/* $NetBSD: icp_pci.c,v 1.2 2002/04/24 15:08:48 ad Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Andrew Doran. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1999, 2000 Niklas Hallqvist. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Niklas Hallqvist. * 4. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * from OpenBSD: icp_pci.c,v 1.11 2001/06/12 15:40:30 niklas Exp */ /* * This driver would not have written if it was not for the hardware donations * from both ICP-Vortex and Öko.neT. I want to thank them for their support. * * Re-worked for NetBSD by Andrew Doran. Test hardware kindly supplied by * Intel. */ #include __KERNEL_RCSID(0, "$NetBSD: icp_pci.c,v 1.2 2002/04/24 15:08:48 ad Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* Product numbers for Fibre-Channel are greater than or equal to 0x200 */ #define ICP_PCI_PRODUCT_FC 0x200 /* Mapping registers for various areas */ #define ICP_PCI_DPMEM 0x10 #define ICP_PCINEW_IOMEM 0x10 #define ICP_PCINEW_IO 0x14 #define ICP_PCINEW_DPMEM 0x18 /* PCI SRAM structure */ #define ICP_MAGIC 0x00 /* u_int32_t, controller ID from BIOS */ #define ICP_NEED_DEINIT 0x04 /* u_int16_t, switch between BIOS/driver */ #define ICP_SWITCH_SUPPORT 0x06 /* u_int8_t, see ICP_NEED_DEINIT */ #define ICP_OS_USED 0x10 /* u_int8_t [16], OS code per service */ #define ICP_FW_MAGIC 0x3c /* u_int8_t, controller ID from firmware */ #define ICP_SRAM_SZ 0x40 /* DPRAM PCI controllers */ #define ICP_DPR_IF 0x00 /* interface area */ #define ICP_6SR (0xff0 - ICP_SRAM_SZ) #define ICP_SEMA1 0xff1 /* volatile u_int8_t, command semaphore */ #define ICP_IRQEN 0xff5 /* u_int8_t, board interrupts enable */ #define ICP_EVENT 0xff8 /* u_int8_t, release event */ #define ICP_IRQDEL 0xffc /* u_int8_t, acknowledge board interrupt */ #define ICP_DPRAM_SZ 0x1000 /* PLX register structure (new PCI controllers) */ #define ICP_CFG_REG 0x00 /* u_int8_t, DPRAM cfg. (2: < 1MB, 0: any) */ #define ICP_SEMA0_REG 0x40 /* volatile u_int8_t, command semaphore */ #define ICP_SEMA1_REG 0x41 /* volatile u_int8_t, status semaphore */ #define ICP_PLX_STATUS 0x44 /* volatile u_int16_t, command status */ #define ICP_PLX_SERVICE 0x46 /* u_int16_t, service */ #define ICP_PLX_INFO 0x48 /* u_int32_t [2], additional info */ #define ICP_LDOOR_REG 0x60 /* u_int8_t, PCI to local doorbell */ #define ICP_EDOOR_REG 0x64 /* volatile u_int8_t, local to PCI doorbell */ #define ICP_CONTROL0 0x68 /* u_int8_t, control0 register (unused) */ #define ICP_CONTROL1 0x69 /* u_int8_t, board interrupts enable */ #define ICP_PLX_SZ 0x80 /* DPRAM new PCI controllers */ #define ICP_IC 0x00 /* interface */ #define ICP_PCINEW_6SR (0x4000 - ICP_SRAM_SZ) /* SRAM structure */ #define ICP_PCINEW_SZ 0x4000 /* i960 register structure (PCI MPR controllers) */ #define ICP_MPR_SEMA0 0x10 /* volatile u_int8_t, command semaphore */ #define ICP_MPR_SEMA1 0x12 /* volatile u_int8_t, status semaphore */ #define ICP_MPR_STATUS 0x14 /* volatile u_int16_t, command status */ #define ICP_MPR_SERVICE 0x16 /* u_int16_t, service */ #define ICP_MPR_INFO 0x18 /* u_int32_t [2], additional info */ #define ICP_MPR_LDOOR 0x20 /* u_int8_t, PCI to local doorbell */ #define ICP_MPR_EDOOR 0x2c /* volatile u_int8_t, locl to PCI doorbell */ #define ICP_EDOOR_EN 0x34 /* u_int8_t, board interrupts enable */ #define ICP_I960_SZ 0x1000 /* DPRAM PCI MPR controllers */ #define ICP_I960R 0x00 /* 4KB i960 registers */ #define ICP_MPR_IC ICP_I960_SZ /* interface area */ #define ICP_MPR_6SR (ICP_I960_SZ + 0x3000 - ICP_SRAM_SZ) /* SRAM structure */ #define ICP_MPR_SZ 0x4000 int icp_pci_match(struct device *, struct cfdata *, void *); void icp_pci_attach(struct device *, struct device *, void *); void icp_pci_enable_intr(struct icp_softc *); int icp_pci_find_class(struct pci_attach_args *); void icp_pci_copy_cmd(struct icp_softc *, struct icp_ccb *); u_int8_t icp_pci_get_status(struct icp_softc *); void icp_pci_intr(struct icp_softc *, struct icp_intr_ctx *); void icp_pci_release_event(struct icp_softc *, struct icp_ccb *); void icp_pci_set_sema0(struct icp_softc *); int icp_pci_test_busy(struct icp_softc *); void icp_pcinew_copy_cmd(struct icp_softc *, struct icp_ccb *); u_int8_t icp_pcinew_get_status(struct icp_softc *); void icp_pcinew_intr(struct icp_softc *, struct icp_intr_ctx *); void icp_pcinew_release_event(struct icp_softc *, struct icp_ccb *); void icp_pcinew_set_sema0(struct icp_softc *); int icp_pcinew_test_busy(struct icp_softc *); void icp_mpr_copy_cmd(struct icp_softc *, struct icp_ccb *); u_int8_t icp_mpr_get_status(struct icp_softc *); void icp_mpr_intr(struct icp_softc *, struct icp_intr_ctx *); void icp_mpr_release_event(struct icp_softc *, struct icp_ccb *); void icp_mpr_set_sema0(struct icp_softc *); int icp_mpr_test_busy(struct icp_softc *); struct cfattach icp_pci_ca = { sizeof(struct icp_softc), icp_pci_match, icp_pci_attach }; struct icp_pci_ident { u_short gpi_vendor; u_short gpi_product; u_short gpi_class; } const icp_pci_ident[] = { { PCI_VENDOR_VORTEX, PCI_PRODUCT_VORTEX_GDT_60x0, ICP_PCI }, { PCI_VENDOR_VORTEX, PCI_PRODUCT_VORTEX_GDT_6000B, ICP_PCI }, { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_GDT_RAID1, ICP_MPR }, { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_GDT_RAID2, ICP_MPR }, }; int icp_pci_find_class(struct pci_attach_args *pa) { const struct icp_pci_ident *gpi, *maxgpi; gpi = icp_pci_ident; maxgpi = gpi + sizeof(icp_pci_ident) / sizeof(icp_pci_ident[0]); for (; gpi < maxgpi; gpi++) if (PCI_VENDOR(pa->pa_id) == gpi->gpi_vendor && PCI_PRODUCT(pa->pa_id) == gpi->gpi_product) return (gpi->gpi_class); /* * ICP-Vortex only make RAID controllers, so we employ a heuristic * to match unlisted boards. */ if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VORTEX) return (PCI_PRODUCT(pa->pa_id) < 0x100 ? ICP_PCINEW : ICP_MPR); return (-1); } int icp_pci_match(struct device *parent, struct cfdata *match, void *aux) { struct pci_attach_args *pa; pa = aux; if (PCI_CLASS(pa->pa_class) == PCI_CLASS_I2O) return (0); return (icp_pci_find_class(pa) != -1); } void icp_pci_attach(struct device *parent, struct device *self, void *aux) { struct pci_attach_args *pa; struct icp_softc *icp; bus_space_tag_t dpmemt, iomemt, iot; bus_space_handle_t dpmemh, iomemh, ioh; bus_addr_t dpmembase, iomembase, iobase; bus_size_t dpmemsize, iomemsize, iosize; u_int32_t status; #define DPMEM_MAPPED 1 #define IOMEM_MAPPED 2 #define IO_MAPPED 4 #define INTR_ESTABLISHED 8 int retries; u_int8_t protocol; pci_intr_handle_t ih; const char *intrstr; pa = aux; status = 0; icp = (struct icp_softc *)self; icp->icp_class = icp_pci_find_class(pa); printf(": "); if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_VORTEX && PCI_PRODUCT(pa->pa_id) >= ICP_PCI_PRODUCT_FC) icp->icp_class |= ICP_FC; if (pci_mapreg_map(pa, ICP_CLASS(icp) == ICP_PCINEW ? ICP_PCINEW_DPMEM : ICP_PCI_DPMEM, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, &dpmemt, &dpmemh, &dpmembase, &dpmemsize)) { if (pci_mapreg_map(pa, ICP_CLASS(icp) == ICP_PCINEW ? ICP_PCINEW_DPMEM : ICP_PCI_DPMEM, PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT_1M, 0, &dpmemt, &dpmemh, &dpmembase, &dpmemsize)) { printf("cannot map DPMEM\n"); goto bail_out; } } status |= DPMEM_MAPPED; icp->icp_dpmemt = dpmemt; icp->icp_dpmemh = dpmemh; icp->icp_dpmembase = dpmembase; icp->icp_dmat = pa->pa_dmat; /* * The ICP_PCINEW series also has two other regions to map. */ if (ICP_CLASS(icp) == ICP_PCINEW) { if (pci_mapreg_map(pa, ICP_PCINEW_IOMEM, PCI_MAPREG_TYPE_MEM, 0, &iomemt, &iomemh, &iomembase, &iomemsize)) { printf("cannot map memory mapped I/O ports\n"); goto bail_out; } status |= IOMEM_MAPPED; if (pci_mapreg_map(pa, ICP_PCINEW_IO, PCI_MAPREG_TYPE_IO, 0, &iot, &ioh, &iobase, &iosize)) { printf("cannot map I/O ports\n"); goto bail_out; } status |= IO_MAPPED; icp->icp_iot = iot; icp->icp_ioh = ioh; icp->icp_iobase = iobase; } switch (ICP_CLASS(icp)) { case ICP_PCI: bus_space_set_region_4(dpmemt, dpmemh, 0, 0, ICP_DPR_IF_SZ >> 2); if (bus_space_read_1(dpmemt, dpmemh, 0) != 0) { printf("cannot write to DPMEM\n"); goto bail_out; } #if 0 /* disable board interrupts, deinit services */ icph_writeb(0xff, &dp6_ptr->io.irqdel); icph_writeb(0x00, &dp6_ptr->io.irqen);; icph_writeb(0x00, &dp6_ptr->u.ic.S_Status); icph_writeb(0x00, &dp6_ptr->u.ic.Cmd_Index); icph_writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]); icph_writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx); icph_writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; icph_delay(20); while (icph_readb(&dp6_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("initialization error (DEINIT failed)\n"); icph_munmap(ha->brd); return 0; } icph_delay(1); } prot_ver = (unchar)icph_readl(&dp6_ptr->u.ic.S_Info[0]); icph_writeb(0, &dp6_ptr->u.ic.S_Status); icph_writeb(0xff, &dp6_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("illegal protocol version\n"); icph_munmap(ha->brd); return 0; } ha->type = ICP_PCI; ha->ic_all_size = sizeof(dp6_ptr->u); /* special command to controller BIOS */ icph_writel(0x00, &dp6_ptr->u.ic.S_Info[0]); icph_writel(0x00, &dp6_ptr->u.ic.S_Info[1]); icph_writel(0x01, &dp6_ptr->u.ic.S_Info[2]); icph_writel(0x00, &dp6_ptr->u.ic.S_Info[3]); icph_writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx); icph_writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; icph_delay(20); while (icph_readb(&dp6_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("initialization error\n"); icph_munmap(ha->brd); return 0; } icph_delay(1); } icph_writeb(0, &dp6_ptr->u.ic.S_Status); icph_writeb(0xff, &dp6_ptr->io.irqdel); #endif icp->icp_ic_all_size = ICP_DPRAM_SZ; icp->icp_copy_cmd = icp_pci_copy_cmd; icp->icp_get_status = icp_pci_get_status; icp->icp_intr = icp_pci_intr; icp->icp_release_event = icp_pci_release_event; icp->icp_set_sema0 = icp_pci_set_sema0; icp->icp_test_busy = icp_pci_test_busy; break; case ICP_PCINEW: bus_space_set_region_4(dpmemt, dpmemh, 0, 0, ICP_DPR_IF_SZ >> 2); if (bus_space_read_1(dpmemt, dpmemh, 0) != 0) { printf("cannot write to DPMEM\n"); goto bail_out; } #if 0 /* disable board interrupts, deinit services */ outb(0x00,PTR2USHORT(&ha->plx->control1)); outb(0xff,PTR2USHORT(&ha->plx->edoor_reg)); icph_writeb(0x00, &dp6c_ptr->u.ic.S_Status); icph_writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index); icph_writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]); icph_writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; icph_delay(20); while (icph_readb(&dp6c_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("initialization error (DEINIT failed)\n"); icph_munmap(ha->brd); return 0; } icph_delay(1); } prot_ver = (unchar)icph_readl(&dp6c_ptr->u.ic.S_Info[0]); icph_writeb(0, &dp6c_ptr->u.ic.Status); if (prot_ver != PROTOCOL_VERSION) { printk("illegal protocol version\n"); icph_munmap(ha->brd); return 0; } ha->type = ICP_PCINEW; ha->ic_all_size = sizeof(dp6c_ptr->u); /* special command to controller BIOS */ icph_writel(0x00, &dp6c_ptr->u.ic.S_Info[0]); icph_writel(0x00, &dp6c_ptr->u.ic.S_Info[1]); icph_writel(0x01, &dp6c_ptr->u.ic.S_Info[2]); icph_writel(0x00, &dp6c_ptr->u.ic.S_Info[3]); icph_writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; icph_delay(20); while (icph_readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("initialization error\n"); icph_munmap(ha->brd); return 0; } icph_delay(1); } icph_writeb(0, &dp6c_ptr->u.ic.S_Status); #endif icp->icp_ic_all_size = ICP_PCINEW_SZ; icp->icp_copy_cmd = icp_pcinew_copy_cmd; icp->icp_get_status = icp_pcinew_get_status; icp->icp_intr = icp_pcinew_intr; icp->icp_release_event = icp_pcinew_release_event; icp->icp_set_sema0 = icp_pcinew_set_sema0; icp->icp_test_busy = icp_pcinew_test_busy; break; case ICP_MPR: bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC, ICP_MPR_MAGIC); if (bus_space_read_4(dpmemt, dpmemh, ICP_MPR_IC) != ICP_MPR_MAGIC) { printf("cannot access DPMEM at 0x%lx (shadowed?)\n", (u_long)dpmembase); goto bail_out; } /* * XXX Here the Linux driver has a weird remapping logic I * don't understand. My controller does not need it, and I * cannot see what purpose it serves, therefore I did not * do anything similar. */ bus_space_set_region_4(dpmemt, dpmemh, ICP_I960_SZ, 0, ICP_DPR_IF_SZ >> 2); /* Disable everything. */ bus_space_write_1(dpmemt, dpmemh, ICP_EDOOR_EN, bus_space_read_1(dpmemt, dpmemh, ICP_EDOOR_EN) | 4); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_EDOOR, 0xff); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_STATUS, 0); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_CMD_INDEX, 0); bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO, htole32(dpmembase)); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_CMD_INDX, 0xff); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_LDOOR, 1); DELAY(20); retries = 1000000; while (bus_space_read_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_STATUS) != 0xff) { if (--retries == 0) { printf("DEINIT failed\n"); goto bail_out; } DELAY(1); } protocol = (u_int8_t)bus_space_read_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_STATUS, 0); if (protocol != ICP_PROTOCOL_VERSION) { printf("unsupported protocol %d\n", protocol); goto bail_out; } /* special commnd to controller BIOS */ bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO, 0); bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO + sizeof(u_int32_t), 0); bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO + 2 * sizeof(u_int32_t), 1); bus_space_write_4(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_INFO + 3 * sizeof(u_int32_t), 0); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_CMD_INDX, 0xfe); bus_space_write_1(dpmemt, dpmemh, ICP_MPR_LDOOR, 1); DELAY(20); retries = 1000000; while (bus_space_read_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_STATUS) != 0xfe) { if (--retries == 0) { printf("initialization error\n"); goto bail_out; } DELAY(1); } bus_space_write_1(dpmemt, dpmemh, ICP_MPR_IC + ICP_S_STATUS, 0); icp->icp_copy_cmd = icp_mpr_copy_cmd; icp->icp_get_status = icp_mpr_get_status; icp->icp_intr = icp_mpr_intr; icp->icp_release_event = icp_mpr_release_event; icp->icp_set_sema0 = icp_mpr_set_sema0; icp->icp_test_busy = icp_mpr_test_busy; break; } if (pci_intr_map(pa, &ih)) { printf("couldn't map interrupt\n"); goto bail_out; } intrstr = pci_intr_string(pa->pa_pc, ih); icp->icp_ih = pci_intr_establish(pa->pa_pc, ih, IPL_BIO, icp_intr, icp); if (icp->icp_ih == NULL) { printf("couldn't establish interrupt"); if (intrstr != NULL) printf(" at %s", intrstr); printf("\n"); goto bail_out; } status |= INTR_ESTABLISHED; if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_INTEL) printf("Intel Storage RAID controller\n"); else printf("ICP-Vortex RAID controller\n"); if (icp_init(icp, intrstr)) goto bail_out; icp_pci_enable_intr(icp); return; bail_out: if ((status & DPMEM_MAPPED) != 0) bus_space_unmap(dpmemt, dpmemh, dpmemsize); if ((status & IOMEM_MAPPED) != 0) bus_space_unmap(iomemt, iomemh, iomembase); if ((status & IO_MAPPED) != 0) bus_space_unmap(iot, ioh, iosize); if ((status & INTR_ESTABLISHED) != 0) pci_intr_disestablish(pa->pa_pc, icp->icp_ih); } /* * Enable interrupts. */ void icp_pci_enable_intr(struct icp_softc *icp) { switch (ICP_CLASS(icp)) { case ICP_PCI: bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_IRQDEL, 1); bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_CMD_INDEX, 0); bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_IRQEN, 1); break; case ICP_PCINEW: bus_space_write_1(icp->icp_iot, icp->icp_ioh, ICP_EDOOR_REG, 0xff); bus_space_write_1(icp->icp_iot, icp->icp_ioh, ICP_CONTROL1, 3); break; case ICP_MPR: bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_EDOOR, 0xff); bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_EDOOR_EN, bus_space_read_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_EDOOR_EN) & ~4); break; } } /* * "Old" PCI controller-specific functions. */ void icp_pci_copy_cmd(struct icp_softc *icp, struct icp_ccb *ccb) { /* XXX Not yet implemented */ } u_int8_t icp_pci_get_status(struct icp_softc *icp) { /* XXX Not yet implemented */ return (0); } void icp_pci_intr(struct icp_softc *icp, struct icp_intr_ctx *ctx) { /* XXX Not yet implemented */ } void icp_pci_release_event(struct icp_softc *icp, struct icp_ccb *ccb) { /* XXX Not yet implemented */ } void icp_pci_set_sema0(struct icp_softc *icp) { bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_SEMA0, 1); } int icp_pci_test_busy(struct icp_softc *icp) { /* XXX Not yet implemented */ return (0); } /* * "New" PCI controller-specific functions. */ void icp_pcinew_copy_cmd(struct icp_softc *icp, struct icp_ccb *ccb) { /* XXX Not yet implemented */ } u_int8_t icp_pcinew_get_status(struct icp_softc *icp) { /* XXX Not yet implemented */ return (0); } void icp_pcinew_intr(struct icp_softc *icp, struct icp_intr_ctx *ctx) { /* XXX Not yet implemented */ } void icp_pcinew_release_event(struct icp_softc *icp, struct icp_ccb *ccb) { /* XXX Not yet implemented */ } void icp_pcinew_set_sema0(struct icp_softc *icp) { bus_space_write_1(icp->icp_iot, icp->icp_ioh, ICP_SEMA0_REG, 1); } int icp_pcinew_test_busy(struct icp_softc *icp) { /* XXX Not yet implemented */ return (0); } /* * MPR PCI controller-specific functions */ void icp_mpr_copy_cmd(struct icp_softc *icp, struct icp_ccb *ic) { bus_space_write_2(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_IC + ICP_COMM_QUEUE + 0 * ICP_COMM_Q_SZ + ICP_OFFSET, ICP_DPR_CMD); bus_space_write_2(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_IC + ICP_COMM_QUEUE + 0 * ICP_COMM_Q_SZ + ICP_SERV_ID, ic->ic_service); bus_space_write_region_4(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_IC + ICP_DPR_CMD, (u_int32_t *)&ic->ic_cmd, ic->ic_cmdlen >> 2); } u_int8_t icp_mpr_get_status(struct icp_softc *icp) { return (bus_space_read_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_EDOOR)); } void icp_mpr_intr(struct icp_softc *icp, struct icp_intr_ctx *ctx) { if ((ctx->istatus & 0x80) != 0) { /* error flag */ ctx->istatus &= ~0x80; ctx->cmd_status = bus_space_read_2(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_STATUS); } else ctx->cmd_status = ICP_S_OK; ctx->service = bus_space_read_2(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_SERVICE); ctx->info = bus_space_read_4(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_INFO); ctx->info2 = bus_space_read_4(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_INFO + sizeof(u_int32_t)); /* * XXX Read async event string here. */ bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_EDOOR, 0xff); bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_SEMA1, 0); } void icp_mpr_release_event(struct icp_softc *icp, struct icp_ccb *ic) { bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_LDOOR, 1); } void icp_mpr_set_sema0(struct icp_softc *icp) { bus_space_write_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_SEMA0, 1); } int icp_mpr_test_busy(struct icp_softc *icp) { return (bus_space_read_1(icp->icp_dpmemt, icp->icp_dpmemh, ICP_MPR_SEMA0) & 1); }