// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (C) 2010 Google, Inc.
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* Author: Erik Gilling <konkers@android.com>
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*
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* Copyright (C) 2011-2013 NVIDIA Corporation
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*/
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#include "../dev.h"
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#include "../debug.h"
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#include "../cdma.h"
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#include "../channel.h"
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static void host1x_debug_show_channel_cdma(struct host1x *host,
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struct host1x_channel *ch,
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struct output *o)
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{
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struct host1x_cdma *cdma = &ch->cdma;
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u32 dmaput, dmaget, dmactrl;
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u32 cbstat, cbread;
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u32 val, base, baseval;
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dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
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dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
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dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
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cbread = host1x_sync_readl(host, HOST1X_SYNC_CBREAD(ch->id));
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cbstat = host1x_sync_readl(host, HOST1X_SYNC_CBSTAT(ch->id));
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host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
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if (HOST1X_CHANNEL_DMACTRL_DMASTOP_V(dmactrl) ||
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!ch->cdma.push_buffer.mapped) {
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host1x_debug_output(o, "inactive\n\n");
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return;
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}
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if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) == HOST1X_CLASS_HOST1X &&
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HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
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HOST1X_UCLASS_WAIT_SYNCPT)
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host1x_debug_output(o, "waiting on syncpt %d val %d\n",
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cbread >> 24, cbread & 0xffffff);
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else if (HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat) ==
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HOST1X_CLASS_HOST1X &&
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HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat) ==
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HOST1X_UCLASS_WAIT_SYNCPT_BASE) {
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base = (cbread >> 16) & 0xff;
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baseval =
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host1x_sync_readl(host, HOST1X_SYNC_SYNCPT_BASE(base));
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val = cbread & 0xffff;
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host1x_debug_output(o, "waiting on syncpt %d val %d (base %d = %d; offset = %d)\n",
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cbread >> 24, baseval + val, base,
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baseval, val);
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} else
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host1x_debug_output(o, "active class %02x, offset %04x, val %08x\n",
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HOST1X_SYNC_CBSTAT_CBCLASS_V(cbstat),
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HOST1X_SYNC_CBSTAT_CBOFFSET_V(cbstat),
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cbread);
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host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n",
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dmaput, dmaget, dmactrl);
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host1x_debug_output(o, "CBREAD %08x, CBSTAT %08x\n", cbread, cbstat);
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show_channel_gathers(o, cdma);
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host1x_debug_output(o, "\n");
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}
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static void host1x_debug_show_channel_fifo(struct host1x *host,
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struct host1x_channel *ch,
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struct output *o)
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{
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u32 val, rd_ptr, wr_ptr, start, end;
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unsigned int data_count = 0;
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host1x_debug_output(o, "%u: fifo:\n", ch->id);
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val = host1x_ch_readl(ch, HOST1X_CHANNEL_FIFOSTAT);
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host1x_debug_output(o, "FIFOSTAT %08x\n", val);
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if (HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(val)) {
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host1x_debug_output(o, "[empty]\n");
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return;
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}
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host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
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host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
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HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id),
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HOST1X_SYNC_CFPEEK_CTRL);
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val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_PTRS);
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rd_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_RD_PTR_V(val);
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wr_ptr = HOST1X_SYNC_CFPEEK_PTRS_CF_WR_PTR_V(val);
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val = host1x_sync_readl(host, HOST1X_SYNC_CF_SETUP(ch->id));
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start = HOST1X_SYNC_CF_SETUP_BASE_V(val);
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end = HOST1X_SYNC_CF_SETUP_LIMIT_V(val);
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do {
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host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
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host1x_sync_writel(host, HOST1X_SYNC_CFPEEK_CTRL_ENA_F(1) |
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HOST1X_SYNC_CFPEEK_CTRL_CHANNR_F(ch->id) |
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HOST1X_SYNC_CFPEEK_CTRL_ADDR_F(rd_ptr),
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HOST1X_SYNC_CFPEEK_CTRL);
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val = host1x_sync_readl(host, HOST1X_SYNC_CFPEEK_READ);
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if (!data_count) {
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host1x_debug_output(o, "%08x: ", val);
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data_count = show_channel_command(o, val, NULL);
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} else {
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host1x_debug_cont(o, "%08x%s", val,
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data_count > 1 ? ", " : "])\n");
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data_count--;
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}
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if (rd_ptr == end)
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rd_ptr = start;
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else
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rd_ptr++;
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} while (rd_ptr != wr_ptr);
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if (data_count)
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host1x_debug_cont(o, ", ...])\n");
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host1x_debug_output(o, "\n");
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host1x_sync_writel(host, 0x0, HOST1X_SYNC_CFPEEK_CTRL);
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}
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static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
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{
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unsigned int i;
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host1x_debug_output(o, "---- mlocks ----\n");
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for (i = 0; i < host1x_syncpt_nb_mlocks(host); i++) {
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u32 owner =
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host1x_sync_readl(host, HOST1X_SYNC_MLOCK_OWNER(i));
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if (HOST1X_SYNC_MLOCK_OWNER_CH_OWNS_V(owner))
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host1x_debug_output(o, "%u: locked by channel %u\n",
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i, HOST1X_SYNC_MLOCK_OWNER_CHID_V(owner));
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else if (HOST1X_SYNC_MLOCK_OWNER_CPU_OWNS_V(owner))
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host1x_debug_output(o, "%u: locked by cpu\n", i);
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else
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host1x_debug_output(o, "%u: unlocked\n", i);
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}
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host1x_debug_output(o, "\n");
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}
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