drivers/thermal/intel/int340x_thermal/acpi_thermal_rel.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ACPI_ACPI_THERMAL_H
   3 #define __ACPI_ACPI_THERMAL_H
   4
   5 #include <asm/ioctl.h>
   6
   7 #define ACPI_THERMAL_MAGIC 's'
   8
   9 #define ACPI_THERMAL_GET_TRT_LEN _IOR(ACPI_THERMAL_MAGIC, 1, unsigned long)
  10 #define ACPI_THERMAL_GET_ART_LEN _IOR(ACPI_THERMAL_MAGIC, 2, unsigned long)
  11 #define ACPI_THERMAL_GET_TRT_COUNT _IOR(ACPI_THERMAL_MAGIC, 3, unsigned long)
  12 #define ACPI_THERMAL_GET_ART_COUNT _IOR(ACPI_THERMAL_MAGIC, 4, unsigned long)
  13
  14 #define ACPI_THERMAL_GET_TRT    _IOR(ACPI_THERMAL_MAGIC, 5, unsigned long)
  15 #define ACPI_THERMAL_GET_ART    _IOR(ACPI_THERMAL_MAGIC, 6, unsigned long)
  16
  17 /*
  18  * ACPI_THERMAL_GET_PSVT_COUNT = Number of PSVT entries
  19  * ACPI_THERMAL_GET_PSVT_LEN = Total return data size (PSVT count x each
  20  * PSVT entry size)
  21  * ACPI_THERMAL_GET_PSVT = Get the data as an array of psvt_objects
  22  */
  23 #define ACPI_THERMAL_GET_PSVT_LEN _IOR(ACPI_THERMAL_MAGIC, 7, unsigned long)
  24 #define ACPI_THERMAL_GET_PSVT_COUNT _IOR(ACPI_THERMAL_MAGIC, 8, unsigned long)
  25 #define ACPI_THERMAL_GET_PSVT   _IOR(ACPI_THERMAL_MAGIC, 9, unsigned long)
  26
  27 struct art {
  28         acpi_handle source;
  29         acpi_handle target;
  30         struct_group(data,
  31                 u64 weight;
  32                 u64 ac0_max;
  33                 u64 ac1_max;
  34                 u64 ac2_max;
  35                 u64 ac3_max;
  36                 u64 ac4_max;
  37                 u64 ac5_max;
  38                 u64 ac6_max;
  39                 u64 ac7_max;
  40                 u64 ac8_max;
  41                 u64 ac9_max;
  42         );
  43 } __packed;
  44
  45 struct trt {
  46         acpi_handle source;
  47         acpi_handle target;
  48         u64 influence;
  49         u64 sample_period;
  50         u64 reserved1;
  51         u64 reserved2;
  52         u64 reserved3;
  53         u64 reserved4;
  54 } __packed;
  55
  56 #define ACPI_NR_PSVT_ELEMENTS   12
  57 #define ACPI_PSVT_CONTROL_KNOB  7
  58 #define ACPI_LIMIT_STR_MAX_LEN  8
  59
  60 struct psvt {
  61         acpi_handle source;
  62         acpi_handle target;
  63         u64 priority;
  64         u64 sample_period;
  65         u64 passive_temp;
  66         u64 source_domain;
  67         u64 control_knob;
  68         union {
  69                 /* For limit_type = ACPI_TYPE_INTEGER */
  70                 u64 integer;
  71                 /* For limit_type = ACPI_TYPE_STRING */
  72                 char string[ACPI_LIMIT_STR_MAX_LEN];
  73                 char *str_ptr;
  74         } limit;
  75         u64 step_size;
  76         u64 limit_coeff;
  77         u64 unlimit_coeff;
  78         /* Spec calls this field reserved, so we borrow it for type info */
  79         u64 control_knob_type; /* ACPI_TYPE_STRING or ACPI_TYPE_INTEGER */
  80 } __packed;
  81
  82 #define ACPI_NR_ART_ELEMENTS 13
  83 /* for usrspace */
  84 union art_object {
  85         struct {
  86                 char source_device[8]; /* ACPI single name */
  87                 char target_device[8]; /* ACPI single name */
  88                 struct_group(data,
  89                         u64 weight;
  90                         u64 ac0_max_level;
  91                         u64 ac1_max_level;
  92                         u64 ac2_max_level;
  93                         u64 ac3_max_level;
  94                         u64 ac4_max_level;
  95                         u64 ac5_max_level;
  96                         u64 ac6_max_level;
  97                         u64 ac7_max_level;
  98                         u64 ac8_max_level;
  99                         u64 ac9_max_level;
 100                 );
 101         };
 102         u64 __data[ACPI_NR_ART_ELEMENTS];
 103 };
 104
 105 union trt_object {
 106         struct {
 107                 char source_device[8]; /* ACPI single name */
 108                 char target_device[8]; /* ACPI single name */
 109                 u64 influence;
 110                 u64 sample_period;
 111                 u64 reserved[4];
 112         };
 113         u64 __data[8];
 114 };
 115
 116 union psvt_object {
 117         struct {
 118                 char source_device[8];
 119                 char target_device[8];
 120                 u64 priority;
 121                 u64 sample_period;
 122                 u64 passive_temp;
 123                 u64 source_domain;
 124                 u64 control_knob;
 125                 union {
 126                         u64 integer;
 127                         char string[ACPI_LIMIT_STR_MAX_LEN];
 128                 } limit;
 129                 u64 step_size;
 130                 u64 limit_coeff;
 131                 u64 unlimit_coeff;
 132                 u64 control_knob_type;
 133         };
 134         u64 __data[ACPI_NR_PSVT_ELEMENTS];
 135 };
 136
 137 #ifdef __KERNEL__
 138 int acpi_thermal_rel_misc_device_add(acpi_handle handle);
 139 int acpi_thermal_rel_misc_device_remove(acpi_handle handle);
 140 int acpi_parse_art(acpi_handle handle, int *art_count, struct art **arts,
 141                 bool create_dev);
 142 int acpi_parse_trt(acpi_handle handle, int *trt_count, struct trt **trts,
 143                 bool create_dev);
 144 #endif
 145
 146 #endif /* __ACPI_ACPI_THERMAL_H */