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-rw-r--r--arch/arm/include/asm/hardware/scoop.h67
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/include/asm/hardware/scoop.h b/arch/arm/include/asm/hardware/scoop.h
new file mode 100644
index 000000000..505453315
--- /dev/null
+++ b/arch/arm/include/asm/hardware/scoop.h
@@ -0,0 +1,67 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Definitions for the SCOOP interface found on various Sharp PDAs
+ *
+ * Copyright (c) 2004 Richard Purdie
+ */
+
+#define SCOOP_MCR 0x00
+#define SCOOP_CDR 0x04
+#define SCOOP_CSR 0x08
+#define SCOOP_CPR 0x0C
+#define SCOOP_CCR 0x10
+#define SCOOP_IRR 0x14
+#define SCOOP_IRM 0x14
+#define SCOOP_IMR 0x18
+#define SCOOP_ISR 0x1C
+#define SCOOP_GPCR 0x20
+#define SCOOP_GPWR 0x24
+#define SCOOP_GPRR 0x28
+
+#define SCOOP_CPR_OUT (1 << 7)
+#define SCOOP_CPR_SD_3V (1 << 2)
+#define SCOOP_CPR_CF_XV (1 << 1)
+#define SCOOP_CPR_CF_3V (1 << 0)
+
+#define SCOOP_GPCR_PA22 (1 << 12)
+#define SCOOP_GPCR_PA21 (1 << 11)
+#define SCOOP_GPCR_PA20 (1 << 10)
+#define SCOOP_GPCR_PA19 (1 << 9)
+#define SCOOP_GPCR_PA18 (1 << 8)
+#define SCOOP_GPCR_PA17 (1 << 7)
+#define SCOOP_GPCR_PA16 (1 << 6)
+#define SCOOP_GPCR_PA15 (1 << 5)
+#define SCOOP_GPCR_PA14 (1 << 4)
+#define SCOOP_GPCR_PA13 (1 << 3)
+#define SCOOP_GPCR_PA12 (1 << 2)
+#define SCOOP_GPCR_PA11 (1 << 1)
+
+struct scoop_config {
+ unsigned short io_out;
+ unsigned short io_dir;
+ unsigned short suspend_clr;
+ unsigned short suspend_set;
+ int gpio_base;
+};
+
+/* Structure for linking scoop devices to PCMCIA sockets */
+struct scoop_pcmcia_dev {
+ struct device *dev; /* Pointer to this socket's scoop device */
+ int irq; /* irq for socket */
+ int cd_irq;
+ const char *cd_irq_str;
+ unsigned char keep_vs;
+ unsigned char keep_rd;
+};
+
+struct scoop_pcmcia_config {
+ struct scoop_pcmcia_dev *devs;
+ int num_devs;
+ void (*power_ctrl)(struct device *scoop, unsigned short cpr, int nr);
+};
+
+extern struct scoop_pcmcia_config *platform_scoop_config;
+
+void reset_scoop(struct device *dev);
+unsigned short read_scoop_reg(struct device *dev, unsigned short reg);
+void write_scoop_reg(struct device *dev, unsigned short reg, unsigned short data);