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media: ti-vpe: cal: Print revision and hwinfo in a more readable format

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Print the hardware revision in the X.Y.R format, which is more readable
that the 32-bit hex value. For the hardware info register, only print
its value if it doesn't contain what we expect.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Benoit Parrot <bparrot@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Laurent Pinchart 2020-07-06 20:36:32 +02:00 committed by Mauro Carvalho Chehab
parent 05930cf1e5
commit dfbb172e51
1 changed files with 22 additions and 7 deletions
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29
drivers/media/platform/ti-vpe/cal.c
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@ -2342,21 +2342,36 @@ static const struct of_device_id cal_of_match[] = {
};
MODULE_DEVICE_TABLE(of, cal_of_match);
/*
* Get Revision and HW info
*/
/* Get hardware revision and info. */
#define CAL_HL_HWINFO_VALUE 0xa3c90469
static void cal_get_hwinfo(struct cal_dev *cal)
{
u32 revision;
u32 hwinfo;
revision = reg_read(cal, CAL_HL_REVISION);
cal_dbg(3, cal, "CAL_HL_REVISION = 0x%08x (expecting 0x40000200)\n",
revision);
switch (FIELD_GET(CAL_HL_REVISION_SCHEME_MASK, revision)) {
case CAL_HL_REVISION_SCHEME_H08:
cal_dbg(3, cal, "CAL HW revision %lu.%lu.%lu (0x%08x)\n",
FIELD_GET(CAL_HL_REVISION_MAJOR_MASK, revision),
FIELD_GET(CAL_HL_REVISION_MINOR_MASK, revision),
FIELD_GET(CAL_HL_REVISION_RTL_MASK, revision),
revision);
break;
case CAL_HL_REVISION_SCHEME_LEGACY:
default:
cal_info(cal, "Unexpected CAL HW revision 0x%08x\n",
revision);
break;
}
hwinfo = reg_read(cal, CAL_HL_HWINFO);
cal_dbg(3, cal, "CAL_HL_HWINFO = 0x%08x (expecting 0xA3C90469)\n",
hwinfo);
if (hwinfo != CAL_HL_HWINFO_VALUE)
cal_info(cal, "CAL_HL_HWINFO = 0x%08x, expected 0x%08x\n",
hwinfo, CAL_HL_HWINFO_VALUE);
}
static int cal_probe(struct platform_device *pdev)