18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * TXx9 SoC AC Link Controller 48c2ecf20Sopenharmony_ci */ 58c2ecf20Sopenharmony_ci 68c2ecf20Sopenharmony_ci#ifndef __TXX9ACLC_H 78c2ecf20Sopenharmony_ci#define __TXX9ACLC_H 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_ci#include <linux/interrupt.h> 108c2ecf20Sopenharmony_ci#include <asm/txx9/dmac.h> 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_ci#define ACCTLEN 0x00 /* control enable */ 138c2ecf20Sopenharmony_ci#define ACCTLDIS 0x04 /* control disable */ 148c2ecf20Sopenharmony_ci#define ACCTL_ENLINK 0x00000001 /* enable/disable AC-link */ 158c2ecf20Sopenharmony_ci#define ACCTL_AUDODMA 0x00000100 /* AUDODMA enable/disable */ 168c2ecf20Sopenharmony_ci#define ACCTL_AUDIDMA 0x00001000 /* AUDIDMA enable/disable */ 178c2ecf20Sopenharmony_ci#define ACCTL_AUDOEHLT 0x00010000 /* AUDO error halt 188c2ecf20Sopenharmony_ci enable/disable */ 198c2ecf20Sopenharmony_ci#define ACCTL_AUDIEHLT 0x00100000 /* AUDI error halt 208c2ecf20Sopenharmony_ci enable/disable */ 218c2ecf20Sopenharmony_ci#define ACREGACC 0x08 /* codec register access */ 228c2ecf20Sopenharmony_ci#define ACREGACC_DAT_SHIFT 0 /* data field */ 238c2ecf20Sopenharmony_ci#define ACREGACC_REG_SHIFT 16 /* address field */ 248c2ecf20Sopenharmony_ci#define ACREGACC_CODECID_SHIFT 24 /* CODEC ID field */ 258c2ecf20Sopenharmony_ci#define ACREGACC_READ 0x80000000 /* CODEC read */ 268c2ecf20Sopenharmony_ci#define ACREGACC_WRITE 0x00000000 /* CODEC write */ 278c2ecf20Sopenharmony_ci#define ACINTSTS 0x10 /* interrupt status */ 288c2ecf20Sopenharmony_ci#define ACINTMSTS 0x14 /* interrupt masked status */ 298c2ecf20Sopenharmony_ci#define ACINTEN 0x18 /* interrupt enable */ 308c2ecf20Sopenharmony_ci#define ACINTDIS 0x1c /* interrupt disable */ 318c2ecf20Sopenharmony_ci#define ACINT_CODECRDY(n) (0x00000001 << (n)) /* CODECn ready */ 328c2ecf20Sopenharmony_ci#define ACINT_REGACCRDY 0x00000010 /* ACREGACC ready */ 338c2ecf20Sopenharmony_ci#define ACINT_AUDOERR 0x00000100 /* AUDO underrun error */ 348c2ecf20Sopenharmony_ci#define ACINT_AUDIERR 0x00001000 /* AUDI overrun error */ 358c2ecf20Sopenharmony_ci#define ACDMASTS 0x80 /* DMA request status */ 368c2ecf20Sopenharmony_ci#define ACDMA_AUDO 0x00000001 /* AUDODMA pending */ 378c2ecf20Sopenharmony_ci#define ACDMA_AUDI 0x00000010 /* AUDIDMA pending */ 388c2ecf20Sopenharmony_ci#define ACAUDODAT 0xa0 /* audio out data */ 398c2ecf20Sopenharmony_ci#define ACAUDIDAT 0xb0 /* audio in data */ 408c2ecf20Sopenharmony_ci#define ACREVID 0xfc /* revision ID */ 418c2ecf20Sopenharmony_ci 428c2ecf20Sopenharmony_cistruct txx9aclc_dmadata { 438c2ecf20Sopenharmony_ci struct resource *dma_res; 448c2ecf20Sopenharmony_ci struct txx9dmac_slave dma_slave; 458c2ecf20Sopenharmony_ci struct dma_chan *dma_chan; 468c2ecf20Sopenharmony_ci struct work_struct work; 478c2ecf20Sopenharmony_ci spinlock_t dma_lock; 488c2ecf20Sopenharmony_ci int stream; /* SNDRV_PCM_STREAM_PLAYBACK or SNDRV_PCM_STREAM_CAPTURE */ 498c2ecf20Sopenharmony_ci struct snd_pcm_substream *substream; 508c2ecf20Sopenharmony_ci unsigned long pos; 518c2ecf20Sopenharmony_ci dma_addr_t dma_addr; 528c2ecf20Sopenharmony_ci unsigned long buffer_bytes; 538c2ecf20Sopenharmony_ci unsigned long period_bytes; 548c2ecf20Sopenharmony_ci unsigned long frag_bytes; 558c2ecf20Sopenharmony_ci int frags; 568c2ecf20Sopenharmony_ci int frag_count; 578c2ecf20Sopenharmony_ci int dmacount; 588c2ecf20Sopenharmony_ci}; 598c2ecf20Sopenharmony_ci 608c2ecf20Sopenharmony_cistruct txx9aclc_plat_drvdata { 618c2ecf20Sopenharmony_ci void __iomem *base; 628c2ecf20Sopenharmony_ci u64 physbase; 638c2ecf20Sopenharmony_ci}; 648c2ecf20Sopenharmony_ci 658c2ecf20Sopenharmony_cistatic inline struct txx9aclc_plat_drvdata *txx9aclc_get_plat_drvdata( 668c2ecf20Sopenharmony_ci struct snd_soc_dai *dai) 678c2ecf20Sopenharmony_ci{ 688c2ecf20Sopenharmony_ci return dev_get_drvdata(dai->dev); 698c2ecf20Sopenharmony_ci} 708c2ecf20Sopenharmony_ci 718c2ecf20Sopenharmony_ci#endif /* __TXX9ACLC_H */ 72