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/v4l2-ioctl.h>
37 #include <media/cx2341x.h>
41 MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
42 MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>, Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
43 MODULE_LICENSE("GPL");
45 static unsigned int mpegbufs = 32;
46 module_param(mpegbufs,int,0644);
47 MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");
49 static unsigned int debug;
50 module_param(debug,int,0644);
51 MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");
53 #define dprintk(level,fmt, arg...) if (debug >= level) \
54 printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)
57 /* ------------------------------------------------------------------ */
59 #define BLACKBIRD_FIRM_IMAGE_SIZE 376836
61 /* defines below are from ivtv-driver.h */
63 #define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF
65 /* Firmware API commands */
66 #define IVTV_API_STD_TIMEOUT 500
68 enum blackbird_capture_type {
69 BLACKBIRD_MPEG_CAPTURE,
70 BLACKBIRD_RAW_CAPTURE,
71 BLACKBIRD_RAW_PASSTHRU_CAPTURE
73 enum blackbird_capture_bits {
74 BLACKBIRD_RAW_BITS_NONE = 0x00,
75 BLACKBIRD_RAW_BITS_YUV_CAPTURE = 0x01,
76 BLACKBIRD_RAW_BITS_PCM_CAPTURE = 0x02,
77 BLACKBIRD_RAW_BITS_VBI_CAPTURE = 0x04,
78 BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
79 BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE = 0x10
81 enum blackbird_capture_end {
82 BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
83 BLACKBIRD_END_NOW, /* stop immediately, no irq */
85 enum blackbird_framerate {
86 BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
87 BLACKBIRD_FRAMERATE_PAL_25 /* PAL: 25fps */
89 enum blackbird_stream_port {
90 BLACKBIRD_OUTPUT_PORT_MEMORY,
91 BLACKBIRD_OUTPUT_PORT_STREAMING,
92 BLACKBIRD_OUTPUT_PORT_SERIAL
94 enum blackbird_data_xfer_status {
95 BLACKBIRD_MORE_BUFFERS_FOLLOW,
96 BLACKBIRD_LAST_BUFFER,
98 enum blackbird_picture_mask {
99 BLACKBIRD_PICTURE_MASK_NONE,
100 BLACKBIRD_PICTURE_MASK_I_FRAMES,
101 BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
102 BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
104 enum blackbird_vbi_mode_bits {
105 BLACKBIRD_VBI_BITS_SLICED,
106 BLACKBIRD_VBI_BITS_RAW,
108 enum blackbird_vbi_insertion_bits {
109 BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
110 BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
111 BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
112 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
113 BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
115 enum blackbird_dma_unit {
117 BLACKBIRD_DMA_FRAMES,
119 enum blackbird_dma_transfer_status_bits {
120 BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
121 BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
122 BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
124 enum blackbird_pause {
125 BLACKBIRD_PAUSE_ENCODING,
126 BLACKBIRD_RESUME_ENCODING,
128 enum blackbird_copyright {
129 BLACKBIRD_COPYRIGHT_OFF,
130 BLACKBIRD_COPYRIGHT_ON,
132 enum blackbird_notification_type {
133 BLACKBIRD_NOTIFICATION_REFRESH,
135 enum blackbird_notification_status {
136 BLACKBIRD_NOTIFICATION_OFF,
137 BLACKBIRD_NOTIFICATION_ON,
139 enum blackbird_notification_mailbox {
140 BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
142 enum blackbird_field1_lines {
143 BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
144 BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
145 BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
147 enum blackbird_field2_lines {
148 BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
149 BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
150 BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
152 enum blackbird_custom_data_type {
153 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
154 BLACKBIRD_CUSTOM_PRIVATE_PACKET,
156 enum blackbird_mute {
160 enum blackbird_mute_video_mask {
161 BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
162 BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
163 BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
165 enum blackbird_mute_video_shift {
166 BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
167 BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
168 BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
172 #define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
173 #define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
174 #define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
175 #define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
176 #define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
177 #define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)
179 /* ------------------------------------------------------------------ */
181 static void host_setup(struct cx88_core *core)
183 /* toggle reset of the host */
184 cx_write(MO_GPHST_SOFT_RST, 1);
186 cx_write(MO_GPHST_SOFT_RST, 0);
189 /* host port setup */
190 cx_write(MO_GPHST_WSC, 0x44444444U);
191 cx_write(MO_GPHST_XFR, 0);
192 cx_write(MO_GPHST_WDTH, 15);
193 cx_write(MO_GPHST_HDSHK, 0);
194 cx_write(MO_GPHST_MUX16, 0x44448888U);
195 cx_write(MO_GPHST_MODE, 0);
198 /* ------------------------------------------------------------------ */
200 #define P1_MDATA0 0x390000
201 #define P1_MDATA1 0x390001
202 #define P1_MDATA2 0x390002
203 #define P1_MDATA3 0x390003
204 #define P1_MADDR2 0x390004
205 #define P1_MADDR1 0x390005
206 #define P1_MADDR0 0x390006
207 #define P1_RDATA0 0x390008
208 #define P1_RDATA1 0x390009
209 #define P1_RDATA2 0x39000A
210 #define P1_RDATA3 0x39000B
211 #define P1_RADDR0 0x39000C
212 #define P1_RADDR1 0x39000D
213 #define P1_RRDWR 0x39000E
215 static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
217 unsigned long timeout = jiffies + msecs_to_jiffies(1);
220 need = state ? 2 : 0;
222 gpio0 = cx_read(MO_GP0_IO) & 2;
225 if (time_after(jiffies,timeout))
231 static int memory_write(struct cx88_core *core, u32 address, u32 value)
233 /* Warning: address is dword address (4 bytes) */
234 cx_writeb(P1_MDATA0, (unsigned int)value);
235 cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
236 cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
237 cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
238 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
239 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
240 cx_writeb(P1_MADDR0, (unsigned int)address);
244 return wait_ready_gpio0_bit1(core,1);
247 static int memory_read(struct cx88_core *core, u32 address, u32 *value)
252 /* Warning: address is dword address (4 bytes) */
253 cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
254 cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
255 cx_writeb(P1_MADDR0, (unsigned int)address);
258 retval = wait_ready_gpio0_bit1(core,1);
260 cx_writeb(P1_MDATA3, 0);
261 val = (unsigned char)cx_read(P1_MDATA3) << 24;
262 cx_writeb(P1_MDATA2, 0);
263 val |= (unsigned char)cx_read(P1_MDATA2) << 16;
264 cx_writeb(P1_MDATA1, 0);
265 val |= (unsigned char)cx_read(P1_MDATA1) << 8;
266 cx_writeb(P1_MDATA0, 0);
267 val |= (unsigned char)cx_read(P1_MDATA0);
273 static int register_write(struct cx88_core *core, u32 address, u32 value)
275 cx_writeb(P1_RDATA0, (unsigned int)value);
276 cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
277 cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
278 cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
279 cx_writeb(P1_RADDR0, (unsigned int)address);
280 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
281 cx_writeb(P1_RRDWR, 1);
285 return wait_ready_gpio0_bit1(core,1);
289 static int register_read(struct cx88_core *core, u32 address, u32 *value)
294 cx_writeb(P1_RADDR0, (unsigned int)address);
295 cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
296 cx_writeb(P1_RRDWR, 0);
299 retval = wait_ready_gpio0_bit1(core,1);
300 val = (unsigned char)cx_read(P1_RDATA0);
301 val |= (unsigned char)cx_read(P1_RDATA1) << 8;
302 val |= (unsigned char)cx_read(P1_RDATA2) << 16;
303 val |= (unsigned char)cx_read(P1_RDATA3) << 24;
309 /* ------------------------------------------------------------------ */
311 static int blackbird_mbox_func(void *priv, u32 command, int in, int out, u32 data[CX2341X_MBOX_MAX_DATA])
313 struct cx8802_dev *dev = priv;
314 unsigned long timeout;
315 u32 value, flag, retval;
318 dprintk(1,"%s: 0x%X\n", __func__, command);
320 /* this may not be 100% safe if we can't read any memory location
321 without side effects */
322 memory_read(dev->core, dev->mailbox - 4, &value);
323 if (value != 0x12345678) {
324 dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
328 memory_read(dev->core, dev->mailbox, &flag);
330 dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
334 flag |= 1; /* tell 'em we're working on it */
335 memory_write(dev->core, dev->mailbox, flag);
337 /* write command + args + fill remaining with zeros */
338 memory_write(dev->core, dev->mailbox + 1, command); /* command code */
339 memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
340 for (i = 0; i < in; i++) {
341 memory_write(dev->core, dev->mailbox + 4 + i, data[i]);
342 dprintk(1, "API Input %d = %d\n", i, data[i]);
344 for (; i < CX2341X_MBOX_MAX_DATA; i++)
345 memory_write(dev->core, dev->mailbox + 4 + i, 0);
347 flag |= 3; /* tell 'em we're done writing */
348 memory_write(dev->core, dev->mailbox, flag);
350 /* wait for firmware to handle the API command */
351 timeout = jiffies + msecs_to_jiffies(10);
353 memory_read(dev->core, dev->mailbox, &flag);
356 if (time_after(jiffies,timeout)) {
357 dprintk(0, "ERROR: API Mailbox timeout\n");
363 /* read output values */
364 for (i = 0; i < out; i++) {
365 memory_read(dev->core, dev->mailbox + 4 + i, data + i);
366 dprintk(1, "API Output %d = %d\n", i, data[i]);
369 memory_read(dev->core, dev->mailbox + 2, &retval);
370 dprintk(1, "API result = %d\n",retval);
373 memory_write(dev->core, dev->mailbox, flag);
376 /* ------------------------------------------------------------------ */
378 /* We don't need to call the API often, so using just one mailbox will probably suffice */
379 static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
380 u32 inputcnt, u32 outputcnt, ...)
382 u32 data[CX2341X_MBOX_MAX_DATA];
386 va_start(vargs, outputcnt);
388 for (i = 0; i < inputcnt; i++) {
389 data[i] = va_arg(vargs, int);
391 err = blackbird_mbox_func(dev, command, inputcnt, outputcnt, data);
392 for (i = 0; i < outputcnt; i++) {
393 int *vptr = va_arg(vargs, int *);
400 static int blackbird_find_mailbox(struct cx8802_dev *dev)
402 u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
407 for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
408 memory_read(dev->core, i, &value);
409 if (value == signature[signaturecnt])
413 if (4 == signaturecnt) {
414 dprintk(1, "Mailbox signature found\n");
418 dprintk(0, "Mailbox signature values not found!\n");
422 static int blackbird_load_firmware(struct cx8802_dev *dev)
424 static const unsigned char magic[8] = {
425 0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
427 const struct firmware *firmware;
433 retval = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
434 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
435 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
436 retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
438 retval |= register_write(dev->core, IVTV_REG_APU, 0);
441 dprintk(0, "Error with register_write\n");
443 retval = request_firmware(&firmware, CX2341X_FIRM_ENC_FILENAME,
448 dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
449 CX2341X_FIRM_ENC_FILENAME);
450 dprintk(0, "Please fix your hotplug setup, the board will "
451 "not work without firmware loaded!\n");
455 if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
456 dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
457 firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
458 release_firmware(firmware);
462 if (0 != memcmp(firmware->data, magic, 8)) {
463 dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
464 release_firmware(firmware);
468 /* transfer to the chip */
469 dprintk(1,"Loading firmware ...\n");
470 dataptr = (u32*)firmware->data;
471 for (i = 0; i < (firmware->size >> 2); i++) {
474 memory_write(dev->core, i, value);
478 /* read back to verify with the checksum */
479 for (i--; i >= 0; i--) {
480 memory_read(dev->core, i, &value);
484 dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
485 release_firmware(firmware);
488 release_firmware(firmware);
489 dprintk(0, "Firmware upload successful.\n");
491 retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
492 retval |= register_read(dev->core, IVTV_REG_SPU, &value);
493 retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
496 retval |= register_read(dev->core, IVTV_REG_VPU, &value);
497 retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);
500 dprintk(0, "Error with register_write\n");
505 Settings used by the windows tv app for PVR2000:
506 =================================================================================================================
507 Profile | Codec | Resolution | CBR/VBR | Video Qlty | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
508 -----------------------------------------------------------------------------------------------------------------
509 MPEG-1 | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 2000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
510 MPEG-2 | MPEG2 | 720x576PAL | VBR | 600 :Good | 4000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
511 VCD | MPEG1 | 352x288PAL | (CBR) | 1000:Optimal | 1150 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
512 DVD | MPEG2 | 720x576PAL | VBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
513 DB* DVD | MPEG2 | 720x576PAL | CBR | 600 :Good | 6000 Kbps | 25fps | MPG1 Layer2 | 224kbps | Stereo
514 =================================================================================================================
518 static void blackbird_codec_settings(struct cx8802_dev *dev)
520 /* assign frame size */
521 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
522 dev->height, dev->width);
524 dev->params.width = dev->width;
525 dev->params.height = dev->height;
526 dev->params.is_50hz = (dev->core->tvnorm & V4L2_STD_625_50) != 0;
528 cx2341x_update(dev, blackbird_mbox_func, NULL, &dev->params);
531 static int blackbird_initialize_codec(struct cx8802_dev *dev)
533 struct cx88_core *core = dev->core;
537 dprintk(1,"Initialize codec\n");
538 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
541 dev->mpeg_active = 0;
543 /* ping was not successful, reset and upload firmware */
544 cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
545 cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
546 retval = blackbird_load_firmware(dev);
550 retval = blackbird_find_mailbox(dev);
554 dev->mailbox = retval;
556 retval = blackbird_api_cmd(dev, CX2341X_ENC_PING_FW, 0, 0); /* ping */
558 dprintk(0, "ERROR: Firmware ping failed!\n");
562 retval = blackbird_api_cmd(dev, CX2341X_ENC_GET_VERSION, 0, 1, &version);
564 dprintk(0, "ERROR: Firmware get encoder version failed!\n");
567 dprintk(0, "Firmware version is 0x%08x\n", version);
570 cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
571 cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
572 cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
573 cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */
575 blackbird_codec_settings(dev);
577 blackbird_api_cmd(dev, CX2341X_ENC_SET_NUM_VSYNC_LINES, 2, 0,
578 BLACKBIRD_FIELD1_SAA7115,
579 BLACKBIRD_FIELD2_SAA7115
582 blackbird_api_cmd(dev, CX2341X_ENC_SET_PLACEHOLDER, 12, 0,
583 BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
584 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
589 static int blackbird_start_codec(struct file *file, void *priv)
591 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
592 struct cx88_core *core = dev->core;
593 /* start capturing to the host interface */
600 for (i = 0; (i < 10) && (i < (lastchange + 4)); i++) {
601 reg = cx_read(AUD_STATUS);
603 dprintk(1, "AUD_STATUS:%dL: 0x%x\n", i, reg);
604 if ((reg & 0x0F) != lastval) {
605 lastval = reg & 0x0F;
611 /* unmute audio source */
612 cx_clear(AUD_VOL_CTL, (1 << 6));
614 blackbird_api_cmd(dev, CX2341X_ENC_REFRESH_INPUT, 0, 0);
616 /* initialize the video input */
617 blackbird_api_cmd(dev, CX2341X_ENC_INITIALIZE_INPUT, 0, 0);
619 /* start capturing to the host interface */
620 blackbird_api_cmd(dev, CX2341X_ENC_START_CAPTURE, 2, 0,
621 BLACKBIRD_MPEG_CAPTURE,
622 BLACKBIRD_RAW_BITS_NONE
625 dev->mpeg_active = 1;
629 static int blackbird_stop_codec(struct cx8802_dev *dev)
631 blackbird_api_cmd(dev, CX2341X_ENC_STOP_CAPTURE, 3, 0,
633 BLACKBIRD_MPEG_CAPTURE,
634 BLACKBIRD_RAW_BITS_NONE
637 dev->mpeg_active = 0;
641 /* ------------------------------------------------------------------ */
643 static int bb_buf_setup(struct videobuf_queue *q,
644 unsigned int *count, unsigned int *size)
646 struct cx8802_fh *fh = q->priv_data;
648 fh->dev->ts_packet_size = 188 * 4; /* was: 512 */
649 fh->dev->ts_packet_count = mpegbufs; /* was: 100 */
651 *size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
652 *count = fh->dev->ts_packet_count;
657 bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
658 enum v4l2_field field)
660 struct cx8802_fh *fh = q->priv_data;
661 return cx8802_buf_prepare(q, fh->dev, (struct cx88_buffer*)vb, field);
665 bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
667 struct cx8802_fh *fh = q->priv_data;
668 cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
672 bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
674 cx88_free_buffer(q, (struct cx88_buffer*)vb);
677 static struct videobuf_queue_ops blackbird_qops = {
678 .buf_setup = bb_buf_setup,
679 .buf_prepare = bb_buf_prepare,
680 .buf_queue = bb_buf_queue,
681 .buf_release = bb_buf_release,
684 /* ------------------------------------------------------------------ */
686 static const u32 *ctrl_classes[] = {
692 static int blackbird_queryctrl(struct cx8802_dev *dev, struct v4l2_queryctrl *qctrl)
694 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
698 /* Standard V4L2 controls */
699 if (cx8800_ctrl_query(dev->core, qctrl) == 0)
702 /* MPEG V4L2 controls */
703 if (cx2341x_ctrl_query(&dev->params, qctrl))
704 qctrl->flags |= V4L2_CTRL_FLAG_DISABLED;
708 /* ------------------------------------------------------------------ */
711 static int vidioc_querymenu (struct file *file, void *priv,
712 struct v4l2_querymenu *qmenu)
714 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
715 struct v4l2_queryctrl qctrl;
717 qctrl.id = qmenu->id;
718 blackbird_queryctrl(dev, &qctrl);
719 return v4l2_ctrl_query_menu(qmenu, &qctrl,
720 cx2341x_ctrl_get_menu(&dev->params, qmenu->id));
723 static int vidioc_querycap (struct file *file, void *priv,
724 struct v4l2_capability *cap)
726 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
727 struct cx88_core *core = dev->core;
729 strcpy(cap->driver, "cx88_blackbird");
730 strlcpy(cap->card, core->board.name, sizeof(cap->card));
731 sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
732 cap->version = CX88_VERSION_CODE;
734 V4L2_CAP_VIDEO_CAPTURE |
737 if (UNSET != core->board.tuner_type)
738 cap->capabilities |= V4L2_CAP_TUNER;
742 static int vidioc_enum_fmt_vid_cap (struct file *file, void *priv,
743 struct v4l2_fmtdesc *f)
748 strlcpy(f->description, "MPEG", sizeof(f->description));
749 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
750 f->pixelformat = V4L2_PIX_FMT_MPEG;
754 static int vidioc_g_fmt_vid_cap (struct file *file, void *priv,
755 struct v4l2_format *f)
757 struct cx8802_fh *fh = priv;
758 struct cx8802_dev *dev = fh->dev;
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 f->fmt.pix.width = dev->width;
766 f->fmt.pix.height = dev->height;
767 f->fmt.pix.field = fh->mpegq.field;
768 dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
769 dev->width, dev->height, fh->mpegq.field );
773 static int vidioc_try_fmt_vid_cap (struct file *file, void *priv,
774 struct v4l2_format *f)
776 struct cx8802_fh *fh = priv;
777 struct cx8802_dev *dev = fh->dev;
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 dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
785 dev->width, dev->height, fh->mpegq.field );
789 static int vidioc_s_fmt_vid_cap (struct file *file, void *priv,
790 struct v4l2_format *f)
792 struct cx8802_fh *fh = priv;
793 struct cx8802_dev *dev = fh->dev;
794 struct cx88_core *core = dev->core;
796 f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
797 f->fmt.pix.pixelformat = V4L2_PIX_FMT_MPEG;
798 f->fmt.pix.bytesperline = 0;
799 f->fmt.pix.sizeimage = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
800 f->fmt.pix.colorspace = 0;
801 dev->width = f->fmt.pix.width;
802 dev->height = f->fmt.pix.height;
803 fh->mpegq.field = f->fmt.pix.field;
804 cx88_set_scale(core, f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field);
805 blackbird_api_cmd(dev, CX2341X_ENC_SET_FRAME_SIZE, 2, 0,
806 f->fmt.pix.height, f->fmt.pix.width);
807 dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
808 f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
812 static int vidioc_reqbufs (struct file *file, void *priv, struct v4l2_requestbuffers *p)
814 struct cx8802_fh *fh = priv;
815 return (videobuf_reqbufs(&fh->mpegq, p));
818 static int vidioc_querybuf (struct file *file, void *priv, struct v4l2_buffer *p)
820 struct cx8802_fh *fh = priv;
821 return (videobuf_querybuf(&fh->mpegq, p));
824 static int vidioc_qbuf (struct file *file, void *priv, struct v4l2_buffer *p)
826 struct cx8802_fh *fh = priv;
827 return (videobuf_qbuf(&fh->mpegq, p));
830 static int vidioc_dqbuf (struct file *file, void *priv, struct v4l2_buffer *p)
832 struct cx8802_fh *fh = priv;
833 return (videobuf_dqbuf(&fh->mpegq, p,
834 file->f_flags & O_NONBLOCK));
837 static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i)
839 struct cx8802_fh *fh = priv;
840 return videobuf_streamon(&fh->mpegq);
843 static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i)
845 struct cx8802_fh *fh = priv;
846 return videobuf_streamoff(&fh->mpegq);
849 static int vidioc_g_ext_ctrls (struct file *file, void *priv,
850 struct v4l2_ext_controls *f)
852 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
854 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
856 return cx2341x_ext_ctrls(&dev->params, 0, f, VIDIOC_G_EXT_CTRLS);
859 static int vidioc_s_ext_ctrls (struct file *file, void *priv,
860 struct v4l2_ext_controls *f)
862 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
863 struct cx2341x_mpeg_params p;
866 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
869 if (dev->mpeg_active)
870 blackbird_stop_codec(dev);
873 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_S_EXT_CTRLS);
875 err = cx2341x_update(dev, blackbird_mbox_func, &dev->params, &p);
881 static int vidioc_try_ext_ctrls (struct file *file, void *priv,
882 struct v4l2_ext_controls *f)
884 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
885 struct cx2341x_mpeg_params p;
888 if (f->ctrl_class != V4L2_CTRL_CLASS_MPEG)
891 err = cx2341x_ext_ctrls(&p, 0, f, VIDIOC_TRY_EXT_CTRLS);
896 static int vidioc_s_frequency (struct file *file, void *priv,
897 struct v4l2_frequency *f)
899 struct cx8802_fh *fh = priv;
900 struct cx8802_dev *dev = fh->dev;
901 struct cx88_core *core = dev->core;
903 if (dev->mpeg_active)
904 blackbird_stop_codec(dev);
906 cx88_set_freq (core,f);
907 blackbird_initialize_codec(dev);
908 cx88_set_scale(dev->core, dev->width, dev->height,
913 static int vidioc_log_status (struct file *file, void *priv)
915 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
916 struct cx88_core *core = dev->core;
919 snprintf(name, sizeof(name), "%s/2", core->name);
920 printk("%s/2: ============ START LOG STATUS ============\n",
922 cx88_call_i2c_clients(core, VIDIOC_LOG_STATUS, NULL);
923 cx2341x_log_status(&dev->params, name);
924 printk("%s/2: ============= END LOG STATUS =============\n",
929 static int vidioc_queryctrl (struct file *file, void *priv,
930 struct v4l2_queryctrl *qctrl)
932 struct cx8802_dev *dev = ((struct cx8802_fh *)priv)->dev;
934 if (blackbird_queryctrl(dev, qctrl) == 0)
937 qctrl->id = v4l2_ctrl_next(ctrl_classes, qctrl->id);
938 if (unlikely(qctrl->id == 0))
940 return cx8800_ctrl_query(dev->core, qctrl);
943 static int vidioc_enum_input (struct file *file, void *priv,
944 struct v4l2_input *i)
946 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
947 return cx88_enum_input (core,i);
950 static int vidioc_g_ctrl (struct file *file, void *priv,
951 struct v4l2_control *ctl)
953 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
955 cx88_get_control(core,ctl);
958 static int vidioc_s_ctrl (struct file *file, void *priv,
959 struct v4l2_control *ctl)
961 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
963 cx88_set_control(core,ctl);
966 static int vidioc_g_frequency (struct file *file, void *priv,
967 struct v4l2_frequency *f)
969 struct cx8802_fh *fh = priv;
970 struct cx88_core *core = fh->dev->core;
972 if (unlikely(UNSET == core->board.tuner_type))
975 f->type = V4L2_TUNER_ANALOG_TV;
976 f->frequency = core->freq;
977 cx88_call_i2c_clients(core,VIDIOC_G_FREQUENCY,f);
982 static int vidioc_g_input (struct file *file, void *priv, unsigned int *i)
984 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
990 static int vidioc_s_input (struct file *file, void *priv, unsigned int i)
992 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
997 mutex_lock(&core->lock);
998 cx88_newstation(core);
999 cx88_video_mux(core,i);
1000 mutex_unlock(&core->lock);
1004 static int vidioc_g_tuner (struct file *file, void *priv,
1005 struct v4l2_tuner *t)
1007 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1010 if (unlikely(UNSET == core->board.tuner_type))
1015 strcpy(t->name, "Television");
1016 t->type = V4L2_TUNER_ANALOG_TV;
1017 t->capability = V4L2_TUNER_CAP_NORM;
1018 t->rangehigh = 0xffffffffUL;
1020 cx88_get_stereo(core ,t);
1021 reg = cx_read(MO_DEVICE_STATUS);
1022 t->signal = (reg & (1<<5)) ? 0xffff : 0x0000;
1026 static int vidioc_s_tuner (struct file *file, void *priv,
1027 struct v4l2_tuner *t)
1029 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1031 if (UNSET == core->board.tuner_type)
1036 cx88_set_stereo(core, t->audmode, 1);
1040 static int vidioc_s_std (struct file *file, void *priv, v4l2_std_id *id)
1042 struct cx88_core *core = ((struct cx8802_fh *)priv)->dev->core;
1044 mutex_lock(&core->lock);
1045 cx88_set_tvnorm(core,*id);
1046 mutex_unlock(&core->lock);
1050 /* FIXME: cx88_ioctl_hook not implemented */
1052 static int mpeg_open(struct inode *inode, struct file *file)
1054 int minor = iminor(inode);
1055 struct cx8802_dev *dev = NULL;
1056 struct cx8802_fh *fh;
1057 struct cx8802_driver *drv = NULL;
1060 dev = cx8802_get_device(inode);
1062 dprintk( 1, "%s\n", __func__);
1067 /* Make sure we can acquire the hardware */
1068 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1070 err = drv->request_acquire(drv);
1072 dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
1077 if (blackbird_initialize_codec(dev) < 0) {
1079 drv->request_release(drv);
1082 dprintk(1,"open minor=%d\n",minor);
1084 /* allocate + initialize per filehandle data */
1085 fh = kzalloc(sizeof(*fh),GFP_KERNEL);
1088 drv->request_release(drv);
1091 file->private_data = fh;
1094 videobuf_queue_sg_init(&fh->mpegq, &blackbird_qops,
1095 &dev->pci->dev, &dev->slock,
1096 V4L2_BUF_TYPE_VIDEO_CAPTURE,
1097 V4L2_FIELD_INTERLACED,
1098 sizeof(struct cx88_buffer),
1101 /* FIXME: locking against other video device */
1102 cx88_set_scale(dev->core, dev->width, dev->height,
1108 static int mpeg_release(struct inode *inode, struct file *file)
1110 struct cx8802_fh *fh = file->private_data;
1111 struct cx8802_dev *dev = fh->dev;
1112 struct cx8802_driver *drv = NULL;
1114 if (dev->mpeg_active)
1115 blackbird_stop_codec(dev);
1117 cx8802_cancel_buffers(fh->dev);
1118 /* stop mpeg capture */
1119 videobuf_stop(&fh->mpegq);
1121 videobuf_mmap_free(&fh->mpegq);
1122 file->private_data = NULL;
1125 /* Make sure we release the hardware */
1126 dev = cx8802_get_device(inode);
1130 drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
1132 drv->request_release(drv);
1138 mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
1140 struct cx8802_fh *fh = file->private_data;
1141 struct cx8802_dev *dev = fh->dev;
1143 if (!dev->mpeg_active)
1144 blackbird_start_codec(file, fh);
1146 return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
1147 file->f_flags & O_NONBLOCK);
1151 mpeg_poll(struct file *file, struct poll_table_struct *wait)
1153 struct cx8802_fh *fh = file->private_data;
1155 return videobuf_poll_stream(file, &fh->mpegq, wait);
1159 mpeg_mmap(struct file *file, struct vm_area_struct * vma)
1161 struct cx8802_fh *fh = file->private_data;
1163 return videobuf_mmap_mapper(&fh->mpegq, vma);
1166 static const struct file_operations mpeg_fops =
1168 .owner = THIS_MODULE,
1170 .release = mpeg_release,
1174 .ioctl = video_ioctl2,
1175 .llseek = no_llseek,
1178 static const struct v4l2_ioctl_ops mpeg_ioctl_ops = {
1179 .vidioc_querymenu = vidioc_querymenu,
1180 .vidioc_querycap = vidioc_querycap,
1181 .vidioc_enum_fmt_vid_cap = vidioc_enum_fmt_vid_cap,
1182 .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap,
1183 .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap,
1184 .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap,
1185 .vidioc_reqbufs = vidioc_reqbufs,
1186 .vidioc_querybuf = vidioc_querybuf,
1187 .vidioc_qbuf = vidioc_qbuf,
1188 .vidioc_dqbuf = vidioc_dqbuf,
1189 .vidioc_streamon = vidioc_streamon,
1190 .vidioc_streamoff = vidioc_streamoff,
1191 .vidioc_g_ext_ctrls = vidioc_g_ext_ctrls,
1192 .vidioc_s_ext_ctrls = vidioc_s_ext_ctrls,
1193 .vidioc_try_ext_ctrls = vidioc_try_ext_ctrls,
1194 .vidioc_s_frequency = vidioc_s_frequency,
1195 .vidioc_log_status = vidioc_log_status,
1196 .vidioc_queryctrl = vidioc_queryctrl,
1197 .vidioc_enum_input = vidioc_enum_input,
1198 .vidioc_g_ctrl = vidioc_g_ctrl,
1199 .vidioc_s_ctrl = vidioc_s_ctrl,
1200 .vidioc_g_frequency = vidioc_g_frequency,
1201 .vidioc_g_input = vidioc_g_input,
1202 .vidioc_s_input = vidioc_s_input,
1203 .vidioc_g_tuner = vidioc_g_tuner,
1204 .vidioc_s_tuner = vidioc_s_tuner,
1205 .vidioc_s_std = vidioc_s_std,
1208 static struct video_device cx8802_mpeg_template = {
1211 .ioctl_ops = &mpeg_ioctl_ops,
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", __func__);
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