pm2fb.c
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- /*
- * Permedia2 framebuffer driver.
- * Copyright (c) 1998-1999 Ilario Nardinocchi (nardinoc@CS.UniBO.IT)
- * Copyright (c) 1999 Jakub Jelinek (jakub@redhat.com)
- * Based on linux/drivers/video/skeletonfb.c by Geert Uytterhoeven.
- * --------------------------------------------------------------------------
- * $Id: pm2fb.c,v 1.163 1999/02/21 14:06:49 illo Exp $
- * --------------------------------------------------------------------------
- * TODO multiple boards support
- * --------------------------------------------------------------------------
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file COPYING in the main directory of this archive
- * for more details.
- */
- #include <linux/config.h>
- #include <linux/module.h>
- #include <linux/kernel.h>
- #include <linux/errno.h>
- #include <linux/string.h>
- #include <linux/mm.h>
- #include <linux/tty.h>
- #include <linux/slab.h>
- #include <linux/vmalloc.h>
- #include <linux/delay.h>
- #include <linux/interrupt.h>
- #include <linux/fb.h>
- #include <linux/selection.h>
- #include <linux/console.h>
- #include <linux/init.h>
- #include <linux/pci.h>
- #include <asm/system.h>
- #include <asm/io.h>
- #include <asm/uaccess.h>
- #include <video/fbcon.h>
- #include <video/fbcon-cfb8.h>
- #include <video/fbcon-cfb16.h>
- #include <video/fbcon-cfb24.h>
- #include <video/fbcon-cfb32.h>
- #include "pm2fb.h"
- #include "cvisionppc.h"
- #ifdef __sparc__
- #include <asm/pbm.h>
- #include <asm/fbio.h>
- #endif
- #if !defined(__LITTLE_ENDIAN) && !defined(__BIG_ENDIAN)
- #error "The endianness of the target host has not been defined."
- #endif
- #if defined(__BIG_ENDIAN) && !defined(__sparc__)
- #define PM2FB_BE_APERTURE
- #endif
- /* Need to debug this some more */
- #undef PM2FB_HW_CURSOR
- #if defined(CONFIG_FB_PM2_PCI) && !defined(CONFIG_PCI)
- #undef CONFIG_FB_PM2_PCI
- #warning "support for Permedia2 PCI boards with no generic PCI support!"
- #endif
- #undef PM2FB_MASTER_DEBUG
- #ifdef PM2FB_MASTER_DEBUG
- #define DPRINTK(a,b...) printk(KERN_DEBUG "pm2fb: %s: " a, __FUNCTION__ , ## b)
- #else
- #define DPRINTK(a,b...)
- #endif
- #define PICOS2KHZ(a) (1000000000UL/(a))
- #define KHZ2PICOS(a) (1000000000UL/(a))
- /*
- * The _DEFINITIVE_ memory mapping/unmapping functions.
- * This is due to the fact that they're changing soooo often...
- */
- #define MMAP(a,b) ioremap((unsigned long )(a), b)
- #define UNMAP(a,b) iounmap(a)
- /*
- * The _DEFINITIVE_ memory i/o barrier functions.
- * This is due to the fact that they're changing soooo often...
- */
- #define DEFW() wmb()
- #define DEFR() rmb()
- #define DEFRW() mb()
- #ifndef MIN
- #define MIN(a,b) ((a)<(b)?(a):(b))
- #endif
- #ifndef MAX
- #define MAX(a,b) ((a)>(b)?(a):(b))
- #endif
- struct pm2fb_par {
- u32 pixclock; /* pixclock in KHz */
- u32 width; /* width of virtual screen */
- u32 height; /* height of virtual screen */
- u32 hsstart; /* horiz. sync start */
- u32 hsend; /* horiz. sync end */
- u32 hbend; /* horiz. blank end (also gate end) */
- u32 htotal; /* total width (w/ sync & blank) */
- u32 vsstart; /* vert. sync start */
- u32 vsend; /* vert. sync end */
- u32 vbend; /* vert. blank end */
- u32 vtotal; /* total height (w/ sync & blank) */
- u32 stride; /* screen stride */
- u32 base; /* screen base (xoffset+yoffset) */
- u32 depth; /* screen depth (8, 16, 24 or 32) */
- u32 video; /* video control (hsync,vsync) */
- };
- #define OPTF_OLD_MEM (1L<<0)
- #define OPTF_YPAN (1L<<1)
- #define OPTF_VIRTUAL (1L<<2)
- #define OPTF_USER (1L<<3)
- static struct {
- char font[40];
- u32 flags;
- struct pm2fb_par user_mode;
- } pm2fb_options =
- #ifdef __sparc__
- /* For some reason Raptor is not happy with the low-end mode */
- {"", 0L, {31499,640,480,4,20,50,209,0,3,20,499,80,0,8,121}};
- #else
- {"", 0L, {25174,640,480,4,28,40,199,9,11,45,524,80,0,8,121}};
- #endif
- static char curblink __initdata = 1;
- static struct {
- char name[16];
- struct pm2fb_par par;
- } user_mode[] __initdata = {
- {"640x480-60",
- {25174,640,480,4,28,40,199,9,11,45,524,80,0,8,121}},
- {"640x480-72",
- {31199,640,480,6,16,48,207,8,10,39,518,80,0,8,121}},
- {"640x480-75",
- {31499,640,480,4,20,50,209,0,3,20,499,80,0,8,121}},
- {"640x480-90",
- {39909,640,480,8,18,48,207,24,38,53,532,80,0,8,121}},
- {"640x480-100",
- {44899,640,480,8,40,52,211,21,33,51,530,80,0,8,121}},
- {"800x600-56",
- {35999,800,600,6,24,56,255,0,2,25,624,100,0,8,41}},
- {"800x600-60",
- {40000,800,600,10,42,64,263,0,4,28,627,100,0,8,41}},
- {"800x600-70",
- {44899,800,600,6,42,52,251,8,20,36,635,100,0,8,105}},
- {"800x600-72",
- {50000,800,600,14,44,60,259,36,42,66,665,100,0,8,41}},
- {"800x600-75",
- {49497,800,600,4,24,64,263,0,3,25,624,100,0,8,41}},
- {"800x600-90",
- {56637,800,600,2,18,48,247,7,18,35,634,100,0,8,41}},
- {"800x600-100",
- {67499,800,600,0,16,70,269,6,10,25,624,100,0,8,41}},
- {"1024x768-60",
- {64998,1024,768,6,40,80,335,2,8,38,805,128,0,8,121}},
- {"1024x768-70",
- {74996,1024,768,6,40,76,331,2,8,38,805,128,0,8,121}},
- {"1024x768-72",
- {74996,1024,768,6,40,66,321,2,8,38,805,128,0,8,121}},
- {"1024x768-75",
- {78932,1024,768,4,28,72,327,0,3,32,799,128,0,8,41}},
- {"1024x768-90",
- {100000,1024,768,0,24,72,327,20,35,77,844,128,0,8,121}},
- {"1024x768-100",
- {109998,1024,768,0,22,92,347,0,7,24,791,128,0,8,121}},
- {"1024x768-illo",
- {120322,1024,768,12,48,120,375,3,7,32,799,128,0,8,41}},
- {"1152x864-60",
- {80000,1152,864,16,44,76,363,5,10,52,915,144,0,8,41}},
- {"1152x864-70",
- {100000,1152,864,10,48,90,377,12,23,81,944,144,0,8,41}},
- {"1152x864-75",
- {109998,1152,864,6,42,78,365,44,52,138,1001,144,0,8,41}},
- {"1152x864-80",
- {109998,1152,864,4,32,72,359,29,36,94,957,144,0,8,41}},
- {"1280x1024-60",
- {107991,1280,1024,12,40,102,421,0,3,42,1065,160,0,8,41}},
- {"1280x1024-70",
- {125992,1280,1024,20,48,102,421,0,5,42,1065,160,0,8,41}},
- {"1280x1024-74",
- {134989,1280,1024,8,44,108,427,0,29,40,1063,160,0,8,41}},
- {"1280x1024-75",
- {134989,1280,1024,4,40,102,421,0,3,42,1065,160,0,8,41}},
- {"1600x1200-60",
- {155981,1600,1200,8,48,112,511,9,17,70,1269,200,0,8,121}},
- {"1600x1200-66",
- {171998,1600,1200,10,44,120,519,2,5,53,1252,200,0,8,121}},
- {"1600x1200-76",
- {197980,1600,1200,10,44,120,519,2,7,50,1249,200,0,8,121}},
- {"", },
- };
- #ifdef CONFIG_FB_PM2_PCI
- struct pm2pci_par {
- u32 mem_config;
- u32 mem_control;
- u32 boot_address;
- struct pci_dev* dev;
- };
- #endif
- #define DEFAULT_CURSOR_BLINK_RATE (20)
- #define CURSOR_DRAW_DELAY (2)
- struct pm2_cursor {
- int enable;
- int on;
- int vbl_cnt;
- int blink_rate;
- struct {
- u16 x, y;
- } pos, hot, size;
- u8 color[6];
- u8 bits[8][64];
- u8 mask[8][64];
- struct timer_list *timer;
- };
- static const char permedia2_name[16]="Permedia2";
- static struct pm2fb_info {
- struct fb_info_gen gen;
- int board; /* Permedia2 board index (see
- board_table[] below) */
- pm2type_t type;
- struct {
- unsigned long fb_base; /* physical framebuffer memory base */
- u32 fb_size; /* framebuffer memory size */
- unsigned long rg_base; /* physical register memory base */
- unsigned long p_fb; /* physical address of frame buffer */
- unsigned char* v_fb; /* virtual address of frame buffer */
- unsigned long p_regs; /* physical address of registers
- region, must be rg_base or
- rg_base+PM2_REGS_SIZE depending on
- the host endianness */
- unsigned char* v_regs; /* virtual address of p_regs */
- } regions;
- union { /* here, the per-board par structs */
- #ifdef CONFIG_FB_PM2_CVPPC
- struct cvppc_par cvppc; /* CVisionPPC data */
- #endif
- #ifdef CONFIG_FB_PM2_PCI
- struct pm2pci_par pci; /* Permedia2 PCI boards data */
- #endif
- } board_par;
- struct pm2fb_par current_par; /* displayed screen */
- int current_par_valid;
- u32 memclock; /* memclock (set by the per-board
- init routine) */
- struct display disp;
- struct {
- u8 transp;
- u8 red;
- u8 green;
- u8 blue;
- } palette[256];
- union {
- #ifdef FBCON_HAS_CFB16
- u16 cmap16[16];
- #endif
- #ifdef FBCON_HAS_CFB24
- u32 cmap24[16];
- #endif
- #ifdef FBCON_HAS_CFB32
- u32 cmap32[16];
- #endif
- } cmap;
- struct pm2_cursor *cursor;
- } fb_info;
- #ifdef CONFIG_FB_PM2_CVPPC
- static int cvppc_detect(struct pm2fb_info*);
- static void cvppc_init(struct pm2fb_info*);
- #endif
- #ifdef CONFIG_FB_PM2_PCI
- static int pm2pci_detect(struct pm2fb_info*);
- static void pm2pci_init(struct pm2fb_info*);
- #endif
- #ifdef PM2FB_HW_CURSOR
- static void pm2fb_cursor(struct display *p, int mode, int x, int y);
- static int pm2fb_set_font(struct display *d, int width, int height);
- static struct pm2_cursor *pm2_init_cursor(struct pm2fb_info *fb);
- static void pm2v_set_cursor_color(struct pm2fb_info *fb, u8 *red, u8 *green, u8 *blue);
- static void pm2v_set_cursor_shape(struct pm2fb_info *fb);
- static u8 cursor_color_map[2] = { 0, 0xff };
- #else
- #define pm2fb_cursor NULL
- #define pm2fb_set_font NULL
- #endif
- /*
- * Table of the supported Permedia2 based boards.
- * Three hooks are defined for each board:
- * detect(): should return 1 if the related board has been detected, 0
- * otherwise. It should also fill the fields 'regions.fb_base',
- * 'regions.fb_size', 'regions.rg_base' and 'memclock' in the
- * passed pm2fb_info structure.
- * init(): called immediately after the reset of the Permedia2 chip.
- * It should reset the memory controller if needed (the MClk
- * is set shortly afterwards by the caller).
- * cleanup(): called after the driver has been unregistered.
- *
- * the init and cleanup pointers can be NULL.
- */
- static const struct {
- int (*detect)(struct pm2fb_info*);
- void (*init)(struct pm2fb_info*);
- void (*cleanup)(struct pm2fb_info*);
- char name[32];
- } board_table[] = {
- #ifdef CONFIG_FB_PM2_PCI
- { pm2pci_detect, pm2pci_init, NULL, "Permedia2 PCI board" },
- #endif
- #ifdef CONFIG_FB_PM2_CVPPC
- { cvppc_detect, cvppc_init, NULL, "CVisionPPC/BVisionPPC" },
- #endif
- { NULL, }
- };
- /*
- * partial products for the supported horizontal resolutions.
- */
- #define PACKPP(p0,p1,p2) (((p2)<<6)|((p1)<<3)|(p0))
- static const struct {
- u16 width;
- u16 pp;
- } pp_table[] = {
- { 32, PACKPP(1, 0, 0) }, { 64, PACKPP(1, 1, 0) },
- { 96, PACKPP(1, 1, 1) }, { 128, PACKPP(2, 1, 1) },
- { 160, PACKPP(2, 2, 1) }, { 192, PACKPP(2, 2, 2) },
- { 224, PACKPP(3, 2, 1) }, { 256, PACKPP(3, 2, 2) },
- { 288, PACKPP(3, 3, 1) }, { 320, PACKPP(3, 3, 2) },
- { 384, PACKPP(3, 3, 3) }, { 416, PACKPP(4, 3, 1) },
- { 448, PACKPP(4, 3, 2) }, { 512, PACKPP(4, 3, 3) },
- { 544, PACKPP(4, 4, 1) }, { 576, PACKPP(4, 4, 2) },
- { 640, PACKPP(4, 4, 3) }, { 768, PACKPP(4, 4, 4) },
- { 800, PACKPP(5, 4, 1) }, { 832, PACKPP(5, 4, 2) },
- { 896, PACKPP(5, 4, 3) }, { 1024, PACKPP(5, 4, 4) },
- { 1056, PACKPP(5, 5, 1) }, { 1088, PACKPP(5, 5, 2) },
- { 1152, PACKPP(5, 5, 3) }, { 1280, PACKPP(5, 5, 4) },
- { 1536, PACKPP(5, 5, 5) }, { 1568, PACKPP(6, 5, 1) },
- { 1600, PACKPP(6, 5, 2) }, { 1664, PACKPP(6, 5, 3) },
- { 1792, PACKPP(6, 5, 4) }, { 2048, PACKPP(6, 5, 5) },
- { 0, 0 } };
- static void pm2fb_detect(void);
- static int pm2fb_encode_fix(struct fb_fix_screeninfo* fix,
- const void* par, struct fb_info_gen* info);
- static int pm2fb_decode_var(const struct fb_var_screeninfo* var,
- void* par, struct fb_info_gen* info);
- static int pm2fb_encode_var(struct fb_var_screeninfo* var,
- const void* par, struct fb_info_gen* info);
- static void pm2fb_get_par(void* par, struct fb_info_gen* info);
- static void pm2fb_set_par(const void* par, struct fb_info_gen* info);
- static int pm2fb_getcolreg(unsigned regno,
- unsigned* red, unsigned* green, unsigned* blue,
- unsigned* transp, struct fb_info* info);
- static int pm2fb_setcolreg(unsigned regno,
- unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info* info);
- static int pm2fb_blank(int blank_mode, struct fb_info_gen* info);
- static int pm2fb_pan_display(const struct fb_var_screeninfo* var,
- struct fb_info_gen* info);
- static void pm2fb_set_disp(const void* par, struct display* disp,
- struct fb_info_gen* info);
- static struct fbgen_hwswitch pm2fb_hwswitch={
- pm2fb_detect, pm2fb_encode_fix, pm2fb_decode_var,
- pm2fb_encode_var, pm2fb_get_par, pm2fb_set_par,
- pm2fb_getcolreg, pm2fb_setcolreg, pm2fb_pan_display,
- pm2fb_blank, pm2fb_set_disp
- };
- static struct fb_ops pm2fb_ops={
- owner: THIS_MODULE,
- fb_get_fix: fbgen_get_fix,
- fb_get_var: fbgen_get_var,
- fb_set_var: fbgen_set_var,
- fb_get_cmap: fbgen_get_cmap,
- fb_set_cmap: fbgen_set_cmap,
- fb_pan_display: fbgen_pan_display,
- };
- /***************************************************************************
- * Begin of Permedia2 specific functions
- ***************************************************************************/
- inline static u32 RD32(unsigned char* base, s32 off) {
- return readl(base+off);
- }
- inline static void WR32(unsigned char* base, s32 off, u32 v) {
- writel(v, base+off);
- }
- inline static u32 pm2_RD(struct pm2fb_info* p, s32 off) {
- return RD32(p->regions.v_regs, off);
- }
- inline static void pm2_WR(struct pm2fb_info* p, s32 off, u32 v) {
- WR32(p->regions.v_regs, off, v);
- }
- inline static u32 pm2_RDAC_RD(struct pm2fb_info* p, s32 idx) {
- int index = PM2R_RD_INDEXED_DATA;
- switch (p->type) {
- case PM2_TYPE_PERMEDIA2:
- pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx);
- break;
- case PM2_TYPE_PERMEDIA2V:
- pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
- index = PM2VR_RD_INDEXED_DATA;
- break;
- }
- DEFRW();
- return pm2_RD(p, index);
- }
- inline static void pm2_RDAC_WR(struct pm2fb_info* p, s32 idx,
- u32 v) {
- int index = PM2R_RD_INDEXED_DATA;
- switch (p->type) {
- case PM2_TYPE_PERMEDIA2:
- pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, idx);
- break;
- case PM2_TYPE_PERMEDIA2V:
- pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
- index = PM2VR_RD_INDEXED_DATA;
- break;
- }
- DEFRW();
- pm2_WR(p, index, v);
- }
- inline static u32 pm2v_RDAC_RD(struct pm2fb_info* p, s32 idx) {
- pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
- DEFRW();
- return pm2_RD(p, PM2VR_RD_INDEXED_DATA);
- }
- inline static void pm2v_RDAC_WR(struct pm2fb_info* p, s32 idx,
- u32 v) {
- pm2_WR(p, PM2VR_RD_INDEX_LOW, idx & 0xff);
- DEFRW();
- pm2_WR(p, PM2VR_RD_INDEXED_DATA, v);
- }
- #ifdef CONFIG_FB_PM2_FIFO_DISCONNECT
- #define WAIT_FIFO(p,a)
- #else
- inline static void WAIT_FIFO(struct pm2fb_info* p, u32 a) {
- while(pm2_RD(p, PM2R_IN_FIFO_SPACE)<a);
- DEFRW();
- }
- #endif
- static u32 partprod(u32 xres) {
- int i;
- for (i=0; pp_table[i].width && pp_table[i].width!=xres; i++);
- if (!pp_table[i].width)
- DPRINTK("invalid width %un", xres);
- return pp_table[i].pp;
- }
- static u32 to3264(u32 timing, int bpp, int is64) {
- switch (bpp) {
- case 8:
- timing=timing>>(2+is64);
- break;
- case 16:
- timing=timing>>(1+is64);
- break;
- case 24:
- timing=(timing*3)>>(2+is64);
- break;
- case 32:
- if (is64)
- timing=timing>>1;
- break;
- }
- return timing;
- }
- static u32 from3264(u32 timing, int bpp, int is64) {
- switch (bpp) {
- case 8:
- timing=timing<<(2+is64);
- break;
- case 16:
- timing=timing<<(1+is64);
- break;
- case 24:
- timing=(timing<<(2+is64))/3;
- break;
- case 32:
- if (is64)
- timing=timing<<1;
- break;
- }
- return timing;
- }
- static void pm2_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
- unsigned char* pp) {
- unsigned char m;
- unsigned char n;
- unsigned char p;
- u32 f;
- s32 curr;
- s32 delta=100000;
- *mm=*nn=*pp=0;
- for (n=2; n<15; n++) {
- for (m=2; m; m++) {
- f=PM2_REFERENCE_CLOCK*m/n;
- if (f>=150000 && f<=300000) {
- for (p=0; p<5; p++, f>>=1) {
- curr=clk>f?clk-f:f-clk;
- if (curr<delta) {
- delta=curr;
- *mm=m;
- *nn=n;
- *pp=p;
- }
- }
- }
- }
- }
- }
- static void pm2v_mnp(u32 clk, unsigned char* mm, unsigned char* nn,
- unsigned char* pp) {
- unsigned char m;
- unsigned char n;
- unsigned char p;
- u32 f;
- s32 delta=1000;
- *mm=*nn=*pp=0;
- for (n=1; n; n++) {
- for (m=1; m; m++) {
- for (p=0; p<2; p++) {
- f=PM2_REFERENCE_CLOCK*n/(m * (1<<(p+1)));
- if (clk>f-delta && clk<f+delta) {
- delta=clk>f?clk-f:f-clk;
- *mm=m;
- *nn=n;
- *pp=p;
- }
- }
- }
- }
- }
- static void wait_pm2(struct pm2fb_info* i) {
- WAIT_FIFO(i, 1);
- pm2_WR(i, PM2R_SYNC, 0);
- DEFRW();
- do {
- while (pm2_RD(i, PM2R_OUT_FIFO_WORDS)==0);
- DEFR();
- } while (pm2_RD(i, PM2R_OUT_FIFO)!=PM2TAG(PM2R_SYNC));
- }
- static void pm2_set_memclock(struct pm2fb_info* info, u32 clk) {
- int i;
- unsigned char m, n, p;
- pm2_mnp(clk, &m, &n, &p);
- WAIT_FIFO(info, 10);
- pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_3, 6);
- DEFW();
- pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_1, m);
- pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_2, n);
- DEFW();
- pm2_RDAC_WR(info, PM2I_RD_MEMORY_CLOCK_3, 8|p);
- DEFW();
- pm2_RDAC_RD(info, PM2I_RD_MEMORY_CLOCK_STATUS);
- DEFR();
- for (i=256; i &&
- !(pm2_RD(info, PM2R_RD_INDEXED_DATA)&PM2F_PLL_LOCKED); i--);
- }
- static void pm2_set_pixclock(struct pm2fb_info* info, u32 clk) {
- int i;
- unsigned char m, n, p;
- switch (info->type) {
- case PM2_TYPE_PERMEDIA2:
- pm2_mnp(clk, &m, &n, &p);
- WAIT_FIFO(info, 10);
- pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A3, 0);
- DEFW();
- pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A1, m);
- pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A2, n);
- DEFW();
- pm2_RDAC_WR(info, PM2I_RD_PIXEL_CLOCK_A3, 8|p);
- DEFW();
- pm2_RDAC_RD(info, PM2I_RD_PIXEL_CLOCK_STATUS);
- DEFR();
- for (i=256; i &&
- !(pm2_RD(info, PM2R_RD_INDEXED_DATA)&PM2F_PLL_LOCKED); i--);
- break;
- case PM2_TYPE_PERMEDIA2V:
- pm2v_mnp(clk/2, &m, &n, &p);
- WAIT_FIFO(info, 8);
- pm2_WR(info, PM2VR_RD_INDEX_HIGH, PM2VI_RD_CLK0_PRESCALE >> 8);
- pm2v_RDAC_WR(info, PM2VI_RD_CLK0_PRESCALE, m);
- pm2v_RDAC_WR(info, PM2VI_RD_CLK0_FEEDBACK, n);
- pm2v_RDAC_WR(info, PM2VI_RD_CLK0_POSTSCALE, p);
- pm2_WR(info, PM2VR_RD_INDEX_HIGH, 0);
- break;
- }
- }
- static void clear_palette(struct pm2fb_info* p) {
- int i=256;
- WAIT_FIFO(p, 1);
- pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, 0);
- DEFW();
- while (i--) {
- WAIT_FIFO(p, 3);
- pm2_WR(p, PM2R_RD_PALETTE_DATA, 0);
- pm2_WR(p, PM2R_RD_PALETTE_DATA, 0);
- pm2_WR(p, PM2R_RD_PALETTE_DATA, 0);
- }
- }
- static void set_color(struct pm2fb_info* p, unsigned char regno,
- unsigned char r, unsigned char g, unsigned char b) {
- WAIT_FIFO(p, 4);
- pm2_WR(p, PM2R_RD_PALETTE_WRITE_ADDRESS, regno);
- DEFW();
- pm2_WR(p, PM2R_RD_PALETTE_DATA, r);
- DEFW();
- pm2_WR(p, PM2R_RD_PALETTE_DATA, g);
- DEFW();
- pm2_WR(p, PM2R_RD_PALETTE_DATA, b);
- }
- static void set_aperture(struct pm2fb_info* i, struct pm2fb_par* p) {
- WAIT_FIFO(i, 2);
- #ifdef __LITTLE_ENDIAN
- pm2_WR(i, PM2R_APERTURE_ONE, 0);
- pm2_WR(i, PM2R_APERTURE_TWO, 0);
- #else
- switch (p->depth) {
- case 8:
- case 24:
- pm2_WR(i, PM2R_APERTURE_ONE, 0);
- pm2_WR(i, PM2R_APERTURE_TWO, 1);
- break;
- case 16:
- pm2_WR(i, PM2R_APERTURE_ONE, 2);
- pm2_WR(i, PM2R_APERTURE_TWO, 1);
- break;
- case 32:
- pm2_WR(i, PM2R_APERTURE_ONE, 1);
- pm2_WR(i, PM2R_APERTURE_TWO, 1);
- break;
- }
- #endif
- }
- static void set_screen(struct pm2fb_info* i, struct pm2fb_par* p) {
- u32 clrmode=0;
- u32 txtmap=0;
- u32 pixsize=0;
- u32 clrformat=0;
- u32 xres;
- u32 video, tmp;
- if (i->type == PM2_TYPE_PERMEDIA2V) {
- WAIT_FIFO(i, 1);
- pm2_WR(i, PM2VR_RD_INDEX_HIGH, 0);
- }
- xres=(p->width+31)&~31;
- set_aperture(i, p);
- DEFRW();
- WAIT_FIFO(i, 27);
- pm2_RDAC_WR(i, PM2I_RD_COLOR_KEY_CONTROL, p->depth==8?0:
- PM2F_COLOR_KEY_TEST_OFF);
- switch (p->depth) {
- case 8:
- pm2_WR(i, PM2R_FB_READ_PIXEL, 0);
- clrformat=0x0e;
- break;
- case 16:
- pm2_WR(i, PM2R_FB_READ_PIXEL, 1);
- clrmode=PM2F_RD_TRUECOLOR|0x06;
- txtmap=PM2F_TEXTEL_SIZE_16;
- pixsize=1;
- clrformat=0x70;
- break;
- case 32:
- pm2_WR(i, PM2R_FB_READ_PIXEL, 2);
- clrmode=PM2F_RD_TRUECOLOR|0x08;
- txtmap=PM2F_TEXTEL_SIZE_32;
- pixsize=2;
- clrformat=0x20;
- break;
- case 24:
- pm2_WR(i, PM2R_FB_READ_PIXEL, 4);
- clrmode=PM2F_RD_TRUECOLOR|0x09;
- txtmap=PM2F_TEXTEL_SIZE_24;
- pixsize=4;
- clrformat=0x20;
- break;
- }
- pm2_WR(i, PM2R_SCREEN_SIZE, (p->height<<16)|p->width);
- pm2_WR(i, PM2R_SCISSOR_MODE, PM2F_SCREEN_SCISSOR_ENABLE);
- pm2_WR(i, PM2R_FB_WRITE_MODE, PM2F_FB_WRITE_ENABLE);
- pm2_WR(i, PM2R_FB_READ_MODE, partprod(xres));
- pm2_WR(i, PM2R_LB_READ_MODE, partprod(xres));
- pm2_WR(i, PM2R_TEXTURE_MAP_FORMAT, txtmap|partprod(xres));
- pm2_WR(i, PM2R_H_TOTAL, p->htotal);
- pm2_WR(i, PM2R_HS_START, p->hsstart);
- pm2_WR(i, PM2R_HS_END, p->hsend);
- pm2_WR(i, PM2R_HG_END, p->hbend);
- pm2_WR(i, PM2R_HB_END, p->hbend);
- pm2_WR(i, PM2R_V_TOTAL, p->vtotal);
- pm2_WR(i, PM2R_VS_START, p->vsstart);
- pm2_WR(i, PM2R_VS_END, p->vsend);
- pm2_WR(i, PM2R_VB_END, p->vbend);
- pm2_WR(i, PM2R_SCREEN_STRIDE, p->stride);
- DEFW();
- pm2_WR(i, PM2R_SCREEN_BASE, p->base);
- /* HW cursor needs /VSYNC for recognizing vert retrace */
- video=p->video & ~(PM2F_HSYNC_ACT_LOW|PM2F_VSYNC_ACT_LOW);
- video|=PM2F_HSYNC_ACT_HIGH|PM2F_VSYNC_ACT_HIGH;
- switch (i->type) {
- case PM2_TYPE_PERMEDIA2:
- tmp = PM2F_RD_PALETTE_WIDTH_8;
- pm2_RDAC_WR(i, PM2I_RD_COLOR_MODE, PM2F_RD_COLOR_MODE_RGB|
- PM2F_RD_GUI_ACTIVE|clrmode);
- if ((p->video & PM2F_HSYNC_ACT_LOW) == PM2F_HSYNC_ACT_LOW)
- tmp |= 4; /* invert hsync */
- if ((p->video & PM2F_HSYNC_ACT_LOW) == PM2F_HSYNC_ACT_LOW)
- tmp |= 8; /* invert vsync */
- pm2_RDAC_WR(i, PM2I_RD_MISC_CONTROL, tmp);
- break;
- case PM2_TYPE_PERMEDIA2V:
- tmp = 0;
- pm2v_RDAC_WR(i, PM2VI_RD_PIXEL_SIZE, pixsize);
- pm2v_RDAC_WR(i, PM2VI_RD_COLOR_FORMAT, clrformat);
- if ((p->video & PM2F_HSYNC_ACT_LOW) == PM2F_HSYNC_ACT_LOW)
- tmp |= 1; /* invert hsync */
- if ((p->video & PM2F_HSYNC_ACT_LOW) == PM2F_HSYNC_ACT_LOW)
- tmp |= 4; /* invert vsync */
- pm2v_RDAC_WR(i, PM2VI_RD_SYNC_CONTROL, tmp);
- pm2v_RDAC_WR(i, PM2VI_RD_MISC_CONTROL, 1);
- break;
- }
- pm2_WR(i, PM2R_VIDEO_CONTROL, video);
- pm2_set_pixclock(i, p->pixclock);
- };
- /*
- * copy with packed pixels (8/16bpp only).
- */
- static void pm2fb_pp_copy(struct pm2fb_info* i, s32 xsrc, s32 ysrc,
- s32 x, s32 y, s32 w, s32 h) {
- s32 scale=i->current_par.depth==8?2:1;
- s32 offset;
- if (!w || !h)
- return;
- WAIT_FIFO(i, 7);
- pm2_WR(i, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE|
- PM2F_CONFIG_FB_PACKED_DATA|
- PM2F_CONFIG_FB_READ_SOURCE_ENABLE);
- pm2_WR(i, PM2R_FB_PIXEL_OFFSET, 0);
- pm2_WR(i, PM2R_FB_SOURCE_DELTA, ((ysrc-y)&0xfff)<<16|
- ((xsrc-x)&0xfff));
- offset=(x&0x3)-(xsrc&0x3);
- pm2_WR(i, PM2R_RECTANGLE_ORIGIN, (y<<16)|(x>>scale));
- pm2_WR(i, PM2R_RECTANGLE_SIZE, (h<<16)|((w+7)>>scale));
- pm2_WR(i, PM2R_PACKED_DATA_LIMITS, (offset<<29)|(x<<16)|(x+w));
- DEFW();
- pm2_WR(i, PM2R_RENDER, PM2F_RENDER_RECTANGLE|
- (x<xsrc?PM2F_INCREASE_X:0)|
- (y<ysrc?PM2F_INCREASE_Y:0));
- wait_pm2(i);
- }
- /*
- * block operation. copy=0: rectangle fill, copy=1: rectangle copy.
- */
- static void pm2fb_block_op(struct pm2fb_info* i, int copy,
- s32 xsrc, s32 ysrc,
- s32 x, s32 y, s32 w, s32 h,
- u32 color) {
- if (!w || !h)
- return;
- WAIT_FIFO(i, 6);
- pm2_WR(i, PM2R_CONFIG, PM2F_CONFIG_FB_WRITE_ENABLE|
- PM2F_CONFIG_FB_READ_SOURCE_ENABLE);
- pm2_WR(i, PM2R_FB_PIXEL_OFFSET, 0);
- if (copy)
- pm2_WR(i, PM2R_FB_SOURCE_DELTA, ((ysrc-y)&0xfff)<<16|
- ((xsrc-x)&0xfff));
- else
- pm2_WR(i, PM2R_FB_BLOCK_COLOR, color);
- pm2_WR(i, PM2R_RECTANGLE_ORIGIN, (y<<16)|x);
- pm2_WR(i, PM2R_RECTANGLE_SIZE, (h<<16)|w);
- DEFW();
- pm2_WR(i, PM2R_RENDER, PM2F_RENDER_RECTANGLE|
- (x<xsrc?PM2F_INCREASE_X:0)|
- (y<ysrc?PM2F_INCREASE_Y:0)|
- (copy?0:PM2F_RENDER_FASTFILL));
- wait_pm2(i);
- }
- /***************************************************************************
- * Begin of generic initialization functions
- ***************************************************************************/
- static void pm2fb_reset(struct pm2fb_info* p) {
- if (p->type == PM2_TYPE_PERMEDIA2V)
- pm2_WR(p, PM2VR_RD_INDEX_HIGH, 0);
- pm2_WR(p, PM2R_RESET_STATUS, 0);
- DEFRW();
- while (pm2_RD(p, PM2R_RESET_STATUS)&PM2F_BEING_RESET);
- DEFRW();
- #ifdef CONFIG_FB_PM2_FIFO_DISCONNECT
- DPRINTK("FIFO disconnect enabledn");
- pm2_WR(p, PM2R_FIFO_DISCON, 1);
- DEFRW();
- #endif
- if (board_table[p->board].init)
- board_table[p->board].init(p);
- WAIT_FIFO(p, 48);
- pm2_WR(p, PM2R_CHIP_CONFIG, pm2_RD(p, PM2R_CHIP_CONFIG)&
- ~(PM2F_VGA_ENABLE|PM2F_VGA_FIXED));
- pm2_WR(p, PM2R_BYPASS_WRITE_MASK, ~(0L));
- pm2_WR(p, PM2R_FRAMEBUFFER_WRITE_MASK, ~(0L));
- pm2_WR(p, PM2R_FIFO_CONTROL, 0);
- pm2_WR(p, PM2R_FILTER_MODE, PM2F_SYNCHRONIZATION);
- pm2_WR(p, PM2R_APERTURE_ONE, 0);
- pm2_WR(p, PM2R_APERTURE_TWO, 0);
- pm2_WR(p, PM2R_LB_READ_FORMAT, 0);
- pm2_WR(p, PM2R_LB_WRITE_FORMAT, 0);
- pm2_WR(p, PM2R_LB_READ_MODE, 0);
- pm2_WR(p, PM2R_LB_SOURCE_OFFSET, 0);
- pm2_WR(p, PM2R_FB_SOURCE_OFFSET, 0);
- pm2_WR(p, PM2R_FB_PIXEL_OFFSET, 0);
- pm2_WR(p, PM2R_WINDOW_ORIGIN, 0);
- pm2_WR(p, PM2R_FB_WINDOW_BASE, 0);
- pm2_WR(p, PM2R_LB_WINDOW_BASE, 0);
- pm2_WR(p, PM2R_FB_SOFT_WRITE_MASK, ~(0L));
- pm2_WR(p, PM2R_FB_HARD_WRITE_MASK, ~(0L));
- pm2_WR(p, PM2R_FB_READ_PIXEL, 0);
- pm2_WR(p, PM2R_DITHER_MODE, 0);
- pm2_WR(p, PM2R_AREA_STIPPLE_MODE, 0);
- pm2_WR(p, PM2R_DEPTH_MODE, 0);
- pm2_WR(p, PM2R_STENCIL_MODE, 0);
- pm2_WR(p, PM2R_TEXTURE_ADDRESS_MODE, 0);
- pm2_WR(p, PM2R_TEXTURE_READ_MODE, 0);
- pm2_WR(p, PM2R_TEXEL_LUT_MODE, 0);
- pm2_WR(p, PM2R_YUV_MODE, 0);
- pm2_WR(p, PM2R_COLOR_DDA_MODE, 0);
- pm2_WR(p, PM2R_TEXTURE_COLOR_MODE, 0);
- pm2_WR(p, PM2R_FOG_MODE, 0);
- pm2_WR(p, PM2R_ALPHA_BLEND_MODE, 0);
- pm2_WR(p, PM2R_LOGICAL_OP_MODE, 0);
- pm2_WR(p, PM2R_STATISTICS_MODE, 0);
- pm2_WR(p, PM2R_SCISSOR_MODE, 0);
- switch (p->type) {
- case PM2_TYPE_PERMEDIA2:
- pm2_RDAC_WR(p, PM2I_RD_MODE_CONTROL, 0); /* no overlay */
- pm2_RDAC_WR(p, PM2I_RD_CURSOR_CONTROL, 0);
- pm2_RDAC_WR(p, PM2I_RD_MISC_CONTROL, PM2F_RD_PALETTE_WIDTH_8);
- break;
- case PM2_TYPE_PERMEDIA2V:
- pm2v_RDAC_WR(p, PM2VI_RD_MISC_CONTROL, 1); /* 8bit */
- break;
- }
- pm2_RDAC_WR(p, PM2I_RD_COLOR_KEY_CONTROL, 0);
- pm2_RDAC_WR(p, PM2I_RD_OVERLAY_KEY, 0);
- pm2_RDAC_WR(p, PM2I_RD_RED_KEY, 0);
- pm2_RDAC_WR(p, PM2I_RD_GREEN_KEY, 0);
- pm2_RDAC_WR(p, PM2I_RD_BLUE_KEY, 0);
- clear_palette(p);
- if (p->memclock)
- pm2_set_memclock(p, p->memclock);
- }
- static int __init pm2fb_conf(struct pm2fb_info* p){
- for (p->board=0; board_table[p->board].detect &&
- !(board_table[p->board].detect(p)); p->board++);
- if (!board_table[p->board].detect) {
- DPRINTK("no board found.n");
- return 0;
- }
- DPRINTK("found board: %sn", board_table[p->board].name);
- p->regions.p_fb=p->regions.fb_base;
- if (!request_mem_region(p->regions.p_fb, p->regions.fb_size,
- "pm2fb")) {
- printk (KERN_ERR "pm2fb: cannot reserve fb memory, abortn");
- return 0;
- }
- p->regions.v_fb=MMAP(p->regions.p_fb, p->regions.fb_size);
- #ifndef PM2FB_BE_APERTURE
- p->regions.p_regs=p->regions.rg_base;
- #else
- p->regions.p_regs=p->regions.rg_base+PM2_REGS_SIZE;
- #endif
- if (!request_mem_region(p->regions.p_regs, PM2_REGS_SIZE, "pm2fb")) {
- printk (KERN_ERR "pm2fb: cannot reserve mmio memory, abortn");
- UNMAP(p->regions.v_fb, p->regions.fb_size);
- return 0;
- }
- p->regions.v_regs=MMAP(p->regions.p_regs, PM2_REGS_SIZE);
- #ifdef PM2FB_HW_CURSOR
- p->cursor = pm2_init_cursor(p);
- #endif
- return 1;
- }
- /***************************************************************************
- * Begin of per-board initialization functions
- ***************************************************************************/
- /*
- * Phase5 CvisionPPC/BVisionPPC
- */
- #ifdef CONFIG_FB_PM2_CVPPC
- static int cvppc_PCI_init(struct cvppc_par* p) {
- extern u32 powerup_PCI_present;
- if (!powerup_PCI_present) {
- DPRINTK("no PCI bridge detectedn");
- return 0;
- }
- if (!(p->pci_config=MMAP(CVPPC_PCI_CONFIG, 256))) {
- DPRINTK("unable to map PCI config regionn");
- return 0;
- }
- if (RD32(p->pci_config, PCI_VENDOR_ID)!=
- ((PCI_DEVICE_ID_TI_TVP4020<<16)|PCI_VENDOR_ID_TI)) {
- DPRINTK("bad vendorID/deviceIDn");
- return 0;
- }
- if (!(p->pci_bridge=MMAP(CSPPC_PCI_BRIDGE, 256))) {
- DPRINTK("unable to map PCI bridgen");
- return 0;
- }
- WR32(p->pci_bridge, CSPPC_BRIDGE_ENDIAN, CSPPCF_BRIDGE_BIG_ENDIAN);
- DEFW();
- if (pm2fb_options.flags & OPTF_OLD_MEM)
- WR32(p->pci_config, PCI_CACHE_LINE_SIZE, 0xff00);
- WR32(p->pci_config, PCI_BASE_ADDRESS_0, CVPPC_REGS_REGION);
- WR32(p->pci_config, PCI_BASE_ADDRESS_1, CVPPC_FB_APERTURE_ONE);
- WR32(p->pci_config, PCI_BASE_ADDRESS_2, CVPPC_FB_APERTURE_TWO);
- WR32(p->pci_config, PCI_ROM_ADDRESS, CVPPC_ROM_ADDRESS);
- DEFW();
- WR32(p->pci_config, PCI_COMMAND, 0xef000000 |
- PCI_COMMAND_IO |
- PCI_COMMAND_MEMORY |
- PCI_COMMAND_MASTER);
- return 1;
- }
- static int __init cvppc_detect(struct pm2fb_info* p) {
- if (!cvppc_PCI_init(&p->board_par.cvppc))
- return 0;
- p->type = PM2_TYPE_PERMEDIA2;
- p->regions.fb_base=CVPPC_FB_APERTURE_ONE;
- p->regions.fb_size=CVPPC_FB_SIZE;
- p->regions.rg_base=CVPPC_REGS_REGION;
- p->memclock=CVPPC_MEMCLOCK;
- return 1;
- }
- static void cvppc_init(struct pm2fb_info* p) {
- WAIT_FIFO(p, 3);
- pm2_WR(p, PM2R_MEM_CONTROL, 0);
- pm2_WR(p, PM2R_BOOT_ADDRESS, 0x30);
- DEFW();
- if (pm2fb_options.flags & OPTF_OLD_MEM)
- pm2_WR(p, PM2R_MEM_CONFIG, CVPPC_MEM_CONFIG_OLD);
- else
- pm2_WR(p, PM2R_MEM_CONFIG, CVPPC_MEM_CONFIG_NEW);
- }
- #endif /* CONFIG_FB_PM2_CVPPC */
- /*
- * Generic PCI detection routines
- */
- #ifdef CONFIG_FB_PM2_PCI
- struct {
- unsigned short vendor, device;
- char *name;
- pm2type_t type;
- } pm2pci_cards[] __initdata = {
- { PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TVP4020, "Texas Instruments TVP4020", PM2_TYPE_PERMEDIA2 },
- { PCI_VENDOR_ID_3DLABS, PCI_DEVICE_ID_3DLABS_PERMEDIA2, "3dLabs Permedia 2", PM2_TYPE_PERMEDIA2 },
- { PCI_VENDOR_ID_3DLABS, PCI_DEVICE_ID_3DLABS_PERMEDIA2V, "3dLabs Permedia 2v", PM2_TYPE_PERMEDIA2V },
- { 0, 0 }
- };
- static int __init pm2pci_detect(struct pm2fb_info* p) {
- struct pm2pci_par* pci=&p->board_par.pci;
- struct pci_dev* dev;
- int i;
- unsigned char* m;
- #ifdef __sparc__
- struct pcidev_cookie *pcp;
- #endif
- memset(pci, 0, sizeof(struct pm2pci_par));
- if (!pci_present()) {
- DPRINTK("no PCI bus found.n");
- return 0;
- }
- DPRINTK("scanning PCI bus for known chipsets...n");
- pci_for_each_dev(dev) {
- for (i = 0; pm2pci_cards[i].vendor; i++)
- if (pm2pci_cards[i].vendor == dev->vendor &&
- pm2pci_cards[i].device == dev->device) {
- pci->dev = dev;
- p->type = pm2pci_cards[i].type;
- DPRINTK("... found %sn", pm2pci_cards[i].name);
- break;
- }
- if (pci->dev)
- break;
- }
- if (!pci->dev) {
- DPRINTK("no PCI board found.n");
- return 0;
- }
- DPRINTK("PCI board @%08lx %08lx %08lx rom %08lxn",
- pci->dev->resource[0].start,
- pci->dev->resource[1].start,
- pci->dev->resource[2].start,
- pci->dev->resource[PCI_ROM_RESOURCE].start);
- #ifdef __sparc__
- p->regions.rg_base= pci->dev->resource[0].start;
- p->regions.fb_base= pci->dev->resource[1].start;
- pcp = pci->dev->sysdata;
- /* If the user has not asked for a particular mode, lets guess */
- if (pcp->prom_node && !(pm2fb_options.flags & OPTF_USER)) {
- char timing[256], *q, *r;
- unsigned long w, h;
- int i;
- prom_getstring(pcp->prom_node, "timing-numbers", timing, 256);
- /* FIXME: Find out what the actual pixclock is and other values as well */
- if (timing[0]) {
- w = simple_strtoul(timing, &q, 0);
- h = 0;
- if (q == timing) w = 0;
- if (w) {
- for (i = 0; i < 3; i++) {
- for (r = q; *r && (*r < '0' || *r > '9'); r++);
- simple_strtoul(r, &q, 0);
- if (r == q) break;
- }
- if (i < 3) w = 0;
- }
- if (w) {
- for (r = q; *r && (*r < '0' || *r > '9'); r++);
- h = simple_strtoul(r, &q, 0);
- if (r == q) w = 0;
- }
- if (w == 640 && h == 480) w = 0;
- if (w) {
- for (i=0; user_mode[i].name[0] &&
- (w != user_mode[i].par.width ||
- h != user_mode[i].par.height); i++);
- if (user_mode[i].name[0])
- memcpy(&p->current_par, &user_mode[i].par, sizeof(user_mode[i].par));
- }
- }
- }
- #else
- if (pm2fb_options.flags & OPTF_VIRTUAL) {
- p->regions.rg_base = __pa(pci_resource_start(pci->dev, 0));
- p->regions.fb_base = __pa(pci_resource_start(pci->dev, 1));
- }
- else {
- p->regions.rg_base = pci_resource_start(pci->dev, 0);
- p->regions.fb_base = pci_resource_start(pci->dev, 1);
- }
- #endif
- #ifdef PM2FB_BE_APERTURE
- p->regions.rg_base += PM2_REGS_SIZE;
- #endif
- if ((m=MMAP(p->regions.rg_base, PM2_REGS_SIZE))) {
- pci->mem_control=RD32(m, PM2R_MEM_CONTROL);
- pci->boot_address=RD32(m, PM2R_BOOT_ADDRESS);
- pci->mem_config=RD32(m, PM2R_MEM_CONFIG);
- switch (pci->mem_config & PM2F_MEM_CONFIG_RAM_MASK) {
- case PM2F_MEM_BANKS_1:
- p->regions.fb_size=0x200000;
- break;
- case PM2F_MEM_BANKS_2:
- p->regions.fb_size=0x400000;
- break;
- case PM2F_MEM_BANKS_3:
- p->regions.fb_size=0x600000;
- break;
- case PM2F_MEM_BANKS_4:
- p->regions.fb_size=0x800000;
- break;
- }
- p->memclock=CVPPC_MEMCLOCK;
- UNMAP(m, PM2_REGS_SIZE);
- return 1;
- }
- DPRINTK("MMAP() failed.n");
- return 0;
- }
- static void pm2pci_init(struct pm2fb_info* p) {
- struct pm2pci_par* pci=&p->board_par.pci;
- WAIT_FIFO(p, 3);
- pm2_WR(p, PM2R_MEM_CONTROL, pci->mem_control);
- pm2_WR(p, PM2R_BOOT_ADDRESS, pci->boot_address);
- DEFW();
- pm2_WR(p, PM2R_MEM_CONFIG, pci->mem_config);
- }
- #endif /* CONFIG_FB_PM2_PCI */
- /***************************************************************************
- * Console hw acceleration
- ***************************************************************************/
- static int pm2fb_blank(int blank_mode, struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- u32 video;
- if (!i->current_par_valid)
- return 1;
- video=i->current_par.video;
- if (blank_mode>0) {
- switch (blank_mode-1) {
- case VESA_NO_BLANKING: /* FIXME */
- video=video&~(PM2F_VIDEO_ENABLE);
- break;
- case VESA_HSYNC_SUSPEND:
- video=video&~(PM2F_HSYNC_MASK|
- PM2F_BLANK_LOW);
- break;
- case VESA_VSYNC_SUSPEND:
- video=video&~(PM2F_VSYNC_MASK|
- PM2F_BLANK_LOW);
- break;
- case VESA_POWERDOWN:
- video=video&~(PM2F_VSYNC_MASK|
- PM2F_HSYNC_MASK|
- PM2F_BLANK_LOW);
- break;
- }
- }
- WAIT_FIFO(i, 1);
- pm2_WR(i, PM2R_VIDEO_CONTROL, video);
- return 0;
- }
- static int pm2fb_pan_display(const struct fb_var_screeninfo* var,
- struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- if (!i->current_par_valid)
- return -EINVAL;
- i->current_par.base=to3264(var->yoffset*i->current_par.width+
- var->xoffset, i->current_par.depth, 1);
- WAIT_FIFO(i, 1);
- pm2_WR(i, PM2R_SCREEN_BASE, i->current_par.base);
- return 0;
- }
- static void pm2fb_pp_bmove(struct display* p, int sy, int sx,
- int dy, int dx, int height, int width) {
- if (fontwidthlog(p)) {
- sx=sx<<fontwidthlog(p);
- dx=dx<<fontwidthlog(p);
- width=width<<fontwidthlog(p);
- }
- else {
- sx=sx*fontwidth(p);
- dx=dx*fontwidth(p);
- width=width*fontwidth(p);
- }
- sy=sy*fontheight(p);
- dy=dy*fontheight(p);
- height=height*fontheight(p);
- pm2fb_pp_copy((struct pm2fb_info* )p->fb_info, sx, sy, dx,
- dy, width, height);
- }
- static void pm2fb_bmove(struct display* p, int sy, int sx,
- int dy, int dx, int height, int width) {
- if (fontwidthlog(p)) {
- sx=sx<<fontwidthlog(p);
- dx=dx<<fontwidthlog(p);
- width=width<<fontwidthlog(p);
- }
- else {
- sx=sx*fontwidth(p);
- dx=dx*fontwidth(p);
- width=width*fontwidth(p);
- }
- sy=sy*fontheight(p);
- dy=dy*fontheight(p);
- height=height*fontheight(p);
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 1, sx, sy, dx, dy,
- width, height, 0);
- }
- #ifdef FBCON_HAS_CFB8
- static void pm2fb_clear8(struct vc_data* conp, struct display* p,
- int sy, int sx, int height, int width) {
- u32 c;
- sx=sx*fontwidth(p);
- width=width*fontwidth(p);
- sy=sy*fontheight(p);
- height=height*fontheight(p);
- c=attr_bgcol_ec(p, conp);
- c|=c<<8;
- c|=c<<16;
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy,
- width, height, c);
- }
- static void pm2fb_clear_margins8(struct vc_data* conp, struct display* p,
- int bottom_only) {
- u32 c;
- u32 sx;
- u32 sy;
- c=attr_bgcol_ec(p, conp);
- c|=c<<8;
- c|=c<<16;
- sx=conp->vc_cols*fontwidth(p);
- sy=conp->vc_rows*fontheight(p);
- if (!bottom_only)
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- sx, 0, (p->var.xres-sx), p->var.yres_virtual, c);
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- 0, p->var.yoffset+sy, sx, p->var.yres-sy, c);
- }
- static struct display_switch pm2_cfb8 = {
- setup: fbcon_cfb8_setup,
- bmove: pm2fb_pp_bmove,
- #ifdef __alpha__
- /* Not sure why, but this works and the other does not. */
- /* Also, perhaps we need a separate routine to wait for the
- blitter to stop before doing this? */
- /* In addition, maybe we need to do this for 16 and 32 bit depths? */
- clear: fbcon_cfb8_clear,
- #else
- clear: pm2fb_clear8,
- #endif
- putc: fbcon_cfb8_putc,
- putcs: fbcon_cfb8_putcs,
- revc: fbcon_cfb8_revc,
- cursor: pm2fb_cursor,
- set_font: pm2fb_set_font,
- clear_margins: pm2fb_clear_margins8,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16) };
- #endif /* FBCON_HAS_CFB8 */
- #ifdef FBCON_HAS_CFB16
- static void pm2fb_clear16(struct vc_data* conp, struct display* p,
- int sy, int sx, int height, int width) {
- u32 c;
- sx=sx*fontwidth(p);
- width=width*fontwidth(p);
- sy=sy*fontheight(p);
- height=height*fontheight(p);
- c=((u16 *)p->dispsw_data)[attr_bgcol_ec(p, conp)];
- c|=c<<16;
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy,
- width, height, c);
- }
- static void pm2fb_clear_margins16(struct vc_data* conp, struct display* p,
- int bottom_only) {
- u32 c;
- u32 sx;
- u32 sy;
- c = ((u16 *)p->dispsw_data)[attr_bgcol_ec(p, conp)];
- c|=c<<16;
- sx=conp->vc_cols*fontwidth(p);
- sy=conp->vc_rows*fontheight(p);
- if (!bottom_only)
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- sx, 0, (p->var.xres-sx), p->var.yres_virtual, c);
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- 0, p->var.yoffset+sy, sx, p->var.yres-sy, c);
- }
- static struct display_switch pm2_cfb16 = {
- setup: fbcon_cfb16_setup,
- bmove: pm2fb_pp_bmove,
- clear: pm2fb_clear16,
- putc: fbcon_cfb16_putc,
- putcs: fbcon_cfb16_putcs,
- revc: fbcon_cfb16_revc,
- cursor: pm2fb_cursor,
- set_font: pm2fb_set_font,
- clear_margins: pm2fb_clear_margins16,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif /* FBCON_HAS_CFB16 */
- #ifdef FBCON_HAS_CFB24
- /*
- * fast fill for 24bpp works only when red==green==blue
- */
- static void pm2fb_clear24(struct vc_data* conp, struct display* p,
- int sy, int sx, int height, int width) {
- struct pm2fb_info* i=(struct pm2fb_info* )p->fb_info;
- u32 c;
- c=attr_bgcol_ec(p, conp);
- if ( i->palette[c].red==i->palette[c].green &&
- i->palette[c].green==i->palette[c].blue) {
- c=((u32 *)p->dispsw_data)[c];
- c|=(c&0xff0000)<<8;
- sx=sx*fontwidth(p);
- width=width*fontwidth(p);
- sy=sy*fontheight(p);
- height=height*fontheight(p);
- pm2fb_block_op(i, 0, 0, 0, sx, sy, width, height, c);
- }
- else
- fbcon_cfb24_clear(conp, p, sy, sx, height, width);
- }
- static void pm2fb_clear_margins24(struct vc_data* conp, struct display* p,
- int bottom_only) {
- struct pm2fb_info* i=(struct pm2fb_info* )p->fb_info;
- u32 c;
- u32 sx;
- u32 sy;
- c=attr_bgcol_ec(p, conp);
- if ( i->palette[c].red==i->palette[c].green &&
- i->palette[c].green==i->palette[c].blue) {
- c=((u32 *)p->dispsw_data)[c];
- c|=(c&0xff0000)<<8;
- sx=conp->vc_cols*fontwidth(p);
- sy=conp->vc_rows*fontheight(p);
- if (!bottom_only)
- pm2fb_block_op(i, 0, 0, 0, sx, 0, (p->var.xres-sx),
- p->var.yres_virtual, c);
- pm2fb_block_op(i, 0, 0, 0, 0, p->var.yoffset+sy,
- sx, p->var.yres-sy, c);
- }
- else
- fbcon_cfb24_clear_margins(conp, p, bottom_only);
- }
- static struct display_switch pm2_cfb24 = {
- setup: fbcon_cfb24_setup,
- bmove: pm2fb_bmove,
- clear: pm2fb_clear24,
- putc: fbcon_cfb24_putc,
- putcs: fbcon_cfb24_putcs,
- revc: fbcon_cfb24_revc,
- cursor: pm2fb_cursor,
- set_font: pm2fb_set_font,
- clear_margins: pm2fb_clear_margins24,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif /* FBCON_HAS_CFB24 */
- #ifdef FBCON_HAS_CFB32
- static void pm2fb_clear32(struct vc_data* conp, struct display* p,
- int sy, int sx, int height, int width) {
- u32 c;
- sx=sx*fontwidth(p);
- width=width*fontwidth(p);
- sy=sy*fontheight(p);
- height=height*fontheight(p);
- c=((u32 *)p->dispsw_data)[attr_bgcol_ec(p, conp)];
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0, sx, sy,
- width, height, c);
- }
- static void pm2fb_clear_margins32(struct vc_data* conp, struct display* p,
- int bottom_only) {
- u32 c;
- u32 sx;
- u32 sy;
- c = ((u32 *)p->dispsw_data)[attr_bgcol_ec(p, conp)];
- sx=conp->vc_cols*fontwidth(p);
- sy=conp->vc_rows*fontheight(p);
- if (!bottom_only)
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- sx, 0, (p->var.xres-sx), p->var.yres_virtual, c);
- pm2fb_block_op((struct pm2fb_info* )p->fb_info, 0, 0, 0,
- 0, p->var.yoffset+sy, sx, p->var.yres-sy, c);
- }
- static struct display_switch pm2_cfb32 = {
- setup: fbcon_cfb32_setup,
- bmove: pm2fb_bmove,
- clear: pm2fb_clear32,
- putc: fbcon_cfb32_putc,
- putcs: fbcon_cfb32_putcs,
- revc: fbcon_cfb32_revc,
- cursor: pm2fb_cursor,
- set_font: pm2fb_set_font,
- clear_margins: pm2fb_clear_margins32,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif /* FBCON_HAS_CFB32 */
- /***************************************************************************
- * Framebuffer functions
- ***************************************************************************/
- static void pm2fb_detect(void) {}
- static int pm2fb_encode_fix(struct fb_fix_screeninfo* fix,
- const void* par, struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- struct pm2fb_par* p=(struct pm2fb_par* )par;
- strcpy(fix->id, permedia2_name);
- fix->smem_start=i->regions.p_fb;
- fix->smem_len=i->regions.fb_size;
- fix->mmio_start=i->regions.p_regs;
- fix->mmio_len=PM2_REGS_SIZE;
- fix->accel=FB_ACCEL_3DLABS_PERMEDIA2;
- fix->type=FB_TYPE_PACKED_PIXELS;
- fix->visual=p->depth==8?FB_VISUAL_PSEUDOCOLOR:FB_VISUAL_TRUECOLOR;
- if (i->current_par_valid)
- fix->line_length=i->current_par.width*(i->current_par.depth/8);
- else
- fix->line_length=0;
- fix->xpanstep=p->depth==24?8:64/p->depth;
- fix->ypanstep=1;
- fix->ywrapstep=0;
- return 0;
- }
- #ifdef PM2FB_MASTER_DEBUG
- static void pm2fb_display_var(const struct fb_var_screeninfo* var) {
- printk( KERN_DEBUG
- "- struct fb_var_screeninfo ---------------------------------------------------n");
- printk( KERN_DEBUG
- "resolution: %ux%ux%u (virtual %ux%u+%u+%u)n",
- var->xres, var->yres, var->bits_per_pixel,
- var->xres_virtual, var->yres_virtual,
- var->xoffset, var->yoffset);
- printk( KERN_DEBUG
- "color: %c%c "
- "R(%u,%u,%u), G(%u,%u,%u), B(%u,%u,%u), T(%u,%u,%u)n",
- var->grayscale?'G':'C', var->nonstd?'N':'S',
- var->red.offset, var->red.length, var->red.msb_right,
- var->green.offset, var->green.length, var->green.msb_right,
- var->blue.offset, var->blue.length, var->blue.msb_right,
- var->transp.offset, var->transp.length,
- var->transp.msb_right);
- printk( KERN_DEBUG
- "timings: %ups (%u,%u)-(%u,%u)+%u+%un",
- var->pixclock,
- var->left_margin, var->upper_margin, var->right_margin,
- var->lower_margin, var->hsync_len, var->vsync_len);
- printk( KERN_DEBUG
- "activate %08x accel_flags %08x sync %08x vmode %08xn",
- var->activate, var->accel_flags, var->sync, var->vmode);
- printk( KERN_DEBUG
- "------------------------------------------------------------------------------n");
- }
- #define pm2fb_decode_var pm2fb_wrapped_decode_var
- #endif
- static int pm2fb_decode_var(const struct fb_var_screeninfo* var,
- void* par, struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- struct pm2fb_par p;
- u32 xres;
- int data64;
- memset(&p, 0, sizeof(struct pm2fb_par));
- p.width=(var->xres_virtual+7)&~7;
- p.height=var->yres_virtual;
- p.depth=(var->bits_per_pixel+7)&~7;
- p.depth=p.depth>32?32:p.depth;
- data64=p.depth>8 || i->type == PM2_TYPE_PERMEDIA2V;
- xres=(var->xres+31)&~31;
- if (p.width<xres+var->xoffset)
- p.width=xres+var->xoffset;
- if (p.height<var->yres+var->yoffset)
- p.height=var->yres+var->yoffset;
- if (!partprod(xres)) {
- DPRINTK("width not supported: %un", xres);
- return -EINVAL;
- }
- if (p.width>2047) {
- DPRINTK("virtual width not supported: %un", p.width);
- return -EINVAL;
- }
- if (var->yres<200) {
- DPRINTK("height not supported: %un",
- (u32 )var->yres);
- return -EINVAL;
- }
- if (p.height<200 || p.height>2047) {
- DPRINTK("virtual height not supported: %un", p.height);
- return -EINVAL;
- }
- if (p.depth>32) {
- DPRINTK("depth not supported: %un", p.depth);
- return -EINVAL;
- }
- if (p.width*p.height*p.depth/8>i->regions.fb_size) {
- DPRINTK("no memory for screen (%ux%ux%u)n",
- p.width, p.height, p.depth);
- return -EINVAL;
- }
- p.pixclock=PICOS2KHZ(var->pixclock);
- if (p.pixclock>PM2_MAX_PIXCLOCK) {
- DPRINTK("pixclock too high (%uKHz)n", p.pixclock);
- return -EINVAL;
- }
- p.hsstart=to3264(var->right_margin, p.depth, data64);
- p.hsend=p.hsstart+to3264(var->hsync_len, p.depth, data64);
- p.hbend=p.hsend+to3264(var->left_margin, p.depth, data64);
- p.htotal=to3264(xres, p.depth, data64)+p.hbend-1;
- p.vsstart=var->lower_margin?var->lower_margin-1:0; /* FIXME! */
- p.vsend=var->lower_margin+var->vsync_len-1;
- p.vbend=var->lower_margin+var->vsync_len+var->upper_margin;
- p.vtotal=var->yres+p.vbend-1;
- p.stride=to3264(p.width, p.depth, 1);
- p.base=to3264(var->yoffset*xres+var->xoffset, p.depth, 1);
- if (data64)
- p.video|=PM2F_DATA_64_ENABLE;
- if (var->sync & FB_SYNC_HOR_HIGH_ACT)
- p.video|=PM2F_HSYNC_ACT_HIGH;
- else
- p.video|=PM2F_HSYNC_ACT_LOW;
- if (var->sync & FB_SYNC_VERT_HIGH_ACT)
- p.video|=PM2F_VSYNC_ACT_HIGH;
- else
- p.video|=PM2F_VSYNC_ACT_LOW;
- if ((var->vmode & FB_VMODE_MASK)==FB_VMODE_INTERLACED) {
- DPRINTK("interlaced not supportedn");
- return -EINVAL;
- }
- if ((var->vmode & FB_VMODE_MASK)==FB_VMODE_DOUBLE)
- p.video|=PM2F_LINE_DOUBLE;
- if (var->activate==FB_ACTIVATE_NOW)
- p.video|=PM2F_VIDEO_ENABLE;
- *((struct pm2fb_par* )par)=p;
- return 0;
- }
- #ifdef PM2FB_MASTER_DEBUG
- #undef pm2fb_decode_var
- static int pm2fb_decode_var(const struct fb_var_screeninfo* var,
- void* par, struct fb_info_gen* info) {
- int result;
- result=pm2fb_wrapped_decode_var(var, par, info);
- pm2fb_display_var(var);
- return result;
- }
- #endif
- static int pm2fb_encode_var(struct fb_var_screeninfo* var,
- const void* par, struct fb_info_gen* info) {
- struct pm2fb_par* p=(struct pm2fb_par* )par;
- struct fb_var_screeninfo v;
- u32 base;
- memset(&v, 0, sizeof(struct fb_var_screeninfo));
- v.xres_virtual=p->width;
- v.yres_virtual=p->height;
- v.xres=(p->htotal+1)-p->hbend;
- v.yres=(p->vtotal+1)-p->vbend;
- v.right_margin=p->hsstart;
- v.hsync_len=p->hsend-p->hsstart;
- v.left_margin=p->hbend-p->hsend;
- v.lower_margin=p->vsstart+1;
- v.vsync_len=p->vsend-v.lower_margin+1;
- v.upper_margin=p->vbend-v.lower_margin-v.vsync_len;
- v.bits_per_pixel=p->depth;
- if (p->video & PM2F_DATA_64_ENABLE) {
- v.xres=v.xres<<1;
- v.right_margin=v.right_margin<<1;
- v.hsync_len=v.hsync_len<<1;
- v.left_margin=v.left_margin<<1;
- }
- switch (p->depth) {
- case 8:
- v.red.length=v.green.length=v.blue.length=8;
- v.xres=v.xres<<2;
- v.right_margin=v.right_margin<<2;
- v.hsync_len=v.hsync_len<<2;
- v.left_margin=v.left_margin<<2;
- break;
- case 16:
- v.red.offset=11;
- v.red.length=5;
- v.green.offset=5;
- v.green.length=6;
- v.blue.length=5;
- v.xres=v.xres<<1;
- v.right_margin=v.right_margin<<1;
- v.hsync_len=v.hsync_len<<1;
- v.left_margin=v.left_margin<<1;
- break;
- case 32:
- v.transp.offset=24;
- v.red.offset=16;
- v.green.offset=8;
- v.red.length=v.green.length=v.blue.length=
- v.transp.length=8;
- break;
- case 24:
- v.blue.offset=16;
- v.green.offset=8;
- v.red.length=v.green.length=v.blue.length=8;
- v.xres=(v.xres<<2)/3;
- v.right_margin=(v.right_margin<<2)/3;
- v.hsync_len=(v.hsync_len<<2)/3;
- v.left_margin=(v.left_margin<<2)/3;
- break;
- }
- base=from3264(p->base, p->depth, 1);
- v.xoffset=base%v.xres;
- v.yoffset=base/v.xres;
- v.height=v.width=-1;
- v.pixclock=KHZ2PICOS(p->pixclock);
- if ((p->video & PM2F_HSYNC_MASK)==PM2F_HSYNC_ACT_HIGH)
- v.sync|=FB_SYNC_HOR_HIGH_ACT;
- if ((p->video & PM2F_VSYNC_MASK)==PM2F_VSYNC_ACT_HIGH)
- v.sync|=FB_SYNC_VERT_HIGH_ACT;
- if (p->video & PM2F_LINE_DOUBLE)
- v.vmode=FB_VMODE_DOUBLE;
- *var=v;
- return 0;
- }
- static void set_user_mode(struct pm2fb_info* i) {
- if (pm2fb_options.flags & OPTF_YPAN) {
- int h = i->current_par.height;
- i->current_par.height=i->regions.fb_size/
- (i->current_par.width*i->current_par.depth/8);
- i->current_par.height=MIN(i->current_par.height,2047);
- i->current_par.height=MAX(i->current_par.height,h);
- }
- }
- static void pm2fb_get_par(void* par, struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
-
- if (!i->current_par_valid) {
- set_user_mode(i);
- pm2fb_reset(i);
- set_screen(i, &i->current_par);
- i->current_par_valid=1;
- }
- *((struct pm2fb_par* )par)=i->current_par;
- }
- static void pm2fb_set_par(const void* par, struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- struct pm2fb_par* p;
- p=(struct pm2fb_par* )par;
- if (i->current_par_valid) {
- i->current_par.base=p->base;
- if (!memcmp(p, &i->current_par, sizeof(struct pm2fb_par))) {
- WAIT_FIFO(i, 1);
- pm2_WR(i, PM2R_SCREEN_BASE, p->base);
- return;
- }
- }
- set_screen(i, p);
- i->current_par=*p;
- i->current_par_valid=1;
- #ifdef PM2FB_HW_CURSOR
- if (i->cursor) {
- pm2v_set_cursor_color(i, cursor_color_map, cursor_color_map, cursor_color_map);
- pm2v_set_cursor_shape(i);
- }
- #endif
- }
- static int pm2fb_getcolreg(unsigned regno,
- unsigned* red, unsigned* green, unsigned* blue,
- unsigned* transp, struct fb_info* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- if (regno<256) {
- *red=i->palette[regno].red<<8|i->palette[regno].red;
- *green=i->palette[regno].green<<8|i->palette[regno].green;
- *blue=i->palette[regno].blue<<8|i->palette[regno].blue;
- *transp=i->palette[regno].transp<<8|i->palette[regno].transp;
- }
- return regno>255;
- }
- static int pm2fb_setcolreg(unsigned regno,
- unsigned red, unsigned green, unsigned blue,
- unsigned transp, struct fb_info* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- if (regno<16) {
- switch (i->current_par.depth) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- break;
- #endif
- #ifdef FBCON_HAS_CFB16
- case 16:
- i->cmap.cmap16[regno]=
- ((u32 )red & 0xf800) |
- (((u32 )green & 0xfc00)>>5) |
- (((u32 )blue & 0xf800)>>11);
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- i->cmap.cmap24[regno]=
- (((u32 )blue & 0xff00) << 8) |
- ((u32 )green & 0xff00) |
- (((u32 )red & 0xff00) >> 8);
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- i->cmap.cmap32[regno]=
- (((u32 )transp & 0xff00) << 16) |
- (((u32 )red & 0xff00) << 8) |
- (((u32 )green & 0xff00)) |
- (((u32 )blue & 0xff00) >> 8);
- break;
- #endif
- default:
- DPRINTK("bad depth %un",
- i->current_par.depth);
- break;
- }
- }
- if (regno<256) {
- i->palette[regno].red=red >> 8;
- i->palette[regno].green=green >> 8;
- i->palette[regno].blue=blue >> 8;
- i->palette[regno].transp=transp >> 8;
- if (i->current_par.depth==8)
- set_color(i, regno, red>>8, green>>8, blue>>8);
- }
- return regno>255;
- }
- static void pm2fb_set_disp(const void* par, struct display* disp,
- struct fb_info_gen* info) {
- struct pm2fb_info* i=(struct pm2fb_info* )info;
- unsigned long flags;
- unsigned long depth;
- save_flags(flags);
- cli();
- disp->screen_base = i->regions.v_fb;
- switch (depth=((struct pm2fb_par* )par)->depth) {
- #ifdef FBCON_HAS_CFB8
- case 8:
- disp->dispsw=&pm2_cfb8;
- break;
- #endif
- #ifdef FBCON_HAS_CFB16
- case 16:
- disp->dispsw=&pm2_cfb16;
- disp->dispsw_data=i->cmap.cmap16;
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- disp->dispsw=&pm2_cfb24;
- disp->dispsw_data=i->cmap.cmap24;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32:
- disp->dispsw=&pm2_cfb32;
- disp->dispsw_data=i->cmap.cmap32;
- break;
- #endif
- default:
- disp->dispsw=&fbcon_dummy;
- break;
- }
- restore_flags(flags);
- }
- #ifdef PM2FB_HW_CURSOR
- /***************************************************************************
- * Hardware cursor support
- ***************************************************************************/
-
- static u8 cursor_bits_lookup[16] = {
- 0x00, 0x40, 0x10, 0x50, 0x04, 0x44, 0x14, 0x54,
- 0x01, 0x41, 0x11, 0x51, 0x05, 0x45, 0x15, 0x55
- };
- static u8 cursor_mask_lookup[16] = {
- 0x00, 0x80, 0x20, 0xa0, 0x08, 0x88, 0x28, 0xa8,
- 0x02, 0x82, 0x22, 0xa2, 0x0a, 0x8a, 0x2a, 0xaa
- };
- static void pm2v_set_cursor_color(struct pm2fb_info *fb, u8 *red, u8 *green, u8 *blue)
- {
- struct pm2_cursor *c = fb->cursor;
- int i;
- for (i = 0; i < 2; i++) {
- c->color[3*i] = red[i];
- c->color[3*i+1] = green[i];
- c->color[3*i+2] = blue[i];
- }
- WAIT_FIFO(fb, 14);
- pm2_WR(fb, PM2VR_RD_INDEX_HIGH, PM2VI_RD_CURSOR_PALETTE >> 8);
- for (i = 0; i < 6; i++)
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PALETTE+i, c->color[i]);
- pm2_WR(fb, PM2VR_RD_INDEX_HIGH, 0);
- }
- static void pm2v_set_cursor_shape(struct pm2fb_info *fb)
- {
- struct pm2_cursor *c = fb->cursor;
- u8 m, b;
- int i, x, y;
- WAIT_FIFO(fb, 1);
- pm2_WR(fb, PM2VR_RD_INDEX_HIGH, PM2VI_RD_CURSOR_PATTERN >> 8);
- for (y = 0, i = 0; y < c->size.y; y++) {
- WAIT_FIFO(fb, 32);
- for (x = 0; x < c->size.x >> 3; x++) {
- m = c->mask[x][y];
- b = c->bits[x][y];
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i,
- cursor_mask_lookup[m >> 4] |
- cursor_bits_lookup[(b & m) >> 4]);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i + 1,
- cursor_mask_lookup[m & 0x0f] |
- cursor_bits_lookup[(b & m) & 0x0f]);
- i+=2;
- }
- for ( ; x < 8; x++) {
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i, 0);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i + 1, 0);
- i+=2;
- }
- }
- for (; y < 64; y++) {
- WAIT_FIFO(fb, 32);
- for (x = 0; x < 8; x++) {
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i, 0);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_PATTERN + i + 1, 0);
- i+=2;
- }
- }
- WAIT_FIFO(fb, 1);
- pm2_WR(fb, PM2VR_RD_INDEX_HIGH, 0);
- }
- static void pm2v_set_cursor(struct pm2fb_info *fb, int on)
- {
- struct pm2_cursor *c = fb->cursor;
- int x = c->pos.x;
- if (!on) x = 4000;
- WAIT_FIFO(fb, 14);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_X_LOW, x & 0xff);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_X_HIGH, (x >> 8) & 0x0f);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_Y_LOW, c->pos.y & 0xff);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_Y_HIGH, (c->pos.y >> 8) & 0x0f);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_X_HOT, c->hot.x & 0x3f);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_Y_HOT, c->hot.y & 0x3f);
- pm2v_RDAC_WR(fb, PM2VI_RD_CURSOR_MODE, 0x11);
- }
- static void pm2_cursor_timer_handler(unsigned long dev_addr)
- {
- struct pm2fb_info *fb = (struct pm2fb_info *)dev_addr;
- if (!fb->cursor->enable)
- goto out;
- if (fb->cursor->vbl_cnt && --fb->cursor->vbl_cnt == 0) {
- fb->cursor->on ^= 1;
- pm2v_set_cursor(fb, fb->cursor->on);
- fb->cursor->vbl_cnt = fb->cursor->blink_rate;
- }
- out:
- fb->cursor->timer->expires = jiffies + (HZ / 50);
- add_timer(fb->cursor->timer);
- }
- static void pm2fb_cursor(struct display *p, int mode, int x, int y)
- {
- struct pm2fb_info *fb = (struct pm2fb_info *)p->fb_info;
- struct pm2_cursor *c = fb->cursor;
- if (!c) return;
- x *= fontwidth(p);
- y *= fontheight(p);
- if (c->pos.x == x && c->pos.y == y && (mode == CM_ERASE) == !c->enable)
- return;
- c->enable = 0;
- if (c->on)
- pm2v_set_cursor(fb, 0);
- c->pos.x = x;
- c->pos.y = y;
- switch (mode) {
- case CM_ERASE:
- c->on = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- if (c->on)
- pm2v_set_cursor(fb, 1);
- else
- c->vbl_cnt = CURSOR_DRAW_DELAY;
- c->enable = 1;
- break;
- }
- }
- static struct pm2_cursor * __init pm2_init_cursor(struct pm2fb_info *fb)
- {
- struct pm2_cursor *cursor;
- if (fb->type != PM2_TYPE_PERMEDIA2V)
- return 0; /* FIXME: Support hw cursor everywhere */
- cursor = kmalloc(sizeof(struct pm2_cursor), GFP_ATOMIC);
- if (!cursor)
- return 0;
- memset(cursor, 0, sizeof(*cursor));
- cursor->timer = kmalloc(sizeof(*cursor->timer), GFP_KERNEL);
- if (!cursor->timer) {
- kfree(cursor);
- return 0;
- }
- memset(cursor->timer, 0, sizeof(*cursor->timer));
- cursor->blink_rate = DEFAULT_CURSOR_BLINK_RATE;
- if (curblink) {
- init_timer(cursor->timer);
- cursor->timer->expires = jiffies + (HZ / 50);
- cursor->timer->data = (unsigned long)fb;
- cursor->timer->function = pm2_cursor_timer_handler;
- add_timer(cursor->timer);
- }
- return cursor;
- }
- static int pm2fb_set_font(struct display *d, int width, int height)
- {
- struct pm2fb_info *fb = (struct pm2fb_info *)d->fb_info;
- struct pm2_cursor *c = fb->cursor;
- int i, j;
- if (c) {
- if (!width || !height) {
- width = 8;
- height = 16;
- }
- c->hot.x = 0;
- c->hot.y = 0;
- c->size.x = width;
- c->size.y = height;
- memset(c->bits, 0xff, sizeof(c->bits));
- memset(c->mask, 0, sizeof(c->mask));
- for (i = 0, j = width; j >= 0; j -= 8, i++) {
- c->mask[i][height-2] = (j >= 8) ? 0xff : (0xff << (8 - j));
- c->mask[i][height-1] = (j >= 8) ? 0xff : (0xff << (8 - j));
- }
- pm2v_set_cursor_color(fb, cursor_color_map, cursor_color_map, cursor_color_map);
- pm2v_set_cursor_shape(fb);
- }
- return 1;
- }
- #endif /* PM2FB_HW_CURSOR */
- /***************************************************************************
- * Begin of public functions
- ***************************************************************************/
- #ifdef MODULE
- static void pm2fb_cleanup(void) {
- struct pm2fb_info* i = &fb_info;
- unregister_framebuffer((struct fb_info *)i);
- pm2fb_reset(i);
- UNMAP(i->regions.v_fb, i->regions.fb_size);
- release_mem_region(i->regions.p_fb, i->regions.fb_size);
- UNMAP(i->regions.v_regs, PM2_REGS_SIZE);
- release_mem_region(i->regions.p_regs, PM2_REGS_SIZE);
- if (board_table[i->board].cleanup)
- board_table[i->board].cleanup(i);
- }
- #endif /* MODULE */
- int __init pm2fb_init(void){
- MOD_INC_USE_COUNT;
- memset(&fb_info, 0, sizeof(fb_info));
- memcpy(&fb_info.current_par, &pm2fb_options.user_mode, sizeof(fb_info.current_par));
- if (!pm2fb_conf(&fb_info)) {
- MOD_DEC_USE_COUNT;
- return -ENXIO;
- }
- pm2fb_reset(&fb_info);
- fb_info.disp.scrollmode=SCROLL_YNOMOVE;
- fb_info.gen.parsize=sizeof(struct pm2fb_par);
- fb_info.gen.fbhw=&pm2fb_hwswitch;
- strcpy(fb_info.gen.info.modename, permedia2_name);
- fb_info.gen.info.flags=FBINFO_FLAG_DEFAULT;
- fb_info.gen.info.fbops=&pm2fb_ops;
- fb_info.gen.info.disp=&fb_info.disp;
- strcpy(fb_info.gen.info.fontname, pm2fb_options.font);
- fb_info.gen.info.switch_con=&fbgen_switch;
- fb_info.gen.info.updatevar=&fbgen_update_var;
- fb_info.gen.info.blank=&fbgen_blank;
- fbgen_get_var(&fb_info.disp.var, -1, &fb_info.gen.info);
- fbgen_do_set_var(&fb_info.disp.var, 1, &fb_info.gen);
- fbgen_set_disp(-1, &fb_info.gen);
- fbgen_install_cmap(0, &fb_info.gen);
- if (register_framebuffer(&fb_info.gen.info)<0) {
- printk(KERN_ERR "pm2fb: unable to register.n");
- MOD_DEC_USE_COUNT;
- return -EINVAL;
- }
- printk(KERN_INFO "fb%d: %s (%s), using %uK of video memory.n",
- GET_FB_IDX(fb_info.gen.info.node),
- board_table[fb_info.board].name,
- permedia2_name,
- (u32 )(fb_info.regions.fb_size>>10));
- return 0;
- }
- static void __init pm2fb_mode_setup(char* options){
- int i;
- for (i=0; user_mode[i].name[0] &&
- strcmp(options, user_mode[i].name); i++);
- if (user_mode[i].name[0]) {
- memcpy(&pm2fb_options.user_mode, &user_mode[i].par,
- sizeof(pm2fb_options.user_mode));
- pm2fb_options.flags |= OPTF_USER;
- }
- }
- static void __init pm2fb_font_setup(char* options){
- strncpy(pm2fb_options.font, options, sizeof(pm2fb_options.font));
- pm2fb_options.font[sizeof(pm2fb_options.font)-1]='';
- }
- int __init pm2fb_setup(char* options){
- char* next;
- while (options) {
- if ((next=strchr(options, ',')))
- *(next++)='';
- if (!strncmp(options, "font:", 5))
- pm2fb_font_setup(options+5);
- else if (!strncmp(options, "mode:", 5))
- pm2fb_mode_setup(options+5);
- else if (!strcmp(options, "ypan"))
- pm2fb_options.flags |= OPTF_YPAN;
- else if (!strcmp(options, "oldmem"))
- pm2fb_options.flags |= OPTF_OLD_MEM;
- else if (!strcmp(options, "virtual"))
- pm2fb_options.flags |= OPTF_VIRTUAL;
- else if (!strcmp(options, "noblink"))
- curblink = 0;
- options=next;
- }
- return 0;
- }
- /***************************************************************************
- * Begin of module functions
- ***************************************************************************/
- #ifdef MODULE
- MODULE_LICENSE("GPL");
- static char *mode = NULL;
- MODULE_PARM(mode, "s");
- int __init init_module(void) {
- if (mode) pm2fb_mode_setup(mode);
- return pm2fb_init();
- }
- void cleanup_module(void) {
- pm2fb_cleanup();
- }
- #endif /* MODULE */
- /***************************************************************************
- * That's all folks!
- ***************************************************************************/