1 /* 2 * topic.h 1.8 1999/08/28 04:01:47 3 * 4 * The contents of this file are subject to the Mozilla Public License 5 * Version 1.1 (the "License"); you may not use this file except in 6 * compliance with the License. You may obtain a copy of the License 7 * 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. See 11 * the License for the specific language governing rights and 12 * limitations under the License. 13 * 14 * The initial developer of the original code is David A. Hinds 15 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 16 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 17 * 18 * Alternatively, the contents of this file may be used under the 19 * terms of the GNU General Public License version 2 (the "GPL"), in which 20 * case the provisions of the GPL are applicable instead of the 21 * above. If you wish to allow the use of your version of this file 22 * only under the terms of the GPL and not to allow others to use 23 * your version of this file under the MPL, indicate your decision by 24 * deleting the provisions above and replace them with the notice and 25 * other provisions required by the GPL. If you do not delete the 26 * provisions above, a recipient may use your version of this file 27 * under either the MPL or the GPL. 28 * topic.h $Release$ 1999/08/28 04:01:47 29 */ 30 31 #ifndef _LINUX_TOPIC_H 32 #define _LINUX_TOPIC_H 33 34 /* Register definitions for Toshiba ToPIC95/97/100 controllers */ 35 36 #define TOPIC_SOCKET_CONTROL 0x0090 /* 32 bit */ 37 #define TOPIC_SCR_IRQSEL 0x00000001 38 39 #define TOPIC_SLOT_CONTROL 0x00a0 /* 8 bit */ 40 #define TOPIC_SLOT_SLOTON 0x80 41 #define TOPIC_SLOT_SLOTEN 0x40 42 #define TOPIC_SLOT_ID_LOCK 0x20 43 #define TOPIC_SLOT_ID_WP 0x10 44 #define TOPIC_SLOT_PORT_MASK 0x0c 45 #define TOPIC_SLOT_PORT_SHIFT 2 46 #define TOPIC_SLOT_OFS_MASK 0x03 47 48 #define TOPIC_CARD_CONTROL 0x00a1 /* 8 bit */ 49 #define TOPIC_CCR_INTB 0x20 50 #define TOPIC_CCR_INTA 0x10 51 #define TOPIC_CCR_CLOCK 0x0c 52 #define TOPIC_CCR_PCICLK 0x0c 53 #define TOPIC_CCR_PCICLK_2 0x08 54 #define TOPIC_CCR_CCLK 0x04 55 56 #define TOPIC97_INT_CONTROL 0x00a1 /* 8 bit */ 57 #define TOPIC97_ICR_INTB 0x20 58 #define TOPIC97_ICR_INTA 0x10 59 #define TOPIC97_ICR_STSIRQNP 0x04 60 #define TOPIC97_ICR_IRQNP 0x02 61 #define TOPIC97_ICR_IRQSEL 0x01 62 63 #define TOPIC_CARD_DETECT 0x00a3 /* 8 bit */ 64 #define TOPIC_CDR_MODE_PC32 0x80 65 #define TOPIC_CDR_VS1 0x04 66 #define TOPIC_CDR_VS2 0x02 67 #define TOPIC_CDR_SW_DETECT 0x01 68 69 #define TOPIC_REGISTER_CONTROL 0x00a4 /* 32 bit */ 70 #define TOPIC_RCR_RESUME_RESET 0x80000000 71 #define TOPIC_RCR_REMOVE_RESET 0x40000000 72 #define TOPIC97_RCR_CLKRUN_ENA 0x20000000 73 #define TOPIC97_RCR_TESTMODE 0x10000000 74 #define TOPIC97_RCR_IOPLUP 0x08000000 75 #define TOPIC_RCR_BUFOFF_PWROFF 0x02000000 76 #define TOPIC_RCR_BUFOFF_SIGOFF 0x01000000 77 #define TOPIC97_RCR_CB_DEV_MASK 0x0000f800 78 #define TOPIC97_RCR_CB_DEV_SHIFT 11 79 #define TOPIC97_RCR_RI_DISABLE 0x00000004 80 #define TOPIC97_RCR_CAUDIO_OFF 0x00000002 81 #define TOPIC_RCR_CAUDIO_INVERT 0x00000001 82 83 #define TOPIC97_MISC1 0x00ad /* 8bit */ 84 #define TOPIC97_MISC1_CLOCKRUN_ENABLE 0x80 85 #define TOPIC97_MISC1_CLOCKRUN_MODE 0x40 86 #define TOPIC97_MISC1_DETECT_REQ_ENA 0x10 87 #define TOPIC97_MISC1_SCK_CLEAR_DIS 0x04 88 #define TOPIC97_MISC1_R2_LOW_ENABLE 0x10 89 90 #define TOPIC97_MISC2 0x00ae /* 8 bit */ 91 #define TOPIC97_MISC2_SPWRCLK_MASK 0x70 92 #define TOPIC97_MISC2_SPWRMOD 0x08 93 #define TOPIC97_MISC2_SPWR_ENABLE 0x04 94 #define TOPIC97_MISC2_ZV_MODE 0x02 95 #define TOPIC97_MISC2_ZV_ENABLE 0x01 96 97 #define TOPIC97_ZOOM_VIDEO_CONTROL 0x009c /* 8 bit */ 98 #define TOPIC97_ZV_CONTROL_ENABLE 0x01 99 100 #define TOPIC97_AUDIO_VIDEO_SWITCH 0x003c /* 8 bit */ 101 #define TOPIC97_AVS_AUDIO_CONTROL 0x02 102 #define TOPIC97_AVS_VIDEO_CONTROL 0x01 103 104 #define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */ 105 #define TOPIC_EXCA_IFC_33V_ENA 0x01 106 107 #define TOPIC_PCI_CFG_PPBCN 0x3e /* 16-bit */ 108 #define TOPIC_PCI_CFG_PPBCN_WBEN 0x0400 109 110 static 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 } 132 133 static 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 } 139 140 141 static 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 numerous 154 Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the 155 net. This is not a power-on default according to the datasheet 156 but some BIOSes seem to set it. */ 157 if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0 158 && socket->dev->revision <= 7 159 && (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