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hw/i2c: pmbus: add registers

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- add the VOUT_MIN and STATUS_MFR registers

Signed-off-by: Titus Rwantare <titusr@google.com>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Message-Id: <20220307200605.4001451-2-titusr@google.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
This commit is contained in:
Titus Rwantare 2022-03-07 12:05:57 -08:00 • committed by Philippe Mathieu-Daudé
parent 9740b907a5
commit 32480293db
2 changed files with 27 additions and 0 deletions
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24
hw/i2c/pmbus_device.c
View file

@ -368,6 +368,14 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
}
break;
case PMBUS_VOUT_MIN: /* R/W word */
if (pmdev->pages[index].page_flags & PB_HAS_VOUT_RATING) {
pmbus_send16(pmdev, pmdev->pages[index].vout_min);
} else {
goto passthough;
}
break;
/* TODO: implement coefficients support */
case PMBUS_POUT_MAX: /* R/W word */
@ -708,6 +716,10 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
pmbus_send8(pmdev, pmdev->pages[index].status_other);
break;
case PMBUS_STATUS_MFR_SPECIFIC: /* R/W byte */
pmbus_send8(pmdev, pmdev->pages[index].status_mfr_specific);
break;
case PMBUS_READ_EIN: /* Read-Only block 5 bytes */
if (pmdev->pages[index].page_flags & PB_HAS_EIN) {
pmbus_send(pmdev, pmdev->pages[index].read_ein, 5);
@ -1149,6 +1161,14 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
}
break;
case PMBUS_VOUT_MIN: /* R/W word */
if (pmdev->pages[index].page_flags & PB_HAS_VOUT_RATING) {
pmdev->pages[index].vout_min = pmbus_receive16(pmdev);
} else {
goto passthrough;
}
break;
case PMBUS_POUT_MAX: /* R/W word */
if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
pmdev->pages[index].pout_max = pmbus_receive16(pmdev);
@ -1482,6 +1502,10 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
pmdev->pages[index].status_other = pmbus_receive8(pmdev);
break;
case PMBUS_STATUS_MFR_SPECIFIC: /* R/W byte */
pmdev->pages[index].status_mfr_specific = pmbus_receive8(pmdev);
break;
case PMBUS_PAGE_PLUS_READ: /* Block Read-only */
case PMBUS_CAPABILITY: /* Read-Only byte */
case PMBUS_COEFFICIENTS: /* Read-only block 5 bytes */