| via82c686.c (193640) | via82c686.c (254263) |
|---|---|
| 1/*- 2 * Copyright (c) 2000 David Jones <dej@ox.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 23 unchanged lines hidden (view full) --- 32#include <dev/sound/pcm/ac97.h> 33 34#include <dev/pci/pcireg.h> 35#include <dev/pci/pcivar.h> 36#include <sys/sysctl.h> 37 38#include <dev/sound/pci/via82c686.h> 39 | 1/*- 2 * Copyright (c) 2000 David Jones <dej@ox.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 23 unchanged lines hidden (view full) --- 32#include <dev/sound/pcm/ac97.h> 33 34#include <dev/pci/pcireg.h> 35#include <dev/pci/pcivar.h> 36#include <sys/sysctl.h> 37 38#include <dev/sound/pci/via82c686.h> 39 |
| 40SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/via82c686.c 193640 2009-06-07 19:12:08Z ariff $"); | 40SND_DECLARE_FILE("$FreeBSD: head/sys/dev/sound/pci/via82c686.c 254263 2013-08-12 23:30:01Z scottl $"); |
| 41 42#define VIA_PCI_ID 0x30581106 43#define NSEGS 4 /* Number of segments in SGD table */ 44 45#define SEGS_PER_CHAN (NSEGS/2) 46 47#define TIMEOUT 50 48#define VIA_DEFAULT_BUFSZ 0x1000 --- 431 unchanged lines hidden (view full) --- 480 struct via_info *via = 0; 481 char status[SND_STATUSLEN]; 482 u_int32_t data, cnt; 483 484 via = malloc(sizeof(*via), M_DEVBUF, M_WAITOK | M_ZERO); 485 via->lock = snd_mtxcreate(device_get_nameunit(dev), 486 "snd_via82c686 softc"); 487 | 41 42#define VIA_PCI_ID 0x30581106 43#define NSEGS 4 /* Number of segments in SGD table */ 44 45#define SEGS_PER_CHAN (NSEGS/2) 46 47#define TIMEOUT 50 48#define VIA_DEFAULT_BUFSZ 0x1000 --- 431 unchanged lines hidden (view full) --- 480 struct via_info *via = 0; 481 char status[SND_STATUSLEN]; 482 u_int32_t data, cnt; 483 484 via = malloc(sizeof(*via), M_DEVBUF, M_WAITOK | M_ZERO); 485 via->lock = snd_mtxcreate(device_get_nameunit(dev), 486 "snd_via82c686 softc"); 487 |
| 488 /* Get resources */ 489 data = pci_read_config(dev, PCIR_COMMAND, 2); 490 data |= (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN); 491 pci_write_config(dev, PCIR_COMMAND, data, 2); 492 data = pci_read_config(dev, PCIR_COMMAND, 2); | 488 pci_enable_busmaster(dev); |
| 493 494 /* Wake up and reset AC97 if necessary */ 495 data = pci_read_config(dev, VIA_AC97STATUS, 1); 496 497 if ((data & VIA_AC97STATUS_RDY) == 0) { 498 /* Cold reset per ac97r2.3 spec (page 95) */ 499 pci_write_config(dev, VIA_ACLINKCTRL, VIA_ACLINK_EN, 1); /* Assert low */ 500 DELAY(100); /* Wait T_rst_low */ --- 160 unchanged lines hidden --- | 489 490 /* Wake up and reset AC97 if necessary */ 491 data = pci_read_config(dev, VIA_AC97STATUS, 1); 492 493 if ((data & VIA_AC97STATUS_RDY) == 0) { 494 /* Cold reset per ac97r2.3 spec (page 95) */ 495 pci_write_config(dev, VIA_ACLINKCTRL, VIA_ACLINK_EN, 1); /* Assert low */ 496 DELAY(100); /* Wait T_rst_low */ --- 160 unchanged lines hidden --- |