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Diffstat (limited to 'include/soc/qcom/tcs.h')
-rw-r--r--include/soc/qcom/tcs.h35
1 files changed, 20 insertions, 15 deletions
diff --git a/include/soc/qcom/tcs.h b/include/soc/qcom/tcs.h
index 7a2a055ba6b0..cff67ce25488 100644
--- a/include/soc/qcom/tcs.h
+++ b/include/soc/qcom/tcs.h
@@ -6,6 +6,9 @@
#ifndef __SOC_QCOM_TCS_H__
#define __SOC_QCOM_TCS_H__
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+
#define MAX_RPMH_PAYLOAD 16
/**
@@ -30,7 +33,13 @@ enum rpmh_state {
*
* @addr: the address of the resource slv_id:18:16 | offset:0:15
* @data: the resource state request
- * @wait: wait for this request to be complete before sending the next
+ * @wait: ensure that this command is complete before returning.
+ * Setting "wait" here only makes sense during rpmh_write_batch() for
+ * active-only transfers, this is because:
+ * rpmh_write() - Always waits.
+ * (DEFINE_RPMH_MSG_ONSTACK will set .wait_for_compl)
+ * rpmh_write_async() - Never waits.
+ * (There's no request completion callback)
*/
struct tcs_cmd {
u32 addr;
@@ -43,6 +52,7 @@ struct tcs_cmd {
*
* @state: state for the request.
* @wait_for_compl: wait until we get a response from the h/w accelerator
+ * (same as setting cmd->wait for all commands in the request)
* @num_cmds: the number of @cmds in this request
* @cmds: an array of tcs_cmds
*/
@@ -53,22 +63,17 @@ struct tcs_request {
struct tcs_cmd *cmds;
};
-#define BCM_TCS_CMD_COMMIT_SHFT 30
-#define BCM_TCS_CMD_COMMIT_MASK 0x40000000
-#define BCM_TCS_CMD_VALID_SHFT 29
-#define BCM_TCS_CMD_VALID_MASK 0x20000000
-#define BCM_TCS_CMD_VOTE_X_SHFT 14
-#define BCM_TCS_CMD_VOTE_MASK 0x3fff
-#define BCM_TCS_CMD_VOTE_Y_SHFT 0
-#define BCM_TCS_CMD_VOTE_Y_MASK 0xfffc000
+#define BCM_TCS_CMD_COMMIT_MASK BIT(30)
+#define BCM_TCS_CMD_VALID_MASK BIT(29)
+#define BCM_TCS_CMD_VOTE_MASK GENMASK(13, 0)
+#define BCM_TCS_CMD_VOTE_Y_MASK GENMASK(13, 0)
+#define BCM_TCS_CMD_VOTE_X_MASK GENMASK(27, 14)
/* Construct a Bus Clock Manager (BCM) specific TCS command */
#define BCM_TCS_CMD(commit, valid, vote_x, vote_y) \
- (((commit) << BCM_TCS_CMD_COMMIT_SHFT) | \
- ((valid) << BCM_TCS_CMD_VALID_SHFT) | \
- ((cpu_to_le32(vote_x) & \
- BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_X_SHFT) | \
- ((cpu_to_le32(vote_y) & \
- BCM_TCS_CMD_VOTE_MASK) << BCM_TCS_CMD_VOTE_Y_SHFT))
+ (u32_encode_bits(commit, BCM_TCS_CMD_COMMIT_MASK) | \
+ u32_encode_bits(valid, BCM_TCS_CMD_VALID_MASK) | \
+ u32_encode_bits(vote_x, BCM_TCS_CMD_VOTE_X_MASK) | \
+ u32_encode_bits(vote_y, BCM_TCS_CMD_VOTE_Y_MASK))
#endif /* __SOC_QCOM_TCS_H__ */