diff options
Diffstat (limited to 'sys/pci/pcireg.h')
| -rw-r--r-- | sys/pci/pcireg.h | 423 |
1 files changed, 0 insertions, 423 deletions
diff --git a/sys/pci/pcireg.h b/sys/pci/pcireg.h deleted file mode 100644 index dd1f1ccf3280..000000000000 --- a/sys/pci/pcireg.h +++ /dev/null @@ -1,423 +0,0 @@ -/************************************************************************** -** -** $Id: pcireg.h,v 1.1 1994/10/12 02:25:03 se Exp $ -** -** Declarations for pci bus drivers. -** -** 386bsd / FreeBSD -** -**------------------------------------------------------------------------- -** -** Copyright (c) 1994 Wolfgang Stanglmeier. All rights reserved. -** -** Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions -** are met: -** 1. Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** 2. Redistributions in binary form must reproduce the above copyright -** notice, this list of conditions and the following disclaimer in the -** documentation and/or other materials provided with the distribution. -** 3. The name of the author may not be used to endorse or promote products -** derived from this software without specific prior written permission. -** -** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR -** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES -** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. -** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, -** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT -** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF -** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -** -*************************************************************************** -*/ - -#ifndef __PCI_REG_H__ -#define __PCI_REG_H__ - -/*----------------------------------------------------------------- -** -** main pci initialization function. -** called at boot time from autoconf.c -** -**----------------------------------------------------------------- -*/ - -void pci_configure (void); - -/*----------------------------------------------------------------- -** -** The pci configuration id describes a pci device on the bus. -** It is constructed from: bus, device & function numbers. -** -**----------------------------------------------------------------- -*/ - -typedef union { - u_long cfg1; - struct { - u_char enable; - u_char forward; - u_short port; - } cfg2; - } pcici_t; - -/*----------------------------------------------------------------- -** -** Each pci device has an unique device id. -** It is used to find a matching driver. -** -**----------------------------------------------------------------- -*/ - -typedef u_long pcidi_t; - -/*----------------------------------------------------------------- -** -** The pci driver structure. -** -** probe: Checks if the driver can support a device -** with this type. The tag may be used to get -** more info with pci_read_conf(). See below. -** It returns a string with the devices name, -** or a NULL pointer, if the driver cannot -** support this device. -** -** attach: Allocate a control structure and prepare -** it. This function may use the pci mapping -** functions. See below. -** (configuration id) or type. -** -** count: A pointer to a unit counter. -** It's used by the pci configurator to -** allocate unit numbers. -** -**----------------------------------------------------------------- -*/ - -struct pci_driver { - char* (*probe ) (pcici_t tag, pcidi_t type); - void (*attach) (pcici_t tag, int unit); - u_long *count; -}; - -/*----------------------------------------------------------------- -** -** The pci-devconf interface. -** -**----------------------------------------------------------------- -*/ - -struct pci_info { - u_short pi_bus; - u_short pi_device; -}; - -#define PCI_EXT_CONF_LEN (16) -#define PCI_EXTERNAL_LEN (sizeof(struct pci_externalize_buffer)) - -struct pci_externalize_buffer { - struct pci_info peb_pci_info; - u_long peb_config[PCI_EXT_CONF_LEN]; -}; - - -/*----------------------------------------------------------------- -** -** Per device structure. -** -** An array of this structure should be created by the -** config utility and live in "ioconf.c". -** -** At the moment it's created by hand and lives in -** pci_config.c -** -** pd_driver: -** a pointer to the driver structure. -** -** pd_name: -** the name of the devices which are supported -** by this driver for kernel messages. -** -** pd_flags: -** for further study. -** -**----------------------------------------------------------------- -*/ - -struct pci_device { - struct - pci_driver* pd_driver; - const char * pd_name; - int pd_flags; -}; - -/*----------------------------------------------------------------- -** -** This table should be generated in file "ioconf.c" -** by the config program. -** It is used at boot time by the configuration function -** pci_configure() -** -**----------------------------------------------------------------- -*/ - -extern struct pci_device pci_devtab[]; - -/*----------------------------------------------------------------- -** -** Map a pci device to physical and virtual memory. -** -** The va and pa addresses are "in/out" parameters. -** If they are 0 on entry, the function assigns an address. -** -** Entry selects the register in the pci configuration -** space, which supplies the size of the region, and -** receives the physical address. -** -** If there is any error, a message is written, and -** the function returns with zero. -** Else it returns with a value different to zero. -** -**----------------------------------------------------------------- -*/ - -int pci_map_mem (pcici_t tag, u_long entry, u_long * va, u_long * pa); - -/*----------------------------------------------------------------- -** -** Map a pci device to an io port area. -** -** *pa is an "in/out" parameter. -** If it's 0 on entry, the function assigns an port number.. -** -** Entry selects the register in the pci configuration -** space, which supplies the size of the region, and -** receives the port number. -** -** If there is any error, a message is written, and -** the function returns with zero. -** Else it returns with a value different to zero. -** -**----------------------------------------------------------------- -*/ - -int pci_map_port(pcici_t tag, u_long entry, u_short * pa); - -/*----------------------------------------------------------------- -** -** Map a pci interrupt to an isa irq line, -** and enable the interrupt. -** -** func is the interrupt handler, arg is the argument -** to this function. -** -** The maskptr argument should be &bio_imask, -** &net_imask etc. or NULL. -** -** If there is any error, a message is written, and -** the function returns with zero. -** Else it returns with a value different to zero. -** -** A word of caution for FreeBSD 2.0: -** -** We use the register_intr() function. -** -** The interrupt line of the selected device is included -** into the supplied mask: after the corresponding splXXX -** this drivers interrupts are blocked. -** -** But in the interrupt handlers startup code ONLY -** the interrupt of the driver is blocked, and NOT -** all interrupts of the spl group. -** -** It may be required to additional block the group -** interrupts by splXXX() inside the interrupt handler. -** -** In pre 2.0 kernels we emulate the register_intr -** function. The emulating function blocks all interrupts -** of the group in the interrupt handler prefix code. -** -**----------------------------------------------------------------- -*/ - -int pci_map_int (pcici_t tag, int (*func)(), void* arg, unsigned * maskptr); - -/*----------------------------------------------------------------- -** -** The following functions are provided by the pci bios. -** They are used only by the pci configuration. -** -** pci_conf_mode(): -** Probes for a pci system. -** Returns 1 or 2 for pci configuration mechanism. -** Returns 0 if no pci system. -** -** pcitag(): -** Gets a handle for accessing the pci configuration -** space. -** This handle is given to the mapping functions (see -** above) or to the read/write functions. -** -** pci_conf_read(): -** Read a long word from the pci configuration space. -** Requires a tag (from pcitag) and the register -** number (should be a long word alligned one). -** -** pci_conf_write(): -** Writes a long word to the pci configuration space. -** Requires a tag (from pcitag), the register number -** (should be a long word alligned one), and a value. -** -**----------------------------------------------------------------- -*/ - -int pci_conf_mode (void); - -pcici_t pcitag (unsigned char bus, - unsigned char device, - unsigned char func); - -u_long pci_conf_read (pcici_t tag, u_long reg ); -void pci_conf_write (pcici_t tag, u_long reg, u_long data); - - -/*------------------------------------------------------------------ -** -** Names for PCI configuration space registers. -** -** Copyright (c) 1994 Charles Hannum. All rights reserved. -** -**------------------------------------------------------------------ -*/ - -/* - * Device identification register; contains a vendor ID and a device ID. - * We have little need to distinguish the two parts. - */ -#define PCI_ID_REG 0x00 - -/* - * Command and status register. - */ -#define PCI_COMMAND_STATUS_REG 0x04 - -#define PCI_COMMAND_IO_ENABLE 0x00000001 -#define PCI_COMMAND_MEM_ENABLE 0x00000002 -#define PCI_COMMAND_MASTER_ENABLE 0x00000004 -#define PCI_COMMAND_SPECIAL_ENABLE 0x00000008 -#define PCI_COMMAND_INVALIDATE_ENABLE 0x00000010 -#define PCI_COMMAND_PALETTE_ENABLE 0x00000020 -#define PCI_COMMAND_PARITY_ENABLE 0x00000040 -#define PCI_COMMAND_STEPPING_ENABLE 0x00000080 -#define PCI_COMMAND_SERR_ENABLE 0x00000100 -#define PCI_COMMAND_BACKTOBACK_ENABLE 0x00000200 - -#define PCI_STATUS_BACKTOBACK_OKAY 0x00800000 -#define PCI_STATUS_PARITY_ERROR 0x01000000 -#define PCI_STATUS_DEVSEL_FAST 0x00000000 -#define PCI_STATUS_DEVSEL_MEDIUM 0x02000000 -#define PCI_STATUS_DEVSEL_SLOW 0x04000000 -#define PCI_STATUS_DEVSEL_MASK 0x06000000 -#define PCI_STATUS_TARGET_TARGET_ABORT 0x08000000 -#define PCI_STATUS_MASTER_TARGET_ABORT 0x10000000 -#define PCI_STATUS_MASTER_ABORT 0x20000000 -#define PCI_STATUS_SPECIAL_ERROR 0x40000000 -#define PCI_STATUS_PARITY_DETECT 0x80000000 - -/* - * Class register; defines basic type of device. - */ -#define PCI_CLASS_REG 0x08 - -#define PCI_CLASS_MASK 0xff000000 -#define PCI_SUBCLASS_MASK 0x00ff0000 - -/* base classes */ -#define PCI_CLASS_PREHISTORIC 0x00000000 -#define PCI_CLASS_MASS_STORAGE 0x01000000 -#define PCI_CLASS_NETWORK 0x02000000 -#define PCI_CLASS_DISPLAY 0x03000000 -#define PCI_CLASS_MULTIMEDIA 0x04000000 -#define PCI_CLASS_MEMORY 0x05000000 -#define PCI_CLASS_BRIDGE 0x06000000 -#define PCI_CLASS_UNDEFINED 0xff000000 - -/* 0x00 prehistoric subclasses */ -#define PCI_SUBCLASS_PREHISTORIC_MISC 0x00000000 -#define PCI_SUBCLASS_PREHISTORIC_VGA 0x00010000 - -/* 0x01 mass storage subclasses */ -#define PCI_SUBCLASS_MASS_STORAGE_SCSI 0x00000000 -#define PCI_SUBCLASS_MASS_STORAGE_IDE 0x00010000 -#define PCI_SUBCLASS_MASS_STORAGE_FLOPPY 0x00020000 -#define PCI_SUBCLASS_MASS_STORAGE_IPI 0x00030000 -#define PCI_SUBCLASS_MASS_STORAGE_MISC 0x00800000 - -/* 0x02 network subclasses */ -#define PCI_SUBCLASS_NETWORK_ETHERNET 0x00000000 -#define PCI_SUBCLASS_NETWORK_TOKENRING 0x00010000 -#define PCI_SUBCLASS_NETWORK_FDDI 0x00020000 -#define PCI_SUBCLASS_NETWORK_MISC 0x00800000 - -/* 0x03 display subclasses */ -#define PCI_SUBCLASS_DISPLAY_VGA 0x00000000 -#define PCI_SUBCLASS_DISPLAY_XGA 0x00010000 -#define PCI_SUBCLASS_DISPLAY_MISC 0x00800000 - -/* 0x04 multimedia subclasses */ -#define PCI_SUBCLASS_MULTIMEDIA_VIDEO 0x00000000 -#define PCI_SUBCLASS_MULTIMEDIA_AUDIO 0x00010000 -#define PCI_SUBCLASS_MULTIMEDIA_MISC 0x00800000 - -/* 0x05 memory subclasses */ -#define PCI_SUBCLASS_MEMORY_RAM 0x00000000 -#define PCI_SUBCLASS_MEMORY_FLASH 0x00010000 -#define PCI_SUBCLASS_MEMORY_MISC 0x00800000 - -/* 0x06 bridge subclasses */ -#define PCI_SUBCLASS_BRIDGE_HOST 0x00000000 -#define PCI_SUBCLASS_BRIDGE_ISA 0x00010000 -#define PCI_SUBCLASS_BRIDGE_EISA 0x00020000 -#define PCI_SUBCLASS_BRIDGE_MC 0x00030000 -#define PCI_SUBCLASS_BRIDGE_PCI 0x00040000 -#define PCI_SUBCLASS_BRIDGE_PCMCIA 0x00050000 -#define PCI_SUBCLASS_BRIDGE_MISC 0x00800000 - -/* - * Mapping registers - */ -#define PCI_MAP_REG_START 0x10 -#define PCI_MAP_REG_END 0x28 - -#define PCI_MAP_MEMORY 0x00000000 -#define PCI_MAP_IO 0x00000001 - -#define PCI_MAP_MEMORY_TYPE_32BIT 0x00000000 -#define PCI_MAP_MEMORY_TYPE_32BIT_1M 0x00000002 -#define PCI_MAP_MEMORY_TYPE_64BIT 0x00000004 -#define PCI_MAP_MEMORY_TYPE_MASK 0x00000006 -#define PCI_MAP_MEMORY_CACHABLE 0x00000008 -#define PCI_MAP_MEMORY_ADDRESS_MASK 0xfffffff0 - -/* - * Interrupt configuration register - */ -#define PCI_INTERRUPT_REG 0x3c - -#define PCI_INTERRUPT_PIN_MASK 0x0000ff00 -#define PCI_INTERRUPT_PIN_EXTRACT(x) ((((x) & PCI_INTERRUPT_PIN_MASK) >> 8) & 0xff) -#define PCI_INTERRUPT_PIN_NONE 0x00 -#define PCI_INTERRUPT_PIN_A 0x01 -#define PCI_INTERRUPT_PIN_B 0x02 -#define PCI_INTERRUPT_PIN_C 0x03 -#define PCI_INTERRUPT_PIN_D 0x04 - -#define PCI_INTERRUPT_LINE_MASK 0x000000ff -#define PCI_INTERRUPT_LINE_EXTRACT(x) ((((x) & PCI_INTERRUPT_LINE_MASK) >> 0) & 0xff) -#define PCI_INTERRUPT_LINE_INSERT(x,v) (((x) & ~PCI_INTERRUPT_LINE_MASK) | ((v) << 0)) - -#endif /* __PCI_REG_H__ */ |