Files
linux-nvgpu/drivers/gpu/nvgpu/include/nvgpu/pmu/volt.h
rmylavarapu e786c3fc35 gpu: nvgpu: Read current_volt from vol_rail_get_status
-Latest ucode doesn't support get_voltage RPC, the data
can be extracted from data obtained by volt_rail_get_status
board_obj cmd. Updating the debugfs node to read the data from
volt_rail_get_status.

JIRA NVGPU-3815

Change-Id: I85f84a757425411725773802c20f05063b222afc
Signed-off-by: rmylavarapu <rmylavarapu@nvidia.com>
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2153387
Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Vijayakumar Subbu <vsubbu@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>
2019-07-29 05:30:28 -07:00

117 lines
4.1 KiB
C

/*
* Copyright (c) 2016-2019, NVIDIA CORPORATION. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef NVGPU_PMU_VOLT_H
#define NVGPU_PMU_VOLT_H
#include <nvgpu/types.h>
#include <nvgpu/boardobjgrp_e32.h>
struct gk20a;
#define CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES 0x04U
#define VOLT_GET_VOLT_RAIL(pvolt, rail_idx) \
((struct voltage_rail *)BOARDOBJGRP_OBJ_GET_BY_IDX( \
&((pvolt)->volt_rail_metadata.volt_rails.super), (rail_idx)))
#define VOLT_RAIL_INDEX_IS_VALID(pvolt, rail_idx) \
(boardobjgrp_idxisvalid( \
&((pvolt)->volt_rail_metadata.volt_rails.super), (rail_idx)))
#define VOLT_RAIL_VOLT_3X_SUPPORTED(pvolt) \
(!BOARDOBJGRP_IS_EMPTY(&((pvolt)->volt_rail_metadata.volt_rails.super)))
/*!
* metadata of voltage rail functionality.
*/
struct voltage_rail_metadata {
u8 volt_domain_hal;
u8 pct_delta;
u32 ext_rel_delta_uv[CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES];
u8 logic_rail_idx;
u8 sram_rail_idx;
struct boardobjgrp_e32 volt_rails;
};
struct voltage_device_metadata {
struct boardobjgrp_e32 volt_devices;
};
struct voltage_policy_metadata {
u8 perf_core_vf_seq_policy_idx;
struct boardobjgrp_e32 volt_policies;
};
struct obj_volt {
struct voltage_rail_metadata volt_rail_metadata;
struct voltage_device_metadata volt_dev_metadata;
struct voltage_policy_metadata volt_policy_metadata;
};
struct voltage_rail {
struct boardobj super;
u32 boot_voltage_uv;
u8 rel_limit_vfe_equ_idx;
u8 alt_rel_limit_vfe_equ_idx;
u8 ov_limit_vfe_equ_idx;
u8 pwr_equ_idx;
u8 volt_scale_exp_pwr_equ_idx;
u8 volt_dev_idx_default;
u8 volt_dev_idx_ipc_vmin;
u8 boot_volt_vfe_equ_idx;
u8 vmin_limit_vfe_equ_idx;
u8 volt_margin_limit_vfe_equ_idx;
u32 volt_margin_limit_vfe_equ_mon_handle;
u32 rel_limit_vfe_equ_mon_handle;
u32 alt_rel_limit_vfe_equ_mon_handle;
u32 ov_limit_vfe_equ_mon_handle;
struct boardobjgrpmask_e32 volt_dev_mask;
s32 volt_delta_uv[CTRL_VOLT_RAIL_VOLT_DELTA_MAX_ENTRIES];
u32 vmin_limitu_v;
u32 max_limitu_v;
u32 current_volt_uv;
};
int nvgpu_volt_set_voltage(struct gk20a *g, u32 logic_voltage_uv,
u32 sram_voltage_uv);
int nvgpu_volt_get_voltage(struct gk20a *g, u32 volt_domain, u32 *voltage_uv);
int nvgpu_volt_send_load_cmd_to_pmu(struct gk20a *g);
int nvgpu_volt_dev_sw_setup(struct gk20a *g);
int nvgpu_volt_dev_pmu_setup(struct gk20a *g);
int nvgpu_volt_policy_sw_setup(struct gk20a *g);
int nvgpu_volt_policy_pmu_setup(struct gk20a *g);
int nvgpu_volt_rail_sw_setup(struct gk20a *g);
int nvgpu_volt_rail_pmu_setup(struct gk20a *g);
u8 nvgpu_volt_rail_volt_domain_convert_to_idx(struct gk20a *g, u8 volt_domain);
int nvgpu_volt_get_vmin_vmax_ps35(struct gk20a *g, u32 *vmin_uv, u32 *vmax_uv);
u8 nvgpu_volt_get_vmargin_ps35(struct gk20a *g);
int nvgpu_volt_rail_volt_dev_register(struct gk20a *g, struct voltage_rail
*pvolt_rail, u8 volt_dev_idx, u8 operation_type);
u8 nvgpu_volt_rail_vbios_volt_domain_convert_to_internal
(struct gk20a *g, u8 vbios_volt_domain);
void nvgpu_pmu_volt_rpc_handler(struct gk20a *g, struct nv_pmu_rpc_header *rpc);
int nvgpu_volt_get_curr_volt_ps35(struct gk20a *g, u32 *vcurr_uv);
#endif /* NVGPU_PMU_VOLT_H */