufs = 32;
43 module_param(mpegbufs,int,0644);
44 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
46 static unsigned int debug = 0;
47 module_param(debug,int,0644);
48 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
50 #define dprintk(level,fmt, arg...) if (debug >= level) \
51 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
54 /* ------------------------------------------------------------------ */
56 #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
58 /* defines below are from ivtv-driver.h */
60 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
62 /* Firmware API commands */
63 #define IVTV_API_STD_TIMEOUT 500
65 enum blackbird_capture_type {
66 BLACKBIRD_MPEG_CAPTURE,
67 BLACKBIRD_RAW_CAPTURE,
68 BLACKBIRD_RAW_PASSTHRU_CAPTURE
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
78 enum blackbird_capture_end {
79 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
80 BLACKBIRD_END_NOW, /* stop immediately, no irq */
82 enum blackbird_framerate {
83 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
84 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
86 enum blackbird_stream_port {
87 BLACKBIRD_OUTPUT_PORT_MEMORY,
88 BLACKBIRD_OUTPUT_PORT_STREAMING,
89 BLACKBIRD_OUTPUT_PORT_SERIAL
91 enum blackbird_data_xfer_status {
92 BLACKBIRD_MORE_BUFFERS_FOLLOW,
93 BLACKBIRD_LAST_BUFFER,
95 enum blackbird_picture_mask {
96 BLACKBIRD_PICTURE_MASK_NONE,
97 BLACKBIRD_PICTURE_MASK_I_FRAMES,
98 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
99 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
101 enum blackbird_vbi_mode_bits {
102 BLACKBIRD_VBI_BITS_SLICED,
103 BLACKBIRD_VBI_BITS_RAW,
105 enum blackbird_vbi_insertion_bits {
106 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
107 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
108 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
109 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
110 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
112 enum blackbird_dma_unit {
114 BLACKBIRD_DMA_FRAMES,
116 enum blackbird_dma_transfer_status_bits {
117 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
118 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
119 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
121 enum blackbird_pause {
122 BLACKBIRD_PAUSE_ENCODING,
123 BLACKBIRD_RESUME_ENCODING,
125 enum blackbird_copyright {
126 BLACKBIRD_COPYRIGHT_OFF,
127 BLACKBIRD_COPYRIGHT_ON,
129 enum blackbird_notification_type {
130 BLACKBIRD_NOTIFICATION_REFRESH,
132 enum blackbird_notification_status {
133 BLACKBIRD_NOTIFICATION_OFF,
134 BLACKBIRD_NOTIFICATION_ON,
136 enum blackbird_notification_mailbox {
137 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
139 enum blackbird_field1_lines {
140 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
141 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
142 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
144 enum blackbird_field2_lines {
145 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
146 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
147 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
149 enum blackbird_custom_data_type {
150 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
151 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
153 enum blackbird_mute {
157 enum blackbird_mute_video_mask {
158 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
159 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
160 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
162 enum blackbird_mute_video_shift {
163 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
164 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
165 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
169 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
170 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
171 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
172 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
176 /* ------------------------------------------------------------------ */
178 static void host_setup(struct cx88_core *core)
180 /* toggle reset of the host */
181 cx_write(MO_GPHST_SOFT_RST, 1);
183 cx_write(MO_GPHST_SOFT_RST, 0);
186 /* host port setup */
187 cx_write(MO_GPHST_WSC, 0x44444444U);
188 cx_write(MO_GPHST_XFR, 0);
189 cx_write(MO_GPHST_WDTH, 15);
190 cx_write(MO_GPHST_HDSHK, 0);
191 cx_write(MO_GPHST_MUX16, 0x44448888U);
192 cx_write(MO_GPHST_MODE, 0);
195 /* ------------------------------------------------------------------ */
197 #define P1_MDATA0 0x390000
198 #define P1_MDATA1 0x390001
199 #define P1_MDATA2 0x390002
200 #define P1_MDATA3 0x390003
201 #define P1_MADDR2 0x390004
202 #define P1_MADDR1 0x390005
203 #define P1_MADDR0 0x390006
204 #define P1_RDATA0 0x390008
205 #define P1_RDATA1 0x390009
206 #define P1_RDATA2 0x39000A
207 #define P1_RDATA3 0x39000B
208 #define P1_RADDR0 0x39000C
209 #define P1_RADDR1 0x39000D
210 #define P1_RRDWR 0x39000E
212 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
214 unsigned long timeout = jiffies + msecs_to_jiffies(1);
217 need = state ? 2 : 0;
219 gpio0 = cx_read(MO_GP0_IO) & 2;
222 if (time_after(jiffies,timeout))
228 static int memory_write(struct cx88_core *core, u32 address, u32 value)
230 /* Warning: address is dword address (4 bytes) */
231 cx_writeb(P1_MDATA0, (unsigned int)value);
232 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
233 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
234 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
235 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
236 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
237 cx_writeb(P1_MADDR0, (unsigned int)address);
241 return wait_ready_gpio0_bit1(core,1);
244 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
249 /* Warning: address is dword address (4 bytes) */
250 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
251 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
252 cx_writeb(P1_MADDR0, (unsigned int)address);
255 retval = wait_ready_gpio0_bit1(core,1);
257 cx_writeb(P1_MDATA3, 0);
258 val = (unsigned char)cx_read(P1_MDATA3) << 24;
259 cx_writeb(P1_MDATA2, 0);
260 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
261 cx_writeb(P1_MDATA1, 0);
262 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
263 cx_writeb(P1_MDATA0, 0);
264 val |= (unsigned char)cx_read(P1_MDATA0);
270 static int register_write(struct cx88_core *core, u32 address, u32 value)
272 cx_writeb(P1_RDATA0, (unsigned int)value);
273 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
274 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
275 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
276 cx_writeb(P1_RADDR0, (unsigned int)address);
277 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
278 cx_writeb(P1_RRDWR, 1);
282 return wait_ready_gpio0_bit1(core,1);
286 static int register_read(struct cx88_core *core, u32 address, u32 *value)
291 cx_writeb(P1_RADDR0, (unsigned int)address);
292 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
293 cx_writeb(P1_RRDWR, 0);
296 retval = wait_ready_gpio0_bit1(core,1);
297 val = (unsigned char)cx_read(P1_RDATA0);
298 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
299 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
300 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
306 /* ------------------------------------------------------------------ */
308 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
310 struct cx8802_dev *dev = priv;
311 unsigned long timeout;
312 u32 value, flag, retval;
315 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
317 /* this may not be 100% safe if we can't read any memory location
318 without side effects */
319 memory_read(dev->core, dev->mailbox - 4, &value);
320 if (value != 0x12345678) {
321 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
325 memory_read(dev->core, dev->mailbox, &flag);
327 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
331 flag |= 1; /* tell 'em we're working on it */
332 memory_write(dev->core, dev->mailbox, flag);
334 /* write command + args + fill remaining with zeros */
335 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
336 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
337 for (i = 0; i < in; i++) {
338 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
339 dprintk(1, "API Input %d = %d\n", i, data[i]);
341 for (; i < CX2341X_MBOX_MAX_DATA; i++)
342 memory_write(dev->core, dev->mailbox + 4 + i, 0);
344 flag |= 3; /* tell 'em we're done writing */
345 memory_write(dev->core, dev->mailbox, flag);
347 /* wait for firmware to handle the API command */
348 timeout = jiffies + msecs_to_jiffies(10);
350 memory_read(dev->core, dev->mailbox, &flag);
353 if (time_after(jiffies,timeout)) {
354 dprintk(0, "ERROR: API Mailbox timeout\n");
360 /* read output values */
361 for (i = 0; i < out; i++) {
362 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
363 dprintk(1, "API Output %d = %d\n", i, data[i]);
366 memory_read(dev->core, dev->mailbox + 2, &retval);
367 dprintk(1, "API result = %d\n",retval);
370 memory_write(dev->core, dev->mailbox, flag);
373 /* ------------------------------------------------------------------ */
375 /* We don't need to call the API often, so using just one mailbox will probably suffice */
376 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
377 u32 inputcnt, u32 outputcnt, ...)
379 u32 data[CX2341X_MBOX_MAX_DATA];
383 va_start(vargs, outputcnt);
385 for (i = 0; i < inputcnt; i++) {
386 data[i] = va_arg(vargs, int);
388 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
389 for (i = 0; i < outputcnt; i++) {
390 int *vptr = va_arg(vargs, int *);
397 static int blackbird_find_mailbox(struct cx8802_dev *dev)
399 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
404 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
405 memory_read(dev->core, i, &value);
406 if (value == signature[signaturecnt])
410 if (4 == signaturecnt) {
411 dprintk(1, "Mailbox signature found\n");
415 dprintk(0, "Mailbox signature values not found!\n");
419 static int blackbird_load_firmware(struct cx8802_dev *dev)
421 static const unsigned char magic[8] = {
422 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
424 const struct firmware *firmware;
430 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
431 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
432 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
433 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
435 retval |= register_write(dev->core, IVTV_REG_APU, 0);
438 dprintk(0, "Error with register_write\n");
440 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
445 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
446 CX2341X_FIRM_ENC_FILENAME);
447 dprintk(0, "Please fix your hotplug setup, the board will "
448 "not work without firmware loaded!\n");
452 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
453 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
454 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
455 release_firmware(firmware);
459 if (0 != memcmp(firmware->data, magic, 8)) {
460 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
461 release_firmware(firmware);
465 /* transfer to the chip */
466 dprintk(1,"Loading firmware ...\n");
467 dataptr = (u32*)firmware->data;
468 for (i = 0; i < (firmware->size >> 2); i++) {
471 memory_write(dev->core, i, value);
475 /* read back to verify with the checksum */
476 for (i--; i >= 0; i--) {
477 memory_read(dev->core, i, &value);
481 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
482 release_firmware(firmware);
485 release_firmware(firmware);
486 dprintk(0, "Firmware upload successful.\n");
488 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
489 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
490 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
493 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
494 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
497 dprintk(0, "Error with register_write\n");
502 Settings used by the windows tv app for PVR2000:
503 =================================================================================================================
504 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
505 -----------------------------------------------------------------------------------------------------------------
506 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
507 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
508 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
509 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511 =================================================================================================================
515 static void blackbird_codec_settings(struct cx8802_dev *dev)
517 /* assign frame size */
518 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
519 dev->height, dev->width);
521 dev->params.width = dev->width;
522 dev->params.height = dev->height;
523 dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0;
525 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
528 static struct v4l2_mpeg_compression default_mpeg_params = {
529 .st_type = V4L2_MPEG_PS_2,
531 .mode = V4L2_BITRATE_CBR,
541 .au_type = V4L2_MPEG_AU_2_II,
543 .mode = V4L2_BITRATE_CBR,
548 .au_sample_rate = 48000,
550 .vi_type = V4L2_MPEG_VI_2,
551 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
553 .mode = V4L2_BITRATE_CBR,
559 .vi_frames_per_gop = 12,
560 .vi_bframes_count = 2,
566 static int blackbird_initialize_codec(struct cx8802_dev *dev)
568 struct cx88_core *core = dev->core;
572 dprintk(1,"Initialize codec\n");
573 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
575 /* ping was not successful, reset and upload firmware */
576 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
578 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
580 retval = blackbird_load_firmware(dev);
584 dev->mailbox = blackbird_find_mailbox(dev);
585 if (dev->mailbox < 0)
588 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
590 dprintk(0, "ERROR: Firmware ping failed!\n");
594 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
596 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
599 dprintk(0, "Firmware version is 0x%08x\n", version);
603 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
604 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
605 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
606 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
608 blackbird_codec_settings(dev);
611 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
612 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
613 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
614 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
615 BLACKBIRD_FIELD1_SAA7115,
616 BLACKBIRD_FIELD2_SAA7115
619 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
620 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
621 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
622 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
624 /* initialize the video input */
625 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
629 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
631 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
634 /* start capturing to the host interface */
635 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
636 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
637 BLACKBIRD_MPEG_CAPTURE,
638 BLACKBIRD_RAW_BITS_NONE
642 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
646 /* ------------------------------------------------------------------ */
648 static int bb_buf_setup(struct videobuf_queue *q,
649 unsigned int *count, unsigned int *size)
651 struct cx8802_fh *fh = q->priv_data;
653 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
654 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
656 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
657 *count = fh->dev->ts_packet_count;
662 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
663 enum v4l2_field field)
665 struct cx8802_fh *fh = q->priv_data;
666 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
670 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
672 struct cx8802_fh *fh = q->priv_data;
673 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
677 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
679 cx88_free_buffer(q, (struct cx88_buffer*)vb);
682 static struct videobuf_queue_ops blackbird_qops = {
683 .buf_setup = bb_buf_setup,
684 .buf_prepare = bb_buf_prepare,
685 .buf_queue = bb_buf_queue,
686 .buf_release = bb_buf_release,
689 /* ------------------------------------------------------------------ */
691 static const u32 *ctrl_classes[] = {
697 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
699 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
703 /* Standard V4L2 controls */
704 if (cx8800_ctrl_query(qctrl) == 0)
707 /* MPEG V4L2 controls */
708 if (cx2341x_ctrl_query(&dev->params, qctrl))
709 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
713 static int blackbird_querymenu(struct cx8802_dev *dev, struct v4l2_querymenu *qmenu)
715 struct v4l2_queryctrl qctrl;
717 qctrl.id = qmenu->id;
718 blackbird_queryctrl(dev, &qctrl);
719 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
722 /* ------------------------------------------------------------------ */
724 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
725 unsigned int cmd, void *arg)
727 struct cx8802_fh *fh = file->private_data;
728 struct cx8802_dev *dev = fh->dev;
729 struct cx88_core *core = dev->core;
732 v4l_print_ioctl(core->name,cmd);
736 /* --- capabilities ------------------------------------------ */
737 case VIDIOC_QUERYCAP:
739 struct v4l2_capability *cap = arg;
741 memset(cap,0,sizeof(*cap));
742 strcpy(cap->driver, "cx88_blackbird");
743 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
744 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
745 cap->version = CX88_VERSION_CODE;
747 V4L2_CAP_VIDEO_CAPTURE |
751 if (UNSET != core->tuner_type)
752 cap->capabilities |= V4L2_CAP_TUNER;
757 /* --- capture ioctls ---------------------------------------- */
758 case VIDIOC_ENUM_FMT:
760 struct v4l2_fmtdesc *f = arg;
767 memset(f,0,sizeof(*f));
769 strlcpy(f->description, "MPEG", sizeof(f->description));
770 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
771 f->pixelformat = V4L2_PIX_FMT_MPEG;
776 struct v4l2_format *f = arg;
778 memset(f,0,sizeof(*f));
779 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
780 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
781 f->fmt.pix.bytesperline = 0;
782 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
783 f->fmt.pix.colorspace = 0;
784 f->fmt.pix.width = dev->width;
785 f->fmt.pix.height = dev->height;
786 f->fmt.pix.field = fh->mpegq.field;
787 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
788 dev->width, dev->height, fh->mpegq.field );
793 struct v4l2_format *f = arg;
795 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
796 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
797 f->fmt.pix.bytesperline = 0;
798 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
799 f->fmt.pix.colorspace = 0;
800 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
801 dev->width, dev->height, fh->mpegq.field );
806 struct v4l2_format *f = arg;
808 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
809 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
810 f->fmt.pix.bytesperline = 0;
811 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
812 f->fmt.pix.colorspace = 0;
813 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
814 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
818 /* --- streaming capture ------------------------------------- */
820 return videobuf_reqbufs(&fh->mpegq, arg);
822 case VIDIOC_QUERYBUF:
823 return videobuf_querybuf(&fh->mpegq, arg);
826 return videobuf_qbuf(&fh->mpegq, arg);
829 return videobuf_dqbuf(&fh->mpegq, arg,
830 file->f_flags & O_NONBLOCK);
832 case VIDIOC_STREAMON:
833 return videobuf_streamon(&fh->mpegq);
835 case VIDIOC_STREAMOFF:
836 return videobuf_streamoff(&fh->mpegq);
838 /* --- mpeg compression -------------------------------------- */
839 case VIDIOC_G_MPEGCOMP:
841 struct v4l2_mpeg_compression *f = arg;
843 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
844 "Replace with VIDIOC_G_EXT_CTRLS!");
845 memcpy(f,&default_mpeg_params,sizeof(*f));
848 case VIDIOC_S_MPEGCOMP:
849 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
850 "Replace with VIDIOC_S_EXT_CTRLS!");
852 case VIDIOC_G_EXT_CTRLS:
854 struct v4l2_ext_controls *f = arg;
856 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
858 return cx2341x_ext_ctrls(&dev->params, f, cmd);
860 case VIDIOC_S_EXT_CTRLS:
861 case VIDIOC_TRY_EXT_CTRLS:
863 struct v4l2_ext_controls *f = arg;
864 struct cx2341x_mpeg_params p;
867 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
870 err = cx2341x_ext_ctrls(&p, f, cmd);
871 if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
872 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
877 case VIDIOC_S_FREQUENCY:
879 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
881 BLACKBIRD_MPEG_CAPTURE,
882 BLACKBIRD_RAW_BITS_NONE);
884 cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
886 blackbird_initialize_codec(dev);
887 cx88_set_scale(dev->core, dev->width, dev->height,
891 case VIDIOC_LOG_STATUS:
895 snprintf(name, sizeof(name), "%s/2", core->name);
896 printk("%s/2: ============ START LOG STATUS ============\n",
898 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
899 cx2341x_log_status(&dev->params, name);
900 printk("%s/2: ============= END LOG STATUS =============\n",
904 case VIDIOC_QUERYMENU:
905 return blackbird_querymenu(dev, arg);
906 case VIDIOC_QUERYCTRL:
908 struct v4l2_queryctrl *c = arg;
910 if (blackbird_queryctrl(dev, c) == 0)
912 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
916 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook);
921 int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
922 unsigned int cmd, void *arg);
923 unsigned int (*cx88_ioctl_translator)(unsigned int cmd);
925 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
930 static int mpeg_ioctl(struct inode *inode, struct file *file,
931 unsigned int cmd, unsigned long arg)
933 cmd = cx88_ioctl_translator( cmd );
934 return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
937 static int mpeg_open(struct inode *inode, struct file *file)
939 int minor = iminor(inode);
940 struct cx8802_dev *dev = NULL;
941 struct cx8802_fh *fh;
942 struct cx8802_driver *drv = NULL;
945 dev = cx8802_get_device(inode);
947 dprintk( 1, "%s\n", __FUNCTION__);
952 /* Make sure we can acquire the hardware */
953 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
955 err = drv->request_acquire(drv);
957 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
962 if (blackbird_initialize_codec(dev) < 0) {
964 drv->request_release(drv);
967 dprintk(1,"open minor=%d\n",minor);
969 /* allocate + initialize per filehandle data */
970 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
973 drv->request_release(drv);
976 file->private_data = fh;
979 videobuf_queue_init(&fh->mpegq, &blackbird_qops,
980 dev->pci, &dev->slock,
981 V4L2_BUF_TYPE_VIDEO_CAPTURE,
982 V4L2_FIELD_INTERLACED,
983 sizeof(struct cx88_buffer),
986 /* FIXME: locking against other video device */
987 cx88_set_scale(dev->core, dev->width, dev->height,
993 static int mpeg_release(struct inode *inode, struct file *file)
995 struct cx8802_fh *fh = file->private_data;
996 struct cx8802_dev *dev = NULL;
997 struct cx8802_driver *drv = NULL;
999 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
1000 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
1002 BLACKBIRD_MPEG_CAPTURE,
1003 BLACKBIRD_RAW_BITS_NONE
1006 cx8802_cancel_buffers(fh->dev);
1007 /* stop mpeg capture */
1008 if (fh->mpegq.streaming)
1009 videobuf_streamoff(&fh->mpegq);
1010 if (fh->mpegq.reading)
1011 videobuf_read_stop(&fh->mpegq);
1013 videobuf_mmap_free(&fh->mpegq);
1014 file->private_data = NULL;
1017 /* Make sure we release the hardware */
1018 dev = cx8802_get_device(inode);
1022 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1024 drv->request_release(drv);
1030 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1032 struct cx8802_fh *fh = file->private_data;
1034 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1035 file->f_flags & O_NONBLOCK);
1039 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1041 struct cx8802_fh *fh = file->private_data;
1043 return videobuf_poll_stream(file, &fh->mpegq, wait);
1047 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1049 struct cx8802_fh *fh = file->private_data;
1051 return videobuf_mmap_mapper(&fh->mpegq, vma);
1054 static struct file_operations mpeg_fops =
1056 .owner = THIS_MODULE,
1058 .release = mpeg_release,
1062 .ioctl = mpeg_ioctl,
1063 .llseek = no_llseek,
1066 static struct video_device cx8802_mpeg_template =
1069 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1075 /* ------------------------------------------------------------------ */
1077 /* The CX8802 MPEG API will call this when we can use the hardware */
1078 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1080 struct cx88_core *core = drv->core;
1083 switch (core->board) {
1084 case CX88_BOARD_HAUPPAUGE_HVR1300:
1085 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1086 * We left the hardware on power up with the cx22702 active.
1087 * We're being given access to re-arrange the GPIOs.
1088 * Take the bus off the cx22702 and put the cx23416 on it.
1090 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1091 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
1099 /* The CX8802 MPEG API will call this when we need to release the hardware */
1100 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1102 struct cx88_core *core = drv->core;
1105 switch (core->board) {
1106 case CX88_BOARD_HAUPPAUGE_HVR1300:
1107 /* Exit leaving the cx23416 on the bus */
1115 static void blackbird_unregister_video(struct cx8802_dev *dev)
1117 if (dev->mpeg_dev) {
1118 if (-1 != dev->mpeg_dev->minor)
1119 video_unregister_device(dev->mpeg_dev);
1121 video_device_release(dev->mpeg_dev);
1122 dev->mpeg_dev = NULL;
1126 static int blackbird_register_video(struct cx8802_dev *dev)
1130 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1131 &cx8802_mpeg_template,"mpeg");
1132 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1134 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1138 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1139 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1143 /* ----------------------------------------------------------- */
1145 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1147 struct cx88_core *core = drv->core;
1148 struct cx8802_dev *dev = core->dvbdev;
1151 dprintk( 1, "%s\n", __FUNCTION__);
1152 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1159 if (!(cx88_boards[core->board].mpeg & CX88_MPEG_BLACKBIRD))
1164 cx2341x_fill_defaults(&dev->params);
1165 dev->params.port = CX2341X_PORT_STREAMING;
1167 if (core->tvnorm->id & V4L2_STD_525_60) {
1173 /* blackbird stuff */
1174 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1176 host_setup(dev->core);
1178 blackbird_register_video(dev);
1180 /* initial device configuration: needed ? */
1188 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1191 blackbird_unregister_video(drv->core->dvbdev);
1196 static struct cx8802_driver cx8802_blackbird_driver = {
1197 .type_id = CX88_MPEG_BLACKBIRD,
1198 .hw_access = CX8802_DRVCTL_SHARED,
1199 .probe = cx8802_blackbird_probe,
1200 .remove = cx8802_blackbird_remove,
1201 .advise_acquire = cx8802_blackbird_advise_acquire,
1202 .advise_release = cx8802_blackbird_advise_release,
1205 static int blackbird_init(void)
1207 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1208 (CX88_VERSION_CODE >> 16) & 0xff,
1209 (CX88_VERSION_CODE >> 8) & 0xff,
1210 CX88_VERSION_CODE & 0xff);
1212 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1213 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1215 cx88_ioctl_hook = mpeg_do_ioctl;
1216 cx88_ioctl_translator = mpeg_translate_ioctl;
1217 return cx8802_register_driver(&cx8802_blackbird_driver);
1220 static void blackbird_fini(void)
1222 cx8802_unregister_driver(&cx8802_blackbird_driver);
1225 module_init(blackbird_init);
1226 module_exit(blackbird_fini);
1228 EXPORT_SYMBOL(cx88_ioctl_hook);
1229 EXPORT_SYMBOL(cx88_ioctl_translator);
1231 /* ----------------------------------------------------------- */
1236 * 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