ide: remove useless subdirs from drivers/ide/
Suggested-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Bartlomiej Zolnierkiewicz
235
drivers/ide/buddha.c
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235
drivers/ide/buddha.c
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/*
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* Amiga Buddha, Catweasel and X-Surf IDE Driver
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*
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* Copyright (C) 1997, 2001 by Geert Uytterhoeven and others
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*
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* This driver was written based on the specifications in README.buddha and
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* the X-Surf info from Inside_XSurf.txt available at
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* http://www.jschoenfeld.com
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*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file COPYING in the main directory of this archive for
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* more details.
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*
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* TODO:
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* - test it :-)
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* - tune the timings using the speed-register
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*/
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#include <linux/types.h>
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#include <linux/mm.h>
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#include <linux/interrupt.h>
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#include <linux/blkdev.h>
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#include <linux/zorro.h>
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#include <linux/ide.h>
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#include <linux/init.h>
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#include <asm/amigahw.h>
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#include <asm/amigaints.h>
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/*
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* The Buddha has 2 IDE interfaces, the Catweasel has 3, X-Surf has 2
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*/
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#define BUDDHA_NUM_HWIFS 2
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#define CATWEASEL_NUM_HWIFS 3
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#define XSURF_NUM_HWIFS 2
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#define MAX_NUM_HWIFS 3
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/*
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* Bases of the IDE interfaces (relative to the board address)
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*/
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#define BUDDHA_BASE1 0x800
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#define BUDDHA_BASE2 0xa00
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#define BUDDHA_BASE3 0xc00
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#define XSURF_BASE1 0xb000 /* 2.5" Interface */
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#define XSURF_BASE2 0xd000 /* 3.5" Interface */
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static u_int buddha_bases[CATWEASEL_NUM_HWIFS] __initdata = {
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BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3
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};
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static u_int xsurf_bases[XSURF_NUM_HWIFS] __initdata = {
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XSURF_BASE1, XSURF_BASE2
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};
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/*
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* Offsets from one of the above bases
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*/
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#define BUDDHA_CONTROL 0x11a
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/*
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* Other registers
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*/
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#define BUDDHA_IRQ1 0xf00 /* MSB = 1, Harddisk is source of */
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#define BUDDHA_IRQ2 0xf40 /* interrupt */
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#define BUDDHA_IRQ3 0xf80
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#define XSURF_IRQ1 0x7e
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#define XSURF_IRQ2 0x7e
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static int buddha_irqports[CATWEASEL_NUM_HWIFS] __initdata = {
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BUDDHA_IRQ1, BUDDHA_IRQ2, BUDDHA_IRQ3
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};
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static int xsurf_irqports[XSURF_NUM_HWIFS] __initdata = {
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XSURF_IRQ1, XSURF_IRQ2
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};
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#define BUDDHA_IRQ_MR 0xfc0 /* master interrupt enable */
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/*
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* Board information
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*/
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typedef enum BuddhaType_Enum {
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BOARD_BUDDHA, BOARD_CATWEASEL, BOARD_XSURF
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} BuddhaType;
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static const char *buddha_board_name[] = { "Buddha", "Catweasel", "X-Surf" };
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/*
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* Check and acknowledge the interrupt status
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*/
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static int buddha_ack_intr(ide_hwif_t *hwif)
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{
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unsigned char ch;
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ch = z_readb(hwif->io_ports.irq_addr);
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if (!(ch & 0x80))
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return 0;
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return 1;
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}
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static int xsurf_ack_intr(ide_hwif_t *hwif)
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{
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unsigned char ch;
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ch = z_readb(hwif->io_ports.irq_addr);
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/* X-Surf needs a 0 written to IRQ register to ensure ISA bit A11 stays at 0 */
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z_writeb(0, hwif->io_ports.irq_addr);
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if (!(ch & 0x80))
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return 0;
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return 1;
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}
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static void __init buddha_setup_ports(hw_regs_t *hw, unsigned long base,
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unsigned long ctl, unsigned long irq_port,
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ide_ack_intr_t *ack_intr)
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{
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int i;
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memset(hw, 0, sizeof(*hw));
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hw->io_ports.data_addr = base;
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for (i = 1; i < 8; i++)
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hw->io_ports_array[i] = base + 2 + i * 4;
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hw->io_ports.ctl_addr = ctl;
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hw->io_ports.irq_addr = irq_port;
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hw->irq = IRQ_AMIGA_PORTS;
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hw->ack_intr = ack_intr;
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hw->chipset = ide_generic;
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}
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/*
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* Probe for a Buddha or Catweasel IDE interface
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*/
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static int __init buddha_init(void)
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{
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struct zorro_dev *z = NULL;
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u_long buddha_board = 0;
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BuddhaType type;
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int buddha_num_hwifs, i;
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while ((z = zorro_find_device(ZORRO_WILDCARD, z))) {
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unsigned long board;
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hw_regs_t hw[MAX_NUM_HWIFS], *hws[] = { NULL, NULL, NULL, NULL };
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if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) {
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buddha_num_hwifs = BUDDHA_NUM_HWIFS;
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type=BOARD_BUDDHA;
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} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_CATWEASEL) {
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buddha_num_hwifs = CATWEASEL_NUM_HWIFS;
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type=BOARD_CATWEASEL;
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} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF) {
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buddha_num_hwifs = XSURF_NUM_HWIFS;
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type=BOARD_XSURF;
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} else
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continue;
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board = z->resource.start;
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/*
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* FIXME: we now have selectable mmio v/s iomio transports.
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*/
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if(type != BOARD_XSURF) {
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if (!request_mem_region(board+BUDDHA_BASE1, 0x800, "IDE"))
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continue;
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} else {
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if (!request_mem_region(board+XSURF_BASE1, 0x1000, "IDE"))
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continue;
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if (!request_mem_region(board+XSURF_BASE2, 0x1000, "IDE"))
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goto fail_base2;
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if (!request_mem_region(board+XSURF_IRQ1, 0x8, "IDE")) {
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release_mem_region(board+XSURF_BASE2, 0x1000);
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fail_base2:
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release_mem_region(board+XSURF_BASE1, 0x1000);
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continue;
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}
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}
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buddha_board = ZTWO_VADDR(board);
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/* write to BUDDHA_IRQ_MR to enable the board IRQ */
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/* X-Surf doesn't have this. IRQs are always on */
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if (type != BOARD_XSURF)
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z_writeb(0, buddha_board+BUDDHA_IRQ_MR);
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printk(KERN_INFO "ide: %s IDE controller\n",
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buddha_board_name[type]);
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for (i = 0; i < buddha_num_hwifs; i++) {
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unsigned long base, ctl, irq_port;
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ide_ack_intr_t *ack_intr;
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if (type != BOARD_XSURF) {
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base = buddha_board + buddha_bases[i];
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ctl = base + BUDDHA_CONTROL;
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irq_port = buddha_board + buddha_irqports[i];
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ack_intr = buddha_ack_intr;
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} else {
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base = buddha_board + xsurf_bases[i];
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/* X-Surf has no CS1* (Control/AltStat) */
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ctl = 0;
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irq_port = buddha_board + xsurf_irqports[i];
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ack_intr = xsurf_ack_intr;
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}
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buddha_setup_ports(&hw[i], base, ctl, irq_port,
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ack_intr);
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hws[i] = &hw[i];
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}
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ide_host_add(NULL, hws, NULL);
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}
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return 0;
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}
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module_init(buddha_init);
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MODULE_LICENSE("GPL");
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