1 /*	$NetBSD: auacerreg.h,v 1.4 2008/04/28 20:23:54 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 2004 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Lennart Augustsson.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef _DEV_PCI_AUACERREG_H_
33 #define	_DEV_PCI_AUACERREG_H_
34 
35 #define	ALI_SCR		0x00	/* System Control Register */
36 #define   ALI_SCR_RESET		(1<<31)	/* master reset */
37 #define   ALI_SCR_AC97_DBL	(1<<30)
38 #define   ALI_SCR_CODEC_SPDF	(3<<20)	/* 1=7/8, 2=6/9, 3=10/11 */
39 #define   ALI_SCR_IN_BITS	(3<<18)
40 #define   ALI_SCR_OUT_BITS	(3<<16)
41 #define   ALI_SCR_6CH_CFG	(3<<14)
42 #define   ALI_SCR_PCM_4		(1<<8)
43 #define   ALI_SCR_PCM_6		(2<<8)
44 #define   ALI_SCR_PCM_246_MASK	(ALI_SCR_PCM_4 | ALI_SCR_PCM_6)
45 #define	ALI_SSR		0x04	/* System Status Register  */
46 #define   ALI_SSR_SEC_ID	(3<<5)
47 #define   ALI_SSR_PRI_ID	(3<<3)
48 #define	ALI_DMACR	0x08	/* DMA Control Register */
49 #define   ALI_DMACR_PAUSE 16	/* offset for pause bits */
50 #define	ALI_FIFOCR1	0x0c	/* FIFO Control Register 1 */
51 #define	ALI_INTERFACECR	0x10	/* Interface Control Register */
52 #define	ALI_INTERRUPTCR	0x14	/* Interrupt Control Register */
53 #define	ALI_INTERRUPTSR	0x18	/* Interrupt Status Register */
54 #define   ALI_INT_MICIN2		(1<<26)
55 #define   ALI_INT_PCMIN2		(1<<25)
56 #define   ALI_INT_I2SIN			(1<<24)
57 #define   ALI_INT_SPDIFOUT		(1<<23)
58 #define   ALI_INT_SPDIFIN		(1<<22)
59 #define   ALI_INT_LFEOUT		(1<<21)
60 #define   ALI_INT_CENTEROUT		(1<<20)
61 #define   ALI_INT_CODECSPDIFOUT		(1<<19)
62 #define   ALI_INT_MICIN			(1<<18)
63 #define   ALI_INT_PCMOUT		(1<<17)
64 #define   ALI_INT_PCMIN			(1<<16)
65 #define   ALI_INT_CPRAIS		(1<<7)
66 #define   ALI_INT_SPRAIS		(1<<5)
67 #define   ALI_INT_GPIO			(1<<1)
68 #define	ALI_FIFOCR2	0x1c	/* FIFO Control Register 2 */
69 #define	ALI_CPR		0x20	/* Command Port Register */
70 #define   ALI_CPR_ADDR_SECONDARY	0x100
71 #define   ALI_CPR_ADDR_READ		0x80
72 #define	ALI_CPR_ADDR	0x22	/* AC97 write addr */
73 #define	ALI_SPR		0x24	/* Status Port Register */
74 #define	ALI_SPR_ADDR	0x26	/* AC97 read addr */
75 #define	ALI_FIFOCR3	0x2c	/* FIFO Control Register 3 */
76 #define	ALI_TTSR	0x30	/* Transmit Tag Slot Register */
77 #define	ALI_RTSR	0x34	/* Receive Tag Slot  Register */
78 #define	ALI_CSPSR	0x38	/* Command/Status Port Status Register */
79 #define   ALI_CSPSR_CODEC_READY	0x08
80 #define   ALI_CSPSR_READ_OK	0x02
81 #define   ALI_CSPSR_WRITE_OK	0x01
82 #define	ALI_CAS		0x3c	/* Codec Write Semaphore Register */
83 #define   ALI_CAS_SEM_BUSY	0x80000000
84 #define ALI_HWVOL	0xf0	/* hardware volume control/status */
85 #define ALI_I2SCR	0xf4	/* I2S control/status */
86 #define	ALI_SPDIFCSR	0xf8	/* SPDIF Channel Status Register  */
87 #define	ALI_SPDIFICS	0xfc	/* SPDIF Interface Control/Status  */
88 
89 
90 #define ALI_OFF_BDBAR	0x00	/* Buffer Descriptor list Base Address */
91 #define ALI_OFF_CIV	0x04	/* Current Index Value */
92 #define ALI_OFF_LVI	0x05	/* Last Valid Index */
93 #define   ALI_LVI_MASK	0x1f
94 #define ALI_OFF_SR	0x06	/* Status Register */
95 #define   ALI_SR_DMA_INT_FIFO	  (1<<4) /* fifo under/over flow */
96 #define   ALI_SR_DMA_INT_COMPLETE (1<<3) /* buffer read/write complete and ioc set */
97 #define   ALI_SR_DMA_INT_LVI	  (1<<2) /* last valid done */
98 #define   ALI_SR_DMA_INT_CELV	  (1<<1) /* last valid is current */
99 #define   ALI_SR_DMA_INT_DCH	  (1<<0) /* DMA Controller Halted (happens on LVI interrupts) */
100 #define   ALI_SR_W1TC (ALI_SR_DMA_INT_LVI | ALI_SR_DMA_INT_COMPLETE | ALI_SR_DMA_INT_FIFO | ALI_SR_DMA_INT_CELV)
101 #define ALI_OFF_PICB	0x08	/* Position In Current Buffer */
102 #define	ALI_PIV		0x0a	/* 5 bits prefetched index value */
103 #define ALI_OFF_CR	0x0b	/* Control Register */
104 #define   ALI_CR_IOCE	0x10	/* Int On Completion Enable */
105 #define	  ALI_CR_FEIE	0x08	/* Fifo Error Int Enable */
106 #define	  ALI_CR_LVBIE	0x04	/* Last Valid Buf Int Enable */
107 #define	  ALI_CR_RR	0x02	/* 1 - Reset Regs */
108 #define	  ALI_CR_RPBM	0x01	/* 1 - Run, 0 - Pause */
109 
110 #define ALI_BASE_PI		0x40	/* PCM In */
111 #define ALI_BASE_PO		0x50	/* PCM Out */
112 #define ALI_BASE_MC		0x60	/* Mic In */
113 #define ALI_BASE_CODEC_SPDIFO	0x70	/* Codec SPDIF Out  */
114 #define ALI_BASE_CENTER		0x80	/* Center out */
115 #define ALI_BASE_LFE		0x90	/* ? */
116 #define ALI_BASE_CTL_SPDIFI	0xa0	/* Controller SPDIF In */
117 #define ALI_BASE_CTL_SPDIFO	0xb0	/* Controller SPDIF Out */
118 
119 #define ALI_PORT2SLOT(port) (((port) - 0x40) / 0x10)
120 #define ALI_PORT2INTR(port) (ALI_PORT2SLOT(port) + 16)
121 
122 #define ALI_IF_AC97SP		(1<<21)
123 #define ALI_IF_MC		(1<<20)
124 #define ALI_IF_PI		(1<<19)
125 #define ALI_IF_MC2		(1<<18)
126 #define ALI_IF_PI2		(1<<17)
127 #define ALI_IF_LINE_SRC		(1<<15)	/* 0/1 = slot 3/6 */
128 #define ALI_IF_MIC_SRC		(1<<14)	/* 0/1 = slot 3/6 */
129 #define ALI_IF_SPDF_SRC		(3<<12)	/* 00 = PCM, 01 = AC97-in, 10 = spdif-in, 11 = i2s */
130 #define ALI_IF_AC97_OUT	(3<<8)	/* 00 = PCM, 10 = spdif-in, 11 = i2s */
131 #define ALI_IF_PO_SPDF	(1<<3)
132 #define ALI_IF_PO		(1<<1)
133 
134 #define ALI_INT_MASK		(ALI_INT_SPDIFOUT|ALI_INT_CODECSPDIFOUT|ALI_INT_MICIN|ALI_INT_PCMOUT|ALI_INT_PCMIN)
135 
136 #define ALI_SAMPLE_SIZE 2
137 
138 
139 /*
140  * according to the dev/audiovar.h AU_RING_SIZE is 2^16, what fits
141  * in our limits perfectly, i.e. setting it to higher value
142  * in your kernel config would improve perfomance, still 2^21 is the max
143  */
144 #define	ALI_DMALIST_MAX	32
145 #define	ALI_DMASEG_MAX	(65536*2)	/* 64k samples, 2x16 bit samples */
146 struct auacer_dmalist {
147 	uint32_t	base;
148 	uint32_t	len;
149 #define	ALI_DMAF_IOC	0x80000000	/* 1-int on complete */
150 #define	ALI_DMAF_BUP	0x40000000	/* 0-retrans last, 1-transmit 0 */
151 };
152 
153 #endif /* _DEV_PCI_AUACERREG_H_ */
154