intel_mid: Added custom handler for ipc devices

Added a custom handler for medfield based ipc devices and
moved devs_id structure defintion to header file.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: http://lkml.kernel.org/r/1382049336-21316-9-git-send-email-david.a.cohen@linux.intel.com
Signed-off-by: David Cohen <david.a.cohen@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/x86/include/asm/intel-mid.h b/arch/x86/include/asm/intel-mid.h
index beb7a5f1862a..ad236ae45c1f 100644
--- a/arch/x86/include/asm/intel-mid.h
+++ b/arch/x86/include/asm/intel-mid.h
@@ -19,6 +19,21 @@ extern int sfi_mrtc_num;
 extern struct sfi_rtc_table_entry sfi_mrtc_array[];
 
 /*
+ * Here defines the array of devices platform data that IAFW would export
+ * through SFI "DEVS" table, we use name and type to match the device and
+ * its platform data.
+ */
+struct devs_id {
+        char name[SFI_NAME_LEN + 1];
+        u8 type;
+        u8 delay;
+        void *(*get_platform_data)(void *info);
+        /* Custom handler for devices */
+        void (*device_handler)(struct sfi_device_table_entry *pentry,
+                                struct devs_id *dev);
+};
+
+/*
  * Medfield is the follow-up of Moorestown, it combines two chip solution into
  * one. Other than that it also added always-on and constant tsc and lapic
  * timers. Medfield is the platform name, and the chip name is called Penwell