mirror of https://gitee.com/openkylin/linux.git
31 lines
996 B
C
31 lines
996 B
C
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#include <linux/device.h>
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#include <linux/kernel.h>
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#define KXSD9_STATE_RX_SIZE 2
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#define KXSD9_STATE_TX_SIZE 2
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struct kxsd9_transport;
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/**
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* struct kxsd9_transport - transport adapter for SPI or I2C
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* @trdev: transport device such as SPI or I2C
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* @readreg(): function to read a byte from an address in the device
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* @writereg(): function to write a byte to an address in the device
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* @readval(): function to read a 16bit value from the device
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* @rx: cache aligned read buffer
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* @tx: cache aligned write buffer
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*/
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struct kxsd9_transport {
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void *trdev;
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int (*readreg) (struct kxsd9_transport *tr, u8 address);
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int (*writereg) (struct kxsd9_transport *tr, u8 address, u8 val);
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int (*readval) (struct kxsd9_transport *tr, u8 address);
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u8 rx[KXSD9_STATE_RX_SIZE] ____cacheline_aligned;
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u8 tx[KXSD9_STATE_TX_SIZE];
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};
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int kxsd9_common_probe(struct device *parent,
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struct kxsd9_transport *transport,
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const char *name);
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int kxsd9_common_remove(struct device *parent);
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