diff options
Diffstat (limited to 'drivers/net/ethernet')
| -rw-r--r-- | drivers/net/ethernet/cirrus/cs89x0.c | 452 |
1 files changed, 272 insertions, 180 deletions
diff --git a/drivers/net/ethernet/cirrus/cs89x0.c b/drivers/net/ethernet/cirrus/cs89x0.c index b6120400d080..6e5b2c79340f 100644 --- a/drivers/net/ethernet/cirrus/cs89x0.c +++ b/drivers/net/ethernet/cirrus/cs89x0.c @@ -67,8 +67,8 @@ #include <linux/bitops.h> #include <linux/delay.h> #include <linux/gfp.h> +#include <linux/io.h> -#include <asm/io.h> #include <asm/irq.h> #include <linux/atomic.h> #if ALLOW_DMA @@ -78,7 +78,7 @@ #include "cs89x0.h" static char version[] __initdata = - "cs89x0.c: v2.4.3-pre1 Russell Nelson <nelson@crynwr.com>, Andrew Morton\n"; + "v2.4.3-pre1 Russell Nelson <nelson@crynwr.com>, Andrew Morton\n"; #define DRV_NAME "cs89x0" @@ -97,17 +97,29 @@ static char version[] __initdata = */ #if defined(CONFIG_MACH_IXDP2351) #define CS89x0_NONISA_IRQ -static unsigned int netcard_portlist[] __used __initdata = {IXDP2351_VIRT_CS8900_BASE, 0}; -static unsigned int cs8900_irq_map[] = {IRQ_IXDP2351_CS8900, 0, 0, 0}; +static unsigned int netcard_portlist[] __used __initdata = { + IXDP2351_VIRT_CS8900_BASE, 0 +}; +static unsigned int cs8900_irq_map[] = { + IRQ_IXDP2351_CS8900, 0, 0, 0 +}; #elif defined(CONFIG_ARCH_IXDP2X01) #define CS89x0_NONISA_IRQ -static unsigned int netcard_portlist[] __used __initdata = {IXDP2X01_CS8900_VIRT_BASE, 0}; -static unsigned int cs8900_irq_map[] = {IRQ_IXDP2X01_CS8900, 0, 0, 0}; +static unsigned int netcard_portlist[] __used __initdata = { + IXDP2X01_CS8900_VIRT_BASE, 0 +}; +static unsigned int cs8900_irq_map[] = { + IRQ_IXDP2X01_CS8900, 0, 0, 0 +}; #else #ifndef CONFIG_CS89x0_PLATFORM -static unsigned int netcard_portlist[] __used __initdata = -{ 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0}; -static unsigned int cs8900_irq_map[] = {10, 11, 12, 5}; +static unsigned int netcard_portlist[] __used __initdata = { + 0x300, 0x320, 0x340, 0x360, 0x200, 0x220, 0x240, + 0x260, 0x280, 0x2a0, 0x2c0, 0x2e0, 0 +}; +static unsigned int cs8900_irq_map[] = { + 10, 11, 12, 5 +}; #endif #endif @@ -201,9 +213,13 @@ static int g_cs89x0_media__force; static int __init media_fn(char *str) { - if (!strcmp(str, "rj45")) g_cs89x0_media__force = FORCE_RJ45; - else if (!strcmp(str, "aui")) g_cs89x0_media__force = FORCE_AUI; - else if (!strcmp(str, "bnc")) g_cs89x0_media__force = FORCE_BNC; + if (!strcmp(str, "rj45")) + g_cs89x0_media__force = FORCE_RJ45; + else if (!strcmp(str, "aui")) + g_cs89x0_media__force = FORCE_AUI; + else if (!strcmp(str, "bnc")) + g_cs89x0_media__force = FORCE_BNC; + return 1; } @@ -299,16 +315,21 @@ get_eeprom_data(struct net_device *dev, int off, int len, int *buffer) { int i; - if (net_debug > 3) printk("EEPROM data from %x for %x:\n", off, len); + if (net_debug > 3) + printk("EEPROM data from %x for %x:\n", off, len); for (i = 0; i < len; i++) { - if (wait_eeprom_ready(dev) < 0) return -1; + if (wait_eeprom_ready(dev) < 0) + return -1; /* Now send the EEPROM read command and EEPROM location to read */ writereg(dev, PP_EECMD, (off + i) | EEPROM_READ_CMD); - if (wait_eeprom_ready(dev) < 0) return -1; + if (wait_eeprom_ready(dev) < 0) + return -1; buffer[i] = readreg(dev, PP_EEData); - if (net_debug > 3) printk("%04x ", buffer[i]); + if (net_debug > 3) + printk("%04x ", buffer[i]); } - if (net_debug > 3) printk("\n"); + if (net_debug > 3) + printk("\n"); return 0; } @@ -364,7 +385,6 @@ static int __init cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) { struct net_local *lp = netdev_priv(dev); - static unsigned version_printed; int i; int tmp; unsigned rev_type = 0; @@ -415,8 +435,8 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) if (lp->chip_type != CS8900 && lp->chip_revision >= 'C') lp->send_cmd = TX_NOW; - if (net_debug && version_printed++ == 0) - printk(version); + if (net_debug) + printk_once(version); pr_info("%s: cs89%c0%s rev %c found at %p ", dev->name, @@ -436,7 +456,7 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) */ if ((readreg(dev, PP_SelfST) & (EEPROM_OK | EEPROM_PRESENT)) == - (EEPROM_OK|EEPROM_PRESENT)) { + (EEPROM_OK | EEPROM_PRESENT)) { /* Load the MAC. */ for (i = 0; i < ETH_ALEN / 2; i++) { unsigned int Addr; @@ -507,12 +527,14 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) */ /* get transmission control word but keep the autonegotiation bits */ - if (!lp->auto_neg_cnf) lp->auto_neg_cnf = eeprom_buff[AUTO_NEG_CNF_OFFSET/2]; + if (!lp->auto_neg_cnf) + lp->auto_neg_cnf = eeprom_buff[AUTO_NEG_CNF_OFFSET / 2]; /* Store adapter configuration */ - if (!lp->adapter_cnf) lp->adapter_cnf = eeprom_buff[ADAPTER_CNF_OFFSET/2]; + if (!lp->adapter_cnf) + lp->adapter_cnf = eeprom_buff[ADAPTER_CNF_OFFSET / 2]; /* Store ISA configuration */ - lp->isa_config = eeprom_buff[ISA_CNF_OFFSET/2]; - dev->mem_start = eeprom_buff[PACKET_PAGE_OFFSET/2] << 8; + lp->isa_config = eeprom_buff[ISA_CNF_OFFSET / 2]; + dev->mem_start = eeprom_buff[PACKET_PAGE_OFFSET / 2] << 8; /* eeprom_buff has 32-bit ints, so we can't just memcpy it */ /* store the initial memory base address */ @@ -528,13 +550,26 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) /* allow them to force multiple transceivers. If they force multiple, autosense */ { int count = 0; - if (lp->force & FORCE_RJ45) {lp->adapter_cnf |= A_CNF_10B_T; count++; } - if (lp->force & FORCE_AUI) {lp->adapter_cnf |= A_CNF_AUI; count++; } - if (lp->force & FORCE_BNC) {lp->adapter_cnf |= A_CNF_10B_2; count++; } - if (count > 1) {lp->adapter_cnf |= A_CNF_MEDIA_AUTO; } - else if (lp->force & FORCE_RJ45){lp->adapter_cnf |= A_CNF_MEDIA_10B_T; } - else if (lp->force & FORCE_AUI) {lp->adapter_cnf |= A_CNF_MEDIA_AUI; } - else if (lp->force & FORCE_BNC) {lp->adapter_cnf |= A_CNF_MEDIA_10B_2; } + if (lp->force & FORCE_RJ45) { + lp->adapter_cnf |= A_CNF_10B_T; + count++; + } + if (lp->force & FORCE_AUI) { + lp->adapter_cnf |= A_CNF_AUI; + count++; + } + if (lp->force & FORCE_BNC) { + lp->adapter_cnf |= A_CNF_10B_2; + count++; + } + if (count > 1) + lp->adapter_cnf |= A_CNF_MEDIA_AUTO; + else if (lp->force & FORCE_RJ45) + lp->adapter_cnf |= A_CNF_MEDIA_10B_T; + else if (lp->force & FORCE_AUI) + lp->adapter_cnf |= A_CNF_MEDIA_AUI; + else if (lp->force & FORCE_BNC) + lp->adapter_cnf |= A_CNF_MEDIA_10B_2; } if (net_debug > 1) @@ -584,7 +619,8 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) IRQ_MAP_LEN / 2, irq_map_buff) >= 0) { if ((irq_map_buff[0] & 0xff) == PNP_IRQ_FRMT) - lp->irq_map = (irq_map_buff[0] >> 8) | (irq_map_buff[1] << 8); + lp->irq_map = ((irq_map_buff[0] >> 8) | + (irq_map_buff[1] << 8)); } #endif } @@ -599,20 +635,16 @@ cs89x0_probe1(struct net_device *dev, void __iomem *ioaddr, int modular) if (lp->use_dma) { get_dma_channel(dev); printk(", DMA %d", dev->dma); - } - else + } else #endif - { printk(", programmed I/O"); - } /* print the ethernet address. */ - printk(", MAC %pM", dev->dev_addr); + printk(", MAC %pM\n", dev->dev_addr); dev->netdev_ops = &net_ops; dev->watchdog_timeo = HZ; - printk("\n"); if (net_debug) printk("cs89x0_probe1() successful\n"); @@ -663,7 +695,7 @@ cs89x0_ioport_probe(struct net_device *dev, unsigned long ioport, int modular) if (ioport & 1) { if (net_debug > 1) pr_info("%s: odd ioaddr 0x%lx\n", dev->name, ioport); - if ((ioport & 2) != 2) + if ((ioport & 2) != 2) { if ((ioread16(io_mem + ADD_PORT) & ADD_MASK) != ADD_SIG) { pr_err("%s: bad signature 0x%x\n", @@ -671,6 +703,7 @@ cs89x0_ioport_probe(struct net_device *dev, unsigned long ioport, int modular) ret = -ENODEV; goto unmap; } + } } ret = cs89x0_probe1(dev, io_mem, modular); @@ -742,7 +775,7 @@ out: #if ALLOW_DMA -#define dma_page_eq(ptr1, ptr2) ((long)(ptr1)>>17 == (long)(ptr2)>>17) +#define dma_page_eq(ptr1, ptr2) ((long)(ptr1) >> 17 == (long)(ptr2) >> 17) static void get_dma_channel(struct net_device *dev) @@ -771,11 +804,10 @@ write_dma(struct net_device *dev, int chip_type, int dma) struct net_local *lp = netdev_priv(dev); if ((lp->isa_config & ANY_ISA_DMA) == 0) return; - if (chip_type == CS8900) { - writereg(dev, PP_CS8900_ISADMA, dma-5); - } else { + if (chip_type == CS8900) + writereg(dev, PP_CS8900_ISADMA, dma - 5); + else writereg(dev, PP_CS8920_ISADMA, dma); - } } static void @@ -836,8 +868,8 @@ dma_rx(struct net_device *dev) int status, length; unsigned char *bp = lp->rx_dma_ptr; - status = bp[0] + (bp[1]<<8); - length = bp[2] + (bp[3]<<8); + status = bp[0] + (bp[1] << 8); + length = bp[2] + (bp[3] << 8); bp += 4; if (net_debug > 5) { printk("%s: receiving DMA packet at %lx, status %x, length %x\n", @@ -852,13 +884,15 @@ dma_rx(struct net_device *dev) skb = netdev_alloc_skb(dev, length + 2); if (skb == NULL) { if (net_debug) /* I don't think we want to do this to a stressed system */ - printk("%s: Memory squeeze, dropping packet.\n", dev->name); + printk("%s: Memory squeeze, dropping packet\n", + dev->name); dev->stats.rx_dropped++; /* AKPM: advance bp to the next frame */ skip_this_frame: bp += (length + 3) & ~3; - if (bp >= lp->end_dma_buff) bp -= lp->dmasize*1024; + if (bp >= lp->end_dma_buff) + bp -= lp->dmasize * 1024; lp->rx_dma_ptr = bp; return; } @@ -873,13 +907,15 @@ skip_this_frame: memcpy(skb_put(skb, length), bp, length); } bp += (length + 3) & ~3; - if (bp >= lp->end_dma_buff) bp -= lp->dmasize*1024; + if (bp >= lp->end_dma_buff) + bp -= lp->dmasize*1024; lp->rx_dma_ptr = bp; if (net_debug > 3) { printk("%s: received %d byte DMA packet of type %x\n", dev->name, length, - (skb->data[ETH_ALEN + ETH_ALEN] << 8) | skb->data[ETH_ALEN + ETH_ALEN + 1]); + ((skb->data[ETH_ALEN + ETH_ALEN] << 8) | + skb->data[ETH_ALEN + ETH_ALEN + 1])); } skb->protocol = eth_type_trans(skb, dev); netif_rx(skb); @@ -919,7 +955,8 @@ static void __init reset_chip(struct net_device *dev) /* Wait until the chip is reset */ reset_start_time = jiffies; - while ((readreg(dev, PP_SelfST) & INIT_DONE) == 0 && jiffies - reset_start_time < 2) + while ((readreg(dev, PP_SelfST) & INIT_DONE) == 0 && + jiffies - reset_start_time < 2) ; #endif /* !CONFIG_MACH_MX31ADS */ } @@ -932,8 +969,9 @@ control_dc_dc(struct net_device *dev, int on_not_off) unsigned int selfcontrol; int timenow = jiffies; /* control the DC to DC convertor in the SelfControl register. - Note: This is hooked up to a general purpose pin, might not - always be a DC to DC convertor. */ + * Note: This is hooked up to a general purpose pin, might not + * always be a DC to DC convertor. + */ selfcontrol = HCB1_ENBL; /* Enable the HCB1 bit as an output */ if (((lp->adapter_cnf & A_CNF_DC_DC_POLARITY) != 0) ^ on_not_off) @@ -960,18 +998,23 @@ detect_tp(struct net_device *dev) int timenow = jiffies; int fdx; - if (net_debug > 1) printk("%s: Attempting TP\n", dev->name); - - /* If connected to another full duplex capable 10-Base-T card the link pulses - seem to be lost when the auto detect bit in the LineCTL is set. - To overcome this the auto detect bit will be cleared whilst testing the - 10-Base-T interface. This would not be necessary for the sparrow chip but - is simpler to do it anyway. */ + if (net_debug > 1) + printk("%s: Attempting TP\n", dev->name); + + /* If connected to another full duplex capable 10-Base-T card + * the link pulses seem to be lost when the auto detect bit in + * the LineCTL is set. To overcome this the auto detect bit will + * be cleared whilst testing the 10-Base-T interface. This would + * not be necessary for the sparrow chip but is simpler to do it + * anyway. + */ writereg(dev, PP_LineCTL, lp->linectl & ~AUI_ONLY); control_dc_dc(dev, 0); - /* Delay for the hardware to work out if the TP cable is present - 150ms */ - for (timenow = jiffies; jiffies - timenow < 15; ) + /* Delay for the hardware to work out if the TP cable is present + * - 150ms + */ + for (timenow = jiffies; jiffies - timenow < 15;) ; if ((readreg(dev, PP_LineST) & LINK_OK) == 0) return DETECTED_NONE; @@ -991,7 +1034,8 @@ detect_tp(struct net_device *dev) case FORCE_HALF: break; case FORCE_FULL: - writereg(dev, PP_TestCTL, readreg(dev, PP_TestCTL) | FDX_8900); + writereg(dev, PP_TestCTL, + readreg(dev, PP_TestCTL) | FDX_8900); break; } fdx = readreg(dev, PP_TestCTL) & FDX_8900; @@ -1032,10 +1076,12 @@ static int send_test_pkt(struct net_device *dev) { struct net_local *lp = netdev_priv(dev); - char test_packet[] = { 0,0,0,0,0,0, 0,0,0,0,0,0, - 0, 46, /* A 46 in network order */ - 0, 0, /* DSAP=0 & SSAP=0 fields */ - 0xf3, 0 /* Control (Test Req + P bit set) */ }; + char test_packet[] = { + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 0, 46, /* A 46 in network order */ + 0, 0, /* DSAP=0 & SSAP=0 fields */ + 0xf3, 0 /* Control (Test Req + P bit set) */ + }; long timenow = jiffies; writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) | SERIAL_TX_ON); @@ -1054,17 +1100,20 @@ send_test_pkt(struct net_device *dev) return 0; /* this shouldn't happen */ /* Write the contents of the packet */ - writewords(lp, TX_FRAME_PORT, test_packet, (ETH_ZLEN+1) >> 1); + writewords(lp, TX_FRAME_PORT, test_packet, (ETH_ZLEN + 1) >> 1); - if (net_debug > 1) printk("Sending test packet "); + if (net_debug > 1) + printk("Sending test packet "); /* wait a couple of jiffies for packet to be received */ - for (timenow = jiffies; jiffies - timenow < 3; ) + for (timenow = jiffies; jiffies - timenow < 3;) ; if ((readreg(dev, PP_TxEvent) & TX_SEND_OK_BITS) == TX_OK) { - if (net_debug > 1) printk("succeeded\n"); + if (net_debug > 1) + printk("succeeded\n"); return 1; } - if (net_debug > 1) printk("failed\n"); + if (net_debug > 1) + printk("failed\n"); return 0; } @@ -1074,7 +1123,8 @@ detect_aui(struct net_device *dev) { struct net_local *lp = netdev_priv(dev); - if (net_debug > 1) printk("%s: Attempting AUI\n", dev->name); + if (net_debug > 1) + printk("%s: Attempting AUI\n", dev->name); control_dc_dc(dev, 0); writereg(dev, PP_LineCTL, (lp->linectl & ~AUTO_AUI_10BASET) | AUI_ONLY); @@ -1090,7 +1140,8 @@ detect_bnc(struct net_device *dev) { struct net_local *lp = netdev_priv(dev); - if (net_debug > 1) printk("%s: Attempting BNC\n", dev->name); + if (net_debug > 1) + printk("%s: Attempting BNC\n", dev->name); control_dc_dc(dev, 1); writereg(dev, PP_LineCTL, (lp->linectl & ~AUTO_AUI_10BASET) | AUI_ONLY); @@ -1155,7 +1206,8 @@ net_open(struct net_device *dev) for (i = 2; i < CS8920_NO_INTS; i++) { if ((1 << i) & lp->irq_map) { - if (request_irq(i, net_interrupt, 0, dev->name, dev) == 0) { + if (request_irq(i, net_interrupt, 0, dev->name, + dev) == 0) { dev->irq = i; write_irq(dev, lp->chip_type, i); /* writereg(dev, PP_BufCFG, GENERATE_SW_INTERRUPT); */ @@ -1170,9 +1222,7 @@ net_open(struct net_device *dev) ret = -EAGAIN; goto bad_out; } - } - else - { + } else { #if !defined(CS89x0_NONISA_IRQ) && !defined(CONFIG_CS89x0_PLATFORM) if (((1 << dev->irq) & lp->irq_map) == 0) { pr_err("%s: IRQ %d is not in our map of allowable IRQs, which is %x\n", @@ -1196,69 +1246,78 @@ net_open(struct net_device *dev) } #if ALLOW_DMA - if (lp->use_dma) { - if (lp->isa_config & ANY_ISA_DMA) { - unsigned long flags; - lp->dma_buff = (unsigned char *)__get_dma_pages(GFP_KERNEL, - get_order(lp->dmasize * 1024)); - - if (!lp->dma_buff) { - pr_err("%s: cannot get %dK memory for DMA\n", - dev->name, lp->dmasize); - goto release_irq; - } - if (net_debug > 1) { - printk("%s: dma %lx %lx\n", - dev->name, - (unsigned long)lp->dma_buff, - (unsigned long)isa_virt_to_bus(lp->dma_buff)); - } - if ((unsigned long) lp->dma_buff >= MAX_DMA_ADDRESS || - !dma_page_eq(lp->dma_buff, lp->dma_buff+lp->dmasize*1024-1)) { - pr_err("%s: not usable as DMA buffer\n", - dev->name); - goto release_irq; - } - memset(lp->dma_buff, 0, lp->dmasize * 1024); /* Why? */ - if (request_dma(dev->dma, dev->name)) { - pr_err("%s: cannot get dma channel %d\n", - dev->name, dev->dma); - goto release_irq; - } - write_dma(dev, lp->chip_type, dev->dma); - lp->rx_dma_ptr = lp->dma_buff; - lp->end_dma_buff = lp->dma_buff + lp->dmasize*1024; - spin_lock_irqsave(&lp->lock, flags); - disable_dma(dev->dma); - clear_dma_ff(dev->dma); - set_dma_mode(dev->dma, DMA_RX_MODE); /* auto_init as well */ - set_dma_addr(dev->dma, isa_virt_to_bus(lp->dma_buff)); - set_dma_count(dev->dma, lp->dmasize*1024); - enable_dma(dev->dma); - spin_unlock_irqrestore(&lp->lock, flags); + if (lp->use_dma && (lp->isa_config & ANY_ISA_DMA)) { + unsigned long flags; + lp->dma_buff = (unsigned char *)__get_dma_pages(GFP_KERNEL, + get_order(lp->dmasize * 1024)); + if (!lp->dma_buff) { + pr_err("%s: cannot get %dK memory for DMA\n", + dev->name, lp->dmasize); + goto release_irq; + } + if (net_debug > 1) { + printk("%s: dma %lx %lx\n", + dev->name, + (unsigned long)lp->dma_buff, + (unsigned long)isa_virt_to_bus(lp->dma_buff)); + } + if ((unsigned long)lp->dma_buff >= MAX_DMA_ADDRESS || + !dma_page_eq(lp->dma_buff, + lp->dma_buff + lp->dmasize * 1024 - 1)) { + pr_err("%s: not usable as DMA buffer\n", dev->name); + goto release_irq; } + memset(lp->dma_buff, 0, lp->dmasize * 1024); /* Why? */ + if (request_dma(dev->dma, dev->name)) { + pr_err("%s: cannot get dma channel %d\n", + dev->name, dev->dma); + goto release_irq; + } + write_dma(dev, lp->chip_type, dev->dma); + lp->rx_dma_ptr = lp->dma_buff; + lp->end_dma_buff = lp->dma_buff + lp->dmasize * 1024; + spin_lock_irqsave(&lp->lock, flags); + disable_dma(dev->dma); + clear_dma_ff(dev->dma); + set_dma_mode(dev->dma, DMA_RX_MODE); /* auto_init as well */ + set_dma_addr(dev->dma, isa_virt_to_bus(lp->dma_buff)); + set_dma_count(dev->dma, lp->dmasize * 1024); + enable_dma(dev->dma); + spin_unlock_irqrestore(&lp->lock, flags); } #endif /* ALLOW_DMA */ /* set the Ethernet address */ for (i = 0; i < ETH_ALEN / 2; i++) - writereg(dev, PP_IA + i * 2, dev->dev_addr[i * 2] | (dev->dev_addr[i * 2 + 1] << 8)); + writereg(dev, PP_IA + i * 2, + (dev->dev_addr[i * 2] | + (dev->dev_addr[i * 2 + 1] << 8))); /* while we're testing the interface, leave interrupts disabled */ writereg(dev, PP_BusCTL, MEMORY_ON); /* Set the LineCTL quintuplet based on adapter configuration read from EEPROM */ - if ((lp->adapter_cnf & A_CNF_EXTND_10B_2) && (lp->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) + if ((lp->adapter_cnf & A_CNF_EXTND_10B_2) && + (lp->adapter_cnf & A_CNF_LOW_RX_SQUELCH)) lp->linectl = LOW_RX_SQUELCH; else lp->linectl = 0; /* check to make sure that they have the "right" hardware available */ switch (lp->adapter_cnf & A_CNF_MEDIA_TYPE) { - case A_CNF_MEDIA_10B_T: result = lp->adapter_cnf & A_CNF_10B_T; break; - case A_CNF_MEDIA_AUI: result = lp->adapter_cnf & A_CNF_AUI; break; - case A_CNF_MEDIA_10B_2: result = lp->adapter_cnf & A_CNF_10B_2; break; - default: result = lp->adapter_cnf & (A_CNF_10B_T | A_CNF_AUI | A_CNF_10B_2); + case A_CNF_MEDIA_10B_T: + result = lp->adapter_cnf & A_CNF_10B_T; + break; + case A_CNF_MEDIA_AUI: + result = lp->adapter_cnf & A_CNF_AUI; + break; + case A_CNF_MEDIA_10B_2: + result = lp->adapter_cnf & A_CNF_10B_2; + break; + default: + result = lp->adapter_cnf & (A_CNF_10B_T | + A_CNF_AUI | + A_CNF_10B_2); } if (!result) { pr_err("%s: EEPROM is configured for unavailable media\n", @@ -1269,7 +1328,8 @@ release_dma: release_irq: release_dma_buff(lp); #endif - writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) & ~(SERIAL_TX_ON | SERIAL_RX_ON)); + writereg(dev, PP_LineCTL, + readreg(dev, PP_LineCTL) & ~(SERIAL_TX_ON | SERIAL_RX_ON)); free_irq(dev->irq, dev); ret = -EAGAIN; goto bad_out; @@ -1304,15 +1364,21 @@ release_irq: break; case A_CNF_MEDIA_AUTO: writereg(dev, PP_LineCTL, lp->linectl | AUTO_AUI_10BASET); - if (lp->adapter_cnf & A_CNF_10B_T) - if ((result = detect_tp(dev)) != DETECTED_NONE) + if (lp->adapter_cnf & A_CNF_10B_T) { + result = detect_tp(dev); + if (result != DETECTED_NONE) break; - if (lp->adapter_cnf & A_CNF_AUI) - if ((result = detect_aui(dev)) != DETECTED_NONE) + } + if (lp->adapter_cnf & A_CNF_AUI) { + result = detect_aui(dev); + if (result != DETECTED_NONE) break; - if (lp->adapter_cnf & A_CNF_10B_2) - if ((result = detect_bnc(dev)) != DETECTED_NONE) + } + if (lp->adapter_cnf & A_CNF_10B_2) { + result = detect_bnc(dev); + if (result != DETECTED_NONE) break; + } pr_err("%s: no media detected\n", dev->name); goto release_dma; } @@ -1336,7 +1402,8 @@ release_irq: } /* Turn on both receive and transmit operations */ - writereg(dev, PP_LineCTL, readreg(dev, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON); + writereg(dev, PP_LineCTL, + readreg(dev, PP_LineCTL) | SERIAL_RX_ON | SERIAL_TX_ON); /* Receive only error free packets addressed to this card */ lp->rx_mode = 0; @@ -1351,22 +1418,29 @@ release_irq: #endif writereg(dev, PP_RxCFG, lp->curr_rx_cfg); - writereg(dev, PP_TxCFG, TX_LOST_CRS_ENBL | TX_SQE_ERROR_ENBL | TX_OK_ENBL | - TX_LATE_COL_ENBL | TX_JBR_ENBL | TX_ANY_COL_ENBL | TX_16_COL_ENBL); + writereg(dev, PP_TxCFG, (TX_LOST_CRS_ENBL | + TX_SQE_ERROR_ENBL | + TX_OK_ENBL | + TX_LATE_COL_ENBL | + TX_JBR_ENBL | + TX_ANY_COL_ENBL | + TX_16_COL_ENBL)); - writereg(dev, PP_BufCFG, READY_FOR_TX_ENBL | RX_MISS_COUNT_OVRFLOW_ENBL | + writereg(dev, PP_BufCFG, (READY_FOR_TX_ENBL | + RX_MISS_COUNT_OVRFLOW_ENBL | #if ALLOW_DMA - dma_bufcfg(dev) | + dma_bufcfg(dev) | #endif - TX_COL_COUNT_OVRFLOW_ENBL | TX_UNDERRUN_ENBL); + TX_COL_COUNT_OVRFLOW_ENBL | + TX_UNDERRUN_ENBL)); /* now that we've got our act together, enable everything */ - writereg(dev, PP_BusCTL, ENABLE_IRQ - | (dev->mem_start ? MEMORY_ON : 0) /* turn memory on */ + writereg(dev, PP_BusCTL, (ENABLE_IRQ + | (dev->mem_start ? MEMORY_ON : 0) /* turn memory on */ #if ALLOW_DMA - | dma_busctl(dev) + | dma_busctl(dev) #endif - ); + )); netif_start_queue(dev); if (net_debug > 1) printk("cs89x0: net_open() succeeded\n"); @@ -1379,8 +1453,10 @@ static void net_timeout(struct net_device *dev) { /* If we get here, some higher level has decided we are broken. There should really be a "kick me" function call instead. */ - if (net_debug > 0) printk("%s: transmit timed out, %s?\n", dev->name, - tx_done(dev) ? "IRQ conflict ?" : "network cable problem"); + if (net_debug > 0) + printk("%s: transmit timed out, %s?\n", + dev->name, + tx_done(dev) ? "IRQ conflict" : "network cable problem"); /* Try to restart the adaptor. */ netif_wake_queue(dev); } @@ -1393,12 +1469,14 @@ static netdev_tx_t net_send_packet(struct sk_buff *skb, struct net_device *dev) if (net_debug > 3) { printk("%s: sent %d byte packet of type %x\n", dev->name, skb->len, - (skb->data[ETH_ALEN + ETH_ALEN] << 8) | skb->data[ETH_ALEN + ETH_ALEN + 1]); + ((skb->data[ETH_ALEN + ETH_ALEN] << 8) | + skb->data[ETH_ALEN + ETH_ALEN + 1])); } /* keep the upload from being interrupted, since we - ask the chip to start transmitting before the - whole packet has been completely uploaded. */ + * ask the chip to start transmitting before the + * whole packet has been completely uploaded. + */ spin_lock_irqsave(&lp->lock, flags); netif_stop_queue(dev); @@ -1414,11 +1492,12 @@ static netdev_tx_t net_send_packet(struct sk_buff *skb, struct net_device *dev) */ spin_unlock_irqrestore(&lp->lock, flags); - if (net_debug) printk("cs89x0: Tx buffer not free!\n"); + if (net_debug) + printk("cs89x0: Tx buffer not free!\n"); return NETDEV_TX_BUSY; } /* Write the contents of the packet */ - writewords(lp, TX_FRAME_PORT, skb->data, (skb->len+1) >> 1); + writewords(lp, TX_FRAME_PORT, skb->data, (skb->len + 1) >> 1); spin_unlock_irqrestore(&lp->lock, flags); dev->stats.tx_bytes += skb->len; dev_kfree_skb(skb); @@ -1427,10 +1506,10 @@ static netdev_tx_t net_send_packet(struct sk_buff *skb, struct net_device *dev) * We also DO NOT call netif_start_queue(). * * Either of these would cause another bottom half run through - * net_send_packet() before this packet has fully gone out. That causes - * us to hit the "Gasp!" above and the send is rescheduled. it runs like - * a dog. We just return and wait for the Tx completion interrupt handler - * to restart the netdevice layer + * net_send_packet() before this packet has fully gone out. + * That causes us to hit the "Gasp!" above and the send is rescheduled. + * it runs like a dog. We just return and wait for the Tx completion + * interrupt handler to restart the netdevice layer */ return NETDEV_TX_OK; @@ -1458,7 +1537,8 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) * vista, baby! */ while ((status = ioread16(lp->virt_addr + ISQ_PORT))) { - if (net_debug > 4)printk("%s: event=%04x\n", dev->name, status); + if (net_debug > 4) + printk("%s: event=%04x\n", dev->name, status); handled = 1; switch (status & ISQ_EVENT_MASK) { case ISQ_RECEIVER_EVENT: @@ -1496,10 +1576,14 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) netif_wake_queue(dev); /* Inform upper layers. */ } if (status & TX_UNDERRUN) { - if (net_debug > 0) printk("%s: transmit underrun\n", dev->name); + if (net_debug > 0) + printk("%s: transmit underrun\n", + dev->name); lp->send_underrun++; - if (lp->send_underrun == 3) lp->send_cmd = TX_AFTER_381; - else if (lp->send_underrun == 6) lp->send_cmd = TX_AFTER_ALL; + if (lp->send_underrun == 3) + lp->send_cmd = TX_AFTER_381; + else if (lp->send_underrun == 6) + lp->send_cmd = TX_AFTER_ALL; /* transmit cycle is done, although * frame wasn't transmitted - this * avoids having to wait for the upper @@ -1513,14 +1597,17 @@ static irqreturn_t net_interrupt(int irq, void *dev_id) int count = readreg(dev, PP_DmaFrameCnt); while (count) { if (net_debug > 5) - printk("%s: receiving %d DMA frames\n", dev->name, count); + printk("%s: receiving %d DMA frames\n", + dev->name, count); if (net_debug > 2 && count > 1) - printk("%s: receiving %d DMA frames\n", dev->name, count); + printk("%s: receiving %d DMA frames\n", + dev->name, count); dma_rx(dev); if (--count == 0) count = readreg(dev, PP_DmaFrameCnt); if (net_debug > 2 && count > 0) - printk("%s: continuing with %d DMA frames\n", dev->name, count); + printk("%s: continuing with %d DMA frames\n", + dev->name, count); } } #endif @@ -1544,7 +1631,7 @@ count_rx_errors(int status, struct net_device *dev) dev->stats.rx_length_errors++; if (status & RX_EXTRA_DATA) dev->stats.rx_length_errors++; - if ((status & RX_CRC_ERROR) && !(status & (RX_EXTRA_DATA|RX_RUNT))) + if ((status & RX_CRC_ERROR) && !(status & (RX_EXTRA_DATA | RX_RUNT))) /* per str 172 */ dev->stats.rx_crc_errors++; if (status & RX_DRIBBLE) @@ -1585,7 +1672,8 @@ net_rx(struct net_device *dev) if (net_debug > 3) { printk("%s: received %d byte packet of type %x\n", dev->name, length, - (skb->data[ETH_ALEN + ETH_ALEN] << 8) | skb->data[ETH_ALEN + ETH_ALEN + 1]); + (skb->data[ETH_ALEN + ETH_ALEN] << 8) | + skb->data[ETH_ALEN + ETH_ALEN + 1]); } skb->protocol = eth_type_trans(skb, dev); @@ -1598,7 +1686,8 @@ net_rx(struct net_device *dev) static void release_dma_buff(struct net_local *lp) { if (lp->dma_buff) { - free_pages((unsigned long)(lp->dma_buff), get_order(lp->dmasize * 1024)); + free_pages((unsigned long)(lp->dma_buff), + get_order(lp->dmasize * 1024)); lp->dma_buff = NULL; } } @@ -1656,28 +1745,29 @@ static void set_multicast_list(struct net_device *dev) unsigned long flags; spin_lock_irqsave(&lp->lock, flags); - if (dev->flags&IFF_PROMISC) - { + if (dev->flags & IFF_PROMISC) lp->rx_mode = RX_ALL_ACCEPT; - } else if ((dev->flags & IFF_ALLMULTI) || !netdev_mc_empty(dev)) - { - /* The multicast-accept list is initialized to accept-all, and we - rely on higher-level filtering for now. */ + /* The multicast-accept list is initialized to accept-all, + * and we rely on higher-level filtering for now. + */ lp->rx_mode = RX_MULTCAST_ACCEPT; - } else lp->rx_mode = 0; writereg(dev, PP_RxCTL, DEF_RX_ACCEPT | lp->rx_mode); - /* in promiscuous mode, we accept errored packets, so we have to enable interrupts on them also */ - writereg(dev, PP_RxCFG, lp->curr_rx_cfg | - (lp->rx_mode == RX_ALL_ACCEPT ? (RX_CRC_ERROR_ENBL|RX_RUNT_ENBL|RX_EXTRA_DATA_ENBL) : 0)); + /* in promiscuous mode, we accept errored packets, + * so we have to enable interrupts on them also + */ + writereg(dev, PP_RxCFG, + (lp->curr_rx_cfg | + (lp->rx_mode == RX_ALL_ACCEPT) + ? (RX_CRC_ERROR_ENBL | RX_RUNT_ENBL | RX_EXTRA_DATA_ENBL) + : 0)); spin_unlock_irqrestore(&lp->lock, flags); } - static int set_mac_address(struct net_device *dev, void *p) { int i; @@ -1689,12 +1779,14 @@ static int set_mac_address(struct net_device *dev, void *p) memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); if (net_debug) - printk("%s: Setting MAC address to %pM.\n", + printk("%s: Setting MAC address to %pM\n", dev->name, dev->dev_addr); /* set the Ethernet address */ for (i = 0; i < ETH_ALEN / 2; i++) - writereg(dev, PP_IA + i * 2, dev->dev_addr[i * 2] | (dev->dev_addr[i * 2 + 1] << 8)); + writereg(dev, PP_IA + i * 2, + (dev->dev_addr[i * 2] | + (dev->dev_addr[i * 2 + 1] << 8))); return 0; } @@ -1871,28 +1963,28 @@ static int __init cs89x0_platform_probe(struct platform_device *pdev) mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); dev->irq = platform_get_irq(pdev, 0); if (mem_res == NULL || dev->irq <= 0) { - dev_warn(&dev->dev, "memory/interrupt resource missing.\n"); + dev_warn(&dev->dev, "memory/interrupt resource missing\n"); err = -ENXIO; goto free; } lp->size = resource_size(mem_res); if (!request_mem_region(mem_res->start, lp->size, DRV_NAME)) { - dev_warn(&dev->dev, "request_mem_region() failed.\n"); + dev_warn(&dev->dev, "request_mem_region() failed\n"); err = -EBUSY; goto free; } virt_addr = ioremap(mem_res->start, lp->size); if (!virt_addr) { - dev_warn(&dev->dev, "ioremap() failed.\n"); + dev_warn(&dev->dev, "ioremap() failed\n"); err = -ENOMEM; goto release; } err = cs89x0_probe1(dev, virt_addr, 0); if (err) { - dev_warn(&dev->dev, "no cs8900 or cs8920 detected.\n"); + dev_warn(&dev->dev, "no cs8900 or cs8920 detected\n"); goto unmap; } |