From patchwork Thu Jun 13 23:55:50 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ioana Ciornei X-Patchwork-Id: 1115678 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=nxp.com Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 45Q0yM5wrsz9s6w for ; Fri, 14 Jun 2019 09:56:43 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727264AbfFMX4m (ORCPT ); Thu, 13 Jun 2019 19:56:42 -0400 Received: from inva020.nxp.com ([92.121.34.13]:37800 "EHLO inva020.nxp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726881AbfFMX4g (ORCPT ); Thu, 13 Jun 2019 19:56:36 -0400 Received: from inva020.nxp.com (localhost [127.0.0.1]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id CE1D31A00CE; Fri, 14 Jun 2019 01:56:32 +0200 (CEST) Received: from inva024.eu-rdc02.nxp.com (inva024.eu-rdc02.nxp.com [134.27.226.22]) by inva020.eu-rdc02.nxp.com (Postfix) with ESMTP id BE9C81A0030; Fri, 14 Jun 2019 01:56:32 +0200 (CEST) Received: from fsr-ub1464-137.ea.freescale.net (fsr-ub1464-137.ea.freescale.net [10.171.82.114]) by inva024.eu-rdc02.nxp.com (Postfix) with ESMTP id 54F67205DC; Fri, 14 Jun 2019 01:56:32 +0200 (CEST) From: Ioana Ciornei To: linux@armlinux.org.uk, hkallweit1@gmail.com, f.fainelli@gmail.com, andrew@lunn.ch, davem@davemloft.net Cc: netdev@vger.kernel.org, alexandru.marginean@nxp.com, ruxandra.radulescu@nxp.com, Ioana Ciornei Subject: [PATCH RFC 3/6] dpaa2-mac: add MC API for the DPMAC object Date: Fri, 14 Jun 2019 02:55:50 +0300 Message-Id: <1560470153-26155-4-git-send-email-ioana.ciornei@nxp.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1560470153-26155-1-git-send-email-ioana.ciornei@nxp.com> References: <1560470153-26155-1-git-send-email-ioana.ciornei@nxp.com> Reply-to: ioana.ciornei@nxp.com X-Virus-Scanned: ClamAV using ClamSMTP Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Add the necessary MC API for the DPMAC object. These functions will be used in the initial patch that adds the dpaa2-mac driver. Signed-off-by: Ioana Ciornei --- drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h | 107 +++++++ drivers/net/ethernet/freescale/dpaa2/dpmac.c | 369 +++++++++++++++++++++++ drivers/net/ethernet/freescale/dpaa2/dpmac.h | 210 +++++++++++++ 3 files changed, 686 insertions(+) create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac.c create mode 100644 drivers/net/ethernet/freescale/dpaa2/dpmac.h diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h new file mode 100644 index 000000000000..d35f05b32275 --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac-cmd.h @@ -0,0 +1,107 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2019 NXP + */ +#ifndef _FSL_DPMAC_CMD_H +#define _FSL_DPMAC_CMD_H + +/* DPMAC Version */ +#define DPMAC_VER_MAJOR 4 +#define DPMAC_VER_MINOR 4 +#define DPMAC_CMD_BASE_VERSION 1 +#define DPMAC_CMD_2ND_VERSION 2 +#define DPMAC_CMD_ID_OFFSET 4 + +#define DPMAC_CMD(id) (((id) << DPMAC_CMD_ID_OFFSET) | DPMAC_CMD_BASE_VERSION) +#define DPMAC_CMD_V2(id) (((id) << DPMAC_CMD_ID_OFFSET) | DPMAC_CMD_2ND_VERSION) + +/* Command IDs */ +#define DPMAC_CMDID_CLOSE DPMAC_CMD(0x800) +#define DPMAC_CMDID_OPEN DPMAC_CMD(0x80c) +#define DPMAC_CMDID_GET_API_VERSION DPMAC_CMD(0xa0c) + +#define DPMAC_CMDID_GET_ATTR DPMAC_CMD(0x004) + +#define DPMAC_CMDID_SET_IRQ_ENABLE DPMAC_CMD(0x012) +#define DPMAC_CMDID_SET_IRQ_MASK DPMAC_CMD(0x014) +#define DPMAC_CMDID_GET_IRQ_STATUS DPMAC_CMD(0x016) +#define DPMAC_CMDID_CLEAR_IRQ_STATUS DPMAC_CMD(0x017) + +#define DPMAC_CMDID_GET_LINK_CFG DPMAC_CMD_V2(0x0c2) +#define DPMAC_CMDID_SET_LINK_STATE DPMAC_CMD_V2(0x0c3) + +/* Macros for accessing command fields smaller than 1byte */ +#define DPMAC_MASK(field) \ + GENMASK(DPMAC_##field##_SHIFT + DPMAC_##field##_SIZE - 1, \ + DPMAC_##field##_SHIFT) + +#define dpmac_set_field(var, field, val) \ + ((var) |= (((val) << DPMAC_##field##_SHIFT) & DPMAC_MASK(field))) +#define dpmac_get_field(var, field) \ + (((var) & DPMAC_MASK(field)) >> DPMAC_##field##_SHIFT) + +struct dpmac_cmd_open { + __le32 dpmac_id; +}; + +struct dpmac_cmd_set_irq_enable { + u8 enable; + u8 pad[3]; + u8 irq_index; +}; + +struct dpmac_cmd_set_irq_mask { + __le32 mask; + u8 irq_index; +}; + +struct dpmac_cmd_get_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dpmac_rsp_get_irq_status { + __le32 status; +}; + +struct dpmac_cmd_clear_irq_status { + __le32 status; + u8 irq_index; +}; + +struct dpmac_rsp_get_attributes { + u8 eth_if; + u8 link_type; + __le16 id; + __le32 max_rate; +}; + +struct dpmac_rsp_get_link_cfg { + __le64 options; + __le32 rate; + __le32 pad; + __le64 advertising; +}; + +#define DPMAC_STATE_SIZE 1 +#define DPMAC_STATE_SHIFT 0 +#define DPMAC_STATE_VALID_SIZE 1 +#define DPMAC_STATE_VALID_SHIFT 1 + +struct dpmac_cmd_set_link_state { + __le64 options; + __le32 rate; + __le32 pad0; + /* from lsb: up:1, state_valid:1 */ + u8 state; + u8 pad1[7]; + __le64 supported; + __le64 advertising; +}; + +struct dpmac_rsp_get_api_version { + __le16 major; + __le16 minor; +}; + +#endif /* _FSL_DPMAC_CMD_H */ diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.c b/drivers/net/ethernet/freescale/dpaa2/dpmac.c new file mode 100644 index 000000000000..b45a4bd60efc --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.c @@ -0,0 +1,369 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2019 NXP + */ +#include +#include "dpmac.h" +#include "dpmac-cmd.h" + +/** + * dpmac_open() - Open a control session for the specified object. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @dpmac_id: DPMAC unique ID + * @token: Returned token; use in subsequent API calls + * + * This function can be used to open a control session for an + * already created object; an object may have been declared in + * the DPL or by calling the dpmac_create function. + * This function returns a unique authentication token, + * associated with the specific object ID and the specific MC + * portal; this token must be used in all subsequent commands for + * this specific object + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_open(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int dpmac_id, + u16 *token) +{ + struct dpmac_cmd_open *cmd_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_OPEN, + cmd_flags, + 0); + cmd_params = (struct dpmac_cmd_open *)cmd.params; + cmd_params->dpmac_id = cpu_to_le32(dpmac_id); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + *token = mc_cmd_hdr_read_token(&cmd); + + return err; +} + +/** + * dpmac_close() - Close the control session of the object + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * + * After this function is called, no further operations are + * allowed on the object without opening a new control session. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_close(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token) +{ + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CLOSE, cmd_flags, + token); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpmac_set_irq_enable() - Set overall interrupt state. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @irq_index: The interrupt index to configure + * @en: Interrupt state - enable = 1, disable = 0 + * + * Allows GPP software to control when interrupts are generated. + * Each interrupt can have up to 32 causes. The enable/disable control's the + * overall interrupt state. if the interrupt is disabled no causes will cause + * an interrupt. + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_set_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 en) +{ + struct dpmac_cmd_set_irq_enable *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_IRQ_ENABLE, + cmd_flags, + token); + cmd_params = (struct dpmac_cmd_set_irq_enable *)cmd.params; + cmd_params->irq_index = irq_index; + cmd_params->enable = en; + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpmac_set_irq_mask() - Set interrupt mask. + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @irq_index: The interrupt index to configure + * @mask: Event mask to trigger interrupt; + * each bit: + * 0 = ignore event + * 1 = consider event for asserting IRQ + * + * Every interrupt can have up to 32 causes and the interrupt model supports + * masking/unmasking each cause independently + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_set_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 mask) +{ + struct dpmac_cmd_set_irq_mask *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_IRQ_MASK, + cmd_flags, + token); + cmd_params = (struct dpmac_cmd_set_irq_mask *)cmd.params; + cmd_params->mask = cpu_to_le32(mask); + cmd_params->irq_index = irq_index; + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpmac_get_irq_status() - Get the current status of any pending interrupts. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @irq_index: The interrupt index to configure + * @status: Returned interrupts status - one bit per cause: + * 0 = no interrupt pending + * 1 = interrupt pending + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_get_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *status) +{ + struct dpmac_cmd_get_irq_status *cmd_params; + struct dpmac_rsp_get_irq_status *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dpmac_cmd_get_irq_status *)cmd.params; + cmd_params->status = cpu_to_le32(*status); + cmd_params->irq_index = irq_index; + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpmac_rsp_get_irq_status *)cmd.params; + *status = le32_to_cpu(rsp_params->status); + + return 0; +} + +/** + * dpmac_clear_irq_status() - Clear a pending interrupt's status + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @irq_index: The interrupt index to configure + * @status: Bits to clear (W1C) - one bit per cause: + * 0 = don't change + * 1 = clear status bit + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_clear_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 status) +{ + struct dpmac_cmd_clear_irq_status *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_CLEAR_IRQ_STATUS, + cmd_flags, + token); + cmd_params = (struct dpmac_cmd_clear_irq_status *)cmd.params; + cmd_params->status = cpu_to_le32(status); + cmd_params->irq_index = irq_index; + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpmac_get_attributes - Retrieve DPMAC attributes. + * + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @attr: Returned object's attributes + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_get_attributes(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_attr *attr) +{ + struct dpmac_rsp_get_attributes *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_ATTR, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + /* retrieve response parameters */ + rsp_params = (struct dpmac_rsp_get_attributes *)cmd.params; + attr->eth_if = rsp_params->eth_if; + attr->link_type = rsp_params->link_type; + attr->id = le16_to_cpu(rsp_params->id); + attr->max_rate = le32_to_cpu(rsp_params->max_rate); + + return 0; +} + +/** + * dpmac_get_link_cfg() - Get Ethernet link configuration + * @mc_io: Pointer to opaque I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @cfg: Returned structure with the link configuration + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_get_link_cfg(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_link_cfg *cfg) +{ + struct dpmac_rsp_get_link_cfg *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err = 0; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_LINK_CFG, + cmd_flags, + token); + + /* send command to mc*/ + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpmac_rsp_get_link_cfg *)cmd.params; + cfg->options = le64_to_cpu(rsp_params->options); + cfg->rate = le32_to_cpu(rsp_params->rate); + cfg->advertising = le64_to_cpu(rsp_params->advertising); + + return 0; +} + +/** + * dpmac_set_link_state() - Set the Ethernet link status + * @mc_io: Pointer to opaque I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @token: Token of DPMAC object + * @link_state: Link state configuration + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_set_link_state(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_link_state *link_state) +{ + struct dpmac_cmd_set_link_state *cmd_params; + struct fsl_mc_command cmd = { 0 }; + + /* prepare command */ + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_SET_LINK_STATE, + cmd_flags, + token); + cmd_params = (struct dpmac_cmd_set_link_state *)cmd.params; + cmd_params->options = cpu_to_le64(link_state->options); + cmd_params->rate = cpu_to_le32(link_state->rate); + dpmac_set_field(cmd_params->state, STATE, link_state->up); + dpmac_set_field(cmd_params->state, STATE_VALID, + link_state->state_valid); + cmd_params->supported = cpu_to_le64(link_state->supported); + cmd_params->advertising = cpu_to_le64(link_state->advertising); + + /* send command to mc*/ + return mc_send_command(mc_io, &cmd); +} + +/** + * dpmac_get_api_version() - Get Data Path MAC version + * @mc_io: Pointer to MC portal's I/O object + * @cmd_flags: Command flags; one or more of 'MC_CMD_FLAG_' + * @major_ver: Major version of data path mac API + * @minor_ver: Minor version of data path mac API + * + * Return: '0' on Success; Error code otherwise. + */ +int dpmac_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver) +{ + struct dpmac_rsp_get_api_version *rsp_params; + struct fsl_mc_command cmd = { 0 }; + int err; + + cmd.header = mc_encode_cmd_header(DPMAC_CMDID_GET_API_VERSION, + cmd_flags, + 0); + + err = mc_send_command(mc_io, &cmd); + if (err) + return err; + + rsp_params = (struct dpmac_rsp_get_api_version *)cmd.params; + *major_ver = le16_to_cpu(rsp_params->major); + *minor_ver = le16_to_cpu(rsp_params->minor); + + return 0; +} diff --git a/drivers/net/ethernet/freescale/dpaa2/dpmac.h b/drivers/net/ethernet/freescale/dpaa2/dpmac.h new file mode 100644 index 000000000000..de807547321c --- /dev/null +++ b/drivers/net/ethernet/freescale/dpaa2/dpmac.h @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) */ +/* Copyright 2013-2016 Freescale Semiconductor Inc. + * Copyright 2019 NXP + */ +#ifndef __FSL_DPMAC_H +#define __FSL_DPMAC_H + +/* Data Path MAC API + * Contains initialization APIs and runtime control APIs for DPMAC + */ + +struct fsl_mc_io; + +int dpmac_open(struct fsl_mc_io *mc_io, + u32 cmd_flags, + int dpmac_id, + u16 *token); + +int dpmac_close(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token); + +/** + * enum dpmac_link_type - DPMAC link type + * @DPMAC_LINK_TYPE_NONE: No link + * @DPMAC_LINK_TYPE_FIXED: Link is fixed type + * @DPMAC_LINK_TYPE_PHY: Link by PHY ID + * @DPMAC_LINK_TYPE_BACKPLANE: Backplane link type + */ +enum dpmac_link_type { + DPMAC_LINK_TYPE_NONE, + DPMAC_LINK_TYPE_FIXED, + DPMAC_LINK_TYPE_PHY, + DPMAC_LINK_TYPE_BACKPLANE +}; + +/** + * enum dpmac_eth_if - DPMAC Ethrnet interface + * @DPMAC_ETH_IF_MII: MII interface + * @DPMAC_ETH_IF_RMII: RMII interface + * @DPMAC_ETH_IF_SMII: SMII interface + * @DPMAC_ETH_IF_GMII: GMII interface + * @DPMAC_ETH_IF_RGMII: RGMII interface + * @DPMAC_ETH_IF_SGMII: SGMII interface + * @DPMAC_ETH_IF_QSGMII: QSGMII interface + * @DPMAC_ETH_IF_XAUI: XAUI interface + * @DPMAC_ETH_IF_XFI: XFI interface + * @DPMAC_ETH_IF_CAUI: CAUI interface + * @DPMAC_ETH_IF_1000BASEX: 1000BASEX interface + * @DPMAC_ETH_IF_USXGMII: USXGMII interface + */ +enum dpmac_eth_if { + DPMAC_ETH_IF_MII, + DPMAC_ETH_IF_RMII, + DPMAC_ETH_IF_SMII, + DPMAC_ETH_IF_GMII, + DPMAC_ETH_IF_RGMII, + DPMAC_ETH_IF_SGMII, + DPMAC_ETH_IF_QSGMII, + DPMAC_ETH_IF_XAUI, + DPMAC_ETH_IF_XFI, + DPMAC_ETH_IF_CAUI, + DPMAC_ETH_IF_1000BASEX, + DPMAC_ETH_IF_USXGMII, +}; + +/** + * DPMAC IRQ Index and Events + */ + +/** + * IRQ index + */ +#define DPMAC_IRQ_INDEX 0 +/** + * IRQ event - indicates a change in link state + */ +#define DPMAC_IRQ_EVENT_LINK_CFG_REQ 0x00000001 +/** + * IRQ event - Indicates that the link state changed + */ +#define DPMAC_IRQ_EVENT_LINK_CHANGED 0x00000002 + +#define DPMAC_IRQ_EVENT_LINK_UP_REQ 0x00000004 +#define DPMAC_IRQ_EVENT_LINK_DOWN_REQ 0x00000008 + +int dpmac_set_irq_enable(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u8 en); + +int dpmac_set_irq_mask(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 mask); + +int dpmac_get_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 *status); + +int dpmac_clear_irq_status(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + u8 irq_index, + u32 status); + +/** + * struct dpmac_attr - Structure representing DPMAC attributes + * @id: DPMAC object ID + * @max_rate: Maximum supported rate - in Mbps + * @eth_if: Ethernet interface + * @link_type: link type + */ +struct dpmac_attr { + u16 id; + u32 max_rate; + enum dpmac_eth_if eth_if; + enum dpmac_link_type link_type; +}; + +int dpmac_get_attributes(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_attr *attr); + +/** + * DPMAC link configuration/state options + */ + +/** + * Enable auto-negotiation + */ +#define DPMAC_LINK_OPT_AUTONEG BIT_ULL(0) +/** + * Enable half-duplex mode + */ +#define DPMAC_LINK_OPT_HALF_DUPLEX BIT_ULL(1) +/** + * Enable pause frames + */ +#define DPMAC_LINK_OPT_PAUSE BIT_ULL(2) +/** + * Enable a-symmetric pause frames + */ +#define DPMAC_LINK_OPT_ASYM_PAUSE BIT_ULL(3) + +/** + * Advertised link speeds + */ +#define DPMAC_ADVERTISED_10BASET_FULL BIT_ULL(0) +#define DPMAC_ADVERTISED_100BASET_FULL BIT_ULL(1) +#define DPMAC_ADVERTISED_1000BASET_FULL BIT_ULL(2) +#define DPMAC_ADVERTISED_10000BASET_FULL BIT_ULL(4) +#define DPMAC_ADVERTISED_2500BASEX_FULL BIT_ULL(5) + +/** + * Advertise auto-negotiation enable + */ +#define DPMAC_ADVERTISED_AUTONEG BIT_ULL(3) + +/** + * struct dpmac_link_cfg - Structure representing DPMAC link configuration + * @rate: Link's rate - in Mbps + * @options: Enable/Disable DPMAC link cfg features (bitmap) + * @advertising: Speeds that are advertised for autoneg (bitmap) + */ +struct dpmac_link_cfg { + u32 rate; + u64 options; + u64 advertising; +}; + +int dpmac_get_link_cfg(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_link_cfg *cfg); + +/** + * struct dpmac_link_state - DPMAC link configuration request + * @rate: Rate in Mbps + * @options: Enable/Disable DPMAC link cfg features (bitmap) + * @up: Link state + * @state_valid: Ignore/Update the state of the link + * @supported: Speeds capability of the phy (bitmap) + * @advertising: Speeds that are advertised for autoneg (bitmap) + */ +struct dpmac_link_state { + u32 rate; + u64 options; + int up; + int state_valid; + u64 supported; + u64 advertising; +}; + +int dpmac_set_link_state(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 token, + struct dpmac_link_state *link_state); + +int dpmac_get_api_version(struct fsl_mc_io *mc_io, + u32 cmd_flags, + u16 *major_ver, + u16 *minor_ver); + +#endif /* __FSL_DPMAC_H */