aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/gpu/host1x/hw/hw_host1x01_channel.h
diff options
context:
space:
mode:
authorTerje Bergstrom <tbergstrom@nvidia.com>2013-03-22 16:34:04 +0200
committerThierry Reding <thierry.reding@avionic-design.de>2013-04-22 12:32:46 +0200
commit6236451d83a720072053855fa63d51934024a707 (patch)
tree8596f5ceee4e8b38804a74895d698a389e5cf6bf /drivers/gpu/host1x/hw/hw_host1x01_channel.h
parentgpu: host1x: Add channel support (diff)
downloadlinux-dev-6236451d83a720072053855fa63d51934024a707.tar.xz
linux-dev-6236451d83a720072053855fa63d51934024a707.zip
gpu: host1x: Add debug support
Add support for host1x debugging. Adds debugfs entries, and dumps channel state to UART in case of stuck job. Signed-off-by: Arto Merilainen <amerilainen@nvidia.com> Signed-off-by: Terje Bergstrom <tbergstrom@nvidia.com> Reviewed-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Thierry Reding <thierry.reding@avionic-design.de> Tested-by: Erik Faye-Lund <kusmabite@gmail.com> Signed-off-by: Thierry Reding <thierry.reding@avionic-design.de>
Diffstat (limited to 'drivers/gpu/host1x/hw/hw_host1x01_channel.h')
-rw-r--r--drivers/gpu/host1x/hw/hw_host1x01_channel.h18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/hw/hw_host1x01_channel.h b/drivers/gpu/host1x/hw/hw_host1x01_channel.h
index 9ba133205668..b4bc7ca4e051 100644
--- a/drivers/gpu/host1x/hw/hw_host1x01_channel.h
+++ b/drivers/gpu/host1x/hw/hw_host1x01_channel.h
@@ -51,6 +51,18 @@
#ifndef __hw_host1x_channel_host1x_h__
#define __hw_host1x_channel_host1x_h__
+static inline u32 host1x_channel_fifostat_r(void)
+{
+ return 0x0;
+}
+#define HOST1X_CHANNEL_FIFOSTAT \
+ host1x_channel_fifostat_r()
+static inline u32 host1x_channel_fifostat_cfempty_v(u32 r)
+{
+ return (r >> 10) & 0x1;
+}
+#define HOST1X_CHANNEL_FIFOSTAT_CFEMPTY_V(r) \
+ host1x_channel_fifostat_cfempty_v(r)
static inline u32 host1x_channel_dmastart_r(void)
{
return 0x14;
@@ -87,6 +99,12 @@ static inline u32 host1x_channel_dmactrl_dmastop(void)
}
#define HOST1X_CHANNEL_DMACTRL_DMASTOP \
host1x_channel_dmactrl_dmastop()
+static inline u32 host1x_channel_dmactrl_dmastop_v(u32 r)
+{
+ return (r >> 0) & 0x1;
+}
+#define HOST1X_CHANNEL_DMACTRL_DMASTOP_V(r) \
+ host1x_channel_dmactrl_dmastop_v(r)
static inline u32 host1x_channel_dmactrl_dmagetrst(void)
{
return 1 << 1;