Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 277 insertions, 0 deletions

diff --git a/include/pcmcia/ds.h b/include/pcmcia/ds.h
new file mode 100644
index 000000000..303715785
--- /dev/null
+++ b/include/pcmcia/ds.h
@@ -0,0 +1,277 @@
+/*
+ * ds.h -- 16-bit PCMCIA core support
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * 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.txt 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 */