364 lines
12 KiB
C
364 lines
12 KiB
C
/*-
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* Copyright (c) 1997, 1998, 1999, 2000-2003
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* Bill Paul <wpaul@windriver.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Definitions for the ASIX Electronics AX88172, AX88178
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* and AX88772 to ethernet controllers.
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*/
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/*
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* Vendor specific commands. ASIX conveniently doesn't document the 'set
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* NODEID' command in their datasheet (thanks a lot guys).
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* To make handling these commands easier, I added some extra data which is
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* decided by the axe_cmd() routine. Commands are encoded in 16 bits, with
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* the format: LDCC. L and D are both nibbles in the high byte. L represents
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* the data length (0 to 15) and D represents the direction (0 for vendor read,
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* 1 for vendor write). CC is the command byte, as specified in the manual.
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*/
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#define AXE_CMD_IS_WRITE(x) (((x) & 0x0F00) >> 8)
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#define AXE_CMD_LEN(x) (((x) & 0xF000) >> 12)
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#define AXE_CMD_CMD(x) ((x) & 0x00FF)
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#define AXE_172_CMD_READ_RXTX_SRAM 0x2002
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#define AXE_182_CMD_READ_RXTX_SRAM 0x8002
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#define AXE_172_CMD_WRITE_RX_SRAM 0x0103
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#define AXE_182_CMD_WRITE_RXTX_SRAM 0x8103
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#define AXE_172_CMD_WRITE_TX_SRAM 0x0104
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#define AXE_CMD_MII_OPMODE_SW 0x0106
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#define AXE_CMD_MII_READ_REG 0x2007
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#define AXE_CMD_MII_WRITE_REG 0x2108
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#define AXE_CMD_MII_READ_OPMODE 0x1009
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#define AXE_CMD_MII_OPMODE_HW 0x010A
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#define AXE_CMD_SROM_READ 0x200B
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#define AXE_CMD_SROM_WRITE 0x010C
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#define AXE_CMD_SROM_WR_ENABLE 0x010D
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#define AXE_CMD_SROM_WR_DISABLE 0x010E
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#define AXE_CMD_RXCTL_READ 0x200F
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#define AXE_CMD_RXCTL_WRITE 0x0110
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#define AXE_CMD_READ_IPG012 0x3011
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#define AXE_172_CMD_WRITE_IPG0 0x0112
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#define AXE_178_CMD_WRITE_IPG012 0x0112
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#define AXE_172_CMD_WRITE_IPG1 0x0113
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#define AXE_178_CMD_READ_NODEID 0x6013
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#define AXE_172_CMD_WRITE_IPG2 0x0114
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#define AXE_178_CMD_WRITE_NODEID 0x6114
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#define AXE_CMD_READ_MCAST 0x8015
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#define AXE_CMD_WRITE_MCAST 0x8116
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#define AXE_172_CMD_READ_NODEID 0x6017
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#define AXE_172_CMD_WRITE_NODEID 0x6118
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#define AXE_CMD_READ_PHYID 0x2019
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#define AXE_172_CMD_READ_MEDIA 0x101A
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#define AXE_178_CMD_READ_MEDIA 0x201A
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#define AXE_CMD_WRITE_MEDIA 0x011B
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#define AXE_CMD_READ_MONITOR_MODE 0x101C
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#define AXE_CMD_WRITE_MONITOR_MODE 0x011D
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#define AXE_CMD_READ_GPIO 0x101E
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#define AXE_CMD_WRITE_GPIO 0x011F
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#define AXE_CMD_SW_RESET_REG 0x0120
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#define AXE_CMD_SW_PHY_STATUS 0x0021
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#define AXE_CMD_SW_PHY_SELECT 0x0122
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/* AX88772A and AX88772B only. */
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#define AXE_CMD_READ_VLAN_CTRL 0x4027
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#define AXE_CMD_WRITE_VLAN_CTRL 0x4028
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#define AXE_772B_CMD_RXCTL_WRITE_CFG 0x012A
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#define AXE_772B_CMD_READ_RXCSUM 0x002B
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#define AXE_772B_CMD_WRITE_RXCSUM 0x012C
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#define AXE_772B_CMD_READ_TXCSUM 0x002D
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#define AXE_772B_CMD_WRITE_TXCSUM 0x012E
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#define AXE_SW_RESET_CLEAR 0x00
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#define AXE_SW_RESET_RR 0x01
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#define AXE_SW_RESET_RT 0x02
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#define AXE_SW_RESET_PRTE 0x04
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#define AXE_SW_RESET_PRL 0x08
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#define AXE_SW_RESET_BZ 0x10
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#define AXE_SW_RESET_IPRL 0x20
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#define AXE_SW_RESET_IPPD 0x40
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/* AX88178 documentation says to always write this bit... */
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#define AXE_178_RESET_MAGIC 0x40
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#define AXE_178_MEDIA_GMII 0x0001
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#define AXE_MEDIA_FULL_DUPLEX 0x0002
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#define AXE_172_MEDIA_TX_ABORT_ALLOW 0x0004
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/* AX88178/88772 documentation says to always write 1 to bit 2 */
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#define AXE_178_MEDIA_MAGIC 0x0004
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/* AX88772 documentation says to always write 0 to bit 3 */
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#define AXE_178_MEDIA_ENCK 0x0008
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#define AXE_172_MEDIA_FLOW_CONTROL_EN 0x0010
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#define AXE_178_MEDIA_RXFLOW_CONTROL_EN 0x0010
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#define AXE_178_MEDIA_TXFLOW_CONTROL_EN 0x0020
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#define AXE_178_MEDIA_JUMBO_EN 0x0040
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#define AXE_178_MEDIA_LTPF_ONLY 0x0080
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#define AXE_178_MEDIA_RX_EN 0x0100
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#define AXE_178_MEDIA_100TX 0x0200
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#define AXE_178_MEDIA_SBP 0x0800
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#define AXE_178_MEDIA_SUPERMAC 0x1000
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#define AXE_RXCMD_PROMISC 0x0001
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#define AXE_RXCMD_ALLMULTI 0x0002
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#define AXE_172_RXCMD_UNICAST 0x0004
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#define AXE_178_RXCMD_KEEP_INVALID_CRC 0x0004
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#define AXE_RXCMD_BROADCAST 0x0008
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#define AXE_RXCMD_MULTICAST 0x0010
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#define AXE_RXCMD_ACCEPT_RUNT 0x0040 /* AX88772B */
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#define AXE_RXCMD_ENABLE 0x0080
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#define AXE_178_RXCMD_MFB_MASK 0x0300
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#define AXE_178_RXCMD_MFB_2048 0x0000
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#define AXE_178_RXCMD_MFB_4096 0x0100
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#define AXE_178_RXCMD_MFB_8192 0x0200
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#define AXE_178_RXCMD_MFB_16384 0x0300
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#define AXE_772B_RXCMD_HDR_TYPE_0 0x0000
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#define AXE_772B_RXCMD_HDR_TYPE_1 0x0100
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#define AXE_772B_RXCMD_IPHDR_ALIGN 0x0200
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#define AXE_772B_RXCMD_ADD_CHKSUM 0x0400
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#define AXE_RXCMD_LOOPBACK 0x1000 /* AX88772A/AX88772B */
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#define AXE_PHY_SEL_PRI 1
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#define AXE_PHY_SEL_SEC 0
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#define AXE_PHY_TYPE_MASK 0xE0
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#define AXE_PHY_TYPE_SHIFT 5
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#define AXE_PHY_TYPE(x) \
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(((x) & AXE_PHY_TYPE_MASK) >> AXE_PHY_TYPE_SHIFT)
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#define PHY_TYPE_100_HOME 0 /* 10/100 or 1M HOME PHY */
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#define PHY_TYPE_GIG 1 /* Gigabit PHY */
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#define PHY_TYPE_SPECIAL 4 /* Special case */
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#define PHY_TYPE_RSVD 5 /* Reserved */
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#define PHY_TYPE_NON_SUP 7 /* Non-supported PHY */
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#define AXE_PHY_NO_MASK 0x1F
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#define AXE_PHY_NO(x) ((x) & AXE_PHY_NO_MASK)
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#define AXE_772_PHY_NO_EPHY 0x10 /* Embedded 10/100 PHY of AX88772 */
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#define AXE_GPIO0_EN 0x01
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#define AXE_GPIO0 0x02
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#define AXE_GPIO1_EN 0x04
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#define AXE_GPIO1 0x08
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#define AXE_GPIO2_EN 0x10
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#define AXE_GPIO2 0x20
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#define AXE_GPIO_RELOAD_EEPROM 0x80
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#define AXE_PHY_MODE_MARVELL 0x00
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#define AXE_PHY_MODE_CICADA 0x01
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#define AXE_PHY_MODE_AGERE 0x02
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#define AXE_PHY_MODE_CICADA_V2 0x05
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#define AXE_PHY_MODE_AGERE_GMII 0x06
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#define AXE_PHY_MODE_CICADA_V2_ASIX 0x09
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#define AXE_PHY_MODE_REALTEK_8211CL 0x0C
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#define AXE_PHY_MODE_REALTEK_8211BN 0x0D
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#define AXE_PHY_MODE_REALTEK_8251CL 0x0E
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#define AXE_PHY_MODE_ATTANSIC 0x40
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/* AX88772A/AX88772B only. */
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#define AXE_SW_PHY_SELECT_EXT 0x0000
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#define AXE_SW_PHY_SELECT_EMBEDDED 0x0001
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#define AXE_SW_PHY_SELECT_AUTO 0x0002
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#define AXE_SW_PHY_SELECT_SS_MII 0x0004
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#define AXE_SW_PHY_SELECT_SS_RVRS_MII 0x0008
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#define AXE_SW_PHY_SELECT_SS_RVRS_RMII 0x000C
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#define AXE_SW_PHY_SELECT_SS_ENB 0x0010
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/* AX88772A/AX88772B VLAN control. */
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#define AXE_VLAN_CTRL_ENB 0x00001000
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#define AXE_VLAN_CTRL_STRIP 0x00002000
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#define AXE_VLAN_CTRL_VID1_MASK 0x00000FFF
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#define AXE_VLAN_CTRL_VID2_MASK 0x0FFF0000
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#define AXE_RXCSUM_IP 0x0001
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#define AXE_RXCSUM_IPVE 0x0002
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#define AXE_RXCSUM_IPV6E 0x0004
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#define AXE_RXCSUM_TCP 0x0008
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#define AXE_RXCSUM_UDP 0x0010
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#define AXE_RXCSUM_ICMP 0x0020
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#define AXE_RXCSUM_IGMP 0x0040
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#define AXE_RXCSUM_ICMP6 0x0080
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#define AXE_RXCSUM_TCPV6 0x0100
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#define AXE_RXCSUM_UDPV6 0x0200
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#define AXE_RXCSUM_ICMPV6 0x0400
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#define AXE_RXCSUM_IGMPV6 0x0800
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#define AXE_RXCSUM_ICMP6V6 0x1000
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#define AXE_RXCSUM_FOPC 0x8000
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#define AXE_RXCSUM_64TE 0x0100
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#define AXE_RXCSUM_PPPOE 0x0200
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#define AXE_RXCSUM_RPCE 0x8000
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#define AXE_TXCSUM_IP 0x0001
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#define AXE_TXCSUM_TCP 0x0002
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#define AXE_TXCSUM_UDP 0x0004
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#define AXE_TXCSUM_ICMP 0x0008
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#define AXE_TXCSUM_IGMP 0x0010
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#define AXE_TXCSUM_ICMP6 0x0020
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#define AXE_TXCSUM_TCPV6 0x0100
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#define AXE_TXCSUM_UDPV6 0x0200
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#define AXE_TXCSUM_ICMPV6 0x0400
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#define AXE_TXCSUM_IGMPV6 0x0800
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#define AXE_TXCSUM_ICMP6V6 0x1000
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#define AXE_TXCSUM_64TE 0x0001
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#define AXE_TXCSUM_PPPOE 0x0002
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#define AXE_BULK_BUF_SIZE 16384 /* bytes */
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#define AXE_CTL_READ 0x01
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#define AXE_CTL_WRITE 0x02
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#define AXE_CONFIG_IDX 0 /* config number 1 */
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#define AXE_IFACE_IDX 0
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/* EEPROM Map. */
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#define AXE_EEPROM_772B_NODE_ID 0x04
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#define AXE_EEPROM_772B_PHY_PWRCFG 0x18
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struct ax88772b_mfb {
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int byte_cnt;
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int threshold;
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int size;
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};
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#define AX88772B_MFB_2K 0
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#define AX88772B_MFB_4K 1
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#define AX88772B_MFB_6K 2
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#define AX88772B_MFB_8K 3
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#define AX88772B_MFB_16K 4
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#define AX88772B_MFB_20K 5
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#define AX88772B_MFB_24K 6
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#define AX88772B_MFB_32K 7
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struct axe_sframe_hdr {
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uint16_t len;
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#define AXE_HDR_LEN_MASK 0xFFFF
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uint16_t ilen;
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} __packed;
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#define AXE_TX_CSUM_PSEUDO_HDR 0x4000
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#define AXE_TX_CSUM_DIS 0x8000
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/*
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* When RX checksum offloading is enabled, AX88772B uses new RX header
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* format and it's not compatible with previous RX header format. In
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* addition, IP header align option should be enabled to get correct
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* frame size including RX header. Total transferred size including
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* the RX header is multiple of 4 and controller will pad necessary
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* bytes if the length is not multiple of 4.
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* This driver does not enable partial checksum feature which will
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* compute 16bit checksum from 14th byte to the end of the frame. If
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* this feature is enabled, computed checksum value is embedded into
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* RX header which in turn means it uses different RX header format.
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*/
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struct axe_csum_hdr {
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uint16_t len;
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#define AXE_CSUM_HDR_LEN_MASK 0x07FF
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#define AXE_CSUM_HDR_CRC_ERR 0x1000
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#define AXE_CSUM_HDR_MII_ERR 0x2000
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#define AXE_CSUM_HDR_RUNT 0x4000
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#define AXE_CSUM_HDR_BMCAST 0x8000
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uint16_t ilen;
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uint16_t cstatus;
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#define AXE_CSUM_HDR_VLAN_MASK 0x0007
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#define AXE_CSUM_HDR_VLAN_STRIP 0x0008
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#define AXE_CSUM_HDR_VLAN_PRI_MASK 0x0070
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#define AXE_CSUM_HDR_L4_CSUM_ERR 0x0100
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#define AXE_CSUM_HDR_L3_CSUM_ERR 0x0200
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#define AXE_CSUM_HDR_L4_TYPE_UDP 0x0400
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#define AXE_CSUM_HDR_L4_TYPE_ICMP 0x0800
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#define AXE_CSUM_HDR_L4_TYPE_IGMP 0x0C00
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#define AXE_CSUM_HDR_L4_TYPE_TCP 0x1000
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#define AXE_CSUM_HDR_L4_TYPE_TCPV6 0x1400
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#define AXE_CSUM_HDR_L4_TYPE_MASK 0x1C00
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#define AXE_CSUM_HDR_L3_TYPE_IPV4 0x2000
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#define AXE_CSUM_HDR_L3_TYPE_IPV6 0x4000
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#ifdef AXE_APPEND_PARTIAL_CSUM
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/*
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* These members present only when partial checksum
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* offloading is enabled. The checksum value is simple
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* 16bit sum of received frame starting at offset 14 of
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* the frame to the end of the frame excluding FCS bytes.
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*/
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uint16_t csum_value;
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uint16_t dummy;
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#endif
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} __packed;
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#define AXE_CSUM_RXBYTES(x) ((x) & AXE_CSUM_HDR_LEN_MASK)
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#define GET_MII(sc) uether_getmii(&(sc)->sc_ue)
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/* The interrupt endpoint is currently unused by the ASIX part. */
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enum {
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AXE_BULK_DT_WR,
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AXE_BULK_DT_RD,
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AXE_N_TRANSFER,
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};
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struct axe_softc {
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struct usb_ether sc_ue;
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struct mtx sc_mtx;
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struct usb_xfer *sc_xfer[AXE_N_TRANSFER];
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int sc_phyno;
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int sc_flags;
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#define AXE_FLAG_LINK 0x0001
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#define AXE_FLAG_STD_FRAME 0x0010
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#define AXE_FLAG_CSUM_FRAME 0x0020
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#define AXE_FLAG_772 0x1000 /* AX88772 */
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#define AXE_FLAG_772A 0x2000 /* AX88772A */
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#define AXE_FLAG_772B 0x4000 /* AX88772B */
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#define AXE_FLAG_178 0x8000 /* AX88178 */
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uint8_t sc_ipgs[3];
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uint8_t sc_phyaddrs[2];
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uint16_t sc_pwrcfg;
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uint16_t sc_lenmask;
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};
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#define AXE_IS_178_FAMILY(sc) \
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((sc)->sc_flags & (AXE_FLAG_772 | AXE_FLAG_772A | AXE_FLAG_772B | \
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AXE_FLAG_178))
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#define AXE_IS_772(sc) \
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((sc)->sc_flags & (AXE_FLAG_772 | AXE_FLAG_772A | AXE_FLAG_772B))
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#define AXE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define AXE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#define AXE_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t)
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