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Diffstat (limited to 'drivers/pcmcia/topic.h')
| -rw-r--r-- | drivers/pcmcia/topic.h | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/pcmcia/topic.h b/drivers/pcmcia/topic.h new file mode 100644 index 000000000..582688fe7 --- /dev/null +++ b/drivers/pcmcia/topic.h @@ -0,0 +1,168 @@ +/* + * topic.h 1.8 1999/08/28 04:01:47 + * + * 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. + * topic.h $Release$ 1999/08/28 04:01:47 + */ + +#ifndef _LINUX_TOPIC_H +#define _LINUX_TOPIC_H + +/* Register definitions for Toshiba ToPIC95/97/100 controllers */ + +#define TOPIC_SOCKET_CONTROL 0x0090 /* 32 bit */ +#define TOPIC_SCR_IRQSEL 0x00000001 + +#define TOPIC_SLOT_CONTROL 0x00a0 /* 8 bit */ +#define TOPIC_SLOT_SLOTON 0x80 +#define TOPIC_SLOT_SLOTEN 0x40 +#define TOPIC_SLOT_ID_LOCK 0x20 +#define TOPIC_SLOT_ID_WP 0x10 +#define TOPIC_SLOT_PORT_MASK 0x0c +#define TOPIC_SLOT_PORT_SHIFT 2 +#define TOPIC_SLOT_OFS_MASK 0x03 + +#define TOPIC_CARD_CONTROL 0x00a1 /* 8 bit */ +#define TOPIC_CCR_INTB 0x20 +#define TOPIC_CCR_INTA 0x10 +#define TOPIC_CCR_CLOCK 0x0c +#define TOPIC_CCR_PCICLK 0x0c +#define TOPIC_CCR_PCICLK_2 0x08 +#define TOPIC_CCR_CCLK 0x04 + +#define TOPIC97_INT_CONTROL 0x00a1 /* 8 bit */ +#define TOPIC97_ICR_INTB 0x20 +#define TOPIC97_ICR_INTA 0x10 +#define TOPIC97_ICR_STSIRQNP 0x04 +#define TOPIC97_ICR_IRQNP 0x02 +#define TOPIC97_ICR_IRQSEL 0x01 + +#define TOPIC_CARD_DETECT 0x00a3 /* 8 bit */ +#define TOPIC_CDR_MODE_PC32 0x80 +#define TOPIC_CDR_VS1 0x04 +#define TOPIC_CDR_VS2 0x02 +#define TOPIC_CDR_SW_DETECT 0x01 + +#define TOPIC_REGISTER_CONTROL 0x00a4 /* 32 bit */ +#define TOPIC_RCR_RESUME_RESET 0x80000000 +#define TOPIC_RCR_REMOVE_RESET 0x40000000 +#define TOPIC97_RCR_CLKRUN_ENA 0x20000000 +#define TOPIC97_RCR_TESTMODE 0x10000000 +#define TOPIC97_RCR_IOPLUP 0x08000000 +#define TOPIC_RCR_BUFOFF_PWROFF 0x02000000 +#define TOPIC_RCR_BUFOFF_SIGOFF 0x01000000 +#define TOPIC97_RCR_CB_DEV_MASK 0x0000f800 +#define TOPIC97_RCR_CB_DEV_SHIFT 11 +#define TOPIC97_RCR_RI_DISABLE 0x00000004 +#define TOPIC97_RCR_CAUDIO_OFF 0x00000002 +#define TOPIC_RCR_CAUDIO_INVERT 0x00000001 + +#define TOPIC97_MISC1 0x00ad /* 8bit */ +#define TOPIC97_MISC1_CLOCKRUN_ENABLE 0x80 +#define TOPIC97_MISC1_CLOCKRUN_MODE 0x40 +#define TOPIC97_MISC1_DETECT_REQ_ENA 0x10 +#define TOPIC97_MISC1_SCK_CLEAR_DIS 0x04 +#define TOPIC97_MISC1_R2_LOW_ENABLE 0x10 + +#define TOPIC97_MISC2 0x00ae /* 8 bit */ +#define TOPIC97_MISC2_SPWRCLK_MASK 0x70 +#define TOPIC97_MISC2_SPWRMOD 0x08 +#define TOPIC97_MISC2_SPWR_ENABLE 0x04 +#define TOPIC97_MISC2_ZV_MODE 0x02 +#define TOPIC97_MISC2_ZV_ENABLE 0x01 + +#define TOPIC97_ZOOM_VIDEO_CONTROL 0x009c /* 8 bit */ +#define TOPIC97_ZV_CONTROL_ENABLE 0x01 + +#define TOPIC97_AUDIO_VIDEO_SWITCH 0x003c /* 8 bit */ +#define TOPIC97_AVS_AUDIO_CONTROL 0x02 +#define TOPIC97_AVS_VIDEO_CONTROL 0x01 + +#define TOPIC_EXCA_IF_CONTROL 0x3e /* 8 bit */ +#define TOPIC_EXCA_IFC_33V_ENA 0x01 + +#define TOPIC_PCI_CFG_PPBCN 0x3e /* 16-bit */ +#define TOPIC_PCI_CFG_PPBCN_WBEN 0x0400 + +static void topic97_zoom_video(struct pcmcia_socket *sock, int onoff) +{ + struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); + u8 reg_zv, reg; + + reg_zv = config_readb(socket, TOPIC97_ZOOM_VIDEO_CONTROL); + if (onoff) { + reg_zv |= TOPIC97_ZV_CONTROL_ENABLE; + config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv); + + reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH); + reg |= TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL; + config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg); + } else { + reg_zv &= ~TOPIC97_ZV_CONTROL_ENABLE; + config_writeb(socket, TOPIC97_ZOOM_VIDEO_CONTROL, reg_zv); + + reg = config_readb(socket, TOPIC97_AUDIO_VIDEO_SWITCH); + reg &= ~(TOPIC97_AVS_AUDIO_CONTROL | TOPIC97_AVS_VIDEO_CONTROL); + config_writeb(socket, TOPIC97_AUDIO_VIDEO_SWITCH, reg); + } +} + +static int topic97_override(struct yenta_socket *socket) +{ + /* ToPIC97/100 support ZV */ + socket->socket.zoom_video = topic97_zoom_video; + return 0; +} + + +static int topic95_override(struct yenta_socket *socket) +{ + u8 fctrl; + u16 ppbcn; + + /* enable 3.3V support for 16bit cards */ + fctrl = exca_readb(socket, TOPIC_EXCA_IF_CONTROL); + exca_writeb(socket, TOPIC_EXCA_IF_CONTROL, fctrl | TOPIC_EXCA_IFC_33V_ENA); + + /* tell yenta to use exca registers to power 16bit cards */ + socket->flags |= YENTA_16BIT_POWER_EXCA | YENTA_16BIT_POWER_DF; + + /* Disable write buffers to prevent lockups under load with numerous + Cardbus cards, observed on Tecra 500CDT and reported elsewhere on the + net. This is not a power-on default according to the datasheet + but some BIOSes seem to set it. */ + if (pci_read_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, &ppbcn) == 0 + && socket->dev->revision <= 7 + && (ppbcn & TOPIC_PCI_CFG_PPBCN_WBEN)) { + ppbcn &= ~TOPIC_PCI_CFG_PPBCN_WBEN; + pci_write_config_word(socket->dev, TOPIC_PCI_CFG_PPBCN, ppbcn); + dev_info(&socket->dev->dev, "Disabled ToPIC95 Cardbus write buffers.\n"); + } + + return 0; +} + +#endif /* _LINUX_TOPIC_H */ |