gpu: nvgpu: gv10x volt rail boardobj changes

- Created volt ops under pmu_ver to support volt_set_voltage,
  volt_get_voltage & volt_send_load_cmd_to_pmu.
- Renamed volt load, set_voltage & get_voltage gp10x method names.
- Added new volt load, set_voltage & get_voltage methods for gv10x
  using RPC & added code to handle ack in pmu_rpc_handler() along
  with struct rail_list changes.
- Updated volt ops of gp106 & gv100 to point to respective methods.
- Added member volt_dev_idx_ipc_vmin & volt_scale_exp_pwr_equ_idx to
  "struct nv_pmu_volt_volt_rail_boardobj_set" & "struct voltage_rail"
  made changes to update members as needed.
- Added member volt_scale_exp_pwr_equ_idx to
  "struct vbios_voltage_rail_table_1x_entry" to read
  value from VBIOS table & update rail boardobj set interface.
- Defines for volt RPC "NV_PMU_RPC_ID_VOLT_*"
- Define struct's volt load, set_voltage & get_voltage to execute
   volt RPC.

Change-Id: I4a41adcf7536468beaa8a73f551b1d608aabd161
Signed-off-by: Mahantesh Kumbar <mkumbar@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/1659728
Reviewed-by: Automatic_Commit_Validation_User
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>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/include/nvgpu/bios.h b/drivers/gpu/nvgpu/include/nvgpu/bios.h
index fb0a313f..75f8da35 100644
--- a/drivers/gpu/nvgpu/include/nvgpu/bios.h
+++ b/drivers/gpu/nvgpu/include/nvgpu/bios.h
@@ -725,6 +725,7 @@ struct vbios_voltage_rail_table_1x_header {
 #define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_09          0X00000009
 #define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0A          0X0000000A
 #define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0B          0X0000000B
+#define NV_VBIOS_VOLTAGE_RAIL_1X_ENTRY_SIZE_0C          0X0000000C
 
 struct vbios_voltage_rail_table_1x_entry {
         u32 boot_voltage_uv;
@@ -735,6 +736,7 @@ struct vbios_voltage_rail_table_1x_entry {
         u8 boot_volt_vfe_equ_idx;
         u8 vmin_limit_vfe_equ_idx;
         u8 volt_margin_limit_vfe_equ_idx;
+        u8 volt_scale_exp_pwr_equ_idx;
 } __packed;
 
 /* Voltage Device Table */