net-caif: add CAIF core protocol stack header files

Add include files for the CAIF Core protocol stack.

caif_layer.h - Defines the structure of the CAIF protocol layers
cfcnfg.h     - CAIF Configuration Module for services and link layers
cfctrl.h     - CAIF Control Protocol Layer
cffrml.h     - CAIF Framing Layer
cfmuxl.h     - CAIF Muxing Layer
cfpkt.h	     - CAIF Packet layer (skb helper functions)
cfserl.h     - CAIF Serial Layer
cfsrvl.h     - CAIF Service Layer

Signed-off-by: Sjur Braendeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 133 insertions, 0 deletions

diff --git a/include/net/caif/cfcnfg.h b/include/net/caif/cfcnfg.h
new file mode 100644
index 000000000000..366082c5d435
--- /dev/null
+++ b/include/net/caif/cfcnfg.h
@@ -0,0 +1,133 @@
+/*
+ * Copyright (C) ST-Ericsson AB 2010
+ * Author:      Sjur Brendeland/sjur.brandeland@stericsson.com
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#ifndef CFCNFG_H_
+#define CFCNFG_H_
+#include <linux/spinlock.h>
+#include <net/caif/caif_layer.h>
+#include <net/caif/cfctrl.h>
+
+struct cfcnfg;
+
+/**
+ * enum cfcnfg_phy_type -  Types of physical layers defined in CAIF Stack
+ *
+ * @CFPHYTYPE_FRAG:     Fragmented frames physical interface.
+ * @CFPHYTYPE_CAIF:     Generic CAIF physical interface
+ */
+enum cfcnfg_phy_type {
+        CFPHYTYPE_FRAG = 1,
+        CFPHYTYPE_CAIF,
+        CFPHYTYPE_MAX
+};
+
+/**
+ * enum cfcnfg_phy_preference - Physical preference HW Abstraction
+ *
+ * @CFPHYPREF_UNSPECIFIED:      Default physical interface
+ *
+ * @CFPHYPREF_LOW_LAT:          Default physical interface for low-latency
+ *                              traffic
+ * @CFPHYPREF_HIGH_BW:          Default physical interface for high-bandwidth
+ *                              traffic
+ * @CFPHYPREF_LOOP:             TEST only Loopback interface simulating modem
+ *                              responses.
+ *
+ */
+enum cfcnfg_phy_preference {
+        CFPHYPREF_UNSPECIFIED,
+        CFPHYPREF_LOW_LAT,
+        CFPHYPREF_HIGH_BW,
+        CFPHYPREF_LOOP
+};
+
+/**
+ * cfcnfg_create() - Create the CAIF configuration object.
+ */
+struct cfcnfg *cfcnfg_create(void);
+
+/**
+ * cfcnfg_remove() -  Remove the CFCNFG object
+ * @cfg: config object
+ */
+void cfcnfg_remove(struct cfcnfg *cfg);
+
+/**
+ * cfcnfg_add_phy_layer() - Adds a physical layer to the CAIF stack.
+ * @cnfg:       Pointer to a CAIF configuration object, created by
+ *              cfcnfg_create().
+ * @phy_type:   Specifies the type of physical interface, e.g.
+ *                      CFPHYTYPE_FRAG.
+ * @dev:        Pointer to link layer device
+ * @phy_layer:  Specify the physical layer. The transmit function
+ *              MUST be set in the structure.
+ * @phyid:      The assigned physical ID for this layer, used in
+ *              cfcnfg_add_adapt_layer to specify PHY for the link.
+ * @pref:       The phy (link layer) preference.
+ * @fcs:        Specify if checksum is used in CAIF Framing Layer.
+ * @stx:        Specify if Start Of Frame eXtention is used.
+ */
+
+void
+cfcnfg_add_phy_layer(struct cfcnfg *cnfg, enum cfcnfg_phy_type phy_type,
+                     void *dev, struct cflayer *phy_layer, u16 *phyid,
+                     enum cfcnfg_phy_preference pref,
+                     bool fcs, bool stx);
+
+/**
+ * cfcnfg_del_phy_layer - Deletes an phy layer from the CAIF stack.
+ *
+ * @cnfg:       Pointer to a CAIF configuration object, created by
+ *              cfcnfg_create().
+ * @phy_layer:  Adaptation layer to be removed.
+ */
+int cfcnfg_del_phy_layer(struct cfcnfg *cnfg, struct cflayer *phy_layer);
+
+/**
+ * cfcnfg_del_adapt_layer - Deletes an adaptation layer from the CAIF stack.
+ *
+ * @cnfg:       Pointer to a CAIF configuration object, created by
+ *              cfcnfg_create().
+ * @adap_layer: Adaptation layer to be removed.
+ */
+int cfcnfg_del_adapt_layer(struct cfcnfg *cnfg, struct cflayer *adap_layer);
+
+/**
+ * cfcnfg_add_adaptation_layer - Add an adaptation layer to the CAIF stack.
+ *
+ * The adaptation Layer is where the interface to application or higher-level
+ * driver functionality is implemented.
+ *
+ * @cnfg:               Pointer to a CAIF configuration object, created by
+ *                              cfcnfg_create().
+ * @param:              Link setup parameters.
+ * @adap_layer:         Specify the adaptation layer; the receive and
+ *                      flow-control functions MUST be set in the structure.
+ *
+ */
+int
+cfcnfg_add_adaptation_layer(struct cfcnfg *cnfg,
+                            struct cfctrl_link_param *param,
+                            struct cflayer *adap_layer);
+
+/**
+ * cfcnfg_get_phyid() - Get physical ID, given type.
+ * Returns one of the physical interfaces matching the given type.
+ * Zero if no match is found.
+ * @cnfg:       Configuration object
+ * @phy_pref:   Caif Link Layer preference
+ */
+struct dev_info *cfcnfg_get_phyid(struct cfcnfg *cnfg,
+                     enum cfcnfg_phy_preference phy_pref);
+
+/**
+ * cfcnfg_get_named() - Get the Physical Identifier of CAIF Link Layer
+ * @cnfg:       Configuration object
+ * @name:       Name of the Physical Layer (Caif Link Layer)
+ */
+int cfcnfg_get_named(struct cfcnfg *cnfg, char *name);
+
+#endif                          /* CFCNFG_H_ */