linux-kernel - [PATCH 2/3] misc: fastrpc: Add support for cdsp1 remoteproc

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Message-Id: <20240902141821.70656-3-srinivas.kandagatla@linaro.org>
Date: Mon,  2 Sep 2024 15:18:20 +0100
From: srinivas.kandagatla@...aro.org
To: gregkh@...uxfoundation.org
Cc: linux-kernel@...r.kernel.org,
	Ling Xu <quic_lxu5@...cinc.com>,
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 2/3] misc: fastrpc: Add support for cdsp1 remoteproc

From: Ling Xu <quic_lxu5@...cinc.com>

The fastrpc supports 4 remoteproc. There are some products which
support cdsp1 remoteproc. Add changes to support cdsp1 remoteproc.

Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
[Bartosz: ported to mainline]
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 drivers/misc/fastrpc.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 878a6746f994..3db1c65d7a12 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -27,7 +27,8 @@
 #define MDSP_DOMAIN_ID (1)
 #define SDSP_DOMAIN_ID (2)
 #define CDSP_DOMAIN_ID (3)
-#define FASTRPC_DEV_MAX		4 /* adsp, mdsp, slpi, cdsp*/
+#define CDSP1_DOMAIN_ID (4)
+#define FASTRPC_DEV_MAX		5 /* adsp, mdsp, slpi, cdsp, cdsp1 */
 #define FASTRPC_MAX_SESSIONS	14
 #define FASTRPC_MAX_VMIDS	16
 #define FASTRPC_ALIGN		128
@@ -106,7 +107,7 @@
 #define miscdev_to_fdevice(d) container_of(d, struct fastrpc_device, miscdev)
 
 static const char *domains[FASTRPC_DEV_MAX] = { "adsp", "mdsp",
-						"sdsp", "cdsp"};
+						"sdsp", "cdsp", "cdsp1" };
 struct fastrpc_phy_page {
 	u64 addr;		/* physical address */
 	u64 size;		/* size of contiguous region */
@@ -2285,7 +2286,7 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 		return err;
 	}
 
-	for (i = 0; i <= CDSP_DOMAIN_ID; i++) {
+	for (i = 0; i < FASTRPC_DEV_MAX; i++) {
 		if (!strcmp(domains[i], domain)) {
 			domain_id = i;
 			break;
@@ -2343,13 +2344,14 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 	case ADSP_DOMAIN_ID:
 	case MDSP_DOMAIN_ID:
 	case SDSP_DOMAIN_ID:
-		/* Unsigned PD offloading is only supported on CDSP*/
+		/* Unsigned PD offloading is only supported on CDSP and CDSP1 */
 		data->unsigned_support = false;
 		err = fastrpc_device_register(rdev, data, secure_dsp, domains[domain_id]);
 		if (err)
 			goto fdev_error;
 		break;
 	case CDSP_DOMAIN_ID:
+	case CDSP1_DOMAIN_ID:
 		data->unsigned_support = true;
 		/* Create both device nodes so that we can allow both Signed and Unsigned PD */
 		err = fastrpc_device_register(rdev, data, true, domains[domain_id]);
-- 
2.25.1