19c92ab61SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2f1b53c4eSMikko Perttunen /*
3f1b53c4eSMikko Perttunen * Copyright (C) 2010 Google, Inc.
4f1b53c4eSMikko Perttunen * Author: Erik Gilling <konkers@android.com>
5f1b53c4eSMikko Perttunen *
6f1b53c4eSMikko Perttunen * Copyright (C) 2011-2017 NVIDIA Corporation
7f1b53c4eSMikko Perttunen */
8f1b53c4eSMikko Perttunen
9f1b53c4eSMikko Perttunen #include "../dev.h"
10f1b53c4eSMikko Perttunen #include "../debug.h"
11f1b53c4eSMikko Perttunen #include "../cdma.h"
12f1b53c4eSMikko Perttunen #include "../channel.h"
13f1b53c4eSMikko Perttunen
host1x_debug_show_channel_cdma(struct host1x * host,struct host1x_channel * ch,struct output * o)14f1b53c4eSMikko Perttunen static void host1x_debug_show_channel_cdma(struct host1x *host,
15f1b53c4eSMikko Perttunen struct host1x_channel *ch,
16f1b53c4eSMikko Perttunen struct output *o)
17f1b53c4eSMikko Perttunen {
18f1b53c4eSMikko Perttunen struct host1x_cdma *cdma = &ch->cdma;
19*fed02893SThierry Reding dma_addr_t dmastart = 0, dmaend = 0;
20f1b53c4eSMikko Perttunen u32 dmaput, dmaget, dmactrl;
21f1b53c4eSMikko Perttunen u32 offset, class;
22f1b53c4eSMikko Perttunen u32 ch_stat;
23f1b53c4eSMikko Perttunen
24*fed02893SThierry Reding #if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6
25*fed02893SThierry Reding dmastart = host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART_HI);
26*fed02893SThierry Reding dmastart <<= 32;
27*fed02893SThierry Reding #endif
28*fed02893SThierry Reding dmastart |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMASTART);
29*fed02893SThierry Reding
30*fed02893SThierry Reding #if defined(CONFIG_ARCH_DMA_ADDR_T_64BIT) && HOST1X_HW >= 6
31*fed02893SThierry Reding dmaend = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND_HI);
32*fed02893SThierry Reding dmaend <<= 32;
33*fed02893SThierry Reding #endif
34*fed02893SThierry Reding dmaend |= host1x_ch_readl(ch, HOST1X_CHANNEL_DMAEND);
35*fed02893SThierry Reding
36f1b53c4eSMikko Perttunen dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
37f1b53c4eSMikko Perttunen dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
38f1b53c4eSMikko Perttunen dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
39f1b53c4eSMikko Perttunen offset = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_OFFSET);
40f1b53c4eSMikko Perttunen class = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_CLASS);
41f1b53c4eSMikko Perttunen ch_stat = host1x_ch_readl(ch, HOST1X_CHANNEL_CHANNELSTAT);
42f1b53c4eSMikko Perttunen
43f1b53c4eSMikko Perttunen host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
44f1b53c4eSMikko Perttunen
45f1b53c4eSMikko Perttunen if (dmactrl & HOST1X_CHANNEL_DMACTRL_DMASTOP ||
46f1b53c4eSMikko Perttunen !ch->cdma.push_buffer.mapped) {
47f1b53c4eSMikko Perttunen host1x_debug_output(o, "inactive\n\n");
48f1b53c4eSMikko Perttunen return;
49f1b53c4eSMikko Perttunen }
50f1b53c4eSMikko Perttunen
51f1b53c4eSMikko Perttunen if (class == HOST1X_CLASS_HOST1X && offset == HOST1X_UCLASS_WAIT_SYNCPT)
52f1b53c4eSMikko Perttunen host1x_debug_output(o, "waiting on syncpt\n");
53f1b53c4eSMikko Perttunen else
54f1b53c4eSMikko Perttunen host1x_debug_output(o, "active class %02x, offset %04x\n",
55f1b53c4eSMikko Perttunen class, offset);
56f1b53c4eSMikko Perttunen
57*fed02893SThierry Reding host1x_debug_output(o, "DMASTART %pad, DMAEND %pad\n", &dmastart, &dmaend);
58*fed02893SThierry Reding host1x_debug_output(o, "DMAPUT %08x DMAGET %08x DMACTL %08x\n",
59f1b53c4eSMikko Perttunen dmaput, dmaget, dmactrl);
60f1b53c4eSMikko Perttunen host1x_debug_output(o, "CHANNELSTAT %02x\n", ch_stat);
61f1b53c4eSMikko Perttunen
62f1b53c4eSMikko Perttunen show_channel_gathers(o, cdma);
63f1b53c4eSMikko Perttunen host1x_debug_output(o, "\n");
64f1b53c4eSMikko Perttunen }
65f1b53c4eSMikko Perttunen
host1x_debug_show_channel_fifo(struct host1x * host,struct host1x_channel * ch,struct output * o)66f1b53c4eSMikko Perttunen static void host1x_debug_show_channel_fifo(struct host1x *host,
67f1b53c4eSMikko Perttunen struct host1x_channel *ch,
68f1b53c4eSMikko Perttunen struct output *o)
69f1b53c4eSMikko Perttunen {
70ac1bdbf2SThierry Reding #if HOST1X_HW <= 6
71ac1bdbf2SThierry Reding u32 rd_ptr, wr_ptr, start, end;
722a79c034SMikko Perttunen u32 payload = INVALID_PAYLOAD;
73f1b53c4eSMikko Perttunen unsigned int data_count = 0;
74ac1bdbf2SThierry Reding #endif
75ac1bdbf2SThierry Reding u32 val;
76f1b53c4eSMikko Perttunen
77f1b53c4eSMikko Perttunen host1x_debug_output(o, "%u: fifo:\n", ch->id);
78f1b53c4eSMikko Perttunen
79f1b53c4eSMikko Perttunen val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_STAT);
80f1b53c4eSMikko Perttunen host1x_debug_output(o, "CMDFIFO_STAT %08x\n", val);
81f1b53c4eSMikko Perttunen if (val & HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY) {
82f1b53c4eSMikko Perttunen host1x_debug_output(o, "[empty]\n");
83f1b53c4eSMikko Perttunen return;
84f1b53c4eSMikko Perttunen }
85f1b53c4eSMikko Perttunen
86f1b53c4eSMikko Perttunen val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_RDATA);
87f1b53c4eSMikko Perttunen host1x_debug_output(o, "CMDFIFO_RDATA %08x\n", val);
88f1b53c4eSMikko Perttunen
89ac1bdbf2SThierry Reding #if HOST1X_HW <= 6
90f1b53c4eSMikko Perttunen /* Peek pointer values are invalid during SLCG, so disable it */
91f1b53c4eSMikko Perttunen host1x_hypervisor_writel(host, 0x1, HOST1X_HV_ICG_EN_OVERRIDE);
92f1b53c4eSMikko Perttunen
93f1b53c4eSMikko Perttunen val = 0;
94f1b53c4eSMikko Perttunen val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
95f1b53c4eSMikko Perttunen val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
96f1b53c4eSMikko Perttunen host1x_hypervisor_writel(host, val, HOST1X_HV_CMDFIFO_PEEK_CTRL);
97f1b53c4eSMikko Perttunen
98f1b53c4eSMikko Perttunen val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_PEEK_PTRS);
99f1b53c4eSMikko Perttunen rd_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_RD_PTR_V(val);
100f1b53c4eSMikko Perttunen wr_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_WR_PTR_V(val);
101f1b53c4eSMikko Perttunen
102f1b53c4eSMikko Perttunen val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_SETUP(ch->id));
103f1b53c4eSMikko Perttunen start = HOST1X_HV_CMDFIFO_SETUP_BASE_V(val);
104f1b53c4eSMikko Perttunen end = HOST1X_HV_CMDFIFO_SETUP_LIMIT_V(val);
105f1b53c4eSMikko Perttunen
106f1b53c4eSMikko Perttunen do {
107f1b53c4eSMikko Perttunen val = 0;
108f1b53c4eSMikko Perttunen val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
109f1b53c4eSMikko Perttunen val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
110f1b53c4eSMikko Perttunen val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ADDR(rd_ptr);
111f1b53c4eSMikko Perttunen host1x_hypervisor_writel(host, val,
112f1b53c4eSMikko Perttunen HOST1X_HV_CMDFIFO_PEEK_CTRL);
113f1b53c4eSMikko Perttunen
114f1b53c4eSMikko Perttunen val = host1x_hypervisor_readl(host,
115f1b53c4eSMikko Perttunen HOST1X_HV_CMDFIFO_PEEK_READ);
116f1b53c4eSMikko Perttunen
117f1b53c4eSMikko Perttunen if (!data_count) {
118eb2ee1a2SMikko Perttunen host1x_debug_output(o, "%03x 0x%08x: ",
119eb2ee1a2SMikko Perttunen rd_ptr - start, val);
1202a79c034SMikko Perttunen data_count = show_channel_command(o, val, &payload);
121f1b53c4eSMikko Perttunen } else {
122eb2ee1a2SMikko Perttunen host1x_debug_cont(o, "%08x%s", val,
123eb2ee1a2SMikko Perttunen data_count > 1 ? ", " : "])\n");
124f1b53c4eSMikko Perttunen data_count--;
125f1b53c4eSMikko Perttunen }
126f1b53c4eSMikko Perttunen
127f1b53c4eSMikko Perttunen if (rd_ptr == end)
128f1b53c4eSMikko Perttunen rd_ptr = start;
129f1b53c4eSMikko Perttunen else
130f1b53c4eSMikko Perttunen rd_ptr++;
131f1b53c4eSMikko Perttunen } while (rd_ptr != wr_ptr);
132f1b53c4eSMikko Perttunen
133f1b53c4eSMikko Perttunen if (data_count)
134eb2ee1a2SMikko Perttunen host1x_debug_cont(o, ", ...])\n");
135f1b53c4eSMikko Perttunen host1x_debug_output(o, "\n");
136f1b53c4eSMikko Perttunen
137f1b53c4eSMikko Perttunen host1x_hypervisor_writel(host, 0x0, HOST1X_HV_CMDFIFO_PEEK_CTRL);
138f1b53c4eSMikko Perttunen host1x_hypervisor_writel(host, 0x0, HOST1X_HV_ICG_EN_OVERRIDE);
139ac1bdbf2SThierry Reding #endif
140f1b53c4eSMikko Perttunen }
141f1b53c4eSMikko Perttunen
host1x_debug_show_mlocks(struct host1x * host,struct output * o)142f1b53c4eSMikko Perttunen static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
143f1b53c4eSMikko Perttunen {
144f1b53c4eSMikko Perttunen /* TODO */
145f1b53c4eSMikko Perttunen }
146