wlcore/wl12xx: add command trigger and event ack operations

Different chips may use different bits in the interrupt trigger
register.  Add operations to handle these differences.

Signed-off-by: Luciano Coelho <coelho@ti.com>

5 files changed, 40 insertions, 19 deletions

diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c
index cef2884b37c..8d82203d3da 100644
--- a/drivers/net/wireless/ti/wl12xx/main.c
+++ b/drivers/net/wireless/ti/wl12xx/main.c
@@ -571,6 +571,16 @@ out:
         return ret;
 }
 
+static void wl12xx_trigger_cmd(struct wl1271 *wl)
+{
+        wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_CMD);
+}
+
+static void wl12xx_ack_event(struct wl1271 *wl)
+{
+        wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL12XX_INTR_TRIG_EVENT_ACK);
+}
+
 static bool wl12xx_mac_in_fuse(struct wl1271 *wl)
 {
         bool supported = false;
@@ -637,6 +647,8 @@ static void wl12xx_get_mac(struct wl1271 *wl)
 static struct wlcore_ops wl12xx_ops = {
         .identify_chip  = wl12xx_identify_chip,
         .boot           = wl12xx_boot,
+        .trigger_cmd    = wl12xx_trigger_cmd,
+        .ack_event      = wl12xx_ack_event,
         .get_pg_ver     = wl12xx_get_pg_ver,
         .get_mac        = wl12xx_get_mac,
 };
diff --git a/drivers/net/wireless/ti/wl12xx/reg.h b/drivers/net/wireless/ti/wl12xx/reg.h
index 003041bdb5f..79ede02e258 100644
--- a/drivers/net/wireless/ti/wl12xx/reg.h
+++ b/drivers/net/wireless/ti/wl12xx/reg.h
@@ -490,6 +490,22 @@ enum {
 
 /* end PLL configuration algorithm for wl128x */
 
+/*
+ * Host Command Interrupt. Setting this bit masks
+ * the interrupt that the host issues to inform
+ * the FW that it has sent a command
+ * to the Wlan hardware Command Mailbox.
+ */
+#define WL12XX_INTR_TRIG_CMD            BIT(0)
+
+/*
+ * Host Event Acknowlegde Interrupt. The host
+ * sets this bit to acknowledge that it received
+ * the unsolicited information from the event
+ * mailbox.
+ */
+#define WL12XX_INTR_TRIG_EVENT_ACK      BIT(1)
+
 /*===============================================
   HI_CFG Interface Configuration Register Values
   ------------------------------------------
diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c
index 3ec86e96f5c..e80f674e77c 100644
--- a/drivers/net/wireless/ti/wlcore/cmd.c
+++ b/drivers/net/wireless/ti/wlcore/cmd.c
@@ -66,7 +66,11 @@ int wl1271_cmd_send(struct wl1271 *wl, u16 id, void *buf, size_t len,
 
         wl1271_write(wl, wl->cmd_box_addr, buf, len, false);
 
-        wlcore_write_reg(wl, REG_INTERRUPT_TRIG, INTR_TRIG_CMD);
+        /*
+         * TODO: we just need this because one bit is in a different
+         * place.  Is there any better way?
+         */
+        wl->ops->trigger_cmd(wl);
 
         timeout = jiffies + msecs_to_jiffies(WL1271_COMMAND_TIMEOUT);
 
diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c
index 078cb012fcc..e3f572cbdf9 100644
--- a/drivers/net/wireless/ti/wlcore/event.c
+++ b/drivers/net/wireless/ti/wlcore/event.c
@@ -305,8 +305,11 @@ int wl1271_event_handle(struct wl1271 *wl, u8 mbox_num)
         if (ret < 0)
                 return ret;
 
-        /* then we let the firmware know it can go on...*/
-        wlcore_write_reg(wl, REG_INTERRUPT_TRIG, INTR_TRIG_EVENT_ACK);
+        /*
+         * TODO: we just need this because one bit is in a different
+         * place.  Is there any better way?
+         */
+        wl->ops->ack_event(wl);
 
         return 0;
 }
diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h
index 38d1ed2967c..76c27dd93c2 100644
--- a/drivers/net/wireless/ti/wlcore/wlcore.h
+++ b/drivers/net/wireless/ti/wlcore/wlcore.h
@@ -30,6 +30,8 @@
 struct wlcore_ops {
         int (*identify_chip)(struct wl1271 *wl);
         int (*boot)(struct wl1271 *wl);
+        void (*trigger_cmd)(struct wl1271 *wl);
+        void (*ack_event)(struct wl1271 *wl);
         s8 (*get_pg_ver)(struct wl1271 *wl);
         void (*get_mac)(struct wl1271 *wl);
 };
@@ -345,22 +347,6 @@ int wlcore_free_hw(struct wl1271 *wl);
 /* Hardware to Embedded CPU Interrupts - first 32-bit register set */
 
 /*
- * Host Command Interrupt. Setting this bit masks
- * the interrupt that the host issues to inform
- * the FW that it has sent a command
- * to the Wlan hardware Command Mailbox.
- */
-#define INTR_TRIG_CMD       BIT(0)
-
-/*
- * Host Event Acknowlegde Interrupt. The host
- * sets this bit to acknowledge that it received
- * the unsolicited information from the event
- * mailbox.
- */
-#define INTR_TRIG_EVENT_ACK BIT(1)
-
-/*
  * The host sets this bit to inform the Wlan
  * FW that a TX packet is in the XFER
  * Buffer #0.