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authorNeelesh Gupta <neelegup@linux.vnet.ibm.com>2014-03-07 11:03:27 +0530
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2014-03-24 09:48:21 +1100
commit7224adbbb80329d1a3ec5aa98213b50365fcd246 (patch)
tree0872fcc25c32930ba7d8427a58486ee5f2588ce6 /arch/powerpc/include/asm/opal.h
parent4029cd66545f0a45258eda5313b7559bfeaaaae4 (diff)
downloadop-kernel-dev-7224adbbb80329d1a3ec5aa98213b50365fcd246.zip
op-kernel-dev-7224adbbb80329d1a3ec5aa98213b50365fcd246.tar.gz
powerpc/powernv: Enable fetching of platform sensor data
This patch enables fetching of various platform sensor data through OPAL and expects a sensor handle from the driver to pass to OPAL. Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/opal.h')
-rw-r--r--arch/powerpc/include/asm/opal.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index d239223..ffafab0 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -168,6 +168,7 @@ extern int opal_enter_rtas(struct rtas_args *args,
#define OPAL_GET_MSG 85
#define OPAL_CHECK_ASYNC_COMPLETION 86
#define OPAL_SYNC_HOST_REBOOT 87
+#define OPAL_SENSOR_READ 88
#define OPAL_GET_PARAM 89
#define OPAL_SET_PARAM 90
#define OPAL_DUMP_RESEND 91
@@ -872,6 +873,8 @@ int64_t opal_get_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
int64_t opal_set_param(uint64_t token, uint32_t param_id, uint64_t buffer,
size_t length);
+int64_t opal_sensor_read(uint32_t sensor_hndl, int token,
+ uint32_t *sensor_data);
/* Internal functions */
extern int early_init_dt_scan_opal(unsigned long node, const char *uname, int depth, void *data);
@@ -902,6 +905,7 @@ extern int opal_async_get_token_interruptible(void);
extern int __opal_async_release_token(int token);
extern int opal_async_release_token(int token);
extern int opal_async_wait_response(uint64_t token, struct opal_msg *msg);
+extern int opal_get_sensor_data(u32 sensor_hndl, u32 *sensor_data);
extern void hvc_opal_init_early(void);
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