drivers/firmware/dcdbas.h

   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>
  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)
  56
  57 #define DCDBAS_DEV_ATTR_RW(_name) \
  58         DEVICE_ATTR(_name,0600,_name##_show,_name##_store);
  59
  60 #define DCDBAS_DEV_ATTR_RO(_name) \
  61         DEVICE_ATTR(_name,0400,_name##_show,NULL);
  62
  63 #define DCDBAS_DEV_ATTR_WO(_name) \
  64         DEVICE_ATTR(_name,0200,NULL,_name##_store);
  65
  66 #define DCDBAS_BIN_ATTR_RW(_name) \
  67 struct bin_attribute bin_attr_##_name = { \
  68         .attr =  { .name = __stringify(_name), \
  69                    .mode = 0600 }, \
  70         .read =  _name##_read, \
  71         .write = _name##_write, \
  72 }
  73
  74 struct smi_cmd {
  75         __u32 magic;
  76         __u32 ebx;
  77         __u32 ecx;
  78         __u16 command_address;
  79         __u8 command_code;
  80         __u8 reserved;
  81         __u8 command_buffer[1];
  82 } __attribute__ ((packed));
  83
  84 struct apm_cmd {
  85         __u8 command;
  86         __s8 status;
  87         __u16 reserved;
  88         union {
  89                 struct {
  90                         __u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
  91                 } __attribute__ ((packed)) shortreq;
  92
  93                 struct {
  94                         __u16 num_sg_entries;
  95                         struct {
  96                                 __u32 size;
  97                                 __u64 addr;
  98                         } __attribute__ ((packed))
  99                             sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
 100                 } __attribute__ ((packed)) longreq;
 101         } __attribute__ ((packed)) parameters;
 102 } __attribute__ ((packed));
 103
 104 int dcdbas_smi_request(struct smi_cmd *smi_cmd);
 105
 106 #endif /* _DCDBAS_H_ */
 107