diff options
author | Terje Bergstrom <tbergstrom@nvidia.com> | 2013-03-22 16:34:02 +0200 |
---|---|---|
committer | Thierry Reding <thierry.reding@avionic-design.de> | 2013-04-22 12:32:42 +0200 |
commit | 7ede0b0bf3e2595d40d6195b6fe4c4dcef438830 (patch) | |
tree | eb59a94a3892bd41ae810b1726f7e7ae9de96812 /drivers/gpu/host1x/dev.h | |
parent | 754716874389ccbea5ee03174df8ad9e72e41880 (diff) |
gpu: host1x: Add syncpoint wait and interrupts
Add support for sync point interrupts, and sync point wait. Sync
point wait used interrupts for unblocking wait.
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/dev.h')
-rw-r--r-- | drivers/gpu/host1x/dev.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/drivers/gpu/host1x/dev.h b/drivers/gpu/host1x/dev.h index eaf602657f76..caf9cc62eb17 100644 --- a/drivers/gpu/host1x/dev.h +++ b/drivers/gpu/host1x/dev.h @@ -21,6 +21,7 @@ #include <linux/device.h> #include "syncpt.h" +#include "intr.h" struct host1x_syncpt; @@ -33,6 +34,17 @@ struct host1x_syncpt_ops { int (*patch_wait)(struct host1x_syncpt *syncpt, void *patch_addr); }; +struct host1x_intr_ops { + int (*init_host_sync)(struct host1x *host, u32 cpm, + void (*syncpt_thresh_work)(struct work_struct *work)); + void (*set_syncpt_threshold)( + struct host1x *host, u32 id, u32 thresh); + void (*enable_syncpt_intr)(struct host1x *host, u32 id); + void (*disable_syncpt_intr)(struct host1x *host, u32 id); + void (*disable_all_syncpt_intrs)(struct host1x *host); + int (*free_syncpt_irq)(struct host1x *host); +}; + struct host1x_info { int nb_channels; /* host1x: num channels supported */ int nb_pts; /* host1x: num syncpoints supported */ @@ -50,7 +62,13 @@ struct host1x { struct device *dev; struct clk *clk; + struct mutex intr_mutex; + struct workqueue_struct *intr_wq; + int intr_syncpt_irq; + const struct host1x_syncpt_ops *syncpt_op; + const struct host1x_intr_ops *intr_op; + }; void host1x_sync_writel(struct host1x *host1x, u32 r, u32 v); @@ -93,4 +111,37 @@ static inline int host1x_hw_syncpt_patch_wait(struct host1x *host, return host->syncpt_op->patch_wait(sp, patch_addr); } +static inline int host1x_hw_intr_init_host_sync(struct host1x *host, u32 cpm, + void (*syncpt_thresh_work)(struct work_struct *)) +{ + return host->intr_op->init_host_sync(host, cpm, syncpt_thresh_work); +} + +static inline void host1x_hw_intr_set_syncpt_threshold(struct host1x *host, + u32 id, u32 thresh) +{ + host->intr_op->set_syncpt_threshold(host, id, thresh); +} + +static inline void host1x_hw_intr_enable_syncpt_intr(struct host1x *host, + u32 id) +{ + host->intr_op->enable_syncpt_intr(host, id); +} + +static inline void host1x_hw_intr_disable_syncpt_intr(struct host1x *host, + u32 id) +{ + host->intr_op->disable_syncpt_intr(host, id); +} + +static inline void host1x_hw_intr_disable_all_syncpt_intrs(struct host1x *host) +{ + host->intr_op->disable_all_syncpt_intrs(host); +} + +static inline int host1x_hw_intr_free_syncpt_irq(struct host1x *host) +{ + return host->intr_op->free_syncpt_irq(host); +} #endif |