| /* |
| * ricoh.h 1.9 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_RICOH_H |
| #define _LINUX_RICOH_H |
| |
| |
| #define RF5C_MODE_CTL 0x1f /* Mode control */ |
| #define RF5C_PWR_CTL 0x2f /* Mixed voltage control */ |
| #define RF5C_CHIP_ID 0x3a /* Chip identification */ |
| #define RF5C_MODE_CTL_3 0x3b /* Mode control 3 */ |
| |
| /* I/O window address offset */ |
| #define RF5C_IO_OFF(w) (0x36+((w)<<1)) |
| |
| /* Flags for RF5C_MODE_CTL */ |
| #define RF5C_MODE_ATA 0x01 /* ATA mode */ |
| #define RF5C_MODE_LED_ENA 0x02 /* IRQ 12 is LED */ |
| #define RF5C_MODE_CA21 0x04 |
| #define RF5C_MODE_CA22 0x08 |
| #define RF5C_MODE_CA23 0x10 |
| #define RF5C_MODE_CA24 0x20 |
| #define RF5C_MODE_CA25 0x40 |
| #define RF5C_MODE_3STATE_BIT7 0x80 |
| |
| /* Flags for RF5C_PWR_CTL */ |
| #define RF5C_PWR_VCC_3V 0x01 |
| #define RF5C_PWR_IREQ_HIGH 0x02 |
| #define RF5C_PWR_INPACK_ENA 0x04 |
| #define RF5C_PWR_5V_DET 0x08 |
| #define RF5C_PWR_TC_SEL 0x10 /* Terminal Count: irq 11 or 15 */ |
| #define RF5C_PWR_DREQ_LOW 0x20 |
| #define RF5C_PWR_DREQ_OFF 0x00 /* DREQ steering control */ |
| #define RF5C_PWR_DREQ_INPACK 0x40 |
| #define RF5C_PWR_DREQ_SPKR 0x80 |
| #define RF5C_PWR_DREQ_IOIS16 0xc0 |
| |
| /* Values for RF5C_CHIP_ID */ |
| #define RF5C_CHIP_RF5C296 0x32 |
| #define RF5C_CHIP_RF5C396 0xb2 |
| |
| /* Flags for RF5C_MODE_CTL_3 */ |
| #define RF5C_MCTL3_DISABLE 0x01 /* Disable PCMCIA interface */ |
| #define RF5C_MCTL3_DMA_ENA 0x02 |
| |
| /* Register definitions for Ricoh PCI-to-CardBus bridges */ |
| |
| /* Extra bits in CB_BRIDGE_CONTROL */ |
| #define RL5C46X_BCR_3E0_ENA 0x0800 |
| #define RL5C46X_BCR_3E2_ENA 0x1000 |
| |
| /* Bridge Configuration Register */ |
| #define RL5C4XX_CONFIG 0x80 /* 16 bit */ |
| #define RL5C4XX_CONFIG_IO_1_MODE 0x0200 |
| #define RL5C4XX_CONFIG_IO_0_MODE 0x0100 |
| #define RL5C4XX_CONFIG_PREFETCH 0x0001 |
| |
| /* Misc Control Register */ |
| #define RL5C4XX_MISC 0x0082 /* 16 bit */ |
| #define RL5C4XX_MISC_HW_SUSPEND_ENA 0x0002 |
| #define RL5C4XX_MISC_VCCEN_POL 0x0100 |
| #define RL5C4XX_MISC_VPPEN_POL 0x0200 |
| #define RL5C46X_MISC_SUSPEND 0x0001 |
| #define RL5C46X_MISC_PWR_SAVE_2 0x0004 |
| #define RL5C46X_MISC_IFACE_BUSY 0x0008 |
| #define RL5C46X_MISC_B_LOCK 0x0010 |
| #define RL5C46X_MISC_A_LOCK 0x0020 |
| #define RL5C46X_MISC_PCI_LOCK 0x0040 |
| #define RL5C47X_MISC_IFACE_BUSY 0x0004 |
| #define RL5C47X_MISC_PCI_INT_MASK 0x0018 |
| #define RL5C47X_MISC_PCI_INT_DIS 0x0020 |
| #define RL5C47X_MISC_SUBSYS_WR 0x0040 |
| #define RL5C47X_MISC_SRIRQ_ENA 0x0080 |
| #define RL5C47X_MISC_5V_DISABLE 0x0400 |
| #define RL5C47X_MISC_LED_POL 0x0800 |
| |
| /* 16-bit Interface Control Register */ |
| #define RL5C4XX_16BIT_CTL 0x0084 /* 16 bit */ |
| #define RL5C4XX_16CTL_IO_TIMING 0x0100 |
| #define RL5C4XX_16CTL_MEM_TIMING 0x0200 |
| #define RL5C46X_16CTL_LEVEL_1 0x0010 |
| #define RL5C46X_16CTL_LEVEL_2 0x0020 |
| |
| /* 16-bit IO and memory timing registers */ |
| #define RL5C4XX_16BIT_IO_0 0x0088 /* 16 bit */ |
| #define RL5C4XX_16BIT_MEM_0 0x008a /* 16 bit */ |
| #define RL5C4XX_SETUP_MASK 0x0007 |
| #define RL5C4XX_SETUP_SHIFT 0 |
| #define RL5C4XX_CMD_MASK 0x01f0 |
| #define RL5C4XX_CMD_SHIFT 4 |
| #define RL5C4XX_HOLD_MASK 0x1c00 |
| #define RL5C4XX_HOLD_SHIFT 10 |
| #define RL5C4XX_MISC_CONTROL 0x2F /* 8 bit */ |
| #define RL5C4XX_ZV_ENABLE 0x08 |
| |
| #ifdef __YENTA_H |
| |
| #define rl_misc(socket) ((socket)->private[0]) |
| #define rl_ctl(socket) ((socket)->private[1]) |
| #define rl_io(socket) ((socket)->private[2]) |
| #define rl_mem(socket) ((socket)->private[3]) |
| #define rl_config(socket) ((socket)->private[4]) |
| |
| static void ricoh_zoom_video(struct pcmcia_socket *sock, int onoff) |
| { |
| u8 reg; |
| struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket); |
| |
| reg = config_readb(socket, RL5C4XX_MISC_CONTROL); |
| if (onoff) |
| /* Zoom zoom, we will all go together, zoom zoom, zoom zoom */ |
| reg |= RL5C4XX_ZV_ENABLE; |
| else |
| reg &= ~RL5C4XX_ZV_ENABLE; |
| |
| config_writeb(socket, RL5C4XX_MISC_CONTROL, reg); |
| } |
| |
| static void ricoh_set_zv(struct yenta_socket *socket) |
| { |
| if(socket->dev->vendor == PCI_VENDOR_ID_RICOH) |
| { |
| switch(socket->dev->device) |
| { |
| /* There may be more .. */ |
| case PCI_DEVICE_ID_RICOH_RL5C478: |
| socket->socket.zoom_video = ricoh_zoom_video; |
| break; |
| } |
| } |
| } |
| |
| static void ricoh_save_state(struct yenta_socket *socket) |
| { |
| rl_misc(socket) = config_readw(socket, RL5C4XX_MISC); |
| rl_ctl(socket) = config_readw(socket, RL5C4XX_16BIT_CTL); |
| rl_io(socket) = config_readw(socket, RL5C4XX_16BIT_IO_0); |
| rl_mem(socket) = config_readw(socket, RL5C4XX_16BIT_MEM_0); |
| rl_config(socket) = config_readw(socket, RL5C4XX_CONFIG); |
| } |
| |
| static void ricoh_restore_state(struct yenta_socket *socket) |
| { |
| config_writew(socket, RL5C4XX_MISC, rl_misc(socket)); |
| config_writew(socket, RL5C4XX_16BIT_CTL, rl_ctl(socket)); |
| config_writew(socket, RL5C4XX_16BIT_IO_0, rl_io(socket)); |
| config_writew(socket, RL5C4XX_16BIT_MEM_0, rl_mem(socket)); |
| config_writew(socket, RL5C4XX_CONFIG, rl_config(socket)); |
| } |
| |
| |
| /* |
| * Magic Ricoh initialization code.. |
| */ |
| static int ricoh_override(struct yenta_socket *socket) |
| { |
| u16 config, ctl; |
| |
| config = config_readw(socket, RL5C4XX_CONFIG); |
| |
| /* Set the default timings, don't trust the original values */ |
| ctl = RL5C4XX_16CTL_IO_TIMING | RL5C4XX_16CTL_MEM_TIMING; |
| |
| if(socket->dev->device < PCI_DEVICE_ID_RICOH_RL5C475) { |
| ctl |= RL5C46X_16CTL_LEVEL_1 | RL5C46X_16CTL_LEVEL_2; |
| } else { |
| config |= RL5C4XX_CONFIG_PREFETCH; |
| } |
| |
| config_writew(socket, RL5C4XX_16BIT_CTL, ctl); |
| config_writew(socket, RL5C4XX_CONFIG, config); |
| |
| ricoh_set_zv(socket); |
| |
| return 0; |
| } |
| |
| #endif /* CONFIG_CARDBUS */ |
| |
| #endif /* _LINUX_RICOH_H */ |