[linux.git] / drivers / platform / x86 / dcdbas.h

/*
 *  dcdbas.h: Definitions for Dell Systems Management Base driver
 *
 *  Copyright (C) 1995-2005 Dell Inc.
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License v2.0 as published by
 *  the Free Software Foundation.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 */

#ifndef _DCDBAS_H_
#define _DCDBAS_H_

#include <linux/device.h>
#include <linux/sysfs.h>
#include <linux/types.h>

#define MAX_SMI_DATA_BUF_SIZE			(256 * 1024)

#define HC_ACTION_NONE				(0)
#define HC_ACTION_HOST_CONTROL_POWEROFF		BIT(1)
#define HC_ACTION_HOST_CONTROL_POWERCYCLE	BIT(2)

#define HC_SMITYPE_NONE				(0)
#define HC_SMITYPE_TYPE1			(1)
#define HC_SMITYPE_TYPE2			(2)
#define HC_SMITYPE_TYPE3			(3)

#define ESM_APM_CMD				(0x0A0)
#define ESM_APM_POWER_CYCLE			(0x10)
#define ESM_STATUS_CMD_UNSUCCESSFUL		(-1)

#define CMOS_BASE_PORT				(0x070)
#define CMOS_PAGE1_INDEX_PORT			(0)
#define CMOS_PAGE1_DATA_PORT			(1)
#define CMOS_PAGE2_INDEX_PORT_PIIX4		(2)
#define CMOS_PAGE2_DATA_PORT_PIIX4		(3)
#define PE1400_APM_CONTROL_PORT			(0x0B0)
#define PCAT_APM_CONTROL_PORT			(0x0B2)
#define PCAT_APM_STATUS_PORT			(0x0B3)
#define PE1300_CMOS_CMD_STRUCT_PTR		(0x38)
#define PE1400_CMOS_CMD_STRUCT_PTR		(0x70)

#define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN	(14)
#define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM		(16)

#define TIMEOUT_USEC_SHORT_SEMA_BLOCKING	(10000)
#define EXPIRED_TIMER				(0)

#define SMI_CMD_MAGIC				(0x534D4931)
#define SMM_EPS_SIG				"$SCB"

#define DCDBAS_DEV_ATTR_RW(_name) \
	DEVICE_ATTR(_name,0600,_name##_show,_name##_store);

#define DCDBAS_DEV_ATTR_RO(_name) \
	DEVICE_ATTR(_name,0400,_name##_show,NULL);

#define DCDBAS_DEV_ATTR_WO(_name) \
	DEVICE_ATTR(_name,0200,NULL,_name##_store);

#define DCDBAS_BIN_ATTR_RW(_name) \
struct bin_attribute bin_attr_##_name = { \
	.attr =  { .name = __stringify(_name), \
		   .mode = 0600 }, \
	.read =  _name##_read, \
	.write = _name##_write, \
}

struct smi_cmd {
	__u32 magic;
	__u32 ebx;
	__u32 ecx;
	__u16 command_address;
	__u8 command_code;
	__u8 reserved;
	__u8 command_buffer[1];
} __attribute__ ((packed));

struct apm_cmd {
	__u8 command;
	__s8 status;
	__u16 reserved;
	union {
		struct {
			__u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
		} __attribute__ ((packed)) shortreq;

		struct {
			__u16 num_sg_entries;
			struct {
				__u32 size;
				__u64 addr;
			} __attribute__ ((packed))
			    sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
		} __attribute__ ((packed)) longreq;
	} __attribute__ ((packed)) parameters;
} __attribute__ ((packed));

int dcdbas_smi_request(struct smi_cmd *smi_cmd);

struct smm_eps_table {
	char smm_comm_buff_anchor[4];
	u8 length;
	u8 checksum;
	u8 version;
	u64 smm_comm_buff_addr;
	u64 num_of_4k_pages;
} __packed;

#endif /* _DCDBAS_H_ */
Commit	Line	Data
90563ec4 DW	1	/*
	2	* dcdbas.h: Definitions for Dell Systems Management Base driver
	3	*
	4	* Copyright (C) 1995-2005 Dell Inc.
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License v2.0 as published by
	8	* the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*/
	15
	16	#ifndef _DCDBAS_H_
	17	#define _DCDBAS_H_
	18
	19	#include <linux/device.h>
90563ec4 DW	20	#include <linux/sysfs.h>
	21	#include <linux/types.h>
	22
	23	#define MAX_SMI_DATA_BUF_SIZE (256 * 1024)
	24
	25	#define HC_ACTION_NONE (0)
	26	#define HC_ACTION_HOST_CONTROL_POWEROFF BIT(1)
	27	#define HC_ACTION_HOST_CONTROL_POWERCYCLE BIT(2)
	28
	29	#define HC_SMITYPE_NONE (0)
	30	#define HC_SMITYPE_TYPE1 (1)
	31	#define HC_SMITYPE_TYPE2 (2)
	32	#define HC_SMITYPE_TYPE3 (3)
	33
	34	#define ESM_APM_CMD (0x0A0)
	35	#define ESM_APM_POWER_CYCLE (0x10)
	36	#define ESM_STATUS_CMD_UNSUCCESSFUL (-1)
	37
	38	#define CMOS_BASE_PORT (0x070)
	39	#define CMOS_PAGE1_INDEX_PORT (0)
	40	#define CMOS_PAGE1_DATA_PORT (1)
	41	#define CMOS_PAGE2_INDEX_PORT_PIIX4 (2)
	42	#define CMOS_PAGE2_DATA_PORT_PIIX4 (3)
	43	#define PE1400_APM_CONTROL_PORT (0x0B0)
	44	#define PCAT_APM_CONTROL_PORT (0x0B2)
	45	#define PCAT_APM_STATUS_PORT (0x0B3)
	46	#define PE1300_CMOS_CMD_STRUCT_PTR (0x38)
	47	#define PE1400_CMOS_CMD_STRUCT_PTR (0x70)
	48
	49	#define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN (14)
	50	#define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM (16)
	51
	52	#define TIMEOUT_USEC_SHORT_SEMA_BLOCKING (10000)
	53	#define EXPIRED_TIMER (0)
	54
	55	#define SMI_CMD_MAGIC (0x534D4931)
12c956c4	56	#define SMM_EPS_SIG "$SCB"
90563ec4 DW	57
	58	#define DCDBAS_DEV_ATTR_RW(_name) \
	59	DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
	60
	61	#define DCDBAS_DEV_ATTR_RO(_name) \
	62	DEVICE_ATTR(_name,0400,_name##_show,NULL);
	63
	64	#define DCDBAS_DEV_ATTR_WO(_name) \
	65	DEVICE_ATTR(_name,0200,NULL,_name##_store);
	66
	67	#define DCDBAS_BIN_ATTR_RW(_name) \
	68	struct bin_attribute bin_attr_##_name = { \
	69	.attr = { .name = __stringify(_name), \
7b595756	70	.mode = 0600 }, \
90563ec4 DW	71	.read = _name##_read, \
	72	.write = _name##_write, \
	73	}
	74
	75	struct smi_cmd {
	76	__u32 magic;
	77	__u32 ebx;
	78	__u32 ecx;
	79	__u16 command_address;
	80	__u8 command_code;
	81	__u8 reserved;
	82	__u8 command_buffer[1];
	83	} __attribute__ ((packed));
	84
	85	struct apm_cmd {
	86	__u8 command;
	87	__s8 status;
	88	__u16 reserved;
	89	union {
	90	struct {
	91	__u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
	92	} __attribute__ ((packed)) shortreq;
	93
	94	struct {
	95	__u16 num_sg_entries;
	96	struct {
	97	__u32 size;
	98	__u64 addr;
	99	} __attribute__ ((packed))
	100	sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
	101	} __attribute__ ((packed)) longreq;
	102	} __attribute__ ((packed)) parameters;
	103	} __attribute__ ((packed));
	104
3cab7fd9 MG	105	int dcdbas_smi_request(struct smi_cmd *smi_cmd);
3cab7fd9 MG	106
12c956c4 SH	107	struct smm_eps_table {
	108	char smm_comm_buff_anchor[4];
	109	u8 length;
	110	u8 checksum;
	111	u8 version;
	112	u64 smm_comm_buff_addr;
	113	u64 num_of_4k_pages;
	114	} __packed;
	115
90563ec4 DW	116	#endif /* _DCDBAS_H_ */
90563ec4 DW	117