Adding upstream version 4.19.249.upstream/4.19.249upstream

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

1 files changed, 266 insertions, 0 deletions

diff --git a/include/pcmcia/ss.h b/include/pcmcia/ss.h
new file mode 100644
index 000000000..731cde010
--- /dev/null
+++ b/include/pcmcia/ss.h
@@ -0,0 +1,266 @@
+/*
+ * ss.h
+ *
+ * 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
+ */
+
+#ifndef _LINUX_SS_H
+#define _LINUX_SS_H
+
+#include <linux/device.h>
+#include <linux/sched.h>	/* task_struct, completion */
+#include <linux/mutex.h>
+
+#ifdef CONFIG_CARDBUS
+#include <linux/pci.h>
+#endif
+
+/* Definitions for card status flags for GetStatus */
+#define SS_WRPROT	0x0001
+#define SS_CARDLOCK	0x0002
+#define SS_EJECTION	0x0004
+#define SS_INSERTION	0x0008
+#define SS_BATDEAD	0x0010
+#define SS_BATWARN	0x0020
+#define SS_READY	0x0040
+#define SS_DETECT	0x0080
+#define SS_POWERON	0x0100
+#define SS_GPI		0x0200
+#define SS_STSCHG	0x0400
+#define SS_CARDBUS	0x0800
+#define SS_3VCARD	0x1000
+#define SS_XVCARD	0x2000
+#define SS_PENDING	0x4000
+#define SS_ZVCARD	0x8000
+
+/* InquireSocket capabilities */
+#define SS_CAP_PAGE_REGS	0x0001
+#define SS_CAP_VIRTUAL_BUS	0x0002
+#define SS_CAP_MEM_ALIGN	0x0004
+#define SS_CAP_STATIC_MAP	0x0008
+#define SS_CAP_PCCARD		0x4000
+#define SS_CAP_CARDBUS		0x8000
+
+/* for GetSocket, SetSocket */
+typedef struct socket_state_t {
+	u_int	flags;
+	u_int	csc_mask;
+	u_char	Vcc, Vpp;
+	u_char	io_irq;
+} socket_state_t;
+
+extern socket_state_t dead_socket;
+
+/* Socket configuration flags */
+#define SS_PWR_AUTO	0x0010
+#define SS_IOCARD	0x0020
+#define SS_RESET	0x0040
+#define SS_DMA_MODE	0x0080
+#define SS_SPKR_ENA	0x0100
+#define SS_OUTPUT_ENA	0x0200
+
+/* Flags for I/O port and memory windows */
+#define MAP_ACTIVE	0x01
+#define MAP_16BIT	0x02
+#define MAP_AUTOSZ	0x04
+#define MAP_0WS		0x08
+#define MAP_WRPROT	0x10
+#define MAP_ATTRIB	0x20
+#define MAP_USE_WAIT	0x40
+#define MAP_PREFETCH	0x80
+
+/* Use this just for bridge windows */
+#define MAP_IOSPACE	0x20
+
+/* power hook operations */
+#define HOOK_POWER_PRE	0x01
+#define HOOK_POWER_POST	0x02
+
+typedef struct pccard_io_map {
+	u_char	map;
+	u_char	flags;
+	u_short	speed;
+	phys_addr_t start, stop;
+} pccard_io_map;
+
+typedef struct pccard_mem_map {
+	u_char		map;
+	u_char		flags;
+	u_short		speed;
+	phys_addr_t	static_start;
+	u_int		card_start;
+	struct resource	*res;
+} pccard_mem_map;
+
+typedef struct io_window_t {
+	u_int			InUse, Config;
+	struct resource		*res;
+} io_window_t;
+
+/* Maximum number of IO windows per socket */
+#define MAX_IO_WIN 2
+
+/* Maximum number of memory windows per socket */
+#define MAX_WIN 4
+
+
+/*
+ * Socket operations.
+ */
+struct pcmcia_socket;
+struct pccard_resource_ops;
+struct config_t;
+struct pcmcia_callback;
+struct user_info_t;
+
+struct pccard_operations {
+	int (*init)(struct pcmcia_socket *s);
+	int (*suspend)(struct pcmcia_socket *s);
+	int (*get_status)(struct pcmcia_socket *s, u_int *value);
+	int (*set_socket)(struct pcmcia_socket *s, socket_state_t *state);
+	int (*set_io_map)(struct pcmcia_socket *s, struct pccard_io_map *io);
+	int (*set_mem_map)(struct pcmcia_socket *s, struct pccard_mem_map *mem);
+};
+
+struct pcmcia_socket {
+	struct module			*owner;
+	socket_state_t			socket;
+	u_int				state;
+	u_int				suspended_state;	/* state before suspend */
+	u_short				functions;
+	u_short				lock_count;
+	pccard_mem_map			cis_mem;
+	void __iomem 			*cis_virt;
+	io_window_t			io[MAX_IO_WIN];
+	pccard_mem_map			win[MAX_WIN];
+	struct list_head		cis_cache;
+	size_t				fake_cis_len;
+	u8				*fake_cis;
+
+	struct list_head		socket_list;
+	struct completion		socket_released;
+
+	/* deprecated */
+	unsigned int			sock;		/* socket number */
+
+
+	/* socket capabilities */
+	u_int				features;
+	u_int				irq_mask;
+	u_int				map_size;
+	u_int				io_offset;
+	u_int				pci_irq;
+	struct pci_dev			*cb_dev;
+
+	/* socket setup is done so resources should be able to be allocated.
+	 * Only if set to 1, calls to find_{io,mem}_region are handled, and
+	 * insertio events are actually managed by the PCMCIA layer.*/
+	u8				resource_setup_done;
+
+	/* socket operations */
+	struct pccard_operations	*ops;
+	struct pccard_resource_ops	*resource_ops;
+	void				*resource_data;
+
+	/* Zoom video behaviour is so chip specific its not worth adding
+	   this to _ops */
+	void 				(*zoom_video)(struct pcmcia_socket *,
+						      int);
+
+	/* so is power hook */
+	int (*power_hook)(struct pcmcia_socket *sock, int operation);
+
+	/* allows tuning the CB bridge before loading driver for the CB card */
+#ifdef CONFIG_CARDBUS
+	void (*tune_bridge)(struct pcmcia_socket *sock, struct pci_bus *bus);
+#endif
+
+	/* state thread */
+	struct task_struct		*thread;
+	struct completion		thread_done;
+	unsigned int			thread_events;
+	unsigned int			sysfs_events;
+
+	/* For the non-trivial interaction between these locks,
+	 * see Documentation/pcmcia/locking.txt */
+	struct mutex			skt_mutex;
+	struct mutex			ops_mutex;
+
+	/* protects thread_events and sysfs_events */
+	spinlock_t			thread_lock;
+
+	/* pcmcia (16-bit) */
+	struct pcmcia_callback		*callback;
+
+#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
+	/* The following elements refer to 16-bit PCMCIA devices inserted
+	 * into the socket */
+	struct list_head		devices_list;
+
+	/* the number of devices, used only internally and subject to
+	 * incorrectness and change */
+	u8				device_count;
+
+	/* does the PCMCIA card consist of two pseudo devices? */
+	u8				pcmcia_pfc;
+
+	/* non-zero if PCMCIA card is present */
+	atomic_t			present;
+
+	/* IRQ to be used by PCMCIA devices. May not be IRQ 0. */
+	unsigned int			pcmcia_irq;
+
+#endif /* CONFIG_PCMCIA */
+
+	/* socket device */
+	struct device			dev;
+	/* data internal to the socket driver */
+	void				*driver_data;
+	/* status of the card during resume from a system sleep state */
+	int				resume_status;
+};
+
+
+/* socket drivers must define the resource operations type they use. There
+ * are three options:
+ * - pccard_static_ops		iomem and ioport areas are assigned statically
+ * - pccard_iodyn_ops		iomem areas is assigned statically, ioport
+ *				areas dynamically
+ *				If this option is selected, use
+ *				"select PCCARD_IODYN" in Kconfig.
+ * - pccard_nonstatic_ops	iomem and ioport areas are assigned dynamically.
+ *				If this option is selected, use
+ *				"select PCCARD_NONSTATIC" in Kconfig.
+ *
+ */
+extern struct pccard_resource_ops pccard_static_ops;
+#if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE)
+extern struct pccard_resource_ops pccard_iodyn_ops;
+extern struct pccard_resource_ops pccard_nonstatic_ops;
+#else
+/* If PCMCIA is not used, but only CARDBUS, these functions are not used
+ * at all. Therefore, do not use the large (240K!) rsrc_nonstatic module
+ */
+#define pccard_iodyn_ops pccard_static_ops
+#define pccard_nonstatic_ops pccard_static_ops
+#endif
+
+
+/* socket drivers use this callback in their IRQ handler */
+extern void pcmcia_parse_events(struct pcmcia_socket *socket,
+				unsigned int events);
+
+/* to register and unregister a socket */
+extern int pcmcia_register_socket(struct pcmcia_socket *socket);
+extern void pcmcia_unregister_socket(struct pcmcia_socket *socket);
+
+
+#endif /* _LINUX_SS_H */