Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 1 | /* drivers/net/ax88796.c |
| 2 | * |
| 3 | * Copyright 2005,2007 Simtec Electronics |
| 4 | * Ben Dooks <ben@simtec.co.uk> |
| 5 | * |
| 6 | * Asix AX88796 10/100 Ethernet controller support |
| 7 | * Based on ne.c, by Donald Becker, et-al. |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License version 2 as |
| 11 | * published by the Free Software Foundation. |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 12 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 13 | |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/errno.h> |
| 17 | #include <linux/isapnp.h> |
| 18 | #include <linux/init.h> |
| 19 | #include <linux/interrupt.h> |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 20 | #include <linux/io.h> |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 21 | #include <linux/platform_device.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/timer.h> |
| 24 | #include <linux/netdevice.h> |
| 25 | #include <linux/etherdevice.h> |
| 26 | #include <linux/ethtool.h> |
| 27 | #include <linux/mii.h> |
Magnus Damm | 89e536a | 2007-09-28 22:42:16 -0700 | [diff] [blame] | 28 | #include <linux/eeprom_93cx6.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 29 | #include <linux/slab.h> |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 30 | |
| 31 | #include <net/ax88796.h> |
| 32 | |
| 33 | #include <asm/system.h> |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 34 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 35 | static int phy_debug; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 36 | |
| 37 | /* Rename the lib8390.c functions to show that they are in this driver */ |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 38 | #define __ei_open ax_ei_open |
| 39 | #define __ei_close ax_ei_close |
| 40 | #define __ei_poll ax_ei_poll |
Magnus Damm | d57bc36 | 2009-01-14 21:05:55 -0800 | [diff] [blame] | 41 | #define __ei_start_xmit ax_ei_start_xmit |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 42 | #define __ei_tx_timeout ax_ei_tx_timeout |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 43 | #define __ei_get_stats ax_ei_get_stats |
Magnus Damm | d57bc36 | 2009-01-14 21:05:55 -0800 | [diff] [blame] | 44 | #define __ei_set_multicast_list ax_ei_set_multicast_list |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 45 | #define __ei_interrupt ax_ei_interrupt |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 46 | #define ____alloc_ei_netdev ax__alloc_ei_netdev |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 47 | #define __NS8390_init ax_NS8390_init |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 48 | |
| 49 | /* force unsigned long back to 'void __iomem *' */ |
| 50 | #define ax_convert_addr(_a) ((void __force __iomem *)(_a)) |
| 51 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 52 | #define ei_inb(_a) readb(ax_convert_addr(_a)) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 53 | #define ei_outb(_v, _a) writeb(_v, ax_convert_addr(_a)) |
| 54 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 55 | #define ei_inb_p(_a) ei_inb(_a) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 56 | #define ei_outb_p(_v, _a) ei_outb(_v, _a) |
| 57 | |
| 58 | /* define EI_SHIFT() to take into account our register offsets */ |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 59 | #define EI_SHIFT(x) (ei_local->reg_offset[(x)]) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 60 | |
| 61 | /* Ensure we have our RCR base value */ |
| 62 | #define AX88796_PLATFORM |
| 63 | |
| 64 | static unsigned char version[] = "ax88796.c: Copyright 2005,2007 Simtec Electronics\n"; |
| 65 | |
| 66 | #include "lib8390.c" |
| 67 | |
| 68 | #define DRV_NAME "ax88796" |
| 69 | #define DRV_VERSION "1.00" |
| 70 | |
| 71 | /* from ne.c */ |
| 72 | #define NE_CMD EI_SHIFT(0x00) |
| 73 | #define NE_RESET EI_SHIFT(0x1f) |
| 74 | #define NE_DATAPORT EI_SHIFT(0x10) |
| 75 | |
| 76 | #define NE1SM_START_PG 0x20 /* First page of TX buffer */ |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 77 | #define NE1SM_STOP_PG 0x40 /* Last page +1 of RX ring */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 78 | #define NESM_START_PG 0x40 /* First page of TX buffer */ |
| 79 | #define NESM_STOP_PG 0x80 /* Last page +1 of RX ring */ |
| 80 | |
| 81 | /* device private data */ |
| 82 | |
| 83 | struct ax_device { |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 84 | struct timer_list mii_timer; |
| 85 | spinlock_t mii_lock; |
| 86 | struct mii_if_info mii; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 87 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 88 | u32 msg_enable; |
| 89 | void __iomem *map2; |
Marc Kleine-Budde | a54dc58 | 2011-02-21 10:43:31 +0100 | [diff] [blame] | 90 | const struct ax_plat_data *plat; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 91 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 92 | unsigned char running; |
| 93 | unsigned char resume_open; |
| 94 | unsigned int irqflags; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 95 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 96 | u32 reg_offsets[0x20]; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 97 | }; |
| 98 | |
| 99 | static inline struct ax_device *to_ax_dev(struct net_device *dev) |
| 100 | { |
| 101 | struct ei_device *ei_local = netdev_priv(dev); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 102 | return (struct ax_device *)(ei_local + 1); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 103 | } |
| 104 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 105 | /* |
| 106 | * ax_initial_check |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 107 | * |
| 108 | * do an initial probe for the card to check wether it exists |
| 109 | * and is functional |
| 110 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 111 | static int ax_initial_check(struct net_device *dev) |
| 112 | { |
| 113 | struct ei_device *ei_local = netdev_priv(dev); |
| 114 | void __iomem *ioaddr = ei_local->mem; |
| 115 | int reg0; |
| 116 | int regd; |
| 117 | |
| 118 | reg0 = ei_inb(ioaddr); |
| 119 | if (reg0 == 0xFF) |
| 120 | return -ENODEV; |
| 121 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 122 | ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, ioaddr + E8390_CMD); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 123 | regd = ei_inb(ioaddr + 0x0d); |
| 124 | ei_outb(0xff, ioaddr + 0x0d); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 125 | ei_outb(E8390_NODMA + E8390_PAGE0, ioaddr + E8390_CMD); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 126 | ei_inb(ioaddr + EN0_COUNTER0); /* Clear the counter by reading. */ |
| 127 | if (ei_inb(ioaddr + EN0_COUNTER0) != 0) { |
| 128 | ei_outb(reg0, ioaddr); |
| 129 | ei_outb(regd, ioaddr + 0x0d); /* Restore the old values. */ |
| 130 | return -ENODEV; |
| 131 | } |
| 132 | |
| 133 | return 0; |
| 134 | } |
| 135 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 136 | /* |
| 137 | * Hard reset the card. This used to pause for the same period that a |
| 138 | * 8390 reset command required, but that shouldn't be necessary. |
| 139 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 140 | static void ax_reset_8390(struct net_device *dev) |
| 141 | { |
| 142 | struct ei_device *ei_local = netdev_priv(dev); |
| 143 | unsigned long reset_start_time = jiffies; |
| 144 | void __iomem *addr = (void __iomem *)dev->base_addr; |
| 145 | |
| 146 | if (ei_debug > 1) |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 147 | netdev_dbg(dev, "resetting the 8390 t=%ld\n", jiffies); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 148 | |
| 149 | ei_outb(ei_inb(addr + NE_RESET), addr + NE_RESET); |
| 150 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 151 | ei_local->txing = 0; |
| 152 | ei_local->dmaing = 0; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 153 | |
| 154 | /* This check _should_not_ be necessary, omit eventually. */ |
| 155 | while ((ei_inb(addr + EN0_ISR) & ENISR_RESET) == 0) { |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 156 | if (jiffies - reset_start_time > 2 * HZ / 100) { |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 157 | netdev_warn(dev, "%s: did not complete.\n", __func__); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 158 | break; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | ei_outb(ENISR_RESET, addr + EN0_ISR); /* Ack intr. */ |
| 163 | } |
| 164 | |
| 165 | |
| 166 | static void ax_get_8390_hdr(struct net_device *dev, struct e8390_pkt_hdr *hdr, |
| 167 | int ring_page) |
| 168 | { |
| 169 | struct ei_device *ei_local = netdev_priv(dev); |
| 170 | void __iomem *nic_base = ei_local->mem; |
| 171 | |
| 172 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 173 | if (ei_local->dmaing) { |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 174 | netdev_err(dev, "DMAing conflict in %s " |
Ben Dooks | 237c5e8 | 2008-01-31 11:25:31 +0000 | [diff] [blame] | 175 | "[DMAstat:%d][irqlock:%d].\n", |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 176 | __func__, |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 177 | ei_local->dmaing, ei_local->irqlock); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 178 | return; |
| 179 | } |
| 180 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 181 | ei_local->dmaing |= 0x01; |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 182 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_START, nic_base + NE_CMD); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 183 | ei_outb(sizeof(struct e8390_pkt_hdr), nic_base + EN0_RCNTLO); |
| 184 | ei_outb(0, nic_base + EN0_RCNTHI); |
| 185 | ei_outb(0, nic_base + EN0_RSARLO); /* On page boundary */ |
| 186 | ei_outb(ring_page, nic_base + EN0_RSARHI); |
| 187 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); |
| 188 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 189 | if (ei_local->word16) |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 190 | readsw(nic_base + NE_DATAPORT, hdr, |
| 191 | sizeof(struct e8390_pkt_hdr) >> 1); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 192 | else |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 193 | readsb(nic_base + NE_DATAPORT, hdr, |
| 194 | sizeof(struct e8390_pkt_hdr)); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 195 | |
| 196 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 197 | ei_local->dmaing &= ~0x01; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 198 | |
| 199 | le16_to_cpus(&hdr->count); |
| 200 | } |
| 201 | |
| 202 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 203 | /* |
| 204 | * Block input and output, similar to the Crynwr packet driver. If |
| 205 | * you are porting to a new ethercard, look at the packet driver |
| 206 | * source for hints. The NEx000 doesn't share the on-board packet |
| 207 | * memory -- you have to put the packet out through the "remote DMA" |
| 208 | * dataport using ei_outb. |
| 209 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 210 | static void ax_block_input(struct net_device *dev, int count, |
| 211 | struct sk_buff *skb, int ring_offset) |
| 212 | { |
| 213 | struct ei_device *ei_local = netdev_priv(dev); |
| 214 | void __iomem *nic_base = ei_local->mem; |
| 215 | char *buf = skb->data; |
| 216 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 217 | if (ei_local->dmaing) { |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 218 | netdev_err(dev, |
| 219 | "DMAing conflict in %s " |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 220 | "[DMAstat:%d][irqlock:%d].\n", |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 221 | __func__, |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 222 | ei_local->dmaing, ei_local->irqlock); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 223 | return; |
| 224 | } |
| 225 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 226 | ei_local->dmaing |= 0x01; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 227 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 228 | ei_outb(E8390_NODMA+E8390_PAGE0+E8390_START, nic_base + NE_CMD); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 229 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); |
| 230 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); |
| 231 | ei_outb(ring_offset & 0xff, nic_base + EN0_RSARLO); |
| 232 | ei_outb(ring_offset >> 8, nic_base + EN0_RSARHI); |
| 233 | ei_outb(E8390_RREAD+E8390_START, nic_base + NE_CMD); |
| 234 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 235 | if (ei_local->word16) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 236 | readsw(nic_base + NE_DATAPORT, buf, count >> 1); |
| 237 | if (count & 0x01) |
| 238 | buf[count-1] = ei_inb(nic_base + NE_DATAPORT); |
| 239 | |
| 240 | } else { |
| 241 | readsb(nic_base + NE_DATAPORT, buf, count); |
| 242 | } |
| 243 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 244 | ei_local->dmaing &= ~1; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | static void ax_block_output(struct net_device *dev, int count, |
| 248 | const unsigned char *buf, const int start_page) |
| 249 | { |
| 250 | struct ei_device *ei_local = netdev_priv(dev); |
| 251 | void __iomem *nic_base = ei_local->mem; |
| 252 | unsigned long dma_start; |
| 253 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 254 | /* |
| 255 | * Round the count up for word writes. Do we need to do this? |
| 256 | * What effect will an odd byte count have on the 8390? I |
| 257 | * should check someday. |
| 258 | */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 259 | if (ei_local->word16 && (count & 0x01)) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 260 | count++; |
| 261 | |
| 262 | /* This *shouldn't* happen. If it does, it's the last thing you'll see */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 263 | if (ei_local->dmaing) { |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 264 | netdev_err(dev, "DMAing conflict in %s." |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 265 | "[DMAstat:%d][irqlock:%d]\n", |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 266 | __func__, |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 267 | ei_local->dmaing, ei_local->irqlock); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 268 | return; |
| 269 | } |
| 270 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 271 | ei_local->dmaing |= 0x01; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 272 | /* We should already be in page 0, but to be safe... */ |
| 273 | ei_outb(E8390_PAGE0+E8390_START+E8390_NODMA, nic_base + NE_CMD); |
| 274 | |
| 275 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); |
| 276 | |
| 277 | /* Now the normal output. */ |
| 278 | ei_outb(count & 0xff, nic_base + EN0_RCNTLO); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 279 | ei_outb(count >> 8, nic_base + EN0_RCNTHI); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 280 | ei_outb(0x00, nic_base + EN0_RSARLO); |
| 281 | ei_outb(start_page, nic_base + EN0_RSARHI); |
| 282 | |
| 283 | ei_outb(E8390_RWRITE+E8390_START, nic_base + NE_CMD); |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 284 | if (ei_local->word16) |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 285 | writesw(nic_base + NE_DATAPORT, buf, count >> 1); |
| 286 | else |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 287 | writesb(nic_base + NE_DATAPORT, buf, count); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 288 | |
| 289 | dma_start = jiffies; |
| 290 | |
| 291 | while ((ei_inb(nic_base + EN0_ISR) & ENISR_RDC) == 0) { |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 292 | if (jiffies - dma_start > 2 * HZ / 100) { /* 20ms */ |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 293 | netdev_warn(dev, "timeout waiting for Tx RDC.\n"); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 294 | ax_reset_8390(dev); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 295 | ax_NS8390_init(dev, 1); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 296 | break; |
| 297 | } |
| 298 | } |
| 299 | |
| 300 | ei_outb(ENISR_RDC, nic_base + EN0_ISR); /* Ack intr. */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 301 | ei_local->dmaing &= ~0x01; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 302 | } |
| 303 | |
| 304 | /* definitions for accessing MII/EEPROM interface */ |
| 305 | |
| 306 | #define AX_MEMR EI_SHIFT(0x14) |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 307 | #define AX_MEMR_MDC BIT(0) |
| 308 | #define AX_MEMR_MDIR BIT(1) |
| 309 | #define AX_MEMR_MDI BIT(2) |
| 310 | #define AX_MEMR_MDO BIT(3) |
| 311 | #define AX_MEMR_EECS BIT(4) |
| 312 | #define AX_MEMR_EEI BIT(5) |
| 313 | #define AX_MEMR_EEO BIT(6) |
| 314 | #define AX_MEMR_EECLK BIT(7) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 315 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 316 | /* |
| 317 | * ax_mii_ei_outbits |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 318 | * |
| 319 | * write the specified set of bits to the phy |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 320 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 321 | static void |
| 322 | ax_mii_ei_outbits(struct net_device *dev, unsigned int bits, int len) |
| 323 | { |
Joe Perches | ece4915 | 2010-11-15 11:12:31 +0000 | [diff] [blame] | 324 | struct ei_device *ei_local = netdev_priv(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 325 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
| 326 | unsigned int memr; |
| 327 | |
| 328 | /* clock low, data to output mode */ |
| 329 | memr = ei_inb(memr_addr); |
| 330 | memr &= ~(AX_MEMR_MDC | AX_MEMR_MDIR); |
| 331 | ei_outb(memr, memr_addr); |
| 332 | |
| 333 | for (len--; len >= 0; len--) { |
| 334 | if (bits & (1 << len)) |
| 335 | memr |= AX_MEMR_MDO; |
| 336 | else |
| 337 | memr &= ~AX_MEMR_MDO; |
| 338 | |
| 339 | ei_outb(memr, memr_addr); |
| 340 | |
| 341 | /* clock high */ |
| 342 | |
| 343 | ei_outb(memr | AX_MEMR_MDC, memr_addr); |
| 344 | udelay(1); |
| 345 | |
| 346 | /* clock low */ |
| 347 | ei_outb(memr, memr_addr); |
| 348 | } |
| 349 | |
| 350 | /* leaves the clock line low, mdir input */ |
| 351 | memr |= AX_MEMR_MDIR; |
| 352 | ei_outb(memr, (void __iomem *)dev->base_addr + AX_MEMR); |
| 353 | } |
| 354 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 355 | /* |
| 356 | * ax_phy_ei_inbits |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 357 | * |
| 358 | * read a specified number of bits from the phy |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 359 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 360 | static unsigned int |
| 361 | ax_phy_ei_inbits(struct net_device *dev, int no) |
| 362 | { |
Joe Perches | ece4915 | 2010-11-15 11:12:31 +0000 | [diff] [blame] | 363 | struct ei_device *ei_local = netdev_priv(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 364 | void __iomem *memr_addr = (void __iomem *)dev->base_addr + AX_MEMR; |
| 365 | unsigned int memr; |
| 366 | unsigned int result = 0; |
| 367 | |
| 368 | /* clock low, data to input mode */ |
| 369 | memr = ei_inb(memr_addr); |
| 370 | memr &= ~AX_MEMR_MDC; |
| 371 | memr |= AX_MEMR_MDIR; |
| 372 | ei_outb(memr, memr_addr); |
| 373 | |
| 374 | for (no--; no >= 0; no--) { |
| 375 | ei_outb(memr | AX_MEMR_MDC, memr_addr); |
| 376 | |
| 377 | udelay(1); |
| 378 | |
| 379 | if (ei_inb(memr_addr) & AX_MEMR_MDI) |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 380 | result |= (1 << no); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 381 | |
| 382 | ei_outb(memr, memr_addr); |
| 383 | } |
| 384 | |
| 385 | return result; |
| 386 | } |
| 387 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 388 | /* |
| 389 | * ax_phy_issueaddr |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 390 | * |
| 391 | * use the low level bit shifting routines to send the address |
| 392 | * and command to the specified phy |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 393 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 394 | static void |
| 395 | ax_phy_issueaddr(struct net_device *dev, int phy_addr, int reg, int opc) |
| 396 | { |
| 397 | if (phy_debug) |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 398 | netdev_dbg(dev, "%s: dev %p, %04x, %04x, %d\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 399 | __func__, dev, phy_addr, reg, opc); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 400 | |
| 401 | ax_mii_ei_outbits(dev, 0x3f, 6); /* pre-amble */ |
| 402 | ax_mii_ei_outbits(dev, 1, 2); /* frame-start */ |
| 403 | ax_mii_ei_outbits(dev, opc, 2); /* op code */ |
| 404 | ax_mii_ei_outbits(dev, phy_addr, 5); /* phy address */ |
| 405 | ax_mii_ei_outbits(dev, reg, 5); /* reg address */ |
| 406 | } |
| 407 | |
| 408 | static int |
| 409 | ax_phy_read(struct net_device *dev, int phy_addr, int reg) |
| 410 | { |
Joe Perches | ece4915 | 2010-11-15 11:12:31 +0000 | [diff] [blame] | 411 | struct ei_device *ei_local = netdev_priv(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 412 | unsigned long flags; |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 413 | unsigned int result; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 414 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 415 | spin_lock_irqsave(&ei_local->page_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 416 | |
| 417 | ax_phy_issueaddr(dev, phy_addr, reg, 2); |
| 418 | |
| 419 | result = ax_phy_ei_inbits(dev, 17); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 420 | result &= ~(3 << 16); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 421 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 422 | spin_unlock_irqrestore(&ei_local->page_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 423 | |
| 424 | if (phy_debug) |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 425 | netdev_dbg(dev, "%s: %04x.%04x => read %04x\n", __func__, |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 426 | phy_addr, reg, result); |
| 427 | |
| 428 | return result; |
| 429 | } |
| 430 | |
| 431 | static void |
| 432 | ax_phy_write(struct net_device *dev, int phy_addr, int reg, int value) |
| 433 | { |
Joe Perches | ece4915 | 2010-11-15 11:12:31 +0000 | [diff] [blame] | 434 | struct ei_device *ei = netdev_priv(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 435 | unsigned long flags; |
| 436 | |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 437 | netdev_dbg(dev, "%s: %p, %04x, %04x %04x\n", |
Harvey Harrison | b39d66a | 2008-08-20 16:52:04 -0700 | [diff] [blame] | 438 | __func__, dev, phy_addr, reg, value); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 439 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 440 | spin_lock_irqsave(&ei->page_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 441 | |
| 442 | ax_phy_issueaddr(dev, phy_addr, reg, 1); |
| 443 | ax_mii_ei_outbits(dev, 2, 2); /* send TA */ |
| 444 | ax_mii_ei_outbits(dev, value, 16); |
| 445 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 446 | spin_unlock_irqrestore(&ei->page_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 447 | } |
| 448 | |
| 449 | static void ax_mii_expiry(unsigned long data) |
| 450 | { |
| 451 | struct net_device *dev = (struct net_device *)data; |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 452 | struct ax_device *ax = to_ax_dev(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 453 | unsigned long flags; |
| 454 | |
| 455 | spin_lock_irqsave(&ax->mii_lock, flags); |
| 456 | mii_check_media(&ax->mii, netif_msg_link(ax), 0); |
| 457 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
| 458 | |
| 459 | if (ax->running) { |
| 460 | ax->mii_timer.expires = jiffies + HZ*2; |
| 461 | add_timer(&ax->mii_timer); |
| 462 | } |
| 463 | } |
| 464 | |
| 465 | static int ax_open(struct net_device *dev) |
| 466 | { |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 467 | struct ax_device *ax = to_ax_dev(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 468 | struct ei_device *ei_local = netdev_priv(dev); |
| 469 | int ret; |
| 470 | |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 471 | netdev_dbg(dev, "open\n"); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 472 | |
Daniel Mack | 47cb035 | 2009-03-24 23:31:22 -0700 | [diff] [blame] | 473 | ret = request_irq(dev->irq, ax_ei_interrupt, ax->irqflags, |
| 474 | dev->name, dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 475 | if (ret) |
| 476 | return ret; |
| 477 | |
| 478 | ret = ax_ei_open(dev); |
Kulikov Vasiliy | 9f1e758 | 2010-07-08 23:42:40 -0700 | [diff] [blame] | 479 | if (ret) { |
| 480 | free_irq(dev->irq, dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 481 | return ret; |
Kulikov Vasiliy | 9f1e758 | 2010-07-08 23:42:40 -0700 | [diff] [blame] | 482 | } |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 483 | |
| 484 | /* turn the phy on (if turned off) */ |
| 485 | |
| 486 | ei_outb(ax->plat->gpoc_val, ei_local->mem + EI_SHIFT(0x17)); |
| 487 | ax->running = 1; |
| 488 | |
| 489 | /* start the MII timer */ |
| 490 | |
| 491 | init_timer(&ax->mii_timer); |
| 492 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 493 | ax->mii_timer.expires = jiffies + 1; |
| 494 | ax->mii_timer.data = (unsigned long) dev; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 495 | ax->mii_timer.function = ax_mii_expiry; |
| 496 | |
| 497 | add_timer(&ax->mii_timer); |
| 498 | |
| 499 | return 0; |
| 500 | } |
| 501 | |
| 502 | static int ax_close(struct net_device *dev) |
| 503 | { |
| 504 | struct ax_device *ax = to_ax_dev(dev); |
| 505 | struct ei_device *ei_local = netdev_priv(dev); |
| 506 | |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 507 | netdev_dbg(dev, "close\n"); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 508 | |
| 509 | /* turn the phy off */ |
| 510 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 511 | ei_outb(ax->plat->gpoc_val | (1 << 6), |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 512 | ei_local->mem + EI_SHIFT(0x17)); |
| 513 | |
| 514 | ax->running = 0; |
| 515 | wmb(); |
| 516 | |
| 517 | del_timer_sync(&ax->mii_timer); |
| 518 | ax_ei_close(dev); |
| 519 | |
| 520 | free_irq(dev->irq, dev); |
| 521 | return 0; |
| 522 | } |
| 523 | |
| 524 | static int ax_ioctl(struct net_device *dev, struct ifreq *req, int cmd) |
| 525 | { |
| 526 | struct ax_device *ax = to_ax_dev(dev); |
| 527 | unsigned long flags; |
| 528 | int rc; |
| 529 | |
| 530 | if (!netif_running(dev)) |
| 531 | return -EINVAL; |
| 532 | |
| 533 | spin_lock_irqsave(&ax->mii_lock, flags); |
| 534 | rc = generic_mii_ioctl(&ax->mii, if_mii(req), cmd, NULL); |
| 535 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
| 536 | |
| 537 | return rc; |
| 538 | } |
| 539 | |
| 540 | /* ethtool ops */ |
| 541 | |
| 542 | static void ax_get_drvinfo(struct net_device *dev, |
| 543 | struct ethtool_drvinfo *info) |
| 544 | { |
Marc Kleine-Budde | 0f442f5 | 2011-02-20 19:13:20 +0100 | [diff] [blame] | 545 | struct platform_device *pdev = to_platform_device(dev->dev.parent); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 546 | |
| 547 | strcpy(info->driver, DRV_NAME); |
| 548 | strcpy(info->version, DRV_VERSION); |
Marc Kleine-Budde | 0f442f5 | 2011-02-20 19:13:20 +0100 | [diff] [blame] | 549 | strcpy(info->bus_info, pdev->name); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 550 | } |
| 551 | |
| 552 | static int ax_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 553 | { |
| 554 | struct ax_device *ax = to_ax_dev(dev); |
| 555 | unsigned long flags; |
| 556 | |
| 557 | spin_lock_irqsave(&ax->mii_lock, flags); |
| 558 | mii_ethtool_gset(&ax->mii, cmd); |
Ben Dooks | c091258 | 2008-08-07 17:21:09 +0100 | [diff] [blame] | 559 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 560 | |
| 561 | return 0; |
| 562 | } |
| 563 | |
| 564 | static int ax_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) |
| 565 | { |
| 566 | struct ax_device *ax = to_ax_dev(dev); |
| 567 | unsigned long flags; |
| 568 | int rc; |
| 569 | |
| 570 | spin_lock_irqsave(&ax->mii_lock, flags); |
| 571 | rc = mii_ethtool_sset(&ax->mii, cmd); |
Ben Dooks | c091258 | 2008-08-07 17:21:09 +0100 | [diff] [blame] | 572 | spin_unlock_irqrestore(&ax->mii_lock, flags); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 573 | |
| 574 | return rc; |
| 575 | } |
| 576 | |
| 577 | static int ax_nway_reset(struct net_device *dev) |
| 578 | { |
| 579 | struct ax_device *ax = to_ax_dev(dev); |
| 580 | return mii_nway_restart(&ax->mii); |
| 581 | } |
| 582 | |
| 583 | static u32 ax_get_link(struct net_device *dev) |
| 584 | { |
| 585 | struct ax_device *ax = to_ax_dev(dev); |
| 586 | return mii_link_ok(&ax->mii); |
| 587 | } |
| 588 | |
| 589 | static const struct ethtool_ops ax_ethtool_ops = { |
| 590 | .get_drvinfo = ax_get_drvinfo, |
| 591 | .get_settings = ax_get_settings, |
| 592 | .set_settings = ax_set_settings, |
| 593 | .nway_reset = ax_nway_reset, |
| 594 | .get_link = ax_get_link, |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 595 | }; |
| 596 | |
Magnus Damm | 89e536a | 2007-09-28 22:42:16 -0700 | [diff] [blame] | 597 | #ifdef CONFIG_AX88796_93CX6 |
| 598 | static void ax_eeprom_register_read(struct eeprom_93cx6 *eeprom) |
| 599 | { |
| 600 | struct ei_device *ei_local = eeprom->data; |
| 601 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); |
| 602 | |
| 603 | eeprom->reg_data_in = reg & AX_MEMR_EEI; |
| 604 | eeprom->reg_data_out = reg & AX_MEMR_EEO; /* Input pin */ |
| 605 | eeprom->reg_data_clock = reg & AX_MEMR_EECLK; |
| 606 | eeprom->reg_chip_select = reg & AX_MEMR_EECS; |
| 607 | } |
| 608 | |
| 609 | static void ax_eeprom_register_write(struct eeprom_93cx6 *eeprom) |
| 610 | { |
| 611 | struct ei_device *ei_local = eeprom->data; |
| 612 | u8 reg = ei_inb(ei_local->mem + AX_MEMR); |
| 613 | |
| 614 | reg &= ~(AX_MEMR_EEI | AX_MEMR_EECLK | AX_MEMR_EECS); |
| 615 | |
| 616 | if (eeprom->reg_data_in) |
| 617 | reg |= AX_MEMR_EEI; |
| 618 | if (eeprom->reg_data_clock) |
| 619 | reg |= AX_MEMR_EECLK; |
| 620 | if (eeprom->reg_chip_select) |
| 621 | reg |= AX_MEMR_EECS; |
| 622 | |
| 623 | ei_outb(reg, ei_local->mem + AX_MEMR); |
| 624 | udelay(10); |
| 625 | } |
| 626 | #endif |
| 627 | |
Magnus Damm | d57bc36 | 2009-01-14 21:05:55 -0800 | [diff] [blame] | 628 | static const struct net_device_ops ax_netdev_ops = { |
| 629 | .ndo_open = ax_open, |
| 630 | .ndo_stop = ax_close, |
| 631 | .ndo_do_ioctl = ax_ioctl, |
| 632 | |
| 633 | .ndo_start_xmit = ax_ei_start_xmit, |
| 634 | .ndo_tx_timeout = ax_ei_tx_timeout, |
| 635 | .ndo_get_stats = ax_ei_get_stats, |
| 636 | .ndo_set_multicast_list = ax_ei_set_multicast_list, |
| 637 | .ndo_validate_addr = eth_validate_addr, |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 638 | .ndo_set_mac_address = eth_mac_addr, |
Magnus Damm | d57bc36 | 2009-01-14 21:05:55 -0800 | [diff] [blame] | 639 | .ndo_change_mtu = eth_change_mtu, |
| 640 | #ifdef CONFIG_NET_POLL_CONTROLLER |
| 641 | .ndo_poll_controller = ax_ei_poll, |
| 642 | #endif |
| 643 | }; |
| 644 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 645 | /* setup code */ |
| 646 | |
| 647 | static void ax_initial_setup(struct net_device *dev, struct ei_device *ei_local) |
| 648 | { |
| 649 | void __iomem *ioaddr = ei_local->mem; |
| 650 | struct ax_device *ax = to_ax_dev(dev); |
| 651 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 652 | /* Select page 0 */ |
| 653 | ei_outb(E8390_NODMA + E8390_PAGE0 + E8390_STOP, ioaddr + E8390_CMD); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 654 | |
| 655 | /* set to byte access */ |
| 656 | ei_outb(ax->plat->dcr_val & ~1, ioaddr + EN0_DCFG); |
| 657 | ei_outb(ax->plat->gpoc_val, ioaddr + EI_SHIFT(0x17)); |
| 658 | } |
| 659 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 660 | /* |
| 661 | * ax_init_dev |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 662 | * |
| 663 | * initialise the specified device, taking care to note the MAC |
| 664 | * address it may already have (if configured), ensure |
| 665 | * the device is ready to be used by lib8390.c and registerd with |
| 666 | * the network layer. |
| 667 | */ |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 668 | static int ax_init_dev(struct net_device *dev) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 669 | { |
| 670 | struct ei_device *ei_local = netdev_priv(dev); |
| 671 | struct ax_device *ax = to_ax_dev(dev); |
| 672 | void __iomem *ioaddr = ei_local->mem; |
| 673 | unsigned int start_page; |
| 674 | unsigned int stop_page; |
| 675 | int ret; |
| 676 | int i; |
| 677 | |
| 678 | ret = ax_initial_check(dev); |
| 679 | if (ret) |
| 680 | goto err_out; |
| 681 | |
| 682 | /* setup goes here */ |
| 683 | |
| 684 | ax_initial_setup(dev, ei_local); |
| 685 | |
| 686 | /* read the mac from the card prom if we need it */ |
| 687 | |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 688 | if (ax->plat->flags & AXFLG_HAS_EEPROM) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 689 | unsigned char SA_prom[32]; |
| 690 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 691 | for (i = 0; i < sizeof(SA_prom); i += 2) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 692 | SA_prom[i] = ei_inb(ioaddr + NE_DATAPORT); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 693 | SA_prom[i + 1] = ei_inb(ioaddr + NE_DATAPORT); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 694 | } |
| 695 | |
| 696 | if (ax->plat->wordlength == 2) |
| 697 | for (i = 0; i < 16; i++) |
| 698 | SA_prom[i] = SA_prom[i+i]; |
| 699 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 700 | memcpy(dev->dev_addr, SA_prom, 6); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 701 | } |
| 702 | |
Magnus Damm | 89e536a | 2007-09-28 22:42:16 -0700 | [diff] [blame] | 703 | #ifdef CONFIG_AX88796_93CX6 |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 704 | if (ax->plat->flags & AXFLG_HAS_93CX6) { |
Magnus Damm | 89e536a | 2007-09-28 22:42:16 -0700 | [diff] [blame] | 705 | unsigned char mac_addr[6]; |
| 706 | struct eeprom_93cx6 eeprom; |
| 707 | |
| 708 | eeprom.data = ei_local; |
| 709 | eeprom.register_read = ax_eeprom_register_read; |
| 710 | eeprom.register_write = ax_eeprom_register_write; |
| 711 | eeprom.width = PCI_EEPROM_WIDTH_93C56; |
| 712 | |
| 713 | eeprom_93cx6_multiread(&eeprom, 0, |
| 714 | (__le16 __force *)mac_addr, |
| 715 | sizeof(mac_addr) >> 1); |
| 716 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 717 | memcpy(dev->dev_addr, mac_addr, 6); |
Magnus Damm | 89e536a | 2007-09-28 22:42:16 -0700 | [diff] [blame] | 718 | } |
| 719 | #endif |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 720 | if (ax->plat->wordlength == 2) { |
| 721 | /* We must set the 8390 for word mode. */ |
| 722 | ei_outb(ax->plat->dcr_val, ei_local->mem + EN0_DCFG); |
| 723 | start_page = NESM_START_PG; |
| 724 | stop_page = NESM_STOP_PG; |
| 725 | } else { |
| 726 | start_page = NE1SM_START_PG; |
| 727 | stop_page = NE1SM_STOP_PG; |
| 728 | } |
| 729 | |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 730 | /* load the mac-address from the device */ |
| 731 | if (ax->plat->flags & AXFLG_MAC_FROMDEV) { |
| 732 | ei_outb(E8390_NODMA + E8390_PAGE1 + E8390_STOP, |
| 733 | ei_local->mem + E8390_CMD); /* 0x61 */ |
| 734 | for (i = 0; i < ETHER_ADDR_LEN; i++) |
| 735 | dev->dev_addr[i] = |
| 736 | ei_inb(ioaddr + EN1_PHYS_SHIFT(i)); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 737 | } |
| 738 | |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 739 | if ((ax->plat->flags & AXFLG_MAC_FROMPLATFORM) && |
| 740 | ax->plat->mac_addr) |
| 741 | memcpy(dev->dev_addr, ax->plat->mac_addr, |
| 742 | ETHER_ADDR_LEN); |
| 743 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 744 | ax_reset_8390(dev); |
| 745 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 746 | ei_local->name = "AX88796"; |
| 747 | ei_local->tx_start_page = start_page; |
| 748 | ei_local->stop_page = stop_page; |
| 749 | ei_local->word16 = (ax->plat->wordlength == 2); |
| 750 | ei_local->rx_start_page = start_page + TX_PAGES; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 751 | |
| 752 | #ifdef PACKETBUF_MEMSIZE |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 753 | /* Allow the packet buffer size to be overridden by know-it-alls. */ |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 754 | ei_local->stop_page = ei_local->tx_start_page + PACKETBUF_MEMSIZE; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 755 | #endif |
| 756 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 757 | ei_local->reset_8390 = &ax_reset_8390; |
| 758 | ei_local->block_input = &ax_block_input; |
| 759 | ei_local->block_output = &ax_block_output; |
| 760 | ei_local->get_8390_hdr = &ax_get_8390_hdr; |
| 761 | ei_local->priv = 0; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 762 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 763 | dev->netdev_ops = &ax_netdev_ops; |
| 764 | dev->ethtool_ops = &ax_ethtool_ops; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 765 | |
| 766 | ax->msg_enable = NETIF_MSG_LINK; |
| 767 | ax->mii.phy_id_mask = 0x1f; |
| 768 | ax->mii.reg_num_mask = 0x1f; |
| 769 | ax->mii.phy_id = 0x10; /* onboard phy */ |
| 770 | ax->mii.force_media = 0; |
| 771 | ax->mii.full_duplex = 0; |
| 772 | ax->mii.mdio_read = ax_phy_read; |
| 773 | ax->mii.mdio_write = ax_phy_write; |
| 774 | ax->mii.dev = dev; |
| 775 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 776 | ax_NS8390_init(dev, 0); |
| 777 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 778 | ret = register_netdev(dev); |
| 779 | if (ret) |
| 780 | goto out_irq; |
| 781 | |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 782 | netdev_info(dev, "%dbit, irq %d, %lx, MAC: %pM\n", |
| 783 | ei_local->word16 ? 16 : 8, dev->irq, dev->base_addr, |
| 784 | dev->dev_addr); |
| 785 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 786 | return 0; |
| 787 | |
| 788 | out_irq: |
| 789 | /* cleanup irq */ |
| 790 | free_irq(dev->irq, dev); |
| 791 | err_out: |
| 792 | return ret; |
| 793 | } |
| 794 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 795 | static int ax_remove(struct platform_device *pdev) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 796 | { |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 797 | struct net_device *dev = platform_get_drvdata(pdev); |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 798 | struct ei_device *ei_local = netdev_priv(dev); |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 799 | struct ax_device *ax = to_ax_dev(dev); |
| 800 | struct resource *mem; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 801 | |
| 802 | unregister_netdev(dev); |
| 803 | free_irq(dev->irq, dev); |
| 804 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 805 | iounmap(ei_local->mem); |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 806 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 807 | release_mem_region(mem->start, resource_size(mem)); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 808 | |
| 809 | if (ax->map2) { |
| 810 | iounmap(ax->map2); |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 811 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
| 812 | release_mem_region(mem->start, resource_size(mem)); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 813 | } |
| 814 | |
| 815 | free_netdev(dev); |
| 816 | |
| 817 | return 0; |
| 818 | } |
| 819 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 820 | /* |
| 821 | * ax_probe |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 822 | * |
| 823 | * This is the entry point when the platform device system uses to |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 824 | * notify us of a new device to attach to. Allocate memory, find the |
| 825 | * resources and information passed, and map the necessary registers. |
| 826 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 827 | static int ax_probe(struct platform_device *pdev) |
| 828 | { |
| 829 | struct net_device *dev; |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 830 | struct ei_device *ei_local; |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 831 | struct ax_device *ax; |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 832 | struct resource *irq, *mem, *mem2; |
| 833 | resource_size_t mem_size, mem2_size = 0; |
Daniel Mack | 47cb035 | 2009-03-24 23:31:22 -0700 | [diff] [blame] | 834 | int ret = 0; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 835 | |
| 836 | dev = ax__alloc_ei_netdev(sizeof(struct ax_device)); |
| 837 | if (dev == NULL) |
| 838 | return -ENOMEM; |
| 839 | |
| 840 | /* ok, let's setup our device */ |
Marc Kleine-Budde | 85ac616 | 2011-02-20 17:46:18 +0100 | [diff] [blame] | 841 | SET_NETDEV_DEV(dev, &pdev->dev); |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 842 | ei_local = netdev_priv(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 843 | ax = to_ax_dev(dev); |
| 844 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 845 | spin_lock_init(&ax->mii_lock); |
| 846 | |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 847 | ax->plat = pdev->dev.platform_data; |
| 848 | platform_set_drvdata(pdev, dev); |
| 849 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 850 | ei_local->rxcr_base = ax->plat->rcr_val; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 851 | |
| 852 | /* find the platform resources */ |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 853 | irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
| 854 | if (!irq) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 855 | dev_err(&pdev->dev, "no IRQ specified\n"); |
Julia Lawall | 13eea19 | 2010-10-18 04:11:14 +0000 | [diff] [blame] | 856 | ret = -ENXIO; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 857 | goto exit_mem; |
| 858 | } |
Daniel Mack | 47cb035 | 2009-03-24 23:31:22 -0700 | [diff] [blame] | 859 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 860 | dev->irq = irq->start; |
| 861 | ax->irqflags = irq->flags & IRQF_TRIGGER_MASK; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 862 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 863 | mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 864 | if (!mem) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 865 | dev_err(&pdev->dev, "no MEM specified\n"); |
| 866 | ret = -ENXIO; |
| 867 | goto exit_mem; |
| 868 | } |
| 869 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 870 | mem_size = resource_size(mem); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 871 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 872 | /* |
| 873 | * setup the register offsets from either the platform data or |
| 874 | * by using the size of the resource provided |
| 875 | */ |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 876 | if (ax->plat->reg_offsets) |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 877 | ei_local->reg_offset = ax->plat->reg_offsets; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 878 | else { |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 879 | ei_local->reg_offset = ax->reg_offsets; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 880 | for (ret = 0; ret < 0x18; ret++) |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 881 | ax->reg_offsets[ret] = (mem_size / 0x18) * ret; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 882 | } |
| 883 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 884 | if (!request_mem_region(mem->start, mem_size, pdev->name)) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 885 | dev_err(&pdev->dev, "cannot reserve registers\n"); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 886 | ret = -ENXIO; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 887 | goto exit_mem; |
| 888 | } |
| 889 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 890 | ei_local->mem = ioremap(mem->start, mem_size); |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 891 | dev->base_addr = (unsigned long)ei_local->mem; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 892 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 893 | if (ei_local->mem == NULL) { |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 894 | dev_err(&pdev->dev, "Cannot ioremap area %pR\n", mem); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 895 | |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 896 | ret = -ENXIO; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 897 | goto exit_req; |
| 898 | } |
| 899 | |
| 900 | /* look for reset area */ |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 901 | mem2 = platform_get_resource(pdev, IORESOURCE_MEM, 1); |
| 902 | if (!mem2) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 903 | if (!ax->plat->reg_offsets) { |
| 904 | for (ret = 0; ret < 0x20; ret++) |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 905 | ax->reg_offsets[ret] = (mem_size / 0x20) * ret; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 906 | } |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 907 | } else { |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 908 | mem2_size = resource_size(mem2); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 909 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 910 | if (!request_mem_region(mem2->start, mem2_size, pdev->name)) { |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 911 | dev_err(&pdev->dev, "cannot reserve registers\n"); |
| 912 | ret = -ENXIO; |
| 913 | goto exit_mem1; |
| 914 | } |
| 915 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 916 | ax->map2 = ioremap(mem2->start, mem2_size); |
| 917 | if (!ax->map2) { |
Joe Perches | 898eb71 | 2007-10-18 03:06:30 -0700 | [diff] [blame] | 918 | dev_err(&pdev->dev, "cannot map reset register\n"); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 919 | ret = -ENXIO; |
| 920 | goto exit_mem2; |
| 921 | } |
| 922 | |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 923 | ei_local->reg_offset[0x1f] = ax->map2 - ei_local->mem; |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 924 | } |
| 925 | |
| 926 | /* got resources, now initialise and register device */ |
Marc Kleine-Budde | 1cbece3 | 2011-02-19 23:07:09 +0100 | [diff] [blame] | 927 | ret = ax_init_dev(dev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 928 | if (!ret) |
| 929 | return 0; |
| 930 | |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 931 | if (!ax->map2) |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 932 | goto exit_mem1; |
| 933 | |
| 934 | iounmap(ax->map2); |
| 935 | |
| 936 | exit_mem2: |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 937 | release_mem_region(mem2->start, mem2_size); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 938 | |
| 939 | exit_mem1: |
Marc Kleine-Budde | ea5a43d | 2011-02-19 22:08:33 +0100 | [diff] [blame] | 940 | iounmap(ei_local->mem); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 941 | |
| 942 | exit_req: |
Marc Kleine-Budde | c9218c3 | 2011-02-21 11:24:39 +0100 | [diff] [blame^] | 943 | release_mem_region(mem->start, mem_size); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 944 | |
| 945 | exit_mem: |
| 946 | free_netdev(dev); |
| 947 | |
| 948 | return ret; |
| 949 | } |
| 950 | |
| 951 | /* suspend and resume */ |
| 952 | |
| 953 | #ifdef CONFIG_PM |
| 954 | static int ax_suspend(struct platform_device *dev, pm_message_t state) |
| 955 | { |
| 956 | struct net_device *ndev = platform_get_drvdata(dev); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 957 | struct ax_device *ax = to_ax_dev(ndev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 958 | |
| 959 | ax->resume_open = ax->running; |
| 960 | |
| 961 | netif_device_detach(ndev); |
| 962 | ax_close(ndev); |
| 963 | |
| 964 | return 0; |
| 965 | } |
| 966 | |
| 967 | static int ax_resume(struct platform_device *pdev) |
| 968 | { |
| 969 | struct net_device *ndev = platform_get_drvdata(pdev); |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 970 | struct ax_device *ax = to_ax_dev(ndev); |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 971 | |
| 972 | ax_initial_setup(ndev, netdev_priv(ndev)); |
| 973 | ax_NS8390_init(ndev, ax->resume_open); |
| 974 | netif_device_attach(ndev); |
| 975 | |
| 976 | if (ax->resume_open) |
| 977 | ax_open(ndev); |
| 978 | |
| 979 | return 0; |
| 980 | } |
| 981 | |
| 982 | #else |
| 983 | #define ax_suspend NULL |
Marc Kleine-Budde | 9f07242 | 2011-02-19 17:07:40 +0100 | [diff] [blame] | 984 | #define ax_resume NULL |
Ben Dooks | 825a2ff | 2007-07-03 16:53:09 +0100 | [diff] [blame] | 985 | #endif |
| 986 | |
| 987 | static struct platform_driver axdrv = { |
| 988 | .driver = { |
| 989 | .name = "ax88796", |
| 990 | .owner = THIS_MODULE, |
| 991 | }, |
| 992 | .probe = ax_probe, |
| 993 | .remove = ax_remove, |
| 994 | .suspend = ax_suspend, |
| 995 | .resume = ax_resume, |
| 996 | }; |
| 997 | |
| 998 | static int __init axdrv_init(void) |
| 999 | { |
| 1000 | return platform_driver_register(&axdrv); |
| 1001 | } |
| 1002 | |
| 1003 | static void __exit axdrv_exit(void) |
| 1004 | { |
| 1005 | platform_driver_unregister(&axdrv); |
| 1006 | } |
| 1007 | |
| 1008 | module_init(axdrv_init); |
| 1009 | module_exit(axdrv_exit); |
| 1010 | |
| 1011 | MODULE_DESCRIPTION("AX88796 10/100 Ethernet platform driver"); |
| 1012 | MODULE_AUTHOR("Ben Dooks, <ben@simtec.co.uk>"); |
| 1013 | MODULE_LICENSE("GPL v2"); |
Kay Sievers | 72abb46 | 2008-04-18 13:50:44 -0700 | [diff] [blame] | 1014 | MODULE_ALIAS("platform:ax88796"); |