Changeset d51838f in mainline for uspace/lib/c

Timestamp:

2017-10-14T22:49:18Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

75911d24

Parents:

ce732e74

Message:

Let leaf drivers enable/disable/clear interrupts via hw_res instead of directly using irc.

Location:

uspace/lib/c

Files:

• generic/device/hw_res.c (modified) (1 diff)
• include/device/hw_res.h (modified) (2 diffs)

uspace/lib/c/generic/device/hw_res.c

@@ -86 +86 @@
 }
 
+int hw_res_disable_interrupt(async_sess_t *sess, int irq)
+{
+        async_exch_t *exch = async_exchange_begin(sess);
+        
+        int rc = async_req_2_0(exch, DEV_IFACE_ID(HW_RES_DEV_IFACE),
+            HW_RES_DISABLE_INTERRUPT, irq);
+        async_exchange_end(exch);
+        
+        return rc;
+}
+
+int hw_res_clear_interrupt(async_sess_t *sess, int irq)
+{
+        async_exch_t *exch = async_exchange_begin(sess);
+        
+        int rc = async_req_2_0(exch, DEV_IFACE_ID(HW_RES_DEV_IFACE),
+            HW_RES_CLEAR_INTERRUPT, irq);
+        async_exchange_end(exch);
+        
+        return rc;
+}
+
 /** Setup DMA channel to specified place and mode.
  *

uspace/lib/c/include/device/hw_res.h

@@ -52 +52 @@
         HW_RES_GET_RESOURCE_LIST = 0,
         HW_RES_ENABLE_INTERRUPT,
+        HW_RES_DISABLE_INTERRUPT,
+        HW_RES_CLEAR_INTERRUPT,
         HW_RES_DMA_CHANNEL_SETUP,
         HW_RES_DMA_CHANNEL_REMAIN,
@@ -116 +118 @@
 extern int hw_res_get_resource_list(async_sess_t *, hw_resource_list_t *);
 extern int hw_res_enable_interrupt(async_sess_t *, int);
+extern int hw_res_disable_interrupt(async_sess_t *, int);
+extern int hw_res_clear_interrupt(async_sess_t *, int);
 
 extern int hw_res_dma_channel_setup(async_sess_t *, unsigned int, uint32_t,