495 lines
12 KiB
C
495 lines
12 KiB
C
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2020-2021 NXP
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*/
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#include <linux/init.h>
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#include <linux/device.h>
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#include <linux/ioctl.h>
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#include <linux/list.h>
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/types.h>
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#include <linux/pm_runtime.h>
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#include <media/v4l2-device.h>
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#include <linux/debugfs.h>
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#include "vpu.h"
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#include "vpu_defs.h"
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#include "vpu_core.h"
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#include "vpu_helpers.h"
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#include "vpu_cmds.h"
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#include "vpu_rpc.h"
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#include "vpu_v4l2.h"
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struct print_buf_desc {
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u32 start_h_phy;
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u32 start_h_vir;
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u32 start_m;
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u32 bytes;
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u32 read;
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u32 write;
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char buffer[];
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};
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static char *vb2_stat_name[] = {
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[VB2_BUF_STATE_DEQUEUED] = "dequeued",
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[VB2_BUF_STATE_IN_REQUEST] = "in_request",
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[VB2_BUF_STATE_PREPARING] = "preparing",
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[VB2_BUF_STATE_QUEUED] = "queued",
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[VB2_BUF_STATE_ACTIVE] = "active",
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[VB2_BUF_STATE_DONE] = "done",
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[VB2_BUF_STATE_ERROR] = "error",
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};
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static char *vpu_stat_name[] = {
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[VPU_BUF_STATE_IDLE] = "idle",
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[VPU_BUF_STATE_INUSE] = "inuse",
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[VPU_BUF_STATE_DECODED] = "decoded",
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[VPU_BUF_STATE_READY] = "ready",
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[VPU_BUF_STATE_SKIP] = "skip",
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[VPU_BUF_STATE_ERROR] = "error",
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};
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static inline const char *to_vpu_stat_name(int state)
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{
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if (state <= VPU_BUF_STATE_ERROR)
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return vpu_stat_name[state];
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return "unknown";
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}
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static int vpu_dbg_instance(struct seq_file *s, void *data)
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{
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struct vpu_inst *inst = s->private;
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char str[128];
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int num;
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struct vb2_queue *vq;
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int i;
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if (!inst->fh.m2m_ctx)
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return 0;
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num = scnprintf(str, sizeof(str), "[%s]\n", vpu_core_type_desc(inst->type));
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "tgig = %d,pid = %d\n", inst->tgid, inst->pid);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "state = %s\n", vpu_codec_state_name(inst->state));
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str),
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"min_buffer_out = %d, min_buffer_cap = %d\n",
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inst->min_buffer_out, inst->min_buffer_cap);
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if (seq_write(s, str, num))
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return 0;
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vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx);
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num = scnprintf(str, sizeof(str),
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"output (%2d, %2d): fmt = %c%c%c%c %d x %d, %d;",
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vb2_is_streaming(vq),
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vq->num_buffers,
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inst->out_format.pixfmt,
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inst->out_format.pixfmt >> 8,
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inst->out_format.pixfmt >> 16,
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inst->out_format.pixfmt >> 24,
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inst->out_format.width,
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inst->out_format.height,
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vq->last_buffer_dequeued);
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if (seq_write(s, str, num))
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return 0;
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for (i = 0; i < inst->out_format.num_planes; i++) {
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num = scnprintf(str, sizeof(str), " %d(%d)",
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inst->out_format.sizeimage[i],
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inst->out_format.bytesperline[i]);
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if (seq_write(s, str, num))
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return 0;
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}
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if (seq_write(s, "\n", 1))
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return 0;
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vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx);
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num = scnprintf(str, sizeof(str),
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"capture(%2d, %2d): fmt = %c%c%c%c %d x %d, %d;",
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vb2_is_streaming(vq),
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vq->num_buffers,
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inst->cap_format.pixfmt,
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inst->cap_format.pixfmt >> 8,
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inst->cap_format.pixfmt >> 16,
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inst->cap_format.pixfmt >> 24,
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inst->cap_format.width,
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inst->cap_format.height,
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vq->last_buffer_dequeued);
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if (seq_write(s, str, num))
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return 0;
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for (i = 0; i < inst->cap_format.num_planes; i++) {
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num = scnprintf(str, sizeof(str), " %d(%d)",
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inst->cap_format.sizeimage[i],
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inst->cap_format.bytesperline[i]);
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if (seq_write(s, str, num))
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return 0;
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}
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if (seq_write(s, "\n", 1))
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return 0;
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num = scnprintf(str, sizeof(str), "crop: (%d, %d) %d x %d\n",
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inst->crop.left,
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inst->crop.top,
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inst->crop.width,
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inst->crop.height);
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if (seq_write(s, str, num))
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return 0;
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vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx);
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for (i = 0; i < vq->num_buffers; i++) {
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struct vb2_buffer *vb = vq->bufs[i];
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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if (vb->state == VB2_BUF_STATE_DEQUEUED)
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continue;
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num = scnprintf(str, sizeof(str),
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"output [%2d] state = %10s, %8s\n",
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i, vb2_stat_name[vb->state],
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to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
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if (seq_write(s, str, num))
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return 0;
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}
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vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx);
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for (i = 0; i < vq->num_buffers; i++) {
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struct vb2_buffer *vb = vq->bufs[i];
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struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
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if (vb->state == VB2_BUF_STATE_DEQUEUED)
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continue;
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num = scnprintf(str, sizeof(str),
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"capture[%2d] state = %10s, %8s\n",
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i, vb2_stat_name[vb->state],
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to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
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if (seq_write(s, str, num))
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return 0;
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}
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num = scnprintf(str, sizeof(str), "sequence = %d\n", inst->sequence);
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if (seq_write(s, str, num))
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return 0;
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if (inst->use_stream_buffer) {
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num = scnprintf(str, sizeof(str), "stream_buffer = %d / %d, <%pad, 0x%x>\n",
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vpu_helper_get_used_space(inst),
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inst->stream_buffer.length,
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&inst->stream_buffer.phys,
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inst->stream_buffer.length);
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if (seq_write(s, str, num))
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return 0;
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}
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num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&inst->msg_fifo));
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "flow :\n");
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if (seq_write(s, str, num))
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return 0;
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mutex_lock(&inst->core->cmd_lock);
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for (i = 0; i < ARRAY_SIZE(inst->flows); i++) {
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u32 idx = (inst->flow_idx + i) % (ARRAY_SIZE(inst->flows));
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if (!inst->flows[idx])
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continue;
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num = scnprintf(str, sizeof(str), "\t[%s] %s\n",
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inst->flows[idx] >= VPU_MSG_ID_NOOP ? "M" : "C",
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vpu_id_name(inst->flows[idx]));
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if (seq_write(s, str, num)) {
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mutex_unlock(&inst->core->cmd_lock);
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return 0;
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}
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}
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mutex_unlock(&inst->core->cmd_lock);
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i = 0;
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while (true) {
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num = call_vop(inst, get_debug_info, str, sizeof(str), i++);
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if (num <= 0)
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break;
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if (seq_write(s, str, num))
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return 0;
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}
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return 0;
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}
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static int vpu_dbg_core(struct seq_file *s, void *data)
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{
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struct vpu_core *core = s->private;
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struct vpu_shared_addr *iface = core->iface;
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char str[128];
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int num;
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num = scnprintf(str, sizeof(str), "[%s]\n", vpu_core_type_desc(core->type));
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "boot_region = <%pad, 0x%x>\n",
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&core->fw.phys, core->fw.length);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "rpc_region = <%pad, 0x%x> used = 0x%x\n",
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&core->rpc.phys, core->rpc.length, core->rpc.bytesused);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "fwlog_region = <%pad, 0x%x>\n",
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&core->log.phys, core->log.length);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "power %s\n",
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vpu_iface_get_power_state(core) ? "on" : "off");
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "state = %d\n", core->state);
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if (seq_write(s, str, num))
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return 0;
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if (core->state == VPU_CORE_DEINIT)
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return 0;
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num = scnprintf(str, sizeof(str), "fw version = %d.%d.%d\n",
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(core->fw_version >> 16) & 0xff,
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(core->fw_version >> 8) & 0xff,
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core->fw_version & 0xff);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "instances = %d/%d (0x%02lx), %d\n",
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hweight32(core->instance_mask),
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core->supported_instance_count,
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core->instance_mask,
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core->request_count);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&core->msg_fifo));
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str),
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"cmd_buf:[0x%x, 0x%x], wptr = 0x%x, rptr = 0x%x\n",
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iface->cmd_desc->start,
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iface->cmd_desc->end,
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iface->cmd_desc->wptr,
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iface->cmd_desc->rptr);
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if (seq_write(s, str, num))
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return 0;
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num = scnprintf(str, sizeof(str),
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"msg_buf:[0x%x, 0x%x], wptr = 0x%x, rptr = 0x%x\n",
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iface->msg_desc->start,
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iface->msg_desc->end,
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iface->msg_desc->wptr,
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iface->msg_desc->rptr);
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if (seq_write(s, str, num))
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return 0;
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return 0;
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}
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static int vpu_dbg_fwlog(struct seq_file *s, void *data)
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{
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struct vpu_core *core = s->private;
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struct print_buf_desc *print_buf;
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int length;
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u32 rptr;
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u32 wptr;
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int ret = 0;
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if (!core->log.virt || core->state == VPU_CORE_DEINIT)
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return 0;
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print_buf = core->log.virt;
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rptr = print_buf->read;
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wptr = print_buf->write;
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if (rptr == wptr)
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return 0;
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else if (rptr < wptr)
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length = wptr - rptr;
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else
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length = print_buf->bytes + wptr - rptr;
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if (s->count + length >= s->size) {
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s->count = s->size;
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return 0;
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}
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if (rptr + length >= print_buf->bytes) {
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int num = print_buf->bytes - rptr;
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if (seq_write(s, print_buf->buffer + rptr, num))
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ret = -1;
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length -= num;
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rptr = 0;
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}
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if (length) {
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if (seq_write(s, print_buf->buffer + rptr, length))
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ret = -1;
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rptr += length;
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}
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if (!ret)
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print_buf->read = rptr;
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return 0;
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}
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static int vpu_dbg_inst_open(struct inode *inode, struct file *filp)
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{
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return single_open(filp, vpu_dbg_instance, inode->i_private);
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}
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static ssize_t vpu_dbg_inst_write(struct file *file,
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const char __user *user_buf, size_t size, loff_t *ppos)
|
||
|
|
{
|
||
|
|
struct seq_file *s = file->private_data;
|
||
|
|
struct vpu_inst *inst = s->private;
|
||
|
|
|
||
|
|
vpu_session_debug(inst);
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
static ssize_t vpu_dbg_core_write(struct file *file,
|
||
|
|
const char __user *user_buf, size_t size, loff_t *ppos)
|
||
|
|
{
|
||
|
|
struct seq_file *s = file->private_data;
|
||
|
|
struct vpu_core *core = s->private;
|
||
|
|
|
||
|
|
pm_runtime_resume_and_get(core->dev);
|
||
|
|
mutex_lock(&core->lock);
|
||
|
|
if (vpu_iface_get_power_state(core) && !core->request_count) {
|
||
|
|
dev_info(core->dev, "reset\n");
|
||
|
|
if (!vpu_core_sw_reset(core)) {
|
||
|
|
vpu_core_set_state(core, VPU_CORE_ACTIVE);
|
||
|
|
core->hang_mask = 0;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
mutex_unlock(&core->lock);
|
||
|
|
pm_runtime_put_sync(core->dev);
|
||
|
|
|
||
|
|
return size;
|
||
|
|
}
|
||
|
|
|
||
|
|
static int vpu_dbg_core_open(struct inode *inode, struct file *filp)
|
||
|
|
{
|
||
|
|
return single_open(filp, vpu_dbg_core, inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
static int vpu_dbg_fwlog_open(struct inode *inode, struct file *filp)
|
||
|
|
{
|
||
|
|
return single_open(filp, vpu_dbg_fwlog, inode->i_private);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct file_operations vpu_dbg_inst_fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.open = vpu_dbg_inst_open,
|
||
|
|
.release = single_release,
|
||
|
|
.read = seq_read,
|
||
|
|
.write = vpu_dbg_inst_write,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct file_operations vpu_dbg_core_fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.open = vpu_dbg_core_open,
|
||
|
|
.release = single_release,
|
||
|
|
.read = seq_read,
|
||
|
|
.write = vpu_dbg_core_write,
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct file_operations vpu_dbg_fwlog_fops = {
|
||
|
|
.owner = THIS_MODULE,
|
||
|
|
.open = vpu_dbg_fwlog_open,
|
||
|
|
.release = single_release,
|
||
|
|
.read = seq_read,
|
||
|
|
};
|
||
|
|
|
||
|
|
int vpu_inst_create_dbgfs_file(struct vpu_inst *inst)
|
||
|
|
{
|
||
|
|
struct vpu_dev *vpu;
|
||
|
|
char name[64];
|
||
|
|
|
||
|
|
if (!inst || !inst->core || !inst->core->vpu)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
vpu = inst->core->vpu;
|
||
|
|
if (!vpu->debugfs)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (inst->debugfs)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
scnprintf(name, sizeof(name), "instance.%d.%d", inst->core->id, inst->id);
|
||
|
|
inst->debugfs = debugfs_create_file((const char *)name,
|
||
|
|
VERIFY_OCTAL_PERMISSIONS(0644),
|
||
|
|
vpu->debugfs,
|
||
|
|
inst,
|
||
|
|
&vpu_dbg_inst_fops);
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int vpu_inst_remove_dbgfs_file(struct vpu_inst *inst)
|
||
|
|
{
|
||
|
|
if (!inst)
|
||
|
|
return 0;
|
||
|
|
|
||
|
|
debugfs_remove(inst->debugfs);
|
||
|
|
inst->debugfs = NULL;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int vpu_core_create_dbgfs_file(struct vpu_core *core)
|
||
|
|
{
|
||
|
|
struct vpu_dev *vpu;
|
||
|
|
char name[64];
|
||
|
|
|
||
|
|
if (!core || !core->vpu)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
vpu = core->vpu;
|
||
|
|
if (!vpu->debugfs)
|
||
|
|
return -EINVAL;
|
||
|
|
|
||
|
|
if (!core->debugfs) {
|
||
|
|
scnprintf(name, sizeof(name), "core.%d", core->id);
|
||
|
|
core->debugfs = debugfs_create_file((const char *)name,
|
||
|
|
VERIFY_OCTAL_PERMISSIONS(0644),
|
||
|
|
vpu->debugfs,
|
||
|
|
core,
|
||
|
|
&vpu_dbg_core_fops);
|
||
|
|
}
|
||
|
|
if (!core->debugfs_fwlog) {
|
||
|
|
scnprintf(name, sizeof(name), "fwlog.%d", core->id);
|
||
|
|
core->debugfs_fwlog = debugfs_create_file((const char *)name,
|
||
|
|
VERIFY_OCTAL_PERMISSIONS(0444),
|
||
|
|
vpu->debugfs,
|
||
|
|
core,
|
||
|
|
&vpu_dbg_fwlog_fops);
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
int vpu_core_remove_dbgfs_file(struct vpu_core *core)
|
||
|
|
{
|
||
|
|
if (!core)
|
||
|
|
return 0;
|
||
|
|
debugfs_remove(core->debugfs);
|
||
|
|
core->debugfs = NULL;
|
||
|
|
debugfs_remove(core->debugfs_fwlog);
|
||
|
|
core->debugfs_fwlog = NULL;
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void vpu_inst_record_flow(struct vpu_inst *inst, u32 flow)
|
||
|
|
{
|
||
|
|
if (!inst)
|
||
|
|
return;
|
||
|
|
|
||
|
|
inst->flows[inst->flow_idx] = flow;
|
||
|
|
inst->flow_idx = (inst->flow_idx + 1) % (ARRAY_SIZE(inst->flows));
|
||
|
|
}
|