diff options
Diffstat (limited to 'drivers/video/rivafb.c')
| -rw-r--r-- | drivers/video/rivafb.c | 1891 |
1 files changed, 0 insertions, 1891 deletions
diff --git a/drivers/video/rivafb.c b/drivers/video/rivafb.c deleted file mode 100644 index c48f7a08a..000000000 --- a/drivers/video/rivafb.c +++ /dev/null @@ -1,1891 +0,0 @@ -/* - * linux/drivers/video/rivafb.c - nVidia RIVA 128/TNT/TNT2 fb driver - * - * Copyright 1999 Jeff Garzik <jgarzik@mandrakesoft.com> - * - * Contributors: - * - * ani joshi: Lots of debugging and cleanup work, really helped - * get the driver going - * - * Initial template from skeletonfb.c, created 28 Dec 1997 by Geert Uytterhoeven - * Includes riva_hw.c from nVidia, see copyright below. - * KGI code provided the basis for state storage, init, and mode switching. - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file COPYING in the main directory of this archive - * for more details. - */ - -/* version number of this driver */ -#define RIVAFB_VERSION "0.6.5" - -#include <linux/config.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/selection.h> -#include <linux/tty.h> -#include <linux/malloc.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/init.h> -#include <linux/pci.h> - -#include <video/fbcon.h> - -#include "riva_hw.h" -#include "nv4ref.h" -#include "nvreg.h" -#include "vga.h" -#include <video/fbcon-cfb4.h> -#include <video/fbcon-cfb8.h> -#include <video/fbcon-cfb16.h> -#include <video/fbcon-cfb32.h> - -#ifndef CONFIG_PCI /* sanity check */ -#error This driver requires PCI support. -#endif - -/***************************************************************** - * - * various helpful macros and constants - * - */ - -/* #define RIVAFBDEBUG */ -#ifdef RIVAFBDEBUG -#define DPRINTK(fmt, args...) printk(KERN_DEBUG "%s: " fmt, __FUNCTION__ , ## args) -#else -#define DPRINTK(fmt, args...) -#endif - -#ifndef RIVA_NDEBUG -#define assert(expr) \ - if(!(expr)) { \ - printk( "Assertion failed! %s,%s,%s,line=%d\n",\ - #expr,__FILE__,__FUNCTION__,__LINE__); \ - *(int*)0 = 0; \ - } -#else -#define assert(expr) -#endif - -/* GGI compatibility macros */ -#define io_out8 outb -#define io_in8 inb -#define FatalError panic -#define NUM_SEQ_REGS 0x05 -#define NUM_CRT_REGS 0x41 -#define NUM_GRC_REGS 0x09 -#define NUM_ATC_REGS 0x15 - -/* max number of VGA controllers we scan for */ -#define RIVA_MAX_VGA_CONTROLLERS 8 - -#define PFX "rivafb: " - -#define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16) - -/* macro that allows you to set overflow bits */ -#define SetBitField(value,from,to) SetBF(to,GetBF(value,from)) -#define SetBit(n) (1<<(n)) -#define Set8Bits(value) ((value)&0xff) - -struct riva_chip_info { - const char *name; - unsigned arch_rev; - unsigned short vendor; - unsigned short device; -}; - - -static const struct riva_chip_info riva_pci_probe_list[] = -{ - {"RIVA-128", 3, PCI_VENDOR_ID_NVIDIA_SGS, PCI_DEVICE_ID_NVIDIA_SGS_RIVA128}, - {"RIVA-TNT", 4, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT}, - {"RIVA-TNT2", 5, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT2}, - {"RIVA-TNT2", 5, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_UTNT2}, - {"RIVA-TNT2", 5, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_VTNT2}, - {"RIVA-TNT2", 5, PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_ITNT2}, - {NULL, 0, 0, 0} -}; - - -/* holds the state of the VGA core and extended Riva hw state from riva_hw.c. - * From KGI originally. */ -struct riva_regs { - u8 attr[0x15]; - u8 crtc[0x41]; - u8 gra[0x09]; - u8 seq[0x05]; - u8 misc_output; - RIVA_HW_STATE ext; -}; - - -/* - * describes the state of a Riva board - */ -struct rivafb_par { - struct riva_regs state; /* state of hw board */ - __u32 visual; /* FB_VISUAL_xxx */ - unsigned depth; /* bpp of current mode */ -}; - -typedef struct { - unsigned char red, green, blue, transp; -} riva_cfb8_cmap_t; - - - -struct rivafb_info; -struct rivafb_info { - struct fb_info info; /* kernel framebuffer info */ - - RIVA_HW_INST riva; /* interface to riva_hw.c */ - - const char *drvr_name; /* Riva hardware board type */ - - unsigned long ctrl_base_phys; /* physical control register base addr */ - unsigned long fb_base_phys; /* physical framebuffer base addr */ - - caddr_t ctrl_base; /* virtual control register base addr */ - caddr_t fb_base; /* virtual framebuffer base addr */ - - unsigned ram_amount; /* amount of RAM on card, in megabytes */ - unsigned dclk_max; /* max DCLK */ - - struct riva_regs initial_state; /* initial startup video mode */ - - struct display disp; - int currcon; - struct display *currcon_display; - - struct rivafb_info *next; - - struct pci_dev *pd; /* pointer to board's pci info */ - unsigned base0_region_size; /* size of control register region */ - unsigned base1_region_size; /* size of framebuffer region */ - -#ifdef FBCON_HAS_CFB8 - riva_cfb8_cmap_t palette[256]; /* VGA DAC palette cache */ -#endif - -#if defined(FBCON_HAS_CFB16) || defined(FBCON_HAS_CFB32) - union { -#ifdef FBCON_HAS_CFB16 - u_int16_t cfb16[16]; -#endif -#ifdef FBCON_HAS_CFB32 - u_int32_t cfb32[16]; -#endif - } con_cmap; -#endif /* FBCON_HAS_CFB16 | FBCON_HAS_CFB32 */ -}; - -/* ------------------- global variables ------------------------ */ - - -static struct rivafb_info *riva_boards = NULL; - -/* command line data, set in rivafb_setup() */ -static char fontname[40] __initdata = { 0 }; -static char noaccel __initdata = 0; /* unused */ -#ifndef MODULE -static const char *mode_option __initdata = NULL; -#endif - - -/* ------------------- prototypes ------------------------------ */ - -int rivafb_open (struct fb_info *info, int user); -int rivafb_release (struct fb_info *info, int user); -int rivafb_get_fix (struct fb_fix_screeninfo *fix, int con, - struct fb_info *info); -int rivafb_get_var (struct fb_var_screeninfo *var, int con, - struct fb_info *info); -int rivafb_set_var (struct fb_var_screeninfo *var, int con, - struct fb_info *info); -int rivafb_get_cmap (struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -int rivafb_set_cmap (struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -int rivafb_pan_display (struct fb_var_screeninfo *var, int con, - struct fb_info *info); -int rivafb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg, int con, struct fb_info *info); -int rivafb_switch(int con, struct fb_info *info); -void rivafb_blank (int blank, struct fb_info *info); - -static void riva_load_video_mode (struct rivafb_info *rivainfo, - struct fb_var_screeninfo *video_mode); -static int riva_getcolreg (unsigned regno, unsigned *red, unsigned *green, - unsigned *blue, unsigned *transp, - struct fb_info *info); -static int riva_setcolreg (unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info); -static int riva_get_cmap_len(const struct fb_var_screeninfo *var); - -static u32 riva_pci_region_size (struct pci_dev *pd, unsigned baseaddr); - -static void riva_pci_iounmap (struct rivafb_info *rinfo); -static int riva_pci_register (struct pci_dev *pd, const struct riva_chip_info *rci); -static int riva_pci_register_devices (void); -static int riva_set_fbinfo (struct rivafb_info *rinfo); - -static -void riva_save_state(struct rivafb_info *rinfo, struct riva_regs *regs); -static -void riva_load_state(struct rivafb_info *rinfo, struct riva_regs *regs); -static -struct rivafb_info *riva_board_list_add(struct rivafb_info *board_list, - struct rivafb_info *new_node); - -#if 0 -static void riva_pci_region_init (struct pci_dev *pd, struct rivafb_info *rinfo); -#endif - -static void riva_wclut (unsigned char regnum, unsigned char red, - unsigned char green, unsigned char blue); - - - - -/* kernel interface */ -static struct fb_ops riva_fb_ops = -{ - rivafb_open, - rivafb_release, - rivafb_get_fix, - rivafb_get_var, - rivafb_set_var, - rivafb_get_cmap, - rivafb_set_cmap, - rivafb_pan_display, - rivafb_ioctl -}; - - - - -/* from GGI */ -static const struct riva_regs reg_template = -{ - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, /* ATTR */ - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x41, 0x01, 0x0F, 0x13, 0x00 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* CRT */ - 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xE3, /* 0x10 */ - 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x20 */ - 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x30 */ - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, /* 0x40 */ - }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x40, 0x05, 0x0F, /* GRA */ - 0xFF }, - { 0x03, 0x01, 0x0F, 0x00, 0x0E}, /* SEQ */ - 0xEB /* MISC */ -}; - - - -/* ------------------- general utility functions -------------------------- */ - -/** - * riva_set_dispsw - * @rivainfo: pointer to internal driver struct for a given Riva card - * - * DESCRIPTION: - * Sets up console Low level operations depending on the current? color depth - * of the display - */ - -void riva_set_dispsw (struct rivafb_info *rinfo) -{ - struct display *disp = &rinfo->disp; - - DPRINTK ("ENTER\n"); - - assert (rinfo != NULL); - - disp->dispsw_data = NULL; - - switch (disp->var.bits_per_pixel) { -#ifdef FBCON_HAS_MFB - case 1: - disp->dispsw = &fbcon_mfb; - break; -#endif -#ifdef FBCON_HAS_CFB4 - case 4: - disp->dispsw = &fbcon_cfb4; - break; -#endif -#ifdef FBCON_HAS_CFB8 - case 8: - disp->dispsw = &fbcon_cfb8; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 15: - case 16: - disp->dispsw = &fbcon_cfb16; - disp->dispsw_data = &rinfo->con_cmap.cfb16; - break; -#endif -#ifdef FBCON_HAS_CFB24 - case 24: - disp->dispsw = &fbcon_cfb24; - disp->dispsw_data = rinfo->con_cmap.cfb24; - break; -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - disp->dispsw = &fbcon_cfb32; - disp->dispsw_data = rinfo->con_cmap.cfb32; - break; -#endif - default: - DPRINTK ("Setting fbcon_dummy renderer\n"); - disp->dispsw = &fbcon_dummy; - } - - DPRINTK ("EXIT\n"); -} - - - - -static int riva_init_disp_var (struct rivafb_info *rinfo) -{ - if (mode_option) - fb_find_mode(&rinfo->disp.var, &rinfo->info, mode_option, - NULL, 0, NULL, 8); - else - fb_find_mode(&rinfo->disp.var, &rinfo->info, - "640x480-8@60", NULL, 0, NULL, 8); - return 0; -} - - - - -static int __init riva_init_disp (struct rivafb_info *rinfo) -{ - struct fb_info *info; - struct display *disp; - - DPRINTK("ENTER\n"); - - assert (rinfo != NULL); - - info = &rinfo->info; - disp = &rinfo->disp; - - info->disp = disp; - -#warning FIXME: assure that disp->cmap is completely filled out - - disp->screen_base = rinfo->fb_base; - disp->visual = FB_VISUAL_PSEUDOCOLOR; - disp->type = FB_TYPE_PACKED_PIXELS; - disp->type_aux = 0; - disp->ypanstep = 1; - disp->ywrapstep = 0; - disp->next_line = disp->line_length = - (disp->var.xres_virtual * disp->var.bits_per_pixel) >> 3; - disp->can_soft_blank = 1; - disp->inverse = 0; - - riva_set_dispsw(rinfo); - - rinfo->currcon_display = disp; - - if ((riva_init_disp_var (rinfo)) < 0) { /* must be done last */ - DPRINTK("EXIT, returning -1\n"); - return -1; - } - - DPRINTK("EXIT, returning 0\n"); - return 0; - -} - - - -static int __init riva_set_fbinfo (struct rivafb_info *rinfo) -{ - struct fb_info *info; - - assert (rinfo != NULL); - - info = &rinfo->info; - - strcpy (info->modename, rinfo->drvr_name); - info->node = -1; - info->flags = FBINFO_FLAG_DEFAULT; - info->fbops = &riva_fb_ops; - -#warning FIXME: set monspecs to what??? - - info->display_fg = NULL; /* FIXME: correct? */ - strncpy (info->fontname, fontname, sizeof (info->fontname)); - info->fontname[sizeof (info->fontname) - 1] = 0; - - info->changevar = NULL; /* FIXME: needed? */ - info->switch_con = rivafb_switch; - info->updatevar = NULL; /* FIXME? */ - info->blank = rivafb_blank; - - if (riva_init_disp (rinfo) < 0) /* must be done last */ - return -1; - - return 0; -} - - - - -/* ----------------------------- PCI bus ----------------------------- */ - - - - -/** - * riva_pci_region_size - * @pd: pointer to PCI device to be configured - * - * DESCRIPTION: - * Obtains from the PCI bus the size of the address space allocated to - * the given card's base address zero region. - */ - -static -u32 riva_pci_region_size (struct pci_dev *pd, unsigned baseaddr) -{ - return pd->resource[baseaddr].end - pd->resource[baseaddr].start + 1; -} - - - - -#if 0 - -/** - * riva_pci_iomap - * @nv: - * - * DESCRIPTION: - */ - -static -void riva_pci_region_init (struct pci_dev *pd, struct rivafb_info *rinfo) -{ - unsigned long addr; - - assert (rinfo != NULL); - assert (pd != NULL); - - rinfo->pd = pd; - rinfo->base0_region_size = riva_pci_region_size (pd, PCI_BASE_ADDRESS_0); - assert(rinfo->base0_region_size >= 0x00800000); /* from GGI */ - rinfo->base1_region_size = riva_pci_region_size (pd, PCI_BASE_ADDRESS_1); - assert(rinfo->base0_region_size >= 0x01000000); /* from GGI */ - - /* Get the base addresses */ - pcibios_read_config_dword(0, rinfo->pd->devfn, PCI_BASE_ADDRESS_0, - (unsigned int*)&addr); -#ifdef SHOULDUSETHAT - /* This function should return an int. */ - if (!addr) - return -ENXIO; -#endif - - rinfo->ctrl_base_phys = addr & PCI_BASE_ADDRESS_MEM_MASK; - - pcibios_read_config_dword(0, rinfo->pd->devfn, PCI_BASE_ADDRESS_1, - (unsigned int*)&addr); - - rinfo->fb_base_phys = addr & PCI_BASE_ADDRESS_MEM_MASK; - - rinfo->ctrl_base = ioremap (rinfo->ctrl_base_phys, rinfo->base0_region_size); - assert (rinfo->ctrl_base != NULL); - rinfo->fb_base = ioremap (rinfo->fb_base_phys, rinfo->base1_region_size); - assert (rinfo->fb_base != NULL); - - rinfo->riva.EnableIRQ = 0; - rinfo->riva.IO = (inb(0x3CC) & 0x01) ? 0x3D0 : 0x3B0; - rinfo->riva.PRAMDAC = (unsigned *)(rinfo->ctrl_base+0x00680000); - rinfo->riva.PFB = (unsigned *)(rinfo->ctrl_base+0x00100000); - rinfo->riva.PFIFO = (unsigned *)(rinfo->ctrl_base+0x00002000); - rinfo->riva.PGRAPH = (unsigned *)(rinfo->ctrl_base+0x00400000); - rinfo->riva.PEXTDEV = (unsigned *)(rinfo->ctrl_base+0x00101000); - rinfo->riva.PTIMER = (unsigned *)(rinfo->ctrl_base+0x00009000); - rinfo->riva.PMC = (unsigned *)(rinfo->ctrl_base+0x00000000); - rinfo->riva.FIFO = (unsigned *)(rinfo->ctrl_base+0x00800000); - - switch (rinfo->riva.Architecture) - { - case 3: - rinfo->riva.PRAMIN = (unsigned *)(rinfo->ctrl_base+0x00C00000); - break; - case 4: - case 5: - rinfo->riva.PCRTC = (unsigned *)(rinfo->ctrl_base+0x00600000); - rinfo->riva.PRAMIN = (unsigned *)(rinfo->ctrl_base+0x00710000); - break; - } -} - -#endif /* 0 */ - - - -/** - * riva_pci_iounmap - * @rinfo: - * - * DESCRIPTION: - */ - -static -void riva_pci_iounmap (struct rivafb_info *rinfo) -{ - assert (rinfo != NULL); - assert (rinfo->ctrl_base_phys != 0x00000000); - assert (rinfo->ctrl_base != NULL); - assert (rinfo->fb_base_phys != 0x00000000); - assert (rinfo->fb_base != NULL); - - iounmap (rinfo->ctrl_base); - iounmap (rinfo->fb_base); -} - - - - - -static void __init riva_init_clut (struct rivafb_info *fb_info) -{ - int j, k; - - for (j = 0; j < 256; j++) { - if (j < 16) { - k = color_table[j]; - fb_info->palette[j].red = default_red[k]; - fb_info->palette[j].green = default_grn[k]; - fb_info->palette[j].blue = default_blu[k]; - } else { - fb_info->palette[j].red = - fb_info->palette[j].green = - fb_info->palette[j].blue = j; - } - - riva_wclut (j, - fb_info->palette[j].red, - fb_info->palette[j].green, - fb_info->palette[j].blue); - } -} - - - -static int __init riva_pci_register (struct pci_dev *pd, - const struct riva_chip_info *rci) -{ - struct rivafb_info *rinfo; - - assert (pd != NULL); - assert (rci != NULL); - - rinfo = kmalloc (sizeof (struct rivafb_info), GFP_KERNEL); - assert (rinfo != NULL); - memset (rinfo, 0, sizeof (struct rivafb_info)); - - rinfo->drvr_name = rci->name; - rinfo->riva.Architecture = rci->arch_rev; - - rinfo->pd = pd; - rinfo->base0_region_size = riva_pci_region_size (pd, 0); - rinfo->base1_region_size = riva_pci_region_size (pd, 1); - - assert(rinfo->base0_region_size >= 0x00800000); /* from GGI */ - assert(rinfo->base0_region_size >= 0x01000000); /* from GGI */ - - rinfo->ctrl_base_phys = rinfo->pd->resource[0].start; - rinfo->fb_base_phys = rinfo->pd->resource[1].start; - - request_region(0x3C0, 32, "rivafb"); - - if (!request_mem_region(rinfo->ctrl_base_phys, - rinfo->base0_region_size, "rivafb") || - !request_mem_region(rinfo->fb_base_phys, rinfo->base1_region_size, - "rivafb")) { - printk (KERN_ERR PFX "cannot reserve MMIO region\n"); - return -ENXIO; - } - - rinfo->ctrl_base = ioremap (rinfo->ctrl_base_phys, - rinfo->base0_region_size); - assert (rinfo->ctrl_base != NULL); - - rinfo->fb_base = ioremap (rinfo->fb_base_phys, - rinfo->base1_region_size); - assert (rinfo->fb_base != NULL); - - rinfo->riva.EnableIRQ = 0; - rinfo->riva.IO = (inb(0x3CC) & 0x01) ? 0x3D0 : 0x3B0; - rinfo->riva.PRAMDAC = (unsigned *)(rinfo->ctrl_base+0x00680000); - rinfo->riva.PFB = (unsigned *)(rinfo->ctrl_base+0x00100000); - rinfo->riva.PFIFO = (unsigned *)(rinfo->ctrl_base+0x00002000); - rinfo->riva.PGRAPH = (unsigned *)(rinfo->ctrl_base+0x00400000); - rinfo->riva.PEXTDEV = (unsigned *)(rinfo->ctrl_base+0x00101000); - rinfo->riva.PTIMER = (unsigned *)(rinfo->ctrl_base+0x00009000); - rinfo->riva.PMC = (unsigned *)(rinfo->ctrl_base+0x00000000); - rinfo->riva.FIFO = (unsigned *)(rinfo->ctrl_base+0x00800000); - - switch (rinfo->riva.Architecture) - { - case 3: - rinfo->riva.PRAMIN = (unsigned *)(rinfo->ctrl_base+0x00C00000); - break; - case 4: - case 5: - rinfo->riva.PCRTC = (unsigned *)(rinfo->ctrl_base+0x00600000); - rinfo->riva.PRAMIN = (unsigned *)(rinfo->ctrl_base+0x00710000); - break; - } - - RivaGetConfig(&rinfo->riva); - - /* back to normal */ - - assert (rinfo->pd != NULL); - - /* unlock io */ - vga_io_wcrt (0x11, 0xFF); /* vgaHWunlock() + riva unlock (0x7F) */ - outb(rinfo->riva.LockUnlockIO, rinfo->riva.LockUnlockIndex); - outb(rinfo->riva.LockUnlockIO + 1, 0x57); - - memcpy (&rinfo->initial_state, ®_template, sizeof (reg_template)); - riva_save_state (rinfo, &rinfo->initial_state); - - rinfo->ram_amount = rinfo->riva.RamAmountKBytes * 1024; - rinfo->dclk_max = rinfo->riva.MaxVClockFreqKHz * 1000; - - riva_set_fbinfo (rinfo); - - riva_init_clut (rinfo); - - riva_load_video_mode (rinfo, &rinfo->disp.var); - - if (register_framebuffer ((struct fb_info *) rinfo) < 0) { - printk(KERN_ERR PFX "error registering riva framebuffer\n"); - kfree (rinfo); - return -1; - } - - riva_boards = riva_board_list_add (riva_boards, rinfo); - - printk("PCI Riva NV%d framebuffer ver %s (%s, %dMB @ 0x%lX)\n", - rinfo->riva.Architecture, - RIVAFB_VERSION, - rinfo->drvr_name, - rinfo->ram_amount / (1024 * 1024), - rinfo->fb_base_phys); - - return 0; -} - - - - -static int __init riva_pci_register_devices (void) -{ - struct pci_dev *pd; - const struct riva_chip_info *nci = &riva_pci_probe_list[0]; - - assert (nci != NULL); - while (nci->name != NULL) { - pd = pci_find_device (nci->vendor, nci->device, NULL); - while (pd != NULL) { - if (riva_pci_register (pd, nci) < 0) - return -1; - - pd = pci_find_device (nci->vendor, nci->device, pd); - } - - nci++; - } - - return 0; -} - - - -/*** riva_wclut - set CLUT entry ***/ -static void riva_wclut (unsigned char regnum, unsigned char red, - unsigned char green, unsigned char blue) -{ - unsigned int data = VGA_PEL_D; - - /* address write mode register is not translated.. */ - vga_io_w (VGA_PEL_IW, regnum); - - vga_io_w (data, red); - vga_io_w (data, green); - vga_io_w (data, blue); -} - - - -/* ------------ Hardware Independent Functions ------------ */ - -int __init rivafb_setup(char *options) -{ - char *this_opt; - - if (!options || !*options) - return 0; - - for (this_opt = strtok(options, ","); this_opt; - this_opt = strtok(NULL, ",")) { - if (!strncmp(this_opt, "font:", 5)) { - char *p; - int i; - - p = this_opt + 5; - for (i = 0; i < sizeof(fontname) - 1; i++) - if (!*p || *p == ' ' || *p == ',') - break; - memcpy(fontname, this_opt + 5, i); - fontname[i] = 0; - } - - else if (!strncmp(this_opt, "noaccel", 7)) { - noaccel = 1; - } - - else - mode_option = this_opt; - } - return 0; -} - - /* - * Initialization - */ - -int __init rivafb_init (void) -{ - if (riva_pci_register_devices () < 0) - return -ENXIO; - - if (riva_boards == NULL) - return -ENODEV; - - return 0; -} - - -/* ------------------------------------------------------------------------- */ - /* - * Cleanup - */ - -void __exit rivafb_cleanup (struct fb_info *info) -{ -#warning FIXME: is this all we need to do? - - struct rivafb_info *tmp, *board = riva_boards; - - while (board != NULL) { - riva_load_state (board, &board->initial_state); - riva_pci_iounmap (board); - - unregister_framebuffer ((struct fb_info *) board); - - tmp = board; - board = board->next; - - kfree_s (tmp, sizeof (struct rivafb_info)); - } - - (void) info; /* unused function arg */ -} - - - - - /* - * Frame buffer operations - */ - -int rivafb_open(struct fb_info *info, int user) -{ - /* Nothing, only a usage count for the moment */ - MOD_INC_USE_COUNT; - return 0; -} - -int rivafb_release(struct fb_info *info, int user) -{ - MOD_DEC_USE_COUNT; - return 0; -} - - -/** - * rivafb_get_fix - * @fix: - * @con: - * @info: - * - * DESCRIPTION: - */ - -int rivafb_get_fix (struct fb_fix_screeninfo *fix, int con, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct display *p; - - DPRINTK ("ENTER\n"); - - assert (fix != NULL); - assert (info != NULL); - assert (rivainfo->drvr_name && rivainfo->drvr_name[0]); - assert (rivainfo->fb_base_phys > 0); - assert (rivainfo->ram_amount > 0); - - p = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - - memset (fix, 0, sizeof (struct fb_fix_screeninfo)); - sprintf (fix->id, "Riva %s", rivainfo->drvr_name); - - fix->smem_start = rivainfo->fb_base_phys; - fix->smem_len = rivainfo->ram_amount; - - fix->type = p->type; - fix->type_aux = p->type_aux; - fix->visual = p->visual; - - fix->xpanstep = 1; - fix->ypanstep = 1; - fix->ywrapstep = 0; /* FIXME: no ywrap for now */ - - fix->line_length = p->line_length; - -#warning FIXME: set up MMIO region - fix->mmio_start = 0; - fix->mmio_len = 0; - -#warning FIXME: reference riva acceleration fb.h constant here - fix->accel = FB_ACCEL_NONE; - - DPRINTK ("EXIT, returning 0\n"); - - return 0; -} - - - -/** - * rivafb_get_var - * @var: - * @con: - * @info: - * - * DESCRIPTION: - */ - -int rivafb_get_var (struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - - DPRINTK ("ENTER\n"); - - assert (info != NULL); - assert (var != NULL); - - *var = (con < 0) ? rivainfo->disp.var : fb_display[con].var; - - DPRINTK ("EXIT, returning 0\n"); - - return 0; -} - - - -/** - * rivafb_set_var - * @var: - * @con: - * @info: - * - * DESCRIPTION: - */ - -int rivafb_set_var (struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct display *dsp; - struct fb_var_screeninfo v; - int nom, den; /* translating from pixels->bytes */ - int i; - unsigned chgvar = 0; - static struct { - int xres, yres; - } modes[] = { - { 1600, 1280 }, - { 1280, 1024 }, - { 1024, 768 }, - { 800, 600 }, - { 640, 480 }, - { -1, -1 } - }; - - DPRINTK ("ENTER\n"); - - assert (info != NULL); - assert (var != NULL); - - DPRINTK ("Requested: %dx%dx%d\n", var->xres, var->yres, var->bits_per_pixel); - DPRINTK (" virtual: %dx%d\n", var->xres_virtual, var->yres_virtual); - DPRINTK (" offset: (%d,%d)\n", var->xoffset, var->yoffset); - DPRINTK ("grayscale: %d\n", var->grayscale); - - dsp = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - assert (dsp != NULL); - - /* if var has changed, we should call changevar() later */ - if (con >= 0) { - chgvar = ((dsp->var.xres != var->xres) || - (dsp->var.yres != var->yres) || - (dsp->var.xres_virtual != var->xres_virtual) || - (dsp->var.yres_virtual != var->yres_virtual) || - (dsp->var.bits_per_pixel != var->bits_per_pixel) || - memcmp(&dsp->var.red, &var->red, sizeof(var->red)) || - memcmp(&dsp->var.green, &var->green, sizeof(var->green)) || - memcmp(&dsp->var.blue, &var->blue, sizeof(var->blue))); - } - - memcpy (&v, var, sizeof (v)); - - switch (v.bits_per_pixel) { -#ifdef FBCON_HAS_MFB - case 1: - dsp->dispsw = &fbcon_mfb; - dsp->line_length = v.xres_virtual / 8; - dsp->visual = FB_VISUAL_MONO10; - nom = 4; - den = 8; - break; -#endif - -#ifdef FBCON_HAS_CFB8 - case 2 ... 8: - v.bits_per_pixel = 8; - dsp->dispsw = &fbcon_cfb8; - nom = 1; - den = 1; - dsp->line_length = v.xres_virtual; - dsp->visual = FB_VISUAL_PSEUDOCOLOR; - v.red.offset = 0; - v.red.length = 6; - v.green.offset = 0; - v.green.length = 6; - v.blue.offset = 0; - v.blue.length = 6; - break; -#endif - -#ifdef FBCON_HAS_CFB16 - case 9 ... 16: - v.bits_per_pixel = 16; - dsp->dispsw = &fbcon_cfb16; - dsp->dispsw_data = &rivainfo->con_cmap.cfb16; - nom = 2; - den = 1; - dsp->line_length = v.xres_virtual * 2; - dsp->visual = FB_VISUAL_DIRECTCOLOR; -#ifdef CONFIG_PREP - v.red.offset = 2; - v.green.offset = -3; - v.blue.offset = 8; -#else - v.red.offset = 10; - v.green.offset = 5; - v.blue.offset = 0; -#endif - v.red.length = 5; - v.green.length = 5; - v.blue.length = 5; - break; -#endif - -#ifdef FBCON_HAS_CFB32 - case 17 ... 32: - v.bits_per_pixel = 32; - dsp->dispsw = &fbcon_cfb32; - dsp->dispsw_data = rivainfo->con_cmap.cfb32; - nom = 4; - den = 1; - dsp->line_length = v.xres_virtual * 4; - dsp->visual = FB_VISUAL_DIRECTCOLOR; -#ifdef CONFIG_PREP - v.red.offset = 8; - v.green.offset = 16; - v.blue.offset = 24; -#else - v.red.offset = 16; - v.green.offset = 8; - v.blue.offset = 0; -#endif - v.red.length = 8; - v.green.length = 8; - v.blue.length = 8; - break; -#endif - - default: - printk (KERN_ERR PFX "mode %dx%dx%d rejected...color depth not supported.\n", - var->xres, var->yres, var->bits_per_pixel); - DPRINTK ("EXIT, returning -EINVAL\n"); - return -EINVAL; - } - - if (v.xres * nom / den * v.yres > rivainfo->ram_amount) { - printk (KERN_ERR PFX "mode %dx%dx%d rejected...resolution too high to fit into video memory!\n", - var->xres, var->yres, var->bits_per_pixel); - DPRINTK ("EXIT - EINVAL error\n"); - return -EINVAL; - } - - /* use highest possible virtual resolution */ - if (v.xres_virtual == -1 && - v.yres_virtual == -1) { - printk (KERN_WARNING PFX "using maximum available virtual resolution\n"); - for (i = 0; modes[i].xres != -1; i++) { - if (modes[i].xres * nom / den * modes[i].yres < rivainfo->ram_amount / 2) - break; - } - if (modes[i].xres == -1) { - printk (KERN_ERR PFX "could not find a virtual resolution that fits into video memory!!\n"); - DPRINTK ("EXIT - EINVAL error\n"); - return -EINVAL; - } - v.xres_virtual = modes[i].xres; - v.yres_virtual = modes[i].yres; - - printk (KERN_INFO PFX "virtual resolution set to maximum of %dx%d\n", - v.xres_virtual, v.yres_virtual); - } else if (v.xres_virtual == -1) { - /* FIXME: maximize X virtual resolution only */ - } else if (v.yres_virtual == -1) { - /* FIXME: maximize Y virtual resolution only */ - } - - if (v.xoffset < 0) - v.xoffset = 0; - if (v.yoffset < 0) - v.yoffset = 0; - - /* truncate xoffset and yoffset to maximum if too high */ - if (v.xoffset > v.xres_virtual - v.xres) - v.xoffset = v.xres_virtual - v.xres - 1; - - if (v.yoffset > v.yres_virtual - v.yres) - v.yoffset = v.yres_virtual - v.yres - 1; - - v.red.msb_right = - v.green.msb_right = - v.blue.msb_right = - v.transp.offset = - v.transp.length = - v.transp.msb_right = 0; - - switch (v.activate & FB_ACTIVATE_MASK) { - case FB_ACTIVATE_TEST: - DPRINTK ("EXIT - FB_ACTIVATE_TEST\n"); - return 0; - case FB_ACTIVATE_NXTOPEN: /* ?? */ - case FB_ACTIVATE_NOW: - break; /* continue */ - default: - DPRINTK ("EXIT - unknown activation type\n"); - return -EINVAL; /* unknown */ - } - - dsp->type = FB_TYPE_PACKED_PIXELS; - -#warning FIXME: verify that the above code sets dsp->* fields correctly - - memcpy (&dsp->var, &v, sizeof (v)); - - riva_load_video_mode (rivainfo, &v); - - if (chgvar && info && info->changevar) - info->changevar (con); - - DPRINTK ("EXIT, returning 0\n"); - return 0; -} - - - -/** - * rivafb_get_cmap - * @cmap: - * @kspc: - * @con: - * @info: - * - * DESCRIPTION: - * - * NOTES: - * Copied from matroxfb::matroxfb_get_cmap() - */ - -int rivafb_get_cmap (struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct display *dsp; - - DPRINTK ("ENTER\n"); - - assert (rivainfo != NULL); - assert (cmap != NULL); - - dsp = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - - if (con == rivainfo->currcon) { /* current console? */ - int rc = fb_get_cmap (cmap, kspc, riva_getcolreg, info); - DPRINTK ("EXIT - returning %d\n", rc); - return rc; - } else if (dsp->cmap.len) /* non default colormap? */ - fb_copy_cmap (&dsp->cmap, cmap, kspc ? 0 : 2); - else - fb_copy_cmap (fb_default_cmap (riva_get_cmap_len (&dsp->var)), - cmap, kspc ? 0 : 2); - - DPRINTK ("EXIT, returning 0\n"); - - return 0; -} - - -/** - * rivafb_set_cmap - * @cmap: - * @kspc: - * @con: - * @info: - * - * DESCRIPTION: - * - * NOTES: - * Copied from matroxfb::matroxfb_set_cmap() - */ - -int rivafb_set_cmap (struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct display *dsp; - unsigned int cmap_len; - - DPRINTK ("ENTER\n"); - - assert (rivainfo != NULL); - assert (cmap != NULL); - - dsp = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - - cmap_len = riva_get_cmap_len (&dsp->var); - if (dsp->cmap.len != cmap_len) { - int err = fb_alloc_cmap (&dsp->cmap, cmap_len, 0); - if (err) { - DPRINTK ("EXIT - returning %d\n", err); - return err; - } - } - if (con == rivainfo->currcon) { /* current console? */ - int rc = fb_set_cmap (cmap, kspc, riva_setcolreg, info); - DPRINTK ("EXIT - returning %d\n", rc); - return rc; - } else - fb_copy_cmap (cmap, &dsp->cmap, kspc ? 0 : 1); - - DPRINTK ("EXIT, returning 0\n"); - - return 0; -} - - - -/** - * rivafb_pan_display - * @var: standard kernel fb changeable data - * @par: riva-specific hardware info about current video mode - * @info: pointer to rivafb_info object containing info for current riva board - * - * DESCRIPTION: - * Pan (or wrap, depending on the `vmode' field) the display using the - * `xoffset' and `yoffset' fields of the `var' structure. - * If the values don't fit, return -EINVAL. - * - * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag - */ - -int rivafb_pan_display (struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - unsigned int base; - struct display *dsp; - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - - DPRINTK ("ENTER\n"); - - assert (rivainfo != NULL); - - if (var->xoffset > (var->xres_virtual - var->xres)) - return -EINVAL; - if (var->yoffset > (var->yres_virtual - var->yres)) - return -EINVAL; - - dsp = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - - if (var->vmode & FB_VMODE_YWRAP) { - if (var->yoffset < 0 || var->yoffset >= dsp->var.yres_virtual || var->xoffset) - return -EINVAL; - } else { - if (var->xoffset+dsp->var.xres > dsp->var.xres_virtual || - var->yoffset+dsp->var.yres > dsp->var.yres_virtual) - return -EINVAL; - } - - base = var->yoffset * dsp->line_length + var->xoffset; - - if (con == rivainfo->currcon) { - /* FIXME: do the dirty deed */ - } - - dsp->var.xoffset = var->xoffset; - dsp->var.yoffset = var->yoffset; - - if (var->vmode & FB_VMODE_YWRAP) - dsp->var.vmode |= FB_VMODE_YWRAP; - else - dsp->var.vmode &= ~FB_VMODE_YWRAP; - - DPRINTK ("EXIT, returning 0\n"); - - return 0; -} - - - -/** - * rivafb_ioctl - * @inode: - * @file: - * @cmd: - * @arg: - * @con: - * @info: - * - * DESCRIPTION: - */ - -int rivafb_ioctl (struct inode *inode, struct file *file, unsigned int cmd, - unsigned long arg, int con, struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - - DPRINTK ("ENTER\n"); - - assert (rivainfo != NULL); - - /* no rivafb-specific ioctls */ - - DPRINTK ("EXIT, returning -EINVAL\n"); - - return -EINVAL; -} - - - - -/** - * rivafb_switch - * @con: - * @info: - * - * DESCRIPTION: - */ - -int rivafb_switch(int con, struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct fb_cmap* cmap; - struct display *dsp; - - DPRINTK("ENTER\n"); - - assert (rivainfo != NULL); - - dsp = (con < 0) ? rivainfo->info.disp : &fb_display[con]; - - if (rivainfo->currcon >= 0) { - /* Do we have to save the colormap? */ - cmap = &(rivainfo->currcon_display->cmap); - DPRINTK("switch1: con = %d, cmap.len = %d\n", rivainfo->currcon, cmap->len); - - if (cmap->len) { - DPRINTK("switch1a: %p %p %p %p\n", cmap->red, cmap->green, cmap->blue, cmap->transp); - fb_get_cmap(cmap, 1, riva_getcolreg, info); -#ifdef DEBUG - if (cmap->red) { - DPRINTK("switch1r: %X\n", cmap->red[0]); - } -#endif - } - } - rivainfo->currcon = con; - rivainfo->currcon_display = dsp; - dsp->var.activate = FB_ACTIVATE_NOW; - -#ifdef riva_DEBUG - cmap = &dsp->cmap; - DPRINTK("switch2: con = %d, cmap.len = %d\n", con, cmap->len); - DPRINTK("switch2a: %p %p %p %p\n", cmap->red, cmap->green, cmap->blue, cmap->transp); - if (dsp->cmap.red) { - DPRINTK("switch2r: %X\n", cmap->red[0]); - } -#endif - - rivafb_set_var(&dsp->var, con, info); - -#ifdef riva_DEBUG - DPRINTK("switch3: con = %d, cmap.len = %d\n", con, cmap->len); - DPRINTK("switch3a: %p %p %p %p\n", cmap->red, cmap->green, cmap->blue, cmap->transp); - if (dsp->cmap.red) { - DPRINTK("switch3r: %X\n", cmap->red[0]); - } -#endif - - DPRINTK("EXIT, returning 0\n"); - - return 0; -} - - - -void rivafb_blank (int blank, struct fb_info *info) -{ - unsigned char tmp; - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - - DPRINTK ("ENTER\n"); - - assert (rivainfo != NULL); - - tmp = vga_io_rseq (VGA_SEQ_CLOCK_MODE) & ~VGA_SR01_SCREEN_OFF; - - if (blank) - tmp |= VGA_SR01_SCREEN_OFF; - - vga_io_wseq (VGA_SEQ_CLOCK_MODE, tmp); - - DPRINTK("EXIT\n"); -} - - -/* ------------------------------------------------------------------------- - * - * internal fb_ops helper functions - * - * ------------------------------------------------------------------------- - */ - - -/** - * riva_get_cmap_len - * @var: - * - * DESCRIPTION: - */ - -static int riva_get_cmap_len(const struct fb_var_screeninfo *var) -{ - int rc = 16; /* reasonable default */ - - assert (var != NULL); - - switch (var->bits_per_pixel) { -#ifdef FBCON_HAS_CFB4 - case 4: - rc = 16; /* pseudocolor... 16 entries HW palette */ - break; -#endif -#ifdef FBCON_HAS_CFB8 - case 8: - rc = 256; /* pseudocolor... 256 entries HW palette */ - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - rc = 16; /* directcolor... 16 entries SW palette */ - break; /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ -#endif -#ifdef FBCON_HAS_CFB32 - case 32: - rc = 16; /* directcolor... 16 entries SW palette */ - break; /* Mystique: truecolor, 16 entries SW palette, HW palette hardwired into 1:1 mapping */ -#endif - default: - assert (0); - /* should not occur */ - break; - } - - return rc; -} - - -/** - * riva_getcolreg - * @regno: - * @red: - * @green: - * @blue: - * @transp: - * @info: pointer to rivafb_info object containing info for current riva board - * - * DESCRIPTION: - * Read a single color register and split it into colors/transparent. - * The return values must have a 16 bit magnitude. - * Return != 0 for invalid regno. - * - * CALLED FROM: - * fbcmap.c:fb_get_cmap() - * fbgen.c:fbgen_get_cmap() - * fbgen.c:fbgen_switch() - */ - -static int riva_getcolreg (unsigned regno, unsigned *red, unsigned *green, - unsigned *blue, unsigned *transp, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - - if (regno > 255) - return 1; - *red = rivainfo->palette[regno].red; - *green = rivainfo->palette[regno].green; - *blue = rivainfo->palette[regno].blue; - *transp = 0; - return 0; -} - - -/** - * riva_setcolreg - * @regno: - * @red: - * @green: - * @blue: - * @transp: - * @info: pointer to rivafb_info object containing info for current riva board - * - * DESCRIPTION: - * Set a single color register. The values supplied have a 16 bit - * magnitude. - * Return != 0 for invalid regno. - * - * CALLED FROM: - * fbcmap.c:fb_set_cmap() - * fbgen.c:fbgen_get_cmap() - * fbgen.c:fbgen_install_cmap() - * fbgen.c:fbgen_set_var() - * fbgen.c:fbgen_switch() - * fbgen.c:fbgen_blank() - * fbgen.c:fbgen_blank() - */ - -static int riva_setcolreg (unsigned regno, unsigned red, unsigned green, - unsigned blue, unsigned transp, - struct fb_info *info) -{ - struct rivafb_info *rivainfo = (struct rivafb_info *) info; - struct display *p; - - DPRINTK("ENTER\n"); - - assert (rivainfo != NULL); - assert (rivainfo->currcon_display != NULL); - - if (regno > 255) - return -EINVAL; - - p = rivainfo->currcon_display; - if (p->var.grayscale) { - /* gray = 0.30*R + 0.59*G + 0.11*B */ - red = green = blue = (red * 77 + green * 151 + blue * 28) >> 8; - } - -#ifdef FBCON_HAS_CFB8 - switch (p->var.bits_per_pixel) { - case 8: - /* "transparent" stuff is completely ignored. */ - riva_wclut (regno, red >> 10, green >> 10, blue >> 10); - break; - default: - /* do nothing */ - break; - } -#endif /* FBCON_HAS_CFB8 */ - - rivainfo->palette[regno].red = red; - rivainfo->palette[regno].green = green; - rivainfo->palette[regno].blue = blue; - - if (regno >= 16) - return 0; - - switch (p->var.bits_per_pixel) { - -#ifdef FBCON_HAS_CFB16 - case 16: - assert (regno < 16); -#ifdef CONFIG_PREP - rivainfo->con_cmap.cfb16[regno] = - ((red & 0xf800) >> 9) | - ((green & 0xf800) >> 14) | - ((green & 0xf800) << 2) | - ((blue & 0xf800) >> 3); -#else - rivainfo->con_cmap.cfb16[regno] = - ((red & 0xf800) >> 1) | - ((green & 0xf800) >> 6) | - ((blue & 0xf800) >> 11); -#endif - break; -#endif /* FBCON_HAS_CFB16 */ - -#ifdef FBCON_HAS_CFB32 - case 32: - assert (regno < 16); -#ifdef CONFIG_PREP - rivainfo->con_cmap.cfb32[regno] = - ((red & 0xff00)) | - ((green & 0xff00) << 8) | - ((blue & 0xff00) << 16); -#else - rivainfo->con_cmap.cfb32[regno] = - ((red & 0xff00) << 8) | - ((green & 0xff00)) | - ((blue & 0xff00) >> 8); -#endif - break; -#endif /* FBCON_HAS_CFB32 */ - - default: - /* do nothing */ - break; - } - - return 0; -} - - - -/* - * riva_load_video_mode() - * - * calculate some timings and then send em off to riva_load_state() - */ - -static void riva_load_video_mode (struct rivafb_info *rinfo, - struct fb_var_screeninfo *video_mode) -{ - struct riva_regs newmode; - int bpp, width, hDisplaySize, hDisplay, hStart, - hEnd, hTotal, height, vDisplay, vStart, - vEnd, vTotal, dotClock; - - /* time to calculate */ - - bpp = video_mode->bits_per_pixel; - width = hDisplaySize = video_mode->xres; - hDisplay = (hDisplaySize/8) - 1; - hStart = (hDisplaySize + video_mode->right_margin)/8 + 2; - hEnd = (hDisplaySize + video_mode->right_margin + - video_mode->hsync_len)/8 - 1; - hTotal = (hDisplaySize + video_mode->right_margin + - video_mode->hsync_len + video_mode->left_margin)/8 - 1; - height = video_mode->yres; - vDisplay = video_mode->yres - 1; - vStart = video_mode->yres + video_mode->lower_margin - 1; - vEnd = video_mode->yres + video_mode->lower_margin + - video_mode->vsync_len - 1; - vTotal = video_mode->yres + video_mode->lower_margin + - video_mode->vsync_len + video_mode->upper_margin + 2; - dotClock = 1000000000 / video_mode->pixclock; - - memcpy(&newmode, ®_template, sizeof(struct riva_regs)); - - newmode.crtc[0x0] = Set8Bits(hTotal - 4); - newmode.crtc[0x1] = Set8Bits(hDisplay); - newmode.crtc[0x2] = Set8Bits(hDisplay); - newmode.crtc[0x3] = SetBitField(hTotal,4:0,4:0) | SetBit(7); - newmode.crtc[0x4] = Set8Bits(hStart); - newmode.crtc[0x5] = SetBitField(hTotal,5:5,7:7) - | SetBitField(hEnd,4:0,4:0); - newmode.crtc[0x6] = SetBitField(vTotal,7:0,7:0); - newmode.crtc[0x7] = SetBitField(vTotal,8:8,0:0) - | SetBitField(vDisplay,8:8,1:1) - | SetBitField(vStart,8:8,2:2) - | SetBitField(vDisplay,8:8,3:3) - | SetBit(4) - | SetBitField(vTotal,9:9,5:5) - | SetBitField(vDisplay,9:9,6:6) - | SetBitField(vStart,9:9,7:7); - newmode.crtc[0x9] = SetBitField(vDisplay,9:9,5:5) - | SetBit(6); - newmode.crtc[0x10] = Set8Bits(vStart); - newmode.crtc[0x11] = SetBitField(vEnd,3:0,3:0) - | SetBit(5); - newmode.crtc[0x12] = Set8Bits(vDisplay); - newmode.crtc[0x13] = ((width/8)*(bpp/8)) & 0xFF; - newmode.crtc[0x15] = Set8Bits(vDisplay); - newmode.crtc[0x16] = Set8Bits(vTotal + 1); - - newmode.ext.bpp = bpp; - newmode.ext.width = width; - newmode.ext.height = height; - - rinfo->riva.CalcStateExt(&rinfo->riva,&newmode.ext,bpp,width, - hDisplaySize,hDisplay,hStart,hEnd,hTotal, - height,vDisplay,vStart,vEnd,vTotal,dotClock); - - rinfo->initial_state = newmode; - riva_load_state(rinfo,&newmode); -} - - - - - -/* ------------------------------------------------------------------------- */ - - - /* - * Modularization - */ - -#ifdef MODULE -int __init init_module(void) -{ - return rivafb_init(); -} - -void __exit cleanup_module(void) -{ - struct rivafb_info *tmp, *board = riva_boards; - - while (board != NULL) { - riva_load_state (board, &board->initial_state); - - unregister_framebuffer ((struct fb_info *) board); - - tmp = board; - iounmap (tmp->ctrl_base); - iounmap (tmp->fb_base); - board = board->next; - - kfree (tmp); - } -} -#endif /* MODULE */ - - - - - -/* from GGI */ -static -void riva_save_state(struct rivafb_info *rinfo, struct riva_regs *regs) -{ - int i; - - io_out8(NV_CIO_SR_LOCK_INDEX, 0x3D4); - io_out8(NV_CIO_SR_UNLOCK_RW_VALUE, 0x3D5); - - rinfo->riva.UnloadStateExt(&rinfo->riva, ®s->ext); - - regs->misc_output = io_in8(0x3CC); - - for (i = 0; i < NUM_CRT_REGS; i++) - { - io_out8(i, 0x3D4); - regs->crtc[i] = io_in8(0x3D5); - } - - for (i = 0; i < NUM_ATC_REGS; i++) - { - io_out8(i, 0x3C0); - regs->attr[i] = io_in8(0x3C1); - } - - for (i = 0; i < NUM_GRC_REGS; i++) - { - io_out8(i, 0x3CE); - regs->gra[i] = io_in8(0x3CF); - } - - - for (i = 0; i < NUM_SEQ_REGS; i++) - { - io_out8(i, 0x3C4); - regs->seq[i] = io_in8(0x3C5); - } -} - - -/* from GGI */ -static -void riva_load_state(struct rivafb_info *rinfo, struct riva_regs *regs) -{ - int i; - RIVA_HW_STATE *state = ®s->ext; - - io_out8(0x11, 0x3D4); - io_out8(0x00, 0x3D5); - - io_out8(NV_CIO_SR_LOCK_INDEX, 0x3D4); - io_out8(NV_CIO_SR_UNLOCK_RW_VALUE, 0x3D5); - - rinfo->riva.LoadStateExt(&rinfo->riva,state); - - io_out8(regs->misc_output, 0x3C2); - - for (i = 0; i < NUM_CRT_REGS; i++) - { - if (i < 0x19) - { - io_out8(i, 0x3D4); - io_out8(regs->crtc[i], 0x3D5); - } - else - { - switch (i) - { - case 0x19: - case 0x20: - case 0x21: - case 0x22: - case 0x23: - case 0x24: - case 0x25: - case 0x26: - case 0x27: -#if 0 - case 0x28: -#endif - case 0x29: - case 0x2a: - case 0x2b: - case 0x2c: - case 0x2d: - case 0x2e: - case 0x2f: - case 0x30: - case 0x31: - case 0x32: - case 0x33: - case 0x34: - case 0x35: - case 0x36: - case 0x37: - case 0x38: - case 0x39: - case 0x3a: - case 0x3b: - case 0x3c: - case 0x3d: - case 0x3e: - case 0x3f: -#if 0 - case 0x40: -#endif - break; - default: - io_out8(i, 0x3D4); - io_out8(regs->crtc[i], 0x3D5); - } - } - } - - for (i = 0; i < NUM_ATC_REGS; i++) - { - io_out8(i, 0x3C0); - io_out8(regs->attr[i], 0x3C1); - } - - for (i = 0; i < NUM_GRC_REGS; i++) - { - io_out8(i, 0x3CE); - io_out8(regs->gra[i], 0x3CF); - } - - for (i = 0; i < NUM_SEQ_REGS; i++) - { - io_out8(i, 0x3C4); - io_out8(regs->seq[i], 0x3C5); - } -} - - - - -/** - * riva_board_list_add - * @board_list: Root node of list of boards - * @new_node: New node to be added - * - * DESCRIPTION: - * Adds @new_node to the list referenced by @board_list - * - * RETURNS: - * New root node - */ -static -struct rivafb_info *riva_board_list_add(struct rivafb_info *board_list, - struct rivafb_info *new_node) -{ - struct rivafb_info *i_p = board_list; - - new_node->next = NULL; - - if (board_list == NULL) - return new_node; - - while (i_p->next != NULL) - i_p = i_p->next; - i_p->next = new_node; - - return board_list; -} - |