ide: remove useless subdirs from drivers/ide/

Suggested-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

1 files changed, 216 insertions, 0 deletions

diff --git a/drivers/ide/it8213.c b/drivers/ide/it8213.c
new file mode 100644
index 000000000000..7c2feeb3c5ec
--- /dev/null
+++ b/drivers/ide/it8213.c
@@ -0,0 +1,216 @@
+/*
+ * ITE 8213 IDE driver
+ *
+ * Copyright (C) 2006 Jack Lee
+ * Copyright (C) 2006 Alan Cox
+ * Copyright (C) 2007 Bartlomiej Zolnierkiewicz
+ */
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/ide.h>
+#include <linux/init.h>
+
+#define DRV_NAME "it8213"
+
+/**
+ *      it8213_set_pio_mode     -       set host controller for PIO mode
+ *      @drive: drive
+ *      @pio: PIO mode number
+ *
+ *      Set the interface PIO mode.
+ */
+
+static void it8213_set_pio_mode(ide_drive_t *drive, const u8 pio)
+{
+        ide_hwif_t *hwif        = HWIF(drive);
+        struct pci_dev *dev     = to_pci_dev(hwif->dev);
+        int is_slave            = drive->dn & 1;
+        int master_port         = 0x40;
+        int slave_port          = 0x44;
+        unsigned long flags;
+        u16 master_data;
+        u8 slave_data;
+        static DEFINE_SPINLOCK(tune_lock);
+        int control = 0;
+
+        static const u8 timings[][2] = {
+                                        { 0, 0 },
+                                        { 0, 0 },
+                                        { 1, 0 },
+                                        { 2, 1 },
+                                        { 2, 3 }, };
+
+        spin_lock_irqsave(&tune_lock, flags);
+        pci_read_config_word(dev, master_port, &master_data);
+
+        if (pio > 1)
+                control |= 1;   /* Programmable timing on */
+        if (drive->media != ide_disk)
+                control |= 4;   /* ATAPI */
+        if (pio > 2)
+                control |= 2;   /* IORDY */
+        if (is_slave) {
+                master_data |=  0x4000;
+                master_data &= ~0x0070;
+                if (pio > 1)
+                        master_data = master_data | (control << 4);
+                pci_read_config_byte(dev, slave_port, &slave_data);
+                slave_data = slave_data & 0xf0;
+                slave_data = slave_data | (timings[pio][0] << 2) | timings[pio][1];
+        } else {
+                master_data &= ~0x3307;
+                if (pio > 1)
+                        master_data = master_data | control;
+                master_data = master_data | (timings[pio][0] << 12) | (timings[pio][1] << 8);
+        }
+        pci_write_config_word(dev, master_port, master_data);
+        if (is_slave)
+                pci_write_config_byte(dev, slave_port, slave_data);
+        spin_unlock_irqrestore(&tune_lock, flags);
+}
+
+/**
+ *      it8213_set_dma_mode     -       set host controller for DMA mode
+ *      @drive: drive
+ *      @speed: DMA mode
+ *
+ *      Tune the ITE chipset for the DMA mode.
+ */
+
+static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
+{
+        ide_hwif_t *hwif        = HWIF(drive);
+        struct pci_dev *dev     = to_pci_dev(hwif->dev);
+        u8 maslave              = 0x40;
+        int a_speed             = 3 << (drive->dn * 4);
+        int u_flag              = 1 << drive->dn;
+        int v_flag              = 0x01 << drive->dn;
+        int w_flag              = 0x10 << drive->dn;
+        int u_speed             = 0;
+        u16                     reg4042, reg4a;
+        u8                      reg48, reg54, reg55;
+
+        pci_read_config_word(dev, maslave, &reg4042);
+        pci_read_config_byte(dev, 0x48, &reg48);
+        pci_read_config_word(dev, 0x4a, &reg4a);
+        pci_read_config_byte(dev, 0x54, &reg54);
+        pci_read_config_byte(dev, 0x55, &reg55);
+
+        if (speed >= XFER_UDMA_0) {
+                u8 udma = speed - XFER_UDMA_0;
+
+                u_speed = min_t(u8, 2 - (udma & 1), udma) << (drive->dn * 4);
+
+                if (!(reg48 & u_flag))
+                        pci_write_config_byte(dev, 0x48, reg48 | u_flag);
+                if (speed >= XFER_UDMA_5)
+                        pci_write_config_byte(dev, 0x55, (u8) reg55|w_flag);
+                else
+                        pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag);
+
+                if ((reg4a & a_speed) != u_speed)
+                        pci_write_config_word(dev, 0x4a, (reg4a & ~a_speed) | u_speed);
+                if (speed > XFER_UDMA_2) {
+                        if (!(reg54 & v_flag))
+                                pci_write_config_byte(dev, 0x54, reg54 | v_flag);
+                } else
+                        pci_write_config_byte(dev, 0x54, reg54 & ~v_flag);
+        } else {
+                const u8 mwdma_to_pio[] = { 0, 3, 4 };
+                u8 pio;
+
+                if (reg48 & u_flag)
+                        pci_write_config_byte(dev, 0x48, reg48 & ~u_flag);
+                if (reg4a & a_speed)
+                        pci_write_config_word(dev, 0x4a, reg4a & ~a_speed);
+                if (reg54 & v_flag)
+                        pci_write_config_byte(dev, 0x54, reg54 & ~v_flag);
+                if (reg55 & w_flag)
+                        pci_write_config_byte(dev, 0x55, (u8) reg55 & ~w_flag);
+
+                if (speed >= XFER_MW_DMA_0)
+                        pio = mwdma_to_pio[speed - XFER_MW_DMA_0];
+                else
+                        pio = 2; /* only SWDMA2 is allowed */
+
+                it8213_set_pio_mode(drive, pio);
+        }
+}
+
+static u8 it8213_cable_detect(ide_hwif_t *hwif)
+{
+        struct pci_dev *dev = to_pci_dev(hwif->dev);
+        u8 reg42h = 0;
+
+        pci_read_config_byte(dev, 0x42, &reg42h);
+
+        return (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
+}
+
+static const struct ide_port_ops it8213_port_ops = {
+        .set_pio_mode           = it8213_set_pio_mode,
+        .set_dma_mode           = it8213_set_dma_mode,
+        .cable_detect           = it8213_cable_detect,
+};
+
+static const struct ide_port_info it8213_chipset __devinitdata = {
+        .name           = DRV_NAME,
+        .enablebits     = { {0x41, 0x80, 0x80} },
+        .port_ops       = &it8213_port_ops,
+        .host_flags     = IDE_HFLAG_SINGLE,
+        .pio_mask       = ATA_PIO4,
+        .swdma_mask     = ATA_SWDMA2_ONLY,
+        .mwdma_mask     = ATA_MWDMA12_ONLY,
+        .udma_mask      = ATA_UDMA6,
+};
+
+/**
+ *      it8213_init_one -       pci layer discovery entry
+ *      @dev: PCI device
+ *      @id: ident table entry
+ *
+ *      Called by the PCI code when it finds an ITE8213 controller. As
+ *      this device follows the standard interfaces we can use the
+ *      standard helper functions to do almost all the work for us.
+ */
+
+static int __devinit it8213_init_one(struct pci_dev *dev, const struct pci_device_id *id)
+{
+        return ide_pci_init_one(dev, &it8213_chipset, NULL);
+}
+
+static const struct pci_device_id it8213_pci_tbl[] = {
+        { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8213), 0 },
+        { 0, },
+};
+
+MODULE_DEVICE_TABLE(pci, it8213_pci_tbl);
+
+static struct pci_driver it8213_pci_driver = {
+        .name           = "ITE8213_IDE",
+        .id_table       = it8213_pci_tbl,
+        .probe          = it8213_init_one,
+        .remove         = ide_pci_remove,
+        .suspend        = ide_pci_suspend,
+        .resume         = ide_pci_resume,
+};
+
+static int __init it8213_ide_init(void)
+{
+        return ide_pci_register_driver(&it8213_pci_driver);
+}
+
+static void __exit it8213_ide_exit(void)
+{
+        pci_unregister_driver(&it8213_pci_driver);
+}
+
+module_init(it8213_ide_init);
+module_exit(it8213_ide_exit);
+
+MODULE_AUTHOR("Jack Lee, Alan Cox");
+MODULE_DESCRIPTION("PCI driver module for the ITE 8213");
+MODULE_LICENSE("GPL");