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