diff options
Diffstat (limited to 'grub-core/video/sis315pro.c')
| -rw-r--r-- | grub-core/video/sis315pro.c | 459 |
1 files changed, 459 insertions, 0 deletions
diff --git a/grub-core/video/sis315pro.c b/grub-core/video/sis315pro.c new file mode 100644 index 0000000..22a0c85 --- /dev/null +++ b/grub-core/video/sis315pro.c @@ -0,0 +1,459 @@ +/* + * GRUB -- GRand Unified Bootloader + * Copyright (C) 2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc. + * + * GRUB is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * GRUB is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with GRUB. If not, see <http://www.gnu.org/licenses/>. + */ + +#define grub_video_render_target grub_video_fbrender_target + +#include <grub/err.h> +#include <grub/types.h> +#include <grub/dl.h> +#include <grub/misc.h> +#include <grub/mm.h> +#include <grub/video.h> +#include <grub/video_fb.h> +#include <grub/pci.h> +#include <grub/vga.h> +#include <grub/cache.h> + +#define GRUB_SIS315PRO_PCIID 0x03251039 +#define GRUB_SIS315PRO_TOTAL_MEMORY_SPACE 0x800000 +#define GRUB_SIS315PRO_MMIO_SPACE 0x1000 + +static struct +{ + struct grub_video_mode_info mode_info; + + grub_uint8_t *ptr; + volatile grub_uint8_t *direct_ptr; + int mapped; + grub_uint32_t base; + grub_uint32_t mmiobase; + volatile grub_uint32_t *mmioptr; + grub_pci_device_t dev; + grub_port_t io; +} framebuffer; + +static grub_uint8_t +read_sis_cmd (grub_uint8_t addr) +{ + grub_outb (addr, framebuffer.io + 0x44); + return grub_inb (framebuffer.io + 0x45); +} + +static void +write_sis_cmd (grub_uint8_t val, grub_uint8_t addr) +{ + grub_outb (addr, framebuffer.io + 0x44); + grub_outb (val, framebuffer.io + 0x45); +} + +#ifndef TEST +static grub_err_t +grub_video_sis315pro_video_init (void) +{ + /* Reset frame buffer. */ + grub_memset (&framebuffer, 0, sizeof(framebuffer)); + + return grub_video_fb_init (); +} + +static grub_err_t +grub_video_sis315pro_video_fini (void) +{ + if (framebuffer.mapped) + { + grub_pci_device_unmap_range (framebuffer.dev, framebuffer.ptr, + GRUB_SIS315PRO_TOTAL_MEMORY_SPACE); + grub_pci_device_unmap_range (framebuffer.dev, framebuffer.direct_ptr, + GRUB_SIS315PRO_TOTAL_MEMORY_SPACE); + } + + return grub_video_fb_fini (); +} +#endif + +#include "sis315_init.c" + +#ifndef TEST +/* Helper for grub_video_sis315pro_setup. */ +static int +find_card (grub_pci_device_t dev, grub_pci_id_t pciid, void *data) +{ + int *found = data; + grub_pci_address_t addr; + grub_uint32_t class; + + addr = grub_pci_make_address (dev, GRUB_PCI_REG_CLASS); + class = grub_pci_read (addr); + + if (((class >> 16) & 0xffff) != GRUB_PCI_CLASS_SUBCLASS_VGA + || pciid != GRUB_SIS315PRO_PCIID) + return 0; + + *found = 1; + + addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG0); + framebuffer.base = grub_pci_read (addr) & GRUB_PCI_ADDR_MEM_MASK; + addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG1); + framebuffer.mmiobase = grub_pci_read (addr) & GRUB_PCI_ADDR_MEM_MASK; + addr = grub_pci_make_address (dev, GRUB_PCI_REG_ADDRESS_REG2); + framebuffer.io = (grub_pci_read (addr) & GRUB_PCI_ADDR_IO_MASK) + + GRUB_MACHINE_PCI_IO_BASE; + framebuffer.dev = dev; + + return 1; +} +#endif + +static grub_err_t +grub_video_sis315pro_setup (unsigned int width, unsigned int height, + unsigned int mode_type, + unsigned int mode_mask __attribute__ ((unused))) +{ + int depth; + grub_err_t err; + int found = 0; + unsigned i; + +#ifndef TEST + /* Decode depth from mode_type. If it is zero, then autodetect. */ + depth = (mode_type & GRUB_VIDEO_MODE_TYPE_DEPTH_MASK) + >> GRUB_VIDEO_MODE_TYPE_DEPTH_POS; + + if ((width != 640 && width != 0) || (height != 480 && height != 0) + || (depth != 8 && depth != 0)) + return grub_error (GRUB_ERR_NOT_IMPLEMENTED_YET, + "Only 640x480x8 is supported"); + + grub_pci_iterate (find_card, &found); + if (!found) + return grub_error (GRUB_ERR_IO, "Couldn't find graphics card"); +#endif + /* Fill mode info details. */ + framebuffer.mode_info.width = 640; + framebuffer.mode_info.height = 480; + framebuffer.mode_info.mode_type = (GRUB_VIDEO_MODE_TYPE_INDEX_COLOR + | GRUB_VIDEO_MODE_TYPE_DOUBLE_BUFFERED + | GRUB_VIDEO_MODE_TYPE_UPDATING_SWAP); + framebuffer.mode_info.bpp = 8; + framebuffer.mode_info.bytes_per_pixel = 1; + framebuffer.mode_info.pitch = 640 * 1; + framebuffer.mode_info.number_of_colors = 16; + framebuffer.mode_info.red_mask_size = 0; + framebuffer.mode_info.red_field_pos = 0; + framebuffer.mode_info.green_mask_size = 0; + framebuffer.mode_info.green_field_pos = 0; + framebuffer.mode_info.blue_mask_size = 0; + framebuffer.mode_info.blue_field_pos = 0; + framebuffer.mode_info.reserved_mask_size = 0; + framebuffer.mode_info.reserved_field_pos = 0; +#ifndef TEST + framebuffer.mode_info.blit_format + = grub_video_get_blit_format (&framebuffer.mode_info); +#endif + +#ifndef TEST + if (found && (framebuffer.base == 0 || framebuffer.mmiobase == 0)) + { + grub_pci_address_t addr; + /* FIXME: choose address dynamically if needed. */ + framebuffer.base = 0x40000000; + framebuffer.mmiobase = 0x04000000; + framebuffer.io = 0xb300; + + addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG0); + grub_pci_write (addr, framebuffer.base | GRUB_PCI_ADDR_MEM_PREFETCH); + + addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG1); + grub_pci_write (addr, framebuffer.mmiobase); + + addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_ADDRESS_REG2); + grub_pci_write (addr, framebuffer.io | GRUB_PCI_ADDR_SPACE_IO); + + /* Set latency. */ + addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_CACHELINE); + grub_pci_write (addr, 0x80004700); + + /* Enable address spaces. */ + addr = grub_pci_make_address (framebuffer.dev, GRUB_PCI_REG_COMMAND); + grub_pci_write (addr, 0x7); + + addr = grub_pci_make_address (framebuffer.dev, 0x30); + grub_pci_write (addr, 0x04060001); + + framebuffer.io += GRUB_MACHINE_PCI_IO_BASE; + } +#endif + + + /* We can safely discard volatile attribute. */ +#ifndef TEST + framebuffer.ptr + = grub_pci_device_map_range_cached (framebuffer.dev, + framebuffer.base, + GRUB_SIS315PRO_TOTAL_MEMORY_SPACE); + framebuffer.direct_ptr + = grub_pci_device_map_range (framebuffer.dev, + framebuffer.base, + GRUB_SIS315PRO_TOTAL_MEMORY_SPACE); + framebuffer.mmioptr = grub_pci_device_map_range (framebuffer.dev, + framebuffer.mmiobase, + GRUB_SIS315PRO_MMIO_SPACE); +#endif + framebuffer.mapped = 1; + +#ifndef TEST + /* Prevent garbage from appearing on the screen. */ + grub_memset (framebuffer.ptr, 0, + framebuffer.mode_info.height * framebuffer.mode_info.pitch); + grub_arch_sync_dma_caches (framebuffer.ptr, + framebuffer.mode_info.height + * framebuffer.mode_info.pitch); +#endif + + grub_outb (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_28MHZ + | GRUB_VGA_IO_MISC_ENABLE_VRAM_ACCESS + | GRUB_VGA_IO_MISC_COLOR, + GRUB_VGA_IO_MISC_WRITE + GRUB_MACHINE_PCI_IO_BASE); + + grub_vga_sr_write (0x86, 5); + for (i = 6; i <= 0x27; i++) + grub_vga_sr_write (0, i); + + for (i = 0x31; i <= 0x3d; i++) + grub_vga_sr_write (0, i); + + for (i = 0; i < ARRAY_SIZE (sr_dump); i++) + grub_vga_sr_write (sr_dump[i].val, sr_dump[i].reg); + + for (i = 0x30; i < 0x40; i++) + grub_vga_cr_write (0, i); + + grub_vga_cr_write (0x77, 0x40); + grub_vga_cr_write (0x77, 0x41); + grub_vga_cr_write (0x00, 0x42); + grub_vga_cr_write (0x5b, 0x43); + grub_vga_cr_write (0x00, 0x44); + grub_vga_cr_write (0x23, 0x48); + grub_vga_cr_write (0xaa, 0x49); + grub_vga_cr_write (0x02, 0x37); + grub_vga_cr_write (0x20, 0x5b); + grub_vga_cr_write (0x00, 0x83); + grub_vga_cr_write (0x80, 0x63); + + grub_vga_cr_write (0x0c, GRUB_VGA_CR_VSYNC_END); + grub_vga_cr_write (0x5f, GRUB_VGA_CR_HTOTAL); + grub_vga_cr_write (0x4f, GRUB_VGA_CR_HORIZ_END); + grub_vga_cr_write (0x50, GRUB_VGA_CR_HBLANK_START); + grub_vga_cr_write (0x82, GRUB_VGA_CR_HBLANK_END); + grub_vga_cr_write (0x54, GRUB_VGA_CR_HORIZ_SYNC_PULSE_START); + grub_vga_cr_write (0x80, GRUB_VGA_CR_HORIZ_SYNC_PULSE_END); + grub_vga_cr_write (0x0b, GRUB_VGA_CR_VERT_TOTAL); + grub_vga_cr_write (0x3e, GRUB_VGA_CR_OVERFLOW); + grub_vga_cr_write (0x00, GRUB_VGA_CR_BYTE_PANNING); + grub_vga_cr_write (0x40, GRUB_VGA_CR_CELL_HEIGHT); + grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_START); + grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_END); + grub_vga_cr_write (0x00, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER); + grub_vga_cr_write (0x00, GRUB_VGA_CR_START_ADDR_LOW_REGISTER); + grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_ADDR_HIGH); + grub_vga_cr_write (0x00, GRUB_VGA_CR_CURSOR_ADDR_LOW); + grub_vga_cr_write (0xea, GRUB_VGA_CR_VSYNC_START); + grub_vga_cr_write (0x8c, GRUB_VGA_CR_VSYNC_END); + grub_vga_cr_write (0xdf, GRUB_VGA_CR_VDISPLAY_END); + grub_vga_cr_write (0x28, GRUB_VGA_CR_PITCH); + grub_vga_cr_write (0x40, GRUB_VGA_CR_UNDERLINE_LOCATION); + grub_vga_cr_write (0xe7, GRUB_VGA_CR_VERTICAL_BLANK_START); + grub_vga_cr_write (0x04, GRUB_VGA_CR_VERTICAL_BLANK_END); + grub_vga_cr_write (0xa3, GRUB_VGA_CR_MODE); + grub_vga_cr_write (0xff, GRUB_VGA_CR_LINE_COMPARE); + + grub_vga_cr_write (0x0c, GRUB_VGA_CR_VSYNC_END); + grub_vga_cr_write (0x5f, GRUB_VGA_CR_HTOTAL); + grub_vga_cr_write (0x4f, GRUB_VGA_CR_HORIZ_END); + grub_vga_cr_write (0x50, GRUB_VGA_CR_HBLANK_START); + grub_vga_cr_write (0x82, GRUB_VGA_CR_HBLANK_END); + grub_vga_cr_write (0x55, GRUB_VGA_CR_HORIZ_SYNC_PULSE_START); + grub_vga_cr_write (0x81, GRUB_VGA_CR_HORIZ_SYNC_PULSE_END); + grub_vga_cr_write (0x0b, GRUB_VGA_CR_VERT_TOTAL); + grub_vga_cr_write (0x3e, GRUB_VGA_CR_OVERFLOW); + grub_vga_cr_write (0xe9, GRUB_VGA_CR_VSYNC_START); + grub_vga_cr_write (0x8b, GRUB_VGA_CR_VSYNC_END); + grub_vga_cr_write (0xdf, GRUB_VGA_CR_VDISPLAY_END); + grub_vga_cr_write (0xe7, GRUB_VGA_CR_VERTICAL_BLANK_START); + grub_vga_cr_write (0x04, GRUB_VGA_CR_VERTICAL_BLANK_END); + grub_vga_cr_write (0x40, GRUB_VGA_CR_CELL_HEIGHT); + grub_vga_cr_write (0x50, GRUB_VGA_CR_PITCH); + + grub_vga_cr_write (0x00, 0x19); + grub_vga_cr_write (0x00, 0x1a); + grub_vga_cr_write (0x6c, 0x52); + grub_vga_cr_write (0x2e, 0x34); + grub_vga_cr_write (0x00, 0x31); + + + grub_vga_cr_write (0, GRUB_VGA_CR_START_ADDR_HIGH_REGISTER); + grub_vga_cr_write (0, GRUB_VGA_CR_START_ADDR_LOW_REGISTER); + + for (i = 0; i < 16; i++) + grub_vga_write_arx (i, i); + grub_vga_write_arx (1, GRUB_VGA_ARX_MODE); + grub_vga_write_arx (0, GRUB_VGA_ARX_OVERSCAN); + grub_vga_write_arx (0, GRUB_VGA_ARX_COLOR_PLANE_ENABLE); + grub_vga_write_arx (0, GRUB_VGA_ARX_HORIZONTAL_PANNING); + grub_vga_write_arx (0, GRUB_VGA_ARX_COLOR_SELECT); + + grub_outb (0xff, GRUB_VGA_IO_PIXEL_MASK + GRUB_MACHINE_PCI_IO_BASE); + + for (i = 0; i < ARRAY_SIZE (gr); i++) + grub_vga_gr_write (gr[i], i); + + for (i = 0; i < GRUB_VIDEO_FBSTD_NUMCOLORS; i++) + grub_vga_palette_write (i, grub_video_fbstd_colors[i].r, + grub_video_fbstd_colors[i].g, + grub_video_fbstd_colors[i].b); + +#if 1 + { + if (read_sis_cmd (0x5) != 0xa1) + write_sis_cmd (0x86, 0x5); + + write_sis_cmd (read_sis_cmd (0x20) | 0xa1, 0x20); + write_sis_cmd (read_sis_cmd (0x1e) | 0xda, 0x1e); + +#define IND_SIS_CMDQUEUE_SET 0x26 +#define IND_SIS_CMDQUEUE_THRESHOLD 0x27 + +#define COMMAND_QUEUE_THRESHOLD 0x1F +#define SIS_CMD_QUEUE_RESET 0x01 + +#define SIS_AGP_CMDQUEUE_ENABLE 0x80 /* 315/330/340 series SR26 */ +#define SIS_VRAM_CMDQUEUE_ENABLE 0x40 +#define SIS_MMIO_CMD_ENABLE 0x20 +#define SIS_CMD_QUEUE_SIZE_512k 0x00 +#define SIS_CMD_QUEUE_SIZE_1M 0x04 +#define SIS_CMD_QUEUE_SIZE_2M 0x08 +#define SIS_CMD_QUEUE_SIZE_4M 0x0C +#define SIS_CMD_QUEUE_RESET 0x01 +#define SIS_CMD_AUTO_CORR 0x02 + + + write_sis_cmd (COMMAND_QUEUE_THRESHOLD, IND_SIS_CMDQUEUE_THRESHOLD); + write_sis_cmd (SIS_CMD_QUEUE_RESET, IND_SIS_CMDQUEUE_SET); + framebuffer.mmioptr[0x85C4 / 4] = framebuffer.mmioptr[0x85C8 / 4]; + write_sis_cmd (SIS_MMIO_CMD_ENABLE | SIS_CMD_AUTO_CORR, IND_SIS_CMDQUEUE_SET); + framebuffer.mmioptr[0x85C0 / 4] = (0x1000000 - (512 * 1024)); + } +#endif + +#ifndef TEST + err = grub_video_fb_setup (mode_type, mode_mask, + &framebuffer.mode_info, + framebuffer.ptr, NULL, NULL); + if (err) + return err; + + /* Copy default palette to initialize emulated palette. */ + err = grub_video_fb_set_palette (0, GRUB_VIDEO_FBSTD_EXT_NUMCOLORS, + grub_video_fbstd_colors); +#endif + return err; +} + +#ifndef TEST + +static grub_err_t +grub_video_sis315pro_swap_buffers (void) +{ + grub_size_t s; + s = (framebuffer.mode_info.height + * framebuffer.mode_info.pitch + * framebuffer.mode_info.bytes_per_pixel); + grub_video_fb_swap_buffers (); + grub_arch_sync_dma_caches (framebuffer.ptr, s); + return GRUB_ERR_NONE; +} + +static grub_err_t +grub_video_sis315pro_get_info_and_fini (struct grub_video_mode_info *mode_info, + void **framebuf) +{ + grub_memcpy (mode_info, &(framebuffer.mode_info), sizeof (*mode_info)); + *framebuf = (void *) framebuffer.direct_ptr; + + grub_video_fb_fini (); + + return GRUB_ERR_NONE; +} + +static struct grub_video_adapter grub_video_sis315pro_adapter = + { + .name = "SIS315PRO Video Driver", + .id = GRUB_VIDEO_DRIVER_SIS315PRO, + + .prio = GRUB_VIDEO_ADAPTER_PRIO_NATIVE, + + .init = grub_video_sis315pro_video_init, + .fini = grub_video_sis315pro_video_fini, + .setup = grub_video_sis315pro_setup, + .get_info = grub_video_fb_get_info, + .get_info_and_fini = grub_video_sis315pro_get_info_and_fini, + .set_palette = grub_video_fb_set_palette, + .get_palette = grub_video_fb_get_palette, + .set_viewport = grub_video_fb_set_viewport, + .get_viewport = grub_video_fb_get_viewport, + .set_region = grub_video_fb_set_region, + .get_region = grub_video_fb_get_region, + .set_area_status = grub_video_fb_set_area_status, + .get_area_status = grub_video_fb_get_area_status, + .map_color = grub_video_fb_map_color, + .map_rgb = grub_video_fb_map_rgb, + .map_rgba = grub_video_fb_map_rgba, + .unmap_color = grub_video_fb_unmap_color, + .fill_rect = grub_video_fb_fill_rect, + .blit_bitmap = grub_video_fb_blit_bitmap, + .blit_render_target = grub_video_fb_blit_render_target, + .scroll = grub_video_fb_scroll, + .swap_buffers = grub_video_sis315pro_swap_buffers, + .create_render_target = grub_video_fb_create_render_target, + .delete_render_target = grub_video_fb_delete_render_target, + .set_active_render_target = grub_video_fb_set_active_render_target, + .get_active_render_target = grub_video_fb_get_active_render_target, + + .next = 0 + }; + +GRUB_MOD_INIT(video_sis315pro) +{ + grub_video_register (&grub_video_sis315pro_adapter); +} + +GRUB_MOD_FINI(video_sis315pro) +{ + grub_video_unregister (&grub_video_sis315pro_adapter); +} +#else +int +main () +{ + grub_video_sis315pro_setup (640, 400, 0, 0); +} +#endif |