drivers/gpu/drm/nouveau/nvkm/subdev/pmu/gp10b.c

   1 /*
   2  * Copyright (c) 2016, NVIDIA CORPORATION. All rights reserved.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  18  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  19  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  20  * DEALINGS IN THE SOFTWARE.
  21  */
  22 #include "priv.h"
  23
  24 #include <subdev/acr.h>
  25
  26 #include <nvfw/flcn.h>
  27 #include <nvfw/pmu.h>
  28
  29 static int
  30 gp10b_pmu_acr_bootstrap_multiple_falcons_cb(void *priv,
  31                                             struct nv_falcon_msg *hdr)
  32 {
  33         struct nv_pmu_acr_bootstrap_multiple_falcons_msg *msg =
  34                 container_of(hdr, typeof(*msg), msg.hdr);
  35         return msg->falcon_mask;
  36 }
  37 static int
  38 gp10b_pmu_acr_bootstrap_multiple_falcons(struct nvkm_falcon *falcon, u32 mask)
  39 {
  40         struct nvkm_pmu *pmu = container_of(falcon, typeof(*pmu), falcon);
  41         struct nv_pmu_acr_bootstrap_multiple_falcons_cmd cmd = {
  42                 .cmd.hdr.unit_id = NV_PMU_UNIT_ACR,
  43                 .cmd.hdr.size = sizeof(cmd),
  44                 .cmd.cmd_type = NV_PMU_ACR_CMD_BOOTSTRAP_MULTIPLE_FALCONS,
  45                 .flags = NV_PMU_ACR_BOOTSTRAP_MULTIPLE_FALCONS_FLAGS_RESET_YES,
  46                 .falcon_mask = mask,
  47                 .wpr_lo = 0, /*XXX*/
  48                 .wpr_hi = 0, /*XXX*/
  49         };
  50         int ret;
  51
  52         ret = nvkm_falcon_cmdq_send(pmu->hpq, &cmd.cmd.hdr,
  53                                     gp10b_pmu_acr_bootstrap_multiple_falcons_cb,
  54                                     &pmu->subdev, msecs_to_jiffies(1000));
  55         if (ret >= 0) {
  56                 if (ret != cmd.falcon_mask)
  57                         ret = -EIO;
  58                 else
  59                         ret = 0;
  60         }
  61
  62         return ret;
  63 }
  64
  65 static const struct nvkm_acr_lsf_func
  66 gp10b_pmu_acr = {
  67         .flags = NVKM_ACR_LSF_DMACTL_REQ_CTX,
  68         .bld_size = sizeof(struct loader_config),
  69         .bld_write = gm20b_pmu_acr_bld_write,
  70         .bld_patch = gm20b_pmu_acr_bld_patch,
  71         .boot = gm20b_pmu_acr_boot,
  72         .bootstrap_falcon = gm20b_pmu_acr_bootstrap_falcon,
  73         .bootstrap_multiple_falcons = gp10b_pmu_acr_bootstrap_multiple_falcons,
  74 };
  75
  76 static const struct nvkm_pmu_func
  77 gp10b_pmu = {
  78         .flcn = &gt215_pmu_flcn,
  79         .enabled = gf100_pmu_enabled,
  80         .intr = gt215_pmu_intr,
  81         .recv = gm20b_pmu_recv,
  82         .initmsg = gm20b_pmu_initmsg,
  83 };
  84
  85 #if IS_ENABLED(CONFIG_ARCH_TEGRA_210_SOC)
  86 MODULE_FIRMWARE("nvidia/gp10b/pmu/desc.bin");
  87 MODULE_FIRMWARE("nvidia/gp10b/pmu/image.bin");
  88 MODULE_FIRMWARE("nvidia/gp10b/pmu/sig.bin");
  89 #endif
  90
  91 static const struct nvkm_pmu_fwif
  92 gp10b_pmu_fwif[] = {
  93         { 0, gm20b_pmu_load, &gp10b_pmu, &gp10b_pmu_acr },
  94         {}
  95 };
  96
  97 int
  98 gp10b_pmu_new(struct nvkm_device *device, int index, struct nvkm_pmu **ppmu)
  99 {
 100         return nvkm_pmu_new_(gp10b_pmu_fwif, device, index, ppmu);
 101 }