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

   1 /* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
   2  *
   3  * This program is free software; you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License version 2 and
   5  * only version 2 as published by the Free Software Foundation.
   6  *
   7  * This program is distributed in the hope that it will be useful,
   8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10  * GNU General Public License for more details.
  11  */
  12
  13 #ifndef _EMAC_SGMII_H_
  14 #define _EMAC_SGMII_H_
  15
  16 struct emac_adapter;
  17 struct platform_device;
  18
  19 /** emac_sgmii - internal emac phy
  20  * @init initialization function
  21  * @open called when the driver is opened
  22  * @close called when the driver is closed
  23  * @link_change called when the link state changes
  24  */
  25 struct sgmii_ops {
  26         int (*init)(struct emac_adapter *adpt);
  27         int (*open)(struct emac_adapter *adpt);
  28         void (*close)(struct emac_adapter *adpt);
  29         int (*link_change)(struct emac_adapter *adpt, bool link_state);
  30         void (*reset)(struct emac_adapter *adpt);
  31 };
  32
  33 /** emac_sgmii - internal emac phy
  34  * @base base address
  35  * @digital per-lane digital block
  36  * @irq the interrupt number
  37  * @decode_error_count reference count of consecutive decode errors
  38  * @sgmii_ops sgmii ops
  39  */
  40 struct emac_sgmii {
  41         void __iomem            *base;
  42         void __iomem            *digital;
  43         unsigned int            irq;
  44         atomic_t                decode_error_count;
  45         struct  sgmii_ops       *sgmii_ops;
  46 };
  47
  48 int emac_sgmii_config(struct platform_device *pdev, struct emac_adapter *adpt);
  49
  50 int emac_sgmii_init_fsm9900(struct emac_adapter *adpt);
  51 int emac_sgmii_init_qdf2432(struct emac_adapter *adpt);
  52 int emac_sgmii_init_qdf2400(struct emac_adapter *adpt);
  53
  54 int emac_sgmii_init(struct emac_adapter *adpt);
  55 int emac_sgmii_open(struct emac_adapter *adpt);
  56 void emac_sgmii_close(struct emac_adapter *adpt);
  57 int emac_sgmii_link_change(struct emac_adapter *adpt, bool link_state);
  58 void emac_sgmii_reset(struct emac_adapter *adpt);
  59 #endif