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author | Titus Rwantare <titusr@google.com> | 2022-03-07 12:05:57 -0800 |
---|---|---|
committer | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2022-03-08 18:46:48 +0100 |
commit | 32480293db49e98c8dc891764caf726e4aa4d2a6 (patch) | |
tree | 1b2935a22f638dccd1c9d6d7c985b7b367c7b693 /hw/i2c | |
parent | 9740b907a5363c06ecf61e08b21966a81eb0dab4 (diff) | |
download | qemu-32480293db49e98c8dc891764caf726e4aa4d2a6.zip qemu-32480293db49e98c8dc891764caf726e4aa4d2a6.tar.gz qemu-32480293db49e98c8dc891764caf726e4aa4d2a6.tar.bz2 |
hw/i2c: pmbus: add registers
- 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>
Diffstat (limited to 'hw/i2c')
-rw-r--r-- | hw/i2c/pmbus_device.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c index 24f8f52..07a45c9 100644 --- a/hw/i2c/pmbus_device.c +++ b/hw/i2c/pmbus_device.c @@ -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 */ |