2N/A/*
2N/A * GRUB -- GRand Unified Bootloader
2N/A * Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
2N/A *
2N/A * GRUB is free software: you can redistribute it and/or modify
2N/A * it under the terms of the GNU General Public License as published by
2N/A * the Free Software Foundation, either version 3 of the License, or
2N/A * (at your option) any later version.
2N/A *
2N/A * GRUB is distributed in the hope that it will be useful,
2N/A * but WITHOUT ANY WARRANTY; without even the implied warranty of
2N/A * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
2N/A * GNU General Public License for more details.
2N/A *
2N/A * You should have received a copy of the GNU General Public License
2N/A * along with GRUB. If not, see <http://www.gnu.org/licenses/>.
2N/A */
2N/A
2N/A#define grub_video_render_target grub_video_fbrender_target
2N/A
2N/A#include <grub/err.h>
2N/A#include <grub/types.h>
2N/A#include <grub/dl.h>
2N/A#include <grub/misc.h>
2N/A#include <grub/mm.h>
2N/A#include <grub/video.h>
2N/A#include <grub/video_fb.h>
2N/A#include <grub/pci.h>
2N/A#include <grub/vga.h>
2N/A
2N/A#include "sm712_init.c"
2N/A
2N/A#define GRUB_SM712_TOTAL_MEMORY_SPACE 0x700400
2N/A#define GRUB_SM712_REG_BASE 0x700000
2N/A#define GRUB_SM712_PCIID 0x0712126f
2N/A
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_TV_CONTROL = 0x65,
2N/A GRUB_SM712_SR_RAM_LUT = 0x66,
2N/A GRUB_SM712_SR_CLOCK_CONTROL1 = 0x68,
2N/A GRUB_SM712_SR_CLOCK_CONTROL2 = 0x69,
2N/A GRUB_SM712_SR_VCLK_NUM = 0x6c,
2N/A GRUB_SM712_SR_VCLK_DENOM = 0x6d,
2N/A GRUB_SM712_SR_VCLK2_NUM = 0x6e,
2N/A GRUB_SM712_SR_VCLK2_DENOM = 0x6f,
2N/A GRUB_SM712_SR_POPUP_ICON_LOW = 0x80,
2N/A GRUB_SM712_SR_POPUP_ICON_HIGH = 0x81,
2N/A GRUB_SM712_SR_POPUP_ICON_CTRL = 0x82,
2N/A GRUB_SM712_SR_POPUP_ICON_COLOR1 = 0x84,
2N/A GRUB_SM712_SR_POPUP_ICON_COLOR2 = 0x85,
2N/A GRUB_SM712_SR_POPUP_ICON_COLOR3 = 0x86,
2N/A
2N/A GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW = 0x88,
2N/A GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH = 0x89,
2N/A GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW = 0x8a,
2N/A GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH = 0x8b,
2N/A GRUB_SM712_SR_HW_CURSOR_FG_COLOR = 0x8c,
2N/A GRUB_SM712_SR_HW_CURSOR_BG_COLOR = 0x8d,
2N/A
2N/A GRUB_SM712_SR_POPUP_ICON_X_LOW = 0x90,
2N/A GRUB_SM712_SR_POPUP_ICON_X_HIGH = 0x91,
2N/A GRUB_SM712_SR_POPUP_ICON_Y_LOW = 0x92,
2N/A GRUB_SM712_SR_POPUP_ICON_Y_HIGH = 0x93,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL = 0xa0,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW = 0xa1,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH = 0xa2,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW = 0xa3,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH = 0xa4,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT = 0xa5,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT = 0xa6,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT = 0xa7,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY = 0xa8,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY = 0xa9,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY = 0xaa,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY = 0xab,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY = 0xac,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY = 0xad,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR = 0xae,
2N/A GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR = 0xaf,
2N/A };
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_TV_CRT_SRAM = 0x00,
2N/A GRUB_SM712_SR_TV_LCD_SRAM = 0x08
2N/A };
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_TV_ALT_CLOCK = 0x00,
2N/A GRUB_SM712_SR_TV_FREE_RUN_CLOCK = 0x04
2N/A };
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC = 0x00,
2N/A GRUB_SM712_SR_TV_CLOCK_REFCLK_PAL = 0x04
2N/A };
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_TV_HSYNC = 0x00,
2N/A GRUB_SM712_SR_TV_COMPOSITE_HSYNC = 0x01
2N/A };
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_RAM_LUT_NORMAL = 0,
2N/A GRUB_SM712_SR_RAM_LUT_LCD_RAM_OFF = 0x80,
2N/A GRUB_SM712_SR_RAM_LUT_CRT_RAM_OFF = 0x40,
2N/A GRUB_SM712_SR_RAM_LUT_LCD_RAM_NO_WRITE = 0x20,
2N/A GRUB_SM712_SR_RAM_LUT_CRT_RAM_NO_WRITE = 0x10,
2N/A GRUB_SM712_SR_RAM_LUT_CRT_8BIT = 0x08,
2N/A GRUB_SM712_SR_RAM_LUT_CRT_GAMMA = 0x04
2N/A };
2N/A
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR = 0x40,
2N/A GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK = 0x10,
2N/A };
2N/A
2N/Aenum
2N/A {
2N/A GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK = 0x03
2N/A };
2N/A
2N/A#define GRUB_SM712_SR_POPUP_ICON_HIGH_MASK 0x7
2N/A#define GRUB_SM712_SR_POPUP_ICON_HIGH_HW_CURSOR_EN 0x80
2N/A enum
2N/A {
2N/A GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED = 0,
2N/A GRUB_SM712_SR_POPUP_ICON_CTRL_ZOOM_ENABLED = 0x40,
2N/A GRUB_SM712_SR_POPUP_ICON_CTRL_ENABLED = 0x80
2N/A };
2N/A#define RGB332_BLACK 0
2N/A#define RGB332_WHITE 0xff
2N/A
2N/A enum
2N/A {
2N/A GRUB_SM712_CR_OVERFLOW_INTERLACE = 0x30,
2N/A GRUB_SM712_CR_INTERLACE_RETRACE = 0x31,
2N/A GRUB_SM712_CR_TV_VDISPLAY_START = 0x32,
2N/A GRUB_SM712_CR_TV_VDISPLAY_END_HIGH = 0x33,
2N/A GRUB_SM712_CR_TV_VDISPLAY_END_LOW = 0x34,
2N/A GRUB_SM712_CR_DDA_CONTROL_LOW = 0x35,
2N/A GRUB_SM712_CR_DDA_CONTROL_HIGH = 0x36,
2N/A GRUB_SM712_CR_TV_EQUALIZER = 0x38,
2N/A GRUB_SM712_CR_TV_SERRATION = 0x39,
2N/A GRUB_SM712_CR_HSYNC_CTRL = 0x3a,
2N/A GRUB_SM712_CR_DEBUG = 0x3c,
2N/A GRUB_SM712_CR_SHADOW_VGA_HTOTAL = 0x40,
2N/A GRUB_SM712_CR_SHADOW_VGA_HBLANK_START = 0x41,
2N/A GRUB_SM712_CR_SHADOW_VGA_HBLANK_END = 0x42,
2N/A GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START = 0x43,
2N/A GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END = 0x44,
2N/A GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL = 0x45,
2N/A GRUB_SM712_CR_SHADOW_VGA_VBLANK_START = 0x46,
2N/A GRUB_SM712_CR_SHADOW_VGA_VBLANK_END = 0x47,
2N/A GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START = 0x48,
2N/A GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END = 0x49,
2N/A GRUB_SM712_CR_SHADOW_VGA_OVERFLOW = 0x4a,
2N/A GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT = 0x4b,
2N/A GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END = 0x4c,
2N/A GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END = 0x4d,
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG3_START = 0x90,
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG2_START = 0x91,
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG1_START = 0xa0,
2N/A GRUB_SM712_CR_VCENTERING_OFFSET = 0xa6,
2N/A GRUB_SM712_CR_HCENTERING_OFFSET = 0xa7,
2N/A };
2N/A
2N/A#define GRUB_SM712_CR_DEBUG_NONE 0
2N/A
2N/A#define SM712_DDA_REG3_COMPARE_SHIFT 2
2N/A#define SM712_DDA_REG3_COMPARE_MASK 0xfc
2N/A#define SM712_DDA_REG3_DDA_SHIFT 8
2N/A#define SM712_DDA_REG3_DDA_MASK 0x3
2N/A#define SM712_DDA_REG2_DDA_MASK 0xff
2N/A#define SM712_DDA_REG2_VCENTER_MASK 0x3f
2N/A
2N/Astatic struct
2N/A{
2N/A grub_uint8_t compare;
2N/A grub_uint16_t dda;
2N/A grub_uint8_t vcentering;
2N/A} dda_lookups[] = {
2N/A { 21, 469, 2},
2N/A { 23, 477, 2},
2N/A { 33, 535, 2},
2N/A { 35, 682, 21},
2N/A { 34, 675, 2},
2N/A { 55, 683, 6},
2N/A};
2N/A
2N/Astatic struct
2N/A{
2N/A struct grub_video_mode_info mode_info;
2N/A struct grub_video_render_target *render_target;
2N/A
2N/A grub_uint8_t *ptr;
2N/A int mapped;
2N/A grub_uint32_t base;
2N/A grub_pci_device_t dev;
2N/A} framebuffer;
2N/A
2N/A#ifndef TEST
2N/Astatic grub_err_t
2N/Agrub_video_sm712_video_init (void)
2N/A{
2N/A /* Reset frame buffer. */
2N/A grub_memset (&framebuffer, 0, sizeof(framebuffer));
2N/A
2N/A return grub_video_fb_init ();
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sm712_video_fini (void)
2N/A{
2N/A if (framebuffer.mapped)
2N/A grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr,
2N/A GRUB_SM712_TOTAL_MEMORY_SPACE);
2N/A
2N/A return grub_video_fb_fini ();
2N/A}
2N/A#endif
2N/A
2N/Astatic inline void
2N/Agrub_sm712_write_reg (grub_uint8_t val, grub_uint16_t addr)
2N/A{
2N/A#ifdef TEST
2N/A printf (" {1, 0x%x, 0x%x},\n", addr, val);
2N/A#else
2N/A *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
2N/A + addr) = val;
2N/A#endif
2N/A}
2N/A
2N/Astatic inline grub_uint8_t
2N/Agrub_sm712_read_reg (grub_uint16_t addr)
2N/A{
2N/A#ifdef TEST
2N/A printf (" {-1, 0x%x, 0x5},\n", addr);
2N/A#else
2N/A return *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
2N/A + addr);
2N/A#endif
2N/A}
2N/A
2N/Astatic inline grub_uint8_t
2N/Agrub_sm712_sr_read (grub_uint8_t addr)
2N/A{
2N/A grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
2N/A return grub_sm712_read_reg (GRUB_VGA_IO_SR_DATA);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_sr_write (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
2N/A grub_sm712_write_reg (val, GRUB_VGA_IO_SR_DATA);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_gr_write (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_sm712_write_reg (addr, GRUB_VGA_IO_GR_INDEX);
2N/A grub_sm712_write_reg (val, GRUB_VGA_IO_GR_DATA);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_cr_write (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_sm712_write_reg (addr, GRUB_VGA_IO_CR_INDEX);
2N/A grub_sm712_write_reg (val, GRUB_VGA_IO_CR_DATA);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_write_arx (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_sm712_read_reg (GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
2N/A grub_sm712_write_reg (addr, GRUB_VGA_IO_ARX);
2N/A grub_sm712_read_reg (GRUB_VGA_IO_ARX_READ);
2N/A grub_sm712_write_reg (val, GRUB_VGA_IO_ARX);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_cr_shadow_write (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_uint8_t mapping[] =
2N/A {
2N/A [GRUB_VGA_CR_HTOTAL] = GRUB_SM712_CR_SHADOW_VGA_HTOTAL,
2N/A [GRUB_VGA_CR_HORIZ_END] = 0xff,
2N/A [GRUB_VGA_CR_HBLANK_START] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_START,
2N/A [GRUB_VGA_CR_HBLANK_END] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_END,
2N/A [GRUB_VGA_CR_HORIZ_SYNC_PULSE_START] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START,
2N/A [GRUB_VGA_CR_HORIZ_SYNC_PULSE_END] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END,
2N/A [GRUB_VGA_CR_VERT_TOTAL] = GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL,
2N/A [GRUB_VGA_CR_OVERFLOW] = GRUB_SM712_CR_SHADOW_VGA_OVERFLOW,
2N/A [GRUB_VGA_CR_BYTE_PANNING] = 0xff,
2N/A [GRUB_VGA_CR_CELL_HEIGHT] = GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT,
2N/A [GRUB_VGA_CR_CURSOR_START] = 0xff,
2N/A [GRUB_VGA_CR_CURSOR_END] = 0xff,
2N/A [GRUB_VGA_CR_START_ADDR_HIGH_REGISTER] = 0xff,
2N/A [GRUB_VGA_CR_START_ADDR_LOW_REGISTER] = 0xff,
2N/A [GRUB_VGA_CR_CURSOR_ADDR_HIGH] = 0xff,
2N/A [GRUB_VGA_CR_CURSOR_ADDR_LOW] = 0xff,
2N/A [GRUB_VGA_CR_VSYNC_START] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START,
2N/A [GRUB_VGA_CR_VSYNC_END] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END,
2N/A [GRUB_VGA_CR_VDISPLAY_END] = GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END,
2N/A [GRUB_VGA_CR_PITCH] = GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END,
2N/A [GRUB_VGA_CR_UNDERLINE_LOCATION] = 0xff,
2N/A
2N/A [GRUB_VGA_CR_VERTICAL_BLANK_START] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_START,
2N/A [GRUB_VGA_CR_VERTICAL_BLANK_END] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_END,
2N/A [GRUB_VGA_CR_MODE] = 0xff,
2N/A [GRUB_VGA_CR_LINE_COMPARE] = 0xff
2N/A };
2N/A if (addr >= ARRAY_SIZE (mapping) || mapping[addr] == 0xff)
2N/A return;
2N/A grub_sm712_cr_write (val, mapping[addr]);
2N/A}
2N/A
2N/Astatic inline void
2N/Agrub_sm712_write_dda_lookup (int idx, grub_uint8_t compare, grub_uint16_t dda,
2N/A grub_uint8_t vcentering)
2N/A{
2N/A grub_sm712_cr_write (((compare << SM712_DDA_REG3_COMPARE_SHIFT)
2N/A & SM712_DDA_REG3_COMPARE_MASK)
2N/A | ((dda >> SM712_DDA_REG3_DDA_SHIFT)
2N/A & SM712_DDA_REG3_DDA_MASK),
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG3_START + 2 * idx);
2N/A grub_sm712_cr_write (dda & SM712_DDA_REG2_DDA_MASK,
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG2_START + 2 * idx);
2N/A grub_sm712_cr_write (vcentering & SM712_DDA_REG2_VCENTER_MASK,
2N/A GRUB_SM712_CR_DDA_LOOKUP_REG1_START + idx);
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sm712_setup (unsigned int width, unsigned int height,
2N/A unsigned int mode_type, unsigned int mode_mask __attribute__ ((unused)))
2N/A{
2N/A int depth;
2N/A grub_err_t err;
2N/A int found = 0;
2N/A unsigned i;
2N/A
2N/A#ifndef TEST
2N/A auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)));
2N/A int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
2N/A {
2N/A grub_pci_address_t addr;
2N/A grub_uint32_t class;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
2N/A class = grub_pci_read (addr);
2N/A
2N/A if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA
2N/A || pciid != GRUB_SM712_PCIID)
2N/A return 0;
2N/A
2N/A found = 1;
2N/A
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0);
2N/A framebuffer.base = grub_pci_read (addr);
2N/A framebuffer.dev = dev;
2N/A
2N/A return 1;
2N/A }
2N/A
2N/A /* Decode depth from mode_type. If it is zero, then autodetect. */
2N/A depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK)
2N/A >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS;
2N/A
2N/A if ((width != 1024 && width != 0) || (height != 600 && height != 0)
2N/A || (depth != 16 && depth != 0))
2N/A return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
2N/A "Only 1024x600x16 is supported");
2N/A
2N/A grub_pci_iterate (find_card);
2N/A if (!found)
2N/A return grub_error (GRUB_ERR_IO, "Couldn't find graphics card");
2N/A#endif
2N/A /* Fill mode info details. */
2N/A framebuffer.mode_info.width = 1024;
2N/A framebuffer.mode_info.height = 600;
2N/A framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_RGB;
2N/A framebuffer.mode_info.bpp = 16;
2N/A framebuffer.mode_info.bytes_per_pixel = 2;
2N/A framebuffer.mode_info.pitch = 1024 * 2;
2N/A framebuffer.mode_info.number_of_colors = 256;
2N/A framebuffer.mode_info.red_mask_size = 5;
2N/A framebuffer.mode_info.red_field_pos = 11;
2N/A framebuffer.mode_info.green_mask_size = 6;
2N/A framebuffer.mode_info.green_field_pos = 5;
2N/A framebuffer.mode_info.blue_mask_size = 5;
2N/A framebuffer.mode_info.blue_field_pos = 0;
2N/A framebuffer.mode_info.reserved_mask_size = 0;
2N/A framebuffer.mode_info.reserved_field_pos = 0;
2N/A#ifndef TEST
2N/A framebuffer.mode_info.blit_format
2N/A = grub_video_get_blit_format (&framebuffer.mode_info);
2N/A#endif
2N/A
2N/A#ifndef TEST
2N/A if (found && framebuffer.base == 0)
2N/A {
2N/A grub_pci_address_t addr;
2N/A /* FIXME: choose address dynamically if needed. */
2N/A framebuffer.base = 0x04000000;
2N/A
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG0);
2N/A grub_pci_write (addr, framebuffer.base);
2N/A
2N/A /* Set latency. */
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_CACHELINE);
2N/A grub_pci_write (addr, 0x8);
2N/A
2N/A /* Enable address spaces. */
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_COMMAND);
2N/A grub_pci_write (addr, 0x7);
2N/A }
2N/A#endif
2N/A
2N/A /* We can safely discard volatile attribute. */
2N/A#ifndef TEST
2N/A framebuffer.ptr
2N/A = (void *) grub_pci_device_map_range (framebuffer.dev,
2N/A framebuffer.base,
2N/A GRUB_SM712_TOTAL_MEMORY_SPACE);
2N/A#endif
2N/A framebuffer.mapped = 1;
2N/A
2N/A /* Initialise SM712. */
2N/A#ifndef TEST
2N/A /* FIXME */
2N/A grub_vga_sr_write (0x11, 0x18);
2N/A#endif
2N/A
2N/A#ifndef TEST
2N/A /* Prevent garbage from appearing on the screen. */
2N/A grub_memset (framebuffer.ptr, 0,
2N/A framebuffer.mode_info.height * framebuffer.mode_info.pitch);
2N/A#endif
2N/A
2N/A /* FIXME */
2N/A grub_sm712_sr_write (0, 0x21);
2N/A grub_sm712_sr_write (0x7a, 0x62);
2N/A grub_sm712_sr_write (0x16, 0x6a);
2N/A grub_sm712_sr_write (0x2, 0x6b);
2N/A grub_sm712_write_reg (0, GRUB_VGA_IO_PIXEL_MASK);
2N/A grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC, GRUB_VGA_SR_RESET);
2N/A grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY
2N/A | GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
2N/A | GRUB_VGA_IO_MISC_UPPER_64K
2N/A | GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0
2N/A | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
2N/A | GRUB_VGA_IO_MISC_COLOR, GRUB_VGA_IO_MISC_WRITE);
2N/A grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC | GRUB_VGA_SR_RESET_SYNC,
2N/A GRUB_VGA_SR_RESET);
2N/A grub_sm712_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
2N/A GRUB_VGA_SR_CLOCKING_MODE);
2N/A grub_sm712_sr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_SR_MAP_MASK_REGISTER);
2N/A grub_sm712_sr_write (0, GRUB_VGA_SR_CHAR_MAP_SELECT);
2N/A grub_sm712_sr_write (GRUB_VGA_SR_MEMORY_MODE_CHAIN4
2N/A | GRUB_VGA_SR_MEMORY_MODE_SEQUENTIAL_ADDRESSING
2N/A | GRUB_VGA_SR_MEMORY_MODE_EXTERNAL_VIDEO_MEMORY,
2N/A GRUB_VGA_SR_MEMORY_MODE);
2N/A
2N/A for (i = 0; i < ARRAY_SIZE (sm712_sr_seq1); i++)
2N/A grub_sm712_sr_write (sm712_sr_seq1[i], 0x10 + i);
2N/A
2N/A for (i = 0; i < ARRAY_SIZE (sm712_sr_seq2); i++)
2N/A grub_sm712_sr_write (sm712_sr_seq2[i], 0x30 + i);
2N/A
2N/A /* Undocumented. */
2N/A grub_sm712_sr_write (0x1a, 0x63);
2N/A /* Undocumented. */
2N/A grub_sm712_sr_write (0x1a, 0x64);
2N/A
2N/A grub_sm712_sr_write (GRUB_SM712_SR_TV_CRT_SRAM | GRUB_SM712_SR_TV_ALT_CLOCK
2N/A | GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC
2N/A | GRUB_SM712_SR_TV_HSYNC,
2N/A GRUB_SM712_SR_TV_CONTROL);
2N/A
2N/A grub_sm712_sr_write (GRUB_SM712_SR_RAM_LUT_NORMAL, GRUB_SM712_SR_RAM_LUT);
2N/A
2N/A /* Undocumented. */
2N/A grub_sm712_sr_write (0x00, 0x67);
2N/A
2N/A grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR
2N/A | GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK,
2N/A GRUB_SM712_SR_CLOCK_CONTROL1);
2N/A grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK,
2N/A GRUB_SM712_SR_CLOCK_CONTROL2);
2N/A
2N/A grub_sm712_sr_write (82, GRUB_SM712_SR_VCLK_NUM);
2N/A grub_sm712_sr_write (137, GRUB_SM712_SR_VCLK_DENOM);
2N/A
2N/A grub_sm712_sr_write (9, GRUB_SM712_SR_VCLK2_NUM);
2N/A grub_sm712_sr_write (2, GRUB_SM712_SR_VCLK2_DENOM);
2N/A /* FIXME */
2N/A grub_sm712_sr_write (0x04, 0x70);
2N/A /* FIXME */
2N/A grub_sm712_sr_write (0x45, 0x71);
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x30, 0x72);
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x30, 0x73);
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x40, 0x74);
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x20, 0x75);
2N/A
2N/A grub_sm712_sr_write (0xff, GRUB_SM712_SR_POPUP_ICON_LOW);
2N/A grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_HIGH_MASK,
2N/A GRUB_SM712_SR_POPUP_ICON_HIGH);
2N/A grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED,
2N/A GRUB_SM712_SR_POPUP_ICON_CTRL);
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x0, 0x83);
2N/A
2N/A grub_sm712_sr_write (8, GRUB_SM712_SR_POPUP_ICON_COLOR1);
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_COLOR2);
2N/A grub_sm712_sr_write (0x42, GRUB_SM712_SR_POPUP_ICON_COLOR3);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x3a, 0x87);
2N/A
2N/A /* Why theese coordinates? */
2N/A grub_sm712_sr_write (0x59, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW);
2N/A grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH);
2N/A grub_sm712_sr_write (0x44, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW);
2N/A grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH);
2N/A
2N/A grub_sm712_sr_write (RGB332_BLACK, GRUB_SM712_SR_HW_CURSOR_FG_COLOR);
2N/A grub_sm712_sr_write (RGB332_WHITE, GRUB_SM712_SR_HW_CURSOR_BG_COLOR);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_sr_write (0x3a, 0x8e);
2N/A grub_sm712_sr_write (0x3a, 0x8f);
2N/A
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_LOW);
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_HIGH);
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_LOW);
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_HIGH);
2N/A
2N/A grub_sm712_sr_write (0, GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL);
2N/A grub_sm712_sr_write (0x10, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW);
2N/A grub_sm712_sr_write (0x08, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH);
2N/A grub_sm712_sr_write (0x00, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW);
2N/A grub_sm712_sr_write (0x02, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH);
2N/A grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT);
2N/A grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT);
2N/A grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT);
2N/A
2N/A grub_sm712_sr_write (0x7b, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY);
2N/A grub_sm712_sr_write (0xfb, GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY);
2N/A grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY);
2N/A grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY);
2N/A /* Doesn't match documentation? */
2N/A grub_sm712_sr_write (0x97, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY);
2N/A grub_sm712_sr_write (0xef, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY);
2N/A
2N/A grub_sm712_sr_write (0xbf, GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR);
2N/A grub_sm712_sr_write (0xdf, GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR);
2N/A
2N/A grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE);
2N/A grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE_ENABLE);
2N/A grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_COLOR_COMPARE);
2N/A grub_sm712_gr_write (GRUB_VGA_GR_DATA_ROTATE_NOP, GRUB_VGA_GR_DATA_ROTATE);
2N/A grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_READ_MAP_REGISTER);
2N/A grub_sm712_gr_write (GRUB_VGA_GR_MODE_256_COLOR, GRUB_VGA_GR_MODE);
2N/A grub_sm712_gr_write (GRUB_VGA_GR_GR6_MMAP_A0
2N/A | GRUB_VGA_GR_GR6_GRAPHICS_MODE, GRUB_VGA_GR_GR6);
2N/A grub_sm712_gr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_GR_COLOR_COMPARE_DISABLE);
2N/A grub_sm712_gr_write (0xff, GRUB_VGA_GR_BITMASK);
2N/A
2N/A /* Write palette mapping. */
2N/A for (i = 0; i < 16; i++)
2N/A grub_sm712_write_arx (i, i);
2N/A
2N/A grub_sm712_write_arx (GRUB_VGA_ARX_MODE_ENABLE_256COLOR
2N/A | GRUB_VGA_ARX_MODE_GRAPHICS, GRUB_VGA_ARX_MODE);
2N/A grub_sm712_write_arx (0, GRUB_VGA_ARX_OVERSCAN);
2N/A grub_sm712_write_arx (GRUB_VGA_ALL_PLANES, GRUB_VGA_ARX_COLOR_PLANE_ENABLE);
2N/A grub_sm712_write_arx (0, GRUB_VGA_ARX_HORIZONTAL_PANNING);
2N/A grub_sm712_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT);
2N/A
2N/A /* FIXME: compute this generically. */
2N/A {
2N/A struct grub_video_hw_config config =
2N/A {
2N/A .vertical_total = 806,
2N/A .vertical_blank_start = 0x300,
2N/A .vertical_blank_end = 0,
2N/A .vertical_sync_start = 0x303,
2N/A .vertical_sync_end = 0x9,
2N/A .line_compare = 0x3ff,
2N/A .vdisplay_end = 0x300,
2N/A .pitch = 0x80,
2N/A .horizontal_total = 164,
2N/A .horizontal_end = 128,
2N/A .horizontal_blank_start = 128,
2N/A .horizontal_blank_end = 0,
2N/A .horizontal_sync_pulse_start = 133,
2N/A .horizontal_sync_pulse_end = 22
2N/A };
2N/A grub_vga_set_geometry (&config, grub_sm712_cr_write);
2N/A config.horizontal_sync_pulse_start = 134;
2N/A config.horizontal_sync_pulse_end = 21;
2N/A config.vertical_sync_start = 0x301;
2N/A config.vertical_sync_end = 0x0;
2N/A config.line_compare = 0x0ff;
2N/A config.vdisplay_end = 0x258;
2N/A config.pitch = 0x7f;
2N/A grub_vga_set_geometry (&config, grub_sm712_cr_shadow_write);
2N/A }
2N/A
2N/A grub_sm712_cr_write (GRUB_VGA_CR_BYTE_PANNING_NORMAL,
2N/A GRUB_VGA_CR_BYTE_PANNING);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_START);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_END);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_HIGH);
2N/A grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_LOW);
2N/A grub_sm712_cr_write (GRUB_VGA_CR_UNDERLINE_LOCATION_DWORD_MODE,
2N/A GRUB_VGA_CR_UNDERLINE_LOCATION);
2N/A grub_sm712_cr_write (GRUB_VGA_CR_MODE_ADDRESS_WRAP
2N/A | GRUB_VGA_CR_MODE_BYTE_MODE
2N/A | GRUB_VGA_CR_MODE_TIMING_ENABLE
2N/A | GRUB_VGA_CR_MODE_NO_CGA
2N/A | GRUB_VGA_CR_MODE_NO_HERCULES,
2N/A GRUB_VGA_CR_MODE);
2N/A
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_OVERFLOW_INTERLACE);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_INTERLACE_RETRACE);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_START);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_HIGH);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_LOW);
2N/A grub_sm712_cr_write (0x80, GRUB_SM712_CR_DDA_CONTROL_LOW);
2N/A grub_sm712_cr_write (0x02, GRUB_SM712_CR_DDA_CONTROL_HIGH);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_cr_write (0x20, 0x37);
2N/A
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_TV_EQUALIZER);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_TV_SERRATION);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_HSYNC_CTRL);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_cr_write (0x40, 0x3b);
2N/A
2N/A grub_sm712_cr_write (GRUB_SM712_CR_DEBUG_NONE, GRUB_SM712_CR_DEBUG);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_cr_write (0xff, 0x3d);
2N/A grub_sm712_cr_write (0x46, 0x3e);
2N/A grub_sm712_cr_write (0x91, 0x3f);
2N/A
2N/A for (i = 0; i < ARRAY_SIZE (dda_lookups); i++)
2N/A grub_sm712_write_dda_lookup (i, dda_lookups[i].compare, dda_lookups[i].dda,
2N/A dda_lookups[i].vcentering);
2N/A
2N/A /* Undocumented */
2N/A grub_sm712_cr_write (0, 0x9c);
2N/A grub_sm712_cr_write (0, 0x9d);
2N/A grub_sm712_cr_write (0, 0x9e);
2N/A grub_sm712_cr_write (0, 0x9f);
2N/A
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_VCENTERING_OFFSET);
2N/A grub_sm712_cr_write (0, GRUB_SM712_CR_HCENTERING_OFFSET);
2N/A
2N/A grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
2N/A | GRUB_VGA_IO_MISC_UPPER_64K
2N/A | GRUB_VGA_IO_MISC_28MHZ
2N/A | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
2N/A | GRUB_VGA_IO_MISC_COLOR,
2N/A GRUB_VGA_IO_MISC_WRITE);
2N/A
2N/A#ifndef TEST
2N/A /* Undocumented? */
2N/A *(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c00c) = 0;
2N/A *(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c040) = 0;
2N/A *(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c000) = 0x20000;
2N/A *(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c010) = 0x1020100;
2N/A#endif
2N/A
2N/A (void) grub_sm712_sr_read (0x16);
2N/A
2N/A#ifndef TEST
2N/A err = grub_video_fb_create_render_target_from_pointer (&framebuffer
2N/A .render_target,
2N/A &framebuffer.mode_info,
2N/A framebuffer.ptr);
2N/A
2N/A if (err)
2N/A return err;
2N/A
2N/A err = grub_video_fb_set_active_render_target (framebuffer.render_target);
2N/A
2N/A if (err)
2N/A return err;
2N/A
2N/A /* Copy default palette to initialize emulated palette. */
2N/A err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
2N/A grub_video_fbstd_colors);
2N/A#endif
2N/A return err;
2N/A}
2N/A
2N/A#ifndef TEST
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sm712_swap_buffers (void)
2N/A{
2N/A /* TODO: Implement buffer swapping. */
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sm712_set_active_render_target (struct grub_video_render_target *target)
2N/A{
2N/A if (target == GRUB_VIDEO_RENDER_TARGET_DISPLAY)
2N/A target = framebuffer.render_target;
2N/A
2N/A return grub_video_fb_set_active_render_target (target);
2N/A}
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sm712_get_info_and_fini (struct grub_video_mode_info *mode_info,
2N/A void **framebuf)
2N/A{
2N/A grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info));
2N/A *framebuf = (char *) framebuffer.ptr;
2N/A
2N/A grub_video_fb_fini ();
2N/A
2N/A return GRUB_ERR_NONE;
2N/A}
2N/A
2N/Astatic struct grub_video_adapter grub_video_sm712_adapter =
2N/A {
2N/A .name = "SM712 Video Driver",
2N/A .id = GRUB_VIDEO_DRIVER_SM712,
2N/A
2N/A .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
2N/A
2N/A .init = grub_video_sm712_video_init,
2N/A .fini = grub_video_sm712_video_fini,
2N/A .setup = grub_video_sm712_setup,
2N/A .get_info = grub_video_fb_get_info,
2N/A .get_info_and_fini = grub_video_sm712_get_info_and_fini,
2N/A .set_palette = grub_video_fb_set_palette,
2N/A .get_palette = grub_video_fb_get_palette,
2N/A .set_viewport = grub_video_fb_set_viewport,
2N/A .get_viewport = grub_video_fb_get_viewport,
2N/A .map_color = grub_video_fb_map_color,
2N/A .map_rgb = grub_video_fb_map_rgb,
2N/A .map_rgba = grub_video_fb_map_rgba,
2N/A .unmap_color = grub_video_fb_unmap_color,
2N/A .fill_rect = grub_video_fb_fill_rect,
2N/A .blit_bitmap = grub_video_fb_blit_bitmap,
2N/A .blit_render_target = grub_video_fb_blit_render_target,
2N/A .scroll = grub_video_fb_scroll,
2N/A .swap_buffers = grub_video_sm712_swap_buffers,
2N/A .create_render_target = grub_video_fb_create_render_target,
2N/A .delete_render_target = grub_video_fb_delete_render_target,
2N/A .set_active_render_target = grub_video_sm712_set_active_render_target,
2N/A .get_active_render_target = grub_video_fb_get_active_render_target,
2N/A
2N/A .next = 0
2N/A };
2N/A
2N/AGRUB_MOD_INIT(video_sm712)
2N/A{
2N/A grub_video_register (&grub_video_sm712_adapter);
2N/A}
2N/A
2N/AGRUB_MOD_FINI(video_sm712)
2N/A{
2N/A grub_video_unregister (&grub_video_sm712_adapter);
2N/A}
2N/A#else
2N/Aint
2N/Amain ()
2N/A{
2N/A grub_video_sm712_setup (1024, 600, 0, 0);
2N/A}
2N/A#endif