Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / staging / olpc_dcon / olpc_dcon.h

diff --git a/kernel/drivers/staging/olpc_dcon/olpc_dcon.h b/kernel/drivers/staging/olpc_dcon/olpc_dcon.h
new file mode 100644 (file)
index 0000000..aec9895
--- /dev/null
+++ b/kernel/drivers/staging/olpc_dcon/olpc_dcon.h
@@ -0,0 +1,111 @@
+#ifndef OLPC_DCON_H_
+#define OLPC_DCON_H_
+
+#include <linux/notifier.h>
+#include <linux/workqueue.h>
+
+/* DCON registers */
+
+#define DCON_REG_ID             0
+#define DCON_REG_MODE           1
+
+#define MODE_PASSTHRU  (1<<0)
+#define MODE_SLEEP     (1<<1)
+#define MODE_SLEEP_AUTO        (1<<2)
+#define MODE_BL_ENABLE (1<<3)
+#define MODE_BLANK     (1<<4)
+#define MODE_CSWIZZLE  (1<<5)
+#define MODE_COL_AA    (1<<6)
+#define MODE_MONO_LUMA (1<<7)
+#define MODE_SCAN_INT  (1<<8)
+#define MODE_CLOCKDIV  (1<<9)
+#define MODE_DEBUG     (1<<14)
+#define MODE_SELFTEST  (1<<15)
+
+#define DCON_REG_HRES          0x2
+#define DCON_REG_HTOTAL                0x3
+#define DCON_REG_HSYNC_WIDTH   0x4
+#define DCON_REG_VRES          0x5
+#define DCON_REG_VTOTAL                0x6
+#define DCON_REG_VSYNC_WIDTH   0x7
+#define DCON_REG_TIMEOUT       0x8
+#define DCON_REG_SCAN_INT      0x9
+#define DCON_REG_BRIGHT                0xa
+#define DCON_REG_MEM_OPT_A     0x41
+#define DCON_REG_MEM_OPT_B     0x42
+
+/* Load Delay Locked Loop (DLL) settings for clock delay */
+#define MEM_DLL_CLOCK_DELAY    (1<<0)
+/* Memory controller power down function */
+#define MEM_POWER_DOWN         (1<<8)
+/* Memory controller software reset */
+#define MEM_SOFT_RESET         (1<<0)
+
+/* Status values */
+
+#define DCONSTAT_SCANINT       0
+#define DCONSTAT_SCANINT_DCON  1
+#define DCONSTAT_DISPLAYLOAD   2
+#define DCONSTAT_MISSED                3
+
+/* Source values */
+
+#define DCON_SOURCE_DCON        0
+#define DCON_SOURCE_CPU         1
+
+/* Interrupt */
+#define DCON_IRQ                6
+
+struct dcon_priv {
+       struct i2c_client *client;
+       struct fb_info *fbinfo;
+       struct backlight_device *bl_dev;
+
+       wait_queue_head_t waitq;
+       struct work_struct switch_source;
+       struct notifier_block reboot_nb;
+
+       /* Shadow register for the DCON_REG_MODE register */
+       u8 disp_mode;
+
+       /* The current backlight value - this saves us some smbus traffic */
+       u8 bl_val;
+
+       /* Current source, initialized at probe time */
+       int curr_src;
+
+       /* Desired source */
+       int pending_src;
+
+       /* Variables used during switches */
+       bool switched;
+       struct timespec irq_time;
+       struct timespec load_time;
+
+       /* Current output type; true == mono, false == color */
+       bool mono;
+       bool asleep;
+       /* This get set while controlling fb blank state from the driver */
+       bool ignore_fb_events;
+};
+
+struct dcon_platform_data {
+       int (*init)(struct dcon_priv *);
+       void (*bus_stabilize_wiggle)(void);
+       void (*set_dconload)(int);
+       int (*read_status)(u8 *);
+};
+
+#include <linux/interrupt.h>
+
+extern irqreturn_t dcon_interrupt(int irq, void *id);
+
+#ifdef CONFIG_FB_OLPC_DCON_1
+extern struct dcon_platform_data dcon_pdata_xo_1;
+#endif
+
+#ifdef CONFIG_FB_OLPC_DCON_1_5
+extern struct dcon_platform_data dcon_pdata_xo_1_5;
+#endif
+
+#endif