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)
53 static LIST_HEAD(cx8802_devlist);
55 /* ------------------------------------------------------------------ */
57 #define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024
59 /* defines below are from ivtv-driver.h */
61 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
63 /* Firmware API commands */
64 #define IVTV_API_STD_TIMEOUT 500
66 enum blackbird_capture_type {
67 BLACKBIRD_MPEG_CAPTURE,
68 BLACKBIRD_RAW_CAPTURE,
69 BLACKBIRD_RAW_PASSTHRU_CAPTURE
71 enum blackbird_capture_bits {
72 BLACKBIRD_RAW_BITS_NONE = 0x00,
73 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
74 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
75 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
76 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
77 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
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 */
83 enum blackbird_framerate {
84 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
85 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
87 enum blackbird_stream_port {
88 BLACKBIRD_OUTPUT_PORT_MEMORY,
89 BLACKBIRD_OUTPUT_PORT_STREAMING,
90 BLACKBIRD_OUTPUT_PORT_SERIAL
92 enum blackbird_data_xfer_status {
93 BLACKBIRD_MORE_BUFFERS_FOLLOW,
94 BLACKBIRD_LAST_BUFFER,
96 enum blackbird_picture_mask {
97 BLACKBIRD_PICTURE_MASK_NONE,
98 BLACKBIRD_PICTURE_MASK_I_FRAMES,
99 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
100 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
102 enum blackbird_vbi_mode_bits {
103 BLACKBIRD_VBI_BITS_SLICED,
104 BLACKBIRD_VBI_BITS_RAW,
106 enum blackbird_vbi_insertion_bits {
107 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
108 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
109 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
110 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
113 enum blackbird_dma_unit {
115 BLACKBIRD_DMA_FRAMES,
117 enum blackbird_dma_transfer_status_bits {
118 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
119 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
120 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
122 enum blackbird_pause {
123 BLACKBIRD_PAUSE_ENCODING,
124 BLACKBIRD_RESUME_ENCODING,
126 enum blackbird_copyright {
127 BLACKBIRD_COPYRIGHT_OFF,
128 BLACKBIRD_COPYRIGHT_ON,
130 enum blackbird_notification_type {
131 BLACKBIRD_NOTIFICATION_REFRESH,
133 enum blackbird_notification_status {
134 BLACKBIRD_NOTIFICATION_OFF,
135 BLACKBIRD_NOTIFICATION_ON,
137 enum blackbird_notification_mailbox {
138 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
140 enum blackbird_field1_lines {
141 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
142 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
143 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
145 enum blackbird_field2_lines {
146 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
147 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
148 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
150 enum blackbird_custom_data_type {
151 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
152 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
154 enum blackbird_mute {
158 enum blackbird_mute_video_mask {
159 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
160 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
161 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
163 enum blackbird_mute_video_shift {
164 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
165 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
166 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
170 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
171 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
172 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
177 /* ------------------------------------------------------------------ */
179 static void host_setup(struct cx88_core *core)
181 /* toggle reset of the host */
182 cx_write(MO_GPHST_SOFT_RST, 1);
184 cx_write(MO_GPHST_SOFT_RST, 0);
187 /* host port setup */
188 cx_write(MO_GPHST_WSC, 0x44444444U);
189 cx_write(MO_GPHST_XFR, 0);
190 cx_write(MO_GPHST_WDTH, 15);
191 cx_write(MO_GPHST_HDSHK, 0);
192 cx_write(MO_GPHST_MUX16, 0x44448888U);
193 cx_write(MO_GPHST_MODE, 0);
196 /* ------------------------------------------------------------------ */
198 #define P1_MDATA0 0x390000
199 #define P1_MDATA1 0x390001
200 #define P1_MDATA2 0x390002
201 #define P1_MDATA3 0x390003
202 #define P1_MADDR2 0x390004
203 #define P1_MADDR1 0x390005
204 #define P1_MADDR0 0x390006
205 #define P1_RDATA0 0x390008
206 #define P1_RDATA1 0x390009
207 #define P1_RDATA2 0x39000A
208 #define P1_RDATA3 0x39000B
209 #define P1_RADDR0 0x39000C
210 #define P1_RADDR1 0x39000D
211 #define P1_RRDWR 0x39000E
213 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
215 unsigned long timeout = jiffies + msecs_to_jiffies(1);
218 need = state ? 2 : 0;
220 gpio0 = cx_read(MO_GP0_IO) & 2;
223 if (time_after(jiffies,timeout))
229 static int memory_write(struct cx88_core *core, u32 address, u32 value)
231 /* Warning: address is dword address (4 bytes) */
232 cx_writeb(P1_MDATA0, (unsigned int)value);
233 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
234 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
235 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
236 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
237 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
238 cx_writeb(P1_MADDR0, (unsigned int)address);
242 return wait_ready_gpio0_bit1(core,1);
245 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
250 /* Warning: address is dword address (4 bytes) */
251 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
252 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
253 cx_writeb(P1_MADDR0, (unsigned int)address);
256 retval = wait_ready_gpio0_bit1(core,1);
258 cx_writeb(P1_MDATA3, 0);
259 val = (unsigned char)cx_read(P1_MDATA3) << 24;
260 cx_writeb(P1_MDATA2, 0);
261 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
262 cx_writeb(P1_MDATA1, 0);
263 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
264 cx_writeb(P1_MDATA0, 0);
265 val |= (unsigned char)cx_read(P1_MDATA0);
271 static int register_write(struct cx88_core *core, u32 address, u32 value)
273 cx_writeb(P1_RDATA0, (unsigned int)value);
274 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
275 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
276 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
277 cx_writeb(P1_RADDR0, (unsigned int)address);
278 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
279 cx_writeb(P1_RRDWR, 1);
283 return wait_ready_gpio0_bit1(core,1);
287 static int register_read(struct cx88_core *core, u32 address, u32 *value)
292 cx_writeb(P1_RADDR0, (unsigned int)address);
293 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
294 cx_writeb(P1_RRDWR, 0);
297 retval = wait_ready_gpio0_bit1(core,1);
298 val = (unsigned char)cx_read(P1_RDATA0);
299 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
300 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
301 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
307 /* ------------------------------------------------------------------ */
309 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
311 struct cx8802_dev *dev = priv;
312 unsigned long timeout;
313 u32 value, flag, retval;
316 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
318 /* this may not be 100% safe if we can't read any memory location
319 without side effects */
320 memory_read(dev->core, dev->mailbox - 4, &value);
321 if (value != 0x12345678) {
322 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
326 memory_read(dev->core, dev->mailbox, &flag);
328 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
332 flag |= 1; /* tell 'em we're working on it */
333 memory_write(dev->core, dev->mailbox, flag);
335 /* write command + args + fill remaining with zeros */
336 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
337 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
338 for (i = 0; i < in; i++) {
339 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
340 dprintk(1, "API Input %d = %d\n", i, data[i]);
342 for (; i < CX2341X_MBOX_MAX_DATA; i++)
343 memory_write(dev->core, dev->mailbox + 4 + i, 0);
345 flag |= 3; /* tell 'em we're done writing */
346 memory_write(dev->core, dev->mailbox, flag);
348 /* wait for firmware to handle the API command */
349 timeout = jiffies + msecs_to_jiffies(10);
351 memory_read(dev->core, dev->mailbox, &flag);
354 if (time_after(jiffies,timeout)) {
355 dprintk(0, "ERROR: API Mailbox timeout\n");
361 /* read output values */
362 for (i = 0; i < out; i++) {
363 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
364 dprintk(1, "API Output %d = %d\n", i, data[i]);
367 memory_read(dev->core, dev->mailbox + 2, &retval);
368 dprintk(1, "API result = %d\n",retval);
371 memory_write(dev->core, dev->mailbox, flag);
374 /* ------------------------------------------------------------------ */
376 /* We don't need to call the API often, so using just one mailbox will probably suffice */
377 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
378 u32 inputcnt, u32 outputcnt, ...)
380 u32 data[CX2341X_MBOX_MAX_DATA];
384 va_start(vargs, outputcnt);
386 for (i = 0; i < inputcnt; i++) {
387 data[i] = va_arg(vargs, int);
389 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
390 for (i = 0; i < outputcnt; i++) {
391 int *vptr = va_arg(vargs, int *);
398 static int blackbird_find_mailbox(struct cx8802_dev *dev)
400 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
405 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
406 memory_read(dev->core, i, &value);
407 if (value == signature[signaturecnt])
411 if (4 == signaturecnt) {
412 dprintk(1, "Mailbox signature found\n");
416 dprintk(0, "Mailbox signature values not found!\n");
420 static int blackbird_load_firmware(struct cx8802_dev *dev)
422 static const unsigned char magic[8] = {
423 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
425 const struct firmware *firmware;
431 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
432 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
433 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
434 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
436 retval |= register_write(dev->core, IVTV_REG_APU, 0);
439 dprintk(0, "Error with register_write\n");
441 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
446 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
447 CX2341X_FIRM_ENC_FILENAME);
448 dprintk(0, "Please fix your hotplug setup, the board will "
449 "not work without firmware loaded!\n");
453 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
454 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
455 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
459 if (0 != memcmp(firmware->data, magic, 8)) {
460 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
464 /* transfer to the chip */
465 dprintk(1,"Loading firmware ...\n");
466 dataptr = (u32*)firmware->data;
467 for (i = 0; i < (firmware->size >> 2); i++) {
470 memory_write(dev->core, i, value);
474 /* read back to verify with the checksum */
475 for (i--; i >= 0; i--) {
476 memory_read(dev->core, i, &value);
480 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
483 release_firmware(firmware);
484 dprintk(0, "Firmware upload successful.\n");
486 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
487 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
488 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
491 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
492 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
495 dprintk(0, "Error with register_write\n");
500 Settings used by the windows tv app for PVR2000:
501 =================================================================================================================
502 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
503 -----------------------------------------------------------------------------------------------------------------
504 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
505 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
506 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
507 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
508 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
509 =================================================================================================================
513 static void blackbird_codec_settings(struct cx8802_dev *dev)
515 /* assign frame size */
516 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
517 dev->height, dev->width);
519 dev->params.width = dev->width;
520 dev->params.height = dev->height;
521 dev->params.is_50hz = (dev->core->tvnorm->id & V4L2_STD_625_50) != 0;
523 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
526 static struct v4l2_mpeg_compression default_mpeg_params = {
527 .st_type = V4L2_MPEG_PS_2,
529 .mode = V4L2_BITRATE_CBR,
539 .au_type = V4L2_MPEG_AU_2_II,
541 .mode = V4L2_BITRATE_CBR,
546 .au_sample_rate = 48000,
548 .vi_type = V4L2_MPEG_VI_2,
549 .vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3,
551 .mode = V4L2_BITRATE_CBR,
557 .vi_frames_per_gop = 12,
558 .vi_bframes_count = 2,
564 static int blackbird_initialize_codec(struct cx8802_dev *dev)
566 struct cx88_core *core = dev->core;
570 dprintk(1,"Initialize codec\n");
571 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
573 /* ping was not successful, reset and upload firmware */
574 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
576 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
578 retval = blackbird_load_firmware(dev);
582 dev->mailbox = blackbird_find_mailbox(dev);
583 if (dev->mailbox < 0)
586 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
588 dprintk(0, "ERROR: Firmware ping failed!\n");
592 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
594 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
597 dprintk(0, "Firmware version is 0x%08x\n", version);
601 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
602 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
603 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
604 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
606 blackbird_codec_settings(dev);
609 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
610 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
611 blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
612 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
613 BLACKBIRD_FIELD1_SAA7115,
614 BLACKBIRD_FIELD2_SAA7115
617 /* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
618 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
619 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
620 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
622 /* initialize the video input */
623 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
627 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
629 blackbird_api_cmd(dev, CX2341X_ENC_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
632 /* start capturing to the host interface */
633 /* blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0, 0, 0x13); */
634 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
635 BLACKBIRD_MPEG_CAPTURE,
636 BLACKBIRD_RAW_BITS_NONE
640 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
644 /* ------------------------------------------------------------------ */
646 static int bb_buf_setup(struct videobuf_queue *q,
647 unsigned int *count, unsigned int *size)
649 struct cx8802_fh *fh = q->priv_data;
651 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
652 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
654 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
655 *count = fh->dev->ts_packet_count;
660 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
661 enum v4l2_field field)
663 struct cx8802_fh *fh = q->priv_data;
664 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
668 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
670 struct cx8802_fh *fh = q->priv_data;
671 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
675 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
677 cx88_free_buffer(q, (struct cx88_buffer*)vb);
680 static struct videobuf_queue_ops blackbird_qops = {
681 .buf_setup = bb_buf_setup,
682 .buf_prepare = bb_buf_prepare,
683 .buf_queue = bb_buf_queue,
684 .buf_release = bb_buf_release,
687 /* ------------------------------------------------------------------ */
689 static int mpeg_do_ioctl(struct inode *inode, struct file *file,
690 unsigned int cmd, void *arg)
692 struct cx8802_fh *fh = file->private_data;
693 struct cx8802_dev *dev = fh->dev;
694 struct cx88_core *core = dev->core;
697 v4l_print_ioctl(core->name,cmd);
701 /* --- capabilities ------------------------------------------ */
702 case VIDIOC_QUERYCAP:
704 struct v4l2_capability *cap = arg;
706 memset(cap,0,sizeof(*cap));
707 strcpy(cap->driver, "cx88_blackbird");
708 strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
709 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
710 cap->version = CX88_VERSION_CODE;
712 V4L2_CAP_VIDEO_CAPTURE |
716 if (UNSET != core->tuner_type)
717 cap->capabilities |= V4L2_CAP_TUNER;
722 /* --- capture ioctls ---------------------------------------- */
723 case VIDIOC_ENUM_FMT:
725 struct v4l2_fmtdesc *f = arg;
732 memset(f,0,sizeof(*f));
734 strlcpy(f->description, "MPEG", sizeof(f->description));
735 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
736 f->pixelformat = V4L2_PIX_FMT_MPEG;
741 struct v4l2_format *f = arg;
743 memset(f,0,sizeof(*f));
744 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
745 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
746 f->fmt.pix.bytesperline = 0;
747 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
748 f->fmt.pix.colorspace = 0;
749 f->fmt.pix.width = dev->width;
750 f->fmt.pix.height = dev->height;
751 f->fmt.pix.field = fh->mpegq.field;
752 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
753 dev->width, dev->height, fh->mpegq.field );
758 struct v4l2_format *f = arg;
760 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
761 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
762 f->fmt.pix.bytesperline = 0;
763 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
764 f->fmt.pix.colorspace = 0;
765 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
766 dev->width, dev->height, fh->mpegq.field );
771 struct v4l2_format *f = arg;
773 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
774 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
775 f->fmt.pix.bytesperline = 0;
776 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
777 f->fmt.pix.colorspace = 0;
778 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
779 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
783 /* --- streaming capture ------------------------------------- */
785 return videobuf_reqbufs(&fh->mpegq, arg);
787 case VIDIOC_QUERYBUF:
788 return videobuf_querybuf(&fh->mpegq, arg);
791 return videobuf_qbuf(&fh->mpegq, arg);
794 return videobuf_dqbuf(&fh->mpegq, arg,
795 file->f_flags & O_NONBLOCK);
797 case VIDIOC_STREAMON:
798 return videobuf_streamon(&fh->mpegq);
800 case VIDIOC_STREAMOFF:
801 return videobuf_streamoff(&fh->mpegq);
803 /* --- mpeg compression -------------------------------------- */
804 case VIDIOC_G_MPEGCOMP:
806 struct v4l2_mpeg_compression *f = arg;
808 printk(KERN_WARNING "VIDIOC_G_MPEGCOMP is obsolete. "
809 "Replace with VIDIOC_G_EXT_CTRLS!");
810 memcpy(f,&default_mpeg_params,sizeof(*f));
813 case VIDIOC_S_MPEGCOMP:
814 printk(KERN_WARNING "VIDIOC_S_MPEGCOMP is obsolete. "
815 "Replace with VIDIOC_S_EXT_CTRLS!");
817 case VIDIOC_G_EXT_CTRLS:
819 struct v4l2_ext_controls *f = arg;
821 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
823 return cx2341x_ext_ctrls(&dev->params, f, cmd);
825 case VIDIOC_S_EXT_CTRLS:
826 case VIDIOC_TRY_EXT_CTRLS:
828 struct v4l2_ext_controls *f = arg;
829 struct cx2341x_mpeg_params p;
832 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
835 err = cx2341x_ext_ctrls(&p, f, cmd);
836 if (err == 0 && cmd == VIDIOC_S_EXT_CTRLS) {
837 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
842 case VIDIOC_S_FREQUENCY:
844 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
846 BLACKBIRD_MPEG_CAPTURE,
847 BLACKBIRD_RAW_BITS_NONE);
849 cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
851 blackbird_initialize_codec(dev);
852 cx88_set_scale(dev->core, dev->width, dev->height,
858 return cx88_do_ioctl(inode, file, 0, dev->core, cmd, arg, mpeg_do_ioctl);
863 static unsigned int mpeg_translate_ioctl(unsigned int cmd)
868 static int mpeg_ioctl(struct inode *inode, struct file *file,
869 unsigned int cmd, unsigned long arg)
871 cmd = mpeg_translate_ioctl( cmd );
872 return video_usercopy(inode, file, cmd, arg, mpeg_do_ioctl);
875 static int mpeg_open(struct inode *inode, struct file *file)
877 int minor = iminor(inode);
878 struct cx8802_dev *h,*dev = NULL;
879 struct cx8802_fh *fh;
880 struct list_head *list;
882 list_for_each(list,&cx8802_devlist) {
883 h = list_entry(list, struct cx8802_dev, devlist);
884 if (h->mpeg_dev->minor == minor)
890 if (blackbird_initialize_codec(dev) < 0)
892 dprintk(1,"open minor=%d\n",minor);
894 /* allocate + initialize per filehandle data */
895 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
898 file->private_data = fh;
901 videobuf_queue_init(&fh->mpegq, &blackbird_qops,
902 dev->pci, &dev->slock,
903 V4L2_BUF_TYPE_VIDEO_CAPTURE,
904 V4L2_FIELD_INTERLACED,
905 sizeof(struct cx88_buffer),
908 /* FIXME: locking against other video device */
909 cx88_set_scale(dev->core, dev->width, dev->height,
915 static int mpeg_release(struct inode *inode, struct file *file)
917 struct cx8802_fh *fh = file->private_data;
919 /* blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
920 blackbird_api_cmd(fh->dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
922 BLACKBIRD_MPEG_CAPTURE,
923 BLACKBIRD_RAW_BITS_NONE
926 cx8802_cancel_buffers(fh->dev);
927 /* stop mpeg capture */
928 if (fh->mpegq.streaming)
929 videobuf_streamoff(&fh->mpegq);
930 if (fh->mpegq.reading)
931 videobuf_read_stop(&fh->mpegq);
933 videobuf_mmap_free(&fh->mpegq);
934 file->private_data = NULL;
940 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
942 struct cx8802_fh *fh = file->private_data;
944 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
945 file->f_flags & O_NONBLOCK);
949 mpeg_poll(struct file *file, struct poll_table_struct *wait)
951 struct cx8802_fh *fh = file->private_data;
953 return videobuf_poll_stream(file, &fh->mpegq, wait);
957 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
959 struct cx8802_fh *fh = file->private_data;
961 return videobuf_mmap_mapper(&fh->mpegq, vma);
964 static struct file_operations mpeg_fops =
966 .owner = THIS_MODULE,
968 .release = mpeg_release,
976 static struct video_device cx8802_mpeg_template =
979 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
985 /* ------------------------------------------------------------------ */
987 static void blackbird_unregister_video(struct cx8802_dev *dev)
990 if (-1 != dev->mpeg_dev->minor)
991 video_unregister_device(dev->mpeg_dev);
993 video_device_release(dev->mpeg_dev);
994 dev->mpeg_dev = NULL;
998 static int blackbird_register_video(struct cx8802_dev *dev)
1002 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1003 &cx8802_mpeg_template,"mpeg");
1004 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1006 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1010 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1011 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1015 /* ----------------------------------------------------------- */
1017 static int __devinit blackbird_probe(struct pci_dev *pci_dev,
1018 const struct pci_device_id *pci_id)
1020 struct cx8802_dev *dev;
1021 struct cx88_core *core;
1025 core = cx88_core_get(pci_dev);
1030 if (!cx88_boards[core->board].blackbird)
1034 dev = kzalloc(sizeof(*dev),GFP_KERNEL);
1041 cx2341x_fill_defaults(&dev->params);
1042 dev->params.port = CX2341X_PORT_STREAMING;
1044 if (core->tvnorm->id & V4L2_STD_525_60) {
1050 err = cx8802_init_common(dev);
1054 /* blackbird stuff */
1055 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1057 host_setup(dev->core);
1059 list_add_tail(&dev->devlist,&cx8802_devlist);
1060 blackbird_register_video(dev);
1062 /* initial device configuration: needed ? */
1069 cx88_core_put(core,pci_dev);
1073 static void __devexit blackbird_remove(struct pci_dev *pci_dev)
1075 struct cx8802_dev *dev = pci_get_drvdata(pci_dev);
1078 blackbird_unregister_video(dev);
1079 list_del(&dev->devlist);
1082 cx8802_fini_common(dev);
1083 cx88_core_put(dev->core,dev->pci);
1087 static struct pci_device_id cx8802_pci_tbl[] = {
1091 .subvendor = PCI_ANY_ID,
1092 .subdevice = PCI_ANY_ID,
1094 /* --- end of list --- */
1097 MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);
1099 static struct pci_driver blackbird_pci_driver = {
1100 .name = "cx88-blackbird",
1101 .id_table = cx8802_pci_tbl,
1102 .probe = blackbird_probe,
1103 .remove = __devexit_p(blackbird_remove),
1104 .suspend = cx8802_suspend_common,
1105 .resume = cx8802_resume_common,
1108 static int blackbird_init(void)
1110 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1111 (CX88_VERSION_CODE >> 16) & 0xff,
1112 (CX88_VERSION_CODE >> 8) & 0xff,
1113 CX88_VERSION_CODE & 0xff);
1115 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1116 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1118 return pci_register_driver(&blackbird_pci_driver);
1121 static void blackbird_fini(void)
1123 pci_unregister_driver(&blackbird_pci_driver);
1126 module_init(blackbird_init);
1127 module_exit(blackbird_fini);
1129 /* ----------------------------------------------------------- */
1134 * 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