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Diffstat (limited to 'drivers/ps3/vuart.h')
-rw-r--r--drivers/ps3/vuart.h59
1 files changed, 55 insertions, 4 deletions
diff --git a/drivers/ps3/vuart.h b/drivers/ps3/vuart.h
index 2cbf728a3a0..1be992d568c 100644
--- a/drivers/ps3/vuart.h
+++ b/drivers/ps3/vuart.h
@@ -21,6 +21,44 @@
#if !defined(_PS3_VUART_H)
#define _PS3_VUART_H
+#include <asm/ps3.h>
+
+struct ps3_vuart_stats {
+ unsigned long bytes_written;
+ unsigned long bytes_read;
+ unsigned long tx_interrupts;
+ unsigned long rx_interrupts;
+ 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.
+ */
+
+struct ps3_vuart_port_priv {
+ unsigned int port_number;
+ u64 interrupt_mask;
+
+ struct {
+ spinlock_t lock;
+ struct list_head head;
+ } tx_list;
+ struct {
+ unsigned long bytes_held;
+ spinlock_t lock;
+ struct list_head head;
+ } rx_list;
+ struct ps3_vuart_stats stats;
+ struct ps3_vuart_work work;
+};
+
/**
* struct ps3_vuart_port_driver - a driver for a device on a vuart port
*/
@@ -41,10 +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)
{
@@ -55,5 +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