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145 lines
4.4 KiB
145 lines
4.4 KiB
// 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 <[email protected]> |
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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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