fbdev.c
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上传日期:2013-02-24
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- /*
- * 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=%dn",
- #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("ENTERn");
- 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 renderern");
- 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("EXITn");
- }
- /**
- * 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 resolutionn");
- 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 errorn");
- 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%dn",
- 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 %dn", 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 %dn", 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 errorn");
- return -EINVAL;
- }
- }
-
- if (v->xres_virtual * nom / den >= 8192) {
- printk(KERN_WARNING PFX
- "virtual X resolution (%d) is too high, lowering to %dn",
- 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 realn", v->xres_virtual);
- return -EINVAL;
- }
- if (v->yres_virtual < v->yres) {
- printk(KERN_ERR PFX
- "virtual Y resolution (%d) is smaller than realn", 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("ENTERn");
- 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("ENTERn");
- 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 0n");
- 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("ENTERn");
- assert(info != NULL);
- assert(var != NULL);
- *var = (con < 0) ? rivainfo->disp.var : fb_display[con].var;
- DPRINTK("EXIT, returning 0n");
- 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("ENTERn");
- assert(info != NULL);
- assert(var != NULL);
- DPRINTK("Requested: %dx%dx%dn", var->xres, var->yres,
- var->bits_per_pixel);
- DPRINTK(" virtual: %dx%dn", var->xres_virtual,
- var->yres_virtual);
- DPRINTK(" offset: (%d,%d)n", var->xoffset, var->yoffset);
- DPRINTK("grayscale: %dn", 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 -EINVALn");
- 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_TESTn");
- return 0;
- case FB_ACTIVATE_NXTOPEN: /* ?? */
- case FB_ACTIVATE_NOW:
- break; /* continue */
- default:
- DPRINTK("EXIT - unknown activation typen");
- 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 0n");
- 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("ENTERn");
- 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 %dn", 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 0n");
- 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("ENTERn");
-
- 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 %dn", err);
- return err;
- }
- }
- if (con == rivainfo->currcon) { /* current console? */
- int rc = fb_set_cmap(cmap, kspc, riva_setcolreg, info);
- DPRINTK("EXIT - returning %dn", rc);
- return rc;
- } else
- fb_copy_cmap(cmap, &dsp->cmap, kspc ? 0 : 1);
- DPRINTK("EXIT, returning 0n");
- 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("ENTERn");
- 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 0n");
- 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("ENTERn");
- assert(rivainfo != NULL);
- /* no rivafb-specific ioctls */
- DPRINTK("EXIT, returning -EINVALn");
- 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("ENTERn");
-
- 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 = %dn",
- rivainfo->currcon, cmap->len);
- if (cmap->len) {
- DPRINTK("switch1a: %p %p %p %pn", 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 0n");
- return 0;
- }
- static int rivafb_updatevar(int con, struct fb_info *info)
- {
- int rc;
- DPRINTK("ENTERn");
- rc = (con < 0) ? -EINVAL : rivafb_pan_display(&fb_display[con].var,
- con, info);
- DPRINTK("EXIT, returning %dn", 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("ENTERn");
- 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("EXITn");
- }
- /* ------------------------------------------------------------------------- *
- *
- * 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("ENTERn");
- 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 -1n");
- return -1;
- }
- riva_set_dispsw(rinfo, disp);
- DPRINTK("EXIT, returning 0n");
- 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 regionn");
- goto err_out_kfree;
- }
- if (!request_mem_region(rinfo->fb_base_phys,
- rinfo->base1_region_size, "rivafb")) {
- printk(KERN_ERR PFX "cannot reserve FB regionn");
- 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 basen");
- 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 basen");
- 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 MTRRn");
- } else {
- rinfo->mtrr.vram_valid = 1;
- /* let there be speed */
- printk(KERN_INFO PFX "RIVA MTRR set to ONn");
- }
- }
- #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 moden");
- goto err_out_cursor;
- }
- if (register_framebuffer((struct fb_info *)rinfo) < 0) {
- printk(KERN_ERR PFX
- "error registering riva framebuffern");
- 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");