#ifndef __pch_h
#define __pch_h
+#include <linux/bitops.h>
#define PCH_RCBA 0xf0
#define BIOS_CTRL_BIOSWE BIT(0)
/* All the supported PCH ioctls */
enum pch_req_t {
+ /* Returns HDA config info if Azalia V1CTL enabled, -ENOENT if not */
+ PCH_REQ_HDA_CONFIG,
+
+ /* Fills out a struct pch_pmbase_info if available */
+ PCH_REQ_PMBASE_INFO,
+
PCH_REQ_TEST1, /* Test requests for sandbox driver */
PCH_REQ_TEST2,
PCH_REQ_TEST3,
};
/**
+ * struct pch_pmbase_info - Information filled in by PCH_REQ_PMBASE_INFO
+ *
+ * @pmbase: IO address of power-management controller
+ * @gpio0_en_ofs: Offset of GPIO0 enable register
+ * @pm1_sts_ofs: Offset of status register
+ * @pm1_cnt_ofs: Offset of control register
+ */
+struct pch_pmbase_info {
+ u16 base;
+ u8 gpio0_en_ofs;
+ u8 pm1_sts_ofs;
+ u8 pm1_cnt_ofs;
+};
+
+/**
* struct pch_ops - Operations for the Platform Controller Hub
*
* Consider using ioctl() to add rarely used or driver-specific operations.
*
* @dev: PCH device to check
* @sbasep: Returns address of SPI base if available, else 0
- * @return 0 if OK, -ve on error (e.g. there is no SPI base)
+ * Return: 0 if OK, -ve on error (e.g. there is no SPI base)
*/
int pch_get_spi_base(struct udevice *dev, ulong *sbasep);
* @dev: PCH device to adjust
* @protect: true to protect, false to unprotect
*
- * @return 0 on success, -ENOSYS if not implemented
+ * Return: 0 on success, -ENOSYS if not implemented
*/
int pch_set_spi_protect(struct udevice *dev, bool protect);
*
* @dev: PCH device to check
* @gbasep: Returns address of GPIO base if available, else 0
- * @return 0 if OK, -ve on error (e.g. there is no GPIO base)
+ * Return: 0 if OK, -ve on error (e.g. there is no GPIO base)
*/
int pch_get_gpio_base(struct udevice *dev, u32 *gbasep);
*
* @dev: PCH device to check
* @iobasep: Returns address of IO base if available, else 0
- * @return 0 if OK, -ve on error (e.g. there is no IO base)
+ * Return: 0 if OK, -ve on error (e.g. there is no IO base)
*/
int pch_get_io_base(struct udevice *dev, u32 *iobasep);
* @req: PCH request ID
* @data: Input/output data
* @size: Size of input data (and maximum size of output data)
- * @return size of output data on sucesss, -ve on error
+ * Return: size of output data on sucesss, -ve on error
*/
int pch_ioctl(struct udevice *dev, ulong req, void *data, int size);