upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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233 lines
6.6 KiB
233 lines
6.6 KiB
/*
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* (C) Copyright 2010
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* Texas Instruments, <www.ti.com>
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* Syed Mohammed Khasim <khasim@ti.com>
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*
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* Referred to Linux Kernel DSS driver files for OMAP3 by
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* Tomi Valkeinen from drivers/video/omap2/dss/
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation's version 2 and any
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* later version the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#ifndef DSS_H
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#define DSS_H
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/* DSS Base Registers */
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#define OMAP3_DSS_BASE 0x48050000
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#define OMAP3_DISPC_BASE 0x48050400
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#define OMAP3_VENC_BASE 0x48050C00
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/* DSS Registers */
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struct dss_regs {
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u32 revision; /* 0x00 */
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u8 res1[12]; /* 0x04 */
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u32 sysconfig; /* 0x10 */
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u32 sysstatus; /* 0x14 */
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u32 irqstatus; /* 0x18 */
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u8 res2[36]; /* 0x1C */
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u32 control; /* 0x40 */
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u32 sdi_control; /* 0x44 */
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u32 pll_control; /* 0x48 */
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};
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/* DISPC Registers */
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struct dispc_regs {
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u32 revision; /* 0x00 */
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u8 res1[12]; /* 0x04 */
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u32 sysconfig; /* 0x10 */
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u32 sysstatus; /* 0x14 */
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u32 irqstatus; /* 0x18 */
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u32 irqenable; /* 0x1C */
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u8 res2[32]; /* 0x20 */
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u32 control; /* 0x40 */
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u32 config; /* 0x44 */
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u32 reserve_2; /* 0x48 */
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u32 default_color0; /* 0x4C */
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u32 default_color1; /* 0x50 */
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u32 trans_color0; /* 0x54 */
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u32 trans_color1; /* 0x58 */
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u32 line_status; /* 0x5C */
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u32 line_number; /* 0x60 */
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u32 timing_h; /* 0x64 */
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u32 timing_v; /* 0x68 */
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u32 pol_freq; /* 0x6C */
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u32 divisor; /* 0x70 */
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u32 global_alpha; /* 0x74 */
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u32 size_dig; /* 0x78 */
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u32 size_lcd; /* 0x7C */
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u32 gfx_ba0; /* 0x80 */
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u32 gfx_ba1; /* 0x84 */
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u32 gfx_position; /* 0x88 */
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u32 gfx_size; /* 0x8C */
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u8 unused[16]; /* 0x90 */
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u32 gfx_attributes; /* 0xA0 */
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u32 gfx_fifo_threshold; /* 0xA4 */
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u32 gfx_fifo_size_status; /* 0xA8 */
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u32 gfx_row_inc; /* 0xAC */
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u32 gfx_pixel_inc; /* 0xB0 */
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u32 gfx_window_skip; /* 0xB4 */
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u32 gfx_table_ba; /* 0xB8 */
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};
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/* VENC Registers */
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struct venc_regs {
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u32 rev_id; /* 0x00 */
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u32 status; /* 0x04 */
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u32 f_control; /* 0x08 */
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u32 reserve_1; /* 0x0C */
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u32 vidout_ctrl; /* 0x10 */
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u32 sync_ctrl; /* 0x14 */
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u32 reserve_2; /* 0x18 */
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u32 llen; /* 0x1C */
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u32 flens; /* 0x20 */
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u32 hfltr_ctrl; /* 0x24 */
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u32 cc_carr_wss_carr; /* 0x28 */
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u32 c_phase; /* 0x2C */
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u32 gain_u; /* 0x30 */
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u32 gain_v; /* 0x34 */
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u32 gain_y; /* 0x38 */
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u32 black_level; /* 0x3C */
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u32 blank_level; /* 0x40 */
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u32 x_color; /* 0x44 */
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u32 m_control; /* 0x48 */
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u32 bstamp_wss_data; /* 0x4C */
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u32 s_carr; /* 0x50 */
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u32 line21; /* 0x54 */
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u32 ln_sel; /* 0x58 */
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u32 l21__wc_ctl; /* 0x5C */
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u32 htrigger_vtrigger; /* 0x60 */
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u32 savid__eavid; /* 0x64 */
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u32 flen__fal; /* 0x68 */
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u32 lal__phase_reset; /* 0x6C */
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u32 hs_int_start_stop_x; /* 0x70 */
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u32 hs_ext_start_stop_x; /* 0x74 */
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u32 vs_int_start_x; /* 0x78 */
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u32 vs_int_stop_x__vs_int_start_y; /* 0x7C */
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u32 vs_int_stop_y__vs_ext_start_x; /* 0x80 */
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u32 vs_ext_stop_x__vs_ext_start_y; /* 0x84 */
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u32 vs_ext_stop_y; /* 0x88 */
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u32 reserve_3; /* 0x8C */
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u32 avid_start_stop_x; /* 0x90 */
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u32 avid_start_stop_y; /* 0x94 */
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u32 reserve_4; /* 0x98 */
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u32 reserve_5; /* 0x9C */
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u32 fid_int_start_x__fid_int_start_y; /* 0xA0 */
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u32 fid_int_offset_y__fid_ext_start_x; /* 0xA4 */
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u32 fid_ext_start_y__fid_ext_offset_y; /* 0xA8 */
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u32 reserve_6; /* 0xAC */
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u32 tvdetgp_int_start_stop_x; /* 0xB0 */
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u32 tvdetgp_int_start_stop_y; /* 0xB4 */
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u32 gen_ctrl; /* 0xB8 */
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u32 reserve_7; /* 0xBC */
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u32 reserve_8; /* 0xC0 */
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u32 output_control; /* 0xC4 */
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u32 dac_b__dac_c; /* 0xC8 */
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u32 height_width; /* 0xCC */
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};
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/* Few Register Offsets */
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#define TFTSTN_SHIFT 3
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#define DATALINES_SHIFT 8
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#define GFX_ENABLE 1
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#define GFX_FORMAT_SHIFT 1
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#define LOADMODE_SHIFT 1
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#define DSS_SOFTRESET (1 << 1)
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#define DSS_RESETDONE 1
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/* Enabling Display controller */
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#define LCD_ENABLE 1
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#define DIG_ENABLE (1 << 1)
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#define GO_LCD (1 << 5)
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#define GO_DIG (1 << 6)
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#define GP_OUT0 (1 << 15)
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#define GP_OUT1 (1 << 16)
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/* Configure VENC DSS Params */
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#define VENC_CLK_ENABLE (1 << 3)
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#define DAC_DEMEN (1 << 4)
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#define DAC_POWERDN (1 << 5)
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#define VENC_OUT_SEL (1 << 6)
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#define DIG_LPP_SHIFT 16
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/* LCD display type */
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#define PASSIVE_DISPLAY 0
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#define ACTIVE_DISPLAY 1
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/* TFTDATALINES */
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#define LCD_INTERFACE_12_BIT 0
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#define LCD_INTERFACE_16_BIT 1
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#define LCD_INTERFACE_18_BIT 2
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#define LCD_INTERFACE_24_BIT 3
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/* Polarity */
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#define DSS_IVS (1 << 12)
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#define DSS_IHS (1 << 13)
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#define DSS_IPC (1 << 14)
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#define DSS_IEO (1 << 15)
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#define DSS_ONOFF (1 << 17)
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/* GFX format */
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#define GFXFORMAT_BITMAP1 (0x0 << 1)
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#define GFXFORMAT_BITMAP2 (0x1 << 1)
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#define GFXFORMAT_BITMAP4 (0x2 << 1)
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#define GFXFORMAT_BITMAP8 (0x3 << 1)
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#define GFXFORMAT_RGB12 (0x4 << 1)
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#define GFXFORMAT_ARGB16 (0x5 << 1)
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#define GFXFORMAT_RGB16 (0x6 << 1)
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#define GFXFORMAT_RGB24_UNPACKED (0x8 << 1)
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#define GFXFORMAT_RGB24_PACKED (0x9 << 1)
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#define GFXFORMAT_ARGB32 (0xC << 1)
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#define GFXFORMAT_RGBA32 (0xD << 1)
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#define GFXFORMAT_RGBx32 (0xE << 1)
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/* Panel Configuration */
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struct panel_config {
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u32 timing_h;
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u32 timing_v;
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u32 pol_freq;
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u32 divisor;
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u32 lcd_size;
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u32 panel_type;
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u32 data_lines;
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u32 load_mode;
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u32 panel_color;
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u32 gfx_format;
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void *frame_buffer;
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};
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#define DSS_HBP(bp) (((bp) - 1) << 20)
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#define DSS_HFP(fp) (((fp) - 1) << 8)
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#define DSS_HSW(sw) ((sw) - 1)
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#define DSS_VBP(bp) ((bp) << 20)
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#define DSS_VFP(fp) ((fp) << 8)
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#define DSS_VSW(sw) ((sw) - 1)
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#define PANEL_TIMING_H(bp, fp, sw) (DSS_HBP(bp) | DSS_HFP(fp) | DSS_HSW(sw))
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#define PANEL_TIMING_V(bp, fp, sw) (DSS_VBP(bp) | DSS_VFP(fp) | DSS_VSW(sw))
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#define PANEL_LCD_SIZE(xres, yres) ((yres - 1) << 16 | (xres - 1))
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/* Generic DSS Functions */
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void omap3_dss_venc_config(const struct venc_regs *venc_cfg,
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u32 height, u32 width);
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void omap3_dss_panel_config(const struct panel_config *panel_cfg);
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void omap3_dss_enable(void);
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#endif /* DSS_H */
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