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 * (c) 2005-2006 Mauro Carvalho Chehab <mchehab@infradead.org>
10 * - video_ioctl2 conversion
12 * Includes parts from the ivtv driver( http://ivtv.sourceforge.net/),
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License as published by
16 * the Free Software Foundation; either version 2 of the License, or
17 * (at your option) any later version.
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
29 #include <linux/module.h>
30 #include <linux/init.h>
32 #include <linux/delay.h>
33 #include <linux/device.h>
34 #include <linux/firmware.h>
35 #include <media/v4l2-common.h>
36 #include <media/cx2341x.h>
40 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
41 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
42 MODULE_LICENSE("GPL");
44 static unsigned int mpegbufs = 32;
45 module_param(mpegbufs,int,0644);
46 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
48 static unsigned int debug = 0;
49 module_param(debug,int,0644);
50 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
52 #define dprintk(level,fmt, arg...) if (debug >= level) \
53 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
56 /* ------------------------------------------------------------------ */
58 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
60 /* defines below are from ivtv-driver.h */
62 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
64 /* Firmware API commands */
65 #define IVTV_API_STD_TIMEOUT 500
67 enum blackbird_capture_type {
68 BLACKBIRD_MPEG_CAPTURE,
69 BLACKBIRD_RAW_CAPTURE,
70 BLACKBIRD_RAW_PASSTHRU_CAPTURE
72 enum blackbird_capture_bits {
73 BLACKBIRD_RAW_BITS_NONE = 0x00,
74 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
75 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
76 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
77 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
78 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
80 enum blackbird_capture_end {
81 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
82 BLACKBIRD_END_NOW, /* stop immediately, no irq */
84 enum blackbird_framerate {
85 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
86 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
88 enum blackbird_stream_port {
89 BLACKBIRD_OUTPUT_PORT_MEMORY,
90 BLACKBIRD_OUTPUT_PORT_STREAMING,
91 BLACKBIRD_OUTPUT_PORT_SERIAL
93 enum blackbird_data_xfer_status {
94 BLACKBIRD_MORE_BUFFERS_FOLLOW,
95 BLACKBIRD_LAST_BUFFER,
97 enum blackbird_picture_mask {
98 BLACKBIRD_PICTURE_MASK_NONE,
99 BLACKBIRD_PICTURE_MASK_I_FRAMES,
100 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
101 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
103 enum blackbird_vbi_mode_bits {
104 BLACKBIRD_VBI_BITS_SLICED,
105 BLACKBIRD_VBI_BITS_RAW,
107 enum blackbird_vbi_insertion_bits {
108 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
109 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
110 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
114 enum blackbird_dma_unit {
116 BLACKBIRD_DMA_FRAMES,
118 enum blackbird_dma_transfer_status_bits {
119 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
120 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
121 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
123 enum blackbird_pause {
124 BLACKBIRD_PAUSE_ENCODING,
125 BLACKBIRD_RESUME_ENCODING,
127 enum blackbird_copyright {
128 BLACKBIRD_COPYRIGHT_OFF,
129 BLACKBIRD_COPYRIGHT_ON,
131 enum blackbird_notification_type {
132 BLACKBIRD_NOTIFICATION_REFRESH,
134 enum blackbird_notification_status {
135 BLACKBIRD_NOTIFICATION_OFF,
136 BLACKBIRD_NOTIFICATION_ON,
138 enum blackbird_notification_mailbox {
139 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
141 enum blackbird_field1_lines {
142 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
143 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
144 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
146 enum blackbird_field2_lines {
147 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
148 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
149 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
151 enum blackbird_custom_data_type {
152 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
153 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
155 enum blackbird_mute {
159 enum blackbird_mute_video_mask {
160 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
161 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
162 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
164 enum blackbird_mute_video_shift {
165 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
166 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
167 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
171 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
172 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
178 /* ------------------------------------------------------------------ */
180 static void host_setup(struct cx88_core *core)
182 /* toggle reset of the host */
183 cx_write(MO_GPHST_SOFT_RST, 1);
185 cx_write(MO_GPHST_SOFT_RST, 0);
188 /* host port setup */
189 cx_write(MO_GPHST_WSC, 0x44444444U);
190 cx_write(MO_GPHST_XFR, 0);
191 cx_write(MO_GPHST_WDTH, 15);
192 cx_write(MO_GPHST_HDSHK, 0);
193 cx_write(MO_GPHST_MUX16, 0x44448888U);
194 cx_write(MO_GPHST_MODE, 0);
197 /* ------------------------------------------------------------------ */
199 #define P1_MDATA0 0x390000
200 #define P1_MDATA1 0x390001
201 #define P1_MDATA2 0x390002
202 #define P1_MDATA3 0x390003
203 #define P1_MADDR2 0x390004
204 #define P1_MADDR1 0x390005
205 #define P1_MADDR0 0x390006
206 #define P1_RDATA0 0x390008
207 #define P1_RDATA1 0x390009
208 #define P1_RDATA2 0x39000A
209 #define P1_RDATA3 0x39000B
210 #define P1_RADDR0 0x39000C
211 #define P1_RADDR1 0x39000D
212 #define P1_RRDWR 0x39000E
214 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
216 unsigned long timeout = jiffies + msecs_to_jiffies(1);
219 need = state ? 2 : 0;
221 gpio0 = cx_read(MO_GP0_IO) & 2;
224 if (time_after(jiffies,timeout))
230 static int memory_write(struct cx88_core *core, u32 address, u32 value)
232 /* Warning: address is dword address (4 bytes) */
233 cx_writeb(P1_MDATA0, (unsigned int)value);
234 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
235 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
236 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
237 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
238 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
239 cx_writeb(P1_MADDR0, (unsigned int)address);
243 return wait_ready_gpio0_bit1(core,1);
246 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
251 /* Warning: address is dword address (4 bytes) */
252 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
253 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
254 cx_writeb(P1_MADDR0, (unsigned int)address);
257 retval = wait_ready_gpio0_bit1(core,1);
259 cx_writeb(P1_MDATA3, 0);
260 val = (unsigned char)cx_read(P1_MDATA3) << 24;
261 cx_writeb(P1_MDATA2, 0);
262 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
263 cx_writeb(P1_MDATA1, 0);
264 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
265 cx_writeb(P1_MDATA0, 0);
266 val |= (unsigned char)cx_read(P1_MDATA0);
272 static int register_write(struct cx88_core *core, u32 address, u32 value)
274 cx_writeb(P1_RDATA0, (unsigned int)value);
275 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
276 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
277 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
278 cx_writeb(P1_RADDR0, (unsigned int)address);
279 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
280 cx_writeb(P1_RRDWR, 1);
284 return wait_ready_gpio0_bit1(core,1);
288 static int register_read(struct cx88_core *core, u32 address, u32 *value)
293 cx_writeb(P1_RADDR0, (unsigned int)address);
294 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
295 cx_writeb(P1_RRDWR, 0);
298 retval = wait_ready_gpio0_bit1(core,1);
299 val = (unsigned char)cx_read(P1_RDATA0);
300 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
301 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
302 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
308 /* ------------------------------------------------------------------ */
310 static int blackbird_mbox_func(void *priv, int command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
312 struct cx8802_dev *dev = priv;
313 unsigned long timeout;
314 u32 value, flag, retval;
317 dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);
319 /* this may not be 100% safe if we can't read any memory location
320 without side effects */
321 memory_read(dev->core, dev->mailbox - 4, &value);
322 if (value != 0x12345678) {
323 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
327 memory_read(dev->core, dev->mailbox, &flag);
329 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
333 flag |= 1; /* tell 'em we're working on it */
334 memory_write(dev->core, dev->mailbox, flag);
336 /* write command + args + fill remaining with zeros */
337 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
338 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
339 for (i = 0; i < in; i++) {
340 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
341 dprintk(1, "API Input %d = %d\n", i, data[i]);
343 for (; i < CX2341X_MBOX_MAX_DATA; i++)
344 memory_write(dev->core, dev->mailbox + 4 + i, 0);
346 flag |= 3; /* tell 'em we're done writing */
347 memory_write(dev->core, dev->mailbox, flag);
349 /* wait for firmware to handle the API command */
350 timeout = jiffies + msecs_to_jiffies(10);
352 memory_read(dev->core, dev->mailbox, &flag);
355 if (time_after(jiffies,timeout)) {
356 dprintk(0, "ERROR: API Mailbox timeout\n");
362 /* read output values */
363 for (i = 0; i < out; i++) {
364 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
365 dprintk(1, "API Output %d = %d\n", i, data[i]);
368 memory_read(dev->core, dev->mailbox + 2, &retval);
369 dprintk(1, "API result = %d\n",retval);
372 memory_write(dev->core, dev->mailbox, flag);
375 /* ------------------------------------------------------------------ */
377 /* We don't need to call the API often, so using just one mailbox will probably suffice */
378 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
379 u32 inputcnt, u32 outputcnt, ...)
381 u32 data[CX2341X_MBOX_MAX_DATA];
385 va_start(vargs, outputcnt);
387 for (i = 0; i < inputcnt; i++) {
388 data[i] = va_arg(vargs, int);
390 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
391 for (i = 0; i < outputcnt; i++) {
392 int *vptr = va_arg(vargs, int *);
399 static int blackbird_find_mailbox(struct cx8802_dev *dev)
401 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
406 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
407 memory_read(dev->core, i, &value);
408 if (value == signature[signaturecnt])
412 if (4 == signaturecnt) {
413 dprintk(1, "Mailbox signature found\n");
417 dprintk(0, "Mailbox signature values not found!\n");
421 static int blackbird_load_firmware(struct cx8802_dev *dev)
423 static const unsigned char magic[8] = {
424 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
426 const struct firmware *firmware;
432 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
433 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
434 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
435 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
437 retval |= register_write(dev->core, IVTV_REG_APU, 0);
440 dprintk(0, "Error with register_write\n");
442 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
447 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
448 CX2341X_FIRM_ENC_FILENAME);
449 dprintk(0, "Please fix your hotplug setup, the board will "
450 "not work without firmware loaded!\n");
454 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
455 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
456 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
457 release_firmware(firmware);
461 if (0 != memcmp(firmware->data, magic, 8)) {
462 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
463 release_firmware(firmware);
467 /* transfer to the chip */
468 dprintk(1,"Loading firmware ...\n");
469 dataptr = (u32*)firmware->data;
470 for (i = 0; i < (firmware->size >> 2); i++) {
473 memory_write(dev->core, i, value);
477 /* read back to verify with the checksum */
478 for (i--; i >= 0; i--) {
479 memory_read(dev->core, i, &value);
483 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
484 release_firmware(firmware);
487 release_firmware(firmware);
488 dprintk(0, "Firmware upload successful.\n");
490 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
491 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
492 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
495 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
496 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
499 dprintk(0, "Error with register_write\n");
504 Settings used by the windows tv app for PVR2000:
505 =================================================================================================================
506 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
507 -----------------------------------------------------------------------------------------------------------------
508 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
509 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513 =================================================================================================================
517 static void blackbird_codec_settings(struct cx8802_dev *dev)
519 /* assign frame size */
520 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
521 dev->height, dev->width);
523 dev->params.width = dev->width;
524 dev->params.height = dev->height;
525 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
527 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
530 static int blackbird_initialize_codec(struct cx8802_dev *dev)
532 struct cx88_core *core = dev->core;
536 dprintk(1,"Initialize codec\n");
537 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
540 dev->mpeg_active = 0;
542 /* ping was not successful, reset and upload firmware */
543 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
544 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
545 retval = blackbird_load_firmware(dev);
549 dev->mailbox = blackbird_find_mailbox(dev);
550 if (dev->mailbox < 0)
553 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
555 dprintk(0, "ERROR: Firmware ping failed!\n");
559 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
561 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
564 dprintk(0, "Firmware version is 0x%08x\n", version);
567 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
568 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
569 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
570 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
572 blackbird_codec_settings(dev);
574 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
575 BLACKBIRD_FIELD1_SAA7115,
576 BLACKBIRD_FIELD2_SAA7115
579 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
580 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
581 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
586 static int blackbird_start_codec(struct file *file, void *priv)
588 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
589 struct cx88_core *core = dev->core;
590 /* start capturing to the host interface */
597 for (i=0; (i < 10) && (i < (lastchange + 4)); i++)
599 reg = cx_read(AUD_STATUS);
601 dprintk(1,"AUD_STATUS:%dL: 0x%x\n", i, reg);
602 if ((reg & 0x0F) != lastval)
604 lastval = reg & 0x0F;
610 /* unmute audio source */
611 cx_clear(AUD_VOL_CTL, (1 << 6));
613 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0,0);
615 /* initialize the video input */
616 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
618 /* start capturing to the host interface */
619 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
620 BLACKBIRD_MPEG_CAPTURE,
621 BLACKBIRD_RAW_BITS_NONE
624 dev->mpeg_active = 1;
628 static int blackbird_stop_codec(struct cx8802_dev *dev)
630 struct cx88_core *core = dev->core;
632 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
634 BLACKBIRD_MPEG_CAPTURE,
635 BLACKBIRD_RAW_BITS_NONE
637 /* mute audio source */
638 cx_set(AUD_VOL_CTL, (1 << 6));
640 dev->mpeg_active = 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 const u32 *ctrl_classes[] = {
695 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
697 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
701 /* Standard V4L2 controls */
702 if (cx8800_ctrl_query(qctrl) == 0)
705 /* MPEG V4L2 controls */
706 if (cx2341x_ctrl_query(&dev->params, qctrl))
707 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
711 /* ------------------------------------------------------------------ */
714 static int vidioc_querymenu (struct file *file, void *priv,
715 struct v4l2_querymenu *qmenu)
717 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
718 struct v4l2_queryctrl qctrl;
720 qctrl.id = qmenu->id;
721 blackbird_queryctrl(dev, &qctrl);
722 return v4l2_ctrl_query_menu(qmenu, &qctrl, cx2341x_ctrl_get_menu(qmenu->id));
725 static int vidioc_querycap (struct file *file, void *priv,
726 struct v4l2_capability *cap)
728 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
729 struct cx88_core *core = dev->core;
731 strcpy(cap->driver, "cx88_blackbird");
732 strlcpy(cap->card, core->board.name, sizeof(cap->card));
733 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
734 cap->version = CX88_VERSION_CODE;
736 V4L2_CAP_VIDEO_CAPTURE |
739 if (UNSET != core->board.tuner_type)
740 cap->capabilities |= V4L2_CAP_TUNER;
744 static int vidioc_enum_fmt_cap (struct file *file, void *priv,
745 struct v4l2_fmtdesc *f)
750 strlcpy(f->description, "MPEG", sizeof(f->description));
751 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
752 f->pixelformat = V4L2_PIX_FMT_MPEG;
756 static int vidioc_g_fmt_cap (struct file *file, void *priv,
757 struct v4l2_format *f)
759 struct cx8802_fh *fh = priv;
760 struct cx8802_dev *dev = fh->dev;
762 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
763 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
764 f->fmt.pix.bytesperline = 0;
765 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
766 f->fmt.pix.colorspace = 0;
767 f->fmt.pix.width = dev->width;
768 f->fmt.pix.height = dev->height;
769 f->fmt.pix.field = fh->mpegq.field;
770 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
771 dev->width, dev->height, fh->mpegq.field );
775 static int vidioc_try_fmt_cap (struct file *file, void *priv,
776 struct v4l2_format *f)
778 struct cx8802_fh *fh = priv;
779 struct cx8802_dev *dev = fh->dev;
781 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
782 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
783 f->fmt.pix.bytesperline = 0;
784 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
785 f->fmt.pix.colorspace = 0;
786 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
787 dev->width, dev->height, fh->mpegq.field );
791 static int vidioc_s_fmt_cap (struct file *file, void *priv,
792 struct v4l2_format *f)
794 struct cx8802_fh *fh = priv;
795 struct cx8802_dev *dev = fh->dev;
796 struct cx88_core *core = dev->core;
798 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
799 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
800 f->fmt.pix.bytesperline = 0;
801 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
802 f->fmt.pix.colorspace = 0;
803 dev->width = f->fmt.pix.width;
804 dev->height = f->fmt.pix.height;
805 fh->mpegq.field = f->fmt.pix.field;
806 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
807 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
808 f->fmt.pix.height, f->fmt.pix.width);
809 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
810 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
814 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
816 struct cx8802_fh *fh = priv;
817 return (videobuf_reqbufs(&fh->mpegq, p));
820 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
822 struct cx8802_fh *fh = priv;
823 return (videobuf_querybuf(&fh->mpegq, p));
826 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
828 struct cx8802_fh *fh = priv;
829 return (videobuf_qbuf(&fh->mpegq, p));
832 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
834 struct cx8802_fh *fh = priv;
835 return (videobuf_dqbuf(&fh->mpegq, p,
836 file->f_flags & O_NONBLOCK));
839 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
841 struct cx8802_fh *fh = priv;
842 return videobuf_streamon(&fh->mpegq);
845 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
847 struct cx8802_fh *fh = priv;
848 return videobuf_streamoff(&fh->mpegq);
851 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
852 struct v4l2_ext_controls *f)
854 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
856 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
858 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
861 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
862 struct v4l2_ext_controls *f)
864 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
865 struct cx2341x_mpeg_params p;
868 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
871 if (dev->mpeg_active)
872 blackbird_stop_codec(dev);
875 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
877 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
883 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
884 struct v4l2_ext_controls *f)
886 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
887 struct cx2341x_mpeg_params p;
890 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
893 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
898 static int vidioc_s_frequency (struct file *file, void *priv,
899 struct v4l2_frequency *f)
901 struct cx8802_fh *fh = priv;
902 struct cx8802_dev *dev = fh->dev;
903 struct cx88_core *core = dev->core;
905 if (dev->mpeg_active)
906 blackbird_stop_codec(dev);
908 cx88_set_freq (core,f);
909 blackbird_initialize_codec(dev);
910 cx88_set_scale(dev->core, dev->width, dev->height,
915 static int vidioc_log_status (struct file *file, void *priv)
917 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
918 struct cx88_core *core = dev->core;
921 snprintf(name, sizeof(name), "%s/2", core->name);
922 printk("%s/2: ============ START LOG STATUS ============\n",
924 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
925 cx2341x_log_status(&dev->params, name);
926 printk("%s/2: ============= END LOG STATUS =============\n",
931 static int vidioc_queryctrl (struct file *file, void *priv,
932 struct v4l2_queryctrl *qctrl)
934 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
936 if (blackbird_queryctrl(dev, qctrl) == 0)
939 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
940 if (unlikely(qctrl->id == 0))
942 return cx8800_ctrl_query(qctrl);
945 static int vidioc_enum_input (struct file *file, void *priv,
946 struct v4l2_input *i)
948 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
949 return cx88_enum_input (core,i);
952 static int vidioc_g_ctrl (struct file *file, void *priv,
953 struct v4l2_control *ctl)
955 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
957 cx88_get_control(core,ctl);
960 static int vidioc_s_ctrl (struct file *file, void *priv,
961 struct v4l2_control *ctl)
963 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
965 cx88_set_control(core,ctl);
968 static int vidioc_g_frequency (struct file *file, void *priv,
969 struct v4l2_frequency *f)
971 struct cx8802_fh *fh = priv;
972 struct cx88_core *core = fh->dev->core;
974 if (unlikely(UNSET == core->board.tuner_type))
977 f->type = V4L2_TUNER_ANALOG_TV;
978 f->frequency = core->freq;
979 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
984 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
986 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
992 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
994 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
999 mutex_lock(&core->lock);
1000 cx88_newstation(core);
1001 cx88_video_mux(core,i);
1002 mutex_unlock(&core->lock);
1006 static int vidioc_g_tuner (struct file *file, void *priv,
1007 struct v4l2_tuner *t)
1009 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1012 if (unlikely(UNSET == core->board.tuner_type))
1017 strcpy(t->name, "Television");
1018 t->type = V4L2_TUNER_ANALOG_TV;
1019 t->capability = V4L2_TUNER_CAP_NORM;
1020 t->rangehigh = 0xffffffffUL;
1022 cx88_get_stereo(core ,t);
1023 reg = cx_read(MO_DEVICE_STATUS);
1024 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1028 static int vidioc_s_tuner (struct file *file, void *priv,
1029 struct v4l2_tuner *t)
1031 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1033 if (UNSET == core->board.tuner_type)
1038 cx88_set_stereo(core, t->audmode, 1);
1042 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1044 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1046 mutex_lock(&core->lock);
1047 cx88_set_tvnorm(core,*id);
1048 mutex_unlock(&core->lock);
1052 /* FIXME: cx88_ioctl_hook not implemented */
1054 static int mpeg_open(struct inode *inode, struct file *file)
1056 int minor = iminor(inode);
1057 struct cx8802_dev *dev = NULL;
1058 struct cx8802_fh *fh;
1059 struct cx8802_driver *drv = NULL;
1062 dev = cx8802_get_device(inode);
1064 dprintk( 1, "%s\n", __FUNCTION__);
1069 /* Make sure we can acquire the hardware */
1070 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1072 err = drv->request_acquire(drv);
1074 dprintk(1,"%s: Unable to acquire hardware, %d\n", __FUNCTION__, err);
1079 if (blackbird_initialize_codec(dev) < 0) {
1081 drv->request_release(drv);
1084 dprintk(1,"open minor=%d\n",minor);
1086 /* allocate + initialize per filehandle data */
1087 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1090 drv->request_release(drv);
1093 file->private_data = fh;
1096 videobuf_queue_pci_init(&fh->mpegq, &blackbird_qops,
1097 dev->pci, &dev->slock,
1098 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1099 V4L2_FIELD_INTERLACED,
1100 sizeof(struct cx88_buffer),
1103 /* FIXME: locking against other video device */
1104 cx88_set_scale(dev->core, dev->width, dev->height,
1110 static int mpeg_release(struct inode *inode, struct file *file)
1112 struct cx8802_fh *fh = file->private_data;
1113 struct cx8802_dev *dev = fh->dev;
1114 struct cx8802_driver *drv = NULL;
1116 if (dev->mpeg_active)
1117 blackbird_stop_codec(dev);
1119 cx8802_cancel_buffers(fh->dev);
1120 /* stop mpeg capture */
1121 videobuf_stop(&fh->mpegq);
1123 videobuf_mmap_free(&fh->mpegq);
1124 file->private_data = NULL;
1127 /* Make sure we release the hardware */
1128 dev = cx8802_get_device(inode);
1132 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1134 drv->request_release(drv);
1140 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1142 struct cx8802_fh *fh = file->private_data;
1143 struct cx8802_dev *dev = fh->dev;
1145 if (!dev->mpeg_active)
1146 blackbird_start_codec(file, fh);
1148 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1149 file->f_flags & O_NONBLOCK);
1153 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1155 struct cx8802_fh *fh = file->private_data;
1157 return videobuf_poll_stream(file, &fh->mpegq, wait);
1161 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1163 struct cx8802_fh *fh = file->private_data;
1165 return videobuf_mmap_mapper(&fh->mpegq, vma);
1168 static const struct file_operations mpeg_fops =
1170 .owner = THIS_MODULE,
1172 .release = mpeg_release,
1176 .ioctl = video_ioctl2,
1177 .llseek = no_llseek,
1180 static struct video_device cx8802_mpeg_template =
1183 .type = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
1186 .vidioc_querymenu = vidioc_querymenu,
1187 .vidioc_querycap = vidioc_querycap,
1188 .vidioc_enum_fmt_cap = vidioc_enum_fmt_cap,
1189 .vidioc_g_fmt_cap = vidioc_g_fmt_cap,
1190 .vidioc_try_fmt_cap = vidioc_try_fmt_cap,
1191 .vidioc_s_fmt_cap = vidioc_s_fmt_cap,
1192 .vidioc_reqbufs = vidioc_reqbufs,
1193 .vidioc_querybuf = vidioc_querybuf,
1194 .vidioc_qbuf = vidioc_qbuf,
1195 .vidioc_dqbuf = vidioc_dqbuf,
1196 .vidioc_streamon = vidioc_streamon,
1197 .vidioc_streamoff = vidioc_streamoff,
1198 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1199 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1200 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1201 .vidioc_s_frequency = vidioc_s_frequency,
1202 .vidioc_log_status = vidioc_log_status,
1203 .vidioc_queryctrl = vidioc_queryctrl,
1204 .vidioc_enum_input = vidioc_enum_input,
1205 .vidioc_g_ctrl = vidioc_g_ctrl,
1206 .vidioc_s_ctrl = vidioc_s_ctrl,
1207 .vidioc_g_frequency = vidioc_g_frequency,
1208 .vidioc_g_input = vidioc_g_input,
1209 .vidioc_s_input = vidioc_s_input,
1210 .vidioc_g_tuner = vidioc_g_tuner,
1211 .vidioc_s_tuner = vidioc_s_tuner,
1212 .vidioc_s_std = vidioc_s_std,
1213 .tvnorms = CX88_NORMS,
1214 .current_norm = V4L2_STD_NTSC_M,
1217 /* ------------------------------------------------------------------ */
1219 /* The CX8802 MPEG API will call this when we can use the hardware */
1220 static int cx8802_blackbird_advise_acquire(struct cx8802_driver *drv)
1222 struct cx88_core *core = drv->core;
1225 switch (core->boardnr) {
1226 case CX88_BOARD_HAUPPAUGE_HVR1300:
1227 /* By default, core setup will leave the cx22702 out of reset, on the bus.
1228 * We left the hardware on power up with the cx22702 active.
1229 * We're being given access to re-arrange the GPIOs.
1230 * Take the bus off the cx22702 and put the cx23416 on it.
1232 cx_clear(MO_GP0_IO, 0x00000080); /* cx22702 in reset */
1233 cx_set(MO_GP0_IO, 0x00000004); /* Disable the cx22702 */
1241 /* The CX8802 MPEG API will call this when we need to release the hardware */
1242 static int cx8802_blackbird_advise_release(struct cx8802_driver *drv)
1244 struct cx88_core *core = drv->core;
1247 switch (core->boardnr) {
1248 case CX88_BOARD_HAUPPAUGE_HVR1300:
1249 /* Exit leaving the cx23416 on the bus */
1257 static void blackbird_unregister_video(struct cx8802_dev *dev)
1259 if (dev->mpeg_dev) {
1260 if (-1 != dev->mpeg_dev->minor)
1261 video_unregister_device(dev->mpeg_dev);
1263 video_device_release(dev->mpeg_dev);
1264 dev->mpeg_dev = NULL;
1268 static int blackbird_register_video(struct cx8802_dev *dev)
1272 dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
1273 &cx8802_mpeg_template,"mpeg");
1274 err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
1276 printk(KERN_INFO "%s/2: can't register mpeg device\n",
1280 printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
1281 dev->core->name,dev->mpeg_dev->minor & 0x1f);
1285 /* ----------------------------------------------------------- */
1287 static int cx8802_blackbird_probe(struct cx8802_driver *drv)
1289 struct cx88_core *core = drv->core;
1290 struct cx8802_dev *dev = core->dvbdev;
1293 dprintk( 1, "%s\n", __FUNCTION__);
1294 dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n",
1301 if (!(core->board.mpeg & CX88_MPEG_BLACKBIRD))
1306 cx2341x_fill_defaults(&dev->params);
1307 dev->params.port = CX2341X_PORT_STREAMING;
1309 cx8802_mpeg_template.current_norm = core->tvnorm;
1311 if (core->tvnorm & V4L2_STD_525_60) {
1317 /* blackbird stuff */
1318 printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
1320 host_setup(dev->core);
1322 blackbird_initialize_codec(dev);
1323 blackbird_register_video(dev);
1325 /* initial device configuration: needed ? */
1326 mutex_lock(&dev->core->lock);
1327 // init_controls(core);
1328 cx88_set_tvnorm(core,core->tvnorm);
1329 cx88_video_mux(core,0);
1330 mutex_unlock(&dev->core->lock);
1338 static int cx8802_blackbird_remove(struct cx8802_driver *drv)
1341 blackbird_unregister_video(drv->core->dvbdev);
1346 static struct cx8802_driver cx8802_blackbird_driver = {
1347 .type_id = CX88_MPEG_BLACKBIRD,
1348 .hw_access = CX8802_DRVCTL_SHARED,
1349 .probe = cx8802_blackbird_probe,
1350 .remove = cx8802_blackbird_remove,
1351 .advise_acquire = cx8802_blackbird_advise_acquire,
1352 .advise_release = cx8802_blackbird_advise_release,
1355 static int blackbird_init(void)
1357 printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
1358 (CX88_VERSION_CODE >> 16) & 0xff,
1359 (CX88_VERSION_CODE >> 8) & 0xff,
1360 CX88_VERSION_CODE & 0xff);
1362 printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
1363 SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
1365 return cx8802_register_driver(&cx8802_blackbird_driver);
1368 static void blackbird_fini(void)
1370 cx8802_unregister_driver(&cx8802_blackbird_driver);
1373 module_init(blackbird_init);
1374 module_exit(blackbird_fini);
1376 module_param_named(video_debug,cx8802_mpeg_template.debug, int, 0644);
1377 MODULE_PARM_DESC(debug,"enable debug messages [video]");
1379 /* ----------------------------------------------------------- */
1384 * 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