11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * ti113x.h 1.16 1999/10/25 20:03:34 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * The contents of this file are subject to the Mozilla Public License 51da177e4SLinus Torvalds * Version 1.1 (the "License"); you may not use this file except in 61da177e4SLinus Torvalds * compliance with the License. You may obtain a copy of the License 71da177e4SLinus Torvalds * at http://www.mozilla.org/MPL/ 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * Software distributed under the License is distributed on an "AS IS" 101da177e4SLinus Torvalds * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 111da177e4SLinus Torvalds * the License for the specific language governing rights and 121da177e4SLinus Torvalds * limitations under the License. 131da177e4SLinus Torvalds * 141da177e4SLinus Torvalds * The initial developer of the original code is David A. Hinds 151da177e4SLinus Torvalds * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 161da177e4SLinus Torvalds * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 171da177e4SLinus Torvalds * 181da177e4SLinus Torvalds * Alternatively, the contents of this file may be used under the 191da177e4SLinus Torvalds * terms of the GNU General Public License version 2 (the "GPL"), in which 201da177e4SLinus Torvalds * case the provisions of the GPL are applicable instead of the 211da177e4SLinus Torvalds * above. If you wish to allow the use of your version of this file 221da177e4SLinus Torvalds * only under the terms of the GPL and not to allow others to use 231da177e4SLinus Torvalds * your version of this file under the MPL, indicate your decision by 241da177e4SLinus Torvalds * deleting the provisions above and replace them with the notice and 251da177e4SLinus Torvalds * other provisions required by the GPL. If you do not delete the 261da177e4SLinus Torvalds * provisions above, a recipient may use your version of this file 271da177e4SLinus Torvalds * under either the MPL or the GPL. 281da177e4SLinus Torvalds */ 291da177e4SLinus Torvalds 301da177e4SLinus Torvalds #ifndef _LINUX_TI113X_H 311da177e4SLinus Torvalds #define _LINUX_TI113X_H 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds 341da177e4SLinus Torvalds /* Register definitions for TI 113X PCI-to-CardBus bridges */ 351da177e4SLinus Torvalds 361da177e4SLinus Torvalds /* System Control Register */ 371da177e4SLinus Torvalds #define TI113X_SYSTEM_CONTROL 0x0080 /* 32 bit */ 381da177e4SLinus Torvalds #define TI113X_SCR_SMIROUTE 0x04000000 391da177e4SLinus Torvalds #define TI113X_SCR_SMISTATUS 0x02000000 401da177e4SLinus Torvalds #define TI113X_SCR_SMIENB 0x01000000 411da177e4SLinus Torvalds #define TI113X_SCR_VCCPROT 0x00200000 421da177e4SLinus Torvalds #define TI113X_SCR_REDUCEZV 0x00100000 431da177e4SLinus Torvalds #define TI113X_SCR_CDREQEN 0x00080000 441da177e4SLinus Torvalds #define TI113X_SCR_CDMACHAN 0x00070000 451da177e4SLinus Torvalds #define TI113X_SCR_SOCACTIVE 0x00002000 461da177e4SLinus Torvalds #define TI113X_SCR_PWRSTREAM 0x00000800 471da177e4SLinus Torvalds #define TI113X_SCR_DELAYUP 0x00000400 481da177e4SLinus Torvalds #define TI113X_SCR_DELAYDOWN 0x00000200 491da177e4SLinus Torvalds #define TI113X_SCR_INTERROGATE 0x00000100 501da177e4SLinus Torvalds #define TI113X_SCR_CLKRUN_SEL 0x00000080 511da177e4SLinus Torvalds #define TI113X_SCR_PWRSAVINGS 0x00000040 521da177e4SLinus Torvalds #define TI113X_SCR_SUBSYSRW 0x00000020 531da177e4SLinus Torvalds #define TI113X_SCR_CB_DPAR 0x00000010 541da177e4SLinus Torvalds #define TI113X_SCR_CDMA_EN 0x00000008 551da177e4SLinus Torvalds #define TI113X_SCR_ASYNC_IRQ 0x00000004 561da177e4SLinus Torvalds #define TI113X_SCR_KEEPCLK 0x00000002 571da177e4SLinus Torvalds #define TI113X_SCR_CLKRUN_ENA 0x00000001 581da177e4SLinus Torvalds 591da177e4SLinus Torvalds #define TI122X_SCR_SER_STEP 0xc0000000 601da177e4SLinus Torvalds #define TI122X_SCR_INTRTIE 0x20000000 616c1a10dbSDaniel Ritz #define TIXX21_SCR_TIEALL 0x10000000 621da177e4SLinus Torvalds #define TI122X_SCR_CBRSVD 0x00400000 631da177e4SLinus Torvalds #define TI122X_SCR_MRBURSTDN 0x00008000 641da177e4SLinus Torvalds #define TI122X_SCR_MRBURSTUP 0x00004000 651da177e4SLinus Torvalds #define TI122X_SCR_RIMUX 0x00000001 661da177e4SLinus Torvalds 671da177e4SLinus Torvalds /* Multimedia Control Register */ 681da177e4SLinus Torvalds #define TI1250_MULTIMEDIA_CTL 0x0084 /* 8 bit */ 691da177e4SLinus Torvalds #define TI1250_MMC_ZVOUTEN 0x80 701da177e4SLinus Torvalds #define TI1250_MMC_PORTSEL 0x40 711da177e4SLinus Torvalds #define TI1250_MMC_ZVEN1 0x02 721da177e4SLinus Torvalds #define TI1250_MMC_ZVEN0 0x01 731da177e4SLinus Torvalds 741da177e4SLinus Torvalds #define TI1250_GENERAL_STATUS 0x0085 /* 8 bit */ 751da177e4SLinus Torvalds #define TI1250_GPIO0_CONTROL 0x0088 /* 8 bit */ 761da177e4SLinus Torvalds #define TI1250_GPIO1_CONTROL 0x0089 /* 8 bit */ 771da177e4SLinus Torvalds #define TI1250_GPIO2_CONTROL 0x008a /* 8 bit */ 781da177e4SLinus Torvalds #define TI1250_GPIO3_CONTROL 0x008b /* 8 bit */ 791da177e4SLinus Torvalds #define TI1250_GPIO_MODE_MASK 0xc0 801da177e4SLinus Torvalds 811da177e4SLinus Torvalds /* IRQMUX/MFUNC Register */ 821da177e4SLinus Torvalds #define TI122X_MFUNC 0x008c /* 32 bit */ 831da177e4SLinus Torvalds #define TI122X_MFUNC0_MASK 0x0000000f 841da177e4SLinus Torvalds #define TI122X_MFUNC1_MASK 0x000000f0 851da177e4SLinus Torvalds #define TI122X_MFUNC2_MASK 0x00000f00 861da177e4SLinus Torvalds #define TI122X_MFUNC3_MASK 0x0000f000 871da177e4SLinus Torvalds #define TI122X_MFUNC4_MASK 0x000f0000 881da177e4SLinus Torvalds #define TI122X_MFUNC5_MASK 0x00f00000 891da177e4SLinus Torvalds #define TI122X_MFUNC6_MASK 0x0f000000 901da177e4SLinus Torvalds 911da177e4SLinus Torvalds #define TI122X_MFUNC0_INTA 0x00000002 921da177e4SLinus Torvalds #define TI125X_MFUNC0_INTB 0x00000001 931da177e4SLinus Torvalds #define TI122X_MFUNC1_INTB 0x00000020 941da177e4SLinus Torvalds #define TI122X_MFUNC3_IRQSER 0x00001000 951da177e4SLinus Torvalds 961da177e4SLinus Torvalds 971da177e4SLinus Torvalds /* Retry Status Register */ 981da177e4SLinus Torvalds #define TI113X_RETRY_STATUS 0x0090 /* 8 bit */ 991da177e4SLinus Torvalds #define TI113X_RSR_PCIRETRY 0x80 1001da177e4SLinus Torvalds #define TI113X_RSR_CBRETRY 0x40 1011da177e4SLinus Torvalds #define TI113X_RSR_TEXP_CBB 0x20 1021da177e4SLinus Torvalds #define TI113X_RSR_MEXP_CBB 0x10 1031da177e4SLinus Torvalds #define TI113X_RSR_TEXP_CBA 0x08 1041da177e4SLinus Torvalds #define TI113X_RSR_MEXP_CBA 0x04 1051da177e4SLinus Torvalds #define TI113X_RSR_TEXP_PCI 0x02 1061da177e4SLinus Torvalds #define TI113X_RSR_MEXP_PCI 0x01 1071da177e4SLinus Torvalds 1081da177e4SLinus Torvalds /* Card Control Register */ 1091da177e4SLinus Torvalds #define TI113X_CARD_CONTROL 0x0091 /* 8 bit */ 1101da177e4SLinus Torvalds #define TI113X_CCR_RIENB 0x80 1111da177e4SLinus Torvalds #define TI113X_CCR_ZVENABLE 0x40 1121da177e4SLinus Torvalds #define TI113X_CCR_PCI_IRQ_ENA 0x20 1131da177e4SLinus Torvalds #define TI113X_CCR_PCI_IREQ 0x10 1141da177e4SLinus Torvalds #define TI113X_CCR_PCI_CSC 0x08 1151da177e4SLinus Torvalds #define TI113X_CCR_SPKROUTEN 0x02 1161da177e4SLinus Torvalds #define TI113X_CCR_IFG 0x01 1171da177e4SLinus Torvalds 1181da177e4SLinus Torvalds #define TI1220_CCR_PORT_SEL 0x20 1191da177e4SLinus Torvalds #define TI122X_CCR_AUD2MUX 0x04 1201da177e4SLinus Torvalds 1211da177e4SLinus Torvalds /* Device Control Register */ 1221da177e4SLinus Torvalds #define TI113X_DEVICE_CONTROL 0x0092 /* 8 bit */ 1231da177e4SLinus Torvalds #define TI113X_DCR_5V_FORCE 0x40 1241da177e4SLinus Torvalds #define TI113X_DCR_3V_FORCE 0x20 1251da177e4SLinus Torvalds #define TI113X_DCR_IMODE_MASK 0x06 1261da177e4SLinus Torvalds #define TI113X_DCR_IMODE_ISA 0x02 1271da177e4SLinus Torvalds #define TI113X_DCR_IMODE_SERIAL 0x04 1281da177e4SLinus Torvalds 1291da177e4SLinus Torvalds #define TI12XX_DCR_IMODE_PCI_ONLY 0x00 1301da177e4SLinus Torvalds #define TI12XX_DCR_IMODE_ALL_SERIAL 0x06 1311da177e4SLinus Torvalds 1321da177e4SLinus Torvalds /* Buffer Control Register */ 1331da177e4SLinus Torvalds #define TI113X_BUFFER_CONTROL 0x0093 /* 8 bit */ 1341da177e4SLinus Torvalds #define TI113X_BCR_CB_READ_DEPTH 0x08 1351da177e4SLinus Torvalds #define TI113X_BCR_CB_WRITE_DEPTH 0x04 1361da177e4SLinus Torvalds #define TI113X_BCR_PCI_READ_DEPTH 0x02 1371da177e4SLinus Torvalds #define TI113X_BCR_PCI_WRITE_DEPTH 0x01 1381da177e4SLinus Torvalds 1391da177e4SLinus Torvalds /* Diagnostic Register */ 1401da177e4SLinus Torvalds #define TI1250_DIAGNOSTIC 0x0093 /* 8 bit */ 1411da177e4SLinus Torvalds #define TI1250_DIAG_TRUE_VALUE 0x80 1421da177e4SLinus Torvalds #define TI1250_DIAG_PCI_IREQ 0x40 1431da177e4SLinus Torvalds #define TI1250_DIAG_PCI_CSC 0x20 1441da177e4SLinus Torvalds #define TI1250_DIAG_ASYNC_CSC 0x01 1451da177e4SLinus Torvalds 1461da177e4SLinus Torvalds /* DMA Registers */ 1471da177e4SLinus Torvalds #define TI113X_DMA_0 0x0094 /* 32 bit */ 1481da177e4SLinus Torvalds #define TI113X_DMA_1 0x0098 /* 32 bit */ 1491da177e4SLinus Torvalds 1501da177e4SLinus Torvalds /* ExCA IO offset registers */ 1511da177e4SLinus Torvalds #define TI113X_IO_OFFSET(map) (0x36+((map)<<1)) 1521da177e4SLinus Torvalds 1531da177e4SLinus Torvalds /* EnE test register */ 1541da177e4SLinus Torvalds #define ENE_TEST_C9 0xc9 /* 8bit */ 1551da177e4SLinus Torvalds #define ENE_TEST_C9_TLTENABLE 0x02 1568c3520d4SDaniel Ritz #define ENE_TEST_C9_PFENABLE_F0 0x04 1578c3520d4SDaniel Ritz #define ENE_TEST_C9_PFENABLE_F1 0x08 15814540c6dSRoel Kluin #define ENE_TEST_C9_PFENABLE (ENE_TEST_C9_PFENABLE_F0 | ENE_TEST_C9_PFENABLE_F1) 1598c3520d4SDaniel Ritz #define ENE_TEST_C9_WPDISALBLE_F0 0x40 1608c3520d4SDaniel Ritz #define ENE_TEST_C9_WPDISALBLE_F1 0x80 1618c3520d4SDaniel Ritz #define ENE_TEST_C9_WPDISALBLE (ENE_TEST_C9_WPDISALBLE_F0 | ENE_TEST_C9_WPDISALBLE_F1) 1621da177e4SLinus Torvalds 1631da177e4SLinus Torvalds /* 1641da177e4SLinus Torvalds * Texas Instruments CardBus controller overrides. 1651da177e4SLinus Torvalds */ 1661da177e4SLinus Torvalds #define ti_sysctl(socket) ((socket)->private[0]) 1671da177e4SLinus Torvalds #define ti_cardctl(socket) ((socket)->private[1]) 1681da177e4SLinus Torvalds #define ti_devctl(socket) ((socket)->private[2]) 1691da177e4SLinus Torvalds #define ti_diag(socket) ((socket)->private[3]) 1701da177e4SLinus Torvalds #define ti_mfunc(socket) ((socket)->private[4]) 1711da177e4SLinus Torvalds #define ene_test_c9(socket) ((socket)->private[5]) 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds /* 1741da177e4SLinus Torvalds * These are the TI specific power management handlers. 1751da177e4SLinus Torvalds */ 1761da177e4SLinus Torvalds static void ti_save_state(struct yenta_socket *socket) 1771da177e4SLinus Torvalds { 1781da177e4SLinus Torvalds ti_sysctl(socket) = config_readl(socket, TI113X_SYSTEM_CONTROL); 1791da177e4SLinus Torvalds ti_mfunc(socket) = config_readl(socket, TI122X_MFUNC); 1801da177e4SLinus Torvalds ti_cardctl(socket) = config_readb(socket, TI113X_CARD_CONTROL); 1811da177e4SLinus Torvalds ti_devctl(socket) = config_readb(socket, TI113X_DEVICE_CONTROL); 1821da177e4SLinus Torvalds ti_diag(socket) = config_readb(socket, TI1250_DIAGNOSTIC); 1831da177e4SLinus Torvalds 1841da177e4SLinus Torvalds if (socket->dev->vendor == PCI_VENDOR_ID_ENE) 1851da177e4SLinus Torvalds ene_test_c9(socket) = config_readb(socket, ENE_TEST_C9); 1861da177e4SLinus Torvalds } 1871da177e4SLinus Torvalds 1881da177e4SLinus Torvalds static void ti_restore_state(struct yenta_socket *socket) 1891da177e4SLinus Torvalds { 1901da177e4SLinus Torvalds config_writel(socket, TI113X_SYSTEM_CONTROL, ti_sysctl(socket)); 1911da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, ti_mfunc(socket)); 1921da177e4SLinus Torvalds config_writeb(socket, TI113X_CARD_CONTROL, ti_cardctl(socket)); 1931da177e4SLinus Torvalds config_writeb(socket, TI113X_DEVICE_CONTROL, ti_devctl(socket)); 1941da177e4SLinus Torvalds config_writeb(socket, TI1250_DIAGNOSTIC, ti_diag(socket)); 1951da177e4SLinus Torvalds 1961da177e4SLinus Torvalds if (socket->dev->vendor == PCI_VENDOR_ID_ENE) 1971da177e4SLinus Torvalds config_writeb(socket, ENE_TEST_C9, ene_test_c9(socket)); 1981da177e4SLinus Torvalds } 1991da177e4SLinus Torvalds 2001da177e4SLinus Torvalds /* 2011da177e4SLinus Torvalds * Zoom video control for TI122x/113x chips 2021da177e4SLinus Torvalds */ 2031da177e4SLinus Torvalds 2041da177e4SLinus Torvalds static void ti_zoom_video(struct pcmcia_socket *sock, int onoff) 2051da177e4SLinus Torvalds { 2061da177e4SLinus Torvalds u8 reg; 2071da177e4SLinus Torvalds struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 2081da177e4SLinus Torvalds 2091da177e4SLinus Torvalds /* If we don't have a Zoom Video switch this is harmless, 2101da177e4SLinus Torvalds we just tristate the unused (ZV) lines */ 2111da177e4SLinus Torvalds reg = config_readb(socket, TI113X_CARD_CONTROL); 2121da177e4SLinus Torvalds if (onoff) 2131da177e4SLinus Torvalds /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */ 2141da177e4SLinus Torvalds reg |= TI113X_CCR_ZVENABLE; 2151da177e4SLinus Torvalds else 2161da177e4SLinus Torvalds reg &= ~TI113X_CCR_ZVENABLE; 2171da177e4SLinus Torvalds config_writeb(socket, TI113X_CARD_CONTROL, reg); 2181da177e4SLinus Torvalds } 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds /* 2211da177e4SLinus Torvalds * The 145x series can also use this. They have an additional 2221da177e4SLinus Torvalds * ZV autodetect mode we don't use but don't actually need. 2231da177e4SLinus Torvalds * FIXME: manual says its in func0 and func1 but disagrees with 2241da177e4SLinus Torvalds * itself about this - do we need to force func0, if so we need 2251da177e4SLinus Torvalds * to know a lot more about socket pairings in pcmcia_socket than 2261da177e4SLinus Torvalds * we do now.. uggh. 2271da177e4SLinus Torvalds */ 2281da177e4SLinus Torvalds 2291da177e4SLinus Torvalds static void ti1250_zoom_video(struct pcmcia_socket *sock, int onoff) 2301da177e4SLinus Torvalds { 2311da177e4SLinus Torvalds struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 2321da177e4SLinus Torvalds int shift = 0; 2331da177e4SLinus Torvalds u8 reg; 2341da177e4SLinus Torvalds 2351da177e4SLinus Torvalds ti_zoom_video(sock, onoff); 2361da177e4SLinus Torvalds 2371da177e4SLinus Torvalds reg = config_readb(socket, TI1250_MULTIMEDIA_CTL); 2381da177e4SLinus Torvalds reg |= TI1250_MMC_ZVOUTEN; /* ZV bus enable */ 2391da177e4SLinus Torvalds 2401da177e4SLinus Torvalds if(PCI_FUNC(socket->dev->devfn)==1) 2411da177e4SLinus Torvalds shift = 1; 2421da177e4SLinus Torvalds 2431da177e4SLinus Torvalds if(onoff) 2441da177e4SLinus Torvalds { 2451da177e4SLinus Torvalds reg &= ~(1<<6); /* Clear select bit */ 2461da177e4SLinus Torvalds reg |= shift<<6; /* Favour our socket */ 2471da177e4SLinus Torvalds reg |= 1<<shift; /* Socket zoom video on */ 2481da177e4SLinus Torvalds } 2491da177e4SLinus Torvalds else 2501da177e4SLinus Torvalds { 2511da177e4SLinus Torvalds reg &= ~(1<<6); /* Clear select bit */ 2521da177e4SLinus Torvalds reg |= (1^shift)<<6; /* Favour other socket */ 2531da177e4SLinus Torvalds reg &= ~(1<<shift); /* Socket zoon video off */ 2541da177e4SLinus Torvalds } 2551da177e4SLinus Torvalds 2561da177e4SLinus Torvalds config_writeb(socket, TI1250_MULTIMEDIA_CTL, reg); 2571da177e4SLinus Torvalds } 2581da177e4SLinus Torvalds 2591da177e4SLinus Torvalds static void ti_set_zv(struct yenta_socket *socket) 2601da177e4SLinus Torvalds { 2611da177e4SLinus Torvalds if(socket->dev->vendor == PCI_VENDOR_ID_TI) 2621da177e4SLinus Torvalds { 2631da177e4SLinus Torvalds switch(socket->dev->device) 2641da177e4SLinus Torvalds { 2651da177e4SLinus Torvalds /* There may be more .. */ 2661da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1220: 2671da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1221: 2681da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1225: 2691da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_4510: 2701da177e4SLinus Torvalds socket->socket.zoom_video = ti_zoom_video; 2711da177e4SLinus Torvalds break; 2721da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1250: 2731da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251A: 2741da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251B: 2751da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1450: 2761da177e4SLinus Torvalds socket->socket.zoom_video = ti1250_zoom_video; 2771da177e4SLinus Torvalds } 2781da177e4SLinus Torvalds } 2791da177e4SLinus Torvalds } 2801da177e4SLinus Torvalds 2811da177e4SLinus Torvalds 2821da177e4SLinus Torvalds /* 2831da177e4SLinus Torvalds * Generic TI init - TI has an extension for the 2841da177e4SLinus Torvalds * INTCTL register that sets the PCI CSC interrupt. 2851da177e4SLinus Torvalds * Make sure we set it correctly at open and init 2861da177e4SLinus Torvalds * time 2871da177e4SLinus Torvalds * - override: disable the PCI CSC interrupt. This makes 2881da177e4SLinus Torvalds * it possible to use the CSC interrupt to probe the 2891da177e4SLinus Torvalds * ISA interrupts. 2901da177e4SLinus Torvalds * - init: set the interrupt to match our PCI state. 2911da177e4SLinus Torvalds * This makes us correctly get PCI CSC interrupt 2921da177e4SLinus Torvalds * events. 2931da177e4SLinus Torvalds */ 2941da177e4SLinus Torvalds static int ti_init(struct yenta_socket *socket) 2951da177e4SLinus Torvalds { 2961da177e4SLinus Torvalds u8 new, reg = exca_readb(socket, I365_INTCTL); 2971da177e4SLinus Torvalds 2981da177e4SLinus Torvalds new = reg & ~I365_INTR_ENA; 2990d3a940dSJens Künzer if (socket->dev->irq) 3001da177e4SLinus Torvalds new |= I365_INTR_ENA; 3011da177e4SLinus Torvalds if (new != reg) 3021da177e4SLinus Torvalds exca_writeb(socket, I365_INTCTL, new); 3031da177e4SLinus Torvalds return 0; 3041da177e4SLinus Torvalds } 3051da177e4SLinus Torvalds 3061da177e4SLinus Torvalds static int ti_override(struct yenta_socket *socket) 3071da177e4SLinus Torvalds { 3081da177e4SLinus Torvalds u8 new, reg = exca_readb(socket, I365_INTCTL); 3091da177e4SLinus Torvalds 3101da177e4SLinus Torvalds new = reg & ~I365_INTR_ENA; 3111da177e4SLinus Torvalds if (new != reg) 3121da177e4SLinus Torvalds exca_writeb(socket, I365_INTCTL, new); 3131da177e4SLinus Torvalds 3141da177e4SLinus Torvalds ti_set_zv(socket); 3151da177e4SLinus Torvalds 3161da177e4SLinus Torvalds return 0; 3171da177e4SLinus Torvalds } 3181da177e4SLinus Torvalds 3190d3a940dSJens Künzer static void ti113x_use_isa_irq(struct yenta_socket *socket) 3200d3a940dSJens Künzer { 3210d3a940dSJens Künzer int isa_irq = -1; 3220d3a940dSJens Künzer u8 intctl; 3230d3a940dSJens Künzer u32 isa_irq_mask = 0; 3240d3a940dSJens Künzer 3250d3a940dSJens Künzer if (!isa_probe) 3260d3a940dSJens Künzer return; 3270d3a940dSJens Künzer 3280d3a940dSJens Künzer /* get a free isa int */ 3290d3a940dSJens Künzer isa_irq_mask = yenta_probe_irq(socket, isa_interrupts); 3300d3a940dSJens Künzer if (!isa_irq_mask) 3310d3a940dSJens Künzer return; /* no useable isa irq found */ 3320d3a940dSJens Künzer 3330d3a940dSJens Künzer /* choose highest available */ 3340d3a940dSJens Künzer for (; isa_irq_mask; isa_irq++) 3350d3a940dSJens Künzer isa_irq_mask >>= 1; 3360d3a940dSJens Künzer socket->cb_irq = isa_irq; 3370d3a940dSJens Künzer 3380d3a940dSJens Künzer exca_writeb(socket, I365_CSCINT, (isa_irq << 4)); 3390d3a940dSJens Künzer 3400d3a940dSJens Künzer intctl = exca_readb(socket, I365_INTCTL); 3410d3a940dSJens Künzer intctl &= ~(I365_INTR_ENA | I365_IRQ_MASK); /* CSC Enable */ 3420d3a940dSJens Künzer exca_writeb(socket, I365_INTCTL, intctl); 3430d3a940dSJens Künzer 3440d3a940dSJens Künzer dev_info(&socket->dev->dev, 3450d3a940dSJens Künzer "Yenta TI113x: using isa irq %d for CardBus\n", isa_irq); 3460d3a940dSJens Künzer } 3470d3a940dSJens Künzer 3480d3a940dSJens Künzer 3491da177e4SLinus Torvalds static int ti113x_override(struct yenta_socket *socket) 3501da177e4SLinus Torvalds { 3511da177e4SLinus Torvalds u8 cardctl; 3521da177e4SLinus Torvalds 3531da177e4SLinus Torvalds cardctl = config_readb(socket, TI113X_CARD_CONTROL); 3541da177e4SLinus Torvalds cardctl &= ~(TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_IREQ | TI113X_CCR_PCI_CSC); 3550d3a940dSJens Künzer if (socket->dev->irq) 3561da177e4SLinus Torvalds cardctl |= TI113X_CCR_PCI_IRQ_ENA | TI113X_CCR_PCI_CSC | TI113X_CCR_PCI_IREQ; 3570d3a940dSJens Künzer else 3580d3a940dSJens Künzer ti113x_use_isa_irq(socket); 3590d3a940dSJens Künzer 3601da177e4SLinus Torvalds config_writeb(socket, TI113X_CARD_CONTROL, cardctl); 3611da177e4SLinus Torvalds 3621da177e4SLinus Torvalds return ti_override(socket); 3631da177e4SLinus Torvalds } 3641da177e4SLinus Torvalds 3651da177e4SLinus Torvalds 3661da177e4SLinus Torvalds /* irqrouting for func0, probes PCI interrupt and ISA interrupts */ 3671da177e4SLinus Torvalds static void ti12xx_irqroute_func0(struct yenta_socket *socket) 3681da177e4SLinus Torvalds { 3691da177e4SLinus Torvalds u32 mfunc, mfunc_old, devctl; 3701da177e4SLinus Torvalds u8 gpio3, gpio3_old; 3711da177e4SLinus Torvalds int pci_irq_status; 3721da177e4SLinus Torvalds 3731da177e4SLinus Torvalds mfunc = mfunc_old = config_readl(socket, TI122X_MFUNC); 3741da177e4SLinus Torvalds devctl = config_readb(socket, TI113X_DEVICE_CONTROL); 375dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 376dd797d81SDominik Brodowski "TI: mfunc 0x%08x, devctl 0x%02x\n", mfunc, devctl); 3771da177e4SLinus Torvalds 3781da177e4SLinus Torvalds /* make sure PCI interrupts are enabled before probing */ 3791da177e4SLinus Torvalds ti_init(socket); 3801da177e4SLinus Torvalds 3811da177e4SLinus Torvalds /* test PCI interrupts first. only try fixing if return value is 0! */ 3821da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 3831da177e4SLinus Torvalds if (pci_irq_status) 3841da177e4SLinus Torvalds goto out; 3851da177e4SLinus Torvalds 3861da177e4SLinus Torvalds /* 3871da177e4SLinus Torvalds * We're here which means PCI interrupts are _not_ delivered. try to 3881da177e4SLinus Torvalds * find the right setting (all serial or parallel) 3891da177e4SLinus Torvalds */ 390dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 391dd797d81SDominik Brodowski "TI: probing PCI interrupt failed, trying to fix\n"); 3921da177e4SLinus Torvalds 3931da177e4SLinus Torvalds /* for serial PCI make sure MFUNC3 is set to IRQSER */ 3941da177e4SLinus Torvalds if ((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) { 3951da177e4SLinus Torvalds switch (socket->dev->device) { 3961da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1250: 3971da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251A: 3981da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251B: 3991da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1450: 4001da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1451A: 4011da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_4450: 4021da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_4451: 4031da177e4SLinus Torvalds /* these chips have no IRQSER setting in MFUNC3 */ 4041da177e4SLinus Torvalds break; 4051da177e4SLinus Torvalds 4061da177e4SLinus Torvalds default: 4071da177e4SLinus Torvalds mfunc = (mfunc & ~TI122X_MFUNC3_MASK) | TI122X_MFUNC3_IRQSER; 4081da177e4SLinus Torvalds 4091da177e4SLinus Torvalds /* write down if changed, probe */ 4101da177e4SLinus Torvalds if (mfunc != mfunc_old) { 4111da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 4121da177e4SLinus Torvalds 4131da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 4141da177e4SLinus Torvalds if (pci_irq_status == 1) { 415dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 416dd797d81SDominik Brodowski "TI: all-serial interrupts ok\n"); 4171da177e4SLinus Torvalds mfunc_old = mfunc; 4181da177e4SLinus Torvalds goto out; 4191da177e4SLinus Torvalds } 4201da177e4SLinus Torvalds 4211da177e4SLinus Torvalds /* not working, back to old value */ 4221da177e4SLinus Torvalds mfunc = mfunc_old; 4231da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 4241da177e4SLinus Torvalds 4251da177e4SLinus Torvalds if (pci_irq_status == -1) 4261da177e4SLinus Torvalds goto out; 4271da177e4SLinus Torvalds } 4281da177e4SLinus Torvalds } 4291da177e4SLinus Torvalds 4301da177e4SLinus Torvalds /* serial PCI interrupts not working fall back to parallel */ 431dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 432dd797d81SDominik Brodowski "TI: falling back to parallel PCI interrupts\n"); 4331da177e4SLinus Torvalds devctl &= ~TI113X_DCR_IMODE_MASK; 4341da177e4SLinus Torvalds devctl |= TI113X_DCR_IMODE_SERIAL; /* serial ISA could be right */ 4351da177e4SLinus Torvalds config_writeb(socket, TI113X_DEVICE_CONTROL, devctl); 4361da177e4SLinus Torvalds } 4371da177e4SLinus Torvalds 4381da177e4SLinus Torvalds /* parallel PCI interrupts: route INTA */ 4391da177e4SLinus Torvalds switch (socket->dev->device) { 4401da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1250: 4411da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251A: 4421da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251B: 4431da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1450: 4441da177e4SLinus Torvalds /* make sure GPIO3 is set to INTA */ 4451da177e4SLinus Torvalds gpio3 = gpio3_old = config_readb(socket, TI1250_GPIO3_CONTROL); 4461da177e4SLinus Torvalds gpio3 &= ~TI1250_GPIO_MODE_MASK; 4471da177e4SLinus Torvalds if (gpio3 != gpio3_old) 4481da177e4SLinus Torvalds config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3); 4491da177e4SLinus Torvalds break; 4501da177e4SLinus Torvalds 4511da177e4SLinus Torvalds default: 4521da177e4SLinus Torvalds gpio3 = gpio3_old = 0; 4531da177e4SLinus Torvalds 4541da177e4SLinus Torvalds mfunc = (mfunc & ~TI122X_MFUNC0_MASK) | TI122X_MFUNC0_INTA; 4551da177e4SLinus Torvalds if (mfunc != mfunc_old) 4561da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 4571da177e4SLinus Torvalds } 4581da177e4SLinus Torvalds 4591da177e4SLinus Torvalds /* time to probe again */ 4601da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 4611da177e4SLinus Torvalds if (pci_irq_status == 1) { 4621da177e4SLinus Torvalds mfunc_old = mfunc; 463dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 464dd797d81SDominik Brodowski "TI: parallel PCI interrupts ok\n"); 4651da177e4SLinus Torvalds } else { 4661da177e4SLinus Torvalds /* not working, back to old value */ 4671da177e4SLinus Torvalds mfunc = mfunc_old; 4681da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 4691da177e4SLinus Torvalds if (gpio3 != gpio3_old) 4701da177e4SLinus Torvalds config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3_old); 4711da177e4SLinus Torvalds } 4721da177e4SLinus Torvalds 4731da177e4SLinus Torvalds out: 4741da177e4SLinus Torvalds if (pci_irq_status < 1) { 4751da177e4SLinus Torvalds socket->cb_irq = 0; 476dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 477dd797d81SDominik Brodowski "Yenta TI: no PCI interrupts. Fish. " 478dd797d81SDominik Brodowski "Please report.\n"); 4791da177e4SLinus Torvalds } 4801da177e4SLinus Torvalds } 4811da177e4SLinus Torvalds 4821da177e4SLinus Torvalds 483c835a388SDaniel Ritz /* changes the irq of func1 to match that of func0 */ 484c835a388SDaniel Ritz static int ti12xx_align_irqs(struct yenta_socket *socket, int *old_irq) 485c835a388SDaniel Ritz { 486c835a388SDaniel Ritz struct pci_dev *func0; 487c835a388SDaniel Ritz 488c835a388SDaniel Ritz /* find func0 device */ 489c835a388SDaniel Ritz func0 = pci_get_slot(socket->dev->bus, socket->dev->devfn & ~0x07); 490c835a388SDaniel Ritz if (!func0) 491c835a388SDaniel Ritz return 0; 492c835a388SDaniel Ritz 493c835a388SDaniel Ritz if (old_irq) 494c835a388SDaniel Ritz *old_irq = socket->cb_irq; 495c835a388SDaniel Ritz socket->cb_irq = socket->dev->irq = func0->irq; 496c835a388SDaniel Ritz 497c835a388SDaniel Ritz pci_dev_put(func0); 498c835a388SDaniel Ritz 499c835a388SDaniel Ritz return 1; 500c835a388SDaniel Ritz } 501c835a388SDaniel Ritz 5021da177e4SLinus Torvalds /* 5031da177e4SLinus Torvalds * ties INTA and INTB together. also changes the devices irq to that of 5041da177e4SLinus Torvalds * the function 0 device. call from func1 only. 5051da177e4SLinus Torvalds * returns 1 if INTRTIE changed, 0 otherwise. 5061da177e4SLinus Torvalds */ 5071da177e4SLinus Torvalds static int ti12xx_tie_interrupts(struct yenta_socket *socket, int *old_irq) 5081da177e4SLinus Torvalds { 5091da177e4SLinus Torvalds u32 sysctl; 510c835a388SDaniel Ritz int ret; 5111da177e4SLinus Torvalds 5121da177e4SLinus Torvalds sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); 5131da177e4SLinus Torvalds if (sysctl & TI122X_SCR_INTRTIE) 5141da177e4SLinus Torvalds return 0; 5151da177e4SLinus Torvalds 516c835a388SDaniel Ritz /* align */ 517c835a388SDaniel Ritz ret = ti12xx_align_irqs(socket, old_irq); 518c835a388SDaniel Ritz if (!ret) 5191da177e4SLinus Torvalds return 0; 5201da177e4SLinus Torvalds 521c835a388SDaniel Ritz /* tie */ 5221da177e4SLinus Torvalds sysctl |= TI122X_SCR_INTRTIE; 5231da177e4SLinus Torvalds config_writel(socket, TI113X_SYSTEM_CONTROL, sysctl); 5241da177e4SLinus Torvalds 5251da177e4SLinus Torvalds return 1; 5261da177e4SLinus Torvalds } 5271da177e4SLinus Torvalds 5281da177e4SLinus Torvalds /* undo what ti12xx_tie_interrupts() did */ 5291da177e4SLinus Torvalds static void ti12xx_untie_interrupts(struct yenta_socket *socket, int old_irq) 5301da177e4SLinus Torvalds { 5311da177e4SLinus Torvalds u32 sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); 5321da177e4SLinus Torvalds sysctl &= ~TI122X_SCR_INTRTIE; 5331da177e4SLinus Torvalds config_writel(socket, TI113X_SYSTEM_CONTROL, sysctl); 5341da177e4SLinus Torvalds 5351da177e4SLinus Torvalds socket->cb_irq = socket->dev->irq = old_irq; 5361da177e4SLinus Torvalds } 5371da177e4SLinus Torvalds 5381da177e4SLinus Torvalds /* 5391da177e4SLinus Torvalds * irqrouting for func1, plays with INTB routing 5401da177e4SLinus Torvalds * only touches MFUNC for INTB routing. all other bits are taken 5411da177e4SLinus Torvalds * care of in func0 already. 5421da177e4SLinus Torvalds */ 5431da177e4SLinus Torvalds static void ti12xx_irqroute_func1(struct yenta_socket *socket) 5441da177e4SLinus Torvalds { 545c835a388SDaniel Ritz u32 mfunc, mfunc_old, devctl, sysctl; 5461da177e4SLinus Torvalds int pci_irq_status; 5471da177e4SLinus Torvalds 5481da177e4SLinus Torvalds mfunc = mfunc_old = config_readl(socket, TI122X_MFUNC); 5491da177e4SLinus Torvalds devctl = config_readb(socket, TI113X_DEVICE_CONTROL); 550dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 551dd797d81SDominik Brodowski "TI: mfunc 0x%08x, devctl 0x%02x\n", 552dd797d81SDominik Brodowski mfunc, devctl); 5531da177e4SLinus Torvalds 554c835a388SDaniel Ritz /* if IRQs are configured as tied, align irq of func1 with func0 */ 555c835a388SDaniel Ritz sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); 556c835a388SDaniel Ritz if (sysctl & TI122X_SCR_INTRTIE) 557c835a388SDaniel Ritz ti12xx_align_irqs(socket, NULL); 558c835a388SDaniel Ritz 5591da177e4SLinus Torvalds /* make sure PCI interrupts are enabled before probing */ 5601da177e4SLinus Torvalds ti_init(socket); 5611da177e4SLinus Torvalds 5621da177e4SLinus Torvalds /* test PCI interrupts first. only try fixing if return value is 0! */ 5631da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 5641da177e4SLinus Torvalds if (pci_irq_status) 5651da177e4SLinus Torvalds goto out; 5661da177e4SLinus Torvalds 5671da177e4SLinus Torvalds /* 5681da177e4SLinus Torvalds * We're here which means PCI interrupts are _not_ delivered. try to 5691da177e4SLinus Torvalds * find the right setting 5701da177e4SLinus Torvalds */ 571dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 572dd797d81SDominik Brodowski "TI: probing PCI interrupt failed, trying to fix\n"); 5731da177e4SLinus Torvalds 5741da177e4SLinus Torvalds /* if all serial: set INTRTIE, probe again */ 5751da177e4SLinus Torvalds if ((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) { 5761da177e4SLinus Torvalds int old_irq; 5771da177e4SLinus Torvalds 5781da177e4SLinus Torvalds if (ti12xx_tie_interrupts(socket, &old_irq)) { 5791da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 5801da177e4SLinus Torvalds if (pci_irq_status == 1) { 581dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 582dd797d81SDominik Brodowski "TI: all-serial interrupts, tied ok\n"); 5831da177e4SLinus Torvalds goto out; 5841da177e4SLinus Torvalds } 5851da177e4SLinus Torvalds 5861da177e4SLinus Torvalds ti12xx_untie_interrupts(socket, old_irq); 5871da177e4SLinus Torvalds } 5881da177e4SLinus Torvalds } 5891da177e4SLinus Torvalds /* parallel PCI: route INTB, probe again */ 5901da177e4SLinus Torvalds else { 5911da177e4SLinus Torvalds int old_irq; 5921da177e4SLinus Torvalds 5931da177e4SLinus Torvalds switch (socket->dev->device) { 5941da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1250: 5951da177e4SLinus Torvalds /* the 1250 has one pin for IRQSER/INTB depending on devctl */ 5961da177e4SLinus Torvalds break; 5971da177e4SLinus Torvalds 5981da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251A: 5991da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1251B: 6001da177e4SLinus Torvalds case PCI_DEVICE_ID_TI_1450: 6011da177e4SLinus Torvalds /* 6021da177e4SLinus Torvalds * those have a pin for IRQSER/INTB plus INTB in MFUNC0 6031da177e4SLinus Torvalds * we alread probed the shared pin, now go for MFUNC0 6041da177e4SLinus Torvalds */ 6051da177e4SLinus Torvalds mfunc = (mfunc & ~TI122X_MFUNC0_MASK) | TI125X_MFUNC0_INTB; 6061da177e4SLinus Torvalds break; 6071da177e4SLinus Torvalds 6081da177e4SLinus Torvalds default: 6091da177e4SLinus Torvalds mfunc = (mfunc & ~TI122X_MFUNC1_MASK) | TI122X_MFUNC1_INTB; 6101da177e4SLinus Torvalds break; 6111da177e4SLinus Torvalds } 6121da177e4SLinus Torvalds 6131da177e4SLinus Torvalds /* write, probe */ 6141da177e4SLinus Torvalds if (mfunc != mfunc_old) { 6151da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 6161da177e4SLinus Torvalds 6171da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 6181da177e4SLinus Torvalds if (pci_irq_status == 1) { 619dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 620dd797d81SDominik Brodowski "TI: parallel PCI interrupts ok\n"); 6211da177e4SLinus Torvalds goto out; 6221da177e4SLinus Torvalds } 6231da177e4SLinus Torvalds 6241da177e4SLinus Torvalds mfunc = mfunc_old; 6251da177e4SLinus Torvalds config_writel(socket, TI122X_MFUNC, mfunc); 6261da177e4SLinus Torvalds 6271da177e4SLinus Torvalds if (pci_irq_status == -1) 6281da177e4SLinus Torvalds goto out; 6291da177e4SLinus Torvalds } 6301da177e4SLinus Torvalds 6311da177e4SLinus Torvalds /* still nothing: set INTRTIE */ 6321da177e4SLinus Torvalds if (ti12xx_tie_interrupts(socket, &old_irq)) { 6331da177e4SLinus Torvalds pci_irq_status = yenta_probe_cb_irq(socket); 6341da177e4SLinus Torvalds if (pci_irq_status == 1) { 635dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 636dd797d81SDominik Brodowski "TI: parallel PCI interrupts, tied ok\n"); 6371da177e4SLinus Torvalds goto out; 6381da177e4SLinus Torvalds } 6391da177e4SLinus Torvalds 6401da177e4SLinus Torvalds ti12xx_untie_interrupts(socket, old_irq); 6411da177e4SLinus Torvalds } 6421da177e4SLinus Torvalds } 6431da177e4SLinus Torvalds 6441da177e4SLinus Torvalds out: 6451da177e4SLinus Torvalds if (pci_irq_status < 1) { 6461da177e4SLinus Torvalds socket->cb_irq = 0; 647dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 648dd797d81SDominik Brodowski "TI: no PCI interrupts. Fish. Please report.\n"); 6491da177e4SLinus Torvalds } 6501da177e4SLinus Torvalds } 6511da177e4SLinus Torvalds 652fa912bcbSDaniel Ritz 653fa912bcbSDaniel Ritz /* Returns true value if the second slot of a two-slot controller is empty */ 654fa912bcbSDaniel Ritz static int ti12xx_2nd_slot_empty(struct yenta_socket *socket) 655fa912bcbSDaniel Ritz { 656fa912bcbSDaniel Ritz struct pci_dev *func; 657fa912bcbSDaniel Ritz struct yenta_socket *slot2; 658fa912bcbSDaniel Ritz int devfn; 659fa912bcbSDaniel Ritz unsigned int state; 660fa912bcbSDaniel Ritz int ret = 1; 6616c1a10dbSDaniel Ritz u32 sysctl; 662fa912bcbSDaniel Ritz 663fa912bcbSDaniel Ritz /* catch the two-slot controllers */ 664fa912bcbSDaniel Ritz switch (socket->dev->device) { 665fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1220: 666fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1221: 667fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1225: 668fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251A: 669fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251B: 670fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1420: 671fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1450: 672fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1451A: 673fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1520: 674fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1620: 675fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_4520: 676fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_4450: 677fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_4451: 678fa912bcbSDaniel Ritz /* 679fa912bcbSDaniel Ritz * there are way more, but they need to be added in yenta_socket.c 680fa912bcbSDaniel Ritz * and pci_ids.h first anyway. 681fa912bcbSDaniel Ritz */ 682fa912bcbSDaniel Ritz break; 683fa912bcbSDaniel Ritz 68459e35ba1SAlex Williamson case PCI_DEVICE_ID_TI_XX12: 6856c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_X515: 6866c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_X420: 6876c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_X620: 6886c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_XX21_XX11: 6896c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_7410: 6906c1a10dbSDaniel Ritz case PCI_DEVICE_ID_TI_7610: 6916c1a10dbSDaniel Ritz /* 6926c1a10dbSDaniel Ritz * those are either single or dual slot CB with additional functions 6936c1a10dbSDaniel Ritz * like 1394, smartcard reader, etc. check the TIEALL flag for them 6946c1a10dbSDaniel Ritz * the TIEALL flag binds the IRQ of all functions toghether. 6956c1a10dbSDaniel Ritz * we catch the single slot variants later. 6966c1a10dbSDaniel Ritz */ 6976c1a10dbSDaniel Ritz sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); 6986c1a10dbSDaniel Ritz if (sysctl & TIXX21_SCR_TIEALL) 6996c1a10dbSDaniel Ritz return 0; 7006c1a10dbSDaniel Ritz 7016c1a10dbSDaniel Ritz break; 7026c1a10dbSDaniel Ritz 703fa912bcbSDaniel Ritz /* single-slot controllers have the 2nd slot empty always :) */ 704fa912bcbSDaniel Ritz default: 705fa912bcbSDaniel Ritz return 1; 706fa912bcbSDaniel Ritz } 707fa912bcbSDaniel Ritz 708fa912bcbSDaniel Ritz /* get other slot */ 709fa912bcbSDaniel Ritz devfn = socket->dev->devfn & ~0x07; 710fa912bcbSDaniel Ritz func = pci_get_slot(socket->dev->bus, 711fa912bcbSDaniel Ritz (socket->dev->devfn & 0x07) ? devfn : devfn | 0x01); 712fa912bcbSDaniel Ritz if (!func) 713fa912bcbSDaniel Ritz return 1; 714fa912bcbSDaniel Ritz 7156c1a10dbSDaniel Ritz /* 7166c1a10dbSDaniel Ritz * check that the device id of both slots match. this is needed for the 7176c1a10dbSDaniel Ritz * XX21 and the XX11 controller that share the same device id for single 7186c1a10dbSDaniel Ritz * and dual slot controllers. return '2nd slot empty'. we already checked 7196c1a10dbSDaniel Ritz * if the interrupt is tied to another function. 7206c1a10dbSDaniel Ritz */ 7216c1a10dbSDaniel Ritz if (socket->dev->device != func->device) 7226c1a10dbSDaniel Ritz goto out; 7236c1a10dbSDaniel Ritz 724fa912bcbSDaniel Ritz slot2 = pci_get_drvdata(func); 725fa912bcbSDaniel Ritz if (!slot2) 726fa912bcbSDaniel Ritz goto out; 727fa912bcbSDaniel Ritz 728fa912bcbSDaniel Ritz /* check state */ 72905f43d48SAlex Harford yenta_get_status(&slot2->socket, &state); 730fa912bcbSDaniel Ritz if (state & SS_DETECT) { 731fa912bcbSDaniel Ritz ret = 0; 732fa912bcbSDaniel Ritz goto out; 733fa912bcbSDaniel Ritz } 734fa912bcbSDaniel Ritz 735fa912bcbSDaniel Ritz out: 736fa912bcbSDaniel Ritz pci_dev_put(func); 737fa912bcbSDaniel Ritz return ret; 738fa912bcbSDaniel Ritz } 739fa912bcbSDaniel Ritz 740fa912bcbSDaniel Ritz /* 741fa912bcbSDaniel Ritz * TI specifiy parts for the power hook. 742fa912bcbSDaniel Ritz * 743fa912bcbSDaniel Ritz * some TI's with some CB's produces interrupt storm on power on. it has been 744fa912bcbSDaniel Ritz * seen with atheros wlan cards on TI1225 and TI1410. solution is simply to 745fa912bcbSDaniel Ritz * disable any CB interrupts during this time. 746fa912bcbSDaniel Ritz */ 747fa912bcbSDaniel Ritz static int ti12xx_power_hook(struct pcmcia_socket *sock, int operation) 748fa912bcbSDaniel Ritz { 749fa912bcbSDaniel Ritz struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 750fa912bcbSDaniel Ritz u32 mfunc, devctl, sysctl; 751fa912bcbSDaniel Ritz u8 gpio3; 752fa912bcbSDaniel Ritz 753fa912bcbSDaniel Ritz /* only POWER_PRE and POWER_POST are interesting */ 754fa912bcbSDaniel Ritz if ((operation != HOOK_POWER_PRE) && (operation != HOOK_POWER_POST)) 755fa912bcbSDaniel Ritz return 0; 756fa912bcbSDaniel Ritz 757fa912bcbSDaniel Ritz devctl = config_readb(socket, TI113X_DEVICE_CONTROL); 758fa912bcbSDaniel Ritz sysctl = config_readl(socket, TI113X_SYSTEM_CONTROL); 759fa912bcbSDaniel Ritz mfunc = config_readl(socket, TI122X_MFUNC); 760fa912bcbSDaniel Ritz 761fa912bcbSDaniel Ritz /* 762fa912bcbSDaniel Ritz * all serial/tied: only disable when modparm set. always doing it 763fa912bcbSDaniel Ritz * would mean a regression for working setups 'cos it disables the 764fa912bcbSDaniel Ritz * interrupts for both both slots on 2-slot controllers 765fa912bcbSDaniel Ritz * (and users of single slot controllers where it's save have to 766fa912bcbSDaniel Ritz * live with setting the modparm, most don't have to anyway) 767fa912bcbSDaniel Ritz */ 768fa912bcbSDaniel Ritz if (((devctl & TI113X_DCR_IMODE_MASK) == TI12XX_DCR_IMODE_ALL_SERIAL) && 769fa912bcbSDaniel Ritz (pwr_irqs_off || ti12xx_2nd_slot_empty(socket))) { 770fa912bcbSDaniel Ritz switch (socket->dev->device) { 771fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1250: 772fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251A: 773fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251B: 774fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1450: 775fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1451A: 776fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_4450: 777fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_4451: 778fa912bcbSDaniel Ritz /* these chips have no IRQSER setting in MFUNC3 */ 779fa912bcbSDaniel Ritz break; 780fa912bcbSDaniel Ritz 781fa912bcbSDaniel Ritz default: 782fa912bcbSDaniel Ritz if (operation == HOOK_POWER_PRE) 783fa912bcbSDaniel Ritz mfunc = (mfunc & ~TI122X_MFUNC3_MASK); 784fa912bcbSDaniel Ritz else 785fa912bcbSDaniel Ritz mfunc = (mfunc & ~TI122X_MFUNC3_MASK) | TI122X_MFUNC3_IRQSER; 786fa912bcbSDaniel Ritz } 787fa912bcbSDaniel Ritz 788fa912bcbSDaniel Ritz return 0; 789fa912bcbSDaniel Ritz } 790fa912bcbSDaniel Ritz 791fa912bcbSDaniel Ritz /* do the job differently for func0/1 */ 792fa912bcbSDaniel Ritz if ((PCI_FUNC(socket->dev->devfn) == 0) || 793fa912bcbSDaniel Ritz ((sysctl & TI122X_SCR_INTRTIE) && 794fa912bcbSDaniel Ritz (pwr_irqs_off || ti12xx_2nd_slot_empty(socket)))) { 795fa912bcbSDaniel Ritz /* some bridges are different */ 796fa912bcbSDaniel Ritz switch (socket->dev->device) { 797fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1250: 798fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251A: 799fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251B: 800fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1450: 801fa912bcbSDaniel Ritz /* those oldies use gpio3 for INTA */ 802fa912bcbSDaniel Ritz gpio3 = config_readb(socket, TI1250_GPIO3_CONTROL); 803fa912bcbSDaniel Ritz if (operation == HOOK_POWER_PRE) 804fa912bcbSDaniel Ritz gpio3 = (gpio3 & ~TI1250_GPIO_MODE_MASK) | 0x40; 805fa912bcbSDaniel Ritz else 806fa912bcbSDaniel Ritz gpio3 &= ~TI1250_GPIO_MODE_MASK; 807fa912bcbSDaniel Ritz config_writeb(socket, TI1250_GPIO3_CONTROL, gpio3); 808fa912bcbSDaniel Ritz break; 809fa912bcbSDaniel Ritz 810fa912bcbSDaniel Ritz default: 811fa912bcbSDaniel Ritz /* all new bridges are the same */ 812fa912bcbSDaniel Ritz if (operation == HOOK_POWER_PRE) 813fa912bcbSDaniel Ritz mfunc &= ~TI122X_MFUNC0_MASK; 814fa912bcbSDaniel Ritz else 815fa912bcbSDaniel Ritz mfunc |= TI122X_MFUNC0_INTA; 816fa912bcbSDaniel Ritz config_writel(socket, TI122X_MFUNC, mfunc); 817fa912bcbSDaniel Ritz } 818fa912bcbSDaniel Ritz } else { 819fa912bcbSDaniel Ritz switch (socket->dev->device) { 820fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251A: 821fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1251B: 822fa912bcbSDaniel Ritz case PCI_DEVICE_ID_TI_1450: 823fa912bcbSDaniel Ritz /* those have INTA elsewhere and INTB in MFUNC0 */ 824fa912bcbSDaniel Ritz if (operation == HOOK_POWER_PRE) 825fa912bcbSDaniel Ritz mfunc &= ~TI122X_MFUNC0_MASK; 826fa912bcbSDaniel Ritz else 827fa912bcbSDaniel Ritz mfunc |= TI125X_MFUNC0_INTB; 828fa912bcbSDaniel Ritz config_writel(socket, TI122X_MFUNC, mfunc); 829fa912bcbSDaniel Ritz 830fa912bcbSDaniel Ritz break; 831fa912bcbSDaniel Ritz 832fa912bcbSDaniel Ritz default: 833fa912bcbSDaniel Ritz /* all new bridges are the same */ 834fa912bcbSDaniel Ritz if (operation == HOOK_POWER_PRE) 835fa912bcbSDaniel Ritz mfunc &= ~TI122X_MFUNC1_MASK; 836fa912bcbSDaniel Ritz else 837fa912bcbSDaniel Ritz mfunc |= TI122X_MFUNC1_INTB; 838fa912bcbSDaniel Ritz config_writel(socket, TI122X_MFUNC, mfunc); 839fa912bcbSDaniel Ritz } 840fa912bcbSDaniel Ritz } 841fa912bcbSDaniel Ritz 842fa912bcbSDaniel Ritz return 0; 843fa912bcbSDaniel Ritz } 844fa912bcbSDaniel Ritz 8451da177e4SLinus Torvalds static int ti12xx_override(struct yenta_socket *socket) 8461da177e4SLinus Torvalds { 8471da177e4SLinus Torvalds u32 val, val_orig; 8481da177e4SLinus Torvalds 8491da177e4SLinus Torvalds /* make sure that memory burst is active */ 8501da177e4SLinus Torvalds val_orig = val = config_readl(socket, TI113X_SYSTEM_CONTROL); 8511da177e4SLinus Torvalds if (disable_clkrun && PCI_FUNC(socket->dev->devfn) == 0) { 852dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 853dd797d81SDominik Brodowski "Disabling CLKRUN feature\n"); 8541da177e4SLinus Torvalds val |= TI113X_SCR_KEEPCLK; 8551da177e4SLinus Torvalds } 8561da177e4SLinus Torvalds if (!(val & TI122X_SCR_MRBURSTUP)) { 857dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 858dd797d81SDominik Brodowski "Enabling burst memory read transactions\n"); 8591da177e4SLinus Torvalds val |= TI122X_SCR_MRBURSTUP; 8601da177e4SLinus Torvalds } 8611da177e4SLinus Torvalds if (val_orig != val) 8621da177e4SLinus Torvalds config_writel(socket, TI113X_SYSTEM_CONTROL, val); 8631da177e4SLinus Torvalds 8641da177e4SLinus Torvalds /* 8651da177e4SLinus Torvalds * Yenta expects controllers to use CSCINT to route 8661da177e4SLinus Torvalds * CSC interrupts to PCI rather than INTVAL. 8671da177e4SLinus Torvalds */ 8681da177e4SLinus Torvalds val = config_readb(socket, TI1250_DIAGNOSTIC); 869dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 870dd797d81SDominik Brodowski "Using %s to route CSC interrupts to PCI\n", 8711da177e4SLinus Torvalds (val & TI1250_DIAG_PCI_CSC) ? "CSCINT" : "INTVAL"); 872dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 873dd797d81SDominik Brodowski "Routing CardBus interrupts to %s\n", 8741da177e4SLinus Torvalds (val & TI1250_DIAG_PCI_IREQ) ? "PCI" : "ISA"); 8751da177e4SLinus Torvalds 8761da177e4SLinus Torvalds /* do irqrouting, depending on function */ 8771da177e4SLinus Torvalds if (PCI_FUNC(socket->dev->devfn) == 0) 8781da177e4SLinus Torvalds ti12xx_irqroute_func0(socket); 8791da177e4SLinus Torvalds else 8801da177e4SLinus Torvalds ti12xx_irqroute_func1(socket); 8811da177e4SLinus Torvalds 882fa912bcbSDaniel Ritz /* install power hook */ 883fa912bcbSDaniel Ritz socket->socket.power_hook = ti12xx_power_hook; 884fa912bcbSDaniel Ritz 8851da177e4SLinus Torvalds return ti_override(socket); 8861da177e4SLinus Torvalds } 8871da177e4SLinus Torvalds 8881da177e4SLinus Torvalds 8891da177e4SLinus Torvalds static int ti1250_override(struct yenta_socket *socket) 8901da177e4SLinus Torvalds { 8911da177e4SLinus Torvalds u8 old, diag; 8921da177e4SLinus Torvalds 8931da177e4SLinus Torvalds old = config_readb(socket, TI1250_DIAGNOSTIC); 8941da177e4SLinus Torvalds diag = old & ~(TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ); 8951da177e4SLinus Torvalds if (socket->cb_irq) 8961da177e4SLinus Torvalds diag |= TI1250_DIAG_PCI_CSC | TI1250_DIAG_PCI_IREQ; 8971da177e4SLinus Torvalds 8981da177e4SLinus Torvalds if (diag != old) { 899dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 900dd797d81SDominik Brodowski "adjusting diagnostic: %02x -> %02x\n", 9011da177e4SLinus Torvalds old, diag); 9021da177e4SLinus Torvalds config_writeb(socket, TI1250_DIAGNOSTIC, diag); 9031da177e4SLinus Torvalds } 9041da177e4SLinus Torvalds 9051da177e4SLinus Torvalds return ti12xx_override(socket); 9061da177e4SLinus Torvalds } 9071da177e4SLinus Torvalds 9088c3520d4SDaniel Ritz 9098c3520d4SDaniel Ritz /** 9108c3520d4SDaniel Ritz * EnE specific part. EnE bridges are register compatible with TI bridges but 9118c3520d4SDaniel Ritz * have their own test registers and more important their own little problems. 9128c3520d4SDaniel Ritz * Some fixup code to make everybody happy (TM). 9138c3520d4SDaniel Ritz */ 9148c3520d4SDaniel Ritz 91563e7ebd0SDaniel Ritz #ifdef CONFIG_YENTA_ENE_TUNE 91678187865SRandy Dunlap /* 9178c3520d4SDaniel Ritz * set/clear various test bits: 9188c3520d4SDaniel Ritz * Defaults to clear the bit. 9198c3520d4SDaniel Ritz * - mask (u8) defines what bits to change 9208c3520d4SDaniel Ritz * - bits (u8) is the values to change them to 9218c3520d4SDaniel Ritz * -> it's 9228c3520d4SDaniel Ritz * current = (current & ~mask) | bits 9238c3520d4SDaniel Ritz */ 9248c3520d4SDaniel Ritz /* pci ids of devices that wants to have the bit set */ 9258c3520d4SDaniel Ritz #define DEVID(_vend,_dev,_subvend,_subdev,mask,bits) { \ 9268c3520d4SDaniel Ritz .vendor = _vend, \ 9278c3520d4SDaniel Ritz .device = _dev, \ 9288c3520d4SDaniel Ritz .subvendor = _subvend, \ 9298c3520d4SDaniel Ritz .subdevice = _subdev, \ 9308c3520d4SDaniel Ritz .driver_data = ((mask) << 8 | (bits)), \ 9318c3520d4SDaniel Ritz } 9328c3520d4SDaniel Ritz static struct pci_device_id ene_tune_tbl[] = { 9338c3520d4SDaniel Ritz /* Echo Audio products based on motorola DSP56301 and DSP56361 */ 9348c3520d4SDaniel Ritz DEVID(PCI_VENDOR_ID_MOTOROLA, 0x1801, 0xECC0, PCI_ANY_ID, 9358c3520d4SDaniel Ritz ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), 9368c3520d4SDaniel Ritz DEVID(PCI_VENDOR_ID_MOTOROLA, 0x3410, 0xECC0, PCI_ANY_ID, 9378c3520d4SDaniel Ritz ENE_TEST_C9_TLTENABLE | ENE_TEST_C9_PFENABLE, ENE_TEST_C9_TLTENABLE), 9388c3520d4SDaniel Ritz 9398c3520d4SDaniel Ritz {} 9408c3520d4SDaniel Ritz }; 9418c3520d4SDaniel Ritz 9428c3520d4SDaniel Ritz static void ene_tune_bridge(struct pcmcia_socket *sock, struct pci_bus *bus) 9438c3520d4SDaniel Ritz { 9448c3520d4SDaniel Ritz struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); 9458c3520d4SDaniel Ritz struct pci_dev *dev; 9468c3520d4SDaniel Ritz struct pci_device_id *id = NULL; 9478c3520d4SDaniel Ritz u8 test_c9, old_c9, mask, bits; 9488c3520d4SDaniel Ritz 9498c3520d4SDaniel Ritz list_for_each_entry(dev, &bus->devices, bus_list) { 9508c3520d4SDaniel Ritz id = (struct pci_device_id *) pci_match_id(ene_tune_tbl, dev); 9518c3520d4SDaniel Ritz if (id) 9528c3520d4SDaniel Ritz break; 9538c3520d4SDaniel Ritz } 9548c3520d4SDaniel Ritz 9558c3520d4SDaniel Ritz test_c9 = old_c9 = config_readb(socket, ENE_TEST_C9); 9568c3520d4SDaniel Ritz if (id) { 9578c3520d4SDaniel Ritz mask = (id->driver_data >> 8) & 0xFF; 9588c3520d4SDaniel Ritz bits = id->driver_data & 0xFF; 9598c3520d4SDaniel Ritz 9608c3520d4SDaniel Ritz test_c9 = (test_c9 & ~mask) | bits; 9618c3520d4SDaniel Ritz } 9628c3520d4SDaniel Ritz else 9638c3520d4SDaniel Ritz /* default to clear TLTEnable bit, old behaviour */ 9648c3520d4SDaniel Ritz test_c9 &= ~ENE_TEST_C9_TLTENABLE; 9658c3520d4SDaniel Ritz 966dd797d81SDominik Brodowski dev_printk(KERN_INFO, &socket->dev->dev, 967dd797d81SDominik Brodowski "EnE: chaning testregister 0xC9, %02x -> %02x\n", 968dd797d81SDominik Brodowski old_c9, test_c9); 9698c3520d4SDaniel Ritz config_writeb(socket, ENE_TEST_C9, test_c9); 9708c3520d4SDaniel Ritz } 9718c3520d4SDaniel Ritz 9728c3520d4SDaniel Ritz static int ene_override(struct yenta_socket *socket) 9738c3520d4SDaniel Ritz { 9748c3520d4SDaniel Ritz /* install tune_bridge() function */ 9758c3520d4SDaniel Ritz socket->socket.tune_bridge = ene_tune_bridge; 9768c3520d4SDaniel Ritz 9778c3520d4SDaniel Ritz return ti1250_override(socket); 9788c3520d4SDaniel Ritz } 979c2059b2eSDavid Vrabel #else 980c2059b2eSDavid Vrabel # define ene_override ti1250_override 98163e7ebd0SDaniel Ritz #endif /* !CONFIG_YENTA_ENE_TUNE */ 9828c3520d4SDaniel Ritz 9831da177e4SLinus Torvalds #endif /* _LINUX_TI113X_H */ 9841da177e4SLinus Torvalds 985