/*====================================================================== Device driver for Intel 82365 and compatible PC Card controllers, and Yenta-compatible PCI-to-CardBus controllers. i82365.c 1.330 2000/12/19 22:12:38 The contents of this file are subject to the Mozilla Public License Version 1.1 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.mozilla.org/MPL/ Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. The initial developer of the original code is David A. Hinds . Portions created by David A. Hinds are Copyright (C) 1999 David A. Hinds. All Rights Reserved. Alternatively, the contents of this file may be used under the terms of the GNU Public License version 2 (the "GPL"), in which case the provisions of the GPL are applicable instead of the above. If you wish to allow the use of your version of this file only under the terms of the GPL and not to allow others to use your version of this file under the MPL, indicate your decision by deleting the provisions above and replace them with the notice and other provisions required by the GPL. If you do not delete the provisions above, a recipient may use your version of this file under either the MPL or the GPL. ======================================================================*/ #include #include #ifdef __LINUX__ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #endif #include #include #include #include /* ISA-bus controllers */ #include "i82365.h" #include "cirrus.h" #include "vg468.h" #include "ricoh.h" #include "o2micro.h" /* PCI-bus controllers */ #include "yenta.h" #include "ti113x.h" #include "smc34c90.h" #include "topic.h" #ifdef PCMCIA_DEBUG static int pc_debug = PCMCIA_DEBUG; MODULE_PARM(pc_debug, "i"); #define DEBUG(n, args...) if (pc_debug>(n)) printk(KERN_DEBUG args) static const char *version = "i82365.c 1.330 2000/12/19 22:12:38 (David Hinds)"; #else #define DEBUG(n, args...) do { } while (0) #endif #ifdef __BEOS__ typedef int32 irq_ret_t; #define _request_irq(i, h, f, n) \ install_io_interrupt_handler(i, h, irq_list+i, 0) #define _free_irq(i, h) remove_io_interrupt_handler(i, h, irq_list+i) #define _check_irq(i, f) check_irq(i) static cs_socket_module_info *cs; static isa_module_info *isa; static pci_module_info *pci; #define RSRC_MGR cs-> #define register_ss_entry cs->_register_ss_entry #define unregister_ss_entry cs->_unregister_ss_entry #define add_timer cs->_add_timer #define del_timer cs->_del_timer #else typedef void irq_ret_t; #define _request_irq(i, h, f, n) request_irq(i, h, f, n, socket) #define _free_irq(i, h) free_irq(i, socket) #endif MODULE_AUTHOR("David Hinds "); MODULE_DESCRIPTION("Intel ExCA/Yenta PCMCIA socket driver"); /*====================================================================*/ /* Parameters that can be set with 'insmod' */ #define INT_MODULE_PARM(n, v) static int n = v; MODULE_PARM(n, "i") /* General options */ INT_MODULE_PARM(poll_interval, 0); /* in ticks, 0 means never */ INT_MODULE_PARM(cycle_time, 120); /* in ns, 120 ns = 8.33 MHz */ INT_MODULE_PARM(do_scan, 1); /* Probe free interrupts? */ /* Cirrus options */ INT_MODULE_PARM(has_dma, -1); INT_MODULE_PARM(has_led, -1); INT_MODULE_PARM(has_ring, -1); INT_MODULE_PARM(dynamic_mode, 0); INT_MODULE_PARM(freq_bypass, -1); INT_MODULE_PARM(setup_time, -1); INT_MODULE_PARM(cmd_time, -1); INT_MODULE_PARM(recov_time, -1); #ifdef CONFIG_ISA INT_MODULE_PARM(i365_base, 0x3e0); /* IO address for probes */ INT_MODULE_PARM(extra_sockets, 0); /* Probe at i365_base+2? */ INT_MODULE_PARM(ignore, -1); /* Ignore this socket # */ INT_MODULE_PARM(cs_irq, 0); /* card status irq */ INT_MODULE_PARM(irq_mask, 0xffff); /* bit map of irq's to use */ static int irq_list[16] = { -1 }; MODULE_PARM(irq_list, "1-16i"); INT_MODULE_PARM(async_clock, -1); /* Vadem specific */ INT_MODULE_PARM(cable_mode, -1); INT_MODULE_PARM(wakeup, 0); /* Cirrus specific */ #endif #ifdef CONFIG_PCI static int pci_irq_list[8] = { 0 }; /* PCI interrupt assignments */ MODULE_PARM(pci_irq_list, "1-8i"); INT_MODULE_PARM(do_pci_probe, 1); /* Scan for PCI bridges? */ INT_MODULE_PARM(fast_pci, -1); INT_MODULE_PARM(cb_write_post, -1); INT_MODULE_PARM(irq_mode, -1); /* Override BIOS routing? */ INT_MODULE_PARM(hold_time, -1); /* Ricoh specific */ INT_MODULE_PARM(p2cclk, -1); /* TI specific */ #endif #if defined(CONFIG_ISA) && defined(CONFIG_PCI) INT_MODULE_PARM(pci_csc, 1); /* PCI card status irqs? */ INT_MODULE_PARM(pci_int, 1); /* PCI IO card irqs? */ #elif defined(CONFIG_ISA) && !defined(CONFIG_PCI) #define pci_csc 0 #define pci_int 0 #elif !defined(CONFIG_ISA) && defined(CONFIG_PCI) #define pci_csc 0 #define pci_int 1 /* We must use PCI irq's */ #else #error "No bus architectures defined!" #endif /*====================================================================*/ typedef struct socket_info_t { u_short type, flags; socket_cap_t cap; ioaddr_t ioaddr; u_short psock; u_char cs_irq, intr; void (*handler)(void *info, u_int events); void *info; #ifdef HAS_PROC_BUS struct proc_dir_entry *proc; #endif u_char pci_irq_code; #ifdef CONFIG_PCI u_short vendor, device; u_char revision, bus, devfn; u_short bcr; u_char pci_lat, cb_lat, sub_bus, cache; u_int cb_phys; char *cb_virt; #endif union { cirrus_state_t cirrus; vg46x_state_t vg46x; o2micro_state_t o2micro; ti113x_state_t ti113x; ricoh_state_t ricoh; topic_state_t topic; } state; } socket_info_t; /* Where we keep track of our sockets... */ static int sockets = 0; static socket_info_t socket[8] = { { 0, }, /* ... */ }; #ifdef CONFIG_ISA static int grab_irq; #ifdef USE_SPIN_LOCKS static spinlock_t isa_lock = SPIN_LOCK_UNLOCKED; #endif #define ISA_LOCK(s, f) \ if (!((s)->flags & IS_CARDBUS)) spin_lock_irqsave(&isa_lock, f) #define ISA_UNLOCK(n, f) \ if (!((s)->flags & IS_CARDBUS)) spin_unlock_irqrestore(&isa_lock, f) #else #define ISA_LOCK(n, f) do { } while (0) #define ISA_UNLOCK(n, f) do { } while (0) #endif static void pcic_interrupt_wrapper(u_long data); static struct timer_list poll_timer = { function: pcic_interrupt_wrapper }; #define flip(v,b,f) (v = ((f)<0) ? v : ((f) ? ((v)|(b)) : ((v)&(~b)))) /*====================================================================*/ /* Some PCI shortcuts */ #ifdef CONFIG_PCI static int pci_readb(socket_info_t *s, int r, u_char *v) { return pcibios_read_config_byte(s->bus, s->devfn, r, v); } static int pci_writeb(socket_info_t *s, int r, u_char v) { return pcibios_write_config_byte(s->bus, s->devfn, r, v); } static int pci_readw(socket_info_t *s, int r, u_short *v) { return pcibios_read_config_word(s->bus, s->devfn, r, v); } static int pci_writew(socket_info_t *s, int r, u_short v) { return pcibios_write_config_word(s->bus, s->devfn, r, v); } static int pci_readl(socket_info_t *s, int r, u_int *v) { return pcibios_read_config_dword(s->bus, s->devfn, r, v); } static int pci_writel(socket_info_t *s, int r, u_int v) { return pcibios_write_config_dword(s->bus, s->devfn, r, v); } #endif #define cb_readb(s, r) readb((s)->cb_virt + (r)) #define cb_readl(s, r) readl((s)->cb_virt + (r)) #define cb_writeb(s, r, v) writeb(v, (s)->cb_virt + (r)) #define cb_writel(s, r, v) writel(v, (s)->cb_virt + (r)) /*====================================================================*/ /* These definitions must match the pcic table! */ typedef enum pcic_id { #ifdef CONFIG_ISA IS_I82365A, IS_I82365B, IS_I82365DF, IS_IBM, IS_RF5Cx96, IS_VLSI, IS_VG468, IS_VG469, IS_PD6710, IS_PD672X, IS_VT83C469, #endif #ifdef CONFIG_PCI IS_I82092AA, IS_OM82C092G, CIRRUS_PCIC_ID, O2MICRO_PCIC_ID, RICOH_PCIC_ID, SMC_PCIC_ID, TI_PCIC_ID, TOPIC_PCIC_ID, IS_UNK_PCI, IS_UNK_CARDBUS #endif } pcic_id; /* Flags for classifying groups of controllers */ #define IS_VADEM 0x0001 #define IS_CIRRUS 0x0002 #define IS_TI 0x0004 #define IS_O2MICRO 0x0008 #define IS_TOPIC 0x0020 #define IS_RICOH 0x0040 #define IS_UNKNOWN 0x0400 #define IS_VG_PWR 0x0800 #define IS_DF_PWR 0x1000 #define IS_PCI 0x2000 #define IS_CARDBUS 0x4000 #define IS_ALIVE 0x8000 typedef struct pcic_t { char *name; u_short flags; #ifdef CONFIG_PCI u_short vendor, device; #endif } pcic_t; #define ID(a,b) PCI_VENDOR_ID_##a,PCI_DEVICE_ID_##a##_##b static pcic_t pcic[] = { #ifdef CONFIG_ISA { "Intel i82365sl A step", 0 }, { "Intel i82365sl B step", 0 }, { "Intel i82365sl DF", IS_DF_PWR }, { "IBM Clone", 0 }, { "Ricoh RF5C296/396", 0 }, { "VLSI 82C146", 0 }, { "Vadem VG-468", IS_VADEM }, { "Vadem VG-469", IS_VADEM|IS_VG_PWR }, { "Cirrus PD6710", IS_CIRRUS }, { "Cirrus PD672x", IS_CIRRUS }, { "VIA VT83C469", IS_CIRRUS }, #endif #ifdef CONFIG_PCI { "Intel 82092AA", IS_PCI, ID(INTEL, 82092AA_0) }, { "Omega Micro 82C092G", IS_PCI, ID(OMEGA, 82C092G) }, CIRRUS_PCIC_INFO, O2MICRO_PCIC_INFO, RICOH_PCIC_INFO, SMC_PCIC_INFO, TI_PCIC_INFO, TOPIC_PCIC_INFO, { "Unknown", IS_PCI|IS_UNKNOWN, 0, 0 }, { "Unknown", IS_CARDBUS|IS_UNKNOWN, 0, 0 } #endif }; #define PCIC_COUNT (sizeof(pcic)/sizeof(pcic_t)) /*====================================================================*/ static u_char i365_get(socket_info_t *s, u_short reg) { #ifdef CONFIG_PCI if (s->cb_virt) return cb_readb(s, 0x0800 + reg); #endif outb(I365_REG(s->psock, reg), s->ioaddr); return inb(s->ioaddr+1); } static void i365_set(socket_info_t *s, u_short reg, u_char data) { #ifdef CONFIG_PCI if (s->cb_virt) { cb_writeb(s, 0x0800 + reg, data); return; } #endif outb(I365_REG(s->psock, reg), s->ioaddr); outb(data, s->ioaddr+1); } static void i365_bset(socket_info_t *s, u_short reg, u_char mask) { i365_set(s, reg, i365_get(s, reg) | mask); } static void i365_bclr(socket_info_t *s, u_short reg, u_char mask) { i365_set(s, reg, i365_get(s, reg) & ~mask); } static void i365_bflip(socket_info_t *s, u_short reg, u_char mask, int b) { u_char d = i365_get(s, reg); i365_set(s, reg, (b) ? (d | mask) : (d & ~mask)); } static u_short i365_get_pair(socket_info_t *s, u_short reg) { return (i365_get(s, reg) + (i365_get(s, reg+1) << 8)); } static void i365_set_pair(socket_info_t *s, u_short reg, u_short data) { i365_set(s, reg, data & 0xff); i365_set(s, reg+1, data >> 8); } /*====================================================================== Code to save and restore global state information for Cirrus PD67xx controllers, and to set and report global configuration options. The VIA controllers also use these routines, as they are mostly Cirrus lookalikes, without the timing registers. ======================================================================*/ #ifdef CONFIG_PCI static int __init get_pci_irq(socket_info_t *s) { u8 irq; #ifdef __BEOS__ pci_readb(s, PCI_INTERRUPT_LINE, &irq); #else irq = pci_find_slot(s->bus, s->devfn)->irq; #endif if ((irq == 0) && (pci_csc || pci_int)) irq = pci_irq_list[s - socket]; if (irq >= NR_IRQS) irq = 0; s->cap.pci_irq = irq; return irq; } #endif static void __init cirrus_get_state(socket_info_t *s) { cirrus_state_t *p = &s->state.cirrus; int i; p->misc1 = i365_get(s, PD67_MISC_CTL_1); p->misc1 &= (PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); p->misc2 = i365_get(s, PD67_MISC_CTL_2); if (s->flags & IS_PCI) p->ectl1 = pd67_ext_get(s, PD67_EXT_CTL_1); for (i = 0; i < 6; i++) p->timer[i] = i365_get(s, PD67_TIME_SETUP(0)+i); } static void cirrus_set_state(socket_info_t *s) { cirrus_state_t *p = &s->state.cirrus; u_char misc; int i; misc = i365_get(s, PD67_MISC_CTL_2); i365_set(s, PD67_MISC_CTL_2, p->misc2); if (misc & PD67_MC2_SUSPEND) mdelay(50); misc = i365_get(s, PD67_MISC_CTL_1); misc &= ~(PD67_MC1_MEDIA_ENA | PD67_MC1_INPACK_ENA); i365_set(s, PD67_MISC_CTL_1, misc | p->misc1); if (s->flags & IS_PCI) pd67_ext_set(s, PD67_EXT_CTL_1, p->ectl1); for (i = 0; i < 6; i++) i365_set(s, PD67_TIME_SETUP(0)+i, p->timer[i]); } #ifdef CONFIG_PCI static int cirrus_set_irq_mode(socket_info_t *s, int pcsc, int pint) { flip(s->bcr, PD6832_BCR_MGMT_IRQ_ENA, !pcsc); return 0; } #endif static u_int __init cirrus_set_opts(socket_info_t *s, char *buf) { cirrus_state_t *p = &s->state.cirrus; u_int mask = 0xffff; p->misc1 |= PD67_MC1_SPKR_ENA; if (has_ring == -1) has_ring = 1; flip(p->misc2, PD67_MC2_IRQ15_RI, has_ring); flip(p->misc2, PD67_MC2_DYNAMIC_MODE, dynamic_mode); if (p->misc2 & PD67_MC2_IRQ15_RI) strcat(buf, " [ring]"); if (p->misc2 & PD67_MC2_DYNAMIC_MODE) strcat(buf, " [dyn mode]"); if (p->misc1 & PD67_MC1_INPACK_ENA) strcat(buf, " [inpack]"); if (!(s->flags & (IS_PCI|IS_CARDBUS))) { if (p->misc2 & PD67_MC2_IRQ15_RI) mask &= ~0x8000; if (has_led > 0) { strcat(buf, " [led]"); mask &= ~0x1000; } if (has_dma > 0) { strcat(buf, " [dma]"); mask &= ~0x0600; flip(p->misc2, PD67_MC2_FREQ_BYPASS, freq_bypass); if (p->misc2 & PD67_MC2_FREQ_BYPASS) strcat(buf, " [freq bypass]"); } #ifdef CONFIG_PCI } else { p->misc1 &= ~PD67_MC1_MEDIA_ENA; p->misc1 &= ~(PD67_MC1_PULSE_MGMT | PD67_MC1_PULSE_IRQ); p->ectl1 &= ~(PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ); flip(p->misc2, PD67_MC2_FAST_PCI, fast_pci); if (p->misc2 & PD67_MC2_IRQ15_RI) mask &= (s->type == IS_PD6730) ? ~0x0400 : ~0x8000; if ((s->flags & IS_PCI) && (irq_mode == 1) && get_pci_irq(s)) { /* Configure PD6729 bridge for PCI interrupts */ p->ectl1 |= PD67_EC1_INV_MGMT_IRQ | PD67_EC1_INV_CARD_IRQ; s->pci_irq_code = 3; /* PCI INTA = "irq 3" */ buf += strlen(buf); sprintf(buf, " [pci irq %d]", s->cap.pci_irq); mask = 0; } #endif } #ifdef CONFIG_ISA if (s->type != IS_VT83C469) #endif { if (setup_time >= 0) p->timer[0] = p->timer[3] = setup_time; if (cmd_time > 0) { p->timer[1] = cmd_time; p->timer[4] = cmd_time*2+4; } if (p->timer[1] == 0) { p->timer[1] = 6; p->timer[4] = 16; if (p->timer[0] == 0) p->timer[0] = p->timer[3] = 1; } if (recov_time >= 0) p->timer[2] = p->timer[5] = recov_time; buf += strlen(buf); sprintf(buf, " [%d/%d/%d] [%d/%d/%d]", p->timer[0], p->timer[1], p->timer[2], p->timer[3], p->timer[4], p->timer[5]); } return mask; } /*====================================================================== Code to save and restore global state information for Vadem VG468 and VG469 controllers, and to set and report global configuration options. ======================================================================*/ #ifdef CONFIG_ISA static void __init vg46x_get_state(socket_info_t *s) { vg46x_state_t *p = &s->state.vg46x; p->ctl = i365_get(s, VG468_CTL); if (s->type == IS_VG469) p->ema = i365_get(s, VG469_EXT_MODE); } static void vg46x_set_state(socket_info_t *s) { vg46x_state_t *p = &s->state.vg46x; i365_set(s, VG468_CTL, p->ctl); if (s->type == IS_VG469) i365_set(s, VG469_EXT_MODE, p->ema); } static u_int __init vg46x_set_opts(socket_info_t *s, char *buf) { vg46x_state_t *p = &s->state.vg46x; flip(p->ctl, VG468_CTL_ASYNC, async_clock); flip(p->ema, VG469_MODE_CABLE, cable_mode); if (p->ctl & VG468_CTL_ASYNC) strcat(buf, " [async]"); if (p->ctl & VG468_CTL_INPACK) strcat(buf, " [inpack]"); if (s->type == IS_VG469) { u_char vsel = i365_get(s, VG469_VSELECT); if (vsel & VG469_VSEL_EXT_STAT) { strcat(buf, " [ext mode]"); if (vsel & VG469_VSEL_EXT_BUS) strcat(buf, " [isa buf]"); } if (p->ema & VG469_MODE_CABLE) strcat(buf, " [cable]"); if (p->ema & VG469_MODE_COMPAT) strcat(buf, " [c step]"); } return 0xffff; } #endif /*====================================================================== Code to save and restore global state information for TI 1130 and TI 1131 controllers, and to set and report global configuration options. ======================================================================*/ #ifdef CONFIG_PCI static void __init ti113x_get_state(socket_info_t *s) { ti113x_state_t *p = &s->state.ti113x; pci_readl(s, TI113X_SYSTEM_CONTROL, &p->sysctl); pci_readb(s, TI113X_CARD_CONTROL, &p->cardctl); pci_readb(s, TI113X_DEVICE_CONTROL, &p->devctl); pci_readb(s, TI1250_DIAGNOSTIC, &p->diag); pci_readl(s, TI12XX_IRQMUX, &p->irqmux); } static void ti113x_set_state(socket_info_t *s) { ti113x_state_t *p = &s->state.ti113x; pci_writel(s, TI113X_SYSTEM_CONTROL, p->sysctl); pci_writeb(s, TI113X_CARD_CONTROL, p->cardctl); pci_writeb(s, TI113X_DEVICE_CONTROL, p->devctl); pci_writeb(s, TI1250_MULTIMEDIA_CTL, 0); pci_writeb(s, TI1250_DIAGNOSTIC, p->diag); pci_writel(s, TI12XX_IRQMUX, p->irqmux); i365_set_pair(s, TI113X_IO_OFFSET(0), 0); i365_set_pair(s, TI113X_IO_OFFSET(1), 0); } static int ti113x_set_irq_mode(socket_info_t *s, int pcsc, int pint) { ti113x_state_t *p = &s->state.ti113x; s->intr = (pcsc) ? I365_INTR_ENA : 0; if (s->type <= IS_TI1131) { p->cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC); if (pcsc) p->cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC; if (pint) p->cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ; } else if (s->type == IS_TI1250A) { p->diag &= TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ; if (pcsc) p->diag |= TI1250_DIAG_PCI_CSC; if (pint) p->diag |= TI1250_DIAG_PCI_IREQ; } return 0; } static u_int __init ti113x_set_opts(socket_info_t *s, char *buf) { ti113x_state_t *p = &s->state.ti113x; u_int mask = 0xffff; int old = (s->type <= IS_TI1131); flip(p->cardctl, TI113X_CCR_RIENB, has_ring); p->cardctl &= ~TI113X_CCR_ZVENABLE; p->cardctl |= TI113X_CCR_SPKROUTEN; if (!old) flip(p->sysctl, TI122X_SCR_P2CCLK, p2cclk); switch (irq_mode) { case 0: p->devctl &= ~TI113X_DCR_IMODE_MASK; p->irqmux = (p->irqmux & ~0x0f) | 0x02; /* route INTA */ if (!(p->sysctl & TI122X_SCR_INTRTIE)) p->irqmux = (p->irqmux & ~0xf0) | 0x20; /* route INTB */ break; case 1: p->devctl &= ~TI113X_DCR_IMODE_MASK; p->devctl |= TI113X_DCR_IMODE_ISA; break; case 2: p->devctl &= ~TI113X_DCR_IMODE_MASK; p->devctl |= TI113X_DCR_IMODE_SERIAL; break; case 3: p->devctl &= ~TI113X_DCR_IMODE_MASK; p->devctl |= TI12XX_DCR_IMODE_ALL_SERIAL; break; default: /* Feeble fallback: if PCI-only but no PCI irq, try ISA */ if (((p->devctl & TI113X_DCR_IMODE_MASK) == 0) && (s->cap.pci_irq == 0)) p->devctl |= TI113X_DCR_IMODE_ISA; } if (p->cardctl & TI113X_CCR_RIENB) { strcat(buf, " [ring]"); if (old) mask &= ~0x8000; } if (old && (p->sysctl & TI113X_SCR_CLKRUN_ENA)) { if (p->sysctl & TI113X_SCR_CLKRUN_SEL) { strcat(buf, " [clkrun irq 12]"); mask &= ~0x1000; } else { strcat(buf, " [clkrun irq 10]"); mask &= ~0x0400; } } switch (p->devctl & TI113X_DCR_IMODE_MASK) { case TI12XX_DCR_IMODE_PCI_ONLY: strcat(buf, " [pci only]"); mask = 0; break; case TI113X_DCR_IMODE_ISA: strcat(buf, " [isa irq]"); if (old) mask &= ~0x0018; break; case TI113X_DCR_IMODE_SERIAL: strcat(buf, " [pci + serial irq]"); mask = 0xffff; break; case TI12XX_DCR_IMODE_ALL_SERIAL: strcat(buf, " [serial pci & irq]"); mask = 0xffff; break; } return mask; } #endif /*====================================================================== Code to save and restore global state information for the Ricoh RL5C4XX controllers, and to set and report global configuration options. The interrupt test doesn't seem to be reliable with Ricoh bridges. It seems to depend on what type of card is in the socket, and on the history of that socket, in some way that doesn't show up in the current socket state. ======================================================================*/ #ifdef CONFIG_PCI static void __init ricoh_get_state(socket_info_t *s) { ricoh_state_t *p = &s->state.ricoh; pci_readw(s, RL5C4XX_CONFIG, &p->config); pci_readw(s, RL5C4XX_MISC, &p->misc); pci_readw(s, RL5C4XX_16BIT_CTL, &p->ctl); pci_readw(s, RL5C4XX_16BIT_IO_0, &p->io); pci_readw(s, RL5C4XX_16BIT_MEM_0, &p->mem); } static void ricoh_set_state(socket_info_t *s) { ricoh_state_t *p = &s->state.ricoh; pci_writew(s, RL5C4XX_CONFIG, p->config); pci_writew(s, RL5C4XX_MISC, p->misc); pci_writew(s, RL5C4XX_16BIT_CTL, p->ctl); pci_writew(s, RL5C4XX_16BIT_IO_0, p->io); pci_writew(s, RL5C4XX_16BIT_MEM_0, p->mem); } static u_int __init ricoh_set_opts(socket_info_t *s, char *buf) { ricoh_state_t *p = &s->state.ricoh; u_int mask = 0xffff; int old = (s->type < IS_RL5C475); p->ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING; if (old) p->ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2; else p->config |= RL5C4XX_CONFIG_PREFETCH; if (setup_time >= 0) { p->io = (p->io & ~RL5C4XX_SETUP_MASK) + ((setup_time+1) << RL5C4XX_SETUP_SHIFT); p->mem = (p->mem & ~RL5C4XX_SETUP_MASK) + (setup_time << RL5C4XX_SETUP_SHIFT); } if (cmd_time >= 0) { p->io = (p->io & ~RL5C4XX_CMD_MASK) + (cmd_time << RL5C4XX_CMD_SHIFT); p->mem = (p->mem & ~RL5C4XX_CMD_MASK) + (cmd_time << RL5C4XX_CMD_SHIFT); } if (hold_time >= 0) { p->io = (p->io & ~RL5C4XX_HOLD_MASK) + (hold_time << RL5C4XX_HOLD_SHIFT); p->mem = (p->mem & ~RL5C4XX_HOLD_MASK) + (hold_time << RL5C4XX_HOLD_SHIFT); } if (irq_mode == 0) { mask = 0; sprintf(buf, " [pci only]"); buf += strlen(buf); } else if (!old) { switch (irq_mode) { case 1: p->misc &= ~RL5C47X_MISC_SRIRQ_ENA; break; case 2: p->misc |= RL5C47X_MISC_SRIRQ_ENA; break; } if (p->misc & RL5C47X_MISC_SRIRQ_ENA) sprintf(buf, " [serial irq]"); else sprintf(buf, " [isa irq]"); buf += strlen(buf); } sprintf(buf, " [io %d/%d/%d] [mem %d/%d/%d]", (p->io & RL5C4XX_SETUP_MASK) >> RL5C4XX_SETUP_SHIFT, (p->io & RL5C4XX_CMD_MASK) >> RL5C4XX_CMD_SHIFT, (p->io & RL5C4XX_HOLD_MASK) >> RL5C4XX_HOLD_SHIFT, (p->mem & RL5C4XX_SETUP_MASK) >> RL5C4XX_SETUP_SHIFT, (p->mem & RL5C4XX_CMD_MASK) >> RL5C4XX_CMD_SHIFT, (p->mem & RL5C4XX_HOLD_MASK) >> RL5C4XX_HOLD_SHIFT); return mask; } #endif /*====================================================================== Code to save and restore global state information for O2Micro controllers, and to set and report global configuration options. ======================================================================*/ #ifdef CONFIG_PCI static void __init o2micro_get_state(socket_info_t *s) { o2micro_state_t *p = &s->state.o2micro; if ((s->revision == 0x34) || (s->revision == 0x62) || (s->type == IS_OZ6812)) { p->mode_a = i365_get(s, O2_MODE_A_2); p->mode_b = i365_get(s, O2_MODE_B_2); } else { p->mode_a = i365_get(s, O2_MODE_A); p->mode_b = i365_get(s, O2_MODE_B); } p->mode_c = i365_get(s, O2_MODE_C); p->mode_d = i365_get(s, O2_MODE_D); if (s->flags & IS_CARDBUS) { p->mhpg = i365_get(s, O2_MHPG_DMA); p->fifo = i365_get(s, O2_FIFO_ENA); p->mode_e = i365_get(s, O2_MODE_E); } } static void o2micro_set_state(socket_info_t *s) { o2micro_state_t *p = &s->state.o2micro; if ((s->revision == 0x34) || (s->revision == 0x62) || (s->type == IS_OZ6812)) { i365_set(s, O2_MODE_A_2, p->mode_a); i365_set(s, O2_MODE_B_2, p->mode_b); } else { i365_set(s, O2_MODE_A, p->mode_a); i365_set(s, O2_MODE_B, p->mode_b); } i365_set(s, O2_MODE_C, p->mode_c); i365_set(s, O2_MODE_D, p->mode_d); if (s->flags & IS_CARDBUS) { i365_set(s, O2_MHPG_DMA, p->mhpg); i365_set(s, O2_FIFO_ENA, p->fifo); i365_set(s, O2_MODE_E, p->mode_e); } } static u_int __init o2micro_set_opts(socket_info_t *s, char *buf) { o2micro_state_t *p = &s->state.o2micro; u_int mask = 0xffff; p->mode_b = (p->mode_b & ~O2_MODE_B_IDENT) | O2_MODE_B_ID_CSTEP; flip(p->mode_b, O2_MODE_B_IRQ15_RI, has_ring); p->mode_c &= ~(O2_MODE_C_ZVIDEO | O2_MODE_C_DREQ_MASK); if (s->flags & IS_CARDBUS) { p->mode_d &= ~O2_MODE_D_W97_IRQ; p->mode_e &= ~O2_MODE_E_MHPG_DMA; p->mhpg = O2_MHPG_CINT_ENA | O2_MHPG_CSC_ENA; if (s->revision == 0x34) p->mode_c = 0x20; } else { if (p->mode_b & O2_MODE_B_IRQ15_RI) mask &= ~0x8000; } if (p->mode_b & O2_MODE_B_IRQ15_RI) strcat(buf, " [ring]"); if (irq_mode != -1) p->mode_d = irq_mode; if (p->mode_d & O2_MODE_D_ISA_IRQ) { strcat(buf, " [pci+isa]"); } else { switch (p->mode_d & O2_MODE_D_IRQ_MODE) { case O2_MODE_D_IRQ_PCPCI: strcat(buf, " [pc/pci]"); break; case O2_MODE_D_IRQ_PCIWAY: strcat(buf, " [pci/way]"); break; case O2_MODE_D_IRQ_PCI: strcat(buf, " [pci only]"); mask = 0; break; } } if (s->flags & IS_CARDBUS) { if (p->mode_d & O2_MODE_D_W97_IRQ) strcat(buf, " [win97]"); } return mask; } #endif /*====================================================================== Code to save and restore global state information for the Toshiba ToPIC 95 and 97 controllers, and to set and report global configuration options. ======================================================================*/ #ifdef CONFIG_PCI static void __init topic_get_state(socket_info_t *s) { topic_state_t *p = &s->state.topic; pci_readb(s, TOPIC_SLOT_CONTROL, &p->slot); pci_readb(s, TOPIC_CARD_CONTROL, &p->ccr); pci_readb(s, TOPIC_CARD_DETECT, &p->cdr); pci_readl(s, TOPIC_REGISTER_CONTROL, &p->rcr); } static void topic_set_state(socket_info_t *s) { topic_state_t *p = &s->state.topic; pci_writeb(s, TOPIC_SLOT_CONTROL, p->slot); pci_writeb(s, TOPIC_CARD_CONTROL, p->ccr); pci_writeb(s, TOPIC_CARD_DETECT, p->cdr); pci_writel(s, TOPIC_REGISTER_CONTROL, p->rcr); } static u_int __init topic_set_opts(socket_info_t *s, char *buf) { topic_state_t *p = &s->state.topic; p->slot |= TOPIC_SLOT_SLOTON|TOPIC_SLOT_SLOTEN|TOPIC_SLOT_ID_LOCK; p->cdr |= TOPIC_CDR_MODE_PC32; p->cdr &= ~(TOPIC_CDR_SW_DETECT); sprintf(buf, " [slot 0x%02x] [ccr 0x%02x] [cdr 0x%02x] [rcr 0x%02x]", p->slot, p->ccr, p->cdr, p->rcr); return 0xffff; } #endif /*====================================================================== Routines to handle common CardBus options ======================================================================*/ /* Default settings for PCI command configuration register */ #define CMD_DFLT (PCI_COMMAND_IO|PCI_COMMAND_MEMORY| \ PCI_COMMAND_MASTER|PCI_COMMAND_WAIT) #ifdef CONFIG_PCI static void __init cb_get_state(socket_info_t *s) { pci_readb(s, PCI_CACHE_LINE_SIZE, &s->cache); pci_readb(s, PCI_LATENCY_TIMER, &s->pci_lat); pci_readb(s, CB_LATENCY_TIMER, &s->cb_lat); pci_readb(s, CB_CARDBUS_BUS, &s->cap.cardbus); pci_readb(s, CB_SUBORD_BUS, &s->sub_bus); pci_readw(s, CB_BRIDGE_CONTROL, &s->bcr); get_pci_irq(s); } static void cb_set_state(socket_info_t *s) { #ifdef __LINUX__ pci_set_power_state(pci_find_slot(s->bus, s->devfn), 0); #endif pci_writel(s, CB_LEGACY_MODE_BASE, 0); pci_writel(s, PCI_BASE_ADDRESS_0, s->cb_phys); pci_writew(s, PCI_COMMAND, CMD_DFLT); pci_writeb(s, PCI_CACHE_LINE_SIZE, s->cache); pci_writeb(s, PCI_LATENCY_TIMER, s->pci_lat); pci_writeb(s, CB_LATENCY_TIMER, s->cb_lat); pci_writeb(s, CB_CARDBUS_BUS, s->cap.cardbus); pci_writeb(s, CB_SUBORD_BUS, s->sub_bus); pci_writew(s, CB_BRIDGE_CONTROL, s->bcr); } static int cb_get_irq_mode(socket_info_t *s) { return (!(s->bcr & CB_BCR_ISA_IRQ)); } static int cb_set_irq_mode(socket_info_t *s, int pcsc, int pint) { flip(s->bcr, CB_BCR_ISA_IRQ, !(pint)); if (s->flags & IS_CIRRUS) return cirrus_set_irq_mode(s, pcsc, pint); else if (s->flags & IS_TI) return ti113x_set_irq_mode(s, pcsc, pint); /* By default, assume that we can't do ISA status irqs */ return (!pcsc); } static void __init cb_set_opts(socket_info_t *s, char *buf) { s->bcr |= CB_BCR_WRITE_POST; /* some TI1130's seem to exhibit problems with write posting */ if (((s->type == IS_TI1130) && (s->revision == 4) && (cb_write_post < 0)) || (cb_write_post == 0)) s->bcr &= ~CB_BCR_WRITE_POST; if (s->cache == 0) s->cache = 8; if (s->pci_lat == 0) s->pci_lat = 0xa8; if (s->cb_lat == 0) s->cb_lat = 0xb0; if (s->cap.pci_irq == 0) strcat(buf, " [no pci irq]"); else sprintf(buf, " [pci irq %d]", s->cap.pci_irq); buf += strlen(buf); if (!(s->flags & IS_TOPIC)) s->cap.features |= SS_CAP_PAGE_REGS; sprintf(buf, " [lat %d/%d] [bus %d/%d]", s->pci_lat, s->cb_lat, s->cap.cardbus, s->sub_bus); } #endif /*====================================================================== Power control for Cardbus controllers: used both for 16-bit and Cardbus cards. ======================================================================*/ #ifdef CONFIG_PCI static void cb_get_power(socket_info_t *s, socket_state_t *state) { u_int reg = cb_readl(s, CB_SOCKET_CONTROL); state->Vcc = state->Vpp = 0; switch (reg & CB_SC_VCC_MASK) { case CB_SC_VCC_3V: state->Vcc = 33; break; case CB_SC_VCC_5V: state->Vcc = 50; break; } switch (reg & CB_SC_VPP_MASK) { case CB_SC_VPP_3V: state->Vpp = 33; break; case CB_SC_VPP_5V: state->Vpp = 50; break; case CB_SC_VPP_12V: state->Vpp = 120; break; } } static int cb_set_power(socket_info_t *s, socket_state_t *state) { u_int reg = 0; /* restart card voltage detection if it seems appropriate */ if ((state->Vcc == 0) && (state->Vpp == 0) && !(cb_readl(s, CB_SOCKET_STATE) & CB_SS_VSENSE)) cb_writel(s, CB_SOCKET_FORCE, CB_SF_CVSTEST); switch (state->Vcc) { case 0: reg = 0; break; case 33: reg = CB_SC_VCC_3V; break; case 50: reg = CB_SC_VCC_5V; break; default: return -EINVAL; } switch (state->Vpp) { case 0: break; case 33: reg |= CB_SC_VPP_3V; break; case 50: reg |= CB_SC_VPP_5V; break; case 120: reg |= CB_SC_VPP_12V; break; default: return -EINVAL; } if (reg != cb_readl(s, CB_SOCKET_CONTROL)) cb_writel(s, CB_SOCKET_CONTROL, reg); return 0; } #endif /*====================================================================== Generic routines to get and set controller options ======================================================================*/ static void __init get_bridge_state(socket_info_t *s) { if (s->flags & IS_CIRRUS) cirrus_get_state(s); #ifdef CONFIG_ISA else if (s->flags & IS_VADEM) vg46x_get_state(s); #endif #ifdef CONFIG_PCI else if (s->flags & IS_O2MICRO) o2micro_get_state(s); else if (s->flags & IS_TI) ti113x_get_state(s); else if (s->flags & IS_RICOH) ricoh_get_state(s); else if (s->flags & IS_TOPIC) topic_get_state(s); if (s->flags & IS_CARDBUS) cb_get_state(s); #endif } static void set_bridge_state(socket_info_t *s) { #ifdef CONFIG_PCI if (s->flags & IS_CARDBUS) cb_set_state(s); #endif if (s->flags & IS_CIRRUS) { cirrus_set_state(s); } else { i365_set(s, I365_GBLCTL, 0x00); i365_set(s, I365_GENCTL, 0x00); /* Trouble: changes timing of memory operations */ /* i365_bset(s, I365_ADDRWIN, I365_ADDR_MEMCS16); */ } i365_bflip(s, I365_INTCTL, I365_INTR_ENA, s->intr); #ifdef CONFIG_ISA if (s->flags & IS_VADEM) vg46x_set_state(s); #endif #ifdef CONFIG_PCI if (s->flags & IS_O2MICRO) o2micro_set_state(s); else if (s->flags & IS_TI) ti113x_set_state(s); else if (s->flags & IS_RICOH) ricoh_set_state(s); else if (s->flags & IS_TOPIC) topic_set_state(s); #endif } static u_int __init set_bridge_opts(socket_info_t *s, u_short ns) { u_short i; u_int m = 0xffff; char buf[128]; for (i = 0; i < ns; i++) { if (s[i].flags & IS_ALIVE) { printk(KERN_INFO " host opts [%d]: already alive!\n", i); continue; } buf[0] = '\0'; get_bridge_state(s+i); if (s[i].flags & IS_CIRRUS) m = cirrus_set_opts(s+i, buf); #ifdef CONFIG_ISA else if (s[i].flags & IS_VADEM) m = vg46x_set_opts(s+i, buf); #endif #ifdef CONFIG_PCI else if (s[i].flags & IS_O2MICRO) m = o2micro_set_opts(s+i, buf); else if (s[i].flags & IS_TI) m = ti113x_set_opts(s+i, buf); else if (s[i].flags & IS_RICOH) m = ricoh_set_opts(s+i, buf); else if (s[i].flags & IS_TOPIC) m = topic_set_opts(s+i, buf); if (s[i].flags & IS_CARDBUS) cb_set_opts(s+i, buf+strlen(buf)); #endif set_bridge_state(s+i); printk(KERN_INFO " host opts [%d]:%s\n", i, (*buf) ? buf : " none"); } #ifdef CONFIG_PCI m &= ~pci_irq_mask; #endif return m; } /*====================================================================== Interrupt testing code, for ISA and PCI interrupts ======================================================================*/ static volatile u_int irq_hits, irq_shared; static volatile socket_info_t *irq_sock; static irq_ret_t irq_count IRQ(int irq, void *dev, struct pt_regs *regs) { irq_hits++; #ifndef __BEOS__ DEBUG(2, "-> hit on irq %d\n", irq); #endif if (!irq_shared && (irq_hits > 100)) { printk(KERN_INFO " PCI irq %d seems to be wedged!\n", irq); disable_irq(irq); return (irq_ret_t)0; } #ifdef CONFIG_PCI if (irq_sock->flags & IS_CARDBUS) { cb_writel(irq_sock, CB_SOCKET_EVENT, -1); } else #endif i365_get((socket_info_t *)irq_sock, I365_CSC); return (irq_ret_t)1; } static u_int __init test_irq(socket_info_t *s, int irq, int pci) { u_char csc = (pci) ? 0 : irq; #ifdef CONFIG_PNP_BIOS extern int check_pnp_irq(int); if (!pci && check_pnp_irq(irq)) return 1; #endif DEBUG(2, " testing %s irq %d\n", pci ? "PCI" : "ISA", irq); irq_sock = s; irq_shared = irq_hits = 0; if (_request_irq(irq, irq_count, 0, "scan")) { irq_shared++; if (!pci || _request_irq(irq, irq_count, SA_SHIRQ, "scan")) return 1; } irq_hits = 0; __set_current_state(TASK_UNINTERRUPTIBLE); schedule_timeout(HZ/100); if (irq_hits && !irq_shared) { _free_irq(irq, irq_count); DEBUG(2, " spurious hit!\n"); return 1; } /* Generate one interrupt */ #ifdef CONFIG_PCI if (s->flags & IS_CARDBUS) { cb_writel(s, CB_SOCKET_EVENT, -1); i365_set(s, I365_CSCINT, I365_CSC_STSCHG | (csc << 4)); cb_writel(s, CB_SOCKET_EVENT, -1); cb_writel(s, CB_SOCKET_MASK, CB_SM_CSTSCHG); cb_writel(s, CB_SOCKET_FORCE, CB_SE_CSTSCHG); mdelay(1); cb_writel(s, CB_SOCKET_EVENT, -1); cb_writel(s, CB_SOCKET_MASK, 0); } else #endif { i365_set(s, I365_CSCINT, I365_CSC_DETECT | (csc << 4)); i365_bset(s, I365_GENCTL, I365_CTL_SW_IRQ); mdelay(1); } _free_irq(irq, irq_count); /* mask all interrupts */ i365_set(s, I365_CSCINT, 0); DEBUG(2, " hits = %d\n", irq_hits); return pci ? (irq_hits == 0) : (irq_hits != 1); } #ifdef CONFIG_ISA #ifdef __LINUX__ static int _check_irq(int irq, int flags) { #ifdef CONFIG_PNP_BIOS extern int check_pnp_irq(int); if ((flags != SA_SHIRQ) && check_pnp_irq(irq)) return -1; #endif if (request_irq(irq, irq_count, flags, "x", irq_count) != 0) return -1; free_irq(irq, irq_count); return 0; } #endif static u_int __init isa_scan(socket_info_t *s, u_int mask0) { u_int mask1 = 0; int i; #ifdef CONFIG_PCI /* Only scan if we can select ISA csc irq's */ if (!(s->flags & IS_CARDBUS) || (cb_set_irq_mode(s, 0, 0) == 0)) #endif if (do_scan) { set_bridge_state(s); i365_set(s, I365_CSCINT, 0); for (i = 0; i < 16; i++) if ((mask0 & (1 << i)) && (test_irq(s, i, 0) == 0)) mask1 |= (1 << i); for (i = 0; i < 16; i++) if ((mask1 & (1 << i)) && (test_irq(s, i, 0) != 0)) mask1 ^= (1 << i); } printk(KERN_INFO " ISA irqs ("); if (mask1) { printk("scanned"); } else { /* Fallback: just find interrupts that aren't in use */ for (i = 0; i < 16; i++) if ((mask0 & (1 << i)) && (_check_irq(i, 0) == 0)) mask1 |= (1 << i); printk("default"); /* If scan failed, default to polled status */ if (!cs_irq && (poll_interval == 0)) poll_interval = HZ; } printk(") = "); for (i = 0; i < 16; i++) if (mask1 & (1<flags & IS_RICOH) || !(s->flags & IS_CARDBUS) || !do_scan) { /* for PCI-to-PCMCIA bridges, just check for wedged irq */ irq_sock = s; irq_hits = 0; if (_request_irq(s->cap.pci_irq, irq_count, 0, "scan")) return 1; udelay(50); _free_irq(s->cap.pci_irq, irq_count); return (!irq_hits); } cb_set_irq_mode(s, 1, 0); set_bridge_state(s); i365_set(s, I365_CSCINT, 0); ret = ((test_irq(s, s->cap.pci_irq, 1) == 0) && (test_irq(s, s->cap.pci_irq, 1) == 0)); if (!ret) printk(KERN_INFO " PCI irq %d test failed\n", s->cap.pci_irq); return ret; } #endif /* CONFIG_PCI */ /*====================================================================*/ #ifdef CONFIG_ISA static int __init isa_identify(u_short port, u_short sock) { socket_info_t *s = socket+sockets; u_char val; int type = -1; /* Use the next free entry in the socket table */ s->ioaddr = port; s->psock = sock; /* Wake up a sleepy Cirrus controller */ if (wakeup) { i365_bclr(s, PD67_MISC_CTL_2, PD67_MC2_SUSPEND); /* Pause at least 50 ms */ mdelay(50); } if ((val = i365_get(s, I365_IDENT)) & 0x70) return -1; switch (val) { case 0x82: type = IS_I82365A; break; case 0x83: type = IS_I82365B; break; case 0x84: type = IS_I82365DF; break; case 0x88: case 0x89: case 0x8a: type = IS_IBM; break; } /* Check for Vadem VG-468 chips */ outb(0x0e, port); outb(0x37, port); i365_bset(s, VG468_MISC, VG468_MISC_VADEMREV); val = i365_get(s, I365_IDENT); if (val & I365_IDENT_VADEM) { i365_bclr(s, VG468_MISC, VG468_MISC_VADEMREV); type = ((val & 7) >= 4) ? IS_VG469 : IS_VG468; } /* Check for Ricoh chips */ val = i365_get(s, RF5C_CHIP_ID); if ((val == RF5C_CHIP_RF5C296) || (val == RF5C_CHIP_RF5C396)) type = IS_RF5Cx96; /* Check for Cirrus CL-PD67xx chips */ i365_set(s, PD67_CHIP_INFO, 0); val = i365_get(s, PD67_CHIP_INFO); if ((val & PD67_INFO_CHIP_ID) == PD67_INFO_CHIP_ID) { val = i365_get(s, PD67_CHIP_INFO); if ((val & PD67_INFO_CHIP_ID) == 0) { type = (val & PD67_INFO_SLOTS) ? IS_PD672X : IS_PD6710; i365_set(s, PD67_EXT_INDEX, 0xe5); if (i365_get(s, PD67_EXT_INDEX) != 0xe5) type = IS_VT83C469; } } return type; } /* isa_identify */ #endif /*====================================================================== See if a card is present, powered up, in IO mode, and already bound to a (non PC Card) Linux driver. We leave these alone. We make an exception for cards that seem to be serial devices. ======================================================================*/ static int __init is_alive(socket_info_t *s) { u_char stat; u_short start, stop; stat = i365_get(s, I365_STATUS); start = i365_get_pair(s, I365_IO(0)+I365_W_START); stop = i365_get_pair(s, I365_IO(0)+I365_W_STOP); if ((stop - start < 0x40) && (stop - start >= 0x07) && ((start & 0xfeef) != 0x02e8) && (start >= 0x100) && (stat & I365_CS_DETECT) && (stat & I365_CS_POWERON) && (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) && (i365_get(s, I365_ADDRWIN) & I365_ENA_IO(0)) && (check_region(start, stop-start+1) != 0)) return 1; else return 0; } /*====================================================================*/ static void __init add_socket(u_short port, int psock, int type) { socket_info_t *s = socket+sockets; s->ioaddr = port; s->psock = psock; s->type = type; s->flags = pcic[type].flags; if (is_alive(s)) s->flags |= IS_ALIVE; sockets++; } static void __init add_pcic(int ns, int type) { u_int mask = 0, i; int use_pci = 0, isa_irq = 0; socket_info_t *s = &socket[sockets-ns]; if (s->ioaddr > 0) request_region(s->ioaddr, 2, "i82365"); if (sockets == ns) printk("\n"); printk(KERN_INFO " %s", pcic[type].name); #ifdef CONFIG_PCI if (s->flags & IS_UNKNOWN) printk(" [%04x %04x]", s->vendor, s->device); printk(" rev %02x", s->revision); if (s->flags & IS_CARDBUS) printk(" PCI-to-CardBus at slot %02x:%02x, mem %#08x\n", s->bus, PCI_SLOT(s->devfn), s->cb_phys); else if (s->flags & IS_PCI) printk(" PCI-to-PCMCIA at slot %02x:%02x, port %#x\n", s->bus, PCI_SLOT(s->devfn), s->ioaddr); else #endif printk(" ISA-to-PCMCIA at port %#x ofs 0x%02x\n", s->ioaddr, s->psock*0x40); #ifdef CONFIG_ISA if (irq_list[0] == -1) mask = irq_mask; else for (i = mask = 0; i < 16; i++) mask |= (1< 0; isa_irq--) if (cs_mask & (1 << isa_irq)) break; if (isa_irq) { grab_irq = 1; cs_irq = isa_irq; printk(" status change on irq %d\n", isa_irq); } } #endif if (!(use_pci && pci_csc) && !isa_irq) { if (poll_interval == 0) poll_interval = HZ; printk(" polling interval = %d ms\n", poll_interval*1000/HZ); } /* Update socket interrupt information, capabilities */ for (i = 0; i < ns; i++) { s[i].cap.features |= SS_CAP_PCCARD; s[i].cap.map_size = 0x1000; s[i].cap.irq_mask = mask; if (!use_pci) s[i].cap.pci_irq = 0; s[i].cs_irq = isa_irq; #ifdef CONFIG_PCI if (s[i].flags & IS_CARDBUS) { s[i].cap.features |= SS_CAP_CARDBUS; cb_set_irq_mode(s+i, pci_csc && s[i].cap.pci_irq, 0); } #endif } } /* add_pcic */ /*====================================================================*/ #ifdef CONFIG_PCI #ifdef __BEOS__ typedef u_short pci_id_t; static int pci_lookup(u_int class, pci_id_t *id, u_char *bus, u_char *devfn) { pci_info info; while (pci->get_nth_pci_info((*id)++, &info) == 0) { if (((info.class_base<<8) + info.class_sub) == class) { *bus = info.bus; *devfn = PCI_DEVFN(info.device, info.function); return 0; } } return -1; } #else typedef struct pci_dev *pci_id_t; static int __init pci_lookup(u_int class, pci_id_t *id, u_char *bus, u_char *devfn) { if ((*id = pci_find_class(class<<8, *id)) != NULL) { *bus = (*id)->bus->number; *devfn = (*id)->devfn; return 0; } else return -1; } #endif static void __init add_pci_bridge(int type, u_short v, u_short d) { socket_info_t *s = &socket[sockets]; u_int addr, ns; #ifdef __LINUX__ pci_enable_device(pci_find_slot(s->bus, s->devfn)); #endif if (type == PCIC_COUNT) type = IS_UNK_PCI; pci_readl(s, PCI_BASE_ADDRESS_0, &addr); addr &= ~0x1; for (ns = 0; ns < ((type == IS_I82092AA) ? 4 : 2); ns++) { s[ns].bus = s->bus; s[ns].devfn = s->devfn; s[ns].vendor = v; s[ns].device = d; add_socket(addr, ns, type); } add_pcic(ns, type); } static int check_cb_mapping(socket_info_t *s) { u_int state = cb_readl(s, CB_SOCKET_STATE) >> 16; /* A few sanity checks to validate the bridge mapping */ if ((cb_readb(s, 0x800+I365_IDENT) & 0x70) || (cb_readb(s, 0x800+I365_CSC) && cb_readb(s, 0x800+I365_CSC) && cb_readb(s, 0x800+I365_CSC)) || cb_readl(s, CB_SOCKET_FORCE) || ((state & ~0x3000) || !(state & 0x3000))) return 1; return 0; } static void __init add_cb_bridge(int type, u_short v, u_short d0) { socket_info_t *s = &socket[sockets]; u_char bus = s->bus, devfn = s->devfn; u_short d, ns; u_char a, r, max; /* PCI bus enumeration is broken on some systems */ for (ns = 0; ns < sockets; ns++) if ((socket[ns].bus == bus) && (socket[ns].devfn == devfn)) return; if (type == PCIC_COUNT) type = IS_UNK_CARDBUS; pci_readb(s, PCI_HEADER_TYPE, &a); pci_readb(s, PCI_CLASS_REVISION, &r); max = (a & 0x80) ? 8 : 1; for (ns = 0; ns < max; ns++, s++, devfn++) { s->bus = bus; s->devfn = devfn; if (pci_readw(s, PCI_DEVICE_ID, &d) || (d != d0)) break; s->vendor = v; s->device = d; s->revision = r; #ifdef __LINUX__ pci_enable_device(pci_find_slot(bus, devfn)); pci_set_power_state(pci_find_slot(bus, devfn), 0); #endif /* Set up CardBus register mapping */ pci_writel(s, CB_LEGACY_MODE_BASE, 0); pci_readl(s, PCI_BASE_ADDRESS_0, &s->cb_phys); if (s->cb_phys == 0) { printk("\n" KERN_NOTICE " Bridge register mapping failed:" " check cb_mem_base setting\n"); break; } s->cb_virt = ioremap(s->cb_phys, 0x1000); if (check_cb_mapping(s) != 0) { printk("\n" KERN_NOTICE " Bad bridge mapping at " "0x%08x!\n", s->cb_phys); break; } request_mem_region(s->cb_phys, 0x1000, "i82365"); add_socket(0, 0, type); } if (ns == 0) return; add_pcic(ns, type); #ifdef __LINUX__ /* Look up PCI bus bridge structures if needed */ s -= ns; for (a = 0; a < ns; a++) { struct pci_dev *self = pci_find_slot(bus, s[a].devfn); #if (LINUX_VERSION_CODE >= VERSION(2,3,40)) s[a].cap.cb_bus = self->subordinate; #else struct pci_bus *child; for (child = self->bus->children; child; child = child->next) if (child->number == s[a].cap.cardbus) break; s[a].cap.cb_bus = child; #endif } #endif } static void __init pci_probe(u_int class) { socket_info_t *s = &socket[sockets]; u_short i, v, d; pci_id_t id; id = 0; while (pci_lookup(class, &id, &s->bus, &s->devfn) == 0) { if (PCI_FUNC(s->devfn) != 0) continue; pci_readw(s, PCI_VENDOR_ID, &v); pci_readw(s, PCI_DEVICE_ID, &d); for (i = 0; i < PCIC_COUNT; i++) if ((pcic[i].vendor == v) && (pcic[i].device == d)) break; /* The "ToPIC95-A" is unusable as a CardBus bridge */ if (i == IS_TOPIC95_A) continue; if (((i < PCIC_COUNT) && (pcic[i].flags & IS_CARDBUS)) || (class == PCI_CLASS_BRIDGE_CARDBUS)) add_cb_bridge(i, v, d); else add_pci_bridge(i, v, d); s = &socket[sockets]; } } #endif /*====================================================================*/ #ifdef CONFIG_ISA static void __init isa_probe(ioaddr_t base) { int i, j, sock, k, ns, id; ioaddr_t port; #ifndef __BEOS__ if (check_region(base, 2) != 0) { if (sockets == 0) printk("port conflict at %#x\n", i365_base); return; } #endif id = isa_identify(base, 0); if ((id == IS_I82365DF) && (isa_identify(base, 1) != id)) { for (i = 0; i < 4; i++) { if (i == ignore) continue; port = i365_base + ((i & 1) << 2) + ((i & 2) << 1); sock = (i & 1) << 1; if (isa_identify(port, sock) == IS_I82365DF) { add_socket(port, sock, IS_VLSI); add_pcic(1, IS_VLSI); } } } else { for (i = 0; i < 4; i += 2) { port = base + 2*(i>>2); sock = (i & 3); id = isa_identify(port, sock); if (id < 0) continue; for (j = ns = 0; j < 2; j++) { /* Does the socket exist? */ if ((ignore == i+j) || (isa_identify(port, sock+j) < 0)) continue; /* Check for bad socket decode */ for (k = 0; k <= sockets; k++) i365_set(socket+k, I365_MEM(0)+I365_W_OFF, k); for (k = 0; k <= sockets; k++) if (i365_get(socket+k, I365_MEM(0)+I365_W_OFF) != k) break; if (k <= sockets) break; add_socket(port, sock+j, id); ns++; } if (ns != 0) add_pcic(ns, id); } } } #endif /*====================================================================== The card status event handler. This may either be interrupt driven or polled. It monitors mainly for card insert and eject events; there are various other kinds of events that can be monitored (ready/busy, status change, etc), but they are almost never used. ======================================================================*/ static irq_ret_t pcic_interrupt IRQ(int irq, void *dev, struct pt_regs *regs) { #ifdef __BEOS__ int irq = (int *)dev - irq_list; #endif int i, j, csc; u_int events, active; #ifdef CONFIG_ISA u_long flags = 0; #endif DEBUG(2, "i82365: pcic_interrupt(%d)\n", irq); for (j = 0; j < 20; j++) { active = 0; for (i = 0; i < sockets; i++) { socket_info_t *s = &socket[i]; if ((s->cs_irq != irq) && (s->cap.pci_irq != irq)) continue; ISA_LOCK(s, flags); csc = i365_get(s, I365_CSC); #ifdef CONFIG_PCI if ((s->flags & IS_CARDBUS) && (cb_readl(s, CB_SOCKET_EVENT) & CB_SE_CCD)) { cb_writel(s, CB_SOCKET_EVENT, CB_SE_CCD); csc |= I365_CSC_DETECT; } #endif if ((csc == 0) || (!s->handler) || (i365_get(s, I365_IDENT) & 0x70)) { ISA_UNLOCK(s, flags); continue; } events = (csc & I365_CSC_DETECT) ? SS_DETECT : 0; if (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) { events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; } else { events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0; events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0; events |= (csc & I365_CSC_READY) ? SS_READY : 0; } ISA_UNLOCK(s, flags); DEBUG(1, "i82365: socket %d event 0x%04x\n", i, events); if (events) s->handler(s->info, events); active |= events; } if (!active) break; } if (j == 20) printk(KERN_NOTICE "i82365: infinite loop in interrupt " "handler: active = 0x%04x\n", active); DEBUG(2, "i82365: interrupt done\n"); return (irq_ret_t)1; } /* pcic_interrupt */ static void pcic_interrupt_wrapper(u_long data) { #ifdef __BEOS__ pcic_interrupt IRQ(0, irq_list, NULL); #else pcic_interrupt(0, NULL, NULL); #endif poll_timer.expires = jiffies + poll_interval; add_timer(&poll_timer); } /*====================================================================*/ static int pcic_register_callback(socket_info_t *s, ss_callback_t *call) { if (call == NULL) { s->handler = NULL; MOD_DEC_USE_COUNT; } else { MOD_INC_USE_COUNT; s->handler = call->handler; s->info = call->info; } return 0; } /* pcic_register_callback */ /*====================================================================*/ static int pcic_inquire_socket(socket_info_t *s, socket_cap_t *cap) { *cap = s->cap; return 0; } /*====================================================================*/ static int i365_get_status(socket_info_t *s, u_int *value) { u_int status; status = i365_get(s, I365_STATUS); *value = ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0; if (i365_get(s, I365_INTCTL) & I365_PC_IOCARD) { *value |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG; } else { *value |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD; *value |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN; } *value |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0; *value |= (status & I365_CS_READY) ? SS_READY : 0; *value |= (status & I365_CS_POWERON) ? SS_POWERON : 0; #ifdef CONFIG_PCI if (s->flags & IS_CARDBUS) { status = cb_readl(s, CB_SOCKET_STATE); *value |= (status & CB_SS_32BIT) ? SS_CARDBUS : 0; *value |= (status & CB_SS_3VCARD) ? SS_3VCARD : 0; *value |= (status & CB_SS_XVCARD) ? SS_XVCARD : 0; *value |= (status & CB_SS_VSENSE) ? 0 : SS_PENDING; } else if (s->flags & IS_O2MICRO) { status = i365_get(s, O2_MODE_B); *value |= (status & O2_MODE_B_VS1) ? 0 : SS_3VCARD; *value |= (status & O2_MODE_B_VS2) ? 0 : SS_XVCARD; } else if (s->type == IS_PD6729) { socket_info_t *t = (s->psock) ? s : s+1; status = pd67_ext_get(t, PD67_EXTERN_DATA); *value |= (status & PD67_EXD_VS1(s->psock)) ? 0 : SS_3VCARD; *value |= (status & PD67_EXD_VS2(s->psock)) ? 0 : SS_XVCARD; } /* For now, ignore cards with unsupported voltage keys */ if (*value & SS_XVCARD) *value &= ~(SS_DETECT|SS_3VCARD|SS_XVCARD); #endif #ifdef CONFIG_ISA if (s->type == IS_VG469) { status = i365_get(s, VG469_VSENSE); if (s->psock & 1) { *value |= (status & VG469_VSENSE_B_VS1) ? 0 : SS_3VCARD; *value |= (status & VG469_VSENSE_B_VS2) ? 0 : SS_XVCARD; } else { *value |= (status & VG469_VSENSE_A_VS1) ? 0 : SS_3VCARD; *value |= (status & VG469_VSENSE_A_VS2) ? 0 : SS_XVCARD; } } #endif DEBUG(1, "i82365: GetStatus(%d) = %#4.4x\n", s-socket, *value); return 0; } /* i365_get_status */ /*====================================================================*/ static int i365_get_socket(socket_info_t *s, socket_state_t *state) { u_char reg, vcc, vpp; reg = i365_get(s, I365_POWER); state->flags = (reg & I365_PWR_AUTO) ? SS_PWR_AUTO : 0; state->flags |= (reg & I365_PWR_OUT) ? SS_OUTPUT_ENA : 0; vcc = reg & I365_VCC_MASK; vpp = reg & I365_VPP1_MASK; state->Vcc = state->Vpp = 0; #ifdef CONFIG_PCI if ((s->flags & IS_CARDBUS) && !(s->flags & IS_TOPIC)) { cb_get_power(s, state); } else #endif { if ((s->flags & IS_CIRRUS) && (reg & I365_VCC_5V)) { state->Vcc = (i365_get(s, PD67_MISC_CTL_1) & PD67_MC1_VCC_3V) ? 33 : 50; } else if ((s->flags & IS_VG_PWR) && (reg & I365_VCC_5V)) { state->Vcc = (i365_get(s, VG469_VSELECT) & VG469_VSEL_VCC) ? 33 : 50; } else if ((s->flags & IS_DF_PWR) || (s->flags & IS_TOPIC)) { if (vcc == I365_VCC_3V) state->Vcc = 33; if (vcc == I365_VCC_5V) state->Vcc = 50; } else { if (reg & I365_VCC_5V) state->Vcc = 50; } if (vpp == I365_VPP1_5V) state->Vpp = (s->flags & IS_DF_PWR) ? 50 : state->Vcc; if (vpp == I365_VPP1_12V) state->Vpp = 120; } /* IO card, RESET flags, IO interrupt */ reg = i365_get(s, I365_INTCTL); state->flags |= (reg & I365_PC_RESET) ? 0 : SS_RESET; state->flags |= (reg & I365_PC_IOCARD) ? SS_IOCARD : 0; #ifdef CONFIG_PCI if (cb_get_irq_mode(s) != 0) state->io_irq = s->cap.pci_irq; else #endif state->io_irq = reg & I365_IRQ_MASK; /* Card status change mask */ reg = i365_get(s, I365_CSCINT); state->csc_mask = (reg & I365_CSC_DETECT) ? SS_DETECT : 0; if (state->flags & SS_IOCARD) { state->csc_mask |= (reg & I365_CSC_STSCHG) ? SS_STSCHG : 0; } else { state->csc_mask |= (reg & I365_CSC_BVD1) ? SS_BATDEAD : 0; state->csc_mask |= (reg & I365_CSC_BVD2) ? SS_BATWARN : 0; state->csc_mask |= (reg & I365_CSC_READY) ? SS_READY : 0; } DEBUG(2, "i82365: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d, " "io_irq %d, csc_mask %#2.2x\n", s-socket, state->flags, state->Vcc, state->Vpp, state->io_irq, state->csc_mask); return 0; } /* i365_get_socket */ /*====================================================================*/ static int i365_set_socket(socket_info_t *s, socket_state_t *state) { u_char reg; DEBUG(2, "i82365: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " "io_irq %d, csc_mask %#2.2x)\n", s-socket, state->flags, state->Vcc, state->Vpp, state->io_irq, state->csc_mask); /* First set global controller options */ #ifdef CONFIG_PCI if (s->cap.pci_irq) cb_set_irq_mode(s, pci_csc, (s->cap.pci_irq == state->io_irq)); s->bcr &= ~CB_BCR_CB_RESET; #endif set_bridge_state(s); /* IO card, RESET flag, IO interrupt */ reg = s->intr | ((state->io_irq == s->cap.pci_irq) ? s->pci_irq_code : state->io_irq); reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET; reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0; i365_set(s, I365_INTCTL, reg); reg = I365_PWR_NORESET; if (state->flags & SS_PWR_AUTO) reg |= I365_PWR_AUTO; if (state->flags & SS_OUTPUT_ENA) reg |= I365_PWR_OUT; #ifdef CONFIG_PCI if ((s->flags & IS_CARDBUS) && !(s->flags & IS_TOPIC)) { cb_set_power(s, state); reg |= i365_get(s, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK); } else #endif { int new = s->flags & (IS_TOPIC|IS_CIRRUS|IS_VG_PWR|IS_DF_PWR); int vcc3 = (state->Vcc == 33), df = (s->flags & IS_DF_PWR); if (state->Vcc == 50) { reg |= I365_VCC_5V; } else if (new && vcc3) { reg |= ((s->flags & (IS_TOPIC|IS_DF_PWR)) ? I365_VCC_3V : I365_VCC_5V); } else if (state->Vcc) return -EINVAL; if (s->flags & IS_CIRRUS) i365_bflip(s, PD67_MISC_CTL_1, PD67_MC1_VCC_3V, vcc3); if (s->flags & IS_VG_PWR) i365_bflip(s, VG469_VSELECT, VG469_VSEL_VCC, vcc3); if (state->Vpp == 120) { reg |= I365_VPP1_12V | (new ? 0 : I365_VPP2_12V); } else if (state->Vpp == (df) ? 50 : state->Vcc) { reg |= I365_VPP1_5V | (new ? 0 : I365_VPP2_5V); } else if (state->Vpp) return -EINVAL; } if (reg != i365_get(s, I365_POWER)) i365_set(s, I365_POWER, reg); /* Card status change interrupt mask */ reg = (s->cap.pci_irq ? s->pci_irq_code : s->cs_irq) << 4; if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT; if (state->flags & SS_IOCARD) { if (state->csc_mask & SS_STSCHG) reg |= I365_CSC_STSCHG; } else { if (state->csc_mask & SS_BATDEAD) reg |= I365_CSC_BVD1; if (state->csc_mask & SS_BATWARN) reg |= I365_CSC_BVD2; if (state->csc_mask & SS_READY) reg |= I365_CSC_READY; } i365_set(s, I365_CSCINT, reg); i365_get(s, I365_CSC); #ifdef CONFIG_PCI if (s->flags & IS_CARDBUS) { if (s->cs_irq || (pci_csc && s->cap.pci_irq)) cb_writel(s, CB_SOCKET_MASK, CB_SM_CCD); cb_writel(s, CB_SOCKET_EVENT, -1); } #endif return 0; } /* i365_set_socket */ /*====================================================================*/ static int i365_get_io_map(socket_info_t *s, struct pccard_io_map *io) { u_char map, ioctl, addr; map = io->map; if (map > 1) return -EINVAL; io->start = i365_get_pair(s, I365_IO(map)+I365_W_START); io->stop = i365_get_pair(s, I365_IO(map)+I365_W_STOP); ioctl = i365_get(s, I365_IOCTL); addr = i365_get(s, I365_ADDRWIN); io->speed = (ioctl & I365_IOCTL_WAIT(map)) ? cycle_time : 0; io->flags = (addr & I365_ENA_IO(map)) ? MAP_ACTIVE : 0; io->flags |= (ioctl & I365_IOCTL_0WS(map)) ? MAP_0WS : 0; io->flags |= (ioctl & I365_IOCTL_16BIT(map)) ? MAP_16BIT : 0; io->flags |= (ioctl & I365_IOCTL_IOCS16(map)) ? MAP_AUTOSZ : 0; DEBUG(3, "i82365: GetIOMap(%d, %d) = %#2.2x, %d ns, %#4.4x-%#4.4x\n", s-socket, map, io->flags, io->speed, io->start, io->stop); return 0; } /* i365_get_io_map */ /*====================================================================*/ static int i365_set_io_map(socket_info_t *s, struct pccard_io_map *io) { u_char map, ioctl; DEBUG(3, "i82365: SetIOMap(%d, %d, %#2.2x, %d ns, %#4.4x-%#4.4x)\n", s-socket, io->map, io->flags, io->speed, io->start, io->stop); map = io->map; if ((map > 1) || (io->start > 0xffff) || (io->stop > 0xffff) || (io->stop < io->start)) return -EINVAL; /* Turn off the window before changing anything */ if (i365_get(s, I365_ADDRWIN) & I365_ENA_IO(map)) i365_bclr(s, I365_ADDRWIN, I365_ENA_IO(map)); i365_set_pair(s, I365_IO(map)+I365_W_START, io->start); i365_set_pair(s, I365_IO(map)+I365_W_STOP, io->stop); ioctl = i365_get(s, I365_IOCTL) & ~I365_IOCTL_MASK(map); if (io->speed) ioctl |= I365_IOCTL_WAIT(map); if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map); if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map); if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map); i365_set(s, I365_IOCTL, ioctl); /* Turn on the window if necessary */ if (io->flags & MAP_ACTIVE) i365_bset(s, I365_ADDRWIN, I365_ENA_IO(map)); return 0; } /* i365_set_io_map */ /*====================================================================*/ static int i365_get_mem_map(socket_info_t *s, struct pccard_mem_map *mem) { u_short base, i; u_char map, addr; map = mem->map; if (map > 4) return -EINVAL; addr = i365_get(s, I365_ADDRWIN); mem->flags = (addr & I365_ENA_MEM(map)) ? MAP_ACTIVE : 0; base = I365_MEM(map); i = i365_get_pair(s, base+I365_W_START); mem->flags |= (i & I365_MEM_16BIT) ? MAP_16BIT : 0; mem->flags |= (i & I365_MEM_0WS) ? MAP_0WS : 0; mem->sys_start = ((u_long)(i & 0x0fff) << 12); i = i365_get_pair(s, base+I365_W_STOP); mem->speed = (i & I365_MEM_WS0) ? 1 : 0; mem->speed += (i & I365_MEM_WS1) ? 2 : 0; mem->speed *= cycle_time; mem->sys_stop = ((u_long)(i & 0x0fff) << 12) + 0x0fff; i = i365_get_pair(s, base+I365_W_OFF); mem->flags |= (i & I365_MEM_WRPROT) ? MAP_WRPROT : 0; mem->flags |= (i & I365_MEM_REG) ? MAP_ATTRIB : 0; mem->card_start = ((u_int)(i & 0x3fff) << 12) + mem->sys_start; mem->card_start &= 0x3ffffff; #ifdef CONFIG_PCI /* Take care of high byte, for PCI controllers */ if (s->type == IS_PD6729) { i365_set(s, PD67_EXT_INDEX, PD67_MEM_PAGE(map)); addr = i365_get(s, PD67_EXT_DATA) << 24; } else if (s->flags & IS_CARDBUS) { addr = i365_get(s, CB_MEM_PAGE(map)) << 24; mem->sys_stop += addr; mem->sys_start += addr; } #endif DEBUG(3, "i82365: GetMemMap(%d, %d) = %#2.2x, %d ns, %#5.5lx-%#5." "5lx, %#5.5x\n", s-socket, mem->map, mem->flags, mem->speed, mem->sys_start, mem->sys_stop, mem->card_start); return 0; } /* i365_get_mem_map */ /*====================================================================*/ static int i365_set_mem_map(socket_info_t *s, struct pccard_mem_map *mem) { u_short base, i; u_char map; DEBUG(3, "i82365: SetMemMap(%d, %d, %#2.2x, %d ns, %#5.5lx-%#5.5" "lx, %#5.5x)\n", s-socket, mem->map, mem->flags, mem->speed, mem->sys_start, mem->sys_stop, mem->card_start); map = mem->map; if ((map > 4) || (mem->card_start > 0x3ffffff) || (mem->sys_start > mem->sys_stop) || (mem->speed > 1000)) return -EINVAL; if (!(s->flags & (IS_PCI|IS_CARDBUS)) && ((mem->sys_start > 0xffffff) || (mem->sys_stop > 0xffffff))) return -EINVAL; /* Turn off the window before changing anything */ if (i365_get(s, I365_ADDRWIN) & I365_ENA_MEM(map)) i365_bclr(s, I365_ADDRWIN, I365_ENA_MEM(map)); #ifdef CONFIG_PCI /* Take care of high byte, for PCI controllers */ if (s->type == IS_PD6729) { i365_set(s, PD67_EXT_INDEX, PD67_MEM_PAGE(map)); i365_set(s, PD67_EXT_DATA, (mem->sys_start >> 24)); } else if (s->flags & IS_CARDBUS) i365_set(s, CB_MEM_PAGE(map), mem->sys_start >> 24); #endif base = I365_MEM(map); i = (mem->sys_start >> 12) & 0x0fff; if (mem->flags & MAP_16BIT) i |= I365_MEM_16BIT; if (mem->flags & MAP_0WS) i |= I365_MEM_0WS; i365_set_pair(s, base+I365_W_START, i); i = (mem->sys_stop >> 12) & 0x0fff; switch (mem->speed / cycle_time) { case 0: break; case 1: i |= I365_MEM_WS0; break; case 2: i |= I365_MEM_WS1; break; default: i |= I365_MEM_WS1 | I365_MEM_WS0; break; } i365_set_pair(s, base+I365_W_STOP, i); i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff; if (mem->flags & MAP_WRPROT) i |= I365_MEM_WRPROT; if (mem->flags & MAP_ATTRIB) i |= I365_MEM_REG; i365_set_pair(s, base+I365_W_OFF, i); /* Turn on the window if necessary */ if (mem->flags & MAP_ACTIVE) i365_bset(s, I365_ADDRWIN, I365_ENA_MEM(map)); return 0; } /* i365_set_mem_map */ /*====================================================================== The few things that are strictly for Cardbus cards goes here. ======================================================================*/ #ifdef CONFIG_CARDBUS static int cb_get_status(socket_info_t *s, u_int *value) { u_int state = cb_readl(s, CB_SOCKET_STATE); *value = (state & CB_SS_32BIT) ? SS_CARDBUS : 0; *value |= (state & CB_SS_CCD) ? 0 : SS_DETECT; *value |= (state & CB_SS_CSTSCHG) ? SS_STSCHG : 0; *value |= (state & CB_SS_PWRCYCLE) ? (SS_POWERON|SS_READY) : 0; *value |= (state & CB_SS_3VCARD) ? SS_3VCARD : 0; *value |= (state & CB_SS_XVCARD) ? SS_XVCARD : 0; *value |= (state & CB_SS_VSENSE) ? 0 : SS_PENDING; DEBUG(1, "yenta: GetStatus(%d) = %#4.4x\n", s-socket, *value); return 0; } /* cb_get_status */ static int cb_get_socket(socket_info_t *s, socket_state_t *state) { u_short bcr; cb_get_power(s, state); pci_readw(s, CB_BRIDGE_CONTROL, &bcr); state->flags |= (bcr & CB_BCR_CB_RESET) ? SS_RESET : 0; if (cb_get_irq_mode(s) != 0) state->io_irq = s->cap.pci_irq; else state->io_irq = i365_get(s, I365_INTCTL) & I365_IRQ_MASK; DEBUG(2, "yenta: GetSocket(%d) = flags %#3.3x, Vcc %d, Vpp %d" ", io_irq %d, csc_mask %#2.2x\n", s-socket, state->flags, state->Vcc, state->Vpp, state->io_irq, state->csc_mask); return 0; } /* cb_get_socket */ static int cb_set_socket(socket_info_t *s, socket_state_t *state) { u_int reg; DEBUG(2, "yenta: SetSocket(%d, flags %#3.3x, Vcc %d, Vpp %d, " "io_irq %d, csc_mask %#2.2x)\n", s-socket, state->flags, state->Vcc, state->Vpp, state->io_irq, state->csc_mask); /* First set global controller options */ if (s->cap.pci_irq) cb_set_irq_mode(s, pci_csc, (s->cap.pci_irq == state->io_irq)); s->bcr &= ~CB_BCR_CB_RESET; s->bcr |= (state->flags & SS_RESET) ? CB_BCR_CB_RESET : 0; set_bridge_state(s); cb_set_power(s, state); /* Handle IO interrupt using ISA routing */ reg = s->intr; if (state->io_irq != s->cap.pci_irq) reg |= state->io_irq; i365_set(s, I365_INTCTL, reg); /* Handle CSC mask */ if (!s->cs_irq && (!pci_csc || !s->cap.pci_irq)) return 0; reg = (s->cs_irq << 4); if (state->csc_mask & SS_DETECT) reg |= I365_CSC_DETECT; i365_set(s, I365_CSCINT, reg); i365_get(s, I365_CSC); cb_writel(s, CB_SOCKET_MASK, CB_SM_CCD); cb_writel(s, CB_SOCKET_EVENT, -1); return 0; } /* cb_set_socket */ static int cb_get_bridge(socket_info_t *s, struct cb_bridge_map *m) { u_char map = m->map; if (map > 1) return -EINVAL; m->flags &= MAP_IOSPACE; map += (m->flags & MAP_IOSPACE) ? 2 : 0; pci_readl(s, CB_MEM_BASE(map), &m->start); pci_readl(s, CB_MEM_LIMIT(map), &m->stop); if (m->start || m->stop) { m->flags |= MAP_ACTIVE; m->stop |= (map > 1) ? 3 : 0x0fff; } if (map > 1) { u_short bcr; pci_readw(s, CB_BRIDGE_CONTROL, &bcr); m->flags |= (bcr & CB_BCR_PREFETCH(map)) ? MAP_PREFETCH : 0; } DEBUG(3, "yenta: GetBridge(%d, %d) = %#2.2x, %#4.4x-%#4.4x\n", s-socket, map, m->flags, m->start, m->stop); return 0; } static int cb_set_bridge(socket_info_t *s, struct cb_bridge_map *m) { u_char map; DEBUG(3, "yenta: SetBridge(%d, %d, %#2.2x, %#4.4x-%#4.4x)\n", s-socket, m->map, m->flags, m->start, m->stop); map = m->map; if (!(s->flags & IS_CARDBUS) || (map > 1) || (m->stop < m->start)) return -EINVAL; if (m->flags & MAP_IOSPACE) { if ((m->stop > 0xffff) || (m->start & 3) || ((m->stop & 3) != 3)) return -EINVAL; map += 2; } else { u_short bcr; if ((m->start & 0x0fff) || ((m->stop & 0x0fff) != 0x0fff)) return -EINVAL; pci_readw(s, CB_BRIDGE_CONTROL, &bcr); bcr &= ~CB_BCR_PREFETCH(map); bcr |= (m->flags & MAP_PREFETCH) ? CB_BCR_PREFETCH(map) : 0; pci_writew(s, CB_BRIDGE_CONTROL, bcr); } if (m->flags & MAP_ACTIVE) { pci_writel(s, CB_MEM_BASE(map), m->start); pci_writel(s, CB_MEM_LIMIT(map), m->stop); } else { pci_writel(s, CB_MEM_BASE(map), 0); pci_writel(s, CB_MEM_LIMIT(map), 0); } return 0; } #endif /* CONFIG_CARDBUS */ /*====================================================================== Routines for accessing socket information and register dumps via /proc/bus/pccard/... ======================================================================*/ #ifdef HAS_PROC_BUS static int proc_read_info(char *buf, char **start, off_t pos, int count, int *eof, void *data) { socket_info_t *s = data; char *p = buf; p += sprintf(p, "type: %s\npsock: %d\n", pcic[s->type].name, s->psock); #ifdef CONFIG_PCI if (s->flags & (IS_PCI|IS_CARDBUS)) p += sprintf(p, "bus: %02x\ndevfn: %02x.%1x\n", s->bus, PCI_SLOT(s->devfn), PCI_FUNC(s->devfn)); if (s->flags & IS_CARDBUS) p += sprintf(p, "cardbus: %02x\n", s->cap.cardbus); #endif return (p - buf); } static int proc_read_exca(char *buf, char **start, off_t pos, int count, int *eof, void *data) { socket_info_t *s = data; char *p = buf; int i, top; #ifdef CONFIG_ISA u_long flags = 0; #endif ISA_LOCK(s, flags); top = 0x40; if (s->flags & IS_CARDBUS) top = (s->flags & IS_CIRRUS) ? 0x140 : 0x50; for (i = 0; i < top; i += 4) { if (i == 0x50) { p += sprintf(p, "\n"); i = 0x100; } p += sprintf(p, "%02x %02x %02x %02x%s", i365_get(s,i), i365_get(s,i+1), i365_get(s,i+2), i365_get(s,i+3), ((i % 16) == 12) ? "\n" : " "); } ISA_UNLOCK(s, flags); return (p - buf); } #ifdef CONFIG_PCI static int proc_read_pci(char *buf, char **start, off_t pos, int count, int *eof, void *data) { socket_info_t *s = data; char *p = buf; u_int a, b, c, d; int i; for (i = 0; i < 0xc0; i += 0x10) { pci_readl(s, i, &a); pci_readl(s, i+4, &b); pci_readl(s, i+8, &c); pci_readl(s, i+12, &d); p += sprintf(p, "%08x %08x %08x %08x\n", a, b, c, d); } return (p - buf); } static int proc_read_cardbus(char *buf, char **start, off_t pos, int count, int *eof, void *data) { socket_info_t *s = data; char *p = buf; int i, top; top = (s->flags & IS_O2MICRO) ? 0x30 : 0x20; for (i = 0; i < top; i += 0x10) p += sprintf(p, "%08x %08x %08x %08x\n", cb_readl(s,i+0x00), cb_readl(s,i+0x04), cb_readl(s,i+0x08), cb_readl(s,i+0x0c)); return (p - buf); } #endif static void pcic_proc_setup(socket_info_t *s, struct proc_dir_entry *base) { create_proc_read_entry("info", 0, base, proc_read_info, s); create_proc_read_entry("exca", 0, base, proc_read_exca, s); #ifdef CONFIG_PCI if (s->flags & (IS_PCI|IS_CARDBUS)) create_proc_read_entry("pci", 0, base, proc_read_pci, s); if (s->flags & IS_CARDBUS) create_proc_read_entry("cardbus", 0, base, proc_read_cardbus, s); #endif s->proc = base; } static void pcic_proc_remove(socket_info_t *s) { struct proc_dir_entry *base = s->proc; if (base == NULL) return; remove_proc_entry("info", base); remove_proc_entry("exca", base); #ifdef CONFIG_PCI if (s->flags & (IS_PCI|IS_CARDBUS)) remove_proc_entry("pci", base); if (s->flags & IS_CARDBUS) remove_proc_entry("cardbus", base); #endif } #endif /* HAS_PROC_BUS */ /*====================================================================*/ typedef int (*subfn_t)(socket_info_t *, void *); static subfn_t pcic_service_table[] = { (subfn_t)&pcic_register_callback, (subfn_t)&pcic_inquire_socket, (subfn_t)&i365_get_status, (subfn_t)&i365_get_socket, (subfn_t)&i365_set_socket, (subfn_t)&i365_get_io_map, (subfn_t)&i365_set_io_map, (subfn_t)&i365_get_mem_map, (subfn_t)&i365_set_mem_map, #ifdef CONFIG_CARDBUS (subfn_t)&cb_get_bridge, (subfn_t)&cb_set_bridge, #else NULL, NULL, #endif #ifdef HAS_PROC_BUS (subfn_t)&pcic_proc_setup #endif }; #define NFUNC (sizeof(pcic_service_table)/sizeof(subfn_t)) static int pcic_service(u_int sock, u_int cmd, void *arg) { socket_info_t *s = &socket[sock]; subfn_t fn; int ret; #ifdef CONFIG_ISA u_long flags = 0; #endif if (cmd >= NFUNC) return -EINVAL; if (s->flags & IS_ALIVE) { if (cmd == SS_GetStatus) *(u_int *)arg = 0; return -EINVAL; } fn = pcic_service_table[cmd]; #ifdef CONFIG_CARDBUS if ((s->flags & IS_CARDBUS) && (cb_readl(s, CB_SOCKET_STATE) & CB_SS_32BIT)) { if (cmd == SS_GetStatus) fn = (subfn_t)&cb_get_status; else if (cmd == SS_GetSocket) fn = (subfn_t)&cb_get_socket; else if (cmd == SS_SetSocket) fn = (subfn_t)&cb_set_socket; } #endif ISA_LOCK(s, flags); ret = (fn == NULL) ? -EINVAL : fn(s, arg); ISA_UNLOCK(s, flags); return ret; } /* pcic_service */ /*====================================================================*/ static int __init init_i82365(void) { #ifdef __LINUX__ servinfo_t serv; CardServices(GetCardServicesInfo, &serv); if (serv.Revision != CS_RELEASE_CODE) { printk(KERN_NOTICE "i82365: Card Services release " "does not match!\n"); return -1; } #endif DEBUG(0, "%s\n", version); printk(KERN_INFO "Intel PCIC probe: "); sockets = 0; ACQUIRE_RESOURCE_LOCK; #ifdef CONFIG_PCI if (do_pci_probe && pcibios_present()) { pci_probe(PCI_CLASS_BRIDGE_CARDBUS); pci_probe(PCI_CLASS_BRIDGE_PCMCIA); } #endif #ifdef CONFIG_ISA isa_probe(i365_base); if (!sockets || extra_sockets) isa_probe(i365_base+2); #endif RELEASE_RESOURCE_LOCK; if (sockets == 0) { printk("not found.\n"); return -ENODEV; } /* Set up interrupt handler(s) */ #ifdef CONFIG_ISA if (grab_irq != 0) _request_irq(cs_irq, pcic_interrupt, 0, "i82365"); #endif #ifdef CONFIG_PCI if (pci_csc) { u_int i, irq, mask = 0; for (i = 0; i < sockets; i++) { irq = socket[i].cap.pci_irq; if (irq && !(mask & (1<flags & IS_CARDBUS) cb_writel(s, CB_SOCKET_MASK, 0); if (s->cb_virt) { iounmap(s->cb_virt); release_mem_region(s->cb_phys, 0x1000); } else #endif release_region(s->ioaddr, 2); } } /* exit_i82365 */ #ifdef __LINUX__ module_init(init_i82365); module_exit(exit_i82365); #endif /*====================================================================*/ #ifdef __BEOS__ static status_t std_ops(int32 op) { int ret; switch (op) { case B_MODULE_INIT: ret = get_module(CS_SOCKET_MODULE_NAME, (struct module_info **)&cs); if (ret != B_OK) return ret; ret = get_module(B_ISA_MODULE_NAME, (struct module_info **)&isa); if (ret != B_OK) return ret; ret = get_module(B_PCI_MODULE_NAME, (struct module_info **)&pci); if (ret != B_OK) return ret; return pcic_init(); break; case B_MODULE_UNINIT: exit_i82365(); if (pci) put_module(B_PCI_MODULE_NAME); if (isa) put_module(B_ISA_MODULE_NAME); if (cs) put_module(CS_SOCKET_MODULE_NAME); break; } return B_OK; } static module_info pcic_mod_info = { SS_MODULE_NAME("i82365"), 0, &std_ops }; _EXPORT module_info *modules[] = { &pcic_mod_info, NULL }; #endif