268304f4c4
The Essence ST uses the CS2000 chip to generate the DAC master clock, so we better initialize and program it appropriately. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
#ifndef CS2000_H_INCLUDED
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#define CS2000_H_INCLUDED
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#define CS2000_DEV_ID 0x01
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#define CS2000_DEV_CTRL 0x02
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#define CS2000_DEV_CFG_1 0x03
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#define CS2000_DEV_CFG_2 0x04
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#define CS2000_GLOBAL_CFG 0x05
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#define CS2000_RATIO_0 0x06 /* 32 bits, big endian */
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#define CS2000_RATIO_1 0x0a
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#define CS2000_RATIO_2 0x0e
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#define CS2000_RATIO_3 0x12
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#define CS2000_FUN_CFG_1 0x16
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#define CS2000_FUN_CFG_2 0x17
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#define CS2000_FUN_CFG_3 0x1e
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/* DEV_ID */
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#define CS2000_DEVICE_MASK 0xf8
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#define CS2000_REVISION_MASK 0x07
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/* DEV_CTRL */
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#define CS2000_UNLOCK 0x80
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#define CS2000_AUX_OUT_DIS 0x02
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#define CS2000_CLK_OUT_DIS 0x01
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/* DEV_CFG_1 */
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#define CS2000_R_MOD_SEL_MASK 0xe0
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#define CS2000_R_MOD_SEL_1 0x00
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#define CS2000_R_MOD_SEL_2 0x20
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#define CS2000_R_MOD_SEL_4 0x40
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#define CS2000_R_MOD_SEL_8 0x60
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#define CS2000_R_MOD_SEL_1_2 0x80
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#define CS2000_R_MOD_SEL_1_4 0xa0
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#define CS2000_R_MOD_SEL_1_8 0xc0
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#define CS2000_R_MOD_SEL_1_16 0xe0
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#define CS2000_R_SEL_MASK 0x18
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#define CS2000_R_SEL_SHIFT 3
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#define CS2000_AUX_OUT_SRC_MASK 0x06
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#define CS2000_AUX_OUT_SRC_REF_CLK 0x00
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#define CS2000_AUX_OUT_SRC_CLK_IN 0x02
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#define CS2000_AUX_OUT_SRC_CLK_OUT 0x04
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#define CS2000_AUX_OUT_SRC_PLL_LOCK 0x06
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#define CS2000_EN_DEV_CFG_1 0x01
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/* DEV_CFG_2 */
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#define CS2000_LOCK_CLK_MASK 0x06
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#define CS2000_LOCK_CLK_SHIFT 1
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#define CS2000_FRAC_N_SRC_MASK 0x01
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#define CS2000_FRAC_N_SRC_STATIC 0x00
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#define CS2000_FRAC_N_SRC_DYNAMIC 0x01
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/* GLOBAL_CFG */
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#define CS2000_FREEZE 0x08
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#define CS2000_EN_DEV_CFG_2 0x01
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/* FUN_CFG_1 */
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#define CS2000_CLK_SKIP_EN 0x80
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#define CS2000_AUX_LOCK_CFG_MASK 0x40
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#define CS2000_AUX_LOCK_CFG_PP_HIGH 0x00
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#define CS2000_AUX_LOCK_CFG_OD_LOW 0x40
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#define CS2000_REF_CLK_DIV_MASK 0x18
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#define CS2000_REF_CLK_DIV_4 0x00
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#define CS2000_REF_CLK_DIV_2 0x08
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#define CS2000_REF_CLK_DIV_1 0x10
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/* FUN_CFG_2 */
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#define CS2000_CLK_OUT_UNL 0x10
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#define CS2000_L_F_RATIO_CFG_MASK 0x08
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#define CS2000_L_F_RATIO_CFG_20_12 0x00
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#define CS2000_L_F_RATIO_CFG_12_20 0x08
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/* FUN_CFG_3 */
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#define CS2000_CLK_IN_BW_MASK 0x70
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#define CS2000_CLK_IN_BW_1 0x00
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#define CS2000_CLK_IN_BW_2 0x10
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#define CS2000_CLK_IN_BW_4 0x20
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#define CS2000_CLK_IN_BW_8 0x30
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#define CS2000_CLK_IN_BW_16 0x40
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#define CS2000_CLK_IN_BW_32 0x50
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#define CS2000_CLK_IN_BW_64 0x60
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#define CS2000_CLK_IN_BW_128 0x70
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#endif
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