diff options
Diffstat (limited to 'drivers/video/retz3fb.c')
| -rw-r--r-- | drivers/video/retz3fb.c | 1588 |
1 files changed, 0 insertions, 1588 deletions
diff --git a/drivers/video/retz3fb.c b/drivers/video/retz3fb.c deleted file mode 100644 index bc7ffc84e18..00000000000 --- a/drivers/video/retz3fb.c +++ /dev/null @@ -1,1588 +0,0 @@ -/* - * Linux/drivers/video/retz3fb.c -- RetinaZ3 frame buffer device - * - * Copyright (C) 1997 Jes Sorensen - * - * This file is based on the CyberVision64 frame buffer device and - * the generic Cirrus Logic driver. - * - * cyberfb.c: Copyright (C) 1996 Martin Apel, - * Geert Uytterhoeven - * clgen.c: Copyright (C) 1996 Frank Neumann - * - * History: - * - 22 Jan 97: Initial work - * - 14 Feb 97: Screen initialization works somewhat, still only - * 8-bit packed pixel is supported. - * - * 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/module.h> -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/mm.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/fb.h> -#include <linux/zorro.h> -#include <linux/init.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/io.h> - -#include <video/fbcon.h> -#include <video/fbcon-cfb8.h> -#include <video/fbcon-cfb16.h> - -#include "retz3fb.h" - -/* #define DEBUG if(1) */ -#define DEBUG if(0) - -/* - * Reserve space for one pattern line. - * - * For the time being we only support 4MB boards! - */ - -#define PAT_MEM_SIZE 16*3 -#define PAT_MEM_OFF (4*1024*1024 - PAT_MEM_SIZE) - -struct retz3fb_par { - int xres; - int yres; - int xres_vir; - int yres_vir; - int xoffset; - int yoffset; - int bpp; - - struct fb_bitfield red; - struct fb_bitfield green; - struct fb_bitfield blue; - struct fb_bitfield transp; - - int pixclock; - int left_margin; /* time from sync to picture */ - int right_margin; /* time from picture to sync */ - int upper_margin; /* time from sync to picture */ - int lower_margin; - int hsync_len; /* length of horizontal sync */ - int vsync_len; /* length of vertical sync */ - int vmode; - - int accel; -}; - -struct display_data { - long h_total; /* Horizontal Total */ - long h_sstart; /* Horizontal Sync Start */ - long h_sstop; /* Horizontal Sync Stop */ - long h_bstart; /* Horizontal Blank Start */ - long h_bstop; /* Horizontal Blank Stop */ - long h_dispend; /* Horizontal Display End */ - long v_total; /* Vertical Total */ - long v_sstart; /* Vertical Sync Start */ - long v_sstop; /* Vertical Sync Stop */ - long v_bstart; /* Vertical Blank Start */ - long v_bstop; /* Vertical Blank Stop */ - long v_dispend; /* Horizontal Display End */ -}; - -struct retz3_fb_info { - struct fb_info info; - unsigned char *base; - unsigned char *fbmem; - unsigned long fbsize; - volatile unsigned char *regs; - unsigned long physfbmem; - unsigned long physregs; - int current_par_valid; /* set to 0 by memset */ - int blitbusy; - struct display disp; - struct retz3fb_par current_par; - unsigned char color_table [256][3]; -}; - - -static char fontname[40] __initdata = { 0 }; - -#define retz3info(info) ((struct retz3_fb_info *)(info)) -#define fbinfo(info) ((struct fb_info *)(info)) - - -/* - * Frame Buffer Name - */ - -static char retz3fb_name[16] = "RetinaZ3"; - - -/* - * A small info on how to convert XFree86 timing values into fb - * timings - by Frank Neumann: - * -An XFree86 mode line consists of the following fields: - "800x600" 50 800 856 976 1040 600 637 643 666 - < name > DCF HR SH1 SH2 HFL VR SV1 SV2 VFL - -The fields in the fb_var_screeninfo structure are: - unsigned long pixclock; * pixel clock in ps (pico seconds) * - unsigned long left_margin; * time from sync to picture * - unsigned long right_margin; * time from picture to sync * - unsigned long upper_margin; * time from sync to picture * - unsigned long lower_margin; - unsigned long hsync_len; * length of horizontal sync * - unsigned long vsync_len; * length of vertical sync * - -1) Pixelclock: - xfree: in MHz - fb: In Picoseconds (ps) - - pixclock = 1000000 / DCF - -2) horizontal timings: - left_margin = HFL - SH2 - right_margin = SH1 - HR - hsync_len = SH2 - SH1 - -3) vertical timings: - upper_margin = VFL - SV2 - lower_margin = SV1 - VR - vsync_len = SV2 - SV1 - -Good examples for VESA timings can be found in the XFree86 source tree, -under "programs/Xserver/hw/xfree86/doc/modeDB.txt". -*/ - -/* - * Predefined Video Modes - */ - -static struct { - const char *name; - struct fb_var_screeninfo var; -} retz3fb_predefined[] __initdata = { - /* - * NB: it is very important to adjust the pixel-clock to the color-depth. - */ - - { - "640x480", { /* 640x480, 8 bpp */ - 640, 480, 640, 480, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCEL_NONE, 39722, 48, 16, 33, 10, 96, 2, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,FB_VMODE_NONINTERLACED - } - }, - /* - ModeLine "800x600" 36 800 824 896 1024 600 601 603 625 - < name > DCF HR SH1 SH2 HFL VR SV1 SV2 VFL - */ - { - "800x600", { /* 800x600, 8 bpp */ - 800, 600, 800, 600, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 27778, 64, 24, 22, 1, 120, 2, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - }, - { - "800x600-60", { /* 800x600, 8 bpp */ - 800, 600, 800, 600, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 25000, 88, 40, 23, 1, 128, 4, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - }, - { - "800x600-70", { /* 800x600, 8 bpp */ - 800, 600, 800, 600, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 22272, 40, 24, 15, 9, 144, 12, - FB_SYNC_COMP_HIGH_ACT, FB_VMODE_NONINTERLACED - } - }, - /* - ModeLine "1024x768i" 45 1024 1064 1224 1264 768 777 785 817 interlace - < name > DCF HR SH1 SH2 HFL VR SV1 SV2 VFL - */ - { - "1024x768i", { /* 1024x768, 8 bpp, interlaced */ - 1024, 768, 1024, 768, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCELF_TEXT, 22222, 40, 40, 32, 9, 160, 8, - FB_SYNC_COMP_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_INTERLACED - } - }, - { - "1024x768", { - 1024, 768, 1024, 768, 0, 0, 8, 0, - {0, 8, 0}, {0, 8, 0}, {0, 8, 0}, {0, 0, 0}, - 0, 0, -1, -1, FB_ACCEL_NONE, 12500, 92, 112, 31, 2, 204, 4, - FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT, FB_VMODE_NONINTERLACED - } - }, - { - "640x480-16", { /* 640x480, 16 bpp */ - 640, 480, 640, 480, 0, 0, 16, 0, - {11, 5, 0}, {5, 6, 0}, {0, 5, 0}, {0, 0, 0}, - 0, 0, -1, -1, 0, 38461/2, 28, 32, 12, 10, 96, 2, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,FB_VMODE_NONINTERLACED - } - }, - { - "640x480-24", { /* 640x480, 24 bpp */ - 640, 480, 640, 480, 0, 0, 24, 0, - {8, 8, 8}, {8, 8, 8}, {8, 8, 8}, {0, 0, 0}, - 0, 0, -1, -1, 0, 38461/3, 28, 32, 12, 10, 96, 2, - FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,FB_VMODE_NONINTERLACED - } - }, -}; - - -#define NUM_TOTAL_MODES ARRAY_SIZE(retz3fb_predefined) - -static struct fb_var_screeninfo retz3fb_default; - -static int z3fb_inverse = 0; -static int z3fb_mode __initdata = 0; - - -/* - * Interface used by the world - */ - -int retz3fb_setup(char *options); - -static int retz3fb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info); -static int retz3fb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int retz3fb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info); -static int retz3fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info); -static int retz3fb_setcolreg(unsigned int regno, unsigned int red, - unsigned int green, unsigned int blue, - unsigned int transp, struct fb_info *info); -static int retz3fb_blank(int blank, struct fb_info *info); - - -/* - * Interface to the low level console driver - */ - -int retz3fb_init(void); -static int z3fb_switch(int con, struct fb_info *info); -static int z3fb_updatevar(int con, struct fb_info *info); - - -/* - * Text console acceleration - */ - -#ifdef FBCON_HAS_CFB8 -static struct display_switch fbcon_retz3_8; -#endif - - -/* - * Accelerated Functions used by the low level console driver - */ - -static void retz3_bitblt(struct display *p, - unsigned short curx, unsigned short cury, unsigned - short destx, unsigned short desty, unsigned short - width, unsigned short height, unsigned short cmd, - unsigned short mask); - -/* - * Hardware Specific Routines - */ - -static int retz3_encode_fix(struct fb_info *info, - struct fb_fix_screeninfo *fix, - struct retz3fb_par *par); -static int retz3_decode_var(struct fb_var_screeninfo *var, - struct retz3fb_par *par); -static int retz3_encode_var(struct fb_var_screeninfo *var, - struct retz3fb_par *par); -static int retz3_getcolreg(unsigned int regno, unsigned int *red, - unsigned int *green, unsigned int *blue, - unsigned int *transp, struct fb_info *info); - -/* - * Internal routines - */ - -static void retz3fb_get_par(struct fb_info *info, struct retz3fb_par *par); -static void retz3fb_set_par(struct fb_info *info, struct retz3fb_par *par); -static int do_fb_set_var(struct fb_info *info, - struct fb_var_screeninfo *var, int isactive); -static void retz3fb_set_disp(int con, struct fb_info *info); -static int get_video_mode(const char *name); - - -/* -------------------- Hardware specific routines ------------------------- */ - -static unsigned short find_fq(unsigned int freq) -{ - unsigned long f; - long tmp; - long prev = 0x7fffffff; - long n2, n1 = 3; - unsigned long m; - unsigned short res = 0; - - if (freq <= 31250000) - n2 = 3; - else if (freq <= 62500000) - n2 = 2; - else if (freq <= 125000000) - n2 = 1; - else if (freq <= 250000000) - n2 = 0; - else - return 0; - - - do { - f = freq >> (10 - n2); - - m = (f * n1) / (14318180/1024); - - if (m > 129) - break; - - tmp = (((m * 14318180) >> n2) / n1) - freq; - if (tmp < 0) - tmp = -tmp; - - if (tmp < prev) { - prev = tmp; - res = (((n2 << 5) | (n1-2)) << 8) | (m-2); - } - - } while ( (++n1) <= 21); - - return res; -} - - -static int retz3_set_video(struct fb_info *info, - struct fb_var_screeninfo *var, - struct retz3fb_par *par) -{ - volatile unsigned char *regs = retz3info(info)->regs; - unsigned int freq; - - int xres, hfront, hsync, hback; - int yres, vfront, vsync, vback; - unsigned char tmp; - unsigned short best_freq; - struct display_data data; - - short clocksel = 0; /* Apparantly this is always zero */ - - int bpp = var->bits_per_pixel; - - /* - * XXX - */ - if (bpp == 24) - return 0; - - if ((bpp != 8) && (bpp != 16) && (bpp != 24)) - return -EFAULT; - - par->xoffset = 0; - par->yoffset = 0; - - xres = var->xres * bpp / 4; - hfront = var->right_margin * bpp / 4; - hsync = var->hsync_len * bpp / 4; - hback = var->left_margin * bpp / 4; - - if (var->vmode & FB_VMODE_DOUBLE) - { - yres = var->yres * 2; - vfront = var->lower_margin * 2; - vsync = var->vsync_len * 2; - vback = var->upper_margin * 2; - } - else if (var->vmode & FB_VMODE_INTERLACED) - { - yres = (var->yres + 1) / 2; - vfront = (var->lower_margin + 1) / 2; - vsync = (var->vsync_len + 1) / 2; - vback = (var->upper_margin + 1) / 2; - } - else - { - yres = var->yres; /* -1 ? */ - vfront = var->lower_margin; - vsync = var->vsync_len; - vback = var->upper_margin; - } - - data.h_total = (hback / 8) + (xres / 8) - + (hfront / 8) + (hsync / 8) - 1 /* + 1 */; - data.h_dispend = ((xres + bpp - 1)/ 8) - 1; - data.h_bstart = xres / 8 - 1 /* + 1 */; - - data.h_bstop = data.h_total+1 + 2 + 1; - data.h_sstart = (xres / 8) + (hfront / 8) + 1; - data.h_sstop = (xres / 8) + (hfront / 8) + (hsync / 8) + 1; - - data.v_total = yres + vfront + vsync + vback - 1; - - data.v_dispend = yres - 1; - data.v_bstart = yres - 1; - - data.v_bstop = data.v_total; - data.v_sstart = yres + vfront - 1 - 2; - data.v_sstop = yres + vfront + vsync - 1; - -#if 0 /* testing */ - - printk("HBS: %i\n", data.h_bstart); - printk("HSS: %i\n", data.h_sstart); - printk("HSE: %i\n", data.h_sstop); - printk("HBE: %i\n", data.h_bstop); - printk("HT: %i\n", data.h_total); - - printk("hsync: %i\n", hsync); - printk("hfront: %i\n", hfront); - printk("hback: %i\n", hback); - - printk("VBS: %i\n", data.v_bstart); - printk("VSS: %i\n", data.v_sstart); - printk("VSE: %i\n", data.v_sstop); - printk("VBE: %i\n", data.v_bstop); - printk("VT: %i\n", data.v_total); - - printk("vsync: %i\n", vsync); - printk("vfront: %i\n", vfront); - printk("vback: %i\n", vback); -#endif - - if (data.v_total >= 1024) - printk(KERN_ERR "MAYDAY: v_total >= 1024; bailing out!\n"); - - reg_w(regs, GREG_MISC_OUTPUT_W, 0xe3 | ((clocksel & 3) * 0x04)); - reg_w(regs, GREG_FEATURE_CONTROL_W, 0x00); - - seq_w(regs, SEQ_RESET, 0x00); - seq_w(regs, SEQ_RESET, 0x03); /* reset sequencer logic */ - - /* - * CLOCKING_MODE bits: - * 2: This one is only set for certain text-modes, wonder if - * it may be for EGA-lines? (it was referred to as CLKDIV2) - * (The CL drivers sets it to 0x21 with the comment: - * FullBandwidth (video off) and 8/9 dot clock) - */ - seq_w(regs, SEQ_CLOCKING_MODE, 0x01 | 0x00 /* 0x08 */); - - seq_w(regs, SEQ_MAP_MASK, 0x0f); /* enable writing to plane 0-3 */ - seq_w(regs, SEQ_CHAR_MAP_SELECT, 0x00); /* doesn't matter in gfx-mode */ - seq_w(regs, SEQ_MEMORY_MODE, 0x06); /* CL driver says 0x0e for 256 col mode*/ - seq_w(regs, SEQ_RESET, 0x01); - seq_w(regs, SEQ_RESET, 0x03); - - seq_w(regs, SEQ_EXTENDED_ENABLE, 0x05); - - seq_w(regs, SEQ_CURSOR_CONTROL, 0x00); /* disable cursor */ - seq_w(regs, SEQ_PRIM_HOST_OFF_HI, 0x00); - seq_w(regs, SEQ_PRIM_HOST_OFF_HI, 0x00); - seq_w(regs, SEQ_LINEAR_0, 0x4a); - seq_w(regs, SEQ_LINEAR_1, 0x00); - - seq_w(regs, SEQ_SEC_HOST_OFF_HI, 0x00); - seq_w(regs, SEQ_SEC_HOST_OFF_LO, 0x00); - seq_w(regs, SEQ_EXTENDED_MEM_ENA, 0x3 | 0x4 | 0x10 | 0x40); - - /* - * The lower 4 bits (0-3) are used to set the font-width for - * text-mode - DON'T try to set this for gfx-mode. - */ - seq_w(regs, SEQ_EXT_CLOCK_MODE, 0x10); - seq_w(regs, SEQ_EXT_VIDEO_ADDR, 0x03); - - /* - * Extended Pixel Control: - * bit 0: text-mode=0, gfx-mode=1 (Graphics Byte ?) - * bit 1: (Packed/Nibble Pixel Format ?) - * bit 4-5: depth, 0=1-8bpp, 1=9-16bpp, 2=17-24bpp - */ - seq_w(regs, SEQ_EXT_PIXEL_CNTL, 0x01 | (((bpp / 8) - 1) << 4)); - - seq_w(regs, SEQ_BUS_WIDTH_FEEDB, 0x04); - seq_w(regs, SEQ_COLOR_EXP_WFG, 0x01); - seq_w(regs, SEQ_COLOR_EXP_WBG, 0x00); - seq_w(regs, SEQ_EXT_RW_CONTROL, 0x00); - seq_w(regs, SEQ_MISC_FEATURE_SEL, (0x51 | (clocksel & 8))); - seq_w(regs, SEQ_COLOR_KEY_CNTL, 0x40); - seq_w(regs, SEQ_COLOR_KEY_MATCH0, 0x00); - seq_w(regs, SEQ_COLOR_KEY_MATCH1, 0x00); - seq_w(regs, SEQ_COLOR_KEY_MATCH2, 0x00); - seq_w(regs, SEQ_CRC_CONTROL, 0x00); - seq_w(regs, SEQ_PERF_SELECT, 0x10); - seq_w(regs, SEQ_ACM_APERTURE_1, 0x00); - seq_w(regs, SEQ_ACM_APERTURE_2, 0x30); - seq_w(regs, SEQ_ACM_APERTURE_3, 0x00); - seq_w(regs, SEQ_MEMORY_MAP_CNTL, 0x03); - - - /* unlock register CRT0..CRT7 */ - crt_w(regs, CRT_END_VER_RETR, (data.v_sstop & 0x0f) | 0x20); - - /* Zuerst zu schreibende Werte nur per printk ausgeben */ - DEBUG printk("CRT_HOR_TOTAL: %ld\n", data.h_total); - crt_w(regs, CRT_HOR_TOTAL, data.h_total & 0xff); - - DEBUG printk("CRT_HOR_DISP_ENA_END: %ld\n", data.h_dispend); - crt_w(regs, CRT_HOR_DISP_ENA_END, (data.h_dispend) & 0xff); - - DEBUG printk("CRT_START_HOR_BLANK: %ld\n", data.h_bstart); - crt_w(regs, CRT_START_HOR_BLANK, data.h_bstart & 0xff); - - DEBUG printk("CRT_END_HOR_BLANK: 128+%ld\n", data.h_bstop % 32); - crt_w(regs, CRT_END_HOR_BLANK, 0x80 | (data.h_bstop & 0x1f)); - - DEBUG printk("CRT_START_HOR_RETR: %ld\n", data.h_sstart); - crt_w(regs, CRT_START_HOR_RETR, data.h_sstart & 0xff); - - tmp = (data.h_sstop & 0x1f); - if (data.h_bstop & 0x20) - tmp |= 0x80; - DEBUG printk("CRT_END_HOR_RETR: %d\n", tmp); - crt_w(regs, CRT_END_HOR_RETR, tmp); - - DEBUG printk("CRT_VER_TOTAL: %ld\n", data.v_total & 0xff); - crt_w(regs, CRT_VER_TOTAL, (data.v_total & 0xff)); - - tmp = 0x10; /* LineCompare bit #9 */ - if (data.v_total & 256) - tmp |= 0x01; - if (data.v_dispend & 256) - tmp |= 0x02; - if (data.v_sstart & 256) - tmp |= 0x04; - if (data.v_bstart & 256) - tmp |= 0x08; - if (data.v_total & 512) - tmp |= 0x20; - if (data.v_dispend & 512) - tmp |= 0x40; - if (data.v_sstart & 512) - tmp |= 0x80; - DEBUG printk("CRT_OVERFLOW: %d\n", tmp); - crt_w(regs, CRT_OVERFLOW, tmp); - - crt_w(regs, CRT_PRESET_ROW_SCAN, 0x00); /* not CL !!! */ - - tmp = 0x40; /* LineCompare bit #8 */ - if (data.v_bstart & 512) - tmp |= 0x20; - if (var->vmode & FB_VMODE_DOUBLE) - tmp |= 0x80; - DEBUG printk("CRT_MAX_SCAN_LINE: %d\n", tmp); - crt_w(regs, CRT_MAX_SCAN_LINE, tmp); - - crt_w(regs, CRT_CURSOR_START, 0x00); - crt_w(regs, CRT_CURSOR_END, 8 & 0x1f); /* font height */ - - crt_w(regs, CRT_START_ADDR_HIGH, 0x00); - crt_w(regs, CRT_START_ADDR_LOW, 0x00); - - crt_w(regs, CRT_CURSOR_LOC_HIGH, 0x00); - crt_w(regs, CRT_CURSOR_LOC_LOW, 0x00); - - DEBUG printk("CRT_START_VER_RETR: %ld\n", data.v_sstart & 0xff); - crt_w(regs, CRT_START_VER_RETR, (data.v_sstart & 0xff)); - -#if 1 - /* 5 refresh cycles per scanline */ - DEBUG printk("CRT_END_VER_RETR: 64+32+%ld\n", data.v_sstop % 16); - crt_w(regs, CRT_END_VER_RETR, ((data.v_sstop & 0x0f) | 0x40 | 0x20)); -#else - DEBUG printk("CRT_END_VER_RETR: 128+32+%ld\n", data.v_sstop % 16); - crt_w(regs, CRT_END_VER_RETR, ((data.v_sstop & 0x0f) | 128 | 32)); -#endif - DEBUG printk("CRT_VER_DISP_ENA_END: %ld\n", data.v_dispend & 0xff); - crt_w(regs, CRT_VER_DISP_ENA_END, (data.v_dispend & 0xff)); - - DEBUG printk("CRT_START_VER_BLANK: %ld\n", data.v_bstart & 0xff); - crt_w(regs, CRT_START_VER_BLANK, (data.v_bstart & 0xff)); - - DEBUG printk("CRT_END_VER_BLANK: %ld\n", data.v_bstop & 0xff); - crt_w(regs, CRT_END_VER_BLANK, (data.v_bstop & 0xff)); - - DEBUG printk("CRT_MODE_CONTROL: 0xe3\n"); - crt_w(regs, CRT_MODE_CONTROL, 0xe3); - - DEBUG printk("CRT_LINE_COMPARE: 0xff\n"); - crt_w(regs, CRT_LINE_COMPARE, 0xff); - - tmp = (var->xres_virtual / 8) * (bpp / 8); - crt_w(regs, CRT_OFFSET, tmp); - - crt_w(regs, CRT_UNDERLINE_LOC, 0x07); /* probably font-height - 1 */ - - tmp = 0x20; /* Enable extended end bits */ - if (data.h_total & 0x100) - tmp |= 0x01; - if ((data.h_dispend) & 0x100) - tmp |= 0x02; - if (data.h_bstart & 0x100) - tmp |= 0x04; - if (data.h_sstart & 0x100) - tmp |= 0x08; - if (var->vmode & FB_VMODE_INTERLACED) - tmp |= 0x10; - DEBUG printk("CRT_EXT_HOR_TIMING1: %d\n", tmp); - crt_w(regs, CRT_EXT_HOR_TIMING1, tmp); - - tmp = 0x00; - if (((var->xres_virtual / 8) * (bpp / 8)) & 0x100) - tmp |= 0x10; - crt_w(regs, CRT_EXT_START_ADDR, tmp); - - tmp = 0x00; - if (data.h_total & 0x200) - tmp |= 0x01; - if ((data.h_dispend) & 0x200) - tmp |= 0x02; - if (data.h_bstart & 0x200) - tmp |= 0x04; - if (data.h_sstart & 0x200) - tmp |= 0x08; - tmp |= ((data.h_bstop & 0xc0) >> 2); - tmp |= ((data.h_sstop & 0x60) << 1); - crt_w(regs, CRT_EXT_HOR_TIMING2, tmp); - DEBUG printk("CRT_EXT_HOR_TIMING2: %d\n", tmp); - - tmp = 0x10; /* Line compare bit 10 */ - if (data.v_total & 0x400) - tmp |= 0x01; - if ((data.v_dispend) & 0x400) - tmp |= 0x02; - if (data.v_bstart & 0x400) - tmp |= 0x04; - if (data.v_sstart & 0x400) - tmp |= 0x08; - tmp |= ((data.v_bstop & 0x300) >> 3); - if (data.v_sstop & 0x10) - tmp |= 0x80; - crt_w(regs, CRT_EXT_VER_TIMING, tmp); - DEBUG printk("CRT_EXT_VER_TIMING: %d\n", tmp); - - crt_w(regs, CRT_MONITOR_POWER, 0x00); - - /* - * Convert from ps to Hz. - */ - freq = 2000000000 / var->pixclock; - freq = freq * 500; - - best_freq = find_fq(freq); - pll_w(regs, 0x02, best_freq); - best_freq = find_fq(61000000); - pll_w(regs, 0x0a, best_freq); - pll_w(regs, 0x0e, 0x22); - - gfx_w(regs, GFX_SET_RESET, 0x00); - gfx_w(regs, GFX_ENABLE_SET_RESET, 0x00); - gfx_w(regs, GFX_COLOR_COMPARE, 0x00); - gfx_w(regs, GFX_DATA_ROTATE, 0x00); - gfx_w(regs, GFX_READ_MAP_SELECT, 0x00); - gfx_w(regs, GFX_GRAPHICS_MODE, 0x00); - gfx_w(regs, GFX_MISC, 0x05); - gfx_w(regs, GFX_COLOR_XCARE, 0x0f); - gfx_w(regs, GFX_BITMASK, 0xff); - - reg_r(regs, ACT_ADDRESS_RESET); - attr_w(regs, ACT_PALETTE0 , 0x00); - attr_w(regs, ACT_PALETTE1 , 0x01); - attr_w(regs, ACT_PALETTE2 , 0x02); - attr_w(regs, ACT_PALETTE3 , 0x03); - attr_w(regs, ACT_PALETTE4 , 0x04); - attr_w(regs, ACT_PALETTE5 , 0x05); - attr_w(regs, ACT_PALETTE6 , 0x06); - attr_w(regs, ACT_PALETTE7 , 0x07); - attr_w(regs, ACT_PALETTE8 , 0x08); - attr_w(regs, ACT_PALETTE9 , 0x09); - attr_w(regs, ACT_PALETTE10, 0x0a); - attr_w(regs, ACT_PALETTE11, 0x0b); - attr_w(regs, ACT_PALETTE12, 0x0c); - attr_w(regs, ACT_PALETTE13, 0x0d); - attr_w(regs, ACT_PALETTE14, 0x0e); - attr_w(regs, ACT_PALETTE15, 0x0f); - reg_r(regs, ACT_ADDRESS_RESET); - - attr_w(regs, ACT_ATTR_MODE_CNTL, 0x09); /* 0x01 for CL */ - - attr_w(regs, ACT_OVERSCAN_COLOR, 0x00); - attr_w(regs, ACT_COLOR_PLANE_ENA, 0x0f); - attr_w(regs, ACT_HOR_PEL_PANNING, 0x00); - attr_w(regs, ACT_COLOR_SELECT, 0x00); - - reg_r(regs, ACT_ADDRESS_RESET); - reg_w(regs, ACT_DATA, 0x20); - - reg_w(regs, VDAC_MASK, 0xff); - - /* - * Extended palette addressing ??? - */ - switch (bpp){ - case 8: - reg_w(regs, 0x83c6, 0x00); - break; - case 16: - reg_w(regs, 0x83c6, 0x60); - break; - case 24: - reg_w(regs, 0x83c6, 0xe0); - break; - default: - printk(KERN_INFO "Illegal color-depth: %i\n", bpp); - } - - reg_w(regs, VDAC_ADDRESS, 0x00); - - seq_w(regs, SEQ_MAP_MASK, 0x0f ); - - return 0; -} - - -/* - * This function should fill in the `fix' structure based on the - * values in the `par' structure. - */ - -static int retz3_encode_fix(struct fb_info *info, - struct fb_fix_screeninfo *fix, - struct retz3fb_par *par) -{ - struct retz3_fb_info *zinfo = retz3info(info); - - memset(fix, 0, sizeof(struct fb_fix_screeninfo)); - strcpy(fix->id, retz3fb_name); - fix->smem_start = zinfo->physfbmem; - fix->smem_len = zinfo->fbsize; - fix->mmio_start = zinfo->physregs; - fix->mmio_len = 0x00c00000; - - fix->type = FB_TYPE_PACKED_PIXELS; - fix->type_aux = 0; - if (par->bpp == 8) - fix->visual = FB_VISUAL_PSEUDOCOLOR; - else - fix->visual = FB_VISUAL_TRUECOLOR; - - fix->xpanstep = 0; - fix->ypanstep = 0; - fix->ywrapstep = 0; - fix->line_length = 0; - - fix->accel = FB_ACCEL_NCR_77C32BLT; - - return 0; -} - - -/* - * Get the video params out of `var'. If a value doesn't fit, round - * it up, if it's too big, return -EINVAL. - */ - -static int retz3_decode_var(struct fb_var_screeninfo *var, - struct retz3fb_par *par) -{ - par->xres = var->xres; - par->yres = var->yres; - par->xres_vir = var->xres_virtual; - par->yres_vir = var->yres_virtual; - par->bpp = var->bits_per_pixel; - par->pixclock = var->pixclock; - par->vmode = var->vmode; - - par->red = var->red; - par->green = var->green; - par->blue = var->blue; - par->transp = var->transp; - - par->left_margin = var->left_margin; - par->right_margin = var->right_margin; - par->upper_margin = var->upper_margin; - par->lower_margin = var->lower_margin; - par->hsync_len = var->hsync_len; - par->vsync_len = var->vsync_len; - - if (var->accel_flags & FB_ACCELF_TEXT) - par->accel = FB_ACCELF_TEXT; - else - par->accel = 0; - - return 0; -} - - -/* - * Fill the `var' structure based on the values in `par' and maybe - * other values read out of the hardware. - */ - -static int retz3_encode_var(struct fb_var_screeninfo *var, - struct retz3fb_par *par) -{ - memset(var, 0, sizeof(struct fb_var_screeninfo)); - var->xres = par->xres; - var->yres = par->yres; - var->xres_virtual = par->xres_vir; - var->yres_virtual = par->yres_vir; - var->xoffset = 0; - var->yoffset = 0; - - var->bits_per_pixel = par->bpp; - var->grayscale = 0; - - var->red = par->red; - var->green = par->green; - var->blue = par->blue; - var->transp = par->transp; - - var->nonstd = 0; - var->activate = 0; - - var->height = -1; - var->width = -1; - - var->accel_flags = (par->accel && par->bpp == 8) ? FB_ACCELF_TEXT : 0; - - var->pixclock = par->pixclock; - - var->sync = 0; /* ??? */ - var->left_margin = par->left_margin; - var->right_margin = par->right_margin; - var->upper_margin = par->upper_margin; - var->lower_margin = par->lower_margin; - var->hsync_len = par->hsync_len; - var->vsync_len = par->vsync_len; - - var->vmode = par->vmode; - return 0; -} - - -/* - * Set a single color register. Return != 0 for invalid regno. - */ - -static int retz3fb_setcolreg(unsigned int regno, unsigned int red, - unsigned int green, unsigned int blue, - unsigned int transp, struct fb_info *info) -{ - struct retz3_fb_info *zinfo = retz3info(info); - volatile unsigned char *regs = zinfo->regs; - - /* We'll get to this */ - - if (regno > 255) - return 1; - - red >>= 10; - green >>= 10; - blue >>= 10; - - zinfo->color_table[regno][0] = red; - zinfo->color_table[regno][1] = green; - zinfo->color_table[regno][2] = blue; - - reg_w(regs, VDAC_ADDRESS_W, regno); - reg_w(regs, VDAC_DATA, red); - reg_w(regs, VDAC_DATA, green); - reg_w(regs, VDAC_DATA, blue); - - return 0; -} - - -/* - * Read a single color register and split it into - * colors/transparent. Return != 0 for invalid regno. - */ - -static int retz3_getcolreg(unsigned int regno, unsigned int *red, - unsigned int *green, unsigned int *blue, - unsigned int *transp, struct fb_info *info) -{ - struct retz3_fb_info *zinfo = retz3info(info); - int t; - - if (regno > 255) - return 1; - t = zinfo->color_table[regno][0]; - *red = (t<<10) | (t<<4) | (t>>2); - t = zinfo->color_table[regno][1]; - *green = (t<<10) | (t<<4) | (t>>2); - t = zinfo->color_table[regno][2]; - *blue = (t<<10) | (t<<4) | (t>>2); - *transp = 0; - return 0; -} - - -static inline void retz3_busy(struct display *p) -{ - struct retz3_fb_info *zinfo = retz3info(p->fb_info); - volatile unsigned char *acm = zinfo->base + ACM_OFFSET; - unsigned char blt_status; - - if (zinfo->blitbusy) { - do{ - blt_status = *((acm) + (ACM_START_STATUS + 2)); - }while ((blt_status & 1) == 0); - zinfo->blitbusy = 0; - } -} - - -static void retz3_bitblt (struct display *p, - unsigned short srcx, unsigned short srcy, - unsigned short destx, unsigned short desty, - unsigned short width, unsigned short height, - unsigned short cmd, unsigned short mask) -{ - struct fb_var_screeninfo *var = &p->var; - struct retz3_fb_info *zinfo = retz3info(p->fb_info); - volatile unsigned long *acm = (unsigned long *)(zinfo->base + ACM_OFFSET); - unsigned long *pattern = (unsigned long *)(zinfo->fbmem + PAT_MEM_OFF); - - unsigned short mod; - unsigned long tmp; - unsigned long pat, src, dst; - - int i, xres_virtual = var->xres_virtual; - short bpp = (var->bits_per_pixel & 0xff); - - if (bpp < 8) - bpp = 8; - - tmp = mask | (mask << 16); - - retz3_busy(p); - - i = 0; - do{ - *pattern++ = tmp; - }while(i++ < bpp/4); - - tmp = cmd << 8; - *(acm + ACM_RASTEROP_ROTATION/4) = tmp; - - mod = 0xc0c2; - - pat = 8 * PAT_MEM_OFF; - dst = bpp * (destx + desty * xres_virtual); - - /* - * Source is not set for clear. - */ - if ((cmd != Z3BLTclear) && (cmd != Z3BLTset)) { - src = bpp * (srcx + srcy * xres_virtual); - - if (destx > srcx) { - mod &= ~0x8000; - src += bpp * (width - 1); - dst += bpp * (width - 1); - pat += bpp * 2; - } - if (desty > srcy) { - mod &= ~0x4000; - src += bpp * (height - 1) * xres_virtual; - dst += bpp * (height - 1) * xres_virtual; - pat += bpp * 4; - } - - *(acm + ACM_SOURCE/4) = cpu_to_le32(src); - } - - *(acm + ACM_PATTERN/4) = cpu_to_le32(pat); - - *(acm + ACM_DESTINATION/4) = cpu_to_le32(dst); - - tmp = mod << 16; - *(acm + ACM_CONTROL/4) = tmp; - - tmp = width | (height << 16); - - *(acm + ACM_BITMAP_DIMENSION/4) = cpu_to_le32(tmp); - - *(((volatile unsigned char *)acm) + ACM_START_STATUS) = 0x00; - *(((volatile unsigned char *)acm) + ACM_START_STATUS) = 0x01; - zinfo->blitbusy = 1; -} - -#if 0 -/* - * Move cursor to x, y - */ -static void retz3_MoveCursor (unsigned short x, unsigned short y) -{ - /* Guess we gotta deal with the cursor at some point */ -} -#endif - - -/* - * Fill the hardware's `par' structure. - */ - -static void retz3fb_get_par(struct fb_info *info, struct retz3fb_par *par) -{ - struct retz3_fb_info *zinfo = retz3info(info); - - if (zinfo->current_par_valid) - *par = zinfo->current_par; - else - retz3_decode_var(&retz3fb_default, par); -} - - -static void retz3fb_set_par(struct fb_info *info, struct retz3fb_par *par) -{ - struct retz3_fb_info *zinfo = retz3info(info); - - zinfo->current_par = *par; - zinfo->current_par_valid = 1; -} - - -static int do_fb_set_var(struct fb_info *info, - struct fb_var_screeninfo *var, int isactive) -{ - int err, activate; - struct retz3fb_par par; - struct retz3_fb_info *zinfo = retz3info(info); - - if ((err = retz3_decode_var(var, &par))) - return err; - activate = var->activate; - - /* XXX ... what to do about isactive ? */ - - if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW && isactive) - retz3fb_set_par(info, &par); - retz3_encode_var(var, &par); - var->activate = activate; - - retz3_set_video(info, var, &zinfo->current_par); - - return 0; -} - -/* - * Get the Fixed Part of the Display - */ - -static int retz3fb_get_fix(struct fb_fix_screeninfo *fix, int con, - struct fb_info *info) -{ - struct retz3fb_par par; - int error = 0; - - if (con == -1) - retz3fb_get_par(info, &par); - else - error = retz3_decode_var(&fb_display[con].var, &par); - return(error ? error : retz3_encode_fix(info, fix, &par)); -} - - -/* - * Get the User Defined Part of the Display - */ - -static int retz3fb_get_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - struct retz3fb_par par; - int error = 0; - - if (con == -1) { - retz3fb_get_par(info, &par); - error = retz3_encode_var(var, &par); - } else - *var = fb_display[con].var; - return error; -} - - -static void retz3fb_set_disp(int con, struct fb_info *info) -{ - struct fb_fix_screeninfo fix; - struct display *display; - struct retz3_fb_info *zinfo = retz3info(info); - - if (con >= 0) - display = &fb_display[con]; - else - display = &zinfo->disp; /* used during initialization */ - - retz3fb_get_fix(&fix, con, info); - - if (con == -1) - con = 0; - - display->visual = fix.visual; - display->type = fix.type; - display->type_aux = fix.type_aux; - display->ypanstep = fix.ypanstep; - display->ywrapstep = fix.ywrapstep; - display->can_soft_blank = 1; - display->inverse = z3fb_inverse; - - /* - * This seems to be about 20% faster. - */ - display->scrollmode = SCROLL_YREDRAW; - - switch (display->var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - if (display->var.accel_flags & FB_ACCELF_TEXT) { - display->dispsw = &fbcon_retz3_8; - retz3_set_video(info, &display->var, &zinfo->current_par); - } else - display->dispsw = &fbcon_cfb8; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - display->dispsw = &fbcon_cfb16; - break; -#endif - default: - display->dispsw = &fbcon_dummy; - break; - } -} - - -/* - * Set the User Defined Part of the Display - */ - -static int retz3fb_set_var(struct fb_var_screeninfo *var, int con, - struct fb_info *info) -{ - int err, oldxres, oldyres, oldvxres, oldvyres, oldbpp, oldaccel; - struct display *display; - struct retz3_fb_info *zinfo = retz3info(info); - - if (con >= 0) - display = &fb_display[con]; - else - display = &zinfo->disp; /* used during initialization */ - - if ((err = do_fb_set_var(info, var, con == info->currcon))) - return err; - if ((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW) { - oldxres = display->var.xres; - oldyres = display->var.yres; - oldvxres = display->var.xres_virtual; - oldvyres = display->var.yres_virtual; - oldbpp = display->var.bits_per_pixel; - oldaccel = display->var.accel_flags; - display->var = *var; - - if (oldxres != var->xres || oldyres != var->yres || - oldvxres != var->xres_virtual || - oldvyres != var->yres_virtual || - oldbpp != var->bits_per_pixel || - oldaccel != var->accel_flags) { - - struct fb_fix_screeninfo fix; - retz3fb_get_fix(&fix, con, info); - - display->visual = fix.visual; - display->type = fix.type; - display->type_aux = fix.type_aux; - display->ypanstep = fix.ypanstep; - display->ywrapstep = fix.ywrapstep; - display->line_length = fix.line_length; - display->can_soft_blank = 1; - display->inverse = z3fb_inverse; - switch (display->var.bits_per_pixel) { -#ifdef FBCON_HAS_CFB8 - case 8: - if (var->accel_flags & FB_ACCELF_TEXT) { - display->dispsw = &fbcon_retz3_8; - } else - display->dispsw = &fbcon_cfb8; - break; -#endif -#ifdef FBCON_HAS_CFB16 - case 16: - display->dispsw = &fbcon_cfb16; - break; -#endif - default: - display->dispsw = &fbcon_dummy; - break; - } - /* - * We still need to find a way to tell the X - * server that the video mem has been fiddled with - * so it redraws the entire screen when switching - * between X and a text console. - */ - retz3_set_video(info, var, &zinfo->current_par); - - if (info->changevar) - (*info->changevar)(con); - } - - if (oldbpp != var->bits_per_pixel) { - if ((err = fb_alloc_cmap(&display->cmap, 0, 0))) - return err; - do_install_cmap(con, info); - } - } - return 0; -} - - -/* - * Get the Colormap - */ - -static int retz3fb_get_cmap(struct fb_cmap *cmap, int kspc, int con, - struct fb_info *info) -{ - if (con == info->currcon) /* current console? */ - return(fb_get_cmap(cmap, kspc, retz3_getcolreg, info)); - else if (fb_display[con].cmap.len) /* non default colormap? */ - fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2); - else - fb_copy_cmap(fb_default_cmap(1<<fb_display[con].var.bits_per_pixel), - cmap, kspc ? 0 : 2); - return 0; -} - -/* - * Blank the display. - */ - -static int retz3fb_blank(int blank, struct fb_info *info) -{ - struct retz3_fb_info *zinfo = retz3info(info); - volatile unsigned char *regs = retz3info(info)->regs; - short i; - - if (blank) - for (i = 0; i < 256; i++){ - reg_w(regs, VDAC_ADDRESS_W, i); - reg_w(regs, VDAC_DATA, 0); - reg_w(regs, VDAC_DATA, 0); - reg_w(regs, VDAC_DATA, 0); - } - else - for (i = 0; i < 256; i++){ - reg_w(regs, VDAC_ADDRESS_W, i); - reg_w(regs, VDAC_DATA, zinfo->color_table[i][0]); - reg_w(regs, VDAC_DATA, zinfo->color_table[i][1]); - reg_w(regs, VDAC_DATA, zinfo->color_table[i][2]); - } - return 0; -} - -static struct fb_ops retz3fb_ops = { - .owner = THIS_MODULE, - .fb_get_fix = retz3fb_get_fix, - .fb_get_var = retz3fb_get_var, - .fb_set_var = retz3fb_set_var, - .fb_get_cmap = retz3fb_get_cmap, - .fb_set_cmap = gen_set_cmap, - .fb_setcolreg = retz3fb_setcolreg, - .fb_blank = retz3fb_blank, -}; - -int __init retz3fb_setup(char *options) -{ - char *this_opt; - - if (!options || !*options) - return 0; - - while ((this_opt = strsep(&options, ",")) != NULL) { - if (!*this_opt) - continue; - if (!strcmp(this_opt, "inverse")) { - z3fb_inverse = 1; - fb_invert_cmaps(); - } else if (!strncmp(this_opt, "font:", 5)) { - strlcpy(fontname, this_opt+5, sizeof(fontname)); - } else - z3fb_mode = get_video_mode(this_opt); - } - return 0; -} - - -/* - * Initialization - */ - -int __init retz3fb_init(void) -{ - unsigned long board_addr, board_size; - struct zorro_dev *z = NULL; - volatile unsigned char *regs; - struct retz3fb_par par; - struct retz3_fb_info *zinfo; - struct fb_info *fb_info; - short i; - int res = -ENXIO; - - while ((z = zorro_find_device(ZORRO_PROD_MACROSYSTEMS_RETINA_Z3, z))) { - board_addr = z->resource.start; - board_size = z->resource.end-z->resource.start+1; - if (!request_mem_region(board_addr, 0x0c00000, - "ncr77c32blt")) { - continue; - if (!request_mem_region(board_addr+VIDEO_MEM_OFFSET, - 0x00400000, "RAM")) - release_mem_region(board_addr, 0x00c00000); - continue; - } - if (!(zinfo = kmalloc(sizeof(struct retz3_fb_info), - GFP_KERNEL))) - return -ENOMEM; - memset(zinfo, 0, sizeof(struct retz3_fb_info)); - - zinfo->base = ioremap(board_addr, board_size); - zinfo->regs = zinfo->base; - zinfo->fbmem = zinfo->base + VIDEO_MEM_OFFSET; - /* Get memory size - for now we asume it's a 4MB board */ - zinfo->fbsize = 0x00400000; /* 4 MB */ - zinfo->physregs = board_addr; - zinfo->physfbmem = board_addr + VIDEO_MEM_OFFSET; - - fb_info = fbinfo(zinfo); - - for (i = 0; i < 256; i++){ - for (i = 0; i < 256; i++){ - zinfo->color_table[i][0] = i; - zinfo->color_table[i][1] = i; - zinfo->color_table[i][2] = i; - } - } - - regs = zinfo->regs; - /* Disable hardware cursor */ - seq_w(regs, SEQ_CURSOR_Y_INDEX, 0x00); - - retz3fb_setcolreg (255, 56<<8, 100<<8, 160<<8, 0, fb_info); - retz3fb_setcolreg (254, 0, 0, 0, 0, fb_info); - - strcpy(fb_info->modename, retz3fb_name); - fb_info->changevar = NULL; - fb_info->fbops = &retz3fb_ops; - fb_info->screen_base = zinfo->fbmem; - fb_info->disp = &zinfo->disp; - fb_info->currcon = -1; - fb_info->switch_con = &z3fb_switch; - fb_info->updatevar = &z3fb_updatevar; - fb_info->flags = FBINFO_FLAG_DEFAULT; - strlcpy(fb_info->fontname, fontname, sizeof(fb_info->fontname)); - - if (z3fb_mode == -1) - retz3fb_default = retz3fb_predefined[0].var; - - retz3_decode_var(&retz3fb_default, &par); - retz3_encode_var(&retz3fb_default, &par); - - do_fb_set_var(fb_info, &retz3fb_default, 0); - retz3fb_get_var(&zinfo->disp.var, -1, fb_info); - - retz3fb_set_disp(-1, fb_info); - - do_install_cmap(0, fb_info); - - if (register_framebuffer(fb_info) < 0) { - iounmap(zinfo->base); - return -EINVAL; - } - - printk(KERN_INFO "fb%d: %s frame buffer device, using %ldK of " - "video memory\n", fb_info->node, - fb_info->modename, zinfo->fbsize>>10); - - /* FIXME: This driver cannot be unloaded yet */ - res = 0; - } - return res; -} - - -static int z3fb_switch(int con, struct fb_info *info) -{ - /* Do we have to save the colormap? */ - if (fb_display[info->currcon].cmap.len) - fb_get_cmap(&fb_display[info->currcon].cmap, 1, - retz3_getcolreg, info); - - do_fb_set_var(info, &fb_display[con].var, 1); - info->currcon = con; - /* Install new colormap */ - do_install_cmap(con, info); - return 0; -} - - -/* - * Update the `var' structure (called by fbcon.c) - * - * This call looks only at yoffset and the FB_VMODE_YWRAP flag in `var'. - * Since it's called by a kernel driver, no range checking is done. - */ - -static int z3fb_updatevar(int con, struct fb_info *info) -{ - return 0; -} - -/* - * Get a Video Mode - */ - -static int __init get_video_mode(const char *name) -{ - short i; - - for (i = 0; i < NUM_TOTAL_MODES; i++) - if (!strcmp(name, retz3fb_predefined[i].name)){ - retz3fb_default = retz3fb_predefined[i].var; - return i; - } - return -1; -} - - -#ifdef MODULE -MODULE_LICENSE("GPL"); - -int init_module(void) -{ - return retz3fb_init(); -} -#endif - - -/* - * Text console acceleration - */ - -#ifdef FBCON_HAS_CFB8 -static void retz3_8_bmove(struct display *p, int sy, int sx, - int dy, int dx, int height, int width) -{ - int fontwidth = fontwidth(p); - - sx *= fontwidth; - dx *= fontwidth; - width *= fontwidth; - - retz3_bitblt(p, - (unsigned short)sx, - (unsigned short)(sy*fontheight(p)), - (unsigned short)dx, - (unsigned short)(dy*fontheight(p)), - (unsigned short)width, - (unsigned short)(height*fontheight(p)), - Z3BLTcopy, - 0xffff); -} - -static void retz3_8_clear(struct vc_data *conp, struct display *p, - int sy, int sx, int height, int width) -{ - unsigned short col; - int fontwidth = fontwidth(p); - - sx *= fontwidth; - width *= fontwidth; - - col = attr_bgcol_ec(p, conp); - col &= 0xff; - col |= (col << 8); - - retz3_bitblt(p, - (unsigned short)sx, - (unsigned short)(sy*fontheight(p)), - (unsigned short)sx, - (unsigned short)(sy*fontheight(p)), - (unsigned short)width, - (unsigned short)(height*fontheight(p)), - Z3BLTset, - col); -} - - -static void retz3_putc(struct vc_data *conp, struct display *p, int c, - int yy, int xx) -{ - retz3_busy(p); - fbcon_cfb8_putc(conp, p, c, yy, xx); -} - - -static void retz3_putcs(struct vc_data *conp, struct display *p, - const unsigned short *s, int count, - int yy, int xx) -{ - retz3_busy(p); - fbcon_cfb8_putcs(conp, p, s, count, yy, xx); -} - - -static void retz3_revc(struct display *p, int xx, int yy) -{ - retz3_busy(p); - fbcon_cfb8_revc(p, xx, yy); -} - - -static void retz3_clear_margins(struct vc_data* conp, struct display* p, - int bottom_only) -{ - retz3_busy(p); - fbcon_cfb8_clear_margins(conp, p, bottom_only); -} - - -static struct display_switch fbcon_retz3_8 = { - .setup = fbcon_cfb8_setup, - .bmove = retz3_8_bmove, - .clear = retz3_8_clear, - .putc = retz3_putc, - .putcs = retz3_putcs, - .revc = retz3_revc, - .clear_margins = retz3_clear_margins, - .fontwidthmask = FONTWIDTH(8) -}; -#endif |