| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * wanXL serial card driver for Linux |
| * definitions common to host driver and card firmware |
| * |
| * Copyright (C) 2003 Krzysztof Halasa <khc@pm.waw.pl> |
| */ |
| |
| #define RESET_WHILE_LOADING 0 |
| |
| /* you must rebuild the firmware if any of the following is changed */ |
| #define DETECT_RAM 0 /* needed for > 4MB RAM, 16 MB maximum */ |
| #define QUICC_MEMCPY_USES_PLX 1 /* must be used if the host has > 256 MB RAM */ |
| |
| |
| #define STATUS_CABLE_V35 2 |
| #define STATUS_CABLE_X21 3 |
| #define STATUS_CABLE_V24 4 |
| #define STATUS_CABLE_EIA530 5 |
| #define STATUS_CABLE_INVALID 6 |
| #define STATUS_CABLE_NONE 7 |
| |
| #define STATUS_CABLE_DCE 0x8000 |
| #define STATUS_CABLE_DSR 0x0010 |
| #define STATUS_CABLE_DCD 0x0008 |
| #define STATUS_CABLE_PM_SHIFT 5 |
| |
| #define PDM_OFFSET 0x1000 |
| |
| #define TX_BUFFERS 10 /* per port */ |
| #define RX_BUFFERS 30 |
| #define RX_QUEUE_LENGTH 40 /* card->host queue length - per card */ |
| |
| #define PACKET_EMPTY 0x00 |
| #define PACKET_FULL 0x10 |
| #define PACKET_SENT 0x20 /* TX only */ |
| #define PACKET_UNDERRUN 0x30 /* TX only */ |
| #define PACKET_PORT_MASK 0x03 /* RX only */ |
| |
| /* bit numbers in PLX9060 doorbell registers */ |
| #define DOORBELL_FROM_CARD_TX_0 0 /* packet sent by the card */ |
| #define DOORBELL_FROM_CARD_TX_1 1 |
| #define DOORBELL_FROM_CARD_TX_2 2 |
| #define DOORBELL_FROM_CARD_TX_3 3 |
| #define DOORBELL_FROM_CARD_RX 4 |
| #define DOORBELL_FROM_CARD_CABLE_0 5 /* cable/PM/etc. changed */ |
| #define DOORBELL_FROM_CARD_CABLE_1 6 |
| #define DOORBELL_FROM_CARD_CABLE_2 7 |
| #define DOORBELL_FROM_CARD_CABLE_3 8 |
| |
| #define DOORBELL_TO_CARD_OPEN_0 0 |
| #define DOORBELL_TO_CARD_OPEN_1 1 |
| #define DOORBELL_TO_CARD_OPEN_2 2 |
| #define DOORBELL_TO_CARD_OPEN_3 3 |
| #define DOORBELL_TO_CARD_CLOSE_0 4 |
| #define DOORBELL_TO_CARD_CLOSE_1 5 |
| #define DOORBELL_TO_CARD_CLOSE_2 6 |
| #define DOORBELL_TO_CARD_CLOSE_3 7 |
| #define DOORBELL_TO_CARD_TX_0 8 /* outbound packet queued */ |
| #define DOORBELL_TO_CARD_TX_1 9 |
| #define DOORBELL_TO_CARD_TX_2 10 |
| #define DOORBELL_TO_CARD_TX_3 11 |
| |
| /* firmware-only status bits, starting from last DOORBELL_TO_CARD + 1 */ |
| #define TASK_SCC_0 12 |
| #define TASK_SCC_1 13 |
| #define TASK_SCC_2 14 |
| #define TASK_SCC_3 15 |
| |
| #define ALIGN32(x) (((x) + 3) & 0xFFFFFFFC) |
| #define BUFFER_LENGTH ALIGN32(HDLC_MAX_MRU + 4) /* 4 bytes for 32-bit CRC */ |
| |
| /* Address of TX and RX buffers in 68360 address space */ |
| #define BUFFERS_ADDR 0x4000 /* 16 KB */ |
| |
| #ifndef __ASSEMBLER__ |
| #define PLX_OFFSET 0 |
| #else |
| #define PLX_OFFSET PLX + 0x80 |
| #endif |
| |
| #define PLX_MAILBOX_0 (PLX_OFFSET + 0x40) |
| #define PLX_MAILBOX_1 (PLX_OFFSET + 0x44) |
| #define PLX_MAILBOX_2 (PLX_OFFSET + 0x48) |
| #define PLX_MAILBOX_3 (PLX_OFFSET + 0x4C) |
| #define PLX_MAILBOX_4 (PLX_OFFSET + 0x50) |
| #define PLX_MAILBOX_5 (PLX_OFFSET + 0x54) |
| #define PLX_MAILBOX_6 (PLX_OFFSET + 0x58) |
| #define PLX_MAILBOX_7 (PLX_OFFSET + 0x5C) |
| #define PLX_DOORBELL_TO_CARD (PLX_OFFSET + 0x60) |
| #define PLX_DOORBELL_FROM_CARD (PLX_OFFSET + 0x64) |
| #define PLX_INTERRUPT_CS (PLX_OFFSET + 0x68) |
| #define PLX_CONTROL (PLX_OFFSET + 0x6C) |
| |
| #ifdef __ASSEMBLER__ |
| #define PLX_DMA_0_MODE (PLX + 0x100) |
| #define PLX_DMA_0_PCI (PLX + 0x104) |
| #define PLX_DMA_0_LOCAL (PLX + 0x108) |
| #define PLX_DMA_0_LENGTH (PLX + 0x10C) |
| #define PLX_DMA_0_DESC (PLX + 0x110) |
| #define PLX_DMA_1_MODE (PLX + 0x114) |
| #define PLX_DMA_1_PCI (PLX + 0x118) |
| #define PLX_DMA_1_LOCAL (PLX + 0x11C) |
| #define PLX_DMA_1_LENGTH (PLX + 0x120) |
| #define PLX_DMA_1_DESC (PLX + 0x124) |
| #define PLX_DMA_CMD_STS (PLX + 0x128) |
| #define PLX_DMA_ARBITR_0 (PLX + 0x12C) |
| #define PLX_DMA_ARBITR_1 (PLX + 0x130) |
| #endif |
| |
| #define DESC_LENGTH 12 |
| |
| /* offsets from start of status_t */ |
| /* card to host */ |
| #define STATUS_OPEN 0 |
| #define STATUS_CABLE (STATUS_OPEN + 4) |
| #define STATUS_RX_OVERRUNS (STATUS_CABLE + 4) |
| #define STATUS_RX_FRAME_ERRORS (STATUS_RX_OVERRUNS + 4) |
| |
| /* host to card */ |
| #define STATUS_PARITY (STATUS_RX_FRAME_ERRORS + 4) |
| #define STATUS_ENCODING (STATUS_PARITY + 4) |
| #define STATUS_CLOCKING (STATUS_ENCODING + 4) |
| #define STATUS_TX_DESCS (STATUS_CLOCKING + 4) |
| |
| #ifndef __ASSEMBLER__ |
| |
| typedef struct { |
| volatile u32 stat; |
| u32 address; /* PCI address */ |
| volatile u32 length; |
| }desc_t; |
| |
| |
| typedef struct { |
| // Card to host |
| volatile u32 open; |
| volatile u32 cable; |
| volatile u32 rx_overruns; |
| volatile u32 rx_frame_errors; |
| |
| // Host to card |
| u32 parity; |
| u32 encoding; |
| u32 clocking; |
| desc_t tx_descs[TX_BUFFERS]; |
| }port_status_t; |
| |
| #endif /* __ASSEMBLER__ */ |
