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1/*2 * topic.h 1.8 1999/08/28 04:01:473 *4 * The contents of this file are subject to the Mozilla Public License5 * Version 1.1 (the "License"); you may not use this file except in6 * compliance with the License. You may obtain a copy of the License7 * at http://www.mozilla.org/MPL/8 *9 * Software distributed under the License is distributed on an "AS IS"10 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See11 * the License for the specific language governing rights and12 * limitations under the License. 13 *14 * The initial developer of the original code is David A. Hinds15 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds16 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved.17 *18 * Alternatively, the contents of this file may be used under the19 * terms of the GNU General Public License version 2 (the "GPL"), in which20 * case the provisions of the GPL are applicable instead of the21 * above. If you wish to allow the use of your version of this file22 * only under the terms of the GPL and not to allow others to use23 * your version of this file under the MPL, indicate your decision by24 * deleting the provisions above and replace them with the notice and25 * other provisions required by the GPL. If you do not delete the26 * provisions above, a recipient may use your version of this file27 * under either the MPL or the GPL.28 * topic.h $Release$ 1999/08/28 04:01:4729 */30 31#ifndef _LINUX_TOPIC_H32#define _LINUX_TOPIC_H33 34/* Register definitions for Toshiba ToPIC95/97/100 controllers */35 36#define TOPIC_SOCKET_CONTROL 0x0090 /* 32 bit */37#define TOPIC_SCR_IRQSEL 0x0000000138 39#define TOPIC_SLOT_CONTROL 0x00a0 /* 8 bit */40#define TOPIC_SLOT_SLOTON 0x8041#define TOPIC_SLOT_SLOTEN 0x4042#define TOPIC_SLOT_ID_LOCK 0x2043#define TOPIC_SLOT_ID_WP 0x1044#define TOPIC_SLOT_PORT_MASK 0x0c45#define TOPIC_SLOT_PORT_SHIFT 246#define TOPIC_SLOT_OFS_MASK 0x0347 48#define TOPIC_CARD_CONTROL 0x00a1 /* 8 bit */49#define TOPIC_CCR_INTB 0x2050#define TOPIC_CCR_INTA 0x1051#define TOPIC_CCR_CLOCK 0x0c52#define TOPIC_CCR_PCICLK 0x0c53#define TOPIC_CCR_PCICLK_2 0x0854#define TOPIC_CCR_CCLK 0x0455 56#define TOPIC97_INT_CONTROL 0x00a1 /* 8 bit */57#define TOPIC97_ICR_INTB 0x2058#define TOPIC97_ICR_INTA 0x1059#define TOPIC97_ICR_STSIRQNP 0x0460#define TOPIC97_ICR_IRQNP 0x0261#define TOPIC97_ICR_IRQSEL 0x0162 63#define TOPIC_CARD_DETECT 0x00a3 /* 8 bit */64#define TOPIC_CDR_MODE_PC32 0x8065#define TOPIC_CDR_VS1 0x0466#define TOPIC_CDR_VS2 0x0267#define TOPIC_CDR_SW_DETECT 0x0168 69#define TOPIC_REGISTER_CONTROL 0x00a4 /* 32 bit */70#define TOPIC_RCR_RESUME_RESET 0x8000000071#define TOPIC_RCR_REMOVE_RESET 0x4000000072#define TOPIC97_RCR_CLKRUN_ENA 0x2000000073#define TOPIC97_RCR_TESTMODE 0x1000000074#define TOPIC97_RCR_IOPLUP 0x0800000075#define TOPIC_RCR_BUFOFF_PWROFF 0x0200000076#define TOPIC_RCR_BUFOFF_SIGOFF 0x0100000077#define TOPIC97_RCR_CB_DEV_MASK 0x0000f80078#define TOPIC97_RCR_CB_DEV_SHIFT 1179#define TOPIC97_RCR_RI_DISABLE 0x0000000480#define TOPIC97_RCR_CAUDIO_OFF 0x0000000281#define TOPIC_RCR_CAUDIO_INVERT 0x0000000182 83#define TOPIC97_MISC1 0x00ad /* 8bit */84#define TOPIC97_MISC1_CLOCKRUN_ENABLE 0x8085#define TOPIC97_MISC1_CLOCKRUN_MODE 0x4086#define TOPIC97_MISC1_DETECT_REQ_ENA 0x1087#define TOPIC97_MISC1_SCK_CLEAR_DIS 0x0488#define TOPIC97_MISC1_R2_LOW_ENABLE 0x1089 90#define TOPIC97_MISC2 0x00ae /* 8 bit */91#define TOPIC97_MISC2_SPWRCLK_MASK 0x7092#define TOPIC97_MISC2_SPWRMOD 0x0893#define TOPIC97_MISC2_SPWR_ENABLE 0x0494#define TOPIC97_MISC2_ZV_MODE 0x0295#define TOPIC97_MISC2_ZV_ENABLE 0x0196 97#define TOPIC97_ZOOM_VIDEO_CONTROL 0x009c /* 8 bit */98#define TOPIC97_ZV_CONTROL_ENABLE 0x0199 100#define TOPIC97_AUDIO_VIDEO_SWITCH 0x003c /* 8 bit */101#define TOPIC97_AVS_AUDIO_CONTROL 0x02102#define TOPIC97_AVS_VIDEO_CONTROL 0x01103 104#define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */105#define TOPIC_EXCA_IFC_33V_ENA 0x01106 107#define TOPIC_PCI_CFG_PPBCN 0x3e /* 16-bit */108#define TOPIC_PCI_CFG_PPBCN_WBEN 0x0400109 110static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff)111{112 struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);113 u8 reg_zv, reg;114 115 reg_zv = config_readb(socket, TOPIC97_ZOOM_VIDEO_CONTROL);116 if (onoff) {117 reg_zv |= TOPIC97_ZV_CONTROL_ENABLE;118 config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);119 120 reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);121 reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL;122 config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);123 } else {124 reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE;125 config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv);126 127 reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH);128 reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL);129 config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg);130 }131}132 133static int topic97_override(struct yenta_socket *socket)134{135 /* ToPIC97/100 support ZV */136 socket->socket.zoom_video = topic97_zoom_video;137 return 0;138}139 140 141static int topic95_override(struct yenta_socket *socket)142{143 u8 fctrl;144 u16 ppbcn;145 146 /* enable 3.3V support for 16bit cards */147 fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL);148 exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA);149 150 /* tell yenta to use exca registers to power 16bit cards */151 socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF;152 153 /* Disable write buffers to prevent lockups under load with numerous154 Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the155 net. This is not a power-on default according to the datasheet156 but some BIOSes seem to set it. */157 if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0158 && socket->dev->revision <= 7159 && (ppbcn & TOPIC_PCI_CFG_PPBCN_WBEN)) {160 ppbcn &= ~TOPIC_PCI_CFG_PPBCN_WBEN;161 pci_write_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, ppbcn);162 dev_info(&socket->dev->dev, "Disabled ToPIC95 Cardbus write buffers.\n");163 }164 165 return 0;166}167 168#endif /* _LINUX_TOPIC_H */169