Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0+ */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * s3c24xx-i2s.c  --  ALSA Soc Audio Layer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  * Copyright 2005 Wolfson Microelectronics PLC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * Author: Graeme Gregory
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *         graeme.gregory@wolfsonmicro.com or linux@wolfsonmicro.com
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *  Revision history
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  *    10th Nov 2006   Initial version.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #ifndef S3C24XXI2S_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #define S3C24XXI2S_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) /* clock sources */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define S3C24XX_CLKSRC_PCLK 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #define S3C24XX_CLKSRC_MPLL 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) /* Clock dividers */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define S3C24XX_DIV_MCLK	0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #define S3C24XX_DIV_BCLK	1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define S3C24XX_DIV_PRESCALER	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) /* prescaler */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #define S3C24XX_PRESCALE(a,b) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	(((a - 1) << S3C2410_IISPSR_INTSHIFT) | ((b - 1) << S3C2410_IISPSR_EXTSHFIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) u32 s3c24xx_i2s_get_clockrate(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #endif /*S3C24XXI2S_H_*/