/* * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved. * * Freescale DIU Frame Buffer device driver * * Authors: Hongjun Chen <hong-jun.chen@freescale.com> * Paul Widmer <paul.widmer@freescale.com> * Srikanth Srinivasan <srikanth.srinivasan@freescale.com> * York Sun <yorksun@freescale.com> * * Based on imxfb.c Copyright (C) 2004 S.Hauer, Pengutronix * * 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. * */ #ifndef __FSL_DIU_FB_H__ #define __FSL_DIU_FB_H__ /* Arbitrary threshold to determine the allocation method * See mpc8610fb_set_par(), map_video_memory(), and unmap_video_memory() */ #define MEM_ALLOC_THRESHOLD (1024*768*4+32) /* Minimum value that the pixel clock can be set to in pico seconds * This is determined by platform clock/3 where the minimum platform * clock is 533MHz. This gives 5629 pico seconds. */ #define MIN_PIX_CLK 5629 #define MAX_PIX_CLK 96096 #include <linux/types.h> struct mfb_alpha { int enable; int alpha; }; struct mfb_chroma_key { int enable; __u8 red_max; __u8 green_max; __u8 blue_max; __u8 red_min; __u8 green_min; __u8 blue_min; }; struct aoi_display_offset { int x_aoi_d; int y_aoi_d; }; #define MFB_SET_CHROMA_KEY _IOW('M', 1, struct mfb_chroma_key) #define MFB_WAIT_FOR_VSYNC _IOW('F', 0x20, u_int32_t) #define MFB_SET_BRIGHTNESS _IOW('M', 3, __u8) #define MFB_SET_ALPHA 0x80014d00 #define MFB_GET_ALPHA 0x40014d00 #define MFB_SET_AOID 0x80084d04 #define MFB_GET_AOID 0x40084d04 #define MFB_SET_PIXFMT 0x80014d08 #define MFB_GET_PIXFMT 0x40014d08 #define FBIOGET_GWINFO 0x46E0 #define FBIOPUT_GWINFO 0x46E1 #ifdef __KERNEL__ #include <linux/spinlock.h> /* * These are the fields of area descriptor(in DDR memory) for every plane */ struct diu_ad { /* Word 0(32-bit) in DDR memory */ /* __u16 comp; */ /* __u16 pixel_s:2; */ /* __u16 pallete:1; */ /* __u16 red_c:2; */ /* __u16 green_c:2; */ /* __u16 blue_c:2; */ /* __u16 alpha_c:3; */ /* __u16 byte_f:1; */ /* __u16 res0:3; */ __be32 pix_fmt; /* hard coding pixel format */ /* Word 1(32-bit) in DDR memory */ __le32 addr; /* Word 2(32-bit) in DDR memory */ /* __u32 delta_xs:11; */ /* __u32 res1:1; */ /* __u32 delta_ys:11; */ /* __u32 res2:1; */ /* __u32 g_alpha:8; */ __le32 src_size_g_alpha; /* Word 3(32-bit) in DDR memory */ /* __u32 delta_xi:11; */ /* __u32 res3:5; */ /* __u32 delta_yi:11; */ /* __u32 res4:3; */ /* __u32 flip:2; */ __le32 aoi_size; /* Word 4(32-bit) in DDR memory */ /*__u32 offset_xi:11; __u32 res5:5; __u32 offset_yi:11; __u32 res6:5; */ __le32 offset_xyi; /* Word 5(32-bit) in DDR memory */ /*__u32 offset_xd:11; __u32 res7:5; __u32 offset_yd:11; __u32 res8:5; */ __le32 offset_xyd; /* Word 6(32-bit) in DDR memory */ __u8 ckmax_r; __u8 ckmax_g; __u8 ckmax_b; __u8 res9; /* Word 7(32-bit) in DDR memory */ __u8 ckmin_r; __u8 ckmin_g; __u8 ckmin_b; __u8 res10; /* __u32 res10:8; */ /* Word 8(32-bit) in DDR memory */ __le32 next_ad; /* Word 9(32-bit) in DDR memory, just for 64-bit aligned */ __u32 paddr; } __attribute__ ((packed)); /* DIU register map */ struct diu { __be32 desc[3]; __be32 gamma; __be32 pallete; __be32 cursor; __be32 curs_pos; __be32 diu_mode; __be32 bgnd; __be32 bgnd_wb; __be32 disp_size; __be32 wb_size; __be32 wb_mem_addr; __be32 hsyn_para; __be32 vsyn_para; __be32 syn_pol; __be32 thresholds; __be32 int_status; __be32 int_mask; __be32 colorbar[8]; __be32 filling; __be32 plut; } __attribute__ ((packed)); struct diu_hw { struct diu *diu_reg; spinlock_t reg_lock; __u32 mode; /* DIU operation mode */ }; struct diu_addr { __u8 __iomem *vaddr; /* Virtual address */ dma_addr_t paddr; /* Physical address */ __u32 offset; }; struct diu_pool { struct diu_addr ad; struct diu_addr gamma; struct diu_addr pallete; struct diu_addr cursor; }; #define FSL_DIU_BASE_OFFSET 0x2C000 /* Offset of DIU */ #define INT_LCDC 64 /* DIU interrupt number */ #define FSL_AOI_NUM 6 /* 5 AOIs and one dummy AOI */ /* 1 for plane 0, 2 for plane 1&2 each */ /* Minimum X and Y resolutions */ #define MIN_XRES 64 #define MIN_YRES 64 /* HW cursor parameters */ #define MAX_CURS 32 /* Modes of operation of DIU */ #define MFB_MODE0 0 /* DIU off */ #define MFB_MODE1 1 /* All three planes output to display */ #define MFB_MODE2 2 /* Plane 1 to display, planes 2+3 written back*/ #define MFB_MODE3 3 /* All three planes written back to memory */ #define MFB_MODE4 4 /* Color bar generation */ /* INT_STATUS/INT_MASK field descriptions */ #define INT_VSYNC 0x01 /* Vsync interrupt */ #define INT_VSYNC_WB 0x02 /* Vsync interrupt for write back operation */ #define INT_UNDRUN 0x04 /* Under run exception interrupt */ #define INT_PARERR 0x08 /* Display parameters error interrupt */ #define INT_LS_BF_VS 0x10 /* Lines before vsync. interrupt */ /* Panels'operation modes */ #define MFB_TYPE_OUTPUT 0 /* Panel output to display */ #define MFB_TYPE_OFF 1 /* Panel off */ #define MFB_TYPE_WB 2 /* Panel written back to memory */ #define MFB_TYPE_TEST 3 /* Panel generate color bar */ #endif /* __KERNEL__ */ #endif /* __FSL_DIU_FB_H__ */