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@@ -84,403 +84,6 @@ MODULE_DESCRIPTION("Library module for ATA devices");
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MODULE_LICENSE("GPL");
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MODULE_VERSION(DRV_VERSION);
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-/**
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- * ata_tf_load_pio - send taskfile registers to host controller
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- * @ap: Port to which output is sent
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- * @tf: ATA taskfile register set
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- *
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- * Outputs ATA taskfile to standard ATA host controller.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-
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-static void ata_tf_load_pio(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- struct ata_ioports *ioaddr = &ap->ioaddr;
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- unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
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-
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- if (tf->ctl != ap->last_ctl) {
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- outb(tf->ctl, ioaddr->ctl_addr);
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- ap->last_ctl = tf->ctl;
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- ata_wait_idle(ap);
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- }
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-
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- if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
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- outb(tf->hob_feature, ioaddr->feature_addr);
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- outb(tf->hob_nsect, ioaddr->nsect_addr);
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- outb(tf->hob_lbal, ioaddr->lbal_addr);
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- outb(tf->hob_lbam, ioaddr->lbam_addr);
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- outb(tf->hob_lbah, ioaddr->lbah_addr);
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- VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
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- tf->hob_feature,
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- tf->hob_nsect,
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- tf->hob_lbal,
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- tf->hob_lbam,
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- tf->hob_lbah);
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- }
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-
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- if (is_addr) {
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- outb(tf->feature, ioaddr->feature_addr);
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- outb(tf->nsect, ioaddr->nsect_addr);
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- outb(tf->lbal, ioaddr->lbal_addr);
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- outb(tf->lbam, ioaddr->lbam_addr);
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- outb(tf->lbah, ioaddr->lbah_addr);
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- VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
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- tf->feature,
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- tf->nsect,
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- tf->lbal,
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- tf->lbam,
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- tf->lbah);
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- }
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-
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- if (tf->flags & ATA_TFLAG_DEVICE) {
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- outb(tf->device, ioaddr->device_addr);
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- VPRINTK("device 0x%X\n", tf->device);
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- }
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-
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- ata_wait_idle(ap);
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-}
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-
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-/**
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- * ata_tf_load_mmio - send taskfile registers to host controller
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- * @ap: Port to which output is sent
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- * @tf: ATA taskfile register set
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- *
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- * Outputs ATA taskfile to standard ATA host controller using MMIO.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-
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-static void ata_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- struct ata_ioports *ioaddr = &ap->ioaddr;
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- unsigned int is_addr = tf->flags & ATA_TFLAG_ISADDR;
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-
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- if (tf->ctl != ap->last_ctl) {
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- writeb(tf->ctl, (void __iomem *) ap->ioaddr.ctl_addr);
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- ap->last_ctl = tf->ctl;
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- ata_wait_idle(ap);
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- }
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-
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- if (is_addr && (tf->flags & ATA_TFLAG_LBA48)) {
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- writeb(tf->hob_feature, (void __iomem *) ioaddr->feature_addr);
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- writeb(tf->hob_nsect, (void __iomem *) ioaddr->nsect_addr);
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- writeb(tf->hob_lbal, (void __iomem *) ioaddr->lbal_addr);
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- writeb(tf->hob_lbam, (void __iomem *) ioaddr->lbam_addr);
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- writeb(tf->hob_lbah, (void __iomem *) ioaddr->lbah_addr);
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- VPRINTK("hob: feat 0x%X nsect 0x%X, lba 0x%X 0x%X 0x%X\n",
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- tf->hob_feature,
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- tf->hob_nsect,
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- tf->hob_lbal,
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- tf->hob_lbam,
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- tf->hob_lbah);
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- }
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-
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- if (is_addr) {
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- writeb(tf->feature, (void __iomem *) ioaddr->feature_addr);
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- writeb(tf->nsect, (void __iomem *) ioaddr->nsect_addr);
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- writeb(tf->lbal, (void __iomem *) ioaddr->lbal_addr);
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- writeb(tf->lbam, (void __iomem *) ioaddr->lbam_addr);
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- writeb(tf->lbah, (void __iomem *) ioaddr->lbah_addr);
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- VPRINTK("feat 0x%X nsect 0x%X lba 0x%X 0x%X 0x%X\n",
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- tf->feature,
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- tf->nsect,
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- tf->lbal,
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- tf->lbam,
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- tf->lbah);
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- }
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-
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- if (tf->flags & ATA_TFLAG_DEVICE) {
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- writeb(tf->device, (void __iomem *) ioaddr->device_addr);
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- VPRINTK("device 0x%X\n", tf->device);
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- }
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-
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- ata_wait_idle(ap);
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-}
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-
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-
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-/**
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- * ata_tf_load - send taskfile registers to host controller
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- * @ap: Port to which output is sent
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- * @tf: ATA taskfile register set
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- *
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- * Outputs ATA taskfile to standard ATA host controller using MMIO
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- * or PIO as indicated by the ATA_FLAG_MMIO flag.
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- * Writes the control, feature, nsect, lbal, lbam, and lbah registers.
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- * Optionally (ATA_TFLAG_LBA48) writes hob_feature, hob_nsect,
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- * hob_lbal, hob_lbam, and hob_lbah.
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- *
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- * This function waits for idle (!BUSY and !DRQ) after writing
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- * registers. If the control register has a new value, this
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- * function also waits for idle after writing control and before
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- * writing the remaining registers.
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- *
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- * May be used as the tf_load() entry in ata_port_operations.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-void ata_tf_load(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- if (ap->flags & ATA_FLAG_MMIO)
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- ata_tf_load_mmio(ap, tf);
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- else
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- ata_tf_load_pio(ap, tf);
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-}
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-
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-/**
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- * ata_exec_command_pio - issue ATA command to host controller
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- * @ap: port to which command is being issued
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- * @tf: ATA taskfile register set
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- *
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- * Issues PIO write to ATA command register, with proper
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- * synchronization with interrupt handler / other threads.
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- *
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- * LOCKING:
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- * spin_lock_irqsave(host_set lock)
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- */
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-
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-static void ata_exec_command_pio(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command);
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-
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- outb(tf->command, ap->ioaddr.command_addr);
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- ata_pause(ap);
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-}
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-
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-
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-/**
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- * ata_exec_command_mmio - issue ATA command to host controller
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- * @ap: port to which command is being issued
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- * @tf: ATA taskfile register set
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- *
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- * Issues MMIO write to ATA command register, with proper
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- * synchronization with interrupt handler / other threads.
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- *
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- * LOCKING:
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- * spin_lock_irqsave(host_set lock)
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- */
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-
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-static void ata_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- DPRINTK("ata%u: cmd 0x%X\n", ap->id, tf->command);
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-
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- writeb(tf->command, (void __iomem *) ap->ioaddr.command_addr);
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- ata_pause(ap);
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-}
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-
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-
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-/**
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- * ata_exec_command - issue ATA command to host controller
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- * @ap: port to which command is being issued
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- * @tf: ATA taskfile register set
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- *
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- * Issues PIO/MMIO write to ATA command register, with proper
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- * synchronization with interrupt handler / other threads.
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- *
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- * LOCKING:
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- * spin_lock_irqsave(host_set lock)
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- */
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-void ata_exec_command(struct ata_port *ap, const struct ata_taskfile *tf)
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-{
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- if (ap->flags & ATA_FLAG_MMIO)
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- ata_exec_command_mmio(ap, tf);
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- else
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- ata_exec_command_pio(ap, tf);
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-}
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-
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-/**
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- * ata_tf_to_host - issue ATA taskfile to host controller
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- * @ap: port to which command is being issued
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- * @tf: ATA taskfile register set
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- *
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- * Issues ATA taskfile register set to ATA host controller,
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- * with proper synchronization with interrupt handler and
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- * other threads.
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- *
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- * LOCKING:
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- * spin_lock_irqsave(host_set lock)
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- */
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-
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-static inline void ata_tf_to_host(struct ata_port *ap,
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- const struct ata_taskfile *tf)
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-{
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- ap->ops->tf_load(ap, tf);
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- ap->ops->exec_command(ap, tf);
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-}
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-
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-/**
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- * ata_tf_read_pio - input device's ATA taskfile shadow registers
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- * @ap: Port from which input is read
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- * @tf: ATA taskfile register set for storing input
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- *
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- * Reads ATA taskfile registers for currently-selected device
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- * into @tf.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-
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-static void ata_tf_read_pio(struct ata_port *ap, struct ata_taskfile *tf)
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-{
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- struct ata_ioports *ioaddr = &ap->ioaddr;
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-
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- tf->command = ata_check_status(ap);
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- tf->feature = inb(ioaddr->error_addr);
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- tf->nsect = inb(ioaddr->nsect_addr);
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- tf->lbal = inb(ioaddr->lbal_addr);
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- tf->lbam = inb(ioaddr->lbam_addr);
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- tf->lbah = inb(ioaddr->lbah_addr);
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- tf->device = inb(ioaddr->device_addr);
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-
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- if (tf->flags & ATA_TFLAG_LBA48) {
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- outb(tf->ctl | ATA_HOB, ioaddr->ctl_addr);
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- tf->hob_feature = inb(ioaddr->error_addr);
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- tf->hob_nsect = inb(ioaddr->nsect_addr);
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- tf->hob_lbal = inb(ioaddr->lbal_addr);
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- tf->hob_lbam = inb(ioaddr->lbam_addr);
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- tf->hob_lbah = inb(ioaddr->lbah_addr);
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- }
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-}
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-
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-/**
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- * ata_tf_read_mmio - input device's ATA taskfile shadow registers
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- * @ap: Port from which input is read
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- * @tf: ATA taskfile register set for storing input
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- *
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- * Reads ATA taskfile registers for currently-selected device
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- * into @tf via MMIO.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-
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-static void ata_tf_read_mmio(struct ata_port *ap, struct ata_taskfile *tf)
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-{
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- struct ata_ioports *ioaddr = &ap->ioaddr;
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-
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- tf->command = ata_check_status(ap);
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- tf->feature = readb((void __iomem *)ioaddr->error_addr);
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- tf->nsect = readb((void __iomem *)ioaddr->nsect_addr);
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- tf->lbal = readb((void __iomem *)ioaddr->lbal_addr);
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- tf->lbam = readb((void __iomem *)ioaddr->lbam_addr);
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- tf->lbah = readb((void __iomem *)ioaddr->lbah_addr);
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- tf->device = readb((void __iomem *)ioaddr->device_addr);
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-
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- if (tf->flags & ATA_TFLAG_LBA48) {
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- writeb(tf->ctl | ATA_HOB, (void __iomem *) ap->ioaddr.ctl_addr);
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- tf->hob_feature = readb((void __iomem *)ioaddr->error_addr);
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- tf->hob_nsect = readb((void __iomem *)ioaddr->nsect_addr);
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- tf->hob_lbal = readb((void __iomem *)ioaddr->lbal_addr);
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- tf->hob_lbam = readb((void __iomem *)ioaddr->lbam_addr);
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- tf->hob_lbah = readb((void __iomem *)ioaddr->lbah_addr);
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- }
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-}
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-
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-
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-/**
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- * ata_tf_read - input device's ATA taskfile shadow registers
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- * @ap: Port from which input is read
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- * @tf: ATA taskfile register set for storing input
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- *
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- * Reads ATA taskfile registers for currently-selected device
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- * into @tf.
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- *
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- * Reads nsect, lbal, lbam, lbah, and device. If ATA_TFLAG_LBA48
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- * is set, also reads the hob registers.
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- *
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- * May be used as the tf_read() entry in ata_port_operations.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-void ata_tf_read(struct ata_port *ap, struct ata_taskfile *tf)
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-{
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- if (ap->flags & ATA_FLAG_MMIO)
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- ata_tf_read_mmio(ap, tf);
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- else
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- ata_tf_read_pio(ap, tf);
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-}
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-
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-/**
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- * ata_check_status_pio - Read device status reg & clear interrupt
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- * @ap: port where the device is
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- *
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- * Reads ATA taskfile status register for currently-selected device
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- * and return its value. This also clears pending interrupts
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- * from this device
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-static u8 ata_check_status_pio(struct ata_port *ap)
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-{
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- return inb(ap->ioaddr.status_addr);
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-}
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-
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-/**
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- * ata_check_status_mmio - Read device status reg & clear interrupt
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- * @ap: port where the device is
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- *
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- * Reads ATA taskfile status register for currently-selected device
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- * via MMIO and return its value. This also clears pending interrupts
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- * from this device
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-static u8 ata_check_status_mmio(struct ata_port *ap)
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-{
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- return readb((void __iomem *) ap->ioaddr.status_addr);
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-}
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-
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-
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-/**
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- * ata_check_status - Read device status reg & clear interrupt
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- * @ap: port where the device is
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- *
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- * Reads ATA taskfile status register for currently-selected device
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- * and return its value. This also clears pending interrupts
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- * from this device
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- *
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- * May be used as the check_status() entry in ata_port_operations.
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- *
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- * LOCKING:
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- * Inherited from caller.
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- */
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-u8 ata_check_status(struct ata_port *ap)
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-{
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- if (ap->flags & ATA_FLAG_MMIO)
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- return ata_check_status_mmio(ap);
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- return ata_check_status_pio(ap);
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-}
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-
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-
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-/**
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- * ata_altstatus - Read device alternate status reg
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- * @ap: port where the device is
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- *
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- * Reads ATA taskfile alternate status register for
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- * currently-selected device and return its value.
|
|
|
- *
|
|
|
- * Note: may NOT be used as the check_altstatus() entry in
|
|
|
- * ata_port_operations.
|
|
|
- *
|
|
|
- * LOCKING:
|
|
|
- * Inherited from caller.
|
|
|
- */
|
|
|
-u8 ata_altstatus(struct ata_port *ap)
|
|
|
-{
|
|
|
- if (ap->ops->check_altstatus)
|
|
|
- return ap->ops->check_altstatus(ap);
|
|
|
-
|
|
|
- if (ap->flags & ATA_FLAG_MMIO)
|
|
|
- return readb((void __iomem *)ap->ioaddr.altstatus_addr);
|
|
|
- return inb(ap->ioaddr.altstatus_addr);
|
|
|
-}
|
|
|
-
|
|
|
|
|
|
/**
|
|
|
* ata_tf_to_fis - Convert ATA taskfile to SATA FIS structure
|
|
|
@@ -2010,6 +1613,26 @@ err_out:
|
|
|
ata_port_disable(ap);
|
|
|
}
|
|
|
|
|
|
+/**
|
|
|
+ * ata_tf_to_host - issue ATA taskfile to host controller
|
|
|
+ * @ap: port to which command is being issued
|
|
|
+ * @tf: ATA taskfile register set
|
|
|
+ *
|
|
|
+ * Issues ATA taskfile register set to ATA host controller,
|
|
|
+ * with proper synchronization with interrupt handler and
|
|
|
+ * other threads.
|
|
|
+ *
|
|
|
+ * LOCKING:
|
|
|
+ * spin_lock_irqsave(host_set lock)
|
|
|
+ */
|
|
|
+
|
|
|
+static inline void ata_tf_to_host(struct ata_port *ap,
|
|
|
+ const struct ata_taskfile *tf)
|
|
|
+{
|
|
|
+ ap->ops->tf_load(ap, tf);
|
|
|
+ ap->ops->exec_command(ap, tf);
|
|
|
+}
|
|
|
+
|
|
|
/**
|
|
|
* ata_busy_sleep - sleep until BSY clears, or timeout
|
|
|
* @ap: port containing status register to be polled
|
|
|
@@ -5383,32 +5006,6 @@ void ata_std_ports(struct ata_ioports *ioaddr)
|
|
|
ioaddr->command_addr = ioaddr->cmd_addr + ATA_REG_CMD;
|
|
|
}
|
|
|
|
|
|
-static struct ata_probe_ent *
|
|
|
-ata_probe_ent_alloc(struct device *dev, const struct ata_port_info *port)
|
|
|
-{
|
|
|
- struct ata_probe_ent *probe_ent;
|
|
|
-
|
|
|
- probe_ent = kzalloc(sizeof(*probe_ent), GFP_KERNEL);
|
|
|
- if (!probe_ent) {
|
|
|
- printk(KERN_ERR DRV_NAME "(%s): out of memory\n",
|
|
|
- kobject_name(&(dev->kobj)));
|
|
|
- return NULL;
|
|
|
- }
|
|
|
-
|
|
|
- INIT_LIST_HEAD(&probe_ent->node);
|
|
|
- probe_ent->dev = dev;
|
|
|
-
|
|
|
- probe_ent->sht = port->sht;
|
|
|
- probe_ent->host_flags = port->host_flags;
|
|
|
- probe_ent->pio_mask = port->pio_mask;
|
|
|
- probe_ent->mwdma_mask = port->mwdma_mask;
|
|
|
- probe_ent->udma_mask = port->udma_mask;
|
|
|
- probe_ent->port_ops = port->port_ops;
|
|
|
-
|
|
|
- return probe_ent;
|
|
|
-}
|
|
|
-
|
|
|
-
|
|
|
|
|
|
#ifdef CONFIG_PCI
|
|
|
|
|
|
@@ -5419,256 +5016,6 @@ void ata_pci_host_stop (struct ata_host_set *host_set)
|
|
|
pci_iounmap(pdev, host_set->mmio_base);
|
|
|
}
|
|
|
|
|
|
-/**
|
|
|
- * ata_pci_init_native_mode - Initialize native-mode driver
|
|
|
- * @pdev: pci device to be initialized
|
|
|
- * @port: array[2] of pointers to port info structures.
|
|
|
- * @ports: bitmap of ports present
|
|
|
- *
|
|
|
- * Utility function which allocates and initializes an
|
|
|
- * ata_probe_ent structure for a standard dual-port
|
|
|
- * PIO-based IDE controller. The returned ata_probe_ent
|
|
|
- * structure can be passed to ata_device_add(). The returned
|
|
|
- * ata_probe_ent structure should then be freed with kfree().
|
|
|
- *
|
|
|
- * The caller need only pass the address of the primary port, the
|
|
|
- * secondary will be deduced automatically. If the device has non
|
|
|
- * standard secondary port mappings this function can be called twice,
|
|
|
- * once for each interface.
|
|
|
- */
|
|
|
-
|
|
|
-struct ata_probe_ent *
|
|
|
-ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int ports)
|
|
|
-{
|
|
|
- struct ata_probe_ent *probe_ent =
|
|
|
- ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]);
|
|
|
- int p = 0;
|
|
|
-
|
|
|
- if (!probe_ent)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- probe_ent->irq = pdev->irq;
|
|
|
- probe_ent->irq_flags = SA_SHIRQ;
|
|
|
- probe_ent->private_data = port[0]->private_data;
|
|
|
-
|
|
|
- if (ports & ATA_PORT_PRIMARY) {
|
|
|
- probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 0);
|
|
|
- probe_ent->port[p].altstatus_addr =
|
|
|
- probe_ent->port[p].ctl_addr =
|
|
|
- pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS;
|
|
|
- probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4);
|
|
|
- ata_std_ports(&probe_ent->port[p]);
|
|
|
- p++;
|
|
|
- }
|
|
|
-
|
|
|
- if (ports & ATA_PORT_SECONDARY) {
|
|
|
- probe_ent->port[p].cmd_addr = pci_resource_start(pdev, 2);
|
|
|
- probe_ent->port[p].altstatus_addr =
|
|
|
- probe_ent->port[p].ctl_addr =
|
|
|
- pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS;
|
|
|
- probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4) + 8;
|
|
|
- ata_std_ports(&probe_ent->port[p]);
|
|
|
- p++;
|
|
|
- }
|
|
|
-
|
|
|
- probe_ent->n_ports = p;
|
|
|
- return probe_ent;
|
|
|
-}
|
|
|
-
|
|
|
-static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, struct ata_port_info *port, int port_num)
|
|
|
-{
|
|
|
- struct ata_probe_ent *probe_ent;
|
|
|
-
|
|
|
- probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port);
|
|
|
- if (!probe_ent)
|
|
|
- return NULL;
|
|
|
-
|
|
|
- probe_ent->legacy_mode = 1;
|
|
|
- probe_ent->n_ports = 1;
|
|
|
- probe_ent->hard_port_no = port_num;
|
|
|
- probe_ent->private_data = port->private_data;
|
|
|
-
|
|
|
- switch(port_num)
|
|
|
- {
|
|
|
- case 0:
|
|
|
- probe_ent->irq = 14;
|
|
|
- probe_ent->port[0].cmd_addr = 0x1f0;
|
|
|
- probe_ent->port[0].altstatus_addr =
|
|
|
- probe_ent->port[0].ctl_addr = 0x3f6;
|
|
|
- break;
|
|
|
- case 1:
|
|
|
- probe_ent->irq = 15;
|
|
|
- probe_ent->port[0].cmd_addr = 0x170;
|
|
|
- probe_ent->port[0].altstatus_addr =
|
|
|
- probe_ent->port[0].ctl_addr = 0x376;
|
|
|
- break;
|
|
|
- }
|
|
|
- probe_ent->port[0].bmdma_addr = pci_resource_start(pdev, 4) + 8 * port_num;
|
|
|
- ata_std_ports(&probe_ent->port[0]);
|
|
|
- return probe_ent;
|
|
|
-}
|
|
|
-
|
|
|
-/**
|
|
|
- * ata_pci_init_one - Initialize/register PCI IDE host controller
|
|
|
- * @pdev: Controller to be initialized
|
|
|
- * @port_info: Information from low-level host driver
|
|
|
- * @n_ports: Number of ports attached to host controller
|
|
|
- *
|
|
|
- * This is a helper function which can be called from a driver's
|
|
|
- * xxx_init_one() probe function if the hardware uses traditional
|
|
|
- * IDE taskfile registers.
|
|
|
- *
|
|
|
- * This function calls pci_enable_device(), reserves its register
|
|
|
- * regions, sets the dma mask, enables bus master mode, and calls
|
|
|
- * ata_device_add()
|
|
|
- *
|
|
|
- * LOCKING:
|
|
|
- * Inherited from PCI layer (may sleep).
|
|
|
- *
|
|
|
- * RETURNS:
|
|
|
- * Zero on success, negative on errno-based value on error.
|
|
|
- */
|
|
|
-
|
|
|
-int ata_pci_init_one (struct pci_dev *pdev, struct ata_port_info **port_info,
|
|
|
- unsigned int n_ports)
|
|
|
-{
|
|
|
- struct ata_probe_ent *probe_ent = NULL, *probe_ent2 = NULL;
|
|
|
- struct ata_port_info *port[2];
|
|
|
- u8 tmp8, mask;
|
|
|
- unsigned int legacy_mode = 0;
|
|
|
- int disable_dev_on_err = 1;
|
|
|
- int rc;
|
|
|
-
|
|
|
- DPRINTK("ENTER\n");
|
|
|
-
|
|
|
- port[0] = port_info[0];
|
|
|
- if (n_ports > 1)
|
|
|
- port[1] = port_info[1];
|
|
|
- else
|
|
|
- port[1] = port[0];
|
|
|
-
|
|
|
- if ((port[0]->host_flags & ATA_FLAG_NO_LEGACY) == 0
|
|
|
- && (pdev->class >> 8) == PCI_CLASS_STORAGE_IDE) {
|
|
|
- /* TODO: What if one channel is in native mode ... */
|
|
|
- pci_read_config_byte(pdev, PCI_CLASS_PROG, &tmp8);
|
|
|
- mask = (1 << 2) | (1 << 0);
|
|
|
- if ((tmp8 & mask) != mask)
|
|
|
- legacy_mode = (1 << 3);
|
|
|
- }
|
|
|
-
|
|
|
- /* FIXME... */
|
|
|
- if ((!legacy_mode) && (n_ports > 2)) {
|
|
|
- printk(KERN_ERR "ata: BUG: native mode, n_ports > 2\n");
|
|
|
- n_ports = 2;
|
|
|
- /* For now */
|
|
|
- }
|
|
|
-
|
|
|
- /* FIXME: Really for ATA it isn't safe because the device may be
|
|
|
- multi-purpose and we want to leave it alone if it was already
|
|
|
- enabled. Secondly for shared use as Arjan says we want refcounting
|
|
|
-
|
|
|
- Checking dev->is_enabled is insufficient as this is not set at
|
|
|
- boot for the primary video which is BIOS enabled
|
|
|
- */
|
|
|
-
|
|
|
- rc = pci_enable_device(pdev);
|
|
|
- if (rc)
|
|
|
- return rc;
|
|
|
-
|
|
|
- rc = pci_request_regions(pdev, DRV_NAME);
|
|
|
- if (rc) {
|
|
|
- disable_dev_on_err = 0;
|
|
|
- goto err_out;
|
|
|
- }
|
|
|
-
|
|
|
- /* FIXME: Should use platform specific mappers for legacy port ranges */
|
|
|
- if (legacy_mode) {
|
|
|
- if (!request_region(0x1f0, 8, "libata")) {
|
|
|
- struct resource *conflict, res;
|
|
|
- res.start = 0x1f0;
|
|
|
- res.end = 0x1f0 + 8 - 1;
|
|
|
- conflict = ____request_resource(&ioport_resource, &res);
|
|
|
- if (!strcmp(conflict->name, "libata"))
|
|
|
- legacy_mode |= (1 << 0);
|
|
|
- else {
|
|
|
- disable_dev_on_err = 0;
|
|
|
- printk(KERN_WARNING "ata: 0x1f0 IDE port busy\n");
|
|
|
- }
|
|
|
- } else
|
|
|
- legacy_mode |= (1 << 0);
|
|
|
-
|
|
|
- if (!request_region(0x170, 8, "libata")) {
|
|
|
- struct resource *conflict, res;
|
|
|
- res.start = 0x170;
|
|
|
- res.end = 0x170 + 8 - 1;
|
|
|
- conflict = ____request_resource(&ioport_resource, &res);
|
|
|
- if (!strcmp(conflict->name, "libata"))
|
|
|
- legacy_mode |= (1 << 1);
|
|
|
- else {
|
|
|
- disable_dev_on_err = 0;
|
|
|
- printk(KERN_WARNING "ata: 0x170 IDE port busy\n");
|
|
|
- }
|
|
|
- } else
|
|
|
- legacy_mode |= (1 << 1);
|
|
|
- }
|
|
|
-
|
|
|
- /* we have legacy mode, but all ports are unavailable */
|
|
|
- if (legacy_mode == (1 << 3)) {
|
|
|
- rc = -EBUSY;
|
|
|
- goto err_out_regions;
|
|
|
- }
|
|
|
-
|
|
|
- rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
|
|
|
- if (rc)
|
|
|
- goto err_out_regions;
|
|
|
- rc = pci_set_consistent_dma_mask(pdev, ATA_DMA_MASK);
|
|
|
- if (rc)
|
|
|
- goto err_out_regions;
|
|
|
-
|
|
|
- if (legacy_mode) {
|
|
|
- if (legacy_mode & (1 << 0))
|
|
|
- probe_ent = ata_pci_init_legacy_port(pdev, port[0], 0);
|
|
|
- if (legacy_mode & (1 << 1))
|
|
|
- probe_ent2 = ata_pci_init_legacy_port(pdev, port[1], 1);
|
|
|
- } else {
|
|
|
- if (n_ports == 2)
|
|
|
- probe_ent = ata_pci_init_native_mode(pdev, port, ATA_PORT_PRIMARY | ATA_PORT_SECONDARY);
|
|
|
- else
|
|
|
- probe_ent = ata_pci_init_native_mode(pdev, port, ATA_PORT_PRIMARY);
|
|
|
- }
|
|
|
- if (!probe_ent && !probe_ent2) {
|
|
|
- rc = -ENOMEM;
|
|
|
- goto err_out_regions;
|
|
|
- }
|
|
|
-
|
|
|
- pci_set_master(pdev);
|
|
|
-
|
|
|
- /* FIXME: check ata_device_add return */
|
|
|
- if (legacy_mode) {
|
|
|
- if (legacy_mode & (1 << 0))
|
|
|
- ata_device_add(probe_ent);
|
|
|
- if (legacy_mode & (1 << 1))
|
|
|
- ata_device_add(probe_ent2);
|
|
|
- } else
|
|
|
- ata_device_add(probe_ent);
|
|
|
-
|
|
|
- kfree(probe_ent);
|
|
|
- kfree(probe_ent2);
|
|
|
-
|
|
|
- return 0;
|
|
|
-
|
|
|
-err_out_regions:
|
|
|
- if (legacy_mode & (1 << 0))
|
|
|
- release_region(0x1f0, 8);
|
|
|
- if (legacy_mode & (1 << 1))
|
|
|
- release_region(0x170, 8);
|
|
|
- pci_release_regions(pdev);
|
|
|
-err_out:
|
|
|
- if (disable_dev_on_err)
|
|
|
- pci_disable_device(pdev);
|
|
|
- return rc;
|
|
|
-}
|
|
|
-
|
|
|
/**
|
|
|
* ata_pci_remove_one - PCI layer callback for device removal
|
|
|
* @pdev: PCI device that was removed
|
Jeff Garzik