| Wan ZongShun | 1082e27 | 2010-05-18 13:41:46 +0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2010 Nuvoton technology corporation. |
| 3 | * |
| 4 | * Wan ZongShun <mcuos.com@gmail.com> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation;version 2 of the License. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #ifndef _NUC900_AUDIO_H |
| 13 | #define _NUC900_AUDIO_H |
| 14 | |
| 15 | #include <linux/io.h> |
| 16 | |
| 17 | /* Audio Control Registers */ |
| 18 | #define ACTL_CON 0x00 |
| 19 | #define ACTL_RESET 0x04 |
| 20 | #define ACTL_RDSTB 0x08 |
| 21 | #define ACTL_RDST_LENGTH 0x0C |
| 22 | #define ACTL_RDSTC 0x10 |
| 23 | #define ACTL_RSR 0x14 |
| 24 | #define ACTL_PDSTB 0x18 |
| 25 | #define ACTL_PDST_LENGTH 0x1C |
| 26 | #define ACTL_PDSTC 0x20 |
| 27 | #define ACTL_PSR 0x24 |
| 28 | #define ACTL_IISCON 0x28 |
| 29 | #define ACTL_ACCON 0x2C |
| 30 | #define ACTL_ACOS0 0x30 |
| 31 | #define ACTL_ACOS1 0x34 |
| 32 | #define ACTL_ACOS2 0x38 |
| 33 | #define ACTL_ACIS0 0x3C |
| 34 | #define ACTL_ACIS1 0x40 |
| 35 | #define ACTL_ACIS2 0x44 |
| 36 | #define ACTL_COUNTER 0x48 |
| 37 | |
| 38 | /* bit definition of REG_ACTL_CON register */ |
| 39 | #define R_DMA_IRQ 0x1000 |
| 40 | #define T_DMA_IRQ 0x0800 |
| 41 | #define IIS_AC_PIN_SEL 0x0100 |
| 42 | #define FIFO_TH 0x0080 |
| 43 | #define ADC_EN 0x0010 |
| 44 | #define M80_EN 0x0008 |
| 45 | #define ACLINK_EN 0x0004 |
| 46 | #define IIS_EN 0x0002 |
| 47 | |
| 48 | /* bit definition of REG_ACTL_RESET register */ |
| 49 | #define W5691_PLAY 0x20000 |
| 50 | #define ACTL_RESET_BIT 0x10000 |
| 51 | #define RECORD_RIGHT_CHNNEL 0x08000 |
| 52 | #define RECORD_LEFT_CHNNEL 0x04000 |
| 53 | #define PLAY_RIGHT_CHNNEL 0x02000 |
| 54 | #define PLAY_LEFT_CHNNEL 0x01000 |
| 55 | #define DAC_PLAY 0x00800 |
| 56 | #define ADC_RECORD 0x00400 |
| 57 | #define M80_PLAY 0x00200 |
| 58 | #define AC_RECORD 0x00100 |
| 59 | #define AC_PLAY 0x00080 |
| 60 | #define IIS_RECORD 0x00040 |
| 61 | #define IIS_PLAY 0x00020 |
| 62 | #define DAC_RESET 0x00010 |
| 63 | #define ADC_RESET 0x00008 |
| 64 | #define M80_RESET 0x00004 |
| 65 | #define AC_RESET 0x00002 |
| 66 | #define IIS_RESET 0x00001 |
| 67 | |
| 68 | /* bit definition of REG_ACTL_ACCON register */ |
| 69 | #define AC_BCLK_PU_EN 0x20 |
| 70 | #define AC_R_FINISH 0x10 |
| 71 | #define AC_W_FINISH 0x08 |
| 72 | #define AC_W_RES 0x04 |
| 73 | #define AC_C_RES 0x02 |
| 74 | |
| 75 | /* bit definition of ACTL_RSR register */ |
| 76 | #define R_FIFO_EMPTY 0x04 |
| 77 | #define R_DMA_END_IRQ 0x02 |
| 78 | #define R_DMA_MIDDLE_IRQ 0x01 |
| 79 | |
| 80 | /* bit definition of ACTL_PSR register */ |
| 81 | #define P_FIFO_EMPTY 0x04 |
| 82 | #define P_DMA_END_IRQ 0x02 |
| 83 | #define P_DMA_MIDDLE_IRQ 0x01 |
| 84 | |
| 85 | /* bit definition of ACTL_ACOS0 register */ |
| 86 | #define SLOT1_VALID 0x01 |
| 87 | #define SLOT2_VALID 0x02 |
| 88 | #define SLOT3_VALID 0x04 |
| 89 | #define SLOT4_VALID 0x08 |
| 90 | #define VALID_FRAME 0x10 |
| 91 | |
| 92 | /* bit definition of ACTL_ACOS1 register */ |
| 93 | #define R_WB 0x80 |
| 94 | |
| 95 | #define CODEC_READY 0x10 |
| 96 | #define RESET_PRSR 0x00 |
| 97 | #define AUDIO_WRITE(addr, val) __raw_writel(val, addr) |
| 98 | #define AUDIO_READ(addr) __raw_readl(addr) |
| Wan ZongShun | 1082e27 | 2010-05-18 13:41:46 +0800 | [diff] [blame] | 99 | |
| 100 | struct nuc900_audio { |
| 101 | void __iomem *mmio; |
| 102 | spinlock_t lock; |
| 103 | dma_addr_t dma_addr[2]; |
| 104 | unsigned long buffersize[2]; |
| 105 | unsigned long irq_num; |
| 106 | struct snd_pcm_substream *substream; |
| 107 | struct resource *res; |
| 108 | struct clk *clk; |
| 109 | struct device *dev; |
| 110 | |
| 111 | }; |
| 112 | |
| Wan ZongShun | 1082e27 | 2010-05-18 13:41:46 +0800 | [diff] [blame] | 113 | #endif /*end _NUC900_AUDIO_H */ |