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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"
static void host1x_debug_show_channel_cdma(struct host1x *host,
struct host1x_channel *ch,
struct output *o)
{
struct host1x_cdma *cdma = &ch->cdma;
dma_addr_t dmastart, dmaend;
u32 dmaput, dmaget, dmactrl;
u32 cbstat, cbread;
u32 val, base, baseval;
dmastart = host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART);
dmaend = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND);
dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
cbread = host1x_sync_readl(host, HOST1X_SYNC_CBREAD(ch->id));
cbstat = host1x_sync_readl(host, HOST1X_SYNC_CBSTAT(ch->id));
host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
if (HOST1X_CHANNEL_DMACTRL_DMASTOP_V(dmactrl) ||
!ch->cdma.push_buffer.mapped) {
host1x_debug_output(o, "inactive\n\n");
return;
}
if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == HOST1X_CLASS_HOST1X &&
HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
HOST1X_UCLASS_WAIT_SYNCPT)
host1x_debug_output(o, "waiting on syncpt %d val %d\n",
cbread >> 24, cbread & 0xffffff);
else if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) ==
HOST1X_CLASS_HOST1X &&
HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
HOST1X_UCLASS_WAIT_SYNCPT_BASE) {
base = (cbread >> 16) & 0xff;
baseval =
host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(base));
val = cbread & 0xffff;
host1x_debug_output(o, "waiting on syncpt %d val %d (base %d = %d; offset = %d)\n",
cbread >> 24, baseval + val, base,
baseval, val);
} else
host1x_debug_output(o, "active class %02x, offset %04x, val %08x\n",
HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat),
HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat),
cbread);
host1x_debug_output(o, "DMASTART %pad, DMAEND %pad\n", &dmastart, &dmaend);
host1x_debug_output(o, "DMAPUT %08x DMAGET %08x DMACTL %08x\n",
dmaput, dmaget, dmactrl);
host1x_debug_output(o, "CBREAD %08x CBSTAT %08x\n", cbread, cbstat);
show_channel_gathers(o, cdma);
host1x_debug_output(o, "\n");
}
static void host1x_debug_show_channel_fifo(struct host1x *host,
struct host1x_channel *ch,
struct output *o)
{
u32 val, rd_ptr, wr_ptr, start, end;
unsigned int data_count = 0;
host1x_debug_output(o, "%u: fifo:\n", ch->id);
val = host1x_ch_readl(ch, HOST1X_CHANNEL_FIFOSTAT);
host1x_debug_output(o, "FIFOSTAT %08x\n", val);
if (HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(val)) {
host1x_debug_output(o, "[empty]\n");
return;
}
host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id),
HOST1X_SYNC_CFPEEK_CTRL);
val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_PTRS);
rd_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_RD_PTR_V(val);
wr_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_WR_PTR_V(val);
val = host1x_sync_readl(host, HOST1X_SYNC_CF_SETUP(ch->id));
start = HOST1X_SYNC_CF_SETUP_BASE_V(val);
end = HOST1X_SYNC_CF_SETUP_LIMIT_V(val);
do {
host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id) |
HOST1X_SYNC_CFPEEK_CTRL_ADDR_F(rd_ptr),
HOST1X_SYNC_CFPEEK_CTRL);
val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_READ);
if (!data_count) {
host1x_debug_output(o, "%08x: ", val);
data_count = show_channel_command(o, val, NULL);
} else {
host1x_debug_cont(o, "%08x%s", val,
data_count > 1 ? ", " : "])\n");
data_count--;
}
if (rd_ptr == end)
rd_ptr = start;
else
rd_ptr++;
} while (rd_ptr != wr_ptr);
if (data_count)
host1x_debug_cont(o, ", ...])\n");
host1x_debug_output(o, "\n");
host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
}
static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
{
unsigned int i;
host1x_debug_output(o, "---- mlocks ----\n");
for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
u32 owner =
host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
host1x_debug_output(o, "%u: locked by channel %u\n",
i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner));
else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
host1x_debug_output(o, "%u: locked by cpu\n", i);
else
host1x_debug_output(o, "%u: unlocked\n", i);
}
host1x_debug_output(o, "\n");
}
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