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ENGR00124814-1 fb: Add i.MX EPDC fb driver

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Added basic EPDC driver, including support for PXP conversions (rotation,
auto-waveform selection, CSC).  Self-clock gating also supported.

Signed-off-by: Danny Nold <dannynold@freescale.com>
This commit is contained in:
Danny Nold
2010-07-09 11:07:11 -05:00
committed by Matt Sealey
parent 9c91622d90
commit ff97ec543b
5 changed files with 3437 additions and 7 deletions
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64
include/linux/mxcfb.h
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@@ -58,6 +58,56 @@ struct mxcfb_gamma {
int slopek[16];
};
struct mxcfb_rect {
__u32 top;
__u32 left;
__u32 width;
__u32 height;
};
#define GRAYSCALE_8BIT 0x1
#define GRAYSCALE_8BIT_INVERTED 0x2
#define AUTO_UPDATE_MODE_REGION_MODE 0
#define AUTO_UPDATE_MODE_AUTOMATIC_MODE 1
#define UPDATE_MODE_PARTIAL 0x0
#define UPDATE_MODE_FULL 0x1
#define WAVEFORM_MODE_AUTO 257
#define TEMP_USE_AMBIENT 0x1000
struct mxcfb_alt_buffer_data {
__u32 phys_addr;
__u32 width; /* width of entire buffer */
__u32 height; /* height of entire buffer */
struct mxcfb_rect alt_update_region; /* region within buffer to update */
};
struct mxcfb_update_data {
struct mxcfb_rect update_region;
__u32 waveform_mode;
__u32 update_mode;
__u32 update_marker;
int temp;
int use_alt_buffer;
struct mxcfb_alt_buffer_data alt_buffer_data;
};
/*
* Structure used to define waveform modes for driver
* Needed for driver to perform auto-waveform selection
*/
struct mxcfb_waveform_modes {
int mode_init;
int mode_du;
int mode_gc4;
int mode_gc8;
int mode_gc16;
int mode_gc32;
};
#define MXCFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t)
#define MXCFB_SET_GBL_ALPHA _IOW('F', 0x21, struct mxcfb_gbl_alpha)
#define MXCFB_SET_CLR_KEY _IOW('F', 0x22, struct mxcfb_color_key)
@@ -69,6 +119,13 @@ struct mxcfb_gamma {
#define MXCFB_GET_FB_IPU_DI _IOR('F', 0x29, u_int32_t)
#define MXCFB_GET_DIFMT _IOR('F', 0x2A, u_int32_t)
/* IOCTLs for E-ink panel updates */
#define MXCFB_SET_WAVEFORM_MODES _IOW('F', 0x2B, struct mxcfb_waveform_modes)
#define MXCFB_SET_TEMPERATURE _IOW('F', 0x2C, int32_t)
#define MXCFB_SET_AUTO_UPDATE_MODE _IOW('F', 0x2D, __u32)
#define MXCFB_SEND_UPDATE _IOW('F', 0x2E, struct mxcfb_update_data)
#define MXCFB_WAIT_FOR_UPDATE_COMPLETE _IOW('F', 0x2F, __u32)
#ifdef __KERNEL__
extern struct fb_videomode mxcfb_modedb[];
@@ -80,13 +137,6 @@ enum {
MXCFB_REFRESH_PARTIAL,
};
struct mxcfb_rect {
u32 top;
u32 left;
u32 width;
u32 height;
};
int mxcfb_set_refresh_mode(struct fb_info *fbi, int mode,
struct mxcfb_rect *update_region);