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/
usr
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src
/
linux-headers-6.8.0-83
/
include
/
pcmcia
/ [
drwxr-xr-x
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ds.h
/* SPDX-License-Identifier: GPL-2.0-only */ /* * ds.h -- 16-bit PCMCIA core support * * 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. * * (C) 1999 David A. Hinds * (C) 2003 - 2008 Dominik Brodowski */ #ifndef _LINUX_DS_H #define _LINUX_DS_H #ifdef __KERNEL__ #include <linux/mod_devicetable.h> #endif #include <pcmcia/device_id.h> #ifdef __KERNEL__ #include <linux/device.h> #include <linux/interrupt.h> #include <pcmcia/ss.h> #include <linux/atomic.h> /* * PCMCIA device drivers (16-bit cards only; 32-bit cards require CardBus * a.k.a. PCI drivers */ struct pcmcia_socket; struct pcmcia_device; struct config_t; struct net_device; /* dynamic device IDs for PCMCIA device drivers. See * Documentation/pcmcia/driver.rst for details. */ struct pcmcia_dynids { struct mutex lock; struct list_head list; }; struct pcmcia_driver { const char *name; int (*probe) (struct pcmcia_device *dev); void (*remove) (struct pcmcia_device *dev); int (*suspend) (struct pcmcia_device *dev); int (*resume) (struct pcmcia_device *dev); struct module *owner; const struct pcmcia_device_id *id_table; struct device_driver drv; struct pcmcia_dynids dynids; }; /* driver registration */ int pcmcia_register_driver(struct pcmcia_driver *driver); void pcmcia_unregister_driver(struct pcmcia_driver *driver); /** * module_pcmcia_driver() - Helper macro for registering a pcmcia driver * @__pcmcia_driver: pcmcia_driver struct * * Helper macro for pcmcia drivers which do not do anything special in module * init/exit. This eliminates a lot of boilerplate. Each module may only use * this macro once, and calling it replaces module_init() and module_exit(). */ #define module_pcmcia_driver(__pcmcia_driver) \ module_driver(__pcmcia_driver, pcmcia_register_driver, \ pcmcia_unregister_driver) /* for struct resource * array embedded in struct pcmcia_device */ enum { PCMCIA_IOPORT_0, PCMCIA_IOPORT_1, PCMCIA_IOMEM_0, PCMCIA_IOMEM_1, PCMCIA_IOMEM_2, PCMCIA_IOMEM_3, PCMCIA_NUM_RESOURCES, }; struct pcmcia_device { /* the socket and the device_no [for multifunction devices] uniquely define a pcmcia_device */ struct pcmcia_socket *socket; char *devname; u8 device_no; /* the hardware "function" device; certain subdevices can * share one hardware "function" device. */ u8 func; struct config_t *function_config; struct list_head socket_device_list; /* device setup */ unsigned int irq; struct resource *resource[PCMCIA_NUM_RESOURCES]; resource_size_t card_addr; /* for the 1st IOMEM resource */ unsigned int vpp; unsigned int config_flags; /* CONF_ENABLE_ flags below */ unsigned int config_base; unsigned int config_index; unsigned int config_regs; /* PRESENT_ flags below */ unsigned int io_lines; /* number of I/O lines */ /* Is the device suspended? */ u16 suspended:1; /* Flags whether io, irq, win configurations were * requested, and whether the configuration is "locked" */ u16 _irq:1; u16 _io:1; u16 _win:4; u16 _locked:1; /* Flag whether a "fuzzy" func_id based match is * allowed. */ u16 allow_func_id_match:1; /* information about this device */ u16 has_manf_id:1; u16 has_card_id:1; u16 has_func_id:1; u16 reserved:4; u8 func_id; u16 manf_id; u16 card_id; char *prod_id[4]; u64 dma_mask; struct device dev; /* data private to drivers */ void *priv; unsigned int open; }; #define to_pcmcia_dev(n) container_of(n, struct pcmcia_device, dev) #define to_pcmcia_drv(n) container_of(n, struct pcmcia_driver, drv) /* * CIS access. * * Please use the following functions to access CIS tuples: * - pcmcia_get_tuple() * - pcmcia_loop_tuple() * - pcmcia_get_mac_from_cis() * * To parse a tuple_t, pcmcia_parse_tuple() exists. Its interface * might change in future. */ /* get the very first CIS entry of type @code. Note that buf is pointer * to u8 *buf; and that you need to kfree(buf) afterwards. */ size_t pcmcia_get_tuple(struct pcmcia_device *p_dev, cisdata_t code, u8 **buf); /* loop over CIS entries */ int pcmcia_loop_tuple(struct pcmcia_device *p_dev, cisdata_t code, int (*loop_tuple) (struct pcmcia_device *p_dev, tuple_t *tuple, void *priv_data), void *priv_data); /* get the MAC address from CISTPL_FUNCE */ int pcmcia_get_mac_from_cis(struct pcmcia_device *p_dev, struct net_device *dev); /* parse a tuple_t */ int pcmcia_parse_tuple(tuple_t *tuple, cisparse_t *parse); /* loop CIS entries for valid configuration */ int pcmcia_loop_config(struct pcmcia_device *p_dev, int (*conf_check) (struct pcmcia_device *p_dev, void *priv_data), void *priv_data); /* is the device still there? */ struct pcmcia_device *pcmcia_dev_present(struct pcmcia_device *p_dev); /* low-level interface reset */ int pcmcia_reset_card(struct pcmcia_socket *skt); /* CIS config */ int pcmcia_read_config_byte(struct pcmcia_device *p_dev, off_t where, u8 *val); int pcmcia_write_config_byte(struct pcmcia_device *p_dev, off_t where, u8 val); /* device configuration */ int pcmcia_request_io(struct pcmcia_device *p_dev); int __must_check pcmcia_request_irq(struct pcmcia_device *p_dev, irq_handler_t handler); int pcmcia_enable_device(struct pcmcia_device *p_dev); int pcmcia_request_window(struct pcmcia_device *p_dev, struct resource *res, unsigned int speed); int pcmcia_release_window(struct pcmcia_device *p_dev, struct resource *res); int pcmcia_map_mem_page(struct pcmcia_device *p_dev, struct resource *res, unsigned int offset); int pcmcia_fixup_vpp(struct pcmcia_device *p_dev, unsigned char new_vpp); int pcmcia_fixup_iowidth(struct pcmcia_device *p_dev); void pcmcia_disable_device(struct pcmcia_device *p_dev); /* IO ports */ #define IO_DATA_PATH_WIDTH 0x18 #define IO_DATA_PATH_WIDTH_8 0x00 #define IO_DATA_PATH_WIDTH_16 0x08 #define IO_DATA_PATH_WIDTH_AUTO 0x10 /* IO memory */ #define WIN_MEMORY_TYPE_CM 0x00 /* default */ #define WIN_MEMORY_TYPE_AM 0x20 /* MAP_ATTRIB */ #define WIN_DATA_WIDTH_8 0x00 /* default */ #define WIN_DATA_WIDTH_16 0x02 /* MAP_16BIT */ #define WIN_ENABLE 0x01 /* MAP_ACTIVE */ #define WIN_USE_WAIT 0x40 /* MAP_USE_WAIT */ #define WIN_FLAGS_MAP 0x63 /* MAP_ATTRIB | MAP_16BIT | MAP_ACTIVE | MAP_USE_WAIT */ #define WIN_FLAGS_REQ 0x1c /* mapping to socket->win[i]: 0x04 -> 0 0x08 -> 1 0x0c -> 2 0x10 -> 3 */ /* config_reg{ister}s present for this PCMCIA device */ #define PRESENT_OPTION 0x001 #define PRESENT_STATUS 0x002 #define PRESENT_PIN_REPLACE 0x004 #define PRESENT_COPY 0x008 #define PRESENT_EXT_STATUS 0x010 #define PRESENT_IOBASE_0 0x020 #define PRESENT_IOBASE_1 0x040 #define PRESENT_IOBASE_2 0x080 #define PRESENT_IOBASE_3 0x100 #define PRESENT_IOSIZE 0x200 /* flags to be passed to pcmcia_enable_device() */ #define CONF_ENABLE_IRQ 0x0001 #define CONF_ENABLE_SPKR 0x0002 #define CONF_ENABLE_PULSE_IRQ 0x0004 #define CONF_ENABLE_ESR 0x0008 #define CONF_ENABLE_IOCARD 0x0010 /* auto-enabled if IO resources or IRQ * (CONF_ENABLE_IRQ) in use */ #define CONF_ENABLE_ZVCARD 0x0020 /* flags used by pcmcia_loop_config() autoconfiguration */ #define CONF_AUTO_CHECK_VCC 0x0100 /* check for matching Vcc? */ #define CONF_AUTO_SET_VPP 0x0200 /* set Vpp? */ #define CONF_AUTO_AUDIO 0x0400 /* enable audio line? */ #define CONF_AUTO_SET_IO 0x0800 /* set ->resource[0,1] */ #define CONF_AUTO_SET_IOMEM 0x1000 /* set ->resource[2] */ #endif /* __KERNEL__ */ #endif /* _LINUX_DS_H */
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