diff options
Diffstat (limited to 'drivers/staging/olpc_dcon/olpc_dcon.h')
| -rw-r--r-- | drivers/staging/olpc_dcon/olpc_dcon.h | 63 |
1 files changed, 55 insertions, 8 deletions
diff --git a/drivers/staging/olpc_dcon/olpc_dcon.h b/drivers/staging/olpc_dcon/olpc_dcon.h index e566d21..0264c94 100644 --- a/drivers/staging/olpc_dcon/olpc_dcon.h +++ b/drivers/staging/olpc_dcon/olpc_dcon.h @@ -1,6 +1,9 @@ #ifndef OLPC_DCON_H_ #define OLPC_DCON_H_ +#include <linux/notifier.h> +#include <linux/workqueue.h> + /* DCON registers */ #define DCON_REG_ID 0 @@ -41,15 +44,59 @@ #define DCON_SOURCE_DCON 0 #define DCON_SOURCE_CPU 1 -/* Output values */ -#define DCON_OUTPUT_COLOR 0 -#define DCON_OUTPUT_MONO 1 - -/* Sleep values */ -#define DCON_ACTIVE 0 -#define DCON_SLEEP 1 - /* Interrupt */ #define DCON_IRQ 6 +struct dcon_priv { + struct i2c_client *client; + struct fb_info *fbinfo; + struct backlight_device *bl_dev; + + struct work_struct switch_source; + struct notifier_block reboot_nb; + struct notifier_block fbevent_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); + u8 (*read_status)(void); +}; + +#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 |