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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
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* GRUB is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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* GRUB 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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* You should have received a copy of the GNU General Public License
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* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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#define grub_video_render_target grub_video_fbrender_target
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#include <grub/types.h>
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#include <grub/misc.h>
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#include <grub/video.h>
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#include <grub/video_fb.h>
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#include "sm712_init.c"
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#define GRUB_SM712_TOTAL_MEMORY_SPACE 0x700400
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#define GRUB_SM712_REG_BASE 0x700000
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#define GRUB_SM712_PCIID 0x0712126f
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GRUB_SM712_SR_TV_CONTROL = 0x65,
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GRUB_SM712_SR_RAM_LUT = 0x66,
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GRUB_SM712_SR_CLOCK_CONTROL1 = 0x68,
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GRUB_SM712_SR_CLOCK_CONTROL2 = 0x69,
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GRUB_SM712_SR_VCLK_NUM = 0x6c,
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GRUB_SM712_SR_VCLK_DENOM = 0x6d,
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GRUB_SM712_SR_VCLK2_NUM = 0x6e,
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GRUB_SM712_SR_VCLK2_DENOM = 0x6f,
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GRUB_SM712_SR_POPUP_ICON_LOW = 0x80,
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GRUB_SM712_SR_POPUP_ICON_HIGH = 0x81,
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GRUB_SM712_SR_POPUP_ICON_CTRL = 0x82,
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GRUB_SM712_SR_POPUP_ICON_COLOR1 = 0x84,
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GRUB_SM712_SR_POPUP_ICON_COLOR2 = 0x85,
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GRUB_SM712_SR_POPUP_ICON_COLOR3 = 0x86,
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GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW = 0x88,
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GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH = 0x89,
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GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW = 0x8a,
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GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH = 0x8b,
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GRUB_SM712_SR_HW_CURSOR_FG_COLOR = 0x8c,
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GRUB_SM712_SR_HW_CURSOR_BG_COLOR = 0x8d,
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GRUB_SM712_SR_POPUP_ICON_X_LOW = 0x90,
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GRUB_SM712_SR_POPUP_ICON_X_HIGH = 0x91,
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GRUB_SM712_SR_POPUP_ICON_Y_LOW = 0x92,
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GRUB_SM712_SR_POPUP_ICON_Y_HIGH = 0x93,
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GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL = 0xa0,
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GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW = 0xa1,
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GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH = 0xa2,
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GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW = 0xa3,
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GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH = 0xa4,
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GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT = 0xa5,
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GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT = 0xa6,
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GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT = 0xa7,
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GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY = 0xa8,
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GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY = 0xa9,
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GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY = 0xaa,
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GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY = 0xab,
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GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY = 0xac,
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GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY = 0xad,
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GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR = 0xae,
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GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR = 0xaf,
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GRUB_SM712_SR_TV_CRT_SRAM = 0x00,
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GRUB_SM712_SR_TV_LCD_SRAM = 0x08
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GRUB_SM712_SR_TV_ALT_CLOCK = 0x00,
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GRUB_SM712_SR_TV_FREE_RUN_CLOCK = 0x04
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GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC = 0x00,
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GRUB_SM712_SR_TV_CLOCK_REFCLK_PAL = 0x04
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GRUB_SM712_SR_TV_HSYNC = 0x00,
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GRUB_SM712_SR_TV_COMPOSITE_HSYNC = 0x01
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GRUB_SM712_SR_RAM_LUT_NORMAL = 0,
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GRUB_SM712_SR_RAM_LUT_LCD_RAM_OFF = 0x80,
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GRUB_SM712_SR_RAM_LUT_CRT_RAM_OFF = 0x40,
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GRUB_SM712_SR_RAM_LUT_LCD_RAM_NO_WRITE = 0x20,
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GRUB_SM712_SR_RAM_LUT_CRT_RAM_NO_WRITE = 0x10,
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GRUB_SM712_SR_RAM_LUT_CRT_8BIT = 0x08,
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GRUB_SM712_SR_RAM_LUT_CRT_GAMMA = 0x04
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GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR = 0x40,
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GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK = 0x10,
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GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK = 0x03
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#define GRUB_SM712_SR_POPUP_ICON_HIGH_MASK 0x7
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#define GRUB_SM712_SR_POPUP_ICON_HIGH_HW_CURSOR_EN 0x80
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GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED = 0,
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GRUB_SM712_SR_POPUP_ICON_CTRL_ZOOM_ENABLED = 0x40,
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GRUB_SM712_SR_POPUP_ICON_CTRL_ENABLED = 0x80
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#define RGB332_BLACK 0
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#define RGB332_WHITE 0xff
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GRUB_SM712_CR_OVERFLOW_INTERLACE = 0x30,
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GRUB_SM712_CR_INTERLACE_RETRACE = 0x31,
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GRUB_SM712_CR_TV_VDISPLAY_START = 0x32,
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GRUB_SM712_CR_TV_VDISPLAY_END_HIGH = 0x33,
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GRUB_SM712_CR_TV_VDISPLAY_END_LOW = 0x34,
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GRUB_SM712_CR_DDA_CONTROL_LOW = 0x35,
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GRUB_SM712_CR_DDA_CONTROL_HIGH = 0x36,
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GRUB_SM712_CR_TV_EQUALIZER = 0x38,
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GRUB_SM712_CR_TV_SERRATION = 0x39,
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GRUB_SM712_CR_HSYNC_CTRL = 0x3a,
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GRUB_SM712_CR_DEBUG = 0x3c,
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GRUB_SM712_CR_SHADOW_VGA_HTOTAL = 0x40,
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GRUB_SM712_CR_SHADOW_VGA_HBLANK_START = 0x41,
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GRUB_SM712_CR_SHADOW_VGA_HBLANK_END = 0x42,
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GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START = 0x43,
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GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END = 0x44,
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GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL = 0x45,
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GRUB_SM712_CR_SHADOW_VGA_VBLANK_START = 0x46,
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GRUB_SM712_CR_SHADOW_VGA_VBLANK_END = 0x47,
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GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START = 0x48,
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GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END = 0x49,
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GRUB_SM712_CR_SHADOW_VGA_OVERFLOW = 0x4a,
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GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT = 0x4b,
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GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END = 0x4c,
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GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END = 0x4d,
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GRUB_SM712_CR_DDA_LOOKUP_REG3_START = 0x90,
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GRUB_SM712_CR_DDA_LOOKUP_REG2_START = 0x91,
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GRUB_SM712_CR_DDA_LOOKUP_REG1_START = 0xa0,
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GRUB_SM712_CR_VCENTERING_OFFSET = 0xa6,
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GRUB_SM712_CR_HCENTERING_OFFSET = 0xa7,
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#define GRUB_SM712_CR_DEBUG_NONE 0
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#define SM712_DDA_REG3_COMPARE_SHIFT 2
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#define SM712_DDA_REG3_COMPARE_MASK 0xfc
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#define SM712_DDA_REG3_DDA_SHIFT 8
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#define SM712_DDA_REG3_DDA_MASK 0x3
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#define SM712_DDA_REG2_DDA_MASK 0xff
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#define SM712_DDA_REG2_VCENTER_MASK 0x3f
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grub_uint8_t compare;
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grub_uint8_t vcentering;
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struct grub_video_mode_info mode_info;
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struct grub_video_render_target *render_target;
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grub_pci_device_t dev;
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grub_video_sm712_video_init (void)
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/* Reset frame buffer. */
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grub_memset (&framebuffer, 0, sizeof(framebuffer));
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return grub_video_fb_init ();
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grub_video_sm712_video_fini (void)
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if (framebuffer.mapped)
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grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr,
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GRUB_SM712_TOTAL_MEMORY_SPACE);
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return grub_video_fb_fini ();
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grub_sm712_write_reg (grub_uint8_t val, grub_uint16_t addr)
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printf (" {1, 0x%x, 0x%x},\n", addr, val);
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*(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
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static inline grub_uint8_t
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grub_sm712_read_reg (grub_uint16_t addr)
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printf (" {-1, 0x%x, 0x5},\n", addr);
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return *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
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static inline grub_uint8_t
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grub_sm712_sr_read (grub_uint8_t addr)
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grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
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return grub_sm712_read_reg (GRUB_VGA_IO_SR_DATA);
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grub_sm712_sr_write (grub_uint8_t val, grub_uint8_t addr)
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grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
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grub_sm712_write_reg (val, GRUB_VGA_IO_SR_DATA);
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grub_sm712_gr_write (grub_uint8_t val, grub_uint8_t addr)
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grub_sm712_write_reg (addr, GRUB_VGA_IO_GR_INDEX);
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grub_sm712_write_reg (val, GRUB_VGA_IO_GR_DATA);
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grub_sm712_cr_write (grub_uint8_t val, grub_uint8_t addr)
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grub_sm712_write_reg (addr, GRUB_VGA_IO_CR_INDEX);
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grub_sm712_write_reg (val, GRUB_VGA_IO_CR_DATA);
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grub_sm712_write_arx (grub_uint8_t val, grub_uint8_t addr)
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grub_sm712_read_reg (GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
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grub_sm712_write_reg (addr, GRUB_VGA_IO_ARX);
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grub_sm712_read_reg (GRUB_VGA_IO_ARX_READ);
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grub_sm712_write_reg (val, GRUB_VGA_IO_ARX);
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grub_sm712_cr_shadow_write (grub_uint8_t val, grub_uint8_t addr)
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grub_uint8_t mapping[] =
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[GRUB_VGA_CR_HTOTAL] = GRUB_SM712_CR_SHADOW_VGA_HTOTAL,
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[GRUB_VGA_CR_HORIZ_END] = 0xff,
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[GRUB_VGA_CR_HBLANK_START] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_START,
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[GRUB_VGA_CR_HBLANK_END] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_END,
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[GRUB_VGA_CR_HORIZ_SYNC_PULSE_START] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START,
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[GRUB_VGA_CR_HORIZ_SYNC_PULSE_END] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END,
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[GRUB_VGA_CR_VERT_TOTAL] = GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL,
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[GRUB_VGA_CR_OVERFLOW] = GRUB_SM712_CR_SHADOW_VGA_OVERFLOW,
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[GRUB_VGA_CR_BYTE_PANNING] = 0xff,
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[GRUB_VGA_CR_CELL_HEIGHT] = GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT,
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[GRUB_VGA_CR_CURSOR_START] = 0xff,
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[GRUB_VGA_CR_CURSOR_END] = 0xff,
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[GRUB_VGA_CR_START_ADDR_HIGH_REGISTER] = 0xff,
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[GRUB_VGA_CR_START_ADDR_LOW_REGISTER] = 0xff,
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[GRUB_VGA_CR_CURSOR_ADDR_HIGH] = 0xff,
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[GRUB_VGA_CR_CURSOR_ADDR_LOW] = 0xff,
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[GRUB_VGA_CR_VSYNC_START] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START,
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[GRUB_VGA_CR_VSYNC_END] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END,
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[GRUB_VGA_CR_VDISPLAY_END] = GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END,
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[GRUB_VGA_CR_PITCH] = GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END,
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[GRUB_VGA_CR_UNDERLINE_LOCATION] = 0xff,
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[GRUB_VGA_CR_VERTICAL_BLANK_START] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_START,
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[GRUB_VGA_CR_VERTICAL_BLANK_END] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_END,
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[GRUB_VGA_CR_MODE] = 0xff,
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[GRUB_VGA_CR_LINE_COMPARE] = 0xff
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if (addr >= ARRAY_SIZE (mapping) || mapping[addr] == 0xff)
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grub_sm712_cr_write (val, mapping[addr]);
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grub_sm712_write_dda_lookup (int idx, grub_uint8_t compare, grub_uint16_t dda,
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grub_uint8_t vcentering)
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grub_sm712_cr_write (((compare << SM712_DDA_REG3_COMPARE_SHIFT)
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& SM712_DDA_REG3_COMPARE_MASK)
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| ((dda >> SM712_DDA_REG3_DDA_SHIFT)
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& SM712_DDA_REG3_DDA_MASK),
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GRUB_SM712_CR_DDA_LOOKUP_REG3_START + 2 * idx);
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grub_sm712_cr_write (dda & SM712_DDA_REG2_DDA_MASK,
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GRUB_SM712_CR_DDA_LOOKUP_REG2_START + 2 * idx);
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grub_sm712_cr_write (vcentering & SM712_DDA_REG2_VCENTER_MASK,
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GRUB_SM712_CR_DDA_LOOKUP_REG1_START + idx);
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grub_video_sm712_setup (unsigned int width, unsigned int height,
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unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused)))
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auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)));
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int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
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grub_pci_address_t addr;
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
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class = grub_pci_read (addr);
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if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA
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|| pciid != GRUB_SM712_PCIID)
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addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
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framebuffer.base = grub_pci_read (addr);
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framebuffer.dev = dev;
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/* Decode depth from mode_type. If it is zero, then autodetect. */
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depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
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>> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
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if ((width != 1024 && width != 0) || (height != 600 && height != 0)
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|| (depth != 16 && depth != 0))
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return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
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"Only 1024x600x16 is supported");
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grub_pci_iterate (find_card);
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return grub_error (GRUB_ERR_IO, "Couldn't find graphics card");
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/* Fill mode info details. */
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framebuffer.mode_info.width = 1024;
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framebuffer.mode_info.height = 600;
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framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB;
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framebuffer.mode_info.bpp = 16;
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framebuffer.mode_info.bytes_per_pixel = 2;
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framebuffer.mode_info.pitch = 1024 * 2;
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framebuffer.mode_info.number_of_colors = 256;
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framebuffer.mode_info.red_mask_size = 5;
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framebuffer.mode_info.red_field_pos = 11;
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framebuffer.mode_info.green_mask_size = 6;
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framebuffer.mode_info.green_field_pos = 5;
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framebuffer.mode_info.blue_mask_size = 5;
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framebuffer.mode_info.blue_field_pos = 0;
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framebuffer.mode_info.reserved_mask_size = 0;
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framebuffer.mode_info.reserved_field_pos = 0;
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framebuffer.mode_info.blit_format
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= grub_video_get_blit_format (&framebuffer.mode_info);
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if (found && framebuffer.base == 0)
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grub_pci_address_t addr;
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/* FIXME: choose address dynamically if needed. */
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framebuffer.base = 0x04000000;
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addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG0);
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grub_pci_write (addr, framebuffer.base);
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addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_CACHELINE);
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grub_pci_write (addr, 0x8);
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/* Enable address spaces. */
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addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_COMMAND);
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grub_pci_write (addr, 0x7);
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/* We can safely discard volatile attribute. */
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= (void *) grub_pci_device_map_range (framebuffer.dev,
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GRUB_SM712_TOTAL_MEMORY_SPACE);
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framebuffer.mapped = 1;
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/* Initialise SM712. */
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grub_vga_sr_write (0x11, 0x18);
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/* Prevent garbage from appearing on the screen. */
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grub_memset (framebuffer.ptr, 0,
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framebuffer.mode_info.height * framebuffer.mode_info.pitch);
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grub_sm712_sr_write (0, 0x21);
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grub_sm712_sr_write (0x7a, 0x62);
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grub_sm712_sr_write (0x16, 0x6a);
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grub_sm712_sr_write (0x2, 0x6b);
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grub_sm712_write_reg (0, GRUB_VGA_IO_PIXEL_MASK);
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grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC, GRUB_VGA_SR_RESET);
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grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY
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| GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
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| GRUB_VGA_IO_MISC_UPPER_64K
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| GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0
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| GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
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| GRUB_VGA_IO_MISC_COLOR, GRUB_VGA_IO_MISC_WRITE);
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grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC | GRUB_VGA_SR_RESET_SYNC,
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grub_sm712_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
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GRUB_VGA_SR_CLOCKING_MODE);
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grub_sm712_sr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_SR_MAP_MASK_REGISTER);
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grub_sm712_sr_write (0, GRUB_VGA_SR_CHAR_MAP_SELECT);
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grub_sm712_sr_write (GRUB_VGA_SR_MEMORY_MODE_CHAIN4
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| GRUB_VGA_SR_MEMORY_MODE_SEQUENTIAL_ADDRESSING
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| GRUB_VGA_SR_MEMORY_MODE_EXTERNAL_VIDEO_MEMORY,
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GRUB_VGA_SR_MEMORY_MODE);
466
for (i = 0; i < ARRAY_SIZE (sm712_sr_seq1); i++)
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grub_sm712_sr_write (sm712_sr_seq1[i], 0x10 + i);
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for (i = 0; i < ARRAY_SIZE (sm712_sr_seq2); i++)
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grub_sm712_sr_write (sm712_sr_seq2[i], 0x30 + i);
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grub_sm712_sr_write (0x1a, 0x63);
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grub_sm712_sr_write (0x1a, 0x64);
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grub_sm712_sr_write (GRUB_SM712_SR_TV_CRT_SRAM | GRUB_SM712_SR_TV_ALT_CLOCK
478
| GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC
479
| GRUB_SM712_SR_TV_HSYNC,
480
GRUB_SM712_SR_TV_CONTROL);
482
grub_sm712_sr_write (GRUB_SM712_SR_RAM_LUT_NORMAL, GRUB_SM712_SR_RAM_LUT);
485
grub_sm712_sr_write (0x00, 0x67);
487
grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR
488
| GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK,
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GRUB_SM712_SR_CLOCK_CONTROL1);
490
grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK,
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GRUB_SM712_SR_CLOCK_CONTROL2);
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grub_sm712_sr_write (82, GRUB_SM712_SR_VCLK_NUM);
494
grub_sm712_sr_write (137, GRUB_SM712_SR_VCLK_DENOM);
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grub_sm712_sr_write (9, GRUB_SM712_SR_VCLK2_NUM);
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grub_sm712_sr_write (2, GRUB_SM712_SR_VCLK2_DENOM);
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grub_sm712_sr_write (0x04, 0x70);
501
grub_sm712_sr_write (0x45, 0x71);
503
grub_sm712_sr_write (0x30, 0x72);
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grub_sm712_sr_write (0x30, 0x73);
507
grub_sm712_sr_write (0x40, 0x74);
509
grub_sm712_sr_write (0x20, 0x75);
511
grub_sm712_sr_write (0xff, GRUB_SM712_SR_POPUP_ICON_LOW);
512
grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_HIGH_MASK,
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GRUB_SM712_SR_POPUP_ICON_HIGH);
514
grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED,
515
GRUB_SM712_SR_POPUP_ICON_CTRL);
517
grub_sm712_sr_write (0x0, 0x83);
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grub_sm712_sr_write (8, GRUB_SM712_SR_POPUP_ICON_COLOR1);
520
grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_COLOR2);
521
grub_sm712_sr_write (0x42, GRUB_SM712_SR_POPUP_ICON_COLOR3);
524
grub_sm712_sr_write (0x3a, 0x87);
526
/* Why theese coordinates? */
527
grub_sm712_sr_write (0x59, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW);
528
grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH);
529
grub_sm712_sr_write (0x44, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW);
530
grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH);
532
grub_sm712_sr_write (RGB332_BLACK, GRUB_SM712_SR_HW_CURSOR_FG_COLOR);
533
grub_sm712_sr_write (RGB332_WHITE, GRUB_SM712_SR_HW_CURSOR_BG_COLOR);
536
grub_sm712_sr_write (0x3a, 0x8e);
537
grub_sm712_sr_write (0x3a, 0x8f);
539
grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_LOW);
540
grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_HIGH);
541
grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_LOW);
542
grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_HIGH);
544
grub_sm712_sr_write (0, GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL);
545
grub_sm712_sr_write (0x10, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW);
546
grub_sm712_sr_write (0x08, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH);
547
grub_sm712_sr_write (0x00, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW);
548
grub_sm712_sr_write (0x02, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH);
549
grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT);
550
grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT);
551
grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT);
553
grub_sm712_sr_write (0x7b, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY);
554
grub_sm712_sr_write (0xfb, GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY);
555
grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY);
556
grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY);
557
/* Doesn't match documentation? */
558
grub_sm712_sr_write (0x97, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY);
559
grub_sm712_sr_write (0xef, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY);
561
grub_sm712_sr_write (0xbf, GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR);
562
grub_sm712_sr_write (0xdf, GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR);
564
grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE);
565
grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE_ENABLE);
566
grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_COLOR_COMPARE);
567
grub_sm712_gr_write (GRUB_VGA_GR_DATA_ROTATE_NOP, GRUB_VGA_GR_DATA_ROTATE);
568
grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_READ_MAP_REGISTER);
569
grub_sm712_gr_write (GRUB_VGA_GR_MODE_256_COLOR, GRUB_VGA_GR_MODE);
570
grub_sm712_gr_write (GRUB_VGA_GR_GR6_MMAP_A0
571
| GRUB_VGA_GR_GR6_GRAPHICS_MODE, GRUB_VGA_GR_GR6);
572
grub_sm712_gr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_GR_COLOR_COMPARE_DISABLE);
573
grub_sm712_gr_write (0xff, GRUB_VGA_GR_BITMASK);
575
/* Write palette mapping. */
576
for (i = 0; i < 16; i++)
577
grub_sm712_write_arx (i, i);
579
grub_sm712_write_arx (GRUB_VGA_ARX_MODE_ENABLE_256COLOR
580
| GRUB_VGA_ARX_MODE_GRAPHICS, GRUB_VGA_ARX_MODE);
581
grub_sm712_write_arx (0, GRUB_VGA_ARX_OVERSCAN);
582
grub_sm712_write_arx (GRUB_VGA_ALL_PLANES, GRUB_VGA_ARX_COLOR_PLANE_ENABLE);
583
grub_sm712_write_arx (0, GRUB_VGA_ARX_HORIZONTAL_PANNING);
584
grub_sm712_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT);
586
/* FIXME: compute this generically. */
588
struct grub_video_hw_config config =
590
.vertical_total = 806,
591
.vertical_blank_start = 0x300,
592
.vertical_blank_end = 0,
593
.vertical_sync_start = 0x303,
594
.vertical_sync_end = 0x9,
595
.line_compare = 0x3ff,
596
.vdisplay_end = 0x300,
598
.horizontal_total = 164,
599
.horizontal_end = 128,
600
.horizontal_blank_start = 128,
601
.horizontal_blank_end = 0,
602
.horizontal_sync_pulse_start = 133,
603
.horizontal_sync_pulse_end = 22
605
grub_vga_set_geometry (&config, grub_sm712_cr_write);
606
config.horizontal_sync_pulse_start = 134;
607
config.horizontal_sync_pulse_end = 21;
608
config.vertical_sync_start = 0x301;
609
config.vertical_sync_end = 0x0;
610
config.line_compare = 0x0ff;
611
config.vdisplay_end = 0x258;
613
grub_vga_set_geometry (&config, grub_sm712_cr_shadow_write);
616
grub_sm712_cr_write (GRUB_VGA_CR_BYTE_PANNING_NORMAL,
617
GRUB_VGA_CR_BYTE_PANNING);
618
grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_START);
619
grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_END);
620
grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
621
grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
622
grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_HIGH);
623
grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_LOW);
624
grub_sm712_cr_write (GRUB_VGA_CR_UNDERLINE_LOCATION_DWORD_MODE,
625
GRUB_VGA_CR_UNDERLINE_LOCATION);
626
grub_sm712_cr_write (GRUB_VGA_CR_MODE_ADDRESS_WRAP
627
| GRUB_VGA_CR_MODE_BYTE_MODE
628
| GRUB_VGA_CR_MODE_TIMING_ENABLE
629
| GRUB_VGA_CR_MODE_NO_CGA
630
| GRUB_VGA_CR_MODE_NO_HERCULES,
633
grub_sm712_cr_write (0, GRUB_SM712_CR_OVERFLOW_INTERLACE);
634
grub_sm712_cr_write (0, GRUB_SM712_CR_INTERLACE_RETRACE);
635
grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_START);
636
grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_HIGH);
637
grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_LOW);
638
grub_sm712_cr_write (0x80, GRUB_SM712_CR_DDA_CONTROL_LOW);
639
grub_sm712_cr_write (0x02, GRUB_SM712_CR_DDA_CONTROL_HIGH);
642
grub_sm712_cr_write (0x20, 0x37);
644
grub_sm712_cr_write (0, GRUB_SM712_CR_TV_EQUALIZER);
645
grub_sm712_cr_write (0, GRUB_SM712_CR_TV_SERRATION);
646
grub_sm712_cr_write (0, GRUB_SM712_CR_HSYNC_CTRL);
649
grub_sm712_cr_write (0x40, 0x3b);
651
grub_sm712_cr_write (GRUB_SM712_CR_DEBUG_NONE, GRUB_SM712_CR_DEBUG);
654
grub_sm712_cr_write (0xff, 0x3d);
655
grub_sm712_cr_write (0x46, 0x3e);
656
grub_sm712_cr_write (0x91, 0x3f);
658
for (i = 0; i < ARRAY_SIZE (dda_lookups); i++)
659
grub_sm712_write_dda_lookup (i, dda_lookups[i].compare, dda_lookups[i].dda,
660
dda_lookups[i].vcentering);
663
grub_sm712_cr_write (0, 0x9c);
664
grub_sm712_cr_write (0, 0x9d);
665
grub_sm712_cr_write (0, 0x9e);
666
grub_sm712_cr_write (0, 0x9f);
668
grub_sm712_cr_write (0, GRUB_SM712_CR_VCENTERING_OFFSET);
669
grub_sm712_cr_write (0, GRUB_SM712_CR_HCENTERING_OFFSET);
671
grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
672
| GRUB_VGA_IO_MISC_UPPER_64K
673
| GRUB_VGA_IO_MISC_28MHZ
674
| GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
675
| GRUB_VGA_IO_MISC_COLOR,
676
GRUB_VGA_IO_MISC_WRITE);
680
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c00c) = 0;
681
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c040) = 0;
682
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c000) = 0x20000;
683
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c010) = 0x1020100;
686
(void) grub_sm712_sr_read (0x16);
689
err = grub_video_fb_create_render_target_from_pointer (&framebuffer
691
&framebuffer.mode_info,
697
err = grub_video_fb_set_active_render_target (framebuffer.render_target);
702
/* Copy default palette to initialize emulated palette. */
703
err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
704
grub_video_fbstd_colors);
712
grub_video_sm712_swap_buffers (void)
714
/* TODO: Implement buffer swapping. */
715
return GRUB_ERR_NONE;
719
grub_video_sm712_set_active_render_target (struct grub_video_render_target *target)
721
if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
722
target = framebuffer.render_target;
724
return grub_video_fb_set_active_render_target (target);
728
grub_video_sm712_get_info_and_fini (struct grub_video_mode_info *mode_info,
731
grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info));
732
*framebuf = (char *) framebuffer.ptr;
734
grub_video_fb_fini ();
736
return GRUB_ERR_NONE;
739
static struct grub_video_adapter grub_video_sm712_adapter =
741
.name = "SM712 Video Driver",
742
.id = GRUB_VIDEO_DRIVER_SM712,
744
.prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
746
.init = grub_video_sm712_video_init,
747
.fini = grub_video_sm712_video_fini,
748
.setup = grub_video_sm712_setup,
749
.get_info = grub_video_fb_get_info,
750
.get_info_and_fini = grub_video_sm712_get_info_and_fini,
751
.set_palette = grub_video_fb_set_palette,
752
.get_palette = grub_video_fb_get_palette,
753
.set_viewport = grub_video_fb_set_viewport,
754
.get_viewport = grub_video_fb_get_viewport,
755
.map_color = grub_video_fb_map_color,
756
.map_rgb = grub_video_fb_map_rgb,
757
.map_rgba = grub_video_fb_map_rgba,
758
.unmap_color = grub_video_fb_unmap_color,
759
.fill_rect = grub_video_fb_fill_rect,
760
.blit_bitmap = grub_video_fb_blit_bitmap,
761
.blit_render_target = grub_video_fb_blit_render_target,
762
.scroll = grub_video_fb_scroll,
763
.swap_buffers = grub_video_sm712_swap_buffers,
764
.create_render_target = grub_video_fb_create_render_target,
765
.delete_render_target = grub_video_fb_delete_render_target,
766
.set_active_render_target = grub_video_sm712_set_active_render_target,
767
.get_active_render_target = grub_video_fb_get_active_render_target,
772
GRUB_MOD_INIT(video_sm712)
774
grub_video_register (&grub_video_sm712_adapter);
777
GRUB_MOD_FINI(video_sm712)
779
grub_video_unregister (&grub_video_sm712_adapter);
785
grub_video_sm712_setup (1024, 600, 0, 0);