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-rw-r--r--sound/soc/kirkwood/kirkwood.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/sound/soc/kirkwood/kirkwood.h b/sound/soc/kirkwood/kirkwood.h
new file mode 100644
index 000000000..a1733a6aa
--- /dev/null
+++ b/sound/soc/kirkwood/kirkwood.h
@@ -0,0 +1,146 @@
+/* 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;
+ 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