/* * linux/sound/arm/aaci.c - ARM PrimeCell AACI PL041 driver * * Copyright (C) 2003 Deep Blue Solutions, Ltd, All Rights Reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef AACI_H #define AACI_H /* * Control and status register offsets * P39. */ #define AACI_CSCH1 0x000 #define AACI_CSCH2 0x014 #define AACI_CSCH3 0x028 #define AACI_CSCH4 0x03c #define AACI_RXCR 0x000 /* 29 bits Control Rx FIFO */ #define AACI_TXCR 0x004 /* 17 bits Control Tx FIFO */ #define AACI_SR 0x008 /* 12 bits Status */ #define AACI_ISR 0x00c /* 7 bits Int Status */ #define AACI_IE 0x010 /* 7 bits Int Enable */ /* * Other registers */ #define AACI_SL1RX 0x050 #define AACI_SL1TX 0x054 #define AACI_SL2RX 0x058 #define AACI_SL2TX 0x05c #define AACI_SL12RX 0x060 #define AACI_SL12TX 0x064 #define AACI_SLFR 0x068 /* slot flags */ #define AACI_SLISTAT 0x06c /* slot interrupt status */ #define AACI_SLIEN 0x070 /* slot interrupt enable */ #define AACI_INTCLR 0x074 /* interrupt clear */ #define AACI_MAINCR 0x078 /* main control */ #define AACI_RESET 0x07c /* reset control */ #define AACI_SYNC 0x080 /* sync control */ #define AACI_ALLINTS 0x084 /* all fifo interrupt status */ #define AACI_MAINFR 0x088 /* main flag register */ #define AACI_DR1 0x090 /* data read/written fifo 1 */ #define AACI_DR2 0x0b0 /* data read/written fifo 2 */ #define AACI_DR3 0x0d0 /* data read/written fifo 3 */ #define AACI_DR4 0x0f0 /* data read/written fifo 4 */ /* * TX/RX fifo control register (CR). P48 */ #define CR_FEN (1 << 16) /* fifo enable */ #define CR_COMPACT (1 << 15) /* compact mode */ #define CR_SZ16 (0 << 13) /* 16 bits */ #define CR_SZ18 (1 << 13) /* 18 bits */ #define CR_SZ20 (2 << 13) /* 20 bits */ #define CR_SZ12 (3 << 13) /* 12 bits */ #define CR_SL12 (1 << 12) #define CR_SL11 (1 << 11) #define CR_SL10 (1 << 10) #define CR_SL9 (1 << 9) #define CR_SL8 (1 << 8) #define CR_SL7 (1 << 7) #define CR_SL6 (1 << 6) #define CR_SL5 (1 << 5) #define CR_SL4 (1 << 4) #define CR_SL3 (1 << 3) #define CR_SL2 (1 << 2) #define CR_SL1 (1 << 1) #define CR_EN (1 << 0) /* transmit enable */ /* * status register bits. P49 */ #define SR_RXTOFE (1 << 11) /* rx timeout fifo empty */ #define SR_TXTO (1 << 10) /* rx timeout fifo nonempty */ #define SR_TXU (1 << 9) /* tx underrun */ #define SR_RXO (1 << 8) /* rx overrun */ #define SR_TXB (1 << 7) /* tx busy */ #define SR_RXB (1 << 6) /* rx busy */ #define SR_TXFF (1 << 5) /* tx fifo full */ #define SR_RXFF (1 << 4) /* rx fifo full */ #define SR_TXHE (1 << 3) /* tx fifo half empty */ #define SR_RXHF (1 << 2) /* rx fifo half full */ #define SR_TXFE (1 << 1) /* tx fifo empty */ #define SR_RXFE (1 << 0) /* rx fifo empty */ /* * interrupt status register bits. */ #define ISR_RXTOFEINTR (1 << 6) /* rx fifo empty */ #define ISR_URINTR (1 << 5) /* tx underflow */ #define ISR_ORINTR (1 << 4) /* rx overflow */ #define ISR_RXINTR (1 << 3) /* rx fifo */ #define ISR_TXINTR (1 << 2) /* tx fifo intr */ #define ISR_RXTOINTR (1 << 1) /* tx timeout */ #define ISR_TXCINTR (1 << 0) /* tx complete */ /* * interrupt enable register bits. */ #define IE_RXTOIE (1 << 6) #define IE_URIE (1 << 5) #define IE_ORIE (1 << 4) #define IE_RXIE (1 << 3) #define IE_TXIE (1 << 2) #define IE_RXTIE (1 << 1) #define IE_TXCIE (1 << 0) /* * interrupt status. P51 */ #define ISR_RXTOFE (1 << 6) /* rx timeout fifo empty */ #define ISR_UR (1 << 5) /* tx fifo underrun */ #define ISR_OR (1 << 4) /* rx fifo overrun */ #define ISR_RX (1 << 3) /* rx interrupt status */ #define ISR_TX (1 << 2) /* tx interrupt status */ #define ISR_RXTO (1 << 1) /* rx timeout */ #define ISR_TXC (1 << 0) /* tx complete */ /* * interrupt enable. P52 */ #define IE_RXTOFE (1 << 6) /* rx timeout fifo empty */ #define IE_UR (1 << 5) /* tx fifo underrun */ #define IE_OR (1 << 4) /* rx fifo overrun */ #define IE_RX (1 << 3) /* rx interrupt status */ #define IE_TX (1 << 2) /* tx interrupt status */ #define IE_RXTO (1 << 1) /* rx timeout */ #define IE_TXC (1 << 0) /* tx complete */ /* * slot flag register bits. P56 */ #define SLFR_RWIS (1 << 13) /* raw wake-up interrupt status */ #define SLFR_RGPIOINTR (1 << 12) /* raw gpio interrupt */ #define SLFR_12TXE (1 << 11) /* slot 12 tx empty */ #define SLFR_12RXV (1 << 10) /* slot 12 rx valid */ #define SLFR_2TXE (1 << 9) /* slot 2 tx empty */ #define SLFR_2RXV (1 << 8) /* slot 2 rx valid */ #define SLFR_1TXE (1 << 7) /* slot 1 tx empty */ #define SLFR_1RXV (1 << 6) /* slot 1 rx valid */ #define SLFR_12TXB (1 << 5) /* slot 12 tx busy */ #define SLFR_12RXB (1 << 4) /* slot 12 rx busy */ #define SLFR_2TXB (1 << 3) /* slot 2 tx busy */ #define SLFR_2RXB (1 << 2) /* slot 2 rx busy */ #define SLFR_1TXB (1 << 1) /* slot 1 tx busy */ #define SLFR_1RXB (1 << 0) /* slot 1 rx busy */ /* * Interrupt clear register. */ #define ICLR_RXTOFEC4 (1 << 12) #define ICLR_RXTOFEC3 (1 << 11) #define ICLR_RXTOFEC2 (1 << 10) #define ICLR_RXTOFEC1 (1 << 9) #define ICLR_TXUEC4 (1 << 8) #define ICLR_TXUEC3 (1 << 7) #define ICLR_TXUEC2 (1 << 6) #define ICLR_TXUEC1 (1 << 5) #define ICLR_RXOEC4 (1 << 4) #define ICLR_RXOEC3 (1 << 3) #define ICLR_RXOEC2 (1 << 2) #define ICLR_RXOEC1 (1 << 1) #define ICLR_WISC (1 << 0) /* * Main control register bits. P62 */ #define MAINCR_SCRA(x) ((x) << 10) /* secondary codec reg access */ #define MAINCR_DMAEN (1 << 9) /* dma enable */ #define MAINCR_SL12TXEN (1 << 8) /* slot 12 transmit enable */ #define MAINCR_SL12RXEN (1 << 7) /* slot 12 receive enable */ #define MAINCR_SL2TXEN (1 << 6) /* slot 2 transmit enable */ #define MAINCR_SL2RXEN (1 << 5) /* slot 2 receive enable */ #define MAINCR_SL1TXEN (1 << 4) /* slot 1 transmit enable */ #define MAINCR_SL1RXEN (1 << 3) /* slot 1 receive enable */ #define MAINCR_LPM (1 << 2) /* low power mode */ #define MAINCR_LOOPBK (1 << 1) /* loopback */ #define MAINCR_IE (1 << 0) /* aaci interface enable */ /* * Reset register bits. P65 */ #define RESET_NRST (1 << 0) /* * Sync register bits. P65 */ #define SYNC_FORCE (1 << 0) /* * Main flag register bits. P66 */ #define MAINFR_TXB (1 << 1) /* transmit busy */ #define MAINFR_RXB (1 << 0) /* receive busy */ struct aaci_runtime { void __iomem *base; void __iomem *fifo; spinlock_t lock; struct ac97_pcm *pcm; int pcm_open; u32 cr; struct snd_pcm_substream *substream; unsigned int period; /* byte size of a "period" */ /* * PIO support */ void *start; void *end; void *ptr; int bytes; unsigned int fifo_bytes; }; struct aaci { struct amba_device *dev; struct snd_card *card; void __iomem *base; unsigned int fifo_depth; unsigned int users; struct mutex irq_lock; /* AC'97 */ struct mutex ac97_sem; struct snd_ac97_bus *ac97_bus; struct snd_ac97 *ac97; u32 maincr; struct aaci_runtime playback; struct aaci_runtime capture; struct snd_pcm *pcm; }; #define ACSTREAM_FRONT 0 #define ACSTREAM_SURROUND 1 #define ACSTREAM_LFE 2 #endifOverall Contributors
| Person | Tokens | Prop | Commits | CommitProp | |
| russell king | russell king | 724 | 95.14% | 5 | 45.45% |
| kevin hilman | kevin hilman | 23 | 3.02% | 1 | 9.09% |
| takashi iwai | takashi iwai | 6 | 0.79% | 1 | 9.09% |
| al viro | al viro | 3 | 0.39% | 1 | 9.09% |
| linus torvalds | linus torvalds | 2 | 0.26% | 1 | 9.09% |
| andrew morton | andrew morton | 2 | 0.26% | 1 | 9.09% |
| ingo molnar | ingo molnar | 1 | 0.13% | 1 | 9.09% |
| Total | 761 | 100.00% | 11 | 100.00% |