diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0148cdec.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0148cdec.c | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0148cdec.c b/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0148cdec.c deleted file mode 100644 index 9424803b9ef4..000000000000 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0148cdec.c +++ /dev/null @@ -1,264 +0,0 @@ -/* - * Copyright (c) 2017, 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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. - * - */ - -#include "msgqueue.h" -#include <engine/falcon.h> -#include <subdev/secboot.h> - -/* - * This firmware runs on the SEC falcon. It only has one command and one - * message queue, and uses a different command line and init message. - */ - -enum { - MSGQUEUE_0148CDEC_COMMAND_QUEUE = 0, - MSGQUEUE_0148CDEC_MESSAGE_QUEUE = 1, - MSGQUEUE_0148CDEC_NUM_QUEUES, -}; - -struct msgqueue_0148cdec { - struct nvkm_msgqueue base; - - struct nvkm_msgqueue_queue queue[MSGQUEUE_0148CDEC_NUM_QUEUES]; -}; -#define msgqueue_0148cdec(q) \ - container_of(q, struct msgqueue_0148cdec, base) - -static struct nvkm_msgqueue_queue * -msgqueue_0148cdec_cmd_queue(struct nvkm_msgqueue *queue, - enum msgqueue_msg_priority priority) -{ - struct msgqueue_0148cdec *priv = msgqueue_0148cdec(queue); - - return &priv->queue[MSGQUEUE_0148CDEC_COMMAND_QUEUE]; -} - -static void -msgqueue_0148cdec_process_msgs(struct nvkm_msgqueue *queue) -{ - struct msgqueue_0148cdec *priv = msgqueue_0148cdec(queue); - struct nvkm_msgqueue_queue *q_queue = - &priv->queue[MSGQUEUE_0148CDEC_MESSAGE_QUEUE]; - - nvkm_msgqueue_process_msgs(&priv->base, q_queue); -} - - -/* Init unit */ -#define MSGQUEUE_0148CDEC_UNIT_INIT 0x01 - -enum { - INIT_MSG_INIT = 0x0, -}; - -static void -init_gen_cmdline(struct nvkm_msgqueue *queue, void *buf) -{ - struct { - u32 freq_hz; - u32 falc_trace_size; - u32 falc_trace_dma_base; - u32 falc_trace_dma_idx; - bool secure_mode; - } *args = buf; - - args->secure_mode = false; -} - -static int -init_callback(struct nvkm_msgqueue *_queue, struct nvkm_msgqueue_hdr *hdr) -{ - struct msgqueue_0148cdec *priv = msgqueue_0148cdec(_queue); - struct { - struct nvkm_msgqueue_msg base; - - u8 num_queues; - u16 os_debug_entry_point; - - struct { - u32 offset; - u16 size; - u8 index; - u8 id; - } queue_info[MSGQUEUE_0148CDEC_NUM_QUEUES]; - - u16 sw_managed_area_offset; - u16 sw_managed_area_size; - } *init = (void *)hdr; - const struct nvkm_subdev *subdev = _queue->falcon->owner; - int i; - - if (init->base.hdr.unit_id != MSGQUEUE_0148CDEC_UNIT_INIT) { - nvkm_error(subdev, "expected message from init unit\n"); - return -EINVAL; - } - - if (init->base.msg_type != INIT_MSG_INIT) { - nvkm_error(subdev, "expected SEC init msg\n"); - return -EINVAL; - } - - for (i = 0; i < MSGQUEUE_0148CDEC_NUM_QUEUES; i++) { - u8 id = init->queue_info[i].id; - struct nvkm_msgqueue_queue *queue = &priv->queue[id]; - - mutex_init(&queue->mutex); - - queue->index = init->queue_info[i].index; - queue->offset = init->queue_info[i].offset; - queue->size = init->queue_info[i].size; - - if (id == MSGQUEUE_0148CDEC_MESSAGE_QUEUE) { - queue->head_reg = 0xa30 + (queue->index * 8); - queue->tail_reg = 0xa34 + (queue->index * 8); - } else { - queue->head_reg = 0xa00 + (queue->index * 8); - queue->tail_reg = 0xa04 + (queue->index * 8); - } - - nvkm_debug(subdev, - "queue %d: index %d, offset 0x%08x, size 0x%08x\n", - id, queue->index, queue->offset, queue->size); - } - - complete_all(&_queue->init_done); - - return 0; -} - -static const struct nvkm_msgqueue_init_func -msgqueue_0148cdec_init_func = { - .gen_cmdline = init_gen_cmdline, - .init_callback = init_callback, -}; - - - -/* ACR unit */ -#define MSGQUEUE_0148CDEC_UNIT_ACR 0x08 - -enum { - ACR_CMD_BOOTSTRAP_FALCON = 0x00, -}; - -static void -acr_boot_falcon_callback(struct nvkm_msgqueue *priv, - struct nvkm_msgqueue_hdr *hdr) -{ - struct acr_bootstrap_falcon_msg { - struct nvkm_msgqueue_msg base; - - u32 error_code; - u32 falcon_id; - } *msg = (void *)hdr; - const struct nvkm_subdev *subdev = priv->falcon->owner; - u32 falcon_id = msg->falcon_id; - - if (msg->error_code) { - nvkm_error(subdev, "in bootstrap falcon callback:\n"); - nvkm_error(subdev, "expected error code 0x%x\n", - msg->error_code); - return; - } - - if (falcon_id >= NVKM_SECBOOT_FALCON_END) { - nvkm_error(subdev, "in bootstrap falcon callback:\n"); - nvkm_error(subdev, "invalid falcon ID 0x%x\n", falcon_id); - return; - } - - nvkm_debug(subdev, "%s booted\n", nvkm_secboot_falcon_name[falcon_id]); -} - -enum { - ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET_YES = 0, - ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET_NO = 1, -}; - -static int -acr_boot_falcon(struct nvkm_msgqueue *priv, enum nvkm_secboot_falcon falcon) -{ - DECLARE_COMPLETION_ONSTACK(completed); - /* - * flags - Flag specifying RESET or no RESET. - * falcon id - Falcon id specifying falcon to bootstrap. - */ - struct { - struct nvkm_msgqueue_hdr hdr; - u8 cmd_type; - u32 flags; - u32 falcon_id; - } cmd; - - memset(&cmd, 0, sizeof(cmd)); - - cmd.hdr.unit_id = MSGQUEUE_0148CDEC_UNIT_ACR; - cmd.hdr.size = sizeof(cmd); - cmd.cmd_type = ACR_CMD_BOOTSTRAP_FALCON; - cmd.flags = ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET_YES; - cmd.falcon_id = falcon; - nvkm_msgqueue_post(priv, MSGQUEUE_MSG_PRIORITY_HIGH, &cmd.hdr, - acr_boot_falcon_callback, &completed, true); - - if (!wait_for_completion_timeout(&completed, msecs_to_jiffies(1000))) - return -ETIMEDOUT; - - return 0; -} - -const struct nvkm_msgqueue_acr_func -msgqueue_0148cdec_acr_func = { - .boot_falcon = acr_boot_falcon, -}; - -static void -msgqueue_0148cdec_dtor(struct nvkm_msgqueue *queue) -{ - kfree(msgqueue_0148cdec(queue)); -} - -const struct nvkm_msgqueue_func -msgqueue_0148cdec_func = { - .init_func = &msgqueue_0148cdec_init_func, - .acr_func = &msgqueue_0148cdec_acr_func, - .cmd_queue = msgqueue_0148cdec_cmd_queue, - .recv = msgqueue_0148cdec_process_msgs, - .dtor = msgqueue_0148cdec_dtor, -}; - -int -msgqueue_0148cdec_new(struct nvkm_falcon *falcon, const struct nvkm_secboot *sb, - struct nvkm_msgqueue **queue) -{ - struct msgqueue_0148cdec *ret; - - ret = kzalloc(sizeof(*ret), GFP_KERNEL); - if (!ret) - return -ENOMEM; - - *queue = &ret->base; - - nvkm_msgqueue_ctor(&msgqueue_0148cdec_func, falcon, &ret->base); - - return 0; -} |