aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ibm_newemac/mal.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/ibm_newemac/mal.h')
-rw-r--r--drivers/net/ibm_newemac/mal.h38
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/net/ibm_newemac/mal.h b/drivers/net/ibm_newemac/mal.h
index eaa7262dc07..2f0a8736084 100644
--- a/drivers/net/ibm_newemac/mal.h
+++ b/drivers/net/ibm_newemac/mal.h
@@ -102,7 +102,7 @@
/* MAL V1 IER bits */
#define MAL1_IER_NWE 0x00000008
#define MAL1_IER_SOC_EVENTS MAL1_IER_NWE
-#define MAL1_IER_EVENTS (MAL1_IER_SOC_EVENTS | MAL_IER_OTE | \
+#define MAL1_IER_EVENTS (MAL1_IER_SOC_EVENTS | MAL_IER_DE | \
MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE)
/* MAL V2 IER bits */
@@ -110,7 +110,7 @@
#define MAL2_IER_PRE 0x00000040
#define MAL2_IER_PWE 0x00000020
#define MAL2_IER_SOC_EVENTS (MAL2_IER_PT | MAL2_IER_PRE | MAL2_IER_PWE)
-#define MAL2_IER_EVENTS (MAL2_IER_SOC_EVENTS | MAL_IER_OTE | \
+#define MAL2_IER_EVENTS (MAL2_IER_SOC_EVENTS | MAL_IER_DE | \
MAL_IER_OTE | MAL_IER_OE | MAL_IER_PE)
@@ -213,6 +213,8 @@ struct mal_instance {
struct of_device *ofdev;
int index;
spinlock_t lock;
+
+ unsigned int features;
};
static inline u32 get_mal_dcrn(struct mal_instance *mal, int reg)
@@ -225,6 +227,38 @@ static inline void set_mal_dcrn(struct mal_instance *mal, int reg, u32 val)
dcr_write(mal->dcr_host, reg, val);
}
+/* Features of various MAL implementations */
+
+/* Set if you have interrupt coalescing and you have to clear the SDR
+ * register for TXEOB and RXEOB interrupts to work
+ */
+#define MAL_FTR_CLEAR_ICINTSTAT 0x00000001
+
+/* Set if your MAL has SERR, TXDE, and RXDE OR'd into a single UIC
+ * interrupt
+ */
+#define MAL_FTR_COMMON_ERR_INT 0x00000002
+
+enum {
+ MAL_FTRS_ALWAYS = 0,
+
+ MAL_FTRS_POSSIBLE =
+#ifdef CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT
+ MAL_FTR_CLEAR_ICINTSTAT |
+#endif
+#ifdef CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR
+ MAL_FTR_COMMON_ERR_INT |
+#endif
+ 0,
+};
+
+static inline int mal_has_feature(struct mal_instance *dev,
+ unsigned long feature)
+{
+ return (MAL_FTRS_ALWAYS & feature) ||
+ (MAL_FTRS_POSSIBLE & dev->features & feature);
+}
+
/* Register MAL devices */
int mal_init(void);
void mal_exit(void);