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path: root/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c')
-rw-r--r--drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c436
1 files changed, 0 insertions, 436 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c b/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c
deleted file mode 100644
index fec0273158f6..000000000000
--- a/drivers/gpu/drm/nouveau/nvkm/falcon/msgqueue_0137c63d.c
+++ /dev/null
@@ -1,436 +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>
-
-/* Queues identifiers */
-enum {
- /* High Priority Command Queue for Host -> PMU communication */
- MSGQUEUE_0137C63D_COMMAND_QUEUE_HPQ = 0,
- /* Low Priority Command Queue for Host -> PMU communication */
- MSGQUEUE_0137C63D_COMMAND_QUEUE_LPQ = 1,
- /* Message queue for PMU -> Host communication */
- MSGQUEUE_0137C63D_MESSAGE_QUEUE = 4,
- MSGQUEUE_0137C63D_NUM_QUEUES = 5,
-};
-
-struct msgqueue_0137c63d {
- struct nvkm_msgqueue base;
-
- struct nvkm_msgqueue_queue queue[MSGQUEUE_0137C63D_NUM_QUEUES];
-};
-#define msgqueue_0137c63d(q) \
- container_of(q, struct msgqueue_0137c63d, base)
-
-struct msgqueue_0137bca5 {
- struct msgqueue_0137c63d base;
-
- u64 wpr_addr;
-};
-#define msgqueue_0137bca5(q) \
- container_of(container_of(q, struct msgqueue_0137c63d, base), \
- struct msgqueue_0137bca5, base);
-
-static struct nvkm_msgqueue_queue *
-msgqueue_0137c63d_cmd_queue(struct nvkm_msgqueue *queue,
- enum msgqueue_msg_priority priority)
-{
- struct msgqueue_0137c63d *priv = msgqueue_0137c63d(queue);
- const struct nvkm_subdev *subdev = priv->base.falcon->owner;
-
- switch (priority) {
- case MSGQUEUE_MSG_PRIORITY_HIGH:
- return &priv->queue[MSGQUEUE_0137C63D_COMMAND_QUEUE_HPQ];
- case MSGQUEUE_MSG_PRIORITY_LOW:
- return &priv->queue[MSGQUEUE_0137C63D_COMMAND_QUEUE_LPQ];
- default:
- nvkm_error(subdev, "invalid command queue!\n");
- return ERR_PTR(-EINVAL);
- }
-}
-
-static void
-msgqueue_0137c63d_process_msgs(struct nvkm_msgqueue *queue)
-{
- struct msgqueue_0137c63d *priv = msgqueue_0137c63d(queue);
- struct nvkm_msgqueue_queue *q_queue =
- &priv->queue[MSGQUEUE_0137C63D_MESSAGE_QUEUE];
-
- nvkm_msgqueue_process_msgs(&priv->base, q_queue);
-}
-
-/* Init unit */
-#define MSGQUEUE_0137C63D_UNIT_INIT 0x07
-
-enum {
- INIT_MSG_INIT = 0x0,
-};
-
-static void
-init_gen_cmdline(struct nvkm_msgqueue *queue, void *buf)
-{
- struct {
- u32 reserved;
- u32 freq_hz;
- u32 trace_size;
- u32 trace_dma_base;
- u16 trace_dma_base1;
- u8 trace_dma_offset;
- u32 trace_dma_idx;
- bool secure_mode;
- bool raise_priv_sec;
- struct {
- u32 dma_base;
- u16 dma_base1;
- u8 dma_offset;
- u16 fb_size;
- u8 dma_idx;
- } gc6_ctx;
- u8 pad;
- } *args = buf;
-
- args->secure_mode = 1;
-}
-
-/* forward declaration */
-static int acr_init_wpr(struct nvkm_msgqueue *queue);
-
-static int
-init_callback(struct nvkm_msgqueue *_queue, struct nvkm_msgqueue_hdr *hdr)
-{
- struct msgqueue_0137c63d *priv = msgqueue_0137c63d(_queue);
- struct {
- struct nvkm_msgqueue_msg base;
-
- u8 pad;
- u16 os_debug_entry_point;
-
- struct {
- u16 size;
- u16 offset;
- u8 index;
- u8 pad;
- } queue_info[MSGQUEUE_0137C63D_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_0137C63D_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 PMU init msg\n");
- return -EINVAL;
- }
-
- for (i = 0; i < MSGQUEUE_0137C63D_NUM_QUEUES; i++) {
- struct nvkm_msgqueue_queue *queue = &priv->queue[i];
-
- 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 (i != MSGQUEUE_0137C63D_MESSAGE_QUEUE) {
- queue->head_reg = 0x4a0 + (queue->index * 4);
- queue->tail_reg = 0x4b0 + (queue->index * 4);
- } else {
- queue->head_reg = 0x4c8;
- queue->tail_reg = 0x4cc;
- }
-
- nvkm_debug(subdev,
- "queue %d: index %d, offset 0x%08x, size 0x%08x\n",
- i, queue->index, queue->offset, queue->size);
- }
-
- /* Complete initialization by initializing WPR region */
- return acr_init_wpr(&priv->base);
-}
-
-static const struct nvkm_msgqueue_init_func
-msgqueue_0137c63d_init_func = {
- .gen_cmdline = init_gen_cmdline,
- .init_callback = init_callback,
-};
-
-
-
-/* ACR unit */
-#define MSGQUEUE_0137C63D_UNIT_ACR 0x0a
-
-enum {
- ACR_CMD_INIT_WPR_REGION = 0x00,
- ACR_CMD_BOOTSTRAP_FALCON = 0x01,
- ACR_CMD_BOOTSTRAP_MULTIPLE_FALCONS = 0x03,
-};
-
-static void
-acr_init_wpr_callback(struct nvkm_msgqueue *queue,
- struct nvkm_msgqueue_hdr *hdr)
-{
- struct {
- struct nvkm_msgqueue_msg base;
- u32 error_code;
- } *msg = (void *)hdr;
- const struct nvkm_subdev *subdev = queue->falcon->owner;
-
- if (msg->error_code) {
- nvkm_error(subdev, "ACR WPR init failure: %d\n",
- msg->error_code);
- return;
- }
-
- nvkm_debug(subdev, "ACR WPR init complete\n");
- complete_all(&queue->init_done);
-}
-
-static int
-acr_init_wpr(struct nvkm_msgqueue *queue)
-{
- /*
- * region_id: region ID in WPR region
- * wpr_offset: offset in WPR region
- */
- struct {
- struct nvkm_msgqueue_hdr hdr;
- u8 cmd_type;
- u32 region_id;
- u32 wpr_offset;
- } cmd;
- memset(&cmd, 0, sizeof(cmd));
-
- cmd.hdr.unit_id = MSGQUEUE_0137C63D_UNIT_ACR;
- cmd.hdr.size = sizeof(cmd);
- cmd.cmd_type = ACR_CMD_INIT_WPR_REGION;
- cmd.region_id = 0x01;
- cmd.wpr_offset = 0x00;
-
- nvkm_msgqueue_post(queue, MSGQUEUE_MSG_PRIORITY_HIGH, &cmd.hdr,
- acr_init_wpr_callback, NULL, false);
-
- return 0;
-}
-
-
-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 falcon_id;
- } *msg = (void *)hdr;
- const struct nvkm_subdev *subdev = priv->falcon->owner;
- u32 falcon_id = msg->falcon_id;
-
- 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_0137C63D_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;
-}
-
-static void
-acr_boot_multiple_falcons_callback(struct nvkm_msgqueue *priv,
- struct nvkm_msgqueue_hdr *hdr)
-{
- struct acr_bootstrap_falcon_msg {
- struct nvkm_msgqueue_msg base;
-
- u32 falcon_mask;
- } *msg = (void *)hdr;
- const struct nvkm_subdev *subdev = priv->falcon->owner;
- unsigned long falcon_mask = msg->falcon_mask;
- u32 falcon_id, falcon_treated = 0;
-
- for_each_set_bit(falcon_id, &falcon_mask, NVKM_SECBOOT_FALCON_END) {
- nvkm_debug(subdev, "%s booted\n",
- nvkm_secboot_falcon_name[falcon_id]);
- falcon_treated |= BIT(falcon_id);
- }
-
- if (falcon_treated != msg->falcon_mask) {
- nvkm_error(subdev, "in bootstrap falcon callback:\n");
- nvkm_error(subdev, "invalid falcon mask 0x%x\n",
- msg->falcon_mask);
- return;
- }
-}
-
-static int
-acr_boot_multiple_falcons(struct nvkm_msgqueue *priv, unsigned long falcon_mask)
-{
- 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_mask;
- u32 use_va_mask;
- u32 wpr_lo;
- u32 wpr_hi;
- } cmd;
- struct msgqueue_0137bca5 *queue = msgqueue_0137bca5(priv);
-
- memset(&cmd, 0, sizeof(cmd));
-
- cmd.hdr.unit_id = MSGQUEUE_0137C63D_UNIT_ACR;
- cmd.hdr.size = sizeof(cmd);
- cmd.cmd_type = ACR_CMD_BOOTSTRAP_MULTIPLE_FALCONS;
- cmd.flags = ACR_CMD_BOOTSTRAP_FALCON_FLAGS_RESET_YES;
- cmd.falcon_mask = falcon_mask;
- cmd.wpr_lo = lower_32_bits(queue->wpr_addr);
- cmd.wpr_hi = upper_32_bits(queue->wpr_addr);
- nvkm_msgqueue_post(priv, MSGQUEUE_MSG_PRIORITY_HIGH, &cmd.hdr,
- acr_boot_multiple_falcons_callback, &completed, true);
-
- if (!wait_for_completion_timeout(&completed, msecs_to_jiffies(1000)))
- return -ETIMEDOUT;
-
- return 0;
-}
-
-static const struct nvkm_msgqueue_acr_func
-msgqueue_0137c63d_acr_func = {
- .boot_falcon = acr_boot_falcon,
-};
-
-static const struct nvkm_msgqueue_acr_func
-msgqueue_0137bca5_acr_func = {
- .boot_falcon = acr_boot_falcon,
- .boot_multiple_falcons = acr_boot_multiple_falcons,
-};
-
-static void
-msgqueue_0137c63d_dtor(struct nvkm_msgqueue *queue)
-{
- kfree(msgqueue_0137c63d(queue));
-}
-
-static const struct nvkm_msgqueue_func
-msgqueue_0137c63d_func = {
- .init_func = &msgqueue_0137c63d_init_func,
- .acr_func = &msgqueue_0137c63d_acr_func,
- .cmd_queue = msgqueue_0137c63d_cmd_queue,
- .recv = msgqueue_0137c63d_process_msgs,
- .dtor = msgqueue_0137c63d_dtor,
-};
-
-int
-msgqueue_0137c63d_new(struct nvkm_falcon *falcon, const struct nvkm_secboot *sb,
- struct nvkm_msgqueue **queue)
-{
- struct msgqueue_0137c63d *ret;
-
- ret = kzalloc(sizeof(*ret), GFP_KERNEL);
- if (!ret)
- return -ENOMEM;
-
- *queue = &ret->base;
-
- nvkm_msgqueue_ctor(&msgqueue_0137c63d_func, falcon, &ret->base);
-
- return 0;
-}
-
-static const struct nvkm_msgqueue_func
-msgqueue_0137bca5_func = {
- .init_func = &msgqueue_0137c63d_init_func,
- .acr_func = &msgqueue_0137bca5_acr_func,
- .cmd_queue = msgqueue_0137c63d_cmd_queue,
- .recv = msgqueue_0137c63d_process_msgs,
- .dtor = msgqueue_0137c63d_dtor,
-};
-
-int
-msgqueue_0137bca5_new(struct nvkm_falcon *falcon, const struct nvkm_secboot *sb,
- struct nvkm_msgqueue **queue)
-{
- struct msgqueue_0137bca5 *ret;
-
- ret = kzalloc(sizeof(*ret), GFP_KERNEL);
- if (!ret)
- return -ENOMEM;
-
- *queue = &ret->base.base;
-
- /*
- * FIXME this must be set to the address of a *GPU* mapping within the
- * ACR address space!
- */
- /* ret->wpr_addr = sb->wpr_addr; */
-
- nvkm_msgqueue_ctor(&msgqueue_0137bca5_func, falcon, &ret->base.base);
-
- return 0;
-}