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// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2010 Google, Inc.
* Author: Erik Gilling <konkers@android.com>
*
* Copyright (C) 2011-2013 NVIDIA Corporation
*/
#include "../dev.h"
#include "../debug.h"
#include "../cdma.h"
#include "../channel.h"
#define HOST1X_DEBUG_MAX_PAGE_OFFSET 102400
enum {
HOST1X_OPCODE_SETCLASS = 0x00,
HOST1X_OPCODE_INCR = 0x01,
HOST1X_OPCODE_NONINCR = 0x02,
HOST1X_OPCODE_MASK = 0x03,
HOST1X_OPCODE_IMM = 0x04,
HOST1X_OPCODE_RESTART = 0x05,
HOST1X_OPCODE_GATHER = 0x06,
HOST1X_OPCODE_SETSTRMID = 0x07,
HOST1X_OPCODE_SETAPPID = 0x08,
HOST1X_OPCODE_SETPYLD = 0x09,
HOST1X_OPCODE_INCR_W = 0x0a,
HOST1X_OPCODE_NONINCR_W = 0x0b,
HOST1X_OPCODE_GATHER_W = 0x0c,
HOST1X_OPCODE_RESTART_W = 0x0d,
HOST1X_OPCODE_EXTEND = 0x0e,
};
enum {
HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK = 0x00,
HOST1X_OPCODE_EXTEND_RELEASE_MLOCK = 0x01,
};
#define INVALID_PAYLOAD 0xffffffff
static unsigned int show_channel_command(struct output *o, u32 val,
u32 *payload)
{
unsigned int mask, subop, num, opcode;
opcode = val >> 28;
switch (opcode) {
case HOST1X_OPCODE_SETCLASS:
mask = val & 0x3f;
if (mask) {
host1x_debug_cont(o, "SETCL(class=%03x, offset=%03x, mask=%02x, [",
val >> 6 & 0x3ff,
val >> 16 & 0xfff, mask);
return hweight8(mask);
}
host1x_debug_cont(o, "SETCL(class=%03x)\n", val >> 6 & 0x3ff);
return 0;
case HOST1X_OPCODE_INCR:
num = val & 0xffff;
host1x_debug_cont(o, "INCR(offset=%03x, [",
val >> 16 & 0xfff);
if (!num)
host1x_debug_cont(o, "])\n");
return num;
case HOST1X_OPCODE_NONINCR:
num = val & 0xffff;
host1x_debug_cont(o, "NONINCR(offset=%03x, [",
val >> 16 & 0xfff);
if (!num)
host1x_debug_cont(o, "])\n");
return num;
case HOST1X_OPCODE_MASK:
mask = val & 0xffff;
host1x_debug_cont(o, "MASK(offset=%03x, mask=%03x, [",
val >> 16 & 0xfff, mask);
if (!mask)
host1x_debug_cont(o, "])\n");
return hweight16(mask);
case HOST1X_OPCODE_IMM:
host1x_debug_cont(o, "IMM(offset=%03x, data=%03x)\n",
val >> 16 & 0xfff, val & 0xffff);
return 0;
case HOST1X_OPCODE_RESTART:
host1x_debug_cont(o, "RESTART(offset=%08x)\n", val << 4);
return 0;
case HOST1X_OPCODE_GATHER:
host1x_debug_cont(o, "GATHER(offset=%03x, insert=%d, type=%d, count=%04x, addr=[",
val >> 16 & 0xfff, val >> 15 & 0x1,
val >> 14 & 0x1, val & 0x3fff);
return 1;
#if HOST1X_HW >= 6
case HOST1X_OPCODE_SETSTRMID:
host1x_debug_cont(o, "SETSTRMID(offset=%06x)\n",
val & 0x3fffff);
return 0;
case HOST1X_OPCODE_SETAPPID:
host1x_debug_cont(o, "SETAPPID(appid=%02x)\n", val & 0xff);
return 0;
case HOST1X_OPCODE_SETPYLD:
*payload = val & 0xffff;
host1x_debug_cont(o, "SETPYLD(data=%04x)\n", *payload);
return 0;
case HOST1X_OPCODE_INCR_W:
case HOST1X_OPCODE_NONINCR_W:
host1x_debug_cont(o, "%s(offset=%06x, ",
opcode == HOST1X_OPCODE_INCR_W ?
"INCR_W" : "NONINCR_W",
val & 0x3fffff);
if (*payload == 0) {
host1x_debug_cont(o, "[])\n");
return 0;
} else if (*payload == INVALID_PAYLOAD) {
host1x_debug_cont(o, "unknown)\n");
return 0;
} else {
host1x_debug_cont(o, "[");
return *payload;
}
case HOST1X_OPCODE_GATHER_W:
host1x_debug_cont(o, "GATHER_W(count=%04x, addr=[",
val & 0x3fff);
return 2;
#endif
case HOST1X_OPCODE_EXTEND:
subop = val >> 24 & 0xf;
if (subop == HOST1X_OPCODE_EXTEND_ACQUIRE_MLOCK)
host1x_debug_cont(o, "ACQUIRE_MLOCK(index=%d)\n",
val & 0xff);
else if (subop == HOST1X_OPCODE_EXTEND_RELEASE_MLOCK)
host1x_debug_cont(o, "RELEASE_MLOCK(index=%d)\n",
val & 0xff);
else
host1x_debug_cont(o, "EXTEND_UNKNOWN(%08x)\n", val);
return 0;
default:
host1x_debug_cont(o, "UNKNOWN\n");
return 0;
}
}
static void show_gather(struct output *o, dma_addr_t phys_addr,
unsigned int words, struct host1x_cdma *cdma,
dma_addr_t pin_addr, u32 *map_addr)
{
/* Map dmaget cursor to corresponding mem handle */
u32 offset = phys_addr - pin_addr;
unsigned int data_count = 0, i;
u32 payload = INVALID_PAYLOAD;
/*
* Sometimes we're given different hardware address to the same
* page - in these cases the offset will get an invalid number and
* we just have to bail out.
*/
if (offset > HOST1X_DEBUG_MAX_PAGE_OFFSET) {
host1x_debug_output(o, "[address mismatch]\n");
return;
}
for (i = 0; i < words; i++) {
dma_addr_t addr = phys_addr + i * 4;
u32 val = *(map_addr + offset / 4 + i);
if (!data_count) {
host1x_debug_output(o, "%pad: %08x: ", &addr, val);
data_count = show_channel_command(o, val, &payload);
} else {
host1x_debug_cont(o, "%08x%s", val,
data_count > 1 ? ", " : "])\n");
data_count--;
}
}
}
static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
{
struct push_buffer *pb = &cdma->push_buffer;
struct host1x_job *job;
host1x_debug_output(o, "PUSHBUF at %pad, %u words\n",
&pb->dma, pb->size / 4);
show_gather(o, pb->dma, pb->size / 4, cdma, pb->dma, pb->mapped);
list_for_each_entry(job, &cdma->sync_queue, list) {
unsigned int i;
host1x_debug_output(o, "\n%p: JOB, syncpt_id=%d, syncpt_val=%d, first_get=%08x, timeout=%d num_slots=%d, num_handles=%d\n",
job, job->syncpt->id, job->syncpt_end,
job->first_get, job->timeout,
job->num_slots, job->num_unpins);
for (i = 0; i < job->num_cmds; i++) {
struct host1x_job_gather *g;
u32 *mapped;
if (job->cmds[i].is_wait)
continue;
g = &job->cmds[i].gather;
if (job->gather_copy_mapped)
mapped = (u32 *)job->gather_copy_mapped;
else
mapped = host1x_bo_mmap(g->bo);
if (!mapped) {
host1x_debug_output(o, "[could not mmap]\n");
continue;
}
host1x_debug_output(o, " GATHER at %pad+%#x, %d words\n",
&g->base, g->offset, g->words);
show_gather(o, g->base + g->offset, g->words, cdma,
g->base, mapped);
if (!job->gather_copy_mapped)
host1x_bo_munmap(g->bo, mapped);
}
}
}
#if HOST1X_HW >= 6
#include "debug_hw_1x06.c"
#else
#include "debug_hw_1x01.c"
#endif
static const struct host1x_debug_ops host1x_debug_ops = {
.show_channel_cdma = host1x_debug_show_channel_cdma,
.show_channel_fifo = host1x_debug_show_channel_fifo,
.show_mlocks = host1x_debug_show_mlocks,
};
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