1 /* SPDX-License-Identifier: GPL-2.0 */
4 * Hardware accelerated Matrox Millennium I, II, Mystique, G100, G200, G400 and G450
6 * (c) 1998-2002 Petr Vandrovec <vandrove@vc.cvut.cz>
10 #define __MATROXFB_H__
12 /* general, but fairly heavy, debugging */
15 /* heavy debugging: */
16 /* -- logs putc[s], so every time a char is displayed, it's logged */
17 #undef MATROXFB_DEBUG_HEAVY
19 /* This one _could_ cause infinite loops */
20 /* It _does_ cause lots and lots of messages during idle loops */
21 #undef MATROXFB_DEBUG_LOOP
23 /* Debug register calls, too? */
24 #undef MATROXFB_DEBUG_REG
26 /* Guard accelerator accesses with spin_lock_irqsave... */
27 #undef MATROXFB_USE_SPINLOCKS
29 #include <linux/module.h>
30 #include <linux/kernel.h>
31 #include <linux/errno.h>
32 #include <linux/string.h>
34 #include <linux/slab.h>
35 #include <linux/delay.h>
37 #include <linux/console.h>
38 #include <linux/selection.h>
39 #include <linux/ioport.h>
40 #include <linux/init.h>
41 #include <linux/timer.h>
42 #include <linux/pci.h>
43 #include <linux/spinlock.h>
47 #include <asm/unaligned.h>
49 #if defined(CONFIG_PPC_PMAC)
51 #include "../macmodes.h"
57 #define DBG(x) printk(KERN_DEBUG "matroxfb: %s\n", (x));
59 #ifdef MATROXFB_DEBUG_HEAVY
60 #define DBG_HEAVY(x) DBG(x)
61 #else /* MATROXFB_DEBUG_HEAVY */
62 #define DBG_HEAVY(x) /* DBG_HEAVY */
63 #endif /* MATROXFB_DEBUG_HEAVY */
65 #ifdef MATROXFB_DEBUG_LOOP
66 #define DBG_LOOP(x) DBG(x)
67 #else /* MATROXFB_DEBUG_LOOP */
68 #define DBG_LOOP(x) /* DBG_LOOP */
69 #endif /* MATROXFB_DEBUG_LOOP */
71 #ifdef MATROXFB_DEBUG_REG
72 #define DBG_REG(x) DBG(x)
73 #else /* MATROXFB_DEBUG_REG */
74 #define DBG_REG(x) /* DBG_REG */
75 #endif /* MATROXFB_DEBUG_REG */
77 #else /* MATROXFB_DEBUG */
79 #define DBG(x) /* DBG */
80 #define DBG_HEAVY(x) /* DBG_HEAVY */
81 #define DBG_REG(x) /* DBG_REG */
82 #define DBG_LOOP(x) /* DBG_LOOP */
84 #endif /* MATROXFB_DEBUG */
87 #define dprintk(X...) printk(X)
89 #define dprintk(X...) no_printk(X)
92 #ifndef PCI_SS_VENDOR_ID_SIEMENS_NIXDORF
93 #define PCI_SS_VENDOR_ID_SIEMENS_NIXDORF 0x110A
95 #ifndef PCI_SS_VENDOR_ID_MATROX
96 #define PCI_SS_VENDOR_ID_MATROX PCI_VENDOR_ID_MATROX
99 #ifndef PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP
100 #define PCI_SS_ID_MATROX_GENERIC 0xFF00
101 #define PCI_SS_ID_MATROX_PRODUCTIVA_G100_AGP 0xFF01
102 #define PCI_SS_ID_MATROX_MYSTIQUE_G200_AGP 0xFF02
103 #define PCI_SS_ID_MATROX_MILLENIUM_G200_AGP 0xFF03
104 #define PCI_SS_ID_MATROX_MARVEL_G200_AGP 0xFF04
105 #define PCI_SS_ID_MATROX_MGA_G100_PCI 0xFF05
106 #define PCI_SS_ID_MATROX_MGA_G100_AGP 0x1001
107 #define PCI_SS_ID_MATROX_MILLENNIUM_G400_MAX_AGP 0x2179
108 #define PCI_SS_ID_SIEMENS_MGA_G100_AGP 0x001E /* 30 */
109 #define PCI_SS_ID_SIEMENS_MGA_G200_AGP 0x0032 /* 50 */
112 #define MX_VISUAL_TRUECOLOR FB_VISUAL_DIRECTCOLOR
113 #define MX_VISUAL_DIRECTCOLOR FB_VISUAL_TRUECOLOR
114 #define MX_VISUAL_PSEUDOCOLOR FB_VISUAL_PSEUDOCOLOR
116 #define CNVT_TOHW(val,width) ((((val)<<(width))+0x7FFF-(val))>>16)
118 /* G-series and Mystique have (almost) same DAC */
120 #if defined(CONFIG_FB_MATROX_MYSTIQUE) || defined(CONFIG_FB_MATROX_G)
121 #define NEED_DAC1064 1
128 static inline unsigned int mga_readb(vaddr_t va
, unsigned int offs
) {
129 return readb(va
.vaddr
+ offs
);
132 static inline void mga_writeb(vaddr_t va
, unsigned int offs
, u_int8_t value
) {
133 writeb(value
, va
.vaddr
+ offs
);
136 static inline void mga_writew(vaddr_t va
, unsigned int offs
, u_int16_t value
) {
137 writew(value
, va
.vaddr
+ offs
);
140 static inline u_int32_t
mga_readl(vaddr_t va
, unsigned int offs
) {
141 return readl(va
.vaddr
+ offs
);
144 static inline void mga_writel(vaddr_t va
, unsigned int offs
, u_int32_t value
) {
145 writel(value
, va
.vaddr
+ offs
);
148 static inline void mga_memcpy_toio(vaddr_t va
, const void* src
, int len
) {
149 #if defined(__alpha__) || defined(__i386__) || defined(__x86_64__)
151 * iowrite32_rep works for us if:
152 * (1) Copies data as 32bit quantities, not byte after byte,
153 * (2) Performs LE ordered stores, and
154 * (3) It copes with unaligned source (destination is guaranteed to be page
155 * aligned and length is guaranteed to be multiple of 4).
157 iowrite32_rep(va
.vaddr
, src
, len
>> 2);
159 u_int32_t __iomem
* addr
= va
.vaddr
;
161 if ((unsigned long)src
& 3) {
163 fb_writel(get_unaligned((u32
*)src
), addr
);
170 fb_writel(*(u32
*)src
, addr
);
179 static inline void vaddr_add(vaddr_t
* va
, unsigned long offs
) {
183 static inline void __iomem
* vaddr_va(vaddr_t va
) {
188 unsigned int pixclock
;
191 unsigned int HDisplay
;
192 unsigned int HSyncStart
;
193 unsigned int HSyncEnd
;
195 unsigned int VDisplay
;
196 unsigned int VSyncStart
;
197 unsigned int VSyncEnd
;
202 unsigned int delay
; /* CRTC delay */
205 enum { M_SYSTEM_PLL
, M_PIXEL_PLL_A
, M_PIXEL_PLL_B
, M_PIXEL_PLL_C
, M_VIDEO_PLL
};
207 struct matrox_pll_cache
{
210 unsigned int mnp_key
;
211 unsigned int mnp_value
;
215 struct matrox_pll_limits
{
220 struct matrox_pll_features
{
221 unsigned int vco_freq_min
;
222 unsigned int ref_freq
;
223 unsigned int feed_div_min
;
224 unsigned int feed_div_max
;
225 unsigned int in_div_min
;
226 unsigned int in_div_max
;
227 unsigned int post_shift_max
;
232 unsigned int final_bppShift
;
233 unsigned int cmap_len
;
241 struct matrox_fb_info
;
243 struct matrox_DAC1064_features
{
248 /* current hardware status */
260 struct matrox_crtc2
{
264 struct matrox_hw_state
{
265 u_int32_t MXoptionReg
;
266 unsigned char DACclk
[6];
267 unsigned char DACreg
[80];
268 unsigned char MiscOutReg
;
269 unsigned char DACpal
[768];
270 unsigned char CRTC
[25];
271 unsigned char CRTCEXT
[9];
272 unsigned char SEQ
[5];
273 /* unused for MGA mode, but who knows... */
274 unsigned char GCTL
[9];
275 /* unused for MGA mode, but who knows... */
276 unsigned char ATTR
[21];
279 struct mavenregs maven
;
281 struct matrox_crtc2 crtc2
;
284 struct matrox_accel_data
{
285 #ifdef CONFIG_FB_MATROX_MILLENIUM
286 unsigned char ramdac_rev
;
288 u_int32_t m_dwg_rect
;
294 struct v4l2_queryctrl
;
297 struct matrox_altout
{
299 int (*compute
)(void* altout_dev
, struct my_timming
* input
);
300 int (*program
)(void* altout_dev
);
301 int (*start
)(void* altout_dev
);
302 int (*verifymode
)(void* altout_dev
, u_int32_t mode
);
303 int (*getqueryctrl
)(void* altout_dev
,
304 struct v4l2_queryctrl
* ctrl
);
305 int (*getctrl
)(void* altout_dev
,
306 struct v4l2_control
* ctrl
);
307 int (*setctrl
)(void* altout_dev
,
308 struct v4l2_control
* ctrl
);
311 #define MATROXFB_SRC_NONE 0
312 #define MATROXFB_SRC_CRTC1 1
313 #define MATROXFB_SRC_CRTC2 2
315 enum mga_chip
{ MGA_2064
, MGA_2164
, MGA_1064
, MGA_1164
, MGA_G100
, MGA_G200
, MGA_G400
, MGA_G450
, MGA_G550
};
318 unsigned int bios_valid
: 1;
319 unsigned int pins_len
;
320 unsigned char pins
[128];
322 unsigned char vMaj
, vMin
, vRev
;
325 unsigned char state
, tvout
;
329 struct matrox_switch
;
330 struct matroxfb_driver
;
331 struct matroxfb_dh_fb_info
;
333 struct matrox_vsync
{
334 wait_queue_head_t wait
;
338 struct matrox_fb_info
{
339 struct fb_info fbcon
;
341 struct list_head next_fb
;
345 unsigned int usecount
;
347 unsigned int userusecount
;
348 unsigned long irq_flags
;
350 struct matroxfb_par curr
;
351 struct matrox_hw_state hw
;
353 struct matrox_accel_data accel
;
355 struct pci_dev
* pcidev
;
358 struct matrox_vsync vsync
;
359 unsigned int pixclock
;
364 struct matrox_vsync vsync
;
365 unsigned int pixclock
;
367 struct matroxfb_dh_fb_info
* info
;
368 struct rw_semaphore lock
;
371 struct rw_semaphore lock
;
373 int brightness
, contrast
, saturation
, hue
, gamma
;
374 int testout
, deflicker
;
377 #define MATROXFB_MAX_OUTPUTS 3
380 struct matrox_altout
* output
;
383 unsigned int default_src
;
384 } outputs
[MATROXFB_MAX_OUTPUTS
];
386 #define MATROXFB_MAX_FB_DRIVERS 5
387 struct matroxfb_driver
* (drivers
[MATROXFB_MAX_FB_DRIVERS
]);
388 void* (drivers_data
[MATROXFB_MAX_FB_DRIVERS
]);
389 unsigned int drivers_count
;
392 unsigned long base
; /* physical */
393 vaddr_t vbase
; /* CPU view */
395 unsigned int len_usable
;
396 unsigned int len_maximum
;
400 unsigned long base
; /* physical */
401 vaddr_t vbase
; /* CPU view */
405 unsigned int max_pixel_clock
;
406 unsigned int max_pixel_clock_panellink
;
408 struct matrox_switch
* hw_switch
;
411 struct matrox_pll_features pll
;
412 struct matrox_DAC1064_features DAC1064
;
448 unsigned int vgastep
;
449 unsigned int textmode
;
450 unsigned int textstep
;
451 unsigned int textvram
; /* character cells */
452 unsigned int ydstorg
; /* offset in bytes from video start to usable memory */
453 /* 0 except for 6MB Millenium */
457 int panellink
; /* G400 DFP possible (not G450/G550) */
459 unsigned int fbResource
;
462 struct matrox_bios bios
;
464 struct matrox_pll_limits pixel
;
465 struct matrox_pll_limits system
;
466 struct matrox_pll_limits video
;
469 struct matrox_pll_cache pixel
;
470 struct matrox_pll_cache system
;
471 struct matrox_pll_cache video
;
483 u_int32_t mctlwtst_core
;
497 #define info2minfo(info) container_of(info, struct matrox_fb_info, fbcon)
499 struct matrox_switch
{
500 int (*preinit
)(struct matrox_fb_info
*minfo
);
501 void (*reset
)(struct matrox_fb_info
*minfo
);
502 int (*init
)(struct matrox_fb_info
*minfo
, struct my_timming
*);
503 void (*restore
)(struct matrox_fb_info
*minfo
);
506 struct matroxfb_driver
{
507 struct list_head node
;
509 void* (*probe
)(struct matrox_fb_info
* info
);
510 void (*remove
)(struct matrox_fb_info
* info
, void* data
);
513 int matroxfb_register_driver(struct matroxfb_driver
* drv
);
514 void matroxfb_unregister_driver(struct matroxfb_driver
* drv
);
516 #define PCI_OPTION_REG 0x40
517 #define PCI_OPTION_ENABLE_ROM 0x40000000
519 #define PCI_MGA_INDEX 0x44
520 #define PCI_MGA_DATA 0x48
521 #define PCI_OPTION2_REG 0x50
522 #define PCI_OPTION3_REG 0x54
523 #define PCI_MEMMISC_REG 0x58
525 #define M_DWGCTL 0x1C00
526 #define M_MACCESS 0x1C04
527 #define M_CTLWTST 0x1C08
529 #define M_PLNWT 0x1C1C
531 #define M_BCOL 0x1C20
532 #define M_FCOL 0x1C24
544 #define M_CXBNDRY 0x1C80
545 #define M_FXBNDRY 0x1C84
546 #define M_YDSTLEN 0x1C88
547 #define M_PITCH 0x1C8C
548 #define M_YDST 0x1C90
549 #define M_YDSTORG 0x1C94
550 #define M_YTOP 0x1C98
551 #define M_YBOT 0x1C9C
554 #define M_CACHEFLUSH 0x1FFF
556 #define M_EXEC 0x0100
558 #define M_DWG_TRAP 0x04
559 #define M_DWG_BITBLT 0x08
560 #define M_DWG_ILOAD 0x09
562 #define M_DWG_LINEAR 0x0080
563 #define M_DWG_SOLID 0x0800
564 #define M_DWG_ARZERO 0x1000
565 #define M_DWG_SGNZERO 0x2000
566 #define M_DWG_SHIFTZERO 0x4000
568 #define M_DWG_REPLACE 0x000C0000
569 #define M_DWG_REPLACE2 (M_DWG_REPLACE | 0x40)
570 #define M_DWG_XOR 0x00060010
572 #define M_DWG_BFCOL 0x04000000
573 #define M_DWG_BMONOWF 0x08000000
575 #define M_DWG_TRANSC 0x40000000
577 #define M_FIFOSTATUS 0x1E10
578 #define M_STATUS 0x1E14
579 #define M_ICLEAR 0x1E18
582 #define M_VCOUNT 0x1E20
584 #define M_RESET 0x1E40
585 #define M_MEMRDBK 0x1E44
587 #define M_AGP2PLL 0x1E4C
589 #define M_OPMODE 0x1E54
590 #define M_OPMODE_DMA_GEN_WRITE 0x00
591 #define M_OPMODE_DMA_BLIT 0x04
592 #define M_OPMODE_DMA_VECTOR_WRITE 0x08
593 #define M_OPMODE_DMA_LE 0x0000 /* little endian - no transformation */
594 #define M_OPMODE_DMA_BE_8BPP 0x0000
595 #define M_OPMODE_DMA_BE_16BPP 0x0100
596 #define M_OPMODE_DMA_BE_32BPP 0x0200
597 #define M_OPMODE_DIR_LE 0x000000 /* little endian - no transformation */
598 #define M_OPMODE_DIR_BE_8BPP 0x000000
599 #define M_OPMODE_DIR_BE_16BPP 0x010000
600 #define M_OPMODE_DIR_BE_32BPP 0x020000
602 #define M_ATTR_INDEX 0x1FC0
603 #define M_ATTR_DATA 0x1FC1
605 #define M_MISC_REG 0x1FC2
606 #define M_3C2_RD 0x1FC2
608 #define M_SEQ_INDEX 0x1FC4
609 #define M_SEQ_DATA 0x1FC5
611 #define M_SEQ1_SCROFF 0x20
613 #define M_MISC_REG_READ 0x1FCC
615 #define M_GRAPHICS_INDEX 0x1FCE
616 #define M_GRAPHICS_DATA 0x1FCF
618 #define M_CRTC_INDEX 0x1FD4
620 #define M_ATTR_RESET 0x1FDA
621 #define M_3DA_WR 0x1FDA
622 #define M_INSTS1 0x1FDA
624 #define M_EXTVGA_INDEX 0x1FDE
625 #define M_EXTVGA_DATA 0x1FDF
628 #define M_SRCORG 0x2CB4
629 #define M_DSTORG 0x2CB8
631 #define M_RAMDAC_BASE 0x3C00
633 /* fortunately, same on TVP3026 and MGA1064 */
634 #define M_DAC_REG (M_RAMDAC_BASE+0)
635 #define M_DAC_VAL (M_RAMDAC_BASE+1)
636 #define M_PALETTE_MASK (M_RAMDAC_BASE+2)
638 #define M_X_INDEX 0x00
639 #define M_X_DATAREG 0x0A
641 #define DAC_XGENIOCTRL 0x2A
642 #define DAC_XGENIODATA 0x2B
644 #define M_C2CTL 0x3C10
646 #define MX_OPTION_BSWAP 0x00000000
648 #ifdef __LITTLE_ENDIAN
649 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
650 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
651 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
652 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
653 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT)
656 #define M_OPMODE_4BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_LE | M_OPMODE_DMA_BLIT) /* TODO */
657 #define M_OPMODE_8BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT)
658 #define M_OPMODE_16BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_16BPP | M_OPMODE_DMA_BLIT)
659 #define M_OPMODE_24BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_8BPP | M_OPMODE_DMA_BLIT) /* TODO, ?32 */
660 #define M_OPMODE_32BPP (M_OPMODE_DMA_LE | M_OPMODE_DIR_BE_32BPP | M_OPMODE_DMA_BLIT)
662 #error "Byte ordering have to be defined. Cannot continue."
666 #define mga_inb(addr) mga_readb(minfo->mmio.vbase, (addr))
667 #define mga_inl(addr) mga_readl(minfo->mmio.vbase, (addr))
668 #define mga_outb(addr,val) mga_writeb(minfo->mmio.vbase, (addr), (val))
669 #define mga_outw(addr,val) mga_writew(minfo->mmio.vbase, (addr), (val))
670 #define mga_outl(addr,val) mga_writel(minfo->mmio.vbase, (addr), (val))
671 #define mga_readr(port,idx) (mga_outb((port),(idx)), mga_inb((port)+1))
672 #define mga_setr(addr,port,val) mga_outw(addr, ((val)<<8) | (port))
674 #define mga_fifo(n) do {} while ((mga_inl(M_FIFOSTATUS) & 0xFF) < (n))
676 #define WaitTillIdle() do { mga_inl(M_STATUS); do {} while (mga_inl(M_STATUS) & 0x10000); } while (0)
679 #ifdef CONFIG_FB_MATROX_MILLENIUM
680 #define isInterleave(x) (x->interleave)
681 #define isMillenium(x) (x->millenium)
682 #define isMilleniumII(x) (x->milleniumII)
684 #define isInterleave(x) (0)
685 #define isMillenium(x) (0)
686 #define isMilleniumII(x) (0)
689 #define matroxfb_DAC_lock() spin_lock(&minfo->lock.DAC)
690 #define matroxfb_DAC_unlock() spin_unlock(&minfo->lock.DAC)
691 #define matroxfb_DAC_lock_irqsave(flags) spin_lock_irqsave(&minfo->lock.DAC, flags)
692 #define matroxfb_DAC_unlock_irqrestore(flags) spin_unlock_irqrestore(&minfo->lock.DAC, flags)
693 extern void matroxfb_DAC_out(const struct matrox_fb_info
*minfo
, int reg
,
695 extern int matroxfb_DAC_in(const struct matrox_fb_info
*minfo
, int reg
);
696 extern void matroxfb_var2my(struct fb_var_screeninfo
* fvsi
, struct my_timming
* mt
);
697 extern int matroxfb_wait_for_sync(struct matrox_fb_info
*minfo
, u_int32_t crtc
);
698 extern int matroxfb_enable_irq(struct matrox_fb_info
*minfo
, int reenable
);
700 #ifdef MATROXFB_USE_SPINLOCKS
701 #define CRITBEGIN spin_lock_irqsave(&minfo->lock.accel, critflags);
702 #define CRITEND spin_unlock_irqrestore(&minfo->lock.accel, critflags);
703 #define CRITFLAGS unsigned long critflags;
710 #endif /* __MATROXFB_H__ */