2 * 1. Redistributions of source code must retain the
3 * Copyright (c) 1997 Amancio Hasty, 1999 Roger Hardiman
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Amancio Hasty and
18 * 4. The name of the author may not be used to endorse or promote products
19 * derived from this software without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
23 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
26 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
29 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
34 * 1. Redistributions of source code must retain the
35 * Copyright (c) 1995 Mark Tinguely and Jim Lowe
36 * All rights reserved.
38 * Redistribution and use in source and binary forms, with or without
39 * modification, are permitted provided that the following conditions
41 * 1. Redistributions of source code must retain the above copyright
42 * notice, this list of conditions and the following disclaimer.
43 * 2. Redistributions in binary form must reproduce the above copyright
44 * notice, this list of conditions and the following disclaimer in the
45 * documentation and/or other materials provided with the distribution.
46 * 3. All advertising materials mentioning features or use of this software
47 * must display the following acknowledgement:
48 * This product includes software developed by Mark Tinguely and Jim Lowe
49 * 4. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission.
52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
54 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
55 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
56 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
57 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
58 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
59 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
60 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
61 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
62 * POSSIBILITY OF SUCH DAMAGE.
65 #include <sys/cdefs.h>
66 __FBSDID("$FreeBSD$");
69 * This is part of the Driver for Video Capture Cards (Frame grabbers)
70 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
72 * Copyright Roger Hardiman and Amancio Hasty.
74 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,
75 * Handles all the open, close, ioctl and read userland calls.
76 * Sets the Bt848 registers and generates RISC pograms.
77 * Controls the i2c bus and GPIO interface.
78 * Contains the interface to the kernel.
79 * (eg probe/attach and open/close/ioctl)
83 The Brooktree BT848 Driver driver is based upon Mark Tinguely and
84 Jim Lowe's driver for the Matrox Meteor PCI card . The
85 Philips SAA 7116 and SAA 7196 are very different chipsets than
88 The original copyright notice by Mark and Jim is included mostly
89 to honor their fantastic work in the Matrox Meteor driver!
92 #include "opt_bktr.h" /* Include any kernel config options */
95 (defined(__FreeBSD__)) \
96 || (defined(__bsdi__)) \
97 || (defined(__OpenBSD__)) \
98 || (defined(__NetBSD__)) \
102 /*******************/
103 /* *** FreeBSD *** */
104 /*******************/
107 #include <sys/param.h>
108 #include <sys/systm.h>
109 #include <sys/kernel.h>
110 #include <sys/fcntl.h>
111 #include <sys/lock.h>
112 #include <sys/malloc.h>
113 #include <sys/mutex.h>
114 #include <sys/proc.h>
115 #include <sys/signalvar.h>
116 #include <sys/selinfo.h>
120 #include <vm/vm_kern.h>
122 #include <vm/vm_extern.h>
124 #include <sys/bus.h> /* used by smbus and newbus */
126 #if (__FreeBSD_version < 500000)
127 #include <machine/clock.h> /* for DELAY */
129 #define PROC_UNLOCK(p)
130 #include <pci/pcivar.h>
132 #include <dev/pci/pcivar.h>
135 #include <machine/bus.h>
138 #include <dev/bktr/ioctl_meteor.h>
139 #include <dev/bktr/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
140 #include <dev/bktr/bktr_reg.h>
141 #include <dev/bktr/bktr_tuner.h>
142 #include <dev/bktr/bktr_card.h>
143 #include <dev/bktr/bktr_audio.h>
144 #include <dev/bktr/bktr_os.h>
145 #include <dev/bktr/bktr_core.h>
146 #if defined(BKTR_FREEBSD_MODULE)
147 #include <dev/bktr/bktr_mem.h>
150 #if defined(BKTR_USE_FREEBSD_SMBUS)
151 #include <dev/bktr/bktr_i2c.h>
152 #include <dev/smbus/smbconf.h>
153 #include <dev/iicbus/iiconf.h>
154 #include "smbus_if.h"
155 #include "iicbus_if.h"
159 bktr_name(bktr_ptr_t bktr)
161 return bktr->bktr_xname;
165 #endif /* __FreeBSD__ */
173 #define PROC_UNLOCK(p)
174 #endif /* __bsdi__ */
177 /**************************/
178 /* *** OpenBSD/NetBSD *** */
179 /**************************/
180 #if defined(__NetBSD__) || defined(__OpenBSD__)
182 #include <sys/param.h>
183 #include <sys/systm.h>
184 #include <sys/kernel.h>
185 #include <sys/signalvar.h>
186 #include <sys/vnode.h>
189 #include <uvm/uvm_extern.h>
192 #include <vm/vm_kern.h>
194 #include <vm/vm_extern.h>
197 #include <sys/inttypes.h> /* uintptr_t */
198 #include <dev/ic/bt8xx.h>
199 #include <dev/pci/bktr/bktr_reg.h>
200 #include <dev/pci/bktr/bktr_tuner.h>
201 #include <dev/pci/bktr/bktr_card.h>
202 #include <dev/pci/bktr/bktr_audio.h>
203 #include <dev/pci/bktr/bktr_core.h>
204 #include <dev/pci/bktr/bktr_os.h>
206 static int bt848_format = -1;
209 bktr_name(bktr_ptr_t bktr)
211 return (bktr->bktr_dev.dv_xname);
215 #define PROC_UNLOCK(p)
217 #endif /* __NetBSD__ || __OpenBSD__ */
220 typedef u_char bool_t;
222 #define BKTRPRI (PZERO+8)|PCATCH
223 #define VBIPRI (PZERO-4)|PCATCH
227 * memory allocated for DMA programs
229 #define DMA_PROG_ALLOC (8 * PAGE_SIZE)
231 /* When to split a dma transfer , the bt848 has timing as well as
232 dma transfer size limitations so that we have to split dma
233 transfers into two dma requests
235 #define DMA_BT848_SPLIT 319*2
238 * Allocate enough memory for:
239 * 768x576 RGB 16 or YUV (16 storage bits/pixel) = 884736 = 216 pages
241 * You may override this using the options "BROOKTREE_ALLOC_PAGES=value"
242 * in your kernel configuration file.
245 #ifndef BROOKTREE_ALLOC_PAGES
246 #define BROOKTREE_ALLOC_PAGES 217*4
248 #define BROOKTREE_ALLOC (BROOKTREE_ALLOC_PAGES * PAGE_SIZE)
250 /* Definitions for VBI capture.
251 * There are 16 VBI lines in a PAL video field (32 in a frame),
252 * and we take 2044 samples from each line (placed in a 2048 byte buffer
254 * VBI lines are held in a circular buffer before being read by a
255 * user program from /dev/vbi.
258 #define MAX_VBI_LINES 16 /* Maximum for all vidoe formats */
259 #define VBI_LINE_SIZE 2048 /* Store up to 2048 bytes per line */
260 #define VBI_BUFFER_ITEMS 20 /* Number of frames we buffer */
261 #define VBI_DATA_SIZE (VBI_LINE_SIZE * MAX_VBI_LINES * 2)
262 #define VBI_BUFFER_SIZE (VBI_DATA_SIZE * VBI_BUFFER_ITEMS)
265 /* Defines for fields */
271 * Parameters describing size of transmitted image.
274 static struct format_params format_params[] = {
275 /* # define BT848_IFORM_F_AUTO (0x0) - don't matter. */
276 { 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_AUTO,
278 /* # define BT848_IFORM_F_NTSCM (0x1) */
279 { 525, 26, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
281 /* # define BT848_IFORM_F_NTSCJ (0x2) */
282 { 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
284 /* # define BT848_IFORM_F_PALBDGHI (0x3) */
285 { 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
287 /* # define BT848_IFORM_F_PALM (0x4) */
288 { 525, 22, 480, 910, 135, 754, 640, 780, 30, 0x68, 0x5d, BT848_IFORM_X_XT0,
290 /* # define BT848_IFORM_F_PALN (0x5) */
291 { 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT1,
293 /* # define BT848_IFORM_F_SECAM (0x6) */
294 { 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0xa0, BT848_IFORM_X_XT1,
296 /* # define BT848_IFORM_F_RSVD (0x7) - ???? */
297 { 625, 32, 576, 1135, 186, 924, 768, 944, 25, 0x7f, 0x72, BT848_IFORM_X_XT0,
302 * Table of supported Pixel Formats
305 static struct meteor_pixfmt_internal {
306 struct meteor_pixfmt public;
310 { { 0, METEOR_PIXTYPE_RGB, 2, { 0x7c00, 0x03e0, 0x001f }, 0,0 }, 0x33 },
311 { { 0, METEOR_PIXTYPE_RGB, 2, { 0x7c00, 0x03e0, 0x001f }, 1,0 }, 0x33 },
313 { { 0, METEOR_PIXTYPE_RGB, 2, { 0xf800, 0x07e0, 0x001f }, 0,0 }, 0x22 },
314 { { 0, METEOR_PIXTYPE_RGB, 2, { 0xf800, 0x07e0, 0x001f }, 1,0 }, 0x22 },
316 { { 0, METEOR_PIXTYPE_RGB, 3, { 0xff0000,0x00ff00,0x0000ff }, 1,0 }, 0x11 },
318 { { 0, METEOR_PIXTYPE_RGB, 4, { 0xff0000,0x00ff00,0x0000ff }, 0,0 }, 0x00 },
319 { { 0, METEOR_PIXTYPE_RGB, 4, { 0xff0000,0x00ff00,0x0000ff }, 0,1 }, 0x00 },
320 { { 0, METEOR_PIXTYPE_RGB, 4, { 0xff0000,0x00ff00,0x0000ff }, 1,0 }, 0x00 },
321 { { 0, METEOR_PIXTYPE_RGB, 4, { 0xff0000,0x00ff00,0x0000ff }, 1,1 }, 0x00 },
322 { { 0, METEOR_PIXTYPE_YUV, 2, { 0xff0000,0x00ff00,0x0000ff }, 1,1 }, 0x88 },
323 { { 0, METEOR_PIXTYPE_YUV_PACKED, 2, { 0xff0000,0x00ff00,0x0000ff }, 0,1 }, 0x44 },
324 { { 0, METEOR_PIXTYPE_YUV_12, 2, { 0xff0000,0x00ff00,0x0000ff }, 1,1 }, 0x88 },
327 #define PIXFMT_TABLE_SIZE nitems(pixfmt_table)
330 * Table of Meteor-supported Pixel Formats (for SETGEO compatibility)
333 /* FIXME: Also add YUV_422 and YUV_PACKED as well */
335 u_long meteor_format;
336 struct meteor_pixfmt public;
337 } meteor_pixfmt_table[] = {
339 { 0, METEOR_PIXTYPE_YUV_12, 2, { 0xff0000,0x00ff00,0x0000ff }, 1,1 }
342 /* FIXME: Should byte swap flag be on for this one; negative in drvr? */
343 { METEOR_GEO_YUV_422,
344 { 0, METEOR_PIXTYPE_YUV, 2, { 0xff0000,0x00ff00,0x0000ff }, 1,1 }
346 { METEOR_GEO_YUV_PACKED,
347 { 0, METEOR_PIXTYPE_YUV_PACKED, 2, { 0xff0000,0x00ff00,0x0000ff }, 0,1 }
350 { 0, METEOR_PIXTYPE_RGB, 2, { 0x7c00, 0x03e0, 0x001f }, 0, 0 }
353 { 0, METEOR_PIXTYPE_RGB, 4, { 0xff0000, 0x00ff00, 0x0000ff }, 0, 0 }
357 #define METEOR_PIXFMT_TABLE_SIZE nitems(meteor_pixfmt_table)
360 #define BSWAP (BT848_COLOR_CTL_BSWAP_ODD | BT848_COLOR_CTL_BSWAP_EVEN)
361 #define WSWAP (BT848_COLOR_CTL_WSWAP_ODD | BT848_COLOR_CTL_WSWAP_EVEN)
365 /* sync detect threshold */
367 #define SYNC_LEVEL (BT848_ADC_RESERVED | \
368 BT848_ADC_CRUSH) /* threshold ~125 mV */
370 #define SYNC_LEVEL (BT848_ADC_RESERVED | \
371 BT848_ADC_SYNC_T) /* threshold ~75 mV */
377 /* debug utility for holding previous INT_STAT contents */
379 static u_long status_sum = 0;
382 * defines to make certain bit-fiddles understandable
384 #define FIFO_ENABLED BT848_DMA_CTL_FIFO_EN
385 #define RISC_ENABLED BT848_DMA_CTL_RISC_EN
386 #define FIFO_RISC_ENABLED (BT848_DMA_CTL_FIFO_EN | BT848_DMA_CTL_RISC_EN)
387 #define FIFO_RISC_DISABLED 0
389 #define ALL_INTS_DISABLED 0
390 #define ALL_INTS_CLEARED 0xffffffff
391 #define CAPTURE_OFF 0
393 #define BIT_SEVEN_HIGH (1<<7)
394 #define BIT_EIGHT_HIGH (1<<8)
396 #define I2C_BITS (BT848_INT_RACK | BT848_INT_I2CDONE)
397 #define TDEC_BITS (BT848_INT_FDSR | BT848_INT_FBUS)
401 static int oformat_meteor_to_bt( u_long format );
403 static u_int pixfmt_swap_flags( int pixfmt );
406 * bt848 RISC programming routines.
409 static int dump_bt848( bktr_ptr_t bktr );
412 static void yuvpack_prog( bktr_ptr_t bktr, char i_flag, int cols,
413 int rows, int interlace );
414 static void yuv422_prog( bktr_ptr_t bktr, char i_flag, int cols,
415 int rows, int interlace );
416 static void yuv12_prog( bktr_ptr_t bktr, char i_flag, int cols,
417 int rows, int interlace );
418 static void rgb_prog( bktr_ptr_t bktr, char i_flag, int cols,
419 int rows, int interlace );
420 static void rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols,
421 int rows, int interlace );
422 static void build_dma_prog( bktr_ptr_t bktr, char i_flag );
424 static bool_t getline(bktr_reg_t *, int);
425 static bool_t notclipped(bktr_reg_t * , int , int);
426 static bool_t split(bktr_reg_t *, volatile uint32_t **, int, u_long, int,
427 volatile u_char ** , int );
429 static void start_capture( bktr_ptr_t bktr, unsigned type );
430 static void set_fps( bktr_ptr_t bktr, u_short fps );
435 * Remote Control Functions
437 static void remote_read(bktr_ptr_t bktr, struct bktr_remote *remote);
441 * ioctls common to both video & tuner.
443 static int common_ioctl( bktr_ptr_t bktr, ioctl_cmd_t cmd, caddr_t arg );
446 #if !defined(BKTR_USE_FREEBSD_SMBUS)
448 * i2c primitives for low level control of i2c bus. Added for MSP34xx control
450 static void i2c_start( bktr_ptr_t bktr);
451 static void i2c_stop( bktr_ptr_t bktr);
452 static int i2c_write_byte( bktr_ptr_t bktr, unsigned char data);
453 static int i2c_read_byte( bktr_ptr_t bktr, unsigned char *data, int last );
459 * the common attach code, used by all OS versions.
462 common_bktr_attach( bktr_ptr_t bktr, int unit, u_long pci_id, u_int rev )
465 int need_to_allocate_memory = 1;
466 #ifdef BKTR_NEW_MSP34XX_DRIVER
470 /***************************************/
471 /* *** OS Specific memory routines *** */
472 /***************************************/
473 #if defined(__NetBSD__) || defined(__OpenBSD__)
474 /* allocate space for dma program */
475 bktr->dma_prog = get_bktr_mem(bktr, &bktr->dm_prog,
477 bktr->odd_dma_prog = get_bktr_mem(bktr, &bktr->dm_oprog,
480 /* allocate space for the VBI buffer */
481 bktr->vbidata = get_bktr_mem(bktr, &bktr->dm_vbidata,
483 bktr->vbibuffer = get_bktr_mem(bktr, &bktr->dm_vbibuffer,
486 /* allocate space for pixel buffer */
487 if ( BROOKTREE_ALLOC )
488 buf = get_bktr_mem(bktr, &bktr->dm_mem, BROOKTREE_ALLOC);
493 #if defined(__FreeBSD__) || defined(__bsdi__)
495 /* If this is a module, check if there is any currently saved contiguous memory */
496 #if defined(BKTR_FREEBSD_MODULE)
497 if (bktr_has_stored_addresses(unit) == 1) {
498 /* recover the addresses */
499 bktr->dma_prog = bktr_retrieve_address(unit, BKTR_MEM_DMA_PROG);
500 bktr->odd_dma_prog = bktr_retrieve_address(unit, BKTR_MEM_ODD_DMA_PROG);
501 bktr->vbidata = bktr_retrieve_address(unit, BKTR_MEM_VBIDATA);
502 bktr->vbibuffer = bktr_retrieve_address(unit, BKTR_MEM_VBIBUFFER);
503 buf = bktr_retrieve_address(unit, BKTR_MEM_BUF);
504 need_to_allocate_memory = 0;
508 if (need_to_allocate_memory == 1) {
509 /* allocate space for dma program */
510 bktr->dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
511 bktr->odd_dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
513 /* allocte space for the VBI buffer */
514 bktr->vbidata = get_bktr_mem(unit, VBI_DATA_SIZE);
515 bktr->vbibuffer = get_bktr_mem(unit, VBI_BUFFER_SIZE);
517 /* allocate space for pixel buffer */
518 if ( BROOKTREE_ALLOC )
519 buf = get_bktr_mem(unit, BROOKTREE_ALLOC);
523 #endif /* FreeBSD or BSDi */
526 mtx_init(&bktr->vbimutex, "bktr vbi lock", NULL, MTX_DEF);
529 /* If this is a module, save the current contiguous memory */
530 #if defined(BKTR_FREEBSD_MODULE)
531 bktr_store_address(unit, BKTR_MEM_DMA_PROG, bktr->dma_prog);
532 bktr_store_address(unit, BKTR_MEM_ODD_DMA_PROG, bktr->odd_dma_prog);
533 bktr_store_address(unit, BKTR_MEM_VBIDATA, bktr->vbidata);
534 bktr_store_address(unit, BKTR_MEM_VBIBUFFER, bktr->vbibuffer);
535 bktr_store_address(unit, BKTR_MEM_BUF, buf);
540 printf("%s: buffer size %d, addr %p\n",
541 bktr_name(bktr), (int)BROOKTREE_ALLOC,
542 (void *)(uintptr_t)vtophys(buf));
547 bktr->alloc_pages = BROOKTREE_ALLOC_PAGES;
548 bzero((caddr_t) bktr->bigbuf, BROOKTREE_ALLOC);
550 bktr->alloc_pages = 0;
554 bktr->flags = METEOR_INITALIZED | METEOR_AUTOMODE |
555 METEOR_DEV0 | METEOR_RGB16;
556 bktr->dma_prog_loaded = FALSE;
559 bktr->frames = 1; /* one frame */
560 bktr->format = METEOR_GEO_RGB16;
561 bktr->pixfmt = oformat_meteor_to_bt( bktr->format );
562 bktr->pixfmt_compat = TRUE;
571 /* using the pci device id and revision id */
572 /* and determine the card type */
573 if (PCI_VENDOR(pci_id) == PCI_VENDOR_BROOKTREE)
575 switch (PCI_PRODUCT(pci_id)) {
576 case PCI_PRODUCT_BROOKTREE_BT848:
578 bktr->id = BROOKTREE_848A;
580 bktr->id = BROOKTREE_848;
582 case PCI_PRODUCT_BROOKTREE_BT849:
583 bktr->id = BROOKTREE_849A;
585 case PCI_PRODUCT_BROOKTREE_BT878:
586 bktr->id = BROOKTREE_878;
588 case PCI_PRODUCT_BROOKTREE_BT879:
589 bktr->id = BROOKTREE_879;
594 bktr->clr_on_start = FALSE;
596 /* defaults for the tuner section of the card */
597 bktr->tflags = TUNER_INITALIZED;
598 bktr->tuner.frequency = 0;
599 bktr->tuner.channel = 0;
600 bktr->tuner.chnlset = DEFAULT_CHNLSET;
602 bktr->tuner.radio_mode = 0;
603 bktr->audio_mux_select = 0;
604 bktr->audio_mute_state = FALSE;
605 bktr->bt848_card = -1;
606 bktr->bt848_tuner = -1;
607 bktr->reverse_mute = -1;
608 bktr->slow_msp_audio = 0;
609 bktr->msp_use_mono_source = 0;
610 bktr->msp_source_selected = -1;
611 bktr->audio_mux_present = 1;
613 #if defined(__FreeBSD__)
614 #ifdef BKTR_NEW_MSP34XX_DRIVER
615 /* get hint on short programming of the msp34xx, so we know */
616 /* if the decision what thread to start should be overwritten */
617 if ( (err = resource_int_value("bktr", unit, "mspsimple",
618 &(bktr->mspsimple)) ) != 0 )
619 bktr->mspsimple = -1; /* fall back to default */
623 probeCard( bktr, TRUE, unit );
625 /* Initialise any MSP34xx or TDA98xx audio chips */
626 init_audio_devices( bktr );
628 #ifdef BKTR_NEW_MSP34XX_DRIVER
629 /* setup the kernel thread */
630 err = msp_attach( bktr );
631 if ( err != 0 ) /* error doing kernel thread stuff, disable msp3400c */
632 bktr->card.msp3400c = 0;
639 /* Copy the vbi lines from 'vbidata' into the circular buffer, 'vbibuffer'.
640 * The circular buffer holds 'n' fixed size data blocks.
641 * vbisize is the number of bytes in the circular buffer
642 * vbiread is the point we reading data out of the circular buffer
643 * vbiinsert is the point we insert data into the circular buffer
645 static void vbidecode(bktr_ptr_t bktr) {
647 unsigned int *seq_dest;
649 /* Check if there is room in the buffer to insert the data. */
650 if (bktr->vbisize + VBI_DATA_SIZE > VBI_BUFFER_SIZE) return;
652 /* Copy the VBI data into the next free slot in the buffer. */
653 /* 'dest' is the point in vbibuffer where we want to insert new data */
654 dest = (unsigned char *)bktr->vbibuffer + bktr->vbiinsert;
655 memcpy(dest, (unsigned char*)bktr->vbidata, VBI_DATA_SIZE);
657 /* Write the VBI sequence number to the end of the vbi data */
658 /* This is used by the AleVT teletext program */
659 seq_dest = (unsigned int *)((unsigned char *)bktr->vbibuffer
661 + (VBI_DATA_SIZE - sizeof(bktr->vbi_sequence_number)));
662 *seq_dest = bktr->vbi_sequence_number;
664 /* And increase the VBI sequence number */
665 /* This can wrap around */
666 bktr->vbi_sequence_number++;
669 /* Increment the vbiinsert pointer */
670 /* This can wrap around */
671 bktr->vbiinsert += VBI_DATA_SIZE;
672 bktr->vbiinsert = (bktr->vbiinsert % VBI_BUFFER_SIZE);
674 /* And increase the amount of vbi data in the buffer */
675 bktr->vbisize = bktr->vbisize + VBI_DATA_SIZE;
681 * the common interrupt handler.
682 * Returns a 0 or 1 depending on whether the interrupt has handled.
683 * In the OS specific section, bktr_intr() is defined which calls this
684 * common interrupt handler.
687 common_bktr_intr( void *arg )
696 bktr = (bktr_ptr_t) arg;
699 * check to see if any interrupts are unmasked on this device. If
700 * none are, then we likely got here by way of being on a PCI shared
701 * interrupt dispatch list.
703 if (INL(bktr, BKTR_INT_MASK) == ALL_INTS_DISABLED)
704 return 0; /* bail out now, before we do something we
707 if (!(bktr->flags & METEOR_OPEN)) {
708 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
709 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
713 /* record and clear the INTerrupt status bits */
714 bktr_status = INL(bktr, BKTR_INT_STAT);
715 OUTL(bktr, BKTR_INT_STAT, bktr_status & ~I2C_BITS); /* don't touch i2c */
717 /* record and clear the device status register */
718 dstatus = INB(bktr, BKTR_DSTATUS);
719 OUTB(bktr, BKTR_DSTATUS, 0x00);
721 #if defined( STATUS_SUM )
722 /* add any new device status or INTerrupt status bits */
723 status_sum |= (bktr_status & ~(BT848_INT_RSV0|BT848_INT_RSV1));
724 status_sum |= ((dstatus & (BT848_DSTATUS_COF|BT848_DSTATUS_LOF)) << 6);
725 #endif /* STATUS_SUM */
726 /* printf( "%s: STATUS %x %x %x \n", bktr_name(bktr),
727 dstatus, bktr_status, INL(bktr, BKTR_RISC_COUNT) );
731 /* if risc was disabled re-start process again */
732 /* if there was one of the following errors re-start again */
733 if ( !(bktr_status & BT848_INT_RISC_EN) ||
734 ((bktr_status &(/* BT848_INT_FBUS | */
735 /* BT848_INT_FTRGT | */
736 /* BT848_INT_FDSR | */
738 BT848_INT_RIPERR | BT848_INT_PABORT |
739 BT848_INT_OCERR | BT848_INT_SCERR) ) != 0)
740 || ((INB(bktr, BKTR_TDEC) == 0) && (bktr_status & TDEC_BITS)) ) {
742 u_short tdec_save = INB(bktr, BKTR_TDEC);
744 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
745 OUTB(bktr, BKTR_CAP_CTL, CAPTURE_OFF);
747 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
749 /* Reset temporal decimation counter */
750 OUTB(bktr, BKTR_TDEC, 0);
751 OUTB(bktr, BKTR_TDEC, tdec_save);
753 /* Reset to no-fields captured state */
754 if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
755 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
756 case METEOR_ONLY_ODD_FIELDS:
757 bktr->flags |= METEOR_WANT_ODD;
759 case METEOR_ONLY_EVEN_FIELDS:
760 bktr->flags |= METEOR_WANT_EVEN;
763 bktr->flags |= METEOR_WANT_MASK;
768 OUTL(bktr, BKTR_RISC_STRT_ADD, vtophys(bktr->dma_prog));
769 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
770 OUTW(bktr, BKTR_GPIO_DMA_CTL, bktr->capcontrol);
772 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT |
777 OUTB(bktr, BKTR_CAP_CTL, bktr->bktr_cap_ctl);
781 /* If this is not a RISC program interrupt, return */
782 if (!(bktr_status & BT848_INT_RISCI))
786 printf( "%s: intr status %x %x %x\n", bktr_name(bktr),
787 bktr_status, dstatus, INL(bktr, BKTR_RISC_COUNT) );
792 * Disable future interrupts if a capture mode is not selected.
793 * This can happen when we are in the process of closing or
794 * changing capture modes, otherwise it shouldn't happen.
796 if (!(bktr->flags & METEOR_CAP_MASK))
797 OUTB(bktr, BKTR_CAP_CTL, CAPTURE_OFF);
800 /* Determine which field generated this interrupt */
801 field = ( bktr_status & BT848_INT_FIELD ) ? EVEN_F : ODD_F;
805 * Process the VBI data if it is being captured. We do this once
806 * both Odd and Even VBI data is captured. Therefore we do this
807 * in the Even field interrupt handler.
810 if ( (bktr->vbiflags & VBI_CAPTURE)
811 &&(bktr->vbiflags & VBI_OPEN)
813 /* Put VBI data into circular buffer */
816 /* If someone is blocked on reading from /dev/vbi, wake them */
817 if (bktr->vbi_read_blocked) {
818 bktr->vbi_read_blocked = FALSE;
822 /* If someone has a select() on /dev/vbi, inform them */
823 if (SEL_WAITING(&bktr->vbi_select)) {
824 selwakeuppri(&bktr->vbi_select, VBIPRI);
832 * Register the completed field
833 * (For dual-field mode, require fields from the same frame)
835 switch ( bktr->flags & METEOR_WANT_MASK ) {
836 case METEOR_WANT_ODD : w_field = ODD_F ; break;
837 case METEOR_WANT_EVEN : w_field = EVEN_F ; break;
838 default : w_field = (ODD_F|EVEN_F); break;
840 switch ( bktr->flags & METEOR_ONLY_FIELDS_MASK ) {
841 case METEOR_ONLY_ODD_FIELDS : req_field = ODD_F ; break;
842 case METEOR_ONLY_EVEN_FIELDS : req_field = EVEN_F ; break;
843 default : req_field = (ODD_F|EVEN_F);
847 if (( field == EVEN_F ) && ( w_field == EVEN_F ))
848 bktr->flags &= ~METEOR_WANT_EVEN;
849 else if (( field == ODD_F ) && ( req_field == ODD_F ) &&
850 ( w_field == ODD_F ))
851 bktr->flags &= ~METEOR_WANT_ODD;
852 else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
853 ( w_field == (ODD_F|EVEN_F) ))
854 bktr->flags &= ~METEOR_WANT_ODD;
855 else if (( field == ODD_F ) && ( req_field == (ODD_F|EVEN_F) ) &&
856 ( w_field == ODD_F )) {
857 bktr->flags &= ~METEOR_WANT_ODD;
858 bktr->flags |= METEOR_WANT_EVEN;
861 /* We're out of sync. Start over. */
862 if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
863 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
864 case METEOR_ONLY_ODD_FIELDS:
865 bktr->flags |= METEOR_WANT_ODD;
867 case METEOR_ONLY_EVEN_FIELDS:
868 bktr->flags |= METEOR_WANT_EVEN;
871 bktr->flags |= METEOR_WANT_MASK;
879 * If we have a complete frame.
881 if (!(bktr->flags & METEOR_WANT_MASK)) {
882 bktr->frames_captured++;
884 * post the completion time.
886 if (bktr->flags & METEOR_WANT_TS) {
889 if ((u_int) bktr->alloc_pages * PAGE_SIZE
890 <= (bktr->frame_size + sizeof(struct timeval))) {
891 ts =(struct timeval *)bktr->bigbuf +
893 /* doesn't work in synch mode except
902 * Wake up the user in single capture mode.
904 if (bktr->flags & METEOR_SINGLE) {
907 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
909 /* disable risc, leave fifo running */
910 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
915 * If the user requested to be notified via signal,
916 * let them know the frame is complete.
919 if (bktr->proc != NULL) {
920 PROC_LOCK(bktr->proc);
921 kern_psignal( bktr->proc, bktr->signal);
922 PROC_UNLOCK(bktr->proc);
926 * Reset the want flags if in continuous or
927 * synchronous capture mode.
931 * currently we only support 3 capture modes: odd only, even only,
932 * odd+even interlaced (odd field first). A fourth mode (non interlaced,
933 * either even OR odd) could provide 60 (50 for PAL) pictures per
934 * second, but it would require this routine to toggle the desired frame
935 * each time, and one more different DMA program for the Bt848.
936 * As a consequence, this fourth mode is currently unsupported.
939 if (bktr->flags & (METEOR_CONTIN | METEOR_SYNCAP)) {
940 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
941 case METEOR_ONLY_ODD_FIELDS:
942 bktr->flags |= METEOR_WANT_ODD;
944 case METEOR_ONLY_EVEN_FIELDS:
945 bktr->flags |= METEOR_WANT_EVEN;
948 bktr->flags |= METEOR_WANT_MASK;
963 extern int bt848_format; /* used to set the default format, PAL or NTSC */
965 video_open( bktr_ptr_t bktr )
967 int frame_rate, video_format=0;
969 if (bktr->flags & METEOR_OPEN) /* device is busy */
972 bktr->flags |= METEOR_OPEN;
978 bktr->clr_on_start = FALSE;
980 OUTB(bktr, BKTR_DSTATUS, 0x00); /* clear device status reg. */
982 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
984 #if defined(BKTR_SYSTEM_DEFAULT) && BKTR_SYSTEM_DEFAULT == BROOKTREE_PAL
990 if (bt848_format == 0 )
993 if (bt848_format == 1 )
996 if (video_format == 1 ) {
997 OUTB(bktr, BKTR_IFORM, BT848_IFORM_F_NTSCM);
998 bktr->format_params = BT848_IFORM_F_NTSCM;
1001 OUTB(bktr, BKTR_IFORM, BT848_IFORM_F_PALBDGHI);
1002 bktr->format_params = BT848_IFORM_F_PALBDGHI;
1006 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | format_params[bktr->format_params].iform_xtsel);
1008 /* work around for new Hauppauge 878 cards */
1009 if ((bktr->card.card_id == CARD_HAUPPAUGE) &&
1010 (bktr->id==BROOKTREE_878 || bktr->id==BROOKTREE_879) )
1011 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX3);
1013 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX1);
1015 OUTB(bktr, BKTR_ADELAY, format_params[bktr->format_params].adelay);
1016 OUTB(bktr, BKTR_BDELAY, format_params[bktr->format_params].bdelay);
1017 frame_rate = format_params[bktr->format_params].frame_rate;
1019 /* enable PLL mode using 28Mhz crystal for PAL/SECAM users */
1020 if (bktr->xtal_pll_mode == BT848_USE_PLL) {
1021 OUTB(bktr, BKTR_TGCTRL, 0);
1022 OUTB(bktr, BKTR_PLL_F_LO, 0xf9);
1023 OUTB(bktr, BKTR_PLL_F_HI, 0xdc);
1024 OUTB(bktr, BKTR_PLL_F_XCI, 0x8e);
1027 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK) | METEOR_DEV0;
1029 bktr->max_clip_node = 0;
1031 OUTB(bktr, BKTR_COLOR_CTL, BT848_COLOR_CTL_GAMMA | BT848_COLOR_CTL_RGB_DED);
1033 OUTB(bktr, BKTR_E_HSCALE_LO, 170);
1034 OUTB(bktr, BKTR_O_HSCALE_LO, 170);
1036 OUTB(bktr, BKTR_E_DELAY_LO, 0x72);
1037 OUTB(bktr, BKTR_O_DELAY_LO, 0x72);
1038 OUTB(bktr, BKTR_E_SCLOOP, 0);
1039 OUTB(bktr, BKTR_O_SCLOOP, 0);
1041 OUTB(bktr, BKTR_VBI_PACK_SIZE, 0);
1042 OUTB(bktr, BKTR_VBI_PACK_DEL, 0);
1044 bktr->fifo_errors = 0;
1045 bktr->dma_errors = 0;
1046 bktr->frames_captured = 0;
1047 bktr->even_fields_captured = 0;
1048 bktr->odd_fields_captured = 0;
1050 set_fps(bktr, frame_rate);
1051 bktr->video.addr = 0;
1052 bktr->video.width = 0;
1053 bktr->video.banksize = 0;
1054 bktr->video.ramsize = 0;
1055 bktr->pixfmt_compat = TRUE;
1056 bktr->format = METEOR_GEO_RGB16;
1057 bktr->pixfmt = oformat_meteor_to_bt( bktr->format );
1059 bktr->capture_area_enabled = FALSE;
1061 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT); /* if you take this out triton
1062 based motherboards will
1063 operate unreliably */
1068 vbi_open( bktr_ptr_t bktr )
1073 if (bktr->vbiflags & VBI_OPEN) { /* device is busy */
1078 bktr->vbiflags |= VBI_OPEN;
1080 /* reset the VBI circular buffer pointers and clear the buffers */
1081 bktr->vbiinsert = 0;
1084 bktr->vbi_sequence_number = 0;
1085 bktr->vbi_read_blocked = FALSE;
1087 bzero((caddr_t) bktr->vbibuffer, VBI_BUFFER_SIZE);
1088 bzero((caddr_t) bktr->vbidata, VBI_DATA_SIZE);
1099 tuner_open( bktr_ptr_t bktr )
1101 if ( !(bktr->tflags & TUNER_INITALIZED) ) /* device not found */
1104 if ( bktr->tflags & TUNER_OPEN ) /* already open */
1107 bktr->tflags |= TUNER_OPEN;
1108 bktr->tuner.frequency = 0;
1109 bktr->tuner.channel = 0;
1110 bktr->tuner.chnlset = DEFAULT_CHNLSET;
1111 bktr->tuner.afc = 0;
1112 bktr->tuner.radio_mode = 0;
1114 /* enable drivers on the GPIO port that control the MUXes */
1115 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) | bktr->card.gpio_mux_bits);
1117 /* unmute the audio stream */
1118 set_audio( bktr, AUDIO_UNMUTE );
1120 /* Initialise any audio chips, eg MSP34xx or TDA98xx */
1121 init_audio_devices( bktr );
1133 video_close( bktr_ptr_t bktr )
1135 bktr->flags &= ~(METEOR_OPEN |
1140 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
1141 OUTB(bktr, BKTR_CAP_CTL, CAPTURE_OFF);
1143 bktr->dma_prog_loaded = FALSE;
1144 OUTB(bktr, BKTR_TDEC, 0);
1145 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1147 /** FIXME: is 0xf magic, wouldn't 0x00 work ??? */
1148 OUTL(bktr, BKTR_SRESET, 0xf);
1149 OUTL(bktr, BKTR_INT_STAT, ALL_INTS_CLEARED);
1156 * tuner close handle,
1157 * place holder for tuner specific operations on a close.
1160 tuner_close( bktr_ptr_t bktr )
1162 bktr->tflags &= ~TUNER_OPEN;
1164 /* mute the audio by switching the mux */
1165 set_audio( bktr, AUDIO_MUTE );
1167 /* disable drivers on the GPIO port that control the MUXes */
1168 OUTL(bktr, BKTR_GPIO_OUT_EN, INL(bktr, BKTR_GPIO_OUT_EN) & ~bktr->card.gpio_mux_bits);
1174 vbi_close( bktr_ptr_t bktr )
1179 bktr->vbiflags &= ~VBI_OPEN;
1190 video_read(bktr_ptr_t bktr, int unit, struct cdev *dev, struct uio *uio)
1196 if (bktr->bigbuf == 0) /* no frame buffer allocated (ioctl failed) */
1199 if (bktr->flags & METEOR_CAP_MASK)
1200 return( EIO ); /* already capturing */
1202 OUTB(bktr, BKTR_CAP_CTL, bktr->bktr_cap_ctl);
1205 count = bktr->rows * bktr->cols *
1206 pixfmt_table[ bktr->pixfmt ].public.Bpp;
1208 if ((int) uio->uio_iov->iov_len < count)
1211 bktr->flags &= ~(METEOR_CAP_MASK | METEOR_WANT_MASK);
1213 /* capture one frame */
1214 start_capture(bktr, METEOR_SINGLE);
1215 /* wait for capture to complete */
1216 OUTL(bktr, BKTR_INT_STAT, ALL_INTS_CLEARED);
1217 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
1218 OUTW(bktr, BKTR_GPIO_DMA_CTL, bktr->capcontrol);
1219 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT |
1225 status = tsleep(BKTR_SLEEP, BKTRPRI, "captur", 0);
1226 if (!status) /* successful capture */
1227 status = uiomove((caddr_t)bktr->bigbuf, count, uio);
1229 printf ("%s: read: tsleep error %d\n",
1230 bktr_name(bktr), status);
1232 bktr->flags &= ~(METEOR_SINGLE | METEOR_WANT_MASK);
1238 * Read VBI data from the vbi circular buffer
1239 * The buffer holds vbi data blocks which are the same size
1240 * vbiinsert is the position we will insert the next item into the buffer
1241 * vbistart is the actual position in the buffer we want to read from
1242 * vbisize is the exact number of bytes in the buffer left to read
1245 vbi_read(bktr_ptr_t bktr, struct uio *uio, int ioflag)
1247 int readsize, readsize2, start;
1251 * XXX - vbi_read() should be protected against being re-entered
1252 * while it is unlocked for the uiomove.
1256 while(bktr->vbisize == 0) {
1257 if (ioflag & FNDELAY) {
1258 status = EWOULDBLOCK;
1262 bktr->vbi_read_blocked = TRUE;
1264 if ((status = msleep(VBI_SLEEP, &bktr->vbimutex, VBIPRI, "vbi",
1269 if ((status = tsleep(VBI_SLEEP, VBIPRI, "vbi", 0))) {
1275 /* Now we have some data to give to the user */
1277 /* We cannot read more bytes than there are in
1278 * the circular buffer
1280 readsize = (int)uio->uio_iov->iov_len;
1282 if (readsize > bktr->vbisize) readsize = bktr->vbisize;
1284 /* Check if we can read this number of bytes without having
1285 * to wrap around the circular buffer */
1286 if((bktr->vbistart + readsize) >= VBI_BUFFER_SIZE) {
1287 /* We need to wrap around */
1289 readsize2 = VBI_BUFFER_SIZE - bktr->vbistart;
1290 start = bktr->vbistart;
1292 status = uiomove((caddr_t)bktr->vbibuffer + start, readsize2, uio);
1294 status = uiomove((caddr_t)bktr->vbibuffer, (readsize - readsize2), uio);
1297 /* We do not need to wrap around */
1298 status = uiomove((caddr_t)bktr->vbibuffer + bktr->vbistart, readsize, uio);
1303 /* Update the number of bytes left to read */
1304 bktr->vbisize -= readsize;
1306 /* Update vbistart */
1307 bktr->vbistart += readsize;
1308 bktr->vbistart = bktr->vbistart % VBI_BUFFER_SIZE; /* wrap around if needed */
1323 video_ioctl( bktr_ptr_t bktr, int unit, ioctl_cmd_t cmd, caddr_t arg, struct thread* td )
1325 volatile u_char c_temp;
1327 unsigned int temp_iform;
1329 struct meteor_geomet *geo;
1330 struct meteor_counts *counts;
1331 struct meteor_video *video;
1332 struct bktr_capture_area *cap_area;
1340 case BT848SCLIP: /* set clip region */
1341 bktr->max_clip_node = 0;
1342 memcpy(&bktr->clip_list, arg, sizeof(bktr->clip_list));
1344 for (i = 0; i < BT848_MAX_CLIP_NODE; i++) {
1345 if (bktr->clip_list[i].y_min == 0 &&
1346 bktr->clip_list[i].y_max == 0)
1349 bktr->max_clip_node = i;
1351 /* make sure that the list contains a valid clip secquence */
1352 /* the clip rectangles should be sorted by x then by y as the
1353 second order sort key */
1355 /* clip rectangle list is terminated by y_min and y_max set to 0 */
1357 /* to disable clipping set y_min and y_max to 0 in the first
1358 clip rectangle . The first clip rectangle is clip_list[0].
1363 if (bktr->max_clip_node == 0 &&
1364 (bktr->clip_list[0].y_min != 0 &&
1365 bktr->clip_list[0].y_max != 0)) {
1369 for (i = 0; i < BT848_MAX_CLIP_NODE - 1 ; i++) {
1370 if (bktr->clip_list[i].y_min == 0 &&
1371 bktr->clip_list[i].y_max == 0) {
1374 if ( bktr->clip_list[i+1].y_min != 0 &&
1375 bktr->clip_list[i+1].y_max != 0 &&
1376 bktr->clip_list[i].x_min > bktr->clip_list[i+1].x_min ) {
1378 bktr->max_clip_node = 0;
1383 if (bktr->clip_list[i].x_min >= bktr->clip_list[i].x_max ||
1384 bktr->clip_list[i].y_min >= bktr->clip_list[i].y_max ||
1385 bktr->clip_list[i].x_min < 0 ||
1386 bktr->clip_list[i].x_max < 0 ||
1387 bktr->clip_list[i].y_min < 0 ||
1388 bktr->clip_list[i].y_max < 0 ) {
1389 bktr->max_clip_node = 0;
1394 bktr->dma_prog_loaded = FALSE;
1398 case METEORSTATUS: /* get Bt848 status */
1399 c_temp = INB(bktr, BKTR_DSTATUS);
1401 if (!(c_temp & 0x40)) temp |= METEOR_STATUS_HCLK;
1402 if (!(c_temp & 0x10)) temp |= METEOR_STATUS_FIDT;
1403 *(u_short *)arg = temp;
1406 case BT848SFMT: /* set input format */
1407 temp = *(unsigned long*)arg & BT848_IFORM_FORMAT;
1408 temp_iform = INB(bktr, BKTR_IFORM);
1409 temp_iform &= ~BT848_IFORM_FORMAT;
1410 temp_iform &= ~BT848_IFORM_XTSEL;
1411 OUTB(bktr, BKTR_IFORM, (temp_iform | temp | format_params[temp].iform_xtsel));
1413 case BT848_IFORM_F_AUTO:
1414 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1418 case BT848_IFORM_F_NTSCM:
1419 case BT848_IFORM_F_NTSCJ:
1420 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1422 OUTB(bktr, BKTR_ADELAY, format_params[temp].adelay);
1423 OUTB(bktr, BKTR_BDELAY, format_params[temp].bdelay);
1424 bktr->format_params = temp;
1427 case BT848_IFORM_F_PALBDGHI:
1428 case BT848_IFORM_F_PALN:
1429 case BT848_IFORM_F_SECAM:
1430 case BT848_IFORM_F_RSVD:
1431 case BT848_IFORM_F_PALM:
1432 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1434 OUTB(bktr, BKTR_ADELAY, format_params[temp].adelay);
1435 OUTB(bktr, BKTR_BDELAY, format_params[temp].bdelay);
1436 bktr->format_params = temp;
1440 bktr->dma_prog_loaded = FALSE;
1443 case METEORSFMT: /* set input format */
1444 temp_iform = INB(bktr, BKTR_IFORM);
1445 temp_iform &= ~BT848_IFORM_FORMAT;
1446 temp_iform &= ~BT848_IFORM_XTSEL;
1447 switch(*(unsigned long *)arg & METEOR_FORM_MASK ) {
1448 case 0: /* default */
1449 case METEOR_FMT_NTSC:
1450 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1452 OUTB(bktr, BKTR_IFORM, temp_iform | BT848_IFORM_F_NTSCM |
1453 format_params[BT848_IFORM_F_NTSCM].iform_xtsel);
1454 OUTB(bktr, BKTR_ADELAY, format_params[BT848_IFORM_F_NTSCM].adelay);
1455 OUTB(bktr, BKTR_BDELAY, format_params[BT848_IFORM_F_NTSCM].bdelay);
1456 bktr->format_params = BT848_IFORM_F_NTSCM;
1459 case METEOR_FMT_PAL:
1460 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1462 OUTB(bktr, BKTR_IFORM, temp_iform | BT848_IFORM_F_PALBDGHI |
1463 format_params[BT848_IFORM_F_PALBDGHI].iform_xtsel);
1464 OUTB(bktr, BKTR_ADELAY, format_params[BT848_IFORM_F_PALBDGHI].adelay);
1465 OUTB(bktr, BKTR_BDELAY, format_params[BT848_IFORM_F_PALBDGHI].bdelay);
1466 bktr->format_params = BT848_IFORM_F_PALBDGHI;
1469 case METEOR_FMT_AUTOMODE:
1470 bktr->flags = (bktr->flags & ~METEOR_FORM_MASK) |
1472 OUTB(bktr, BKTR_IFORM, temp_iform | BT848_IFORM_F_AUTO |
1473 format_params[BT848_IFORM_F_AUTO].iform_xtsel);
1479 bktr->dma_prog_loaded = FALSE;
1482 case METEORGFMT: /* get input format */
1483 *(u_long *)arg = bktr->flags & METEOR_FORM_MASK;
1487 case BT848GFMT: /* get input format */
1488 *(u_long *)arg = INB(bktr, BKTR_IFORM) & BT848_IFORM_FORMAT;
1491 case METEORSCOUNT: /* (re)set error counts */
1492 counts = (struct meteor_counts *) arg;
1493 bktr->fifo_errors = counts->fifo_errors;
1494 bktr->dma_errors = counts->dma_errors;
1495 bktr->frames_captured = counts->frames_captured;
1496 bktr->even_fields_captured = counts->even_fields_captured;
1497 bktr->odd_fields_captured = counts->odd_fields_captured;
1500 case METEORGCOUNT: /* get error counts */
1501 counts = (struct meteor_counts *) arg;
1502 counts->fifo_errors = bktr->fifo_errors;
1503 counts->dma_errors = bktr->dma_errors;
1504 counts->frames_captured = bktr->frames_captured;
1505 counts->even_fields_captured = bktr->even_fields_captured;
1506 counts->odd_fields_captured = bktr->odd_fields_captured;
1510 video = (struct meteor_video *)arg;
1511 video->addr = bktr->video.addr;
1512 video->width = bktr->video.width;
1513 video->banksize = bktr->video.banksize;
1514 video->ramsize = bktr->video.ramsize;
1518 video = (struct meteor_video *)arg;
1519 bktr->video.addr = video->addr;
1520 bktr->video.width = video->width;
1521 bktr->video.banksize = video->banksize;
1522 bktr->video.ramsize = video->ramsize;
1526 set_fps(bktr, *(u_short *)arg);
1530 *(u_short *)arg = bktr->fps;
1533 case METEORSHUE: /* set hue */
1534 OUTB(bktr, BKTR_HUE, (*(u_char *) arg) & 0xff);
1537 case METEORGHUE: /* get hue */
1538 *(u_char *)arg = INB(bktr, BKTR_HUE);
1541 case METEORSBRIG: /* set brightness */
1542 char_temp = ( *(u_char *)arg & 0xff) - 128;
1543 OUTB(bktr, BKTR_BRIGHT, char_temp);
1547 case METEORGBRIG: /* get brightness */
1548 *(u_char *)arg = INB(bktr, BKTR_BRIGHT);
1551 case METEORSCSAT: /* set chroma saturation */
1552 temp = (int)*(u_char *)arg;
1554 OUTB(bktr, BKTR_SAT_U_LO, (temp << 1) & 0xff);
1555 OUTB(bktr, BKTR_SAT_V_LO, (temp << 1) & 0xff);
1556 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL)
1557 & ~(BT848_E_CONTROL_SAT_U_MSB
1558 | BT848_E_CONTROL_SAT_V_MSB));
1559 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL)
1560 & ~(BT848_O_CONTROL_SAT_U_MSB |
1561 BT848_O_CONTROL_SAT_V_MSB));
1563 if ( temp & BIT_SEVEN_HIGH ) {
1564 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL)
1565 | (BT848_E_CONTROL_SAT_U_MSB
1566 | BT848_E_CONTROL_SAT_V_MSB));
1567 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL)
1568 | (BT848_O_CONTROL_SAT_U_MSB
1569 | BT848_O_CONTROL_SAT_V_MSB));
1573 case METEORGCSAT: /* get chroma saturation */
1574 temp = (INB(bktr, BKTR_SAT_V_LO) >> 1) & 0xff;
1575 if ( INB(bktr, BKTR_E_CONTROL) & BT848_E_CONTROL_SAT_V_MSB )
1576 temp |= BIT_SEVEN_HIGH;
1577 *(u_char *)arg = (u_char)temp;
1580 case METEORSCONT: /* set contrast */
1581 temp = (int)*(u_char *)arg & 0xff;
1583 OUTB(bktr, BKTR_CONTRAST_LO, temp & 0xff);
1584 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_E_CONTROL_CON_MSB);
1585 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) & ~BT848_O_CONTROL_CON_MSB);
1586 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) |
1587 (((temp & 0x100) >> 6 ) & BT848_E_CONTROL_CON_MSB));
1588 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) |
1589 (((temp & 0x100) >> 6 ) & BT848_O_CONTROL_CON_MSB));
1592 case METEORGCONT: /* get contrast */
1593 temp = (int)INB(bktr, BKTR_CONTRAST_LO) & 0xff;
1594 temp |= ((int)INB(bktr, BKTR_O_CONTROL) & 0x04) << 6;
1595 *(u_char *)arg = (u_char)((temp >> 1) & 0xff);
1598 case BT848SCBUF: /* set Clear-Buffer-on-start flag */
1599 bktr->clr_on_start = (*(int *)arg != 0);
1602 case BT848GCBUF: /* get Clear-Buffer-on-start flag */
1603 *(int *)arg = (int) bktr->clr_on_start;
1608 /* Historically, applications used METEOR_SIG_MODE_MASK
1609 * to reset signal delivery.
1611 if (sig == METEOR_SIG_MODE_MASK)
1613 if (sig < 0 || sig > _SIG_MAXSIG)
1616 bktr->proc = sig ? td->td_proc : NULL;
1620 *(int *)arg = bktr->signal;
1625 switch (*(int *) arg) {
1626 case METEOR_CAP_SINGLE:
1628 if (bktr->bigbuf==0) /* no frame buffer allocated */
1630 /* already capturing */
1631 if (temp & METEOR_CAP_MASK)
1636 start_capture(bktr, METEOR_SINGLE);
1638 /* wait for capture to complete */
1639 OUTL(bktr, BKTR_INT_STAT, ALL_INTS_CLEARED);
1640 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
1641 OUTW(bktr, BKTR_GPIO_DMA_CTL, bktr->capcontrol);
1643 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT |
1648 OUTB(bktr, BKTR_CAP_CTL, bktr->bktr_cap_ctl);
1649 error = tsleep(BKTR_SLEEP, BKTRPRI, "captur", hz);
1650 if (error && (error != ERESTART)) {
1651 /* Here if we didn't get complete frame */
1653 printf( "%s: ioctl: tsleep error %d %x\n",
1654 bktr_name(bktr), error,
1655 INL(bktr, BKTR_RISC_COUNT));
1659 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1661 /* disable risc, leave fifo running */
1662 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
1665 bktr->flags &= ~(METEOR_SINGLE|METEOR_WANT_MASK);
1666 /* FIXME: should we set bt848->int_stat ??? */
1669 case METEOR_CAP_CONTINOUS:
1670 if (bktr->bigbuf==0) /* no frame buffer allocated */
1672 /* already capturing */
1673 if (temp & METEOR_CAP_MASK)
1677 start_capture(bktr, METEOR_CONTIN);
1679 /* Clear the interrypt status register */
1680 OUTL(bktr, BKTR_INT_STAT, INL(bktr, BKTR_INT_STAT));
1682 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
1683 OUTW(bktr, BKTR_GPIO_DMA_CTL, bktr->capcontrol);
1684 OUTB(bktr, BKTR_CAP_CTL, bktr->bktr_cap_ctl);
1686 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT |
1691 dump_bt848( bt848 );
1695 case METEOR_CAP_STOP_CONT:
1696 if (bktr->flags & METEOR_CONTIN) {
1697 /* turn off capture */
1698 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
1699 OUTB(bktr, BKTR_CAP_CTL, CAPTURE_OFF);
1700 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1702 ~(METEOR_CONTIN | METEOR_WANT_MASK);
1709 /* can't change parameters while capturing */
1710 if (bktr->flags & METEOR_CAP_MASK)
1714 geo = (struct meteor_geomet *) arg;
1717 /* Either even or odd, if even & odd, then these a zero */
1718 if ((geo->oformat & METEOR_GEO_ODD_ONLY) &&
1719 (geo->oformat & METEOR_GEO_EVEN_ONLY)) {
1720 printf( "%s: ioctl: Geometry odd or even only.\n",
1725 /* set/clear even/odd flags */
1726 if (geo->oformat & METEOR_GEO_ODD_ONLY)
1727 bktr->flags |= METEOR_ONLY_ODD_FIELDS;
1729 bktr->flags &= ~METEOR_ONLY_ODD_FIELDS;
1730 if (geo->oformat & METEOR_GEO_EVEN_ONLY)
1731 bktr->flags |= METEOR_ONLY_EVEN_FIELDS;
1733 bktr->flags &= ~METEOR_ONLY_EVEN_FIELDS;
1735 if (geo->columns <= 0) {
1737 "%s: ioctl: %d: columns must be greater than zero.\n",
1738 bktr_name(bktr), geo->columns);
1741 else if ((geo->columns & 0x3fe) != geo->columns) {
1743 "%s: ioctl: %d: columns too large or not even.\n",
1744 bktr_name(bktr), geo->columns);
1748 if (geo->rows <= 0) {
1750 "%s: ioctl: %d: rows must be greater than zero.\n",
1751 bktr_name(bktr), geo->rows);
1754 else if (((geo->rows & 0x7fe) != geo->rows) ||
1755 ((geo->oformat & METEOR_GEO_FIELD_MASK) &&
1756 ((geo->rows & 0x3fe) != geo->rows)) ) {
1758 "%s: ioctl: %d: rows too large or not even.\n",
1759 bktr_name(bktr), geo->rows);
1763 if (geo->frames > 32) {
1764 printf("%s: ioctl: too many frames.\n",
1773 bktr->dma_prog_loaded = FALSE;
1774 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
1776 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
1778 if ((temp=(geo->rows * geo->columns * geo->frames * 2))) {
1779 if (geo->oformat & METEOR_GEO_RGB24) temp = temp * 2;
1781 /* meteor_mem structure for SYNC Capture */
1782 if (geo->frames > 1) temp += PAGE_SIZE;
1785 if ((int) temp > bktr->alloc_pages
1786 && bktr->video.addr == 0) {
1788 /*****************************/
1789 /* *** OS Dependent code *** */
1790 /*****************************/
1791 #if defined(__NetBSD__) || defined(__OpenBSD__)
1792 bus_dmamap_t dmamap;
1794 buf = get_bktr_mem(bktr, &dmamap,
1797 free_bktr_mem(bktr, bktr->dm_mem,
1799 bktr->dm_mem = dmamap;
1802 buf = get_bktr_mem(unit, temp*PAGE_SIZE);
1805 (void *)(uintptr_t)bktr->bigbuf,
1806 (bktr->alloc_pages * PAGE_SIZE),
1811 bktr->alloc_pages = temp;
1813 printf("%s: ioctl: Allocating %d bytes\n",
1814 bktr_name(bktr), (int)(temp*PAGE_SIZE));
1824 bktr->rows = geo->rows;
1825 bktr->cols = geo->columns;
1826 bktr->frames = geo->frames;
1828 /* Pixel format (if in meteor pixfmt compatibility mode) */
1829 if ( bktr->pixfmt_compat ) {
1830 bktr->format = METEOR_GEO_YUV_422;
1831 switch (geo->oformat & METEOR_GEO_OUTPUT_MASK) {
1832 case 0: /* default */
1833 case METEOR_GEO_RGB16:
1834 bktr->format = METEOR_GEO_RGB16;
1836 case METEOR_GEO_RGB24:
1837 bktr->format = METEOR_GEO_RGB24;
1839 case METEOR_GEO_YUV_422:
1840 bktr->format = METEOR_GEO_YUV_422;
1841 if (geo->oformat & METEOR_GEO_YUV_12)
1842 bktr->format = METEOR_GEO_YUV_12;
1844 case METEOR_GEO_YUV_PACKED:
1845 bktr->format = METEOR_GEO_YUV_PACKED;
1848 bktr->pixfmt = oformat_meteor_to_bt( bktr->format );
1851 if (bktr->flags & METEOR_CAP_MASK) {
1853 if (bktr->flags & (METEOR_CONTIN|METEOR_SYNCAP)) {
1854 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
1855 case METEOR_ONLY_ODD_FIELDS:
1856 bktr->flags |= METEOR_WANT_ODD;
1858 case METEOR_ONLY_EVEN_FIELDS:
1859 bktr->flags |= METEOR_WANT_EVEN;
1862 bktr->flags |= METEOR_WANT_MASK;
1866 start_capture(bktr, METEOR_CONTIN);
1867 OUTL(bktr, BKTR_INT_STAT, INL(bktr, BKTR_INT_STAT));
1868 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_ENABLED);
1869 OUTW(bktr, BKTR_GPIO_DMA_CTL, bktr->capcontrol);
1870 OUTL(bktr, BKTR_INT_MASK, BT848_INT_MYSTERYBIT |
1876 /* end of METEORSETGEO */
1878 /* FIXME. The Capture Area currently has the following restrictions:
1880 y_offset may need to be even in interlaced modes
1881 RGB24 - Interlaced mode
1882 x_size must be greater than or equal to 1.666*METEORSETGEO width (cols)
1883 y_size must be greater than or equal to METEORSETGEO height (rows)
1884 RGB24 - Even Only (or Odd Only) mode
1885 x_size must be greater than or equal to 1.666*METEORSETGEO width (cols)
1886 y_size must be greater than or equal to 2*METEORSETGEO height (rows)
1887 YUV12 - Interlaced mode
1888 x_size must be greater than or equal to METEORSETGEO width (cols)
1889 y_size must be greater than or equal to METEORSETGEO height (rows)
1890 YUV12 - Even Only (or Odd Only) mode
1891 x_size must be greater than or equal to METEORSETGEO width (cols)
1892 y_size must be greater than or equal to 2*METEORSETGEO height (rows)
1895 case BT848_SCAPAREA: /* set capture area of each video frame */
1896 /* can't change parameters while capturing */
1897 if (bktr->flags & METEOR_CAP_MASK)
1900 cap_area = (struct bktr_capture_area *) arg;
1901 bktr->capture_area_x_offset = cap_area->x_offset;
1902 bktr->capture_area_y_offset = cap_area->y_offset;
1903 bktr->capture_area_x_size = cap_area->x_size;
1904 bktr->capture_area_y_size = cap_area->y_size;
1905 bktr->capture_area_enabled = TRUE;
1907 bktr->dma_prog_loaded = FALSE;
1910 case BT848_GCAPAREA: /* get capture area of each video frame */
1911 cap_area = (struct bktr_capture_area *) arg;
1912 if (bktr->capture_area_enabled == FALSE) {
1913 cap_area->x_offset = 0;
1914 cap_area->y_offset = 0;
1915 cap_area->x_size = format_params[
1916 bktr->format_params].scaled_hactive;
1917 cap_area->y_size = format_params[
1918 bktr->format_params].vactive;
1920 cap_area->x_offset = bktr->capture_area_x_offset;
1921 cap_area->y_offset = bktr->capture_area_y_offset;
1922 cap_area->x_size = bktr->capture_area_x_size;
1923 cap_area->y_size = bktr->capture_area_y_size;
1928 return common_ioctl( bktr, cmd, arg );
1938 tuner_ioctl( bktr_ptr_t bktr, int unit, ioctl_cmd_t cmd, caddr_t arg, struct thread* td )
1954 /* Read the last key pressed by the Remote Control */
1955 if (bktr->remote_control == 0) return (EINVAL);
1956 remote_read(bktr, (struct bktr_remote *)arg);
1959 #if defined( TUNER_AFC )
1960 case TVTUNER_SETAFC:
1961 bktr->tuner.afc = (*(int *)arg != 0);
1964 case TVTUNER_GETAFC:
1965 *(int *)arg = bktr->tuner.afc;
1966 /* XXX Perhaps use another bit to indicate AFC success? */
1968 #endif /* TUNER_AFC */
1970 case TVTUNER_SETCHNL:
1971 temp_mute( bktr, TRUE );
1972 temp = tv_channel( bktr, (int)*(unsigned long *)arg );
1974 temp_mute( bktr, FALSE );
1977 *(unsigned long *)arg = temp;
1979 /* after every channel change, we must restart the MSP34xx */
1980 /* audio chip to reselect NICAM STEREO or MONO audio */
1981 if ( bktr->card.msp3400c )
1982 msp_autodetect( bktr );
1984 /* after every channel change, we must restart the DPL35xx */
1985 if ( bktr->card.dpl3518a )
1986 dpl_autodetect( bktr );
1988 temp_mute( bktr, FALSE );
1991 case TVTUNER_GETCHNL:
1992 *(unsigned long *)arg = bktr->tuner.channel;
1995 case TVTUNER_SETTYPE:
1996 temp = *(unsigned long *)arg;
1997 if ( (temp < CHNLSET_MIN) || (temp > CHNLSET_MAX) )
1999 bktr->tuner.chnlset = temp;
2002 case TVTUNER_GETTYPE:
2003 *(unsigned long *)arg = bktr->tuner.chnlset;
2006 case TVTUNER_GETSTATUS:
2007 temp = get_tuner_status( bktr );
2008 *(unsigned long *)arg = temp & 0xff;
2011 case TVTUNER_SETFREQ:
2012 temp_mute( bktr, TRUE );
2013 temp = tv_freq( bktr, (int)*(unsigned long *)arg, TV_FREQUENCY);
2014 temp_mute( bktr, FALSE );
2016 temp_mute( bktr, FALSE );
2019 *(unsigned long *)arg = temp;
2021 /* after every channel change, we must restart the MSP34xx */
2022 /* audio chip to reselect NICAM STEREO or MONO audio */
2023 if ( bktr->card.msp3400c )
2024 msp_autodetect( bktr );
2026 /* after every channel change, we must restart the DPL35xx */
2027 if ( bktr->card.dpl3518a )
2028 dpl_autodetect( bktr );
2030 temp_mute( bktr, FALSE );
2033 case TVTUNER_GETFREQ:
2034 *(unsigned long *)arg = bktr->tuner.frequency;
2037 case TVTUNER_GETCHNLSET:
2038 return tuner_getchnlset((struct bktr_chnlset *)arg);
2040 case BT848_SAUDIO: /* set audio channel */
2041 if ( set_audio( bktr, *(int*)arg ) < 0 )
2045 /* hue is a 2's compliment number, -90' to +89.3' in 0.7' steps */
2046 case BT848_SHUE: /* set hue */
2047 OUTB(bktr, BKTR_HUE, (u_char)(*(int*)arg & 0xff));
2050 case BT848_GHUE: /* get hue */
2051 *(int*)arg = (signed char)(INB(bktr, BKTR_HUE) & 0xff);
2054 /* brightness is a 2's compliment #, -50 to +%49.6% in 0.39% steps */
2055 case BT848_SBRIG: /* set brightness */
2056 OUTB(bktr, BKTR_BRIGHT, (u_char)(*(int *)arg & 0xff));
2059 case BT848_GBRIG: /* get brightness */
2060 *(int *)arg = (signed char)(INB(bktr, BKTR_BRIGHT) & 0xff);
2064 case BT848_SCSAT: /* set chroma saturation */
2065 tmp_int = *(int*)arg;
2067 temp = INB(bktr, BKTR_E_CONTROL);
2068 temp1 = INB(bktr, BKTR_O_CONTROL);
2069 if ( tmp_int & BIT_EIGHT_HIGH ) {
2070 temp |= (BT848_E_CONTROL_SAT_U_MSB |
2071 BT848_E_CONTROL_SAT_V_MSB);
2072 temp1 |= (BT848_O_CONTROL_SAT_U_MSB |
2073 BT848_O_CONTROL_SAT_V_MSB);
2076 temp &= ~(BT848_E_CONTROL_SAT_U_MSB |
2077 BT848_E_CONTROL_SAT_V_MSB);
2078 temp1 &= ~(BT848_O_CONTROL_SAT_U_MSB |
2079 BT848_O_CONTROL_SAT_V_MSB);
2082 OUTB(bktr, BKTR_SAT_U_LO, (u_char)(tmp_int & 0xff));
2083 OUTB(bktr, BKTR_SAT_V_LO, (u_char)(tmp_int & 0xff));
2084 OUTB(bktr, BKTR_E_CONTROL, temp);
2085 OUTB(bktr, BKTR_O_CONTROL, temp1);
2088 case BT848_GCSAT: /* get chroma saturation */
2089 tmp_int = (int)(INB(bktr, BKTR_SAT_V_LO) & 0xff);
2090 if ( INB(bktr, BKTR_E_CONTROL) & BT848_E_CONTROL_SAT_V_MSB )
2091 tmp_int |= BIT_EIGHT_HIGH;
2092 *(int*)arg = tmp_int;
2096 case BT848_SVSAT: /* set chroma V saturation */
2097 tmp_int = *(int*)arg;
2099 temp = INB(bktr, BKTR_E_CONTROL);
2100 temp1 = INB(bktr, BKTR_O_CONTROL);
2101 if ( tmp_int & BIT_EIGHT_HIGH) {
2102 temp |= BT848_E_CONTROL_SAT_V_MSB;
2103 temp1 |= BT848_O_CONTROL_SAT_V_MSB;
2106 temp &= ~BT848_E_CONTROL_SAT_V_MSB;
2107 temp1 &= ~BT848_O_CONTROL_SAT_V_MSB;
2110 OUTB(bktr, BKTR_SAT_V_LO, (u_char)(tmp_int & 0xff));
2111 OUTB(bktr, BKTR_E_CONTROL, temp);
2112 OUTB(bktr, BKTR_O_CONTROL, temp1);
2115 case BT848_GVSAT: /* get chroma V saturation */
2116 tmp_int = (int)INB(bktr, BKTR_SAT_V_LO) & 0xff;
2117 if ( INB(bktr, BKTR_E_CONTROL) & BT848_E_CONTROL_SAT_V_MSB )
2118 tmp_int |= BIT_EIGHT_HIGH;
2119 *(int*)arg = tmp_int;
2123 case BT848_SUSAT: /* set chroma U saturation */
2124 tmp_int = *(int*)arg;
2126 temp = INB(bktr, BKTR_E_CONTROL);
2127 temp1 = INB(bktr, BKTR_O_CONTROL);
2128 if ( tmp_int & BIT_EIGHT_HIGH ) {
2129 temp |= BT848_E_CONTROL_SAT_U_MSB;
2130 temp1 |= BT848_O_CONTROL_SAT_U_MSB;
2133 temp &= ~BT848_E_CONTROL_SAT_U_MSB;
2134 temp1 &= ~BT848_O_CONTROL_SAT_U_MSB;
2137 OUTB(bktr, BKTR_SAT_U_LO, (u_char)(tmp_int & 0xff));
2138 OUTB(bktr, BKTR_E_CONTROL, temp);
2139 OUTB(bktr, BKTR_O_CONTROL, temp1);
2142 case BT848_GUSAT: /* get chroma U saturation */
2143 tmp_int = (int)INB(bktr, BKTR_SAT_U_LO) & 0xff;
2144 if ( INB(bktr, BKTR_E_CONTROL) & BT848_E_CONTROL_SAT_U_MSB )
2145 tmp_int |= BIT_EIGHT_HIGH;
2146 *(int*)arg = tmp_int;
2149 /* lr 970528 luma notch etc - 3 high bits of e_control/o_control */
2151 case BT848_SLNOTCH: /* set luma notch */
2152 tmp_int = (*(int *)arg & 0x7) << 5 ;
2153 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~0xe0);
2154 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) & ~0xe0);
2155 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) | tmp_int);
2156 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) | tmp_int);
2159 case BT848_GLNOTCH: /* get luma notch */
2160 *(int *)arg = (int) ( (INB(bktr, BKTR_E_CONTROL) & 0xe0) >> 5) ;
2165 case BT848_SCONT: /* set contrast */
2166 tmp_int = *(int*)arg;
2168 temp = INB(bktr, BKTR_E_CONTROL);
2169 temp1 = INB(bktr, BKTR_O_CONTROL);
2170 if ( tmp_int & BIT_EIGHT_HIGH ) {
2171 temp |= BT848_E_CONTROL_CON_MSB;
2172 temp1 |= BT848_O_CONTROL_CON_MSB;
2175 temp &= ~BT848_E_CONTROL_CON_MSB;
2176 temp1 &= ~BT848_O_CONTROL_CON_MSB;
2179 OUTB(bktr, BKTR_CONTRAST_LO, (u_char)(tmp_int & 0xff));
2180 OUTB(bktr, BKTR_E_CONTROL, temp);
2181 OUTB(bktr, BKTR_O_CONTROL, temp1);
2184 case BT848_GCONT: /* get contrast */
2185 tmp_int = (int)INB(bktr, BKTR_CONTRAST_LO) & 0xff;
2186 if ( INB(bktr, BKTR_E_CONTROL) & BT848_E_CONTROL_CON_MSB )
2187 tmp_int |= BIT_EIGHT_HIGH;
2188 *(int*)arg = tmp_int;
2191 /* FIXME: SCBARS and CCBARS require a valid int * */
2192 /* argument to succeed, but its not used; consider */
2193 /* using the arg to store the on/off state so */
2194 /* there's only one ioctl() needed to turn cbars on/off */
2195 case BT848_SCBARS: /* set colorbar output */
2196 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) | BT848_COLOR_CTL_COLOR_BARS);
2199 case BT848_CCBARS: /* clear colorbar output */
2200 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) & ~(BT848_COLOR_CTL_COLOR_BARS));
2203 case BT848_GAUDIO: /* get audio channel */
2204 temp = bktr->audio_mux_select;
2205 if ( bktr->audio_mute_state == TRUE )
2210 case BT848_SBTSC: /* set audio channel */
2211 if ( set_BTSC( bktr, *(int*)arg ) < 0 )
2215 case BT848_WEEPROM: /* write eeprom */
2216 offset = (((struct eeProm *)arg)->offset);
2217 count = (((struct eeProm *)arg)->count);
2218 buf = &(((struct eeProm *)arg)->bytes[ 0 ]);
2219 if ( writeEEProm( bktr, offset, count, buf ) < 0 )
2223 case BT848_REEPROM: /* read eeprom */
2224 offset = (((struct eeProm *)arg)->offset);
2225 count = (((struct eeProm *)arg)->count);
2226 buf = &(((struct eeProm *)arg)->bytes[ 0 ]);
2227 if ( readEEProm( bktr, offset, count, buf ) < 0 )
2231 case BT848_SIGNATURE:
2232 offset = (((struct eeProm *)arg)->offset);
2233 count = (((struct eeProm *)arg)->count);
2234 buf = &(((struct eeProm *)arg)->bytes[ 0 ]);
2235 if ( signCard( bktr, offset, count, buf ) < 0 )
2239 /* Ioctl's for direct gpio access */
2240 #ifdef BKTR_GPIO_ACCESS
2241 case BT848_GPIO_GET_EN:
2242 *(int*)arg = INL(bktr, BKTR_GPIO_OUT_EN);
2245 case BT848_GPIO_SET_EN:
2246 OUTL(bktr, BKTR_GPIO_OUT_EN, *(int*)arg);
2249 case BT848_GPIO_GET_DATA:
2250 *(int*)arg = INL(bktr, BKTR_GPIO_DATA);
2253 case BT848_GPIO_SET_DATA:
2254 OUTL(bktr, BKTR_GPIO_DATA, *(int*)arg);
2256 #endif /* BKTR_GPIO_ACCESS */
2258 /* Ioctl's for running the tuner device in radio mode */
2261 *(unsigned char *)arg = bktr->tuner.radio_mode;
2265 bktr->tuner.radio_mode = *(unsigned char *)arg;
2269 *(unsigned long *)arg = bktr->tuner.frequency;
2273 /* The argument to this ioctl is NOT freq*16. It is
2277 temp=(int)*(unsigned long *)arg;
2279 #ifdef BKTR_RADIO_DEBUG
2280 printf("%s: arg=%d temp=%d\n", bktr_name(bktr),
2281 (int)*(unsigned long *)arg, temp);
2284 #ifndef BKTR_RADIO_NOFREQCHECK
2285 /* According to the spec. sheet the band: 87.5MHz-108MHz */
2287 if(temp<8750 || temp>10800) {
2288 printf("%s: Radio frequency out of range\n", bktr_name(bktr));
2292 temp_mute( bktr, TRUE );
2293 temp = tv_freq( bktr, temp, FM_RADIO_FREQUENCY );
2294 temp_mute( bktr, FALSE );
2295 #ifdef BKTR_RADIO_DEBUG
2297 printf("%s: tv_freq returned: %d\n", bktr_name(bktr), temp);
2301 *(unsigned long *)arg = temp;
2304 /* Luigi's I2CWR ioctl */
2306 par = *(u_long *)arg;
2307 write = (par >> 24) & 0xff ;
2308 i2c_addr = (par >> 16) & 0xff ;
2309 i2c_port = (par >> 8) & 0xff ;
2310 data = (par) & 0xff ;
2313 i2cWrite( bktr, i2c_addr, i2c_port, data);
2315 data = i2cRead( bktr, i2c_addr);
2317 *(u_long *)arg = (par & 0xffffff00) | ( data & 0xff );
2321 #ifdef BT848_MSP_READ
2322 /* I2C ioctls to allow userland access to the MSP chip */
2323 case BT848_MSP_READ:
2325 struct bktr_msp_control *msp;
2326 msp = (struct bktr_msp_control *) arg;
2327 msp->data = msp_dpl_read(bktr, bktr->msp_addr,
2328 msp->function, msp->address);
2332 case BT848_MSP_WRITE:
2334 struct bktr_msp_control *msp;
2335 msp = (struct bktr_msp_control *) arg;
2336 msp_dpl_write(bktr, bktr->msp_addr, msp->function,
2337 msp->address, msp->data );
2341 case BT848_MSP_RESET:
2342 msp_dpl_reset(bktr, bktr->msp_addr);
2347 return common_ioctl( bktr, cmd, arg );
2358 common_ioctl( bktr_ptr_t bktr, ioctl_cmd_t cmd, caddr_t arg )
2362 struct meteor_pixfmt *pf_pub;
2366 case METEORSINPUT: /* set input device */
2367 /*Bt848 has 3 MUX Inputs. Bt848A/849A/878/879 has 4 MUX Inputs*/
2368 /* On the original bt848 boards, */
2369 /* Tuner is MUX0, RCA is MUX1, S-Video is MUX2 */
2370 /* On the Hauppauge bt878 boards, */
2371 /* Tuner is MUX0, RCA is MUX3 */
2372 /* Unfortunately Meteor driver codes DEV_RCA as DEV_0, so we */
2373 /* stick with this system in our Meteor Emulation */
2375 switch(*(unsigned long *)arg & METEOR_DEV_MASK) {
2377 /* this is the RCA video input */
2378 case 0: /* default */
2379 case METEOR_INPUT_DEV0:
2380 /* METEOR_INPUT_DEV_RCA: */
2381 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK)
2383 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM)
2384 & ~BT848_IFORM_MUXSEL);
2386 /* work around for new Hauppauge 878 cards */
2387 if ((bktr->card.card_id == CARD_HAUPPAUGE) &&
2388 (bktr->id==BROOKTREE_878 ||
2389 bktr->id==BROOKTREE_879) )
2390 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX3);
2392 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX1);
2394 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_E_CONTROL_COMP);
2395 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) & ~BT848_O_CONTROL_COMP);
2396 set_audio( bktr, AUDIO_EXTERN );
2399 /* this is the tuner input */
2400 case METEOR_INPUT_DEV1:
2401 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK)
2403 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) & ~BT848_IFORM_MUXSEL);
2404 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX0);
2405 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_E_CONTROL_COMP);
2406 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) & ~BT848_O_CONTROL_COMP);
2407 set_audio( bktr, AUDIO_TUNER );
2410 /* this is the S-VHS input, but with a composite camera */
2411 case METEOR_INPUT_DEV2:
2412 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK)
2414 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) & ~BT848_IFORM_MUXSEL);
2415 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX2);
2416 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_E_CONTROL_COMP);
2417 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_O_CONTROL_COMP);
2418 set_audio( bktr, AUDIO_EXTERN );
2421 /* this is the S-VHS input */
2422 case METEOR_INPUT_DEV_SVIDEO:
2423 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK)
2424 | METEOR_DEV_SVIDEO;
2425 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) & ~BT848_IFORM_MUXSEL);
2426 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX2);
2427 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) | BT848_E_CONTROL_COMP);
2428 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) | BT848_O_CONTROL_COMP);
2429 set_audio( bktr, AUDIO_EXTERN );
2432 case METEOR_INPUT_DEV3:
2433 if ((bktr->id == BROOKTREE_848A) ||
2434 (bktr->id == BROOKTREE_849A) ||
2435 (bktr->id == BROOKTREE_878) ||
2436 (bktr->id == BROOKTREE_879) ) {
2437 bktr->flags = (bktr->flags & ~METEOR_DEV_MASK)
2439 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) & ~BT848_IFORM_MUXSEL);
2441 /* work around for new Hauppauge 878 cards */
2442 if ((bktr->card.card_id == CARD_HAUPPAUGE) &&
2443 (bktr->id==BROOKTREE_878 ||
2444 bktr->id==BROOKTREE_879) )
2445 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX1);
2447 OUTB(bktr, BKTR_IFORM, INB(bktr, BKTR_IFORM) | BT848_IFORM_M_MUX3);
2449 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) & ~BT848_E_CONTROL_COMP);
2450 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) & ~BT848_O_CONTROL_COMP);
2451 set_audio( bktr, AUDIO_EXTERN );
2461 case METEORGINPUT: /* get input device */
2462 *(u_long *)arg = bktr->flags & METEOR_DEV_MASK;
2465 case METEORSACTPIXFMT:
2466 if (( *(int *)arg < 0 ) ||
2467 ( *(int *)arg >= PIXFMT_TABLE_SIZE ))
2470 bktr->pixfmt = *(int *)arg;
2471 OUTB(bktr, BKTR_COLOR_CTL, (INB(bktr, BKTR_COLOR_CTL) & 0xf0)
2472 | pixfmt_swap_flags( bktr->pixfmt ));
2473 bktr->pixfmt_compat = FALSE;
2476 case METEORGACTPIXFMT:
2477 *(int *)arg = bktr->pixfmt;
2480 case METEORGSUPPIXFMT :
2481 pf_pub = (struct meteor_pixfmt *)arg;
2482 pixfmt = pf_pub->index;
2484 if (( pixfmt < 0 ) || ( pixfmt >= PIXFMT_TABLE_SIZE ))
2487 memcpy( pf_pub, &pixfmt_table[ pixfmt ].public,
2488 sizeof( *pf_pub ) );
2490 /* Patch in our format index */
2491 pf_pub->index = pixfmt;
2494 #if defined( STATUS_SUM )
2495 case BT848_GSTATUS: /* reap status */
2497 DECLARE_INTR_MASK(s);
2502 *(u_int*)arg = temp;
2505 #endif /* STATUS_SUM */
2517 /******************************************************************************
2518 * bt848 RISC programming routines:
2527 dump_bt848( bktr_ptr_t bktr )
2530 4, 8, 0xc, 0x8c, 0x10, 0x90, 0x14, 0x94,
2531 0x18, 0x98, 0x1c, 0x9c, 0x20, 0xa0, 0x24, 0xa4,
2532 0x28, 0x2c, 0xac, 0x30, 0x34, 0x38, 0x3c, 0x40,
2533 0xc0, 0x48, 0x4c, 0xcc, 0x50, 0xd0, 0xd4, 0x60,
2534 0x64, 0x68, 0x6c, 0xec, 0xd8, 0xdc, 0xe0, 0xe4,
2539 for (i = 0; i < 40; i+=4) {
2540 printf("%s: Reg:value : \t%x:%x \t%x:%x \t %x:%x \t %x:%x\n",
2542 r[i], INL(bktr, r[i]),
2543 r[i+1], INL(bktr, r[i+1]),
2544 r[i+2], INL(bktr, r[i+2]),
2545 r[i+3], INL(bktr, r[i+3]]));
2548 printf("%s: INT STAT %x \n", bktr_name(bktr),
2549 INL(bktr, BKTR_INT_STAT));
2550 printf("%s: Reg INT_MASK %x \n", bktr_name(bktr),
2551 INL(bktr, BKTR_INT_MASK));
2552 printf("%s: Reg GPIO_DMA_CTL %x \n", bktr_name(bktr),
2553 INW(bktr, BKTR_GPIO_DMA_CTL));
2561 * build write instruction
2563 #define BKTR_FM1 0x6 /* packed data to follow */
2564 #define BKTR_FM3 0xe /* planar data to follow */
2565 #define BKTR_VRE 0x4 /* Marks the end of the even field */
2566 #define BKTR_VRO 0xC /* Marks the end of the odd field */
2567 #define BKTR_PXV 0x0 /* valid word (never used) */
2568 #define BKTR_EOL 0x1 /* last dword, 4 bytes */
2569 #define BKTR_SOL 0x2 /* first dword */
2571 #define OP_WRITE (0x1 << 28)
2572 #define OP_SKIP (0x2 << 28)
2573 #define OP_WRITEC (0x5 << 28)
2574 #define OP_JUMP (0x7 << 28)
2575 #define OP_SYNC (0x8 << 28)
2576 #define OP_WRITE123 (0x9 << 28)
2577 #define OP_WRITES123 (0xb << 28)
2578 #define OP_SOL (1 << 27) /* first instr for scanline */
2579 #define OP_EOL (1 << 26)
2581 #define BKTR_RESYNC (1 << 15)
2582 #define BKTR_GEN_IRQ (1 << 24)
2585 * The RISC status bits can be set/cleared in the RISC programs
2586 * and tested in the Interrupt Handler
2588 #define BKTR_SET_RISC_STATUS_BIT0 (1 << 16)
2589 #define BKTR_SET_RISC_STATUS_BIT1 (1 << 17)
2590 #define BKTR_SET_RISC_STATUS_BIT2 (1 << 18)
2591 #define BKTR_SET_RISC_STATUS_BIT3 (1 << 19)
2593 #define BKTR_CLEAR_RISC_STATUS_BIT0 (1 << 20)
2594 #define BKTR_CLEAR_RISC_STATUS_BIT1 (1 << 21)
2595 #define BKTR_CLEAR_RISC_STATUS_BIT2 (1 << 22)
2596 #define BKTR_CLEAR_RISC_STATUS_BIT3 (1 << 23)
2598 #define BKTR_TEST_RISC_STATUS_BIT0 (1 << 28)
2599 #define BKTR_TEST_RISC_STATUS_BIT1 (1 << 29)
2600 #define BKTR_TEST_RISC_STATUS_BIT2 (1 << 30)
2601 #define BKTR_TEST_RISC_STATUS_BIT3 (1U << 31)
2603 static bool_t notclipped (bktr_reg_t * bktr, int x, int width) {
2605 bktr_clip_t * clip_node;
2606 bktr->clip_start = -1;
2610 bktr->line_length = width;
2613 bktr->current_col = 0;
2615 if (bktr->max_clip_node == 0 ) return TRUE;
2616 clip_node = (bktr_clip_t *) &bktr->clip_list[0];
2619 for (i = 0; i < bktr->max_clip_node; i++ ) {
2620 clip_node = (bktr_clip_t *) &bktr->clip_list[i];
2621 if (x >= clip_node->x_min && x <= clip_node->x_max ) {
2622 bktr->clip_start = i;
2630 static bool_t getline(bktr_reg_t *bktr, int x ) {
2632 bktr_clip_t * clip_node ;
2634 if (bktr->line_length == 0 ||
2635 bktr->current_col >= bktr->line_length) return FALSE;
2637 bktr->y = min(bktr->last_y, bktr->line_length);
2638 bktr->y2 = bktr->line_length;
2640 bktr->yclip = bktr->yclip2 = -1;
2641 for (i = bktr->clip_start; i < bktr->max_clip_node; i++ ) {
2642 clip_node = (bktr_clip_t *) &bktr->clip_list[i];
2643 if (x >= clip_node->x_min && x <= clip_node->x_max) {
2644 if (bktr->last_y <= clip_node->y_min) {
2645 bktr->y = min(bktr->last_y, bktr->line_length);
2646 bktr->y2 = min(clip_node->y_min, bktr->line_length);
2647 bktr->yclip = min(clip_node->y_min, bktr->line_length);
2648 bktr->yclip2 = min(clip_node->y_max, bktr->line_length);
2649 bktr->last_y = bktr->yclip2;
2650 bktr->clip_start = i;
2652 for (j = i+1; j < bktr->max_clip_node; j++ ) {
2653 clip_node = (bktr_clip_t *) &bktr->clip_list[j];
2654 if (x >= clip_node->x_min && x <= clip_node->x_max) {
2655 if (bktr->last_y >= clip_node->y_min) {
2656 bktr->yclip2 = min(clip_node->y_max, bktr->line_length);
2657 bktr->last_y = bktr->yclip2;
2658 bktr->clip_start = j;
2667 if (bktr->current_col <= bktr->line_length) {
2668 bktr->current_col = bktr->line_length;
2674 static bool_t split(bktr_reg_t * bktr, volatile uint32_t **dma_prog, int width ,
2675 u_long operation, int pixel_width,
2676 volatile u_char ** target_buffer, int cols ) {
2679 struct meteor_pixfmt *pf = &pixfmt_table[ bktr->pixfmt ].public;
2680 u_int skip, start_skip;
2682 /* For RGB24, we need to align the component in FIFO Byte Lane 0 */
2683 /* to the 1st byte in the mem dword containing our start addr. */
2684 /* BTW, we know this pixfmt's 1st byte is Blue; thus the start addr */
2687 if (( pf->type == METEOR_PIXTYPE_RGB ) && ( pf->Bpp == 3 ))
2688 switch ( ((uintptr_t) (volatile void *) *target_buffer) % 4 ) {
2689 case 2 : start_skip = 4 ; break;
2690 case 1 : start_skip = 8 ; break;
2693 if ((width * pixel_width) < DMA_BT848_SPLIT ) {
2694 if ( width == cols) {
2695 flag = OP_SOL | OP_EOL;
2696 } else if (bktr->current_col == 0 ) {
2698 } else if (bktr->current_col == cols) {
2703 if (( flag & OP_SOL ) && ( start_skip > 0 )) {
2704 *(*dma_prog)++ = OP_SKIP | OP_SOL | start_skip;
2709 *(*dma_prog)++ = operation | flag | (width * pixel_width - skip);
2710 if (operation != OP_SKIP )
2711 *(*dma_prog)++ = (uintptr_t) (volatile void *) *target_buffer;
2713 *target_buffer += width * pixel_width;
2714 bktr->current_col += width;
2718 if (bktr->current_col == 0 && width == cols) {
2721 } else if (bktr->current_col == 0 ) {
2724 } else if (bktr->current_col >= cols) {
2733 if (( flag & OP_SOL ) && ( start_skip > 0 )) {
2734 *(*dma_prog)++ = OP_SKIP | OP_SOL | start_skip;
2739 *(*dma_prog)++ = operation | flag |
2740 (width * pixel_width / 2 - skip);
2741 if (operation != OP_SKIP )
2742 *(*dma_prog)++ = (uintptr_t) (volatile void *) *target_buffer ;
2743 *target_buffer += (width * pixel_width / 2) ;
2745 if ( operation == OP_WRITE )
2746 operation = OP_WRITEC;
2747 *(*dma_prog)++ = operation | flag2 |
2748 (width * pixel_width / 2);
2749 *target_buffer += (width * pixel_width / 2) ;
2750 bktr->current_col += width;
2758 * Generate the RISC instructions to capture both VBI and video images
2761 rgb_vbi_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
2764 volatile uint32_t target_buffer, buffer, target,width;
2765 volatile uint32_t pitch;
2766 volatile uint32_t *dma_prog; /* DMA prog is an array of
2767 32 bit RISC instructions */
2768 volatile uint32_t *loop_point;
2769 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
2770 u_int Bpp = pf_int->public.Bpp;
2771 unsigned int vbisamples; /* VBI samples per line */
2772 unsigned int vbilines; /* VBI lines per field */
2773 unsigned int num_dwords; /* DWORDS per line */
2775 vbisamples = format_params[bktr->format_params].vbi_num_samples;
2776 vbilines = format_params[bktr->format_params].vbi_num_lines;
2777 num_dwords = vbisamples/4;
2779 OUTB(bktr, BKTR_COLOR_FMT, pf_int->color_fmt);
2780 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
2781 OUTB(bktr, BKTR_VBI_PACK_SIZE, ((num_dwords)) & 0xff);
2782 OUTB(bktr, BKTR_VBI_PACK_DEL, ((num_dwords)>> 8) & 0x01); /* no hdelay */
2785 OUTB(bktr, BKTR_OFORM, 0x00);
2787 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) | 0x40); /* set chroma comb */
2788 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) | 0x40);
2789 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x80); /* clear Ycomb */
2790 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x80);
2792 /* disable gamma correction removal */
2793 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) | BT848_COLOR_CTL_GAMMA);
2796 OUTB(bktr, BKTR_E_VTC, 0);
2797 OUTB(bktr, BKTR_O_VTC, 0);
2799 OUTB(bktr, BKTR_E_VTC, 1);
2800 OUTB(bktr, BKTR_O_VTC, 1);
2802 bktr->capcontrol = 3 << 2 | 3;
2804 dma_prog = (uint32_t *) bktr->dma_prog;
2806 /* Construct Write */
2808 if (bktr->video.addr) {
2809 target_buffer = (u_long) bktr->video.addr;
2810 pitch = bktr->video.width;
2813 target_buffer = (u_long) vtophys(bktr->bigbuf);
2817 buffer = target_buffer;
2819 /* Wait for the VRE sync marking the end of the Even and
2820 * the start of the Odd field. Resync here.
2822 *dma_prog++ = OP_SYNC | BKTR_RESYNC |BKTR_VRE;
2825 loop_point = dma_prog;
2827 /* store the VBI data */
2828 /* look for sync with packed data */
2829 *dma_prog++ = OP_SYNC | BKTR_FM1;
2831 for(i = 0; i < vbilines; i++) {
2832 *dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
2833 *dma_prog++ = (u_long) vtophys((caddr_t)bktr->vbidata +
2834 (i * VBI_LINE_SIZE));
2837 if ( (i_flag == 2/*Odd*/) || (i_flag==3) /*interlaced*/ ) {
2838 /* store the Odd field video image */
2839 /* look for sync with packed data */
2840 *dma_prog++ = OP_SYNC | BKTR_FM1;
2841 *dma_prog++ = 0; /* NULL WORD */
2843 for (i = 0; i < (rows/interlace); i++) {
2844 target = target_buffer;
2845 if ( notclipped(bktr, i, width)) {
2846 split(bktr, (volatile uint32_t **) &dma_prog,
2847 bktr->y2 - bktr->y, OP_WRITE,
2848 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
2851 while(getline(bktr, i)) {
2852 if (bktr->y != bktr->y2 ) {
2853 split(bktr, (volatile uint32_t **) &dma_prog,
2854 bktr->y2 - bktr->y, OP_WRITE,
2855 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
2857 if (bktr->yclip != bktr->yclip2 ) {
2858 split(bktr,(volatile uint32_t **) &dma_prog,
2859 bktr->yclip2 - bktr->yclip,
2861 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
2867 target_buffer += interlace * pitch;
2873 /* Grab the Even field */
2874 /* Look for the VRO, end of Odd field, marker */
2875 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
2876 *dma_prog++ = 0; /* NULL WORD */
2878 /* store the VBI data */
2879 /* look for sync with packed data */
2880 *dma_prog++ = OP_SYNC | BKTR_FM1;
2882 for(i = 0; i < vbilines; i++) {
2883 *dma_prog++ = OP_WRITE | OP_SOL | OP_EOL | vbisamples;
2884 *dma_prog++ = (u_long) vtophys((caddr_t)bktr->vbidata +
2885 ((i+MAX_VBI_LINES) * VBI_LINE_SIZE));
2888 /* store the video image */
2889 if (i_flag == 1) /*Even Only*/
2890 target_buffer = buffer;
2891 if (i_flag == 3) /*interlaced*/
2892 target_buffer = buffer+pitch;
2895 if ((i_flag == 1) /*Even Only*/ || (i_flag==3) /*interlaced*/) {
2896 /* look for sync with packed data */
2897 *dma_prog++ = OP_SYNC | BKTR_FM1;
2898 *dma_prog++ = 0; /* NULL WORD */
2900 for (i = 0; i < (rows/interlace); i++) {
2901 target = target_buffer;
2902 if ( notclipped(bktr, i, width)) {
2903 split(bktr, (volatile uint32_t **) &dma_prog,
2904 bktr->y2 - bktr->y, OP_WRITE,
2905 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
2907 while(getline(bktr, i)) {
2908 if (bktr->y != bktr->y2 ) {
2909 split(bktr, (volatile uint32_t **) &dma_prog,
2910 bktr->y2 - bktr->y, OP_WRITE,
2911 Bpp, (volatile u_char **)(uintptr_t)&target,
2914 if (bktr->yclip != bktr->yclip2 ) {
2915 split(bktr, (volatile uint32_t **) &dma_prog,
2916 bktr->yclip2 - bktr->yclip, OP_SKIP,
2917 Bpp, (volatile u_char **)(uintptr_t) &target, cols);
2924 target_buffer += interlace * pitch;
2929 /* Look for end of 'Even Field' */
2930 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
2931 *dma_prog++ = 0; /* NULL WORD */
2933 *dma_prog++ = OP_JUMP ;
2934 *dma_prog++ = (u_long ) vtophys(loop_point) ;
2935 *dma_prog++ = 0; /* NULL WORD */
2943 rgb_prog( bktr_ptr_t bktr, char i_flag, int cols, int rows, int interlace )
2946 volatile uint32_t target_buffer, buffer, target,width;
2947 volatile uint32_t pitch;
2948 volatile uint32_t *dma_prog;
2949 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
2950 u_int Bpp = pf_int->public.Bpp;
2952 OUTB(bktr, BKTR_COLOR_FMT, pf_int->color_fmt);
2953 OUTB(bktr, BKTR_VBI_PACK_SIZE, 0);
2954 OUTB(bktr, BKTR_VBI_PACK_DEL, 0);
2955 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
2957 OUTB(bktr, BKTR_OFORM, 0x00);
2959 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) | 0x40); /* set chroma comb */
2960 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) | 0x40);
2961 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x80); /* clear Ycomb */
2962 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x80);
2964 /* disable gamma correction removal */
2965 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) | BT848_COLOR_CTL_GAMMA);
2968 OUTB(bktr, BKTR_E_VTC, 0);
2969 OUTB(bktr, BKTR_O_VTC, 0);
2971 OUTB(bktr, BKTR_E_VTC, 1);
2972 OUTB(bktr, BKTR_O_VTC, 1);
2974 bktr->capcontrol = 3 << 2 | 3;
2976 dma_prog = (uint32_t *) bktr->dma_prog;
2978 /* Construct Write */
2980 if (bktr->video.addr) {
2981 target_buffer = (uint32_t) bktr->video.addr;
2982 pitch = bktr->video.width;
2985 target_buffer = (uint32_t) vtophys(bktr->bigbuf);
2989 buffer = target_buffer;
2991 /* contruct sync : for video packet format */
2992 *dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
2994 /* sync, mode indicator packed data */
2995 *dma_prog++ = 0; /* NULL WORD */
2997 for (i = 0; i < (rows/interlace); i++) {
2998 target = target_buffer;
2999 if ( notclipped(bktr, i, width)) {
3000 split(bktr, (volatile uint32_t **) &dma_prog,
3001 bktr->y2 - bktr->y, OP_WRITE,
3002 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
3005 while(getline(bktr, i)) {
3006 if (bktr->y != bktr->y2 ) {
3007 split(bktr, (volatile uint32_t **) &dma_prog,
3008 bktr->y2 - bktr->y, OP_WRITE,
3009 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
3011 if (bktr->yclip != bktr->yclip2 ) {
3012 split(bktr,(volatile uint32_t **) &dma_prog,
3013 bktr->yclip2 - bktr->yclip,
3015 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
3021 target_buffer += interlace * pitch;
3028 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRO;
3029 *dma_prog++ = 0; /* NULL WORD */
3031 *dma_prog++ = OP_JUMP;
3032 *dma_prog++ = (uint32_t ) vtophys(bktr->dma_prog);
3037 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE;
3038 *dma_prog++ = 0; /* NULL WORD */
3040 *dma_prog++ = OP_JUMP;
3041 *dma_prog++ = (uint32_t ) vtophys(bktr->dma_prog);
3046 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
3047 *dma_prog++ = 0; /* NULL WORD */
3048 *dma_prog++ = OP_JUMP;
3049 *dma_prog = (uint32_t ) vtophys(bktr->odd_dma_prog);
3053 if (interlace == 2) {
3055 target_buffer = buffer + pitch;
3057 dma_prog = (uint32_t *) bktr->odd_dma_prog;
3059 /* sync vre IRQ bit */
3060 *dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
3061 *dma_prog++ = 0; /* NULL WORD */
3063 for (i = 0; i < (rows/interlace); i++) {
3064 target = target_buffer;
3065 if ( notclipped(bktr, i, width)) {
3066 split(bktr, (volatile uint32_t **) &dma_prog,
3067 bktr->y2 - bktr->y, OP_WRITE,
3068 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
3070 while(getline(bktr, i)) {
3071 if (bktr->y != bktr->y2 ) {
3072 split(bktr, (volatile uint32_t **) &dma_prog,
3073 bktr->y2 - bktr->y, OP_WRITE,
3074 Bpp, (volatile u_char **)(uintptr_t)&target,
3077 if (bktr->yclip != bktr->yclip2 ) {
3078 split(bktr, (volatile uint32_t **) &dma_prog,
3079 bktr->yclip2 - bktr->yclip, OP_SKIP,
3080 Bpp, (volatile u_char **)(uintptr_t)&target, cols);
3087 target_buffer += interlace * pitch;
3092 /* sync vre IRQ bit */
3093 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
3094 *dma_prog++ = 0; /* NULL WORD */
3095 *dma_prog++ = OP_JUMP ;
3096 *dma_prog++ = (uint32_t ) vtophys(bktr->dma_prog) ;
3097 *dma_prog++ = 0; /* NULL WORD */
3105 yuvpack_prog( bktr_ptr_t bktr, char i_flag,
3106 int cols, int rows, int interlace )
3109 volatile unsigned int inst;
3110 volatile unsigned int inst3;
3111 volatile uint32_t target_buffer, buffer;
3112 volatile uint32_t *dma_prog;
3113 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
3116 OUTB(bktr, BKTR_COLOR_FMT, pf_int->color_fmt);
3118 OUTB(bktr, BKTR_E_SCLOOP, INB(bktr, BKTR_E_SCLOOP) | BT848_E_SCLOOP_CAGC); /* enable chroma comb */
3119 OUTB(bktr, BKTR_O_SCLOOP, INB(bktr, BKTR_O_SCLOOP) | BT848_O_SCLOOP_CAGC);
3121 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) | BT848_COLOR_CTL_RGB_DED | BT848_COLOR_CTL_GAMMA);
3122 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
3124 bktr->capcontrol = 1 << 6 | 1 << 4 | 1 << 2 | 3;
3125 bktr->capcontrol = 3 << 2 | 3;
3127 dma_prog = (uint32_t *) bktr->dma_prog;
3129 /* Construct Write */
3131 /* write , sol, eol */
3132 inst = OP_WRITE | OP_SOL | (cols);
3133 /* write , sol, eol */
3134 inst3 = OP_WRITE | OP_EOL | (cols);
3136 if (bktr->video.addr)
3137 target_buffer = (uint32_t) bktr->video.addr;
3139 target_buffer = (uint32_t) vtophys(bktr->bigbuf);
3141 buffer = target_buffer;
3143 /* contruct sync : for video packet format */
3144 /* sync, mode indicator packed data */
3145 *dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
3146 *dma_prog++ = 0; /* NULL WORD */
3150 for (i = 0; i < (rows/interlace); i++) {
3152 *dma_prog++ = target_buffer;
3153 *dma_prog++ = inst3;
3154 *dma_prog++ = target_buffer + b;
3155 target_buffer += interlace*(cols * 2);
3161 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRE;
3162 *dma_prog++ = 0; /* NULL WORD */
3164 *dma_prog++ = OP_JUMP;
3165 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3170 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_VRO;
3171 *dma_prog++ = 0; /* NULL WORD */
3172 *dma_prog++ = OP_JUMP;
3173 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3178 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRO;
3179 *dma_prog++ = 0; /* NULL WORD */
3180 *dma_prog++ = OP_JUMP ;
3181 *dma_prog = (uint32_t) vtophys(bktr->odd_dma_prog);
3185 if (interlace == 2) {
3187 target_buffer = (uint32_t) buffer + cols*2;
3189 dma_prog = (uint32_t *) bktr->odd_dma_prog;
3192 *dma_prog++ = OP_SYNC | BKTR_RESYNC | BKTR_FM1;
3193 *dma_prog++ = 0; /* NULL WORD */
3195 for (i = 0; i < (rows/interlace) ; i++) {
3197 *dma_prog++ = target_buffer;
3198 *dma_prog++ = inst3;
3199 *dma_prog++ = target_buffer + b;
3200 target_buffer += interlace * ( cols*2);
3204 /* sync vro IRQ bit */
3205 *dma_prog++ = OP_SYNC | BKTR_GEN_IRQ | BKTR_RESYNC | BKTR_VRE;
3206 *dma_prog++ = 0; /* NULL WORD */
3207 *dma_prog++ = OP_JUMP ;
3208 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3210 *dma_prog++ = OP_JUMP;
3211 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3212 *dma_prog++ = 0; /* NULL WORD */
3220 yuv422_prog( bktr_ptr_t bktr, char i_flag,
3221 int cols, int rows, int interlace ){
3224 volatile unsigned int inst;
3225 volatile uint32_t target_buffer, t1, buffer;
3226 volatile uint32_t *dma_prog;
3227 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
3229 OUTB(bktr, BKTR_COLOR_FMT, pf_int->color_fmt);
3231 dma_prog = (uint32_t*) bktr->dma_prog;
3233 bktr->capcontrol = 1 << 6 | 1 << 4 | 3;
3235 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
3236 OUTB(bktr, BKTR_OFORM, 0x00);
3238 OUTB(bktr, BKTR_E_CONTROL, INB(bktr, BKTR_E_CONTROL) | BT848_E_CONTROL_LDEC); /* disable luma decimation */
3239 OUTB(bktr, BKTR_O_CONTROL, INB(bktr, BKTR_O_CONTROL) | BT848_O_CONTROL_LDEC);
3241 OUTB(bktr, BKTR_E_SCLOOP, INB(bktr, BKTR_E_SCLOOP) | BT848_E_SCLOOP_CAGC); /* chroma agc enable */
3242 OUTB(bktr, BKTR_O_SCLOOP, INB(bktr, BKTR_O_SCLOOP) | BT848_O_SCLOOP_CAGC);
3244 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x80); /* clear Ycomb */
3245 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x80);
3246 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) | 0x40); /* set chroma comb */
3247 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) | 0x40);
3249 /* disable gamma correction removal */
3250 OUTB(bktr, BKTR_COLOR_CTL, INB(bktr, BKTR_COLOR_CTL) | BT848_COLOR_CTL_GAMMA);
3252 /* Construct Write */
3253 inst = OP_WRITE123 | OP_SOL | OP_EOL | (cols);
3254 if (bktr->video.addr)
3255 target_buffer = (uint32_t) bktr->video.addr;
3257 target_buffer = (uint32_t) vtophys(bktr->bigbuf);
3259 buffer = target_buffer;
3263 /* contruct sync : for video packet format */
3264 *dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM3; /*sync, mode indicator packed data*/
3265 *dma_prog++ = 0; /* NULL WORD */
3267 for (i = 0; i < (rows/interlace ) ; i++) {
3269 *dma_prog++ = cols/2 | cols/2 << 16;
3270 *dma_prog++ = target_buffer;
3271 *dma_prog++ = t1 + (cols*rows) + i*cols/2 * interlace;
3272 *dma_prog++ = t1 + (cols*rows) + (cols*rows/2) + i*cols/2 * interlace;
3273 target_buffer += interlace*cols;
3278 *dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRE; /*sync vre*/
3279 *dma_prog++ = 0; /* NULL WORD */
3281 *dma_prog++ = OP_JUMP ;
3282 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3286 *dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRO; /*sync vre*/
3287 *dma_prog++ = 0; /* NULL WORD */
3289 *dma_prog++ = OP_JUMP;
3290 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3294 *dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRO;
3295 *dma_prog++ = 0; /* NULL WORD */
3297 *dma_prog++ = OP_JUMP ;
3298 *dma_prog = (uint32_t) vtophys(bktr->odd_dma_prog);
3302 if (interlace == 2) {
3304 dma_prog = (uint32_t *) bktr->odd_dma_prog;
3306 target_buffer = (uint32_t) buffer + cols;
3307 t1 = buffer + cols/2;
3308 *dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM3;
3309 *dma_prog++ = 0; /* NULL WORD */
3311 for (i = 0; i < (rows/interlace ) ; i++) {
3313 *dma_prog++ = cols/2 | cols/2 << 16;
3314 *dma_prog++ = target_buffer;
3315 *dma_prog++ = t1 + (cols*rows) + i*cols/2 * interlace;
3316 *dma_prog++ = t1 + (cols*rows) + (cols*rows/2) + i*cols/2 * interlace;
3317 target_buffer += interlace*cols;
3321 *dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRE;
3322 *dma_prog++ = 0; /* NULL WORD */
3323 *dma_prog++ = OP_JUMP ;
3324 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog) ;
3325 *dma_prog++ = 0; /* NULL WORD */
3333 yuv12_prog( bktr_ptr_t bktr, char i_flag,
3334 int cols, int rows, int interlace ){
3337 volatile unsigned int inst;
3338 volatile unsigned int inst1;
3339 volatile uint32_t target_buffer, t1, buffer;
3340 volatile uint32_t *dma_prog;
3341 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
3343 OUTB(bktr, BKTR_COLOR_FMT, pf_int->color_fmt);
3345 dma_prog = (uint32_t *) bktr->dma_prog;
3347 bktr->capcontrol = 1 << 6 | 1 << 4 | 3;
3349 OUTB(bktr, BKTR_ADC, SYNC_LEVEL);
3350 OUTB(bktr, BKTR_OFORM, 0x0);
3352 /* Construct Write */
3353 inst = OP_WRITE123 | OP_SOL | OP_EOL | (cols);
3354 inst1 = OP_WRITES123 | OP_SOL | OP_EOL | (cols);
3355 if (bktr->video.addr)
3356 target_buffer = (uint32_t) bktr->video.addr;
3358 target_buffer = (uint32_t) vtophys(bktr->bigbuf);
3360 buffer = target_buffer;
3363 *dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM3; /*sync, mode indicator packed data*/
3364 *dma_prog++ = 0; /* NULL WORD */
3366 for (i = 0; i < (rows/interlace )/2 ; i++) {
3368 *dma_prog++ = cols/2 | (cols/2 << 16);
3369 *dma_prog++ = target_buffer;
3370 *dma_prog++ = t1 + (cols*rows) + i*cols/2 * interlace;
3371 *dma_prog++ = t1 + (cols*rows) + (cols*rows/4) + i*cols/2 * interlace;
3372 target_buffer += interlace*cols;
3373 *dma_prog++ = inst1;
3374 *dma_prog++ = cols/2 | (cols/2 << 16);
3375 *dma_prog++ = target_buffer;
3376 target_buffer += interlace*cols;
3382 *dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRE; /*sync vre*/
3383 *dma_prog++ = 0; /* NULL WORD */
3385 *dma_prog++ = OP_JUMP;
3386 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3390 *dma_prog++ = OP_SYNC | 1 << 24 | BKTR_VRO; /*sync vro*/
3391 *dma_prog++ = 0; /* NULL WORD */
3393 *dma_prog++ = OP_JUMP;
3394 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3398 *dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRO;
3399 *dma_prog++ = 0; /* NULL WORD */
3400 *dma_prog++ = OP_JUMP ;
3401 *dma_prog = (uint32_t) vtophys(bktr->odd_dma_prog);
3405 if (interlace == 2) {
3407 dma_prog = (uint32_t *) bktr->odd_dma_prog;
3409 target_buffer = (uint32_t) buffer + cols;
3410 t1 = buffer + cols/2;
3411 *dma_prog++ = OP_SYNC | 1 << 15 | BKTR_FM3;
3412 *dma_prog++ = 0; /* NULL WORD */
3414 for (i = 0; i < ((rows/interlace )/2 ) ; i++) {
3416 *dma_prog++ = cols/2 | (cols/2 << 16);
3417 *dma_prog++ = target_buffer;
3418 *dma_prog++ = t1 + (cols*rows) + i*cols/2 * interlace;
3419 *dma_prog++ = t1 + (cols*rows) + (cols*rows/4) + i*cols/2 * interlace;
3420 target_buffer += interlace*cols;
3421 *dma_prog++ = inst1;
3422 *dma_prog++ = cols/2 | (cols/2 << 16);
3423 *dma_prog++ = target_buffer;
3424 target_buffer += interlace*cols;
3431 *dma_prog++ = OP_SYNC | 1 << 24 | 1 << 15 | BKTR_VRE;
3432 *dma_prog++ = 0; /* NULL WORD */
3433 *dma_prog++ = OP_JUMP;
3434 *dma_prog++ = (uint32_t) vtophys(bktr->dma_prog);
3435 *dma_prog++ = 0; /* NULL WORD */
3444 build_dma_prog( bktr_ptr_t bktr, char i_flag )
3446 int rows, cols, interlace;
3449 struct format_params *fp;
3450 struct meteor_pixfmt_internal *pf_int = &pixfmt_table[ bktr->pixfmt ];
3453 fp = &format_params[bktr->format_params];
3455 OUTL(bktr, BKTR_INT_MASK, ALL_INTS_DISABLED);
3457 /* disable FIFO & RISC, leave other bits alone */
3458 OUTW(bktr, BKTR_GPIO_DMA_CTL, INW(bktr, BKTR_GPIO_DMA_CTL) & ~FIFO_RISC_ENABLED);
3460 /* set video parameters */
3461 if (bktr->capture_area_enabled)
3462 temp = ((quad_t ) fp->htotal* (quad_t) bktr->capture_area_x_size * 4096
3463 / fp->scaled_htotal / bktr->cols) - 4096;
3465 temp = ((quad_t ) fp->htotal* (quad_t) fp->scaled_hactive * 4096
3466 / fp->scaled_htotal / bktr->cols) - 4096;
3468 /* printf("%s: HSCALE value is %d\n", bktr_name(bktr), temp); */
3469 OUTB(bktr, BKTR_E_HSCALE_LO, temp & 0xff);
3470 OUTB(bktr, BKTR_O_HSCALE_LO, temp & 0xff);
3471 OUTB(bktr, BKTR_E_HSCALE_HI, (temp >> 8) & 0xff);
3472 OUTB(bktr, BKTR_O_HSCALE_HI, (temp >> 8) & 0xff);
3474 /* horizontal active */
3476 /* printf("%s: HACTIVE value is %d\n", bktr_name(bktr), temp); */
3477 OUTB(bktr, BKTR_E_HACTIVE_LO, temp & 0xff);
3478 OUTB(bktr, BKTR_O_HACTIVE_LO, temp & 0xff);
3479 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) & ~0x3);
3480 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) & ~0x3);
3481 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) | ((temp >> 8) & 0x3));
3482 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) | ((temp >> 8) & 0x3));
3484 /* horizontal delay */
3485 if (bktr->capture_area_enabled)
3486 temp = ( (fp->hdelay* fp->scaled_hactive + bktr->capture_area_x_offset* fp->scaled_htotal)
3487 * bktr->cols) / (bktr->capture_area_x_size * fp->hactive);
3489 temp = (fp->hdelay * bktr->cols) / fp->hactive;
3491 temp = temp & 0x3fe;
3493 /* printf("%s: HDELAY value is %d\n", bktr_name(bktr), temp); */
3494 OUTB(bktr, BKTR_E_DELAY_LO, temp & 0xff);
3495 OUTB(bktr, BKTR_O_DELAY_LO, temp & 0xff);
3496 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) & ~0xc);
3497 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) & ~0xc);
3498 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) | ((temp >> 6) & 0xc));
3499 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) | ((temp >> 6) & 0xc));
3501 /* vertical scale */
3503 if (bktr->capture_area_enabled) {
3504 if (bktr->flags & METEOR_ONLY_ODD_FIELDS ||
3505 bktr->flags & METEOR_ONLY_EVEN_FIELDS)
3507 (((bktr->capture_area_y_size * 256 + (bktr->rows/2)) / bktr->rows) - 512);
3510 (((bktr->capture_area_y_size * 512 + (bktr->rows / 2)) / bktr->rows) - 512);
3513 if (bktr->flags & METEOR_ONLY_ODD_FIELDS ||
3514 bktr->flags & METEOR_ONLY_EVEN_FIELDS)
3516 (((fp->vactive * 256 + (bktr->rows/2)) / bktr->rows) - 512);
3519 (((fp->vactive * 512 + (bktr->rows / 2)) / bktr->rows) - 512);
3524 /* printf("%s: VSCALE value is %d\n", bktr_name(bktr), tmp_int); */
3525 OUTB(bktr, BKTR_E_VSCALE_LO, tmp_int & 0xff);
3526 OUTB(bktr, BKTR_O_VSCALE_LO, tmp_int & 0xff);
3527 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x1f);
3528 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x1f);
3529 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) | ((tmp_int >> 8) & 0x1f));
3530 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) | ((tmp_int >> 8) & 0x1f));
3533 /* vertical active */
3534 if (bktr->capture_area_enabled)
3535 temp = bktr->capture_area_y_size;
3538 /* printf("%s: VACTIVE is %d\n", bktr_name(bktr), temp); */
3539 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) & ~0x30);
3540 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) | ((temp >> 4) & 0x30));
3541 OUTB(bktr, BKTR_E_VACTIVE_LO, temp & 0xff);
3542 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) & ~0x30);
3543 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) | ((temp >> 4) & 0x30));
3544 OUTB(bktr, BKTR_O_VACTIVE_LO, temp & 0xff);
3546 /* vertical delay */
3547 if (bktr->capture_area_enabled)
3548 temp = fp->vdelay + (bktr->capture_area_y_offset);
3551 /* printf("%s: VDELAY is %d\n", bktr_name(bktr), temp); */
3552 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) & ~0xC0);
3553 OUTB(bktr, BKTR_E_CROP, INB(bktr, BKTR_E_CROP) | ((temp >> 2) & 0xC0));
3554 OUTB(bktr, BKTR_E_VDELAY_LO, temp & 0xff);
3555 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) & ~0xC0);
3556 OUTB(bktr, BKTR_O_CROP, INB(bktr, BKTR_O_CROP) | ((temp >> 2) & 0xC0));
3557 OUTB(bktr, BKTR_O_VDELAY_LO, temp & 0xff);
3559 /* end of video params */
3561 if ((bktr->xtal_pll_mode == BT848_USE_PLL)
3562 && (fp->iform_xtsel==BT848_IFORM_X_XT1)) {
3563 OUTB(bktr, BKTR_TGCTRL, BT848_TGCTRL_TGCKI_PLL); /* Select PLL mode */
3565 OUTB(bktr, BKTR_TGCTRL, BT848_TGCTRL_TGCKI_XTAL); /* Select Normal xtal 0/xtal 1 mode */
3568 /* capture control */
3571 bktr->bktr_cap_ctl =
3572 (BT848_CAP_CTL_DITH_FRAME | BT848_CAP_CTL_EVEN);
3573 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x20);
3574 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x20);
3578 bktr->bktr_cap_ctl =
3579 (BT848_CAP_CTL_DITH_FRAME | BT848_CAP_CTL_ODD);
3580 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) & ~0x20);
3581 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) & ~0x20);
3585 bktr->bktr_cap_ctl =
3586 (BT848_CAP_CTL_DITH_FRAME |
3587 BT848_CAP_CTL_EVEN | BT848_CAP_CTL_ODD);
3588 OUTB(bktr, BKTR_E_VSCALE_HI, INB(bktr, BKTR_E_VSCALE_HI) | 0x20);
3589 OUTB(bktr, BKTR_O_VSCALE_HI, INB(bktr, BKTR_O_VSCALE_HI) | 0x20);
3594 OUTL(bktr, BKTR_RISC_STRT_ADD, vtophys(bktr->dma_prog));
3599 bktr->vbiflags &= ~VBI_CAPTURE; /* default - no vbi capture */
3601 /* RGB Grabs. If /dev/vbi is already open, or we are a PAL/SECAM */
3602 /* user, then use the rgb_vbi RISC program. */
3603 /* Otherwise, use the normal rgb RISC program */
3604 if (pf_int->public.type == METEOR_PIXTYPE_RGB) {
3605 if ( (bktr->vbiflags & VBI_OPEN)
3606 ||(bktr->format_params == BT848_IFORM_F_PALBDGHI)
3607 ||(bktr->format_params == BT848_IFORM_F_SECAM)
3609 bktr->bktr_cap_ctl |=
3610 BT848_CAP_CTL_VBI_EVEN | BT848_CAP_CTL_VBI_ODD;
3611 bktr->vbiflags |= VBI_CAPTURE;
3612 rgb_vbi_prog(bktr, i_flag, cols, rows, interlace);
3615 rgb_prog(bktr, i_flag, cols, rows, interlace);
3620 if ( pf_int->public.type == METEOR_PIXTYPE_YUV ) {
3621 yuv422_prog(bktr, i_flag, cols, rows, interlace);
3622 OUTB(bktr, BKTR_COLOR_CTL, (INB(bktr, BKTR_COLOR_CTL) & 0xf0)
3623 | pixfmt_swap_flags( bktr->pixfmt ));
3627 if ( pf_int->public.type == METEOR_PIXTYPE_YUV_PACKED ) {
3628 yuvpack_prog(bktr, i_flag, cols, rows, interlace);
3629 OUTB(bktr, BKTR_COLOR_CTL, (INB(bktr, BKTR_COLOR_CTL) & 0xf0)
3630 | pixfmt_swap_flags( bktr->pixfmt ));
3634 if ( pf_int->public.type == METEOR_PIXTYPE_YUV_12 ) {
3635 yuv12_prog(bktr, i_flag, cols, rows, interlace);
3636 OUTB(bktr, BKTR_COLOR_CTL, (INB(bktr, BKTR_COLOR_CTL) & 0xf0)
3637 | pixfmt_swap_flags( bktr->pixfmt ));
3644 /******************************************************************************
3645 * video & video capture specific routines:
3653 start_capture( bktr_ptr_t bktr, unsigned type )
3656 struct format_params *fp;
3658 fp = &format_params[bktr->format_params];
3660 /* If requested, clear out capture buf first */
3661 if (bktr->clr_on_start && (bktr->video.addr == 0)) {
3662 bzero((caddr_t)bktr->bigbuf,
3663 (size_t)bktr->rows * bktr->cols * bktr->frames *
3664 pixfmt_table[ bktr->pixfmt ].public.Bpp);
3667 OUTB(bktr, BKTR_DSTATUS, 0);
3668 OUTL(bktr, BKTR_INT_STAT, INL(bktr, BKTR_INT_STAT));
3670 bktr->flags |= type;
3671 bktr->flags &= ~METEOR_WANT_MASK;
3672 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
3673 case METEOR_ONLY_EVEN_FIELDS:
3674 bktr->flags |= METEOR_WANT_EVEN;
3677 case METEOR_ONLY_ODD_FIELDS:
3678 bktr->flags |= METEOR_WANT_ODD;
3682 bktr->flags |= METEOR_WANT_MASK;
3687 /* TDEC is only valid for continuous captures */
3688 if ( type == METEOR_SINGLE ) {
3689 u_short fps_save = bktr->fps;
3691 set_fps(bktr, fp->frame_rate);
3692 bktr->fps = fps_save;
3695 set_fps(bktr, bktr->fps);
3697 if (bktr->dma_prog_loaded == FALSE) {
3698 build_dma_prog(bktr, i_flag);
3699 bktr->dma_prog_loaded = TRUE;
3703 OUTL(bktr, BKTR_RISC_STRT_ADD, vtophys(bktr->dma_prog));
3712 set_fps( bktr_ptr_t bktr, u_short fps )
3714 struct format_params *fp;
3717 fp = &format_params[bktr->format_params];
3719 switch(bktr->flags & METEOR_ONLY_FIELDS_MASK) {
3720 case METEOR_ONLY_EVEN_FIELDS:
3721 bktr->flags |= METEOR_WANT_EVEN;
3724 case METEOR_ONLY_ODD_FIELDS:
3725 bktr->flags |= METEOR_WANT_ODD;
3729 bktr->flags |= METEOR_WANT_MASK;
3734 OUTW(bktr, BKTR_GPIO_DMA_CTL, FIFO_RISC_DISABLED);
3735 OUTL(bktr, BKTR_INT_STAT, ALL_INTS_CLEARED);
3738 OUTB(bktr, BKTR_TDEC, 0);
3740 if (fps < fp->frame_rate)
3741 OUTB(bktr, BKTR_TDEC, i_flag*(fp->frame_rate - fps) & 0x3f);
3743 OUTB(bktr, BKTR_TDEC, 0);
3753 * Given a pixfmt index, compute the bt848 swap_flags necessary to
3754 * achieve the specified swapping.
3755 * Note that without bt swapping, 2Bpp and 3Bpp modes are written
3756 * byte-swapped, and 4Bpp modes are byte and word swapped (see Table 6
3758 * Note also that for 3Bpp, we may additionally need to do some creative
3759 * SKIPing to align the FIFO bytelines with the target buffer (see split()).
3760 * This is abstracted here: e.g. no swaps = RGBA; byte & short swap = ABGR
3761 * as one would expect.
3764 static u_int pixfmt_swap_flags( int pixfmt )
3766 struct meteor_pixfmt *pf = &pixfmt_table[ pixfmt ].public;
3769 switch ( pf->Bpp ) {
3770 case 2 : swapf = ( pf->swap_bytes ? 0 : BSWAP );
3773 case 3 : /* no swaps supported for 3bpp - makes no sense w/ bt848 */
3776 case 4 : if ( pf->swap_bytes )
3777 swapf = pf->swap_shorts ? 0 : WSWAP;
3779 swapf = pf->swap_shorts ? BSWAP : (BSWAP | WSWAP);
3788 * Converts meteor-defined pixel formats (e.g. METEOR_GEO_RGB16) into
3789 * our pixfmt_table indices.
3792 static int oformat_meteor_to_bt( u_long format )
3795 struct meteor_pixfmt *pf1, *pf2;
3797 /* Find format in compatibility table */
3798 for ( i = 0; i < METEOR_PIXFMT_TABLE_SIZE; i++ )
3799 if ( meteor_pixfmt_table[i].meteor_format == format )
3802 if ( i >= METEOR_PIXFMT_TABLE_SIZE )
3804 pf1 = &meteor_pixfmt_table[i].public;
3806 /* Match it with an entry in master pixel format table */
3807 for ( i = 0; i < PIXFMT_TABLE_SIZE; i++ ) {
3808 pf2 = &pixfmt_table[i].public;
3810 if (( pf1->type == pf2->type ) &&
3811 ( pf1->Bpp == pf2->Bpp ) &&
3812 !bcmp( pf1->masks, pf2->masks, sizeof( pf1->masks )) &&
3813 ( pf1->swap_bytes == pf2->swap_bytes ) &&
3814 ( pf1->swap_shorts == pf2->swap_shorts ))
3817 if ( i >= PIXFMT_TABLE_SIZE )
3823 /******************************************************************************
3828 #define I2CBITTIME (0x5<<4) /* 5 * 0.48uS */
3829 #define I2CBITTIME_878 (1 << 7)
3830 #define I2C_READ 0x01
3831 #define I2C_COMMAND (I2CBITTIME | \
3832 BT848_DATA_CTL_I2CSCL | \
3833 BT848_DATA_CTL_I2CSDA)
3835 #define I2C_COMMAND_878 (I2CBITTIME_878 | \
3836 BT848_DATA_CTL_I2CSCL | \
3837 BT848_DATA_CTL_I2CSDA)
3839 /* Select between old i2c code and new iicbus / smbus code */
3840 #if defined(BKTR_USE_FREEBSD_SMBUS)
3843 * The hardware interface is actually SMB commands
3846 i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3850 if (bktr->id == BROOKTREE_848 ||
3851 bktr->id == BROOKTREE_848A ||
3852 bktr->id == BROOKTREE_849A)
3855 cmd = I2C_COMMAND_878;
3858 if (smbus_writew(bktr->i2c_sc.smbus, addr, cmd,
3859 (short)(((byte2 & 0xff) << 8) | (byte1 & 0xff))))
3862 if (smbus_writeb(bktr->i2c_sc.smbus, addr, cmd,
3863 (char)(byte1 & 0xff)))
3872 i2cRead( bktr_ptr_t bktr, int addr )
3877 if (bktr->id == BROOKTREE_848 ||
3878 bktr->id == BROOKTREE_848A ||
3879 bktr->id == BROOKTREE_849A)
3882 cmd = I2C_COMMAND_878;
3884 if (smbus_readb(bktr->i2c_sc.smbus, addr, cmd, &result))
3887 return ((int)((unsigned char)result));
3890 #define IICBUS(bktr) ((bktr)->i2c_sc.iicbb)
3892 /* The MSP34xx and DPL35xx Audio chip require i2c bus writes of up */
3893 /* to 5 bytes which the bt848 automated i2c bus controller cannot handle */
3894 /* Therefore we need low level control of the i2c bus hardware */
3896 /* Write to the MSP or DPL registers */
3898 msp_dpl_write(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr, unsigned int data)
3900 unsigned char addr_l, addr_h, data_h, data_l ;
3902 addr_h = (addr >>8) & 0xff;
3903 addr_l = addr & 0xff;
3904 data_h = (data >>8) & 0xff;
3905 data_l = data & 0xff;
3907 iicbus_start(IICBUS(bktr), i2c_addr, 0 /* no timeout? */);
3909 iicbus_write_byte(IICBUS(bktr), dev, 0);
3910 iicbus_write_byte(IICBUS(bktr), addr_h, 0);
3911 iicbus_write_byte(IICBUS(bktr), addr_l, 0);
3912 iicbus_write_byte(IICBUS(bktr), data_h, 0);
3913 iicbus_write_byte(IICBUS(bktr), data_l, 0);
3915 iicbus_stop(IICBUS(bktr));
3920 /* Read from the MSP or DPL registers */
3922 msp_dpl_read(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr)
3925 unsigned char addr_l, addr_h, dev_r;
3927 u_char data_read[2];
3929 addr_h = (addr >>8) & 0xff;
3930 addr_l = addr & 0xff;
3933 /* XXX errors ignored */
3934 iicbus_start(IICBUS(bktr), i2c_addr, 0 /* no timeout? */);
3936 iicbus_write_byte(IICBUS(bktr), dev_r, 0);
3937 iicbus_write_byte(IICBUS(bktr), addr_h, 0);
3938 iicbus_write_byte(IICBUS(bktr), addr_l, 0);
3940 iicbus_repeated_start(IICBUS(bktr), i2c_addr +1, 0 /* no timeout? */);
3941 iicbus_read(IICBUS(bktr), data_read, 2, &read, IIC_LAST_READ, 0);
3942 iicbus_stop(IICBUS(bktr));
3944 data = (data_read[0]<<8) | data_read[1];
3949 /* Reset the MSP or DPL chip */
3950 /* The user can block the reset (which is handy if you initialise the
3951 * MSP and/or DPL audio in another operating system first (eg in Windows)
3954 msp_dpl_reset( bktr_ptr_t bktr, int i2c_addr )
3957 #ifndef BKTR_NO_MSP_RESET
3958 /* put into reset mode */
3959 iicbus_start(IICBUS(bktr), i2c_addr, 0 /* no timeout? */);
3960 iicbus_write_byte(IICBUS(bktr), 0x00, 0);
3961 iicbus_write_byte(IICBUS(bktr), 0x80, 0);
3962 iicbus_write_byte(IICBUS(bktr), 0x00, 0);
3963 iicbus_stop(IICBUS(bktr));
3965 /* put back to operational mode */
3966 iicbus_start(IICBUS(bktr), i2c_addr, 0 /* no timeout? */);
3967 iicbus_write_byte(IICBUS(bktr), 0x00, 0);
3968 iicbus_write_byte(IICBUS(bktr), 0x00, 0);
3969 iicbus_write_byte(IICBUS(bktr), 0x00, 0);
3970 iicbus_stop(IICBUS(bktr));
3975 static void remote_read(bktr_ptr_t bktr, struct bktr_remote *remote) {
3978 /* XXX errors ignored */
3979 iicbus_start(IICBUS(bktr), bktr->remote_control_addr, 0 /* no timeout? */);
3980 iicbus_read(IICBUS(bktr), remote->data, 3, &read, IIC_LAST_READ, 0);
3981 iicbus_stop(IICBUS(bktr));
3986 #else /* defined(BKTR_USE_FREEBSD_SMBUS) */
3989 * Program the i2c bus directly
3992 i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3997 /* clear status bits */
3998 OUTL(bktr, BKTR_INT_STAT, BT848_INT_RACK | BT848_INT_I2CDONE);
4000 /* build the command datum */
4001 if (bktr->id == BROOKTREE_848 ||
4002 bktr->id == BROOKTREE_848A ||
4003 bktr->id == BROOKTREE_849A) {
4004 data = ((addr & 0xff) << 24) | ((byte1 & 0xff) << 16) | I2C_COMMAND;
4006 data = ((addr & 0xff) << 24) | ((byte1 & 0xff) << 16) | I2C_COMMAND_878;
4008 if ( byte2 != -1 ) {
4009 data |= ((byte2 & 0xff) << 8);
4010 data |= BT848_DATA_CTL_I2CW3B;
4013 /* write the address and data */
4014 OUTL(bktr, BKTR_I2C_DATA_CTL, data);
4016 /* wait for completion */
4017 for ( x = 0x7fffffff; x; --x ) { /* safety valve */
4018 if ( INL(bktr, BKTR_INT_STAT) & BT848_INT_I2CDONE )
4023 if ( !x || !(INL(bktr, BKTR_INT_STAT) & BT848_INT_RACK) )
4035 i2cRead( bktr_ptr_t bktr, int addr )
4039 /* clear status bits */
4040 OUTL(bktr, BKTR_INT_STAT, BT848_INT_RACK | BT848_INT_I2CDONE);
4042 /* write the READ address */
4043 /* The Bt878 and Bt879 differed on the treatment of i2c commands */
4045 if (bktr->id == BROOKTREE_848 ||
4046 bktr->id == BROOKTREE_848A ||
4047 bktr->id == BROOKTREE_849A) {
4048 OUTL(bktr, BKTR_I2C_DATA_CTL, ((addr & 0xff) << 24) | I2C_COMMAND);
4050 OUTL(bktr, BKTR_I2C_DATA_CTL, ((addr & 0xff) << 24) | I2C_COMMAND_878);
4053 /* wait for completion */
4054 for ( x = 0x7fffffff; x; --x ) { /* safety valve */
4055 if ( INL(bktr, BKTR_INT_STAT) & BT848_INT_I2CDONE )
4060 if ( !x || !(INL(bktr, BKTR_INT_STAT) & BT848_INT_RACK) )
4064 return( (INL(bktr, BKTR_I2C_DATA_CTL) >> 8) & 0xff );
4067 /* The MSP34xx Audio chip require i2c bus writes of up to 5 bytes which the */
4068 /* bt848 automated i2c bus controller cannot handle */
4069 /* Therefore we need low level control of the i2c bus hardware */
4070 /* Idea for the following functions are from elsewhere in this driver and */
4071 /* from the Linux BTTV i2c driver by Gerd Knorr <kraxel@cs.tu-berlin.de> */
4074 static void i2c_start( bktr_ptr_t bktr) {
4075 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* release data */
4076 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* release clock */
4077 OUTL(bktr, BKTR_I2C_DATA_CTL, 2); DELAY( BITD ); /* lower data */
4078 OUTL(bktr, BKTR_I2C_DATA_CTL, 0); DELAY( BITD ); /* lower clock */
4081 static void i2c_stop( bktr_ptr_t bktr) {
4082 OUTL(bktr, BKTR_I2C_DATA_CTL, 0); DELAY( BITD ); /* lower clock & data */
4083 OUTL(bktr, BKTR_I2C_DATA_CTL, 2); DELAY( BITD ); /* release clock */
4084 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* release data */
4087 static int i2c_write_byte( bktr_ptr_t bktr, unsigned char data) {
4091 /* write out the byte */
4092 for ( x = 7; x >= 0; --x ) {
4093 if ( data & (1<<x) ) {
4094 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4095 DELAY( BITD ); /* assert HI data */
4096 OUTL(bktr, BKTR_I2C_DATA_CTL, 3);
4097 DELAY( BITD ); /* strobe clock */
4098 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4099 DELAY( BITD ); /* release clock */
4102 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4103 DELAY( BITD ); /* assert LO data */
4104 OUTL(bktr, BKTR_I2C_DATA_CTL, 2);
4105 DELAY( BITD ); /* strobe clock */
4106 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4107 DELAY( BITD ); /* release clock */
4111 /* look for an ACK */
4112 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* float data */
4113 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* strobe clock */
4114 status = INL(bktr, BKTR_I2C_DATA_CTL) & 1; /* read the ACK bit */
4115 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* release clock */
4120 static int i2c_read_byte( bktr_ptr_t bktr, unsigned char *data, int last ) {
4125 /* read in the byte */
4126 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4127 DELAY( BITD ); /* float data */
4128 for ( x = 7; x >= 0; --x ) {
4129 OUTL(bktr, BKTR_I2C_DATA_CTL, 3);
4130 DELAY( BITD ); /* strobe clock */
4131 bit = INL(bktr, BKTR_I2C_DATA_CTL) & 1; /* read the data bit */
4132 if ( bit ) byte |= (1<<x);
4133 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4134 DELAY( BITD ); /* release clock */
4136 /* After reading the byte, send an ACK */
4137 /* (unless that was the last byte, for which we send a NAK */
4138 if (last) { /* send NAK - same a writing a 1 */
4139 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4140 DELAY( BITD ); /* set data bit */
4141 OUTL(bktr, BKTR_I2C_DATA_CTL, 3);
4142 DELAY( BITD ); /* strobe clock */
4143 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4144 DELAY( BITD ); /* release clock */
4145 } else { /* send ACK - same as writing a 0 */
4146 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4147 DELAY( BITD ); /* set data bit */
4148 OUTL(bktr, BKTR_I2C_DATA_CTL, 2);
4149 DELAY( BITD ); /* strobe clock */
4150 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4151 DELAY( BITD ); /* release clock */
4159 /* Write to the MSP or DPL registers */
4160 void msp_dpl_write( bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr,
4162 unsigned int msp_w_addr = i2c_addr;
4163 unsigned char addr_l, addr_h, data_h, data_l ;
4164 addr_h = (addr >>8) & 0xff;
4165 addr_l = addr & 0xff;
4166 data_h = (data >>8) & 0xff;
4167 data_l = data & 0xff;
4170 i2c_write_byte(bktr, msp_w_addr);
4171 i2c_write_byte(bktr, dev);
4172 i2c_write_byte(bktr, addr_h);
4173 i2c_write_byte(bktr, addr_l);
4174 i2c_write_byte(bktr, data_h);
4175 i2c_write_byte(bktr, data_l);
4179 /* Read from the MSP or DPL registers */
4180 unsigned int msp_dpl_read(bktr_ptr_t bktr, int i2c_addr, unsigned char dev, unsigned int addr){
4182 unsigned char addr_l, addr_h, data_1, data_2, dev_r ;
4183 addr_h = (addr >>8) & 0xff;
4184 addr_l = addr & 0xff;
4188 i2c_write_byte(bktr,i2c_addr);
4189 i2c_write_byte(bktr,dev_r);
4190 i2c_write_byte(bktr,addr_h);
4191 i2c_write_byte(bktr,addr_l);
4194 i2c_write_byte(bktr,i2c_addr+1);
4195 i2c_read_byte(bktr,&data_1, 0);
4196 i2c_read_byte(bktr,&data_2, 1);
4198 data = (data_1<<8) | data_2;
4202 /* Reset the MSP or DPL chip */
4203 /* The user can block the reset (which is handy if you initialise the
4204 * MSP audio in another operating system first (eg in Windows)
4206 void msp_dpl_reset( bktr_ptr_t bktr, int i2c_addr ) {
4208 #ifndef BKTR_NO_MSP_RESET
4209 /* put into reset mode */
4211 i2c_write_byte(bktr, i2c_addr);
4212 i2c_write_byte(bktr, 0x00);
4213 i2c_write_byte(bktr, 0x80);
4214 i2c_write_byte(bktr, 0x00);
4217 /* put back to operational mode */
4219 i2c_write_byte(bktr, i2c_addr);
4220 i2c_write_byte(bktr, 0x00);
4221 i2c_write_byte(bktr, 0x00);
4222 i2c_write_byte(bktr, 0x00);
4229 static void remote_read(bktr_ptr_t bktr, struct bktr_remote *remote) {
4231 /* XXX errors ignored */
4233 i2c_write_byte(bktr,bktr->remote_control_addr);
4234 i2c_read_byte(bktr,&(remote->data[0]), 0);
4235 i2c_read_byte(bktr,&(remote->data[1]), 0);
4236 i2c_read_byte(bktr,&(remote->data[2]), 0);
4242 #endif /* defined(BKTR_USE_FREEBSD_SMBUS) */
4245 #if defined( I2C_SOFTWARE_PROBE )
4248 * we are keeping this around for any parts that we need to probe
4249 * but that CANNOT be probed via an i2c read.
4250 * this is necessary because the hardware i2c mechanism
4251 * cannot be programmed for 1 byte writes.
4252 * currently there are no known i2c parts that we need to probe
4253 * and that cannot be safely read.
4255 static int i2cProbe( bktr_ptr_t bktr, int addr );
4260 * probe for an I2C device at addr.
4263 i2cProbe( bktr_ptr_t bktr, int addr )
4268 #if defined( EXTRA_START )
4269 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* release data */
4270 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* release clock */
4271 #endif /* EXTRA_START */
4272 OUTL(bktr, BKTR_I2C_DATA_CTL, 2); DELAY( BITD ); /* lower data */
4273 OUTL(bktr, BKTR_I2C_DATA_CTL, 0); DELAY( BITD ); /* lower clock */
4276 for ( x = 7; x >= 0; --x ) {
4277 if ( addr & (1<<x) ) {
4278 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4279 DELAY( BITD ); /* assert HI data */
4280 OUTL(bktr, BKTR_I2C_DATA_CTL, 3);
4281 DELAY( BITD ); /* strobe clock */
4282 OUTL(bktr, BKTR_I2C_DATA_CTL, 1);
4283 DELAY( BITD ); /* release clock */
4286 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4287 DELAY( BITD ); /* assert LO data */
4288 OUTL(bktr, BKTR_I2C_DATA_CTL, 2);
4289 DELAY( BITD ); /* strobe clock */
4290 OUTL(bktr, BKTR_I2C_DATA_CTL, 0);
4291 DELAY( BITD ); /* release clock */
4295 /* look for an ACK */
4296 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* float data */
4297 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* strobe clock */
4298 status = INL(bktr, BKTR_I2C_DATA_CTL) & 1; /* read the ACK bit */
4299 OUTL(bktr, BKTR_I2C_DATA_CTL, 1); DELAY( BITD ); /* release clock */
4302 OUTL(bktr, BKTR_I2C_DATA_CTL, 0); DELAY( BITD ); /* lower clock & data */
4303 OUTL(bktr, BKTR_I2C_DATA_CTL, 2); DELAY( BITD ); /* release clock */
4304 OUTL(bktr, BKTR_I2C_DATA_CTL, 3); DELAY( BITD ); /* release data */
4311 #endif /* I2C_SOFTWARE_PROBE */
4316 #endif /* FreeBSD, BSDI, NetBSD, OpenBSD */