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authorViresh Kumar <viresh.kumar@linaro.org>2020-01-31 08:28:12 +0300
committerSudeep Holla <sudeep.holla@arm.com>2020-02-10 14:50:47 +0300
commitc4eb83660aef549a6a50965ec5f0af9c8306d2e9 (patch)
tree8fb4aa6c5f6e6270c6386494dd8712f388b9df5f /drivers/firmware/arm_scmi
parent71af05a7d0eb63fa5a6b64f296a5f2c8d84d6a9e (diff)
downloadlinux-c4eb83660aef549a6a50965ec5f0af9c8306d2e9.tar.xz
firmware: arm_scmi: Move macros and helpers to common.h
Move message header specific macros and helper routines to common.h as they will be used outside of driver.c in a later commit. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Link: https://lore.kernel.org/r/6615db480370719b0a0241447a5f3feb8eea421f.1580448239.git.viresh.kumar@linaro.org Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
Diffstat (limited to 'drivers/firmware/arm_scmi')
-rw-r--r--drivers/firmware/arm_scmi/common.h40
-rw-r--r--drivers/firmware/arm_scmi/driver.c40
2 files changed, 40 insertions, 40 deletions
diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h
index 227934871929..934b5a23f10b 100644
--- a/drivers/firmware/arm_scmi/common.h
+++ b/drivers/firmware/arm_scmi/common.h
@@ -47,6 +47,19 @@ struct scmi_msg_resp_prot_version {
__le16 major_version;
};
+#define MSG_ID_MASK GENMASK(7, 0)
+#define MSG_XTRACT_ID(hdr) FIELD_GET(MSG_ID_MASK, (hdr))
+#define MSG_TYPE_MASK GENMASK(9, 8)
+#define MSG_XTRACT_TYPE(hdr) FIELD_GET(MSG_TYPE_MASK, (hdr))
+#define MSG_TYPE_COMMAND 0
+#define MSG_TYPE_DELAYED_RESP 2
+#define MSG_TYPE_NOTIFICATION 3
+#define MSG_PROTOCOL_ID_MASK GENMASK(17, 10)
+#define MSG_XTRACT_PROT_ID(hdr) FIELD_GET(MSG_PROTOCOL_ID_MASK, (hdr))
+#define MSG_TOKEN_ID_MASK GENMASK(27, 18)
+#define MSG_XTRACT_TOKEN(hdr) FIELD_GET(MSG_TOKEN_ID_MASK, (hdr))
+#define MSG_TOKEN_MAX (MSG_XTRACT_TOKEN(MSG_TOKEN_ID_MASK) + 1)
+
/**
* struct scmi_msg_hdr - Message(Tx/Rx) header
*
@@ -68,6 +81,33 @@ struct scmi_msg_hdr {
};
/**
+ * pack_scmi_header() - packs and returns 32-bit header
+ *
+ * @hdr: pointer to header containing all the information on message id,
+ * protocol id and sequence id.
+ *
+ * Return: 32-bit packed message header to be sent to the platform.
+ */
+static inline u32 pack_scmi_header(struct scmi_msg_hdr *hdr)
+{
+ return FIELD_PREP(MSG_ID_MASK, hdr->id) |
+ FIELD_PREP(MSG_TOKEN_ID_MASK, hdr->seq) |
+ FIELD_PREP(MSG_PROTOCOL_ID_MASK, hdr->protocol_id);
+}
+
+/**
+ * unpack_scmi_header() - unpacks and records message and protocol id
+ *
+ * @msg_hdr: 32-bit packed message header sent from the platform
+ * @hdr: pointer to header to fetch message and protocol id.
+ */
+static inline void unpack_scmi_header(u32 msg_hdr, struct scmi_msg_hdr *hdr)
+{
+ hdr->id = MSG_XTRACT_ID(msg_hdr);
+ hdr->protocol_id = MSG_XTRACT_PROT_ID(msg_hdr);
+}
+
+/**
* struct scmi_msg - Message(Tx/Rx) structure
*
* @buf: Buffer pointer
diff --git a/drivers/firmware/arm_scmi/driver.c b/drivers/firmware/arm_scmi/driver.c
index 978eafb53471..716423063b14 100644
--- a/drivers/firmware/arm_scmi/driver.c
+++ b/drivers/firmware/arm_scmi/driver.c
@@ -32,19 +32,6 @@
#define CREATE_TRACE_POINTS
#include <trace/events/scmi.h>
-#define MSG_ID_MASK GENMASK(7, 0)
-#define MSG_XTRACT_ID(hdr) FIELD_GET(MSG_ID_MASK, (hdr))
-#define MSG_TYPE_MASK GENMASK(9, 8)
-#define MSG_XTRACT_TYPE(hdr) FIELD_GET(MSG_TYPE_MASK, (hdr))
-#define MSG_TYPE_COMMAND 0
-#define MSG_TYPE_DELAYED_RESP 2
-#define MSG_TYPE_NOTIFICATION 3
-#define MSG_PROTOCOL_ID_MASK GENMASK(17, 10)
-#define MSG_XTRACT_PROT_ID(hdr) FIELD_GET(MSG_PROTOCOL_ID_MASK, (hdr))
-#define MSG_TOKEN_ID_MASK GENMASK(27, 18)
-#define MSG_XTRACT_TOKEN(hdr) FIELD_GET(MSG_TOKEN_ID_MASK, (hdr))
-#define MSG_TOKEN_MAX (MSG_XTRACT_TOKEN(MSG_TOKEN_ID_MASK) + 1)
-
enum scmi_error_codes {
SCMI_SUCCESS = 0, /* Success */
SCMI_ERR_SUPPORT = -1, /* Not supported */
@@ -211,33 +198,6 @@ static void scmi_fetch_response(struct scmi_xfer *xfer,
}
/**
- * pack_scmi_header() - packs and returns 32-bit header
- *
- * @hdr: pointer to header containing all the information on message id,
- * protocol id and sequence id.
- *
- * Return: 32-bit packed message header to be sent to the platform.
- */
-static inline u32 pack_scmi_header(struct scmi_msg_hdr *hdr)
-{
- return FIELD_PREP(MSG_ID_MASK, hdr->id) |
- FIELD_PREP(MSG_TOKEN_ID_MASK, hdr->seq) |
- FIELD_PREP(MSG_PROTOCOL_ID_MASK, hdr->protocol_id);
-}
-
-/**
- * unpack_scmi_header() - unpacks and records message and protocol id
- *
- * @msg_hdr: 32-bit packed message header sent from the platform
- * @hdr: pointer to header to fetch message and protocol id.
- */
-static inline void unpack_scmi_header(u32 msg_hdr, struct scmi_msg_hdr *hdr)
-{
- hdr->id = MSG_XTRACT_ID(msg_hdr);
- hdr->protocol_id = MSG_XTRACT_PROT_ID(msg_hdr);
-}
-
-/**
* scmi_tx_prepare() - mailbox client callback to prepare for the transfer
*
* @cl: client pointer