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[PATCH v4 4/8] hw/i2c: pmbus: add VCAP register
From: |
titusr |
Subject: |
[PATCH v4 4/8] hw/i2c: pmbus: add VCAP register |
Date: |
Mon, 23 Oct 2023 23:46:43 +0000 |
VCAP is a register for devices with energy storage capacitors.
Reviewed-by: Benjamin Streb <bstreb@google.com>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Titus Rwantare <titusr@google.com>
---
hw/i2c/pmbus_device.c | 8 ++++++++
include/hw/i2c/pmbus_device.h | 1 +
2 files changed, 9 insertions(+)
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
index c1d8c93056..3bce39e84e 100644
--- a/hw/i2c/pmbus_device.c
+++ b/hw/i2c/pmbus_device.c
@@ -906,6 +906,14 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
}
break;
+ case PMBUS_READ_VCAP: /* Read-Only word */
+ if (pmdev->pages[index].page_flags & PB_HAS_VCAP) {
+ pmbus_send16(pmdev, pmdev->pages[index].read_vcap);
+ } else {
+ goto passthough;
+ }
+ break;
+
case PMBUS_READ_VOUT: /* Read-Only word */
if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
pmbus_send16(pmdev, pmdev->pages[index].read_vout);
diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h
index ad431bdc7c..f195c11384 100644
--- a/include/hw/i2c/pmbus_device.h
+++ b/include/hw/i2c/pmbus_device.h
@@ -243,6 +243,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass,
#define PB_HAS_VIN_RATING BIT_ULL(13)
#define PB_HAS_VOUT_RATING BIT_ULL(14)
#define PB_HAS_VOUT_MODE BIT_ULL(15)
+#define PB_HAS_VCAP BIT_ULL(16)
#define PB_HAS_IOUT BIT_ULL(21)
#define PB_HAS_IIN BIT_ULL(22)
#define PB_HAS_IOUT_RATING BIT_ULL(23)
--
2.42.0.758.gaed0368e0e-goog
- [PATCH v4 0/8] PMBus fixes and new functions, titusr, 2023/10/23
- [PATCH v4 1/8] hw/i2c: pmbus add support for block receive, titusr, 2023/10/23
- [PATCH v4 2/8] hw/i2c: pmbus: add vout mode bitfields, titusr, 2023/10/23
- [PATCH v4 4/8] hw/i2c: pmbus: add VCAP register,
titusr <=
- [PATCH v4 3/8] hw/i2c: pmbus: add fan support, titusr, 2023/10/23
- [PATCH v4 7/8] hw/i2c: pmbus: immediately clear faults on request, titusr, 2023/10/23
- [PATCH v4 6/8] tests/qtest: add tests for ADM1266, titusr, 2023/10/23
- [PATCH v4 8/8] hw/i2c: pmbus: reset page register for out of range reads, titusr, 2023/10/23
- [PATCH v4 5/8] hw/sensor: add ADM1266 device model, titusr, 2023/10/23
- Re: [PATCH v4 0/8] PMBus fixes and new functions, Philippe Mathieu-Daudé, 2023/10/24