/* * ti113x.h 1.16 1999/10/25 20:03:34 * * 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 * <dahinds@users.sourceforge.net>. 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 General 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. */ #ifndef _LINUX_TI113X_H #define _LINUX_TI113X_H #include <linux/config.h> /* Register definitions for TI 113X PCI-to-CardBus bridges */ /* System Control Register */ #define TI113X_SYSTEM_CONTROL 0x0080 /* 32 bit */ #define TI113X_SCR_SMIROUTE 0x04000000 #define TI113X_SCR_SMISTATUS 0x02000000 #define TI113X_SCR_SMIENB 0x01000000 #define TI113X_SCR_VCCPROT 0x00200000 #define TI113X_SCR_REDUCEZV 0x00100000 #define TI113X_SCR_CDREQEN 0x00080000 #define TI113X_SCR_CDMACHAN 0x00070000 #define TI113X_SCR_SOCACTIVE 0x00002000 #define TI113X_SCR_PWRSTREAM 0x00000800 #define TI113X_SCR_DELAYUP 0x00000400 #define TI113X_SCR_DELAYDOWN 0x00000200 #define TI113X_SCR_INTERROGATE 0x00000100 #define TI113X_SCR_CLKRUN_SEL 0x00000080 #define TI113X_SCR_PWRSAVINGS 0x00000040 #define TI113X_SCR_SUBSYSRW 0x00000020 #define TI113X_SCR_CB_DPAR 0x00000010 #define TI113X_SCR_CDMA_EN 0x00000008 #define TI113X_SCR_ASYNC_IRQ 0x00000004 #define TI113X_SCR_KEEPCLK 0x00000002 #define TI113X_SCR_CLKRUN_ENA 0x00000001 #define TI122X_SCR_SER_STEP 0xc0000000 #define TI122X_SCR_INTRTIE 0x20000000 #define TIXX21_SCR_TIEALL 0x10000000 #define TI122X_SCR_CBRSVD 0x00400000 #define TI122X_SCR_MRBURSTDN 0x00008000 #define TI122X_SCR_MRBURSTUP 0x00004000 #define TI122X_SCR_RIMUX 0x00000001 /* Multimedia Control Register */ #define TI1250_MULTIMEDIA_CTL 0x0084 /* 8 bit */ #define TI1250_MMC_ZVOUTEN 0x80 #define TI1250_MMC_PORTSEL 0x40 #define TI1250_MMC_ZVEN1 0x02 #define TI1250_MMC_ZVEN0 0x01 #define TI1250_GENERAL_STATUS 0x0085 /* 8 bit */ #define TI1250_GPIO0_CONTROL 0x0088 /* 8 bit */ #define TI1250_GPIO1_CONTROL 0x0089 /* 8 bit */ #define TI1250_GPIO2_CONTROL 0x008a /* 8 bit */ #define TI1250_GPIO3_CONTROL 0x008b /* 8 bit */ #define TI1250_GPIO_MODE_MASK 0xc0 /* IRQMUX/MFUNC Register */ #define TI122X_MFUNC 0x008c /* 32 bit */ #define TI122X_MFUNC0_MASK 0x0000000f #define TI122X_MFUNC1_MASK 0x000000f0 #define TI122X_MFUNC2_MASK 0x00000f00 #define TI122X_MFUNC3_MASK 0x0000f000 #define TI122X_MFUNC4_MASK 0x000f0000 #define TI122X_MFUNC5_MASK 0x00f00000 #define TI122X_MFUNC6_MASK 0x0f000000 #define TI122X_MFUNC0_INTA 0x00000002 #define TI125X_MFUNC0_INTB 0x00000001 #define TI122X_MFUNC1_INTB 0x00000020 #define TI122X_MFUNC3_IRQSER 0x00001000 /* Retry Status Register */ #define TI113X_RETRY_STATUS 0x0090 /* 8 bit */ #define TI113X_RSR_PCIRETRY 0x80 #define TI113X_RSR_CBRETRY 0x40 #define TI113X_RSR_TEXP_CBB 0x20 #define TI113X_RSR_MEXP_CBB 0x10 #define TI113X_RSR_TEXP_CBA 0x08 #define TI113X_RSR_MEXP_CBA 0x04 #define TI113X_RSR_TEXP_PCI 0x02 #define TI113X_RSR_MEXP_PCI 0x01 /* Card Control Register */ #define TI113X_CARD_CONTROL 0x0091 /* 8 bit */ #define TI113X_CCR_RIENB 0x80 #define TI113X_CCR_ZVENABLE 0x40 #define TI113X_CCR_PCI_IRQ_ENA 0x20 #define TI113X_CCR_PCI_IREQ 0x10 #define TI113X_CCR_PCI_CSC 0x08 #define TI113X_CCR_SPKROUTEN 0x02 #define TI113X_CCR_IFG 0x01 #define TI1220_CCR_PORT_SEL 0x20 #define TI122X_CCR_AUD2MUX 0x04 /* Device Control Register */ #define TI113X_DEVICE_CONTROL 0x0092 /* 8 bit */ #define TI113X_DCR_5V_FORCE 0x40 #define TI113X_DCR_3V_FORCE 0x20 #define TI113X_DCR_IMODE_MASK 0x06 #define TI113X_DCR_IMODE_ISA 0x02 #define TI113X_DCR_IMODE_SERIAL 0x04 #define TI12XX_DCR_IMODE_PCI_ONLY 0x00 #define TI12XX_DCR_IMODE_ALL_SERIAL 0x06 /* Buffer Control Register */ #define TI113X_BUFFER_CONTROL 0x0093 /* 8 bit */ #define TI113X_BCR_CB_READ_DEPTH 0x08 #define TI113X_BCR_CB_WRITE_DEPTH 0x04 #define TI113X_BCR_PCI_READ_DEPTH 0x02 #define TI113X_BCR_PCI_WRITE_DEPTH 0x01 /* Diagnostic Register */ #define TI1250_DIAGNOSTIC 0x0093 /* 8 bit */ #define TI1250_DIAG_TRUE_VALUE 0x80 #define TI1250_DIAG_PCI_IREQ 0x40 #define TI1250_DIAG_PCI_CSC 0x20 #define TI1250_DIAG_ASYNC_CSC 0x01 /* DMA Registers */ #define TI113X_DMA_0 0x0094 /* 32 bit */ #define TI113X_DMA_1 0x0098 /* 32 bit */ /* ExCA IO offset registers */ #define TI113X_IO_OFFSET(map) (0x36+((map)<<1)) /* EnE test register */ #define ENE_TEST_C9 0xc9 /* 8bit */ #define ENE_TEST_C9_TLTENABLE 0x02 #define ENE_TEST_C9_PFENABLE_F0 0x04 #define ENE_TEST_C9_PFENABLE_F1 0x08 #define ENE_TEST_C9_PFENABLE (ENE_TEST_C9_PFENABLE_F0 | ENE_TEST_C9_PFENABLE_F0) #define ENE_TEST_C9_WPDISALBLE_F0 0x40 #define ENE_TEST_C9_WPDISALBLE_F1 0x80 #define ENE_TEST_C9_WPDISALBLE (ENE_TEST_C9_WPDISALBLE_F0 | ENE_TEST_C9_WPDISALBLE_F1) /* * Texas Instruments CardBus controller overrides. */ #define ti_sysctl(socket) ((socket)->private[0]) #define ti_cardctl(socket) ((socket)->private[1]) #define ti_devctl(socket) ((socket)->private[2]) #define ti_diag(socket) ((socket)->private[3]) #define ti_mfunc(socket) ((socket)->private[4]) #define ene_test_c9(socket) ((socket)->private[5]) /* * These are the TI specific power management handlers. */ static void ti_save_state(struct yenta_socket *socket) { ti_sysctl(socket) = config_readl(socket, TI113X_SYSTEM_CONTROL); ti_mfunc(socket) = config_readl(socket, TI122X_MFUNC); ti_cardctl(socket) = config_readb(socket, TI113X_CARD_CONTROL); ti_devctl(socket) = config_readb(socket, TI113X_DEVICE_CONTROL); ti_diag(socket) = config_readb(socket, TI1250_DIAGNOSTIC); if (socket->dev->vendor == PCI_VENDOR_ID_ENE) ene_test_c9(socket) = config_readb(socket, ENE_TEST_C9); } static void ti_restore_state(struct yenta_socket *socket) { config_writel(socket, TI113X_SYSTEM_CONTROL, ti_sysctl(socket)); config_writel(socket, TI122X_MFUNC, ti_mfunc(socket)); config_writeb(socket, TI113X_CARD_CONTROL, ti_cardctl(socket)); config_writeb(socket, TI113X_DEVICE_CONTROL, ti_devctl(socket)); config_writeb(socket, TI1250_DIAGNOSTIC, ti_diag(socket)); if (socket->dev->vendor == PCI_VENDOR_ID_ENE) config_writeb(socket, ENE_TEST_C9, ene_test_c9(socket)); } /* * Zoom video control for TI122x/113x chips */ static void ti_zoom_video(struct pcmcia_socket *sock, int onoff) { u8 reg; struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); /* If we don't have a Zoom Video switch this is harmless, we just tristate the unused (ZV) lines */ reg = config_readb(socket, TI113X_CARD_CONTROL); if (onoff) /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */ reg |= TI113X_CCR_ZVENABLE; else reg &= ~TI113X_CCR_ZVENABLE; config_writeb(socket, TI113X_CARD_CONTROL, reg); } /* * The 145x series can also use this. They have an additional * ZV autodetect mode we don't use but don't actually need. * FIXME: manual says its in func0 and func1 but disagrees with * itself about this - do we need to force func0, if so we need * to know a lot more about socket pairings in pcmcia_socket than * we do now.. uggh. */ static void ti1250_zoom_video(struct pcmcia_socket *sock, int onoff) { struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); int shift = 0; u8 reg; ti_zoom_video(sock, onoff); reg = config_readb(socket, TI1250_MULTIMEDIA_CTL); reg |= TI1250_MMC_ZVOUTEN; /* ZV bus enable */ if(PCI_FUNC(socket->dev->devfn)==1) shift = 1; if(onoff) { reg &= ~(1<<6); /* Clear select bit */ reg |= shift<<6; /* Favour our socket */ reg |= 1<<shift; /* Socket zoom video on */ } else { reg &= ~(1<<6); /* Clear select bit */ reg |= (1^shift)<<6; /* Favour other socket */ reg &= ~(1<<shift); /* Socket zoon video off */ } config_writeb(socket, TI1250_MULTIMEDIA_CTL, reg); } static void ti_set_zv(struct yenta_socket *socket) { if(socket->dev->vendor == PCI_VENDOR_ID_TI) { switch(socket->dev->device) { /* There may be more .. */ case PCI_DEVICE_ID_TI_1220: case PCI_DEVICE_ID_TI_1221: case PCI_DEVICE_ID_TI_1225: case PCI_DEVICE_ID_TI_4510: socket->socket.zoom_video = ti_zoom_video; break; case PCI_DEVICE_ID_TI_1250: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: socket->socket.zoom_video = ti1250_zoom_video; } } } /* * Generic TI init - TI has an extension for the * INTCTL register that sets the PCI CSC interrupt. * Make sure we set it correctly at open and init * time * - override: disable the PCI CSC interrupt. This makes * it possible to use the CSC interrupt to probe the * ISA interrupts. * - init: set the interrupt to match our PCI state. * This makes us correctly get PCI CSC interrupt * events. */ static int ti_init(struct yenta_socket *socket) { u8 new, reg = exca_readb(socket, I365_INTCTL); new = reg & ~I365_INTR_ENA; if (socket->cb_irq) new |= I365_INTR_ENA; if (new != reg) exca_writeb(socket, I365_INTCTL, new); return 0; } static int ti_override(struct yenta_socket *socket) { u8 new, reg = exca_readb(socket, I365_INTCTL); new = reg & ~I365_INTR_ENA; if (new != reg) exca_writeb(socket, I365_INTCTL, new); ti_set_zv(socket); return 0; } static int ti113x_override(struct yenta_socket *socket) { u8 cardctl; cardctl = config_readb(socket, TI113X_CARD_CONTROL); cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC); if (socket->cb_irq) cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC | TI113X_CCR_PCI_IREQ; config_writeb(socket, TI113X_CARD_CONTROL, cardctl); return ti_override(socket); } /* irqrouting for func0, probes PCI interrupt and ISA interrupts */ static void ti12xx_irqroute_func0(struct yenta_socket *socket) { u32 mfunc, mfunc_old, devctl; u8 gpio3, gpio3_old; int pci_irq_status; mfunc = mfunc_old = config_readl(socket, TI122X_MFUNC); devctl = config_readb(socket, TI113X_DEVICE_CONTROL); printk(KERN_INFO "Yenta TI: socket %s, mfunc 0x%08x, devctl 0x%02x\n", pci_name(socket->dev), mfunc, devctl); /* make sure PCI interrupts are enabled before probing */ ti_init(socket); /* test PCI interrupts first. only try fixing if return value is 0! */ pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status) goto out; /* * We're here which means PCI interrupts are _not_ delivered. try to * find the right setting (all serial or parallel) */ printk(KERN_INFO "Yenta TI: socket %s probing PCI interrupt failed, trying to fix\n", pci_name(socket->dev)); /* for serial PCI make sure MFUNC3 is set to IRQSER */ if ((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) { switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1250: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: case PCI_DEVICE_ID_TI_1451A: case PCI_DEVICE_ID_TI_4450: case PCI_DEVICE_ID_TI_4451: /* these chips have no IRQSER setting in MFUNC3 */ break; default: mfunc = (mfunc & ~TI122X_MFUNC3_MASK) | TI122X_MFUNC3_IRQSER; /* write down if changed, probe */ if (mfunc != mfunc_old) { config_writel(socket, TI122X_MFUNC, mfunc); pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status == 1) { printk(KERN_INFO "Yenta TI: socket %s all-serial interrupts ok\n", pci_name(socket->dev)); mfunc_old = mfunc; goto out; } /* not working, back to old value */ mfunc = mfunc_old; config_writel(socket, TI122X_MFUNC, mfunc); if (pci_irq_status == -1) goto out; } } /* serial PCI interrupts not working fall back to parallel */ printk(KERN_INFO "Yenta TI: socket %s falling back to parallel PCI interrupts\n", pci_name(socket->dev)); devctl &= ~TI113X_DCR_IMODE_MASK; devctl |= TI113X_DCR_IMODE_SERIAL; /* serial ISA could be right */ config_writeb(socket, TI113X_DEVICE_CONTROL, devctl); } /* parallel PCI interrupts: route INTA */ switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1250: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: /* make sure GPIO3 is set to INTA */ gpio3 = gpio3_old = config_readb(socket, TI1250_GPIO3_CONTROL); gpio3 &= ~TI1250_GPIO_MODE_MASK; if (gpio3 != gpio3_old) config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3); break; default: gpio3 = gpio3_old = 0; mfunc = (mfunc & ~TI122X_MFUNC0_MASK) | TI122X_MFUNC0_INTA; if (mfunc != mfunc_old) config_writel(socket, TI122X_MFUNC, mfunc); } /* time to probe again */ pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status == 1) { mfunc_old = mfunc; printk(KERN_INFO "Yenta TI: socket %s parallel PCI interrupts ok\n", pci_name(socket->dev)); } else { /* not working, back to old value */ mfunc = mfunc_old; config_writel(socket, TI122X_MFUNC, mfunc); if (gpio3 != gpio3_old) config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3_old); } out: if (pci_irq_status < 1) { socket->cb_irq = 0; printk(KERN_INFO "Yenta TI: socket %s no PCI interrupts. Fish. Please report.\n", pci_name(socket->dev)); } } /* changes the irq of func1 to match that of func0 */ static int ti12xx_align_irqs(struct yenta_socket *socket, int *old_irq) { struct pci_dev *func0; /* find func0 device */ func0 = pci_get_slot(socket->dev->bus, socket->dev->devfn & ~0x07); if (!func0) return 0; if (old_irq) *old_irq = socket->cb_irq; socket->cb_irq = socket->dev->irq = func0->irq; pci_dev_put(func0); return 1; } /* * ties INTA and INTB together. also changes the devices irq to that of * the function 0 device. call from func1 only. * returns 1 if INTRTIE changed, 0 otherwise. */ static int ti12xx_tie_interrupts(struct yenta_socket *socket, int *old_irq) { u32 sysctl; int ret; sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); if (sysctl & TI122X_SCR_INTRTIE) return 0; /* align */ ret = ti12xx_align_irqs(socket, old_irq); if (!ret) return 0; /* tie */ sysctl |= TI122X_SCR_INTRTIE; config_writel(socket, TI113X_SYSTEM_CONTROL, sysctl); return 1; } /* undo what ti12xx_tie_interrupts() did */ static void ti12xx_untie_interrupts(struct yenta_socket *socket, int old_irq) { u32 sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); sysctl &= ~TI122X_SCR_INTRTIE; config_writel(socket, TI113X_SYSTEM_CONTROL, sysctl); socket->cb_irq = socket->dev->irq = old_irq; } /* * irqrouting for func1, plays with INTB routing * only touches MFUNC for INTB routing. all other bits are taken * care of in func0 already. */ static void ti12xx_irqroute_func1(struct yenta_socket *socket) { u32 mfunc, mfunc_old, devctl, sysctl; int pci_irq_status; mfunc = mfunc_old = config_readl(socket, TI122X_MFUNC); devctl = config_readb(socket, TI113X_DEVICE_CONTROL); printk(KERN_INFO "Yenta TI: socket %s, mfunc 0x%08x, devctl 0x%02x\n", pci_name(socket->dev), mfunc, devctl); /* if IRQs are configured as tied, align irq of func1 with func0 */ sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); if (sysctl & TI122X_SCR_INTRTIE) ti12xx_align_irqs(socket, NULL); /* make sure PCI interrupts are enabled before probing */ ti_init(socket); /* test PCI interrupts first. only try fixing if return value is 0! */ pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status) goto out; /* * We're here which means PCI interrupts are _not_ delivered. try to * find the right setting */ printk(KERN_INFO "Yenta TI: socket %s probing PCI interrupt failed, trying to fix\n", pci_name(socket->dev)); /* if all serial: set INTRTIE, probe again */ if ((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) { int old_irq; if (ti12xx_tie_interrupts(socket, &old_irq)) { pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status == 1) { printk(KERN_INFO "Yenta TI: socket %s all-serial interrupts, tied ok\n", pci_name(socket->dev)); goto out; } ti12xx_untie_interrupts(socket, old_irq); } } /* parallel PCI: route INTB, probe again */ else { int old_irq; switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1250: /* the 1250 has one pin for IRQSER/INTB depending on devctl */ break; case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: /* * those have a pin for IRQSER/INTB plus INTB in MFUNC0 * we alread probed the shared pin, now go for MFUNC0 */ mfunc = (mfunc & ~TI122X_MFUNC0_MASK) | TI125X_MFUNC0_INTB; break; default: mfunc = (mfunc & ~TI122X_MFUNC1_MASK) | TI122X_MFUNC1_INTB; break; } /* write, probe */ if (mfunc != mfunc_old) { config_writel(socket, TI122X_MFUNC, mfunc); pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status == 1) { printk(KERN_INFO "Yenta TI: socket %s parallel PCI interrupts ok\n", pci_name(socket->dev)); goto out; } mfunc = mfunc_old; config_writel(socket, TI122X_MFUNC, mfunc); if (pci_irq_status == -1) goto out; } /* still nothing: set INTRTIE */ if (ti12xx_tie_interrupts(socket, &old_irq)) { pci_irq_status = yenta_probe_cb_irq(socket); if (pci_irq_status == 1) { printk(KERN_INFO "Yenta TI: socket %s parallel PCI interrupts, tied ok\n", pci_name(socket->dev)); goto out; } ti12xx_untie_interrupts(socket, old_irq); } } out: if (pci_irq_status < 1) { socket->cb_irq = 0; printk(KERN_INFO "Yenta TI: socket %s no PCI interrupts. Fish. Please report.\n", pci_name(socket->dev)); } } /* Returns true value if the second slot of a two-slot controller is empty */ static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) { struct pci_dev *func; struct yenta_socket *slot2; int devfn; unsigned int state; int ret = 1; u32 sysctl; /* catch the two-slot controllers */ switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1220: case PCI_DEVICE_ID_TI_1221: case PCI_DEVICE_ID_TI_1225: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1420: case PCI_DEVICE_ID_TI_1450: case PCI_DEVICE_ID_TI_1451A: case PCI_DEVICE_ID_TI_1520: case PCI_DEVICE_ID_TI_1620: case PCI_DEVICE_ID_TI_4520: case PCI_DEVICE_ID_TI_4450: case PCI_DEVICE_ID_TI_4451: /* * there are way more, but they need to be added in yenta_socket.c * and pci_ids.h first anyway. */ break; case PCI_DEVICE_ID_TI_X515: case PCI_DEVICE_ID_TI_X420: case PCI_DEVICE_ID_TI_X620: case PCI_DEVICE_ID_TI_XX21_XX11: case PCI_DEVICE_ID_TI_7410: case PCI_DEVICE_ID_TI_7610: /* * those are either single or dual slot CB with additional functions * like 1394, smartcard reader, etc. check the TIEALL flag for them * the TIEALL flag binds the IRQ of all functions toghether. * we catch the single slot variants later. */ sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); if (sysctl & TIXX21_SCR_TIEALL) return 0; break; /* single-slot controllers have the 2nd slot empty always :) */ default: return 1; } /* get other slot */ devfn = socket->dev->devfn & ~0x07; func = pci_get_slot(socket->dev->bus, (socket->dev->devfn & 0x07) ? devfn : devfn | 0x01); if (!func) return 1; /* * check that the device id of both slots match. this is needed for the * XX21 and the XX11 controller that share the same device id for single * and dual slot controllers. return '2nd slot empty'. we already checked * if the interrupt is tied to another function. */ if (socket->dev->device != func->device) goto out; slot2 = pci_get_drvdata(func); if (!slot2) goto out; /* check state */ yenta_get_status(&socket->socket, &state); if (state & SS_DETECT) { ret = 0; goto out; } out: pci_dev_put(func); return ret; } /* * TI specifiy parts for the power hook. * * some TI's with some CB's produces interrupt storm on power on. it has been * seen with atheros wlan cards on TI1225 and TI1410. solution is simply to * disable any CB interrupts during this time. */ static int ti12xx_power_hook(struct pcmcia_socket *sock, int operation) { struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); u32 mfunc, devctl, sysctl; u8 gpio3; /* only POWER_PRE and POWER_POST are interesting */ if ((operation != HOOK_POWER_PRE) && (operation != HOOK_POWER_POST)) return 0; devctl = config_readb(socket, TI113X_DEVICE_CONTROL); sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); mfunc = config_readl(socket, TI122X_MFUNC); /* * all serial/tied: only disable when modparm set. always doing it * would mean a regression for working setups 'cos it disables the * interrupts for both both slots on 2-slot controllers * (and users of single slot controllers where it's save have to * live with setting the modparm, most don't have to anyway) */ if (((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) && (pwr_irqs_off || ti12xx_2nd_slot_empty(socket))) { switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1250: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: case PCI_DEVICE_ID_TI_1451A: case PCI_DEVICE_ID_TI_4450: case PCI_DEVICE_ID_TI_4451: /* these chips have no IRQSER setting in MFUNC3 */ break; default: if (operation == HOOK_POWER_PRE) mfunc = (mfunc & ~TI122X_MFUNC3_MASK); else mfunc = (mfunc & ~TI122X_MFUNC3_MASK) | TI122X_MFUNC3_IRQSER; } return 0; } /* do the job differently for func0/1 */ if ((PCI_FUNC(socket->dev->devfn) == 0) || ((sysctl & TI122X_SCR_INTRTIE) && (pwr_irqs_off || ti12xx_2nd_slot_empty(socket)))) { /* some bridges are different */ switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1250: case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: /* those oldies use gpio3 for INTA */ gpio3 = config_readb(socket, TI1250_GPIO3_CONTROL); if (operation == HOOK_POWER_PRE) gpio3 = (gpio3 & ~TI1250_GPIO_MODE_MASK) | 0x40; else gpio3 &= ~TI1250_GPIO_MODE_MASK; config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3); break; default: /* all new bridges are the same */ if (operation == HOOK_POWER_PRE) mfunc &= ~TI122X_MFUNC0_MASK; else mfunc |= TI122X_MFUNC0_INTA; config_writel(socket, TI122X_MFUNC, mfunc); } } else { switch (socket->dev->device) { case PCI_DEVICE_ID_TI_1251A: case PCI_DEVICE_ID_TI_1251B: case PCI_DEVICE_ID_TI_1450: /* those have INTA elsewhere and INTB in MFUNC0 */ if (operation == HOOK_POWER_PRE) mfunc &= ~TI122X_MFUNC0_MASK; else mfunc |= TI125X_MFUNC0_INTB; config_writel(socket, TI122X_MFUNC, mfunc); break; default: /* all new bridges are the same */ if (operation == HOOK_POWER_PRE) mfunc &= ~TI122X_MFUNC1_MASK; else mfunc |= TI122X_MFUNC1_INTB; config_writel(socket, TI122X_MFUNC, mfunc); } } return 0; } static int ti12xx_override(struct yenta_socket *socket) { u32 val, val_orig; /* make sure that memory burst is active */ val_orig = val = config_readl(socket, TI113X_SYSTEM_CONTROL); if (disable_clkrun && PCI_FUNC(socket->dev->devfn) == 0) { printk(KERN_INFO "Yenta: Disabling CLKRUN feature\n"); val |= TI113X_SCR_KEEPCLK; } if (!(val & TI122X_SCR_MRBURSTUP)) { printk(KERN_INFO "Yenta: Enabling burst memory read transactions\n"); val |= TI122X_SCR_MRBURSTUP; } if (val_orig != val) config_writel(socket, TI113X_SYSTEM_CONTROL, val); /* * Yenta expects controllers to use CSCINT to route * CSC interrupts to PCI rather than INTVAL. */ val = config_readb(socket, TI1250_DIAGNOSTIC); printk(KERN_INFO "Yenta: Using %s to route CSC interrupts to PCI\n", (val & TI1250_DIAG_PCI_CSC) ? "CSCINT" : "INTVAL"); printk(KERN_INFO "Yenta: Routing CardBus interrupts to %s\n", (val & TI1250_DIAG_PCI_IREQ) ? "PCI" : "ISA"); /* do irqrouting, depending on function */ if (PCI_FUNC(socket->dev->devfn) == 0) ti12xx_irqroute_func0(socket); else ti12xx_irqroute_func1(socket); /* install power hook */ socket->socket.power_hook = ti12xx_power_hook; return ti_override(socket); } static int ti1250_override(struct yenta_socket *socket) { u8 old, diag; old = config_readb(socket, TI1250_DIAGNOSTIC); diag = old & ~(TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ); if (socket->cb_irq) diag |= TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ; if (diag != old) { printk(KERN_INFO "Yenta: adjusting diagnostic: %02x -> %02x\n", old, diag); config_writeb(socket, TI1250_DIAGNOSTIC, diag); } return ti12xx_override(socket); } /** * EnE specific part. EnE bridges are register compatible with TI bridges but * have their own test registers and more important their own little problems. * Some fixup code to make everybody happy (TM). */ #ifdef CONFIG_YENTA_ENE_TUNE /** * set/clear various test bits: * Defaults to clear the bit. * - mask (u8) defines what bits to change * - bits (u8) is the values to change them to * -> it's * current = (current & ~mask) | bits */ /* pci ids of devices that wants to have the bit set */ #define DEVID(_vend,_dev,_subvend,_subdev,mask,bits) { \ .vendor = _vend, \ .device = _dev, \ .subvendor = _subvend, \ .subdevice = _subdev, \ .driver_data = ((mask) << 8 | (bits)), \ } static struct pci_device_id ene_tune_tbl[] = { /* Echo Audio products based on motorola DSP56301 and DSP56361 */ DEVID(PCI_VENDOR_ID_MOTOROLA, 0x1801, 0xECC0, PCI_ANY_ID, ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), DEVID(PCI_VENDOR_ID_MOTOROLA, 0x3410, 0xECC0, PCI_ANY_ID, ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), {} }; static void ene_tune_bridge(struct pcmcia_socket *sock, struct pci_bus *bus) { struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); struct pci_dev *dev; struct pci_device_id *id = NULL; u8 test_c9, old_c9, mask, bits; list_for_each_entry(dev, &bus->devices, bus_list) { id = (struct pci_device_id *) pci_match_id(ene_tune_tbl, dev); if (id) break; } test_c9 = old_c9 = config_readb(socket, ENE_TEST_C9); if (id) { mask = (id->driver_data >> 8) & 0xFF; bits = id->driver_data & 0xFF; test_c9 = (test_c9 & ~mask) | bits; } else /* default to clear TLTEnable bit, old behaviour */ test_c9 &= ~ENE_TEST_C9_TLTENABLE; printk(KERN_INFO "yenta EnE: chaning testregister 0xC9, %02x -> %02x\n", old_c9, test_c9); config_writeb(socket, ENE_TEST_C9, test_c9); } static int ene_override(struct yenta_socket *socket) { /* install tune_bridge() function */ socket->socket.tune_bridge = ene_tune_bridge; return ti1250_override(socket); } #else # define ene_override ti1250_override #endif /* !CONFIG_YENTA_ENE_TUNE */ #endif /* _LINUX_TI113X_H */