1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2005 Ariff Abdullah <ariff@FreeBSD.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ATIIXP_H_ 30 #define _ATIIXP_H_ 31 32 /* 33 * Constants, pretty much FreeBSD specific. 34 */ 35 36 /* Number of playback / recording channel */ 37 #define ATI_IXP_NPCHAN 1 38 #define ATI_IXP_NRCHAN 1 39 #define ATI_IXP_NCHANS (ATI_IXP_NPCHAN + ATI_IXP_NRCHAN) 40 41 /* 42 * Maximum segments/descriptors is 256, but 2 for 43 * each channel should be more than enough for us. 44 */ 45 #define ATI_IXP_DMA_CHSEGS 2 46 #define ATI_IXP_DMA_CHSEGS_MIN 2 47 #define ATI_IXP_DMA_CHSEGS_MAX 256 48 49 #define ATI_VENDOR_ID 0x1002 /* ATI Technologies */ 50 51 #define ATI_IXP_200_ID 0x4341 52 #define ATI_IXP_300_ID 0x4361 53 #define ATI_IXP_400_ID 0x4370 54 #define ATI_IXP_SB600_ID 0x4382 55 56 #define ATI_IXP_BASE_RATE 48000 57 58 /* 59 * Register definitions for ATI IXP 60 * 61 * References: ALSA snd-atiixp.c , OpenBSD/NetBSD auixp-*.h 62 */ 63 64 #define ATI_IXP_CODECS 3 65 66 #define ATI_REG_ISR 0x00 /* interrupt source */ 67 #define ATI_REG_ISR_IN_XRUN (1U<<0) 68 #define ATI_REG_ISR_IN_STATUS (1U<<1) 69 #define ATI_REG_ISR_OUT_XRUN (1U<<2) 70 #define ATI_REG_ISR_OUT_STATUS (1U<<3) 71 #define ATI_REG_ISR_SPDF_XRUN (1U<<4) 72 #define ATI_REG_ISR_SPDF_STATUS (1U<<5) 73 #define ATI_REG_ISR_PHYS_INTR (1U<<8) 74 #define ATI_REG_ISR_PHYS_MISMATCH (1U<<9) 75 #define ATI_REG_ISR_CODEC0_NOT_READY (1U<<10) 76 #define ATI_REG_ISR_CODEC1_NOT_READY (1U<<11) 77 #define ATI_REG_ISR_CODEC2_NOT_READY (1U<<12) 78 #define ATI_REG_ISR_NEW_FRAME (1U<<13) 79 80 #define ATI_REG_IER 0x04 /* interrupt enable */ 81 #define ATI_REG_IER_IN_XRUN_EN (1U<<0) 82 #define ATI_REG_IER_IO_STATUS_EN (1U<<1) 83 #define ATI_REG_IER_OUT_XRUN_EN (1U<<2) 84 #define ATI_REG_IER_OUT_XRUN_COND (1U<<3) 85 #define ATI_REG_IER_SPDF_XRUN_EN (1U<<4) 86 #define ATI_REG_IER_SPDF_STATUS_EN (1U<<5) 87 #define ATI_REG_IER_PHYS_INTR_EN (1U<<8) 88 #define ATI_REG_IER_PHYS_MISMATCH_EN (1U<<9) 89 #define ATI_REG_IER_CODEC0_INTR_EN (1U<<10) 90 #define ATI_REG_IER_CODEC1_INTR_EN (1U<<11) 91 #define ATI_REG_IER_CODEC2_INTR_EN (1U<<12) 92 #define ATI_REG_IER_NEW_FRAME_EN (1U<<13) /* (RO) */ 93 #define ATI_REG_IER_SET_BUS_BUSY (1U<<14) /* (WO) audio is running */ 94 95 #define ATI_REG_CMD 0x08 /* command */ 96 #define ATI_REG_CMD_POWERDOWN (1U<<0) 97 #define ATI_REG_CMD_RECEIVE_EN (1U<<1) 98 #define ATI_REG_CMD_SEND_EN (1U<<2) 99 #define ATI_REG_CMD_STATUS_MEM (1U<<3) 100 #define ATI_REG_CMD_SPDF_OUT_EN (1U<<4) 101 #define ATI_REG_CMD_SPDF_STATUS_MEM (1U<<5) 102 #define ATI_REG_CMD_SPDF_THRESHOLD (3U<<6) 103 #define ATI_REG_CMD_SPDF_THRESHOLD_SHIFT 6 104 #define ATI_REG_CMD_IN_DMA_EN (1U<<8) 105 #define ATI_REG_CMD_OUT_DMA_EN (1U<<9) 106 #define ATI_REG_CMD_SPDF_DMA_EN (1U<<10) 107 #define ATI_REG_CMD_SPDF_OUT_STOPPED (1U<<11) 108 #define ATI_REG_CMD_SPDF_CONFIG_MASK (7U<<12) 109 #define ATI_REG_CMD_SPDF_CONFIG_34 (1U<<12) 110 #define ATI_REG_CMD_SPDF_CONFIG_78 (2U<<12) 111 #define ATI_REG_CMD_SPDF_CONFIG_69 (3U<<12) 112 #define ATI_REG_CMD_SPDF_CONFIG_01 (4U<<12) 113 #define ATI_REG_CMD_INTERLEAVE_SPDF (1U<<16) 114 #define ATI_REG_CMD_AUDIO_PRESENT (1U<<20) 115 #define ATI_REG_CMD_INTERLEAVE_IN (1U<<21) 116 #define ATI_REG_CMD_INTERLEAVE_OUT (1U<<22) 117 #define ATI_REG_CMD_LOOPBACK_EN (1U<<23) 118 #define ATI_REG_CMD_PACKED_DIS (1U<<24) 119 #define ATI_REG_CMD_BURST_EN (1U<<25) 120 #define ATI_REG_CMD_PANIC_EN (1U<<26) 121 #define ATI_REG_CMD_MODEM_PRESENT (1U<<27) 122 #define ATI_REG_CMD_ACLINK_ACTIVE (1U<<28) 123 #define ATI_REG_CMD_AC_SOFT_RESET (1U<<29) 124 #define ATI_REG_CMD_AC_SYNC (1U<<30) 125 #define ATI_REG_CMD_AC_RESET (1U<<31) 126 127 #define ATI_REG_PHYS_OUT_ADDR 0x0c 128 #define ATI_REG_PHYS_OUT_CODEC_MASK (3U<<0) 129 #define ATI_REG_PHYS_OUT_RW (1U<<2) 130 #define ATI_REG_PHYS_OUT_ADDR_EN (1U<<8) 131 #define ATI_REG_PHYS_OUT_ADDR_SHIFT 9 132 #define ATI_REG_PHYS_OUT_DATA_SHIFT 16 133 134 #define ATI_REG_PHYS_IN_ADDR 0x10 135 #define ATI_REG_PHYS_IN_READ_FLAG (1U<<8) 136 #define ATI_REG_PHYS_IN_ADDR_SHIFT 9 137 #define ATI_REG_PHYS_IN_DATA_SHIFT 16 138 139 #define ATI_REG_SLOTREQ 0x14 140 141 #define ATI_REG_COUNTER 0x18 142 #define ATI_REG_COUNTER_SLOT (3U<<0) /* slot # */ 143 #define ATI_REG_COUNTER_BITCLOCK (31U<<8) 144 145 #define ATI_REG_IN_FIFO_THRESHOLD 0x1c 146 147 #define ATI_REG_IN_DMA_LINKPTR 0x20 148 #define ATI_REG_IN_DMA_DT_START 0x24 /* RO */ 149 #define ATI_REG_IN_DMA_DT_NEXT 0x28 /* RO */ 150 #define ATI_REG_IN_DMA_DT_CUR 0x2c /* RO */ 151 #define ATI_REG_IN_DMA_DT_SIZE 0x30 152 153 #define ATI_REG_OUT_DMA_SLOT 0x34 154 #define ATI_REG_OUT_DMA_SLOT_BIT(x) (1U << ((x) - 3)) 155 #define ATI_REG_OUT_DMA_SLOT_MASK 0x1ff 156 #define ATI_REG_OUT_DMA_THRESHOLD_MASK 0xf800 157 #define ATI_REG_OUT_DMA_THRESHOLD_SHIFT 11 158 159 #define ATI_REG_OUT_DMA_LINKPTR 0x38 160 #define ATI_REG_OUT_DMA_DT_START 0x3c /* RO */ 161 #define ATI_REG_OUT_DMA_DT_NEXT 0x40 /* RO */ 162 #define ATI_REG_OUT_DMA_DT_CUR 0x44 /* RO */ 163 #define ATI_REG_OUT_DMA_DT_SIZE 0x48 164 165 #define ATI_REG_SPDF_CMD 0x4c 166 #define ATI_REG_SPDF_CMD_LFSR (1U<<4) 167 #define ATI_REG_SPDF_CMD_SINGLE_CH (1U<<5) 168 #define ATI_REG_SPDF_CMD_LFSR_ACC (0xff<<8) /* RO */ 169 170 #define ATI_REG_SPDF_DMA_LINKPTR 0x50 171 #define ATI_REG_SPDF_DMA_DT_START 0x54 /* RO */ 172 #define ATI_REG_SPDF_DMA_DT_NEXT 0x58 /* RO */ 173 #define ATI_REG_SPDF_DMA_DT_CUR 0x5c /* RO */ 174 #define ATI_REG_SPDF_DMA_DT_SIZE 0x60 175 176 #define ATI_REG_MODEM_MIRROR 0x7c 177 #define ATI_REG_AUDIO_MIRROR 0x80 178 179 #define ATI_REG_6CH_REORDER 0x84 /* reorder slots for 6ch */ 180 #define ATI_REG_6CH_REORDER_EN (1U<<0) /* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */ 181 182 #define ATI_REG_FIFO_FLUSH 0x88 183 #define ATI_REG_FIFO_OUT_FLUSH (1U<<0) 184 #define ATI_REG_FIFO_IN_FLUSH (1U<<1) 185 186 /* LINKPTR */ 187 #define ATI_REG_LINKPTR_EN (1U<<0) 188 189 /* [INT|OUT|SPDIF]_DMA_DT_SIZE */ 190 #define ATI_REG_DMA_DT_SIZE (0xffffU<<0) 191 #define ATI_REG_DMA_FIFO_USED (0x1fU<<16) 192 #define ATI_REG_DMA_FIFO_FREE (0x1fU<<21) 193 #define ATI_REG_DMA_STATE (7U<<26) 194 195 #define ATI_MAX_DESCRIPTORS 256 /* max number of descriptor packets */ 196 197 /* codec detection constant indicating the interrupt flags */ 198 #define ALL_CODECS_NOT_READY \ 199 (ATI_REG_ISR_CODEC0_NOT_READY | ATI_REG_ISR_CODEC1_NOT_READY |\ 200 ATI_REG_ISR_CODEC2_NOT_READY) 201 #define CODEC_CHECK_BITS (ALL_CODECS_NOT_READY|ATI_REG_ISR_NEW_FRAME) 202 203 #endif 204