Viewing file:  fbdev.c (53.17 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* linux/drivers/video/riva/fbdev.c - nVidia RIVA 128/TNT/TNT2 fb driver
*
* Maintained by Ani Joshi <ajoshi@shell.unixbox.com>
*
* Copyright 1999-2000 Jeff Garzik
*
* Contributors:
*
* Ani Joshi: Lots of debugging and cleanup work, really helped
* get the driver going
*
* Ferenc Bakonyi: Bug fixes, cleanup, modularization
*
* Jindrich Makovicka: Accel code help, hw cursor, mtrr
*
* 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.
*
* Known bugs and issues:
* restoring text mode fails
* doublescan modes are broken
* option 'noaccel' has no effect
*/
#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/slab.h>
#include <linux/delay.h>
#include <linux/fb.h>
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/console.h>
#ifdef CONFIG_MTRR
#include <asm/mtrr.h>
#endif
#include "rivafb.h"
#include "nvreg.h"
#ifndef CONFIG_PCI /* sanity check */
#error This driver requires PCI support.
#endif
/* version number of this driver */
#define RIVAFB_VERSION "0.9.2a"
/* ------------------------------------------------------------------------- *
*
* various helpful macros and constants
*
* ------------------------------------------------------------------------- */
#undef 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__); \
BUG(); \
}
#else
#define assert(expr)
#endif
#define PFX "rivafb: "
/* 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)
/* HW cursor parameters */
#define DEFAULT_CURSOR_BLINK_RATE (40)
#define CURSOR_HIDE_DELAY (20)
#define CURSOR_SHOW_DELAY (3)
#define CURSOR_COLOR 0x7fff
#define TRANSPARENT_COLOR 0x0000
#define MAX_CURS 32
/* ------------------------------------------------------------------------- *
*
* prototypes
*
* ------------------------------------------------------------------------- */
static void rivafb_blank(int blank, struct fb_info *info);
extern void riva_setup_accel(struct rivafb_info *rinfo);
extern inline void wait_for_idle(struct rivafb_info *rinfo);
/* ------------------------------------------------------------------------- *
*
* card identification
*
* ------------------------------------------------------------------------- */
enum riva_chips {
CH_RIVA_128 = 0,
CH_RIVA_TNT,
CH_RIVA_TNT2,
CH_RIVA_UTNT2, /* UTNT2 */
CH_RIVA_VTNT2, /* VTNT2 */
CH_RIVA_UVTNT2, /* VTNT2 */
CH_RIVA_ITNT2, /* ITNT2 */
CH_GEFORCE_SDR,
CH_GEFORCE_DDR,
CH_QUADRO,
CH_GEFORCE2_MX,
CH_QUADRO2_MXR,
CH_GEFORCE2_GTS,
CH_GEFORCE2_ULTRA,
CH_QUADRO2_PRO,
CH_GEFORCE2_GO,
CH_GEFORCE3,
CH_GEFORCE3_1,
CH_GEFORCE3_2,
CH_QUADRO_DDC
};
/* directly indexed by riva_chips enum, above */
static struct riva_chip_info {
const char *name;
unsigned arch_rev;
} riva_chip_info[] __devinitdata = {
{ "RIVA-128", NV_ARCH_03 },
{ "RIVA-TNT", NV_ARCH_04 },
{ "RIVA-TNT2", NV_ARCH_04 },
{ "RIVA-UTNT2", NV_ARCH_04 },
{ "RIVA-VTNT2", NV_ARCH_04 },
{ "RIVA-UVTNT2", NV_ARCH_04 },
{ "RIVA-ITNT2", NV_ARCH_04 },
{ "GeForce-SDR", NV_ARCH_10},
{ "GeForce-DDR", NV_ARCH_10},
{ "Quadro", NV_ARCH_10},
{ "GeForce2-MX", NV_ARCH_10},
{ "Quadro2-MXR", NV_ARCH_10},
{ "GeForce2-GTS", NV_ARCH_10},
{ "GeForce2-ULTRA", NV_ARCH_10},
{ "Quadro2-PRO", NV_ARCH_10},
{ "GeForce2-Go", NV_ARCH_10},
{ "GeForce3", NV_ARCH_20},
{ "GeForce3 Ti 200", NV_ARCH_20},
{ "GeForce3 Ti 500", NV_ARCH_20},
{ "Quadro DDC", NV_ARCH_20}
};
static struct pci_device_id rivafb_pci_tbl[] __devinitdata = {
{ PCI_VENDOR_ID_NVIDIA_SGS, PCI_DEVICE_ID_NVIDIA_SGS_RIVA128,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_128 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_TNT },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_TNT2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_TNT2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_UTNT2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_UTNT2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_VTNT2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_VTNT2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_UVTNT2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_VTNT2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_ITNT2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_RIVA_ITNT2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE_SDR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE_SDR },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE_DDR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE_DDR },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_QUADRO },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_MX,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_MX },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_MX2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_MX },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO2_MXR,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_QUADRO2_MXR },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GTS,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_GTS },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GTS2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_GTS },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_ULTRA,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_ULTRA },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO2_PRO,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_QUADRO2_PRO },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE2_GO,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE2_GO },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE3 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3_1,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE3_1 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_GEFORCE3_2,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_GEFORCE3_2 },
{ PCI_VENDOR_ID_NVIDIA, PCI_DEVICE_ID_NVIDIA_QUADRO_DDC,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, CH_QUADRO_DDC },
{ 0, } /* terminate list */
};
MODULE_DEVICE_TABLE(pci, rivafb_pci_tbl);
/* ------------------------------------------------------------------------- *
*
* framebuffer related structures
*
* ------------------------------------------------------------------------- */
#ifdef FBCON_HAS_CFB8
extern struct display_switch fbcon_riva8;
#endif
#ifdef FBCON_HAS_CFB16
extern struct display_switch fbcon_riva16;
#endif
#ifdef FBCON_HAS_CFB32
extern struct display_switch fbcon_riva32;
#endif
#if 0
/* 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 */
};
#endif
struct riva_cursor {
int enable;
int on;
int vbl_cnt;
int last_move_delay;
int blink_rate;
struct {
u16 x, y;
} pos, size;
unsigned short image[MAX_CURS*MAX_CURS];
struct timer_list *timer;
};
/* ------------------------------------------------------------------------- *
*
* global variables
*
* ------------------------------------------------------------------------- */
struct rivafb_info *riva_boards = NULL;
/* command line data, set in rivafb_setup() */
static char fontname[40] __initdata = { 0 };
static char noaccel __initdata = 0;
static char nomove = 0;
static char nohwcursor __initdata = 0;
static char noblink = 0;
#ifdef CONFIG_MTRR
static char nomtrr __initdata = 0;
#endif
#ifndef MODULE
static char *mode_option __initdata = NULL;
#else
static char *font = NULL;
#endif
static struct fb_var_screeninfo rivafb_default_var = {
xres: 640,
yres: 480,
xres_virtual: 640,
yres_virtual: 480,
xoffset: 0,
yoffset: 0,
bits_per_pixel: 8,
grayscale: 0,
red: {0, 6, 0},
green: {0, 6, 0},
blue: {0, 6, 0},
transp: {0, 0, 0},
nonstd: 0,
activate: 0,
height: -1,
width: -1,
accel_flags: 0,
pixclock: 39721,
left_margin: 40,
right_margin: 24,
upper_margin: 32,
lower_margin: 11,
hsync_len: 96,
vsync_len: 2,
sync: 0,
vmode: FB_VMODE_NONINTERLACED
};
/* 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, 0x00, 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 */
};
/* ------------------------------------------------------------------------- *
*
* MMIO access macros
*
* ------------------------------------------------------------------------- */
static inline void CRTCout(struct rivafb_info *rinfo, unsigned char index,
unsigned char val)
{
VGA_WR08(rinfo->riva.PCIO, 0x3d4, index);
VGA_WR08(rinfo->riva.PCIO, 0x3d5, val);
}
static inline unsigned char CRTCin(struct rivafb_info *rinfo,
unsigned char index)
{
VGA_WR08(rinfo->riva.PCIO, 0x3d4, index);
return (VGA_RD08(rinfo->riva.PCIO, 0x3d5));
}
static inline void GRAout(struct rivafb_info *rinfo, unsigned char index,
unsigned char val)
{
VGA_WR08(rinfo->riva.PVIO, 0x3ce, index);
VGA_WR08(rinfo->riva.PVIO, 0x3cf, val);
}
static inline unsigned char GRAin(struct rivafb_info *rinfo,
unsigned char index)
{
VGA_WR08(rinfo->riva.PVIO, 0x3ce, index);
return (VGA_RD08(rinfo->riva.PVIO, 0x3cf));
}
static inline void SEQout(struct rivafb_info *rinfo, unsigned char index,
unsigned char val)
{
VGA_WR08(rinfo->riva.PVIO, 0x3c4, index);
VGA_WR08(rinfo->riva.PVIO, 0x3c5, val);
}
static inline unsigned char SEQin(struct rivafb_info *rinfo,
unsigned char index)
{
VGA_WR08(rinfo->riva.PVIO, 0x3c4, index);
return (VGA_RD08(rinfo->riva.PVIO, 0x3c5));
}
static inline void ATTRout(struct rivafb_info *rinfo, unsigned char index,
unsigned char val)
{
VGA_WR08(rinfo->riva.PCIO, 0x3c0, index);
VGA_WR08(rinfo->riva.PCIO, 0x3c0, val);
}
static inline unsigned char ATTRin(struct rivafb_info *rinfo,
unsigned char index)
{
VGA_WR08(rinfo->riva.PCIO, 0x3c0, index);
return (VGA_RD08(rinfo->riva.PCIO, 0x3c1));
}
static inline void MISCout(struct rivafb_info *rinfo, unsigned char val)
{
VGA_WR08(rinfo->riva.PVIO, 0x3c2, val);
}
static inline unsigned char MISCin(struct rivafb_info *rinfo)
{
return (VGA_RD08(rinfo->riva.PVIO, 0x3cc));
}
/* ------------------------------------------------------------------------- *
*
* cursor stuff
*
* ------------------------------------------------------------------------- */
/**
* riva_cursor_timer_handler - blink timer
* @dev_addr: pointer to rivafb_info object containing info for current riva board
*
* DESCRIPTION:
* Cursor blink timer.
*/
static void riva_cursor_timer_handler(unsigned long dev_addr)
{
struct rivafb_info *rinfo = (struct rivafb_info *)dev_addr;
if (!rinfo->cursor) return;
if (!rinfo->cursor->enable) goto out;
if (rinfo->cursor->last_move_delay < 1000)
rinfo->cursor->last_move_delay++;
if (rinfo->cursor->vbl_cnt && --rinfo->cursor->vbl_cnt == 0) {
rinfo->cursor->on ^= 1;
if (rinfo->cursor->on)
*(rinfo->riva.CURSORPOS) = (rinfo->cursor->pos.x & 0xFFFF)
| (rinfo->cursor->pos.y << 16);
rinfo->riva.ShowHideCursor(&rinfo->riva, rinfo->cursor->on);
if (!noblink)
rinfo->cursor->vbl_cnt = rinfo->cursor->blink_rate;
}
out:
rinfo->cursor->timer->expires = jiffies + (HZ / 100);
add_timer(rinfo->cursor->timer);
}
/**
* rivafb_init_cursor - allocates cursor structure and starts blink timer
* @rinfo: pointer to rivafb_info object containing info for current riva board
*
* DESCRIPTION:
* Allocates cursor structure and starts blink timer.
*
* RETURNS:
* Pointer to allocated cursor structure.
*
* CALLED FROM:
* rivafb_init_one()
*/
static struct riva_cursor * __init rivafb_init_cursor(struct rivafb_info *rinfo)
{
struct riva_cursor *cursor;
cursor = kmalloc(sizeof(struct riva_cursor), GFP_KERNEL);
if (!cursor) return 0;
memset(cursor, 0, sizeof(*cursor));
cursor->timer = kmalloc(sizeof(*cursor->timer), GFP_KERNEL);
if (!cursor->timer) {
kfree(cursor);
return 0;
}
memset(cursor->timer, 0, sizeof(*cursor->timer));
cursor->blink_rate = DEFAULT_CURSOR_BLINK_RATE;
init_timer(cursor->timer);
cursor->timer->expires = jiffies + (HZ / 100);
cursor->timer->data = (unsigned long)rinfo;
cursor->timer->function = riva_cursor_timer_handler;
add_timer(cursor->timer);
return cursor;
}
/**
* rivafb_exit_cursor - stops blink timer and releases cursor structure
* @rinfo: pointer to rivafb_info object containing info for current riva board
*
* DESCRIPTION:
* Stops blink timer and releases cursor structure.
*
* CALLED FROM:
* rivafb_init_one()
* rivafb_remove_one()
*/
static void rivafb_exit_cursor(struct rivafb_info *rinfo)
{
struct riva_cursor *cursor = rinfo->cursor;
if (cursor) {
if (cursor->timer) {
del_timer_sync(cursor->timer);
kfree(cursor->timer);
}
kfree(cursor);
rinfo->cursor = 0;
}
}
/**
* rivafb_download_cursor - writes cursor shape into card registers
* @rinfo: pointer to rivafb_info object containing info for current riva board
*
* DESCRIPTION:
* Writes cursor shape into card registers.
*
* CALLED FROM:
* riva_load_video_mode()
*/
static void rivafb_download_cursor(struct rivafb_info *rinfo)
{
int i, save;
int *image;
if (!rinfo->cursor) return;
image = (int *)rinfo->cursor->image;
save = rinfo->riva.ShowHideCursor(&rinfo->riva, 0);
for (i = 0; i < (MAX_CURS*MAX_CURS*2)/sizeof(int); i++)
writel(image[i], rinfo->riva.CURSOR + i);
rinfo->riva.ShowHideCursor(&rinfo->riva, save);
}
/**
* rivafb_create_cursor - sets rectangular cursor
* @rinfo: pointer to rivafb_info object containing info for current riva board
* @width: cursor width in pixels
* @height: cursor height in pixels
*
* DESCRIPTION:
* Sets rectangular cursor.
*
* CALLED FROM:
* rivafb_set_font()
* rivafb_set_var()
*/
static void rivafb_create_cursor(struct rivafb_info *rinfo, int width, int height)
{
struct riva_cursor *c = rinfo->cursor;
int i, j, idx;
if (c) {
if (width <= 0 || height <= 0) {
width = 8;
height = 16;
}
if (width > MAX_CURS) width = MAX_CURS;
if (height > MAX_CURS) height = MAX_CURS;
c->size.x = width;
c->size.y = height;
idx = 0;
for (i = 0; i < height; i++) {
for (j = 0; j < width; j++,idx++)
c->image[idx] = CURSOR_COLOR;
for (j = width; j < MAX_CURS; j++,idx++)
c->image[idx] = TRANSPARENT_COLOR;
}
for (i = height; i < MAX_CURS; i++)
for (j = 0; j < MAX_CURS; j++,idx++)
c->image[idx] = TRANSPARENT_COLOR;
}
}
/**
* rivafb_set_font - change font size
* @p: pointer to display object
* @width: font width in pixels
* @height: font height in pixels
*
* DESCRIPTION:
* Callback function called if font settings changed.
*
* RETURNS:
* 1 (Always succeeds.)
*/
static int rivafb_set_font(struct display *p, int width, int height)
{
struct rivafb_info *fb = (struct rivafb_info *)(p->fb_info);
rivafb_create_cursor(fb, width, height);
return 1;
}
/**
* rivafb_cursor - cursor handler
* @p: pointer to display object
* @mode: cursor mode (see CM_*)
* @x: cursor x coordinate in characters
* @y: cursor y coordinate in characters
*
* DESCRIPTION:
* Cursor handler.
*/
static void rivafb_cursor(struct display *p, int mode, int x, int y)
{
struct rivafb_info *rinfo = (struct rivafb_info *)(p->fb_info);
struct riva_cursor *c = rinfo->cursor;
if (!c) return;
x = x * fontwidth(p) - p->var.xoffset;
y = y * fontheight(p) - p->var.yoffset;
if (c->pos.x == x && c->pos.y == y && (mode == CM_ERASE) == !c->enable)
return;
c->enable = 0;
if (c->on) rinfo->riva.ShowHideCursor(&rinfo->riva, 0);
c->pos.x = x;
c->pos.y = y;
switch (mode) {
case CM_ERASE:
c->on = 0;
break;
case CM_DRAW:
case CM_MOVE:
if (c->last_move_delay <= 1) { /* rapid cursor movement */
c->vbl_cnt = CURSOR_SHOW_DELAY;
} else {
*(rinfo->riva.CURSORPOS) = (x & 0xFFFF) | (y << 16);
rinfo->riva.ShowHideCursor(&rinfo->riva, 1);
if (!noblink) c->vbl_cnt = CURSOR_HIDE_DELAY;
c->on = 1;
}
c->last_move_delay = 0;
c->enable = 1;
break;
}
}
/* ------------------------------------------------------------------------- *
*
* general utility functions
*
* ------------------------------------------------------------------------- */
/**
* riva_set_dispsw - sets dispsw
* @rinfo: pointer to internal driver struct for a given Riva card
* @disp: pointer to display object
*
* DESCRIPTION:
* Sets up console low level operations depending on the current? color depth
* of the display.
*
* CALLED FROM:
* rivafb_set_var()
* rivafb_switch()
* riva_init_disp()
*/
static void riva_set_dispsw(struct rivafb_info *rinfo, struct display *disp)
{
int accel = disp->var.accel_flags & FB_ACCELF_TEXT;
DPRINTK("ENTER\n");
assert(rinfo != NULL);
disp->dispsw_data = NULL;
disp->screen_base = rinfo->fb_base;
disp->type = FB_TYPE_PACKED_PIXELS;
disp->type_aux = 0;
disp->ypanstep = 1;
disp->ywrapstep = 0;
disp->can_soft_blank = 1;
disp->inverse = 0;
switch (disp->var.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
case 8:
rinfo->dispsw = accel ? fbcon_riva8 : fbcon_cfb8;
disp->dispsw = &rinfo->dispsw;
disp->line_length = disp->var.xres_virtual;
disp->visual = FB_VISUAL_PSEUDOCOLOR;
break;
#endif
#ifdef FBCON_HAS_CFB16
case 16:
rinfo->dispsw = accel ? fbcon_riva16 : fbcon_cfb16;
disp->dispsw_data = &rinfo->con_cmap.cfb16;
disp->dispsw = &rinfo->dispsw;
disp->line_length = disp->var.xres_virtual * 2;
disp->visual = FB_VISUAL_DIRECTCOLOR;
break;
#endif
#ifdef FBCON_HAS_CFB32
case 32:
rinfo->dispsw = accel ? fbcon_riva32 : fbcon_cfb32;
disp->dispsw_data = rinfo->con_cmap.cfb32;
disp->dispsw = &rinfo->dispsw;
disp->line_length = disp->var.xres_virtual * 4;
disp->visual = FB_VISUAL_DIRECTCOLOR;
break;
#endif
default:
DPRINTK("Setting fbcon_dummy renderer\n");
rinfo->dispsw = fbcon_dummy;
disp->dispsw = &rinfo->dispsw;
}
/* FIXME: verify that the above code sets dsp->* fields correctly */
if (rinfo->cursor) {
rinfo->dispsw.cursor = rivafb_cursor;
rinfo->dispsw.set_font = rivafb_set_font;
}
DPRINTK("EXIT\n");
}
/**
* riva_wclut - set CLUT entry
* @chip: pointer to RIVA_HW_INST object
* @regnum: register number
* @red: red component
* @green: green component
* @blue: blue component
*
* DESCRIPTION:
* Sets color register @regnum.
*
* CALLED FROM:
* riva_setcolreg()
*/
static void riva_wclut(RIVA_HW_INST *chip,
unsigned char regnum, unsigned char red,
unsigned char green, unsigned char blue)
{
VGA_WR08(chip->PDIO, 0x3c8, regnum);
VGA_WR08(chip->PDIO, 0x3c9, red);
VGA_WR08(chip->PDIO, 0x3c9, green);
VGA_WR08(chip->PDIO, 0x3c9, blue);
}
/**
* riva_save_state - saves current chip state
* @rinfo: pointer to rivafb_info object containing info for current riva board
* @regs: pointer to riva_regs object
*
* DESCRIPTION:
* Saves current chip state to @regs.
*
* CALLED FROM:
* rivafb_init_one()
*/
/* from GGI */
static void riva_save_state(struct rivafb_info *rinfo, struct riva_regs *regs)
{
int i;
rinfo->riva.LockUnlock(&rinfo->riva, 0);
rinfo->riva.UnloadStateExt(&rinfo->riva, ®s->ext);
regs->misc_output = MISCin(rinfo);
for (i = 0; i < NUM_CRT_REGS; i++) {
regs->crtc[i] = CRTCin(rinfo, i);
}
for (i = 0; i < NUM_ATC_REGS; i++) {
regs->attr[i] = ATTRin(rinfo, i);
}
for (i = 0; i < NUM_GRC_REGS; i++) {
regs->gra[i] = GRAin(rinfo, i);
}
for (i = 0; i < NUM_SEQ_REGS; i++) {
regs->seq[i] = SEQin(rinfo, i);
}
}
/**
* riva_load_state - loads current chip state
* @rinfo: pointer to rivafb_info object containing info for current riva board
* @regs: pointer to riva_regs object
*
* DESCRIPTION:
* Loads chip state from @regs.
*
* CALLED FROM:
* riva_load_video_mode()
* rivafb_init_one()
* rivafb_remove_one()
*/
/* from GGI */
static void riva_load_state(struct rivafb_info *rinfo, struct riva_regs *regs)
{
int i;
RIVA_HW_STATE *state = ®s->ext;
CRTCout(rinfo, 0x11, 0x00);
rinfo->riva.LockUnlock(&rinfo->riva, 0);
rinfo->riva.LoadStateExt(&rinfo->riva, state);
MISCout(rinfo, regs->misc_output);
for (i = 0; i < NUM_CRT_REGS; i++) {
switch (i) {
case 0x19:
case 0x20 ... 0x40:
break;
default:
CRTCout(rinfo, i, regs->crtc[i]);
}
}
for (i = 0; i < NUM_ATC_REGS; i++) {
ATTRout(rinfo, i, regs->attr[i]);
}
for (i = 0; i < NUM_GRC_REGS; i++) {
GRAout(rinfo, i, regs->gra[i]);
}
for (i = 0; i < NUM_SEQ_REGS; i++) {
SEQout(rinfo, i, regs->seq[i]);
}
}
/**
* riva_load_video_mode - calculate timings
* @rinfo: pointer to rivafb_info object containing info for current riva board
* @video_mode: video mode to set
*
* DESCRIPTION:
* Calculate some timings and then send em off to riva_load_state().
*
* CALLED FROM:
* rivafb_set_var()
*/
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 */
rivafb_blank(1, (struct fb_info *)rinfo);
bpp = video_mode->bits_per_pixel;
if (bpp == 16 && video_mode->green.length == 5)
bpp = 15;
width = video_mode->xres_virtual;
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_virtual;
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 + 1) / 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->current_state = newmode;
riva_load_state(rinfo, &rinfo->current_state);
rinfo->riva.LockUnlock(&rinfo->riva, 0); /* important for HW cursor */
rivafb_download_cursor(rinfo);
}
/**
* riva_board_list_add - maintains board list
* @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
*
* CALLED FROM:
* rivafb_init_one()
*/
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;
}
/**
* riva_board_list_del - maintains board list
* @board_list: root node of list of boards
* @del_node: node to be removed
*
* DESCRIPTION:
* Removes @del_node from the list referenced by @board_list.
*
* RETURNS:
* New root node
*
* CALLED FROM:
* rivafb_remove_one()
*/
static struct rivafb_info *riva_board_list_del(struct rivafb_info *board_list,
struct rivafb_info *del_node)
{
struct rivafb_info *i_p = board_list;
if (board_list == del_node)
return del_node->next;
while (i_p->next != del_node)
i_p = i_p->next;
i_p->next = del_node->next;
return board_list;
}
/**
* rivafb_do_maximize -
* @rinfo: pointer to rivafb_info object containing info for current riva board
* @var:
* @v:
* @nom:
* @den:
*
* DESCRIPTION:
* .
*
* RETURNS:
* -EINVAL on failure, 0 on success
*
*
* CALLED FROM:
* rivafb_set_var()
*/
static int rivafb_do_maximize(struct rivafb_info *rinfo,
struct fb_var_screeninfo *var,
struct fb_var_screeninfo *v,
int nom, int den)
{
static struct {
int xres, yres;
} modes[] = {
{1600, 1280},
{1280, 1024},
{1024, 768},
{800, 600},
{640, 480},
{-1, -1}
};
int i;
/* 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 <
rinfo->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) {
v->xres_virtual = (rinfo->ram_amount * den /
(nom * v->yres_virtual * 2)) & ~15;
printk(KERN_WARNING PFX
"setting virtual X resolution to %d\n", v->xres_virtual);
} else if (v->yres_virtual == -1) {
v->xres_virtual = (v->xres_virtual + 15) & ~15;
v->yres_virtual = rinfo->ram_amount * den /
(nom * v->xres_virtual * 2);
printk(KERN_WARNING PFX
"setting virtual Y resolution to %d\n", v->yres_virtual);
} else {
v->xres_virtual = (v->xres_virtual + 15) & ~15;
if (v->xres_virtual * nom / den * v->yres_virtual > rinfo->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;
}
}
if (v->xres_virtual * nom / den >= 8192) {
printk(KERN_WARNING PFX
"virtual X resolution (%d) is too high, lowering to %d\n",
v->xres_virtual, 8192 * den / nom - 16);
v->xres_virtual = 8192 * den / nom - 16;
}
if (v->xres_virtual < v->xres) {
printk(KERN_ERR PFX
"virtual X resolution (%d) is smaller than real\n", v->xres_virtual);
return -EINVAL;
}
if (v->yres_virtual < v->yres) {
printk(KERN_ERR PFX
"virtual Y resolution (%d) is smaller than real\n", v->yres_virtual);
return -EINVAL;
}
return 0;
}
/* ------------------------------------------------------------------------- *
*
* internal fb_ops helper functions
*
* ------------------------------------------------------------------------- */
/**
* riva_get_cmap_len - query current color map length
* @var: standard kernel fb changeable data
*
* DESCRIPTION:
* Get current color map length.
*
* RETURNS:
* Length of color map
*
* CALLED FROM:
* riva_getcolreg()
* riva_setcolreg()
* rivafb_get_cmap()
* rivafb_set_cmap()
*/
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_CFB8
case 8:
rc = 256; /* pseudocolor... 256 entries HW palette */
break;
#endif
#ifdef FBCON_HAS_CFB16
case 15:
rc = 15; /* fix for 15 bpp depths on Riva 128 based cards */
break;
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:
/* should not occur */
break;
}
return rc;
}
/**
* riva_getcolreg
* @regno: register index
* @red: red component
* @green: green component
* @blue: blue component
* @transp: transparency
* @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.
*
* RETURNS:
* Return != 0 for invalid regno.
*
* CALLED FROM:
* rivafb_get_cmap()
* rivafb_switch()
* 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 >= riva_get_cmap_len(&rivainfo->currcon_display->var))
return 1;
*red = rivainfo->palette[regno].red;
*green = rivainfo->palette[regno].green;
*blue = rivainfo->palette[regno].blue;
*transp = 0;
return 0;
}
/**
* riva_setcolreg
* @regno: register index
* @red: red component
* @green: green component
* @blue: blue component
* @transp: transparency
* @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.
*
* RETURNS:
* Return != 0 for invalid regno.
*
* CALLED FROM:
* rivafb_set_cmap()
* 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;
RIVA_HW_INST *chip = &rivainfo->riva;
struct display *p;
DPRINTK("ENTER\n");
assert(rivainfo != NULL);
assert(rivainfo->currcon_display != NULL);
p = rivainfo->currcon_display;
if (regno >= riva_get_cmap_len(&p->var))
return -EINVAL;
rivainfo->palette[regno].red = red;
rivainfo->palette[regno].green = green;
rivainfo->palette[regno].blue = blue;
if (p->var.grayscale) {
/* gray = 0.30*R + 0.59*G + 0.11*B */
red = green = blue =
(red * 77 + green * 151 + blue * 28) >> 8;
}
switch (p->var.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
case 8:
/* "transparent" stuff is completely ignored. */
riva_wclut(chip, regno, red >> 8, green >> 8, blue >> 8);
break;
#endif /* FBCON_HAS_CFB8 */
#ifdef FBCON_HAS_CFB16
case 16:
assert(regno < 16);
if (p->var.green.length == 5) {
/* 0rrrrrgg gggbbbbb */
rivainfo->con_cmap.cfb16[regno] =
((red & 0xf800) >> 1) |
((green & 0xf800) >> 6) | ((blue & 0xf800) >> 11);
} else {
/* rrrrrggg gggbbbbb */
rivainfo->con_cmap.cfb16[regno] =
((red & 0xf800) >> 0) |
((green & 0xf800) >> 5) | ((blue & 0xf800) >> 11);
}
break;
#endif /* FBCON_HAS_CFB16 */
#ifdef FBCON_HAS_CFB32
case 32:
assert(regno < 16);
rivainfo->con_cmap.cfb32[regno] =
((red & 0xff00) << 8) |
((green & 0xff00)) | ((blue & 0xff00) >> 8);
break;
#endif /* FBCON_HAS_CFB32 */
default:
/* do nothing */
break;
}
return 0;
}
/* ------------------------------------------------------------------------- *
*
* framebuffer operations
*
* ------------------------------------------------------------------------- */
static 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, "nVidia %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;
fix->mmio_start = rivainfo->ctrl_base_phys;
fix->mmio_len = rivainfo->base0_region_size;
fix->smem_start = rivainfo->fb_base_phys;
fix->smem_len = rivainfo->base1_region_size;
switch (rivainfo->riva.Architecture) {
case NV_ARCH_03:
fix->accel = FB_ACCEL_NV3;
break;
case NV_ARCH_04: /* riva_hw.c now doesn't distinguish between TNT & TNT2 */
fix->accel = FB_ACCEL_NV4;
break;
case NV_ARCH_10: /* FIXME: ID for GeForce */
case NV_ARCH_20:
fix->accel = FB_ACCEL_NV4;
break;
}
DPRINTK("EXIT, returning 0\n");
return 0;
}
static 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;
}
static 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 accel;
unsigned chgvar = 0;
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.accel_flags != var->accel_flags) ||
(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));
accel = v.accel_flags & FB_ACCELF_TEXT;
switch (v.bits_per_pixel) {
#ifdef FBCON_HAS_CFB8
case 1 ... 8:
v.bits_per_pixel = 8;
nom = 1;
den = 1;
v.red.offset = 0;
v.red.length = 8;
v.green.offset = 0;
v.green.length = 8;
v.blue.offset = 0;
v.blue.length = 8;
break;
#endif
#ifdef FBCON_HAS_CFB16
case 9 ... 15:
v.green.length = 5;
/* fall through */
case 16:
v.bits_per_pixel = 16;
nom = 2;
den = 1;
if (v.green.length == 5) {
/* 0rrrrrgg gggbbbbb */
v.red.offset = 10;
v.green.offset = 5;
v.blue.offset = 0;
v.red.length = 5;
v.green.length = 5;
v.blue.length = 5;
} else {
/* rrrrrggg gggbbbbb */
v.red.offset = 11;
v.green.offset = 5;
v.blue.offset = 0;
v.red.length = 5;
v.green.length = 6;
v.blue.length = 5;
}
break;
#endif
#ifdef FBCON_HAS_CFB32
case 17 ... 32:
v.bits_per_pixel = 32;
nom = 4;
den = 1;
v.red.offset = 16;
v.green.offset = 8;
v.blue.offset = 0;
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 (rivafb_do_maximize(rivainfo, var, &v, nom, den) < 0)
return -EINVAL;
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 */
}
memcpy(&dsp->var, &v, sizeof(v));
if (chgvar) {
riva_set_dispsw(rivainfo, dsp);
if (accel) {
if (nomove)
dsp->scrollmode = SCROLL_YNOMOVE;
else
dsp->scrollmode = 0;
} else
dsp->scrollmode = SCROLL_YREDRAW;
if (info && info->changevar)
info->changevar(con);
}
rivafb_create_cursor(rivainfo, fontwidth(dsp), fontheight(dsp));
riva_load_video_mode(rivainfo, &v);
if (accel) riva_setup_accel(rivainfo);
DPRINTK("EXIT, returning 0\n");
return 0;
}
static 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;
}
static 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
* @con: TODO
* @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
*/
static 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) {
rivainfo->riva.SetStartAddress(&rivainfo->riva, base);
}
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;
}
static 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;
}
static int rivafb_rasterimg(struct fb_info *info, int start)
{
struct rivafb_info *rinfo = (struct rivafb_info *)info;
wait_for_idle(rinfo);
return 0;
}
static 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);
}
}
rivainfo->currcon = con;
rivainfo->currcon_display = dsp;
rivafb_set_var(&dsp->var, con, info);
riva_set_dispsw(rivainfo, dsp);
DPRINTK("EXIT, returning 0\n");
return 0;
}
static int rivafb_updatevar(int con, struct fb_info *info)
{
int rc;
DPRINTK("ENTER\n");
rc = (con < 0) ? -EINVAL : rivafb_pan_display(&fb_display[con].var,
con, info);
DPRINTK("EXIT, returning %d\n", rc);
return rc;
}
static void rivafb_blank(int blank, struct fb_info *info)
{
unsigned char tmp, vesa;
struct rivafb_info *rinfo = (struct rivafb_info *)info;
DPRINTK("ENTER\n");
assert(rinfo != NULL);
tmp = SEQin(rinfo, 0x01) & ~0x20; /* screen on/off */
vesa = CRTCin(rinfo, 0x1a) & ~0xc0; /* sync on/off */
if (blank) {
tmp |= 0x20;
switch (blank - 1) {
case VESA_NO_BLANKING:
break;
case VESA_VSYNC_SUSPEND:
vesa |= 0x80;
break;
case VESA_HSYNC_SUSPEND:
vesa |= 0x40;
break;
case VESA_POWERDOWN:
vesa |= 0xc0;
break;
}
}
SEQout(rinfo, 0x01, tmp);
CRTCout(rinfo, 0x1a, vesa);
DPRINTK("EXIT\n");
}
/* ------------------------------------------------------------------------- *
*
* initialization helper functions
*
* ------------------------------------------------------------------------- */
/* kernel interface */
static struct fb_ops riva_fb_ops = {
owner: THIS_MODULE,
fb_get_fix: rivafb_get_fix,
fb_get_var: rivafb_get_var,
fb_set_var: rivafb_set_var,
fb_get_cmap: rivafb_get_cmap,
fb_set_cmap: rivafb_set_cmap,
fb_pan_display: rivafb_pan_display,
fb_ioctl: rivafb_ioctl,
fb_rasterimg: rivafb_rasterimg,
};
static int __devinit riva_init_disp_var(struct rivafb_info *rinfo)
{
#ifndef MODULE
if (mode_option)
fb_find_mode(&rinfo->disp.var, &rinfo->info, mode_option,
NULL, 0, NULL, 8);
#endif
return 0;
}
static int __devinit 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;
disp->var = rivafb_default_var;
if (noaccel)
disp->var.accel_flags &= ~FB_ACCELF_TEXT;
else
disp->var.accel_flags |= FB_ACCELF_TEXT;
info->disp = disp;
/* FIXME: assure that disp->cmap is completely filled out */
rinfo->currcon_display = disp;
if ((riva_init_disp_var(rinfo)) < 0) {
DPRINTK("EXIT, returning -1\n");
return -1;
}
riva_set_dispsw(rinfo, disp);
DPRINTK("EXIT, returning 0\n");
return 0;
}
static int __devinit 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;
/* FIXME: set monspecs to what??? */
info->display_fg = NULL;
strncpy(info->fontname, fontname, sizeof(info->fontname));
info->fontname[sizeof(info->fontname) - 1] = 0;
info->changevar = NULL;
info->switch_con = rivafb_switch;
info->updatevar = rivafb_updatevar;
info->blank = rivafb_blank;
if (riva_init_disp(rinfo) < 0) /* must be done last */
return -1;
return 0;
}
/* ------------------------------------------------------------------------- *
*
* PCI bus
*
* ------------------------------------------------------------------------- */
static int __devinit rivafb_init_one(struct pci_dev *pd,
const struct pci_device_id *ent)
{
struct rivafb_info *rinfo;
struct riva_chip_info *rci = &riva_chip_info[ent->driver_data];
assert(pd != NULL);
assert(rci != NULL);
rinfo = kmalloc(sizeof(struct rivafb_info), GFP_KERNEL);
if (!rinfo)
goto err_out;
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 = pci_resource_len(pd, 0);
rinfo->base1_region_size = pci_resource_len(pd, 1);
assert(rinfo->base0_region_size >= 0x00800000); /* from GGI */
assert(rinfo->base1_region_size >= 0x01000000); /* from GGI */
rinfo->ctrl_base_phys = pci_resource_start(rinfo->pd, 0);
rinfo->fb_base_phys = pci_resource_start(rinfo->pd, 1);
if (!request_mem_region(rinfo->ctrl_base_phys,
rinfo->base0_region_size, "rivafb")) {
printk(KERN_ERR PFX "cannot reserve MMIO region\n");
goto err_out_kfree;
}
if (!request_mem_region(rinfo->fb_base_phys,
rinfo->base1_region_size, "rivafb")) {
printk(KERN_ERR PFX "cannot reserve FB region\n");
goto err_out_free_base0;
}
rinfo->ctrl_base = ioremap(rinfo->ctrl_base_phys,
rinfo->base0_region_size);
if (!rinfo->ctrl_base) {
printk(KERN_ERR PFX "cannot ioremap MMIO base\n");
goto err_out_free_base1;
}
rinfo->fb_base = ioremap(rinfo->fb_base_phys,
rinfo->base1_region_size);
if (!rinfo->fb_base) {
printk(KERN_ERR PFX "cannot ioremap FB base\n");
goto err_out_iounmap_ctrl;
}
#ifdef CONFIG_MTRR
if (!nomtrr) {
rinfo->mtrr.vram = mtrr_add(rinfo->fb_base_phys,
rinfo->base1_region_size, MTRR_TYPE_WRCOMB, 1);
if (rinfo->mtrr.vram < 0) {
printk(KERN_ERR PFX "unable to setup MTRR\n");
} else {
rinfo->mtrr.vram_valid = 1;
/* let there be speed */
printk(KERN_INFO PFX "RIVA MTRR set to ON\n");
}
}
#endif /* CONFIG_MTRR */
rinfo->riva.EnableIRQ = 0;
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);
rinfo->riva.PCIO = (U008 *)(rinfo->ctrl_base + 0x00601000);
rinfo->riva.PDIO = (U008 *)(rinfo->ctrl_base + 0x00681000);
rinfo->riva.PVIO = (U008 *)(rinfo->ctrl_base + 0x000C0000);
rinfo->riva.IO = (MISCin(rinfo) & 0x01) ? 0x3D0 : 0x3B0;
switch (rinfo->riva.Architecture) {
case NV_ARCH_03:
rinfo->riva.PRAMIN = (unsigned *)(rinfo->fb_base + 0x00C00000);
break;
case NV_ARCH_04:
case NV_ARCH_10:
case NV_ARCH_20:
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 */
CRTCout(rinfo, 0x11, 0xFF); /* vgaHWunlock() + riva unlock (0x7F) */
rinfo->riva.LockUnlock(&rinfo->riva, 0);
riva_save_state(rinfo, &rinfo->initial_state);
rinfo->ram_amount = rinfo->riva.RamAmountKBytes * 1024;
rinfo->dclk_max = rinfo->riva.MaxVClockFreqKHz * 1000;
if (!nohwcursor) rinfo->cursor = rivafb_init_cursor(rinfo);
if (riva_set_fbinfo(rinfo) < 0) {
printk(KERN_ERR PFX "error setting initial video mode\n");
goto err_out_cursor;
}
if (register_framebuffer((struct fb_info *)rinfo) < 0) {
printk(KERN_ERR PFX
"error registering riva framebuffer\n");
goto err_out_load_state;
}
riva_boards = riva_board_list_add(riva_boards, rinfo);
pci_set_drvdata(pd, rinfo);
printk(KERN_INFO PFX
"PCI nVidia 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;
err_out_load_state:
riva_load_state(rinfo, &rinfo->initial_state);
err_out_cursor:
rivafb_exit_cursor(rinfo);
/* err_out_iounmap_fb: */
iounmap(rinfo->fb_base);
err_out_iounmap_ctrl:
iounmap(rinfo->ctrl_base);
err_out_free_base1:
release_mem_region(rinfo->fb_base_phys, rinfo->base1_region_size);
err_out_free_base0:
release_mem_region(rinfo->ctrl_base_phys, rinfo->base0_region_size);
err_out_kfree:
kfree(rinfo);
err_out:
return -ENODEV;
}
static void __devexit rivafb_remove_one(struct pci_dev *pd)
{
struct rivafb_info *board = pci_get_drvdata(pd);
if (!board)
return;
riva_boards = riva_board_list_del(riva_boards, board);
riva_load_state(board, &board->initial_state);
unregister_framebuffer((struct fb_info *)board);
rivafb_exit_cursor(board);
#ifdef CONFIG_MTRR
if (board->mtrr.vram_valid)
mtrr_del(board->mtrr.vram, board->fb_base_phys,
board->base1_region_size);
#endif /* CONFIG_MTRR */
iounmap(board->ctrl_base);
iounmap(board->fb_base);
release_mem_region(board->ctrl_base_phys,
board->base0_region_size);
release_mem_region(board->fb_base_phys,
board->base1_region_size);
kfree(board);
pci_set_drvdata(pd, NULL);
}
/* ------------------------------------------------------------------------- *
*
* initialization
*
* ------------------------------------------------------------------------- */
#ifndef MODULE
int __init rivafb_setup(char *options)
{
char *this_opt;
if (!options || !*options)
return 0;
while ((this_opt = strsep(&options, ",")) != NULL) {
if (!*this_opt)
continue;
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, "noblink", 7)) {
noblink = 1;
} else if (!strncmp(this_opt, "noaccel", 7)) {
noaccel = 1;
} else if (!strncmp(this_opt, "nomove", 6)) {
nomove = 1;
#ifdef CONFIG_MTRR
} else if (!strncmp(this_opt, "nomtrr", 6)) {
nomtrr = 1;
#endif
} else if (!strncmp(this_opt, "nohwcursor", 10)) {
nohwcursor = 1;
} else
mode_option = this_opt;
}
return 0;
}
#endif /* !MODULE */
static struct pci_driver rivafb_driver = {
name: "rivafb",
id_table: rivafb_pci_tbl,
probe: rivafb_init_one,
remove: __devexit_p(rivafb_remove_one),
};
/* ------------------------------------------------------------------------- *
*
* modularization
*
* ------------------------------------------------------------------------- */
int __init rivafb_init(void)
{
int err;
#ifdef MODULE
if (font) strncpy(fontname, font, sizeof(fontname)-1);
#endif
err = pci_module_init(&rivafb_driver);
if (err)
return err;
return 0;
}
#ifdef MODULE
static void __exit rivafb_exit(void)
{
pci_unregister_driver(&rivafb_driver);
}
module_init(rivafb_init);
module_exit(rivafb_exit);
MODULE_PARM(font, "s");
MODULE_PARM_DESC(font, "Specifies one of the compiled-in fonts (default=none)");
MODULE_PARM(noaccel, "i");
MODULE_PARM_DESC(noaccel, "Disables hardware acceleration (0 or 1=disabled) (default=0)");
MODULE_PARM(nomove, "i");
MODULE_PARM_DESC(nomove, "Enables YSCROLL_NOMOVE (0 or 1=enabled) (default=0)");
MODULE_PARM(nohwcursor, "i");
MODULE_PARM_DESC(nohwcursor, "Disables hardware cursor (0 or 1=disabled) (default=0)");
MODULE_PARM(noblink, "i");
MODULE_PARM_DESC(noblink, "Disables hardware cursor blinking (0 or 1=disabled) (default=0)");
#ifdef CONFIG_MTRR
MODULE_PARM(nomtrr, "i");
MODULE_PARM_DESC(nomtrr, "Disables MTRR support (0 or 1=disabled) (default=0)");
#endif
#endif /* MODULE */
MODULE_AUTHOR("Ani Joshi, maintainer");
MODULE_DESCRIPTION("Framebuffer driver for nVidia Riva 128, TNT, TNT2");
MODULE_LICENSE("GPL");
|