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#define GRUB_SIS315PRO_PCIID 0x03251039
2N/A#define GRUB_SIS315PRO_TOTAL_MEMORY_SPACE 0x800000
2N/A#define GRUB_SIS315PRO_MMIO_SPACE 0x1000
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_uint32_t mmiobase;
2N/A volatile grub_uint32_t *mmioptr;
2N/A grub_pci_device_t dev;
2N/A grub_port_t io;
2N/A} framebuffer;
2N/A
2N/Astatic grub_uint8_t
2N/Aread_sis_cmd (grub_uint8_t addr)
2N/A{
2N/A grub_outb (addr, framebuffer.io + 0x44);
2N/A return grub_inb (framebuffer.io + 0x45);
2N/A}
2N/A
2N/Astatic void
2N/Awrite_sis_cmd (grub_uint8_t val, grub_uint8_t addr)
2N/A{
2N/A grub_outb (addr, framebuffer.io + 0x44);
2N/A grub_outb (val, framebuffer.io + 0x45);
2N/A}
2N/A
2N/A#ifndef TEST
2N/Astatic grub_err_t
2N/Agrub_video_sis315pro_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_sis315pro_video_fini (void)
2N/A{
2N/A if (framebuffer.mapped)
2N/A grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr,
2N/A GRUB_SIS315PRO_TOTAL_MEMORY_SPACE);
2N/A
2N/A return grub_video_fb_fini ();
2N/A}
2N/A#endif
2N/A
2N/A#include "sis315_init.c"
2N/A
2N/Astatic grub_err_t
2N/Agrub_video_sis315pro_setup (unsigned int width, unsigned int height,
2N/A unsigned int mode_type,
2N/A 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_SIS315PRO_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) & GRUB_PCI_ADDR_MEM_MASK;
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1);
2N/A framebuffer.mmiobase = grub_pci_read (addr) & GRUB_PCI_ADDR_MEM_MASK;
2N/A addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG2);
2N/A framebuffer.io = (grub_pci_read (addr) & GRUB_PCI_ADDR_IO_MASK)
2N/A + GRUB_MACHINE_PCI_IO_BASE;
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 != 640 && width != 0) || (height != 480 && height != 0)
2N/A || (depth != 8 && depth != 0))
2N/A return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET,
2N/A "Only 640x400x8 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 = 640;
2N/A framebuffer.mode_info.height = 480;
2N/A framebuffer.mode_info.mode_type = GRUB_VIDEO_MODE_TYPE_INDEX_COLOR;
2N/A framebuffer.mode_info.bpp = 8;
2N/A framebuffer.mode_info.bytes_per_pixel = 1;
2N/A framebuffer.mode_info.pitch = 640 * 1;
2N/A framebuffer.mode_info.number_of_colors = 256;
2N/A framebuffer.mode_info.red_mask_size = 0;
2N/A framebuffer.mode_info.red_field_pos = 0;
2N/A framebuffer.mode_info.green_mask_size = 0;
2N/A framebuffer.mode_info.green_field_pos = 0;
2N/A framebuffer.mode_info.blue_mask_size = 0;
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 || framebuffer.mmiobase == 0))
2N/A {
2N/A grub_pci_address_t addr;
2N/A /* FIXME: choose address dynamically if needed. */
2N/A framebuffer.base = 0x40000000;
2N/A framebuffer.mmiobase = 0x04000000;
2N/A framebuffer.io = 0xb300;
2N/A
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG0);
2N/A grub_pci_write (addr, framebuffer.base | GRUB_PCI_ADDR_MEM_PREFETCH);
2N/A
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG1);
2N/A grub_pci_write (addr, framebuffer.mmiobase);
2N/A
2N/A addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG2);
2N/A grub_pci_write (addr, framebuffer.io | GRUB_PCI_ADDR_SPACE_IO);
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, 0x80004700);
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 addr = grub_pci_make_address (framebuffer.dev, 0x30);
2N/A grub_pci_write (addr, 0x04060001);
2N/A
2N/A framebuffer.io += GRUB_MACHINE_PCI_IO_BASE;
2N/A }
2N/A#endif
2N/A
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_SIS315PRO_TOTAL_MEMORY_SPACE);
2N/A framebuffer.mmioptr = grub_pci_device_map_range (framebuffer.dev,
2N/A framebuffer.mmiobase,
2N/A GRUB_SIS315PRO_MMIO_SPACE);
2N/A#endif
2N/A framebuffer.mapped = 1;
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 grub_outb (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_28MHZ
2N/A | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS
2N/A | GRUB_VGA_IO_MISC_COLOR,
2N/A GRUB_VGA_IO_MISC_WRITE + GRUB_MACHINE_PCI_IO_BASE);
2N/A
2N/A grub_vga_sr_write (0x86, 5);
2N/A for (i = 6; i <= 0x27; i++)
2N/A grub_vga_sr_write (0, i);
2N/A
2N/A for (i = 0x31; i <= 0x3d; i++)
2N/A grub_vga_sr_write (0, i);
2N/A
2N/A for (i = 0; i < ARRAY_SIZE (sr_dump); i++)
2N/A grub_vga_sr_write (sr_dump[i].val, sr_dump[i].reg);
2N/A
2N/A for (i = 0x30; i < 0x40; i++)
2N/A grub_vga_cr_write (0, i);
2N/A
2N/A grub_vga_cr_write (0x77, 0x40);
2N/A grub_vga_cr_write (0x77, 0x41);
2N/A grub_vga_cr_write (0x00, 0x42);
2N/A grub_vga_cr_write (0x5b, 0x43);
2N/A grub_vga_cr_write (0x00, 0x44);
2N/A grub_vga_cr_write (0x23, 0x48);
2N/A grub_vga_cr_write (0xaa, 0x49);
2N/A grub_vga_cr_write (0x02, 0x37);
2N/A grub_vga_cr_write (0x20, 0x5b);
2N/A grub_vga_cr_write (0x00, 0x83);
2N/A grub_vga_cr_write (0x80, 0x63);
2N/A
2N/A grub_vga_cr_write (0x0c, GRUB_VGA_CR_VSYNC_END);
2N/A grub_vga_cr_write (0x5f, GRUB_VGA_CR_HTOTAL);
2N/A grub_vga_cr_write (0x4f, GRUB_VGA_CR_HORIZ_END);
2N/A grub_vga_cr_write (0x50, GRUB_VGA_CR_HBLANK_START);
2N/A grub_vga_cr_write (0x82, GRUB_VGA_CR_HBLANK_END);
2N/A grub_vga_cr_write (0x54, GRUB_VGA_CR_HORIZ_SYNC_PULSE_START);
2N/A grub_vga_cr_write (0x80, GRUB_VGA_CR_HORIZ_SYNC_PULSE_END);
2N/A grub_vga_cr_write (0x0b, GRUB_VGA_CR_VERT_TOTAL);
2N/A grub_vga_cr_write (0x3e, GRUB_VGA_CR_OVERFLOW);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_BYTE_PANNING);
2N/A grub_vga_cr_write (0x40, GRUB_VGA_CR_CELL_HEIGHT);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_START);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_END);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_ADDR_HIGH);
2N/A grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_ADDR_LOW);
2N/A grub_vga_cr_write (0xea, GRUB_VGA_CR_VSYNC_START);
2N/A grub_vga_cr_write (0x8c, GRUB_VGA_CR_VSYNC_END);
2N/A grub_vga_cr_write (0xdf, GRUB_VGA_CR_VDISPLAY_END);
2N/A grub_vga_cr_write (0x28, GRUB_VGA_CR_PITCH);
2N/A grub_vga_cr_write (0x40, GRUB_VGA_CR_UNDERLINE_LOCATION);
2N/A grub_vga_cr_write (0xe7, GRUB_VGA_CR_VERTICAL_BLANK_START);
2N/A grub_vga_cr_write (0x04, GRUB_VGA_CR_VERTICAL_BLANK_END);
2N/A grub_vga_cr_write (0xa3, GRUB_VGA_CR_MODE);
2N/A grub_vga_cr_write (0xff, GRUB_VGA_CR_LINE_COMPARE);
2N/A
2N/A grub_vga_cr_write (0x0c, GRUB_VGA_CR_VSYNC_END);
2N/A grub_vga_cr_write (0x5f, GRUB_VGA_CR_HTOTAL);
2N/A grub_vga_cr_write (0x4f, GRUB_VGA_CR_HORIZ_END);
2N/A grub_vga_cr_write (0x50, GRUB_VGA_CR_HBLANK_START);
2N/A grub_vga_cr_write (0x82, GRUB_VGA_CR_HBLANK_END);
2N/A grub_vga_cr_write (0x55, GRUB_VGA_CR_HORIZ_SYNC_PULSE_START);
2N/A grub_vga_cr_write (0x81, GRUB_VGA_CR_HORIZ_SYNC_PULSE_END);
2N/A grub_vga_cr_write (0x0b, GRUB_VGA_CR_VERT_TOTAL);
2N/A grub_vga_cr_write (0x3e, GRUB_VGA_CR_OVERFLOW);
2N/A grub_vga_cr_write (0xe9, GRUB_VGA_CR_VSYNC_START);
2N/A grub_vga_cr_write (0x8b, GRUB_VGA_CR_VSYNC_END);
2N/A grub_vga_cr_write (0xdf, GRUB_VGA_CR_VDISPLAY_END);
2N/A grub_vga_cr_write (0xe7, GRUB_VGA_CR_VERTICAL_BLANK_START);
2N/A grub_vga_cr_write (0x04, GRUB_VGA_CR_VERTICAL_BLANK_END);
2N/A grub_vga_cr_write (0x40, GRUB_VGA_CR_CELL_HEIGHT);
2N/A grub_vga_cr_write (0x50, GRUB_VGA_CR_PITCH);
2N/A
2N/A grub_vga_cr_write (0x00, 0x19);
2N/A grub_vga_cr_write (0x00, 0x1a);
2N/A grub_vga_cr_write (0x6c, 0x52);
2N/A grub_vga_cr_write (0x2e, 0x34);
2N/A grub_vga_cr_write (0x00, 0x31);
2N/A
2N/A
2N/A grub_vga_cr_write (0, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER);
2N/A grub_vga_cr_write (0, GRUB_VGA_CR_START_ADDR_LOW_REGISTER);
2N/A
2N/A for (i = 0; i < 16; i++)
2N/A grub_vga_write_arx (i, i);
2N/A grub_vga_write_arx (1, GRUB_VGA_ARX_MODE);
2N/A grub_vga_write_arx (0, GRUB_VGA_ARX_OVERSCAN);
2N/A grub_vga_write_arx (0, GRUB_VGA_ARX_COLOR_PLANE_ENABLE);
2N/A grub_vga_write_arx (0, GRUB_VGA_ARX_HORIZONTAL_PANNING);
2N/A grub_vga_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT);
2N/A
2N/A grub_outb (0xff, GRUB_VGA_IO_PIXEL_MASK + GRUB_MACHINE_PCI_IO_BASE);
2N/A
2N/A for (i = 0; i < ARRAY_SIZE (gr); i++)
2N/A grub_vga_gr_write (gr[i], i);
2N/A
2N/A for (i = 0; i < GRUB_VIDEO_FBSTD_NUMCOLORS; i++)
2N/A grub_vga_palette_write (i, grub_video_fbstd_colors[i].r,
2N/A grub_video_fbstd_colors[i].g,
2N/A grub_video_fbstd_colors[i].b);
2N/A
2N/A#if 1
2N/A {
2N/A if (read_sis_cmd (0x5) != 0xa1)
2N/A write_sis_cmd (0x86, 0x5);
2N/A
2N/A write_sis_cmd (read_sis_cmd (0x20) | 0xa1, 0x20);
2N/A write_sis_cmd (read_sis_cmd (0x1e) | 0xda, 0x1e);
2N/A
2N/A#define IND_SIS_CMDQUEUE_SET 0x26
2N/A#define IND_SIS_CMDQUEUE_THRESHOLD 0x27
2N/A
2N/A#define COMMAND_QUEUE_THRESHOLD 0x1F
2N/A#define SIS_CMD_QUEUE_RESET 0x01
2N/A
2N/A#define SIS_AGP_CMDQUEUE_ENABLE 0x80 /* 315/330/340 series SR26 */
2N/A#define SIS_VRAM_CMDQUEUE_ENABLE 0x40
2N/A#define SIS_MMIO_CMD_ENABLE 0x20
2N/A#define SIS_CMD_QUEUE_SIZE_512k 0x00
2N/A#define SIS_CMD_QUEUE_SIZE_1M 0x04
2N/A#define SIS_CMD_QUEUE_SIZE_2M 0x08
2N/A#define SIS_CMD_QUEUE_SIZE_4M 0x0C
2N/A#define SIS_CMD_QUEUE_RESET 0x01
2N/A#define SIS_CMD_AUTO_CORR 0x02
2N/A
2N/A
2N/A write_sis_cmd (COMMAND_QUEUE_THRESHOLD, IND_SIS_CMDQUEUE_THRESHOLD);
2N/A write_sis_cmd (SIS_CMD_QUEUE_RESET, IND_SIS_CMDQUEUE_SET);
2N/A framebuffer.mmioptr[0x85C4 / 4] = framebuffer.mmioptr[0x85C8 / 4];
2N/A write_sis_cmd (SIS_MMIO_CMD_ENABLE | SIS_CMD_AUTO_CORR, IND_SIS_CMDQUEUE_SET);
2N/A framebuffer.mmioptr[0x85C0 / 4] = (0x1000000 - (512 * 1024));
2N/A }
2N/A#endif
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_sis315pro_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_sis315pro_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_sis315pro_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_sis315pro_adapter =
2N/A {
2N/A .name = "SIS315PRO Video Driver",
2N/A .id = GRUB_VIDEO_DRIVER_SIS315PRO,
2N/A
2N/A .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE,
2N/A
2N/A .init = grub_video_sis315pro_video_init,
2N/A .fini = grub_video_sis315pro_video_fini,
2N/A .setup = grub_video_sis315pro_setup,
2N/A .get_info = grub_video_fb_get_info,
2N/A .get_info_and_fini = grub_video_sis315pro_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_sis315pro_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_sis315pro_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_sis315pro)
2N/A{
2N/A grub_video_register (&grub_video_sis315pro_adapter);
2N/A}
2N/A
2N/AGRUB_MOD_FINI(video_sis315pro)
2N/A{
2N/A grub_video_unregister (&grub_video_sis315pro_adapter);
2N/A}
2N/A#else
2N/Aint
2N/Amain ()
2N/A{
2N/A grub_video_sis315pro_setup (640, 400, 0, 0);
2N/A}
2N/A#endif