xref: /freebsd/sys/dev/sound/pci/atiixp.h (revision d93a896ef95946b0bf1219866fcb324b78543444)
1 /*-
2  * Copyright (c) 2005 Ariff Abdullah <ariff@FreeBSD.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
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
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