1 /* 2 * PCC (Platform Communications Channel) methods 3 * 4 * This program is free software; you can redistribute it and/or 5 * modify it under the terms of the GNU General Public License 6 * as published by the Free Software Foundation; version 2 7 * of the License. 8 */ 9 10 #ifndef _PCC_H 11 #define _PCC_H 12 13 #include <linux/mailbox_controller.h> 14 #include <linux/mailbox_client.h> 15 16 #define MAX_PCC_SUBSPACES 256 17 #ifdef CONFIG_PCC 18 extern struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, 19 int subspace_id); 20 extern void pcc_mbox_free_channel(struct mbox_chan *chan); 21 #else 22 static inline struct mbox_chan *pcc_mbox_request_channel(struct mbox_client *cl, 23 int subspace_id) 24 { 25 return ERR_PTR(-ENODEV); 26 } 27 static inline void pcc_mbox_free_channel(struct mbox_chan *chan) { } 28 #endif 29 30 #endif /* _PCC_H */ 31