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      1 /* $NetBSD: auixpreg.h,v 1.4 2019/10/16 21:52:22 maya Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud (at) netbsd.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. The name of the author may not be used to endorse or promote products
     13  *    derived from this software without specific prior written permission.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     20  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     21  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     22  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     23  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     25  * SUCH DAMAGE.
     26  */
     27 
     28 /*
     29  * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
     30  *
     31  * Thanks are due to Takashi Iwai for the constants.
     32  */
     33 
     34 
     35 #define ATI_IXP_CODECS 3
     36 
     37 
     38 typedef struct atiixp_dma_desc {
     39 	uint32_t	addr;		/* DMA buffer address */
     40 	uint16_t	status;		/* status bits; function unknown */
     41 	uint16_t	size;		/* size of this DMA packet in dwords */
     42 	uint32_t	next;		/* phys pointer to next packet descriptor */
     43 } __packed atiixp_dma_desc_t;
     44 
     45 
     46 #define ATI_REG_ISR			0x00		/* interrupt source */
     47 #define  ATI_REG_ISR_IN_XRUN		(1U<<0)
     48 #define  ATI_REG_ISR_IN_STATUS		(1U<<1)
     49 #define  ATI_REG_ISR_OUT_XRUN		(1U<<2)
     50 #define  ATI_REG_ISR_OUT_STATUS		(1U<<3)
     51 #define  ATI_REG_ISR_SPDF_XRUN		(1U<<4)
     52 #define  ATI_REG_ISR_SPDF_STATUS	(1U<<5)
     53 #define  ATI_REG_ISR_PHYS_INTR		(1U<<8)
     54 #define  ATI_REG_ISR_PHYS_MISMATCH	(1U<<9)
     55 #define  ATI_REG_ISR_CODEC0_NOT_READY	(1U<<10)
     56 #define  ATI_REG_ISR_CODEC1_NOT_READY	(1U<<11)
     57 #define  ATI_REG_ISR_CODEC2_NOT_READY	(1U<<12)
     58 #define  ATI_REG_ISR_NEW_FRAME		(1U<<13)
     59 
     60 #define ATI_REG_IER			0x04		/* interrupt enable */
     61 #define  ATI_REG_IER_IN_XRUN_EN		(1U<<0)
     62 #define  ATI_REG_IER_IO_STATUS_EN	(1U<<1)
     63 #define  ATI_REG_IER_OUT_XRUN_EN	(1U<<2)
     64 #define  ATI_REG_IER_OUT_XRUN_COND	(1U<<3)
     65 #define  ATI_REG_IER_SPDF_XRUN_EN	(1U<<4)
     66 #define  ATI_REG_IER_SPDF_STATUS_EN	(1U<<5)
     67 #define  ATI_REG_IER_PHYS_INTR_EN	(1U<<8)
     68 #define  ATI_REG_IER_PHYS_MISMATCH_EN	(1U<<9)
     69 #define  ATI_REG_IER_CODEC0_INTR_EN	(1U<<10)
     70 #define  ATI_REG_IER_CODEC1_INTR_EN	(1U<<11)
     71 #define  ATI_REG_IER_CODEC2_INTR_EN	(1U<<12)
     72 #define  ATI_REG_IER_NEW_FRAME_EN	(1U<<13)	/* (RO) */
     73 #define  ATI_REG_IER_SET_BUS_BUSY	(1U<<14)	/* (WO) audio is running */
     74 
     75 #define ATI_REG_CMD			0x08		/* command */
     76 #define  ATI_REG_CMD_POWERDOWN		(1U<<0)
     77 #define  ATI_REG_CMD_RECEIVE_EN		(1U<<1)
     78 #define  ATI_REG_CMD_SEND_EN		(1U<<2)
     79 #define  ATI_REG_CMD_STATUS_MEM		(1U<<3)
     80 #define  ATI_REG_CMD_SPDF_OUT_EN	(1U<<4)
     81 #define  ATI_REG_CMD_SPDF_STATUS_MEM	(1U<<5)
     82 #define  ATI_REG_CMD_SPDF_THRESHOLD	(3U<<6)
     83 #define  ATI_REG_CMD_SPDF_THRESHOLD_SHIFT	6
     84 #define  ATI_REG_CMD_IN_DMA_EN		(1U<<8)
     85 #define  ATI_REG_CMD_OUT_DMA_EN		(1U<<9)
     86 #define  ATI_REG_CMD_SPDF_DMA_EN	(1U<<10)
     87 #define  ATI_REG_CMD_SPDF_OUT_STOPPED	(1U<<11)
     88 #define  ATI_REG_CMD_SPDF_CONFIG_MASK	(7U<<12)
     89 #define   ATI_REG_CMD_SPDF_CONFIG_34	(1U<<12)
     90 #define   ATI_REG_CMD_SPDF_CONFIG_78	(2U<<12)
     91 #define   ATI_REG_CMD_SPDF_CONFIG_69	(3U<<12)
     92 #define   ATI_REG_CMD_SPDF_CONFIG_01	(4U<<12)
     93 #define  ATI_REG_CMD_INTERLEAVE_SPDF	(1U<<16)
     94 #define  ATI_REG_CMD_AUDIO_PRESENT	(1U<<20)
     95 #define  ATI_REG_CMD_INTERLEAVE_IN	(1U<<21)
     96 #define  ATI_REG_CMD_INTERLEAVE_OUT	(1U<<22)
     97 #define  ATI_REG_CMD_LOOPBACK_EN	(1U<<23)
     98 #define  ATI_REG_CMD_PACKED_DIS		(1U<<24)
     99 #define  ATI_REG_CMD_BURST_EN		(1U<<25)
    100 #define  ATI_REG_CMD_PANIC_EN		(1U<<26)
    101 #define  ATI_REG_CMD_MODEM_PRESENT	(1U<<27)
    102 #define  ATI_REG_CMD_ACLINK_ACTIVE	(1U<<28)
    103 #define  ATI_REG_CMD_AC_SOFT_RESET	(1U<<29)
    104 #define  ATI_REG_CMD_AC_SYNC		(1U<<30)
    105 #define  ATI_REG_CMD_AC_RESET		(1U<<31)
    106 
    107 #define ATI_REG_PHYS_OUT_ADDR		0x0c
    108 #define  ATI_REG_PHYS_OUT_CODEC_MASK	(3U<<0)
    109 #define  ATI_REG_PHYS_OUT_RW		(1U<<2)
    110 #define  ATI_REG_PHYS_OUT_ADDR_EN	(1U<<8)
    111 #define  ATI_REG_PHYS_OUT_ADDR_SHIFT	9
    112 #define  ATI_REG_PHYS_OUT_DATA_SHIFT	16
    113 
    114 #define ATI_REG_PHYS_IN_ADDR		0x10
    115 #define  ATI_REG_PHYS_IN_READ_FLAG	(1U<<8)
    116 #define  ATI_REG_PHYS_IN_ADDR_SHIFT	9
    117 #define  ATI_REG_PHYS_IN_DATA_SHIFT	16
    118 
    119 #define ATI_REG_SLOTREQ			0x14
    120 
    121 #define ATI_REG_COUNTER			0x18
    122 #define  ATI_REG_COUNTER_SLOT		(3U<<0)		/* slot # */
    123 #define  ATI_REG_COUNTER_BITCLOCK	(31U<<8)
    124 
    125 #define ATI_REG_IN_FIFO_THRESHOLD	0x1c
    126 
    127 #define ATI_REG_IN_DMA_LINKPTR		0x20
    128 #define ATI_REG_IN_DMA_DT_START		0x24		/* RO */
    129 #define ATI_REG_IN_DMA_DT_NEXT		0x28		/* RO */
    130 #define ATI_REG_IN_DMA_DT_CUR		0x2c		/* RO */
    131 #define ATI_REG_IN_DMA_DT_SIZE		0x30
    132 
    133 #define ATI_REG_OUT_DMA_SLOT		0x34
    134 #define  ATI_REG_OUT_DMA_SLOT_BIT(x)	(1U << ((x) - 3))
    135 #define  ATI_REG_OUT_DMA_SLOT_MASK	0x1ff
    136 #define  ATI_REG_OUT_DMA_THRESHOLD_MASK	0xf800
    137 #define  ATI_REG_OUT_DMA_THRESHOLD_SHIFT	11
    138 
    139 #define ATI_REG_OUT_DMA_LINKPTR		0x38
    140 #define ATI_REG_OUT_DMA_DT_START	0x3c		/* RO */
    141 #define ATI_REG_OUT_DMA_DT_NEXT		0x40		/* RO */
    142 #define ATI_REG_OUT_DMA_DT_CUR		0x44		/* RO */
    143 #define ATI_REG_OUT_DMA_DT_SIZE		0x48
    144 
    145 #define ATI_REG_SPDF_CMD		0x4c
    146 #define  ATI_REG_SPDF_CMD_LFSR		(1U<<4)
    147 #define  ATI_REG_SPDF_CMD_SINGLE_CH	(1U<<5)
    148 #define  ATI_REG_SPDF_CMD_LFSR_ACC	(0xff<<8)	/* RO */
    149 
    150 #define ATI_REG_SPDF_DMA_LINKPTR	0x50
    151 #define ATI_REG_SPDF_DMA_DT_START	0x54		/* RO */
    152 #define ATI_REG_SPDF_DMA_DT_NEXT	0x58		/* RO */
    153 #define ATI_REG_SPDF_DMA_DT_CUR		0x5c		/* RO */
    154 #define ATI_REG_SPDF_DMA_DT_SIZE	0x60
    155 
    156 #define ATI_REG_MODEM_MIRROR		0x7c
    157 #define ATI_REG_AUDIO_MIRROR		0x80
    158 
    159 #define ATI_REG_6CH_REORDER		0x84		/* reorder slots for 6ch */
    160 #define  ATI_REG_6CH_REORDER_EN		(1U<<0)		/* 3,4,7,8,6,9 -> 3,4,6,9,7,8 */
    161 
    162 #define ATI_REG_FIFO_FLUSH		0x88
    163 #define  ATI_REG_FIFO_OUT_FLUSH		(1U<<0)
    164 #define  ATI_REG_FIFO_IN_FLUSH		(1U<<1)
    165 
    166 /* LINKPTR */
    167 #define  ATI_REG_LINKPTR_EN		(1U<<0)
    168 
    169 /* [INT|OUT|SPDIF]_DMA_DT_SIZE */
    170 #define  ATI_REG_DMA_DT_SIZE		(0xffffU<<0)
    171 #define  ATI_REG_DMA_FIFO_USED		(0x1fU<<16)
    172 #define  ATI_REG_DMA_FIFO_FREE		(0x1fU<<21)
    173 #define  ATI_REG_DMA_STATE		(7U<<26)
    174 
    175 
    176 
    177