auide.patch

patches for linux-2.6.

+        ide_hwif_t *hwif;
+        hw_regs_t hw;
+        int i = 0;
+
+#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
+        char *mode = "MWDMA2";
+#elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
+        char *mode = "PIO+DDMA(offload)";
+#endif
+
+        if (!auide_base || !auide_len || (auide_irq <= 0))
+                return -ENODEV;
+
+        if (!request_mem_region (auide_base, auide_len, "Au1xxx IDE")) {
+                printk (KERN_ERR "controller already in use");
+                return -EBUSY;
+        }
+
+#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
+        memset(&auide_hwif, 0, sizeof(_auide_hwif));
+        auide_hwif.dev                  = 0;
+#endif
+        memset(&hw, 0, sizeof(hw));
+        auide_setup_ports(&hw);
+
+        /* register hwif */
+        if ((i = ide_register_hw(&hw, NULL)) < 0)
+        {
+                printk(KERN_DEBUG "%s could not register ide i/f\n", __FUNCTION__);
+                return -ENODEV;
+        }
+        hwif                            = &ide_hwifs[i];
+
+        hwif->irq                       = auide_irq;
+        hwif->chipset                   = ide_au1xxx;
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
+        hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ;
+        hwif->rqsize                    = ((hwif->rqsize > AU1XXX_ATA_RQSIZE) 
+                                        || (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize;
+#else /* if kernel config is not set */
+        hwif->rqsize                    = AU1XXX_ATA_RQSIZE;
+#endif
+
+        hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+        hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */
+        hwif->swdma_mask                = 0x07;
+#else
+        hwif->mwdma_mask                = 0x0;
+        hwif->swdma_mask                = 0x0;
+#endif
+        hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
+        hwif->drives[0].unmask          = 1;
+        hwif->drives[1].unmask          = 1;
+
+        /* hold should be on in all cases */
+        hwif->hold                      = 1;
+        hwif->mmio                      = 2;
+
+        /* set up local I/O function entry points */
+        hwif->INB                       = auide_inb;
+        hwif->INW                       = auide_inw;
+        hwif->INL                       = auide_inl;
+        hwif->INSW                      = auide_insw;
+        hwif->INSL                      = auide_insl;
+        hwif->OUTB                      = auide_outb;
+        hwif->OUTBSYNC                  = auide_outbsync;
+        hwif->OUTW                      = auide_outw;
+        hwif->OUTL                      = auide_outl;
+        hwif->OUTSW                     = auide_outsw;
+        hwif->OUTSL                     = auide_outsl;
+
+        hwif->tuneproc                  = &auide_tune_drive;
+        hwif->speedproc                 = &auide_tune_chipset;
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+        hwif->ide_dma_off_quietly       = &auide_dma_off_quietly;
+        hwif->ide_dma_timeout           = &auide_dma_timeout;
+
+        hwif->ide_dma_check             = &auide_dma_check;
+        hwif->dma_exec_cmd              = &auide_dma_exec_cmd;
+        hwif->dma_start                 = &auide_dma_start;
+        hwif->ide_dma_end               = &auide_dma_end;
+        hwif->dma_setup                 = &auide_dma_setup;
+        hwif->ide_dma_test_irq          = &auide_dma_test_irq;
+        hwif->ide_dma_host_off          = &auide_dma_host_off;
+        hwif->ide_dma_host_on           = &auide_dma_host_on;
+        hwif->ide_dma_lostirq           = &auide_dma_lostirq;
+        hwif->ide_dma_on                = &auide_dma_on;
+
+        hwif->autodma                   = 1;
+        hwif->drives[0].autodma         = hwif->autodma;
+        hwif->drives[1].autodma         = hwif->autodma;
+        hwif->atapi_dma                 = 1;
+        hwif->drives[0].using_dma       = 1;
+        hwif->drives[1].using_dma       = 1;
+#else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
+        hwif->autodma                   = 0;
+        hwif->channel                   = 0;
+        hwif->hold                      = 1;
+        hwif->select_data               = 0;    /* no chipset-specific code */
+        hwif->config_data               = 0;    /* no chipset-specific code */
+
+        hwif->drives[0].autodma         = 0;
+        hwif->drives[0].drive_data      = 0;    /* no drive data */
+        hwif->drives[0].using_dma       = 0;
+        hwif->drives[0].waiting_for_dma = 0;
+        hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
+        /* secondary hdd not supported */
+        hwif->drives[1].autodma         = 0;
+
+        hwif->drives[1].drive_data      = 0;
+        hwif->drives[1].using_dma       = 0;
+        hwif->drives[1].waiting_for_dma = 0;
+        hwif->drives[1].autotune        = 2;   /* 1=autotune, 2=noautotune, 0=default */
+#endif
+        hwif->drives[0].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
+        hwif->drives[1].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
+
+        /*Register Driver with PM Framework*/
+#ifdef CONFIG_PM
+        auide_hwif.pm.lock    = SPIN_LOCK_UNLOCKED;
+        auide_hwif.pm.stopped = 0;
+
+        auide_hwif.pm.dev = new_au1xxx_power_device( "ide",
+                                                &au1200ide_pm_callback,
+                                                NULL);
+        if ( auide_hwif.pm.dev == NULL )
+                printk(KERN_INFO "Unable to create a power management \
+                                device entry for the au1200-IDE.\n");
+        else
+                printk(KERN_INFO "Power management device entry for the \
+                                au1200-IDE loaded.\n");
+#endif
+
+        auide_hwif.hwif                 = hwif;
+        hwif->hwif_data                 = &auide_hwif;
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA           
+        auide_ddma_init(&auide_hwif);
+        dbdma_init_done = 1;
+#endif
+
+        printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
+
+        return 0;
+}
+
+static int __init auide_setup (char* options)
+{
+//        printk("%s\n", __FUNCTION__);
+
+        char* this_opt;
+
+        if (!options || !*options)
+                return 0;
+
+        for(this_opt=strsep(&options,",");this_opt;this_opt=strsep(NULL,",")) {
+
+                printk("this_opt : %s\n", this_opt);
+
+                if (!strncmp(this_opt, "base:", 5)) {
+                        auide_base = simple_strtoul(this_opt+5, NULL, 0);
+                } else if (!strncmp(this_opt, "len:", 4)) {
+                        auide_len = simple_strtoul(this_opt+4, NULL, 0);
+                } else if (!strncmp(this_opt, "irq:", 4)) {
+                        auide_irq = simple_strtoul(this_opt+4, NULL, 0);
+                }
+        }
+
+        return 0;
+}
+__setup("auide=", auide_setup);
+
+
+#ifdef CONFIG_PM
+int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
+                        au1xxx_request_t request, void *data) {
+//        printk("%s\n", __FUNCTION__);
+
+        unsigned int d, err = 0;
+        unsigned long flags;
+
+        spin_lock_irqsave(auide_hwif.pm.lock, flags);
+
+        switch (request){
+                case AU1XXX_PM_SLEEP:
+                        err = au1xxxide_pm_sleep(dev);
+                        break;
+                case AU1XXX_PM_WAKEUP:
+                        d = *((unsigned int*)data);
+                        if ( d > 0 && d <= 99) {
+                                err = au1xxxide_pm_standby(dev);
+                        }
+                        else {
+                                err = au1xxxide_pm_resume(dev);
+                        }
+                        break;
+                case AU1XXX_PM_GETSTATUS:
+                        err = au1xxxide_pm_getstatus(dev);
+                        break;
+                case AU1XXX_PM_ACCESS:
+                        err = au1xxxide_pm_access(dev);
+                        break;
+                case AU1XXX_PM_IDLE:
+                        err = au1xxxide_pm_idle(dev);
+                        break;
+                case AU1XXX_PM_CLEANUP:
+                        err = au1xxxide_pm_cleanup(dev);
+                        break;
+                default:
+                        err = -1;
+                        break;
+        }
+
+        spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
+
+        return err;	
+}
+
+static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__);
+        return 0; 
+}
+
+static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+
+        int retval;
+        ide_hwif_t *hwif = auide_hwif.hwif;
+        struct request rq;
+        struct request_pm_state rqpm;
+        ide_task_t args;
+
+        if(auide_hwif.pm.stopped)
+                return -1;
+
+        /* 
+         * wait until hard disc is ready
+         */
+        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
+                printk("Wait for drive sleep timeout!\n");
+                retval = -1;
+        }
+
+        /*
+         * sequenz to tell the high level ide driver that pm is resuming
+         */
+        memset(&rq, 0, sizeof(rq));
+        memset(&rqpm, 0, sizeof(rqpm));
+        memset(&args, 0, sizeof(args));
+        rq.flags = REQ_PM_SUSPEND;
+        rq.special = &args;
+        rq.pm = &rqpm;
+        rqpm.pm_step = ide_pm_state_start_suspend;
+        rqpm.pm_state = PMSG_SUSPEND;
+
+        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
+
+        if (wait_for_ready (&hwif->drives[0], 35000)) {
+                printk("Wait for drive sleep timeout!\n");
+                retval = -1;
+        }
+
+        /*
+         * stop dbdma channels
+         */
+        au1xxx_dbdma_reset(auide_hwif.tx_chan);
+        au1xxx_dbdma_reset(auide_hwif.rx_chan);
+
+        auide_hwif.pm.stopped = 1;
+
+        return retval;
+}
+
+static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+
+        int retval;
+        ide_hwif_t *hwif = auide_hwif.hwif;
+        struct request rq;
+        struct request_pm_state rqpm;
+        ide_task_t args;
+
+        if(!auide_hwif.pm.stopped)
+                return -1;
+
+        /*
+         * start dbdma channels
+         */	
+        au1xxx_dbdma_start(auide_hwif.tx_chan);
+        au1xxx_dbdma_start(auide_hwif.rx_chan);
+
+        /*
+         * wait until hard disc is ready
+         */
+        if (wait_for_ready ( &hwif->drives[0], 35000)) {
+                printk("Wait for drive wake up timeout!\n");
+                retval = -1;
+        }
+
+        /*
+         * sequenz to tell the high level ide driver that pm is resuming
+         */
+        memset(&rq, 0, sizeof(rq));
+        memset(&rqpm, 0, sizeof(rqpm));
+        memset(&args, 0, sizeof(args));
+        rq.flags = REQ_PM_RESUME;
+        rq.special = &args;
+        rq.pm = &rqpm;
+        rqpm.pm_step = ide_pm_state_start_resume;
+        rqpm.pm_state = PMSG_ON;
+
+        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
+
+        /*
+        * wait for hard disc
+        */
+        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
+                printk("Wait for drive wake up timeout!\n");
+                retval = -1;
+        }
+
+        auide_hwif.pm.stopped = 0;
+
+        return retval;
+}
+
+static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+        return dev->cur_state;
+}
+
+static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+        if (dev->cur_state != AWAKE_STATE)
+                return 0;
+        else
+                return -1;
+}
+
+static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+        return 0;
+}
+
+static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
+//        printk("%s\n", __FUNCTION__ );
+        return 0;
+}
+#endif /* CONFIG_PM */
+
diff -Naur linux26-cvs/include/linux/ide.h