diff options
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ide-microdrive.c | 574 | ||||
| -rw-r--r-- | hw/ide.c | 542 |
2 files changed, 574 insertions, 542 deletions
diff --git a/hw/ide-microdrive.c b/hw/ide-microdrive.c new file mode 100644 index 0000000000..f055425fae --- /dev/null +++ b/hw/ide-microdrive.c @@ -0,0 +1,574 @@ +/* + * QEMU IDE Emulation: microdrive (CF / PCMCIA) + * + * Copyright (c) 2003 Fabrice Bellard + * Copyright (c) 2006 Openedhand Ltd. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + */ +#include "hw.h" +#include "pc.h" +#include "block.h" +#include "block_int.h" +#include "sysemu.h" +#include "dma.h" +#include "ide-internal.h" +#include "pcmcia.h" + +/***********************************************************/ +/* CF-ATA Microdrive */ + +#define METADATA_SIZE 0x20 + +/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ +typedef struct { + IDEBus bus; + PCMCIACardState card; + uint32_t attr_base; + uint32_t io_base; + + /* Card state */ + uint8_t opt; + uint8_t stat; + uint8_t pins; + + uint8_t ctrl; + uint16_t io; + int cycle; +} MicroDriveState; + +/* Register bitfields */ +enum md_opt { + OPT_MODE_MMAP = 0, + OPT_MODE_IOMAP16 = 1, + OPT_MODE_IOMAP1 = 2, + OPT_MODE_IOMAP2 = 3, + OPT_MODE = 0x3f, + OPT_LEVIREQ = 0x40, + OPT_SRESET = 0x80, +}; +enum md_cstat { + STAT_INT = 0x02, + STAT_PWRDWN = 0x04, + STAT_XE = 0x10, + STAT_IOIS8 = 0x20, + STAT_SIGCHG = 0x40, + STAT_CHANGED = 0x80, +}; +enum md_pins { + PINS_MRDY = 0x02, + PINS_CRDY = 0x20, +}; +enum md_ctrl { + CTRL_IEN = 0x02, + CTRL_SRST = 0x04, +}; + +static inline void md_interrupt_update(MicroDriveState *s) +{ + if (!s->card.slot) + return; + + qemu_set_irq(s->card.slot->irq, + !(s->stat & STAT_INT) && /* Inverted */ + !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && + !(s->opt & OPT_SRESET)); +} + +static void md_set_irq(void *opaque, int irq, int level) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + if (level) + s->stat |= STAT_INT; + else + s->stat &= ~STAT_INT; + + md_interrupt_update(s); +} + +static void md_reset(MicroDriveState *s) +{ + s->opt = OPT_MODE_MMAP; + s->stat = 0; + s->pins = 0; + s->cycle = 0; + s->ctrl = 0; + ide_reset(s->bus.ifs); +} + +static uint8_t md_attr_read(void *opaque, uint32_t at) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + if (at < s->attr_base) { + if (at < s->card.cis_len) + return s->card.cis[at]; + else + return 0x00; + } + + at -= s->attr_base; + + switch (at) { + case 0x00: /* Configuration Option Register */ + return s->opt; + case 0x02: /* Card Configuration Status Register */ + if (s->ctrl & CTRL_IEN) + return s->stat & ~STAT_INT; + else + return s->stat; + case 0x04: /* Pin Replacement Register */ + return (s->pins & PINS_CRDY) | 0x0c; + case 0x06: /* Socket and Copy Register */ + return 0x00; +#ifdef VERBOSE + default: + printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); +#endif + } + + return 0; +} + +static void md_attr_write(void *opaque, uint32_t at, uint8_t value) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + at -= s->attr_base; + + switch (at) { + case 0x00: /* Configuration Option Register */ + s->opt = value & 0xcf; + if (value & OPT_SRESET) + md_reset(s); + md_interrupt_update(s); + break; + case 0x02: /* Card Configuration Status Register */ + if ((s->stat ^ value) & STAT_PWRDWN) + s->pins |= PINS_CRDY; + s->stat &= 0x82; + s->stat |= value & 0x74; + md_interrupt_update(s); + /* Word 170 in Identify Device must be equal to STAT_XE */ + break; + case 0x04: /* Pin Replacement Register */ + s->pins &= PINS_CRDY; + s->pins |= value & PINS_MRDY; + break; + case 0x06: /* Socket and Copy Register */ + break; + default: + printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); + } +} + +static uint16_t md_common_read(void *opaque, uint32_t at) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + IDEState *ifs; + uint16_t ret; + at -= s->io_base; + + switch (s->opt & OPT_MODE) { + case OPT_MODE_MMAP: + if ((at & ~0x3ff) == 0x400) + at = 0; + break; + case OPT_MODE_IOMAP16: + at &= 0xf; + break; + case OPT_MODE_IOMAP1: + if ((at & ~0xf) == 0x3f0) + at -= 0x3e8; + else if ((at & ~0xf) == 0x1f0) + at -= 0x1f0; + break; + case OPT_MODE_IOMAP2: + if ((at & ~0xf) == 0x370) + at -= 0x368; + else if ((at & ~0xf) == 0x170) + at -= 0x170; + } + + switch (at) { + case 0x0: /* Even RD Data */ + case 0x8: + return ide_data_readw(&s->bus, 0); + + /* TODO: 8-bit accesses */ + if (s->cycle) + ret = s->io >> 8; + else { + s->io = ide_data_readw(&s->bus, 0); + ret = s->io & 0xff; + } + s->cycle = !s->cycle; + return ret; + case 0x9: /* Odd RD Data */ + return s->io >> 8; + case 0xd: /* Error */ + return ide_ioport_read(&s->bus, 0x1); + case 0xe: /* Alternate Status */ + ifs = idebus_active_if(&s->bus); + if (ifs->bs) + return ifs->status; + else + return 0; + case 0xf: /* Device Address */ + ifs = idebus_active_if(&s->bus); + return 0xc2 | ((~ifs->select << 2) & 0x3c); + default: + return ide_ioport_read(&s->bus, at); + } + + return 0; +} + +static void md_common_write(void *opaque, uint32_t at, uint16_t value) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + at -= s->io_base; + + switch (s->opt & OPT_MODE) { + case OPT_MODE_MMAP: + if ((at & ~0x3ff) == 0x400) + at = 0; + break; + case OPT_MODE_IOMAP16: + at &= 0xf; + break; + case OPT_MODE_IOMAP1: + if ((at & ~0xf) == 0x3f0) + at -= 0x3e8; + else if ((at & ~0xf) == 0x1f0) + at -= 0x1f0; + break; + case OPT_MODE_IOMAP2: + if ((at & ~0xf) == 0x370) + at -= 0x368; + else if ((at & ~0xf) == 0x170) + at -= 0x170; + } + + switch (at) { + case 0x0: /* Even WR Data */ + case 0x8: + ide_data_writew(&s->bus, 0, value); + break; + + /* TODO: 8-bit accesses */ + if (s->cycle) + ide_data_writew(&s->bus, 0, s->io | (value << 8)); + else + s->io = value & 0xff; + s->cycle = !s->cycle; + break; + case 0x9: + s->io = value & 0xff; + s->cycle = !s->cycle; + break; + case 0xd: /* Features */ + ide_ioport_write(&s->bus, 0x1, value); + break; + case 0xe: /* Device Control */ + s->ctrl = value; + if (value & CTRL_SRST) + md_reset(s); + md_interrupt_update(s); + break; + default: + if (s->stat & STAT_PWRDWN) { + s->pins |= PINS_CRDY; + s->stat &= ~STAT_PWRDWN; + } + ide_ioport_write(&s->bus, at, value); + } +} + +static void md_save(QEMUFile *f, void *opaque) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + int i; + + qemu_put_8s(f, &s->opt); + qemu_put_8s(f, &s->stat); + qemu_put_8s(f, &s->pins); + + qemu_put_8s(f, &s->ctrl); + qemu_put_be16s(f, &s->io); + qemu_put_byte(f, s->cycle); + + idebus_save(f, &s->bus); + + for (i = 0; i < 2; i ++) + ide_save(f, &s->bus.ifs[i]); +} + +static int md_load(QEMUFile *f, void *opaque, int version_id) +{ + MicroDriveState *s = (MicroDriveState *) opaque; + int i; + + if (version_id != 0 && version_id != 3) + return -EINVAL; + + qemu_get_8s(f, &s->opt); + qemu_get_8s(f, &s->stat); + qemu_get_8s(f, &s->pins); + + qemu_get_8s(f, &s->ctrl); + qemu_get_be16s(f, &s->io); + s->cycle = qemu_get_byte(f); + + idebus_load(f, &s->bus, version_id); + + for (i = 0; i < 2; i ++) + ide_load(f, &s->bus.ifs[i], version_id); + + return 0; +} + +static const uint8_t dscm1xxxx_cis[0x14a] = { + [0x000] = CISTPL_DEVICE, /* 5V Device Information */ + [0x002] = 0x03, /* Tuple length = 4 bytes */ + [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ + [0x006] = 0x01, /* Size = 2K bytes */ + [0x008] = CISTPL_ENDMARK, + + [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ + [0x00c] = 0x04, /* Tuple length = 4 byest */ + [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ + [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ + [0x012] = 0x01, /* Size = 2K bytes */ + [0x014] = CISTPL_ENDMARK, + + [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ + [0x018] = 0x02, /* Tuple length = 2 bytes */ + [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ + [0x01c] = 0x01, + + [0x01e] = CISTPL_MANFID, /* Manufacture ID */ + [0x020] = 0x04, /* Tuple length = 4 bytes */ + [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ + [0x024] = 0x00, + [0x026] = 0x00, /* PLMID_CARD = 0000 */ + [0x028] = 0x00, + + [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ + [0x02c] = 0x12, /* Tuple length = 23 bytes */ + [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ + [0x030] = 0x01, /* Minor Version = 1 */ + [0x032] = 'I', + [0x034] = 'B', + [0x036] = 'M', + [0x038] = 0x00, + [0x03a] = 'm', + [0x03c] = 'i', + [0x03e] = 'c', + [0x040] = 'r', + [0x042] = 'o', + [0x044] = 'd', + [0x046] = 'r', + [0x048] = 'i', + [0x04a] = 'v', + [0x04c] = 'e', + [0x04e] = 0x00, + [0x050] = CISTPL_ENDMARK, + + [0x052] = CISTPL_FUNCID, /* Function ID */ + [0x054] = 0x02, /* Tuple length = 2 bytes */ + [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ + [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ + + [0x05a] = CISTPL_FUNCE, /* Function Extension */ + [0x05c] = 0x02, /* Tuple length = 2 bytes */ + [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ + [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ + + [0x062] = CISTPL_FUNCE, /* Function Extension */ + [0x064] = 0x03, /* Tuple length = 3 bytes */ + [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ + [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ + [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ + + [0x06c] = CISTPL_CONFIG, /* Configuration */ + [0x06e] = 0x05, /* Tuple length = 5 bytes */ + [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ + [0x072] = 0x07, /* TPCC_LAST = 7 */ + [0x074] = 0x00, /* TPCC_RADR = 0200 */ + [0x076] = 0x02, + [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ + + [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x07c] = 0x0b, /* Tuple length = 11 bytes */ + [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ + [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ + [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ + [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x086] = 0x55, /* NomV: 5.0 V */ + [0x088] = 0x4d, /* MinV: 4.5 V */ + [0x08a] = 0x5d, /* MaxV: 5.5 V */ + [0x08c] = 0x4e, /* Peakl: 450 mA */ + [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ + [0x090] = 0x00, /* Window descriptor: Window length = 0 */ + [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ + + [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x096] = 0x06, /* Tuple length = 6 bytes */ + [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ + [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x09e] = 0xb5, /* NomV: 3.3 V */ + [0x0a0] = 0x1e, + [0x0a2] = 0x3e, /* Peakl: 350 mA */ + + [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ + [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ + [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x0b0] = 0x55, /* NomV: 5.0 V */ + [0x0b2] = 0x4d, /* MinV: 4.5 V */ + [0x0b4] = 0x5d, /* MaxV: 5.5 V */ + [0x0b6] = 0x4e, /* Peakl: 450 mA */ + [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ + [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ + [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ + [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ + [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ + + [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0c4] = 0x06, /* Tuple length = 6 bytes */ + [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ + [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x0cc] = 0xb5, /* NomV: 3.3 V */ + [0x0ce] = 0x1e, + [0x0d0] = 0x3e, /* Peakl: 350 mA */ + + [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0d4] = 0x12, /* Tuple length = 18 bytes */ + [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ + [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x0de] = 0x55, /* NomV: 5.0 V */ + [0x0e0] = 0x4d, /* MinV: 4.5 V */ + [0x0e2] = 0x5d, /* MaxV: 5.5 V */ + [0x0e4] = 0x4e, /* Peakl: 450 mA */ + [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ + [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ + [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ + [0x0ec] = 0x01, + [0x0ee] = 0x07, /* Address block length = 8 */ + [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ + [0x0f2] = 0x03, + [0x0f4] = 0x01, /* Address block length = 2 */ + [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ + [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ + + [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x0fc] = 0x06, /* Tuple length = 6 bytes */ + [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ + [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x104] = 0xb5, /* NomV: 3.3 V */ + [0x106] = 0x1e, + [0x108] = 0x3e, /* Peakl: 350 mA */ + + [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x10c] = 0x12, /* Tuple length = 18 bytes */ + [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ + [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ + [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ + [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ + [0x116] = 0x55, /* NomV: 5.0 V */ + [0x118] = 0x4d, /* MinV: 4.5 V */ + [0x11a] = 0x5d, /* MaxV: 5.5 V */ + [0x11c] = 0x4e, /* Peakl: 450 mA */ + [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ + [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ + [0x122] = 0x70, /* Field 1 address = 0x0170 */ + [0x124] = 0x01, + [0x126] = 0x07, /* Address block length = 8 */ + [0x128] = 0x76, /* Field 2 address = 0x0376 */ + [0x12a] = 0x03, + [0x12c] = 0x01, /* Address block length = 2 */ + [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ + [0x130] = 0x20, /* TPCE_MI = support power down mode */ + + [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ + [0x134] = 0x06, /* Tuple length = 6 bytes */ + [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ + [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ + [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ + [0x13c] = 0xb5, /* NomV: 3.3 V */ + [0x13e] = 0x1e, + [0x140] = 0x3e, /* Peakl: 350 mA */ + + [0x142] = CISTPL_NO_LINK, /* No Link */ + [0x144] = 0x00, /* Tuple length = 0 bytes */ + + [0x146] = CISTPL_END, /* Tuple End */ +}; + +static int dscm1xxxx_attach(void *opaque) +{ + MicroDriveState *md = (MicroDriveState *) opaque; + md->card.attr_read = md_attr_read; + md->card.attr_write = md_attr_write; + md->card.common_read = md_common_read; + md->card.common_write = md_common_write; + md->card.io_read = md_common_read; + md->card.io_write = md_common_write; + + md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); + md->io_base = 0x0; + + md_reset(md); + md_interrupt_update(md); + + md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive"; + return 0; +} + +static int dscm1xxxx_detach(void *opaque) +{ + MicroDriveState *md = (MicroDriveState *) opaque; + md_reset(md); + return 0; +} + +PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv) +{ + MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState)); + md->card.state = md; + md->card.attach = dscm1xxxx_attach; + md->card.detach = dscm1xxxx_detach; + md->card.cis = dscm1xxxx_cis; + md->card.cis_len = sizeof(dscm1xxxx_cis); + + ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]); + md->bus.ifs[0].is_cf = 1; + md->bus.ifs[0].mdata_size = METADATA_SIZE; + md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE); + + register_savevm("microdrive", -1, 3, md_save, md_load, md); + + return &md->card; +} @@ -26,7 +26,6 @@ #include "pc.h" #include "pci.h" #include "scsi-disk.h" -#include "pcmcia.h" #include "block.h" #include "block_int.h" #include "qemu-timer.h" @@ -2699,544 +2698,3 @@ void ide_dma_cancel(BMDMAState *bm) } } -/***********************************************************/ -/* CF-ATA Microdrive */ - -#define METADATA_SIZE 0x20 - -/* DSCM-1XXXX Microdrive hard disk with CF+ II / PCMCIA interface. */ -typedef struct { - IDEBus bus; - PCMCIACardState card; - uint32_t attr_base; - uint32_t io_base; - - /* Card state */ - uint8_t opt; - uint8_t stat; - uint8_t pins; - - uint8_t ctrl; - uint16_t io; - int cycle; -} MicroDriveState; - -/* Register bitfields */ -enum md_opt { - OPT_MODE_MMAP = 0, - OPT_MODE_IOMAP16 = 1, - OPT_MODE_IOMAP1 = 2, - OPT_MODE_IOMAP2 = 3, - OPT_MODE = 0x3f, - OPT_LEVIREQ = 0x40, - OPT_SRESET = 0x80, -}; -enum md_cstat { - STAT_INT = 0x02, - STAT_PWRDWN = 0x04, - STAT_XE = 0x10, - STAT_IOIS8 = 0x20, - STAT_SIGCHG = 0x40, - STAT_CHANGED = 0x80, -}; -enum md_pins { - PINS_MRDY = 0x02, - PINS_CRDY = 0x20, -}; -enum md_ctrl { - CTRL_IEN = 0x02, - CTRL_SRST = 0x04, -}; - -static inline void md_interrupt_update(MicroDriveState *s) -{ - if (!s->card.slot) - return; - - qemu_set_irq(s->card.slot->irq, - !(s->stat & STAT_INT) && /* Inverted */ - !(s->ctrl & (CTRL_IEN | CTRL_SRST)) && - !(s->opt & OPT_SRESET)); -} - -static void md_set_irq(void *opaque, int irq, int level) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - if (level) - s->stat |= STAT_INT; - else - s->stat &= ~STAT_INT; - - md_interrupt_update(s); -} - -static void md_reset(MicroDriveState *s) -{ - s->opt = OPT_MODE_MMAP; - s->stat = 0; - s->pins = 0; - s->cycle = 0; - s->ctrl = 0; - ide_reset(s->bus.ifs); -} - -static uint8_t md_attr_read(void *opaque, uint32_t at) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - if (at < s->attr_base) { - if (at < s->card.cis_len) - return s->card.cis[at]; - else - return 0x00; - } - - at -= s->attr_base; - - switch (at) { - case 0x00: /* Configuration Option Register */ - return s->opt; - case 0x02: /* Card Configuration Status Register */ - if (s->ctrl & CTRL_IEN) - return s->stat & ~STAT_INT; - else - return s->stat; - case 0x04: /* Pin Replacement Register */ - return (s->pins & PINS_CRDY) | 0x0c; - case 0x06: /* Socket and Copy Register */ - return 0x00; -#ifdef VERBOSE - default: - printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); -#endif - } - - return 0; -} - -static void md_attr_write(void *opaque, uint32_t at, uint8_t value) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - at -= s->attr_base; - - switch (at) { - case 0x00: /* Configuration Option Register */ - s->opt = value & 0xcf; - if (value & OPT_SRESET) - md_reset(s); - md_interrupt_update(s); - break; - case 0x02: /* Card Configuration Status Register */ - if ((s->stat ^ value) & STAT_PWRDWN) - s->pins |= PINS_CRDY; - s->stat &= 0x82; - s->stat |= value & 0x74; - md_interrupt_update(s); - /* Word 170 in Identify Device must be equal to STAT_XE */ - break; - case 0x04: /* Pin Replacement Register */ - s->pins &= PINS_CRDY; - s->pins |= value & PINS_MRDY; - break; - case 0x06: /* Socket and Copy Register */ - break; - default: - printf("%s: Bad attribute space register %02x\n", __FUNCTION__, at); - } -} - -static uint16_t md_common_read(void *opaque, uint32_t at) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - IDEState *ifs; - uint16_t ret; - at -= s->io_base; - - switch (s->opt & OPT_MODE) { - case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) - at = 0; - break; - case OPT_MODE_IOMAP16: - at &= 0xf; - break; - case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) - at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) - at -= 0x1f0; - break; - case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) - at -= 0x368; - else if ((at & ~0xf) == 0x170) - at -= 0x170; - } - - switch (at) { - case 0x0: /* Even RD Data */ - case 0x8: - return ide_data_readw(&s->bus, 0); - - /* TODO: 8-bit accesses */ - if (s->cycle) - ret = s->io >> 8; - else { - s->io = ide_data_readw(&s->bus, 0); - ret = s->io & 0xff; - } - s->cycle = !s->cycle; - return ret; - case 0x9: /* Odd RD Data */ - return s->io >> 8; - case 0xd: /* Error */ - return ide_ioport_read(&s->bus, 0x1); - case 0xe: /* Alternate Status */ - ifs = idebus_active_if(&s->bus); - if (ifs->bs) - return ifs->status; - else - return 0; - case 0xf: /* Device Address */ - ifs = idebus_active_if(&s->bus); - return 0xc2 | ((~ifs->select << 2) & 0x3c); - default: - return ide_ioport_read(&s->bus, at); - } - - return 0; -} - -static void md_common_write(void *opaque, uint32_t at, uint16_t value) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - at -= s->io_base; - - switch (s->opt & OPT_MODE) { - case OPT_MODE_MMAP: - if ((at & ~0x3ff) == 0x400) - at = 0; - break; - case OPT_MODE_IOMAP16: - at &= 0xf; - break; - case OPT_MODE_IOMAP1: - if ((at & ~0xf) == 0x3f0) - at -= 0x3e8; - else if ((at & ~0xf) == 0x1f0) - at -= 0x1f0; - break; - case OPT_MODE_IOMAP2: - if ((at & ~0xf) == 0x370) - at -= 0x368; - else if ((at & ~0xf) == 0x170) - at -= 0x170; - } - - switch (at) { - case 0x0: /* Even WR Data */ - case 0x8: - ide_data_writew(&s->bus, 0, value); - break; - - /* TODO: 8-bit accesses */ - if (s->cycle) - ide_data_writew(&s->bus, 0, s->io | (value << 8)); - else - s->io = value & 0xff; - s->cycle = !s->cycle; - break; - case 0x9: - s->io = value & 0xff; - s->cycle = !s->cycle; - break; - case 0xd: /* Features */ - ide_ioport_write(&s->bus, 0x1, value); - break; - case 0xe: /* Device Control */ - s->ctrl = value; - if (value & CTRL_SRST) - md_reset(s); - md_interrupt_update(s); - break; - default: - if (s->stat & STAT_PWRDWN) { - s->pins |= PINS_CRDY; - s->stat &= ~STAT_PWRDWN; - } - ide_ioport_write(&s->bus, at, value); - } -} - -static void md_save(QEMUFile *f, void *opaque) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - int i; - - qemu_put_8s(f, &s->opt); - qemu_put_8s(f, &s->stat); - qemu_put_8s(f, &s->pins); - - qemu_put_8s(f, &s->ctrl); - qemu_put_be16s(f, &s->io); - qemu_put_byte(f, s->cycle); - - idebus_save(f, &s->bus); - - for (i = 0; i < 2; i ++) - ide_save(f, &s->bus.ifs[i]); -} - -static int md_load(QEMUFile *f, void *opaque, int version_id) -{ - MicroDriveState *s = (MicroDriveState *) opaque; - int i; - - if (version_id != 0 && version_id != 3) - return -EINVAL; - - qemu_get_8s(f, &s->opt); - qemu_get_8s(f, &s->stat); - qemu_get_8s(f, &s->pins); - - qemu_get_8s(f, &s->ctrl); - qemu_get_be16s(f, &s->io); - s->cycle = qemu_get_byte(f); - - idebus_load(f, &s->bus, version_id); - - for (i = 0; i < 2; i ++) - ide_load(f, &s->bus.ifs[i], version_id); - - return 0; -} - -static const uint8_t dscm1xxxx_cis[0x14a] = { - [0x000] = CISTPL_DEVICE, /* 5V Device Information */ - [0x002] = 0x03, /* Tuple length = 4 bytes */ - [0x004] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ - [0x006] = 0x01, /* Size = 2K bytes */ - [0x008] = CISTPL_ENDMARK, - - [0x00a] = CISTPL_DEVICE_OC, /* Additional Device Information */ - [0x00c] = 0x04, /* Tuple length = 4 byest */ - [0x00e] = 0x03, /* Conditions: Ext = 0, Vcc 3.3V, MWAIT = 1 */ - [0x010] = 0xdb, /* ID: DTYPE_FUNCSPEC, non WP, DSPEED_150NS */ - [0x012] = 0x01, /* Size = 2K bytes */ - [0x014] = CISTPL_ENDMARK, - - [0x016] = CISTPL_JEDEC_C, /* JEDEC ID */ - [0x018] = 0x02, /* Tuple length = 2 bytes */ - [0x01a] = 0xdf, /* PC Card ATA with no Vpp required */ - [0x01c] = 0x01, - - [0x01e] = CISTPL_MANFID, /* Manufacture ID */ - [0x020] = 0x04, /* Tuple length = 4 bytes */ - [0x022] = 0xa4, /* TPLMID_MANF = 00a4 (IBM) */ - [0x024] = 0x00, - [0x026] = 0x00, /* PLMID_CARD = 0000 */ - [0x028] = 0x00, - - [0x02a] = CISTPL_VERS_1, /* Level 1 Version */ - [0x02c] = 0x12, /* Tuple length = 23 bytes */ - [0x02e] = 0x04, /* Major Version = JEIDA 4.2 / PCMCIA 2.1 */ - [0x030] = 0x01, /* Minor Version = 1 */ - [0x032] = 'I', - [0x034] = 'B', - [0x036] = 'M', - [0x038] = 0x00, - [0x03a] = 'm', - [0x03c] = 'i', - [0x03e] = 'c', - [0x040] = 'r', - [0x042] = 'o', - [0x044] = 'd', - [0x046] = 'r', - [0x048] = 'i', - [0x04a] = 'v', - [0x04c] = 'e', - [0x04e] = 0x00, - [0x050] = CISTPL_ENDMARK, - - [0x052] = CISTPL_FUNCID, /* Function ID */ - [0x054] = 0x02, /* Tuple length = 2 bytes */ - [0x056] = 0x04, /* TPLFID_FUNCTION = Fixed Disk */ - [0x058] = 0x01, /* TPLFID_SYSINIT: POST = 1, ROM = 0 */ - - [0x05a] = CISTPL_FUNCE, /* Function Extension */ - [0x05c] = 0x02, /* Tuple length = 2 bytes */ - [0x05e] = 0x01, /* TPLFE_TYPE = Disk Device Interface */ - [0x060] = 0x01, /* TPLFE_DATA = PC Card ATA Interface */ - - [0x062] = CISTPL_FUNCE, /* Function Extension */ - [0x064] = 0x03, /* Tuple length = 3 bytes */ - [0x066] = 0x02, /* TPLFE_TYPE = Basic PC Card ATA Interface */ - [0x068] = 0x08, /* TPLFE_DATA: Rotating, Unique, Single */ - [0x06a] = 0x0f, /* TPLFE_DATA: Sleep, Standby, Idle, Auto */ - - [0x06c] = CISTPL_CONFIG, /* Configuration */ - [0x06e] = 0x05, /* Tuple length = 5 bytes */ - [0x070] = 0x01, /* TPCC_RASZ = 2 bytes, TPCC_RMSZ = 1 byte */ - [0x072] = 0x07, /* TPCC_LAST = 7 */ - [0x074] = 0x00, /* TPCC_RADR = 0200 */ - [0x076] = 0x02, - [0x078] = 0x0f, /* TPCC_RMSK = 200, 202, 204, 206 */ - - [0x07a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x07c] = 0x0b, /* Tuple length = 11 bytes */ - [0x07e] = 0xc0, /* TPCE_INDX = Memory Mode, Default, Iface */ - [0x080] = 0xc0, /* TPCE_IF = Memory, no BVDs, no WP, READY */ - [0x082] = 0xa1, /* TPCE_FS = Vcc only, no I/O, Memory, Misc */ - [0x084] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x086] = 0x55, /* NomV: 5.0 V */ - [0x088] = 0x4d, /* MinV: 4.5 V */ - [0x08a] = 0x5d, /* MaxV: 5.5 V */ - [0x08c] = 0x4e, /* Peakl: 450 mA */ - [0x08e] = 0x08, /* TPCE_MS = 1 window, 1 byte, Host address */ - [0x090] = 0x00, /* Window descriptor: Window length = 0 */ - [0x092] = 0x20, /* TPCE_MI: support power down mode, RW */ - - [0x094] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x096] = 0x06, /* Tuple length = 6 bytes */ - [0x098] = 0x00, /* TPCE_INDX = Memory Mode, no Default */ - [0x09a] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x09c] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x09e] = 0xb5, /* NomV: 3.3 V */ - [0x0a0] = 0x1e, - [0x0a2] = 0x3e, /* Peakl: 350 mA */ - - [0x0a4] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0a6] = 0x0d, /* Tuple length = 13 bytes */ - [0x0a8] = 0xc1, /* TPCE_INDX = I/O and Memory Mode, Default */ - [0x0aa] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x0ac] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x0ae] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x0b0] = 0x55, /* NomV: 5.0 V */ - [0x0b2] = 0x4d, /* MinV: 4.5 V */ - [0x0b4] = 0x5d, /* MaxV: 5.5 V */ - [0x0b6] = 0x4e, /* Peakl: 450 mA */ - [0x0b8] = 0x64, /* TPCE_IO = 16-byte boundary, 16/8 accesses */ - [0x0ba] = 0xf0, /* TPCE_IR = MASK, Level, Pulse, Share */ - [0x0bc] = 0xff, /* IRQ0..IRQ7 supported */ - [0x0be] = 0xff, /* IRQ8..IRQ15 supported */ - [0x0c0] = 0x20, /* TPCE_MI = support power down mode */ - - [0x0c2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0c4] = 0x06, /* Tuple length = 6 bytes */ - [0x0c6] = 0x01, /* TPCE_INDX = I/O and Memory Mode */ - [0x0c8] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x0ca] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x0cc] = 0xb5, /* NomV: 3.3 V */ - [0x0ce] = 0x1e, - [0x0d0] = 0x3e, /* Peakl: 350 mA */ - - [0x0d2] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0d4] = 0x12, /* Tuple length = 18 bytes */ - [0x0d6] = 0xc2, /* TPCE_INDX = I/O Primary Mode */ - [0x0d8] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x0da] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x0dc] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x0de] = 0x55, /* NomV: 5.0 V */ - [0x0e0] = 0x4d, /* MinV: 4.5 V */ - [0x0e2] = 0x5d, /* MaxV: 5.5 V */ - [0x0e4] = 0x4e, /* Peakl: 450 mA */ - [0x0e6] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ - [0x0e8] = 0x61, /* Range: 2 fields, 2 bytes addr, 1 byte len */ - [0x0ea] = 0xf0, /* Field 1 address = 0x01f0 */ - [0x0ec] = 0x01, - [0x0ee] = 0x07, /* Address block length = 8 */ - [0x0f0] = 0xf6, /* Field 2 address = 0x03f6 */ - [0x0f2] = 0x03, - [0x0f4] = 0x01, /* Address block length = 2 */ - [0x0f6] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ - [0x0f8] = 0x20, /* TPCE_MI = support power down mode */ - - [0x0fa] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x0fc] = 0x06, /* Tuple length = 6 bytes */ - [0x0fe] = 0x02, /* TPCE_INDX = I/O Primary Mode, no Default */ - [0x100] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x102] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x104] = 0xb5, /* NomV: 3.3 V */ - [0x106] = 0x1e, - [0x108] = 0x3e, /* Peakl: 350 mA */ - - [0x10a] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x10c] = 0x12, /* Tuple length = 18 bytes */ - [0x10e] = 0xc3, /* TPCE_INDX = I/O Secondary Mode, Default */ - [0x110] = 0x41, /* TPCE_IF = I/O and Memory, no BVD, no WP */ - [0x112] = 0x99, /* TPCE_FS = Vcc only, I/O, Interrupt, Misc */ - [0x114] = 0x27, /* NomV = 1, MinV = 1, MaxV = 1, Peakl = 1 */ - [0x116] = 0x55, /* NomV: 5.0 V */ - [0x118] = 0x4d, /* MinV: 4.5 V */ - [0x11a] = 0x5d, /* MaxV: 5.5 V */ - [0x11c] = 0x4e, /* Peakl: 450 mA */ - [0x11e] = 0xea, /* TPCE_IO = 1K boundary, 16/8 access, Range */ - [0x120] = 0x61, /* Range: 2 fields, 2 byte addr, 1 byte len */ - [0x122] = 0x70, /* Field 1 address = 0x0170 */ - [0x124] = 0x01, - [0x126] = 0x07, /* Address block length = 8 */ - [0x128] = 0x76, /* Field 2 address = 0x0376 */ - [0x12a] = 0x03, - [0x12c] = 0x01, /* Address block length = 2 */ - [0x12e] = 0xee, /* TPCE_IR = IRQ E, Level, Pulse, Share */ - [0x130] = 0x20, /* TPCE_MI = support power down mode */ - - [0x132] = CISTPL_CFTABLE_ENTRY, /* 16-bit PC Card Configuration */ - [0x134] = 0x06, /* Tuple length = 6 bytes */ - [0x136] = 0x03, /* TPCE_INDX = I/O Secondary Mode */ - [0x138] = 0x01, /* TPCE_FS = Vcc only, no I/O, no Memory */ - [0x13a] = 0x21, /* NomV = 1, MinV = 0, MaxV = 0, Peakl = 1 */ - [0x13c] = 0xb5, /* NomV: 3.3 V */ - [0x13e] = 0x1e, - [0x140] = 0x3e, /* Peakl: 350 mA */ - - [0x142] = CISTPL_NO_LINK, /* No Link */ - [0x144] = 0x00, /* Tuple length = 0 bytes */ - - [0x146] = CISTPL_END, /* Tuple End */ -}; - -static int dscm1xxxx_attach(void *opaque) -{ - MicroDriveState *md = (MicroDriveState *) opaque; - md->card.attr_read = md_attr_read; - md->card.attr_write = md_attr_write; - md->card.common_read = md_common_read; - md->card.common_write = md_common_write; - md->card.io_read = md_common_read; - md->card.io_write = md_common_write; - - md->attr_base = md->card.cis[0x74] | (md->card.cis[0x76] << 8); - md->io_base = 0x0; - - md_reset(md); - md_interrupt_update(md); - - md->card.slot->card_string = "DSCM-1xxxx Hitachi Microdrive"; - return 0; -} - -static int dscm1xxxx_detach(void *opaque) -{ - MicroDriveState *md = (MicroDriveState *) opaque; - md_reset(md); - return 0; -} - -PCMCIACardState *dscm1xxxx_init(BlockDriverState *bdrv) -{ - MicroDriveState *md = (MicroDriveState *) qemu_mallocz(sizeof(MicroDriveState)); - md->card.state = md; - md->card.attach = dscm1xxxx_attach; - md->card.detach = dscm1xxxx_detach; - md->card.cis = dscm1xxxx_cis; - md->card.cis_len = sizeof(dscm1xxxx_cis); - - ide_init2(&md->bus, bdrv, NULL, qemu_allocate_irqs(md_set_irq, md, 1)[0]); - md->bus.ifs[0].is_cf = 1; - md->bus.ifs[0].mdata_size = METADATA_SIZE; - md->bus.ifs[0].mdata_storage = (uint8_t *) qemu_mallocz(METADATA_SIZE); - - register_savevm("microdrive", -1, 3, md_save, md_load, md); - - return &md->card; -} |