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From: Corey Minyard <minyard@acm.org>
To: Titus Rwantare <titusr@google.com>
Cc: philmd@linaro.org, qemu-arm@nongnu.org, qemu-devel@nongnu.org,
	Stephen Longfield <slongfield@google.com>
Subject: Re: [PATCH 3/5] hw/i2c: pmbus: add fan support
Date: Thu, 30 Mar 2023 11:22:51 -0500	[thread overview]
Message-ID: <ZCW3Wx2XQefX5Kvi@minyard.net> (raw)
In-Reply-To: <20230322175513.1550412-4-titusr@google.com>

Empty description, but the code itself looks ok.

Acked-by: Corey Minyard <cminyard@mvista.com>

On Wed, Mar 22, 2023 at 05:55:11PM +0000, Titus Rwantare wrote:
> Reviewed-by: Stephen Longfield <slongfield@google.com>
> Signed-off-by: Titus Rwantare <titusr@google.com>
> ---
>  hw/i2c/pmbus_device.c         | 176 ++++++++++++++++++++++++++++++++++
>  include/hw/i2c/pmbus_device.h |   1 +
>  2 files changed, 177 insertions(+)
> 
> diff --git a/hw/i2c/pmbus_device.c b/hw/i2c/pmbus_device.c
> index 02647769cd..bb42e410b4 100644
> --- a/hw/i2c/pmbus_device.c
> +++ b/hw/i2c/pmbus_device.c
> @@ -490,6 +490,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
>          }
>          break;
>  
> +    case PMBUS_FAN_CONFIG_1_2:            /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].fan_config_1_2);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_1:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].fan_command_1);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_2:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].fan_command_2);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_CONFIG_3_4:            /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].fan_config_3_4);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_3:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].fan_command_3);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_4:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].fan_command_4);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
>      case PMBUS_VOUT_OV_FAULT_LIMIT:       /* R/W word */
>          if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
>              pmbus_send16(pmdev, pmdev->pages[index].vout_ov_fault_limit);
> @@ -800,6 +848,22 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
>          pmbus_send8(pmdev, pmdev->pages[index].status_mfr_specific);
>          break;
>  
> +    case PMBUS_STATUS_FANS_1_2:           /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_STATUS_FANS_3_4:           /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4);
> +        } else {
> +            goto passthough;
> +        }
> +        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);
> @@ -872,6 +936,54 @@ static uint8_t pmbus_receive_byte(SMBusDevice *smd)
>          }
>          break;
>  
> +    case PMBUS_READ_FAN_SPEED_1:          /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_1);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_READ_FAN_SPEED_2:          /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_2);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_READ_FAN_SPEED_3:          /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_3);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_READ_FAN_SPEED_4:          /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_fan_speed_4);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_READ_DUTY_CYCLE:           /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_duty_cycle);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
> +    case PMBUS_READ_FREQUENCY:            /* Read-Only word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send16(pmdev, pmdev->pages[index].read_frequency);
> +        } else {
> +            goto passthough;
> +        }
> +        break;
> +
>      case PMBUS_READ_POUT:                 /* Read-Only word */
>          if (pmdev->pages[index].page_flags & PB_HAS_POUT) {
>              pmbus_send16(pmdev, pmdev->pages[index].read_pout);
> @@ -1295,6 +1407,54 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
>          }
>          break;
>  
> +    case PMBUS_FAN_CONFIG_1_2:            /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_config_1_2 = pmbus_receive8(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_1:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_command_1 = pmbus_receive16(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_2:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_command_2 = pmbus_receive16(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_CONFIG_3_4:            /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_config_3_4 = pmbus_receive8(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_3:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_command_3 = pmbus_receive16(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_FAN_COMMAND_4:             /* R/W word */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmdev->pages[index].fan_command_4 = pmbus_receive16(pmdev);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
>      case PMBUS_VOUT_OV_FAULT_LIMIT:       /* R/W word */
>          if (pmdev->pages[index].page_flags & PB_HAS_VOUT) {
>              pmdev->pages[index].vout_ov_fault_limit = pmbus_receive16(pmdev);
> @@ -1600,6 +1760,22 @@ static int pmbus_write_data(SMBusDevice *smd, uint8_t *buf, uint8_t len)
>          pmdev->pages[index].status_mfr_specific = pmbus_receive8(pmdev);
>          break;
>  
> +    case PMBUS_STATUS_FANS_1_2:           /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].status_fans_1_2);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
> +    case PMBUS_STATUS_FANS_3_4:           /* R/W byte */
> +        if (pmdev->pages[index].page_flags & PB_HAS_FAN) {
> +            pmbus_send8(pmdev, pmdev->pages[index].status_fans_3_4);
> +        } else {
> +            goto passthrough;
> +        }
> +        break;
> +
>      case PMBUS_PAGE_PLUS_READ:            /* Block Read-only */
>      case PMBUS_CAPABILITY:                /* Read-Only byte */
>      case PMBUS_COEFFICIENTS:              /* Read-only block 5 bytes */
> diff --git a/include/hw/i2c/pmbus_device.h b/include/hw/i2c/pmbus_device.h
> index 2e95164aa1..ad431bdc7c 100644
> --- a/include/hw/i2c/pmbus_device.h
> +++ b/include/hw/i2c/pmbus_device.h
> @@ -258,6 +258,7 @@ OBJECT_DECLARE_TYPE(PMBusDevice, PMBusDeviceClass,
>  #define PB_HAS_TEMP2               BIT_ULL(41)
>  #define PB_HAS_TEMP3               BIT_ULL(42)
>  #define PB_HAS_TEMP_RATING         BIT_ULL(43)
> +#define PB_HAS_FAN                 BIT_ULL(44)
>  #define PB_HAS_MFR_INFO            BIT_ULL(50)
>  #define PB_HAS_STATUS_MFR_SPECIFIC BIT_ULL(51)
>  
> -- 
> 2.40.0.rc1.284.g88254d51c5-goog
> 


  reply	other threads:[~2023-03-30 16:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-03-22 17:55 [PATCH 0/5] PMBus fixes and new functions Titus Rwantare
2023-03-22 17:55 ` [PATCH 1/5] hw/i2c: pmbus add support for block receive Titus Rwantare
2023-03-30 16:18   ` Corey Minyard
2023-03-31  0:05     ` Titus Rwantare
2023-03-22 17:55 ` [PATCH 2/5] hw/i2c: pmbus: add vout mode bitfields Titus Rwantare
2023-03-30 16:20   ` Corey Minyard
2023-03-30 16:25     ` Corey Minyard
2023-03-22 17:55 ` [PATCH 3/5] hw/i2c: pmbus: add fan support Titus Rwantare
2023-03-30 16:22   ` Corey Minyard [this message]
2023-03-22 17:55 ` [PATCH 4/5] hw/i2c: pmbus: block uninitialised string reads Titus Rwantare
2023-03-29 14:15   ` Philippe Mathieu-Daudé
2023-03-30 16:23   ` Corey Minyard
2023-03-22 17:55 ` [PATCH 5/5] hw/i2c: pmbus: add VCAP register Titus Rwantare
2023-03-30 16:25   ` Corey Minyard
2023-03-30 14:24 ` [PATCH 0/5] PMBus fixes and new functions Philippe Mathieu-Daudé

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