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/*-
* Copyright (c) 2005 Ariff Abdullah <ariff@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/sound/pci/atiixp.h 180110 2008-06-30 05:14:44Z delphij $
*/
#ifndef _ATIIXP_H_
#define _ATIIXP_H_
/*
* Constants, pretty much FreeBSD specific.
*/
/* Number of playback / recording channel */
#define ATI_IXP_NPCHAN 1
#define ATI_IXP_NRCHAN 1
#define ATI_IXP_NCHANS (ATI_IXP_NPCHAN + ATI_IXP_NRCHAN)
/*
* Maximum segments/descriptors is 256, but 2 for
* each channel should be more than enough for us.
*/
#define ATI_IXP_DMA_CHSEGS 2
#define ATI_IXP_DMA_CHSEGS_MIN 2
#define ATI_IXP_DMA_CHSEGS_MAX 256
#define ATI_VENDOR_ID 0x1002 /* ATI Technologies */
#define ATI_IXP_200_ID 0x4341
#define ATI_IXP_300_ID 0x4361
#define ATI_IXP_400_ID 0x4370
#define ATI_IXP_SB600_ID 0x4382
#define ATI_IXP_BASE_RATE 48000
/*
* Register definitions for ATI IXP
*
* References: ALSA snd-atiixp.c , OpenBSD/NetBSD auixp-*.h
*/
#define ATI_IXP_CODECS 3
#define ATI_REG_ISR 0x00 /* interrupt source */
#define ATI_REG_ISR_IN_XRUN (1U<<0)
#define ATI_REG_ISR_IN_STATUS (1U<<1)
#define ATI_REG_ISR_OUT_XRUN (1U<<2)
#define ATI_REG_ISR_OUT_STATUS (1U<<3)
#define ATI_REG_ISR_SPDF_XRUN (1U<<4)
#define ATI_REG_ISR_SPDF_STATUS (1U<<5)
#define ATI_REG_ISR_PHYS_INTR (1U<<8)
#define ATI_REG_ISR_PHYS_MISMATCH (1U<<9)
#define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10)
#define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11)
#define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12)
#define ATI_REG_ISR_NEW_FRAME (1U<<13)
#define ATI_REG_IER 0x04 /* interrupt enable */
#define ATI_REG_IER_IN_XRUN_EN (1U<<0)
#define ATI_REG_IER_IO_STATUS_EN (1U<<1)
#define ATI_REG_IER_OUT_XRUN_EN (1U<<2)
#define ATI_REG_IER_OUT_XRUN_COND (1U<<3)
#define ATI_REG_IER_SPDF_XRUN_EN (1U<<4)
#define ATI_REG_IER_SPDF_STATUS_EN (1U<<5)
#define ATI_REG_IER_PHYS_INTR_EN (1U<<8)
#define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9)
#define ATI_REG_IER_CODEC0_INTR_EN (1U<<10)
#define ATI_REG_IER_CODEC1_INTR_EN (1U<<11)
#define ATI_REG_IER_CODEC2_INTR_EN (1U<<12)
#define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO) */
#define ATI_REG_IER_SET_BUS_BUSY (1U<<14) /* (WO) audio is running */
#define ATI_REG_CMD 0x08 /* command */
#define ATI_REG_CMD_POWERDOWN (1U<<0)
#define ATI_REG_CMD_RECEIVE_EN (1U<<1)
#define ATI_REG_CMD_SEND_EN (1U<<2)
#define ATI_REG_CMD_STATUS_MEM (1U<<3)
#define ATI_REG_CMD_SPDF_OUT_EN (1U<<4)
#define ATI_REG_CMD_SPDF_STATUS_MEM (1U<<5)
#define ATI_REG_CMD_SPDF_THRESHOLD (3U<<6)
#define ATI_REG_CMD_SPDF_THRESHOLD_SHIFT 6
#define ATI_REG_CMD_IN_DMA_EN (1U<<8)
#define ATI_REG_CMD_OUT_DMA_EN (1U<<9)
#define ATI_REG_CMD_SPDF_DMA_EN (1U<<10)
#define ATI_REG_CMD_SPDF_OUT_STOPPED (1U<<11)
#define ATI_REG_CMD_SPDF_CONFIG_MASK (7U<<12)
#define ATI_REG_CMD_SPDF_CONFIG_34 (1U<<12)
#define ATI_REG_CMD_SPDF_CONFIG_78 (2U<<12)
#define ATI_REG_CMD_SPDF_CONFIG_69 (3U<<12)
#define ATI_REG_CMD_SPDF_CONFIG_01 (4U<<12)
#define ATI_REG_CMD_INTERLEAVE_SPDF (1U<<16)
#define ATI_REG_CMD_AUDIO_PRESENT (1U<<20)
#define ATI_REG_CMD_INTERLEAVE_IN (1U<<21)
#define ATI_REG_CMD_INTERLEAVE_OUT (1U<<22)
#define ATI_REG_CMD_LOOPBACK_EN (1U<<23)
#define ATI_REG_CMD_PACKED_DIS (1U<<24)
#define ATI_REG_CMD_BURST_EN (1U<<25)
#define ATI_REG_CMD_PANIC_EN (1U<<26)
#define ATI_REG_CMD_MODEM_PRESENT (1U<<27)
#define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28)
#define ATI_REG_CMD_AC_SOFT_RESET (1U<<29)
#define ATI_REG_CMD_AC_SYNC (1U<<30)
#define ATI_REG_CMD_AC_RESET (1U<<31)
#define ATI_REG_PHYS_OUT_ADDR 0x0c
#define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0)
#define ATI_REG_PHYS_OUT_RW (1U<<2)
#define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8)
#define ATI_REG_PHYS_OUT_ADDR_SHIFT 9
#define ATI_REG_PHYS_OUT_DATA_SHIFT 16
#define ATI_REG_PHYS_IN_ADDR 0x10
#define ATI_REG_PHYS_IN_READ_FLAG (1U<<8)
#define ATI_REG_PHYS_IN_ADDR_SHIFT 9
#define ATI_REG_PHYS_IN_DATA_SHIFT 16
#define ATI_REG_SLOTREQ 0x14
#define ATI_REG_COUNTER 0x18
#define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */
#define ATI_REG_COUNTER_BITCLOCK (31U<<8)
#define ATI_REG_IN_FIFO_THRESHOLD 0x1c
#define ATI_REG_IN_DMA_LINKPTR 0x20
#define ATI_REG_IN_DMA_DT_START 0x24 /* RO */
#define ATI_REG_IN_DMA_DT_NEXT 0x28 /* RO */
#define ATI_REG_IN_DMA_DT_CUR 0x2c /* RO */
#define ATI_REG_IN_DMA_DT_SIZE 0x30
#define ATI_REG_OUT_DMA_SLOT 0x34
#define ATI_REG_OUT_DMA_SLOT_BIT(x) (1U << ((x) - 3))
#define ATI_REG_OUT_DMA_SLOT_MASK 0x1ff
#define ATI_REG_OUT_DMA_THRESHOLD_MASK 0xf800
#define ATI_REG_OUT_DMA_THRESHOLD_SHIFT 11
#define ATI_REG_OUT_DMA_LINKPTR 0x38
#define ATI_REG_OUT_DMA_DT_START 0x3c /* RO */
#define ATI_REG_OUT_DMA_DT_NEXT 0x40 /* RO */
#define ATI_REG_OUT_DMA_DT_CUR 0x44 /* RO */
#define ATI_REG_OUT_DMA_DT_SIZE 0x48
#define ATI_REG_SPDF_CMD 0x4c
#define ATI_REG_SPDF_CMD_LFSR (1U<<4)
#define ATI_REG_SPDF_CMD_SINGLE_CH (1U<<5)
#define ATI_REG_SPDF_CMD_LFSR_ACC (0xff<<8) /* RO */
#define ATI_REG_SPDF_DMA_LINKPTR 0x50
#define ATI_REG_SPDF_DMA_DT_START 0x54 /* RO */
#define ATI_REG_SPDF_DMA_DT_NEXT 0x58 /* RO */
#define ATI_REG_SPDF_DMA_DT_CUR 0x5c /* RO */
#define ATI_REG_SPDF_DMA_DT_SIZE 0x60
#define ATI_REG_MODEM_MIRROR 0x7c
#define ATI_REG_AUDIO_MIRROR 0x80
#define ATI_REG_6CH_REORDER 0x84 /* reorder slots for 6ch */
#define ATI_REG_6CH_REORDER_EN (1U<<0) /* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */
#define ATI_REG_FIFO_FLUSH 0x88
#define ATI_REG_FIFO_OUT_FLUSH (1U<<0)
#define ATI_REG_FIFO_IN_FLUSH (1U<<1)
/* LINKPTR */
#define ATI_REG_LINKPTR_EN (1U<<0)
/* [INT|OUT|SPDIF]_DMA_DT_SIZE */
#define ATI_REG_DMA_DT_SIZE (0xffffU<<0)
#define ATI_REG_DMA_FIFO_USED (0x1fU<<16)
#define ATI_REG_DMA_FIFO_FREE (0x1fU<<21)
#define ATI_REG_DMA_STATE (7U<<26)
#define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */
/* codec detection constant indicating the interrupt flags */
#define ALL_CODECS_NOT_READY \
(ATI_REG_ISR_CODEC0_NOT_READY | ATI_REG_ISR_CODEC1_NOT_READY |\
ATI_REG_ISR_CODEC2_NOT_READY)
#define CODEC_CHECK_BITS (ALL_CODECS_NOT_READY|ATI_REG_ISR_NEW_FRAME)
#endif