| /* |
| * Copyright (c) 2010 Nuvoton technology corporation. |
| * |
| * Wan ZongShun <mcuos.com@gmail.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation;version 2 of the License. |
| * |
| */ |
| |
| #ifndef _NUC900_AUDIO_H |
| #define _NUC900_AUDIO_H |
| |
| #include <linux/io.h> |
| |
| /* Audio Control Registers */ |
| #define ACTL_CON 0x00 |
| #define ACTL_RESET 0x04 |
| #define ACTL_RDSTB 0x08 |
| #define ACTL_RDST_LENGTH 0x0C |
| #define ACTL_RDSTC 0x10 |
| #define ACTL_RSR 0x14 |
| #define ACTL_PDSTB 0x18 |
| #define ACTL_PDST_LENGTH 0x1C |
| #define ACTL_PDSTC 0x20 |
| #define ACTL_PSR 0x24 |
| #define ACTL_IISCON 0x28 |
| #define ACTL_ACCON 0x2C |
| #define ACTL_ACOS0 0x30 |
| #define ACTL_ACOS1 0x34 |
| #define ACTL_ACOS2 0x38 |
| #define ACTL_ACIS0 0x3C |
| #define ACTL_ACIS1 0x40 |
| #define ACTL_ACIS2 0x44 |
| #define ACTL_COUNTER 0x48 |
| |
| /* bit definition of REG_ACTL_CON register */ |
| #define R_DMA_IRQ 0x1000 |
| #define T_DMA_IRQ 0x0800 |
| #define IIS_AC_PIN_SEL 0x0100 |
| #define FIFO_TH 0x0080 |
| #define ADC_EN 0x0010 |
| #define M80_EN 0x0008 |
| #define ACLINK_EN 0x0004 |
| #define IIS_EN 0x0002 |
| |
| /* bit definition of REG_ACTL_RESET register */ |
| #define W5691_PLAY 0x20000 |
| #define ACTL_RESET_BIT 0x10000 |
| #define RECORD_RIGHT_CHNNEL 0x08000 |
| #define RECORD_LEFT_CHNNEL 0x04000 |
| #define PLAY_RIGHT_CHNNEL 0x02000 |
| #define PLAY_LEFT_CHNNEL 0x01000 |
| #define DAC_PLAY 0x00800 |
| #define ADC_RECORD 0x00400 |
| #define M80_PLAY 0x00200 |
| #define AC_RECORD 0x00100 |
| #define AC_PLAY 0x00080 |
| #define IIS_RECORD 0x00040 |
| #define IIS_PLAY 0x00020 |
| #define DAC_RESET 0x00010 |
| #define ADC_RESET 0x00008 |
| #define M80_RESET 0x00004 |
| #define AC_RESET 0x00002 |
| #define IIS_RESET 0x00001 |
| |
| /* bit definition of REG_ACTL_ACCON register */ |
| #define AC_BCLK_PU_EN 0x20 |
| #define AC_R_FINISH 0x10 |
| #define AC_W_FINISH 0x08 |
| #define AC_W_RES 0x04 |
| #define AC_C_RES 0x02 |
| |
| /* bit definition of ACTL_RSR register */ |
| #define R_FIFO_EMPTY 0x04 |
| #define R_DMA_END_IRQ 0x02 |
| #define R_DMA_MIDDLE_IRQ 0x01 |
| |
| /* bit definition of ACTL_PSR register */ |
| #define P_FIFO_EMPTY 0x04 |
| #define P_DMA_END_IRQ 0x02 |
| #define P_DMA_MIDDLE_IRQ 0x01 |
| |
| /* bit definition of ACTL_ACOS0 register */ |
| #define SLOT1_VALID 0x01 |
| #define SLOT2_VALID 0x02 |
| #define SLOT3_VALID 0x04 |
| #define SLOT4_VALID 0x08 |
| #define VALID_FRAME 0x10 |
| |
| /* bit definition of ACTL_ACOS1 register */ |
| #define R_WB 0x80 |
| |
| #define CODEC_READY 0x10 |
| #define RESET_PRSR 0x00 |
| #define AUDIO_WRITE(addr, val) __raw_writel(val, addr) |
| #define AUDIO_READ(addr) __raw_readl(addr) |
| |
| struct nuc900_audio { |
| void __iomem *mmio; |
| spinlock_t lock; |
| dma_addr_t dma_addr[2]; |
| unsigned long buffersize[2]; |
| unsigned long irq_num; |
| struct snd_pcm_substream *substream; |
| struct resource *res; |
| struct clk *clk; |
| struct device *dev; |
| |
| }; |
| |
| extern struct nuc900_audio *nuc900_ac97_data; |
| |
| #endif /*end _NUC900_AUDIO_H */ |
