path: root/drivers/gpu/nvgpu/include/bios.h

/*
 * vbios tables support
 *
 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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 NVGPU_INCLUDE_BIOS_H
#define NVGPU_INCLUDE_BIOS_H

#include "gk20a/gk20a.h"

#define BIOS_GET_FIELD(value, name) ((value & name##_MASK) >> name##_SHIFT)

struct fll_descriptor_header {
	u8 version;
	u8 size;
} __packed;

#define FLL_DESCRIPTOR_HEADER_10_SIZE_4     4
#define FLL_DESCRIPTOR_HEADER_10_SIZE_6     6

struct fll_descriptor_header_10 {
	u8 version;
	u8 header_size;
	u8 entry_size;
	u8 entry_count;
	u16 max_min_freq_mhz;
} __packed;

#define FLL_DESCRIPTOR_ENTRY_10_SIZE     15

struct fll_descriptor_entry_10 {
	u8 fll_device_type;
	u8 clk_domain;
	u8 fll_device_id;
	u16 lut_params;
	u8 vin_idx_logic;
	u8 vin_idx_sram;
	u16 fll_params;
	u8 min_freq_vfe_idx;
	u8 freq_ctrl_idx;
	u16 ref_freq_mhz;
	u16 ffr_cutoff_freq_mhz;
} __packed;

#define NV_FLL_DESC_FLL_PARAMS_MDIV_MASK 0x1F
#define NV_FLL_DESC_FLL_PARAMS_MDIV_SHIFT 0

#define NV_FLL_DESC_LUT_PARAMS_VSELECT_MASK 0x3
#define NV_FLL_DESC_LUT_PARAMS_VSELECT_SHIFT 0

#define NV_FLL_DESC_LUT_PARAMS_HYSTERISIS_THRESHOLD_MASK 0x3C
#define NV_FLL_DESC_LUT_PARAMS_HYSTERISIS_THRESHOLD_SHIFT 2

struct vin_descriptor_header_10 {
	u8 version;
	u8 header_sizee;
	u8 entry_size;
	u8 entry_count;
	u8 flags0;
	u32 vin_cal;
} __packed;

struct vin_descriptor_entry_10 {
	u8 vin_device_type;
	u8 volt_domain_vbios;
	u8 vin_device_id;
} __packed;

#define NV_VIN_DESC_FLAGS0_VIN_CAL_REVISION_MASK 0x7
#define NV_VIN_DESC_FLAGS0_VIN_CAL_REVISION_SHIFT 0

#define NV_VIN_DESC_FLAGS0_DISABLE_CONTROL_MASK 0x8
#define NV_VIN_DESC_FLAGS0_DISABLE_CONTROL_SHIFT 3

#define NV_VIN_DESC_VIN_CAL_SLOPE_FRACTION_MASK 0x1FF
#define NV_VIN_DESC_VIN_CAL_SLOPE_FRACTION_SHIFT 0

#define NV_VIN_DESC_VIN_CAL_SLOPE_INTEGER_MASK 0x3C00
#define NV_VIN_DESC_VIN_CAL_SLOPE_INTEGER_SHIFT  10

#define NV_VIN_DESC_VIN_CAL_INTERCEPT_FRACTION_MASK 0x3C000
#define NV_VIN_DESC_VIN_CAL_INTERCEPT_FRACTION_SHIFT 14

#define NV_VIN_DESC_VIN_CAL_INTERCEPT_INTEGER_MASK 0xFFC0000
#define NV_VIN_DESC_VIN_CAL_INTERCEPT_INTEGER_SHIFT 18

#define VBIOS_CLOCKS_TABLE_1X_HEADER_SIZE_07 0x07
struct vbios_clocks_table_1x_header {
	u8 version;
	u8 header_size;
	u8 entry_size;
	u8 entry_count;
	u8 clocks_hal;
	u16 cntr_sampling_periodms;
} __packed;

#define VBIOS_CLOCKS_TABLE_1X_ENTRY_SIZE_09                                 0x09
struct vbios_clocks_table_1x_entry {
	u8 flags0;
	u16 param0;
	u32 param1;
	u16 param2;
} __packed;

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_FLAGS0_USAGE_MASK                    0x1F
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_FLAGS0_USAGE_SHIFT                   0
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_FLAGS0_USAGE_FIXED                   0x00
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_FLAGS0_USAGE_MASTER                  0x01
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_FLAGS0_USAGE_SLAVE                   0x02

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM0_PROG_CLK_PROG_IDX_FIRST_MASK  0xFF
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM0_PROG_CLK_PROG_IDX_FIRST_SHIFT  0
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM0_PROG_CLK_PROG_IDX_LAST_MASK  0xFF00
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM0_PROG_CLK_PROG_IDX_LAST_SHIFT 0x08

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_FIXED_FREQUENCY_MHZ_MASK        0xFFFF
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_FIXED_FREQUENCY_MHZ_SHIFT       0
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_MASTER_FREQ_OC_DELTA_MIN_MHZ_MASK 0xFFFF
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_MASTER_FREQ_OC_DELTA_MIN_MHZ_SHIFT 0

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_MASTER_FREQ_OC_DELTA_MAX_MHZ_MASK 0xFFFF0000
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_MASTER_FREQ_OC_DELTA_MAX_MHZ_SHIFT 0

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_SLAVE_MASTER_DOMAIN_MASK         0xF
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM1_SLAVE_MASTER_DOMAIN_SHIFT       0

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_NOISE_UNAWARE_ORDERING_IDX_MASK 0xF
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_NOISE_UNAWARE_ORDERING_IDX_SHIFT 0

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_NOISE_AWARE_ORDERING_IDX_MASK     0xF0
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_NOISE_AWARE_ORDERING_IDX_SHIFT   4

#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_FORCE_NOISE_UNAWARE_ORDERING_MASK 0x100
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_FORCE_NOISE_UNAWARE_ORDERING_SHIFT 8
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_FORCE_NOISE_UNAWARE_ORDERING_FALSE   0x00
#define NV_VBIOS_CLOCKS_TABLE_1X_ENTRY_PARAM2_PROG_FORCE_NOISE_UNAWARE_ORDERING_TRUE    0x01

#define VBIOS_CLOCK_PROGRAMMING_TABLE_1X_HEADER_SIZE_08                              0x08
struct vbios_clock_programming_table_1x_header {
	u8 version;
	u8 header_size;
	u8 entry_size;
	u8 entry_count;
	u8 slave_entry_size;
	u8 slave_entry_count;
	u8 vf_entry_size;
	u8 vf_entry_count;
} __packed;

#define VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_SIZE_05                      0x05
#define VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_SIZE_0D                      0x0D
struct vbios_clock_programming_table_1x_entry {
	u8 flags0;
	u16 freq_max_mhz;
	u8 param0;
	u8 param1;
	u32 rsvd;
	u32 rsvd1;
} __packed;

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_TYPE_MASK          0xF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_TYPE_SHIFT         0
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_TYPE_MASTER_RATIO   0x00
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_TYPE_MASTER_TABLE   0x01
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_TYPE_SLAVE          0x02

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_SOURCE_MASK          0x70
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_SOURCE_SHIFT         4
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_SOURCE_PLL          0x00
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_SOURCE_ONE_SOURCE   0x01
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_SOURCE_FLL        0x02

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_OVOC_ENABLED_MASK    0x80
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_OVOC_ENABLED_SHIFT   7
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_OVOC_ENABLED_FALSE  0x00
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_FLAGS0_OVOC_ENABLED_TRUE   0x01

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_PARAM0_PLL_PLL_INDEX_MASK   0xFF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_PARAM0_PLL_PLL_INDEX_SHIFT  0

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_PARAM1_PLL_FREQ_STEP_SIZE_MASK   0xFF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_ENTRY_PARAM1_PLL_FREQ_STEP_SIZE_SHIFT  0

#define VBIOS_CLOCK_PROGRAMMING_TABLE_1X_SLAVE_ENTRY_SIZE_03              0x03
struct vbios_clock_programming_table_1x_slave_entry {
	u8 clk_dom_idx;
	u16 param0;
} __packed;

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_SLAVE_ENTRY_PARAM0_MASTER_RATIO_RATIO_MASK 0xFF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_SLAVE_ENTRY_PARAM0_MASTER_RATIO_RATIO_SHIFT 0

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_SLAVE_ENTRY_PARAM0_MASTER_TABLE_FREQ_MASK  0x3FFF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_SLAVE_ENTRY_PARAM0_MASTER_TABLE_FREQ_SHIFT  0

#define VBIOS_CLOCK_PROGRAMMING_TABLE_1X_VF_ENTRY_SIZE_02                   0x02
struct vbios_clock_programming_table_1x_vf_entry {
	u8 vfe_idx;
	u8 param0;
} __packed;

#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_VF_ENTRY_PARAM0_FLL_GAIN_VFE_IDX_MASK 0xFF
#define NV_VBIOS_CLOCK_PROGRAMMING_TABLE_1X_VF_ENTRY_PARAM0_FLL_GAIN_VFE_IDX_SHIFT 0

struct vbios_vfe_3x_header_struct {
	u8 version;
	u8 header_size;
	u8 vfe_var_entry_size;
	u8 vfe_var_entry_count;
	u8 vfe_equ_entry_size;
	u8 vfe_equ_entry_count;
	u8 polling_periodms;
} __packed;

#define VBIOS_VFE_3X_VAR_ENTRY_SIZE_11                                      0x11
#define VBIOS_VFE_3X_VAR_ENTRY_SIZE_19                                      0x19
struct vbios_vfe_3x_var_entry_struct {
	u8 type;
	u32 out_range_min;
	u32 out_range_max;
	u32 param0;
	u32 param1;
	u32 param2;
	u32 param3;
} __packed;

#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_DISABLED                                0x00
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_SINGLE_FREQUENCY                        0x01
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_SINGLE_VOLTAGE                          0x02
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_SINGLE_SENSED_TEMP                      0x03
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_SINGLE_SENSED_FUSE                      0x04
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_DERIVED_PRODUCT                         0x05
#define VBIOS_VFE_3X_VAR_ENTRY_TYPE_DERIVED_SUM                             0x06

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_TH_CH_IDX_MASK 0xFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_TH_CH_IDX_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_HYS_POS_MASK 0xFF00
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_HYS_POS_SHIFT 8

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_HYS_NEG_MASK 0xFF0000
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSTEMP_HYS_NEG_SHIFT 16

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_VFIELD_ID_MASK 0xFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_VFIELD_ID_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_VFIELD_ID_VER_MASK 0xFF00
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_VFIELD_ID_VER_SHIFT 8

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_EXPECTED_VER_MASK 0xFF0000
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_EXPECTED_VER_SHIFT 16

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_USE_DEFAULT_ON_VER_CHECK_FAIL_MASK 0x1000000
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_USE_DEFAULT_ON_VER_CHECK_FAIL_SHIFT 24

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_USE_DEFAULT_ON_VER_CHECK_FAIL_YES 0x00000001
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_SSFUSE_USE_DEFAULT_ON_VER_CHECK_FAIL_NO 0x00000000
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DPROD_VFE_VAR_IDX_0_MASK 0xFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DPROD_VFE_VAR_IDX_0_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DPROD_VFE_VAR_IDX_1_MASK 0xFF00
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DPROD_VFE_VAR_IDX_1_SHIFT 8

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DSUM_VFE_VAR_IDX_0_MASK 0xFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DSUM_VFE_VAR_IDX_0_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DSUM_VFE_VAR_IDX_1_MASK 0xFF00
#define VBIOS_VFE_3X_VAR_ENTRY_PAR0_DSUM_VFE_VAR_IDX_1_SHIFT 8

#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_DEFAULT_VAL_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_DEFAULT_VAL_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_HW_CORRECTION_SCALE_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_HW_CORRECTION_SCALE_SHIFT 0

#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_HW_CORRECTION_OFFSET_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_VAR_ENTRY_PAR1_SSFUSE_HW_CORRECTION_OFFSET_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_SIZE_17                                      0x17
#define VBIOS_VFE_3X_EQU_ENTRY_SIZE_18                                      0x18

struct vbios_vfe_3x_equ_entry_struct {
	u8 type;
	u8 var_idx;
	u8 equ_idx_next;
	u32 out_range_min;
	u32 out_range_max;
	u32 param0;
	u32 param1;
	u32 param2;
	u8 param3;
} __packed;


#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_DISABLED                                0x00
#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_QUADRATIC                               0x01
#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_MINMAX                                  0x02
#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_COMPARE                                 0x03
#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_QUADRATIC_FXP                           0x04
#define VBIOS_VFE_3X_EQU_ENTRY_TYPE_MINMAX_FXP                              0x05

#define VBIOS_VFE_3X_EQU_ENTRY_IDX_INVALID                                  0xFF

#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_QUADRATIC_C0_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_QUADRATIC_C0_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_VFE_EQU_IDX_0_MASK 0xFF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_VFE_EQU_IDX_0_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_VFE_EQU_IDX_1_MASK 0xFF00
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_VFE_EQU_IDX_1_SHIFT 8

#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_CRIT_MASK 0x10000
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_CRIT_SHIFT 16
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_CRIT_MIN 0x00000000
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_MINMAX_CRIT_MAX 0x00000001

#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_COMPARE_CRIT_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR0_COMPARE_CRIT_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_QUADRATIC_C1_MASK 0xFFFFFFFF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_QUADRATIC_C1_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_VFE_EQU_IDX_TRUE_MASK 0xFF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_VFE_EQU_IDX_TRUE_SHIFT 0

#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_VFE_EQU_IDX_FALSE_MASK 0xFF00
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_VFE_EQU_IDX_FALSE_SHIFT 8

#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_FUNCTION_MASK 0x70000
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_FUNCTION_SHIFT 16
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_FUNCTION_EQUAL 0x00000000
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_FUNCTION_GREATER_EQ 0x00000001
#define VBIOS_VFE_3X_EQU_ENTRY_PAR1_COMPARE_FUNCTION_GREATER 0x00000002

#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_MASK 0xF
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_SHIFT 0
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_UNITLESS                     0x0
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_FREQ_MHZ                     0x1
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_VOLT_UV                      0x2
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_VF_GAIN                      0x3
#define VBIOS_VFE_3X_EQU_ENTRY_PAR3_OUTPUT_TYPE_VOLT_DELTA_UV                0x4

#define NV_VFIELD_DESC_SIZE_BYTE            0x00000000
#define NV_VFIELD_DESC_SIZE_WORD            0x00000001
#define NV_VFIELD_DESC_SIZE_DWORD           0x00000002
#define VFIELD_SIZE(pvregentry) ((pvregentry->strap_reg_desc & 0x18) >> 3)

#define NV_PMU_BIOS_VFIELD_DESC_CODE_INVALID         0x00000000
#define NV_PMU_BIOS_VFIELD_DESC_CODE_REG             0x00000001
#define NV_PMU_BIOS_VFIELD_DESC_CODE_INDEX_REG       0x00000002

#define NV_VFIELD_DESC_CODE_INVALID         NV_PMU_BIOS_VFIELD_DESC_CODE_INVALID
#define NV_VFIELD_DESC_CODE_REG             NV_PMU_BIOS_VFIELD_DESC_CODE_REG
#define NV_VFIELD_DESC_CODE_INDEX_REG       NV_PMU_BIOS_VFIELD_DESC_CODE_INDEX_REG

#define VFIELD_CODE(pvregentry) ((pvregentry->strap_reg_desc & 0xE0) >> 5)

#define VFIELD_ID_STRAP_IDDQ                    0x09
#define VFIELD_ID_STRAP_IDDQ_1                  0x0B

#define VFIELD_REG_HEADER_SIZE 3
struct vfield_reg_header {
	u8 version;
	u8 entry_size;
	u8 count;
} __packed;

#define VBIOS_VFIELD_REG_TABLE_VERSION_1_0  0x10


#define VFIELD_REG_ENTRY_SIZE 13
struct vfield_reg_entry {
	u8 strap_reg_desc;
	u32 reg;
	u32 reg_index;
	u32 index;
} __packed;

#define VFIELD_HEADER_SIZE 3

struct vfield_header {
	u8 version;
	u8 entry_size;
	u8 count;
} __packed;

#define VBIOS_VFIELD_TABLE_VERSION_1_0  0x10

#define VFIELD_BIT_START(ventry) (ventry.strap_desc & 0x1F)
#define VFIELD_BIT_STOP(ventry)	((ventry.strap_desc & 0x3E0) >> 5)
#define VFIELD_BIT_REG(ventry) ((ventry.strap_desc & 0x3C00) >> 10)

#define VFIELD_ENTRY_SIZE 3

struct vfield_entry {
	u8 strap_id;
	u16 strap_desc;
} __packed;

#endif