Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-ip22
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-ip22: Convert SGI IP22 and specific drivers to platform_device.
This commit is contained in:
Коммит
0c4ea957c6
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@ -4,6 +4,6 @@
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#
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obj-y += ip22-mc.o ip22-hpc.o ip22-int.o ip22-berr.o \
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ip22-time.o ip22-nvram.o ip22-reset.o ip22-setup.o
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ip22-time.o ip22-nvram.o ip22-platform.o ip22-reset.o ip22-setup.o
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obj-$(CONFIG_EISA) += ip22-eisa.o
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@ -0,0 +1,177 @@
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#include <linux/init.h>
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#include <linux/if_ether.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <asm/paccess.h>
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#include <asm/sgi/ip22.h>
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#include <asm/sgi/hpc3.h>
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#include <asm/sgi/mc.h>
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#include <asm/sgi/seeq.h>
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#include <asm/sgi/wd.h>
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static struct resource sgiwd93_0_resources[] = {
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{
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.name = "eth0 irq",
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.start = SGI_WD93_0_IRQ,
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.end = SGI_WD93_0_IRQ,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct sgiwd93_platform_data sgiwd93_0_pd = {
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.unit = 0,
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.irq = SGI_WD93_0_IRQ,
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};
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static struct platform_device sgiwd93_0_device = {
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.name = "sgiwd93",
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.id = 0,
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.num_resources = ARRAY_SIZE(sgiwd93_0_resources),
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.resource = sgiwd93_0_resources,
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.dev = {
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.platform_data = &sgiwd93_0_pd,
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},
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};
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static struct resource sgiwd93_1_resources[] = {
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{
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.name = "eth0 irq",
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.start = SGI_WD93_1_IRQ,
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.end = SGI_WD93_1_IRQ,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct sgiwd93_platform_data sgiwd93_1_pd = {
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.unit = 1,
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.irq = SGI_WD93_1_IRQ,
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};
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static struct platform_device sgiwd93_1_device = {
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.name = "sgiwd93",
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.id = 1,
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.num_resources = ARRAY_SIZE(sgiwd93_1_resources),
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.resource = sgiwd93_1_resources,
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.dev = {
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.platform_data = &sgiwd93_1_pd,
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},
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};
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/*
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* Create a platform device for the GPI port that receives the
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* image data from the embedded camera.
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*/
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static int __init sgiwd93_devinit(void)
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{
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int res;
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sgiwd93_0_pd.hregs = &hpc3c0->scsi_chan0;
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sgiwd93_0_pd.wdregs = (unsigned char *) hpc3c0->scsi0_ext;
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res = platform_device_register(&sgiwd93_0_device);
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if (res)
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return res;
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if (!ip22_is_fullhouse())
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return 0;
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sgiwd93_1_pd.hregs = &hpc3c0->scsi_chan1;
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sgiwd93_1_pd.wdregs = (unsigned char *) hpc3c0->scsi1_ext;
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return platform_device_register(&sgiwd93_1_device);
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}
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device_initcall(sgiwd93_devinit);
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static struct resource sgiseeq_0_resources[] = {
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{
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.name = "eth0 irq",
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.start = SGI_ENET_IRQ,
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.end = SGI_ENET_IRQ,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct sgiseeq_platform_data eth0_pd;
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static struct platform_device eth0_device = {
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.name = "sgiseeq",
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.id = 0,
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.num_resources = ARRAY_SIZE(sgiseeq_0_resources),
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.resource = sgiseeq_0_resources,
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.dev = {
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.platform_data = ð0_pd,
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},
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};
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static struct resource sgiseeq_1_resources[] = {
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{
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.name = "eth1 irq",
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.start = SGI_GIO_0_IRQ,
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.end = SGI_GIO_0_IRQ,
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.flags = IORESOURCE_IRQ
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}
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};
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static struct sgiseeq_platform_data eth1_pd;
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static struct platform_device eth1_device = {
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.name = "sgiseeq",
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.id = 1,
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.num_resources = ARRAY_SIZE(sgiseeq_1_resources),
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.resource = sgiseeq_1_resources,
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.dev = {
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.platform_data = ð1_pd,
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},
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};
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/*
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* Create a platform device for the GPI port that receives the
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* image data from the embedded camera.
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*/
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static int __init sgiseeq_devinit(void)
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{
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unsigned int tmp;
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int res, i;
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eth0_pd.hpc = hpc3c0;
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eth0_pd.irq = SGI_ENET_IRQ;
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#define EADDR_NVOFS 250
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for (i = 0; i < 3; i++) {
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unsigned short tmp = ip22_nvram_read(EADDR_NVOFS / 2 + i);
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eth0_pd.mac[2 * i] = tmp >> 8;
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eth0_pd.mac[2 * i + 1] = tmp & 0xff;
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}
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res = platform_device_register(ð0_device);
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if (res)
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return res;
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/* Second HPC is missing? */
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if (ip22_is_fullhouse() ||
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!get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]))
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return 0;
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sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 | SGIMC_GIOPAR_EXP164 |
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SGIMC_GIOPAR_HPC264;
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hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
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/* interrupt/config register on Challenge S Mezz board */
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hpc3c1->pbus_extregs[0][0] = 0x30;
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eth1_pd.hpc = hpc3c1;
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eth1_pd.irq = SGI_GIO_0_IRQ;
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#define EADDR_NVOFS 250
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for (i = 0; i < 3; i++) {
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unsigned short tmp = ip22_eeprom_read(&hpc3c1->eeprom,
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EADDR_NVOFS / 2 + i);
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eth1_pd.mac[2 * i] = tmp >> 8;
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eth1_pd.mac[2 * i + 1] = tmp & 0xff;
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}
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return platform_device_register(ð1_device);
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}
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device_initcall(sgiseeq_devinit);
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@ -16,11 +16,13 @@
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#include <linux/string.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/platform_device.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <asm/sgi/hpc3.h>
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#include <asm/sgi/ip22.h>
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#include <asm/sgi/seeq.h>
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#include "sgiseeq.h"
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@ -92,13 +94,9 @@ struct sgiseeq_private {
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struct net_device_stats stats;
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struct net_device *next_module;
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spinlock_t tx_lock;
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};
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/* A list of all installed seeq devices, for removing the driver module. */
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static struct net_device *root_sgiseeq_dev;
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static inline void hpc3_eth_reset(struct hpc3_ethregs *hregs)
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{
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hregs->reset = HPC3_ERST_CRESET | HPC3_ERST_CLRIRQ;
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@ -624,9 +622,12 @@ static inline void setup_rx_ring(struct sgiseeq_rx_desc *buf, int nbufs)
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#define ALIGNED(x) ((((unsigned long)(x)) + 0xf) & ~(0xf))
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static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
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static int __init sgiseeq_probe(struct platform_device *pdev)
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{
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struct sgiseeq_platform_data *pd = pdev->dev.platform_data;
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struct hpc3_regs *hpcregs = pd->hpc;
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struct sgiseeq_init_block *sr;
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unsigned int irq = pd->irq;
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struct sgiseeq_private *sp;
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struct net_device *dev;
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int err, i;
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@ -637,6 +638,8 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
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err = -ENOMEM;
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goto err_out;
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}
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platform_set_drvdata(pdev, dev);
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sp = netdev_priv(dev);
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/* Make private data page aligned */
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@ -648,15 +651,7 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
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}
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sp->srings = sr;
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#define EADDR_NVOFS 250
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for (i = 0; i < 3; i++) {
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unsigned short tmp = has_eeprom ?
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ip22_eeprom_read(&hpcregs->eeprom, EADDR_NVOFS / 2+i) :
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ip22_nvram_read(EADDR_NVOFS / 2+i);
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dev->dev_addr[2 * i] = tmp >> 8;
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dev->dev_addr[2 * i + 1] = tmp & 0xff;
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}
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memcpy(dev->dev_addr, pd->mac, ETH_ALEN);
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#ifdef DEBUG
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gpriv = sp;
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@ -720,9 +715,6 @@ static int sgiseeq_init(struct hpc3_regs* hpcregs, int irq, int has_eeprom)
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for (i = 0; i < 6; i++)
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printk("%2.2x%c", dev->dev_addr[i], i == 5 ? '\n' : ':');
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sp->next_module = root_sgiseeq_dev;
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root_sgiseeq_dev = dev;
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return 0;
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err_out_free_page:
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|
@ -734,43 +726,42 @@ err_out:
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return err;
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}
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static int __init sgiseeq_probe(void)
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static void __exit sgiseeq_remove(struct platform_device *pdev)
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{
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unsigned int tmp, ret1, ret2 = 0;
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struct net_device *dev = platform_get_drvdata(pdev);
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struct sgiseeq_private *sp = netdev_priv(dev);
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/* On board adapter on 1st HPC is always present */
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ret1 = sgiseeq_init(hpc3c0, SGI_ENET_IRQ, 0);
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/* Let's see if second HPC is there */
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if (!(ip22_is_fullhouse()) &&
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get_dbe(tmp, (unsigned int *)&hpc3c1->pbdma[1]) == 0) {
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sgimc->giopar |= SGIMC_GIOPAR_MASTEREXP1 |
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SGIMC_GIOPAR_EXP164 |
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SGIMC_GIOPAR_HPC264;
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hpc3c1->pbus_piocfg[0][0] = 0x3ffff;
|
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/* interrupt/config register on Challenge S Mezz board */
|
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hpc3c1->pbus_extregs[0][0] = 0x30;
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ret2 = sgiseeq_init(hpc3c1, SGI_GIO_0_IRQ, 1);
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}
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|
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return (ret1 & ret2) ? ret1 : 0;
|
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unregister_netdev(dev);
|
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free_page((unsigned long) sp->srings);
|
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free_netdev(dev);
|
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platform_set_drvdata(pdev, NULL);
|
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}
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|
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static void __exit sgiseeq_exit(void)
|
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{
|
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struct net_device *next, *dev;
|
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struct sgiseeq_private *sp;
|
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|
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for (dev = root_sgiseeq_dev; dev; dev = next) {
|
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sp = (struct sgiseeq_private *) netdev_priv(dev);
|
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next = sp->next_module;
|
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unregister_netdev(dev);
|
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free_page((unsigned long) sp->srings);
|
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free_netdev(dev);
|
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static struct platform_driver sgiseeq_driver = {
|
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.probe = sgiseeq_probe,
|
||||
.remove = __devexit_p(sgiseeq_remove),
|
||||
.driver = {
|
||||
.name = "sgiseeq"
|
||||
}
|
||||
};
|
||||
|
||||
static int __init sgiseeq_module_init(void)
|
||||
{
|
||||
if (platform_driver_register(&sgiseeq_driver)) {
|
||||
printk(KERN_ERR "Driver registration failed\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
module_init(sgiseeq_probe);
|
||||
module_exit(sgiseeq_exit);
|
||||
static void __exit sgiseeq_module_exit(void)
|
||||
{
|
||||
platform_driver_unregister(&sgiseeq_driver);
|
||||
}
|
||||
|
||||
module_init(sgiseeq_module_init);
|
||||
module_exit(sgiseeq_module_exit);
|
||||
|
||||
MODULE_DESCRIPTION("SGI Seeq 8003 driver");
|
||||
MODULE_AUTHOR("Linux/MIPS Mailing List <linux-mips@linux-mips.org>");
|
||||
|
|
|
@ -6,87 +6,49 @@
|
|||
* Copyright (C) 1996 David S. Miller (dm@engr.sgi.com)
|
||||
* Copyright (C) 1999 Andrew R. Baker (andrewb@uab.edu)
|
||||
* Copyright (C) 2001 Florian Lohoff (flo@rfc822.org)
|
||||
* Copyright (C) 2003 Ralf Baechle (ralf@linux-mips.org)
|
||||
* Copyright (C) 2003, 07 Ralf Baechle (ralf@linux-mips.org)
|
||||
*
|
||||
* (In all truth, Jed Schimmel wrote all this code.)
|
||||
*/
|
||||
#include <linux/init.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/mm.h>
|
||||
#include <linux/blkdev.h>
|
||||
|
||||
#undef DEBUG
|
||||
|
||||
#include <linux/delay.h>
|
||||
#include <linux/dma-mapping.h>
|
||||
#include <linux/gfp.h>
|
||||
#include <linux/interrupt.h>
|
||||
#include <linux/init.h>
|
||||
#include <linux/kernel.h>
|
||||
#include <linux/types.h>
|
||||
#include <linux/module.h>
|
||||
#include <linux/platform_device.h>
|
||||
#include <linux/spinlock.h>
|
||||
|
||||
#include <asm/page.h>
|
||||
#include <asm/pgtable.h>
|
||||
#include <asm/sgialib.h>
|
||||
#include <asm/sgi/sgi.h>
|
||||
#include <asm/sgi/mc.h>
|
||||
#include <asm/sgi/hpc3.h>
|
||||
#include <asm/sgi/ip22.h>
|
||||
#include <asm/irq.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/sgi/wd.h>
|
||||
|
||||
#include "scsi.h"
|
||||
#include <scsi/scsi_host.h>
|
||||
#include "wd33c93.h"
|
||||
|
||||
#include <linux/stat.h>
|
||||
|
||||
#if 0
|
||||
#define DPRINTK(args...) printk(args)
|
||||
#else
|
||||
#define DPRINTK(args...)
|
||||
#endif
|
||||
|
||||
#define HDATA(ptr) ((struct ip22_hostdata *)((ptr)->hostdata))
|
||||
|
||||
struct ip22_hostdata {
|
||||
struct WD33C93_hostdata wh;
|
||||
struct hpc_data {
|
||||
dma_addr_t dma;
|
||||
void * cpu;
|
||||
void *cpu;
|
||||
} hd;
|
||||
};
|
||||
|
||||
#define host_to_hostdata(host) ((struct ip22_hostdata *)((host)->hostdata))
|
||||
|
||||
struct hpc_chunk {
|
||||
struct hpc_dma_desc desc;
|
||||
u32 _padding; /* align to quadword boundary */
|
||||
};
|
||||
|
||||
struct Scsi_Host *sgiwd93_host;
|
||||
struct Scsi_Host *sgiwd93_host1;
|
||||
|
||||
/* Wuff wuff, wuff, wd33c93.c, wuff wuff, object oriented, bow wow. */
|
||||
static inline void write_wd33c93_count(const wd33c93_regs regs,
|
||||
unsigned long value)
|
||||
{
|
||||
*regs.SASR = WD_TRANSFER_COUNT_MSB;
|
||||
mb();
|
||||
*regs.SCMD = ((value >> 16) & 0xff);
|
||||
*regs.SCMD = ((value >> 8) & 0xff);
|
||||
*regs.SCMD = ((value >> 0) & 0xff);
|
||||
mb();
|
||||
}
|
||||
|
||||
static inline unsigned long read_wd33c93_count(const wd33c93_regs regs)
|
||||
{
|
||||
unsigned long value;
|
||||
|
||||
*regs.SASR = WD_TRANSFER_COUNT_MSB;
|
||||
mb();
|
||||
value = ((*regs.SCMD & 0xff) << 16);
|
||||
value |= ((*regs.SCMD & 0xff) << 8);
|
||||
value |= ((*regs.SCMD & 0xff) << 0);
|
||||
mb();
|
||||
return value;
|
||||
}
|
||||
|
||||
static irqreturn_t sgiwd93_intr(int irq, void *dev_id)
|
||||
{
|
||||
struct Scsi_Host * host = (struct Scsi_Host *) dev_id;
|
||||
struct Scsi_Host * host = dev_id;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(host->host_lock, flags);
|
||||
|
@ -131,12 +93,12 @@ void fill_hpc_entries(struct hpc_chunk *hcp, struct scsi_cmnd *cmd, int datainp)
|
|||
|
||||
static int dma_setup(struct scsi_cmnd *cmd, int datainp)
|
||||
{
|
||||
struct ip22_hostdata *hdata = HDATA(cmd->device->host);
|
||||
struct ip22_hostdata *hdata = host_to_hostdata(cmd->device->host);
|
||||
struct hpc3_scsiregs *hregs =
|
||||
(struct hpc3_scsiregs *) cmd->device->host->base;
|
||||
struct hpc_chunk *hcp = (struct hpc_chunk *) hdata->hd.cpu;
|
||||
|
||||
DPRINTK("dma_setup: datainp<%d> hcp<%p> ", datainp, hcp);
|
||||
pr_debug("dma_setup: datainp<%d> hcp<%p> ", datainp, hcp);
|
||||
|
||||
hdata->wh.dma_dir = datainp;
|
||||
|
||||
|
@ -151,7 +113,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp)
|
|||
|
||||
fill_hpc_entries(hcp, cmd, datainp);
|
||||
|
||||
DPRINTK(" HPCGO\n");
|
||||
pr_debug(" HPCGO\n");
|
||||
|
||||
/* Start up the HPC. */
|
||||
hregs->ndptr = hdata->hd.dma;
|
||||
|
@ -166,7 +128,7 @@ static int dma_setup(struct scsi_cmnd *cmd, int datainp)
|
|||
static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
|
||||
int status)
|
||||
{
|
||||
struct ip22_hostdata *hdata = HDATA(instance);
|
||||
struct ip22_hostdata *hdata = host_to_hostdata(instance);
|
||||
struct hpc3_scsiregs *hregs;
|
||||
|
||||
if (!SCpnt)
|
||||
|
@ -174,7 +136,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
|
|||
|
||||
hregs = (struct hpc3_scsiregs *) SCpnt->device->host->base;
|
||||
|
||||
DPRINTK("dma_stop: status<%d> ", status);
|
||||
pr_debug("dma_stop: status<%d> ", status);
|
||||
|
||||
/* First stop the HPC and flush it's FIFO. */
|
||||
if (hdata->wh.dma_dir) {
|
||||
|
@ -186,7 +148,7 @@ static void dma_stop(struct Scsi_Host *instance, struct scsi_cmnd *SCpnt,
|
|||
dma_unmap_single(NULL, SCpnt->SCp.dma_handle, SCpnt->SCp.this_residual,
|
||||
SCpnt->sc_data_direction);
|
||||
|
||||
DPRINTK("\n");
|
||||
pr_debug("\n");
|
||||
}
|
||||
|
||||
void sgiwd93_reset(unsigned long base)
|
||||
|
@ -216,96 +178,6 @@ static inline void init_hpc_chain(struct hpc_data *hd)
|
|||
hcp->desc.pnext = hd->dma;
|
||||
}
|
||||
|
||||
static struct Scsi_Host * __init sgiwd93_setup_scsi(
|
||||
struct scsi_host_template *SGIblows, int unit, int irq,
|
||||
struct hpc3_scsiregs *hregs, unsigned char *wdregs)
|
||||
{
|
||||
struct ip22_hostdata *hdata;
|
||||
struct Scsi_Host *host;
|
||||
wd33c93_regs regs;
|
||||
|
||||
host = scsi_register(SGIblows, sizeof(struct ip22_hostdata));
|
||||
if (!host)
|
||||
return NULL;
|
||||
|
||||
host->base = (unsigned long) hregs;
|
||||
host->irq = irq;
|
||||
|
||||
hdata = HDATA(host);
|
||||
hdata->hd.cpu = dma_alloc_coherent(NULL, PAGE_SIZE, &hdata->hd.dma,
|
||||
GFP_KERNEL);
|
||||
if (!hdata->hd.cpu) {
|
||||
printk(KERN_WARNING "sgiwd93: Could not allocate memory for "
|
||||
"host %d buffer.\n", unit);
|
||||
goto out_unregister;
|
||||
}
|
||||
init_hpc_chain(&hdata->hd);
|
||||
|
||||
regs.SASR = wdregs + 3;
|
||||
regs.SCMD = wdregs + 7;
|
||||
|
||||
wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
|
||||
|
||||
if (hdata->wh.no_sync == 0xff)
|
||||
hdata->wh.no_sync = 0;
|
||||
|
||||
if (request_irq(irq, sgiwd93_intr, 0, "SGI WD93", (void *) host)) {
|
||||
printk(KERN_WARNING "sgiwd93: Could not register irq %d "
|
||||
"for host %d.\n", irq, unit);
|
||||
goto out_free;
|
||||
}
|
||||
return host;
|
||||
|
||||
out_free:
|
||||
dma_free_coherent(NULL, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);
|
||||
wd33c93_release();
|
||||
|
||||
out_unregister:
|
||||
scsi_unregister(host);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static int __init sgiwd93_detect(struct scsi_host_template *SGIblows)
|
||||
{
|
||||
int found = 0;
|
||||
|
||||
SGIblows->proc_name = "SGIWD93";
|
||||
sgiwd93_host = sgiwd93_setup_scsi(SGIblows, 0, SGI_WD93_0_IRQ,
|
||||
&hpc3c0->scsi_chan0,
|
||||
(unsigned char *)hpc3c0->scsi0_ext);
|
||||
if (sgiwd93_host)
|
||||
found++;
|
||||
|
||||
/* Set up second controller on the Indigo2 */
|
||||
if (ip22_is_fullhouse()) {
|
||||
sgiwd93_host1 = sgiwd93_setup_scsi(SGIblows, 1, SGI_WD93_1_IRQ,
|
||||
&hpc3c0->scsi_chan1,
|
||||
(unsigned char *)hpc3c0->scsi1_ext);
|
||||
if (sgiwd93_host1)
|
||||
found++;
|
||||
}
|
||||
|
||||
return found;
|
||||
}
|
||||
|
||||
static int sgiwd93_release(struct Scsi_Host *instance)
|
||||
{
|
||||
struct ip22_hostdata *hdata = HDATA(instance);
|
||||
int irq = 0;
|
||||
|
||||
if (sgiwd93_host && sgiwd93_host == instance)
|
||||
irq = SGI_WD93_0_IRQ;
|
||||
else if (sgiwd93_host1 && sgiwd93_host1 == instance)
|
||||
irq = SGI_WD93_1_IRQ;
|
||||
|
||||
free_irq(irq, sgiwd93_intr);
|
||||
dma_free_coherent(NULL, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);
|
||||
wd33c93_release();
|
||||
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)
|
||||
{
|
||||
/* FIXME perform bus-specific reset */
|
||||
|
@ -325,11 +197,10 @@ static int sgiwd93_bus_reset(struct scsi_cmnd *cmd)
|
|||
* arguments not with pointers. So this is going to blow up beautyfully
|
||||
* on 64-bit systems with memory outside the compat address spaces.
|
||||
*/
|
||||
static struct scsi_host_template driver_template = {
|
||||
static struct scsi_host_template sgiwd93_template = {
|
||||
.module = THIS_MODULE,
|
||||
.proc_name = "SGIWD93",
|
||||
.name = "SGI WD93",
|
||||
.detect = sgiwd93_detect,
|
||||
.release = sgiwd93_release,
|
||||
.queuecommand = wd33c93_queuecommand,
|
||||
.eh_abort_handler = wd33c93_abort,
|
||||
.eh_bus_reset_handler = sgiwd93_bus_reset,
|
||||
|
@ -340,4 +211,109 @@ static struct scsi_host_template driver_template = {
|
|||
.cmd_per_lun = 8,
|
||||
.use_clustering = DISABLE_CLUSTERING,
|
||||
};
|
||||
#include "scsi_module.c"
|
||||
|
||||
static int __init sgiwd93_probe(struct platform_device *pdev)
|
||||
{
|
||||
struct sgiwd93_platform_data *pd = pdev->dev.platform_data;
|
||||
unsigned char *wdregs = pd->wdregs;
|
||||
struct hpc3_scsiregs *hregs = pd->hregs;
|
||||
struct ip22_hostdata *hdata;
|
||||
struct Scsi_Host *host;
|
||||
wd33c93_regs regs;
|
||||
unsigned int unit = pd->unit;
|
||||
unsigned int irq = pd->irq;
|
||||
int err;
|
||||
|
||||
host = scsi_host_alloc(&sgiwd93_template, sizeof(struct ip22_hostdata));
|
||||
if (!host) {
|
||||
err = -ENOMEM;
|
||||
goto out;
|
||||
}
|
||||
|
||||
host->base = (unsigned long) hregs;
|
||||
host->irq = irq;
|
||||
|
||||
hdata = host_to_hostdata(host);
|
||||
hdata->hd.cpu = dma_alloc_coherent(&pdev->dev, PAGE_SIZE,
|
||||
&hdata->hd.dma, GFP_KERNEL);
|
||||
if (!hdata->hd.cpu) {
|
||||
printk(KERN_WARNING "sgiwd93: Could not allocate memory for "
|
||||
"host %d buffer.\n", unit);
|
||||
err = -ENOMEM;
|
||||
goto out_put;
|
||||
}
|
||||
|
||||
init_hpc_chain(&hdata->hd);
|
||||
|
||||
regs.SASR = wdregs + 3;
|
||||
regs.SCMD = wdregs + 7;
|
||||
|
||||
wd33c93_init(host, regs, dma_setup, dma_stop, WD33C93_FS_MHZ(20));
|
||||
|
||||
if (hdata->wh.no_sync == 0xff)
|
||||
hdata->wh.no_sync = 0;
|
||||
|
||||
err = request_irq(irq, sgiwd93_intr, 0, "SGI WD93", host);
|
||||
if (err) {
|
||||
printk(KERN_WARNING "sgiwd93: Could not register irq %d "
|
||||
"for host %d.\n", irq, unit);
|
||||
goto out_free;
|
||||
}
|
||||
|
||||
platform_set_drvdata(pdev, host);
|
||||
|
||||
err = scsi_add_host(host, NULL);
|
||||
if (err)
|
||||
goto out_irq;
|
||||
|
||||
scsi_scan_host(host);
|
||||
|
||||
return 0;
|
||||
|
||||
out_irq:
|
||||
free_irq(irq, host);
|
||||
out_free:
|
||||
dma_free_coherent(NULL, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);
|
||||
out_put:
|
||||
scsi_host_put(host);
|
||||
out:
|
||||
|
||||
return err;
|
||||
}
|
||||
|
||||
static void __exit sgiwd93_remove(struct platform_device *pdev)
|
||||
{
|
||||
struct Scsi_Host *host = platform_get_drvdata(pdev);
|
||||
struct ip22_hostdata *hdata = (struct ip22_hostdata *) host->hostdata;
|
||||
struct sgiwd93_platform_data *pd = pdev->dev.platform_data;
|
||||
|
||||
scsi_remove_host(host);
|
||||
free_irq(pd->irq, host);
|
||||
dma_free_coherent(&pdev->dev, PAGE_SIZE, hdata->hd.cpu, hdata->hd.dma);
|
||||
scsi_host_put(host);
|
||||
}
|
||||
|
||||
static struct platform_driver sgiwd93_driver = {
|
||||
.probe = sgiwd93_probe,
|
||||
.remove = __devexit_p(sgiwd93_remove),
|
||||
.driver = {
|
||||
.name = "sgiwd93"
|
||||
}
|
||||
};
|
||||
|
||||
static int __init sgiwd93_module_init(void)
|
||||
{
|
||||
return platform_driver_register(&sgiwd93_driver);
|
||||
}
|
||||
|
||||
static void __exit sgiwd93_module_exit(void)
|
||||
{
|
||||
return platform_driver_unregister(&sgiwd93_driver);
|
||||
}
|
||||
|
||||
module_init(sgiwd93_module_init);
|
||||
module_exit(sgiwd93_module_exit);
|
||||
|
||||
MODULE_DESCRIPTION("SGI WD33C93 driver");
|
||||
MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
|
|
@ -0,0 +1,21 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2007 by Ralf Baechle
|
||||
*/
|
||||
#ifndef __ASM_SGI_SEEQ_H
|
||||
#define __ASM_SGI_SEEQ_H
|
||||
|
||||
#include <linux/if_ether.h>
|
||||
|
||||
#include <asm/sgi/hpc3.h>
|
||||
|
||||
struct sgiseeq_platform_data {
|
||||
struct hpc3_regs *hpc;
|
||||
unsigned int irq;
|
||||
unsigned char mac[ETH_ALEN];
|
||||
};
|
||||
|
||||
#endif /* __ASM_SGI_SEEQ_H */
|
|
@ -0,0 +1,20 @@
|
|||
/*
|
||||
* This file is subject to the terms and conditions of the GNU General Public
|
||||
* License. See the file "COPYING" in the main directory of this archive
|
||||
* for more details.
|
||||
*
|
||||
* Copyright (C) 2007 by Ralf Baechle
|
||||
*/
|
||||
#ifndef __ASM_SGI_WD_H
|
||||
#define __ASM_SGI_WD_H
|
||||
|
||||
#include <asm/sgi/hpc3.h>
|
||||
|
||||
struct sgiwd93_platform_data {
|
||||
unsigned int unit;
|
||||
unsigned int irq;
|
||||
struct hpc3_scsiregs *hregs;
|
||||
unsigned char *wdregs;
|
||||
};
|
||||
|
||||
#endif /* __ASM_SGI_WD_H */
|
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