/*
* 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.
*/
#include "gk20a/gk20a.h"
#include "clk.h"
#include "pmuif/gpmuifclk.h"
#include "pmuif/gpmuifvolt.h"
#include "ctrl/ctrlclk.h"
#include "ctrl/ctrlvolt.h"
#include "gk20a/pmu_gk20a.h"
struct clkrpc_pmucmdhandler_params {
struct nv_pmu_clk_rpc *prpccall;
u32 success;
};
static void clkrpc_pmucmdhandler(struct gk20a *g, struct pmu_msg *msg,
void *param, u32 handle, u32 status)
{
struct clkrpc_pmucmdhandler_params *phandlerparams =
(struct clkrpc_pmucmdhandler_params *)param;
gk20a_dbg_info("");
if (msg->msg.clk.msg_type != NV_PMU_CLK_MSG_ID_RPC) {
gk20a_err(dev_from_gk20a(g),
"unsupported msg for VFE LOAD RPC %x",
msg->msg.clk.msg_type);
return;
}
if (phandlerparams->prpccall->b_supported)
phandlerparams->success = 1;
}
u32 clk_pmu_vin_load(struct gk20a *g)
{
struct pmu_cmd cmd;
struct pmu_msg msg;
struct pmu_payload payload = { {0} };
u32 status;
u32 seqdesc;
struct nv_pmu_clk_rpc rpccall = {0};
struct clkrpc_pmucmdhandler_params handler = {0};
struct nv_pmu_clk_load *clkload;
rpccall.function = NV_PMU_CLK_RPC_ID_LOAD;
clkload = &rpccall.params.clk_load;
clkload->feature = NV_NV_PMU_CLK_LOAD_FEATURE_VIN;
clkload->action_mask = NV_NV_PMU_CLK_LOAD_ACTION_MASK_VIN_HW_CAL_PROGRAM_YES << 4;
cmd.hdr.unit_id = PMU_UNIT_CLK;
cmd.hdr.size = (u32)sizeof(struct nv_pmu_clk_cmd) +
(u32)sizeof(struct pmu_hdr);
cmd.cmd.clk.cmd_type = NV_PMU_CLK_CMD_ID_RPC;
msg.hdr.size = sizeof(struct pmu_msg);
payload.in.buf = (u8 *)&rpccall;
payload.in.size = (u32)sizeof(struct nv_pmu_clk_rpc);
payload.in.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.in.offset = NV_PMU_CLK_CMD_RPC_ALLOC_OFFSET;
payload.out.buf = (u8 *)&rpccall;
payload.out.size = (u32)sizeof(struct nv_pmu_clk_rpc);
payload.out.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.out.offset = NV_PMU_CLK_MSG_RPC_ALLOC_OFFSET;
handler.prpccall = &rpccall;
handler.success = 0;
status = gk20a_pmu_cmd_post(g, &cmd, NULL, &payload,
PMU_COMMAND_QUEUE_LPQ,
clkrpc_pmucmdhandler, (void *)&handler,
&seqdesc, ~0);
if (status) {
gk20a_err(dev_from_gk20a(g),
"unable to post clk RPC cmd %x",
cmd.cmd.clk.cmd_type);
goto done;
}
pmu_wait_message_cond(&g->pmu,
gk20a_get_gr_idle_timeout(g),
&handler.success, 1);
if (handler.success == 0) {
gk20a_err(dev_from_gk20a(g), "rpc call to load vin cal failed");
status = -EINVAL;
}
done:
return status;
}
u32 clk_pmu_vf_inject(struct gk20a *g)
{
struct pmu_cmd cmd;
struct pmu_msg msg;
struct pmu_payload payload = { {0} };
u32 status;
u32 seqdesc;
struct nv_pmu_clk_rpc rpccall = {0};
struct clkrpc_pmucmdhandler_params handler = {0};
struct nv_pmu_clk_vf_change_inject *vfchange;
rpccall.function = NV_PMU_CLK_RPC_ID_CLK_VF_CHANGE_INJECT;
vfchange = &rpccall.params.clk_vf_change_inject;
vfchange->flags = 0;
vfchange->clk_list.num_domains = 3;
vfchange->clk_list.clk_domains[0].clk_domain = CTRL_CLK_DOMAIN_GPC2CLK;
vfchange->clk_list.clk_domains[0].clk_freq_khz = 2581 * 1000;
vfchange->clk_list.clk_domains[0].clk_flags = 0;
vfchange->clk_list.clk_domains[0].current_regime_id =
CTRL_CLK_FLL_REGIME_ID_FFR;
vfchange->clk_list.clk_domains[0].target_regime_id =
CTRL_CLK_FLL_REGIME_ID_FR;
vfchange->clk_list.clk_domains[1].clk_domain = CTRL_CLK_DOMAIN_XBAR2CLK;
vfchange->clk_list.clk_domains[1].clk_freq_khz = 2505 * 1000;
vfchange->clk_list.clk_domains[1].clk_flags = 0;
vfchange->clk_list.clk_domains[1].current_regime_id =
CTRL_CLK_FLL_REGIME_ID_FFR;
vfchange->clk_list.clk_domains[1].target_regime_id =
CTRL_CLK_FLL_REGIME_ID_FR;
vfchange->clk_list.clk_domains[2].clk_domain = CTRL_CLK_DOMAIN_SYS2CLK;
vfchange->clk_list.clk_domains[2].clk_freq_khz = 2328 * 1000;
vfchange->clk_list.clk_domains[2].clk_flags = 0;
vfchange->clk_list.clk_domains[2].current_regime_id =
CTRL_CLK_FLL_REGIME_ID_FFR;
vfchange->clk_list.clk_domains[2].target_regime_id =
CTRL_CLK_FLL_REGIME_ID_FR;
vfchange->volt_list.num_rails = 1;
vfchange->volt_list.rails[0].volt_domain = CTRL_VOLT_DOMAIN_LOGIC;
vfchange->volt_list.rails[0].voltage_uv = 825000;
vfchange->volt_list.rails[0].voltage_min_noise_unaware_uv = 825000;
cmd.hdr.unit_id = PMU_UNIT_CLK;
cmd.hdr.size = (u32)sizeof(struct nv_pmu_clk_cmd) +
(u32)sizeof(struct pmu_hdr);
cmd.cmd.clk.cmd_type = NV_PMU_CLK_CMD_ID_RPC;
msg.hdr.size = sizeof(struct pmu_msg);
payload.in.buf = (u8 *)&rpccall;
payload.in.size = (u32)sizeof(struct nv_pmu_clk_rpc);
payload.in.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.in.offset = NV_PMU_CLK_CMD_RPC_ALLOC_OFFSET;
payload.out.buf = (u8 *)&rpccall;
payload.out.size = (u32)sizeof(struct nv_pmu_clk_rpc);
payload.out.fb_size = PMU_CMD_SUBMIT_PAYLOAD_PARAMS_FB_SIZE_UNUSED;
payload.out.offset = NV_PMU_CLK_MSG_RPC_ALLOC_OFFSET;
handler.prpccall = &rpccall;
handler.success = 0;
status = gk20a_pmu_cmd_post(g, &cmd, NULL, &payload,
PMU_COMMAND_QUEUE_LPQ,
clkrpc_pmucmdhandler, (void *)&handler,
&seqdesc, ~0);
if (status) {
gk20a_err(dev_from_gk20a(g),
"unable to post clk RPC cmd %x",
cmd.cmd.clk.cmd_type);
goto done;
}
pmu_wait_message_cond(&g->pmu,
gk20a_get_gr_idle_timeout(g),
&handler.success, 1);
if (handler.success == 0) {
gk20a_err(dev_from_gk20a(g), "rpc call to inject clock failed");
status = -EINVAL;
}
done:
return status;
}
u32 clk_domain_print_vf_table(struct gk20a *g, u32 clkapidomain)
{
u32 status = -EINVAL;
struct clk_domain *pdomain;
u8 i;
struct clk_pmupstate *pclk = &g->clk_pmu;
u16 clkmhz = 0;
u32 volt = 0;
BOARDOBJGRP_FOR_EACH(&(pclk->clk_domainobjs.super.super),
struct clk_domain *, pdomain, i) {
if (pdomain->api_domain == clkapidomain) {
status = pdomain->clkdomainclkvfsearch(g, pclk,
pdomain, &clkmhz, &volt,
CLK_PROG_VFE_ENTRY_LOGIC);
return status;
}
}
return status;
}
u32 clk_domain_get_f_or_v(
struct gk20a *g,
u32 clkapidomain,
u16 *pclkmhz,
u32 *pvoltuv
)
{
u32 status = -EINVAL;
struct clk_domain *pdomain;
u8 i;
struct clk_pmupstate *pclk = &g->clk_pmu;
if ((pclkmhz == NULL) || (pvoltuv == NULL))
return -EINVAL;
BOARDOBJGRP_FOR_EACH(&(pclk->clk_domainobjs.super.super),
struct clk_domain *, pdomain, i) {
if (pdomain->api_domain == clkapidomain) {
status = pdomain->clkdomainclkvfsearch(g, pclk,
pdomain, pclkmhz, pvoltuv,
CLK_PROG_VFE_ENTRY_LOGIC);
return status;
}
}
return status;
}
