patch-2.4.19 linux-2.4.19/drivers/pcmcia/sa1100_generic.h

• Lines: 77
• Date: Fri Aug 2 17:39:44 2002
• Orig file: linux-2.4.18/drivers/pcmcia/sa1100_generic.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -urN linux-2.4.18/drivers/pcmcia/sa1100_generic.h linux-2.4.19/drivers/pcmcia/sa1100_generic.h
@@ -0,0 +1,76 @@
+/*
+ * linux/include/asm/arch/pcmcia.h
+ *
+ * Copyright (C) 2000 John G Dorsey <john+@cs.cmu.edu>
+ *
+ * This file contains definitions for the low-level SA-1100 kernel PCMCIA
+ * interface. Please see linux/Documentation/arm/SA1100/PCMCIA for details.
+ */
+#ifndef _ASM_ARCH_PCMCIA
+#define _ASM_ARCH_PCMCIA
+
+/* Ideally, we'd support up to MAX_SOCK sockets, but the SA-1100 only
+ * has support for two. This shows up in lots of hardwired ways, such
+ * as the fact that MECR only has enough bits to configure two sockets.
+ * Since it's so entrenched in the hardware, limiting the software
+ * in this way doesn't seem too terrible.
+ */
+#define SA1100_PCMCIA_MAX_SOCK   (2)
+
+struct pcmcia_init {
+  void (*handler)(int irq, void *dev, struct pt_regs *regs);
+};
+
+struct pcmcia_state {
+  unsigned detect: 1,
+            ready: 1,
+             bvd1: 1,
+             bvd2: 1,
+           wrprot: 1,
+            vs_3v: 1,
+            vs_Xv: 1;
+};
+
+struct pcmcia_state_array {
+  unsigned int size;
+  struct pcmcia_state *state;
+};
+
+struct pcmcia_configure {
+  unsigned sock: 8,
+            vcc: 8,
+            vpp: 8,
+         output: 1,
+        speaker: 1,
+          reset: 1,
+            irq: 1;
+};
+
+struct pcmcia_irq_info {
+  unsigned int sock;
+  unsigned int irq;
+};
+
+struct pcmcia_low_level {
+  int (*init)(struct pcmcia_init *);
+  int (*shutdown)(void);
+  int (*socket_state)(struct pcmcia_state_array *);
+  int (*get_irq_info)(struct pcmcia_irq_info *);
+  int (*configure_socket)(const struct pcmcia_configure *);
+
+  /*
+   * Enable card status IRQs on (re-)initialisation.  This can
+   * be called at initialisation, power management event, or
+   * pcmcia event.
+   */
+  int (*socket_init)(int sock);
+
+  /*
+   * Disable card status IRQs and PCMCIA bus on suspend.
+   */
+  int (*socket_suspend)(int sock);
+};
+
+extern struct pcmcia_low_level *pcmcia_low_level;
+
+#endif