diff options
| author | Neelesh Gupta <neelegup@linux.vnet.ibm.com> | 2014-03-07 11:03:27 +0530 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-03-24 09:48:21 +1100 |
| commit | 7224adbbb80329d1a3ec5aa98213b50365fcd246 (patch) | |
| tree | 0872fcc25c32930ba7d8427a58486ee5f2588ce6 /arch/powerpc/include | |
| parent | 4029cd66545f0a45258eda5313b7559bfeaaaae4 (diff) | |
| download | linux-7224adbbb80329d1a3ec5aa98213b50365fcd246.tar.bz2 | |
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')
| -rw-r--r-- | arch/powerpc/include/asm/opal.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h index d239223279aa..ffafab037ba8 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); |