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145 lines
4.2 KiB
145 lines
4.2 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) 2011-2017 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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dma_addr_t dmastart = 0, dmaend = 0; |
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u32 dmaput, dmaget, dmactrl; |
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u32 offset, class; |
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u32 ch_stat; |
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#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6 |
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dmastart = host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART_HI); |
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dmastart <<= 32; |
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#endif |
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dmastart |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART); |
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#if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6 |
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dmaend = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND_HI); |
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dmaend <<= 32; |
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#endif |
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dmaend |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND); |
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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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offset = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_OFFSET); |
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class = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_CLASS); |
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ch_stat = host1x_ch_readl(ch, HOST1X_CHANNEL_CHANNELSTAT); |
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host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev)); |
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if (dmactrl & HOST1X_CHANNEL_DMACTRL_DMASTOP || |
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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 (class == HOST1X_CLASS_HOST1X && offset == HOST1X_UCLASS_WAIT_SYNCPT) |
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host1x_debug_output(o, "waiting on syncpt\n"); |
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else |
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host1x_debug_output(o, "active class %02x, offset %04x\n", |
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class, offset); |
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host1x_debug_output(o, "DMASTART %pad, DMAEND %pad\n", &dmastart, &dmaend); |
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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, "CHANNELSTAT %02x\n", ch_stat); |
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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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#if HOST1X_HW <= 6 |
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u32 rd_ptr, wr_ptr, start, end; |
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u32 payload = INVALID_PAYLOAD; |
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unsigned int data_count = 0; |
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#endif |
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u32 val; |
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host1x_debug_output(o, "%u: fifo:\n", ch->id); |
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val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_STAT); |
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host1x_debug_output(o, "CMDFIFO_STAT %08x\n", val); |
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if (val & HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY) { |
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host1x_debug_output(o, "[empty]\n"); |
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return; |
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} |
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val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_RDATA); |
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host1x_debug_output(o, "CMDFIFO_RDATA %08x\n", val); |
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#if HOST1X_HW <= 6 |
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/* Peek pointer values are invalid during SLCG, so disable it */ |
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host1x_hypervisor_writel(host, 0x1, HOST1X_HV_ICG_EN_OVERRIDE); |
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val = 0; |
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val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE; |
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val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id); |
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host1x_hypervisor_writel(host, val, HOST1X_HV_CMDFIFO_PEEK_CTRL); |
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val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_PEEK_PTRS); |
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rd_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_RD_PTR_V(val); |
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wr_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_WR_PTR_V(val); |
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val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_SETUP(ch->id)); |
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start = HOST1X_HV_CMDFIFO_SETUP_BASE_V(val); |
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end = HOST1X_HV_CMDFIFO_SETUP_LIMIT_V(val); |
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do { |
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val = 0; |
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val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE; |
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val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id); |
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val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ADDR(rd_ptr); |
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host1x_hypervisor_writel(host, val, |
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HOST1X_HV_CMDFIFO_PEEK_CTRL); |
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val = host1x_hypervisor_readl(host, |
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HOST1X_HV_CMDFIFO_PEEK_READ); |
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if (!data_count) { |
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host1x_debug_output(o, "%03x 0x%08x: ", |
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rd_ptr - start, val); |
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data_count = show_channel_command(o, val, &payload); |
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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_hypervisor_writel(host, 0x0, HOST1X_HV_CMDFIFO_PEEK_CTRL); |
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host1x_hypervisor_writel(host, 0x0, HOST1X_HV_ICG_EN_OVERRIDE); |
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#endif |
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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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/* TODO */ |
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}
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