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OpenCloudOS-Kernel/drivers/net/ethernet/qualcomm/emac/emac-sgmii.h

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net: emac: emac gigabit ethernet controller driver Add support for the Qualcomm Technologies, Inc. EMAC gigabit Ethernet controller. This driver supports the following features: 1) Checksum offload. 2) Interrupt coalescing support. 3) SGMII phy. 4) phylib interface for external phy Based on original work by Niranjana Vishwanathapura <nvishwan@codeaurora.org> Gilad Avidov <gavidov@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01 07:22:08 +08:00
/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _EMAC_SGMII_H_
#define _EMAC_SGMII_H_
struct emac_adapter;
struct platform_device;
net: qcom/emac: add an error interrupt handler for the sgmii The SGMII (internal PHY) can report decode errors via an interrupt. It can also report autonegotiation status changes, but we don't need to track those. The SGMII can recover automatically from most decode errors, so we only reset the interface if we get multiple consecutive errors. It's possible for bogus decode errors to be reported while the link is being brought up. The interrupt is registered when the interface is opened, and it's enabled after the link is up. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-28 06:43:48 +08:00
typedef int (*emac_sgmii_function)(struct emac_adapter *adpt);
net: qcom/emac: rename emac_phy to emac_sgmii and move it The EMAC has an internal PHY that is often called the "SGMII". This SGMII is also connected to an external PHY, which is managed by phylib. These dual PHYs often cause confusion. In this case, the data structure for managing the SGMII was mis-named and located in the wrong header file. Structure emac_phy is renamed to emac_sgmii to clearly indicate it applies to the internal PHY only. It also also moved from emac_phy.h (which supports the external PHY) to emac_sgmii.h (where it belongs). To keep the changes minimal, only the structure name is changed, not the names of any variables of that type. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-21 07:21:03 +08:00
/** emac_sgmii - internal emac phy
* @base base address
* @digital per-lane digital block
net: qcom/emac: add an error interrupt handler for the sgmii The SGMII (internal PHY) can report decode errors via an interrupt. It can also report autonegotiation status changes, but we don't need to track those. The SGMII can recover automatically from most decode errors, so we only reset the interface if we get multiple consecutive errors. It's possible for bogus decode errors to be reported while the link is being brought up. The interrupt is registered when the interface is opened, and it's enabled after the link is up. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-28 06:43:48 +08:00
* @irq the interrupt number
* @decode_error_count reference count of consecutive decode errors
net: qcom/emac: rename emac_phy to emac_sgmii and move it The EMAC has an internal PHY that is often called the "SGMII". This SGMII is also connected to an external PHY, which is managed by phylib. These dual PHYs often cause confusion. In this case, the data structure for managing the SGMII was mis-named and located in the wrong header file. Structure emac_phy is renamed to emac_sgmii to clearly indicate it applies to the internal PHY only. It also also moved from emac_phy.h (which supports the external PHY) to emac_sgmii.h (where it belongs). To keep the changes minimal, only the structure name is changed, not the names of any variables of that type. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-21 07:21:03 +08:00
* @initialize initialization function
net: qcom/emac: add an error interrupt handler for the sgmii The SGMII (internal PHY) can report decode errors via an interrupt. It can also report autonegotiation status changes, but we don't need to track those. The SGMII can recover automatically from most decode errors, so we only reset the interface if we get multiple consecutive errors. It's possible for bogus decode errors to be reported while the link is being brought up. The interrupt is registered when the interface is opened, and it's enabled after the link is up. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-28 06:43:48 +08:00
* @open called when the driver is opened
* @close called when the driver is closed
* @link_up called when the link comes up
* @link_down called when the link comes down
net: qcom/emac: rename emac_phy to emac_sgmii and move it The EMAC has an internal PHY that is often called the "SGMII". This SGMII is also connected to an external PHY, which is managed by phylib. These dual PHYs often cause confusion. In this case, the data structure for managing the SGMII was mis-named and located in the wrong header file. Structure emac_phy is renamed to emac_sgmii to clearly indicate it applies to the internal PHY only. It also also moved from emac_phy.h (which supports the external PHY) to emac_sgmii.h (where it belongs). To keep the changes minimal, only the structure name is changed, not the names of any variables of that type. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-21 07:21:03 +08:00
*/
struct emac_sgmii {
void __iomem *base;
void __iomem *digital;
net: qcom/emac: add an error interrupt handler for the sgmii The SGMII (internal PHY) can report decode errors via an interrupt. It can also report autonegotiation status changes, but we don't need to track those. The SGMII can recover automatically from most decode errors, so we only reset the interface if we get multiple consecutive errors. It's possible for bogus decode errors to be reported while the link is being brought up. The interrupt is registered when the interface is opened, and it's enabled after the link is up. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-28 06:43:48 +08:00
unsigned int irq;
atomic_t decode_error_count;
emac_sgmii_function initialize;
emac_sgmii_function open;
emac_sgmii_function close;
emac_sgmii_function link_up;
emac_sgmii_function link_down;
net: qcom/emac: rename emac_phy to emac_sgmii and move it The EMAC has an internal PHY that is often called the "SGMII". This SGMII is also connected to an external PHY, which is managed by phylib. These dual PHYs often cause confusion. In this case, the data structure for managing the SGMII was mis-named and located in the wrong header file. Structure emac_phy is renamed to emac_sgmii to clearly indicate it applies to the internal PHY only. It also also moved from emac_phy.h (which supports the external PHY) to emac_sgmii.h (where it belongs). To keep the changes minimal, only the structure name is changed, not the names of any variables of that type. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-01-21 07:21:03 +08:00
};
net: emac: emac gigabit ethernet controller driver Add support for the Qualcomm Technologies, Inc. EMAC gigabit Ethernet controller. This driver supports the following features: 1) Checksum offload. 2) Interrupt coalescing support. 3) SGMII phy. 4) phylib interface for external phy Based on original work by Niranjana Vishwanathapura <nvishwan@codeaurora.org> Gilad Avidov <gavidov@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01 07:22:08 +08:00
int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt);
void emac_sgmii_reset(struct emac_adapter *adpt);
net: qcom/emac: move phy init code to separate files The internal PHY of the EMAC differs on each SOC, and the list will only continue to grow. By separating the code into individual files, we can add support for more SOCs more cleanly. Note: The internal PHY is also sometimes called the SGMII device. We also stop referring to the various PHY variations by version number, so no more "v2", "v3", etc. Instead, the devices are named after the SOC they are, which is in sync with the device tree property names. Future patches will probably rearrange more code among the files. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-09 03:24:20 +08:00
int emac_sgmii_init_fsm9900(struct emac_adapter *adpt);
int emac_sgmii_init_qdf2432(struct emac_adapter *adpt);
net: qcom/emac: add support for the Qualcomm Technologies QDF2400 The QDF2432 and the QDF2400 have slightly different internal PHYs, so there are some programming differences. Some of the registers in the QDF2400 have moved, and some registers require different values during initialization. Because of the differences, and because HIDs are a scare resource, the ACPI tables specify the hardware version in an _HRV property. Version 1 is the QDF2432, and version 2 is the QDF2400. Any future SOC that has the same internal PHY but different programming requirements will be assigned the next available version number. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-09 03:24:21 +08:00
int emac_sgmii_init_qdf2400(struct emac_adapter *adpt);
net: qcom/emac: move phy init code to separate files The internal PHY of the EMAC differs on each SOC, and the list will only continue to grow. By separating the code into individual files, we can add support for more SOCs more cleanly. Note: The internal PHY is also sometimes called the SGMII device. We also stop referring to the various PHY variations by version number, so no more "v2", "v3", etc. Instead, the devices are named after the SOC they are, which is in sync with the device tree property names. Future patches will probably rearrange more code among the files. Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-12-09 03:24:20 +08:00
net: emac: emac gigabit ethernet controller driver Add support for the Qualcomm Technologies, Inc. EMAC gigabit Ethernet controller. This driver supports the following features: 1) Checksum offload. 2) Interrupt coalescing support. 3) SGMII phy. 4) phylib interface for external phy Based on original work by Niranjana Vishwanathapura <nvishwan@codeaurora.org> Gilad Avidov <gavidov@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-01 07:22:08 +08:00
#endif