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bktr_core.c (65374) bktr_core.c (65692)
1/* $FreeBSD: head/sys/dev/bktr/bktr_core.c 65374 2000-09-02 19:17:34Z phk $ */
1/* $FreeBSD: head/sys/dev/bktr/bktr_core.c 65692 2000-09-10 14:34:08Z roger $ */
2
3/*
4 * This is part of the Driver for Video Capture Cards (Frame grabbers)
5 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
6 * chipset.
7 * Copyright Roger Hardiman and Amancio Hasty.
8 *
9 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,

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140#include <machine/ioctl_meteor.h>
141#include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
142#include <dev/bktr/bktr_reg.h>
143#include <dev/bktr/bktr_tuner.h>
144#include <dev/bktr/bktr_card.h>
145#include <dev/bktr/bktr_audio.h>
146#include <dev/bktr/bktr_os.h>
147#include <dev/bktr/bktr_core.h>
2
3/*
4 * This is part of the Driver for Video Capture Cards (Frame grabbers)
5 * and TV Tuner cards using the Brooktree Bt848, Bt848A, Bt849A, Bt878, Bt879
6 * chipset.
7 * Copyright Roger Hardiman and Amancio Hasty.
8 *
9 * bktr_core : This deals with the Bt848/849/878/879 PCI Frame Grabber,

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140#include <machine/ioctl_meteor.h>
141#include <machine/ioctl_bt848.h> /* extensions to ioctl_meteor.h */
142#include <dev/bktr/bktr_reg.h>
143#include <dev/bktr/bktr_tuner.h>
144#include <dev/bktr/bktr_card.h>
145#include <dev/bktr/bktr_audio.h>
146#include <dev/bktr/bktr_os.h>
147#include <dev/bktr/bktr_core.h>
148#if defined(BKTR_FREEBSD_MODULE)
149#include <dev/bktr/bktr_mem.h>
150#endif
148
151
149#if (NSMBUS > 0)
152#if defined(BKTR_USE_FREEBSD_SMBUS)
150#include <dev/bktr/bktr_i2c.h>
151#include <dev/smbus/smbconf.h>
152#include <dev/iicbus/iiconf.h>
153#include "smbus_if.h"
154#include "iicbus_if.h"
155#endif
156
157const char *

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437
438
439/*
440 * ioctls common to both video & tuner.
441 */
442static int common_ioctl( bktr_ptr_t bktr, ioctl_cmd_t cmd, caddr_t arg );
443
444
153#include <dev/bktr/bktr_i2c.h>
154#include <dev/smbus/smbconf.h>
155#include <dev/iicbus/iiconf.h>
156#include "smbus_if.h"
157#include "iicbus_if.h"
158#endif
159
160const char *

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440
441
442/*
443 * ioctls common to both video & tuner.
444 */
445static int common_ioctl( bktr_ptr_t bktr, ioctl_cmd_t cmd, caddr_t arg );
446
447
445#if ((!defined(__FreeBSD__)) || (NSMBUS == 0) )
448#if !defined(BKTR_USE_FREEBSD_SMBUS)
446/*
447 * i2c primitives for low level control of i2c bus. Added for MSP34xx control
448 */
449static void i2c_start( bktr_ptr_t bktr);
450static void i2c_stop( bktr_ptr_t bktr);
451static int i2c_write_byte( bktr_ptr_t bktr, unsigned char data);
452static int i2c_read_byte( bktr_ptr_t bktr, unsigned char *data, int last );
453#endif
454
455
456
457/*
458 * the common attach code, used by all OS versions.
459 */
460void
461common_bktr_attach( bktr_ptr_t bktr, int unit, u_long pci_id, u_int rev )
462{
449/*
450 * i2c primitives for low level control of i2c bus. Added for MSP34xx control
451 */
452static void i2c_start( bktr_ptr_t bktr);
453static void i2c_stop( bktr_ptr_t bktr);
454static int i2c_write_byte( bktr_ptr_t bktr, unsigned char data);
455static int i2c_read_byte( bktr_ptr_t bktr, unsigned char *data, int last );
456#endif
457
458
459
460/*
461 * the common attach code, used by all OS versions.
462 */
463void
464common_bktr_attach( bktr_ptr_t bktr, int unit, u_long pci_id, u_int rev )
465{
463 vm_offset_t buf;
466 vm_offset_t buf = 0;
467 int need_to_allocate_memory = 1;
464
465/***************************************/
466/* *** OS Specific memory routines *** */
467/***************************************/
468#if defined(__NetBSD__) || defined(__OpenBSD__)
469 /* allocate space for dma program */
470 bktr->dma_prog = get_bktr_mem(bktr, &bktr->dm_prog,
471 DMA_PROG_ALLOC);

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481 /* allocate space for pixel buffer */
482 if ( BROOKTREE_ALLOC )
483 buf = get_bktr_mem(bktr, &bktr->dm_mem, BROOKTREE_ALLOC);
484 else
485 buf = 0;
486#endif
487
488#if defined(__FreeBSD__) || defined(__bsdi__)
468
469/***************************************/
470/* *** OS Specific memory routines *** */
471/***************************************/
472#if defined(__NetBSD__) || defined(__OpenBSD__)
473 /* allocate space for dma program */
474 bktr->dma_prog = get_bktr_mem(bktr, &bktr->dm_prog,
475 DMA_PROG_ALLOC);

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485 /* allocate space for pixel buffer */
486 if ( BROOKTREE_ALLOC )
487 buf = get_bktr_mem(bktr, &bktr->dm_mem, BROOKTREE_ALLOC);
488 else
489 buf = 0;
490#endif
491
492#if defined(__FreeBSD__) || defined(__bsdi__)
489 /* allocate space for dma program */
490 bktr->dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
491 bktr->odd_dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
492
493
493 /* allocte space for the VBI buffer */
494 bktr->vbidata = get_bktr_mem(unit, VBI_DATA_SIZE);
495 bktr->vbibuffer = get_bktr_mem(unit, VBI_BUFFER_SIZE);
494/* If this is a module, check if there is any currently saved contiguous memory */
495#if defined(BKTR_FREEBSD_MODULE)
496 if (bktr_has_stored_addresses(unit) == 1) {
497 /* recover the addresses */
498 bktr->dma_prog = bktr_retrieve_address(unit, BKTR_MEM_DMA_PROG);
499 bktr->odd_dma_prog = bktr_retrieve_address(unit, BKTR_MEM_ODD_DMA_PROG);
500 bktr->vbidata = bktr_retrieve_address(unit, BKTR_MEM_VBIDATA);
501 bktr->vbibuffer = bktr_retrieve_address(unit, BKTR_MEM_VBIBUFFER);
502 buf = bktr_retrieve_address(unit, BKTR_MEM_BUF);
503 need_to_allocate_memory = 0;
504 }
505#endif
496
506
497 /* allocate space for pixel buffer */
498 if ( BROOKTREE_ALLOC )
499 buf = get_bktr_mem(unit, BROOKTREE_ALLOC);
500 else
501 buf = 0;
507 if (need_to_allocate_memory == 1) {
508 /* allocate space for dma program */
509 bktr->dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
510 bktr->odd_dma_prog = get_bktr_mem(unit, DMA_PROG_ALLOC);
511
512 /* allocte space for the VBI buffer */
513 bktr->vbidata = get_bktr_mem(unit, VBI_DATA_SIZE);
514 bktr->vbibuffer = get_bktr_mem(unit, VBI_BUFFER_SIZE);
515
516 /* allocate space for pixel buffer */
517 if ( BROOKTREE_ALLOC )
518 buf = get_bktr_mem(unit, BROOKTREE_ALLOC);
519 else
520 buf = 0;
521 }
522#endif /* FreeBSD or BSDi */
523
524
525/* If this is a module, save the current contiguous memory */
526#if defined(BKTR_FREEBSD_MODULE)
527bktr_store_address(unit, BKTR_MEM_DMA_PROG, bktr->dma_prog);
528bktr_store_address(unit, BKTR_MEM_ODD_DMA_PROG, bktr->odd_dma_prog);
529bktr_store_address(unit, BKTR_MEM_VBIDATA, bktr->vbidata);
530bktr_store_address(unit, BKTR_MEM_VBIBUFFER, bktr->vbibuffer);
531bktr_store_address(unit, BKTR_MEM_BUF, buf);
502#endif
503
532#endif
533
534
504 if ( bootverbose ) {
505 printf("%s: buffer size %d, addr 0x%x\n",
506 bktr_name(bktr), BROOKTREE_ALLOC, vtophys(buf));
507 }
508
509 if ( buf != 0 ) {
510 bktr->bigbuf = buf;
511 bktr->alloc_pages = BROOKTREE_ALLOC_PAGES;

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3703 BT848_DATA_CTL_I2CSCL | \
3704 BT848_DATA_CTL_I2CSDA)
3705
3706#define I2C_COMMAND_878 (I2CBITTIME_878 | \
3707 BT848_DATA_CTL_I2CSCL | \
3708 BT848_DATA_CTL_I2CSDA)
3709
3710/* Select between old i2c code and new iicbus / smbus code */
535 if ( bootverbose ) {
536 printf("%s: buffer size %d, addr 0x%x\n",
537 bktr_name(bktr), BROOKTREE_ALLOC, vtophys(buf));
538 }
539
540 if ( buf != 0 ) {
541 bktr->bigbuf = buf;
542 bktr->alloc_pages = BROOKTREE_ALLOC_PAGES;

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3734 BT848_DATA_CTL_I2CSCL | \
3735 BT848_DATA_CTL_I2CSDA)
3736
3737#define I2C_COMMAND_878 (I2CBITTIME_878 | \
3738 BT848_DATA_CTL_I2CSCL | \
3739 BT848_DATA_CTL_I2CSDA)
3740
3741/* Select between old i2c code and new iicbus / smbus code */
3711#if (defined(__FreeBSD__) && (NSMBUS > 0))
3742#if defined(BKTR_USE_FREEBSD_SMBUS)
3712
3713/*
3714 * The hardware interface is actually SMB commands
3715 */
3716int
3717i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3718{
3719 char cmd;

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3849 /* XXX errors ignored */
3850 iicbus_start(IICBUS(bktr), bktr->remote_control_addr, 0 /* no timeout? */);
3851 iicbus_read(IICBUS(bktr), remote->data, 3, &read, IIC_LAST_READ, 0);
3852 iicbus_stop(IICBUS(bktr));
3853
3854 return;
3855}
3856
3743
3744/*
3745 * The hardware interface is actually SMB commands
3746 */
3747int
3748i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3749{
3750 char cmd;

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3880 /* XXX errors ignored */
3881 iicbus_start(IICBUS(bktr), bktr->remote_control_addr, 0 /* no timeout? */);
3882 iicbus_read(IICBUS(bktr), remote->data, 3, &read, IIC_LAST_READ, 0);
3883 iicbus_stop(IICBUS(bktr));
3884
3885 return;
3886}
3887
3857#else /* defined(__FreeBSD__) && (NSMBUS > 0) */
3888#else /* defined(BKTR_USE_FREEBSD_SMBUS) */
3858
3859/*
3860 * Program the i2c bus directly
3861 */
3862int
3863i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3864{
3865 u_long x;

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4105 i2c_read_byte(bktr,&(remote->data[0]), 0);
4106 i2c_read_byte(bktr,&(remote->data[1]), 0);
4107 i2c_read_byte(bktr,&(remote->data[2]), 0);
4108 i2c_stop(bktr);
4109
4110 return;
4111}
4112
3889
3890/*
3891 * Program the i2c bus directly
3892 */
3893int
3894i2cWrite( bktr_ptr_t bktr, int addr, int byte1, int byte2 )
3895{
3896 u_long x;

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4136 i2c_read_byte(bktr,&(remote->data[0]), 0);
4137 i2c_read_byte(bktr,&(remote->data[1]), 0);
4138 i2c_read_byte(bktr,&(remote->data[2]), 0);
4139 i2c_stop(bktr);
4140
4141 return;
4142}
4143
4113#endif /* defined(__FreeBSD__) && (NSMBUS > 0) */
4144#endif /* defined(BKTR_USE_FREEBSD_SMBUS) */
4114
4115
4116#if defined( I2C_SOFTWARE_PROBE )
4117
4118/*
4119 * we are keeping this around for any parts that we need to probe
4120 * but that CANNOT be probed via an i2c read.
4121 * this is necessary because the hardware i2c mechanism

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4146
4147#if defined( I2C_SOFTWARE_PROBE )
4148
4149/*
4150 * we are keeping this around for any parts that we need to probe
4151 * but that CANNOT be probed via an i2c read.
4152 * this is necessary because the hardware i2c mechanism

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