diff options
Diffstat (limited to 'ANDROID_3.4.5/drivers/net/ethernet/seeq')
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/Kconfig | 47 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/Makefile | 7 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.c | 917 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.h | 176 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.c | 751 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.h | 156 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.c | 841 | ||||
| -rw-r--r-- | ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.h | 103 |
8 files changed, 0 insertions, 2998 deletions
diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/Kconfig b/ANDROID_3.4.5/drivers/net/ethernet/seeq/Kconfig deleted file mode 100644 index 29f18533..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/Kconfig +++ /dev/null @@ -1,47 +0,0 @@ -# -# SEEQ device configuration -# - -config NET_VENDOR_SEEQ - bool "SEEQ devices" - default y - depends on HAS_IOMEM - depends on (ARM && ARCH_ACORN) || SGI_HAS_SEEQ || EXPERIMENTAL - ---help--- - If you have a network (Ethernet) card belonging to this class, say Y - and read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - Note that the answer to this question doesn't directly affect the - kernel: saying N will just cause the configurator to skip all - the questions about SEEQ devices. If you say Y, you will be asked for - your specific card in the following questions. - -if NET_VENDOR_SEEQ - -config ARM_ETHER3 - tristate "Acorn/ANT Ether3 support" - depends on ARM && ARCH_ACORN - ---help--- - If you have an Acorn system with one of these network cards, you - should say Y to this option if you wish to use it with Linux. - -config SEEQ8005 - tristate "SEEQ8005 support (EXPERIMENTAL)" - depends on EXPERIMENTAL - ---help--- - This is a driver for the SEEQ 8005 network (Ethernet) card. If this - is for you, read the Ethernet-HOWTO, available from - <http://www.tldp.org/docs.html#howto>. - - To compile this driver as a module, choose M here. The module - will be called seeq8005. - -config SGISEEQ - tristate "SGI Seeq ethernet controller support" - depends on SGI_HAS_SEEQ - ---help--- - Say Y here if you have an Seeq based Ethernet network card. This is - used in many Silicon Graphics machines. - -endif # NET_VENDOR_SEEQ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/Makefile b/ANDROID_3.4.5/drivers/net/ethernet/seeq/Makefile deleted file mode 100644 index 3e258a58..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/Makefile +++ /dev/null @@ -1,7 +0,0 @@ -# -# Makefile for the SEEQ network device drivers -# - -obj-$(CONFIG_ARM_ETHER3) += ether3.o -obj-$(CONFIG_SEEQ8005) += seeq8005.o -obj-$(CONFIG_SGISEEQ) += sgiseeq.o diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.c b/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.c deleted file mode 100644 index df808ac8..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.c +++ /dev/null @@ -1,917 +0,0 @@ -/* - * linux/drivers/acorn/net/ether3.c - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * SEEQ nq8005 ethernet driver for Acorn/ANT Ether3 card - * for Acorn machines - * - * By Russell King, with some suggestions from borris@ant.co.uk - * - * Changelog: - * 1.04 RMK 29/02/1996 Won't pass packets that are from our ethernet - * address up to the higher levels - they're - * silently ignored. I/F can now be put into - * multicast mode. Receiver routine optimised. - * 1.05 RMK 30/02/1996 Now claims interrupt at open when part of - * the kernel rather than when a module. - * 1.06 RMK 02/03/1996 Various code cleanups - * 1.07 RMK 13/10/1996 Optimised interrupt routine and transmit - * routines. - * 1.08 RMK 14/10/1996 Fixed problem with too many packets, - * prevented the kernel message about dropped - * packets appearing too many times a second. - * Now does not disable all IRQs, only the IRQ - * used by this card. - * 1.09 RMK 10/11/1996 Only enables TX irq when buffer space is low, - * but we still service the TX queue if we get a - * RX interrupt. - * 1.10 RMK 15/07/1997 Fixed autoprobing of NQ8004. - * 1.11 RMK 16/11/1997 Fixed autoprobing of NQ8005A. - * 1.12 RMK 31/12/1997 Removed reference to dev_tint for Linux 2.1. - * RMK 27/06/1998 Changed asm/delay.h to linux/delay.h. - * 1.13 RMK 29/06/1998 Fixed problem with transmission of packets. - * Chip seems to have a bug in, whereby if the - * packet starts two bytes from the end of the - * buffer, it corrupts the receiver chain, and - * never updates the transmit status correctly. - * 1.14 RMK 07/01/1998 Added initial code for ETHERB addressing. - * 1.15 RMK 30/04/1999 More fixes to the transmit routine for buggy - * hardware. - * 1.16 RMK 10/02/2000 Updated for 2.3.43 - * 1.17 RMK 13/05/2000 Updated for 2.3.99-pre8 - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/slab.h> -#include <linux/string.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/device.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/bitops.h> - -#include <asm/ecard.h> -#include <asm/io.h> - -static char version[] __devinitdata = "ether3 ethernet driver (c) 1995-2000 R.M.King v1.17\n"; - -#include "ether3.h" - -static unsigned int net_debug = NET_DEBUG; - -static void ether3_setmulticastlist(struct net_device *dev); -static int ether3_rx(struct net_device *dev, unsigned int maxcnt); -static void ether3_tx(struct net_device *dev); -static int ether3_open (struct net_device *dev); -static int ether3_sendpacket (struct sk_buff *skb, struct net_device *dev); -static irqreturn_t ether3_interrupt (int irq, void *dev_id); -static int ether3_close (struct net_device *dev); -static void ether3_setmulticastlist (struct net_device *dev); -static void ether3_timeout(struct net_device *dev); - -#define BUS_16 2 -#define BUS_8 1 -#define BUS_UNKNOWN 0 - -/* --------------------------------------------------------------------------- */ - -typedef enum { - buffer_write, - buffer_read -} buffer_rw_t; - -/* - * ether3 read/write. Slow things down a bit... - * The SEEQ8005 doesn't like us writing to its registers - * too quickly. - */ -static inline void ether3_outb(int v, const void __iomem *r) -{ - writeb(v, r); - udelay(1); -} - -static inline void ether3_outw(int v, const void __iomem *r) -{ - writew(v, r); - udelay(1); -} -#define ether3_inb(r) ({ unsigned int __v = readb((r)); udelay(1); __v; }) -#define ether3_inw(r) ({ unsigned int __v = readw((r)); udelay(1); __v; }) - -static int -ether3_setbuffer(struct net_device *dev, buffer_rw_t read, int start) -{ - int timeout = 1000; - - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND); - - while ((ether3_inw(REG_STATUS) & STAT_FIFOEMPTY) == 0) { - if (!timeout--) { - printk("%s: setbuffer broken\n", dev->name); - priv(dev)->broken = 1; - return 1; - } - udelay(1); - } - - if (read == buffer_read) { - ether3_outw(start, REG_DMAADDR); - ether3_outw(priv(dev)->regs.command | CMD_FIFOREAD, REG_COMMAND); - } else { - ether3_outw(priv(dev)->regs.command | CMD_FIFOWRITE, REG_COMMAND); - ether3_outw(start, REG_DMAADDR); - } - return 0; -} - -/* - * write data to the buffer memory - */ -#define ether3_writebuffer(dev,data,length) \ - writesw(REG_BUFWIN, (data), (length) >> 1) - -#define ether3_writeword(dev,data) \ - writew((data), REG_BUFWIN) - -#define ether3_writelong(dev,data) { \ - void __iomem *reg_bufwin = REG_BUFWIN; \ - writew((data), reg_bufwin); \ - writew((data) >> 16, reg_bufwin); \ -} - -/* - * read data from the buffer memory - */ -#define ether3_readbuffer(dev,data,length) \ - readsw(REG_BUFWIN, (data), (length) >> 1) - -#define ether3_readword(dev) \ - readw(REG_BUFWIN) - -#define ether3_readlong(dev) \ - readw(REG_BUFWIN) | (readw(REG_BUFWIN) << 16) - -/* - * Switch LED off... - */ -static void ether3_ledoff(unsigned long data) -{ - struct net_device *dev = (struct net_device *)data; - ether3_outw(priv(dev)->regs.config2 |= CFG2_CTRLO, REG_CONFIG2); -} - -/* - * switch LED on... - */ -static inline void ether3_ledon(struct net_device *dev) -{ - del_timer(&priv(dev)->timer); - priv(dev)->timer.expires = jiffies + HZ / 50; /* leave on for 1/50th second */ - priv(dev)->timer.data = (unsigned long)dev; - priv(dev)->timer.function = ether3_ledoff; - add_timer(&priv(dev)->timer); - if (priv(dev)->regs.config2 & CFG2_CTRLO) - ether3_outw(priv(dev)->regs.config2 &= ~CFG2_CTRLO, REG_CONFIG2); -} - -/* - * Read the ethernet address string from the on board rom. - * This is an ascii string!!! - */ -static int __devinit -ether3_addr(char *addr, struct expansion_card *ec) -{ - struct in_chunk_dir cd; - char *s; - - if (ecard_readchunk(&cd, ec, 0xf5, 0) && (s = strchr(cd.d.string, '('))) { - int i; - for (i = 0; i<6; i++) { - addr[i] = simple_strtoul(s + 1, &s, 0x10); - if (*s != (i==5?')' : ':' )) - break; - } - if (i == 6) - return 0; - } - /* I wonder if we should even let the user continue in this case - * - no, it would be better to disable the device - */ - printk(KERN_ERR "ether3: Couldn't read a valid MAC address from card.\n"); - return -ENODEV; -} - -/* --------------------------------------------------------------------------- */ - -static int __devinit -ether3_ramtest(struct net_device *dev, unsigned char byte) -{ - unsigned char *buffer = kmalloc(RX_END, GFP_KERNEL); - int i,ret = 0; - int max_errors = 4; - int bad = -1; - - if (!buffer) - return 1; - - memset(buffer, byte, RX_END); - ether3_setbuffer(dev, buffer_write, 0); - ether3_writebuffer(dev, buffer, TX_END); - ether3_setbuffer(dev, buffer_write, RX_START); - ether3_writebuffer(dev, buffer + RX_START, RX_LEN); - memset(buffer, byte ^ 0xff, RX_END); - ether3_setbuffer(dev, buffer_read, 0); - ether3_readbuffer(dev, buffer, TX_END); - ether3_setbuffer(dev, buffer_read, RX_START); - ether3_readbuffer(dev, buffer + RX_START, RX_LEN); - - for (i = 0; i < RX_END; i++) { - if (buffer[i] != byte) { - if (max_errors > 0 && bad != buffer[i]) { - printk("%s: RAM failed with (%02X instead of %02X) at 0x%04X", - dev->name, buffer[i], byte, i); - ret = 2; - max_errors--; - bad = i; - } - } else { - if (bad != -1) { - if (bad != i - 1) - printk(" - 0x%04X\n", i - 1); - printk("\n"); - bad = -1; - } - } - } - if (bad != -1) - printk(" - 0xffff\n"); - kfree(buffer); - - return ret; -} - -/* ------------------------------------------------------------------------------- */ - -static int __devinit ether3_init_2(struct net_device *dev) -{ - int i; - - priv(dev)->regs.config1 = CFG1_RECVCOMPSTAT0|CFG1_DMABURST8; - priv(dev)->regs.config2 = CFG2_CTRLO|CFG2_RECVCRC|CFG2_ERRENCRC; - priv(dev)->regs.command = 0; - - /* - * Set up our hardware address - */ - ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1); - for (i = 0; i < 6; i++) - ether3_outb(dev->dev_addr[i], REG_BUFWIN); - - if (dev->flags & IFF_PROMISC) - priv(dev)->regs.config1 |= CFG1_RECVPROMISC; - else if (dev->flags & IFF_MULTICAST) - priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI; - else - priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD; - - /* - * There is a problem with the NQ8005 in that it occasionally loses the - * last two bytes. To get round this problem, we receive the CRC as - * well. That way, if we do lose the last two, then it doesn't matter. - */ - ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1); - ether3_outw((TX_END>>8) - 1, REG_BUFWIN); - ether3_outw(priv(dev)->rx_head, REG_RECVPTR); - ether3_outw(0, REG_TRANSMITPTR); - ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND); - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - ether3_outw(priv(dev)->regs.command, REG_COMMAND); - - i = ether3_ramtest(dev, 0x5A); - if(i) - return i; - i = ether3_ramtest(dev, 0x1E); - if(i) - return i; - - ether3_setbuffer(dev, buffer_write, 0); - ether3_writelong(dev, 0); - return 0; -} - -static void -ether3_init_for_open(struct net_device *dev) -{ - int i; - - /* Reset the chip */ - ether3_outw(CFG2_RESET, REG_CONFIG2); - udelay(4); - - priv(dev)->regs.command = 0; - ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND); - while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON)) - barrier(); - - ether3_outw(priv(dev)->regs.config1 | CFG1_BUFSELSTAT0, REG_CONFIG1); - for (i = 0; i < 6; i++) - ether3_outb(dev->dev_addr[i], REG_BUFWIN); - - priv(dev)->tx_head = 0; - priv(dev)->tx_tail = 0; - priv(dev)->regs.config2 |= CFG2_CTRLO; - priv(dev)->rx_head = RX_START; - - ether3_outw(priv(dev)->regs.config1 | CFG1_TRANSEND, REG_CONFIG1); - ether3_outw((TX_END>>8) - 1, REG_BUFWIN); - ether3_outw(priv(dev)->rx_head, REG_RECVPTR); - ether3_outw(priv(dev)->rx_head >> 8, REG_RECVEND); - ether3_outw(0, REG_TRANSMITPTR); - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); - - ether3_setbuffer(dev, buffer_write, 0); - ether3_writelong(dev, 0); - - priv(dev)->regs.command = CMD_ENINTRX | CMD_ENINTTX; - ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND); -} - -static inline int -ether3_probe_bus_8(struct net_device *dev, int val) -{ - int write_low, write_high, read_low, read_high; - - write_low = val & 255; - write_high = val >> 8; - - printk(KERN_DEBUG "ether3_probe: write8 [%02X:%02X]", write_high, write_low); - - ether3_outb(write_low, REG_RECVPTR); - ether3_outb(write_high, REG_RECVPTR + 4); - - read_low = ether3_inb(REG_RECVPTR); - read_high = ether3_inb(REG_RECVPTR + 4); - - printk(", read8 [%02X:%02X]\n", read_high, read_low); - - return read_low == write_low && read_high == write_high; -} - -static inline int -ether3_probe_bus_16(struct net_device *dev, int val) -{ - int read_val; - - ether3_outw(val, REG_RECVPTR); - read_val = ether3_inw(REG_RECVPTR); - - printk(KERN_DEBUG "ether3_probe: write16 [%04X], read16 [%04X]\n", val, read_val); - - return read_val == val; -} - -/* - * Open/initialize the board. This is called (in the current kernel) - * sometime after booting when the 'ifconfig' program is run. - * - * This routine should set everything up anew at each open, even - * registers that "should" only need to be set once at boot, so that - * there is non-reboot way to recover if something goes wrong. - */ -static int -ether3_open(struct net_device *dev) -{ - if (!is_valid_ether_addr(dev->dev_addr)) { - printk(KERN_WARNING "%s: invalid ethernet MAC address\n", - dev->name); - return -EINVAL; - } - - if (request_irq(dev->irq, ether3_interrupt, 0, "ether3", dev)) - return -EAGAIN; - - ether3_init_for_open(dev); - - netif_start_queue(dev); - - return 0; -} - -/* - * The inverse routine to ether3_open(). - */ -static int -ether3_close(struct net_device *dev) -{ - netif_stop_queue(dev); - - disable_irq(dev->irq); - - ether3_outw(CMD_RXOFF|CMD_TXOFF, REG_COMMAND); - priv(dev)->regs.command = 0; - while (ether3_inw(REG_STATUS) & (STAT_RXON|STAT_TXON)) - barrier(); - ether3_outb(0x80, REG_CONFIG2 + 4); - ether3_outw(0, REG_COMMAND); - - free_irq(dev->irq, dev); - - return 0; -} - -/* - * Set or clear promiscuous/multicast mode filter for this adaptor. - * - * We don't attempt any packet filtering. The card may have a SEEQ 8004 - * in which does not have the other ethernet address registers present... - */ -static void ether3_setmulticastlist(struct net_device *dev) -{ - priv(dev)->regs.config1 &= ~CFG1_RECVPROMISC; - - if (dev->flags & IFF_PROMISC) { - /* promiscuous mode */ - priv(dev)->regs.config1 |= CFG1_RECVPROMISC; - } else if (dev->flags & IFF_ALLMULTI || !netdev_mc_empty(dev)) { - priv(dev)->regs.config1 |= CFG1_RECVSPECBRMULTI; - } else - priv(dev)->regs.config1 |= CFG1_RECVSPECBROAD; - - ether3_outw(priv(dev)->regs.config1 | CFG1_LOCBUFMEM, REG_CONFIG1); -} - -static void ether3_timeout(struct net_device *dev) -{ - unsigned long flags; - - del_timer(&priv(dev)->timer); - - local_irq_save(flags); - printk(KERN_ERR "%s: transmit timed out, network cable problem?\n", dev->name); - printk(KERN_ERR "%s: state: { status=%04X cfg1=%04X cfg2=%04X }\n", dev->name, - ether3_inw(REG_STATUS), ether3_inw(REG_CONFIG1), ether3_inw(REG_CONFIG2)); - printk(KERN_ERR "%s: { rpr=%04X rea=%04X tpr=%04X }\n", dev->name, - ether3_inw(REG_RECVPTR), ether3_inw(REG_RECVEND), ether3_inw(REG_TRANSMITPTR)); - printk(KERN_ERR "%s: tx head=%X tx tail=%X\n", dev->name, - priv(dev)->tx_head, priv(dev)->tx_tail); - ether3_setbuffer(dev, buffer_read, priv(dev)->tx_tail); - printk(KERN_ERR "%s: packet status = %08X\n", dev->name, ether3_readlong(dev)); - local_irq_restore(flags); - - priv(dev)->regs.config2 |= CFG2_CTRLO; - dev->stats.tx_errors += 1; - ether3_outw(priv(dev)->regs.config2, REG_CONFIG2); - priv(dev)->tx_head = priv(dev)->tx_tail = 0; - - netif_wake_queue(dev); -} - -/* - * Transmit a packet - */ -static int -ether3_sendpacket(struct sk_buff *skb, struct net_device *dev) -{ - unsigned long flags; - unsigned int length = ETH_ZLEN < skb->len ? skb->len : ETH_ZLEN; - unsigned int ptr, next_ptr; - - if (priv(dev)->broken) { - dev_kfree_skb(skb); - dev->stats.tx_dropped++; - netif_start_queue(dev); - return NETDEV_TX_OK; - } - - length = (length + 1) & ~1; - if (length != skb->len) { - if (skb_padto(skb, length)) - goto out; - } - - next_ptr = (priv(dev)->tx_head + 1) & 15; - - local_irq_save(flags); - - if (priv(dev)->tx_tail == next_ptr) { - local_irq_restore(flags); - return NETDEV_TX_BUSY; /* unable to queue */ - } - - ptr = 0x600 * priv(dev)->tx_head; - priv(dev)->tx_head = next_ptr; - next_ptr *= 0x600; - -#define TXHDR_FLAGS (TXHDR_TRANSMIT|TXHDR_CHAINCONTINUE|TXHDR_DATAFOLLOWS|TXHDR_ENSUCCESS) - - ether3_setbuffer(dev, buffer_write, next_ptr); - ether3_writelong(dev, 0); - ether3_setbuffer(dev, buffer_write, ptr); - ether3_writelong(dev, 0); - ether3_writebuffer(dev, skb->data, length); - ether3_writeword(dev, htons(next_ptr)); - ether3_writeword(dev, TXHDR_CHAINCONTINUE >> 16); - ether3_setbuffer(dev, buffer_write, ptr); - ether3_writeword(dev, htons((ptr + length + 4))); - ether3_writeword(dev, TXHDR_FLAGS >> 16); - ether3_ledon(dev); - - if (!(ether3_inw(REG_STATUS) & STAT_TXON)) { - ether3_outw(ptr, REG_TRANSMITPTR); - ether3_outw(priv(dev)->regs.command | CMD_TXON, REG_COMMAND); - } - - next_ptr = (priv(dev)->tx_head + 1) & 15; - local_irq_restore(flags); - - dev_kfree_skb(skb); - - if (priv(dev)->tx_tail == next_ptr) - netif_stop_queue(dev); - - out: - return NETDEV_TX_OK; -} - -static irqreturn_t -ether3_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *)dev_id; - unsigned int status, handled = IRQ_NONE; - -#if NET_DEBUG > 1 - if(net_debug & DEBUG_INT) - printk("eth3irq: %d ", irq); -#endif - - status = ether3_inw(REG_STATUS); - - if (status & STAT_INTRX) { - ether3_outw(CMD_ACKINTRX | priv(dev)->regs.command, REG_COMMAND); - ether3_rx(dev, 12); - handled = IRQ_HANDLED; - } - - if (status & STAT_INTTX) { - ether3_outw(CMD_ACKINTTX | priv(dev)->regs.command, REG_COMMAND); - ether3_tx(dev); - handled = IRQ_HANDLED; - } - -#if NET_DEBUG > 1 - if(net_debug & DEBUG_INT) - printk("done\n"); -#endif - return handled; -} - -/* - * If we have a good packet(s), get it/them out of the buffers. - */ -static int ether3_rx(struct net_device *dev, unsigned int maxcnt) -{ - unsigned int next_ptr = priv(dev)->rx_head, received = 0; - - ether3_ledon(dev); - - do { - unsigned int this_ptr, status; - unsigned char addrs[16]; - - /* - * read the first 16 bytes from the buffer. - * This contains the status bytes etc and ethernet addresses, - * and we also check the source ethernet address to see if - * it originated from us. - */ - { - unsigned int temp_ptr; - ether3_setbuffer(dev, buffer_read, next_ptr); - temp_ptr = ether3_readword(dev); - status = ether3_readword(dev); - if ((status & (RXSTAT_DONE | RXHDR_CHAINCONTINUE | RXHDR_RECEIVE)) != - (RXSTAT_DONE | RXHDR_CHAINCONTINUE) || !temp_ptr) - break; - - this_ptr = next_ptr + 4; - next_ptr = ntohs(temp_ptr); - } - ether3_setbuffer(dev, buffer_read, this_ptr); - ether3_readbuffer(dev, addrs+2, 12); - -if (next_ptr < RX_START || next_ptr >= RX_END) { - int i; - printk("%s: bad next pointer @%04X: ", dev->name, priv(dev)->rx_head); - printk("%02X %02X %02X %02X ", next_ptr >> 8, next_ptr & 255, status & 255, status >> 8); - for (i = 2; i < 14; i++) - printk("%02X ", addrs[i]); - printk("\n"); - next_ptr = priv(dev)->rx_head; - break; -} - /* - * ignore our own packets... - */ - if (!(*(unsigned long *)&dev->dev_addr[0] ^ *(unsigned long *)&addrs[2+6]) && - !(*(unsigned short *)&dev->dev_addr[4] ^ *(unsigned short *)&addrs[2+10])) { - maxcnt ++; /* compensate for loopedback packet */ - ether3_outw(next_ptr >> 8, REG_RECVEND); - } else - if (!(status & (RXSTAT_OVERSIZE|RXSTAT_CRCERROR|RXSTAT_DRIBBLEERROR|RXSTAT_SHORTPACKET))) { - unsigned int length = next_ptr - this_ptr; - struct sk_buff *skb; - - if (next_ptr <= this_ptr) - length += RX_END - RX_START; - - skb = netdev_alloc_skb(dev, length + 2); - if (skb) { - unsigned char *buf; - - skb_reserve(skb, 2); - buf = skb_put(skb, length); - ether3_readbuffer(dev, buf + 12, length - 12); - ether3_outw(next_ptr >> 8, REG_RECVEND); - *(unsigned short *)(buf + 0) = *(unsigned short *)(addrs + 2); - *(unsigned long *)(buf + 2) = *(unsigned long *)(addrs + 4); - *(unsigned long *)(buf + 6) = *(unsigned long *)(addrs + 8); - *(unsigned short *)(buf + 10) = *(unsigned short *)(addrs + 12); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - received ++; - } else - goto dropping; - } else { - struct net_device_stats *stats = &dev->stats; - ether3_outw(next_ptr >> 8, REG_RECVEND); - if (status & RXSTAT_OVERSIZE) stats->rx_over_errors ++; - if (status & RXSTAT_CRCERROR) stats->rx_crc_errors ++; - if (status & RXSTAT_DRIBBLEERROR) stats->rx_fifo_errors ++; - if (status & RXSTAT_SHORTPACKET) stats->rx_length_errors ++; - stats->rx_errors++; - } - } - while (-- maxcnt); - -done: - dev->stats.rx_packets += received; - priv(dev)->rx_head = next_ptr; - /* - * If rx went off line, then that means that the buffer may be full. We - * have dropped at least one packet. - */ - if (!(ether3_inw(REG_STATUS) & STAT_RXON)) { - dev->stats.rx_dropped++; - ether3_outw(next_ptr, REG_RECVPTR); - ether3_outw(priv(dev)->regs.command | CMD_RXON, REG_COMMAND); - } - - return maxcnt; - -dropping:{ - static unsigned long last_warned; - - ether3_outw(next_ptr >> 8, REG_RECVEND); - /* - * Don't print this message too many times... - */ - if (time_after(jiffies, last_warned + 10 * HZ)) { - last_warned = jiffies; - printk("%s: memory squeeze, dropping packet.\n", dev->name); - } - dev->stats.rx_dropped++; - goto done; - } -} - -/* - * Update stats for the transmitted packet(s) - */ -static void ether3_tx(struct net_device *dev) -{ - unsigned int tx_tail = priv(dev)->tx_tail; - int max_work = 14; - - do { - unsigned long status; - - /* - * Read the packet header - */ - ether3_setbuffer(dev, buffer_read, tx_tail * 0x600); - status = ether3_readlong(dev); - - /* - * Check to see if this packet has been transmitted - */ - if ((status & (TXSTAT_DONE | TXHDR_TRANSMIT)) != - (TXSTAT_DONE | TXHDR_TRANSMIT)) - break; - - /* - * Update errors - */ - if (!(status & (TXSTAT_BABBLED | TXSTAT_16COLLISIONS))) - dev->stats.tx_packets++; - else { - dev->stats.tx_errors++; - if (status & TXSTAT_16COLLISIONS) - dev->stats.collisions += 16; - if (status & TXSTAT_BABBLED) - dev->stats.tx_fifo_errors++; - } - - tx_tail = (tx_tail + 1) & 15; - } while (--max_work); - - if (priv(dev)->tx_tail != tx_tail) { - priv(dev)->tx_tail = tx_tail; - netif_wake_queue(dev); - } -} - -static void __devinit ether3_banner(void) -{ - static unsigned version_printed = 0; - - if (net_debug && version_printed++ == 0) - printk(KERN_INFO "%s", version); -} - -static const struct net_device_ops ether3_netdev_ops = { - .ndo_open = ether3_open, - .ndo_stop = ether3_close, - .ndo_start_xmit = ether3_sendpacket, - .ndo_set_rx_mode = ether3_setmulticastlist, - .ndo_tx_timeout = ether3_timeout, - .ndo_validate_addr = eth_validate_addr, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, -}; - -static int __devinit -ether3_probe(struct expansion_card *ec, const struct ecard_id *id) -{ - const struct ether3_data *data = id->data; - struct net_device *dev; - int bus_type, ret; - - ether3_banner(); - - ret = ecard_request_resources(ec); - if (ret) - goto out; - - dev = alloc_etherdev(sizeof(struct dev_priv)); - if (!dev) { - ret = -ENOMEM; - goto release; - } - - SET_NETDEV_DEV(dev, &ec->dev); - - priv(dev)->base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); - if (!priv(dev)->base) { - ret = -ENOMEM; - goto free; - } - - ec->irqaddr = priv(dev)->base + data->base_offset; - ec->irqmask = 0xf0; - - priv(dev)->seeq = priv(dev)->base + data->base_offset; - dev->irq = ec->irq; - - ether3_addr(dev->dev_addr, ec); - - init_timer(&priv(dev)->timer); - - /* Reset card... - */ - ether3_outb(0x80, REG_CONFIG2 + 4); - bus_type = BUS_UNKNOWN; - udelay(4); - - /* Test using Receive Pointer (16-bit register) to find out - * how the ether3 is connected to the bus... - */ - if (ether3_probe_bus_8(dev, 0x100) && - ether3_probe_bus_8(dev, 0x201)) - bus_type = BUS_8; - - if (bus_type == BUS_UNKNOWN && - ether3_probe_bus_16(dev, 0x101) && - ether3_probe_bus_16(dev, 0x201)) - bus_type = BUS_16; - - switch (bus_type) { - case BUS_UNKNOWN: - printk(KERN_ERR "%s: unable to identify bus width\n", dev->name); - ret = -ENODEV; - goto free; - - case BUS_8: - printk(KERN_ERR "%s: %s found, but is an unsupported " - "8-bit card\n", dev->name, data->name); - ret = -ENODEV; - goto free; - - default: - break; - } - - if (ether3_init_2(dev)) { - ret = -ENODEV; - goto free; - } - - dev->netdev_ops = ðer3_netdev_ops; - dev->watchdog_timeo = 5 * HZ / 100; - - ret = register_netdev(dev); - if (ret) - goto free; - - printk("%s: %s in slot %d, %pM\n", - dev->name, data->name, ec->slot_no, dev->dev_addr); - - ecard_set_drvdata(ec, dev); - return 0; - - free: - free_netdev(dev); - release: - ecard_release_resources(ec); - out: - return ret; -} - -static void __devexit ether3_remove(struct expansion_card *ec) -{ - struct net_device *dev = ecard_get_drvdata(ec); - - ecard_set_drvdata(ec, NULL); - - unregister_netdev(dev); - free_netdev(dev); - ecard_release_resources(ec); -} - -static struct ether3_data ether3 = { - .name = "ether3", - .base_offset = 0, -}; - -static struct ether3_data etherb = { - .name = "etherb", - .base_offset = 0x800, -}; - -static const struct ecard_id ether3_ids[] = { - { MANU_ANT2, PROD_ANT_ETHER3, ðer3 }, - { MANU_ANT, PROD_ANT_ETHER3, ðer3 }, - { MANU_ANT, PROD_ANT_ETHERB, ðerb }, - { 0xffff, 0xffff } -}; - -static struct ecard_driver ether3_driver = { - .probe = ether3_probe, - .remove = __devexit_p(ether3_remove), - .id_table = ether3_ids, - .drv = { - .name = "ether3", - }, -}; - -static int __init ether3_init(void) -{ - return ecard_register_driver(ðer3_driver); -} - -static void __exit ether3_exit(void) -{ - ecard_remove_driver(ðer3_driver); -} - -module_init(ether3_init); -module_exit(ether3_exit); - -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.h b/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.h deleted file mode 100644 index 2db63b08..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/ether3.h +++ /dev/null @@ -1,176 +0,0 @@ -/* - * linux/drivers/acorn/net/ether3.h - * - * Copyright (C) 1995-2000 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * network driver for Acorn/ANT Ether3 cards - */ - -#ifndef _LINUX_ether3_H -#define _LINUX_ether3_H - -/* use 0 for production, 1 for verification, >2 for debug. debug flags: */ -#define DEBUG_TX 2 -#define DEBUG_RX 4 -#define DEBUG_INT 8 -#define DEBUG_IC 16 -#ifndef NET_DEBUG -#define NET_DEBUG 0 -#endif - -#define priv(dev) ((struct dev_priv *)netdev_priv(dev)) - -/* Command register definitions & bits */ -#define REG_COMMAND (priv(dev)->seeq + 0x0000) -#define CMD_ENINTDMA 0x0001 -#define CMD_ENINTRX 0x0002 -#define CMD_ENINTTX 0x0004 -#define CMD_ENINTBUFWIN 0x0008 -#define CMD_ACKINTDMA 0x0010 -#define CMD_ACKINTRX 0x0020 -#define CMD_ACKINTTX 0x0040 -#define CMD_ACKINTBUFWIN 0x0080 -#define CMD_DMAON 0x0100 -#define CMD_RXON 0x0200 -#define CMD_TXON 0x0400 -#define CMD_DMAOFF 0x0800 -#define CMD_RXOFF 0x1000 -#define CMD_TXOFF 0x2000 -#define CMD_FIFOREAD 0x4000 -#define CMD_FIFOWRITE 0x8000 - -/* status register */ -#define REG_STATUS (priv(dev)->seeq + 0x0000) -#define STAT_ENINTSTAT 0x0001 -#define STAT_ENINTRX 0x0002 -#define STAT_ENINTTX 0x0004 -#define STAT_ENINTBUFWIN 0x0008 -#define STAT_INTDMA 0x0010 -#define STAT_INTRX 0x0020 -#define STAT_INTTX 0x0040 -#define STAT_INTBUFWIN 0x0080 -#define STAT_DMAON 0x0100 -#define STAT_RXON 0x0200 -#define STAT_TXON 0x0400 -#define STAT_FIFOFULL 0x2000 -#define STAT_FIFOEMPTY 0x4000 -#define STAT_FIFODIR 0x8000 - -/* configuration register 1 */ -#define REG_CONFIG1 (priv(dev)->seeq + 0x0040) -#define CFG1_BUFSELSTAT0 0x0000 -#define CFG1_BUFSELSTAT1 0x0001 -#define CFG1_BUFSELSTAT2 0x0002 -#define CFG1_BUFSELSTAT3 0x0003 -#define CFG1_BUFSELSTAT4 0x0004 -#define CFG1_BUFSELSTAT5 0x0005 -#define CFG1_ADDRPROM 0x0006 -#define CFG1_TRANSEND 0x0007 -#define CFG1_LOCBUFMEM 0x0008 -#define CFG1_INTVECTOR 0x0009 -#define CFG1_RECVSPECONLY 0x0000 -#define CFG1_RECVSPECBROAD 0x4000 -#define CFG1_RECVSPECBRMULTI 0x8000 -#define CFG1_RECVPROMISC 0xC000 - -/* The following aren't in 8004 */ -#define CFG1_DMABURSTCONT 0x0000 -#define CFG1_DMABURST800NS 0x0010 -#define CFG1_DMABURST1600NS 0x0020 -#define CFG1_DMABURST3200NS 0x0030 -#define CFG1_DMABURST1 0x0000 -#define CFG1_DMABURST4 0x0040 -#define CFG1_DMABURST8 0x0080 -#define CFG1_DMABURST16 0x00C0 -#define CFG1_RECVCOMPSTAT0 0x0100 -#define CFG1_RECVCOMPSTAT1 0x0200 -#define CFG1_RECVCOMPSTAT2 0x0400 -#define CFG1_RECVCOMPSTAT3 0x0800 -#define CFG1_RECVCOMPSTAT4 0x1000 -#define CFG1_RECVCOMPSTAT5 0x2000 - -/* configuration register 2 */ -#define REG_CONFIG2 (priv(dev)->seeq + 0x0080) -#define CFG2_BYTESWAP 0x0001 -#define CFG2_ERRENCRC 0x0008 -#define CFG2_ERRENDRIBBLE 0x0010 -#define CFG2_ERRSHORTFRAME 0x0020 -#define CFG2_SLOTSELECT 0x0040 -#define CFG2_PREAMSELECT 0x0080 -#define CFG2_ADDRLENGTH 0x0100 -#define CFG2_RECVCRC 0x0200 -#define CFG2_XMITNOCRC 0x0400 -#define CFG2_LOOPBACK 0x0800 -#define CFG2_CTRLO 0x1000 -#define CFG2_RESET 0x8000 - -#define REG_RECVEND (priv(dev)->seeq + 0x00c0) - -#define REG_BUFWIN (priv(dev)->seeq + 0x0100) - -#define REG_RECVPTR (priv(dev)->seeq + 0x0140) - -#define REG_TRANSMITPTR (priv(dev)->seeq + 0x0180) - -#define REG_DMAADDR (priv(dev)->seeq + 0x01c0) - -/* - * Cards transmit/receive headers - */ -#define TX_NEXT (0xffff) -#define TXHDR_ENBABBLEINT (1 << 16) -#define TXHDR_ENCOLLISIONINT (1 << 17) -#define TXHDR_EN16COLLISION (1 << 18) -#define TXHDR_ENSUCCESS (1 << 19) -#define TXHDR_DATAFOLLOWS (1 << 21) -#define TXHDR_CHAINCONTINUE (1 << 22) -#define TXHDR_TRANSMIT (1 << 23) -#define TXSTAT_BABBLED (1 << 24) -#define TXSTAT_COLLISION (1 << 25) -#define TXSTAT_16COLLISIONS (1 << 26) -#define TXSTAT_DONE (1 << 31) - -#define RX_NEXT (0xffff) -#define RXHDR_CHAINCONTINUE (1 << 6) -#define RXHDR_RECEIVE (1 << 7) -#define RXSTAT_OVERSIZE (1 << 8) -#define RXSTAT_CRCERROR (1 << 9) -#define RXSTAT_DRIBBLEERROR (1 << 10) -#define RXSTAT_SHORTPACKET (1 << 11) -#define RXSTAT_DONE (1 << 15) - - -#define TX_START 0x0000 -#define TX_END 0x6000 -#define RX_START 0x6000 -#define RX_LEN 0xA000 -#define RX_END 0x10000 -/* must be a power of 2 and greater than MAX_TX_BUFFERED */ -#define MAX_TXED 16 -#define MAX_TX_BUFFERED 10 - -struct dev_priv { - void __iomem *base; - void __iomem *seeq; - struct { - unsigned int command; - unsigned int config1; - unsigned int config2; - } regs; - unsigned char tx_head; /* buffer nr to insert next packet */ - unsigned char tx_tail; /* buffer nr of transmitting packet */ - unsigned int rx_head; /* address to fetch next packet from */ - struct timer_list timer; - int broken; /* 0 = ok, 1 = something went wrong */ -}; - -struct ether3_data { - const char name[8]; - unsigned long base_offset; -}; - -#endif diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.c b/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.c deleted file mode 100644 index 698edbbf..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.c +++ /dev/null @@ -1,751 +0,0 @@ -/* seeq8005.c: A network driver for linux. */ -/* - Based on skeleton.c, - Written 1993-94 by Donald Becker. - See the skeleton.c file for further copyright information. - - This software may be used and distributed according to the terms - of the GNU General Public License, incorporated herein by reference. - - The author may be reached as hamish@zot.apana.org.au - - This file is a network device driver for the SEEQ 8005 chipset and - the Linux operating system. - -*/ - -static const char version[] = - "seeq8005.c:v1.00 8/07/95 Hamish Coleman (hamish@zot.apana.org.au)\n"; - -/* - Sources: - SEEQ 8005 databook - - Version history: - 1.00 Public release. cosmetic changes (no warnings now) - 0.68 Turning per- packet,interrupt debug messages off - testing for release. - 0.67 timing problems/bad buffer reads seem to be fixed now - 0.63 *!@$ protocol=eth_type_trans -- now packets flow - 0.56 Send working - 0.48 Receive working -*/ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/types.h> -#include <linux/fcntl.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/in.h> -#include <linux/string.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/errno.h> -#include <linux/netdevice.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> -#include <linux/bitops.h> -#include <linux/jiffies.h> - -#include <asm/io.h> -#include <asm/dma.h> - -#include "seeq8005.h" - -/* First, a few definitions that the brave might change. */ -/* A zero-terminated list of I/O addresses to be probed. */ -static unsigned int seeq8005_portlist[] __initdata = - { 0x300, 0x320, 0x340, 0x360, 0}; - -/* use 0 for production, 1 for verification, >2 for debug */ -#ifndef NET_DEBUG -#define NET_DEBUG 1 -#endif -static unsigned int net_debug = NET_DEBUG; - -/* Information that need to be kept for each board. */ -struct net_local { - unsigned short receive_ptr; /* What address in packet memory do we expect a recv_pkt_header? */ - long open_time; /* Useless example local info. */ -}; - -/* The station (ethernet) address prefix, used for IDing the board. */ -#define SA_ADDR0 0x00 -#define SA_ADDR1 0x80 -#define SA_ADDR2 0x4b - -/* Index to functions, as function prototypes. */ - -static int seeq8005_probe1(struct net_device *dev, int ioaddr); -static int seeq8005_open(struct net_device *dev); -static void seeq8005_timeout(struct net_device *dev); -static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb, - struct net_device *dev); -static irqreturn_t seeq8005_interrupt(int irq, void *dev_id); -static void seeq8005_rx(struct net_device *dev); -static int seeq8005_close(struct net_device *dev); -static void set_multicast_list(struct net_device *dev); - -/* Example routines you must write ;->. */ -#define tx_done(dev) (inw(SEEQ_STATUS) & SEEQSTAT_TX_ON) -static void hardware_send_packet(struct net_device *dev, char *buf, int length); -extern void seeq8005_init(struct net_device *dev, int startp); -static inline void wait_for_buffer(struct net_device *dev); - - -/* Check for a network adaptor of this type, and return '0' iff one exists. - If dev->base_addr == 0, probe all likely locations. - If dev->base_addr == 1, always return failure. - */ - -static int io = 0x320; -static int irq = 10; - -struct net_device * __init seeq8005_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(sizeof(struct net_local)); - unsigned *port; - int err = 0; - - if (!dev) - return ERR_PTR(-ENODEV); - - if (unit >= 0) { - sprintf(dev->name, "eth%d", unit); - netdev_boot_setup_check(dev); - io = dev->base_addr; - irq = dev->irq; - } - - if (io > 0x1ff) { /* Check a single specified location. */ - err = seeq8005_probe1(dev, io); - } else if (io != 0) { /* Don't probe at all. */ - err = -ENXIO; - } else { - for (port = seeq8005_portlist; *port; port++) { - if (seeq8005_probe1(dev, *port) == 0) - break; - } - if (!*port) - err = -ENODEV; - } - if (err) - goto out; - err = register_netdev(dev); - if (err) - goto out1; - return dev; -out1: - release_region(dev->base_addr, SEEQ8005_IO_EXTENT); -out: - free_netdev(dev); - return ERR_PTR(err); -} - -static const struct net_device_ops seeq8005_netdev_ops = { - .ndo_open = seeq8005_open, - .ndo_stop = seeq8005_close, - .ndo_start_xmit = seeq8005_send_packet, - .ndo_tx_timeout = seeq8005_timeout, - .ndo_set_rx_mode = set_multicast_list, - .ndo_change_mtu = eth_change_mtu, - .ndo_set_mac_address = eth_mac_addr, - .ndo_validate_addr = eth_validate_addr, -}; - -/* This is the real probe routine. Linux has a history of friendly device - probes on the ISA bus. A good device probes avoids doing writes, and - verifies that the correct device exists and functions. */ - -static int __init seeq8005_probe1(struct net_device *dev, int ioaddr) -{ - static unsigned version_printed; - int i,j; - unsigned char SA_prom[32]; - int old_cfg1; - int old_cfg2; - int old_stat; - int old_dmaar; - int old_rear; - int retval; - - if (!request_region(ioaddr, SEEQ8005_IO_EXTENT, "seeq8005")) - return -ENODEV; - - if (net_debug>1) - printk("seeq8005: probing at 0x%x\n",ioaddr); - - old_stat = inw(SEEQ_STATUS); /* read status register */ - if (old_stat == 0xffff) { - retval = -ENODEV; - goto out; /* assume that 0xffff == no device */ - } - if ( (old_stat & 0x1800) != 0x1800 ) { /* assume that unused bits are 1, as my manual says */ - if (net_debug>1) { - printk("seeq8005: reserved stat bits != 0x1800\n"); - printk(" == 0x%04x\n",old_stat); - } - retval = -ENODEV; - goto out; - } - - old_rear = inw(SEEQ_REA); - if (old_rear == 0xffff) { - outw(0,SEEQ_REA); - if (inw(SEEQ_REA) == 0xffff) { /* assume that 0xffff == no device */ - retval = -ENODEV; - goto out; - } - } else if ((old_rear & 0xff00) != 0xff00) { /* assume that unused bits are 1 */ - if (net_debug>1) { - printk("seeq8005: unused rear bits != 0xff00\n"); - printk(" == 0x%04x\n",old_rear); - } - retval = -ENODEV; - goto out; - } - - old_cfg2 = inw(SEEQ_CFG2); /* read CFG2 register */ - old_cfg1 = inw(SEEQ_CFG1); - old_dmaar = inw(SEEQ_DMAAR); - - if (net_debug>4) { - printk("seeq8005: stat = 0x%04x\n",old_stat); - printk("seeq8005: cfg1 = 0x%04x\n",old_cfg1); - printk("seeq8005: cfg2 = 0x%04x\n",old_cfg2); - printk("seeq8005: raer = 0x%04x\n",old_rear); - printk("seeq8005: dmaar= 0x%04x\n",old_dmaar); - } - - outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); /* setup for reading PROM */ - outw( 0, SEEQ_DMAAR); /* set starting PROM address */ - outw( SEEQCFG1_BUFFER_PROM, SEEQ_CFG1); /* set buffer to look at PROM */ - - - j=0; - for(i=0; i <32; i++) { - j+= SA_prom[i] = inw(SEEQ_BUFFER) & 0xff; - } - -#if 0 - /* untested because I only have the one card */ - if ( (j&0xff) != 0 ) { /* checksum appears to be 8bit = 0 */ - if (net_debug>1) { /* check this before deciding that we have a card */ - printk("seeq8005: prom sum error\n"); - } - outw( old_stat, SEEQ_STATUS); - outw( old_dmaar, SEEQ_DMAAR); - outw( old_cfg1, SEEQ_CFG1); - retval = -ENODEV; - goto out; - } -#endif - - outw( SEEQCFG2_RESET, SEEQ_CFG2); /* reset the card */ - udelay(5); - outw( SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - - if (net_debug) { - printk("seeq8005: prom sum = 0x%08x\n",j); - for(j=0; j<32; j+=16) { - printk("seeq8005: prom %02x: ",j); - for(i=0;i<16;i++) { - printk("%02x ",SA_prom[j|i]); - } - printk(" "); - for(i=0;i<16;i++) { - if ((SA_prom[j|i]>31)&&(SA_prom[j|i]<127)) { - printk("%c", SA_prom[j|i]); - } else { - printk(" "); - } - } - printk("\n"); - } - } - -#if 0 - /* - * testing the packet buffer memory doesn't work yet - * but all other buffer accesses do - * - fixing is not a priority - */ - if (net_debug>1) { /* test packet buffer memory */ - printk("seeq8005: testing packet buffer ... "); - outw( SEEQCFG1_BUFFER_BUFFER, SEEQ_CFG1); - outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - outw( 0 , SEEQ_DMAAR); - for(i=0;i<32768;i++) { - outw(0x5a5a, SEEQ_BUFFER); - } - j=jiffies+HZ; - while ( ((inw(SEEQ_STATUS) & SEEQSTAT_FIFO_EMPTY) != SEEQSTAT_FIFO_EMPTY) && time_before(jiffies, j) ) - mb(); - outw( 0 , SEEQ_DMAAR); - while ( ((inw(SEEQ_STATUS) & SEEQSTAT_WINDOW_INT) != SEEQSTAT_WINDOW_INT) && time_before(jiffies, j+HZ)) - mb(); - if ( (inw(SEEQ_STATUS) & SEEQSTAT_WINDOW_INT) == SEEQSTAT_WINDOW_INT) - outw( SEEQCMD_WINDOW_INT_ACK | (inw(SEEQ_STATUS)& SEEQCMD_INT_MASK), SEEQ_CMD); - outw( SEEQCMD_FIFO_READ | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - j=0; - for(i=0;i<32768;i++) { - if (inw(SEEQ_BUFFER) != 0x5a5a) - j++; - } - if (j) { - printk("%i\n",j); - } else { - printk("ok.\n"); - } - } -#endif - - if (net_debug && version_printed++ == 0) - printk(version); - - printk("%s: %s found at %#3x, ", dev->name, "seeq8005", ioaddr); - - /* Fill in the 'dev' fields. */ - dev->base_addr = ioaddr; - dev->irq = irq; - - /* Retrieve and print the ethernet address. */ - for (i = 0; i < 6; i++) - dev->dev_addr[i] = SA_prom[i+6]; - printk("%pM", dev->dev_addr); - - if (dev->irq == 0xff) - ; /* Do nothing: a user-level program will set it. */ - else if (dev->irq < 2) { /* "Auto-IRQ" */ - unsigned long cookie = probe_irq_on(); - - outw( SEEQCMD_RX_INT_EN | SEEQCMD_SET_RX_ON | SEEQCMD_SET_RX_OFF, SEEQ_CMD ); - - dev->irq = probe_irq_off(cookie); - - if (net_debug >= 2) - printk(" autoirq is %d\n", dev->irq); - } else if (dev->irq == 2) - /* Fixup for users that don't know that IRQ 2 is really IRQ 9, - * or don't know which one to set. - */ - dev->irq = 9; - -#if 0 - { - int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev); - if (irqval) { - printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name, - dev->irq, irqval); - retval = -EAGAIN; - goto out; - } - } -#endif - dev->netdev_ops = &seeq8005_netdev_ops; - dev->watchdog_timeo = HZ/20; - dev->flags &= ~IFF_MULTICAST; - - return 0; -out: - release_region(ioaddr, SEEQ8005_IO_EXTENT); - return retval; -} - - -/* Open/initialize the board. This is called (in the current kernel) - sometime after booting when the 'ifconfig' program is run. - - This routine should set everything up anew at each open, even - registers that "should" only need to be set once at boot, so that - there is non-reboot way to recover if something goes wrong. - */ -static int seeq8005_open(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - - { - int irqval = request_irq(dev->irq, seeq8005_interrupt, 0, "seeq8005", dev); - if (irqval) { - printk ("%s: unable to get IRQ %d (irqval=%d).\n", dev->name, - dev->irq, irqval); - return -EAGAIN; - } - } - - /* Reset the hardware here. Don't forget to set the station address. */ - seeq8005_init(dev, 1); - - lp->open_time = jiffies; - - netif_start_queue(dev); - return 0; -} - -static void seeq8005_timeout(struct net_device *dev) -{ - int ioaddr = dev->base_addr; - printk(KERN_WARNING "%s: transmit timed out, %s?\n", dev->name, - tx_done(dev) ? "IRQ conflict" : "network cable problem"); - /* Try to restart the adaptor. */ - seeq8005_init(dev, 1); - dev->trans_start = jiffies; /* prevent tx timeout */ - netif_wake_queue(dev); -} - -static netdev_tx_t seeq8005_send_packet(struct sk_buff *skb, - struct net_device *dev) -{ - short length = skb->len; - unsigned char *buf; - - if (length < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) - return NETDEV_TX_OK; - length = ETH_ZLEN; - } - buf = skb->data; - - /* Block a timer-based transmit from overlapping */ - netif_stop_queue(dev); - - hardware_send_packet(dev, buf, length); - dev->stats.tx_bytes += length; - dev_kfree_skb (skb); - /* You might need to clean up and record Tx statistics here. */ - - return NETDEV_TX_OK; -} - -/* - * wait_for_buffer - * - * This routine waits for the SEEQ chip to assert that the FIFO is ready - * by checking for a window interrupt, and then clearing it. This has to - * occur in the interrupt handler! - */ -inline void wait_for_buffer(struct net_device * dev) -{ - int ioaddr = dev->base_addr; - unsigned long tmp; - int status; - - tmp = jiffies + HZ; - while ( ( ((status=inw(SEEQ_STATUS)) & SEEQSTAT_WINDOW_INT) != SEEQSTAT_WINDOW_INT) && time_before(jiffies, tmp)) - cpu_relax(); - - if ( (status & SEEQSTAT_WINDOW_INT) == SEEQSTAT_WINDOW_INT) - outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD); -} - -/* The typical workload of the driver: - Handle the network interface interrupts. */ -static irqreturn_t seeq8005_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = dev_id; - struct net_local *lp; - int ioaddr, status, boguscount = 0; - int handled = 0; - - ioaddr = dev->base_addr; - lp = netdev_priv(dev); - - status = inw(SEEQ_STATUS); - do { - if (net_debug >2) { - printk("%s: int, status=0x%04x\n",dev->name,status); - } - - if (status & SEEQSTAT_WINDOW_INT) { - handled = 1; - outw( SEEQCMD_WINDOW_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - if (net_debug) { - printk("%s: window int!\n",dev->name); - } - } - if (status & SEEQSTAT_TX_INT) { - handled = 1; - outw( SEEQCMD_TX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - dev->stats.tx_packets++; - netif_wake_queue(dev); /* Inform upper layers. */ - } - if (status & SEEQSTAT_RX_INT) { - handled = 1; - /* Got a packet(s). */ - seeq8005_rx(dev); - } - status = inw(SEEQ_STATUS); - } while ( (++boguscount < 10) && (status & SEEQSTAT_ANY_INT)) ; - - if(net_debug>2) { - printk("%s: eoi\n",dev->name); - } - return IRQ_RETVAL(handled); -} - -/* We have a good packet(s), get it/them out of the buffers. */ -static void seeq8005_rx(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int boguscount = 10; - int pkt_hdr; - int ioaddr = dev->base_addr; - - do { - int next_packet; - int pkt_len; - int i; - int status; - - status = inw(SEEQ_STATUS); - outw( lp->receive_ptr, SEEQ_DMAAR); - outw(SEEQCMD_FIFO_READ | SEEQCMD_RX_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - wait_for_buffer(dev); - next_packet = ntohs(inw(SEEQ_BUFFER)); - pkt_hdr = inw(SEEQ_BUFFER); - - if (net_debug>2) { - printk("%s: 0x%04x recv next=0x%04x, hdr=0x%04x\n",dev->name,lp->receive_ptr,next_packet,pkt_hdr); - } - - if ((next_packet == 0) || ((pkt_hdr & SEEQPKTH_CHAIN)==0)) { /* Read all the frames? */ - return; /* Done for now */ - } - - if ((pkt_hdr & SEEQPKTS_DONE)==0) - break; - - if (next_packet < lp->receive_ptr) { - pkt_len = (next_packet + 0x10000 - ((DEFAULT_TEA+1)<<8)) - lp->receive_ptr - 4; - } else { - pkt_len = next_packet - lp->receive_ptr - 4; - } - - if (next_packet < ((DEFAULT_TEA+1)<<8)) { /* is the next_packet address sane? */ - printk("%s: recv packet ring corrupt, resetting board\n",dev->name); - seeq8005_init(dev,1); - return; - } - - lp->receive_ptr = next_packet; - - if (net_debug>2) { - printk("%s: recv len=0x%04x\n",dev->name,pkt_len); - } - - if (pkt_hdr & SEEQPKTS_ANY_ERROR) { /* There was an error. */ - dev->stats.rx_errors++; - if (pkt_hdr & SEEQPKTS_SHORT) dev->stats.rx_frame_errors++; - if (pkt_hdr & SEEQPKTS_DRIB) dev->stats.rx_frame_errors++; - if (pkt_hdr & SEEQPKTS_OVERSIZE) dev->stats.rx_over_errors++; - if (pkt_hdr & SEEQPKTS_CRC_ERR) dev->stats.rx_crc_errors++; - /* skip over this packet */ - outw( SEEQCMD_FIFO_WRITE | SEEQCMD_DMA_INT_ACK | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - outw( (lp->receive_ptr & 0xff00)>>8, SEEQ_REA); - } else { - /* Malloc up new buffer. */ - struct sk_buff *skb; - unsigned char *buf; - - skb = netdev_alloc_skb(dev, pkt_len); - if (skb == NULL) { - printk("%s: Memory squeeze, dropping packet.\n", dev->name); - dev->stats.rx_dropped++; - break; - } - skb_reserve(skb, 2); /* align data on 16 byte */ - buf = skb_put(skb,pkt_len); - - insw(SEEQ_BUFFER, buf, (pkt_len + 1) >> 1); - - if (net_debug>2) { - char * p = buf; - printk("%s: recv ",dev->name); - for(i=0;i<14;i++) { - printk("%02x ",*(p++)&0xff); - } - printk("\n"); - } - - skb->protocol=eth_type_trans(skb,dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += pkt_len; - } - } while ((--boguscount) && (pkt_hdr & SEEQPKTH_CHAIN)); - - /* If any worth-while packets have been received, netif_rx() - has done a mark_bh(NET_BH) for us and will work on them - when we get to the bottom-half routine. */ -} - -/* The inverse routine to net_open(). */ -static int seeq8005_close(struct net_device *dev) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - - lp->open_time = 0; - - netif_stop_queue(dev); - - /* Flush the Tx and disable Rx here. */ - outw( SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - - free_irq(dev->irq, dev); - - /* Update the statistics here. */ - - return 0; - -} - -/* Set or clear the multicast filter for this adaptor. - num_addrs == -1 Promiscuous mode, receive all packets - num_addrs == 0 Normal mode, clear multicast list - num_addrs > 0 Multicast mode, receive normal and MC packets, and do - best-effort filtering. - */ -static void set_multicast_list(struct net_device *dev) -{ -/* - * I _could_ do up to 6 addresses here, but won't (yet?) - */ - -#if 0 - int ioaddr = dev->base_addr; -/* - * hmm, not even sure if my matching works _anyway_ - seem to be receiving - * _everything_ . . . - */ - - if (num_addrs) { /* Enable promiscuous mode */ - outw( (inw(SEEQ_CFG1) & ~SEEQCFG1_MATCH_MASK)| SEEQCFG1_MATCH_ALL, SEEQ_CFG1); - dev->flags|=IFF_PROMISC; - } else { /* Disable promiscuous mode, use normal mode */ - outw( (inw(SEEQ_CFG1) & ~SEEQCFG1_MATCH_MASK)| SEEQCFG1_MATCH_BROAD, SEEQ_CFG1); - } -#endif -} - -void seeq8005_init(struct net_device *dev, int startp) -{ - struct net_local *lp = netdev_priv(dev); - int ioaddr = dev->base_addr; - int i; - - outw(SEEQCFG2_RESET, SEEQ_CFG2); /* reset device */ - udelay(5); - - outw( SEEQCMD_FIFO_WRITE | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - outw( 0, SEEQ_DMAAR); /* load start address into both low and high byte */ -/* wait_for_buffer(dev); */ /* I think that you only need a wait for memory buffer */ - outw( SEEQCFG1_BUFFER_MAC0, SEEQ_CFG1); - - for(i=0;i<6;i++) { /* set Station address */ - outb(dev->dev_addr[i], SEEQ_BUFFER); - udelay(2); - } - - outw( SEEQCFG1_BUFFER_TEA, SEEQ_CFG1); /* set xmit end area pointer to 16K */ - outb( DEFAULT_TEA, SEEQ_BUFFER); /* this gives us 16K of send buffer and 48K of recv buffer */ - - lp->receive_ptr = (DEFAULT_TEA+1)<<8; /* so we can find our packet_header */ - outw( lp->receive_ptr, SEEQ_RPR); /* Receive Pointer Register is set to recv buffer memory */ - - outw( 0x00ff, SEEQ_REA); /* Receive Area End */ - - if (net_debug>4) { - printk("%s: SA0 = ",dev->name); - - outw( SEEQCMD_FIFO_READ | SEEQCMD_SET_ALL_OFF, SEEQ_CMD); - outw( 0, SEEQ_DMAAR); - outw( SEEQCFG1_BUFFER_MAC0, SEEQ_CFG1); - - for(i=0;i<6;i++) { - printk("%02x ",inb(SEEQ_BUFFER)); - } - printk("\n"); - } - - outw( SEEQCFG1_MAC0_EN | SEEQCFG1_MATCH_BROAD | SEEQCFG1_BUFFER_BUFFER, SEEQ_CFG1); - outw( SEEQCFG2_AUTO_REA | SEEQCFG2_CTRLO, SEEQ_CFG2); - outw( SEEQCMD_SET_RX_ON | SEEQCMD_TX_INT_EN | SEEQCMD_RX_INT_EN, SEEQ_CMD); - - if (net_debug>4) { - int old_cfg1; - old_cfg1 = inw(SEEQ_CFG1); - printk("%s: stat = 0x%04x\n",dev->name,inw(SEEQ_STATUS)); - printk("%s: cfg1 = 0x%04x\n",dev->name,old_cfg1); - printk("%s: cfg2 = 0x%04x\n",dev->name,inw(SEEQ_CFG2)); - printk("%s: raer = 0x%04x\n",dev->name,inw(SEEQ_REA)); - printk("%s: dmaar= 0x%04x\n",dev->name,inw(SEEQ_DMAAR)); - - } -} - - -static void hardware_send_packet(struct net_device * dev, char *buf, int length) -{ - int ioaddr = dev->base_addr; - int status = inw(SEEQ_STATUS); - int transmit_ptr = 0; - unsigned long tmp; - - if (net_debug>4) { - printk("%s: send 0x%04x\n",dev->name,length); - } - - /* Set FIFO to writemode and set packet-buffer address */ - outw( SEEQCMD_FIFO_WRITE | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - outw( transmit_ptr, SEEQ_DMAAR); - - /* output SEEQ Packet header barfage */ - outw( htons(length + 4), SEEQ_BUFFER); - outw( SEEQPKTH_XMIT | SEEQPKTH_DATA_FOLLOWS | SEEQPKTH_XMIT_INT_EN, SEEQ_BUFFER ); - - /* blat the buffer */ - outsw( SEEQ_BUFFER, buf, (length +1) >> 1); - /* paranoia !! */ - outw( 0, SEEQ_BUFFER); - outw( 0, SEEQ_BUFFER); - - /* set address of start of transmit chain */ - outw( transmit_ptr, SEEQ_TPR); - - /* drain FIFO */ - tmp = jiffies; - while ( (((status=inw(SEEQ_STATUS)) & SEEQSTAT_FIFO_EMPTY) == 0) && time_before(jiffies, tmp + HZ)) - mb(); - - /* doit ! */ - outw( SEEQCMD_WINDOW_INT_ACK | SEEQCMD_SET_TX_ON | (status & SEEQCMD_INT_MASK), SEEQ_CMD); - -} - - -#ifdef MODULE - -static struct net_device *dev_seeq; -MODULE_LICENSE("GPL"); -module_param(io, int, 0); -module_param(irq, int, 0); -MODULE_PARM_DESC(io, "SEEQ 8005 I/O base address"); -MODULE_PARM_DESC(irq, "SEEQ 8005 IRQ number"); - -int __init init_module(void) -{ - dev_seeq = seeq8005_probe(-1); - if (IS_ERR(dev_seeq)) - return PTR_ERR(dev_seeq); - return 0; -} - -void __exit cleanup_module(void) -{ - unregister_netdev(dev_seeq); - release_region(dev_seeq->base_addr, SEEQ8005_IO_EXTENT); - free_netdev(dev_seeq); -} - -#endif /* MODULE */ diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.h b/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.h deleted file mode 100644 index 5dfb0098..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/seeq8005.h +++ /dev/null @@ -1,156 +0,0 @@ -/* - * defines, etc for the seeq8005 - */ - -/* - * This file is distributed under GPL. - * - * This style and layout of this file is also copied - * from many of the other linux network device drivers. - */ - -/* The number of low I/O ports used by the ethercard. */ -#define SEEQ8005_IO_EXTENT 16 - -#define SEEQ_B (ioaddr) - -#define SEEQ_CMD (SEEQ_B) /* Write only */ -#define SEEQ_STATUS (SEEQ_B) /* Read only */ -#define SEEQ_CFG1 (SEEQ_B + 2) -#define SEEQ_CFG2 (SEEQ_B + 4) -#define SEEQ_REA (SEEQ_B + 6) /* Receive End Area Register */ -#define SEEQ_RPR (SEEQ_B + 10) /* Receive Pointer Register */ -#define SEEQ_TPR (SEEQ_B + 12) /* Transmit Pointer Register */ -#define SEEQ_DMAAR (SEEQ_B + 14) /* DMA Address Register */ -#define SEEQ_BUFFER (SEEQ_B + 8) /* Buffer Window Register */ - -#define DEFAULT_TEA (0x3f) - -#define SEEQCMD_DMA_INT_EN (0x0001) /* DMA Interrupt Enable */ -#define SEEQCMD_RX_INT_EN (0x0002) /* Receive Interrupt Enable */ -#define SEEQCMD_TX_INT_EN (0x0004) /* Transmit Interrupt Enable */ -#define SEEQCMD_WINDOW_INT_EN (0x0008) /* What the hell is this for?? */ -#define SEEQCMD_INT_MASK (0x000f) - -#define SEEQCMD_DMA_INT_ACK (0x0010) /* DMA ack */ -#define SEEQCMD_RX_INT_ACK (0x0020) -#define SEEQCMD_TX_INT_ACK (0x0040) -#define SEEQCMD_WINDOW_INT_ACK (0x0080) -#define SEEQCMD_ACK_ALL (0x00f0) - -#define SEEQCMD_SET_DMA_ON (0x0100) /* Enables DMA Request logic */ -#define SEEQCMD_SET_RX_ON (0x0200) /* Enables Packet RX */ -#define SEEQCMD_SET_TX_ON (0x0400) /* Starts TX run */ -#define SEEQCMD_SET_DMA_OFF (0x0800) -#define SEEQCMD_SET_RX_OFF (0x1000) -#define SEEQCMD_SET_TX_OFF (0x2000) -#define SEEQCMD_SET_ALL_OFF (0x3800) /* set all logic off */ - -#define SEEQCMD_FIFO_READ (0x4000) /* Set FIFO to read mode (read from Buffer) */ -#define SEEQCMD_FIFO_WRITE (0x8000) /* Set FIFO to write mode */ - -#define SEEQSTAT_DMA_INT_EN (0x0001) /* Status of interrupt enable */ -#define SEEQSTAT_RX_INT_EN (0x0002) -#define SEEQSTAT_TX_INT_EN (0x0004) -#define SEEQSTAT_WINDOW_INT_EN (0x0008) - -#define SEEQSTAT_DMA_INT (0x0010) /* Interrupt flagged */ -#define SEEQSTAT_RX_INT (0x0020) -#define SEEQSTAT_TX_INT (0x0040) -#define SEEQSTAT_WINDOW_INT (0x0080) -#define SEEQSTAT_ANY_INT (0x00f0) - -#define SEEQSTAT_DMA_ON (0x0100) /* DMA logic on */ -#define SEEQSTAT_RX_ON (0x0200) /* Packet RX on */ -#define SEEQSTAT_TX_ON (0x0400) /* TX running */ - -#define SEEQSTAT_FIFO_FULL (0x2000) -#define SEEQSTAT_FIFO_EMPTY (0x4000) -#define SEEQSTAT_FIFO_DIR (0x8000) /* 1=read, 0=write */ - -#define SEEQCFG1_BUFFER_MASK (0x000f) /* define what maps into the BUFFER register */ -#define SEEQCFG1_BUFFER_MAC0 (0x0000) /* MAC station addresses 0-5 */ -#define SEEQCFG1_BUFFER_MAC1 (0x0001) -#define SEEQCFG1_BUFFER_MAC2 (0x0002) -#define SEEQCFG1_BUFFER_MAC3 (0x0003) -#define SEEQCFG1_BUFFER_MAC4 (0x0004) -#define SEEQCFG1_BUFFER_MAC5 (0x0005) -#define SEEQCFG1_BUFFER_PROM (0x0006) /* The Address/CFG PROM */ -#define SEEQCFG1_BUFFER_TEA (0x0007) /* Transmit end area */ -#define SEEQCFG1_BUFFER_BUFFER (0x0008) /* Packet buffer memory */ -#define SEEQCFG1_BUFFER_INT_VEC (0x0009) /* Interrupt Vector */ - -#define SEEQCFG1_DMA_INTVL_MASK (0x0030) -#define SEEQCFG1_DMA_CONT (0x0000) -#define SEEQCFG1_DMA_800ns (0x0010) -#define SEEQCFG1_DMA_1600ns (0x0020) -#define SEEQCFG1_DMA_3200ns (0x0030) - -#define SEEQCFG1_DMA_LEN_MASK (0x00c0) -#define SEEQCFG1_DMA_LEN1 (0x0000) -#define SEEQCFG1_DMA_LEN2 (0x0040) -#define SEEQCFG1_DMA_LEN4 (0x0080) -#define SEEQCFG1_DMA_LEN8 (0x00c0) - -#define SEEQCFG1_MAC_MASK (0x3f00) /* Dis/enable bits for MAC addresses */ -#define SEEQCFG1_MAC0_EN (0x0100) -#define SEEQCFG1_MAC1_EN (0x0200) -#define SEEQCFG1_MAC2_EN (0x0400) -#define SEEQCFG1_MAC3_EN (0x0800) -#define SEEQCFG1_MAC4_EN (0x1000) -#define SEEQCFG1_MAC5_EN (0x2000) - -#define SEEQCFG1_MATCH_MASK (0xc000) /* Packet matching logic cfg bits */ -#define SEEQCFG1_MATCH_SPECIFIC (0x0000) /* only matching MAC addresses */ -#define SEEQCFG1_MATCH_BROAD (0x4000) /* matching and broadcast addresses */ -#define SEEQCFG1_MATCH_MULTI (0x8000) /* matching, broadcast and multicast */ -#define SEEQCFG1_MATCH_ALL (0xc000) /* Promiscuous mode */ - -#define SEEQCFG1_DEFAULT (SEEQCFG1_BUFFER_BUFFER | SEEQCFG1_MAC0_EN | SEEQCFG1_MATCH_BROAD) - -#define SEEQCFG2_BYTE_SWAP (0x0001) /* 0=Intel byte-order */ -#define SEEQCFG2_AUTO_REA (0x0002) /* if set, Receive End Area will be updated when reading from Buffer */ - -#define SEEQCFG2_CRC_ERR_EN (0x0008) /* enables receiving of packets with CRC errors */ -#define SEEQCFG2_DRIBBLE_EN (0x0010) /* enables receiving of non-aligned packets */ -#define SEEQCFG2_SHORT_EN (0x0020) /* enables receiving of short packets */ - -#define SEEQCFG2_SLOTSEL (0x0040) /* 0= standard IEEE802.3, 1= smaller,faster, non-standard */ -#define SEEQCFG2_NO_PREAM (0x0080) /* 1= user supplies Xmit preamble bytes */ -#define SEEQCFG2_ADDR_LEN (0x0100) /* 1= 2byte addresses */ -#define SEEQCFG2_REC_CRC (0x0200) /* 0= received packets will have CRC stripped from them */ -#define SEEQCFG2_XMIT_NO_CRC (0x0400) /* don't xmit CRC with each packet (user supplies it) */ -#define SEEQCFG2_LOOPBACK (0x0800) -#define SEEQCFG2_CTRLO (0x1000) -#define SEEQCFG2_RESET (0x8000) /* software Hard-reset bit */ - -struct seeq_pkt_hdr { - unsigned short next; /* address of next packet header */ - unsigned char babble_int:1, /* enable int on >1514 byte packet */ - coll_int:1, /* enable int on collision */ - coll_16_int:1, /* enable int on >15 collision */ - xmit_int:1, /* enable int on success (or xmit with <15 collision) */ - unused:1, - data_follows:1, /* if not set, process this as a header and pointer only */ - chain_cont:1, /* if set, more headers in chain only cmd bit valid in recv header */ - xmit_recv:1; /* if set, a xmit packet, else a receive packet.*/ - unsigned char status; -}; - -#define SEEQPKTH_BAB_INT_EN (0x01) /* xmit only */ -#define SEEQPKTH_COL_INT_EN (0x02) /* xmit only */ -#define SEEQPKTH_COL16_INT_EN (0x04) /* xmit only */ -#define SEEQPKTH_XMIT_INT_EN (0x08) /* xmit only */ -#define SEEQPKTH_DATA_FOLLOWS (0x20) /* supposedly in xmit only */ -#define SEEQPKTH_CHAIN (0x40) /* more headers follow */ -#define SEEQPKTH_XMIT (0x80) - -#define SEEQPKTS_BABBLE (0x0100) /* xmit only */ -#define SEEQPKTS_OVERSIZE (0x0100) /* recv only */ -#define SEEQPKTS_COLLISION (0x0200) /* xmit only */ -#define SEEQPKTS_CRC_ERR (0x0200) /* recv only */ -#define SEEQPKTS_COLL16 (0x0400) /* xmit only */ -#define SEEQPKTS_DRIB (0x0400) /* recv only */ -#define SEEQPKTS_SHORT (0x0800) /* recv only */ -#define SEEQPKTS_DONE (0x8000) -#define SEEQPKTS_ANY_ERROR (0x0f00) diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.c b/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.c deleted file mode 100644 index bb8c8222..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.c +++ /dev/null @@ -1,841 +0,0 @@ -/* - * sgiseeq.c: Seeq8003 ethernet driver for SGI machines. - * - * Copyright (C) 1996 David S. Miller (davem@davemloft.net) - */ - -#undef DEBUG - -#include <linux/dma-mapping.h> -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/slab.h> -#include <linux/errno.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/interrupt.h> -#include <linux/string.h> -#include <linux/delay.h> -#include <linux/netdevice.h> -#include <linux/platform_device.h> -#include <linux/etherdevice.h> -#include <linux/skbuff.h> - -#include <asm/sgi/hpc3.h> -#include <asm/sgi/ip22.h> -#include <asm/sgi/seeq.h> - -#include "sgiseeq.h" - -static char *sgiseeqstr = "SGI Seeq8003"; - -/* - * If you want speed, you do something silly, it always has worked for me. So, - * with that in mind, I've decided to make this driver look completely like a - * stupid Lance from a driver architecture perspective. Only difference is that - * here our "ring buffer" looks and acts like a real Lance one does but is - * laid out like how the HPC DMA and the Seeq want it to. You'd be surprised - * how a stupid idea like this can pay off in performance, not to mention - * making this driver 2,000 times easier to write. ;-) - */ - -/* Tune these if we tend to run out often etc. */ -#define SEEQ_RX_BUFFERS 16 -#define SEEQ_TX_BUFFERS 16 - -#define PKT_BUF_SZ 1584 - -#define NEXT_RX(i) (((i) + 1) & (SEEQ_RX_BUFFERS - 1)) -#define NEXT_TX(i) (((i) + 1) & (SEEQ_TX_BUFFERS - 1)) -#define PREV_RX(i) (((i) - 1) & (SEEQ_RX_BUFFERS - 1)) -#define PREV_TX(i) (((i) - 1) & (SEEQ_TX_BUFFERS - 1)) - -#define TX_BUFFS_AVAIL(sp) ((sp->tx_old <= sp->tx_new) ? \ - sp->tx_old + (SEEQ_TX_BUFFERS - 1) - sp->tx_new : \ - sp->tx_old - sp->tx_new - 1) - -#define VIRT_TO_DMA(sp, v) ((sp)->srings_dma + \ - (dma_addr_t)((unsigned long)(v) - \ - (unsigned long)((sp)->rx_desc))) - -/* Copy frames shorter than rx_copybreak, otherwise pass on up in - * a full sized sk_buff. Value of 100 stolen from tulip.c (!alpha). - */ -static int rx_copybreak = 100; - -#define PAD_SIZE (128 - sizeof(struct hpc_dma_desc) - sizeof(void *)) - -struct sgiseeq_rx_desc { - volatile struct hpc_dma_desc rdma; - u8 padding[PAD_SIZE]; - struct sk_buff *skb; -}; - -struct sgiseeq_tx_desc { - volatile struct hpc_dma_desc tdma; - u8 padding[PAD_SIZE]; - struct sk_buff *skb; -}; - -/* - * Warning: This structure is laid out in a certain way because HPC dma - * descriptors must be 8-byte aligned. So don't touch this without - * some care. - */ -struct sgiseeq_init_block { /* Note the name ;-) */ - struct sgiseeq_rx_desc rxvector[SEEQ_RX_BUFFERS]; - struct sgiseeq_tx_desc txvector[SEEQ_TX_BUFFERS]; -}; - -struct sgiseeq_private { - struct sgiseeq_init_block *srings; - dma_addr_t srings_dma; - - /* Ptrs to the descriptors in uncached space. */ - struct sgiseeq_rx_desc *rx_desc; - struct sgiseeq_tx_desc *tx_desc; - - char *name; - struct hpc3_ethregs *hregs; - struct sgiseeq_regs *sregs; - - /* Ring entry counters. */ - unsigned int rx_new, tx_new; - unsigned int rx_old, tx_old; - - int is_edlc; - unsigned char control; - unsigned char mode; - - spinlock_t tx_lock; -}; - -static inline void dma_sync_desc_cpu(struct net_device *dev, void *addr) -{ - dma_cache_sync(dev->dev.parent, addr, sizeof(struct sgiseeq_rx_desc), - DMA_FROM_DEVICE); -} - -static inline void dma_sync_desc_dev(struct net_device *dev, void *addr) -{ - dma_cache_sync(dev->dev.parent, addr, sizeof(struct sgiseeq_rx_desc), - DMA_TO_DEVICE); -} - -static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs) -{ - hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ; - udelay(20); - hregs->reset = 0; -} - -static inline void reset_hpc3_and_seeq(struct hpc3_ethregs *hregs, - struct sgiseeq_regs *sregs) -{ - hregs->rx_ctrl = hregs->tx_ctrl = 0; - hpc3_eth_reset(hregs); -} - -#define RSTAT_GO_BITS (SEEQ_RCMD_IGOOD | SEEQ_RCMD_IEOF | SEEQ_RCMD_ISHORT | \ - SEEQ_RCMD_IDRIB | SEEQ_RCMD_ICRC) - -static inline void seeq_go(struct sgiseeq_private *sp, - struct hpc3_ethregs *hregs, - struct sgiseeq_regs *sregs) -{ - sregs->rstat = sp->mode | RSTAT_GO_BITS; - hregs->rx_ctrl = HPC3_ERXCTRL_ACTIVE; -} - -static inline void __sgiseeq_set_mac_address(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct sgiseeq_regs *sregs = sp->sregs; - int i; - - sregs->tstat = SEEQ_TCMD_RB0; - for (i = 0; i < 6; i++) - sregs->rw.eth_addr[i] = dev->dev_addr[i]; -} - -static int sgiseeq_set_mac_address(struct net_device *dev, void *addr) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct sockaddr *sa = addr; - - memcpy(dev->dev_addr, sa->sa_data, dev->addr_len); - - spin_lock_irq(&sp->tx_lock); - __sgiseeq_set_mac_address(dev); - spin_unlock_irq(&sp->tx_lock); - - return 0; -} - -#define TCNTINFO_INIT (HPCDMA_EOX | HPCDMA_ETXD) -#define RCNTCFG_INIT (HPCDMA_OWN | HPCDMA_EORP | HPCDMA_XIE) -#define RCNTINFO_INIT (RCNTCFG_INIT | (PKT_BUF_SZ & HPCDMA_BCNT)) - -static int seeq_init_ring(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - int i; - - netif_stop_queue(dev); - sp->rx_new = sp->tx_new = 0; - sp->rx_old = sp->tx_old = 0; - - __sgiseeq_set_mac_address(dev); - - /* Setup tx ring. */ - for(i = 0; i < SEEQ_TX_BUFFERS; i++) { - sp->tx_desc[i].tdma.cntinfo = TCNTINFO_INIT; - dma_sync_desc_dev(dev, &sp->tx_desc[i]); - } - - /* And now the rx ring. */ - for (i = 0; i < SEEQ_RX_BUFFERS; i++) { - if (!sp->rx_desc[i].skb) { - dma_addr_t dma_addr; - struct sk_buff *skb = netdev_alloc_skb(dev, PKT_BUF_SZ); - - if (skb == NULL) - return -ENOMEM; - skb_reserve(skb, 2); - dma_addr = dma_map_single(dev->dev.parent, - skb->data - 2, - PKT_BUF_SZ, DMA_FROM_DEVICE); - sp->rx_desc[i].skb = skb; - sp->rx_desc[i].rdma.pbuf = dma_addr; - } - sp->rx_desc[i].rdma.cntinfo = RCNTINFO_INIT; - dma_sync_desc_dev(dev, &sp->rx_desc[i]); - } - sp->rx_desc[i - 1].rdma.cntinfo |= HPCDMA_EOR; - dma_sync_desc_dev(dev, &sp->rx_desc[i - 1]); - return 0; -} - -static void seeq_purge_ring(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - int i; - - /* clear tx ring. */ - for (i = 0; i < SEEQ_TX_BUFFERS; i++) { - if (sp->tx_desc[i].skb) { - dev_kfree_skb(sp->tx_desc[i].skb); - sp->tx_desc[i].skb = NULL; - } - } - - /* And now the rx ring. */ - for (i = 0; i < SEEQ_RX_BUFFERS; i++) { - if (sp->rx_desc[i].skb) { - dev_kfree_skb(sp->rx_desc[i].skb); - sp->rx_desc[i].skb = NULL; - } - } -} - -#ifdef DEBUG -static struct sgiseeq_private *gpriv; -static struct net_device *gdev; - -static void sgiseeq_dump_rings(void) -{ - static int once; - struct sgiseeq_rx_desc *r = gpriv->rx_desc; - struct sgiseeq_tx_desc *t = gpriv->tx_desc; - struct hpc3_ethregs *hregs = gpriv->hregs; - int i; - - if (once) - return; - once++; - printk("RING DUMP:\n"); - for (i = 0; i < SEEQ_RX_BUFFERS; i++) { - printk("RX [%d]: @(%p) [%08x,%08x,%08x] ", - i, (&r[i]), r[i].rdma.pbuf, r[i].rdma.cntinfo, - r[i].rdma.pnext); - i += 1; - printk("-- [%d]: @(%p) [%08x,%08x,%08x]\n", - i, (&r[i]), r[i].rdma.pbuf, r[i].rdma.cntinfo, - r[i].rdma.pnext); - } - for (i = 0; i < SEEQ_TX_BUFFERS; i++) { - printk("TX [%d]: @(%p) [%08x,%08x,%08x] ", - i, (&t[i]), t[i].tdma.pbuf, t[i].tdma.cntinfo, - t[i].tdma.pnext); - i += 1; - printk("-- [%d]: @(%p) [%08x,%08x,%08x]\n", - i, (&t[i]), t[i].tdma.pbuf, t[i].tdma.cntinfo, - t[i].tdma.pnext); - } - printk("INFO: [rx_new = %d rx_old=%d] [tx_new = %d tx_old = %d]\n", - gpriv->rx_new, gpriv->rx_old, gpriv->tx_new, gpriv->tx_old); - printk("RREGS: rx_cbptr[%08x] rx_ndptr[%08x] rx_ctrl[%08x]\n", - hregs->rx_cbptr, hregs->rx_ndptr, hregs->rx_ctrl); - printk("TREGS: tx_cbptr[%08x] tx_ndptr[%08x] tx_ctrl[%08x]\n", - hregs->tx_cbptr, hregs->tx_ndptr, hregs->tx_ctrl); -} -#endif - -#define TSTAT_INIT_SEEQ (SEEQ_TCMD_IPT|SEEQ_TCMD_I16|SEEQ_TCMD_IC|SEEQ_TCMD_IUF) -#define TSTAT_INIT_EDLC ((TSTAT_INIT_SEEQ) | SEEQ_TCMD_RB2) - -static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp, - struct sgiseeq_regs *sregs) -{ - struct hpc3_ethregs *hregs = sp->hregs; - int err; - - reset_hpc3_and_seeq(hregs, sregs); - err = seeq_init_ring(dev); - if (err) - return err; - - /* Setup to field the proper interrupt types. */ - if (sp->is_edlc) { - sregs->tstat = TSTAT_INIT_EDLC; - sregs->rw.wregs.control = sp->control; - sregs->rw.wregs.frame_gap = 0; - } else { - sregs->tstat = TSTAT_INIT_SEEQ; - } - - hregs->rx_ndptr = VIRT_TO_DMA(sp, sp->rx_desc); - hregs->tx_ndptr = VIRT_TO_DMA(sp, sp->tx_desc); - - seeq_go(sp, hregs, sregs); - return 0; -} - -static void record_rx_errors(struct net_device *dev, unsigned char status) -{ - if (status & SEEQ_RSTAT_OVERF || - status & SEEQ_RSTAT_SFRAME) - dev->stats.rx_over_errors++; - if (status & SEEQ_RSTAT_CERROR) - dev->stats.rx_crc_errors++; - if (status & SEEQ_RSTAT_DERROR) - dev->stats.rx_frame_errors++; - if (status & SEEQ_RSTAT_REOF) - dev->stats.rx_errors++; -} - -static inline void rx_maybe_restart(struct sgiseeq_private *sp, - struct hpc3_ethregs *hregs, - struct sgiseeq_regs *sregs) -{ - if (!(hregs->rx_ctrl & HPC3_ERXCTRL_ACTIVE)) { - hregs->rx_ndptr = VIRT_TO_DMA(sp, sp->rx_desc + sp->rx_new); - seeq_go(sp, hregs, sregs); - } -} - -static inline void sgiseeq_rx(struct net_device *dev, struct sgiseeq_private *sp, - struct hpc3_ethregs *hregs, - struct sgiseeq_regs *sregs) -{ - struct sgiseeq_rx_desc *rd; - struct sk_buff *skb = NULL; - struct sk_buff *newskb; - unsigned char pkt_status; - int len = 0; - unsigned int orig_end = PREV_RX(sp->rx_new); - - /* Service every received packet. */ - rd = &sp->rx_desc[sp->rx_new]; - dma_sync_desc_cpu(dev, rd); - while (!(rd->rdma.cntinfo & HPCDMA_OWN)) { - len = PKT_BUF_SZ - (rd->rdma.cntinfo & HPCDMA_BCNT) - 3; - dma_unmap_single(dev->dev.parent, rd->rdma.pbuf, - PKT_BUF_SZ, DMA_FROM_DEVICE); - pkt_status = rd->skb->data[len]; - if (pkt_status & SEEQ_RSTAT_FIG) { - /* Packet is OK. */ - /* We don't want to receive our own packets */ - if (memcmp(rd->skb->data + 6, dev->dev_addr, ETH_ALEN)) { - if (len > rx_copybreak) { - skb = rd->skb; - newskb = netdev_alloc_skb(dev, PKT_BUF_SZ); - if (!newskb) { - newskb = skb; - skb = NULL; - goto memory_squeeze; - } - skb_reserve(newskb, 2); - } else { - skb = netdev_alloc_skb_ip_align(dev, len); - if (skb) - skb_copy_to_linear_data(skb, rd->skb->data, len); - - newskb = rd->skb; - } -memory_squeeze: - if (skb) { - skb_put(skb, len); - skb->protocol = eth_type_trans(skb, dev); - netif_rx(skb); - dev->stats.rx_packets++; - dev->stats.rx_bytes += len; - } else { - printk(KERN_NOTICE "%s: Memory squeeze, deferring packet.\n", - dev->name); - dev->stats.rx_dropped++; - } - } else { - /* Silently drop my own packets */ - newskb = rd->skb; - } - } else { - record_rx_errors(dev, pkt_status); - newskb = rd->skb; - } - rd->skb = newskb; - rd->rdma.pbuf = dma_map_single(dev->dev.parent, - newskb->data - 2, - PKT_BUF_SZ, DMA_FROM_DEVICE); - - /* Return the entry to the ring pool. */ - rd->rdma.cntinfo = RCNTINFO_INIT; - sp->rx_new = NEXT_RX(sp->rx_new); - dma_sync_desc_dev(dev, rd); - rd = &sp->rx_desc[sp->rx_new]; - dma_sync_desc_cpu(dev, rd); - } - dma_sync_desc_cpu(dev, &sp->rx_desc[orig_end]); - sp->rx_desc[orig_end].rdma.cntinfo &= ~(HPCDMA_EOR); - dma_sync_desc_dev(dev, &sp->rx_desc[orig_end]); - dma_sync_desc_cpu(dev, &sp->rx_desc[PREV_RX(sp->rx_new)]); - sp->rx_desc[PREV_RX(sp->rx_new)].rdma.cntinfo |= HPCDMA_EOR; - dma_sync_desc_dev(dev, &sp->rx_desc[PREV_RX(sp->rx_new)]); - rx_maybe_restart(sp, hregs, sregs); -} - -static inline void tx_maybe_reset_collisions(struct sgiseeq_private *sp, - struct sgiseeq_regs *sregs) -{ - if (sp->is_edlc) { - sregs->rw.wregs.control = sp->control & ~(SEEQ_CTRL_XCNT); - sregs->rw.wregs.control = sp->control; - } -} - -static inline void kick_tx(struct net_device *dev, - struct sgiseeq_private *sp, - struct hpc3_ethregs *hregs) -{ - struct sgiseeq_tx_desc *td; - int i = sp->tx_old; - - /* If the HPC aint doin nothin, and there are more packets - * with ETXD cleared and XIU set we must make very certain - * that we restart the HPC else we risk locking up the - * adapter. The following code is only safe iff the HPCDMA - * is not active! - */ - td = &sp->tx_desc[i]; - dma_sync_desc_cpu(dev, td); - while ((td->tdma.cntinfo & (HPCDMA_XIU | HPCDMA_ETXD)) == - (HPCDMA_XIU | HPCDMA_ETXD)) { - i = NEXT_TX(i); - td = &sp->tx_desc[i]; - dma_sync_desc_cpu(dev, td); - } - if (td->tdma.cntinfo & HPCDMA_XIU) { - hregs->tx_ndptr = VIRT_TO_DMA(sp, td); - hregs->tx_ctrl = HPC3_ETXCTRL_ACTIVE; - } -} - -static inline void sgiseeq_tx(struct net_device *dev, struct sgiseeq_private *sp, - struct hpc3_ethregs *hregs, - struct sgiseeq_regs *sregs) -{ - struct sgiseeq_tx_desc *td; - unsigned long status = hregs->tx_ctrl; - int j; - - tx_maybe_reset_collisions(sp, sregs); - - if (!(status & (HPC3_ETXCTRL_ACTIVE | SEEQ_TSTAT_PTRANS))) { - /* Oops, HPC detected some sort of error. */ - if (status & SEEQ_TSTAT_R16) - dev->stats.tx_aborted_errors++; - if (status & SEEQ_TSTAT_UFLOW) - dev->stats.tx_fifo_errors++; - if (status & SEEQ_TSTAT_LCLS) - dev->stats.collisions++; - } - - /* Ack 'em... */ - for (j = sp->tx_old; j != sp->tx_new; j = NEXT_TX(j)) { - td = &sp->tx_desc[j]; - - dma_sync_desc_cpu(dev, td); - if (!(td->tdma.cntinfo & (HPCDMA_XIU))) - break; - if (!(td->tdma.cntinfo & (HPCDMA_ETXD))) { - if (!(status & HPC3_ETXCTRL_ACTIVE)) { - hregs->tx_ndptr = VIRT_TO_DMA(sp, td); - hregs->tx_ctrl = HPC3_ETXCTRL_ACTIVE; - } - break; - } - dev->stats.tx_packets++; - sp->tx_old = NEXT_TX(sp->tx_old); - td->tdma.cntinfo &= ~(HPCDMA_XIU | HPCDMA_XIE); - td->tdma.cntinfo |= HPCDMA_EOX; - if (td->skb) { - dev_kfree_skb_any(td->skb); - td->skb = NULL; - } - dma_sync_desc_dev(dev, td); - } -} - -static irqreturn_t sgiseeq_interrupt(int irq, void *dev_id) -{ - struct net_device *dev = (struct net_device *) dev_id; - struct sgiseeq_private *sp = netdev_priv(dev); - struct hpc3_ethregs *hregs = sp->hregs; - struct sgiseeq_regs *sregs = sp->sregs; - - spin_lock(&sp->tx_lock); - - /* Ack the IRQ and set software state. */ - hregs->reset = HPC3_ERST_CLRIRQ; - - /* Always check for received packets. */ - sgiseeq_rx(dev, sp, hregs, sregs); - - /* Only check for tx acks if we have something queued. */ - if (sp->tx_old != sp->tx_new) - sgiseeq_tx(dev, sp, hregs, sregs); - - if ((TX_BUFFS_AVAIL(sp) > 0) && netif_queue_stopped(dev)) { - netif_wake_queue(dev); - } - spin_unlock(&sp->tx_lock); - - return IRQ_HANDLED; -} - -static int sgiseeq_open(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct sgiseeq_regs *sregs = sp->sregs; - unsigned int irq = dev->irq; - int err; - - if (request_irq(irq, sgiseeq_interrupt, 0, sgiseeqstr, dev)) { - printk(KERN_ERR "Seeq8003: Can't get irq %d\n", dev->irq); - return -EAGAIN; - } - - err = init_seeq(dev, sp, sregs); - if (err) - goto out_free_irq; - - netif_start_queue(dev); - - return 0; - -out_free_irq: - free_irq(irq, dev); - - return err; -} - -static int sgiseeq_close(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct sgiseeq_regs *sregs = sp->sregs; - unsigned int irq = dev->irq; - - netif_stop_queue(dev); - - /* Shutdown the Seeq. */ - reset_hpc3_and_seeq(sp->hregs, sregs); - free_irq(irq, dev); - seeq_purge_ring(dev); - - return 0; -} - -static inline int sgiseeq_reset(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct sgiseeq_regs *sregs = sp->sregs; - int err; - - err = init_seeq(dev, sp, sregs); - if (err) - return err; - - dev->trans_start = jiffies; /* prevent tx timeout */ - netif_wake_queue(dev); - - return 0; -} - -static int sgiseeq_start_xmit(struct sk_buff *skb, struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - struct hpc3_ethregs *hregs = sp->hregs; - unsigned long flags; - struct sgiseeq_tx_desc *td; - int len, entry; - - spin_lock_irqsave(&sp->tx_lock, flags); - - /* Setup... */ - len = skb->len; - if (len < ETH_ZLEN) { - if (skb_padto(skb, ETH_ZLEN)) { - spin_unlock_irqrestore(&sp->tx_lock, flags); - return NETDEV_TX_OK; - } - len = ETH_ZLEN; - } - - dev->stats.tx_bytes += len; - entry = sp->tx_new; - td = &sp->tx_desc[entry]; - dma_sync_desc_cpu(dev, td); - - /* Create entry. There are so many races with adding a new - * descriptor to the chain: - * 1) Assume that the HPC is off processing a DMA chain while - * we are changing all of the following. - * 2) Do no allow the HPC to look at a new descriptor until - * we have completely set up it's state. This means, do - * not clear HPCDMA_EOX in the current last descritptor - * until the one we are adding looks consistent and could - * be processes right now. - * 3) The tx interrupt code must notice when we've added a new - * entry and the HPC got to the end of the chain before we - * added this new entry and restarted it. - */ - td->skb = skb; - td->tdma.pbuf = dma_map_single(dev->dev.parent, skb->data, - len, DMA_TO_DEVICE); - td->tdma.cntinfo = (len & HPCDMA_BCNT) | - HPCDMA_XIU | HPCDMA_EOXP | HPCDMA_XIE | HPCDMA_EOX; - dma_sync_desc_dev(dev, td); - if (sp->tx_old != sp->tx_new) { - struct sgiseeq_tx_desc *backend; - - backend = &sp->tx_desc[PREV_TX(sp->tx_new)]; - dma_sync_desc_cpu(dev, backend); - backend->tdma.cntinfo &= ~HPCDMA_EOX; - dma_sync_desc_dev(dev, backend); - } - sp->tx_new = NEXT_TX(sp->tx_new); /* Advance. */ - - /* Maybe kick the HPC back into motion. */ - if (!(hregs->tx_ctrl & HPC3_ETXCTRL_ACTIVE)) - kick_tx(dev, sp, hregs); - - if (!TX_BUFFS_AVAIL(sp)) - netif_stop_queue(dev); - spin_unlock_irqrestore(&sp->tx_lock, flags); - - return NETDEV_TX_OK; -} - -static void timeout(struct net_device *dev) -{ - printk(KERN_NOTICE "%s: transmit timed out, resetting\n", dev->name); - sgiseeq_reset(dev); - - dev->trans_start = jiffies; /* prevent tx timeout */ - netif_wake_queue(dev); -} - -static void sgiseeq_set_multicast(struct net_device *dev) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - unsigned char oldmode = sp->mode; - - if(dev->flags & IFF_PROMISC) - sp->mode = SEEQ_RCMD_RANY; - else if ((dev->flags & IFF_ALLMULTI) || !netdev_mc_empty(dev)) - sp->mode = SEEQ_RCMD_RBMCAST; - else - sp->mode = SEEQ_RCMD_RBCAST; - - /* XXX I know this sucks, but is there a better way to reprogram - * XXX the receiver? At least, this shouldn't happen too often. - */ - - if (oldmode != sp->mode) - sgiseeq_reset(dev); -} - -static inline void setup_tx_ring(struct net_device *dev, - struct sgiseeq_tx_desc *buf, - int nbufs) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - int i = 0; - - while (i < (nbufs - 1)) { - buf[i].tdma.pnext = VIRT_TO_DMA(sp, buf + i + 1); - buf[i].tdma.pbuf = 0; - dma_sync_desc_dev(dev, &buf[i]); - i++; - } - buf[i].tdma.pnext = VIRT_TO_DMA(sp, buf); - dma_sync_desc_dev(dev, &buf[i]); -} - -static inline void setup_rx_ring(struct net_device *dev, - struct sgiseeq_rx_desc *buf, - int nbufs) -{ - struct sgiseeq_private *sp = netdev_priv(dev); - int i = 0; - - while (i < (nbufs - 1)) { - buf[i].rdma.pnext = VIRT_TO_DMA(sp, buf + i + 1); - buf[i].rdma.pbuf = 0; - dma_sync_desc_dev(dev, &buf[i]); - i++; - } - buf[i].rdma.pbuf = 0; - buf[i].rdma.pnext = VIRT_TO_DMA(sp, buf); - dma_sync_desc_dev(dev, &buf[i]); -} - -static const struct net_device_ops sgiseeq_netdev_ops = { - .ndo_open = sgiseeq_open, - .ndo_stop = sgiseeq_close, - .ndo_start_xmit = sgiseeq_start_xmit, - .ndo_tx_timeout = timeout, - .ndo_set_rx_mode = sgiseeq_set_multicast, - .ndo_set_mac_address = sgiseeq_set_mac_address, - .ndo_change_mtu = eth_change_mtu, - .ndo_validate_addr = eth_validate_addr, -}; - -static int __devinit sgiseeq_probe(struct platform_device *pdev) -{ - struct sgiseeq_platform_data *pd = pdev->dev.platform_data; - struct hpc3_regs *hpcregs = pd->hpc; - struct sgiseeq_init_block *sr; - unsigned int irq = pd->irq; - struct sgiseeq_private *sp; - struct net_device *dev; - int err; - - dev = alloc_etherdev(sizeof (struct sgiseeq_private)); - if (!dev) { - err = -ENOMEM; - goto err_out; - } - - platform_set_drvdata(pdev, dev); - sp = netdev_priv(dev); - - /* Make private data page aligned */ - sr = dma_alloc_noncoherent(&pdev->dev, sizeof(*sp->srings), - &sp->srings_dma, GFP_KERNEL); - if (!sr) { - printk(KERN_ERR "Sgiseeq: Page alloc failed, aborting.\n"); - err = -ENOMEM; - goto err_out_free_dev; - } - sp->srings = sr; - sp->rx_desc = sp->srings->rxvector; - sp->tx_desc = sp->srings->txvector; - - /* A couple calculations now, saves many cycles later. */ - setup_rx_ring(dev, sp->rx_desc, SEEQ_RX_BUFFERS); - setup_tx_ring(dev, sp->tx_desc, SEEQ_TX_BUFFERS); - - memcpy(dev->dev_addr, pd->mac, ETH_ALEN); - -#ifdef DEBUG - gpriv = sp; - gdev = dev; -#endif - sp->sregs = (struct sgiseeq_regs *) &hpcregs->eth_ext[0]; - sp->hregs = &hpcregs->ethregs; - sp->name = sgiseeqstr; - sp->mode = SEEQ_RCMD_RBCAST; - - /* Setup PIO and DMA transfer timing */ - sp->hregs->pconfig = 0x161; - sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP | - HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026; - - /* Setup PIO and DMA transfer timing */ - sp->hregs->pconfig = 0x161; - sp->hregs->dconfig = HPC3_EDCFG_FIRQ | HPC3_EDCFG_FEOP | - HPC3_EDCFG_FRXDC | HPC3_EDCFG_PTO | 0x026; - - /* Reset the chip. */ - hpc3_eth_reset(sp->hregs); - - sp->is_edlc = !(sp->sregs->rw.rregs.collision_tx[0] & 0xff); - if (sp->is_edlc) - sp->control = SEEQ_CTRL_XCNT | SEEQ_CTRL_ACCNT | - SEEQ_CTRL_SFLAG | SEEQ_CTRL_ESHORT | - SEEQ_CTRL_ENCARR; - - dev->netdev_ops = &sgiseeq_netdev_ops; - dev->watchdog_timeo = (200 * HZ) / 1000; - dev->irq = irq; - - if (register_netdev(dev)) { - printk(KERN_ERR "Sgiseeq: Cannot register net device, " - "aborting.\n"); - err = -ENODEV; - goto err_out_free_page; - } - - printk(KERN_INFO "%s: %s %pM\n", dev->name, sgiseeqstr, dev->dev_addr); - - return 0; - -err_out_free_page: - free_page((unsigned long) sp->srings); -err_out_free_dev: - free_netdev(dev); - -err_out: - return err; -} - -static int __exit sgiseeq_remove(struct platform_device *pdev) -{ - struct net_device *dev = platform_get_drvdata(pdev); - struct sgiseeq_private *sp = netdev_priv(dev); - - unregister_netdev(dev); - dma_free_noncoherent(&pdev->dev, sizeof(*sp->srings), sp->srings, - sp->srings_dma); - free_netdev(dev); - platform_set_drvdata(pdev, NULL); - - return 0; -} - -static struct platform_driver sgiseeq_driver = { - .probe = sgiseeq_probe, - .remove = __exit_p(sgiseeq_remove), - .driver = { - .name = "sgiseeq", - .owner = THIS_MODULE, - } -}; - -module_platform_driver(sgiseeq_driver); - -MODULE_DESCRIPTION("SGI Seeq 8003 driver"); -MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:sgiseeq"); diff --git a/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.h b/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.h deleted file mode 100644 index 2211e298..00000000 --- a/ANDROID_3.4.5/drivers/net/ethernet/seeq/sgiseeq.h +++ /dev/null @@ -1,103 +0,0 @@ -/* - * sgiseeq.h: Defines for the Seeq8003 ethernet controller. - * - * Copyright (C) 1996 David S. Miller (davem@davemloft.net) - */ -#ifndef _SGISEEQ_H -#define _SGISEEQ_H - -struct sgiseeq_wregs { - volatile unsigned int multicase_high[2]; - volatile unsigned int frame_gap; - volatile unsigned int control; -}; - -struct sgiseeq_rregs { - volatile unsigned int collision_tx[2]; - volatile unsigned int collision_all[2]; - volatile unsigned int _unused0; - volatile unsigned int rflags; -}; - -struct sgiseeq_regs { - union { - volatile unsigned int eth_addr[6]; - volatile unsigned int multicast_low[6]; - struct sgiseeq_wregs wregs; - struct sgiseeq_rregs rregs; - } rw; - volatile unsigned int rstat; - volatile unsigned int tstat; -}; - -/* Seeq8003 receive status register */ -#define SEEQ_RSTAT_OVERF 0x001 /* Overflow */ -#define SEEQ_RSTAT_CERROR 0x002 /* CRC error */ -#define SEEQ_RSTAT_DERROR 0x004 /* Dribble error */ -#define SEEQ_RSTAT_SFRAME 0x008 /* Short frame */ -#define SEEQ_RSTAT_REOF 0x010 /* Received end of frame */ -#define SEEQ_RSTAT_FIG 0x020 /* Frame is good */ -#define SEEQ_RSTAT_TIMEO 0x040 /* Timeout, or late receive */ -#define SEEQ_RSTAT_WHICH 0x080 /* Which status, 1=old 0=new */ -#define SEEQ_RSTAT_LITTLE 0x100 /* DMA is done in little endian format */ -#define SEEQ_RSTAT_SDMA 0x200 /* DMA has started */ -#define SEEQ_RSTAT_ADMA 0x400 /* DMA is active */ -#define SEEQ_RSTAT_ROVERF 0x800 /* Receive buffer overflow */ - -/* Seeq8003 receive command register */ -#define SEEQ_RCMD_RDISAB 0x000 /* Disable receiver on the Seeq8003 */ -#define SEEQ_RCMD_IOVERF 0x001 /* IRQ on buffer overflows */ -#define SEEQ_RCMD_ICRC 0x002 /* IRQ on CRC errors */ -#define SEEQ_RCMD_IDRIB 0x004 /* IRQ on dribble errors */ -#define SEEQ_RCMD_ISHORT 0x008 /* IRQ on short frames */ -#define SEEQ_RCMD_IEOF 0x010 /* IRQ on end of frame */ -#define SEEQ_RCMD_IGOOD 0x020 /* IRQ on good frames */ -#define SEEQ_RCMD_RANY 0x040 /* Receive any frame */ -#define SEEQ_RCMD_RBCAST 0x080 /* Receive broadcasts */ -#define SEEQ_RCMD_RBMCAST 0x0c0 /* Receive broadcasts/multicasts */ - -/* Seeq8003 transmit status register */ -#define SEEQ_TSTAT_UFLOW 0x001 /* Transmit buffer underflow */ -#define SEEQ_TSTAT_CLS 0x002 /* Collision detected */ -#define SEEQ_TSTAT_R16 0x004 /* Did 16 retries to tx a frame */ -#define SEEQ_TSTAT_PTRANS 0x008 /* Packet was transmitted ok */ -#define SEEQ_TSTAT_LCLS 0x010 /* Late collision occurred */ -#define SEEQ_TSTAT_WHICH 0x080 /* Which status, 1=old 0=new */ -#define SEEQ_TSTAT_TLE 0x100 /* DMA is done in little endian format */ -#define SEEQ_TSTAT_SDMA 0x200 /* DMA has started */ -#define SEEQ_TSTAT_ADMA 0x400 /* DMA is active */ - -/* Seeq8003 transmit command register */ -#define SEEQ_TCMD_RB0 0x00 /* Register bank zero w/station addr */ -#define SEEQ_TCMD_IUF 0x01 /* IRQ on tx underflow */ -#define SEEQ_TCMD_IC 0x02 /* IRQ on collisions */ -#define SEEQ_TCMD_I16 0x04 /* IRQ after 16 failed attempts to tx frame */ -#define SEEQ_TCMD_IPT 0x08 /* IRQ when packet successfully transmitted */ -#define SEEQ_TCMD_RB1 0x20 /* Register bank one w/multi-cast low byte */ -#define SEEQ_TCMD_RB2 0x40 /* Register bank two w/multi-cast high byte */ - -/* Seeq8003 control register */ -#define SEEQ_CTRL_XCNT 0x01 -#define SEEQ_CTRL_ACCNT 0x02 -#define SEEQ_CTRL_SFLAG 0x04 -#define SEEQ_CTRL_EMULTI 0x08 -#define SEEQ_CTRL_ESHORT 0x10 -#define SEEQ_CTRL_ENCARR 0x20 - -/* Seeq8003 control registers on the SGI Hollywood HPC. */ -#define SEEQ_HPIO_P1BITS 0x00000001 /* cycles to stay in P1 phase for PIO */ -#define SEEQ_HPIO_P2BITS 0x00000060 /* cycles to stay in P2 phase for PIO */ -#define SEEQ_HPIO_P3BITS 0x00000100 /* cycles to stay in P3 phase for PIO */ -#define SEEQ_HDMA_D1BITS 0x00000006 /* cycles to stay in D1 phase for DMA */ -#define SEEQ_HDMA_D2BITS 0x00000020 /* cycles to stay in D2 phase for DMA */ -#define SEEQ_HDMA_D3BITS 0x00000000 /* cycles to stay in D3 phase for DMA */ -#define SEEQ_HDMA_TIMEO 0x00030000 /* cycles for DMA timeout */ -#define SEEQ_HCTL_NORM 0x00000000 /* Normal operation mode */ -#define SEEQ_HCTL_RESET 0x00000001 /* Reset Seeq8003 and HPC interface */ -#define SEEQ_HCTL_IPEND 0x00000002 /* IRQ is pending for the chip */ -#define SEEQ_HCTL_IPG 0x00001000 /* Inter-packet gap */ -#define SEEQ_HCTL_RFIX 0x00002000 /* At rxdc, clear end-of-packet */ -#define SEEQ_HCTL_EFIX 0x00004000 /* fixes intr status bit settings */ -#define SEEQ_HCTL_IFIX 0x00008000 /* enable startup timeouts */ - -#endif /* !(_SGISEEQ_H) */ |