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authorGeoff Levand <geoffrey.levand@am.sony.com>2007-02-06 14:23:47 -0800
committerPaul Mackerras <paulus@samba.org>2007-02-16 14:00:19 +1100
commitea1547d31153f8c3bdd32646f17d096d3108c838 (patch)
treed292396b7446be61318d7e70be443d88a68b32f1 /drivers/ps3/vuart.h
parent75c86e7422751c5be3caaf448d802839ec685725 (diff)
[POWERPC] PS3: Vuart add async read
Add asynchronous read support to the PS3 vuart driver. This is needed to support the PS3 system manager driver. Signed-off-by: Geoff Levand <geoffrey.levand@am.sony.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'drivers/ps3/vuart.h')
-rw-r--r--drivers/ps3/vuart.h29
1 files changed, 25 insertions, 4 deletions
diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h
index 34b360da9ff9..1be992d568c8 100644
--- a/drivers/ps3/vuart.h
+++ b/drivers/ps3/vuart.h
@@ -31,6 +31,13 @@ struct ps3_vuart_stats {
unsigned long disconnect_interrupts;
};
+struct ps3_vuart_work {
+ struct work_struct work;
+ unsigned long trigger;
+ spinlock_t lock;
+ struct ps3_vuart_port_device* dev; /* to convert work to device */
+};
+
/**
* struct ps3_vuart_port_priv - private vuart device data.
*/
@@ -49,6 +56,7 @@ struct ps3_vuart_port_priv {
struct list_head head;
} rx_list;
struct ps3_vuart_stats stats;
+ struct ps3_vuart_work work;
};
/**
@@ -71,10 +79,6 @@ struct ps3_vuart_port_driver {
int ps3_vuart_port_driver_register(struct ps3_vuart_port_driver *drv);
void ps3_vuart_port_driver_unregister(struct ps3_vuart_port_driver *drv);
-int ps3_vuart_write(struct ps3_vuart_port_device *dev,
- const void* buf, unsigned int bytes);
-int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,
- unsigned int bytes);
static inline struct ps3_vuart_port_driver *to_ps3_vuart_port_driver(
struct device_driver *_drv)
{
@@ -85,5 +89,22 @@ static inline struct ps3_vuart_port_device *to_ps3_vuart_port_device(
{
return container_of(_dev, struct ps3_vuart_port_device, core);
}
+static inline struct ps3_vuart_port_device *ps3_vuart_work_to_port_device(
+ struct work_struct *_work)
+{
+ struct ps3_vuart_work *vw = container_of(_work, struct ps3_vuart_work,
+ work);
+ return vw->dev;
+}
+
+int ps3_vuart_write(struct ps3_vuart_port_device *dev, const void* buf,
+ unsigned int bytes);
+int ps3_vuart_read(struct ps3_vuart_port_device *dev, void* buf,
+ unsigned int bytes);
+int ps3_vuart_read_async(struct ps3_vuart_port_device *dev, work_func_t func,
+ unsigned int bytes);
+void ps3_vuart_cancel_async(struct ps3_vuart_port_device *dev);
+void ps3_vuart_clear_rx_bytes(struct ps3_vuart_port_device *dev,
+ unsigned int bytes);
#endif

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