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/input.h>
  21 #include <linux/sysfs.h>
  22 #include <linux/types.h>
  23
  24 #define MAX_SMI_DATA_BUF_SIZE                   (256 * 1024)
  25
  26 #define HC_ACTION_NONE                          (0)
  27 #define HC_ACTION_HOST_CONTROL_POWEROFF         BIT(1)
  28 #define HC_ACTION_HOST_CONTROL_POWERCYCLE       BIT(2)
  29
  30 #define HC_SMITYPE_NONE                         (0)
  31 #define HC_SMITYPE_TYPE1                        (1)
  32 #define HC_SMITYPE_TYPE2                        (2)
  33 #define HC_SMITYPE_TYPE3                        (3)
  34
  35 #define ESM_APM_CMD                             (0x0A0)
  36 #define ESM_APM_POWER_CYCLE                     (0x10)
  37 #define ESM_STATUS_CMD_UNSUCCESSFUL             (-1)
  38
  39 #define CMOS_BASE_PORT                          (0x070)
  40 #define CMOS_PAGE1_INDEX_PORT                   (0)
  41 #define CMOS_PAGE1_DATA_PORT                    (1)
  42 #define CMOS_PAGE2_INDEX_PORT_PIIX4             (2)
  43 #define CMOS_PAGE2_DATA_PORT_PIIX4              (3)
  44 #define PE1400_APM_CONTROL_PORT                 (0x0B0)
  45 #define PCAT_APM_CONTROL_PORT                   (0x0B2)
  46 #define PCAT_APM_STATUS_PORT                    (0x0B3)
  47 #define PE1300_CMOS_CMD_STRUCT_PTR              (0x38)
  48 #define PE1400_CMOS_CMD_STRUCT_PTR              (0x70)
  49
  50 #define MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN        (14)
  51 #define MAX_SYSMGMT_LONGCMD_SGENTRY_NUM         (16)
  52
  53 #define TIMEOUT_USEC_SHORT_SEMA_BLOCKING        (10000)
  54 #define EXPIRED_TIMER                           (0)
  55
  56 #define SMI_CMD_MAGIC                           (0x534D4931)
  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), \
  70                    .mode = 0600, \
  71                    .owner = THIS_MODULE }, \
  72         .read =  _name##_read, \
  73         .write = _name##_write, \
  74 }
  75
  76 struct smi_cmd {
  77         __u32 magic;
  78         __u32 ebx;
  79         __u32 ecx;
  80         __u16 command_address;
  81         __u8 command_code;
  82         __u8 reserved;
  83         __u8 command_buffer[1];
  84 } __attribute__ ((packed));
  85
  86 struct apm_cmd {
  87         __u8 command;
  88         __s8 status;
  89         __u16 reserved;
  90         union {
  91                 struct {
  92                         __u8 parm[MAX_SYSMGMT_SHORTCMD_PARMBUF_LEN];
  93                 } __attribute__ ((packed)) shortreq;
  94
  95                 struct {
  96                         __u16 num_sg_entries;
  97                         struct {
  98                                 __u32 size;
  99                                 __u64 addr;
 100                         } __attribute__ ((packed))
 101                             sglist[MAX_SYSMGMT_LONGCMD_SGENTRY_NUM];
 102                 } __attribute__ ((packed)) longreq;
 103         } __attribute__ ((packed)) parameters;
 104 } __attribute__ ((packed));
 105
 106 #endif /* _DCDBAS_H_ */
 107