3 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
5 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
11 /* general, but fairly heavy, debugging */
14 /* heavy debugging: */
15 /* -- logs putc[s], so everytime a char is displayed, it's logged */
16 #undef MATROXFB_DEBUG_HEAVY
18 /* This one _could_ cause infinite loops */
19 /* It _does_ cause lots and lots of messages during idle loops */
20 #undef MATROXFB_DEBUG_LOOP
22 /* Debug register calls, too? */
23 #undef MATROXFB_DEBUG_REG
25 /* Guard accelerator accesses with spin_lock_irqsave... */
26 #undef MATROXFB_USE_SPINLOCKS
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/errno.h>
31 #include <linux/string.h>
33 #include <linux/slab.h>
34 #include <linux/delay.h>
36 #include <linux/console.h>
37 #include <linux/selection.h>
38 #include <linux/ioport.h>
39 #include <linux/init.h>
40 #include <linux/timer.h>
41 #include <linux/pci.h>
42 #include <linux/spinlock.h>
46 #include <asm/unaligned.h>
51 #if defined(CONFIG_PPC_PMAC)
53 #include <asm/pci-bridge.h>
54 #include "../macmodes.h"
60 #define DBG(x) printk(KERN_DEBUG "matroxfb: %s\n", (x));
62 #ifdef MATROXFB_DEBUG_HEAVY
63 #define DBG_HEAVY(x) DBG(x)
64 #else /* MATROXFB_DEBUG_HEAVY */
65 #define DBG_HEAVY(x) /* DBG_HEAVY */
66 #endif /* MATROXFB_DEBUG_HEAVY */
68 #ifdef MATROXFB_DEBUG_LOOP
69 #define DBG_LOOP(x) DBG(x)
70 #else /* MATROXFB_DEBUG_LOOP */
71 #define DBG_LOOP(x) /* DBG_LOOP */
72 #endif /* MATROXFB_DEBUG_LOOP */
74 #ifdef MATROXFB_DEBUG_REG
75 #define DBG_REG(x) DBG(x)
76 #else /* MATROXFB_DEBUG_REG */
77 #define DBG_REG(x) /* DBG_REG */
78 #endif /* MATROXFB_DEBUG_REG */
80 #else /* MATROXFB_DEBUG */
82 #define DBG(x) /* DBG */
83 #define DBG_HEAVY(x) /* DBG_HEAVY */
84 #define DBG_REG(x) /* DBG_REG */
85 #define DBG_LOOP(x) /* DBG_LOOP */
87 #endif /* MATROXFB_DEBUG */
90 #define dprintk(X...) printk(X)
95 #ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
96 #define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF 0x110A
98 #ifndef PCI_SS_VENDOR_ID_MATROX
99 #define PCI_SS_VENDOR_ID_MATROX PCI_VENDOR_ID_MATROX
102 #ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
103 #define PCI_SS_ID_MATROX_GENERIC 0xFF00
104 #define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP 0xFF01
105 #define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP 0xFF02
106 #define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP 0xFF03
107 #define PCI_SS_ID_MATROX_MARVEL_G200_AGP 0xFF04
108 #define PCI_SS_ID_MATROX_MGA_G100_PCI 0xFF05
109 #define PCI_SS_ID_MATROX_MGA_G100_AGP 0x1001
110 #define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP 0x2179
111 #define PCI_SS_ID_SIEMENS_MGA_G100_AGP 0x001E /* 30 */
112 #define PCI_SS_ID_SIEMENS_MGA_G200_AGP 0x0032 /* 50 */
115 #define MX_VISUAL_TRUECOLOR FB_VISUAL_DIRECTCOLOR
116 #define MX_VISUAL_DIRECTCOLOR FB_VISUAL_TRUECOLOR
117 #define MX_VISUAL_PSEUDOCOLOR FB_VISUAL_PSEUDOCOLOR
119 #define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
121 /* G-series and Mystique have (almost) same DAC */
123 #if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G)
124 #define NEED_DAC1064 1
131 static inline unsigned int mga_readb(vaddr_t va, unsigned int offs) {
132 return readb(va.vaddr + offs);
135 static inline void mga_writeb(vaddr_t va, unsigned int offs, u_int8_t value) {
136 writeb(value, va.vaddr + offs);
139 static inline void mga_writew(vaddr_t va, unsigned int offs, u_int16_t value) {
140 writew(value, va.vaddr + offs);
143 static inline u_int32_t mga_readl(vaddr_t va, unsigned int offs) {
144 return readl(va.vaddr + offs);
147 static inline void mga_writel(vaddr_t va, unsigned int offs, u_int32_t value) {
148 writel(value, va.vaddr + offs);
151 static inline void mga_memcpy_toio(vaddr_t va, const void* src, int len) {
152 #if defined(__alpha__) || defined(__i386__) || defined(__x86_64__)
154 * memcpy_toio works for us if:
155 * (1) Copies data as 32bit quantities, not byte after byte,
156 * (2) Performs LE ordered stores, and
157 * (3) It copes with unaligned source (destination is guaranteed to be page
158 * aligned and length is guaranteed to be multiple of 4).
160 memcpy_toio(va.vaddr, src, len);
162 u_int32_t __iomem* addr = va.vaddr;
164 if ((unsigned long)src & 3) {
166 fb_writel(get_unaligned((u32 *)src), addr);
173 fb_writel(*(u32 *)src, addr);
182 static inline void vaddr_add(vaddr_t* va, unsigned long offs) {
186 static inline void __iomem* vaddr_va(vaddr_t va) {
190 #define MGA_IOREMAP_NORMAL 0
191 #define MGA_IOREMAP_NOCACHE 1
193 #define MGA_IOREMAP_FB MGA_IOREMAP_NOCACHE
194 #define MGA_IOREMAP_MMIO MGA_IOREMAP_NOCACHE
195 static inline int mga_ioremap(unsigned long phys, unsigned long size, int flags, vaddr_t* virt) {
196 if (flags & MGA_IOREMAP_NOCACHE)
197 virt->vaddr = ioremap_nocache(phys, size);
199 virt->vaddr = ioremap(phys, size);
200 return (virt->vaddr == NULL); /* 0, !0... 0, error_code in future */
203 static inline void mga_iounmap(vaddr_t va) {
208 unsigned int pixclock;
211 unsigned int HDisplay;
212 unsigned int HSyncStart;
213 unsigned int HSyncEnd;
215 unsigned int VDisplay;
216 unsigned int VSyncStart;
217 unsigned int VSyncEnd;
222 unsigned int delay; /* CRTC delay */
225 enum { M_SYSTEM_PLL, M_PIXEL_PLL_A, M_PIXEL_PLL_B, M_PIXEL_PLL_C, M_VIDEO_PLL };
227 struct matrox_pll_cache {
230 unsigned int mnp_key;
231 unsigned int mnp_value;
235 struct matrox_pll_limits {
240 struct matrox_pll_features {
241 unsigned int vco_freq_min;
242 unsigned int ref_freq;
243 unsigned int feed_div_min;
244 unsigned int feed_div_max;
245 unsigned int in_div_min;
246 unsigned int in_div_max;
247 unsigned int post_shift_max;
252 unsigned int final_bppShift;
253 unsigned int cmap_len;
261 struct matrox_fb_info;
263 struct matrox_DAC1064_features {
268 /* current hardware status */
280 struct matrox_crtc2 {
284 struct matrox_hw_state {
285 u_int32_t MXoptionReg;
286 unsigned char DACclk[6];
287 unsigned char DACreg[80];
288 unsigned char MiscOutReg;
289 unsigned char DACpal[768];
290 unsigned char CRTC[25];
291 unsigned char CRTCEXT[9];
292 unsigned char SEQ[5];
293 /* unused for MGA mode, but who knows... */
294 unsigned char GCTL[9];
295 /* unused for MGA mode, but who knows... */
296 unsigned char ATTR[21];
299 struct mavenregs maven;
301 struct matrox_crtc2 crtc2;
304 struct matrox_accel_data {
305 #ifdef CONFIG_FB_MATROX_MILLENIUM
306 unsigned char ramdac_rev;
308 u_int32_t m_dwg_rect;
312 struct v4l2_queryctrl;
315 struct matrox_altout {
317 int (*compute)(void* altout_dev, struct my_timming* input);
318 int (*program)(void* altout_dev);
319 int (*start)(void* altout_dev);
320 int (*verifymode)(void* altout_dev, u_int32_t mode);
321 int (*getqueryctrl)(void* altout_dev,
322 struct v4l2_queryctrl* ctrl);
323 int (*getctrl)(void* altout_dev,
324 struct v4l2_control* ctrl);
325 int (*setctrl)(void* altout_dev,
326 struct v4l2_control* ctrl);
329 #define MATROXFB_SRC_NONE 0
330 #define MATROXFB_SRC_CRTC1 1
331 #define MATROXFB_SRC_CRTC2 2
333 enum mga_chip { MGA_2064, MGA_2164, MGA_1064, MGA_1164, MGA_G100, MGA_G200, MGA_G400, MGA_G450, MGA_G550 };
336 unsigned int bios_valid : 1;
337 unsigned int pins_len;
338 unsigned char pins[128];
340 unsigned char vMaj, vMin, vRev;
343 unsigned char state, tvout;
347 struct matrox_switch;
348 struct matroxfb_driver;
349 struct matroxfb_dh_fb_info;
351 struct matrox_vsync {
352 wait_queue_head_t wait;
356 struct matrox_fb_info {
357 struct fb_info fbcon;
359 struct list_head next_fb;
363 unsigned int usecount;
365 unsigned int userusecount;
366 unsigned long irq_flags;
368 struct matroxfb_par curr;
369 struct matrox_hw_state hw;
371 struct matrox_accel_data accel;
373 struct pci_dev* pcidev;
376 struct matrox_vsync vsync;
377 unsigned int pixclock;
382 struct matrox_vsync vsync;
383 unsigned int pixclock;
385 struct matroxfb_dh_fb_info* info;
386 struct rw_semaphore lock;
389 struct rw_semaphore lock;
391 int brightness, contrast, saturation, hue, gamma;
392 int testout, deflicker;
395 #define MATROXFB_MAX_OUTPUTS 3
398 struct matrox_altout* output;
401 unsigned int default_src;
402 } outputs[MATROXFB_MAX_OUTPUTS];
404 #define MATROXFB_MAX_FB_DRIVERS 5
405 struct matroxfb_driver* (drivers[MATROXFB_MAX_FB_DRIVERS]);
406 void* (drivers_data[MATROXFB_MAX_FB_DRIVERS]);
407 unsigned int drivers_count;
410 unsigned long base; /* physical */
411 vaddr_t vbase; /* CPU view */
413 unsigned int len_usable;
414 unsigned int len_maximum;
418 unsigned long base; /* physical */
419 vaddr_t vbase; /* CPU view */
423 unsigned int max_pixel_clock;
424 unsigned int max_pixel_clock_panellink;
426 struct matrox_switch* hw_switch;
429 struct matrox_pll_features pll;
430 struct matrox_DAC1064_features DAC1064;
471 unsigned int vgastep;
472 unsigned int textmode;
473 unsigned int textstep;
474 unsigned int textvram; /* character cells */
475 unsigned int ydstorg; /* offset in bytes from video start to usable memory */
476 /* 0 except for 6MB Millenium */
480 int panellink; /* G400 DFP possible (not G450/G550) */
482 unsigned int fbResource;
485 struct matrox_bios bios;
487 struct matrox_pll_limits pixel;
488 struct matrox_pll_limits system;
489 struct matrox_pll_limits video;
492 struct matrox_pll_cache pixel;
493 struct matrox_pll_cache system;
494 struct matrox_pll_cache video;
506 u_int32_t mctlwtst_core;
520 #define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
522 struct matrox_switch {
523 int (*preinit)(struct matrox_fb_info *minfo);
524 void (*reset)(struct matrox_fb_info *minfo);
525 int (*init)(struct matrox_fb_info *minfo, struct my_timming*);
526 void (*restore)(struct matrox_fb_info *minfo);
529 struct matroxfb_driver {
530 struct list_head node;
532 void* (*probe)(struct matrox_fb_info* info);
533 void (*remove)(struct matrox_fb_info* info, void* data);
536 int matroxfb_register_driver(struct matroxfb_driver* drv);
537 void matroxfb_unregister_driver(struct matroxfb_driver* drv);
539 #define PCI_OPTION_REG 0x40
540 #define PCI_OPTION_ENABLE_ROM 0x40000000
542 #define PCI_MGA_INDEX 0x44
543 #define PCI_MGA_DATA 0x48
544 #define PCI_OPTION2_REG 0x50
545 #define PCI_OPTION3_REG 0x54
546 #define PCI_MEMMISC_REG 0x58
548 #define M_DWGCTL 0x1C00
549 #define M_MACCESS 0x1C04
550 #define M_CTLWTST 0x1C08
552 #define M_PLNWT 0x1C1C
554 #define M_BCOL 0x1C20
555 #define M_FCOL 0x1C24
567 #define M_CXBNDRY 0x1C80
568 #define M_FXBNDRY 0x1C84
569 #define M_YDSTLEN 0x1C88
570 #define M_PITCH 0x1C8C
571 #define M_YDST 0x1C90
572 #define M_YDSTORG 0x1C94
573 #define M_YTOP 0x1C98
574 #define M_YBOT 0x1C9C
577 #define M_CACHEFLUSH 0x1FFF
579 #define M_EXEC 0x0100
581 #define M_DWG_TRAP 0x04
582 #define M_DWG_BITBLT 0x08
583 #define M_DWG_ILOAD 0x09
585 #define M_DWG_LINEAR 0x0080
586 #define M_DWG_SOLID 0x0800
587 #define M_DWG_ARZERO 0x1000
588 #define M_DWG_SGNZERO 0x2000
589 #define M_DWG_SHIFTZERO 0x4000
591 #define M_DWG_REPLACE 0x000C0000
592 #define M_DWG_REPLACE2 (M_DWG_REPLACE | 0x40)
593 #define M_DWG_XOR 0x00060010
595 #define M_DWG_BFCOL 0x04000000
596 #define M_DWG_BMONOWF 0x08000000
598 #define M_DWG_TRANSC 0x40000000
600 #define M_FIFOSTATUS 0x1E10
601 #define M_STATUS 0x1E14
602 #define M_ICLEAR 0x1E18
605 #define M_VCOUNT 0x1E20
607 #define M_RESET 0x1E40
608 #define M_MEMRDBK 0x1E44
610 #define M_AGP2PLL 0x1E4C
612 #define M_OPMODE 0x1E54
613 #define M_OPMODE_DMA_GEN_WRITE 0x00
614 #define M_OPMODE_DMA_BLIT 0x04
615 #define M_OPMODE_DMA_VECTOR_WRITE 0x08
616 #define M_OPMODE_DMA_LE 0x0000 /* little endian - no transformation */
617 #define M_OPMODE_DMA_BE_8BPP 0x0000
618 #define M_OPMODE_DMA_BE_16BPP 0x0100
619 #define M_OPMODE_DMA_BE_32BPP 0x0200
620 #define M_OPMODE_DIR_LE 0x000000 /* little endian - no transformation */
621 #define M_OPMODE_DIR_BE_8BPP 0x000000
622 #define M_OPMODE_DIR_BE_16BPP 0x010000
623 #define M_OPMODE_DIR_BE_32BPP 0x020000
625 #define M_ATTR_INDEX 0x1FC0
626 #define M_ATTR_DATA 0x1FC1
628 #define M_MISC_REG 0x1FC2
629 #define M_3C2_RD 0x1FC2
631 #define M_SEQ_INDEX 0x1FC4
632 #define M_SEQ_DATA 0x1FC5
634 #define M_SEQ1_SCROFF 0x20
636 #define M_MISC_REG_READ 0x1FCC
638 #define M_GRAPHICS_INDEX 0x1FCE
639 #define M_GRAPHICS_DATA 0x1FCF
641 #define M_CRTC_INDEX 0x1FD4
643 #define M_ATTR_RESET 0x1FDA
644 #define M_3DA_WR 0x1FDA
645 #define M_INSTS1 0x1FDA
647 #define M_EXTVGA_INDEX 0x1FDE
648 #define M_EXTVGA_DATA 0x1FDF
651 #define M_SRCORG 0x2CB4
652 #define M_DSTORG 0x2CB8
654 #define M_RAMDAC_BASE 0x3C00
656 /* fortunately, same on TVP3026 and MGA1064 */
657 #define M_DAC_REG (M_RAMDAC_BASE+0)
658 #define M_DAC_VAL (M_RAMDAC_BASE+1)
659 #define M_PALETTE_MASK (M_RAMDAC_BASE+2)
661 #define M_X_INDEX 0x00
662 #define M_X_DATAREG 0x0A
664 #define DAC_XGENIOCTRL 0x2A
665 #define DAC_XGENIODATA 0x2B
667 #define M_C2CTL 0x3C10
669 #define MX_OPTION_BSWAP 0x00000000
671 #ifdef __LITTLE_ENDIAN
672 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
673 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
674 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
675 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
676 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
679 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) /* TODO */
680 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT)
681 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
682 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT) /* TODO, ?32 */
683 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT)
685 #error "Byte ordering have to be defined. Cannot continue."
689 #define mga_inb(addr) mga_readb(minfo->mmio.vbase, (addr))
690 #define mga_inl(addr) mga_readl(minfo->mmio.vbase, (addr))
691 #define mga_outb(addr,val) mga_writeb(minfo->mmio.vbase, (addr), (val))
692 #define mga_outw(addr,val) mga_writew(minfo->mmio.vbase, (addr), (val))
693 #define mga_outl(addr,val) mga_writel(minfo->mmio.vbase, (addr), (val))
694 #define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1))
695 #define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port))
697 #define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
699 #define WaitTillIdle() do {} while (mga_inl(M_STATUS) & 0x10000)
702 #ifdef CONFIG_FB_MATROX_MILLENIUM
703 #define isInterleave(x) (x->interleave)
704 #define isMillenium(x) (x->millenium)
705 #define isMilleniumII(x) (x->milleniumII)
707 #define isInterleave(x) (0)
708 #define isMillenium(x) (0)
709 #define isMilleniumII(x) (0)
712 #define matroxfb_DAC_lock() spin_lock(&minfo->lock.DAC)
713 #define matroxfb_DAC_unlock() spin_unlock(&minfo->lock.DAC)
714 #define matroxfb_DAC_lock_irqsave(flags) spin_lock_irqsave(&minfo->lock.DAC, flags)
715 #define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
716 extern void matroxfb_DAC_out(const struct matrox_fb_info *minfo, int reg,
718 extern int matroxfb_DAC_in(const struct matrox_fb_info *minfo, int reg);
719 extern void matroxfb_var2my(struct fb_var_screeninfo* fvsi, struct my_timming* mt);
720 extern int matroxfb_wait_for_sync(struct matrox_fb_info *minfo, u_int32_t crtc);
721 extern int matroxfb_enable_irq(struct matrox_fb_info *minfo, int reenable);
723 #ifdef MATROXFB_USE_SPINLOCKS
724 #define CRITBEGIN spin_lock_irqsave(&minfo->lock.accel, critflags);
725 #define CRITEND spin_unlock_irqrestore(&minfo->lock.accel, critflags);
726 #define CRITFLAGS unsigned long critflags;
733 #endif /* __MATROXFB_H__ */