iwlwifi: move host command sending functions to core module

1. Host command sending functions moved from iwl4965-base.c to iwl-hcmd.c
in iwlcore module
2. enqueue_hcmd function currently stays in iwl4965-base.c. It is invoked
   through the new 'utils' field in priv's ops.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Assaf Krauss <assaf.krauss@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 4dde4d6..ce7f90e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -63,6 +63,13 @@
 #ifndef __iwl_core_h__
 #define __iwl_core_h__
 
+/************************
+ * forward declarations *
+ ************************/
+struct iwl_host_cmd;
+struct iwl_cmd;
+
+
 #define IWLWIFI_VERSION "1.2.26k"
 #define DRV_COPYRIGHT	"Copyright(c) 2003-2008 Intel Corporation"
 
@@ -75,6 +82,10 @@
 #define IWL_SKU_A       0x2
 #define IWL_SKU_N       0x8
 
+struct iwl_hcmd_utils_ops {
+	int (*enqueue_hcmd)(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
+};
+
 struct iwl_lib_ops {
 	/* iwlwifi driver (priv) init */
 	int (*init_drv)(struct iwl_priv *priv);
@@ -84,6 +95,7 @@
 
 struct iwl_ops {
 	const struct iwl_lib_ops *lib;
+	const struct iwl_hcmd_utils_ops *utils;
 };
 
 struct iwl_mod_params {
@@ -120,4 +132,18 @@
 
 int iwl_setup(struct iwl_priv *priv);
 
+/*****************************************************
+ *   S e n d i n g     H o s t     C o m m a n d s   *
+ *****************************************************/
+
+const char *get_cmd_string(u8 cmd);
+int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
+int iwl_send_cmd(struct iwl_priv *priv, struct iwl_host_cmd *cmd);
+int iwl_send_cmd_pdu(struct iwl_priv *priv, u8 id, u16 len, const void *data);
+int iwl_send_cmd_pdu_async(struct iwl_priv *priv, u8 id, u16 len,
+			   const void *data,
+			   int (*callback)(struct iwl_priv *priv,
+					   struct iwl_cmd *cmd,
+					   struct sk_buff *skb));
+
 #endif /* __iwl_core_h__ */