11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1996-2004 Russell King. 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Please note that this platform does not support 32-bit IDE IO. 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/string.h> 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/module.h> 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ioport.h> 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/slab.h> 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/blkdev.h> 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/errno.h> 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/ide.h> 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/dma-mapping.h> 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/device.h> 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/init.h> 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <linux/scatterlist.h> 18ba5b55d0498bd56b9d60d85c5f654cd7b291e9c8Al Viro#include <linux/io.h> 191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/dma.h> 211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include <asm/ecard.h> 221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2367717e224181527987cce800fa2ddb5c8c1e9315Bartlomiej Zolnierkiewicz#define DRV_NAME "icside" 2467717e224181527987cce800fa2ddb5c8c1e9315Bartlomiej Zolnierkiewicz 251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_IDENT_OFFSET 0x2280 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V5_INTRSTAT 0x0000 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V5_INTROFFSET 0x0004 291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V5_IDEOFFSET 0x2800 301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V5_IDEALTOFFSET 0x2b80 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V5_IDESTEPPING 6 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_IDEOFFSET_1 0x2000 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_INTROFFSET_1 0x2200 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_INTRSTAT_1 0x2290 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_IDEALTOFFSET_1 0x2380 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_IDEOFFSET_2 0x3000 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_INTROFFSET_2 0x3200 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_INTRSTAT_2 0x3290 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_IDEALTOFFSET_2 0x3380 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_ARCIN_V6_IDESTEPPING 6 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct cardinfo { 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int dataoffset; 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int ctrloffset; 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int stepping; 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct cardinfo icside_cardinfo_v5 = { 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dataoffset = ICS_ARCIN_V5_IDEOFFSET, 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ctrloffset = ICS_ARCIN_V5_IDEALTOFFSET, 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stepping = ICS_ARCIN_V5_IDESTEPPING, 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct cardinfo icside_cardinfo_v6_1 = { 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dataoffset = ICS_ARCIN_V6_IDEOFFSET_1, 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_1, 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stepping = ICS_ARCIN_V6_IDESTEPPING, 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct cardinfo icside_cardinfo_v6_2 = { 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .dataoffset = ICS_ARCIN_V6_IDEOFFSET_2, 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .ctrloffset = ICS_ARCIN_V6_IDEALTOFFSET_2, 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .stepping = ICS_ARCIN_V6_IDESTEPPING, 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstruct icside_state { 68f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz unsigned int channel; 69f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz unsigned int enabled; 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *irq_port; 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ioc_base; 7226839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz unsigned int sel; 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int type; 7448c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz struct ide_host *host; 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_TYPE_A3IN 0 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_TYPE_A3USER 1 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_TYPE_V6 3 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_TYPE_V5 15 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define ICS_TYPE_NOTYPE ((unsigned int)-1) 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ---------------- Version 5 PCB Support Functions --------------------- */ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Prototype: icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : enable interrupts from card 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_irqenable_arcin_v5 (struct expansion_card *ec, int irqnr) 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ec->irq_data; 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0, state->irq_port + ICS_ARCIN_V5_INTROFFSET); 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Prototype: icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) 951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : disable interrupts from card 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_irqdisable_arcin_v5 (struct expansion_card *ec, int irqnr) 981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ec->irq_data; 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readb(state->irq_port + ICS_ARCIN_V5_INTROFFSET); 1021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const expansioncard_ops_t icside_ops_arcin_v5 = { 1051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irqenable = icside_irqenable_arcin_v5, 1061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irqdisable = icside_irqdisable_arcin_v5, 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* ---------------- Version 6 PCB Support Functions --------------------- */ 1111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Prototype: icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) 1121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : enable interrupts from card 1131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_irqenable_arcin_v6 (struct expansion_card *ec, int irqnr) 1151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ec->irq_data; 1171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *base = state->irq_port; 1181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 119f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz state->enabled = 1; 1201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 121f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz switch (state->channel) { 122f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz case 0: 123f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz writeb(0, base + ICS_ARCIN_V6_INTROFFSET_1); 124f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(base + ICS_ARCIN_V6_INTROFFSET_2); 125f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz break; 126f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz case 1: 127f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz writeb(0, base + ICS_ARCIN_V6_INTROFFSET_2); 128f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(base + ICS_ARCIN_V6_INTROFFSET_1); 129f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz break; 130f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz } 1311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Prototype: icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) 1341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : disable interrupts from card 1351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_irqdisable_arcin_v6 (struct expansion_card *ec, int irqnr) 1371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ec->irq_data; 1391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 140f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz state->enabled = 0; 141f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 1421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); 1431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); 1441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* Prototype: icside_irqprobe(struct expansion_card *ec) 1471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Purpose : detect an active interrupt from card 1481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 1491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int icside_irqpending_arcin_v6(struct expansion_card *ec) 1501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 1511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ec->irq_data; 1521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_1) & 1 || 1541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds readb(state->irq_port + ICS_ARCIN_V6_INTRSTAT_2) & 1; 1551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 1561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const expansioncard_ops_t icside_ops_arcin_v6 = { 1581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irqenable = icside_irqenable_arcin_v6, 1591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irqdisable = icside_irqdisable_arcin_v6, 1601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .irqpending = icside_irqpending_arcin_v6, 1611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 1621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 163f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz/* 164f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz * Handle routing of interrupts. This is called before 165f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz * we write the command to the drive. 166f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz */ 167f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewiczstatic void icside_maskproc(ide_drive_t *drive, int mask) 168f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz{ 169f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 170f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz struct expansion_card *ec = ECARD_DEV(hwif->dev); 171f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz struct icside_state *state = ecard_get_drvdata(ec); 172f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz unsigned long flags; 173f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 174f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz local_irq_save(flags); 175f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 176f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz state->channel = hwif->channel; 177f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 178f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz if (state->enabled && !mask) { 179f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz switch (hwif->channel) { 180f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz case 0: 181f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); 182f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); 183f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz break; 184f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz case 1: 185f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz writeb(0, state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); 186f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); 187f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz break; 188f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz } 189f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz } else { 190f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_2); 191f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz readb(state->irq_port + ICS_ARCIN_V6_INTROFFSET_1); 192f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz } 193f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 194f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz local_irq_restore(flags); 195f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz} 196f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 197f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewiczstatic const struct ide_port_ops icside_v6_no_dma_port_ops = { 198f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz .maskproc = icside_maskproc, 199f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz}; 200f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 2011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef CONFIG_BLK_DEV_IDEDMA_ICS 2021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * SG-DMA support. 2041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Similar to the BM-DMA, but we use the RiscPCs IOMD DMA controllers. 2061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * There is only one DMA controller per card, which means that only 2071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * one drive can be accessed at one time. NOTE! We do not enforce that 2081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * here, but we rely on the main IDE driver spotting that both 2091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * interfaces use the same IRQ, which should guarantee this. 2101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 2131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Configure the IOMD to give the appropriate timings for the transfer 2141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * mode being requested. We take the advice of the ATA standards, and 2151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * calculate the cycle time based on the transfer mode, and the EIDE 2161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MW DMA specs that the drive provides in the IDENTIFY command. 2171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We have the following IOMD DMA modes to choose from: 2191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Type Active Recovery Cycle 2211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * A 250 (250) 312 (550) 562 (800) 2221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * B 187 250 437 2231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * C 125 (125) 125 (375) 250 (500) 2241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * D 62 125 187 2251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * (figures in brackets are actual measured timings) 2271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * However, we also need to take care of the read/write active and 2291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * recovery timings: 2301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 2311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Read Write 2321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Mode Active -- Recovery -- Cycle IOMD type 2331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MW0 215 50 215 480 A 2341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MW1 80 50 50 150 C 2351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * MW2 70 25 25 120 C 2361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2378776168ca2151850164af1de5565d01f7b8b2c53Bartlomiej Zolnierkiewiczstatic void icside_set_dma_mode(ide_hwif_t *hwif, ide_drive_t *drive) 2381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2395bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos unsigned long cycle_time; 2405bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos int use_dma_info = 0; 2418776168ca2151850164af1de5565d01f7b8b2c53Bartlomiej Zolnierkiewicz const u8 xfer_mode = drive->dma_mode; 2421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (xfer_mode) { 2441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_MW_DMA_2: 2451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cycle_time = 250; 2461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds use_dma_info = 1; 2471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_MW_DMA_1: 2501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cycle_time = 250; 2511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds use_dma_info = 1; 2521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_MW_DMA_0: 2551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cycle_time = 480; 2561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_SW_DMA_2: 2591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_SW_DMA_1: 2601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case XFER_SW_DMA_0: 2611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds cycle_time = 480; 2621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 2631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 2641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 2661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * If we're going to be doing MW_DMA_1 or MW_DMA_2, we should 2671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * take care to note the values in the ID... 2681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 2694dde4492d850a4c9bcaa92e5bd7f4eebe3e2f5abBartlomiej Zolnierkiewicz if (use_dma_info && drive->id[ATA_ID_EIDE_DMA_TIME] > cycle_time) 2704dde4492d850a4c9bcaa92e5bd7f4eebe3e2f5abBartlomiej Zolnierkiewicz cycle_time = drive->id[ATA_ID_EIDE_DMA_TIME]; 2711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2725bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos ide_set_drivedata(drive, (void *)cycle_time); 2731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds printk("%s: %s selected (peak %dMB/s)\n", drive->name, 2755bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos ide_xfer_verbose(xfer_mode), 2765bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos 2000 / (unsigned long)ide_get_drivedata(drive)); 2771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 279ac95beedf8bc97b24f9540d4da9952f07221c023Bartlomiej Zolnierkiewiczstatic const struct ide_port_ops icside_v6_port_ops = { 280ac95beedf8bc97b24f9540d4da9952f07221c023Bartlomiej Zolnierkiewicz .set_dma_mode = icside_set_dma_mode, 281f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz .maskproc = icside_maskproc, 282ac95beedf8bc97b24f9540d4da9952f07221c023Bartlomiej Zolnierkiewicz}; 283ac95beedf8bc97b24f9540d4da9952f07221c023Bartlomiej Zolnierkiewicz 28415ce926ada545cb078711bd9a18c083c93fa01d7Bartlomiej Zolnierkiewiczstatic void icside_dma_host_set(ide_drive_t *drive, int on) 2851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 2861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int icside_dma_end(ide_drive_t *drive) 2891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 290898ec223fea2a2df88035e58dbf50f493577e225Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 291f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz struct expansion_card *ec = ECARD_DEV(hwif->dev); 2921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 293f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz disable_dma(ec->dma); 2941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 295f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz return get_dma_residue(ec->dma) != 0; 2961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 2971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 2981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_dma_start(ide_drive_t *drive) 2991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 300898ec223fea2a2df88035e58dbf50f493577e225Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 301f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz struct expansion_card *ec = ECARD_DEV(hwif->dev); 3021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* We can not enable DMA on both channels simultaneously. */ 304f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz BUG_ON(dma_channel_active(ec->dma)); 305f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz enable_dma(ec->dma); 3061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3082298169418f43ba5e0919762a4bab95a1227872aBartlomiej Zolnierkiewiczstatic int icside_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd) 3091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 310898ec223fea2a2df88035e58dbf50f493577e225Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 311f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz struct expansion_card *ec = ECARD_DEV(hwif->dev); 31226839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz struct icside_state *state = ecard_get_drvdata(ec); 3131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int dma_mode; 3141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3152298169418f43ba5e0919762a4bab95a1227872aBartlomiej Zolnierkiewicz if (cmd->tf_flags & IDE_TFLAG_WRITE) 3161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_mode = DMA_MODE_WRITE; 3171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds else 3181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dma_mode = DMA_MODE_READ; 3191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * We can not enable DMA on both channels. 3221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 323f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz BUG_ON(dma_channel_active(ec->dma)); 3241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 326f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz * Ensure that we have the right interrupt routed. 327f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz */ 328f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz icside_maskproc(drive, 0); 329f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz 330f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz /* 3311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Route the DMA signals to the correct interface. 3321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 33326839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz writeb(state->sel | hwif->channel, state->ioc_base); 3341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Select the correct timing for this drive. 3371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3385bfb151f1f565e6082304a30e8c81dfb6ed0b0c8Joao Ramos set_dma_speed(ec->dma, (unsigned long)ide_get_drivedata(drive)); 3391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 3411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Tell the DMA engine about the SG table and 3421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * data direction. 3431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 3442298169418f43ba5e0919762a4bab95a1227872aBartlomiej Zolnierkiewicz set_dma_sg(ec->dma, hwif->sg_table, cmd->sg_nents); 345f8341c1c19730f1869f2f12e30fe56ff4afb4189Bartlomiej Zolnierkiewicz set_dma_mode(ec->dma, dma_mode); 3461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 3481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int icside_dma_test_irq(ide_drive_t *drive) 3511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 352898ec223fea2a2df88035e58dbf50f493577e225Bartlomiej Zolnierkiewicz ide_hwif_t *hwif = drive->hwif; 35326839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz struct expansion_card *ec = ECARD_DEV(hwif->dev); 35426839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz struct icside_state *state = ecard_get_drvdata(ec); 3551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 3561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return readb(state->irq_port + 3571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds (hwif->channel ? 3581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ICS_ARCIN_V6_INTRSTAT_2 : 3591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ICS_ARCIN_V6_INTRSTAT_1)) & 1; 3601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 36291432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewiczstatic int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d) 3631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwif->dmatable_cpu = NULL; 3651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds hwif->dmatable_dma = 0; 3661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 36791432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz return 0; 3681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 3695e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz 370f37afdaca711838b50ecd89b9c15fc745270d77cBartlomiej Zolnierkiewiczstatic const struct ide_dma_ops icside_v6_dma_ops = { 3715e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_host_set = icside_dma_host_set, 3725e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_setup = icside_dma_setup, 3735e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_start = icside_dma_start, 3745e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_end = icside_dma_end, 3755e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_test_irq = icside_dma_test_irq, 376de23ec9ca82357e6d337a2263befb1a65cf19c83Bartlomiej Zolnierkiewicz .dma_lost_irq = ide_dma_lost_irq, 3775e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz}; 3785e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz#else 3795e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz#define icside_v6_dma_ops NULL 3801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 3811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 38291432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewiczstatic int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d) 38391432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz{ 38491432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz return -EOPNOTSUPP; 38591432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz} 38691432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz 3879f36d31437922354d104a2db407f397e79e4027eBartlomiej Zolnierkiewiczstatic void icside_setup_ports(struct ide_hw *hw, void __iomem *base, 388b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz struct cardinfo *info, struct expansion_card *ec) 3891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 3901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long port = (unsigned long)base + info->dataoffset; 3911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 392b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.data_addr = port; 393b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.error_addr = port + (1 << info->stepping); 394b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.nsect_addr = port + (2 << info->stepping); 395b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.lbal_addr = port + (3 << info->stepping); 396b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.lbam_addr = port + (4 << info->stepping); 397b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.lbah_addr = port + (5 << info->stepping); 398b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.device_addr = port + (6 << info->stepping); 399b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.status_addr = port + (7 << info->stepping); 400b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->io_ports.ctl_addr = (unsigned long)base + info->ctrloffset; 401b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz 402b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->irq = ec->irq; 403b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz hw->dev = &ec->dev; 4041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 40633050ec7a2b83bc048b2322c79af25df6fdcb879Bartlomiej Zolnierkiewiczstatic const struct ide_port_info icside_v5_port_info = { 40733050ec7a2b83bc048b2322c79af25df6fdcb879Bartlomiej Zolnierkiewicz .host_flags = IDE_HFLAG_NO_DMA, 40829e52cf793ded6bece50de50e738596f94f07d9fBartlomiej Zolnierkiewicz .chipset = ide_acorn, 40933050ec7a2b83bc048b2322c79af25df6fdcb879Bartlomiej Zolnierkiewicz}; 41033050ec7a2b83bc048b2322c79af25df6fdcb879Bartlomiej Zolnierkiewicz 411d16d7667f9c211e8d9b7e2365cc3d3a83fc6a8e2Al Virostatic int __devinit 4121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsicside_register_v5(struct icside_state *state, struct expansion_card *ec) 4131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *base; 41548c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz struct ide_host *host; 4169f36d31437922354d104a2db407f397e79e4027eBartlomiej Zolnierkiewicz struct ide_hw hw, *hws[] = { &hw }; 4178a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz int ret; 4181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41910bdaaa0fad620145cf10e2b573266b2d80b44deRussell King base = ecardm_iomap(ec, ECARD_RES_MEMC, 0, 0); 4201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!base) 4211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENOMEM; 4221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->irq_port = base; 4241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ec->irqaddr = base + ICS_ARCIN_V5_INTRSTAT; 4261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ec->irqmask = 1; 427c7b87f3d5037a35b5c7bb916ffc826be3fcb208dRussell King 428c7b87f3d5037a35b5c7bb916ffc826be3fcb208dRussell King ecard_setirq(ec, &icside_ops_arcin_v5, state); 4291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Be on the safe side - disable interrupts 4321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds icside_irqdisable_arcin_v5(ec, 0); 4341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 435b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz icside_setup_ports(&hw, base, &icside_cardinfo_v5, ec); 436b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz 437dca3983059a4481e4ae97bbf0ac4b4c21429e1a5Bartlomiej Zolnierkiewicz host = ide_host_alloc(&icside_v5_port_info, hws, 1); 43848c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz if (host == NULL) 4391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return -ENODEV; 4401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 44148c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz state->host = host; 4421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 44326839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz ecard_set_drvdata(ec, state); 44426839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz 44533050ec7a2b83bc048b2322c79af25df6fdcb879Bartlomiej Zolnierkiewicz ret = ide_host_register(host, &icside_v5_port_info, hws); 4468a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz if (ret) 4478a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz goto err_free; 4481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 4508a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewiczerr_free: 4518a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz ide_host_free(host); 4528a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz ecard_set_drvdata(ec, NULL); 4538a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz return ret; 4541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 4551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 456c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewiczstatic const struct ide_port_info icside_v6_port_info __initdata = { 45791432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz .init_dma = icside_dma_off_init, 458f75d4a238770d83d3a0475ce7f34e3fa37de161eBartlomiej Zolnierkiewicz .port_ops = &icside_v6_no_dma_port_ops, 4595e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz .dma_ops = &icside_v6_dma_ops, 460c5dd43ec65c1e1e378df043d517d40ed70a32cbeBartlomiej Zolnierkiewicz .host_flags = IDE_HFLAG_SERIALIZE | IDE_HFLAG_MMIO, 461c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewicz .mwdma_mask = ATA_MWDMA2, 462c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewicz .swdma_mask = ATA_SWDMA2, 46329e52cf793ded6bece50de50e738596f94f07d9fBartlomiej Zolnierkiewicz .chipset = ide_acorn, 464c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewicz}; 465c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewicz 466d16d7667f9c211e8d9b7e2365cc3d3a83fc6a8e2Al Virostatic int __devinit 4671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsicside_register_v6(struct icside_state *state, struct expansion_card *ec) 4681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 4691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *ioc_base, *easi_base; 47048c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz struct ide_host *host; 4711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int sel = 0; 4721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 4739f36d31437922354d104a2db407f397e79e4027eBartlomiej Zolnierkiewicz struct ide_hw hw[2], *hws[] = { &hw[0], &hw[1] }; 474c413b9b94d9a8e7548cc4b2e04b7df0439ce76fdBartlomiej Zolnierkiewicz struct ide_port_info d = icside_v6_port_info; 4751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 47610bdaaa0fad620145cf10e2b573266b2d80b44deRussell King ioc_base = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); 4771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!ioc_base) { 4781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENOMEM; 4791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 4801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds easi_base = ioc_base; 4831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ecard_resource_flags(ec, ECARD_RES_EASI)) { 48510bdaaa0fad620145cf10e2b573266b2d80b44deRussell King easi_base = ecardm_iomap(ec, ECARD_RES_EASI, 0, 0); 4861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!easi_base) { 4871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENOMEM; 48810bdaaa0fad620145cf10e2b573266b2d80b44deRussell King goto out; 4891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 4921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Enable access to the EASI region. 4931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 4941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds sel = 1 << 5; 4951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 4961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 4971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(sel, ioc_base); 4981da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 499c7b87f3d5037a35b5c7bb916ffc826be3fcb208dRussell King ecard_setirq(ec, &icside_ops_arcin_v6, state); 5001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->irq_port = easi_base; 5021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->ioc_base = ioc_base; 50326839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz state->sel = sel; 5041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 5061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Be on the safe side - disable interrupts 5071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 5081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds icside_irqdisable_arcin_v6(ec, 0); 5091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 510b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz icside_setup_ports(&hw[0], easi_base, &icside_cardinfo_v6_1, ec); 511b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz icside_setup_ports(&hw[1], easi_base, &icside_cardinfo_v6_2, ec); 512b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz 513dca3983059a4481e4ae97bbf0ac4b4c21429e1a5Bartlomiej Zolnierkiewicz host = ide_host_alloc(&d, hws, 2); 51448c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz if (host == NULL) 515b25afdf1336237fb0e4021eb35744e577e19bd14Bartlomiej Zolnierkiewicz return -ENODEV; 5161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51748c3c1072651922ed153bcf0a33ea82cf20df390Bartlomiej Zolnierkiewicz state->host = host; 5181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51926839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz ecard_set_drvdata(ec, state); 5201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 52167717e224181527987cce800fa2ddb5c8c1e9315Bartlomiej Zolnierkiewicz if (ec->dma != NO_DMA && !request_dma(ec->dma, DRV_NAME)) { 52291432f48094db32579776bd0a9d8432b16dc0a09Bartlomiej Zolnierkiewicz d.init_dma = icside_dma_init; 5239c391bae6a65bd39962877ad7dc000b600757bbeAl Viro d.port_ops = &icside_v6_port_ops; 524acc8dbe7f44f1bab6fcf21f2d5efb32ea92e19fdBartlomiej Zolnierkiewicz } else 5255e37bdc081a980dd0d669e6387bcf15ca9666f81Bartlomiej Zolnierkiewicz d.dma_ops = NULL; 5261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 527d224b6269e4731a82f648bb0281ea1a4d8b3311dBartlomiej Zolnierkiewicz ret = ide_host_register(host, &d, hws); 5288a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz if (ret) 5298a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz goto err_free; 5301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return 0; 5328a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewiczerr_free: 5338a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz ide_host_free(host); 5348a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz if (d.dma_ops) 5358a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz free_dma(ec->dma); 5368a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewicz ecard_set_drvdata(ec, NULL); 5378a69580e1ea9516caada5eed202afd39546e9809Bartlomiej Zolnierkiewiczout: 5381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 5391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 5401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __devinit 5421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsicside_probe(struct expansion_card *ec, const struct ecard_id *id) 5431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 5441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state; 5451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds void __iomem *idmem; 5461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds int ret; 5471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = ecard_request_resources(ec); 5491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ret) 5501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 5511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 552cc60d8baa35c995bf8c40a9730b894993ddb43b9Mariusz Kozlowski state = kzalloc(sizeof(struct icside_state), GFP_KERNEL); 5531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (!state) { 5541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENOMEM; 5551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto release; 5561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->type = ICS_TYPE_NOTYPE; 5591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 56010bdaaa0fad620145cf10e2b573266b2d80b44deRussell King idmem = ecardm_iomap(ec, ECARD_RES_IOCFAST, 0, 0); 5611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (idmem) { 5621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned int type; 5631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type = readb(idmem + ICS_IDENT_OFFSET) & 1; 5651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type |= (readb(idmem + ICS_IDENT_OFFSET + 4) & 1) << 1; 5661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type |= (readb(idmem + ICS_IDENT_OFFSET + 8) & 1) << 2; 5671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds type |= (readb(idmem + ICS_IDENT_OFFSET + 12) & 1) << 3; 56810bdaaa0fad620145cf10e2b573266b2d80b44deRussell King ecardm_iounmap(ec, idmem); 5691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds state->type = type; 5711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (state->type) { 5741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_A3IN: 5751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&ec->dev, "A3IN unsupported\n"); 5761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENODEV; 5771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_A3USER: 5801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&ec->dev, "A3USER unsupported\n"); 5811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENODEV; 5821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_V5: 5851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = icside_register_v5(state, ec); 5861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_V6: 5891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = icside_register_v6(state, ec); 5901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 5921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds default: 5931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds dev_warn(&ec->dev, "unknown interface type\n"); 5941da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ret = -ENODEV; 5951da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 5961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 5971da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 59826839f09ca2d0f4239e546cd912bc9f4694f3c5eBartlomiej Zolnierkiewicz if (ret == 0) 5991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds goto out; 6001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(state); 6021da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds release: 6031da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ecard_release_resources(ec); 6041da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds out: 6051da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ret; 6061da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void __devexit icside_remove(struct expansion_card *ec) 6091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ecard_get_drvdata(ec); 6111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds switch (state->type) { 6131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_V5: 6141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: tell IDE to stop using the interface */ 6151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable interrupts */ 6171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds icside_irqdisable_arcin_v5(ec, 0); 6181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6191da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds case ICS_TYPE_V6: 6211da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* FIXME: tell IDE to stop using the interface */ 6221da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (ec->dma != NO_DMA) 6231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds free_dma(ec->dma); 6241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6251da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Disable interrupts */ 6261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds icside_irqdisable_arcin_v6(ec, 0); 6271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* Reset the ROM pointer/EASI selection */ 6291da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0, state->ioc_base); 6301da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds break; 6311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } 6321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ecard_set_drvdata(ec, NULL); 6341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds kfree(state); 6361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ecard_release_resources(ec); 6371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic void icside_shutdown(struct expansion_card *ec) 6401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds struct icside_state *state = ecard_get_drvdata(ec); 6421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds unsigned long flags; 6431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Disable interrupts from this card. We need to do 6461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this before disabling EASI since we may be accessing 6471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * this register via that region. 6481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_save(flags); 6501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds ec->ops->irqdisable(ec, 0); 6511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds local_irq_restore(flags); 6521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds /* 6541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Reset the ROM pointer so that we can read the ROM 6551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * after a soft reboot. This also disables access to 6561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the IDE taskfile via the EASI region. 6571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 6581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (state->ioc_base) 6591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds writeb(0, state->ioc_base); 6601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic const struct ecard_id icside_ids[] = { 6631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { MANU_ICS, PROD_ICS_IDE }, 6641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { MANU_ICS2, PROD_ICS2_IDE }, 6651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds { 0xffff, 0xffff } 6661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic struct ecard_driver icside_driver = { 6691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .probe = icside_probe, 6701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .remove = __devexit_p(icside_remove), 6711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .shutdown = icside_shutdown, 6721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .id_table = icside_ids, 6731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .drv = { 6741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds .name = "icside", 6751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds }, 6761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds}; 6771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic int __init icside_init(void) 6791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds{ 6801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds return ecard_register_driver(&icside_driver); 6811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds} 6821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6831137fb670465b6b5d15b9db7d01707a5833ee3aeAl Virostatic void __exit icside_exit(void) 6848e27cb1135de4cc69bf358209f91e1f7ba81eca1Bartlomiej Zolnierkiewicz{ 6851137fb670465b6b5d15b9db7d01707a5833ee3aeAl Viro ecard_remove_driver(&icside_driver); 6868e27cb1135de4cc69bf358209f91e1f7ba81eca1Bartlomiej Zolnierkiewicz} 6878e27cb1135de4cc69bf358209f91e1f7ba81eca1Bartlomiej Zolnierkiewicz 6881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_AUTHOR("Russell King <rmk@arm.linux.org.uk>"); 6891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_LICENSE("GPL"); 6901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus TorvaldsMODULE_DESCRIPTION("ICS IDE driver"); 6911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 6921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsmodule_init(icside_init); 6938e27cb1135de4cc69bf358209f91e1f7ba81eca1Bartlomiej Zolnierkiewiczmodule_exit(icside_exit); 694