50fd0630f7
-142736, Sync spacc driver code. -2303c6, add suspend to ram featrue. -d3bff8, support pdm mic using AEC. -203610, support new spinand flash:HYF1GQ4UDACAE. Change-Id: Iec21bccaee43c4a71213b42b88f41a45527fd8a5
91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later
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* PDM driver on CVITEK CV1835
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*
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* Copyright 2018 CVITEK
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*
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* Author: EthanChen
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*
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*/
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#ifndef __CV1835PDM_H__
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#define __CV1835PDM_H__
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#include <linux/clk.h>
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#include <linux/miscdevice.h>
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// #define PDM_AEC
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/* register offset */
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#define PDM_EN_REG 0x30
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#define PDM_EN 0x1
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#define PDM_OFF 0x0
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#ifdef PDM_AEC
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//for 16384M audio clk
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#define PDM_48K 2
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#define PDM_44_1K 2
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#define PDM_32K 3
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#define PDM_22_05K 4
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#define PDM_16K 7
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#define PDM_11_025K 10
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#define PDM_8K 15
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#else
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//for 24576M audio clk
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#define PDM_48K 3
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#define PDM_44_1K 3
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#define PDM_22_05K 7
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#define PDM_16K 11
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#define PDM_11_025K 15
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#define PDM_8K 23
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#endif
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#define PDM_SETTING_REG 0x34
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#define PDM_CLK_DIV_MASK 0xFFFFFFE0
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#define PDM_CLK_DIV(v) (v << 0)
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#define PDM_CLK_INV (0x1 << 15)
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#define PDM_DATA_CAP_MASK 0xFFC0FFFF
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#define PDM_DATA_CAP(v) (v << 16)
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#define PDM_SEL_MASK 0xFEFFFFFF
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#define PDM_BOND_SEL_0 (0 << 24)
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#define PDM_BOND_SEL_1 (1 << 24)
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#ifdef PDM_AEC
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//for 16384M audio clk
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#define I2S_48K 4
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#define I2S_44_1K 4
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#define I2S_32K 7
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#define I2S_22_05K 10
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#define I2S_16K 15
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#define I2S_11_025K 20
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#define I2S_8K 31
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#else
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//for 24576M audio clk
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#define I2S_48K 7
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#define I2S_44_1K 7
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#define I2S_22_05K 15
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#define I2S_16K 23
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#define I2S_11_025K 31
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#define I2S_8K 47
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#endif
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#define I2S_SETTING_REG 0x38
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#define I2S_CLK_DIV_MASK 0xFFFFFF00
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#define I2S_CLK_DIV(v) (v << 0)
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#define I2S_CHN_WIDTH_MASK 0xFFFFFCFF
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#define I2S_CHN_WIDTH_8BIT 0x0
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#define I2S_CHN_WIDTH_16BIT 0x1
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#define I2S_CHN_WIDTH_24BIT 0x2
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#define I2S_CHN_WIDTH_32BIT 0x3
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#define I2S_CHN_WIDTH(v) (v << 8)
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struct cvi1835pdm {
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void __iomem *pdm_base;
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struct clk *clk;
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struct device *dev;
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struct miscdevice miscdev;
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};
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#endif /* __CV1835PDM_H__ */
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