enum
{
GRUB_VGA_IO_ARX = 0x3c0,
+ GRUB_VGA_IO_ARX_READ = 0x3c1,
+ GRUB_VGA_IO_MISC_WRITE = 0x3c2,
GRUB_VGA_IO_SR_INDEX = 0x3c4,
GRUB_VGA_IO_SR_DATA = 0x3c5,
GRUB_VGA_IO_PIXEL_MASK = 0x3c6,
enum
{
- GRUB_VGA_CR_WIDTH = 0x01,
+ GRUB_VGA_CR_HTOTAL = 0x00,
+ GRUB_VGA_CR_HORIZ_END = 0x01,
+ GRUB_VGA_CR_HBLANK_START = 0x02,
+ GRUB_VGA_CR_HBLANK_END = 0x03,
+ GRUB_VGA_CR_HORIZ_SYNC_PULSE_START = 0x04,
+ GRUB_VGA_CR_HORIZ_SYNC_PULSE_END = 0x05,
+ GRUB_VGA_CR_VERT_TOTAL = 0x06,
GRUB_VGA_CR_OVERFLOW = 0x07,
+ GRUB_VGA_CR_BYTE_PANNING = 0x08,
GRUB_VGA_CR_CELL_HEIGHT = 0x09,
GRUB_VGA_CR_CURSOR_START = 0x0a,
GRUB_VGA_CR_CURSOR_END = 0x0b,
GRUB_VGA_CR_START_ADDR_LOW_REGISTER = 0x0d,
GRUB_VGA_CR_CURSOR_ADDR_HIGH = 0x0e,
GRUB_VGA_CR_CURSOR_ADDR_LOW = 0x0f,
+ GRUB_VGA_CR_VSYNC_START = 0x10,
GRUB_VGA_CR_VSYNC_END = 0x11,
- GRUB_VGA_CR_HEIGHT = 0x12,
+ GRUB_VGA_CR_VDISPLAY_END = 0x12,
GRUB_VGA_CR_PITCH = 0x13,
+ GRUB_VGA_CR_UNDERLINE_LOCATION = 0x14,
+ GRUB_VGA_CR_VERTICAL_BLANK_START = 0x15,
+ GRUB_VGA_CR_VERTICAL_BLANK_END = 0x16,
GRUB_VGA_CR_MODE = 0x17,
GRUB_VGA_CR_LINE_COMPARE = 0x18,
};
+enum
+ {
+ GRUB_VGA_CR_BYTE_PANNING_NORMAL = 0
+ };
+
+enum
+ {
+ GRUB_VGA_CR_UNDERLINE_LOCATION_DWORD_MODE = 0x40
+ };
+
+enum
+ {
+ GRUB_VGA_IO_MISC_COLOR = 0x01,
+ GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS = 0x02,
+ GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0 = 0x08,
+ GRUB_VGA_IO_MISC_28MHZ = 0x04,
+ GRUB_VGA_IO_MISC_UPPER_64K = 0x20,
+ GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY = 0x40,
+ GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY = 0x80,
+ };
+
+enum
+ {
+ GRUB_VGA_ARX_MODE = 0x10,
+ GRUB_VGA_ARX_OVERSCAN = 0x11,
+ GRUB_VGA_ARX_COLOR_PLANE_ENABLE = 0x12,
+ GRUB_VGA_ARX_HORIZONTAL_PANNING = 0x13,
+ GRUB_VGA_ARX_COLOR_SELECT = 0x14
+ };
+
+enum
+ {
+ GRUB_VGA_ARX_MODE_TEXT = 0x00,
+ GRUB_VGA_ARX_MODE_GRAPHICS = 0x01,
+ GRUB_VGA_ARX_MODE_ENABLE_256COLOR = 0x40
+ };
+
#define GRUB_VGA_CR_WIDTH_DIVISOR 8
+
+#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_SHIFT 7
+#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_MASK 0x02
+#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_SHIFT 3
+#define GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_MASK 0x40
+
+#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_SHIFT 8
+#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_MASK 0x01
+#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_SHIFT 4
+#define GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_MASK 0x20
+
+#define GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT 6
+#define GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK 0x04
+#define GRUB_VGA_CR_OVERFLOW_VSYNC_START2_SHIFT 2
+#define GRUB_VGA_CR_OVERFLOW_VSYNC_START2_MASK 0x80
+
#define GRUB_VGA_CR_OVERFLOW_HEIGHT1_SHIFT 7
#define GRUB_VGA_CR_OVERFLOW_HEIGHT1_MASK 0x02
#define GRUB_VGA_CR_OVERFLOW_HEIGHT2_SHIFT 3
#define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_MASK 0x40
#define GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_SHIFT 3
-
+#define GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_MASK 0x20
+#define GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_SHIFT 4
+#define GRUB_VGA_CR_CELL_HEIGHT_DOUBLE_SCAN 0x80
enum
{
GRUB_VGA_CR_CURSOR_START_DISABLE = (1 << 5)
{
GRUB_VGA_CR_MODE_NO_CGA = 0x01,
GRUB_VGA_CR_MODE_NO_HERCULES = 0x02,
+ GRUB_VGA_CR_MODE_ADDRESS_WRAP = 0x20,
GRUB_VGA_CR_MODE_BYTE_MODE = 0x40,
GRUB_VGA_CR_MODE_TIMING_ENABLE = 0x80
};
enum
{
+ GRUB_VGA_SR_RESET = 0,
GRUB_VGA_SR_CLOCKING_MODE = 1,
GRUB_VGA_SR_MAP_MASK_REGISTER = 2,
+ GRUB_VGA_SR_CHAR_MAP_SELECT = 3,
GRUB_VGA_SR_MEMORY_MODE = 4,
};
+enum
+ {
+ GRUB_VGA_SR_RESET_ASYNC = 1,
+ GRUB_VGA_SR_RESET_SYNC = 2
+ };
+
enum
{
GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK = 1
enum
{
GRUB_VGA_SR_MEMORY_MODE_NORMAL = 0,
- GRUB_VGA_SR_MEMORY_MODE_CHAIN4 = 8
+ GRUB_VGA_SR_MEMORY_MODE_EXTERNAL_VIDEO_MEMORY = 2,
+ GRUB_VGA_SR_MEMORY_MODE_SEQUENTIAL_ADDRESSING = 4,
+ GRUB_VGA_SR_MEMORY_MODE_CHAIN4 = 8,
};
enum
{
+ GRUB_VGA_GR_SET_RESET_PLANE = 0,
+ GRUB_VGA_GR_SET_RESET_PLANE_ENABLE = 1,
+ GRUB_VGA_GR_COLOR_COMPARE = 2,
GRUB_VGA_GR_DATA_ROTATE = 3,
GRUB_VGA_GR_READ_MAP_REGISTER = 4,
GRUB_VGA_GR_MODE = 5,
GRUB_VGA_GR_GR6 = 6,
+ GRUB_VGA_GR_COLOR_COMPARE_DISABLE = 7,
GRUB_VGA_GR_BITMASK = 8,
GRUB_VGA_GR_MAX
};
+#define GRUB_VGA_ALL_PLANES 0xf
+#define GRUB_VGA_NO_PLANES 0x0
+
+enum
+ {
+ GRUB_VGA_GR_DATA_ROTATE_NOP = 0
+ };
+
enum
{
GRUB_VGA_TEXT_TEXT_PLANE = 0,
enum
{
GRUB_VGA_GR_GR6_GRAPHICS_MODE = 1,
+ GRUB_VGA_GR_GR6_MMAP_A0 = (1 << 2),
GRUB_VGA_GR_GR6_MMAP_CGA = (3 << 2)
};
{
GRUB_VGA_GR_MODE_READ_MODE1 = 0x08,
GRUB_VGA_GR_MODE_ODD_EVEN = 0x10,
+ GRUB_VGA_GR_MODE_ODD_EVEN_SHIFT = 0x20,
GRUB_VGA_GR_MODE_256_COLOR = 0x40
};
grub_outb (b, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_PALLETTE_DATA);
}
+static inline void
+grub_vga_write_arx (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
+ grub_outb (addr, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
+ grub_inb (GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX_READ);
+ grub_outb (val, GRUB_MACHINE_PCI_IO_BASE + GRUB_VGA_IO_ARX);
+}
+
+struct grub_video_hw_config
+{
+ unsigned vertical_total;
+ unsigned vertical_blank_start;
+ unsigned vertical_blank_end;
+ unsigned vertical_sync_start;
+ unsigned vertical_sync_end;
+ unsigned line_compare;
+ unsigned vdisplay_end;
+ unsigned pitch;
+ unsigned horizontal_total;
+ unsigned horizontal_blank_start;
+ unsigned horizontal_blank_end;
+ unsigned horizontal_sync_pulse_start;
+ unsigned horizontal_sync_pulse_end;
+ unsigned horizontal_end;
+};
+
+static inline void
+grub_vga_set_geometry (struct grub_video_hw_config *config,
+ void (*cr_write) (grub_uint8_t val, grub_uint8_t addr))
+{
+ unsigned vertical_total = config->vertical_total - 2;
+ unsigned vertical_blank_start = config->vertical_blank_start - 1;
+ unsigned vdisplay_end = config->vdisplay_end - 1;
+ grub_uint8_t overflow, cell_height_reg;
+
+ /* Disable CR0-7 write protection. */
+ cr_write (0, GRUB_VGA_CR_VSYNC_END);
+
+ overflow = ((vertical_total >> GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VERT_TOTAL1_MASK)
+ | ((vertical_total >> GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VERT_TOTAL2_MASK)
+ | ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START2_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VSYNC_START2_MASK)
+ | ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK)
+ | ((vdisplay_end >> GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END1_MASK)
+ | ((vdisplay_end >> GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VERT_DISPLAY_ENABLE_END2_MASK)
+ | ((config->vertical_sync_start >> GRUB_VGA_CR_OVERFLOW_VSYNC_START1_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_VSYNC_START1_MASK)
+ | ((config->line_compare >> GRUB_VGA_CR_OVERFLOW_LINE_COMPARE_SHIFT)
+ & GRUB_VGA_CR_OVERFLOW_LINE_COMPARE_MASK);
+
+ cell_height_reg = ((vertical_blank_start
+ >> GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_SHIFT)
+ & GRUB_VGA_CR_CELL_HEIGHT_VERTICAL_BLANK_MASK)
+ | ((config->line_compare >> GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_SHIFT)
+ & GRUB_VGA_CR_CELL_HEIGHT_LINE_COMPARE_MASK);
+
+ cr_write (config->horizontal_total - 1, GRUB_VGA_CR_HTOTAL);
+ cr_write (config->horizontal_end - 1, GRUB_VGA_CR_HORIZ_END);
+ cr_write (config->horizontal_blank_start - 1, GRUB_VGA_CR_HBLANK_START);
+ cr_write (config->horizontal_blank_end, GRUB_VGA_CR_HBLANK_END);
+ cr_write (config->horizontal_sync_pulse_start,
+ GRUB_VGA_CR_HORIZ_SYNC_PULSE_START);
+ cr_write (config->horizontal_sync_pulse_end,
+ GRUB_VGA_CR_HORIZ_SYNC_PULSE_END);
+ cr_write (vertical_total & 0xff, GRUB_VGA_CR_VERT_TOTAL);
+ cr_write (overflow, GRUB_VGA_CR_OVERFLOW);
+ cr_write (cell_height_reg, GRUB_VGA_CR_CELL_HEIGHT);
+ cr_write (config->vertical_sync_start & 0xff, GRUB_VGA_CR_VSYNC_START);
+ cr_write (config->vertical_sync_end & 0x0f, GRUB_VGA_CR_VSYNC_END);
+ cr_write (vdisplay_end & 0xff, GRUB_VGA_CR_VDISPLAY_END);
+ cr_write (config->pitch & 0xff, GRUB_VGA_CR_PITCH);
+ cr_write (vertical_blank_start & 0xff, GRUB_VGA_CR_VERTICAL_BLANK_START);
+ cr_write (config->vertical_blank_end & 0xff, GRUB_VGA_CR_VERTICAL_BLANK_END);
+ cr_write (config->line_compare & 0xff, GRUB_VGA_CR_LINE_COMPARE);
+}
+
#endif
#define GRUB_SM712_TOTAL_MEMORY_SPACE 0x700400
#define GRUB_SM712_REG_BASE 0x700000
+#define GRUB_SM712_PCIID 0x0712126f
+
+enum
+ {
+ GRUB_SM712_SR_TV_CONTROL = 0x65,
+ GRUB_SM712_SR_RAM_LUT = 0x66,
+ GRUB_SM712_SR_CLOCK_CONTROL1 = 0x68,
+ GRUB_SM712_SR_CLOCK_CONTROL2 = 0x69,
+ GRUB_SM712_SR_VCLK_NUM = 0x6c,
+ GRUB_SM712_SR_VCLK_DENOM = 0x6d,
+ GRUB_SM712_SR_VCLK2_NUM = 0x6e,
+ GRUB_SM712_SR_VCLK2_DENOM = 0x6f,
+ GRUB_SM712_SR_POPUP_ICON_LOW = 0x80,
+ GRUB_SM712_SR_POPUP_ICON_HIGH = 0x81,
+ GRUB_SM712_SR_POPUP_ICON_CTRL = 0x82,
+ GRUB_SM712_SR_POPUP_ICON_COLOR1 = 0x84,
+ GRUB_SM712_SR_POPUP_ICON_COLOR2 = 0x85,
+ GRUB_SM712_SR_POPUP_ICON_COLOR3 = 0x86,
+
+ GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW = 0x88,
+ GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH = 0x89,
+ GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW = 0x8a,
+ GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH = 0x8b,
+ GRUB_SM712_SR_HW_CURSOR_FG_COLOR = 0x8c,
+ GRUB_SM712_SR_HW_CURSOR_BG_COLOR = 0x8d,
+
+ GRUB_SM712_SR_POPUP_ICON_X_LOW = 0x90,
+ GRUB_SM712_SR_POPUP_ICON_X_HIGH = 0x91,
+ GRUB_SM712_SR_POPUP_ICON_Y_LOW = 0x92,
+ GRUB_SM712_SR_POPUP_ICON_Y_HIGH = 0x93,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL = 0xa0,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW = 0xa1,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH = 0xa2,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW = 0xa3,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH = 0xa4,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT = 0xa5,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT = 0xa6,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT = 0xa7,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY = 0xa8,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY = 0xa9,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY = 0xaa,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY = 0xab,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY = 0xac,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY = 0xad,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR = 0xae,
+ GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR = 0xaf,
+ };
+enum
+ {
+ GRUB_SM712_SR_TV_CRT_SRAM = 0x00,
+ GRUB_SM712_SR_TV_LCD_SRAM = 0x08
+ };
+enum
+ {
+ GRUB_SM712_SR_TV_ALT_CLOCK = 0x00,
+ GRUB_SM712_SR_TV_FREE_RUN_CLOCK = 0x04
+ };
+enum
+ {
+ GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC = 0x00,
+ GRUB_SM712_SR_TV_CLOCK_REFCLK_PAL = 0x04
+ };
+enum
+ {
+ GRUB_SM712_SR_TV_HSYNC = 0x00,
+ GRUB_SM712_SR_TV_COMPOSITE_HSYNC = 0x01
+ };
+enum
+ {
+ GRUB_SM712_SR_RAM_LUT_NORMAL = 0,
+ GRUB_SM712_SR_RAM_LUT_LCD_RAM_OFF = 0x80,
+ GRUB_SM712_SR_RAM_LUT_CRT_RAM_OFF = 0x40,
+ GRUB_SM712_SR_RAM_LUT_LCD_RAM_NO_WRITE = 0x20,
+ GRUB_SM712_SR_RAM_LUT_CRT_RAM_NO_WRITE = 0x10,
+ GRUB_SM712_SR_RAM_LUT_CRT_8BIT = 0x08,
+ GRUB_SM712_SR_RAM_LUT_CRT_GAMMA = 0x04
+ };
+
+enum
+ {
+ GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR = 0x40,
+ GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK = 0x10,
+ };
+
+enum
+ {
+ GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK = 0x03
+ };
+
+#define GRUB_SM712_SR_POPUP_ICON_HIGH_MASK 0x7
+#define GRUB_SM712_SR_POPUP_ICON_HIGH_HW_CURSOR_EN 0x80
+ enum
+ {
+ GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED = 0,
+ GRUB_SM712_SR_POPUP_ICON_CTRL_ZOOM_ENABLED = 0x40,
+ GRUB_SM712_SR_POPUP_ICON_CTRL_ENABLED = 0x80
+ };
+#define RGB332_BLACK 0
+#define RGB332_WHITE 0xff
+
+ enum
+ {
+ GRUB_SM712_CR_OVERFLOW_INTERLACE = 0x30,
+ GRUB_SM712_CR_INTERLACE_RETRACE = 0x31,
+ GRUB_SM712_CR_TV_VDISPLAY_START = 0x32,
+ GRUB_SM712_CR_TV_VDISPLAY_END_HIGH = 0x33,
+ GRUB_SM712_CR_TV_VDISPLAY_END_LOW = 0x34,
+ GRUB_SM712_CR_DDA_CONTROL_LOW = 0x35,
+ GRUB_SM712_CR_DDA_CONTROL_HIGH = 0x36,
+ GRUB_SM712_CR_TV_EQUALIZER = 0x38,
+ GRUB_SM712_CR_TV_SERRATION = 0x39,
+ GRUB_SM712_CR_HSYNC_CTRL = 0x3a,
+ GRUB_SM712_CR_DEBUG = 0x3c,
+ GRUB_SM712_CR_SHADOW_VGA_HTOTAL = 0x40,
+ GRUB_SM712_CR_SHADOW_VGA_HBLANK_START = 0x41,
+ GRUB_SM712_CR_SHADOW_VGA_HBLANK_END = 0x42,
+ GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START = 0x43,
+ GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END = 0x44,
+ GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL = 0x45,
+ GRUB_SM712_CR_SHADOW_VGA_VBLANK_START = 0x46,
+ GRUB_SM712_CR_SHADOW_VGA_VBLANK_END = 0x47,
+ GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START = 0x48,
+ GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END = 0x49,
+ GRUB_SM712_CR_SHADOW_VGA_OVERFLOW = 0x4a,
+ GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT = 0x4b,
+ GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END = 0x4c,
+ GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END = 0x4d,
+ GRUB_SM712_CR_DDA_LOOKUP_REG3_START = 0x90,
+ GRUB_SM712_CR_DDA_LOOKUP_REG2_START = 0x91,
+ GRUB_SM712_CR_DDA_LOOKUP_REG1_START = 0xa0,
+ GRUB_SM712_CR_VCENTERING_OFFSET = 0xa6,
+ GRUB_SM712_CR_HCENTERING_OFFSET = 0xa7,
+ };
+
+#define GRUB_SM712_CR_DEBUG_NONE 0
+
+#define SM712_DDA_REG3_COMPARE_SHIFT 2
+#define SM712_DDA_REG3_COMPARE_MASK 0xfc
+#define SM712_DDA_REG3_DDA_SHIFT 8
+#define SM712_DDA_REG3_DDA_MASK 0x3
+#define SM712_DDA_REG2_DDA_MASK 0xff
+#define SM712_DDA_REG2_VCENTER_MASK 0x3f
+
+static struct
+{
+ grub_uint8_t compare;
+ grub_uint16_t dda;
+ grub_uint8_t vcentering;
+} dda_lookups[] = {
+ { 21, 469, 2},
+ { 23, 477, 2},
+ { 33, 535, 2},
+ { 35, 682, 21},
+ { 34, 675, 2},
+ { 55, 683, 6},
+};
static struct
{
grub_pci_device_t dev;
} framebuffer;
+#ifndef TEST
static grub_err_t
grub_video_sm712_video_init (void)
{
return grub_video_fb_fini ();
}
+#endif
+
+static inline void
+grub_sm712_write_reg (grub_uint8_t val, grub_uint16_t addr)
+{
+#ifdef TEST
+ printf (" {1, 0x%x, 0x%x},\n", addr, val);
+#else
+ *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
+ + addr) = val;
+#endif
+}
static inline grub_uint8_t
-grub_sm712_sr_read (grub_uint8_t addr)
+grub_sm712_read_reg (grub_uint16_t addr)
{
- *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
- + GRUB_VGA_IO_SR_INDEX) = addr;
+#ifdef TEST
+ printf (" {-1, 0x%x, 0x5},\n", addr);
+#else
return *(volatile grub_uint8_t *) (framebuffer.ptr + GRUB_SM712_REG_BASE
- + GRUB_VGA_IO_SR_DATA);
+ + addr);
+#endif
+}
+
+static inline grub_uint8_t
+grub_sm712_sr_read (grub_uint8_t addr)
+{
+ grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
+ return grub_sm712_read_reg (GRUB_VGA_IO_SR_DATA);
+}
+
+static inline void
+grub_sm712_sr_write (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_sm712_write_reg (addr, GRUB_VGA_IO_SR_INDEX);
+ grub_sm712_write_reg (val, GRUB_VGA_IO_SR_DATA);
+}
+
+static inline void
+grub_sm712_gr_write (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_sm712_write_reg (addr, GRUB_VGA_IO_GR_INDEX);
+ grub_sm712_write_reg (val, GRUB_VGA_IO_GR_DATA);
+}
+
+static inline void
+grub_sm712_cr_write (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_sm712_write_reg (addr, GRUB_VGA_IO_CR_INDEX);
+ grub_sm712_write_reg (val, GRUB_VGA_IO_CR_DATA);
+}
+
+static inline void
+grub_sm712_write_arx (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_sm712_read_reg (GRUB_VGA_IO_INPUT_STATUS1_REGISTER);
+ grub_sm712_write_reg (addr, GRUB_VGA_IO_ARX);
+ grub_sm712_read_reg (GRUB_VGA_IO_ARX_READ);
+ grub_sm712_write_reg (val, GRUB_VGA_IO_ARX);
+}
+
+static inline void
+grub_sm712_cr_shadow_write (grub_uint8_t val, grub_uint8_t addr)
+{
+ grub_uint8_t mapping[] =
+ {
+ [GRUB_VGA_CR_HTOTAL] = GRUB_SM712_CR_SHADOW_VGA_HTOTAL,
+ [GRUB_VGA_CR_HORIZ_END] = 0xff,
+ [GRUB_VGA_CR_HBLANK_START] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_START,
+ [GRUB_VGA_CR_HBLANK_END] = GRUB_SM712_CR_SHADOW_VGA_HBLANK_END,
+ [GRUB_VGA_CR_HORIZ_SYNC_PULSE_START] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_START,
+ [GRUB_VGA_CR_HORIZ_SYNC_PULSE_END] = GRUB_SM712_CR_SHADOW_VGA_HRETRACE_END,
+ [GRUB_VGA_CR_VERT_TOTAL] = GRUB_SM712_CR_SHADOW_VGA_VERTICAL_TOTAL,
+ [GRUB_VGA_CR_OVERFLOW] = GRUB_SM712_CR_SHADOW_VGA_OVERFLOW,
+ [GRUB_VGA_CR_BYTE_PANNING] = 0xff,
+ [GRUB_VGA_CR_CELL_HEIGHT] = GRUB_SM712_CR_SHADOW_VGA_CELL_HEIGHT,
+ [GRUB_VGA_CR_CURSOR_START] = 0xff,
+ [GRUB_VGA_CR_CURSOR_END] = 0xff,
+ [GRUB_VGA_CR_START_ADDR_HIGH_REGISTER] = 0xff,
+ [GRUB_VGA_CR_START_ADDR_LOW_REGISTER] = 0xff,
+ [GRUB_VGA_CR_CURSOR_ADDR_HIGH] = 0xff,
+ [GRUB_VGA_CR_CURSOR_ADDR_LOW] = 0xff,
+ [GRUB_VGA_CR_VSYNC_START] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_START,
+ [GRUB_VGA_CR_VSYNC_END] = GRUB_SM712_CR_SHADOW_VGA_VRETRACE_END,
+ [GRUB_VGA_CR_VDISPLAY_END] = GRUB_SM712_CR_SHADOW_VGA_VDISPLAY_END,
+ [GRUB_VGA_CR_PITCH] = GRUB_SM712_CR_SHADOW_VGA_HDISPLAY_END,
+ [GRUB_VGA_CR_UNDERLINE_LOCATION] = 0xff,
+
+ [GRUB_VGA_CR_VERTICAL_BLANK_START] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_START,
+ [GRUB_VGA_CR_VERTICAL_BLANK_END] = GRUB_SM712_CR_SHADOW_VGA_VBLANK_END,
+ [GRUB_VGA_CR_MODE] = 0xff,
+ [GRUB_VGA_CR_LINE_COMPARE] = 0xff
+ };
+ if (addr >= ARRAY_SIZE (mapping) || mapping[addr] == 0xff)
+ return;
+ grub_sm712_cr_write (val, mapping[addr]);
+}
+
+static inline void
+grub_sm712_write_dda_lookup (int idx, grub_uint8_t compare, grub_uint16_t dda,
+ grub_uint8_t vcentering)
+{
+ grub_sm712_cr_write (((compare << SM712_DDA_REG3_COMPARE_SHIFT)
+ & SM712_DDA_REG3_COMPARE_MASK)
+ | ((dda >> SM712_DDA_REG3_DDA_SHIFT)
+ & SM712_DDA_REG3_DDA_MASK),
+ GRUB_SM712_CR_DDA_LOOKUP_REG3_START + 2 * idx);
+ grub_sm712_cr_write (dda & SM712_DDA_REG2_DDA_MASK,
+ GRUB_SM712_CR_DDA_LOOKUP_REG2_START + 2 * idx);
+ grub_sm712_cr_write (vcentering & SM712_DDA_REG2_VCENTER_MASK,
+ GRUB_SM712_CR_DDA_LOOKUP_REG1_START + idx);
}
static grub_err_t
int found = 0;
unsigned i;
+#ifndef TEST
auto int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)));
int NESTED_FUNC_ATTR find_card (grub_pci_device_t dev, grub_pci_id_t pciid __attribute__ ((unused)))
{
addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS);
class = grub_pci_read (addr);
- if (((class >> 16) & 0xffff) != 0x0300 || pciid != 0x0712126f)
+ if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA
+ || pciid != GRUB_SM712_PCIID)
return 0;
found = 1;
grub_pci_iterate (find_card);
if (!found)
return grub_error (GRUB_ERR_IO, "Couldn't find graphics card");
-
+#endif
/* Fill mode info details. */
framebuffer.mode_info.width = 1024;
framebuffer.mode_info.height = 600;
framebuffer.mode_info.blue_field_pos = 0;
framebuffer.mode_info.reserved_mask_size = 0;
framebuffer.mode_info.reserved_field_pos = 0;
- framebuffer.mode_info.blit_format = grub_video_get_blit_format (&framebuffer.mode_info);
+#ifndef TEST
+ framebuffer.mode_info.blit_format
+ = grub_video_get_blit_format (&framebuffer.mode_info);
+#endif
+#ifndef TEST
if (found && framebuffer.base == 0)
{
grub_pci_address_t addr;
addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_COMMAND);
grub_pci_write (addr, 0x7);
}
+#endif
/* We can safely discard volatile attribute. */
+#ifndef TEST
framebuffer.ptr
= (void *) grub_pci_device_map_range (framebuffer.dev,
framebuffer.base,
GRUB_SM712_TOTAL_MEMORY_SPACE);
+#endif
framebuffer.mapped = 1;
/* Initialise SM712. */
+#ifndef TEST
+ /* FIXME */
grub_vga_sr_write (0x11, 0x18);
+#endif
+#ifndef TEST
/* Prevent garbage from appearing on the screen. */
grub_memset (framebuffer.ptr, 0,
framebuffer.mode_info.height * framebuffer.mode_info.pitch);
-
- for (i = 0; i < ARRAY_SIZE (sm712_init); i++)
- switch (sm712_init[i].directive)
+#endif
+
+ /* FIXME */
+ grub_sm712_sr_write (0, 0x21);
+ grub_sm712_sr_write (0x7a, 0x62);
+ grub_sm712_sr_write (0x16, 0x6a);
+ grub_sm712_sr_write (0x2, 0x6b);
+ grub_sm712_write_reg (0, GRUB_VGA_IO_PIXEL_MASK);
+ grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC, GRUB_VGA_SR_RESET);
+ grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_VERT_POLARITY
+ | GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
+ | GRUB_VGA_IO_MISC_UPPER_64K
+ | GRUB_VGA_IO_MISC_EXTERNAL_CLOCK_0
+ | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
+ | GRUB_VGA_IO_MISC_COLOR, GRUB_VGA_IO_MISC_WRITE);
+ grub_sm712_sr_write (GRUB_VGA_SR_RESET_ASYNC | GRUB_VGA_SR_RESET_SYNC,
+ GRUB_VGA_SR_RESET);
+ grub_sm712_sr_write (GRUB_VGA_SR_CLOCKING_MODE_8_DOT_CLOCK,
+ GRUB_VGA_SR_CLOCKING_MODE);
+ grub_sm712_sr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_SR_MAP_MASK_REGISTER);
+ grub_sm712_sr_write (0, GRUB_VGA_SR_CHAR_MAP_SELECT);
+ grub_sm712_sr_write (GRUB_VGA_SR_MEMORY_MODE_CHAIN4
+ | GRUB_VGA_SR_MEMORY_MODE_SEQUENTIAL_ADDRESSING
+ | GRUB_VGA_SR_MEMORY_MODE_EXTERNAL_VIDEO_MEMORY,
+ GRUB_VGA_SR_MEMORY_MODE);
+
+ for (i = 0; i < ARRAY_SIZE (sm712_sr_seq1); i++)
+ grub_sm712_sr_write (sm712_sr_seq1[i], 0x10 + i);
+
+ for (i = 0; i < ARRAY_SIZE (sm712_sr_seq2); i++)
+ grub_sm712_sr_write (sm712_sr_seq2[i], 0x30 + i);
+
+ /* Undocumented. */
+ grub_sm712_sr_write (0x1a, 0x63);
+ /* Undocumented. */
+ grub_sm712_sr_write (0x1a, 0x64);
+
+ grub_sm712_sr_write (GRUB_SM712_SR_TV_CRT_SRAM | GRUB_SM712_SR_TV_ALT_CLOCK
+ | GRUB_SM712_SR_TV_CLOCK_CKIN_NTSC
+ | GRUB_SM712_SR_TV_HSYNC,
+ GRUB_SM712_SR_TV_CONTROL);
+
+ grub_sm712_sr_write (GRUB_SM712_SR_RAM_LUT_NORMAL, GRUB_SM712_SR_RAM_LUT);
+
+ /* Undocumented. */
+ grub_sm712_sr_write (0x00, 0x67);
+
+ grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL1_VCLK_FROM_CCR
+ | GRUB_SM712_SR_CLOCK_CONTROL1_8DOT_CLOCK,
+ GRUB_SM712_SR_CLOCK_CONTROL1);
+ grub_sm712_sr_write (GRUB_SM712_SR_CLOCK_CONTROL2_PROGRAM_VCLOCK,
+ GRUB_SM712_SR_CLOCK_CONTROL2);
+
+ grub_sm712_sr_write (82, GRUB_SM712_SR_VCLK_NUM);
+ grub_sm712_sr_write (137, GRUB_SM712_SR_VCLK_DENOM);
+
+ grub_sm712_sr_write (9, GRUB_SM712_SR_VCLK2_NUM);
+ grub_sm712_sr_write (2, GRUB_SM712_SR_VCLK2_DENOM);
+ /* FIXME */
+ grub_sm712_sr_write (0x04, 0x70);
+ /* FIXME */
+ grub_sm712_sr_write (0x45, 0x71);
+ /* Undocumented */
+ grub_sm712_sr_write (0x30, 0x72);
+ /* Undocumented */
+ grub_sm712_sr_write (0x30, 0x73);
+ /* Undocumented */
+ grub_sm712_sr_write (0x40, 0x74);
+ /* Undocumented */
+ grub_sm712_sr_write (0x20, 0x75);
+
+ grub_sm712_sr_write (0xff, GRUB_SM712_SR_POPUP_ICON_LOW);
+ grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_HIGH_MASK,
+ GRUB_SM712_SR_POPUP_ICON_HIGH);
+ grub_sm712_sr_write (GRUB_SM712_SR_POPUP_ICON_CTRL_DISABLED,
+ GRUB_SM712_SR_POPUP_ICON_CTRL);
+ /* Undocumented */
+ grub_sm712_sr_write (0x0, 0x83);
+
+ grub_sm712_sr_write (8, GRUB_SM712_SR_POPUP_ICON_COLOR1);
+ grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_COLOR2);
+ grub_sm712_sr_write (0x42, GRUB_SM712_SR_POPUP_ICON_COLOR3);
+
+ /* Undocumented */
+ grub_sm712_sr_write (0x3a, 0x87);
+
+ /* Why theese coordinates? */
+ grub_sm712_sr_write (0x59, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_LOW);
+ grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_X_HIGH);
+ grub_sm712_sr_write (0x44, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_LOW);
+ grub_sm712_sr_write (0x02, GRUB_SM712_SR_HW_CURSOR_UPPER_LEFT_Y_HIGH);
+
+ grub_sm712_sr_write (RGB332_BLACK, GRUB_SM712_SR_HW_CURSOR_FG_COLOR);
+ grub_sm712_sr_write (RGB332_WHITE, GRUB_SM712_SR_HW_CURSOR_BG_COLOR);
+
+ /* Undocumented */
+ grub_sm712_sr_write (0x3a, 0x8e);
+ grub_sm712_sr_write (0x3a, 0x8f);
+
+ grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_LOW);
+ grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_X_HIGH);
+ grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_LOW);
+ grub_sm712_sr_write (0, GRUB_SM712_SR_POPUP_ICON_Y_HIGH);
+
+ grub_sm712_sr_write (0, GRUB_SM712_SR_PANEL_HW_VIDEO_CONTROL);
+ grub_sm712_sr_write (0x10, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_LOW);
+ grub_sm712_sr_write (0x08, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_HIGH);
+ grub_sm712_sr_write (0x00, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_LOW);
+ grub_sm712_sr_write (0x02, GRUB_SM712_SR_PANEL_HW_VIDEO_COLOR_KEY_MASK_HIGH);
+ grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_RED_CONSTANT);
+ grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_GREEN_CONSTANT);
+ grub_sm712_sr_write (0xed, GRUB_SM712_SR_PANEL_HW_VIDEO_BLUE_CONSTANT);
+
+ grub_sm712_sr_write (0x7b, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_BOUNDARY);
+ grub_sm712_sr_write (0xfb, GRUB_SM712_SR_PANEL_HW_VIDEO_LEFT_BOUNDARY);
+ grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_BOUNDARY);
+ grub_sm712_sr_write (0xff, GRUB_SM712_SR_PANEL_HW_VIDEO_RIGHT_BOUNDARY);
+ /* Doesn't match documentation? */
+ grub_sm712_sr_write (0x97, GRUB_SM712_SR_PANEL_HW_VIDEO_TOP_LEFT_OVERFLOW_BOUNDARY);
+ grub_sm712_sr_write (0xef, GRUB_SM712_SR_PANEL_HW_VIDEO_BOTTOM_RIGHT_OVERFLOW_BOUNDARY);
+
+ grub_sm712_sr_write (0xbf, GRUB_SM712_SR_PANEL_HW_VIDEO_VERTICAL_STRETCH_FACTOR);
+ grub_sm712_sr_write (0xdf, GRUB_SM712_SR_PANEL_HW_VIDEO_HORIZONTAL_STRETCH_FACTOR);
+
+ grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE);
+ grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_SET_RESET_PLANE_ENABLE);
+ grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_COLOR_COMPARE);
+ grub_sm712_gr_write (GRUB_VGA_GR_DATA_ROTATE_NOP, GRUB_VGA_GR_DATA_ROTATE);
+ grub_sm712_gr_write (GRUB_VGA_NO_PLANES, GRUB_VGA_GR_READ_MAP_REGISTER);
+ grub_sm712_gr_write (GRUB_VGA_GR_MODE_256_COLOR, GRUB_VGA_GR_MODE);
+ grub_sm712_gr_write (GRUB_VGA_GR_GR6_MMAP_A0
+ | GRUB_VGA_GR_GR6_GRAPHICS_MODE, GRUB_VGA_GR_GR6);
+ grub_sm712_gr_write (GRUB_VGA_ALL_PLANES, GRUB_VGA_GR_COLOR_COMPARE_DISABLE);
+ grub_sm712_gr_write (0xff, GRUB_VGA_GR_BITMASK);
+
+ /* Write palette mapping. */
+ for (i = 0; i < 16; i++)
+ grub_sm712_write_arx (i, i);
+
+ grub_sm712_write_arx (GRUB_VGA_ARX_MODE_ENABLE_256COLOR
+ | GRUB_VGA_ARX_MODE_GRAPHICS, GRUB_VGA_ARX_MODE);
+ grub_sm712_write_arx (0, GRUB_VGA_ARX_OVERSCAN);
+ grub_sm712_write_arx (GRUB_VGA_ALL_PLANES, GRUB_VGA_ARX_COLOR_PLANE_ENABLE);
+ grub_sm712_write_arx (0, GRUB_VGA_ARX_HORIZONTAL_PANNING);
+ grub_sm712_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT);
+
+ /* FIXME: compute this generically. */
+ {
+ struct grub_video_hw_config config =
{
- case 1:
- *(volatile grub_uint8_t *) ((char *) framebuffer.ptr
- + GRUB_SM712_REG_BASE
- + sm712_init[i].addr) = sm712_init[i].val;
- break;
- case -1:
- {
- grub_uint8_t val = *(volatile grub_uint8_t *)
- ((char *) framebuffer.ptr + GRUB_SM712_REG_BASE
- + sm712_init[i].addr);
- (void) val;
- }
- break;
- }
-
+ .vertical_total = 806,
+ .vertical_blank_start = 0x300,
+ .vertical_blank_end = 0,
+ .vertical_sync_start = 0x303,
+ .vertical_sync_end = 0x9,
+ .line_compare = 0x3ff,
+ .vdisplay_end = 0x300,
+ .pitch = 0x80,
+ .horizontal_total = 164,
+ .horizontal_end = 128,
+ .horizontal_blank_start = 128,
+ .horizontal_blank_end = 0,
+ .horizontal_sync_pulse_start = 133,
+ .horizontal_sync_pulse_end = 22
+ };
+ grub_vga_set_geometry (&config, grub_sm712_cr_write);
+ config.horizontal_sync_pulse_start = 134;
+ config.horizontal_sync_pulse_end = 21;
+ config.vertical_sync_start = 0x301;
+ config.vertical_sync_end = 0x0;
+ config.line_compare = 0x0ff;
+ config.vdisplay_end = 0x258;
+ config.pitch = 0x7f;
+ grub_vga_set_geometry (&config, grub_sm712_cr_shadow_write);
+ }
+
+ grub_sm712_cr_write (GRUB_VGA_CR_BYTE_PANNING_NORMAL,
+ GRUB_VGA_CR_BYTE_PANNING);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_START);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_END);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_HIGH);
+ grub_sm712_cr_write (0, GRUB_VGA_CR_CURSOR_ADDR_LOW);
+ grub_sm712_cr_write (GRUB_VGA_CR_UNDERLINE_LOCATION_DWORD_MODE,
+ GRUB_VGA_CR_UNDERLINE_LOCATION);
+ grub_sm712_cr_write (GRUB_VGA_CR_MODE_ADDRESS_WRAP
+ | GRUB_VGA_CR_MODE_BYTE_MODE
+ | GRUB_VGA_CR_MODE_TIMING_ENABLE
+ | GRUB_VGA_CR_MODE_NO_CGA
+ | GRUB_VGA_CR_MODE_NO_HERCULES,
+ GRUB_VGA_CR_MODE);
+
+ grub_sm712_cr_write (0, GRUB_SM712_CR_OVERFLOW_INTERLACE);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_INTERLACE_RETRACE);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_START);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_HIGH);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_TV_VDISPLAY_END_LOW);
+ grub_sm712_cr_write (0x80, GRUB_SM712_CR_DDA_CONTROL_LOW);
+ grub_sm712_cr_write (0x02, GRUB_SM712_CR_DDA_CONTROL_HIGH);
+
+ /* Undocumented */
+ grub_sm712_cr_write (0x20, 0x37);
+
+ grub_sm712_cr_write (0, GRUB_SM712_CR_TV_EQUALIZER);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_TV_SERRATION);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_HSYNC_CTRL);
+
+ /* Undocumented */
+ grub_sm712_cr_write (0x40, 0x3b);
+
+ grub_sm712_cr_write (GRUB_SM712_CR_DEBUG_NONE, GRUB_SM712_CR_DEBUG);
+
+ /* Undocumented */
+ grub_sm712_cr_write (0xff, 0x3d);
+ grub_sm712_cr_write (0x46, 0x3e);
+ grub_sm712_cr_write (0x91, 0x3f);
+
+ for (i = 0; i < ARRAY_SIZE (dda_lookups); i++)
+ grub_sm712_write_dda_lookup (i, dda_lookups[i].compare, dda_lookups[i].dda,
+ dda_lookups[i].vcentering);
+
+ /* Undocumented */
+ grub_sm712_cr_write (0, 0x9c);
+ grub_sm712_cr_write (0, 0x9d);
+ grub_sm712_cr_write (0, 0x9e);
+ grub_sm712_cr_write (0, 0x9f);
+
+ grub_sm712_cr_write (0, GRUB_SM712_CR_VCENTERING_OFFSET);
+ grub_sm712_cr_write (0, GRUB_SM712_CR_HCENTERING_OFFSET);
+
+ grub_sm712_write_reg (GRUB_VGA_IO_MISC_NEGATIVE_HORIZ_POLARITY
+ | GRUB_VGA_IO_MISC_UPPER_64K
+ | GRUB_VGA_IO_MISC_28MHZ
+ | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
+ | GRUB_VGA_IO_MISC_COLOR,
+ GRUB_VGA_IO_MISC_WRITE);
+
+#ifndef TEST
+ /* Undocumented? */
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c00c) = 0;
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c040) = 0;
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c000) = 0x20000;
*(volatile grub_uint32_t *) ((char *) framebuffer.ptr + 0x40c010) = 0x1020100;
+#endif
(void) grub_sm712_sr_read (0x16);
- err = grub_video_fb_create_render_target_from_pointer (&framebuffer.render_target, &framebuffer.mode_info, framebuffer.ptr);
+#ifndef TEST
+ err = grub_video_fb_create_render_target_from_pointer (&framebuffer
+ .render_target,
+ &framebuffer.mode_info,
+ framebuffer.ptr);
if (err)
return err;
/* Copy default palette to initialize emulated palette. */
err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_NUMCOLORS,
grub_video_fbstd_colors);
+#endif
return err;
}
+#ifndef TEST
+
static grub_err_t
grub_video_sm712_swap_buffers (void)
{
return GRUB_ERR_NONE;
}
-
static struct grub_video_adapter grub_video_sm712_adapter =
{
.name = "SM712 Video Driver",
{
grub_video_unregister (&grub_video_sm712_adapter);
}
+#else
+int
+main ()
+{
+ grub_video_sm712_setup (1024, 600, 0, 0);
+}
+#endif
projects / thirdparty / grub.git / commitdiff
