drivers: qcom: Add BCM vote macro to header

The macro to generate a Bus Controller Manager (BCM) TCS command is used
by the interconnect driver but might also be interesting to other
drivers that need to construct TCS commands for sub processors so move
it out of the sdm845 specific file and into the header.

Signed-off-by: Jordan Crouse <jcrouse@codeaurora.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>

drivers/clk/qcom/clk-rpmh.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
  */
 
 #include <linux/clk-provider.h>
@@ -12,23 +12,13 @@
 #include <linux/platform_device.h>
 #include <soc/qcom/cmd-db.h>
 #include <soc/qcom/rpmh.h>
+#include <soc/qcom/tcs.h>
 
 #include <dt-bindings/clock/qcom,rpmh.h>
 
 #define CLK_RPMH_ARC_EN_OFFSET		0
 #define CLK_RPMH_VRM_EN_OFFSET		4
 
-#define BCM_TCS_CMD_COMMIT_MASK		0x40000000
-#define BCM_TCS_CMD_VALID_SHIFT		29
-#define BCM_TCS_CMD_VOTE_MASK		0x3fff
-#define BCM_TCS_CMD_VOTE_SHIFT		0
-
-#define BCM_TCS_CMD(valid, vote)				\
-	(BCM_TCS_CMD_COMMIT_MASK |				\
-	((valid) << BCM_TCS_CMD_VALID_SHIFT) |			\
-	((vote & BCM_TCS_CMD_VOTE_MASK)				\
-	<< BCM_TCS_CMD_VOTE_SHIFT))
-
 /**
  * struct bcm_db - Auxiliary data pertaining to each Bus Clock Manager(BCM)
  * @unit: divisor used to convert Hz value to an RPMh msg
@@ -269,7 +259,7 @@ static int clk_rpmh_bcm_send_cmd(struct clk_rpmh *c, bool enable)
 	}
 
 	cmd.addr = c->res_addr;
-	cmd.data = BCM_TCS_CMD(enable, cmd_state);
+	cmd.data = BCM_TCS_CMD(1, enable, 0, cmd_state);
 
 	ret = rpmh_write_async(c->dev, RPMH_ACTIVE_ONLY_STATE, &cmd, 1);
 	if (ret) {

drivers/interconnect/qcom/sdm845.c

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved.
  *
  */
 
@@ -20,23 +20,6 @@
 #include <soc/qcom/rpmh.h>
 #include <soc/qcom/tcs.h>
 
-#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, 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))
-
 #define to_qcom_provider(_provider) \
 	container_of(_provider, struct qcom_icc_provider, provider)
 

include/soc/qcom/tcs.h

@@ -1,6 +1,6 @@
 /* SPDX-License-Identifier: GPL-2.0 */
 /*
- * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
  */
 
 #ifndef __SOC_QCOM_TCS_H__
@@ -53,4 +53,22 @@ 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
+
+/* 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))
+
 #endif /* __SOC_QCOM_TCS_H__ */