patch-2.3.49 linux/drivers/video/rivafb.c
Next file: linux/drivers/video/vesafb.c
Previous file: linux/drivers/video/riva_tbl.h
Back to the patch index
Back to the overall index
- Lines: 1892
- Date:
Wed Dec 31 16:00:00 1969
- Orig file:
v2.3.48/linux/drivers/video/rivafb.c
- Orig date:
Fri Jan 28 15:09:08 2000
diff -u --recursive --new-file v2.3.48/linux/drivers/video/rivafb.c linux/drivers/video/rivafb.c
@@ -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;
-}
-
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen (who was at: slshen@lbl.gov)