1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * kirkwood.h 4 * 5 * (c) 2010 Arnaud Patard <apatard@mandriva.com> 6 */ 7 8 #ifndef _KIRKWOOD_AUDIO_H 9 #define _KIRKWOOD_AUDIO_H 10 11 #define DRV_NAME "mvebu-audio" 12 13 #define KIRKWOOD_RECORD_WIN 0 14 #define KIRKWOOD_PLAYBACK_WIN 1 15 #define KIRKWOOD_MAX_AUDIO_WIN 2 16 17 #define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3)) 18 #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3)) 19 20 21 #define KIRKWOOD_RECCTL 0x1000 22 #define KIRKWOOD_RECCTL_SPDIF_EN (1<<11) 23 #define KIRKWOOD_RECCTL_I2S_EN (1<<10) 24 #define KIRKWOOD_RECCTL_PAUSE (1<<9) 25 #define KIRKWOOD_RECCTL_MUTE (1<<8) 26 #define KIRKWOOD_RECCTL_BURST_MASK (3<<5) 27 #define KIRKWOOD_RECCTL_BURST_128 (2<<5) 28 #define KIRKWOOD_RECCTL_BURST_32 (1<<5) 29 #define KIRKWOOD_RECCTL_MONO (1<<4) 30 #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3) 31 #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3) 32 #define KIRKWOOD_RECCTL_SIZE_MASK (7<<0) 33 #define KIRKWOOD_RECCTL_SIZE_16 (7<<0) 34 #define KIRKWOOD_RECCTL_SIZE_16_C (3<<0) 35 #define KIRKWOOD_RECCTL_SIZE_20 (2<<0) 36 #define KIRKWOOD_RECCTL_SIZE_24 (1<<0) 37 #define KIRKWOOD_RECCTL_SIZE_32 (0<<0) 38 39 #define KIRKWOOD_RECCTL_ENABLE_MASK (KIRKWOOD_RECCTL_SPDIF_EN | \ 40 KIRKWOOD_RECCTL_I2S_EN) 41 42 #define KIRKWOOD_REC_BUF_ADDR 0x1004 43 #define KIRKWOOD_REC_BUF_SIZE 0x1008 44 #define KIRKWOOD_REC_BYTE_COUNT 0x100C 45 46 #define KIRKWOOD_PLAYCTL 0x1100 47 #define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16) 48 #define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11) 49 #define KIRKWOOD_PLAYCTL_BURST_128 (2<<11) 50 #define KIRKWOOD_PLAYCTL_BURST_32 (1<<11) 51 #define KIRKWOOD_PLAYCTL_PAUSE (1<<9) 52 #define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8) 53 #define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5) 54 #define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5) 55 #define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5) 56 #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7) 57 #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4) 58 #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3) 59 #define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0) 60 #define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0) 61 #define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0) 62 #define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0) 63 #define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0) 64 #define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0) 65 66 #define KIRKWOOD_PLAYCTL_ENABLE_MASK (KIRKWOOD_PLAYCTL_SPDIF_EN | \ 67 KIRKWOOD_PLAYCTL_I2S_EN) 68 69 #define KIRKWOOD_PLAY_BUF_ADDR 0x1104 70 #define KIRKWOOD_PLAY_BUF_SIZE 0x1108 71 #define KIRKWOOD_PLAY_BYTE_COUNT 0x110C 72 73 #define KIRKWOOD_DCO_CTL 0x1204 74 #define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2) 75 #define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2) 76 #define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0) 77 #define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0) 78 #define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0) 79 #define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0) 80 81 #define KIRKWOOD_DCO_SPCR_STATUS 0x120c 82 #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16) 83 84 #define KIRKWOOD_CLOCKS_CTRL 0x1230 85 #define KIRKWOOD_MCLK_SOURCE_MASK (3<<0) 86 #define KIRKWOOD_MCLK_SOURCE_DCO (0<<0) 87 #define KIRKWOOD_MCLK_SOURCE_EXTCLK (3<<0) 88 89 #define KIRKWOOD_ERR_CAUSE 0x1300 90 #define KIRKWOOD_ERR_MASK 0x1304 91 92 #define KIRKWOOD_INT_CAUSE 0x1308 93 #define KIRKWOOD_INT_MASK 0x130C 94 #define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14) 95 #define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13) 96 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7) 97 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6) 98 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5) 99 #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4) 100 #define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3) 101 #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2) 102 #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1) 103 #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0) 104 105 #define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310 106 #define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314 107 #define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff 108 109 #define KIRKWOOD_I2S_PLAYCTL 0x2508 110 #define KIRKWOOD_I2S_RECCTL 0x2408 111 #define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26) 112 #define KIRKWOOD_I2S_CTL_LJ (0<<26) 113 #define KIRKWOOD_I2S_CTL_I2S (5<<26) 114 #define KIRKWOOD_I2S_CTL_RJ (8<<26) 115 #define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30) 116 #define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30) 117 #define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30) 118 #define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30) 119 #define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30) 120 121 #define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024) 122 123 /* Theses values come from the marvell alsa driver */ 124 /* need to find where they come from */ 125 #define KIRKWOOD_SND_MIN_PERIODS 2 126 #define KIRKWOOD_SND_MAX_PERIODS 16 127 #define KIRKWOOD_SND_MIN_PERIOD_BYTES 256 128 #define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x8000 129 #define KIRKWOOD_SND_MAX_BUFFER_BYTES (KIRKWOOD_SND_MAX_PERIOD_BYTES \ 130 * KIRKWOOD_SND_MAX_PERIODS) 131 132 struct kirkwood_dma_data { 133 void __iomem *io; 134 struct clk *clk; 135 struct clk *extclk; 136 uint32_t ctl_play; 137 uint32_t ctl_rec; 138 struct snd_pcm_substream *substream_play; 139 struct snd_pcm_substream *substream_rec; 140 int irq; 141 int burst; 142 }; 143 144 extern const struct snd_soc_component_driver kirkwood_soc_component; 145 146 #endif 147