2 * ATI Frame Buffer Device Driver Core
4 * Copyright (C) 2004 Alex Kern <alex.kern@gmx.de>
5 * Copyright (C) 1997-2001 Geert Uytterhoeven
6 * Copyright (C) 1998 Bernd Harries
7 * Copyright (C) 1998 Eddie C. Dost (ecd@skynet.be)
9 * This driver supports the following ATI graphics chips:
12 * To do: add support for
13 * - ATI Rage128 (from aty128fb.c)
14 * - ATI Radeon (from radeonfb.c)
16 * This driver is partly based on the PowerMac console driver:
18 * Copyright (C) 1996 Paul Mackerras
20 * and on the PowerMac ATI/mach64 display driver:
22 * Copyright (C) 1997 Michael AK Tesch
24 * with work by Jon Howell
26 * Anthony Tong <atong@uiuc.edu>
28 * Generic LCD support written by Daniel Mantione, ported from 2.4.20 by Alex Kern
29 * Many Thanks to Ville Syrjälä for patches and fixing nasting 16 bit color bug.
31 * This file is subject to the terms and conditions of the GNU General Public
32 * License. See the file COPYING in the main directory of this archive for
35 * Many thanks to Nitya from ATI devrel for support and patience !
38 /******************************************************************************
42 - cursor support on all cards and all ramdacs.
43 - cursor parameters controlable via ioctl()s.
44 - guess PLL and MCLK based on the original PLL register values initialized
45 by Open Firmware (if they are initialized). BIOS is done
47 (Anyone with Mac to help with this?)
49 ******************************************************************************/
52 #include <linux/config.h>
53 #include <linux/module.h>
54 #include <linux/moduleparam.h>
55 #include <linux/kernel.h>
56 #include <linux/errno.h>
57 #include <linux/string.h>
59 #include <linux/slab.h>
60 #include <linux/vmalloc.h>
61 #include <linux/delay.h>
62 #include <linux/console.h>
64 #include <linux/init.h>
65 #include <linux/pci.h>
66 #include <linux/interrupt.h>
67 #include <linux/spinlock.h>
68 #include <linux/wait.h>
69 #include <linux/backlight.h>
72 #include <asm/uaccess.h>
74 #include <video/mach64.h>
79 #include <asm/machdep.h>
81 #include "../macmodes.h"
89 #include <linux/adb.h>
90 #include <linux/pmu.h>
92 #ifdef CONFIG_BOOTX_TEXT
93 #include <asm/btext.h>
95 #ifdef CONFIG_PMAC_BACKLIGHT
96 #include <asm/backlight.h>
108 /* Make sure n * PAGE_SIZE is protected at end of Aperture for GUI-regs */
109 /* - must be large enough to catch all GUI-Regs */
110 /* - must be aligned to a PAGE boundary */
111 #define GUI_RESERVE (1 * PAGE_SIZE)
113 /* FIXME: remove the FAIL definition */
114 #define FAIL(msg) do { \
115 if (!(var->activate & FB_ACTIVATE_TEST)) \
116 printk(KERN_CRIT "atyfb: " msg "\n"); \
119 #define FAIL_MAX(msg, x, _max_) do { \
121 if (!(var->activate & FB_ACTIVATE_TEST)) \
122 printk(KERN_CRIT "atyfb: " msg " %x(%x)\n", x, _max_); \
127 #define DPRINTK(fmt, args...) printk(KERN_DEBUG "atyfb: " fmt, ## args)
129 #define DPRINTK(fmt, args...)
132 #define PRINTKI(fmt, args...) printk(KERN_INFO "atyfb: " fmt, ## args)
133 #define PRINTKE(fmt, args...) printk(KERN_ERR "atyfb: " fmt, ## args)
135 #if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD)
136 static const u32 lt_lcd_regs[] = {
143 0, /* EXT_VERT_STRETCH */
148 void aty_st_lcd(int index, u32 val, const struct atyfb_par *par)
150 if (M64_HAS(LT_LCD_REGS)) {
151 aty_st_le32(lt_lcd_regs[index], val, par);
155 /* write addr byte */
156 temp = aty_ld_le32(LCD_INDEX, par);
157 aty_st_le32(LCD_INDEX, (temp & ~LCD_INDEX_MASK) | index, par);
158 /* write the register value */
159 aty_st_le32(LCD_DATA, val, par);
163 u32 aty_ld_lcd(int index, const struct atyfb_par *par)
165 if (M64_HAS(LT_LCD_REGS)) {
166 return aty_ld_le32(lt_lcd_regs[index], par);
170 /* write addr byte */
171 temp = aty_ld_le32(LCD_INDEX, par);
172 aty_st_le32(LCD_INDEX, (temp & ~LCD_INDEX_MASK) | index, par);
173 /* read the register value */
174 return aty_ld_le32(LCD_DATA, par);
177 #endif /* defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || defined (CONFIG_FB_ATY_GENERIC_LCD) */
179 #ifdef CONFIG_FB_ATY_GENERIC_LCD
183 * Reduce a fraction by factoring out the largest common divider of the
184 * fraction's numerator and denominator.
186 static void ATIReduceRatio(int *Numerator, int *Denominator)
188 int Multiplier, Divider, Remainder;
190 Multiplier = *Numerator;
191 Divider = *Denominator;
193 while ((Remainder = Multiplier % Divider))
195 Multiplier = Divider;
199 *Numerator /= Divider;
200 *Denominator /= Divider;
204 * The Hardware parameters for each card
207 struct aty_cmap_regs {
215 struct pci_mmap_map {
219 unsigned long prot_flag;
220 unsigned long prot_mask;
223 static struct fb_fix_screeninfo atyfb_fix __devinitdata = {
225 .type = FB_TYPE_PACKED_PIXELS,
226 .visual = FB_VISUAL_PSEUDOCOLOR,
232 * Frame buffer device API
235 static int atyfb_open(struct fb_info *info, int user);
236 static int atyfb_release(struct fb_info *info, int user);
237 static int atyfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info);
238 static int atyfb_set_par(struct fb_info *info);
239 static int atyfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
240 u_int transp, struct fb_info *info);
241 static int atyfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
242 static int atyfb_blank(int blank, struct fb_info *info);
243 static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg);
244 extern void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
245 extern void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
246 extern void atyfb_imageblit(struct fb_info *info, const struct fb_image *image);
248 static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma);
250 static int atyfb_sync(struct fb_info *info);
256 static int aty_init(struct fb_info *info, const char *name);
258 static int store_video_par(char *videopar, unsigned char m64_num);
261 static struct crtc saved_crtc;
262 static union aty_pll saved_pll;
263 static void aty_get_crtc(const struct atyfb_par *par, struct crtc *crtc);
265 static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc);
266 static int aty_var_to_crtc(const struct fb_info *info, const struct fb_var_screeninfo *var, struct crtc *crtc);
267 static int aty_crtc_to_var(const struct crtc *crtc, struct fb_var_screeninfo *var);
268 static void set_off_pitch(struct atyfb_par *par, const struct fb_info *info);
270 static int read_aty_sense(const struct atyfb_par *par);
275 * Interface used by the world
278 static struct fb_var_screeninfo default_var = {
279 /* 640x480, 60 Hz, Non-Interlaced (25.175 MHz dotclock) */
280 640, 480, 640, 480, 0, 0, 8, 0,
281 {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0},
282 0, 0, -1, -1, 0, 39722, 48, 16, 33, 10, 96, 2,
283 0, FB_VMODE_NONINTERLACED
286 static struct fb_videomode defmode = {
287 /* 640x480 @ 60 Hz, 31.5 kHz hsync */
288 NULL, 60, 640, 480, 39721, 40, 24, 32, 11, 96, 2,
289 0, FB_VMODE_NONINTERLACED
292 static struct fb_ops atyfb_ops = {
293 .owner = THIS_MODULE,
294 .fb_open = atyfb_open,
295 .fb_release = atyfb_release,
296 .fb_check_var = atyfb_check_var,
297 .fb_set_par = atyfb_set_par,
298 .fb_setcolreg = atyfb_setcolreg,
299 .fb_pan_display = atyfb_pan_display,
300 .fb_blank = atyfb_blank,
301 .fb_ioctl = atyfb_ioctl,
302 .fb_fillrect = atyfb_fillrect,
303 .fb_copyarea = atyfb_copyarea,
304 .fb_imageblit = atyfb_imageblit,
306 .fb_mmap = atyfb_mmap,
308 .fb_sync = atyfb_sync,
319 static int comp_sync __devinitdata = -1;
323 static int default_vmode __devinitdata = VMODE_CHOOSE;
324 static int default_cmode __devinitdata = CMODE_CHOOSE;
326 module_param_named(vmode, default_vmode, int, 0);
327 MODULE_PARM_DESC(vmode, "int: video mode for mac");
328 module_param_named(cmode, default_cmode, int, 0);
329 MODULE_PARM_DESC(cmode, "int: color mode for mac");
333 static unsigned int mach64_count __devinitdata = 0;
334 static unsigned long phys_vmembase[FB_MAX] __devinitdata = { 0, };
335 static unsigned long phys_size[FB_MAX] __devinitdata = { 0, };
336 static unsigned long phys_guiregbase[FB_MAX] __devinitdata = { 0, };
339 /* top -> down is an evolution of mach64 chipset, any corrections? */
340 #define ATI_CHIP_88800GX (M64F_GX)
341 #define ATI_CHIP_88800CX (M64F_GX)
343 #define ATI_CHIP_264CT (M64F_CT | M64F_INTEGRATED | M64F_CT_BUS | M64F_MAGIC_FIFO)
344 #define ATI_CHIP_264ET (M64F_CT | M64F_INTEGRATED | M64F_CT_BUS | M64F_MAGIC_FIFO)
346 #define ATI_CHIP_264VT (M64F_VT | M64F_INTEGRATED | M64F_VT_BUS | M64F_MAGIC_FIFO)
347 #define ATI_CHIP_264GT (M64F_GT | M64F_INTEGRATED | M64F_MAGIC_FIFO | M64F_EXTRA_BRIGHT)
349 #define ATI_CHIP_264VTB (M64F_VT | M64F_INTEGRATED | M64F_VT_BUS | M64F_GTB_DSP)
350 #define ATI_CHIP_264VT3 (M64F_VT | M64F_INTEGRATED | M64F_VT_BUS | M64F_GTB_DSP | M64F_SDRAM_MAGIC_PLL)
351 #define ATI_CHIP_264VT4 (M64F_VT | M64F_INTEGRATED | M64F_GTB_DSP)
353 /* FIXME what is this chip? */
354 #define ATI_CHIP_264LT (M64F_GT | M64F_INTEGRATED | M64F_GTB_DSP)
356 /* make sets shorter */
357 #define ATI_MODERN_SET (M64F_GT | M64F_INTEGRATED | M64F_GTB_DSP | M64F_EXTRA_BRIGHT)
359 #define ATI_CHIP_264GTB (ATI_MODERN_SET | M64F_SDRAM_MAGIC_PLL)
360 /*#define ATI_CHIP_264GTDVD ?*/
361 #define ATI_CHIP_264LTG (ATI_MODERN_SET | M64F_SDRAM_MAGIC_PLL)
363 #define ATI_CHIP_264GT2C (ATI_MODERN_SET | M64F_SDRAM_MAGIC_PLL | M64F_HW_TRIPLE)
364 #define ATI_CHIP_264GTPRO (ATI_MODERN_SET | M64F_SDRAM_MAGIC_PLL | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D)
365 #define ATI_CHIP_264LTPRO (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D)
367 #define ATI_CHIP_264XL (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4)
368 #define ATI_CHIP_MOBILITY (ATI_MODERN_SET | M64F_HW_TRIPLE | M64F_FIFO_32 | M64F_RESET_3D | M64F_XL_DLL | M64F_MFB_FORCE_4 | M64F_MOBIL_BUS)
373 int pll, mclk, xclk, ecp_max;
375 } aty_chips[] __devinitdata = {
376 #ifdef CONFIG_FB_ATY_GX
378 { PCI_CHIP_MACH64GX, "ATI888GX00 (Mach64 GX)", 135, 50, 50, 0, ATI_CHIP_88800GX },
379 { PCI_CHIP_MACH64CX, "ATI888CX00 (Mach64 CX)", 135, 50, 50, 0, ATI_CHIP_88800CX },
380 #endif /* CONFIG_FB_ATY_GX */
382 #ifdef CONFIG_FB_ATY_CT
383 { PCI_CHIP_MACH64CT, "ATI264CT (Mach64 CT)", 135, 60, 60, 0, ATI_CHIP_264CT },
384 { PCI_CHIP_MACH64ET, "ATI264ET (Mach64 ET)", 135, 60, 60, 0, ATI_CHIP_264ET },
386 /* FIXME what is this chip? */
387 { PCI_CHIP_MACH64LT, "ATI264LT (Mach64 LT)", 135, 63, 63, 0, ATI_CHIP_264LT },
389 { PCI_CHIP_MACH64VT, "ATI264VT (Mach64 VT)", 170, 67, 67, 80, ATI_CHIP_264VT },
390 { PCI_CHIP_MACH64GT, "3D RAGE (Mach64 GT)", 135, 63, 63, 80, ATI_CHIP_264GT },
392 { PCI_CHIP_MACH64VU, "ATI264VT3 (Mach64 VU)", 200, 67, 67, 80, ATI_CHIP_264VT3 },
393 { PCI_CHIP_MACH64GU, "3D RAGE II+ (Mach64 GU)", 200, 67, 67, 100, ATI_CHIP_264GTB },
395 { PCI_CHIP_MACH64LG, "3D RAGE LT (Mach64 LG)", 230, 63, 63, 100, ATI_CHIP_264LTG | M64F_LT_LCD_REGS | M64F_G3_PB_1024x768 },
397 { PCI_CHIP_MACH64VV, "ATI264VT4 (Mach64 VV)", 230, 83, 83, 100, ATI_CHIP_264VT4 },
399 { PCI_CHIP_MACH64GV, "3D RAGE IIC (Mach64 GV, PCI)", 230, 83, 83, 100, ATI_CHIP_264GT2C },
400 { PCI_CHIP_MACH64GW, "3D RAGE IIC (Mach64 GW, AGP)", 230, 83, 83, 100, ATI_CHIP_264GT2C },
401 { PCI_CHIP_MACH64GY, "3D RAGE IIC (Mach64 GY, PCI)", 230, 83, 83, 100, ATI_CHIP_264GT2C },
402 { PCI_CHIP_MACH64GZ, "3D RAGE IIC (Mach64 GZ, AGP)", 230, 83, 83, 100, ATI_CHIP_264GT2C },
404 { PCI_CHIP_MACH64GB, "3D RAGE PRO (Mach64 GB, BGA, AGP)", 230, 100, 100, 125, ATI_CHIP_264GTPRO },
405 { PCI_CHIP_MACH64GD, "3D RAGE PRO (Mach64 GD, BGA, AGP 1x)", 230, 100, 100, 125, ATI_CHIP_264GTPRO },
406 { PCI_CHIP_MACH64GI, "3D RAGE PRO (Mach64 GI, BGA, PCI)", 230, 100, 100, 125, ATI_CHIP_264GTPRO | M64F_MAGIC_VRAM_SIZE },
407 { PCI_CHIP_MACH64GP, "3D RAGE PRO (Mach64 GP, PQFP, PCI)", 230, 100, 100, 125, ATI_CHIP_264GTPRO },
408 { PCI_CHIP_MACH64GQ, "3D RAGE PRO (Mach64 GQ, PQFP, PCI, limited 3D)", 230, 100, 100, 125, ATI_CHIP_264GTPRO },
410 { PCI_CHIP_MACH64LB, "3D RAGE LT PRO (Mach64 LB, AGP)", 236, 75, 100, 135, ATI_CHIP_264LTPRO },
411 { PCI_CHIP_MACH64LD, "3D RAGE LT PRO (Mach64 LD, AGP)", 230, 100, 100, 135, ATI_CHIP_264LTPRO },
412 { PCI_CHIP_MACH64LI, "3D RAGE LT PRO (Mach64 LI, PCI)", 230, 100, 100, 135, ATI_CHIP_264LTPRO | M64F_G3_PB_1_1 | M64F_G3_PB_1024x768 },
413 { PCI_CHIP_MACH64LP, "3D RAGE LT PRO (Mach64 LP, PCI)", 230, 100, 100, 135, ATI_CHIP_264LTPRO },
414 { PCI_CHIP_MACH64LQ, "3D RAGE LT PRO (Mach64 LQ, PCI)", 230, 100, 100, 135, ATI_CHIP_264LTPRO },
416 { PCI_CHIP_MACH64GM, "3D RAGE XL (Mach64 GM, AGP 2x)", 230, 83, 63, 135, ATI_CHIP_264XL },
417 { PCI_CHIP_MACH64GN, "3D RAGE XC (Mach64 GN, AGP 2x)", 230, 83, 63, 135, ATI_CHIP_264XL },
418 { PCI_CHIP_MACH64GO, "3D RAGE XL (Mach64 GO, PCI-66)", 230, 83, 63, 135, ATI_CHIP_264XL },
419 { PCI_CHIP_MACH64GL, "3D RAGE XC (Mach64 GL, PCI-66)", 230, 83, 63, 135, ATI_CHIP_264XL },
420 { PCI_CHIP_MACH64GR, "3D RAGE XL (Mach64 GR, PCI-33)", 230, 83, 63, 135, ATI_CHIP_264XL | M64F_SDRAM_MAGIC_PLL },
421 { PCI_CHIP_MACH64GS, "3D RAGE XC (Mach64 GS, PCI-33)", 230, 83, 63, 135, ATI_CHIP_264XL },
423 { PCI_CHIP_MACH64LM, "3D RAGE Mobility P/M (Mach64 LM, AGP 2x)", 230, 83, 125, 135, ATI_CHIP_MOBILITY },
424 { PCI_CHIP_MACH64LN, "3D RAGE Mobility L (Mach64 LN, AGP 2x)", 230, 83, 125, 135, ATI_CHIP_MOBILITY },
425 { PCI_CHIP_MACH64LR, "3D RAGE Mobility P/M (Mach64 LR, PCI)", 230, 83, 125, 135, ATI_CHIP_MOBILITY },
426 { PCI_CHIP_MACH64LS, "3D RAGE Mobility L (Mach64 LS, PCI)", 230, 83, 125, 135, ATI_CHIP_MOBILITY },
427 #endif /* CONFIG_FB_ATY_CT */
431 static int __devinit correct_chipset(struct atyfb_par *par)
439 for (i = ARRAY_SIZE(aty_chips) - 1; i >= 0; i--)
440 if (par->pci_id == aty_chips[i].pci_id)
443 name = aty_chips[i].name;
444 par->pll_limits.pll_max = aty_chips[i].pll;
445 par->pll_limits.mclk = aty_chips[i].mclk;
446 par->pll_limits.xclk = aty_chips[i].xclk;
447 par->pll_limits.ecp_max = aty_chips[i].ecp_max;
448 par->features = aty_chips[i].features;
450 chip_id = aty_ld_le32(CONFIG_CHIP_ID, par);
451 type = chip_id & CFG_CHIP_TYPE;
452 rev = (chip_id & CFG_CHIP_REV) >> 24;
454 switch(par->pci_id) {
455 #ifdef CONFIG_FB_ATY_GX
456 case PCI_CHIP_MACH64GX:
460 case PCI_CHIP_MACH64CX:
465 #ifdef CONFIG_FB_ATY_CT
466 case PCI_CHIP_MACH64VT:
467 switch (rev & 0x07) {
469 switch (rev & 0xc0) {
471 name = "ATI264VT (A3) (Mach64 VT)";
472 par->pll_limits.pll_max = 170;
473 par->pll_limits.mclk = 67;
474 par->pll_limits.xclk = 67;
475 par->pll_limits.ecp_max = 80;
476 par->features = ATI_CHIP_264VT;
479 name = "ATI264VT2 (A4) (Mach64 VT)";
480 par->pll_limits.pll_max = 200;
481 par->pll_limits.mclk = 67;
482 par->pll_limits.xclk = 67;
483 par->pll_limits.ecp_max = 80;
484 par->features = ATI_CHIP_264VT | M64F_MAGIC_POSTDIV;
489 name = "ATI264VT3 (B1) (Mach64 VT)";
490 par->pll_limits.pll_max = 200;
491 par->pll_limits.mclk = 67;
492 par->pll_limits.xclk = 67;
493 par->pll_limits.ecp_max = 80;
494 par->features = ATI_CHIP_264VTB;
497 name = "ATI264VT3 (B2) (Mach64 VT)";
498 par->pll_limits.pll_max = 200;
499 par->pll_limits.mclk = 67;
500 par->pll_limits.xclk = 67;
501 par->pll_limits.ecp_max = 80;
502 par->features = ATI_CHIP_264VT3;
506 case PCI_CHIP_MACH64GT:
507 switch (rev & 0x07) {
509 name = "3D RAGE II (Mach64 GT)";
510 par->pll_limits.pll_max = 170;
511 par->pll_limits.mclk = 67;
512 par->pll_limits.xclk = 67;
513 par->pll_limits.ecp_max = 80;
514 par->features = ATI_CHIP_264GTB;
517 name = "3D RAGE II+ (Mach64 GT)";
518 par->pll_limits.pll_max = 200;
519 par->pll_limits.mclk = 67;
520 par->pll_limits.xclk = 67;
521 par->pll_limits.ecp_max = 100;
522 par->features = ATI_CHIP_264GTB;
529 PRINTKI("%s [0x%04x rev 0x%02x]\n", name, type, rev);
533 static char ram_dram[] __devinitdata = "DRAM";
534 static char ram_resv[] __devinitdata = "RESV";
535 #ifdef CONFIG_FB_ATY_GX
536 static char ram_vram[] __devinitdata = "VRAM";
537 #endif /* CONFIG_FB_ATY_GX */
538 #ifdef CONFIG_FB_ATY_CT
539 static char ram_edo[] __devinitdata = "EDO";
540 static char ram_sdram[] __devinitdata = "SDRAM (1:1)";
541 static char ram_sgram[] __devinitdata = "SGRAM (1:1)";
542 static char ram_sdram32[] __devinitdata = "SDRAM (2:1) (32-bit)";
543 static char ram_off[] __devinitdata = "OFF";
544 #endif /* CONFIG_FB_ATY_CT */
547 static u32 pseudo_palette[17];
549 #ifdef CONFIG_FB_ATY_GX
550 static char *aty_gx_ram[8] __devinitdata = {
551 ram_dram, ram_vram, ram_vram, ram_dram,
552 ram_dram, ram_vram, ram_vram, ram_resv
554 #endif /* CONFIG_FB_ATY_GX */
556 #ifdef CONFIG_FB_ATY_CT
557 static char *aty_ct_ram[8] __devinitdata = {
558 ram_off, ram_dram, ram_edo, ram_edo,
559 ram_sdram, ram_sgram, ram_sdram32, ram_resv
561 #endif /* CONFIG_FB_ATY_CT */
563 static u32 atyfb_get_pixclock(struct fb_var_screeninfo *var, struct atyfb_par *par)
565 u32 pixclock = var->pixclock;
566 #ifdef CONFIG_FB_ATY_GENERIC_LCD
568 par->pll.ct.xres = 0;
569 if (par->lcd_table != 0) {
570 lcd_on_off = aty_ld_lcd(LCD_GEN_CNTL, par);
571 if(lcd_on_off & LCD_ON) {
572 par->pll.ct.xres = var->xres;
573 pixclock = par->lcd_pixclock;
580 #if defined(CONFIG_PPC)
583 * Apple monitor sense
586 static int __devinit read_aty_sense(const struct atyfb_par *par)
590 aty_st_le32(GP_IO, 0x31003100, par); /* drive outputs high */
592 aty_st_le32(GP_IO, 0, par); /* turn off outputs */
594 i = aty_ld_le32(GP_IO, par); /* get primary sense value */
595 sense = ((i & 0x3000) >> 3) | (i & 0x100);
597 /* drive each sense line low in turn and collect the other 2 */
598 aty_st_le32(GP_IO, 0x20000000, par); /* drive A low */
600 i = aty_ld_le32(GP_IO, par);
601 sense |= ((i & 0x1000) >> 7) | ((i & 0x100) >> 4);
602 aty_st_le32(GP_IO, 0x20002000, par); /* drive A high again */
605 aty_st_le32(GP_IO, 0x10000000, par); /* drive B low */
607 i = aty_ld_le32(GP_IO, par);
608 sense |= ((i & 0x2000) >> 10) | ((i & 0x100) >> 6);
609 aty_st_le32(GP_IO, 0x10001000, par); /* drive B high again */
612 aty_st_le32(GP_IO, 0x01000000, par); /* drive C low */
614 sense |= (aty_ld_le32(GP_IO, par) & 0x3000) >> 12;
615 aty_st_le32(GP_IO, 0, par); /* turn off outputs */
619 #endif /* defined(CONFIG_PPC) */
621 /* ------------------------------------------------------------------------- */
627 static void aty_get_crtc(const struct atyfb_par *par, struct crtc *crtc)
629 #ifdef CONFIG_FB_ATY_GENERIC_LCD
630 if (par->lcd_table != 0) {
631 if(!M64_HAS(LT_LCD_REGS)) {
632 crtc->lcd_index = aty_ld_le32(LCD_INDEX, par);
633 aty_st_le32(LCD_INDEX, crtc->lcd_index, par);
635 crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par);
636 crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par);
639 /* switch to non shadow registers */
640 aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl &
641 ~(CRTC_RW_SELECT | SHADOW_EN | SHADOW_RW_EN), par);
643 /* save stretching */
644 crtc->horz_stretching = aty_ld_lcd(HORZ_STRETCHING, par);
645 crtc->vert_stretching = aty_ld_lcd(VERT_STRETCHING, par);
646 if (!M64_HAS(LT_LCD_REGS))
647 crtc->ext_vert_stretch = aty_ld_lcd(EXT_VERT_STRETCH, par);
650 crtc->h_tot_disp = aty_ld_le32(CRTC_H_TOTAL_DISP, par);
651 crtc->h_sync_strt_wid = aty_ld_le32(CRTC_H_SYNC_STRT_WID, par);
652 crtc->v_tot_disp = aty_ld_le32(CRTC_V_TOTAL_DISP, par);
653 crtc->v_sync_strt_wid = aty_ld_le32(CRTC_V_SYNC_STRT_WID, par);
654 crtc->vline_crnt_vline = aty_ld_le32(CRTC_VLINE_CRNT_VLINE, par);
655 crtc->off_pitch = aty_ld_le32(CRTC_OFF_PITCH, par);
656 crtc->gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
658 #ifdef CONFIG_FB_ATY_GENERIC_LCD
659 if (par->lcd_table != 0) {
660 /* switch to shadow registers */
661 aty_st_lcd(LCD_GEN_CNTL, (crtc->lcd_gen_cntl & ~CRTC_RW_SELECT) |
662 SHADOW_EN | SHADOW_RW_EN, par);
664 crtc->shadow_h_tot_disp = aty_ld_le32(CRTC_H_TOTAL_DISP, par);
665 crtc->shadow_h_sync_strt_wid = aty_ld_le32(CRTC_H_SYNC_STRT_WID, par);
666 crtc->shadow_v_tot_disp = aty_ld_le32(CRTC_V_TOTAL_DISP, par);
667 crtc->shadow_v_sync_strt_wid = aty_ld_le32(CRTC_V_SYNC_STRT_WID, par);
669 aty_st_le32(LCD_GEN_CNTL, crtc->lcd_gen_cntl, par);
671 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
674 static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc)
676 #ifdef CONFIG_FB_ATY_GENERIC_LCD
677 if (par->lcd_table != 0) {
679 aty_st_le32(CRTC_GEN_CNTL, crtc->gen_cntl & ~(CRTC_EXT_DISP_EN | CRTC_EN), par);
681 /* update non-shadow registers first */
682 aty_st_lcd(CONFIG_PANEL, crtc->lcd_config_panel, par);
683 aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl &
684 ~(CRTC_RW_SELECT | SHADOW_EN | SHADOW_RW_EN), par);
686 /* temporarily disable stretching */
687 aty_st_lcd(HORZ_STRETCHING,
688 crtc->horz_stretching &
689 ~(HORZ_STRETCH_MODE | HORZ_STRETCH_EN), par);
690 aty_st_lcd(VERT_STRETCHING,
691 crtc->vert_stretching &
692 ~(VERT_STRETCH_RATIO1 | VERT_STRETCH_RATIO2 |
693 VERT_STRETCH_USE0 | VERT_STRETCH_EN), par);
697 aty_st_le32(CRTC_GEN_CNTL, crtc->gen_cntl & ~CRTC_EN, par);
699 DPRINTK("setting up CRTC\n");
700 DPRINTK("set primary CRT to %ix%i %c%c composite %c\n",
701 ((((crtc->h_tot_disp>>16) & 0xff) + 1)<<3), (((crtc->v_tot_disp>>16) & 0x7ff) + 1),
702 (crtc->h_sync_strt_wid & 0x200000)?'N':'P', (crtc->v_sync_strt_wid & 0x200000)?'N':'P',
703 (crtc->gen_cntl & CRTC_CSYNC_EN)?'P':'N');
705 DPRINTK("CRTC_H_TOTAL_DISP: %x\n",crtc->h_tot_disp);
706 DPRINTK("CRTC_H_SYNC_STRT_WID: %x\n",crtc->h_sync_strt_wid);
707 DPRINTK("CRTC_V_TOTAL_DISP: %x\n",crtc->v_tot_disp);
708 DPRINTK("CRTC_V_SYNC_STRT_WID: %x\n",crtc->v_sync_strt_wid);
709 DPRINTK("CRTC_OFF_PITCH: %x\n", crtc->off_pitch);
710 DPRINTK("CRTC_VLINE_CRNT_VLINE: %x\n", crtc->vline_crnt_vline);
711 DPRINTK("CRTC_GEN_CNTL: %x\n",crtc->gen_cntl);
713 aty_st_le32(CRTC_H_TOTAL_DISP, crtc->h_tot_disp, par);
714 aty_st_le32(CRTC_H_SYNC_STRT_WID, crtc->h_sync_strt_wid, par);
715 aty_st_le32(CRTC_V_TOTAL_DISP, crtc->v_tot_disp, par);
716 aty_st_le32(CRTC_V_SYNC_STRT_WID, crtc->v_sync_strt_wid, par);
717 aty_st_le32(CRTC_OFF_PITCH, crtc->off_pitch, par);
718 aty_st_le32(CRTC_VLINE_CRNT_VLINE, crtc->vline_crnt_vline, par);
720 aty_st_le32(CRTC_GEN_CNTL, crtc->gen_cntl, par);
723 if (par->accel_flags & FB_ACCELF_TEXT)
724 aty_init_engine(par, info);
726 #ifdef CONFIG_FB_ATY_GENERIC_LCD
727 /* after setting the CRTC registers we should set the LCD registers. */
728 if (par->lcd_table != 0) {
729 /* switch to shadow registers */
730 aty_st_lcd(LCD_GEN_CNTL, (crtc->lcd_gen_cntl & ~CRTC_RW_SELECT) |
731 (SHADOW_EN | SHADOW_RW_EN), par);
733 DPRINTK("set shadow CRT to %ix%i %c%c\n",
734 ((((crtc->shadow_h_tot_disp>>16) & 0xff) + 1)<<3), (((crtc->shadow_v_tot_disp>>16) & 0x7ff) + 1),
735 (crtc->shadow_h_sync_strt_wid & 0x200000)?'N':'P', (crtc->shadow_v_sync_strt_wid & 0x200000)?'N':'P');
737 DPRINTK("SHADOW CRTC_H_TOTAL_DISP: %x\n", crtc->shadow_h_tot_disp);
738 DPRINTK("SHADOW CRTC_H_SYNC_STRT_WID: %x\n", crtc->shadow_h_sync_strt_wid);
739 DPRINTK("SHADOW CRTC_V_TOTAL_DISP: %x\n", crtc->shadow_v_tot_disp);
740 DPRINTK("SHADOW CRTC_V_SYNC_STRT_WID: %x\n", crtc->shadow_v_sync_strt_wid);
742 aty_st_le32(CRTC_H_TOTAL_DISP, crtc->shadow_h_tot_disp, par);
743 aty_st_le32(CRTC_H_SYNC_STRT_WID, crtc->shadow_h_sync_strt_wid, par);
744 aty_st_le32(CRTC_V_TOTAL_DISP, crtc->shadow_v_tot_disp, par);
745 aty_st_le32(CRTC_V_SYNC_STRT_WID, crtc->shadow_v_sync_strt_wid, par);
747 /* restore CRTC selection & shadow state and enable stretching */
748 DPRINTK("LCD_GEN_CNTL: %x\n", crtc->lcd_gen_cntl);
749 DPRINTK("HORZ_STRETCHING: %x\n", crtc->horz_stretching);
750 DPRINTK("VERT_STRETCHING: %x\n", crtc->vert_stretching);
751 if(!M64_HAS(LT_LCD_REGS))
752 DPRINTK("EXT_VERT_STRETCH: %x\n", crtc->ext_vert_stretch);
754 aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl, par);
755 aty_st_lcd(HORZ_STRETCHING, crtc->horz_stretching, par);
756 aty_st_lcd(VERT_STRETCHING, crtc->vert_stretching, par);
757 if(!M64_HAS(LT_LCD_REGS)) {
758 aty_st_lcd(EXT_VERT_STRETCH, crtc->ext_vert_stretch, par);
759 aty_ld_le32(LCD_INDEX, par);
760 aty_st_le32(LCD_INDEX, crtc->lcd_index, par);
763 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
766 static int aty_var_to_crtc(const struct fb_info *info,
767 const struct fb_var_screeninfo *var, struct crtc *crtc)
769 struct atyfb_par *par = (struct atyfb_par *) info->par;
770 u32 xres, yres, vxres, vyres, xoffset, yoffset, bpp;
771 u32 sync, vmode, vdisplay;
772 u32 h_total, h_disp, h_sync_strt, h_sync_end, h_sync_dly, h_sync_wid, h_sync_pol;
773 u32 v_total, v_disp, v_sync_strt, v_sync_end, v_sync_wid, v_sync_pol, c_sync;
774 u32 pix_width, dp_pix_width, dp_chain_mask;
779 vxres = var->xres_virtual;
780 vyres = var->yres_virtual;
781 xoffset = var->xoffset;
782 yoffset = var->yoffset;
783 bpp = var->bits_per_pixel;
785 bpp = (var->green.length == 5) ? 15 : 16;
789 /* convert (and round up) and validate */
790 if (vxres < xres + xoffset)
791 vxres = xres + xoffset;
794 if (vyres < yres + yoffset)
795 vyres = yres + yoffset;
800 pix_width = CRTC_PIX_WIDTH_8BPP;
802 HOST_8BPP | SRC_8BPP | DST_8BPP |
803 BYTE_ORDER_LSB_TO_MSB;
804 dp_chain_mask = DP_CHAIN_8BPP;
805 } else if (bpp <= 15) {
807 pix_width = CRTC_PIX_WIDTH_15BPP;
808 dp_pix_width = HOST_15BPP | SRC_15BPP | DST_15BPP |
809 BYTE_ORDER_LSB_TO_MSB;
810 dp_chain_mask = DP_CHAIN_15BPP;
811 } else if (bpp <= 16) {
813 pix_width = CRTC_PIX_WIDTH_16BPP;
814 dp_pix_width = HOST_16BPP | SRC_16BPP | DST_16BPP |
815 BYTE_ORDER_LSB_TO_MSB;
816 dp_chain_mask = DP_CHAIN_16BPP;
817 } else if (bpp <= 24 && M64_HAS(INTEGRATED)) {
819 pix_width = CRTC_PIX_WIDTH_24BPP;
821 HOST_8BPP | SRC_8BPP | DST_8BPP |
822 BYTE_ORDER_LSB_TO_MSB;
823 dp_chain_mask = DP_CHAIN_24BPP;
824 } else if (bpp <= 32) {
826 pix_width = CRTC_PIX_WIDTH_32BPP;
827 dp_pix_width = HOST_32BPP | SRC_32BPP | DST_32BPP |
828 BYTE_ORDER_LSB_TO_MSB;
829 dp_chain_mask = DP_CHAIN_32BPP;
833 if (vxres * vyres * bpp / 8 > info->fix.smem_len)
834 FAIL("not enough video RAM");
836 h_sync_pol = sync & FB_SYNC_HOR_HIGH_ACT ? 0 : 1;
837 v_sync_pol = sync & FB_SYNC_VERT_HIGH_ACT ? 0 : 1;
839 if((xres > 1600) || (yres > 1200)) {
840 FAIL("MACH64 chips are designed for max 1600x1200\n"
841 "select anoter resolution.");
843 h_sync_strt = h_disp + var->right_margin;
844 h_sync_end = h_sync_strt + var->hsync_len;
845 h_sync_dly = var->right_margin & 7;
846 h_total = h_sync_end + h_sync_dly + var->left_margin;
848 v_sync_strt = v_disp + var->lower_margin;
849 v_sync_end = v_sync_strt + var->vsync_len;
850 v_total = v_sync_end + var->upper_margin;
852 #ifdef CONFIG_FB_ATY_GENERIC_LCD
853 if (par->lcd_table != 0) {
854 if(!M64_HAS(LT_LCD_REGS)) {
855 u32 lcd_index = aty_ld_le32(LCD_INDEX, par);
856 crtc->lcd_index = lcd_index &
857 ~(LCD_INDEX_MASK | LCD_DISPLAY_DIS | LCD_SRC_SEL | CRTC2_DISPLAY_DIS);
858 aty_st_le32(LCD_INDEX, lcd_index, par);
861 if (!M64_HAS(MOBIL_BUS))
862 crtc->lcd_index |= CRTC2_DISPLAY_DIS;
864 crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par) | 0x4000;
865 crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par) & ~CRTC_RW_SELECT;
867 crtc->lcd_gen_cntl &=
868 ~(HORZ_DIVBY2_EN | DIS_HOR_CRT_DIVBY2 | TVCLK_PM_EN |
869 /*VCLK_DAC_PM_EN | USE_SHADOWED_VEND |*/
870 USE_SHADOWED_ROWCUR | SHADOW_EN | SHADOW_RW_EN);
871 crtc->lcd_gen_cntl |= DONT_SHADOW_VPAR | LOCK_8DOT;
873 if((crtc->lcd_gen_cntl & LCD_ON) &&
874 ((xres > par->lcd_width) || (yres > par->lcd_height))) {
875 /* We cannot display the mode on the LCD. If the CRT is enabled
876 we can turn off the LCD.
877 If the CRT is off, it isn't a good idea to switch it on; we don't
878 know if one is connected. So it's better to fail then.
880 if (crtc->lcd_gen_cntl & CRT_ON) {
881 if (!(var->activate & FB_ACTIVATE_TEST))
882 PRINTKI("Disable LCD panel, because video mode does not fit.\n");
883 crtc->lcd_gen_cntl &= ~LCD_ON;
884 /*aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl, par);*/
886 if (!(var->activate & FB_ACTIVATE_TEST))
887 PRINTKE("Video mode exceeds size of LCD panel.\nConnect this computer to a conventional monitor if you really need this mode.\n");
893 if ((par->lcd_table != 0) && (crtc->lcd_gen_cntl & LCD_ON)) {
895 /* bpp -> bytespp, 1,4 -> 0; 8 -> 2; 15,16 -> 1; 24 -> 6; 32 -> 5
896 const u8 DFP_h_sync_dly_LT[] = { 0, 2, 1, 6, 5 };
897 const u8 ADD_to_strt_wid_and_dly_LT_DAC[] = { 0, 5, 6, 9, 9, 12, 12 }; */
899 vmode &= ~(FB_VMODE_DOUBLE | FB_VMODE_INTERLACED);
901 /* This is horror! When we simulate, say 640x480 on an 800x600
902 LCD monitor, the CRTC should be programmed 800x600 values for
903 the non visible part, but 640x480 for the visible part.
904 This code has been tested on a laptop with it's 1400x1050 LCD
905 monitor and a conventional monitor both switched on.
906 Tested modes: 1280x1024, 1152x864, 1024x768, 800x600,
907 works with little glitches also with DOUBLESCAN modes
909 if (yres < par->lcd_height) {
910 VScan = par->lcd_height / yres;
913 vmode |= FB_VMODE_DOUBLE;
917 h_sync_strt = h_disp + par->lcd_right_margin;
918 h_sync_end = h_sync_strt + par->lcd_hsync_len;
919 h_sync_dly = /*DFP_h_sync_dly[ ( bpp + 1 ) / 3 ]; */par->lcd_hsync_dly;
920 h_total = h_disp + par->lcd_hblank_len;
922 v_sync_strt = v_disp + par->lcd_lower_margin / VScan;
923 v_sync_end = v_sync_strt + par->lcd_vsync_len / VScan;
924 v_total = v_disp + par->lcd_vblank_len / VScan;
926 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
928 h_disp = (h_disp >> 3) - 1;
929 h_sync_strt = (h_sync_strt >> 3) - 1;
930 h_sync_end = (h_sync_end >> 3) - 1;
931 h_total = (h_total >> 3) - 1;
932 h_sync_wid = h_sync_end - h_sync_strt;
934 FAIL_MAX("h_disp too large", h_disp, 0xff);
935 FAIL_MAX("h_sync_strt too large", h_sync_strt, 0x1ff);
936 /*FAIL_MAX("h_sync_wid too large", h_sync_wid, 0x1f);*/
937 if(h_sync_wid > 0x1f)
939 FAIL_MAX("h_total too large", h_total, 0x1ff);
941 if (vmode & FB_VMODE_DOUBLE) {
949 #ifdef CONFIG_FB_ATY_GENERIC_LCD
950 if ((par->lcd_table != 0) && (crtc->lcd_gen_cntl & LCD_ON))
951 vdisplay = par->lcd_height;
958 v_sync_wid = v_sync_end - v_sync_strt;
960 FAIL_MAX("v_disp too large", v_disp, 0x7ff);
961 FAIL_MAX("v_sync_stsrt too large", v_sync_strt, 0x7ff);
962 /*FAIL_MAX("v_sync_wid too large", v_sync_wid, 0x1f);*/
963 if(v_sync_wid > 0x1f)
965 FAIL_MAX("v_total too large", v_total, 0x7ff);
967 c_sync = sync & FB_SYNC_COMP_HIGH_ACT ? CRTC_CSYNC_EN : 0;
972 crtc->xoffset = xoffset;
973 crtc->yoffset = yoffset;
975 crtc->off_pitch = ((yoffset*vxres+xoffset)*bpp/64) | (vxres<<19);
976 crtc->vline_crnt_vline = 0;
978 crtc->h_tot_disp = h_total | (h_disp<<16);
979 crtc->h_sync_strt_wid = (h_sync_strt & 0xff) | (h_sync_dly<<8) |
980 ((h_sync_strt & 0x100)<<4) | (h_sync_wid<<16) | (h_sync_pol<<21);
981 crtc->v_tot_disp = v_total | (v_disp<<16);
982 crtc->v_sync_strt_wid = v_sync_strt | (v_sync_wid<<16) | (v_sync_pol<<21);
984 /* crtc->gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par) & CRTC_PRESERVED_MASK; */
985 crtc->gen_cntl = CRTC_EXT_DISP_EN | CRTC_EN | pix_width | c_sync;
986 crtc->gen_cntl |= CRTC_VGA_LINEAR;
988 /* Enable doublescan mode if requested */
989 if (vmode & FB_VMODE_DOUBLE)
990 crtc->gen_cntl |= CRTC_DBL_SCAN_EN;
991 /* Enable interlaced mode if requested */
992 if (vmode & FB_VMODE_INTERLACED)
993 crtc->gen_cntl |= CRTC_INTERLACE_EN;
994 #ifdef CONFIG_FB_ATY_GENERIC_LCD
995 if (par->lcd_table != 0) {
997 if(vmode & FB_VMODE_DOUBLE)
999 crtc->gen_cntl &= ~(CRTC2_EN | CRTC2_PIX_WIDTH);
1000 crtc->lcd_gen_cntl &= ~(HORZ_DIVBY2_EN | DIS_HOR_CRT_DIVBY2 |
1001 /*TVCLK_PM_EN | VCLK_DAC_PM_EN |*/
1002 USE_SHADOWED_VEND | USE_SHADOWED_ROWCUR | SHADOW_EN | SHADOW_RW_EN);
1003 crtc->lcd_gen_cntl |= (DONT_SHADOW_VPAR/* | LOCK_8DOT*/);
1005 /* MOBILITY M1 tested, FIXME: LT */
1006 crtc->horz_stretching = aty_ld_lcd(HORZ_STRETCHING, par);
1007 if (!M64_HAS(LT_LCD_REGS))
1008 crtc->ext_vert_stretch = aty_ld_lcd(EXT_VERT_STRETCH, par) &
1009 ~(AUTO_VERT_RATIO | VERT_STRETCH_MODE | VERT_STRETCH_RATIO3);
1011 crtc->horz_stretching &=
1012 ~(HORZ_STRETCH_RATIO | HORZ_STRETCH_LOOP | AUTO_HORZ_RATIO |
1013 HORZ_STRETCH_MODE | HORZ_STRETCH_EN);
1014 if (xres < par->lcd_width && crtc->lcd_gen_cntl & LCD_ON) {
1017 * The horizontal blender misbehaves when HDisplay is less than a
1018 * a certain threshold (440 for a 1024-wide panel). It doesn't
1019 * stretch such modes enough. Use pixel replication instead of
1020 * blending to stretch modes that can be made to exactly fit the
1021 * panel width. The undocumented "NoLCDBlend" option allows the
1022 * pixel-replicated mode to be slightly wider or narrower than the
1023 * panel width. It also causes a mode that is exactly half as wide
1024 * as the panel to be pixel-replicated, rather than blended.
1026 int HDisplay = xres & ~7;
1027 int nStretch = par->lcd_width / HDisplay;
1028 int Remainder = par->lcd_width % HDisplay;
1030 if ((!Remainder && ((nStretch > 2))) ||
1031 (((HDisplay * 16) / par->lcd_width) < 7)) {
1032 static const char StretchLoops[] = {10, 12, 13, 15, 16};
1033 int horz_stretch_loop = -1, BestRemainder;
1034 int Numerator = HDisplay, Denominator = par->lcd_width;
1036 ATIReduceRatio(&Numerator, &Denominator);
1038 BestRemainder = (Numerator * 16) / Denominator;
1039 while (--Index >= 0) {
1040 Remainder = ((Denominator - Numerator) * StretchLoops[Index]) %
1042 if (Remainder < BestRemainder) {
1043 horz_stretch_loop = Index;
1044 if (!(BestRemainder = Remainder))
1049 if ((horz_stretch_loop >= 0) && !BestRemainder) {
1050 int horz_stretch_ratio = 0, Accumulator = 0;
1051 int reuse_previous = 1;
1053 Index = StretchLoops[horz_stretch_loop];
1055 while (--Index >= 0) {
1056 if (Accumulator > 0)
1057 horz_stretch_ratio |= reuse_previous;
1059 Accumulator += Denominator;
1060 Accumulator -= Numerator;
1061 reuse_previous <<= 1;
1064 crtc->horz_stretching |= (HORZ_STRETCH_EN |
1065 ((horz_stretch_loop & HORZ_STRETCH_LOOP) << 16) |
1066 (horz_stretch_ratio & HORZ_STRETCH_RATIO));
1067 break; /* Out of the do { ... } while (0) */
1071 crtc->horz_stretching |= (HORZ_STRETCH_MODE | HORZ_STRETCH_EN |
1072 (((HDisplay * (HORZ_STRETCH_BLEND + 1)) / par->lcd_width) & HORZ_STRETCH_BLEND));
1076 if (vdisplay < par->lcd_height && crtc->lcd_gen_cntl & LCD_ON) {
1077 crtc->vert_stretching = (VERT_STRETCH_USE0 | VERT_STRETCH_EN |
1078 (((vdisplay * (VERT_STRETCH_RATIO0 + 1)) / par->lcd_height) & VERT_STRETCH_RATIO0));
1080 if (!M64_HAS(LT_LCD_REGS) &&
1081 xres <= (M64_HAS(MOBIL_BUS)?1024:800))
1082 crtc->ext_vert_stretch |= VERT_STRETCH_MODE;
1085 * Don't use vertical blending if the mode is too wide or not
1086 * vertically stretched.
1088 crtc->vert_stretching = 0;
1090 /* copy to shadow crtc */
1091 crtc->shadow_h_tot_disp = crtc->h_tot_disp;
1092 crtc->shadow_h_sync_strt_wid = crtc->h_sync_strt_wid;
1093 crtc->shadow_v_tot_disp = crtc->v_tot_disp;
1094 crtc->shadow_v_sync_strt_wid = crtc->v_sync_strt_wid;
1096 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
1098 if (M64_HAS(MAGIC_FIFO)) {
1099 /* FIXME: display FIFO low watermark values */
1100 crtc->gen_cntl |= (aty_ld_le32(CRTC_GEN_CNTL, par) & CRTC_FIFO_LWM);
1102 crtc->dp_pix_width = dp_pix_width;
1103 crtc->dp_chain_mask = dp_chain_mask;
1108 static int aty_crtc_to_var(const struct crtc *crtc, struct fb_var_screeninfo *var)
1110 u32 xres, yres, bpp, left, right, upper, lower, hslen, vslen, sync;
1111 u32 h_total, h_disp, h_sync_strt, h_sync_dly, h_sync_wid,
1113 u32 v_total, v_disp, v_sync_strt, v_sync_wid, v_sync_pol, c_sync;
1115 u32 double_scan, interlace;
1118 h_total = crtc->h_tot_disp & 0x1ff;
1119 h_disp = (crtc->h_tot_disp >> 16) & 0xff;
1120 h_sync_strt = (crtc->h_sync_strt_wid & 0xff) | ((crtc->h_sync_strt_wid >> 4) & 0x100);
1121 h_sync_dly = (crtc->h_sync_strt_wid >> 8) & 0x7;
1122 h_sync_wid = (crtc->h_sync_strt_wid >> 16) & 0x1f;
1123 h_sync_pol = (crtc->h_sync_strt_wid >> 21) & 0x1;
1124 v_total = crtc->v_tot_disp & 0x7ff;
1125 v_disp = (crtc->v_tot_disp >> 16) & 0x7ff;
1126 v_sync_strt = crtc->v_sync_strt_wid & 0x7ff;
1127 v_sync_wid = (crtc->v_sync_strt_wid >> 16) & 0x1f;
1128 v_sync_pol = (crtc->v_sync_strt_wid >> 21) & 0x1;
1129 c_sync = crtc->gen_cntl & CRTC_CSYNC_EN ? 1 : 0;
1130 pix_width = crtc->gen_cntl & CRTC_PIX_WIDTH_MASK;
1131 double_scan = crtc->gen_cntl & CRTC_DBL_SCAN_EN;
1132 interlace = crtc->gen_cntl & CRTC_INTERLACE_EN;
1135 xres = (h_disp + 1) * 8;
1137 left = (h_total - h_sync_strt - h_sync_wid) * 8 - h_sync_dly;
1138 right = (h_sync_strt - h_disp) * 8 + h_sync_dly;
1139 hslen = h_sync_wid * 8;
1140 upper = v_total - v_sync_strt - v_sync_wid;
1141 lower = v_sync_strt - v_disp;
1143 sync = (h_sync_pol ? 0 : FB_SYNC_HOR_HIGH_ACT) |
1144 (v_sync_pol ? 0 : FB_SYNC_VERT_HIGH_ACT) |
1145 (c_sync ? FB_SYNC_COMP_HIGH_ACT : 0);
1147 switch (pix_width) {
1149 case CRTC_PIX_WIDTH_4BPP:
1151 var->red.offset = 0;
1152 var->red.length = 8;
1153 var->green.offset = 0;
1154 var->green.length = 8;
1155 var->blue.offset = 0;
1156 var->blue.length = 8;
1157 var->transp.offset = 0;
1158 var->transp.length = 0;
1161 case CRTC_PIX_WIDTH_8BPP:
1163 var->red.offset = 0;
1164 var->red.length = 8;
1165 var->green.offset = 0;
1166 var->green.length = 8;
1167 var->blue.offset = 0;
1168 var->blue.length = 8;
1169 var->transp.offset = 0;
1170 var->transp.length = 0;
1172 case CRTC_PIX_WIDTH_15BPP: /* RGB 555 */
1174 var->red.offset = 10;
1175 var->red.length = 5;
1176 var->green.offset = 5;
1177 var->green.length = 5;
1178 var->blue.offset = 0;
1179 var->blue.length = 5;
1180 var->transp.offset = 0;
1181 var->transp.length = 0;
1183 case CRTC_PIX_WIDTH_16BPP: /* RGB 565 */
1185 var->red.offset = 11;
1186 var->red.length = 5;
1187 var->green.offset = 5;
1188 var->green.length = 6;
1189 var->blue.offset = 0;
1190 var->blue.length = 5;
1191 var->transp.offset = 0;
1192 var->transp.length = 0;
1194 case CRTC_PIX_WIDTH_24BPP: /* RGB 888 */
1196 var->red.offset = 16;
1197 var->red.length = 8;
1198 var->green.offset = 8;
1199 var->green.length = 8;
1200 var->blue.offset = 0;
1201 var->blue.length = 8;
1202 var->transp.offset = 0;
1203 var->transp.length = 0;
1205 case CRTC_PIX_WIDTH_32BPP: /* ARGB 8888 */
1207 var->red.offset = 16;
1208 var->red.length = 8;
1209 var->green.offset = 8;
1210 var->green.length = 8;
1211 var->blue.offset = 0;
1212 var->blue.length = 8;
1213 var->transp.offset = 24;
1214 var->transp.length = 8;
1217 PRINTKE("Invalid pixel width\n");
1224 var->xres_virtual = crtc->vxres;
1225 var->yres_virtual = crtc->vyres;
1226 var->bits_per_pixel = bpp;
1227 var->left_margin = left;
1228 var->right_margin = right;
1229 var->upper_margin = upper;
1230 var->lower_margin = lower;
1231 var->hsync_len = hslen;
1232 var->vsync_len = vslen;
1234 var->vmode = FB_VMODE_NONINTERLACED;
1235 /* In double scan mode, the vertical parameters are doubled, so we need to
1236 half them to get the right values.
1237 In interlaced mode the values are already correct, so no correction is
1241 var->vmode = FB_VMODE_INTERLACED;
1244 var->vmode = FB_VMODE_DOUBLE;
1246 var->upper_margin>>=1;
1247 var->lower_margin>>=1;
1254 /* ------------------------------------------------------------------------- */
1256 static int atyfb_set_par(struct fb_info *info)
1258 struct atyfb_par *par = (struct atyfb_par *) info->par;
1259 struct fb_var_screeninfo *var = &info->var;
1263 struct fb_var_screeninfo debug;
1269 if ((err = aty_var_to_crtc(info, var, &par->crtc)))
1272 pixclock = atyfb_get_pixclock(var, par);
1274 if (pixclock == 0) {
1275 PRINTKE("Invalid pixclock\n");
1278 if((err = par->pll_ops->var_to_pll(info, pixclock, var->bits_per_pixel, &par->pll)))
1282 par->accel_flags = var->accel_flags; /* hack */
1284 if (var->accel_flags) {
1285 info->fbops->fb_sync = atyfb_sync;
1286 info->flags &= ~FBINFO_HWACCEL_DISABLED;
1288 info->fbops->fb_sync = NULL;
1289 info->flags |= FBINFO_HWACCEL_DISABLED;
1292 if (par->blitter_may_be_busy)
1295 aty_set_crtc(par, &par->crtc);
1296 par->dac_ops->set_dac(info, &par->pll, var->bits_per_pixel, par->accel_flags);
1297 par->pll_ops->set_pll(info, &par->pll);
1300 if(par->pll_ops && par->pll_ops->pll_to_var)
1301 pixclock_in_ps = par->pll_ops->pll_to_var(info, &(par->pll));
1305 if(0 == pixclock_in_ps) {
1306 PRINTKE("ALERT ops->pll_to_var get 0\n");
1307 pixclock_in_ps = pixclock;
1310 memset(&debug, 0, sizeof(debug));
1311 if(!aty_crtc_to_var(&(par->crtc), &debug)) {
1312 u32 hSync, vRefresh;
1313 u32 h_disp, h_sync_strt, h_sync_end, h_total;
1314 u32 v_disp, v_sync_strt, v_sync_end, v_total;
1316 h_disp = debug.xres;
1317 h_sync_strt = h_disp + debug.right_margin;
1318 h_sync_end = h_sync_strt + debug.hsync_len;
1319 h_total = h_sync_end + debug.left_margin;
1320 v_disp = debug.yres;
1321 v_sync_strt = v_disp + debug.lower_margin;
1322 v_sync_end = v_sync_strt + debug.vsync_len;
1323 v_total = v_sync_end + debug.upper_margin;
1325 hSync = 1000000000 / (pixclock_in_ps * h_total);
1326 vRefresh = (hSync * 1000) / v_total;
1327 if (par->crtc.gen_cntl & CRTC_INTERLACE_EN)
1329 if (par->crtc.gen_cntl & CRTC_DBL_SCAN_EN)
1332 DPRINTK("atyfb_set_par\n");
1333 DPRINTK(" Set Visible Mode to %ix%i-%i\n", var->xres, var->yres, var->bits_per_pixel);
1334 DPRINTK(" Virtual resolution %ix%i, pixclock_in_ps %i (calculated %i)\n",
1335 var->xres_virtual, var->yres_virtual, pixclock, pixclock_in_ps);
1336 DPRINTK(" Dot clock: %i MHz\n", 1000000 / pixclock_in_ps);
1337 DPRINTK(" Horizontal sync: %i kHz\n", hSync);
1338 DPRINTK(" Vertical refresh: %i Hz\n", vRefresh);
1339 DPRINTK(" x style: %i.%03i %i %i %i %i %i %i %i %i\n",
1340 1000000 / pixclock_in_ps, 1000000 % pixclock_in_ps,
1341 h_disp, h_sync_strt, h_sync_end, h_total,
1342 v_disp, v_sync_strt, v_sync_end, v_total);
1343 DPRINTK(" fb style: %i %i %i %i %i %i %i %i %i\n",
1345 debug.left_margin, h_disp, debug.right_margin, debug.hsync_len,
1346 debug.upper_margin, v_disp, debug.lower_margin, debug.vsync_len);
1350 if (!M64_HAS(INTEGRATED)) {
1351 /* Don't forget MEM_CNTL */
1352 tmp = aty_ld_le32(MEM_CNTL, par) & 0xf0ffffff;
1353 switch (var->bits_per_pixel) {
1364 aty_st_le32(MEM_CNTL, tmp, par);
1366 tmp = aty_ld_le32(MEM_CNTL, par) & 0xf00fffff;
1367 if (!M64_HAS(MAGIC_POSTDIV))
1368 tmp |= par->mem_refresh_rate << 20;
1369 switch (var->bits_per_pixel) {
1381 if (M64_HAS(CT_BUS)) {
1382 aty_st_le32(DAC_CNTL, 0x87010184, par);
1383 aty_st_le32(BUS_CNTL, 0x680000f9, par);
1384 } else if (M64_HAS(VT_BUS)) {
1385 aty_st_le32(DAC_CNTL, 0x87010184, par);
1386 aty_st_le32(BUS_CNTL, 0x680000f9, par);
1387 } else if (M64_HAS(MOBIL_BUS)) {
1388 aty_st_le32(DAC_CNTL, 0x80010102, par);
1389 aty_st_le32(BUS_CNTL, 0x7b33a040 | (par->aux_start ? BUS_APER_REG_DIS : 0), par);
1392 aty_st_le32(DAC_CNTL, 0x86010102, par);
1393 aty_st_le32(BUS_CNTL, 0x7b23a040 | (par->aux_start ? BUS_APER_REG_DIS : 0), par);
1394 aty_st_le32(EXT_MEM_CNTL, aty_ld_le32(EXT_MEM_CNTL, par) | 0x5000001, par);
1396 aty_st_le32(MEM_CNTL, tmp, par);
1398 aty_st_8(DAC_MASK, 0xff, par);
1400 info->fix.line_length = var->xres_virtual * var->bits_per_pixel/8;
1401 info->fix.visual = var->bits_per_pixel <= 8 ?
1402 FB_VISUAL_PSEUDOCOLOR : FB_VISUAL_DIRECTCOLOR;
1404 /* Initialize the graphics engine */
1405 if (par->accel_flags & FB_ACCELF_TEXT)
1406 aty_init_engine(par, info);
1408 #ifdef CONFIG_BOOTX_TEXT
1409 btext_update_display(info->fix.smem_start,
1410 (((par->crtc.h_tot_disp >> 16) & 0xff) + 1) * 8,
1411 ((par->crtc.v_tot_disp >> 16) & 0x7ff) + 1,
1412 var->bits_per_pixel,
1413 par->crtc.vxres * var->bits_per_pixel / 8);
1414 #endif /* CONFIG_BOOTX_TEXT */
1416 /* switch to accelerator mode */
1417 if (!(par->crtc.gen_cntl & CRTC_EXT_DISP_EN))
1418 aty_st_le32(CRTC_GEN_CNTL, par->crtc.gen_cntl | CRTC_EXT_DISP_EN, par);
1422 /* dump non shadow CRTC, pll, LCD registers */
1425 /* CRTC registers */
1427 printk("debug atyfb: Mach64 non-shadow register values:");
1428 for (i = 0; i < 256; i = i+4) {
1429 if(i%16 == 0) printk("\ndebug atyfb: 0x%04X: ", base + i);
1430 printk(" %08X", aty_ld_le32(i, par));
1434 #ifdef CONFIG_FB_ATY_CT
1437 printk("debug atyfb: Mach64 PLL register values:");
1438 for (i = 0; i < 64; i++) {
1439 if(i%16 == 0) printk("\ndebug atyfb: 0x%02X: ", base + i);
1440 if(i%4 == 0) printk(" ");
1441 printk("%02X", aty_ld_pll_ct(i, par));
1444 #endif /* CONFIG_FB_ATY_CT */
1446 #ifdef CONFIG_FB_ATY_GENERIC_LCD
1447 if (par->lcd_table != 0) {
1450 printk("debug atyfb: LCD register values:");
1451 if(M64_HAS(LT_LCD_REGS)) {
1452 for(i = 0; i <= POWER_MANAGEMENT; i++) {
1453 if(i == EXT_VERT_STRETCH)
1455 printk("\ndebug atyfb: 0x%04X: ", lt_lcd_regs[i]);
1456 printk(" %08X", aty_ld_lcd(i, par));
1460 for (i = 0; i < 64; i++) {
1461 if(i%4 == 0) printk("\ndebug atyfb: 0x%02X: ", base + i);
1462 printk(" %08X", aty_ld_lcd(i, par));
1467 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
1473 static int atyfb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
1475 struct atyfb_par *par = (struct atyfb_par *) info->par;
1481 memcpy(&pll, &(par->pll), sizeof(pll));
1483 if((err = aty_var_to_crtc(info, var, &crtc)))
1486 pixclock = atyfb_get_pixclock(var, par);
1488 if (pixclock == 0) {
1489 if (!(var->activate & FB_ACTIVATE_TEST))
1490 PRINTKE("Invalid pixclock\n");
1493 if((err = par->pll_ops->var_to_pll(info, pixclock, var->bits_per_pixel, &pll)))
1497 if (var->accel_flags & FB_ACCELF_TEXT)
1498 info->var.accel_flags = FB_ACCELF_TEXT;
1500 info->var.accel_flags = 0;
1502 #if 0 /* fbmon is not done. uncomment for 2.5.x -brad */
1503 if (!fbmon_valid_timings(pixclock, htotal, vtotal, info))
1506 aty_crtc_to_var(&crtc, var);
1507 var->pixclock = par->pll_ops->pll_to_var(info, &pll);
1511 static void set_off_pitch(struct atyfb_par *par, const struct fb_info *info)
1513 u32 xoffset = info->var.xoffset;
1514 u32 yoffset = info->var.yoffset;
1515 u32 vxres = par->crtc.vxres;
1516 u32 bpp = info->var.bits_per_pixel;
1518 par->crtc.off_pitch = ((yoffset * vxres + xoffset) * bpp / 64) | (vxres << 19);
1523 * Open/Release the frame buffer device
1526 static int atyfb_open(struct fb_info *info, int user)
1528 struct atyfb_par *par = (struct atyfb_par *) info->par;
1539 static irqreturn_t aty_irq(int irq, void *dev_id, struct pt_regs *fp)
1541 struct atyfb_par *par = dev_id;
1545 spin_lock(&par->int_lock);
1547 int_cntl = aty_ld_le32(CRTC_INT_CNTL, par);
1549 if (int_cntl & CRTC_VBLANK_INT) {
1550 /* clear interrupt */
1551 aty_st_le32(CRTC_INT_CNTL, (int_cntl & CRTC_INT_EN_MASK) | CRTC_VBLANK_INT_AK, par);
1552 par->vblank.count++;
1553 if (par->vblank.pan_display) {
1554 par->vblank.pan_display = 0;
1555 aty_st_le32(CRTC_OFF_PITCH, par->crtc.off_pitch, par);
1557 wake_up_interruptible(&par->vblank.wait);
1561 spin_unlock(&par->int_lock);
1563 return IRQ_RETVAL(handled);
1566 static int aty_enable_irq(struct atyfb_par *par, int reenable)
1570 if (!test_and_set_bit(0, &par->irq_flags)) {
1571 if (request_irq(par->irq, aty_irq, SA_SHIRQ, "atyfb", par)) {
1572 clear_bit(0, &par->irq_flags);
1575 spin_lock_irq(&par->int_lock);
1576 int_cntl = aty_ld_le32(CRTC_INT_CNTL, par) & CRTC_INT_EN_MASK;
1577 /* clear interrupt */
1578 aty_st_le32(CRTC_INT_CNTL, int_cntl | CRTC_VBLANK_INT_AK, par);
1579 /* enable interrupt */
1580 aty_st_le32(CRTC_INT_CNTL, int_cntl | CRTC_VBLANK_INT_EN, par);
1581 spin_unlock_irq(&par->int_lock);
1582 } else if (reenable) {
1583 spin_lock_irq(&par->int_lock);
1584 int_cntl = aty_ld_le32(CRTC_INT_CNTL, par) & CRTC_INT_EN_MASK;
1585 if (!(int_cntl & CRTC_VBLANK_INT_EN)) {
1586 printk("atyfb: someone disabled IRQ [%08x]\n", int_cntl);
1587 /* re-enable interrupt */
1588 aty_st_le32(CRTC_INT_CNTL, int_cntl | CRTC_VBLANK_INT_EN, par );
1590 spin_unlock_irq(&par->int_lock);
1596 static int aty_disable_irq(struct atyfb_par *par)
1600 if (test_and_clear_bit(0, &par->irq_flags)) {
1601 if (par->vblank.pan_display) {
1602 par->vblank.pan_display = 0;
1603 aty_st_le32(CRTC_OFF_PITCH, par->crtc.off_pitch, par);
1605 spin_lock_irq(&par->int_lock);
1606 int_cntl = aty_ld_le32(CRTC_INT_CNTL, par) & CRTC_INT_EN_MASK;
1607 /* disable interrupt */
1608 aty_st_le32(CRTC_INT_CNTL, int_cntl & ~CRTC_VBLANK_INT_EN, par );
1609 spin_unlock_irq(&par->int_lock);
1610 free_irq(par->irq, par);
1616 static int atyfb_release(struct fb_info *info, int user)
1618 struct atyfb_par *par = (struct atyfb_par *) info->par;
1625 int was_mmaped = par->mmaped;
1630 struct fb_var_screeninfo var;
1632 /* Now reset the default display config, we have no
1633 * idea what the program(s) which mmap'd the chip did
1634 * to the configuration, nor whether it restored it
1639 var.accel_flags &= ~FB_ACCELF_TEXT;
1641 var.accel_flags |= FB_ACCELF_TEXT;
1642 if (var.yres == var.yres_virtual) {
1643 u32 videoram = (info->fix.smem_len - (PAGE_SIZE << 2));
1644 var.yres_virtual = ((videoram * 8) / var.bits_per_pixel) / var.xres_virtual;
1645 if (var.yres_virtual < var.yres)
1646 var.yres_virtual = var.yres;
1650 aty_disable_irq(par);
1657 * Pan or Wrap the Display
1659 * This call looks only at xoffset, yoffset and the FB_VMODE_YWRAP flag
1662 static int atyfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
1664 struct atyfb_par *par = (struct atyfb_par *) info->par;
1665 u32 xres, yres, xoffset, yoffset;
1667 xres = (((par->crtc.h_tot_disp >> 16) & 0xff) + 1) * 8;
1668 yres = ((par->crtc.v_tot_disp >> 16) & 0x7ff) + 1;
1669 if (par->crtc.gen_cntl & CRTC_DBL_SCAN_EN)
1671 xoffset = (var->xoffset + 7) & ~7;
1672 yoffset = var->yoffset;
1673 if (xoffset + xres > par->crtc.vxres || yoffset + yres > par->crtc.vyres)
1675 info->var.xoffset = xoffset;
1676 info->var.yoffset = yoffset;
1680 set_off_pitch(par, info);
1681 if ((var->activate & FB_ACTIVATE_VBL) && !aty_enable_irq(par, 0)) {
1682 par->vblank.pan_display = 1;
1684 par->vblank.pan_display = 0;
1685 aty_st_le32(CRTC_OFF_PITCH, par->crtc.off_pitch, par);
1691 static int aty_waitforvblank(struct atyfb_par *par, u32 crtc)
1693 struct aty_interrupt *vbl;
1705 ret = aty_enable_irq(par, 0);
1710 ret = wait_event_interruptible_timeout(vbl->wait, count != vbl->count, HZ/10);
1715 aty_enable_irq(par, 1);
1724 #define ATYIO_CLKR 0x41545900 /* ATY\00 */
1725 #define ATYIO_CLKW 0x41545901 /* ATY\01 */
1731 u8 mclk_post_div; /* 1,2,3,4,8 */
1732 u8 mclk_fb_mult; /* 2 or 4 */
1733 u8 xclk_post_div; /* 1,2,3,4,8 */
1735 u8 vclk_post_div; /* 1,2,3,4,6,8,12 */
1736 u32 dsp_xclks_per_row; /* 0-16383 */
1737 u32 dsp_loop_latency; /* 0-15 */
1738 u32 dsp_precision; /* 0-7 */
1739 u32 dsp_on; /* 0-2047 */
1740 u32 dsp_off; /* 0-2047 */
1743 #define ATYIO_FEATR 0x41545902 /* ATY\02 */
1744 #define ATYIO_FEATW 0x41545903 /* ATY\03 */
1747 #ifndef FBIO_WAITFORVSYNC
1748 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
1751 static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
1753 struct atyfb_par *par = (struct atyfb_par *) info->par;
1755 struct fbtype fbtyp;
1761 fbtyp.fb_type = FBTYPE_PCI_GENERIC;
1762 fbtyp.fb_width = par->crtc.vxres;
1763 fbtyp.fb_height = par->crtc.vyres;
1764 fbtyp.fb_depth = info->var.bits_per_pixel;
1765 fbtyp.fb_cmsize = info->cmap.len;
1766 fbtyp.fb_size = info->fix.smem_len;
1767 if (copy_to_user((struct fbtype __user *) arg, &fbtyp, sizeof(fbtyp)))
1770 #endif /* __sparc__ */
1772 case FBIO_WAITFORVSYNC:
1776 if (get_user(crtc, (__u32 __user *) arg))
1779 return aty_waitforvblank(par, crtc);
1783 #if defined(DEBUG) && defined(CONFIG_FB_ATY_CT)
1785 if (M64_HAS(INTEGRATED)) {
1787 union aty_pll *pll = &(par->pll);
1788 u32 dsp_config = pll->ct.dsp_config;
1789 u32 dsp_on_off = pll->ct.dsp_on_off;
1790 clk.ref_clk_per = par->ref_clk_per;
1791 clk.pll_ref_div = pll->ct.pll_ref_div;
1792 clk.mclk_fb_div = pll->ct.mclk_fb_div;
1793 clk.mclk_post_div = pll->ct.mclk_post_div_real;
1794 clk.mclk_fb_mult = pll->ct.mclk_fb_mult;
1795 clk.xclk_post_div = pll->ct.xclk_post_div_real;
1796 clk.vclk_fb_div = pll->ct.vclk_fb_div;
1797 clk.vclk_post_div = pll->ct.vclk_post_div_real;
1798 clk.dsp_xclks_per_row = dsp_config & 0x3fff;
1799 clk.dsp_loop_latency = (dsp_config >> 16) & 0xf;
1800 clk.dsp_precision = (dsp_config >> 20) & 7;
1801 clk.dsp_off = dsp_on_off & 0x7ff;
1802 clk.dsp_on = (dsp_on_off >> 16) & 0x7ff;
1803 if (copy_to_user((struct atyclk __user *) arg, &clk,
1810 if (M64_HAS(INTEGRATED)) {
1812 union aty_pll *pll = &(par->pll);
1813 if (copy_from_user(&clk, (struct atyclk __user *) arg, sizeof(clk)))
1815 par->ref_clk_per = clk.ref_clk_per;
1816 pll->ct.pll_ref_div = clk.pll_ref_div;
1817 pll->ct.mclk_fb_div = clk.mclk_fb_div;
1818 pll->ct.mclk_post_div_real = clk.mclk_post_div;
1819 pll->ct.mclk_fb_mult = clk.mclk_fb_mult;
1820 pll->ct.xclk_post_div_real = clk.xclk_post_div;
1821 pll->ct.vclk_fb_div = clk.vclk_fb_div;
1822 pll->ct.vclk_post_div_real = clk.vclk_post_div;
1823 pll->ct.dsp_config = (clk.dsp_xclks_per_row & 0x3fff) |
1824 ((clk.dsp_loop_latency & 0xf)<<16)| ((clk.dsp_precision & 7)<<20);
1825 pll->ct.dsp_on_off = (clk.dsp_off & 0x7ff) | ((clk.dsp_on & 0x7ff)<<16);
1826 /*aty_calc_pll_ct(info, &pll->ct);*/
1827 aty_set_pll_ct(info, pll);
1832 if (get_user(par->features, (u32 __user *) arg))
1836 if (put_user(par->features, (u32 __user *) arg))
1839 #endif /* DEBUG && CONFIG_FB_ATY_CT */
1846 static int atyfb_sync(struct fb_info *info)
1848 struct atyfb_par *par = (struct atyfb_par *) info->par;
1850 if (par->blitter_may_be_busy)
1856 static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
1858 struct atyfb_par *par = (struct atyfb_par *) info->par;
1859 unsigned int size, page, map_size = 0;
1860 unsigned long map_offset = 0;
1867 if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT))
1870 off = vma->vm_pgoff << PAGE_SHIFT;
1871 size = vma->vm_end - vma->vm_start;
1873 /* To stop the swapper from even considering these pages. */
1874 vma->vm_flags |= (VM_IO | VM_RESERVED);
1876 if (((vma->vm_pgoff == 0) && (size == info->fix.smem_len)) ||
1877 ((off == info->fix.smem_len) && (size == PAGE_SIZE)))
1878 off += 0x8000000000000000UL;
1880 vma->vm_pgoff = off >> PAGE_SHIFT; /* propagate off changes */
1882 /* Each page, see which map applies */
1883 for (page = 0; page < size;) {
1885 for (i = 0; par->mmap_map[i].size; i++) {
1886 unsigned long start = par->mmap_map[i].voff;
1887 unsigned long end = start + par->mmap_map[i].size;
1888 unsigned long offset = off + page;
1895 map_size = par->mmap_map[i].size - (offset - start);
1897 par->mmap_map[i].poff + (offset - start);
1904 if (page + map_size > size)
1905 map_size = size - page;
1907 pgprot_val(vma->vm_page_prot) &=
1908 ~(par->mmap_map[i].prot_mask);
1909 pgprot_val(vma->vm_page_prot) |= par->mmap_map[i].prot_flag;
1911 if (remap_pfn_range(vma, vma->vm_start + page,
1912 map_offset >> PAGE_SHIFT, map_size, vma->vm_page_prot))
1933 static void atyfb_save_palette(struct atyfb_par *par, int enter)
1937 for (i = 0; i < 256; i++) {
1938 tmp = aty_ld_8(DAC_CNTL, par) & 0xfc;
1939 if (M64_HAS(EXTRA_BRIGHT))
1941 aty_st_8(DAC_CNTL, tmp, par);
1942 aty_st_8(DAC_MASK, 0xff, par);
1944 writeb(i, &par->aty_cmap_regs->rindex);
1945 atyfb_save.r[enter][i] = readb(&par->aty_cmap_regs->lut);
1946 atyfb_save.g[enter][i] = readb(&par->aty_cmap_regs->lut);
1947 atyfb_save.b[enter][i] = readb(&par->aty_cmap_regs->lut);
1948 writeb(i, &par->aty_cmap_regs->windex);
1949 writeb(atyfb_save.r[1 - enter][i],
1950 &par->aty_cmap_regs->lut);
1951 writeb(atyfb_save.g[1 - enter][i],
1952 &par->aty_cmap_regs->lut);
1953 writeb(atyfb_save.b[1 - enter][i],
1954 &par->aty_cmap_regs->lut);
1958 static void atyfb_palette(int enter)
1960 struct atyfb_par *par;
1961 struct fb_info *info;
1964 for (i = 0; i < FB_MAX; i++) {
1965 info = registered_fb[i];
1966 if (info && info->fbops == &atyfb_ops) {
1967 par = (struct atyfb_par *) info->par;
1969 atyfb_save_palette(par, enter);
1971 atyfb_save.yoffset = info->var.yoffset;
1972 info->var.yoffset = 0;
1973 set_off_pitch(par, info);
1975 info->var.yoffset = atyfb_save.yoffset;
1976 set_off_pitch(par, info);
1978 aty_st_le32(CRTC_OFF_PITCH, par->crtc.off_pitch, par);
1983 #endif /* __sparc__ */
1987 #if defined(CONFIG_PM) && defined(CONFIG_PCI)
1989 /* Power management routines. Those are used for PowerBook sleep.
1991 static int aty_power_mgmt(int sleep, struct atyfb_par *par)
1996 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
1997 pm = (pm & ~PWR_MGT_MODE_MASK) | PWR_MGT_MODE_REG;
1998 aty_st_lcd(POWER_MANAGEMENT, pm, par);
1999 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2005 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2006 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2008 pm &= ~(PWR_BLON | AUTO_PWR_UP);
2010 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2011 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2014 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2016 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2018 if ((--timeout) == 0)
2020 } while ((pm & PWR_MGT_STATUS_MASK) != PWR_MGT_STATUS_SUSPEND);
2024 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2025 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2028 pm |= (PWR_BLON | AUTO_PWR_UP);
2029 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2030 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2033 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2035 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2037 if ((--timeout) == 0)
2039 } while ((pm & PWR_MGT_STATUS_MASK) != 0);
2043 return timeout ? 0 : -EIO;
2046 static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
2048 struct fb_info *info = pci_get_drvdata(pdev);
2049 struct atyfb_par *par = (struct atyfb_par *) info->par;
2051 #ifndef CONFIG_PPC_PMAC
2052 /* HACK ALERT ! Once I find a proper way to say to each driver
2053 * individually what will happen with it's PCI slot, I'll change
2054 * that. On laptops, the AGP slot is just unclocked, so D2 is
2055 * expected, while on desktops, the card is powered off
2058 #endif /* CONFIG_PPC_PMAC */
2060 if (state.event == pdev->dev.power.power_state.event)
2063 acquire_console_sem();
2065 fb_set_suspend(info, 1);
2067 /* Idle & reset engine */
2069 aty_reset_engine(par);
2071 /* Blank display and LCD */
2072 atyfb_blank(FB_BLANK_POWERDOWN, info);
2075 par->lock_blank = 1;
2077 /* Set chip to "suspend" mode */
2078 if (aty_power_mgmt(1, par)) {
2080 par->lock_blank = 0;
2081 atyfb_blank(FB_BLANK_UNBLANK, info);
2082 fb_set_suspend(info, 0);
2083 release_console_sem();
2087 release_console_sem();
2089 pdev->dev.power.power_state = state;
2094 static int atyfb_pci_resume(struct pci_dev *pdev)
2096 struct fb_info *info = pci_get_drvdata(pdev);
2097 struct atyfb_par *par = (struct atyfb_par *) info->par;
2099 if (pdev->dev.power.power_state.event == PM_EVENT_ON)
2102 acquire_console_sem();
2104 if (pdev->dev.power.power_state.event == 2)
2105 aty_power_mgmt(0, par);
2108 /* Restore display */
2109 atyfb_set_par(info);
2112 fb_set_suspend(info, 0);
2115 par->lock_blank = 0;
2116 atyfb_blank(FB_BLANK_UNBLANK, info);
2118 release_console_sem();
2120 pdev->dev.power.power_state = PMSG_ON;
2125 #endif /* defined(CONFIG_PM) && defined(CONFIG_PCI) */
2128 #ifdef CONFIG_FB_ATY_BACKLIGHT
2129 #define MAX_LEVEL 0xFF
2131 static struct backlight_properties aty_bl_data;
2133 static int aty_bl_get_level_brightness(struct atyfb_par *par, int level)
2135 struct fb_info *info = pci_get_drvdata(par->pdev);
2138 /* Get and convert the value */
2139 mutex_lock(&info->bl_mutex);
2140 atylevel = info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_LEVEL;
2141 mutex_unlock(&info->bl_mutex);
2145 else if (atylevel > MAX_LEVEL)
2146 atylevel = MAX_LEVEL;
2151 static int aty_bl_update_status(struct backlight_device *bd)
2153 struct atyfb_par *par = class_get_devdata(&bd->class_dev);
2154 unsigned int reg = aty_ld_lcd(LCD_MISC_CNTL, par);
2157 if (bd->props->power != FB_BLANK_UNBLANK ||
2158 bd->props->fb_blank != FB_BLANK_UNBLANK)
2161 level = bd->props->brightness;
2163 reg |= (BLMOD_EN | BIASMOD_EN);
2165 reg &= ~BIAS_MOD_LEVEL_MASK;
2166 reg |= (aty_bl_get_level_brightness(par, level) << BIAS_MOD_LEVEL_SHIFT);
2168 reg &= ~BIAS_MOD_LEVEL_MASK;
2169 reg |= (aty_bl_get_level_brightness(par, 0) << BIAS_MOD_LEVEL_SHIFT);
2171 aty_st_lcd(LCD_MISC_CNTL, reg, par);
2176 static int aty_bl_get_brightness(struct backlight_device *bd)
2178 return bd->props->brightness;
2181 static struct backlight_properties aty_bl_data = {
2182 .owner = THIS_MODULE,
2183 .get_brightness = aty_bl_get_brightness,
2184 .update_status = aty_bl_update_status,
2185 .max_brightness = (FB_BACKLIGHT_LEVELS - 1),
2188 static void aty_bl_init(struct atyfb_par *par)
2190 struct fb_info *info = pci_get_drvdata(par->pdev);
2191 struct backlight_device *bd;
2194 #ifdef CONFIG_PMAC_BACKLIGHT
2195 if (!pmac_has_backlight_type("ati"))
2199 snprintf(name, sizeof(name), "atybl%d", info->node);
2201 bd = backlight_device_register(name, par, &aty_bl_data);
2203 info->bl_dev = NULL;
2204 printk("aty: Backlight registration failed\n");
2208 mutex_lock(&info->bl_mutex);
2210 fb_bl_default_curve(info, 0,
2211 0x3F * FB_BACKLIGHT_MAX / MAX_LEVEL,
2212 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
2213 mutex_unlock(&info->bl_mutex);
2216 bd->props->brightness = aty_bl_data.max_brightness;
2217 bd->props->power = FB_BLANK_UNBLANK;
2218 bd->props->update_status(bd);
2221 #ifdef CONFIG_PMAC_BACKLIGHT
2222 mutex_lock(&pmac_backlight_mutex);
2223 if (!pmac_backlight)
2224 pmac_backlight = bd;
2225 mutex_unlock(&pmac_backlight_mutex);
2228 printk("aty: Backlight initialized (%s)\n", name);
2236 static void aty_bl_exit(struct atyfb_par *par)
2238 struct fb_info *info = pci_get_drvdata(par->pdev);
2240 #ifdef CONFIG_PMAC_BACKLIGHT
2241 mutex_lock(&pmac_backlight_mutex);
2244 mutex_lock(&info->bl_mutex);
2246 #ifdef CONFIG_PMAC_BACKLIGHT
2247 if (pmac_backlight == info->bl_dev)
2248 pmac_backlight = NULL;
2251 backlight_device_unregister(info->bl_dev);
2253 printk("aty: Backlight unloaded\n");
2255 mutex_unlock(&info->bl_mutex);
2257 #ifdef CONFIG_PMAC_BACKLIGHT
2258 mutex_unlock(&pmac_backlight_mutex);
2262 #endif /* CONFIG_FB_ATY_BACKLIGHT */
2264 static void __devinit aty_calc_mem_refresh(struct atyfb_par *par, int xclk)
2266 const int ragepro_tbl[] = {
2267 44, 50, 55, 66, 75, 80, 100
2269 const int ragexl_tbl[] = {
2270 50, 66, 75, 83, 90, 95, 100, 105,
2271 110, 115, 120, 125, 133, 143, 166
2273 const int *refresh_tbl;
2276 if (IS_XL(par->pci_id) || IS_MOBILITY(par->pci_id)) {
2277 refresh_tbl = ragexl_tbl;
2278 size = ARRAY_SIZE(ragexl_tbl);
2280 refresh_tbl = ragepro_tbl;
2281 size = ARRAY_SIZE(ragepro_tbl);
2284 for (i=0; i < size; i++) {
2285 if (xclk < refresh_tbl[i])
2288 par->mem_refresh_rate = i;
2295 static struct fb_info *fb_list = NULL;
2297 #if defined(__i386__) && defined(CONFIG_FB_ATY_GENERIC_LCD)
2298 static int __devinit atyfb_get_timings_from_lcd(struct atyfb_par *par,
2299 struct fb_var_screeninfo *var)
2303 if (par->lcd_table != 0 && (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
2305 var->xres = var->xres_virtual = par->lcd_hdisp;
2306 var->right_margin = par->lcd_right_margin;
2307 var->left_margin = par->lcd_hblank_len -
2308 (par->lcd_right_margin + par->lcd_hsync_dly +
2309 par->lcd_hsync_len);
2310 var->hsync_len = par->lcd_hsync_len + par->lcd_hsync_dly;
2311 var->yres = var->yres_virtual = par->lcd_vdisp;
2312 var->lower_margin = par->lcd_lower_margin;
2313 var->upper_margin = par->lcd_vblank_len -
2314 (par->lcd_lower_margin + par->lcd_vsync_len);
2315 var->vsync_len = par->lcd_vsync_len;
2316 var->pixclock = par->lcd_pixclock;
2322 #endif /* defined(__i386__) && defined(CONFIG_FB_ATY_GENERIC_LCD) */
2324 static int __devinit aty_init(struct fb_info *info, const char *name)
2326 struct atyfb_par *par = (struct atyfb_par *) info->par;
2327 const char *ramname = NULL, *xtal;
2328 int gtb_memsize, has_var = 0;
2329 struct fb_var_screeninfo var;
2332 #if defined(CONFIG_PPC)
2336 init_waitqueue_head(&par->vblank.wait);
2337 spin_lock_init(&par->int_lock);
2339 par->aty_cmap_regs =
2340 (struct aty_cmap_regs __iomem *) (par->ati_regbase + 0xc0);
2342 #ifdef CONFIG_PPC_PMAC
2343 /* The Apple iBook1 uses non-standard memory frequencies. We detect it
2344 * and set the frequency manually. */
2345 if (machine_is_compatible("PowerBook2,1")) {
2346 par->pll_limits.mclk = 70;
2347 par->pll_limits.xclk = 53;
2351 par->pll_limits.pll_max = pll;
2353 par->pll_limits.mclk = mclk;
2355 par->pll_limits.xclk = xclk;
2357 aty_calc_mem_refresh(par, par->pll_limits.xclk);
2358 par->pll_per = 1000000/par->pll_limits.pll_max;
2359 par->mclk_per = 1000000/par->pll_limits.mclk;
2360 par->xclk_per = 1000000/par->pll_limits.xclk;
2362 par->ref_clk_per = 1000000000000ULL / 14318180;
2365 #ifdef CONFIG_FB_ATY_GX
2366 if (!M64_HAS(INTEGRATED)) {
2368 u8 dac_type, dac_subtype, clk_type;
2369 stat0 = aty_ld_le32(CONFIG_STAT0, par);
2370 par->bus_type = (stat0 >> 0) & 0x07;
2371 par->ram_type = (stat0 >> 3) & 0x07;
2372 ramname = aty_gx_ram[par->ram_type];
2373 /* FIXME: clockchip/RAMDAC probing? */
2374 dac_type = (aty_ld_le32(DAC_CNTL, par) >> 16) & 0x07;
2376 clk_type = CLK_ATI18818_1;
2377 dac_type = (stat0 >> 9) & 0x07;
2378 if (dac_type == 0x07)
2379 dac_subtype = DAC_ATT20C408;
2381 dac_subtype = (aty_ld_8(SCRATCH_REG1 + 1, par) & 0xF0) | dac_type;
2383 dac_type = DAC_IBMRGB514;
2384 dac_subtype = DAC_IBMRGB514;
2385 clk_type = CLK_IBMRGB514;
2387 switch (dac_subtype) {
2389 par->dac_ops = &aty_dac_ibm514;
2391 case DAC_ATI68860_B:
2392 case DAC_ATI68860_C:
2393 par->dac_ops = &aty_dac_ati68860b;
2397 par->dac_ops = &aty_dac_att21c498;
2400 PRINTKI("aty_init: DAC type not implemented yet!\n");
2401 par->dac_ops = &aty_dac_unsupported;
2406 case CLK_ATI18818_1:
2407 par->pll_ops = &aty_pll_ati18818_1;
2411 par->pll_ops = &aty_pll_ibm514;
2414 #if 0 /* dead code */
2416 par->pll_ops = &aty_pll_stg1703;
2419 par->pll_ops = &aty_pll_ch8398;
2422 par->pll_ops = &aty_pll_att20c408;
2426 PRINTKI("aty_init: CLK type not implemented yet!");
2427 par->pll_ops = &aty_pll_unsupported;
2431 #endif /* CONFIG_FB_ATY_GX */
2432 #ifdef CONFIG_FB_ATY_CT
2433 if (M64_HAS(INTEGRATED)) {
2434 par->dac_ops = &aty_dac_ct;
2435 par->pll_ops = &aty_pll_ct;
2436 par->bus_type = PCI;
2437 par->ram_type = (aty_ld_le32(CONFIG_STAT0, par) & 0x07);
2438 ramname = aty_ct_ram[par->ram_type];
2439 /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */
2440 if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM)
2441 par->pll_limits.mclk = 63;
2444 if (M64_HAS(GTB_DSP)
2445 && (pll_ref_div = aty_ld_pll_ct(PLL_REF_DIV, par))) {
2447 diff1 = 510 * 14 / pll_ref_div - par->pll_limits.pll_max;
2448 diff2 = 510 * 29 / pll_ref_div - par->pll_limits.pll_max;
2453 if (diff2 < diff1) {
2454 par->ref_clk_per = 1000000000000ULL / 29498928;
2458 #endif /* CONFIG_FB_ATY_CT */
2460 /* save previous video mode */
2461 aty_get_crtc(par, &saved_crtc);
2462 if(par->pll_ops->get_pll)
2463 par->pll_ops->get_pll(info, &saved_pll);
2465 i = aty_ld_le32(MEM_CNTL, par);
2466 gtb_memsize = M64_HAS(GTB_DSP);
2468 switch (i & 0xF) { /* 0xF used instead of MEM_SIZE_ALIAS */
2470 info->fix.smem_len = 0x80000;
2473 info->fix.smem_len = 0x100000;
2475 case MEM_SIZE_2M_GTB:
2476 info->fix.smem_len = 0x200000;
2478 case MEM_SIZE_4M_GTB:
2479 info->fix.smem_len = 0x400000;
2481 case MEM_SIZE_6M_GTB:
2482 info->fix.smem_len = 0x600000;
2484 case MEM_SIZE_8M_GTB:
2485 info->fix.smem_len = 0x800000;
2488 info->fix.smem_len = 0x80000;
2490 switch (i & MEM_SIZE_ALIAS) {
2492 info->fix.smem_len = 0x80000;
2495 info->fix.smem_len = 0x100000;
2498 info->fix.smem_len = 0x200000;
2501 info->fix.smem_len = 0x400000;
2504 info->fix.smem_len = 0x600000;
2507 info->fix.smem_len = 0x800000;
2510 info->fix.smem_len = 0x80000;
2513 if (M64_HAS(MAGIC_VRAM_SIZE)) {
2514 if (aty_ld_le32(CONFIG_STAT1, par) & 0x40000000)
2515 info->fix.smem_len += 0x400000;
2519 info->fix.smem_len = vram * 1024;
2520 i = i & ~(gtb_memsize ? 0xF : MEM_SIZE_ALIAS);
2521 if (info->fix.smem_len <= 0x80000)
2523 else if (info->fix.smem_len <= 0x100000)
2525 else if (info->fix.smem_len <= 0x200000)
2526 i |= gtb_memsize ? MEM_SIZE_2M_GTB : MEM_SIZE_2M;
2527 else if (info->fix.smem_len <= 0x400000)
2528 i |= gtb_memsize ? MEM_SIZE_4M_GTB : MEM_SIZE_4M;
2529 else if (info->fix.smem_len <= 0x600000)
2530 i |= gtb_memsize ? MEM_SIZE_6M_GTB : MEM_SIZE_6M;
2532 i |= gtb_memsize ? MEM_SIZE_8M_GTB : MEM_SIZE_8M;
2533 aty_st_le32(MEM_CNTL, i, par);
2537 * Reg Block 0 (CT-compatible block) is at mmio_start
2538 * Reg Block 1 (multimedia extensions) is at mmio_start - 0x400
2541 info->fix.mmio_len = 0x400;
2542 info->fix.accel = FB_ACCEL_ATI_MACH64GX;
2543 } else if (M64_HAS(CT)) {
2544 info->fix.mmio_len = 0x400;
2545 info->fix.accel = FB_ACCEL_ATI_MACH64CT;
2546 } else if (M64_HAS(VT)) {
2547 info->fix.mmio_start -= 0x400;
2548 info->fix.mmio_len = 0x800;
2549 info->fix.accel = FB_ACCEL_ATI_MACH64VT;
2551 info->fix.mmio_start -= 0x400;
2552 info->fix.mmio_len = 0x800;
2553 info->fix.accel = FB_ACCEL_ATI_MACH64GT;
2556 PRINTKI("%d%c %s, %s MHz XTAL, %d MHz PLL, %d Mhz MCLK, %d MHz XCLK\n",
2557 info->fix.smem_len == 0x80000 ? 512 : (info->fix.smem_len >> 20),
2558 info->fix.smem_len == 0x80000 ? 'K' : 'M', ramname, xtal, par->pll_limits.pll_max,
2559 par->pll_limits.mclk, par->pll_limits.xclk);
2561 #if defined(DEBUG) && defined(CONFIG_ATY_CT)
2562 if (M64_HAS(INTEGRATED)) {
2564 printk("debug atyfb: BUS_CNTL DAC_CNTL MEM_CNTL EXT_MEM_CNTL CRTC_GEN_CNTL "
2565 "DSP_CONFIG DSP_ON_OFF CLOCK_CNTL\n"
2566 "debug atyfb: %08x %08x %08x %08x %08x %08x %08x %08x\n"
2568 aty_ld_le32(BUS_CNTL, par), aty_ld_le32(DAC_CNTL, par),
2569 aty_ld_le32(MEM_CNTL, par), aty_ld_le32(EXT_MEM_CNTL, par),
2570 aty_ld_le32(CRTC_GEN_CNTL, par), aty_ld_le32(DSP_CONFIG, par),
2571 aty_ld_le32(DSP_ON_OFF, par), aty_ld_le32(CLOCK_CNTL, par));
2572 for (i = 0; i < 40; i++)
2573 printk(" %02x", aty_ld_pll_ct(i, par));
2577 if(par->pll_ops->init_pll)
2578 par->pll_ops->init_pll(info, &par->pll);
2581 * Last page of 8 MB (4 MB on ISA) aperture is MMIO
2582 * FIXME: we should use the auxiliary aperture instead so we can access
2583 * the full 8 MB of video RAM on 8 MB boards
2586 if (!par->aux_start &&
2587 (info->fix.smem_len == 0x800000 || (par->bus_type == ISA && info->fix.smem_len == 0x400000)))
2588 info->fix.smem_len -= GUI_RESERVE;
2591 * Disable register access through the linear aperture
2592 * if the auxiliary aperture is used so we can access
2593 * the full 8 MB of video RAM on 8 MB boards.
2596 aty_st_le32(BUS_CNTL, aty_ld_le32(BUS_CNTL, par) | BUS_APER_REG_DIS, par);
2599 par->mtrr_aper = -1;
2602 /* Cover the whole resource. */
2603 par->mtrr_aper = mtrr_add(par->res_start, par->res_size, MTRR_TYPE_WRCOMB, 1);
2604 if (par->mtrr_aper >= 0 && !par->aux_start) {
2605 /* Make a hole for mmio. */
2606 par->mtrr_reg = mtrr_add(par->res_start + 0x800000 - GUI_RESERVE,
2607 GUI_RESERVE, MTRR_TYPE_UNCACHABLE, 1);
2608 if (par->mtrr_reg < 0) {
2609 mtrr_del(par->mtrr_aper, 0, 0);
2610 par->mtrr_aper = -1;
2616 info->fbops = &atyfb_ops;
2617 info->pseudo_palette = pseudo_palette;
2618 info->flags = FBINFO_DEFAULT |
2619 FBINFO_HWACCEL_IMAGEBLIT |
2620 FBINFO_HWACCEL_FILLRECT |
2621 FBINFO_HWACCEL_COPYAREA |
2622 FBINFO_HWACCEL_YPAN;
2624 #ifdef CONFIG_PMAC_BACKLIGHT
2625 if (M64_HAS(G3_PB_1_1) && machine_is_compatible("PowerBook1,1")) {
2626 /* these bits let the 101 powerbook wake up from sleep -- paulus */
2627 aty_st_lcd(POWER_MANAGEMENT, aty_ld_lcd(POWER_MANAGEMENT, par)
2628 | (USE_F32KHZ | TRISTATE_MEM_EN), par);
2631 if (M64_HAS(MOBIL_BUS)) {
2632 #ifdef CONFIG_FB_ATY_BACKLIGHT
2637 memset(&var, 0, sizeof(var));
2639 if (machine_is(powermac)) {
2641 * FIXME: The NVRAM stuff should be put in a Mac-specific file, as it
2642 * applies to all Mac video cards
2645 if (mac_find_mode(&var, info, mode, 8))
2648 if (default_vmode == VMODE_CHOOSE) {
2649 if (M64_HAS(G3_PB_1024x768))
2650 /* G3 PowerBook with 1024x768 LCD */
2651 default_vmode = VMODE_1024_768_60;
2652 else if (machine_is_compatible("iMac"))
2653 default_vmode = VMODE_1024_768_75;
2654 else if (machine_is_compatible
2656 /* iBook with 800x600 LCD */
2657 default_vmode = VMODE_800_600_60;
2659 default_vmode = VMODE_640_480_67;
2660 sense = read_aty_sense(par);
2661 PRINTKI("monitor sense=%x, mode %d\n",
2662 sense, mac_map_monitor_sense(sense));
2664 if (default_vmode <= 0 || default_vmode > VMODE_MAX)
2665 default_vmode = VMODE_640_480_60;
2666 if (default_cmode < CMODE_8 || default_cmode > CMODE_32)
2667 default_cmode = CMODE_8;
2668 if (!mac_vmode_to_var(default_vmode, default_cmode,
2674 #endif /* !CONFIG_PPC */
2676 #if defined(__i386__) && defined(CONFIG_FB_ATY_GENERIC_LCD)
2677 if (!atyfb_get_timings_from_lcd(par, &var))
2681 if (mode && fb_find_mode(&var, info, mode, NULL, 0, &defmode, 8))
2688 var.accel_flags &= ~FB_ACCELF_TEXT;
2690 var.accel_flags |= FB_ACCELF_TEXT;
2692 if (comp_sync != -1) {
2694 var.sync &= ~FB_SYNC_COMP_HIGH_ACT;
2696 var.sync |= FB_SYNC_COMP_HIGH_ACT;
2699 if (var.yres == var.yres_virtual) {
2700 u32 videoram = (info->fix.smem_len - (PAGE_SIZE << 2));
2701 var.yres_virtual = ((videoram * 8) / var.bits_per_pixel) / var.xres_virtual;
2702 if (var.yres_virtual < var.yres)
2703 var.yres_virtual = var.yres;
2706 if (atyfb_check_var(&var, info)) {
2707 PRINTKE("can't set default video mode\n");
2712 atyfb_save_palette(par, 0);
2715 #ifdef CONFIG_FB_ATY_CT
2716 if (!noaccel && M64_HAS(INTEGRATED))
2717 aty_init_cursor(info);
2718 #endif /* CONFIG_FB_ATY_CT */
2721 fb_alloc_cmap(&info->cmap, 256, 0);
2723 if (register_framebuffer(info) < 0)
2728 PRINTKI("fb%d: %s frame buffer device on %s\n",
2729 info->node, info->fix.id, name);
2733 /* restore video mode */
2734 aty_set_crtc(par, &saved_crtc);
2735 par->pll_ops->set_pll(info, &saved_pll);
2738 if (par->mtrr_reg >= 0) {
2739 mtrr_del(par->mtrr_reg, 0, 0);
2742 if (par->mtrr_aper >= 0) {
2743 mtrr_del(par->mtrr_aper, 0, 0);
2744 par->mtrr_aper = -1;
2751 static int __devinit store_video_par(char *video_str, unsigned char m64_num)
2754 unsigned long vmembase, size, guiregbase;
2756 PRINTKI("store_video_par() '%s' \n", video_str);
2758 if (!(p = strsep(&video_str, ";")) || !*p)
2759 goto mach64_invalid;
2760 vmembase = simple_strtoul(p, NULL, 0);
2761 if (!(p = strsep(&video_str, ";")) || !*p)
2762 goto mach64_invalid;
2763 size = simple_strtoul(p, NULL, 0);
2764 if (!(p = strsep(&video_str, ";")) || !*p)
2765 goto mach64_invalid;
2766 guiregbase = simple_strtoul(p, NULL, 0);
2768 phys_vmembase[m64_num] = vmembase;
2769 phys_size[m64_num] = size;
2770 phys_guiregbase[m64_num] = guiregbase;
2771 PRINTKI("stored them all: $%08lX $%08lX $%08lX \n", vmembase, size,
2776 phys_vmembase[m64_num] = 0;
2779 #endif /* CONFIG_ATARI */
2782 * Blank the display.
2785 static int atyfb_blank(int blank, struct fb_info *info)
2787 struct atyfb_par *par = (struct atyfb_par *) info->par;
2790 if (par->lock_blank || par->asleep)
2793 #ifdef CONFIG_PMAC_BACKLIGHT
2794 if (machine_is(powermac) && blank > FB_BLANK_NORMAL) {
2795 mutex_lock(&info->bl_mutex);
2797 down(&info->bl_dev->sem);
2798 info->bl_dev->props->power = FB_BLANK_POWERDOWN;
2799 info->bl_dev->props->update_status(info->bl_dev);
2800 up(&info->bl_dev->sem);
2802 mutex_unlock(&info->bl_mutex);
2804 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
2805 if (par->lcd_table && blank > FB_BLANK_NORMAL &&
2806 (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
2807 u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2809 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2813 gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
2815 case FB_BLANK_UNBLANK:
2816 gen_cntl &= ~0x400004c;
2818 case FB_BLANK_NORMAL:
2819 gen_cntl |= 0x4000040;
2821 case FB_BLANK_VSYNC_SUSPEND:
2822 gen_cntl |= 0x4000048;
2824 case FB_BLANK_HSYNC_SUSPEND:
2825 gen_cntl |= 0x4000044;
2827 case FB_BLANK_POWERDOWN:
2828 gen_cntl |= 0x400004c;
2831 aty_st_le32(CRTC_GEN_CNTL, gen_cntl, par);
2833 #ifdef CONFIG_PMAC_BACKLIGHT
2834 if (machine_is(powermac) && blank <= FB_BLANK_NORMAL) {
2835 mutex_lock(&info->bl_mutex);
2837 down(&info->bl_dev->sem);
2838 info->bl_dev->props->power = FB_BLANK_UNBLANK;
2839 info->bl_dev->props->update_status(info->bl_dev);
2840 up(&info->bl_dev->sem);
2842 mutex_unlock(&info->bl_mutex);
2844 #elif defined(CONFIG_FB_ATY_GENERIC_LCD)
2845 if (par->lcd_table && blank <= FB_BLANK_NORMAL &&
2846 (aty_ld_lcd(LCD_GEN_CNTL, par) & LCD_ON)) {
2847 u32 pm = aty_ld_lcd(POWER_MANAGEMENT, par);
2849 aty_st_lcd(POWER_MANAGEMENT, pm, par);
2856 static void aty_st_pal(u_int regno, u_int red, u_int green, u_int blue,
2857 const struct atyfb_par *par)
2860 out_8(&par->aty_cmap_regs->windex, regno);
2861 out_8(&par->aty_cmap_regs->lut, red);
2862 out_8(&par->aty_cmap_regs->lut, green);
2863 out_8(&par->aty_cmap_regs->lut, blue);
2865 writeb(regno, &par->aty_cmap_regs->windex);
2866 writeb(red, &par->aty_cmap_regs->lut);
2867 writeb(green, &par->aty_cmap_regs->lut);
2868 writeb(blue, &par->aty_cmap_regs->lut);
2873 * Set a single color register. The values supplied are already
2874 * rounded down to the hardware's capabilities (according to the
2875 * entries in the var structure). Return != 0 for invalid regno.
2876 * !! 4 & 8 = PSEUDO, > 8 = DIRECTCOLOR
2879 static int atyfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
2880 u_int transp, struct fb_info *info)
2882 struct atyfb_par *par = (struct atyfb_par *) info->par;
2884 u32 *pal = info->pseudo_palette;
2886 depth = info->var.bits_per_pixel;
2888 depth = (info->var.green.length == 5) ? 15 : 16;
2894 (depth == 16 && regno > 63) ||
2895 (depth == 15 && regno > 31))
2902 par->palette[regno].red = red;
2903 par->palette[regno].green = green;
2904 par->palette[regno].blue = blue;
2909 pal[regno] = (regno << 10) | (regno << 5) | regno;
2912 pal[regno] = (regno << 11) | (regno << 5) | regno;
2915 pal[regno] = (regno << 16) | (regno << 8) | regno;
2918 i = (regno << 8) | regno;
2919 pal[regno] = (i << 16) | i;
2924 i = aty_ld_8(DAC_CNTL, par) & 0xfc;
2925 if (M64_HAS(EXTRA_BRIGHT))
2926 i |= 0x2; /* DAC_CNTL | 0x2 turns off the extra brightness for gt */
2927 aty_st_8(DAC_CNTL, i, par);
2928 aty_st_8(DAC_MASK, 0xff, par);
2930 if (M64_HAS(INTEGRATED)) {
2933 aty_st_pal(regno << 3, red,
2934 par->palette[regno<<1].green,
2936 red = par->palette[regno>>1].red;
2937 blue = par->palette[regno>>1].blue;
2939 } else if (depth == 15) {
2941 for(i = 0; i < 8; i++) {
2942 aty_st_pal(regno + i, red, green, blue, par);
2946 aty_st_pal(regno, red, green, blue, par);
2955 extern void (*prom_palette) (int);
2957 static int __devinit atyfb_setup_sparc(struct pci_dev *pdev,
2958 struct fb_info *info, unsigned long addr)
2960 extern int con_is_present(void);
2962 struct atyfb_par *par = info->par;
2963 struct pcidev_cookie *pcp;
2965 int node, len, i, j, ret;
2968 /* Do not attach when we have a serial console. */
2969 if (!con_is_present())
2973 * Map memory-mapped registers.
2975 par->ati_regbase = (void *)addr + 0x7ffc00UL;
2976 info->fix.mmio_start = addr + 0x7ffc00UL;
2979 * Map in big-endian aperture.
2981 info->screen_base = (char *) (addr + 0x800000UL);
2982 info->fix.smem_start = addr + 0x800000UL;
2985 * Figure mmap addresses from PCI config space.
2986 * Split Framebuffer in big- and little-endian halfs.
2988 for (i = 0; i < 6 && pdev->resource[i].start; i++)
2992 par->mmap_map = kmalloc(j * sizeof(*par->mmap_map), GFP_ATOMIC);
2993 if (!par->mmap_map) {
2994 PRINTKE("atyfb_setup_sparc() can't alloc mmap_map\n");
2997 memset(par->mmap_map, 0, j * sizeof(*par->mmap_map));
2999 for (i = 0, j = 2; i < 6 && pdev->resource[i].start; i++) {
3000 struct resource *rp = &pdev->resource[i];
3001 int io, breg = PCI_BASE_ADDRESS_0 + (i << 2);
3007 io = (rp->flags & IORESOURCE_IO);
3009 size = rp->end - base + 1;
3011 pci_read_config_dword(pdev, breg, &pbase);
3017 * Map the framebuffer a second time, this time without
3018 * the braindead _PAGE_IE setting. This is used by the
3019 * fixed Xserver, but we need to maintain the old mapping
3020 * to stay compatible with older ones...
3023 par->mmap_map[j].voff = (pbase + 0x10000000) & PAGE_MASK;
3024 par->mmap_map[j].poff = base & PAGE_MASK;
3025 par->mmap_map[j].size = (size + ~PAGE_MASK) & PAGE_MASK;
3026 par->mmap_map[j].prot_mask = _PAGE_CACHE;
3027 par->mmap_map[j].prot_flag = _PAGE_E;
3032 * Here comes the old framebuffer mapping with _PAGE_IE
3033 * set for the big endian half of the framebuffer...
3036 par->mmap_map[j].voff = (pbase + 0x800000) & PAGE_MASK;
3037 par->mmap_map[j].poff = (base + 0x800000) & PAGE_MASK;
3038 par->mmap_map[j].size = 0x800000;
3039 par->mmap_map[j].prot_mask = _PAGE_CACHE;
3040 par->mmap_map[j].prot_flag = _PAGE_E | _PAGE_IE;
3045 par->mmap_map[j].voff = pbase & PAGE_MASK;
3046 par->mmap_map[j].poff = base & PAGE_MASK;
3047 par->mmap_map[j].size = (size + ~PAGE_MASK) & PAGE_MASK;
3048 par->mmap_map[j].prot_mask = _PAGE_CACHE;
3049 par->mmap_map[j].prot_flag = _PAGE_E;
3053 if((ret = correct_chipset(par)))
3056 if (IS_XL(pdev->device)) {
3058 * Fix PROMs idea of MEM_CNTL settings...
3060 mem = aty_ld_le32(MEM_CNTL, par);
3061 chip_id = aty_ld_le32(CONFIG_CHIP_ID, par);
3062 if (((chip_id & CFG_CHIP_TYPE) == VT_CHIP_ID) && !((chip_id >> 24) & 1)) {
3063 switch (mem & 0x0f) {
3065 mem = (mem & ~(0x0f)) | 2;
3068 mem = (mem & ~(0x0f)) | 3;
3071 mem = (mem & ~(0x0f)) | 4;
3074 mem = (mem & ~(0x0f)) | 5;
3079 if ((aty_ld_le32(CONFIG_STAT0, par) & 7) >= SDRAM)
3080 mem &= ~(0x00700000);
3082 mem &= ~(0xcf80e000); /* Turn off all undocumented bits. */
3083 aty_st_le32(MEM_CNTL, mem, par);
3087 * If this is the console device, we will set default video
3088 * settings to what the PROM left us with.
3090 node = prom_getchild(prom_root_node);
3091 node = prom_searchsiblings(node, "aliases");
3093 len = prom_getproperty(node, "screen", prop, sizeof(prop));
3096 node = prom_finddevice(prop);
3101 pcp = pdev->sysdata;
3102 if (node == pcp->prom_node->node) {
3103 struct fb_var_screeninfo *var = &default_var;
3104 unsigned int N, P, Q, M, T, R;
3105 u32 v_total, h_total;
3110 crtc.vxres = prom_getintdefault(node, "width", 1024);
3111 crtc.vyres = prom_getintdefault(node, "height", 768);
3112 var->bits_per_pixel = prom_getintdefault(node, "depth", 8);
3113 var->xoffset = var->yoffset = 0;
3114 crtc.h_tot_disp = aty_ld_le32(CRTC_H_TOTAL_DISP, par);
3115 crtc.h_sync_strt_wid = aty_ld_le32(CRTC_H_SYNC_STRT_WID, par);
3116 crtc.v_tot_disp = aty_ld_le32(CRTC_V_TOTAL_DISP, par);
3117 crtc.v_sync_strt_wid = aty_ld_le32(CRTC_V_SYNC_STRT_WID, par);
3118 crtc.gen_cntl = aty_ld_le32(CRTC_GEN_CNTL, par);
3119 aty_crtc_to_var(&crtc, var);
3121 h_total = var->xres + var->right_margin + var->hsync_len + var->left_margin;
3122 v_total = var->yres + var->lower_margin + var->vsync_len + var->upper_margin;
3125 * Read the PLL to figure actual Refresh Rate.
3127 clock_cntl = aty_ld_8(CLOCK_CNTL, par);
3128 /* DPRINTK("CLOCK_CNTL %02x\n", clock_cntl); */
3129 for (i = 0; i < 16; i++)
3130 pll_regs[i] = aty_ld_pll_ct(i, par);
3133 * PLL Reference Divider M:
3138 * PLL Feedback Divider N (Dependant on CLOCK_CNTL):
3140 N = pll_regs[7 + (clock_cntl & 3)];
3143 * PLL Post Divider P (Dependant on CLOCK_CNTL):
3145 P = 1 << (pll_regs[6] >> ((clock_cntl & 3) << 1));
3159 * where R is XTALIN (= 14318 or 29498 kHz).
3161 if (IS_XL(pdev->device))
3168 default_var.pixclock = 1000000000 / T;
3174 #else /* __sparc__ */
3177 #ifdef CONFIG_FB_ATY_GENERIC_LCD
3178 static void aty_init_lcd(struct atyfb_par *par, u32 bios_base)
3180 u32 driv_inf_tab, sig;
3183 /* To support an LCD panel, we should know it's dimensions and
3184 * it's desired pixel clock.
3185 * There are two ways to do it:
3186 * - Check the startup video mode and calculate the panel
3187 * size from it. This is unreliable.
3188 * - Read it from the driver information table in the video BIOS.
3190 /* Address of driver information table is at offset 0x78. */
3191 driv_inf_tab = bios_base + *((u16 *)(bios_base+0x78));
3193 /* Check for the driver information table signature. */
3194 sig = (*(u32 *)driv_inf_tab);
3195 if ((sig == 0x54504c24) || /* Rage LT pro */
3196 (sig == 0x544d5224) || /* Rage mobility */
3197 (sig == 0x54435824) || /* Rage XC */
3198 (sig == 0x544c5824)) { /* Rage XL */
3199 PRINTKI("BIOS contains driver information table.\n");
3200 lcd_ofs = (*(u16 *)(driv_inf_tab + 10));
3203 par->lcd_table = bios_base + lcd_ofs;
3207 if (par->lcd_table != 0) {
3210 char refresh_rates_buf[100];
3211 int id, tech, f, i, m, default_refresh_rate;
3216 u16 width, height, panel_type, refresh_rates;
3219 u8 lcd_refresh_rates[16] = {50,56,60,67,70,72,75,76,85,90,100,120,140,150,160,200};
3220 /* The most important information is the panel size at
3221 * offset 25 and 27, but there's some other nice information
3222 * which we print to the screen.
3224 id = *(u8 *)par->lcd_table;
3225 strncpy(model,(char *)par->lcd_table+1,24);
3228 width = par->lcd_width = *(u16 *)(par->lcd_table+25);
3229 height = par->lcd_height = *(u16 *)(par->lcd_table+27);
3230 panel_type = *(u16 *)(par->lcd_table+29);
3232 txtcolour = "colour";
3234 txtcolour = "monochrome";
3236 txtdual = "dual (split) ";
3239 tech = (panel_type>>2) & 63;
3242 txtmonitor = "passive matrix";
3245 txtmonitor = "active matrix";
3248 txtmonitor = "active addressed STN";
3254 txtmonitor = "plasma";
3257 txtmonitor = "unknown";
3259 format = *(u32 *)(par->lcd_table+57);
3260 if (tech == 0 || tech == 2) {
3261 switch (format & 7) {
3263 txtformat = "12 bit interface";
3266 txtformat = "16 bit interface";
3269 txtformat = "24 bit interface";
3272 txtformat = "unkown format";
3275 switch (format & 7) {
3277 txtformat = "8 colours";
3280 txtformat = "512 colours";
3283 txtformat = "4096 colours";
3286 txtformat = "262144 colours (LT mode)";
3289 txtformat = "16777216 colours";
3292 txtformat = "262144 colours (FDPI-2 mode)";
3295 txtformat = "unkown format";
3298 PRINTKI("%s%s %s monitor detected: %s\n",
3299 txtdual ,txtcolour, txtmonitor, model);
3300 PRINTKI(" id=%d, %dx%d pixels, %s\n",
3301 id, width, height, txtformat);
3302 refresh_rates_buf[0] = 0;
3303 refresh_rates = *(u16 *)(par->lcd_table+62);
3306 for (i=0;i<16;i++) {
3307 if (refresh_rates & m) {
3309 sprintf(strbuf, "%d", lcd_refresh_rates[i]);
3312 sprintf(strbuf, ",%d", lcd_refresh_rates[i]);
3314 strcat(refresh_rates_buf,strbuf);
3318 default_refresh_rate = (*(u8 *)(par->lcd_table+61) & 0xf0) >> 4;
3319 PRINTKI(" supports refresh rates [%s], default %d Hz\n",
3320 refresh_rates_buf, lcd_refresh_rates[default_refresh_rate]);
3321 par->lcd_refreshrate = lcd_refresh_rates[default_refresh_rate];
3322 /* We now need to determine the crtc parameters for the
3323 * LCD monitor. This is tricky, because they are not stored
3324 * individually in the BIOS. Instead, the BIOS contains a
3325 * table of display modes that work for this monitor.
3327 * The idea is that we search for a mode of the same dimensions
3328 * as the dimensions of the LCD monitor. Say our LCD monitor
3329 * is 800x600 pixels, we search for a 800x600 monitor.
3330 * The CRTC parameters we find here are the ones that we need
3331 * to use to simulate other resolutions on the LCD screen.
3333 lcdmodeptr = (u16 *)(par->lcd_table + 64);
3334 while (*lcdmodeptr != 0) {
3336 u16 mwidth, mheight, lcd_hsync_start, lcd_vsync_start;
3337 modeptr = bios_base + *lcdmodeptr;
3339 mwidth = *((u16 *)(modeptr+0));
3340 mheight = *((u16 *)(modeptr+2));
3342 if (mwidth == width && mheight == height) {
3343 par->lcd_pixclock = 100000000 / *((u16 *)(modeptr+9));
3344 par->lcd_htotal = *((u16 *)(modeptr+17)) & 511;
3345 par->lcd_hdisp = *((u16 *)(modeptr+19)) & 511;
3346 lcd_hsync_start = *((u16 *)(modeptr+21)) & 511;
3347 par->lcd_hsync_dly = (*((u16 *)(modeptr+21)) >> 9) & 7;
3348 par->lcd_hsync_len = *((u8 *)(modeptr+23)) & 63;
3350 par->lcd_vtotal = *((u16 *)(modeptr+24)) & 2047;
3351 par->lcd_vdisp = *((u16 *)(modeptr+26)) & 2047;
3352 lcd_vsync_start = *((u16 *)(modeptr+28)) & 2047;
3353 par->lcd_vsync_len = (*((u16 *)(modeptr+28)) >> 11) & 31;
3355 par->lcd_htotal = (par->lcd_htotal + 1) * 8;
3356 par->lcd_hdisp = (par->lcd_hdisp + 1) * 8;
3357 lcd_hsync_start = (lcd_hsync_start + 1) * 8;
3358 par->lcd_hsync_len = par->lcd_hsync_len * 8;
3364 par->lcd_right_margin = lcd_hsync_start - par->lcd_hdisp;
3365 par->lcd_lower_margin = lcd_vsync_start - par->lcd_vdisp;
3366 par->lcd_hblank_len = par->lcd_htotal - par->lcd_hdisp;
3367 par->lcd_vblank_len = par->lcd_vtotal - par->lcd_vdisp;
3373 if (*lcdmodeptr == 0) {
3374 PRINTKE("LCD monitor CRTC parameters not found!!!\n");
3375 /* To do: Switch to CRT if possible. */
3377 PRINTKI(" LCD CRTC parameters: %d.%d %d %d %d %d %d %d %d %d\n",
3378 1000000 / par->lcd_pixclock, 1000000 % par->lcd_pixclock,
3380 par->lcd_hdisp + par->lcd_right_margin,
3381 par->lcd_hdisp + par->lcd_right_margin
3382 + par->lcd_hsync_dly + par->lcd_hsync_len,
3385 par->lcd_vdisp + par->lcd_lower_margin,
3386 par->lcd_vdisp + par->lcd_lower_margin + par->lcd_vsync_len,
3388 PRINTKI(" : %d %d %d %d %d %d %d %d %d\n",
3390 par->lcd_hblank_len - (par->lcd_right_margin +
3391 par->lcd_hsync_dly + par->lcd_hsync_len),
3393 par->lcd_right_margin,
3395 par->lcd_vblank_len - (par->lcd_lower_margin + par->lcd_vsync_len),
3397 par->lcd_lower_margin,
3398 par->lcd_vsync_len);
3402 #endif /* CONFIG_FB_ATY_GENERIC_LCD */
3404 static int __devinit init_from_bios(struct atyfb_par *par)
3406 u32 bios_base, rom_addr;
3409 rom_addr = 0xc0000 + ((aty_ld_le32(SCRATCH_REG1, par) & 0x7f) << 11);
3410 bios_base = (unsigned long)ioremap(rom_addr, 0x10000);
3412 /* The BIOS starts with 0xaa55. */
3413 if (*((u16 *)bios_base) == 0xaa55) {
3416 u16 rom_table_offset, freq_table_offset;
3417 PLL_BLOCK_MACH64 pll_block;
3419 PRINTKI("Mach64 BIOS is located at %x, mapped at %x.\n", rom_addr, bios_base);
3421 /* check for frequncy table */
3422 bios_ptr = (u8*)bios_base;
3423 rom_table_offset = (u16)(bios_ptr[0x48] | (bios_ptr[0x49] << 8));
3424 freq_table_offset = bios_ptr[rom_table_offset + 16] | (bios_ptr[rom_table_offset + 17] << 8);
3425 memcpy(&pll_block, bios_ptr + freq_table_offset, sizeof(PLL_BLOCK_MACH64));
3427 PRINTKI("BIOS frequency table:\n");
3428 PRINTKI("PCLK_min_freq %d, PCLK_max_freq %d, ref_freq %d, ref_divider %d\n",
3429 pll_block.PCLK_min_freq, pll_block.PCLK_max_freq,
3430 pll_block.ref_freq, pll_block.ref_divider);
3431 PRINTKI("MCLK_pwd %d, MCLK_max_freq %d, XCLK_max_freq %d, SCLK_freq %d\n",
3432 pll_block.MCLK_pwd, pll_block.MCLK_max_freq,
3433 pll_block.XCLK_max_freq, pll_block.SCLK_freq);
3435 par->pll_limits.pll_min = pll_block.PCLK_min_freq/100;
3436 par->pll_limits.pll_max = pll_block.PCLK_max_freq/100;
3437 par->pll_limits.ref_clk = pll_block.ref_freq/100;
3438 par->pll_limits.ref_div = pll_block.ref_divider;
3439 par->pll_limits.sclk = pll_block.SCLK_freq/100;
3440 par->pll_limits.mclk = pll_block.MCLK_max_freq/100;
3441 par->pll_limits.mclk_pm = pll_block.MCLK_pwd/100;
3442 par->pll_limits.xclk = pll_block.XCLK_max_freq/100;
3443 #ifdef CONFIG_FB_ATY_GENERIC_LCD
3444 aty_init_lcd(par, bios_base);
3448 PRINTKE("no BIOS frequency table found, use parameters\n");
3451 iounmap((void* __iomem )bios_base);
3455 #endif /* __i386__ */
3457 static int __devinit atyfb_setup_generic(struct pci_dev *pdev, struct fb_info *info, unsigned long addr)
3459 struct atyfb_par *par = info->par;
3461 unsigned long raddr;
3462 struct resource *rrp;
3465 raddr = addr + 0x7ff000UL;
3466 rrp = &pdev->resource[2];
3467 if ((rrp->flags & IORESOURCE_MEM) && request_mem_region(rrp->start, rrp->end - rrp->start + 1, "atyfb")) {
3468 par->aux_start = rrp->start;
3469 par->aux_size = rrp->end - rrp->start + 1;
3471 PRINTKI("using auxiliary register aperture\n");
3474 info->fix.mmio_start = raddr;
3475 par->ati_regbase = ioremap(info->fix.mmio_start, 0x1000);
3476 if (par->ati_regbase == 0)
3479 info->fix.mmio_start += par->aux_start ? 0x400 : 0xc00;
3480 par->ati_regbase += par->aux_start ? 0x400 : 0xc00;
3483 * Enable memory-space accesses using config-space
3486 pci_read_config_word(pdev, PCI_COMMAND, &tmp);
3487 if (!(tmp & PCI_COMMAND_MEMORY)) {
3488 tmp |= PCI_COMMAND_MEMORY;
3489 pci_write_config_word(pdev, PCI_COMMAND, tmp);
3492 /* Use the big-endian aperture */
3496 /* Map in frame buffer */
3497 info->fix.smem_start = addr;
3498 info->screen_base = ioremap(addr, 0x800000);
3499 if (info->screen_base == NULL) {
3501 goto atyfb_setup_generic_fail;
3504 if((ret = correct_chipset(par)))
3505 goto atyfb_setup_generic_fail;
3507 if((ret = init_from_bios(par)))
3508 goto atyfb_setup_generic_fail;
3510 if (!(aty_ld_le32(CRTC_GEN_CNTL, par) & CRTC_EXT_DISP_EN))
3511 par->clk_wr_offset = (inb(R_GENMO) & 0x0CU) >> 2;
3513 par->clk_wr_offset = aty_ld_8(CLOCK_CNTL, par) & 0x03U;
3515 /* according to ATI, we should use clock 3 for acelerated mode */
3516 par->clk_wr_offset = 3;
3520 atyfb_setup_generic_fail:
3521 iounmap(par->ati_regbase);
3522 par->ati_regbase = NULL;
3526 #endif /* !__sparc__ */
3528 static int __devinit atyfb_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
3530 unsigned long addr, res_start, res_size;
3531 struct fb_info *info;
3532 struct resource *rp;
3533 struct atyfb_par *par;
3534 int i, rc = -ENOMEM;
3536 for (i = ARRAY_SIZE(aty_chips) - 1; i >= 0; i--)
3537 if (pdev->device == aty_chips[i].pci_id)
3543 /* Enable device in PCI config */
3544 if (pci_enable_device(pdev)) {
3545 PRINTKE("Cannot enable PCI device\n");
3549 /* Find which resource to use */
3550 rp = &pdev->resource[0];
3551 if (rp->flags & IORESOURCE_IO)
3552 rp = &pdev->resource[1];
3558 res_start = rp->start;
3559 res_size = rp->end - rp->start + 1;
3560 if (!request_mem_region (res_start, res_size, "atyfb"))
3563 /* Allocate framebuffer */
3564 info = framebuffer_alloc(sizeof(struct atyfb_par), &pdev->dev);
3566 PRINTKE("atyfb_pci_probe() can't alloc fb_info\n");
3570 info->fix = atyfb_fix;
3571 info->device = &pdev->dev;
3572 par->pci_id = aty_chips[i].pci_id;
3573 par->res_start = res_start;
3574 par->res_size = res_size;
3575 par->irq = pdev->irq;
3578 /* Setup "info" structure */
3580 rc = atyfb_setup_sparc(pdev, info, addr);
3582 rc = atyfb_setup_generic(pdev, info, addr);
3585 goto err_release_mem;
3587 pci_set_drvdata(pdev, info);
3589 /* Init chip & register framebuffer */
3590 if (aty_init(info, "PCI"))
3591 goto err_release_io;
3595 prom_palette = atyfb_palette;
3598 * Add /dev/fb mmap values.
3600 par->mmap_map[0].voff = 0x8000000000000000UL;
3601 par->mmap_map[0].poff = (unsigned long) info->screen_base & PAGE_MASK;
3602 par->mmap_map[0].size = info->fix.smem_len;
3603 par->mmap_map[0].prot_mask = _PAGE_CACHE;
3604 par->mmap_map[0].prot_flag = _PAGE_E;
3605 par->mmap_map[1].voff = par->mmap_map[0].voff + info->fix.smem_len;
3606 par->mmap_map[1].poff = (long)par->ati_regbase & PAGE_MASK;
3607 par->mmap_map[1].size = PAGE_SIZE;
3608 par->mmap_map[1].prot_mask = _PAGE_CACHE;
3609 par->mmap_map[1].prot_flag = _PAGE_E;
3610 #endif /* __sparc__ */
3616 kfree(par->mmap_map);
3618 if (par->ati_regbase)
3619 iounmap(par->ati_regbase);
3620 if (info->screen_base)
3621 iounmap(info->screen_base);
3625 release_mem_region(par->aux_start, par->aux_size);
3627 release_mem_region(par->res_start, par->res_size);
3628 framebuffer_release(info);
3633 #endif /* CONFIG_PCI */
3637 static int __devinit atyfb_atari_probe(void)
3639 struct atyfb_par *par;
3640 struct fb_info *info;
3644 for (m64_num = 0; m64_num < mach64_count; m64_num++) {
3645 if (!phys_vmembase[m64_num] || !phys_size[m64_num] ||
3646 !phys_guiregbase[m64_num]) {
3647 PRINTKI("phys_*[%d] parameters not set => returning early. \n", m64_num);
3651 info = framebuffer_alloc(sizeof(struct atyfb_par), NULL);
3653 PRINTKE("atyfb_atari_probe() can't alloc fb_info\n");
3658 info->fix = atyfb_fix;
3660 par->irq = (unsigned int) -1; /* something invalid */
3663 * Map the video memory (physical address given) to somewhere in the
3664 * kernel address space.
3666 info->screen_base = ioremap(phys_vmembase[m64_num], phys_size[m64_num]);
3667 info->fix.smem_start = (unsigned long)info->screen_base; /* Fake! */
3668 par->ati_regbase = ioremap(phys_guiregbase[m64_num], 0x10000) +
3670 info->fix.mmio_start = (unsigned long)par->ati_regbase; /* Fake! */
3672 aty_st_le32(CLOCK_CNTL, 0x12345678, par);
3673 clock_r = aty_ld_le32(CLOCK_CNTL, par);
3675 switch (clock_r & 0x003F) {
3677 par->clk_wr_offset = 3; /* */
3680 par->clk_wr_offset = 2; /* Medusa ST-IO ISA Adapter etc. */
3683 par->clk_wr_offset = 1; /* */
3686 par->clk_wr_offset = 0; /* Panther 1 ISA Adapter (Gerald) */
3690 if (aty_init(info, "ISA bus")) {
3691 framebuffer_release(info);
3692 /* This is insufficient! kernel_map has added two large chunks!! */
3698 #endif /* CONFIG_ATARI */
3700 static void __devexit atyfb_remove(struct fb_info *info)
3702 struct atyfb_par *par = (struct atyfb_par *) info->par;
3704 /* restore video mode */
3705 aty_set_crtc(par, &saved_crtc);
3706 par->pll_ops->set_pll(info, &saved_pll);
3708 #ifdef CONFIG_FB_ATY_BACKLIGHT
3709 if (M64_HAS(MOBIL_BUS))
3713 unregister_framebuffer(info);
3716 if (par->mtrr_reg >= 0) {
3717 mtrr_del(par->mtrr_reg, 0, 0);
3720 if (par->mtrr_aper >= 0) {
3721 mtrr_del(par->mtrr_aper, 0, 0);
3722 par->mtrr_aper = -1;
3726 if (par->ati_regbase)
3727 iounmap(par->ati_regbase);
3728 if (info->screen_base)
3729 iounmap(info->screen_base);
3731 if (info->sprite.addr)
3732 iounmap(info->sprite.addr);
3736 kfree(par->mmap_map);
3739 release_mem_region(par->aux_start, par->aux_size);
3742 release_mem_region(par->res_start, par->res_size);
3744 framebuffer_release(info);
3749 static void __devexit atyfb_pci_remove(struct pci_dev *pdev)
3751 struct fb_info *info = pci_get_drvdata(pdev);
3757 * This driver uses its own matching table. That will be more difficult
3758 * to fix, so for now, we just match against any ATI ID and let the
3759 * probe() function find out what's up. That also mean we don't have
3760 * a module ID table though.
3762 static struct pci_device_id atyfb_pci_tbl[] = {
3763 { PCI_VENDOR_ID_ATI, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
3764 PCI_BASE_CLASS_DISPLAY << 16, 0xff0000, 0 },
3768 static struct pci_driver atyfb_driver = {
3770 .id_table = atyfb_pci_tbl,
3771 .probe = atyfb_pci_probe,
3772 .remove = __devexit_p(atyfb_pci_remove),
3774 .suspend = atyfb_pci_suspend,
3775 .resume = atyfb_pci_resume,
3776 #endif /* CONFIG_PM */
3779 #endif /* CONFIG_PCI */
3782 static int __devinit atyfb_setup(char *options)
3786 if (!options || !*options)
3789 while ((this_opt = strsep(&options, ",")) != NULL) {
3790 if (!strncmp(this_opt, "noaccel", 7)) {
3793 } else if (!strncmp(this_opt, "nomtrr", 6)) {
3796 } else if (!strncmp(this_opt, "vram:", 5))
3797 vram = simple_strtoul(this_opt + 5, NULL, 0);
3798 else if (!strncmp(this_opt, "pll:", 4))
3799 pll = simple_strtoul(this_opt + 4, NULL, 0);
3800 else if (!strncmp(this_opt, "mclk:", 5))
3801 mclk = simple_strtoul(this_opt + 5, NULL, 0);
3802 else if (!strncmp(this_opt, "xclk:", 5))
3803 xclk = simple_strtoul(this_opt+5, NULL, 0);
3804 else if (!strncmp(this_opt, "comp_sync:", 10))
3805 comp_sync = simple_strtoul(this_opt+10, NULL, 0);
3807 else if (!strncmp(this_opt, "vmode:", 6)) {
3808 unsigned int vmode =
3809 simple_strtoul(this_opt + 6, NULL, 0);
3810 if (vmode > 0 && vmode <= VMODE_MAX)
3811 default_vmode = vmode;
3812 } else if (!strncmp(this_opt, "cmode:", 6)) {
3813 unsigned int cmode =
3814 simple_strtoul(this_opt + 6, NULL, 0);
3818 default_cmode = CMODE_8;
3822 default_cmode = CMODE_16;
3826 default_cmode = CMODE_32;
3833 * Why do we need this silly Mach64 argument?
3834 * We are already here because of mach64= so its redundant.
3836 else if (MACH_IS_ATARI
3837 && (!strncmp(this_opt, "Mach64:", 7))) {
3838 static unsigned char m64_num;
3839 static char mach64_str[80];
3840 strlcpy(mach64_str, this_opt + 7, sizeof(mach64_str));
3841 if (!store_video_par(mach64_str, m64_num)) {
3843 mach64_count = m64_num;
3854 static int __devinit atyfb_init(void)
3857 char *option = NULL;
3859 if (fb_get_options("atyfb", &option))
3861 atyfb_setup(option);
3865 pci_register_driver(&atyfb_driver);
3868 atyfb_atari_probe();
3873 static void __exit atyfb_exit(void)
3876 pci_unregister_driver(&atyfb_driver);
3880 module_init(atyfb_init);
3881 module_exit(atyfb_exit);
3883 MODULE_DESCRIPTION("FBDev driver for ATI Mach64 cards");
3884 MODULE_LICENSE("GPL");
3885 module_param(noaccel, bool, 0);
3886 MODULE_PARM_DESC(noaccel, "bool: disable acceleration");
3887 module_param(vram, int, 0);
3888 MODULE_PARM_DESC(vram, "int: override size of video ram");
3889 module_param(pll, int, 0);
3890 MODULE_PARM_DESC(pll, "int: override video clock");
3891 module_param(mclk, int, 0);
3892 MODULE_PARM_DESC(mclk, "int: override memory clock");
3893 module_param(xclk, int, 0);
3894 MODULE_PARM_DESC(xclk, "int: override accelerated engine clock");
3895 module_param(comp_sync, int, 0);
3896 MODULE_PARM_DESC(comp_sync,
3897 "Set composite sync signal to low (0) or high (1)");
3898 module_param(mode, charp, 0);
3899 MODULE_PARM_DESC(mode, "Specify resolution as \"<xres>x<yres>[-<bpp>][@<refresh>]\" ");
3901 module_param(nomtrr, bool, 0);
3902 MODULE_PARM_DESC(nomtrr, "bool: disable use of MTRR registers");