2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2008 Stanislav Sedov <stas@FreeBSD.org>.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 * Supported chips identifiers.
36 #define VENDORID_ATTANSIC 0x1969
37 #define DEVICEID_ATTANSIC_L2 0x2048
39 /* How much to wait for reset to complete (10 microsecond units). */
40 #define AE_RESET_TIMEOUT 100
42 /* How much to wait for device to enter idle state (100 microsecond units). */
43 #define AE_IDLE_TIMEOUT 100
45 /* How much to wait for MDIO to do the work (2 microsecond units). */
46 #define AE_MDIO_TIMEOUT 10
48 /* How much to wait for VPD reading operation to complete (2 ms units). */
49 #define AE_VPD_TIMEOUT 10
51 /* How much to wait for send operation to complete (HZ units). */
52 #define AE_TX_TIMEOUT 5
54 /* Default PHY address. */
55 #define AE_PHYADDR_DEFAULT 0
57 /* Tx packet descriptor header format. */
58 typedef struct ae_txd {
63 /* Tx status descriptor format. */
64 typedef struct ae_txs {
69 /* Rx packet descriptor format. */
70 typedef struct ae_rxd {
79 typedef struct ae_stats {
96 uint32_t tx_singlecol;
100 uint32_t tx_underrun;
103 /* Software state structure. */
104 typedef struct ae_softc {
108 struct resource *mem[1];
109 struct resource_spec *spec_mem;
110 struct resource *irq[1];
111 struct resource_spec *spec_irq;
116 uint8_t eaddr[ETHER_ADDR_LEN];
120 struct callout tick_ch;
123 struct task int_task;
124 struct task link_task;
125 struct taskqueue *tq;
128 bus_dma_tag_t dma_parent_tag;
129 bus_dma_tag_t dma_rxd_tag;
130 bus_dma_tag_t dma_txd_tag;
131 bus_dma_tag_t dma_txs_tag;
132 bus_dmamap_t dma_rxd_map;
133 bus_dmamap_t dma_txd_map;
134 bus_dmamap_t dma_txs_map;
136 bus_addr_t dma_rxd_busaddr;
137 bus_addr_t dma_txd_busaddr;
138 bus_addr_t dma_txs_busaddr;
140 char *rxd_base_dma; /* Start of allocated area. */
141 ae_rxd_t *rxd_base; /* Start of RxD ring. */
142 char *txd_base; /* Start of TxD ring. */
143 ae_txs_t *txs_base; /* Start of TxS ring. */
146 unsigned int rxd_cur;
147 unsigned int txd_cur;
148 unsigned int txs_cur;
149 unsigned int txs_ack;
150 unsigned int txd_ack;
152 int tx_inproc; /* Active Tx frames in ring. */
158 #define AE_LOCK(_sc) mtx_lock(&(_sc)->mtx)
159 #define AE_UNLOCK(_sc) mtx_unlock(&(_sc)->mtx)
160 #define AE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->mtx, MA_OWNED)
162 #define BUS_ADDR_LO(x) ((uint64_t) (x) & 0xFFFFFFFF)
163 #define BUS_ADDR_HI(x) ((uint64_t) (x) >> 32)
165 #define AE_FLAG_LINK 0x01 /* Has link. */
166 #define AE_FLAG_DETACH 0x02 /* Is detaching. */
167 #define AE_FLAG_TXAVAIL 0x04 /* Tx'es available. */
168 #define AE_FLAG_MSI 0x08 /* Using MSI. */
169 #define AE_FLAG_PMG 0x10 /* Supports PCI power management. */
171 #endif /* IF_AEVAR_H */