1 files changed, 109 insertions, 0 deletions

diff --git a/drivers/input/touchscreen/rmi4/rmi_driver.h b/drivers/input/touchscreen/rmi4/rmi_driver.h
new file mode 100644
index 00000000000..9e9f2c09822
--- /dev/null
+++ b/drivers/input/touchscreen/rmi4/rmi_driver.h
@@ -0,0 +1,109 @@
+/*
+ * Copyright (c) 2011 Synaptics Incorporated
+ * Copyright (c) 2011 Unixphere
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef _RMI_DRIVER_H
+#define _RMI_DRIVER_H
+
+#define RMI_DRIVER_MAJOR_VERSION     1
+#define RMI_DRIVER_MINOR_VERSION     3
+#define RMI_DRIVER_SUB_MINOR_VERSION 0
+
+/* TODO: Figure out some way to construct this string in the define macro
+ * using the values defined above.
+ */
+#define RMI_DRIVER_VERSION_STRING "1.3.0"
+
+
+#define RMI_PRODUCT_ID_LENGTH    10
+#define RMI_PRODUCT_INFO_LENGTH   2
+#define RMI_DATE_CODE_LENGTH      3
+
+struct rmi_driver_data {
+        struct rmi_function_container rmi_functions;
+
+        struct rmi_function_container *f01_container;
+
+        int num_of_irq_regs;
+        u8 *current_irq_mask;
+        u8 *irq_mask_store;
+        bool irq_stored;
+        struct mutex irq_mutex;
+        struct lock_class_key irq_key;
+
+        unsigned char pdt_props;
+        unsigned char bsr;
+        bool enabled;
+
+        u8 manufacturer_id;
+        /* product id + null termination */
+        u8 product_id[RMI_PRODUCT_ID_LENGTH + 1];
+
+#ifdef CONFIG_PM
+        bool suspended;
+        struct mutex suspend_mutex;
+
+        void *pm_data;
+        int (*pre_suspend) (const void *pm_data);
+        int (*post_resume) (const void *pm_data);
+#endif
+
+        void *data;
+};
+
+struct pdt_entry {
+        u8 query_base_addr:8;
+        u8 command_base_addr:8;
+        u8 control_base_addr:8;
+        u8 data_base_addr:8;
+        u8 interrupt_source_count:3;
+        u8 bits3and4:2;
+        u8 function_version:2;
+        u8 bit7:1;
+        u8 function_number:8;
+};
+
+int rmi_driver_f01_init(struct rmi_device *rmi_dev);
+
+static inline void copy_pdt_entry_to_fd(struct pdt_entry *pdt,
+                                 struct rmi_function_descriptor *fd,
+                                 u16 page_start)
+{
+        fd->query_base_addr = pdt->query_base_addr + page_start;
+        fd->command_base_addr = pdt->command_base_addr + page_start;
+        fd->control_base_addr = pdt->control_base_addr + page_start;
+        fd->data_base_addr = pdt->data_base_addr + page_start;
+        fd->function_number = pdt->function_number;
+        fd->interrupt_source_count = pdt->interrupt_source_count;
+        fd->function_version = pdt->function_version;
+}
+
+/* Helper function to convert a short (in host processor endianess) to
+ * a byte array in the RMI endianess for shorts.  See above comment for
+ * why we dont us htons or something like that.
+ */
+void hstoba(u8 *dest, u16 src);
+
+/* Helper fn to convert a byte array representing a short in the RMI
+ * endian-ness to a short in the native processor's specific endianness.
+ * We don't use ntohs/htons here because, well, we're not dealing with
+ * a pair of shorts. And casting dest to short* wouldn't work, because
+ * that would imply knowing the byte order of short in the first place.
+ */
+void batohs(u16 *dest, u8 *src);
+
+#endif