diff options
Diffstat (limited to 'drivers/net/macsonic.c')
| -rw-r--r-- | drivers/net/macsonic.c | 538 |
1 files changed, 269 insertions, 269 deletions
diff --git a/drivers/net/macsonic.c b/drivers/net/macsonic.c index be28c65de729..405e18365ede 100644 --- a/drivers/net/macsonic.c +++ b/drivers/net/macsonic.c @@ -1,6 +1,12 @@ /* * macsonic.c * + * (C) 2005 Finn Thain + * + * Converted to DMA API, converted to unified driver model, made it work as + * a module again, and from the mac68k project, introduced more 32-bit cards + * and dhd's support for 16-bit cards. + * * (C) 1998 Alan Cox * * Debugging Andreas Ehliar, Michael Schmitz @@ -26,8 +32,8 @@ */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/types.h> -#include <linux/ctype.h> #include <linux/fcntl.h> #include <linux/interrupt.h> #include <linux/init.h> @@ -41,8 +47,8 @@ #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> -#include <linux/module.h> -#include <linux/bitops.h> +#include <linux/device.h> +#include <linux/dma-mapping.h> #include <asm/bootinfo.h> #include <asm/system.h> @@ -54,25 +60,28 @@ #include <asm/macints.h> #include <asm/mac_via.h> -#define SREGS_PAD(n) u16 n; +static char mac_sonic_string[] = "macsonic"; +static struct platform_device *mac_sonic_device; #include "sonic.h" -#define SONIC_READ(reg) \ - nubus_readl(base_addr+(reg)) -#define SONIC_WRITE(reg,val) \ - nubus_writel((val), base_addr+(reg)) -#define sonic_read(dev, reg) \ - nubus_readl((dev)->base_addr+(reg)) -#define sonic_write(dev, reg, val) \ - nubus_writel((val), (dev)->base_addr+(reg)) - +/* These should basically be bus-size and endian independent (since + the SONIC is at least smart enough that it uses the same endianness + as the host, unlike certain less enlightened Macintosh NICs) */ +#define SONIC_READ(reg) (nubus_readw(dev->base_addr + (reg * 4) \ + + lp->reg_offset)) +#define SONIC_WRITE(reg,val) (nubus_writew(val, dev->base_addr + (reg * 4) \ + + lp->reg_offset)) + +/* use 0 for production, 1 for verification, >1 for debug */ +#ifdef SONIC_DEBUG +static unsigned int sonic_debug = SONIC_DEBUG; +#else +static unsigned int sonic_debug = 1; +#endif -static int sonic_debug; static int sonic_version_printed; -static int reg_offset; - extern int mac_onboard_sonic_probe(struct net_device* dev); extern int mac_nubus_sonic_probe(struct net_device* dev); @@ -108,40 +117,6 @@ enum macsonic_type { #define SONIC_READ_PROM(addr) nubus_readb(prom_addr+addr) -struct net_device * __init macsonic_probe(int unit) -{ - struct net_device *dev = alloc_etherdev(0); - int err; - - if (!dev) - return ERR_PTR(-ENOMEM); - - if (unit >= 0) - sprintf(dev->name, "eth%d", unit); - - SET_MODULE_OWNER(dev); - - /* This will catch fatal stuff like -ENOMEM as well as success */ - err = mac_onboard_sonic_probe(dev); - if (err == 0) - goto found; - if (err != -ENODEV) - goto out; - err = mac_nubus_sonic_probe(dev); - if (err) - goto out; -found: - err = register_netdev(dev); - if (err) - goto out1; - return dev; -out1: - kfree(dev->priv); -out: - free_netdev(dev); - return ERR_PTR(err); -} - /* * For reversing the PROM address */ @@ -160,103 +135,55 @@ static inline void bit_reverse_addr(unsigned char addr[6]) int __init macsonic_init(struct net_device* dev) { - struct sonic_local* lp = NULL; - int i; + struct sonic_local* lp = netdev_priv(dev); /* Allocate the entire chunk of memory for the descriptors. Note that this cannot cross a 64K boundary. */ - for (i = 0; i < 20; i++) { - unsigned long desc_base, desc_top; - if((lp = kmalloc(sizeof(struct sonic_local), GFP_KERNEL | GFP_DMA)) == NULL) { - printk(KERN_ERR "%s: couldn't allocate descriptor buffers\n", dev->name); - return -ENOMEM; - } - - desc_base = (unsigned long) lp; - desc_top = desc_base + sizeof(struct sonic_local); - if ((desc_top & 0xffff) >= (desc_base & 0xffff)) - break; - /* Hmm. try again (FIXME: does this actually work?) */ - kfree(lp); - printk(KERN_DEBUG - "%s: didn't get continguous chunk [%08lx - %08lx], trying again\n", - dev->name, desc_base, desc_top); - } - - if (lp == NULL) { - printk(KERN_ERR "%s: tried 20 times to allocate descriptor buffers, giving up.\n", - dev->name); + if ((lp->descriptors = dma_alloc_coherent(lp->device, + SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + &lp->descriptors_laddr, GFP_KERNEL)) == NULL) { + printk(KERN_ERR "%s: couldn't alloc DMA memory for descriptors.\n", lp->device->bus_id); return -ENOMEM; - } - - dev->priv = lp; - -#if 0 - /* this code is only here as a curiousity... mainly, where the - fuck did SONIC_BUS_SCALE come from, and what was it supposed - to do? the normal allocation works great for 32 bit stuffs.. */ + } /* Now set up the pointers to point to the appropriate places */ - lp->cda = lp->sonic_desc; - lp->tda = lp->cda + (SIZEOF_SONIC_CDA * SONIC_BUS_SCALE(lp->dma_bitmode)); + lp->cda = lp->descriptors; + lp->tda = lp->cda + (SIZEOF_SONIC_CDA + * SONIC_BUS_SCALE(lp->dma_bitmode)); lp->rda = lp->tda + (SIZEOF_SONIC_TD * SONIC_NUM_TDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); + * SONIC_BUS_SCALE(lp->dma_bitmode)); lp->rra = lp->rda + (SIZEOF_SONIC_RD * SONIC_NUM_RDS - * SONIC_BUS_SCALE(lp->dma_bitmode)); + * SONIC_BUS_SCALE(lp->dma_bitmode)); -#endif - - memset(lp, 0, sizeof(struct sonic_local)); - - lp->cda_laddr = (unsigned int)&(lp->cda); - lp->tda_laddr = (unsigned int)lp->tda; - lp->rra_laddr = (unsigned int)lp->rra; - lp->rda_laddr = (unsigned int)lp->rda; - - /* FIXME, maybe we should use skbs */ - if ((lp->rba = (char *) - kmalloc(SONIC_NUM_RRS * SONIC_RBSIZE, GFP_KERNEL | GFP_DMA)) == NULL) { - printk(KERN_ERR "%s: couldn't allocate receive buffers\n", dev->name); - dev->priv = NULL; - kfree(lp); - return -ENOMEM; - } - - lp->rba_laddr = (unsigned int)lp->rba; - - { - int rs, ds; - - /* almost always 12*4096, but let's not take chances */ - rs = ((SONIC_NUM_RRS * SONIC_RBSIZE + 4095) / 4096) * 4096; - /* almost always under a page, but let's not take chances */ - ds = ((sizeof(struct sonic_local) + 4095) / 4096) * 4096; - kernel_set_cachemode(lp->rba, rs, IOMAP_NOCACHE_SER); - kernel_set_cachemode(lp, ds, IOMAP_NOCACHE_SER); - } - -#if 0 - flush_cache_all(); -#endif + lp->cda_laddr = lp->descriptors_laddr; + lp->tda_laddr = lp->cda_laddr + (SIZEOF_SONIC_CDA + * SONIC_BUS_SCALE(lp->dma_bitmode)); + lp->rda_laddr = lp->tda_laddr + (SIZEOF_SONIC_TD * SONIC_NUM_TDS + * SONIC_BUS_SCALE(lp->dma_bitmode)); + lp->rra_laddr = lp->rda_laddr + (SIZEOF_SONIC_RD * SONIC_NUM_RDS + * SONIC_BUS_SCALE(lp->dma_bitmode)); dev->open = sonic_open; dev->stop = sonic_close; dev->hard_start_xmit = sonic_send_packet; dev->get_stats = sonic_get_stats; dev->set_multicast_list = &sonic_multicast_list; + dev->tx_timeout = sonic_tx_timeout; + dev->watchdog_timeo = TX_TIMEOUT; /* * clear tally counter */ - sonic_write(dev, SONIC_CRCT, 0xffff); - sonic_write(dev, SONIC_FAET, 0xffff); - sonic_write(dev, SONIC_MPT, 0xffff); + SONIC_WRITE(SONIC_CRCT, 0xffff); + SONIC_WRITE(SONIC_FAET, 0xffff); + SONIC_WRITE(SONIC_MPT, 0xffff); return 0; } int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) { + struct sonic_local *lp = netdev_priv(dev); const int prom_addr = ONBOARD_SONIC_PROM_BASE; int i; @@ -270,6 +197,7 @@ int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) why this is so. */ if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && + memcmp(dev->dev_addr, "\x00\x80\x19", 3) && memcmp(dev->dev_addr, "\x00\x05\x02", 3)) bit_reverse_addr(dev->dev_addr); else @@ -281,22 +209,23 @@ int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) the card... */ if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && + memcmp(dev->dev_addr, "\x00\x80\x19", 3) && memcmp(dev->dev_addr, "\x00\x05\x02", 3)) { unsigned short val; printk(KERN_INFO "macsonic: PROM seems to be wrong, trying CAM entry 15\n"); - sonic_write(dev, SONIC_CMD, SONIC_CR_RST); - sonic_write(dev, SONIC_CEP, 15); + SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); + SONIC_WRITE(SONIC_CEP, 15); - val = sonic_read(dev, SONIC_CAP2); + val = SONIC_READ(SONIC_CAP2); dev->dev_addr[5] = val >> 8; dev->dev_addr[4] = val & 0xff; - val = sonic_read(dev, SONIC_CAP1); + val = SONIC_READ(SONIC_CAP1); dev->dev_addr[3] = val >> 8; dev->dev_addr[2] = val & 0xff; - val = sonic_read(dev, SONIC_CAP0); + val = SONIC_READ(SONIC_CAP0); dev->dev_addr[1] = val >> 8; dev->dev_addr[0] = val & 0xff; @@ -311,6 +240,7 @@ int __init mac_onboard_sonic_ethernet_addr(struct net_device* dev) if (memcmp(dev->dev_addr, "\x08\x00\x07", 3) && memcmp(dev->dev_addr, "\x00\xA0\x40", 3) && + memcmp(dev->dev_addr, "\x00\x80\x19", 3) && memcmp(dev->dev_addr, "\x00\x05\x02", 3)) { /* @@ -325,8 +255,9 @@ int __init mac_onboard_sonic_probe(struct net_device* dev) { /* Bwahahaha */ static int once_is_more_than_enough; - int i; - int dma_bitmode; + struct sonic_local* lp = netdev_priv(dev); + int sr; + int commslot = 0; if (once_is_more_than_enough) return -ENODEV; @@ -335,20 +266,18 @@ int __init mac_onboard_sonic_probe(struct net_device* dev) if (!MACH_IS_MAC) return -ENODEV; - printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); - if (macintosh_config->ether_type != MAC_ETHER_SONIC) - { - printk("none.\n"); return -ENODEV; - } - + + printk(KERN_INFO "Checking for internal Macintosh ethernet (SONIC).. "); + /* Bogus probing, on the models which may or may not have Ethernet (BTW, the Ethernet *is* always at the same address, and nothing else lives there, at least if Apple's documentation is to be believed) */ if (macintosh_config->ident == MAC_MODEL_Q630 || macintosh_config->ident == MAC_MODEL_P588 || + macintosh_config->ident == MAC_MODEL_P575 || macintosh_config->ident == MAC_MODEL_C610) { unsigned long flags; int card_present; @@ -361,13 +290,13 @@ int __init mac_onboard_sonic_probe(struct net_device* dev) printk("none.\n"); return -ENODEV; } + commslot = 1; } printk("yes\n"); - /* Danger! My arms are flailing wildly! You *must* set this - before using sonic_read() */ - + /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset + * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ dev->base_addr = ONBOARD_SONIC_REGISTERS; if (via_alt_mapping) dev->irq = IRQ_AUTO_3; @@ -379,84 +308,66 @@ int __init mac_onboard_sonic_probe(struct net_device* dev) sonic_version_printed = 1; } printk(KERN_INFO "%s: onboard / comm-slot SONIC at 0x%08lx\n", - dev->name, dev->base_addr); - - /* Now do a song and dance routine in an attempt to determine - the bus width */ + lp->device->bus_id, dev->base_addr); /* The PowerBook's SONIC is 16 bit always. */ if (macintosh_config->ident == MAC_MODEL_PB520) { - reg_offset = 0; - dma_bitmode = 0; - } else if (macintosh_config->ident == MAC_MODEL_C610) { - reg_offset = 0; - dma_bitmode = 1; - } else { + lp->reg_offset = 0; + lp->dma_bitmode = SONIC_BITMODE16; + sr = SONIC_READ(SONIC_SR); + } else if (commslot) { /* Some of the comm-slot cards are 16 bit. But some - of them are not. The 32-bit cards use offset 2 and - pad with zeroes or sometimes ones (I think...) - Therefore, if we try offset 0 and get a silicon - revision of 0, we assume 16 bit. */ - int sr; - - /* Technically this is not necessary since we zeroed - it above */ - reg_offset = 0; - dma_bitmode = 0; - sr = sonic_read(dev, SONIC_SR); - if (sr == 0 || sr == 0xffff) { - reg_offset = 2; - /* 83932 is 0x0004, 83934 is 0x0100 or 0x0101 */ - sr = sonic_read(dev, SONIC_SR); - dma_bitmode = 1; - + of them are not. The 32-bit cards use offset 2 and + have known revisions, we try reading the revision + register at offset 2, if we don't get a known revision + we assume 16 bit at offset 0. */ + lp->reg_offset = 2; + lp->dma_bitmode = SONIC_BITMODE16; + + sr = SONIC_READ(SONIC_SR); + if (sr == 0x0004 || sr == 0x0006 || sr == 0x0100 || sr == 0x0101) + /* 83932 is 0x0004 or 0x0006, 83934 is 0x0100 or 0x0101 */ + lp->dma_bitmode = SONIC_BITMODE32; + else { + lp->dma_bitmode = SONIC_BITMODE16; + lp->reg_offset = 0; + sr = SONIC_READ(SONIC_SR); } - printk(KERN_INFO - "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", - dev->name, sr, dma_bitmode?32:16, reg_offset); + } else { + /* All onboard cards are at offset 2 with 32 bit DMA. */ + lp->reg_offset = 2; + lp->dma_bitmode = SONIC_BITMODE32; + sr = SONIC_READ(SONIC_SR); } - + printk(KERN_INFO + "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", + lp->device->bus_id, sr, lp->dma_bitmode?32:16, lp->reg_offset); - /* this carries my sincere apologies -- by the time I got to updating - the driver, support for "reg_offsets" appeares nowhere in the sonic - code, going back for over a year. Fortunately, my Mac does't seem - to use whatever this was. +#if 0 /* This is sometimes useful to find out how MacOS configured the card. */ + printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id, + SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); +#endif - If you know how this is supposed to be implemented, either fix it, - or contact me (sammy@oh.verio.com) to explain what it is. --Sam */ - - if(reg_offset) { - printk("%s: register offset unsupported. please fix this if you know what it is.\n", dev->name); - return -ENODEV; - } - /* Software reset, then initialize control registers. */ - sonic_write(dev, SONIC_CMD, SONIC_CR_RST); - sonic_write(dev, SONIC_DCR, SONIC_DCR_BMS | - SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_EXBUS | - (dma_bitmode ? SONIC_DCR_DW : 0)); + SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); + + SONIC_WRITE(SONIC_DCR, SONIC_DCR_EXBUS | SONIC_DCR_BMS | + SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | + (lp->dma_bitmode ? SONIC_DCR_DW : 0)); /* This *must* be written back to in order to restore the - extended programmable output bits */ - sonic_write(dev, SONIC_DCR2, 0); + * extended programmable output bits, as it may not have been + * initialised since the hardware reset. */ + SONIC_WRITE(SONIC_DCR2, 0); /* Clear *and* disable interrupts to be on the safe side */ - sonic_write(dev, SONIC_ISR,0x7fff); - sonic_write(dev, SONIC_IMR,0); + SONIC_WRITE(SONIC_IMR, 0); + SONIC_WRITE(SONIC_ISR, 0x7fff); /* Now look for the MAC address. */ if (mac_onboard_sonic_ethernet_addr(dev) != 0) return -ENODEV; - printk(KERN_INFO "MAC "); - for (i = 0; i < 6; i++) { - printk("%2.2x", dev->dev_addr[i]); - if (i < 5) - printk(":"); - } - - printk(" IRQ %d\n", dev->irq); - /* Shared init code */ return macsonic_init(dev); } @@ -468,8 +379,10 @@ int __init mac_nubus_sonic_ethernet_addr(struct net_device* dev, int i; for(i = 0; i < 6; i++) dev->dev_addr[i] = SONIC_READ_PROM(i); - /* For now we are going to assume that they're all bit-reversed */ - bit_reverse_addr(dev->dev_addr); + + /* Some of the addresses are bit-reversed */ + if (id != MACSONIC_DAYNA) + bit_reverse_addr(dev->dev_addr); return 0; } @@ -487,6 +400,15 @@ int __init macsonic_ident(struct nubus_dev* ndev) else return MACSONIC_APPLE; } + + if (ndev->dr_hw == NUBUS_DRHW_SMC9194 && + ndev->dr_sw == NUBUS_DRSW_DAYNA) + return MACSONIC_DAYNA; + + if (ndev->dr_hw == NUBUS_DRHW_SONIC_LC && + ndev->dr_sw == 0) { /* huh? */ + return MACSONIC_APPLE16; + } return -1; } @@ -494,12 +416,12 @@ int __init mac_nubus_sonic_probe(struct net_device* dev) { static int slots; struct nubus_dev* ndev = NULL; + struct sonic_local* lp = netdev_priv(dev); unsigned long base_addr, prom_addr; u16 sonic_dcr; - int id; - int i; - int dma_bitmode; - + int id = -1; + int reg_offset, dma_bitmode; + /* Find the first SONIC that hasn't been initialized already */ while ((ndev = nubus_find_type(NUBUS_CAT_NETWORK, NUBUS_TYPE_ETHERNET, ndev)) != NULL) @@ -521,51 +443,52 @@ int __init mac_nubus_sonic_probe(struct net_device* dev) case MACSONIC_DUODOCK: base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS; prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE; - sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 - | SONIC_DCR_TFT0; + sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 | + SONIC_DCR_TFT0; reg_offset = 2; - dma_bitmode = 1; + dma_bitmode = SONIC_BITMODE32; break; case MACSONIC_APPLE: base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0; reg_offset = 0; - dma_bitmode = 1; + dma_bitmode = SONIC_BITMODE32; break; case MACSONIC_APPLE16: base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE; - sonic_dcr = SONIC_DCR_EXBUS - | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 - | SONIC_DCR_PO1 | SONIC_DCR_BMS; + sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | + SONIC_DCR_PO1 | SONIC_DCR_BMS; reg_offset = 0; - dma_bitmode = 0; + dma_bitmode = SONIC_BITMODE16; break; case MACSONIC_DAYNALINK: base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS; prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE; - sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 - | SONIC_DCR_PO1 | SONIC_DCR_BMS; + sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | + SONIC_DCR_PO1 | SONIC_DCR_BMS; reg_offset = 0; - dma_bitmode = 0; + dma_bitmode = SONIC_BITMODE16; break; case MACSONIC_DAYNA: base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS; prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR; - sonic_dcr = SONIC_DCR_BMS - | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; + sonic_dcr = SONIC_DCR_BMS | + SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1; reg_offset = 0; - dma_bitmode = 0; + dma_bitmode = SONIC_BITMODE16; break; default: printk(KERN_ERR "macsonic: WTF, id is %d\n", id); return -ENODEV; } - /* Danger! My arms are flailing wildly! You *must* set this - before using sonic_read() */ + /* Danger! My arms are flailing wildly! You *must* set lp->reg_offset + * and dev->base_addr before using SONIC_READ() or SONIC_WRITE() */ dev->base_addr = base_addr; + lp->reg_offset = reg_offset; + lp->dma_bitmode = dma_bitmode; dev->irq = SLOT2IRQ(ndev->board->slot); if (!sonic_version_printed) { @@ -573,29 +496,66 @@ int __init mac_nubus_sonic_probe(struct net_device* dev) sonic_version_printed = 1; } printk(KERN_INFO "%s: %s in slot %X\n", - dev->name, ndev->board->name, ndev->board->slot); + lp->device->bus_id, ndev->board->name, ndev->board->slot); printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n", - dev->name, sonic_read(dev, SONIC_SR), dma_bitmode?32:16, reg_offset); + lp->device->bus_id, SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset); - if(reg_offset) { - printk("%s: register offset unsupported. please fix this if you know what it is.\n", dev->name); - return -ENODEV; - } +#if 0 /* This is sometimes useful to find out how MacOS configured the card. */ + printk(KERN_INFO "%s: DCR: 0x%04x, DCR2: 0x%04x\n", lp->device->bus_id, + SONIC_READ(SONIC_DCR) & 0xffff, SONIC_READ(SONIC_DCR2) & 0xffff); +#endif /* Software reset, then initialize control registers. */ - sonic_write(dev, SONIC_CMD, SONIC_CR_RST); - sonic_write(dev, SONIC_DCR, sonic_dcr - | (dma_bitmode ? SONIC_DCR_DW : 0)); + SONIC_WRITE(SONIC_CMD, SONIC_CR_RST); + SONIC_WRITE(SONIC_DCR, sonic_dcr | (dma_bitmode ? SONIC_DCR_DW : 0)); + /* This *must* be written back to in order to restore the + * extended programmable output bits, since it may not have been + * initialised since the hardware reset. */ + SONIC_WRITE(SONIC_DCR2, 0); /* Clear *and* disable interrupts to be on the safe side */ - sonic_write(dev, SONIC_ISR,0x7fff); - sonic_write(dev, SONIC_IMR,0); + SONIC_WRITE(SONIC_IMR, 0); + SONIC_WRITE(SONIC_ISR, 0x7fff); /* Now look for the MAC address. */ if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0) return -ENODEV; - printk(KERN_INFO "MAC "); + /* Shared init code */ + return macsonic_init(dev); +} + +static int __init mac_sonic_probe(struct device *device) +{ + struct net_device *dev; + struct sonic_local *lp; + int err; + int i; + + dev = alloc_etherdev(sizeof(struct sonic_local)); + if (!dev) + return -ENOMEM; + + lp = netdev_priv(dev); + lp->device = device; + SET_NETDEV_DEV(dev, device); + SET_MODULE_OWNER(dev); + + /* This will catch fatal stuff like -ENOMEM as well as success */ + err = mac_onboard_sonic_probe(dev); + if (err == 0) + goto found; + if (err != -ENODEV) + goto out; + err = mac_nubus_sonic_probe(dev); + if (err) + goto out; +found: + err = register_netdev(dev); + if (err) + goto out; + + printk("%s: MAC ", dev->name); for (i = 0; i < 6; i++) { printk("%2.2x", dev->dev_addr[i]); if (i < 5) @@ -603,55 +563,95 @@ int __init mac_nubus_sonic_probe(struct net_device* dev) } printk(" IRQ %d\n", dev->irq); - /* Shared init code */ - return macsonic_init(dev); -} + return 0; -#ifdef MODULE -static struct net_device *dev_macsonic; +out: + free_netdev(dev); -MODULE_PARM(sonic_debug, "i"); + return err; +} + +MODULE_DESCRIPTION("Macintosh SONIC ethernet driver"); +module_param(sonic_debug, int, 0); MODULE_PARM_DESC(sonic_debug, "macsonic debug level (1-4)"); -int -init_module(void) +#define SONIC_IRQ_FLAG IRQ_FLG_FAST + +#include "sonic.c" + +static int __devexit mac_sonic_device_remove (struct device *device) { - dev_macsonic = macsonic_probe(-1); - if (IS_ERR(dev_macsonic)) { - printk(KERN_WARNING "macsonic.c: No card found\n"); - return PTR_ERR(dev_macsonic); - } + struct net_device *dev = device->driver_data; + struct sonic_local* lp = netdev_priv(dev); + + unregister_netdev (dev); + dma_free_coherent(lp->device, SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode), + lp->descriptors, lp->descriptors_laddr); + free_netdev (dev); + return 0; } -void -cleanup_module(void) +static struct device_driver mac_sonic_driver = { + .name = mac_sonic_string, + .bus = &platform_bus_type, + .probe = mac_sonic_probe, + .remove = __devexit_p(mac_sonic_device_remove), +}; + +static void mac_sonic_platform_release(struct device *device) { - unregister_netdev(dev_macsonic); - kfree(dev_macsonic->priv); - free_netdev(dev_macsonic); + struct platform_device *pldev; + + /* free device */ + pldev = to_platform_device (device); + kfree (pldev); } -#endif /* MODULE */ +static int __init mac_sonic_init_module(void) +{ + struct platform_device *pldev; + int err; -#define vdma_alloc(foo, bar) ((u32)foo) -#define vdma_free(baz) -#define sonic_chiptomem(bat) (bat) -#define PHYSADDR(quux) (quux) -#define CPHYSADDR(quux) (quux) + if ((err = driver_register(&mac_sonic_driver))) { + printk(KERN_ERR "Driver registration failed\n"); + return err; + } -#define sonic_request_irq request_irq -#define sonic_free_irq free_irq + mac_sonic_device = NULL; -#include "sonic.c" + if (!(pldev = kmalloc (sizeof (*pldev), GFP_KERNEL))) { + goto out_unregister; + } -/* - * Local variables: - * compile-command: "m68k-linux-gcc -D__KERNEL__ -I../../include -Wall -Wstrict-prototypes -O2 -fomit-frame-pointer -pipe -fno-strength-reduce -ffixed-a2 -DMODULE -DMODVERSIONS -include ../../include/linux/modversions.h -c -o macsonic.o macsonic.c" - * version-control: t - * kept-new-versions: 5 - * c-indent-level: 8 - * tab-width: 8 - * End: - * - */ + memset(pldev, 0, sizeof (*pldev)); + pldev->name = mac_sonic_string; + pldev->id = 0; + pldev->dev.release = mac_sonic_platform_release; + mac_sonic_device = pldev; + + if (platform_device_register (pldev)) { + kfree(pldev); + mac_sonic_device = NULL; + } + + return 0; + +out_unregister: + platform_device_unregister(pldev); + + return -ENOMEM; +} + +static void __exit mac_sonic_cleanup_module(void) +{ + driver_unregister(&mac_sonic_driver); + + if (mac_sonic_device) { + platform_device_unregister(mac_sonic_device); + mac_sonic_device = NULL; + } +} + +module_init(mac_sonic_init_module); +module_exit(mac_sonic_cleanup_module); |
