1 /* SPDX-License-Identifier: GPL-2.0
2 * Microchip KSZ series SPI access common header
4 * Copyright (C) 2017-2018 Microchip Technology Inc.
11 /* Chip dependent SPI access */
12 static int ksz_spi_read(struct ksz_device *dev, u32 reg, u8 *data,
14 static int ksz_spi_write(struct ksz_device *dev, u32 reg, void *data,
17 static int ksz_spi_read8(struct ksz_device *dev, u32 reg, u8 *val)
19 return ksz_spi_read(dev, reg, val, 1);
22 static int ksz_spi_read16(struct ksz_device *dev, u32 reg, u16 *val)
24 int ret = ksz_spi_read(dev, reg, (u8 *)val, 2);
27 *val = be16_to_cpu(*val);
32 static int ksz_spi_read32(struct ksz_device *dev, u32 reg, u32 *val)
34 int ret = ksz_spi_read(dev, reg, (u8 *)val, 4);
37 *val = be32_to_cpu(*val);
42 static int ksz_spi_write8(struct ksz_device *dev, u32 reg, u8 value)
44 return ksz_spi_write(dev, reg, &value, 1);
47 static int ksz_spi_write16(struct ksz_device *dev, u32 reg, u16 value)
49 value = cpu_to_be16(value);
50 return ksz_spi_write(dev, reg, &value, 2);
53 static int ksz_spi_write32(struct ksz_device *dev, u32 reg, u32 value)
55 value = cpu_to_be32(value);
56 return ksz_spi_write(dev, reg, &value, 4);
59 static int ksz_spi_get(struct ksz_device *dev, u32 reg, void *data, size_t len)
61 return ksz_spi_read(dev, reg, data, len);
64 static int ksz_spi_set(struct ksz_device *dev, u32 reg, void *data, size_t len)
66 return ksz_spi_write(dev, reg, data, len);