disable FB

hc

2024-01-04 1543e317f1da31b75942316931e8f491a8920811

 kernel/drivers/iio/dac/ad5686.h
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@@ -1,4 +1,4 @@
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-/* SPDX-License-Identifier: GPL-2.0+ */
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+/* SPDX-License-Identifier: GPL-2.0 */
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 /*
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  * This file is part of AD5686 DAC driver
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  *
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@@ -13,7 +13,10 @@
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 #include <linux/mutex.h>
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 #include <linux/kernel.h>
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+#define AD5310_CMD(x)				((x) << 12)
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+
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 #define AD5683_DATA(x)				((x) << 4)
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+
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 #define AD5686_ADDR(x)				((x) << 16)
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 #define AD5686_CMD(x)				((x) << 20)
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@@ -38,6 +41,8 @@
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 #define AD5686_CMD_CONTROL_REG			0x4
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 #define AD5686_CMD_READBACK_ENABLE_V2		0x5
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+
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+#define AD5310_REF_BIT_MSK			BIT(8)
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 #define AD5683_REF_BIT_MSK			BIT(12)
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 #define AD5693_REF_BIT_MSK			BIT(12)
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@@ -45,12 +50,15 @@
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  * ad5686_supported_device_ids:
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  */
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 enum ad5686_supported_device_ids {
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+	ID_AD5310R,
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 	ID_AD5311R,
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 	ID_AD5671R,
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 	ID_AD5672R,
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+	ID_AD5674R,
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 	ID_AD5675R,
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 	ID_AD5676,
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 	ID_AD5676R,
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+	ID_AD5679R,
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 	ID_AD5681R,
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 	ID_AD5682R,
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 	ID_AD5683,
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@@ -72,6 +80,7 @@
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 };
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 enum ad5686_regmap_type {
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+	AD5310_REGMAP,
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 	AD5683_REGMAP,
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 	AD5686_REGMAP,
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 	AD5693_REGMAP
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@@ -95,7 +104,7 @@
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 struct ad5686_chip_info {
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 	u16				int_vref_mv;
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 	unsigned int			num_channels;
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-	struct iio_chan_spec		*channels;
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+	const struct iio_chan_spec	*channels;
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 	enum ad5686_regmap_type		regmap_type;
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 };
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@@ -108,6 +117,7 @@
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  * @pwr_down_mask:	power down mask
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  * @pwr_down_mode:	current power down mode
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  * @use_internal_vref:	set to true if the internal reference voltage is used
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+ * @lock		lock to protect the data buffer during regmap ops
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  * @data:		spi transfer buffers
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  */
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@@ -121,6 +131,7 @@
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 	ad5686_write_func		write;
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 	ad5686_read_func		read;
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 	bool				use_internal_vref;
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+	struct mutex			lock;
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 	/*
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 	 * DMA (thus cache coherency maintenance) requires the