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 every time 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>
48 #if defined(CONFIG_PPC_PMAC)
50 #include "../macmodes.h"
56 #define DBG(x) printk(KERN_DEBUG "matroxfb: %s\n", (x));
58 #ifdef MATROXFB_DEBUG_HEAVY
59 #define DBG_HEAVY(x) DBG(x)
60 #else /* MATROXFB_DEBUG_HEAVY */
61 #define DBG_HEAVY(x) /* DBG_HEAVY */
62 #endif /* MATROXFB_DEBUG_HEAVY */
64 #ifdef MATROXFB_DEBUG_LOOP
65 #define DBG_LOOP(x) DBG(x)
66 #else /* MATROXFB_DEBUG_LOOP */
67 #define DBG_LOOP(x) /* DBG_LOOP */
68 #endif /* MATROXFB_DEBUG_LOOP */
70 #ifdef MATROXFB_DEBUG_REG
71 #define DBG_REG(x) DBG(x)
72 #else /* MATROXFB_DEBUG_REG */
73 #define DBG_REG(x) /* DBG_REG */
74 #endif /* MATROXFB_DEBUG_REG */
76 #else /* MATROXFB_DEBUG */
78 #define DBG(x) /* DBG */
79 #define DBG_HEAVY(x) /* DBG_HEAVY */
80 #define DBG_REG(x) /* DBG_REG */
81 #define DBG_LOOP(x) /* DBG_LOOP */
83 #endif /* MATROXFB_DEBUG */
86 #define dprintk(X...) printk(X)
91 #ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
92 #define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF 0x110A
94 #ifndef PCI_SS_VENDOR_ID_MATROX
95 #define PCI_SS_VENDOR_ID_MATROX PCI_VENDOR_ID_MATROX
98 #ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
99 #define PCI_SS_ID_MATROX_GENERIC 0xFF00
100 #define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP 0xFF01
101 #define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP 0xFF02
102 #define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP 0xFF03
103 #define PCI_SS_ID_MATROX_MARVEL_G200_AGP 0xFF04
104 #define PCI_SS_ID_MATROX_MGA_G100_PCI 0xFF05
105 #define PCI_SS_ID_MATROX_MGA_G100_AGP 0x1001
106 #define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP 0x2179
107 #define PCI_SS_ID_SIEMENS_MGA_G100_AGP 0x001E /* 30 */
108 #define PCI_SS_ID_SIEMENS_MGA_G200_AGP 0x0032 /* 50 */
111 #define MX_VISUAL_TRUECOLOR FB_VISUAL_DIRECTCOLOR
112 #define MX_VISUAL_DIRECTCOLOR FB_VISUAL_TRUECOLOR
113 #define MX_VISUAL_PSEUDOCOLOR FB_VISUAL_PSEUDOCOLOR
115 #define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
117 /* G-series and Mystique have (almost) same DAC */
119 #if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G)
120 #define NEED_DAC1064 1
127 static inline unsigned int mga_readb(vaddr_t va
, unsigned int offs
) {
128 return readb(va
.vaddr
+ offs
);
131 static inline void mga_writeb(vaddr_t va
, unsigned int offs
, u_int8_t value
) {
132 writeb(value
, va
.vaddr
+ offs
);
135 static inline void mga_writew(vaddr_t va
, unsigned int offs
, u_int16_t value
) {
136 writew(value
, va
.vaddr
+ offs
);
139 static inline u_int32_t
mga_readl(vaddr_t va
, unsigned int offs
) {
140 return readl(va
.vaddr
+ offs
);
143 static inline void mga_writel(vaddr_t va
, unsigned int offs
, u_int32_t value
) {
144 writel(value
, va
.vaddr
+ offs
);
147 static inline void mga_memcpy_toio(vaddr_t va
, const void* src
, int len
) {
148 #if defined(__alpha__) || defined(__i386__) || defined(__x86_64__)
150 * iowrite32_rep works for us if:
151 * (1) Copies data as 32bit quantities, not byte after byte,
152 * (2) Performs LE ordered stores, and
153 * (3) It copes with unaligned source (destination is guaranteed to be page
154 * aligned and length is guaranteed to be multiple of 4).
156 iowrite32_rep(va
.vaddr
, src
, len
>> 2);
158 u_int32_t __iomem
* addr
= va
.vaddr
;
160 if ((unsigned long)src
& 3) {
162 fb_writel(get_unaligned((u32
*)src
), addr
);
169 fb_writel(*(u32
*)src
, addr
);
178 static inline void vaddr_add(vaddr_t
* va
, unsigned long offs
) {
182 static inline void __iomem
* vaddr_va(vaddr_t va
) {
187 unsigned int pixclock
;
190 unsigned int HDisplay
;
191 unsigned int HSyncStart
;
192 unsigned int HSyncEnd
;
194 unsigned int VDisplay
;
195 unsigned int VSyncStart
;
196 unsigned int VSyncEnd
;
201 unsigned int delay
; /* CRTC delay */
204 enum { M_SYSTEM_PLL
, M_PIXEL_PLL_A
, M_PIXEL_PLL_B
, M_PIXEL_PLL_C
, M_VIDEO_PLL
};
206 struct matrox_pll_cache
{
209 unsigned int mnp_key
;
210 unsigned int mnp_value
;
214 struct matrox_pll_limits
{
219 struct matrox_pll_features
{
220 unsigned int vco_freq_min
;
221 unsigned int ref_freq
;
222 unsigned int feed_div_min
;
223 unsigned int feed_div_max
;
224 unsigned int in_div_min
;
225 unsigned int in_div_max
;
226 unsigned int post_shift_max
;
231 unsigned int final_bppShift
;
232 unsigned int cmap_len
;
240 struct matrox_fb_info
;
242 struct matrox_DAC1064_features
{
247 /* current hardware status */
259 struct matrox_crtc2
{
263 struct matrox_hw_state
{
264 u_int32_t MXoptionReg
;
265 unsigned char DACclk
[6];
266 unsigned char DACreg
[80];
267 unsigned char MiscOutReg
;
268 unsigned char DACpal
[768];
269 unsigned char CRTC
[25];
270 unsigned char CRTCEXT
[9];
271 unsigned char SEQ
[5];
272 /* unused for MGA mode, but who knows... */
273 unsigned char GCTL
[9];
274 /* unused for MGA mode, but who knows... */
275 unsigned char ATTR
[21];
278 struct mavenregs maven
;
280 struct matrox_crtc2 crtc2
;
283 struct matrox_accel_data
{
284 #ifdef CONFIG_FB_MATROX_MILLENIUM
285 unsigned char ramdac_rev
;
287 u_int32_t m_dwg_rect
;
293 struct v4l2_queryctrl
;
296 struct matrox_altout
{
298 int (*compute
)(void* altout_dev
, struct my_timming
* input
);
299 int (*program
)(void* altout_dev
);
300 int (*start
)(void* altout_dev
);
301 int (*verifymode
)(void* altout_dev
, u_int32_t mode
);
302 int (*getqueryctrl
)(void* altout_dev
,
303 struct v4l2_queryctrl
* ctrl
);
304 int (*getctrl
)(void* altout_dev
,
305 struct v4l2_control
* ctrl
);
306 int (*setctrl
)(void* altout_dev
,
307 struct v4l2_control
* ctrl
);
310 #define MATROXFB_SRC_NONE 0
311 #define MATROXFB_SRC_CRTC1 1
312 #define MATROXFB_SRC_CRTC2 2
314 enum mga_chip
{ MGA_2064
, MGA_2164
, MGA_1064
, MGA_1164
, MGA_G100
, MGA_G200
, MGA_G400
, MGA_G450
, MGA_G550
};
317 unsigned int bios_valid
: 1;
318 unsigned int pins_len
;
319 unsigned char pins
[128];
321 unsigned char vMaj
, vMin
, vRev
;
324 unsigned char state
, tvout
;
328 struct matrox_switch
;
329 struct matroxfb_driver
;
330 struct matroxfb_dh_fb_info
;
332 struct matrox_vsync
{
333 wait_queue_head_t wait
;
337 struct matrox_fb_info
{
338 struct fb_info fbcon
;
340 struct list_head next_fb
;
344 unsigned int usecount
;
346 unsigned int userusecount
;
347 unsigned long irq_flags
;
349 struct matroxfb_par curr
;
350 struct matrox_hw_state hw
;
352 struct matrox_accel_data accel
;
354 struct pci_dev
* pcidev
;
357 struct matrox_vsync vsync
;
358 unsigned int pixclock
;
363 struct matrox_vsync vsync
;
364 unsigned int pixclock
;
366 struct matroxfb_dh_fb_info
* info
;
367 struct rw_semaphore lock
;
370 struct rw_semaphore lock
;
372 int brightness
, contrast
, saturation
, hue
, gamma
;
373 int testout
, deflicker
;
376 #define MATROXFB_MAX_OUTPUTS 3
379 struct matrox_altout
* output
;
382 unsigned int default_src
;
383 } outputs
[MATROXFB_MAX_OUTPUTS
];
385 #define MATROXFB_MAX_FB_DRIVERS 5
386 struct matroxfb_driver
* (drivers
[MATROXFB_MAX_FB_DRIVERS
]);
387 void* (drivers_data
[MATROXFB_MAX_FB_DRIVERS
]);
388 unsigned int drivers_count
;
391 unsigned long base
; /* physical */
392 vaddr_t vbase
; /* CPU view */
394 unsigned int len_usable
;
395 unsigned int len_maximum
;
399 unsigned long base
; /* physical */
400 vaddr_t vbase
; /* CPU view */
404 unsigned int max_pixel_clock
;
405 unsigned int max_pixel_clock_panellink
;
407 struct matrox_switch
* hw_switch
;
410 struct matrox_pll_features pll
;
411 struct matrox_DAC1064_features DAC1064
;
447 unsigned int vgastep
;
448 unsigned int textmode
;
449 unsigned int textstep
;
450 unsigned int textvram
; /* character cells */
451 unsigned int ydstorg
; /* offset in bytes from video start to usable memory */
452 /* 0 except for 6MB Millenium */
456 int panellink
; /* G400 DFP possible (not G450/G550) */
458 unsigned int fbResource
;
461 struct matrox_bios bios
;
463 struct matrox_pll_limits pixel
;
464 struct matrox_pll_limits system
;
465 struct matrox_pll_limits video
;
468 struct matrox_pll_cache pixel
;
469 struct matrox_pll_cache system
;
470 struct matrox_pll_cache video
;
482 u_int32_t mctlwtst_core
;
496 #define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
498 struct matrox_switch
{
499 int (*preinit
)(struct matrox_fb_info
*minfo
);
500 void (*reset
)(struct matrox_fb_info
*minfo
);
501 int (*init
)(struct matrox_fb_info
*minfo
, struct my_timming
*);
502 void (*restore
)(struct matrox_fb_info
*minfo
);
505 struct matroxfb_driver
{
506 struct list_head node
;
508 void* (*probe
)(struct matrox_fb_info
* info
);
509 void (*remove
)(struct matrox_fb_info
* info
, void* data
);
512 int matroxfb_register_driver(struct matroxfb_driver
* drv
);
513 void matroxfb_unregister_driver(struct matroxfb_driver
* drv
);
515 #define PCI_OPTION_REG 0x40
516 #define PCI_OPTION_ENABLE_ROM 0x40000000
518 #define PCI_MGA_INDEX 0x44
519 #define PCI_MGA_DATA 0x48
520 #define PCI_OPTION2_REG 0x50
521 #define PCI_OPTION3_REG 0x54
522 #define PCI_MEMMISC_REG 0x58
524 #define M_DWGCTL 0x1C00
525 #define M_MACCESS 0x1C04
526 #define M_CTLWTST 0x1C08
528 #define M_PLNWT 0x1C1C
530 #define M_BCOL 0x1C20
531 #define M_FCOL 0x1C24
543 #define M_CXBNDRY 0x1C80
544 #define M_FXBNDRY 0x1C84
545 #define M_YDSTLEN 0x1C88
546 #define M_PITCH 0x1C8C
547 #define M_YDST 0x1C90
548 #define M_YDSTORG 0x1C94
549 #define M_YTOP 0x1C98
550 #define M_YBOT 0x1C9C
553 #define M_CACHEFLUSH 0x1FFF
555 #define M_EXEC 0x0100
557 #define M_DWG_TRAP 0x04
558 #define M_DWG_BITBLT 0x08
559 #define M_DWG_ILOAD 0x09
561 #define M_DWG_LINEAR 0x0080
562 #define M_DWG_SOLID 0x0800
563 #define M_DWG_ARZERO 0x1000
564 #define M_DWG_SGNZERO 0x2000
565 #define M_DWG_SHIFTZERO 0x4000
567 #define M_DWG_REPLACE 0x000C0000
568 #define M_DWG_REPLACE2 (M_DWG_REPLACE | 0x40)
569 #define M_DWG_XOR 0x00060010
571 #define M_DWG_BFCOL 0x04000000
572 #define M_DWG_BMONOWF 0x08000000
574 #define M_DWG_TRANSC 0x40000000
576 #define M_FIFOSTATUS 0x1E10
577 #define M_STATUS 0x1E14
578 #define M_ICLEAR 0x1E18
581 #define M_VCOUNT 0x1E20
583 #define M_RESET 0x1E40
584 #define M_MEMRDBK 0x1E44
586 #define M_AGP2PLL 0x1E4C
588 #define M_OPMODE 0x1E54
589 #define M_OPMODE_DMA_GEN_WRITE 0x00
590 #define M_OPMODE_DMA_BLIT 0x04
591 #define M_OPMODE_DMA_VECTOR_WRITE 0x08
592 #define M_OPMODE_DMA_LE 0x0000 /* little endian - no transformation */
593 #define M_OPMODE_DMA_BE_8BPP 0x0000
594 #define M_OPMODE_DMA_BE_16BPP 0x0100
595 #define M_OPMODE_DMA_BE_32BPP 0x0200
596 #define M_OPMODE_DIR_LE 0x000000 /* little endian - no transformation */
597 #define M_OPMODE_DIR_BE_8BPP 0x000000
598 #define M_OPMODE_DIR_BE_16BPP 0x010000
599 #define M_OPMODE_DIR_BE_32BPP 0x020000
601 #define M_ATTR_INDEX 0x1FC0
602 #define M_ATTR_DATA 0x1FC1
604 #define M_MISC_REG 0x1FC2
605 #define M_3C2_RD 0x1FC2
607 #define M_SEQ_INDEX 0x1FC4
608 #define M_SEQ_DATA 0x1FC5
610 #define M_SEQ1_SCROFF 0x20
612 #define M_MISC_REG_READ 0x1FCC
614 #define M_GRAPHICS_INDEX 0x1FCE
615 #define M_GRAPHICS_DATA 0x1FCF
617 #define M_CRTC_INDEX 0x1FD4
619 #define M_ATTR_RESET 0x1FDA
620 #define M_3DA_WR 0x1FDA
621 #define M_INSTS1 0x1FDA
623 #define M_EXTVGA_INDEX 0x1FDE
624 #define M_EXTVGA_DATA 0x1FDF
627 #define M_SRCORG 0x2CB4
628 #define M_DSTORG 0x2CB8
630 #define M_RAMDAC_BASE 0x3C00
632 /* fortunately, same on TVP3026 and MGA1064 */
633 #define M_DAC_REG (M_RAMDAC_BASE+0)
634 #define M_DAC_VAL (M_RAMDAC_BASE+1)
635 #define M_PALETTE_MASK (M_RAMDAC_BASE+2)
637 #define M_X_INDEX 0x00
638 #define M_X_DATAREG 0x0A
640 #define DAC_XGENIOCTRL 0x2A
641 #define DAC_XGENIODATA 0x2B
643 #define M_C2CTL 0x3C10
645 #define MX_OPTION_BSWAP 0x00000000
647 #ifdef __LITTLE_ENDIAN
648 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
649 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
650 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
651 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
652 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
655 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) /* TODO */
656 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT)
657 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
658 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT) /* TODO, ?32 */
659 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT)
661 #error "Byte ordering have to be defined. Cannot continue."
665 #define mga_inb(addr) mga_readb(minfo->mmio.vbase, (addr))
666 #define mga_inl(addr) mga_readl(minfo->mmio.vbase, (addr))
667 #define mga_outb(addr,val) mga_writeb(minfo->mmio.vbase, (addr), (val))
668 #define mga_outw(addr,val) mga_writew(minfo->mmio.vbase, (addr), (val))
669 #define mga_outl(addr,val) mga_writel(minfo->mmio.vbase, (addr), (val))
670 #define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1))
671 #define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port))
673 #define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
675 #define WaitTillIdle() do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
678 #ifdef CONFIG_FB_MATROX_MILLENIUM
679 #define isInterleave(x) (x->interleave)
680 #define isMillenium(x) (x->millenium)
681 #define isMilleniumII(x) (x->milleniumII)
683 #define isInterleave(x) (0)
684 #define isMillenium(x) (0)
685 #define isMilleniumII(x) (0)
688 #define matroxfb_DAC_lock() spin_lock(&minfo->lock.DAC)
689 #define matroxfb_DAC_unlock() spin_unlock(&minfo->lock.DAC)
690 #define matroxfb_DAC_lock_irqsave(flags) spin_lock_irqsave(&minfo->lock.DAC, flags)
691 #define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
692 extern void matroxfb_DAC_out(const struct matrox_fb_info
*minfo
, int reg
,
694 extern int matroxfb_DAC_in(const struct matrox_fb_info
*minfo
, int reg
);
695 extern void matroxfb_var2my(struct fb_var_screeninfo
* fvsi
, struct my_timming
* mt
);
696 extern int matroxfb_wait_for_sync(struct matrox_fb_info
*minfo
, u_int32_t crtc
);
697 extern int matroxfb_enable_irq(struct matrox_fb_info
*minfo
, int reenable
);
699 #ifdef MATROXFB_USE_SPINLOCKS
700 #define CRITBEGIN spin_lock_irqsave(&minfo->lock.accel, critflags);
701 #define CRITEND spin_unlock_irqrestore(&minfo->lock.accel, critflags);
702 #define CRITFLAGS unsigned long critflags;
709 #endif /* __MATROXFB_H__ */