xcalppm_var.h revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Platform Power Management
*/
#ifndef _SYS_XCALPPM_VAR_H
#define _SYS_XCALPPM_VAR_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/*
* External function declarations
*/
extern int ppm_init(struct modlinkage *, size_t, char *);
extern int ppm_open(dev_t *, int, int, cred_t *);
extern int ppm_close(dev_t, int, int, cred_t *);
extern int ppm_ioctl(dev_t, int, intptr_t, int, cred_t *, int *);
extern int ppm_getinfo(dev_info_t *, ddi_info_cmd_t, void *, void **);
extern void spm_change_schizo_speed(int);
/*
* ppm device flags
*/
#define XCPPMF_PCIB 0x1
#define XCPPMF_UPA 0x2
/*
* Defines used for verification of CPU running at lowest speed.
*/
#define XCPPM_VCL_TRIES 5
#define XCPPM_VCL_DELAY 10
#define XCPPM_VCL_DIVISOR 32
/*
* driver private data
*/
typedef struct {
dev_info_t *dip; /* ptr to our dev_info node */
struct xcppmreg regs; /* register accessed by ppm */
struct xcppmhndl hndls; /* handles */
kmutex_t gpio_lock; /* protects GPIO register */
kmutex_t unit_lock; /* for state, led_tid fields below */
kmutex_t creator_lock; /* held to create ppm_dev_t structs */
uint_t state; /* ppm internal state */
timeout_id_t led_tid; /* timeout id for LED */
} xcppm_unit_t;
/*
* Flags for the state word of ppm_unit
*/
#define XCPPM_ST_SUSPENDED 0x00000001 /* DDI_SUSPEND received */
#define XCPPM_GET8(handle, address) \
ddi_get8(handle, (uint8_t *)(address))
#define XCPPM_SETGET8(handle, address, data) \
ddi_put8(handle, (uint8_t *)(address), data); \
data = XCPPM_GET8(handle, address)
#define XCPPM_GET16(handle, address) \
ddi_get16(handle, (uint16_t *)(address))
#define XCPPM_SETGET16(handle, address, data) \
ddi_put16(handle, (uint16_t *)(address), data); \
data = XCPPM_GET16(handle, address)
#define XCPPM_GET32(handle, address) \
ddi_get32(handle, (uint32_t *)(address))
#define XCPPM_SETGET32(handle, address, data) \
ddi_put32(handle, (uint32_t *)(address), data); \
data = XCPPM_GET32(handle, address)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_XCALPPM_VAR_H */