arduino-esp32/tools/sdk/include/ethernet/eth_phy/phy_reg.h

// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at

//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#pragma once

#ifdef __cplusplus
extern "C" {
#endif

/* This header contains register/bit masks for the standard
   PHY MII registers that should be supported by all PHY models.
*/

#define MII_BASIC_MODE_CONTROL_REG              (0x0)
#define MII_SOFTWARE_RESET                      BIT(15)
#define MII_SPEED_SELECT                        BIT(13)
#define MII_AUTO_NEGOTIATION_ENABLE             BIT(12)
#define MII_POWER_DOWN                          BIT(11)
#define MII_RESTART_AUTO_NEGOTIATION            BIT(9)
#define MII_DUPLEX_MODE                         BIT(8)

#define MII_BASIC_MODE_STATUS_REG               (0x1)
#define MII_AUTO_NEGOTIATION_COMPLETE           BIT(5)
#define MII_LINK_STATUS                         BIT(2)

#define MII_PHY_IDENTIFIER_1_REG                (0x2)
#define MII_PHY_IDENTIFIER_2_REG                (0x3)

#define MII_AUTO_NEGOTIATION_ADVERTISEMENT_REG  (0x4)
#define MII_ASM_DIR                             BIT(11)
#define MII_PAUSE                               BIT(10)

#define MII_PHY_LINK_PARTNER_ABILITY_REG        (0x5)
#define MII_PARTNER_ASM_DIR                     BIT(11)
#define MII_PARTNER_PAUSE                       BIT(10)

/******************************legacy*******************************/
#define MII_AUTO_NEG_ADVERTISEMENT_REG MII_AUTO_NEGOTIATION_ADVERTISEMENT_REG

#ifdef __cplusplus
}
#endif