Unverified Commit f2bd6f5b authored by Binbin Zhou's avatar Binbin Zhou Committed by Mark Brown
Browse files

ASoC: loongson: Use BIT() macro 



Where applicable, use BIT() macro instead of shift operation to improve
readability.

Signed-off-by: default avatarBinbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/ccca555c96f18c0ecf5f1544c82945ba651d105f.1725844530.git.zhoubinbin@loongson.cn


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 241c044e

sound/soc/loongson/loongson_dma.c

+5 −5
Original line number Diff line number Diff line
@@ -17,11 +17,11 @@ 
#include "loongson_i2s.h"



/* DMA dma_order Register */

#define DMA_ORDER_STOP          (1 << 4) /* DMA stop */

#define DMA_ORDER_START         (1 << 3) /* DMA start */

#define DMA_ORDER_ASK_VALID     (1 << 2) /* DMA ask valid flag */

#define DMA_ORDER_AXI_UNCO      (1 << 1) /* Uncache access */

#define DMA_ORDER_ADDR_64       (1 << 0) /* 64bits address support */

#define DMA_ORDER_STOP          BIT(4) /* DMA stop */

#define DMA_ORDER_START         BIT(3) /* DMA start */

#define DMA_ORDER_ASK_VALID     BIT(2) /* DMA ask valid flag */

#define DMA_ORDER_AXI_UNCO      BIT(1) /* Uncache access */

#define DMA_ORDER_ADDR_64       BIT(0) /* 64bits address support */



#define DMA_ORDER_ASK_MASK      (~0x1fUL) /* Ask addr mask */

#define DMA_ORDER_CTRL_MASK     (0x0fUL)  /* Control mask  */

sound/soc/loongson/loongson_i2s.h

+12 −12
Original line number Diff line number Diff line
@@ -27,18 +27,18 @@ 
#define LS_I2S_RX_ORDER 0x110 /* RX DMA Order */



/* Loongson I2S Control Register */

#define I2S_CTRL_MCLK_READY	(1 << 16) /* MCLK ready */

#define I2S_CTRL_MASTER		(1 << 15) /* Master mode */

#define I2S_CTRL_MSB		(1 << 14) /* MSB bit order */

#define I2S_CTRL_RX_EN		(1 << 13) /* RX enable */

#define I2S_CTRL_TX_EN		(1 << 12) /* TX enable */

#define I2S_CTRL_RX_DMA_EN	(1 << 11) /* DMA RX enable */

#define I2S_CTRL_CLK_READY	(1 << 8)  /* BCLK ready */

#define I2S_CTRL_TX_DMA_EN	(1 << 7)  /* DMA TX enable */

#define I2S_CTRL_RESET		(1 << 4)  /* Controller soft reset */

#define I2S_CTRL_MCLK_EN	(1 << 3)  /* Enable MCLK */

#define I2S_CTRL_RX_INT_EN	(1 << 1)  /* RX interrupt enable */

#define I2S_CTRL_TX_INT_EN	(1 << 0)  /* TX interrupt enable */

#define I2S_CTRL_MCLK_READY	BIT(16) /* MCLK ready */

#define I2S_CTRL_MASTER		BIT(15) /* Master mode */

#define I2S_CTRL_MSB		BIT(14) /* MSB bit order */

#define I2S_CTRL_RX_EN		BIT(13) /* RX enable */

#define I2S_CTRL_TX_EN		BIT(12) /* TX enable */

#define I2S_CTRL_RX_DMA_EN	BIT(11) /* DMA RX enable */

#define I2S_CTRL_CLK_READY	BIT(8)  /* BCLK ready */

#define I2S_CTRL_TX_DMA_EN	BIT(7)  /* DMA TX enable */

#define I2S_CTRL_RESET		BIT(4)  /* Controller soft reset */

#define I2S_CTRL_MCLK_EN	BIT(3)  /* Enable MCLK */

#define I2S_CTRL_RX_INT_EN	BIT(1)  /* RX interrupt enable */

#define I2S_CTRL_TX_INT_EN	BIT(0)  /* TX interrupt enable */



#define LS_I2S_DRVNAME		"loongson-i2s"