1 /* 2 * kirkwood.h 3 * 4 * (c) 2010 Arnaud Patard <apatard@mandriva.com> 5 * 6 * This program is free software; you can redistribute it and/or modify it 7 * under the terms of the GNU General Public License as published by the 8 * Free Software Foundation; either version 2 of the License, or (at your 9 * option) any later version. 10 */ 11 12 #ifndef _KIRKWOOD_AUDIO_H 13 #define _KIRKWOOD_AUDIO_H 14 15 #define KIRKWOOD_RECORD_WIN 0 16 #define KIRKWOOD_PLAYBACK_WIN 1 17 #define KIRKWOOD_MAX_AUDIO_WIN 2 18 19 #define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3)) 20 #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3)) 21 22 23 #define KIRKWOOD_RECCTL 0x1000 24 #define KIRKWOOD_RECCTL_SPDIF_EN (1<<11) 25 #define KIRKWOOD_RECCTL_I2S_EN (1<<10) 26 #define KIRKWOOD_RECCTL_PAUSE (1<<9) 27 #define KIRKWOOD_RECCTL_MUTE (1<<8) 28 #define KIRKWOOD_RECCTL_BURST_MASK (3<<5) 29 #define KIRKWOOD_RECCTL_BURST_128 (2<<5) 30 #define KIRKWOOD_RECCTL_BURST_32 (1<<5) 31 #define KIRKWOOD_RECCTL_MONO (1<<4) 32 #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3) 33 #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3) 34 #define KIRKWOOD_RECCTL_SIZE_MASK (7<<0) 35 #define KIRKWOOD_RECCTL_SIZE_16 (7<<0) 36 #define KIRKWOOD_RECCTL_SIZE_16_C (3<<0) 37 #define KIRKWOOD_RECCTL_SIZE_20 (2<<0) 38 #define KIRKWOOD_RECCTL_SIZE_24 (1<<0) 39 #define KIRKWOOD_RECCTL_SIZE_32 (0<<0) 40 41 #define KIRKWOOD_RECCTL_ENABLE_MASK (KIRKWOOD_RECCTL_SPDIF_EN | \ 42 KIRKWOOD_RECCTL_I2S_EN) 43 44 #define KIRKWOOD_REC_BUF_ADDR 0x1004 45 #define KIRKWOOD_REC_BUF_SIZE 0x1008 46 #define KIRKWOOD_REC_BYTE_COUNT 0x100C 47 48 #define KIRKWOOD_PLAYCTL 0x1100 49 #define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16) 50 #define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11) 51 #define KIRKWOOD_PLAYCTL_BURST_128 (2<<11) 52 #define KIRKWOOD_PLAYCTL_BURST_32 (1<<11) 53 #define KIRKWOOD_PLAYCTL_PAUSE (1<<9) 54 #define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8) 55 #define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5) 56 #define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5) 57 #define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5) 58 #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7) 59 #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4) 60 #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3) 61 #define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0) 62 #define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0) 63 #define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0) 64 #define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0) 65 #define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0) 66 #define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0) 67 68 #define KIRKWOOD_PLAYCTL_ENABLE_MASK (KIRKWOOD_PLAYCTL_SPDIF_EN | \ 69 KIRKWOOD_PLAYCTL_I2S_EN) 70 71 #define KIRKWOOD_PLAY_BUF_ADDR 0x1104 72 #define KIRKWOOD_PLAY_BUF_SIZE 0x1108 73 #define KIRKWOOD_PLAY_BYTE_COUNT 0x110C 74 75 #define KIRKWOOD_DCO_CTL 0x1204 76 #define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2) 77 #define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2) 78 #define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0) 79 #define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0) 80 #define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0) 81 #define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0) 82 83 #define KIRKWOOD_DCO_SPCR_STATUS 0x120c 84 #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16) 85 86 #define KIRKWOOD_CLOCKS_CTRL 0x1230 87 #define KIRKWOOD_MCLK_SOURCE_MASK (3<<0) 88 #define KIRKWOOD_MCLK_SOURCE_DCO (0<<0) 89 #define KIRKWOOD_MCLK_SOURCE_EXTCLK (3<<0) 90 91 #define KIRKWOOD_ERR_CAUSE 0x1300 92 #define KIRKWOOD_ERR_MASK 0x1304 93 94 #define KIRKWOOD_INT_CAUSE 0x1308 95 #define KIRKWOOD_INT_MASK 0x130C 96 #define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14) 97 #define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13) 98 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7) 99 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6) 100 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5) 101 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4) 102 #define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3) 103 #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2) 104 #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1) 105 #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0) 106 107 #define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310 108 #define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314 109 #define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff 110 111 #define KIRKWOOD_I2S_PLAYCTL 0x2508 112 #define KIRKWOOD_I2S_RECCTL 0x2408 113 #define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26) 114 #define KIRKWOOD_I2S_CTL_LJ (0<<26) 115 #define KIRKWOOD_I2S_CTL_I2S (5<<26) 116 #define KIRKWOOD_I2S_CTL_RJ (8<<26) 117 #define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30) 118 #define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30) 119 #define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30) 120 #define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30) 121 #define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30) 122 123 #define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024) 124 125 /* Theses values come from the marvell alsa driver */ 126 /* need to find where they come from */ 127 #define KIRKWOOD_SND_MIN_PERIODS 2 128 #define KIRKWOOD_SND_MAX_PERIODS 16 129 #define KIRKWOOD_SND_MIN_PERIOD_BYTES 256 130 #define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x8000 131 #define KIRKWOOD_SND_MAX_BUFFER_BYTES (KIRKWOOD_SND_MAX_PERIOD_BYTES \ 132 * KIRKWOOD_SND_MAX_PERIODS) 133 134 struct kirkwood_dma_data { 135 void __iomem *io; 136 struct clk *clk; 137 struct clk *extclk; 138 uint32_t ctl_play; 139 uint32_t ctl_rec; 140 struct snd_pcm_substream *substream_play; 141 struct snd_pcm_substream *substream_rec; 142 int irq; 143 int burst; 144 }; 145 146 extern struct snd_soc_platform_driver kirkwood_soc_platform; 147 148 #endif 149