linux-kernel - [PATCH 2/2] misc: fastrpc: add support for gpdsp remoteproc

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Message-ID: <20250320051645.2254904-3-quic_lxu5@quicinc.com>
Date: Thu, 20 Mar 2025 10:46:45 +0530
From: Ling Xu <quic_lxu5@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <srinivas.kandagatla@...aro.org>, <amahesh@....qualcomm.com>,
        <arnd@...db.de>, <gregkh@...uxfoundation.org>
CC: <quic_kuiw@...cinc.com>, <quic_ekangupt@...cinc.com>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <dri-devel@...ts.freedesktop.org>,
        Ling Xu
	<quic_lxu5@...cinc.com>
Subject: [PATCH 2/2] misc: fastrpc: add support for gpdsp remoteproc

The fastrpc driver has support for 5 types of remoteprocs. There are
some products which support GPDSP remoteprocs. Add changes to support
GPDSP remoteprocs.

Signed-off-by: Ling Xu <quic_lxu5@...cinc.com>
---
 drivers/misc/fastrpc.c | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c
index 7b7a22c91fe4..80aa554b3042 100644
--- a/drivers/misc/fastrpc.c
+++ b/drivers/misc/fastrpc.c
@@ -28,7 +28,9 @@
 #define SDSP_DOMAIN_ID (2)
 #define CDSP_DOMAIN_ID (3)
 #define CDSP1_DOMAIN_ID (4)
-#define FASTRPC_DEV_MAX		5 /* adsp, mdsp, slpi, cdsp, cdsp1 */
+#define GDSP0_DOMAIN_ID (5)
+#define GDSP1_DOMAIN_ID (6)
+#define FASTRPC_DEV_MAX		7 /* adsp, mdsp, slpi, cdsp, cdsp1, gdsp0, gdsp1 */
 #define FASTRPC_MAX_SESSIONS	14
 #define FASTRPC_MAX_VMIDS	16
 #define FASTRPC_ALIGN		128
@@ -107,7 +109,9 @@
 #define miscdev_to_fdevice(d) container_of(d, struct fastrpc_device, miscdev)
 
 static const char *domains[FASTRPC_DEV_MAX] = { "adsp", "mdsp",
-						"sdsp", "cdsp", "cdsp1" };
+						"sdsp", "cdsp",
+						"cdsp1", "gdsp0",
+						"gdsp1" };
 struct fastrpc_phy_page {
 	u64 addr;		/* physical address */
 	u64 size;		/* size of contiguous region */
@@ -2338,6 +2342,8 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev)
 		break;
 	case CDSP_DOMAIN_ID:
 	case CDSP1_DOMAIN_ID:
+	case GDSP0_DOMAIN_ID:
+	case GDSP1_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]);
-- 
2.34.1