1 /* 2 * ss.h 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License version 2 as 6 * published by the Free Software Foundation. 7 * 8 * The initial developer of the original code is David A. Hinds 9 * <dahinds@users.sourceforge.net>. Portions created by David A. Hinds 10 * are Copyright (C) 1999 David A. Hinds. All Rights Reserved. 11 * 12 * (C) 1999 David A. Hinds 13 */ 14 15 #ifndef _LINUX_SS_H 16 #define _LINUX_SS_H 17 18 #include <linux/config.h> 19 #include <linux/device.h> 20 21 #include <pcmcia/cs_types.h> 22 #include <pcmcia/cs.h> 23 #include <pcmcia/bulkmem.h> 24 25 /* Definitions for card status flags for GetStatus */ 26 #define SS_WRPROT 0x0001 27 #define SS_CARDLOCK 0x0002 28 #define SS_EJECTION 0x0004 29 #define SS_INSERTION 0x0008 30 #define SS_BATDEAD 0x0010 31 #define SS_BATWARN 0x0020 32 #define SS_READY 0x0040 33 #define SS_DETECT 0x0080 34 #define SS_POWERON 0x0100 35 #define SS_GPI 0x0200 36 #define SS_STSCHG 0x0400 37 #define SS_CARDBUS 0x0800 38 #define SS_3VCARD 0x1000 39 #define SS_XVCARD 0x2000 40 #define SS_PENDING 0x4000 41 #define SS_ZVCARD 0x8000 42 43 /* InquireSocket capabilities */ 44 #define SS_CAP_PAGE_REGS 0x0001 45 #define SS_CAP_VIRTUAL_BUS 0x0002 46 #define SS_CAP_MEM_ALIGN 0x0004 47 #define SS_CAP_STATIC_MAP 0x0008 48 #define SS_CAP_PCCARD 0x4000 49 #define SS_CAP_CARDBUS 0x8000 50 51 /* for GetSocket, SetSocket */ 52 typedef struct socket_state_t { 53 u_int flags; 54 u_int csc_mask; 55 u_char Vcc, Vpp; 56 u_char io_irq; 57 } socket_state_t; 58 59 extern socket_state_t dead_socket; 60 61 /* Socket configuration flags */ 62 #define SS_PWR_AUTO 0x0010 63 #define SS_IOCARD 0x0020 64 #define SS_RESET 0x0040 65 #define SS_DMA_MODE 0x0080 66 #define SS_SPKR_ENA 0x0100 67 #define SS_OUTPUT_ENA 0x0200 68 69 /* Flags for I/O port and memory windows */ 70 #define MAP_ACTIVE 0x01 71 #define MAP_16BIT 0x02 72 #define MAP_AUTOSZ 0x04 73 #define MAP_0WS 0x08 74 #define MAP_WRPROT 0x10 75 #define MAP_ATTRIB 0x20 76 #define MAP_USE_WAIT 0x40 77 #define MAP_PREFETCH 0x80 78 79 /* Use this just for bridge windows */ 80 #define MAP_IOSPACE 0x20 81 82 /* power hook operations */ 83 #define HOOK_POWER_PRE 0x01 84 #define HOOK_POWER_POST 0x02 85 86 87 typedef struct pccard_io_map { 88 u_char map; 89 u_char flags; 90 u_short speed; 91 kio_addr_t start, stop; 92 } pccard_io_map; 93 94 typedef struct pccard_mem_map { 95 u_char map; 96 u_char flags; 97 u_short speed; 98 u_long static_start; 99 u_int card_start; 100 struct resource *res; 101 } pccard_mem_map; 102 103 typedef struct cb_bridge_map { 104 u_char map; 105 u_char flags; 106 u_int start, stop; 107 } cb_bridge_map; 108 109 /* 110 * Socket operations. 111 */ 112 struct pcmcia_socket; 113 114 struct pccard_operations { 115 int (*init)(struct pcmcia_socket *sock); 116 int (*suspend)(struct pcmcia_socket *sock); 117 int (*register_callback)(struct pcmcia_socket *sock, void (*handler)(void *, unsigned int), void * info); 118 int (*get_status)(struct pcmcia_socket *sock, u_int *value); 119 int (*get_socket)(struct pcmcia_socket *sock, socket_state_t *state); 120 int (*set_socket)(struct pcmcia_socket *sock, socket_state_t *state); 121 int (*set_io_map)(struct pcmcia_socket *sock, struct pccard_io_map *io); 122 int (*set_mem_map)(struct pcmcia_socket *sock, struct pccard_mem_map *mem); 123 }; 124 125 struct pccard_resource_ops { 126 void (*validate_mem) (struct pcmcia_socket *s); 127 int (*adjust_io_region) (struct resource *res, 128 unsigned long r_start, 129 unsigned long r_end, 130 struct pcmcia_socket *s); 131 struct resource* (*find_io) (unsigned long base, int num, 132 unsigned long align, 133 struct pcmcia_socket *s); 134 struct resource* (*find_mem) (unsigned long base, unsigned long num, 135 unsigned long align, int low, 136 struct pcmcia_socket *s); 137 int (*adjust_resource) (struct pcmcia_socket *s, 138 adjust_t *adj); 139 int (*init) (struct pcmcia_socket *s); 140 void (*exit) (struct pcmcia_socket *s); 141 }; 142 /* SS_CAP_STATIC_MAP */ 143 extern struct pccard_resource_ops pccard_static_ops; 144 /* !SS_CAP_STATIC_MAP */ 145 extern struct pccard_resource_ops pccard_nonstatic_ops; 146 147 /* 148 * Calls to set up low-level "Socket Services" drivers 149 */ 150 struct pcmcia_socket; 151 152 typedef struct io_window_t { 153 u_int Attributes; 154 kio_addr_t BasePort, NumPorts; 155 kio_addr_t InUse, Config; 156 struct resource *res; 157 } io_window_t; 158 159 #define WINDOW_MAGIC 0xB35C 160 typedef struct window_t { 161 u_short magic; 162 u_short index; 163 client_handle_t handle; 164 struct pcmcia_socket *sock; 165 pccard_mem_map ctl; 166 } window_t; 167 168 /* Maximum number of IO windows per socket */ 169 #define MAX_IO_WIN 2 170 171 /* Maximum number of memory windows per socket */ 172 #define MAX_WIN 4 173 174 struct config_t; 175 struct pcmcia_callback; 176 struct user_info_t; 177 178 struct pcmcia_socket { 179 struct module *owner; 180 spinlock_t lock; 181 socket_state_t socket; 182 u_int state; 183 u_short functions; 184 u_short lock_count; 185 pccard_mem_map cis_mem; 186 void __iomem *cis_virt; 187 struct config_t *config; 188 struct { 189 u_int AssignedIRQ; 190 u_int Config; 191 } irq; 192 io_window_t io[MAX_IO_WIN]; 193 window_t win[MAX_WIN]; 194 struct list_head cis_cache; 195 u_int fake_cis_len; 196 char *fake_cis; 197 198 struct list_head socket_list; 199 struct completion socket_released; 200 201 /* deprecated */ 202 unsigned int sock; /* socket number */ 203 204 205 /* socket capabilities */ 206 u_int features; 207 u_int irq_mask; 208 u_int map_size; 209 kio_addr_t io_offset; 210 u_char pci_irq; 211 struct pci_dev * cb_dev; 212 213 214 /* socket setup is done so resources should be able to be allocated. Only 215 * if set to 1, calls to find_{io,mem}_region are handled, and insertion 216 * events are actually managed by the PCMCIA layer.*/ 217 u8 resource_setup_done:1; 218 219 /* is set to one if resource setup is done using adjust_resource_info() */ 220 u8 resource_setup_old:1; 221 u8 resource_setup_new:1; 222 223 u8 reserved:5; 224 225 /* socket operations */ 226 struct pccard_operations * ops; 227 struct pccard_resource_ops * resource_ops; 228 void * resource_data; 229 230 /* Zoom video behaviour is so chip specific its not worth adding 231 this to _ops */ 232 void (*zoom_video)(struct pcmcia_socket *, int); 233 234 /* so is power hook */ 235 int (*power_hook)(struct pcmcia_socket *sock, int operation); 236 237 /* state thread */ 238 struct semaphore skt_sem; /* protects socket h/w state */ 239 240 struct task_struct *thread; 241 struct completion thread_done; 242 wait_queue_head_t thread_wait; 243 spinlock_t thread_lock; /* protects thread_events */ 244 unsigned int thread_events; 245 246 /* pcmcia (16-bit) */ 247 struct pcmcia_callback *callback; 248 249 #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE) 250 struct list_head devices_list; /* PCMCIA devices */ 251 u8 device_count; /* the number of devices, used 252 * only internally and subject 253 * to incorrectness and change */ 254 255 struct { 256 u8 present:1, /* PCMCIA card is present in socket */ 257 busy:1, /* "master" ioctl is used */ 258 dead:1, /* pcmcia module is being unloaded */ 259 device_add_pending:1, /* a pseudo-multifunction-device 260 * add event is pending */ 261 reserved:4; 262 } pcmcia_state; 263 264 struct work_struct device_add; /* for adding further pseudo-multifunction 265 * devices */ 266 267 #ifdef CONFIG_PCMCIA_IOCTL 268 struct user_info_t *user; 269 wait_queue_head_t queue; 270 #endif 271 #endif 272 273 /* cardbus (32-bit) */ 274 #ifdef CONFIG_CARDBUS 275 struct resource * cb_cis_res; 276 void __iomem *cb_cis_virt; 277 #endif 278 279 /* socket device */ 280 struct class_device dev; 281 void *driver_data; /* data internal to the socket driver */ 282 283 }; 284 285 struct pcmcia_socket * pcmcia_get_socket_by_nr(unsigned int nr); 286 287 288 289 extern void pcmcia_parse_events(struct pcmcia_socket *socket, unsigned int events); 290 extern int pcmcia_register_socket(struct pcmcia_socket *socket); 291 extern void pcmcia_unregister_socket(struct pcmcia_socket *socket); 292 293 extern struct class pcmcia_socket_class; 294 295 /* socket drivers are expected to use these callbacks in their .drv struct */ 296 extern int pcmcia_socket_dev_suspend(struct device *dev, pm_message_t state); 297 extern int pcmcia_socket_dev_resume(struct device *dev); 298 299 #endif /* _LINUX_SS_H */ 300