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authorAndrew Donnellan <andrew.donnellan@au1.ibm.com>2017-09-06 17:34:35 +1000
committerStewart Smith <stewart@linux.vnet.ibm.com>2017-10-02 21:59:33 -0500
commit6c22ac75211b140e56f28825fb3518f5b07aa305 (patch)
tree6d4d0553724d7f34886405ed591f836080decb88 /include
parent47cb47a1c0dad85514773fd7686fb50e5ace3966 (diff)
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i2c: Move tpm i2c wrapper code into core
The TPM code has a wrapper around the main i2c API to allow synchronous use. Move it into core/i2c.c so it can be used by other possible users. In particular, a future patch will use this to drive OpenCAPI device resets during boot time. Cc: Claudio Carvalho <cclaudio@linux.vnet.ibm.com> Cc: Frederic Barrat <fbarrat@linux.vnet.ibm.com> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'include')
-rw-r--r--include/i2c.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/i2c.h b/include/i2c.h
index e5e8584..669c30a 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -106,6 +106,11 @@ static inline int i2c_check_quirk(struct i2c_request *req, int *rc)
return 0;
}
+/* I2C synchronous request API */
+int i2c_request_send(int bus_id, int dev_addr, int read_write,
+ uint32_t offset, uint32_t offset_bytes, void* buf,
+ size_t buflen, int timeout);
+
/* P8 implementation details */
extern void p8_i2c_init(void);
extern void p8_i2c_interrupt(uint32_t chip_id);