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, 7 insertions, 0 deletions

diff --git a/drivers/gpu/nvgpu/gk20a/gk20a.h b/drivers/gpu/nvgpu/gk20a/gk20a.h
index 9a0cfd02..58570d6d 100644
--- a/drivers/gpu/nvgpu/gk20a/gk20a.h
+++ b/drivers/gpu/nvgpu/gk20a/gk20a.h
@@ -747,6 +747,13 @@ struct gpu_ops {
                                 struct boardobjgrp *pboardobjgrp,
                                 struct boardobjgrp_pmu_cmd *cmd);
                 } boardobj;
+                struct {
+                        u32 (*volt_set_voltage)(struct gk20a *g,
+                                u32 logic_voltage_uv, u32 sram_voltage_uv);
+                        u32 (*volt_get_voltage)(struct gk20a *g,
+                                u8 volt_domain, u32 *pvoltage_uv);
+                        u32 (*volt_send_load_cmd_to_pmu)(struct gk20a *g);
+                } volt;
         } pmu_ver;
         struct {
                 int (*get_netlist_name)(struct gk20a *g, int index, char *name);