u-boot/include/pch.h

1 /* SPDX-License-Identifier: GPL-2.0+ */
16 	/* Returns HDA config info if Azalia V1CTL enabled, -ENOENT if not */
27  * struct pch_ops - Operations for the Platform Controller Hub
29  * Consider using ioctl() to add rarely used or driver-specific operations.
33 	 * get_spi_base() - get the address of SPI base
37 	 * @return 0 if OK, -ve on error (e.g. there is no SPI base)
42 	 * set_spi_protect() - set whether SPI flash is protected or not
45 	 * @protect:	true to protect, false to unprotect
47 	 * @return 0 on success, -ENOSYS if not implemented
49 	int (*set_spi_protect)(struct udevice *dev, bool protect);
52 	 * get_gpio_base() - get the address of GPIO base
56 	 * @return 0 if OK, -ve on error (e.g. there is no GPIO base)
61 	 * get_io_base() - get the address of IO base
65 	 * @return 0 if OK, -ve on error (e.g. there is no IO base)
70 	 * ioctl() - perform misc read/write operations
72 	 * This is a catch-all operation intended to avoid adding lots of
81 	 * @return size of output data on sucesss, -ve on error
87 #define pch_get_ops(dev)        ((struct pch_ops *)(dev)->driver->ops)
90  * pch_get_spi_base() - get the address of SPI base
94  * @return 0 if OK, -ve on error (e.g. there is no SPI base)
99  * set_spi_protect() - set whether SPI flash is protected or not
102  * @protect:	true to protect, false to unprotect
104  * @return 0 on success, -ENOSYS if not implemented
106 int pch_set_spi_protect(struct udevice *dev, bool protect);
109  * pch_get_gpio_base() - get the address of GPIO base
113  * @return 0 if OK, -ve on error (e.g. there is no GPIO base)
118  * pch_get_io_base() - get the address of IO base
122  * @return 0 if OK, -ve on error (e.g. there is no IO base)
127  * pch_ioctl() - perform misc read/write operations
129  * This is a catch-all operation intended to avoid adding lots of
138  * @return size of output data on sucesss, -ve on error