diff mbox series

[v2,36/41] media: atomisp: print firmware data during load

Message ID 0cad0cb793ea9946043b8a02112673165e24ec72.1590821410.git.mchehab+huawei@kernel.org
State New
Headers show
Series More atomisp fixes and cleanups | expand

Commit Message

Mauro Carvalho Chehab May 30, 2020, 6:55 a.m. UTC
While there's a way to list the firmware binaries in runtime,
it is worth to also print it during firmware load.

One advantage is that this code also introduces additional
checks with regards to invalid firmware types, which can be
useful to identify problems.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
 .../media/atomisp/pci/sh_css_firmware.c       | 48 ++++++++++++++++++-
 1 file changed, 47 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/staging/media/atomisp/pci/sh_css_firmware.c b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
index 63415356c36d..7cd27707a35f 100644
--- a/drivers/staging/media/atomisp/pci/sh_css_firmware.c
+++ b/drivers/staging/media/atomisp/pci/sh_css_firmware.c
@@ -206,6 +206,20 @@  sh_css_check_firmware_version(struct device *dev, const char *fw_data)
 	return 0;
 }
 
+static const char *fw_type_name[] = {
+	[ia_css_sp_firmware]		= "SP",
+	[ia_css_isp_firmware]		= "ISP",
+	[ia_css_bootloader_firmware]	= "BootLoader",
+	[ia_css_acc_firmware]		= "accel",
+};
+
+static const char *fw_acc_type_name[] = {
+	[IA_CSS_ACC_NONE] = 		"Normal",
+	[IA_CSS_ACC_OUTPUT] = 		"Accel for output",
+	[IA_CSS_ACC_VIEWFINDER] = 	"Accel for viewfinder",
+	[IA_CSS_ACC_STANDALONE] = 	"Stand-alone accel",
+};
+
 int
 sh_css_load_firmware(struct device *dev, const char *fw_data,
 		     unsigned int fw_size) {
@@ -276,13 +290,45 @@  sh_css_load_firmware(struct device *dev, const char *fw_data,
 		if (bi->blob.offset + bi->blob.size > fw_size)
 			return -EINVAL;
 
+		switch (bd.header.type) {
+		case ia_css_isp_firmware:
+			if (bd.header.info.isp.type > IA_CSS_ACC_STANDALONE) {
+				dev_err(dev, "binary #%2d: invalid SP type\n",
+					i);
+				return -EINVAL;
+			}
+
+			dev_dbg(dev,
+				"binary #%-2d type %s (%s), binary id is %2d: %s\n",
+				i,
+				fw_type_name[bd.header.type],
+				fw_acc_type_name[bd.header.info.isp.type],
+				bd.header.info.isp.sp.id,
+				bd.name);
+			break;
+		case ia_css_sp_firmware:
+		case ia_css_bootloader_firmware:
+		case ia_css_acc_firmware:
+			dev_dbg(dev,
+				"binary #%-2d type %s: %s\n",
+				i, fw_type_name[bd.header.type],
+				bd.name);
+		default:
+			if (bd.header.info.isp.type > IA_CSS_ACC_STANDALONE) {
+				dev_err(dev,
+					"binary #%2d: invalid firmware type\n",
+					i);
+				return -EINVAL;
+			}
+			break;
+		}
+
 		if (bi->type == ia_css_sp_firmware) {
 			if (i != SP_FIRMWARE)
 				return -EINVAL;
 			err = setup_binary(bi, fw_data, &sh_css_sp_fw, i);
 			if (err)
 				return err;
-			dev_dbg(dev, "firmware #%d (SP), name %s\n", i, bd.name);
 
 		} else {
 			/* All subsequent binaries (including bootloaders) (i>NUM_OF_SPS) are ISP firmware */