Commit f1b53c4e authored by Mikko Perttunen's avatar Mikko Perttunen Committed by Thierry Reding

gpu: host1x: Add Tegra186 support

Add support for the implementation of Host1x present on the Tegra186.
The register space has been shuffled around a little bit, requiring
addition of some chip-specific code sections. Tegra186 also adds
several new features, most importantly the hypervisor, but those are
not yet supported with this commit.
Signed-off-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: default avatarDmitry Osipenko <digetx@gmail.com>
Tested-by: default avatarDmitry Osipenko <digetx@gmail.com>
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent d3b3efa1
......@@ -11,6 +11,7 @@ host1x-y = \
hw/host1x01.o \
hw/host1x02.o \
hw/host1x04.o \
hw/host1x05.o
hw/host1x05.o \
hw/host1x06.o
obj-$(CONFIG_TEGRA_HOST1X) += host1x.o
......@@ -39,6 +39,17 @@
#include "hw/host1x02.h"
#include "hw/host1x04.h"
#include "hw/host1x05.h"
#include "hw/host1x06.h"
void host1x_hypervisor_writel(struct host1x *host1x, u32 v, u32 r)
{
writel(v, host1x->hv_regs + r);
}
u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r)
{
return readl(host1x->hv_regs + r);
}
void host1x_sync_writel(struct host1x *host1x, u32 v, u32 r)
{
......@@ -104,7 +115,19 @@ static const struct host1x_info host1x05_info = {
.dma_mask = DMA_BIT_MASK(34),
};
static const struct host1x_info host1x06_info = {
.nb_channels = 63,
.nb_pts = 576,
.nb_mlocks = 24,
.nb_bases = 16,
.init = host1x06_init,
.sync_offset = 0x0,
.dma_mask = DMA_BIT_MASK(34),
.has_hypervisor = true,
};
static const struct of_device_id host1x_of_match[] = {
{ .compatible = "nvidia,tegra186-host1x", .data = &host1x06_info, },
{ .compatible = "nvidia,tegra210-host1x", .data = &host1x05_info, },
{ .compatible = "nvidia,tegra124-host1x", .data = &host1x04_info, },
{ .compatible = "nvidia,tegra114-host1x", .data = &host1x02_info, },
......@@ -117,7 +140,7 @@ MODULE_DEVICE_TABLE(of, host1x_of_match);
static int host1x_probe(struct platform_device *pdev)
{
struct host1x *host;
struct resource *regs;
struct resource *regs, *hv_regs = NULL;
int syncpt_irq;
int err;
......@@ -127,11 +150,27 @@ static int host1x_probe(struct platform_device *pdev)
host->info = of_device_get_match_data(&pdev->dev);
if (host->info->has_hypervisor) {
regs = platform_get_resource_byname(pdev, IORESOURCE_MEM, "vm");
if (!regs) {
dev_err(&pdev->dev, "failed to get vm registers\n");
return -ENXIO;
}
hv_regs = platform_get_resource_byname(pdev, IORESOURCE_MEM,
"hypervisor");
if (!hv_regs) {
dev_err(&pdev->dev,
"failed to get hypervisor registers\n");
return -ENXIO;
}
} else {
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "failed to get registers\n");
return -ENXIO;
}
}
syncpt_irq = platform_get_irq(pdev, 0);
if (syncpt_irq < 0) {
......@@ -151,6 +190,12 @@ static int host1x_probe(struct platform_device *pdev)
if (IS_ERR(host->regs))
return PTR_ERR(host->regs);
if (host->info->has_hypervisor) {
host->hv_regs = devm_ioremap_resource(&pdev->dev, hv_regs);
if (IS_ERR(host->hv_regs))
return PTR_ERR(host->hv_regs);
}
dma_set_mask_and_coherent(host->dev, host->info->dma_mask);
if (host->info->init) {
......
......@@ -100,12 +100,14 @@ struct host1x_info {
int (*init)(struct host1x *host1x); /* initialize per SoC ops */
unsigned int sync_offset; /* offset of syncpoint registers */
u64 dma_mask; /* mask of addressable memory */
bool has_hypervisor; /* has hypervisor registers */
};
struct host1x {
const struct host1x_info *info;
void __iomem *regs;
void __iomem *hv_regs; /* hypervisor region */
struct host1x_syncpt *syncpt;
struct host1x_syncpt_base *bases;
struct device *dev;
......@@ -140,6 +142,8 @@ struct host1x {
struct list_head list;
};
void host1x_hypervisor_writel(struct host1x *host1x, u32 r, u32 v);
u32 host1x_hypervisor_readl(struct host1x *host1x, u32 r);
void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v);
u32 host1x_sync_readl(struct host1x *host1x, u32 r);
void host1x_ch_writel(struct host1x_channel *ch, u32 r, u32 v);
......
......@@ -172,6 +172,30 @@ static void cdma_stop(struct host1x_cdma *cdma)
mutex_unlock(&cdma->lock);
}
static void cdma_hw_cmdproc_stop(struct host1x *host, struct host1x_channel *ch,
bool stop)
{
#if HOST1X_HW >= 6
host1x_ch_writel(ch, stop ? 0x1 : 0x0, HOST1X_CHANNEL_CMDPROC_STOP);
#else
u32 cmdproc_stop = host1x_sync_readl(host, HOST1X_SYNC_CMDPROC_STOP);
if (stop)
cmdproc_stop |= BIT(ch->id);
else
cmdproc_stop &= ~BIT(ch->id);
host1x_sync_writel(host, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
#endif
}
static void cdma_hw_teardown(struct host1x *host, struct host1x_channel *ch)
{
#if HOST1X_HW >= 6
host1x_ch_writel(ch, 0x1, HOST1X_CHANNEL_TEARDOWN);
#else
host1x_sync_writel(host, BIT(ch->id), HOST1X_SYNC_CH_TEARDOWN);
#endif
}
/*
* Stops both channel's command processor and CDMA immediately.
* Also, tears down the channel and resets corresponding module.
......@@ -180,7 +204,6 @@ static void cdma_freeze(struct host1x_cdma *cdma)
{
struct host1x *host = cdma_to_host1x(cdma);
struct host1x_channel *ch = cdma_to_channel(cdma);
u32 cmdproc_stop;
if (cdma->torndown && !cdma->running) {
dev_warn(host->dev, "Already torn down\n");
......@@ -189,9 +212,7 @@ static void cdma_freeze(struct host1x_cdma *cdma)
dev_dbg(host->dev, "freezing channel (id %d)\n", ch->id);
cmdproc_stop = host1x_sync_readl(host, HOST1X_SYNC_CMDPROC_STOP);
cmdproc_stop |= BIT(ch->id);
host1x_sync_writel(host, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
cdma_hw_cmdproc_stop(host, ch, true);
dev_dbg(host->dev, "%s: DMA GET 0x%x, PUT HW 0x%x / shadow 0x%x\n",
__func__, host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET),
......@@ -201,7 +222,7 @@ static void cdma_freeze(struct host1x_cdma *cdma)
host1x_ch_writel(ch, HOST1X_CHANNEL_DMACTRL_DMASTOP,
HOST1X_CHANNEL_DMACTRL);
host1x_sync_writel(host, BIT(ch->id), HOST1X_SYNC_CH_TEARDOWN);
cdma_hw_teardown(host, ch);
cdma->running = false;
cdma->torndown = true;
......@@ -211,15 +232,12 @@ static void cdma_resume(struct host1x_cdma *cdma, u32 getptr)
{
struct host1x *host1x = cdma_to_host1x(cdma);
struct host1x_channel *ch = cdma_to_channel(cdma);
u32 cmdproc_stop;
dev_dbg(host1x->dev,
"resuming channel (id %u, DMAGET restart = 0x%x)\n",
ch->id, getptr);
cmdproc_stop = host1x_sync_readl(host1x, HOST1X_SYNC_CMDPROC_STOP);
cmdproc_stop &= ~BIT(ch->id);
host1x_sync_writel(host1x, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
cdma_hw_cmdproc_stop(host1x, ch, false);
cdma->torndown = false;
cdma_timeout_restart(cdma, getptr);
......@@ -232,7 +250,7 @@ static void cdma_resume(struct host1x_cdma *cdma, u32 getptr)
*/
static void cdma_timeout_handler(struct work_struct *work)
{
u32 prev_cmdproc, cmdproc_stop, syncpt_val;
u32 syncpt_val;
struct host1x_cdma *cdma;
struct host1x *host1x;
struct host1x_channel *ch;
......@@ -254,12 +272,7 @@ static void cdma_timeout_handler(struct work_struct *work)
}
/* stop processing to get a clean snapshot */
prev_cmdproc = host1x_sync_readl(host1x, HOST1X_SYNC_CMDPROC_STOP);
cmdproc_stop = prev_cmdproc | BIT(ch->id);
host1x_sync_writel(host1x, cmdproc_stop, HOST1X_SYNC_CMDPROC_STOP);
dev_dbg(host1x->dev, "cdma_timeout: cmdproc was 0x%x is 0x%x\n",
prev_cmdproc, cmdproc_stop);
cdma_hw_cmdproc_stop(host1x, ch, true);
syncpt_val = host1x_syncpt_load(cdma->timeout.syncpt);
......@@ -268,9 +281,7 @@ static void cdma_timeout_handler(struct work_struct *work)
dev_dbg(host1x->dev,
"cdma_timeout: expired, but buffer had completed\n");
/* restore */
cmdproc_stop = prev_cmdproc & ~(BIT(ch->id));
host1x_sync_writel(host1x, cmdproc_stop,
HOST1X_SYNC_CMDPROC_STOP);
cdma_hw_cmdproc_stop(host1x, ch, false);
mutex_unlock(&cdma->lock);
return;
}
......
......@@ -174,138 +174,11 @@ static void show_channel_gathers(struct output *o, struct host1x_cdma *cdma)
}
}
static void host1x_debug_show_channel_cdma(struct host1x *host,
struct host1x_channel *ch,
struct output *o)
{
struct host1x_cdma *cdma = &ch->cdma;
u32 dmaput, dmaget, dmactrl;
u32 cbstat, cbread;
u32 val, base, baseval;
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, "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);
} else {
host1x_debug_output(o, "%08x%s", val,
data_count > 0 ? ", " : "])\n");
data_count--;
}
if (rd_ptr == end)
rd_ptr = start;
else
rd_ptr++;
} while (rd_ptr != wr_ptr);
if (data_count)
host1x_debug_output(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");
}
#if HOST1X_HW >= 6
#include "debug_hw_1x06.c"
#else
#include "debug_hw_1x01.c"
#endif
static const struct host1x_debug_ops host1x_debug_ops = {
.show_channel_cdma = host1x_debug_show_channel_cdma,
......
/*
* Copyright (C) 2010 Google, Inc.
* Author: Erik Gilling <konkers@android.com>
*
* Copyright (C) 2011-2013 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#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;
u32 dmaput, dmaget, dmactrl;
u32 cbstat, cbread;
u32 val, base, baseval;
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, "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);
} else {
host1x_debug_output(o, "%08x%s", val,
data_count > 0 ? ", " : "])\n");
data_count--;
}
if (rd_ptr == end)
rd_ptr = start;
else
rd_ptr++;
} while (rd_ptr != wr_ptr);
if (data_count)
host1x_debug_output(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");
}
/*
* Copyright (C) 2010 Google, Inc.
* Author: Erik Gilling <konkers@android.com>
*
* Copyright (C) 2011-2017 NVIDIA Corporation
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#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;
u32 dmaput, dmaget, dmactrl;
u32 offset, class;
u32 ch_stat;
dmaput = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAPUT);
dmaget = host1x_ch_readl(ch, HOST1X_CHANNEL_DMAGET);
dmactrl = host1x_ch_readl(ch, HOST1X_CHANNEL_DMACTRL);
offset = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_OFFSET);
class = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDP_CLASS);
ch_stat = host1x_ch_readl(ch, HOST1X_CHANNEL_CHANNELSTAT);
host1x_debug_output(o, "%u-%s: ", ch->id, dev_name(ch->dev));
if (dmactrl & HOST1X_CHANNEL_DMACTRL_DMASTOP ||
!ch->cdma.push_buffer.mapped) {
host1x_debug_output(o, "inactive\n\n");
return;
}
if (class == HOST1X_CLASS_HOST1X && offset == HOST1X_UCLASS_WAIT_SYNCPT)
host1x_debug_output(o, "waiting on syncpt\n");
else
host1x_debug_output(o, "active class %02x, offset %04x\n",
class, offset);
host1x_debug_output(o, "DMAPUT %08x, DMAGET %08x, DMACTL %08x\n",
dmaput, dmaget, dmactrl);
host1x_debug_output(o, "CHANNELSTAT %02x\n", ch_stat);
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_CMDFIFO_STAT);
host1x_debug_output(o, "CMDFIFO_STAT %08x\n", val);
if (val & HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY) {
host1x_debug_output(o, "[empty]\n");
return;
}
val = host1x_ch_readl(ch, HOST1X_CHANNEL_CMDFIFO_RDATA);
host1x_debug_output(o, "CMDFIFO_RDATA %08x\n", val);
/* Peek pointer values are invalid during SLCG, so disable it */
host1x_hypervisor_writel(host, 0x1, HOST1X_HV_ICG_EN_OVERRIDE);
val = 0;
val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
host1x_hypervisor_writel(host, val, HOST1X_HV_CMDFIFO_PEEK_CTRL);
val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_PEEK_PTRS);
rd_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_RD_PTR_V(val);
wr_ptr = HOST1X_HV_CMDFIFO_PEEK_PTRS_WR_PTR_V(val);
val = host1x_hypervisor_readl(host, HOST1X_HV_CMDFIFO_SETUP(ch->id));
start = HOST1X_HV_CMDFIFO_SETUP_BASE_V(val);
end = HOST1X_HV_CMDFIFO_SETUP_LIMIT_V(val);
do {
val = 0;
val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE;
val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(ch->id);
val |= HOST1X_HV_CMDFIFO_PEEK_CTRL_ADDR(rd_ptr);
host1x_hypervisor_writel(host, val,
HOST1X_HV_CMDFIFO_PEEK_CTRL);
val = host1x_hypervisor_readl(host,
HOST1X_HV_CMDFIFO_PEEK_READ);
if (!data_count) {
host1x_debug_output(o, "%08x:", val);
data_count = show_channel_command(o, val);
} else {
host1x_debug_output(o, "%08x%s", val,
data_count > 0 ? ", " : "])\n");
data_count--;
}
if (rd_ptr == end)
rd_ptr = start;
else
rd_ptr++;
} while (rd_ptr != wr_ptr);
if (data_count)
host1x_debug_output(o, ", ...])\n");
host1x_debug_output(o, "\n");
host1x_hypervisor_writel(host, 0x0, HOST1X_HV_CMDFIFO_PEEK_CTRL);
host1x_hypervisor_writel(host, 0x0, HOST1X_HV_ICG_EN_OVERRIDE);
}
static void host1x_debug_show_mlocks(struct host1x *host, struct output *o)
{
/* TODO */
}
......@@ -21,6 +21,8 @@
#include "host1x01_hardware.h"
/* include code */
#define HOST1X_HW 1
#include "cdma_hw.c"
#include "channel_hw.c"
#include "debug_hw.c"
......
......@@ -21,6 +21,8 @@
#include "host1x02_hardware.h"
/* include code */
#define HOST1X_HW 2
#include "cdma_hw.c"
#include "channel_hw.c"
#include "debug_hw.c"
......
......@@ -21,6 +21,8 @@
#include "host1x04_hardware.h"
/* include code */
#define HOST1X_HW 4
#include "cdma_hw.c"
#include "channel_hw.c"
#include "debug_hw.c"
......
......@@ -21,6 +21,8 @@
#include "host1x05_hardware.h"
/* include code */
#define HOST1X_HW 5
#include "cdma_hw.c"
#include "channel_hw.c"
#include "debug_hw.c"
......
/*
* Host1x init for Tegra186 SoCs
*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* include hw specification */
#include "host1x06.h"
#include "host1x06_hardware.h"
/* include code */
#define HOST1X_HW 6
#include "cdma_hw.c"
#include "channel_hw.c"
#include "debug_hw.c"
#include "intr_hw.c"
#include "syncpt_hw.c"
#include "../dev.h"
int host1x06_init(struct host1x *host)
{
host->channel_op = &host1x_channel_ops;
host->cdma_op = &host1x_cdma_ops;
host->cdma_pb_op = &host1x_pushbuffer_ops;
host->syncpt_op = &host1x_syncpt_ops;
host->intr_op = &host1x_intr_ops;
host->debug_op = &host1x_debug_ops;
return 0;
}
/*
* Host1x init for Tegra186 SoCs
*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef HOST1X_HOST1X06_H
#define HOST1X_HOST1X06_H
struct host1x;
int host1x06_init(struct host1x *host);
#endif
/*
* Tegra host1x Register Offsets for Tegra186
*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __HOST1X_HOST1X06_HARDWARE_H
#define __HOST1X_HOST1X06_HARDWARE_H
#include <linux/types.h>
#include <linux/bitops.h>
#include "hw_host1x06_uclass.h"
#include "hw_host1x06_vm.h"
#include "hw_host1x06_hypervisor.h"
static inline u32 host1x_class_host_wait_syncpt(
unsigned indx, unsigned threshold)
{
return host1x_uclass_wait_syncpt_indx_f(indx)
| host1x_uclass_wait_syncpt_thresh_f(threshold);
}
static inline u32 host1x_class_host_load_syncpt_base(
unsigned indx, unsigned threshold)
{
return host1x_uclass_load_syncpt_base_base_indx_f(indx)
| host1x_uclass_load_syncpt_base_value_f(threshold);
}
static inline u32 host1x_class_host_wait_syncpt_base(
unsigned indx, unsigned base_indx, unsigned offset)
{
return host1x_uclass_wait_syncpt_base_indx_f(indx)
| host1x_uclass_wait_syncpt_base_base_indx_f(base_indx)
| host1x_uclass_wait_syncpt_base_offset_f(offset);
}
static inline u32 host1x_class_host_incr_syncpt_base(
unsigned base_indx, unsigned offset)
{
return host1x_uclass_incr_syncpt_base_base_indx_f(base_indx)
| host1x_uclass_incr_syncpt_base_offset_f(offset);
}
static inline u32 host1x_class_host_incr_syncpt(
unsigned cond, unsigned indx)
{
return host1x_uclass_incr_syncpt_cond_f(cond)
| host1x_uclass_incr_syncpt_indx_f(indx);
}
static inline u32 host1x_class_host_indoff_reg_write(
unsigned mod_id, unsigned offset, bool auto_inc)
{
u32 v = host1x_uclass_indoff_indbe_f(0xf)
| host1x_uclass_indoff_indmodid_f(mod_id)
| host1x_uclass_indoff_indroffset_f(offset);
if (auto_inc)
v |= host1x_uclass_indoff_autoinc_f(1);
return v;
}
static inline u32 host1x_class_host_indoff_reg_read(
unsigned mod_id, unsigned offset, bool auto_inc)
{
u32 v = host1x_uclass_indoff_indmodid_f(mod_id)
| host1x_uclass_indoff_indroffset_f(offset)
| host1x_uclass_indoff_rwn_read_v();
if (auto_inc)
v |= host1x_uclass_indoff_autoinc_f(1);
return v;
}
/* cdma opcodes */
static inline u32 host1x_opcode_setclass(
unsigned class_id, unsigned offset, unsigned mask)
{
return (0 << 28) | (offset << 16) | (class_id << 6) | mask;
}
static inline u32 host1x_opcode_incr(unsigned offset, unsigned count)
{
return (1 << 28) | (offset << 16) | count;
}
static inline u32 host1x_opcode_nonincr(unsigned offset, unsigned count)
{
return (2 << 28) | (offset << 16) | count;
}
static inline u32 host1x_opcode_mask(unsigned offset, unsigned mask)
{
return (3 << 28) | (offset << 16) | mask;
}
static inline u32 host1x_opcode_imm(unsigned offset, unsigned value)
{
return (4 << 28) | (offset << 16) | value;
}
static inline u32 host1x_opcode_imm_incr_syncpt(unsigned cond, unsigned indx)
{
return host1x_opcode_imm(host1x_uclass_incr_syncpt_r(),
host1x_class_host_incr_syncpt(cond, indx));
}
static inline u32 host1x_opcode_restart(unsigned address)
{
return (5 << 28) | (address >> 4);
}
static inline u32 host1x_opcode_gather(unsigned count)
{
return (6 << 28) | count;
}
static inline u32 host1x_opcode_gather_nonincr(unsigned offset, unsigned count)
{
return (6 << 28) | (offset << 16) | BIT(15) | count;
}
static inline u32 host1x_opcode_gather_incr(unsigned offset, unsigned count)
{
return (6 << 28) | (offset << 16) | BIT(15) | BIT(14) | count;
}
#define HOST1X_OPCODE_NOP host1x_opcode_nonincr(0, 0)
#endif
/*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#define HOST1X_HV_SYNCPT_PROT_EN 0x1ac4
#define HOST1X_HV_SYNCPT_PROT_EN_CH_EN BIT(1)
#define HOST1X_HV_CH_KERNEL_FILTER_GBUFFER(x) (0x2020 + (x * 4))
#define HOST1X_HV_CMDFIFO_PEEK_CTRL 0x233c
#define HOST1X_HV_CMDFIFO_PEEK_CTRL_ADDR(x) (x)
#define HOST1X_HV_CMDFIFO_PEEK_CTRL_CHANNEL(x) ((x) << 16)
#define HOST1X_HV_CMDFIFO_PEEK_CTRL_ENABLE BIT(31)
#define HOST1X_HV_CMDFIFO_PEEK_READ 0x2340
#define HOST1X_HV_CMDFIFO_PEEK_PTRS 0x2344
#define HOST1X_HV_CMDFIFO_PEEK_PTRS_WR_PTR_V(x) (((x) >> 16) & 0xfff)
#define HOST1X_HV_CMDFIFO_PEEK_PTRS_RD_PTR_V(x) ((x) & 0xfff)
#define HOST1X_HV_CMDFIFO_SETUP(x) (0x2588 + (x * 4))
#define HOST1X_HV_CMDFIFO_SETUP_LIMIT_V(x) (((x) >> 16) & 0xfff)
#define HOST1X_HV_CMDFIFO_SETUP_BASE_V(x) ((x) & 0xfff)
#define HOST1X_HV_ICG_EN_OVERRIDE 0x2aa8
/*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
/*
* Function naming determines intended use:
*
* <x>_r(void) : Returns the offset for register <x>.
*
* <x>_w(void) : Returns the word offset for word (4 byte) element <x>.
*
* <x>_<y>_s(void) : Returns size of field <y> of register <x> in bits.
*
* <x>_<y>_f(u32 v) : Returns a value based on 'v' which has been shifted
* and masked to place it at field <y> of register <x>. This value
* can be |'d with others to produce a full register value for
* register <x>.
*
* <x>_<y>_m(void) : Returns a mask for field <y> of register <x>. This
* value can be ~'d and then &'d to clear the value of field <y> for
* register <x>.
*
* <x>_<y>_<z>_f(void) : Returns the constant value <z> after being shifted
* to place it at field <y> of register <x>. This value can be |'d
* with others to produce a full register value for <x>.
*
* <x>_<y>_v(u32 r) : Returns the value of field <y> from a full register
* <x> value 'r' after being shifted to place its LSB at bit 0.
* This value is suitable for direct comparison with other unshifted
* values appropriate for use in field <y> of register <x>.
*
* <x>_<y>_<z>_v(void) : Returns the constant value for <z> defined for
* field <y> of register <x>. This value is suitable for direct
* comparison with unshifted values appropriate for use in field <y>
* of register <x>.
*/
#ifndef HOST1X_HW_HOST1X06_UCLASS_H
#define HOST1X_HW_HOST1X06_UCLASS_H
static inline u32 host1x_uclass_incr_syncpt_r(void)
{
return 0x0;
}
#define HOST1X_UCLASS_INCR_SYNCPT \
host1x_uclass_incr_syncpt_r()
static inline u32 host1x_uclass_incr_syncpt_cond_f(u32 v)
{
return (v & 0xff) << 8;
}
#define HOST1X_UCLASS_INCR_SYNCPT_COND_F(v) \
host1x_uclass_incr_syncpt_cond_f(v)
static inline u32 host1x_uclass_incr_syncpt_indx_f(u32 v)
{
return (v & 0xff) << 0;
}
#define HOST1X_UCLASS_INCR_SYNCPT_INDX_F(v) \
host1x_uclass_incr_syncpt_indx_f(v)
static inline u32 host1x_uclass_wait_syncpt_r(void)
{
return 0x8;
}
#define HOST1X_UCLASS_WAIT_SYNCPT \
host1x_uclass_wait_syncpt_r()
static inline u32 host1x_uclass_wait_syncpt_indx_f(u32 v)
{
return (v & 0xff) << 24;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_INDX_F(v) \
host1x_uclass_wait_syncpt_indx_f(v)
static inline u32 host1x_uclass_wait_syncpt_thresh_f(u32 v)
{
return (v & 0xffffff) << 0;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_THRESH_F(v) \
host1x_uclass_wait_syncpt_thresh_f(v)
static inline u32 host1x_uclass_wait_syncpt_base_r(void)
{
return 0x9;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE \
host1x_uclass_wait_syncpt_base_r()
static inline u32 host1x_uclass_wait_syncpt_base_indx_f(u32 v)
{
return (v & 0xff) << 24;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_INDX_F(v) \
host1x_uclass_wait_syncpt_base_indx_f(v)
static inline u32 host1x_uclass_wait_syncpt_base_base_indx_f(u32 v)
{
return (v & 0xff) << 16;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_BASE_INDX_F(v) \
host1x_uclass_wait_syncpt_base_base_indx_f(v)
static inline u32 host1x_uclass_wait_syncpt_base_offset_f(u32 v)
{
return (v & 0xffff) << 0;
}
#define HOST1X_UCLASS_WAIT_SYNCPT_BASE_OFFSET_F(v) \
host1x_uclass_wait_syncpt_base_offset_f(v)
static inline u32 host1x_uclass_load_syncpt_base_r(void)
{
return 0xb;
}
#define HOST1X_UCLASS_LOAD_SYNCPT_BASE \
host1x_uclass_load_syncpt_base_r()
static inline u32 host1x_uclass_load_syncpt_base_base_indx_f(u32 v)
{
return (v & 0xff) << 24;
}
#define HOST1X_UCLASS_LOAD_SYNCPT_BASE_BASE_INDX_F(v) \
host1x_uclass_load_syncpt_base_base_indx_f(v)
static inline u32 host1x_uclass_load_syncpt_base_value_f(u32 v)
{
return (v & 0xffffff) << 0;
}
#define HOST1X_UCLASS_LOAD_SYNCPT_BASE_VALUE_F(v) \
host1x_uclass_load_syncpt_base_value_f(v)
static inline u32 host1x_uclass_incr_syncpt_base_base_indx_f(u32 v)
{
return (v & 0xff) << 24;
}
#define HOST1X_UCLASS_INCR_SYNCPT_BASE_BASE_INDX_F(v) \
host1x_uclass_incr_syncpt_base_base_indx_f(v)
static inline u32 host1x_uclass_incr_syncpt_base_offset_f(u32 v)
{
return (v & 0xffffff) << 0;
}
#define HOST1X_UCLASS_INCR_SYNCPT_BASE_OFFSET_F(v) \
host1x_uclass_incr_syncpt_base_offset_f(v)
static inline u32 host1x_uclass_indoff_r(void)
{
return 0x2d;
}
#define HOST1X_UCLASS_INDOFF \
host1x_uclass_indoff_r()
static inline u32 host1x_uclass_indoff_indbe_f(u32 v)
{
return (v & 0xf) << 28;
}
#define HOST1X_UCLASS_INDOFF_INDBE_F(v) \
host1x_uclass_indoff_indbe_f(v)
static inline u32 host1x_uclass_indoff_autoinc_f(u32 v)
{
return (v & 0x1) << 27;
}
#define HOST1X_UCLASS_INDOFF_AUTOINC_F(v) \
host1x_uclass_indoff_autoinc_f(v)
static inline u32 host1x_uclass_indoff_indmodid_f(u32 v)
{
return (v & 0xff) << 18;
}
#define HOST1X_UCLASS_INDOFF_INDMODID_F(v) \
host1x_uclass_indoff_indmodid_f(v)
static inline u32 host1x_uclass_indoff_indroffset_f(u32 v)
{
return (v & 0xffff) << 2;
}
#define HOST1X_UCLASS_INDOFF_INDROFFSET_F(v) \
host1x_uclass_indoff_indroffset_f(v)
static inline u32 host1x_uclass_indoff_rwn_read_v(void)
{
return 1;
}
#define HOST1X_UCLASS_INDOFF_INDROFFSET_F(v) \
host1x_uclass_indoff_indroffset_f(v)
#endif
/*
* Copyright (c) 2017 NVIDIA Corporation.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#define HOST1X_CHANNEL_DMASTART 0x0000
#define HOST1X_CHANNEL_DMASTART_HI 0x0004
#define HOST1X_CHANNEL_DMAPUT 0x0008
#define HOST1X_CHANNEL_DMAPUT_HI 0x000c
#define HOST1X_CHANNEL_DMAGET 0x0010
#define HOST1X_CHANNEL_DMAGET_HI 0x0014
#define HOST1X_CHANNEL_DMAEND 0x0018
#define HOST1X_CHANNEL_DMAEND_HI 0x001c
#define HOST1X_CHANNEL_DMACTRL 0x0020
#define HOST1X_CHANNEL_DMACTRL_DMASTOP BIT(0)
#define HOST1X_CHANNEL_DMACTRL_DMAGETRST BIT(1)
#define HOST1X_CHANNEL_DMACTRL_DMAINITGET BIT(2)
#define HOST1X_CHANNEL_CMDFIFO_STAT 0x0024
#define HOST1X_CHANNEL_CMDFIFO_STAT_EMPTY BIT(13)
#define HOST1X_CHANNEL_CMDFIFO_RDATA 0x0028
#define HOST1X_CHANNEL_CMDP_OFFSET 0x0030
#define HOST1X_CHANNEL_CMDP_CLASS 0x0034
#define HOST1X_CHANNEL_CHANNELSTAT 0x0038
#define HOST1X_CHANNEL_CMDPROC_STOP 0x0048
#define HOST1X_CHANNEL_TEARDOWN 0x004c
#define HOST1X_SYNC_SYNCPT_CPU_INCR(x) (0x6400 + 4*(x))
#define HOST1X_SYNC_SYNCPT_THRESH_CPU0_INT_STATUS(x) (0x6464 + 4*(x))
#define HOST1X_SYNC_SYNCPT_THRESH_INT_ENABLE_CPU0(x) (0x652c + 4*(x))
#define HOST1X_SYNC_SYNCPT_THRESH_INT_DISABLE(x) (0x6590 + 4*(x))
#define HOST1X_SYNC_SYNCPT_BASE(x) (0x8000 + 4*(x))
#define HOST1X_SYNC_SYNCPT(x) (0x8080 + 4*(x))
#define HOST1X_SYNC_SYNCPT_INT_THRESH(x) (0x8a00 + 4*(x))
#define HOST1X_SYNC_SYNCPT_CH_APP(x) (0x9384 + 4*(x))
#define HOST1X_SYNC_SYNCPT_CH_APP_CH(v) (((v) & 0x3f) << 8)
......@@ -72,6 +72,23 @@ static void _host1x_intr_disable_all_syncpt_intrs(struct host1x *host)
}
}
static void intr_hw_init(struct host1x *host, u32 cpm)
{
#if HOST1X_HW < 6
/* disable the ip_busy_timeout. this prevents write drops */
host1x_sync_writel(host, 0, HOST1X_SYNC_IP_BUSY_TIMEOUT);
/*
* increase the auto-ack timout to the maximum value. 2d will hang
* otherwise on Tegra2.
*/
host1x_sync_writel(host, 0xff, HOST1X_SYNC_CTXSW_TIMEOUT_CFG);
/* update host clocks per usec */
host1x_sync_writel(host, cpm, HOST1X_SYNC_USEC_CLK);
#endif
}
static int
_host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
void (*syncpt_thresh_work)(struct work_struct *))
......@@ -92,17 +109,7 @@ _host1x_intr_init_host_sync(struct host1x *host, u32 cpm,
return err;
}
/* disable the ip_busy_timeout. this prevents write drops */
host1x_sync_writel(host, 0, HOST1X_SYNC_IP_BUSY_TIMEOUT);
/*
* increase the auto-ack timout to the maximum value. 2d will hang
* otherwise on Tegra2.
*/
host1x_sync_writel(host, 0xff, HOST1X_SYNC_CTXSW_TIMEOUT_CFG);
/* update host clocks per usec */
host1x_sync_writel(host, cpm, HOST1X_SYNC_USEC_CLK);
intr_hw_init(host, cpm);
return 0;
}
......
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