Linux Audio
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Embedded Linux Audio
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/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * kirkwood.h * * (c) 2010 Arnaud Patard <apatard@mandriva.com> */ #ifndef _KIRKWOOD_AUDIO_H #define _KIRKWOOD_AUDIO_H #define DRV_NAME "mvebu-audio" #define KIRKWOOD_RECORD_WIN 0 #define KIRKWOOD_PLAYBACK_WIN 1 #define KIRKWOOD_MAX_AUDIO_WIN 2 #define KIRKWOOD_AUDIO_WIN_BASE_REG(win) (0xA00 + ((win)<<3)) #define KIRKWOOD_AUDIO_WIN_CTRL_REG(win) (0xA04 + ((win)<<3)) #define KIRKWOOD_RECCTL 0x1000 #define KIRKWOOD_RECCTL_SPDIF_EN (1<<11) #define KIRKWOOD_RECCTL_I2S_EN (1<<10) #define KIRKWOOD_RECCTL_PAUSE (1<<9) #define KIRKWOOD_RECCTL_MUTE (1<<8) #define KIRKWOOD_RECCTL_BURST_MASK (3<<5) #define KIRKWOOD_RECCTL_BURST_128 (2<<5) #define KIRKWOOD_RECCTL_BURST_32 (1<<5) #define KIRKWOOD_RECCTL_MONO (1<<4) #define KIRKWOOD_RECCTL_MONO_CHAN_RIGHT (1<<3) #define KIRKWOOD_RECCTL_MONO_CHAN_LEFT (0<<3) #define KIRKWOOD_RECCTL_SIZE_MASK (7<<0) #define KIRKWOOD_RECCTL_SIZE_16 (7<<0) #define KIRKWOOD_RECCTL_SIZE_16_C (3<<0) #define KIRKWOOD_RECCTL_SIZE_20 (2<<0) #define KIRKWOOD_RECCTL_SIZE_24 (1<<0) #define KIRKWOOD_RECCTL_SIZE_32 (0<<0) #define KIRKWOOD_RECCTL_ENABLE_MASK (KIRKWOOD_RECCTL_SPDIF_EN | \ KIRKWOOD_RECCTL_I2S_EN) #define KIRKWOOD_REC_BUF_ADDR 0x1004 #define KIRKWOOD_REC_BUF_SIZE 0x1008 #define KIRKWOOD_REC_BYTE_COUNT 0x100C #define KIRKWOOD_PLAYCTL 0x1100 #define KIRKWOOD_PLAYCTL_PLAY_BUSY (1<<16) #define KIRKWOOD_PLAYCTL_BURST_MASK (3<<11) #define KIRKWOOD_PLAYCTL_BURST_128 (2<<11) #define KIRKWOOD_PLAYCTL_BURST_32 (1<<11) #define KIRKWOOD_PLAYCTL_PAUSE (1<<9) #define KIRKWOOD_PLAYCTL_SPDIF_MUTE (1<<8) #define KIRKWOOD_PLAYCTL_MONO_MASK (3<<5) #define KIRKWOOD_PLAYCTL_MONO_BOTH (3<<5) #define KIRKWOOD_PLAYCTL_MONO_OFF (0<<5) #define KIRKWOOD_PLAYCTL_I2S_MUTE (1<<7) #define KIRKWOOD_PLAYCTL_SPDIF_EN (1<<4) #define KIRKWOOD_PLAYCTL_I2S_EN (1<<3) #define KIRKWOOD_PLAYCTL_SIZE_MASK (7<<0) #define KIRKWOOD_PLAYCTL_SIZE_16 (7<<0) #define KIRKWOOD_PLAYCTL_SIZE_16_C (3<<0) #define KIRKWOOD_PLAYCTL_SIZE_20 (2<<0) #define KIRKWOOD_PLAYCTL_SIZE_24 (1<<0) #define KIRKWOOD_PLAYCTL_SIZE_32 (0<<0) #define KIRKWOOD_PLAYCTL_ENABLE_MASK (KIRKWOOD_PLAYCTL_SPDIF_EN | \ KIRKWOOD_PLAYCTL_I2S_EN) #define KIRKWOOD_PLAY_BUF_ADDR 0x1104 #define KIRKWOOD_PLAY_BUF_SIZE 0x1108 #define KIRKWOOD_PLAY_BYTE_COUNT 0x110C #define KIRKWOOD_DCO_CTL 0x1204 #define KIRKWOOD_DCO_CTL_OFFSET_MASK (0xFFF<<2) #define KIRKWOOD_DCO_CTL_OFFSET_0 (0x800<<2) #define KIRKWOOD_DCO_CTL_FREQ_MASK (3<<0) #define KIRKWOOD_DCO_CTL_FREQ_11 (0<<0) #define KIRKWOOD_DCO_CTL_FREQ_12 (1<<0) #define KIRKWOOD_DCO_CTL_FREQ_24 (2<<0) #define KIRKWOOD_DCO_SPCR_STATUS 0x120c #define KIRKWOOD_DCO_SPCR_STATUS_DCO_LOCK (1<<16) #define KIRKWOOD_CLOCKS_CTRL 0x1230 #define KIRKWOOD_MCLK_SOURCE_MASK (3<<0) #define KIRKWOOD_MCLK_SOURCE_DCO (0<<0) #define KIRKWOOD_MCLK_SOURCE_EXTCLK (3<<0) #define KIRKWOOD_ERR_CAUSE 0x1300 #define KIRKWOOD_ERR_MASK 0x1304 #define KIRKWOOD_INT_CAUSE 0x1308 #define KIRKWOOD_INT_MASK 0x130C #define KIRKWOOD_INT_CAUSE_PLAY_BYTES (1<<14) #define KIRKWOOD_INT_CAUSE_REC_BYTES (1<<13) #define KIRKWOOD_INT_CAUSE_DMA_PLAY_END (1<<7) #define KIRKWOOD_INT_CAUSE_DMA_PLAY_3Q (1<<6) #define KIRKWOOD_INT_CAUSE_DMA_PLAY_HALF (1<<5) #define KIRKWOOD_INT_CAUSE_DMA_PLAY_1Q (1<<4) #define KIRKWOOD_INT_CAUSE_DMA_REC_END (1<<3) #define KIRKWOOD_INT_CAUSE_DMA_REC_3Q (1<<2) #define KIRKWOOD_INT_CAUSE_DMA_REC_HALF (1<<1) #define KIRKWOOD_INT_CAUSE_DMA_REC_1Q (1<<0) #define KIRKWOOD_REC_BYTE_INT_COUNT 0x1310 #define KIRKWOOD_PLAY_BYTE_INT_COUNT 0x1314 #define KIRKWOOD_BYTE_INT_COUNT_MASK 0xffffff #define KIRKWOOD_I2S_PLAYCTL 0x2508 #define KIRKWOOD_I2S_RECCTL 0x2408 #define KIRKWOOD_I2S_CTL_JUST_MASK (0xf<<26) #define KIRKWOOD_I2S_CTL_LJ (0<<26) #define KIRKWOOD_I2S_CTL_I2S (5<<26) #define KIRKWOOD_I2S_CTL_RJ (8<<26) #define KIRKWOOD_I2S_CTL_SIZE_MASK (3<<30) #define KIRKWOOD_I2S_CTL_SIZE_16 (3<<30) #define KIRKWOOD_I2S_CTL_SIZE_20 (2<<30) #define KIRKWOOD_I2S_CTL_SIZE_24 (1<<30) #define KIRKWOOD_I2S_CTL_SIZE_32 (0<<30) #define KIRKWOOD_AUDIO_BUF_MAX (16*1024*1024) /* Theses values come from the marvell alsa driver */ /* need to find where they come from */ #define KIRKWOOD_SND_MIN_PERIODS 2 #define KIRKWOOD_SND_MAX_PERIODS 16 #define KIRKWOOD_SND_MIN_PERIOD_BYTES 256 #define KIRKWOOD_SND_MAX_PERIOD_BYTES 0x8000 #define KIRKWOOD_SND_MAX_BUFFER_BYTES (KIRKWOOD_SND_MAX_PERIOD_BYTES \ * KIRKWOOD_SND_MAX_PERIODS) struct kirkwood_dma_data { void __iomem *io; void __iomem *pll_config; void __iomem *soc_control; struct clk *clk; struct clk *extclk; uint32_t ctl_play; uint32_t ctl_rec; struct snd_pcm_substream *substream_play; struct snd_pcm_substream *substream_rec; int irq; int burst; }; extern const struct snd_soc_component_driver kirkwood_soc_component; #endif
