#include <linux/init.h>
#include <linux/device.h>
#include <linux/ioctl.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/pm_runtime.h>
#include <media/v4l2-device.h>
#include <linux/debugfs.h>
#include "vpu.h"
#include "vpu_defs.h"
#include "vpu_core.h"
#include "vpu_helpers.h"
#include "vpu_cmds.h"
#include "vpu_rpc.h"
#include "vpu_v4l2.h"
struct print_buf_desc {
u32 start_h_phy;
u32 start_h_vir;
u32 start_m;
u32 bytes;
u32 read;
u32 write;
char buffer[];
};
static char *vb2_stat_name[] = {
[VB2_BUF_STATE_DEQUEUED] = "dequeued",
[VB2_BUF_STATE_IN_REQUEST] = "in_request",
[VB2_BUF_STATE_PREPARING] = "preparing",
[VB2_BUF_STATE_QUEUED] = "queued",
[VB2_BUF_STATE_ACTIVE] = "active",
[VB2_BUF_STATE_DONE] = "done",
[VB2_BUF_STATE_ERROR] = "error",
};
static char *vpu_stat_name[] = {
[VPU_BUF_STATE_IDLE] = "idle",
[VPU_BUF_STATE_INUSE] = "inuse",
[VPU_BUF_STATE_DECODED] = "decoded",
[VPU_BUF_STATE_READY] = "ready",
[VPU_BUF_STATE_SKIP] = "skip",
[VPU_BUF_STATE_ERROR] = "error",
};
static inline const char *to_vpu_stat_name(int state)
{
if (state <= VPU_BUF_STATE_ERROR)
return vpu_stat_name[state];
return "unknown";
}
static int vpu_dbg_instance(struct seq_file *s, void *data)
{
struct vpu_inst *inst = s->private;
char str[128];
int num;
struct vb2_queue *vq;
int i;
if (!inst->fh.m2m_ctx)
return 0;
num = scnprintf(str, sizeof(str), "[%s]\n", vpu_core_type_desc(inst->type));
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "tgig = %d,pid = %d\n", inst->tgid, inst->pid);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "state = %s\n", vpu_codec_state_name(inst->state));
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str),
"min_buffer_out = %d, min_buffer_cap = %d\n",
inst->min_buffer_out, inst->min_buffer_cap);
if (seq_write(s, str, num))
return 0;
vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx);
num = scnprintf(str, sizeof(str),
"output (%2d, %2d): fmt = %c%c%c%c %d x %d, %d;",
vb2_is_streaming(vq),
vq->num_buffers,
inst->out_format.pixfmt,
inst->out_format.pixfmt >> 8,
inst->out_format.pixfmt >> 16,
inst->out_format.pixfmt >> 24,
inst->out_format.width,
inst->out_format.height,
vq->last_buffer_dequeued);
if (seq_write(s, str, num))
return 0;
for (i = 0; i < inst->out_format.mem_planes; i++) {
num = scnprintf(str, sizeof(str), " %d(%d)",
vpu_get_fmt_plane_size(&inst->out_format, i),
inst->out_format.bytesperline[i]);
if (seq_write(s, str, num))
return 0;
}
if (seq_write(s, "\n", 1))
return 0;
vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx);
num = scnprintf(str, sizeof(str),
"capture(%2d, %2d): fmt = %c%c%c%c %d x %d, %d;",
vb2_is_streaming(vq),
vq->num_buffers,
inst->cap_format.pixfmt,
inst->cap_format.pixfmt >> 8,
inst->cap_format.pixfmt >> 16,
inst->cap_format.pixfmt >> 24,
inst->cap_format.width,
inst->cap_format.height,
vq->last_buffer_dequeued);
if (seq_write(s, str, num))
return 0;
for (i = 0; i < inst->cap_format.mem_planes; i++) {
num = scnprintf(str, sizeof(str), " %d(%d)",
vpu_get_fmt_plane_size(&inst->cap_format, i),
inst->cap_format.bytesperline[i]);
if (seq_write(s, str, num))
return 0;
}
if (seq_write(s, "\n", 1))
return 0;
num = scnprintf(str, sizeof(str), "crop: (%d, %d) %d x %d\n",
inst->crop.left,
inst->crop.top,
inst->crop.width,
inst->crop.height);
if (seq_write(s, str, num))
return 0;
vq = v4l2_m2m_get_src_vq(inst->fh.m2m_ctx);
for (i = 0; i < vq->num_buffers; i++) {
struct vb2_buffer *vb = vq->bufs[i];
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
if (vb->state == VB2_BUF_STATE_DEQUEUED)
continue;
num = scnprintf(str, sizeof(str),
"output [%2d] state = %10s, %8s\n",
i, vb2_stat_name[vb->state],
to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
if (seq_write(s, str, num))
return 0;
}
vq = v4l2_m2m_get_dst_vq(inst->fh.m2m_ctx);
for (i = 0; i < vq->num_buffers; i++) {
struct vb2_buffer *vb = vq->bufs[i];
struct vb2_v4l2_buffer *vbuf = to_vb2_v4l2_buffer(vb);
if (vb->state == VB2_BUF_STATE_DEQUEUED)
continue;
num = scnprintf(str, sizeof(str),
"capture[%2d] state = %10s, %8s\n",
i, vb2_stat_name[vb->state],
to_vpu_stat_name(vpu_get_buffer_state(vbuf)));
if (seq_write(s, str, num))
return 0;
}
num = scnprintf(str, sizeof(str), "sequence = %d\n", inst->sequence);
if (seq_write(s, str, num))
return 0;
if (inst->use_stream_buffer) {
num = scnprintf(str, sizeof(str), "stream_buffer = %d / %d, <%pad, 0x%x>\n",
vpu_helper_get_used_space(inst),
inst->stream_buffer.length,
&inst->stream_buffer.phys,
inst->stream_buffer.length);
if (seq_write(s, str, num))
return 0;
}
num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&inst->msg_fifo));
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "flow :\n");
if (seq_write(s, str, num))
return 0;
mutex_lock(&inst->core->cmd_lock);
for (i = 0; i < ARRAY_SIZE(inst->flows); i++) {
u32 idx = (inst->flow_idx + i) % (ARRAY_SIZE(inst->flows));
if (!inst->flows[idx])
continue;
num = scnprintf(str, sizeof(str), "\t[%s] %s\n",
inst->flows[idx] >= VPU_MSG_ID_NOOP ? "M" : "C",
vpu_id_name(inst->flows[idx]));
if (seq_write(s, str, num)) {
mutex_unlock(&inst->core->cmd_lock);
return 0;
}
}
mutex_unlock(&inst->core->cmd_lock);
i = 0;
while (true) {
num = call_vop(inst, get_debug_info, str, sizeof(str), i++);
if (num <= 0)
break;
if (seq_write(s, str, num))
return 0;
}
return 0;
}
static int vpu_dbg_core(struct seq_file *s, void *data)
{
struct vpu_core *core = s->private;
struct vpu_shared_addr *iface = core->iface;
char str[128];
int num;
num = scnprintf(str, sizeof(str), "[%s]\n", vpu_core_type_desc(core->type));
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "boot_region = <%pad, 0x%x>\n",
&core->fw.phys, core->fw.length);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "rpc_region = <%pad, 0x%x> used = 0x%x\n",
&core->rpc.phys, core->rpc.length, core->rpc.bytesused);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "fwlog_region = <%pad, 0x%x>\n",
&core->log.phys, core->log.length);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "power %s\n",
vpu_iface_get_power_state(core) ? "on" : "off");
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "state = %d\n", core->state);
if (seq_write(s, str, num))
return 0;
if (core->state == VPU_CORE_DEINIT)
return 0;
num = scnprintf(str, sizeof(str), "fw version = %d.%d.%d\n",
(core->fw_version >> 16) & 0xff,
(core->fw_version >> 8) & 0xff,
core->fw_version & 0xff);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "instances = %d/%d (0x%02lx), %d\n",
hweight32(core->instance_mask),
core->supported_instance_count,
core->instance_mask,
core->request_count);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str), "kfifo len = 0x%x\n", kfifo_len(&core->msg_fifo));
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str),
"cmd_buf:[0x%x, 0x%x], wptr = 0x%x, rptr = 0x%x\n",
iface->cmd_desc->start,
iface->cmd_desc->end,
iface->cmd_desc->wptr,
iface->cmd_desc->rptr);
if (seq_write(s, str, num))
return 0;
num = scnprintf(str, sizeof(str),
"msg_buf:[0x%x, 0x%x], wptr = 0x%x, rptr = 0x%x\n",
iface->msg_desc->start,
iface->msg_desc->end,
iface->msg_desc->wptr,
iface->msg_desc->rptr);
if (seq_write(s, str, num))
return 0;
return 0;
}
static int vpu_dbg_fwlog(struct seq_file *s, void *data)
{
struct vpu_core *core = s->private;
struct print_buf_desc *print_buf;
int length;
u32 rptr;
u32 wptr;
int ret = 0;
if (!core->log.virt || core->state == VPU_CORE_DEINIT)
return 0;
print_buf = core->log.virt;
rptr = print_buf->read;
wptr = print_buf->write;
if (rptr == wptr)
return 0;
else if (rptr < wptr)
length = wptr - rptr;
else
length = print_buf->bytes + wptr - rptr;
if (s->count + length >= s->size) {
s->count = s->size;
return 0;
}
if (rptr + length >= print_buf->bytes) {
int num = print_buf->bytes - rptr;
if (seq_write(s, print_buf->buffer + rptr, num))
ret = -1;
length -= num;
rptr = 0;
}
if (length) {
if (seq_write(s, print_buf->buffer + rptr, length))
ret = -1;
rptr += length;
}
if (!ret)
print_buf->read = rptr;
return 0;
}
static int vpu_dbg_inst_open(struct inode *inode, struct file *filp)
{
return single_open(filp, vpu_dbg_instance, inode->i_private);
}
static ssize_t vpu_dbg_inst_write(struct file *file,
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));
}