Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / video / backlight / ili9320.h

diff --git a/kernel/drivers/video/backlight/ili9320.h b/kernel/drivers/video/backlight/ili9320.h
new file mode 100644 (file)
index 0000000..42329e7
--- /dev/null
+++ b/kernel/drivers/video/backlight/ili9320.h
@@ -0,0 +1,80 @@
+/* drivers/video/backlight/ili9320.h
+ *
+ * ILI9320 LCD controller driver core.
+ *
+ * Copyright 2007 Simtec Electronics
+ *     Ben Dooks <ben@simtec.co.uk>
+ *
+ * http://armlinux.simtec.co.uk/
+ *
+ * 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.
+*/
+
+/* Holder for register and value pairs. */
+struct ili9320_reg {
+       unsigned short          address;
+       unsigned short          value;
+};
+
+struct ili9320;
+
+struct ili9320_client {
+       const char      *name;
+       int     (*init)(struct ili9320 *ili, struct ili9320_platdata *cfg);
+
+};
+/* Device attached via an SPI bus. */
+struct  ili9320_spi {
+       struct spi_device       *dev;
+       struct spi_message      message;
+       struct spi_transfer     xfer[2];
+
+       unsigned char           id;
+       unsigned char           buffer_addr[4];
+       unsigned char           buffer_data[4];
+};
+
+/* ILI9320 device state. */
+struct ili9320 {
+       union {
+               struct ili9320_spi      spi;    /* SPI attachged device. */
+       } access;                               /* Register access method. */
+
+       struct device                   *dev;
+       struct lcd_device               *lcd;   /* LCD device we created. */
+       struct ili9320_client           *client;
+       struct ili9320_platdata         *platdata;
+
+       int                              power; /* current power state. */
+       int                              initialised;
+
+       unsigned short                   display1;
+       unsigned short                   power1;
+
+       int (*write)(struct ili9320 *ili, unsigned int reg, unsigned int val);
+};
+
+
+/* ILI9320 register access routines */
+
+extern int ili9320_write(struct ili9320 *ili,
+                        unsigned int reg, unsigned int value);
+
+extern int ili9320_write_regs(struct ili9320 *ili,
+                             const struct ili9320_reg *values,
+                             int nr_values);
+
+/* Device probe */
+
+extern int ili9320_probe_spi(struct spi_device *spi,
+                            struct ili9320_client *cli);
+
+extern int ili9320_remove(struct ili9320 *lcd);
+extern void ili9320_shutdown(struct ili9320 *lcd);
+
+/* PM */
+
+extern int ili9320_suspend(struct ili9320 *lcd);
+extern int ili9320_resume(struct ili9320 *lcd);