imsttfb.c
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上传日期:2013-04-10
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文件大小:53k
- /*
- * drivers/video/imsttfb.c -- frame buffer device for IMS TwinTurbo
- *
- * This file is derived from the powermac console "imstt" driver:
- * Copyright (C) 1997 Sigurdur Asgeirsson
- * With additional hacking by Jeffrey Kuskin (jsk@mojave.stanford.edu)
- * Modified by Danilo Beuche 1998
- * Some register values added by Damien Doligez, INRIA Rocquencourt
- * Various cleanups by Paul Mundt (lethal@chaoticdreams.org)
- *
- * This file was written by Ryan Nielsen (ran@krazynet.com)
- * Most of the frame buffer device stuff was copied from atyfb.c
- *
- * 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/console.h>
- #include <linux/selection.h>
- #include <linux/init.h>
- #include <linux/pci.h>
- #include <asm/io.h>
- #include <asm/uaccess.h>
- #if defined(CONFIG_PPC)
- #include <linux/nvram.h>
- #include <asm/prom.h>
- #include <asm/pci-bridge.h>
- #include <video/macmodes.h>
- #endif
- #include <video/fbcon.h>
- #include <video/fbcon-cfb8.h>
- #include <video/fbcon-cfb16.h>
- #include <video/fbcon-cfb24.h>
- #include <video/fbcon-cfb32.h>
- #ifndef __powerpc__
- #define eieio() /* Enforce In-order Execution of I/O */
- #endif
- /* TwinTurbo (Cosmo) registers */
- enum {
- S1SA = 0, /* 0x00 */
- S2SA = 1, /* 0x04 */
- SP = 2, /* 0x08 */
- DSA = 3, /* 0x0C */
- CNT = 4, /* 0x10 */
- DP_OCTL = 5, /* 0x14 */
- CLR = 6, /* 0x18 */
- BI = 8, /* 0x20 */
- MBC = 9, /* 0x24 */
- BLTCTL = 10, /* 0x28 */
- /* Scan Timing Generator Registers */
- HES = 12, /* 0x30 */
- HEB = 13, /* 0x34 */
- HSB = 14, /* 0x38 */
- HT = 15, /* 0x3C */
- VES = 16, /* 0x40 */
- VEB = 17, /* 0x44 */
- VSB = 18, /* 0x48 */
- VT = 19, /* 0x4C */
- HCIV = 20, /* 0x50 */
- VCIV = 21, /* 0x54 */
- TCDR = 22, /* 0x58 */
- VIL = 23, /* 0x5C */
- STGCTL = 24, /* 0x60 */
- /* Screen Refresh Generator Registers */
- SSR = 25, /* 0x64 */
- HRIR = 26, /* 0x68 */
- SPR = 27, /* 0x6C */
- CMR = 28, /* 0x70 */
- SRGCTL = 29, /* 0x74 */
- /* RAM Refresh Generator Registers */
- RRCIV = 30, /* 0x78 */
- RRSC = 31, /* 0x7C */
- RRCR = 34, /* 0x88 */
- /* System Registers */
- GIOE = 32, /* 0x80 */
- GIO = 33, /* 0x84 */
- SCR = 35, /* 0x8C */
- SSTATUS = 36, /* 0x90 */
- PRC = 37, /* 0x94 */
- #if 0
- /* PCI Registers */
- DVID = 0x00000000L,
- SC = 0x00000004L,
- CCR = 0x00000008L,
- OG = 0x0000000CL,
- BARM = 0x00000010L,
- BARER = 0x00000030L,
- #endif
- };
- /* IBM 624 RAMDAC Direct Registers */
- enum {
- PADDRW = 0x00,
- PDATA = 0x04,
- PPMASK = 0x08,
- PADDRR = 0x0c,
- PIDXLO = 0x10,
- PIDXHI = 0x14,
- PIDXDATA= 0x18,
- PIDXCTL = 0x1c
- };
- /* IBM 624 RAMDAC Indirect Registers */
- enum {
- CLKCTL = 0x02, /* (0x01) Miscellaneous Clock Control */
- SYNCCTL = 0x03, /* (0x00) Sync Control */
- HSYNCPOS = 0x04, /* (0x00) Horizontal Sync Position */
- PWRMNGMT = 0x05, /* (0x00) Power Management */
- DACOP = 0x06, /* (0x02) DAC Operation */
- PALETCTL = 0x07, /* (0x00) Palette Control */
- SYSCLKCTL = 0x08, /* (0x01) System Clock Control */
- PIXFMT = 0x0a, /* () Pixel Format [bpp >> 3 + 2] */
- BPP8 = 0x0b, /* () 8 Bits/Pixel Control */
- BPP16 = 0x0c, /* () 16 Bits/Pixel Control [bit 1=1 for 565] */
- BPP24 = 0x0d, /* () 24 Bits/Pixel Control */
- BPP32 = 0x0e, /* () 32 Bits/Pixel Control */
- PIXCTL1 = 0x10, /* (0x05) Pixel PLL Control 1 */
- PIXCTL2 = 0x11, /* (0x00) Pixel PLL Control 2 */
- SYSCLKN = 0x15, /* () System Clock N (System PLL Reference Divider) */
- SYSCLKM = 0x16, /* () System Clock M (System PLL VCO Divider) */
- SYSCLKP = 0x17, /* () System Clock P */
- SYSCLKC = 0x18, /* () System Clock C */
- /*
- * Dot clock rate is 20MHz * (m + 1) / ((n + 1) * (p ? 2 * p : 1)
- * c is charge pump bias which depends on the VCO frequency
- */
- PIXM0 = 0x20, /* () Pixel M 0 */
- PIXN0 = 0x21, /* () Pixel N 0 */
- PIXP0 = 0x22, /* () Pixel P 0 */
- PIXC0 = 0x23, /* () Pixel C 0 */
- CURSCTL = 0x30, /* (0x00) Cursor Control */
- CURSXLO = 0x31, /* () Cursor X position, low 8 bits */
- CURSXHI = 0x32, /* () Cursor X position, high 8 bits */
- CURSYLO = 0x33, /* () Cursor Y position, low 8 bits */
- CURSYHI = 0x34, /* () Cursor Y position, high 8 bits */
- CURSHOTX = 0x35, /* () Cursor Hot Spot X */
- CURSHOTY = 0x36, /* () Cursor Hot Spot Y */
- CURSACCTL = 0x37, /* () Advanced Cursor Control Enable */
- CURSACATTR = 0x38, /* () Advanced Cursor Attribute */
- CURS1R = 0x40, /* () Cursor 1 Red */
- CURS1G = 0x41, /* () Cursor 1 Green */
- CURS1B = 0x42, /* () Cursor 1 Blue */
- CURS2R = 0x43, /* () Cursor 2 Red */
- CURS2G = 0x44, /* () Cursor 2 Green */
- CURS2B = 0x45, /* () Cursor 2 Blue */
- CURS3R = 0x46, /* () Cursor 3 Red */
- CURS3G = 0x47, /* () Cursor 3 Green */
- CURS3B = 0x48, /* () Cursor 3 Blue */
- BORDR = 0x60, /* () Border Color Red */
- BORDG = 0x61, /* () Border Color Green */
- BORDB = 0x62, /* () Border Color Blue */
- MISCTL1 = 0x70, /* (0x00) Miscellaneous Control 1 */
- MISCTL2 = 0x71, /* (0x00) Miscellaneous Control 2 */
- MISCTL3 = 0x72, /* (0x00) Miscellaneous Control 3 */
- KEYCTL = 0x78 /* (0x00) Key Control/DB Operation */
- };
- /* TI TVP 3030 RAMDAC Direct Registers */
- enum {
- TVPADDRW = 0x00, /* 0 Palette/Cursor RAM Write Address/Index */
- TVPPDATA = 0x04, /* 1 Palette Data RAM Data */
- TVPPMASK = 0x08, /* 2 Pixel Read-Mask */
- TVPPADRR = 0x0c, /* 3 Palette/Cursor RAM Read Address */
- TVPCADRW = 0x10, /* 4 Cursor/Overscan Color Write Address */
- TVPCDATA = 0x14, /* 5 Cursor/Overscan Color Data */
- /* 6 reserved */
- TVPCADRR = 0x1c, /* 7 Cursor/Overscan Color Read Address */
- /* 8 reserved */
- TVPDCCTL = 0x24, /* 9 Direct Cursor Control */
- TVPIDATA = 0x28, /* 10 Index Data */
- TVPCRDAT = 0x2c, /* 11 Cursor RAM Data */
- TVPCXPOL = 0x30, /* 12 Cursor-Position X LSB */
- TVPCXPOH = 0x34, /* 13 Cursor-Position X MSB */
- TVPCYPOL = 0x38, /* 14 Cursor-Position Y LSB */
- TVPCYPOH = 0x3c, /* 15 Cursor-Position Y MSB */
- };
- /* TI TVP 3030 RAMDAC Indirect Registers */
- enum {
- TVPIRREV = 0x01, /* Silicon Revision [RO] */
- TVPIRICC = 0x06, /* Indirect Cursor Control (0x00) */
- TVPIRBRC = 0x07, /* Byte Router Control (0xe4) */
- TVPIRLAC = 0x0f, /* Latch Control (0x06) */
- TVPIRTCC = 0x18, /* True Color Control (0x80) */
- TVPIRMXC = 0x19, /* Multiplex Control (0x98) */
- TVPIRCLS = 0x1a, /* Clock Selection (0x07) */
- TVPIRPPG = 0x1c, /* Palette Page (0x00) */
- TVPIRGEC = 0x1d, /* General Control (0x00) */
- TVPIRMIC = 0x1e, /* Miscellaneous Control (0x00) */
- TVPIRPLA = 0x2c, /* PLL Address */
- TVPIRPPD = 0x2d, /* Pixel Clock PLL Data */
- TVPIRMPD = 0x2e, /* Memory Clock PLL Data */
- TVPIRLPD = 0x2f, /* Loop Clock PLL Data */
- TVPIRCKL = 0x30, /* Color-Key Overlay Low */
- TVPIRCKH = 0x31, /* Color-Key Overlay High */
- TVPIRCRL = 0x32, /* Color-Key Red Low */
- TVPIRCRH = 0x33, /* Color-Key Red High */
- TVPIRCGL = 0x34, /* Color-Key Green Low */
- TVPIRCGH = 0x35, /* Color-Key Green High */
- TVPIRCBL = 0x36, /* Color-Key Blue Low */
- TVPIRCBH = 0x37, /* Color-Key Blue High */
- TVPIRCKC = 0x38, /* Color-Key Control (0x00) */
- TVPIRMLC = 0x39, /* MCLK/Loop Clock Control (0x18) */
- TVPIRSEN = 0x3a, /* Sense Test (0x00) */
- TVPIRTMD = 0x3b, /* Test Mode Data */
- TVPIRRML = 0x3c, /* CRC Remainder LSB [RO] */
- TVPIRRMM = 0x3d, /* CRC Remainder MSB [RO] */
- TVPIRRMS = 0x3e, /* CRC Bit Select [WO] */
- TVPIRDID = 0x3f, /* Device ID [RO] (0x30) */
- TVPIRRES = 0xff /* Software Reset [WO] */
- };
- struct initvalues {
- __u8 addr, value;
- };
- static struct initvalues ibm_initregs[] __initdata = {
- { CLKCTL, 0x21 },
- { SYNCCTL, 0x00 },
- { HSYNCPOS, 0x00 },
- { PWRMNGMT, 0x00 },
- { DACOP, 0x02 },
- { PALETCTL, 0x00 },
- { SYSCLKCTL, 0x01 },
- /*
- * Note that colors in X are correct only if all video data is
- * passed through the palette in the DAC. That is, "indirect
- * color" must be configured. This is the case for the IBM DAC
- * used in the 2MB and 4MB cards, at least.
- */
- { BPP8, 0x00 },
- { BPP16, 0x01 },
- { BPP24, 0x00 },
- { BPP32, 0x00 },
- { PIXCTL1, 0x05 },
- { PIXCTL2, 0x00 },
- { SYSCLKN, 0x08 },
- { SYSCLKM, 0x4f },
- { SYSCLKP, 0x00 },
- { SYSCLKC, 0x00 },
- { CURSCTL, 0x00 },
- { CURSACCTL, 0x01 },
- { CURSACATTR, 0xa8 },
- { CURS1R, 0xff },
- { CURS1G, 0xff },
- { CURS1B, 0xff },
- { CURS2R, 0xff },
- { CURS2G, 0xff },
- { CURS2B, 0xff },
- { CURS3R, 0xff },
- { CURS3G, 0xff },
- { CURS3B, 0xff },
- { BORDR, 0xff },
- { BORDG, 0xff },
- { BORDB, 0xff },
- { MISCTL1, 0x01 },
- { MISCTL2, 0x45 },
- { MISCTL3, 0x00 },
- { KEYCTL, 0x00 }
- };
- static struct initvalues tvp_initregs[] __initdata = {
- { TVPIRICC, 0x00 },
- { TVPIRBRC, 0xe4 },
- { TVPIRLAC, 0x06 },
- { TVPIRTCC, 0x80 },
- { TVPIRMXC, 0x4d },
- { TVPIRCLS, 0x05 },
- { TVPIRPPG, 0x00 },
- { TVPIRGEC, 0x00 },
- { TVPIRMIC, 0x08 },
- { TVPIRCKL, 0xff },
- { TVPIRCKH, 0xff },
- { TVPIRCRL, 0xff },
- { TVPIRCRH, 0xff },
- { TVPIRCGL, 0xff },
- { TVPIRCGH, 0xff },
- { TVPIRCBL, 0xff },
- { TVPIRCBH, 0xff },
- { TVPIRCKC, 0x00 },
- { TVPIRPLA, 0x00 },
- { TVPIRPPD, 0xc0 },
- { TVPIRPPD, 0xd5 },
- { TVPIRPPD, 0xea },
- { TVPIRPLA, 0x00 },
- { TVPIRMPD, 0xb9 },
- { TVPIRMPD, 0x3a },
- { TVPIRMPD, 0xb1 },
- { TVPIRPLA, 0x00 },
- { TVPIRLPD, 0xc1 },
- { TVPIRLPD, 0x3d },
- { TVPIRLPD, 0xf3 },
- };
- struct imstt_regvals {
- __u32 pitch;
- __u16 hes, heb, hsb, ht, ves, veb, vsb, vt, vil;
- __u8 pclk_m, pclk_n, pclk_p;
- /* Values of the tvp which change depending on colormode x resolution */
- __u8 mlc[3]; /* Memory Loop Config 0x39 */
- __u8 lckl_p[3]; /* P value of LCKL PLL */
- };
- struct imstt_cursor {
- struct timer_list timer;
- int enable;
- int on;
- int vbl_cnt;
- int blink_rate;
- __u16 x, y, width, height;
- };
- struct fb_info_imstt {
- struct fb_info info;
- struct fb_fix_screeninfo fix;
- struct display disp;
- struct display_switch dispsw;
- union {
- #ifdef FBCON_HAS_CFB16
- __u16 cfb16[16];
- #endif
- #ifdef FBCON_HAS_CFB24
- __u32 cfb24[16];
- #endif
- #ifdef FBCON_HAS_CFB32
- __u32 cfb32[16];
- #endif
- } fbcon_cmap;
- struct {
- __u8 red, green, blue;
- } palette[256];
- struct imstt_regvals init;
- struct imstt_cursor cursor;
- unsigned long frame_buffer_phys;
- unsigned long board_size;
- __u8 *frame_buffer;
- unsigned long dc_regs_phys;
- __u32 *dc_regs;
- unsigned long cmap_regs_phys;
- __u8 *cmap_regs;
- __u32 total_vram;
- __u32 ramdac;
- };
- enum {
- IBM = 0,
- TVP = 1
- };
- #define INIT_BPP 8
- #define INIT_XRES 640
- #define INIT_YRES 480
- #define CURSOR_BLINK_RATE 20
- #define CURSOR_DRAW_DELAY 2
- static int currcon = 0;
- static int inverse = 0;
- static char fontname[40] __initdata = { 0 };
- static char curblink __initdata = 1;
- static char noaccel __initdata = 0;
- #if defined(CONFIG_PPC)
- static signed char init_vmode __initdata = VMODE_NVRAM;
- static signed char init_cmode __initdata = CMODE_NVRAM;
- #endif
- static struct imstt_regvals tvp_reg_init_2 = {
- 512,
- 0x0002, 0x0006, 0x0026, 0x0028, 0x0003, 0x0016, 0x0196, 0x0197, 0x0196,
- 0xec, 0x2a, 0xf3,
- { 0x3c, 0x3b, 0x39 }, { 0xf3, 0xf3, 0xf3 }
- };
- static struct imstt_regvals tvp_reg_init_6 = {
- 640,
- 0x0004, 0x0009, 0x0031, 0x0036, 0x0003, 0x002a, 0x020a, 0x020d, 0x020a,
- 0xef, 0x2e, 0xb2,
- { 0x39, 0x39, 0x38 }, { 0xf3, 0xf3, 0xf3 }
- };
- static struct imstt_regvals tvp_reg_init_12 = {
- 800,
- 0x0005, 0x000e, 0x0040, 0x0042, 0x0003, 0x018, 0x270, 0x271, 0x270,
- 0xf6, 0x2e, 0xf2,
- { 0x3a, 0x39, 0x38 }, { 0xf3, 0xf3, 0xf3 }
- };
- static struct imstt_regvals tvp_reg_init_13 = {
- 832,
- 0x0004, 0x0011, 0x0045, 0x0048, 0x0003, 0x002a, 0x029a, 0x029b, 0x0000,
- 0xfe, 0x3e, 0xf1,
- { 0x39, 0x38, 0x38 }, { 0xf3, 0xf3, 0xf2 }
- };
- static struct imstt_regvals tvp_reg_init_17 = {
- 1024,
- 0x0006, 0x0210, 0x0250, 0x0053, 0x1003, 0x0021, 0x0321, 0x0324, 0x0000,
- 0xfc, 0x3a, 0xf1,
- { 0x39, 0x38, 0x38 }, { 0xf3, 0xf3, 0xf2 }
- };
- static struct imstt_regvals tvp_reg_init_18 = {
- 1152,
- 0x0009, 0x0011, 0x059, 0x5b, 0x0003, 0x0031, 0x0397, 0x039a, 0x0000,
- 0xfd, 0x3a, 0xf1,
- { 0x39, 0x38, 0x38 }, { 0xf3, 0xf3, 0xf2 }
- };
- static struct imstt_regvals tvp_reg_init_19 = {
- 1280,
- 0x0009, 0x0016, 0x0066, 0x0069, 0x0003, 0x0027, 0x03e7, 0x03e8, 0x03e7,
- 0xf7, 0x36, 0xf0,
- { 0x38, 0x38, 0x38 }, { 0xf3, 0xf2, 0xf1 }
- };
- static struct imstt_regvals tvp_reg_init_20 = {
- 1280,
- 0x0009, 0x0018, 0x0068, 0x006a, 0x0003, 0x0029, 0x0429, 0x042a, 0x0000,
- 0xf0, 0x2d, 0xf0,
- { 0x38, 0x38, 0x38 }, { 0xf3, 0xf2, 0xf1 }
- };
- /*
- * PCI driver prototypes
- */
- static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
- static void imsttfb_remove(struct pci_dev *pdev);
- static __u32
- getclkMHz (struct fb_info_imstt *p)
- {
- __u32 clk_m, clk_n, clk_p;
- clk_m = p->init.pclk_m;
- clk_n = p->init.pclk_n;
- clk_p = p->init.pclk_p;
- return 20 * (clk_m + 1) / ((clk_n + 1) * (clk_p ? 2 * clk_p : 1));
- }
- static void
- setclkMHz (struct fb_info_imstt *p, __u32 MHz)
- {
- __u32 clk_m, clk_n, clk_p, x, stage, spilled;
- clk_m = clk_n = clk_p = 0;
- stage = spilled = 0;
- for (;;) {
- switch (stage) {
- case 0:
- clk_m++;
- break;
- case 1:
- clk_n++;
- break;
- }
- x = 20 * (clk_m + 1) / ((clk_n + 1) * (clk_p ? 2 * clk_p : 1));
- if (x == MHz)
- break;
- if (x > MHz) {
- spilled = 1;
- stage = 1;
- } else if (spilled && x < MHz) {
- stage = 0;
- }
- }
- p->init.pclk_m = clk_m;
- p->init.pclk_n = clk_n;
- p->init.pclk_p = clk_p;
- }
- static struct imstt_regvals *
- compute_imstt_regvals_ibm (struct fb_info_imstt *p, int xres, int yres)
- {
- struct imstt_regvals *init = &p->init;
- __u32 MHz, hes, heb, veb, htp, vtp;
- switch (xres) {
- case 640:
- hes = 0x0008; heb = 0x0012; veb = 0x002a; htp = 10; vtp = 2;
- MHz = 30 /* .25 */ ;
- break;
- case 832:
- hes = 0x0005; heb = 0x0020; veb = 0x0028; htp = 8; vtp = 3;
- MHz = 57 /* .27_ */ ;
- break;
- case 1024:
- hes = 0x000a; heb = 0x001c; veb = 0x0020; htp = 8; vtp = 3;
- MHz = 80;
- break;
- case 1152:
- hes = 0x0012; heb = 0x0022; veb = 0x0031; htp = 4; vtp = 3;
- MHz = 101 /* .6_ */ ;
- break;
- case 1280:
- hes = 0x0012; heb = 0x002f; veb = 0x0029; htp = 4; vtp = 1;
- MHz = yres == 960 ? 126 : 135;
- break;
- case 1600:
- hes = 0x0018; heb = 0x0040; veb = 0x002a; htp = 4; vtp = 3;
- MHz = 200;
- break;
- default:
- return 0;
- }
- setclkMHz(p, MHz);
- init->hes = hes;
- init->heb = heb;
- init->hsb = init->heb + (xres >> 3);
- init->ht = init->hsb + htp;
- init->ves = 0x0003;
- init->veb = veb;
- init->vsb = init->veb + yres;
- init->vt = init->vsb + vtp;
- init->vil = init->vsb;
- init->pitch = xres;
- return init;
- }
- static struct imstt_regvals *
- compute_imstt_regvals_tvp (struct fb_info_imstt *p, int xres, int yres)
- {
- struct imstt_regvals *init;
- switch (xres) {
- case 512:
- init = &tvp_reg_init_2;
- break;
- case 640:
- init = &tvp_reg_init_6;
- break;
- case 800:
- init = &tvp_reg_init_12;
- break;
- case 832:
- init = &tvp_reg_init_13;
- break;
- case 1024:
- init = &tvp_reg_init_17;
- break;
- case 1152:
- init = &tvp_reg_init_18;
- break;
- case 1280:
- init = yres == 960 ? &tvp_reg_init_19 : &tvp_reg_init_20;
- break;
- default:
- return 0;
- }
- p->init = *init;
- return init;
- }
- static struct imstt_regvals *
- compute_imstt_regvals (struct fb_info_imstt *p, u_int xres, u_int yres)
- {
- if (p->ramdac == IBM)
- return compute_imstt_regvals_ibm(p, xres, yres);
- else
- return compute_imstt_regvals_tvp(p, xres, yres);
- }
- static void
- set_imstt_regvals_ibm (struct fb_info_imstt *p, u_int bpp)
- {
- struct imstt_regvals *init = &p->init;
- __u8 pformat = (bpp >> 3) + 2;
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = PIXM0; eieio();
- p->cmap_regs[PIDXDATA] = init->pclk_m; eieio();
- p->cmap_regs[PIDXLO] = PIXN0; eieio();
- p->cmap_regs[PIDXDATA] = init->pclk_n; eieio();
- p->cmap_regs[PIDXLO] = PIXP0; eieio();
- p->cmap_regs[PIDXDATA] = init->pclk_p; eieio();
- p->cmap_regs[PIDXLO] = PIXC0; eieio();
- p->cmap_regs[PIDXDATA] = 0x02; eieio();
- p->cmap_regs[PIDXLO] = PIXFMT; eieio();
- p->cmap_regs[PIDXDATA] = pformat; eieio();
- }
- static void
- set_imstt_regvals_tvp (struct fb_info_imstt *p, u_int bpp)
- {
- struct imstt_regvals *init = &p->init;
- __u8 tcc, mxc, lckl_n, mic;
- __u8 mlc, lckl_p;
- switch (bpp) {
- case 8:
- tcc = 0x80;
- mxc = 0x4d;
- lckl_n = 0xc1;
- mlc = init->mlc[0];
- lckl_p = init->lckl_p[0];
- break;
- case 16:
- tcc = 0x44;
- mxc = 0x55;
- lckl_n = 0xe1;
- mlc = init->mlc[1];
- lckl_p = init->lckl_p[1];
- break;
- case 24:
- tcc = 0x5e;
- mxc = 0x5d;
- lckl_n = 0xf1;
- mlc = init->mlc[2];
- lckl_p = init->lckl_p[2];
- break;
- case 32:
- tcc = 0x46;
- mxc = 0x5d;
- lckl_n = 0xf1;
- mlc = init->mlc[2];
- lckl_p = init->lckl_p[2];
- break;
- }
- mic = 0x08;
- p->cmap_regs[TVPADDRW] = TVPIRPLA; eieio();
- p->cmap_regs[TVPIDATA] = 0x00; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPPD; eieio();
- p->cmap_regs[TVPIDATA] = init->pclk_m; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPPD; eieio();
- p->cmap_regs[TVPIDATA] = init->pclk_n; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPPD; eieio();
- p->cmap_regs[TVPIDATA] = init->pclk_p; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRTCC; eieio();
- p->cmap_regs[TVPIDATA] = tcc; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRMXC; eieio();
- p->cmap_regs[TVPIDATA] = mxc; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRMIC; eieio();
- p->cmap_regs[TVPIDATA] = mic; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPLA; eieio();
- p->cmap_regs[TVPIDATA] = 0x00; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRLPD; eieio();
- p->cmap_regs[TVPIDATA] = lckl_n; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPLA; eieio();
- p->cmap_regs[TVPIDATA] = 0x15; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRMLC; eieio();
- p->cmap_regs[TVPIDATA] = mlc; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRPLA; eieio();
- p->cmap_regs[TVPIDATA] = 0x2a; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRLPD; eieio();
- p->cmap_regs[TVPIDATA] = lckl_p; eieio();
- }
- static void
- set_imstt_regvals (struct fb_info_imstt *p, u_int bpp)
- {
- struct imstt_regvals *init = &p->init;
- __u32 ctl, pitch, byteswap, scr;
- if (p->ramdac == IBM)
- set_imstt_regvals_ibm(p, bpp);
- else
- set_imstt_regvals_tvp(p, bpp);
- /*
- * From what I (jsk) can gather poking around with MacsBug,
- * bits 8 and 9 in the SCR register control endianness
- * correction (byte swapping). These bits must be set according
- * to the color depth as follows:
- * Color depth Bit 9 Bit 8
- * ========== ===== =====
- * 8bpp 0 0
- * 16bpp 0 1
- * 32bpp 1 1
- */
- switch (bpp) {
- case 8:
- ctl = 0x17b1;
- pitch = init->pitch >> 2;
- byteswap = 0x000;
- break;
- case 16:
- ctl = 0x17b3;
- pitch = init->pitch >> 1;
- byteswap = 0x100;
- break;
- case 24:
- ctl = 0x17b9;
- pitch = init->pitch - (p->init.pitch >> 2);
- byteswap = 0x200;
- break;
- case 32:
- ctl = 0x17b5;
- pitch = init->pitch;
- byteswap = 0x300;
- break;
- }
- if (p->ramdac == TVP)
- ctl -= 0x30;
- out_le32(&p->dc_regs[HES], init->hes);
- out_le32(&p->dc_regs[HEB], init->heb);
- out_le32(&p->dc_regs[HSB], init->hsb);
- out_le32(&p->dc_regs[HT], init->ht);
- out_le32(&p->dc_regs[VES], init->ves);
- out_le32(&p->dc_regs[VEB], init->veb);
- out_le32(&p->dc_regs[VSB], init->vsb);
- out_le32(&p->dc_regs[VT], init->vt);
- out_le32(&p->dc_regs[VIL], init->vil);
- out_le32(&p->dc_regs[HCIV], 1);
- out_le32(&p->dc_regs[VCIV], 1);
- out_le32(&p->dc_regs[TCDR], 4);
- out_le32(&p->dc_regs[RRCIV], 1);
- out_le32(&p->dc_regs[RRSC], 0x980);
- out_le32(&p->dc_regs[RRCR], 0x11);
- if (p->ramdac == IBM) {
- out_le32(&p->dc_regs[HRIR], 0x0100);
- out_le32(&p->dc_regs[CMR], 0x00ff);
- out_le32(&p->dc_regs[SRGCTL], 0x0073);
- } else {
- out_le32(&p->dc_regs[HRIR], 0x0200);
- out_le32(&p->dc_regs[CMR], 0x01ff);
- out_le32(&p->dc_regs[SRGCTL], 0x0003);
- }
- switch (p->total_vram) {
- case 0x200000:
- scr = 0x059d | byteswap;
- break;
- /* case 0x400000:
- case 0x800000: */
- default:
- pitch >>= 1;
- scr = 0x150dd | byteswap;
- break;
- }
- out_le32(&p->dc_regs[SCR], scr);
- out_le32(&p->dc_regs[SPR], pitch);
- out_le32(&p->dc_regs[STGCTL], ctl);
- }
- static inline void
- set_offset (struct display *disp, struct fb_info_imstt *p)
- {
- __u32 off = disp->var.yoffset * (disp->line_length >> 3)
- + ((disp->var.xoffset * (disp->var.bits_per_pixel >> 3)) >> 3);
- out_le32(&p->dc_regs[SSR], off);
- }
- static inline void
- set_555 (struct fb_info_imstt *p)
- {
- if (p->ramdac == IBM) {
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = BPP16; eieio();
- p->cmap_regs[PIDXDATA] = 0x01; eieio();
- } else {
- p->cmap_regs[TVPADDRW] = TVPIRTCC; eieio();
- p->cmap_regs[TVPIDATA] = 0x44; eieio();
- }
- }
- static inline void
- set_565 (struct fb_info_imstt *p)
- {
- if (p->ramdac == IBM) {
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = BPP16; eieio();
- p->cmap_regs[PIDXDATA] = 0x03; eieio();
- } else {
- p->cmap_regs[TVPADDRW] = TVPIRTCC; eieio();
- p->cmap_regs[TVPIDATA] = 0x45; eieio();
- }
- }
- static void
- imstt_set_cursor (struct fb_info_imstt *p, int on)
- {
- struct imstt_cursor *c = &p->cursor;
- if (p->ramdac == IBM) {
- p->cmap_regs[PIDXHI] = 0; eieio();
- if (!on) {
- p->cmap_regs[PIDXLO] = CURSCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0x00; eieio();
- } else {
- p->cmap_regs[PIDXLO] = CURSXHI; eieio();
- p->cmap_regs[PIDXDATA] = c->x >> 8; eieio();
- p->cmap_regs[PIDXLO] = CURSXLO; eieio();
- p->cmap_regs[PIDXDATA] = c->x & 0xff; eieio();
- p->cmap_regs[PIDXLO] = CURSYHI; eieio();
- p->cmap_regs[PIDXDATA] = c->y >> 8; eieio();
- p->cmap_regs[PIDXLO] = CURSYLO; eieio();
- p->cmap_regs[PIDXDATA] = c->y & 0xff; eieio();
- p->cmap_regs[PIDXLO] = CURSCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0x02; eieio();
- }
- } else {
- if (!on) {
- p->cmap_regs[TVPADDRW] = TVPIRICC; eieio();
- p->cmap_regs[TVPIDATA] = 0x00; eieio();
- } else {
- __u16 x = c->x + 0x40, y = c->y + 0x40;
- p->cmap_regs[TVPCXPOH] = x >> 8; eieio();
- p->cmap_regs[TVPCXPOL] = x & 0xff; eieio();
- p->cmap_regs[TVPCYPOH] = y >> 8; eieio();
- p->cmap_regs[TVPCYPOL] = y & 0xff; eieio();
- p->cmap_regs[TVPADDRW] = TVPIRICC; eieio();
- p->cmap_regs[TVPIDATA] = 0x02; eieio();
- }
- }
- }
- static void
- imsttfbcon_cursor (struct display *disp, int mode, int x, int y)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)disp->fb_info;
- struct imstt_cursor *c = &p->cursor;
- x *= fontwidth(disp);
- y *= fontheight(disp);
- if (c->x == x && c->y == y && (mode == CM_ERASE) == !c->enable)
- return;
- c->enable = 0;
- if (c->on)
- imstt_set_cursor(p, 0);
- c->x = x - disp->var.xoffset;
- c->y = y - disp->var.yoffset;
- switch (mode) {
- case CM_ERASE:
- c->on = 0;
- break;
- case CM_DRAW:
- case CM_MOVE:
- if (c->on)
- imstt_set_cursor(p, c->on);
- else
- c->vbl_cnt = CURSOR_DRAW_DELAY;
- c->enable = 1;
- break;
- }
- }
- static int
- imsttfbcon_set_font (struct display *disp, int width, int height)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)disp->fb_info;
- struct imstt_cursor *c = &p->cursor;
- u_int x, y;
- __u8 fgc;
- if (width > 32 || height > 32)
- return -EINVAL;
- c->height = height;
- c->width = width;
- fgc = ~attr_bgcol_ec(disp, disp->conp);
- if (p->ramdac == IBM) {
- p->cmap_regs[PIDXHI] = 1; eieio();
- for (x = 0; x < 0x100; x++) {
- p->cmap_regs[PIDXLO] = x; eieio();
- p->cmap_regs[PIDXDATA] = 0x00; eieio();
- }
- p->cmap_regs[PIDXHI] = 1; eieio();
- for (y = 0; y < height; y++)
- for (x = 0; x < width >> 2; x++) {
- p->cmap_regs[PIDXLO] = x + y * 8; eieio();
- p->cmap_regs[PIDXDATA] = 0xff; eieio();
- }
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = CURS1R; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS1G; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS1B; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS2R; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS2G; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS2B; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS3R; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS3G; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- p->cmap_regs[PIDXLO] = CURS3B; eieio();
- p->cmap_regs[PIDXDATA] = fgc; eieio();
- } else {
- p->cmap_regs[TVPADDRW] = TVPIRICC; eieio();
- p->cmap_regs[TVPIDATA] &= 0x03; eieio();
- p->cmap_regs[TVPADDRW] = 0; eieio();
- for (x = 0; x < 0x200; x++) {
- p->cmap_regs[TVPCRDAT] = 0x00; eieio();
- }
- for (x = 0; x < 0x200; x++) {
- p->cmap_regs[TVPCRDAT] = 0xff; eieio();
- }
- p->cmap_regs[TVPADDRW] = TVPIRICC; eieio();
- p->cmap_regs[TVPIDATA] &= 0x03; eieio();
- for (y = 0; y < height; y++)
- for (x = 0; x < width >> 3; x++) {
- p->cmap_regs[TVPADDRW] = x + y * 8; eieio();
- p->cmap_regs[TVPCRDAT] = 0xff; eieio();
- }
- p->cmap_regs[TVPADDRW] = TVPIRICC; eieio();
- p->cmap_regs[TVPIDATA] |= 0x08; eieio();
- for (y = 0; y < height; y++)
- for (x = 0; x < width >> 3; x++) {
- p->cmap_regs[TVPADDRW] = x + y * 8; eieio();
- p->cmap_regs[TVPCRDAT] = 0xff; eieio();
- }
- p->cmap_regs[TVPCADRW] = 0x00; eieio();
- for (x = 0; x < 12; x++) {
- p->cmap_regs[TVPCDATA] = fgc; eieio();
- }
- }
- return 1;
- }
- static void
- imstt_cursor_timer_handler (unsigned long dev_addr)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)dev_addr;
- struct imstt_cursor *c = &p->cursor;
- if (!c->enable)
- goto out;
- if (c->vbl_cnt && --c->vbl_cnt == 0) {
- c->on ^= 1;
- imstt_set_cursor(p, c->on);
- c->vbl_cnt = c->blink_rate;
- }
- out:
- c->timer.expires = jiffies + (HZ / 50);
- add_timer(&c->timer);
- }
- static void __init
- imstt_cursor_init (struct fb_info_imstt *p)
- {
- struct imstt_cursor *c = &p->cursor;
- imsttfbcon_set_font(&p->disp, fontwidth(&p->disp), fontheight(&p->disp));
- c->enable = 1;
- c->on = 1;
- c->x = c->y = 0;
- c->blink_rate = 0;
- c->vbl_cnt = CURSOR_DRAW_DELAY;
- if (curblink) {
- c->blink_rate = CURSOR_BLINK_RATE;
- init_timer(&c->timer);
- c->timer.expires = jiffies + (HZ / 50);
- c->timer.data = (unsigned long)p;
- c->timer.function = imstt_cursor_timer_handler;
- add_timer(&c->timer);
- }
- }
- static void
- imsttfbcon_bmove (struct display *disp, int sy, int sx, int dy, int dx, int height, int width)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)disp->fb_info;
- __u32 Bpp, line_pitch,
- fb_offset_old, fb_offset_new,
- sp, dp_octl, cnt, bltctl;
- Bpp = disp->var.bits_per_pixel >> 3,
- sy *= fontheight(disp);
- sx *= fontwidth(disp);
- sx *= Bpp;
- dy *= fontheight(disp);
- dx *= fontwidth(disp);
- dx *= Bpp;
- height *= fontheight(disp);
- height--;
- width *= fontwidth(disp);
- width *= Bpp;
- width--;
- line_pitch = disp->line_length;
- bltctl = 0x05;
- sp = line_pitch << 16;
- cnt = height << 16;
- if (sy < dy) {
- sy += height;
- dy += height;
- sp |= -(line_pitch) & 0xffff;
- dp_octl = -(line_pitch) & 0xffff;
- } else {
- sp |= line_pitch;
- dp_octl = line_pitch;
- }
- if (sx < dx) {
- sx += width;
- dx += width;
- bltctl |= 0x80;
- cnt |= -(width) & 0xffff;
- } else {
- cnt |= width;
- }
- fb_offset_old = sy * line_pitch + sx;
- fb_offset_new = dy * line_pitch + dx;
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- out_le32(&p->dc_regs[S1SA], fb_offset_old);
- out_le32(&p->dc_regs[SP], sp);
- out_le32(&p->dc_regs[DSA], fb_offset_new);
- out_le32(&p->dc_regs[CNT], cnt);
- out_le32(&p->dc_regs[DP_OCTL], dp_octl);
- out_le32(&p->dc_regs[BLTCTL], bltctl);
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x40);
- }
- static void
- imsttfbcon_clear (struct vc_data *conp, struct display *disp,
- int sy, int sx, int height, int width)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)disp->fb_info;
- __u32 Bpp, line_pitch, bgc;
- bgc = attr_bgcol_ec(disp, conp);
- bgc |= (bgc << 8);
- bgc |= (bgc << 16);
- Bpp = disp->var.bits_per_pixel >> 3,
- line_pitch = disp->line_length;
- sy *= fontheight(disp);
- sy *= line_pitch;
- sx *= fontwidth(disp);
- sx *= Bpp;
- height *= fontheight(disp);
- height--;
- width *= fontwidth(disp);
- width *= Bpp;
- width--;
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- out_le32(&p->dc_regs[DSA], sy + sx);
- out_le32(&p->dc_regs[CNT], (height << 16) | width);
- out_le32(&p->dc_regs[DP_OCTL], line_pitch);
- out_le32(&p->dc_regs[BI], 0xffffffff);
- out_le32(&p->dc_regs[MBC], 0xffffffff);
- out_le32(&p->dc_regs[CLR], bgc);
- out_le32(&p->dc_regs[BLTCTL], 0x840); /* 0x200000 */
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x40);
- }
- static void
- imsttfbcon_revc (struct display *disp, int sx, int sy)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)disp->fb_info;
- __u32 Bpp, line_pitch, height, width;
- Bpp = disp->var.bits_per_pixel >> 3,
- line_pitch = disp->line_length;
- height = fontheight(disp);
- width = fontwidth(disp) * Bpp;
- sy *= height;
- sy *= line_pitch;
- sx *= width;
- height--;
- width--;
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- out_le32(&p->dc_regs[DSA], sy + sx);
- out_le32(&p->dc_regs[S1SA], sy + sx);
- out_le32(&p->dc_regs[CNT], (height << 16) | width);
- out_le32(&p->dc_regs[DP_OCTL], line_pitch);
- out_le32(&p->dc_regs[SP], line_pitch);
- out_le32(&p->dc_regs[BLTCTL], 0x40005);
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x80);
- while(in_le32(&p->dc_regs[SSTATUS]) & 0x40);
- }
- #ifdef FBCON_HAS_CFB8
- static struct display_switch fbcon_imstt8 = {
- setup: fbcon_cfb8_setup,
- bmove: imsttfbcon_bmove,
- clear: imsttfbcon_clear,
- putc: fbcon_cfb8_putc,
- putcs: fbcon_cfb8_putcs,
- revc: imsttfbcon_revc,
- cursor: imsttfbcon_cursor,
- set_font: imsttfbcon_set_font,
- clear_margins: fbcon_cfb8_clear_margins,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif
- #ifdef FBCON_HAS_CFB16
- static struct display_switch fbcon_imstt16 = {
- setup: fbcon_cfb16_setup,
- bmove: imsttfbcon_bmove,
- clear: imsttfbcon_clear,
- putc: fbcon_cfb16_putc,
- putcs: fbcon_cfb16_putcs,
- revc: imsttfbcon_revc,
- cursor: imsttfbcon_cursor,
- set_font: imsttfbcon_set_font,
- clear_margins: fbcon_cfb16_clear_margins,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif
- #ifdef FBCON_HAS_CFB24
- static struct display_switch fbcon_imstt24 = {
- setup: fbcon_cfb24_setup,
- bmove: imsttfbcon_bmove,
- clear: imsttfbcon_clear,
- putc: fbcon_cfb24_putc,
- putcs: fbcon_cfb24_putcs,
- revc: imsttfbcon_revc,
- cursor: imsttfbcon_cursor,
- set_font: imsttfbcon_set_font,
- clear_margins: fbcon_cfb24_clear_margins,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif
- #ifdef FBCON_HAS_CFB32
- static struct display_switch fbcon_imstt32 = {
- setup: fbcon_cfb32_setup,
- bmove: imsttfbcon_bmove,
- clear: imsttfbcon_clear,
- putc: fbcon_cfb32_putc,
- putcs: fbcon_cfb32_putcs,
- revc: imsttfbcon_revc,
- cursor: imsttfbcon_cursor,
- set_font: imsttfbcon_set_font,
- clear_margins: fbcon_cfb32_clear_margins,
- fontwidthmask: FONTWIDTH(4)|FONTWIDTH(8)|FONTWIDTH(12)|FONTWIDTH(16)
- };
- #endif
- #ifdef CONFIG_FB_COMPAT_XPMAC
- #include <asm/vc_ioctl.h>
- extern struct vc_mode display_info;
- extern struct fb_info *console_fb_info;
- static void
- set_display_info (struct display *disp)
- {
- display_info.width = disp->var.xres;
- display_info.height = disp->var.yres;
- display_info.depth = disp->var.bits_per_pixel;
- display_info.pitch = disp->line_length;
- switch (disp->var.xres) {
- case 512:
- display_info.mode = 2;
- break;
- case 640:
- display_info.mode = 6;
- break;
- case 800:
- display_info.mode = 12;
- break;
- case 832:
- display_info.mode = 13;
- break;
- case 1024:
- display_info.mode = 17;
- break;
- case 1152:
- display_info.mode = 18;
- break;
- case 1280:
- display_info.mode = disp->var.yres == 960 ? 19 : 20;
- break;
- default:
- display_info.mode = 0;
- }
- }
- #endif
- static int
- imsttfb_getcolreg (u_int regno, u_int *red, u_int *green,
- u_int *blue, u_int *transp, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- if (regno > 255)
- return 1;
- *red = (p->palette[regno].red << 8) | p->palette[regno].red;
- *green = (p->palette[regno].green << 8) | p->palette[regno].green;
- *blue = (p->palette[regno].blue << 8) | p->palette[regno].blue;
- *transp = 0;
- return 0;
- }
- static int
- imsttfb_setcolreg (u_int regno, u_int red, u_int green, u_int blue,
- u_int transp, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- u_int bpp = fb_display[currcon].var.bits_per_pixel;
- if (regno > 255)
- return 1;
- red >>= 8;
- green >>= 8;
- blue >>= 8;
- p->palette[regno].red = red;
- p->palette[regno].green = green;
- p->palette[regno].blue = blue;
- /* PADDRW/PDATA are the same as TVPPADDRW/TVPPDATA */
- if (0 && bpp == 16) /* screws up X */
- p->cmap_regs[PADDRW] = regno << 3;
- else
- p->cmap_regs[PADDRW] = regno;
- eieio();
- p->cmap_regs[PDATA] = red; eieio();
- p->cmap_regs[PDATA] = green; eieio();
- p->cmap_regs[PDATA] = blue; eieio();
- if (regno < 16)
- switch (bpp) {
- #ifdef FBCON_HAS_CFB16
- case 16:
- p->fbcon_cmap.cfb16[regno] = (regno << (fb_display[currcon].var.green.length == 5 ? 10 : 11)) | (regno << 5) | regno;
- break;
- #endif
- #ifdef FBCON_HAS_CFB24
- case 24:
- p->fbcon_cmap.cfb24[regno] = (regno << 16) | (regno << 8) | regno;
- break;
- #endif
- #ifdef FBCON_HAS_CFB32
- case 32: {
- int i = (regno << 8) | regno;
- p->fbcon_cmap.cfb32[regno] = (i << 16) | i;
- break;
- }
- #endif
- }
- return 0;
- }
- static void
- do_install_cmap (int con, struct fb_info *info)
- {
- if (fb_display[con].cmap.len)
- fb_set_cmap(&fb_display[con].cmap, 1, imsttfb_setcolreg, info);
- else {
- u_int size = fb_display[con].var.bits_per_pixel == 16 ? 32 : 256;
- fb_set_cmap(fb_default_cmap(size), 1, imsttfb_setcolreg, info);
- }
- }
- static int
- imsttfb_get_fix (struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- struct fb_var_screeninfo *var = &fb_display[con].var;
- *fix = p->fix;
- fix->visual = var->bits_per_pixel == 8 ? FB_VISUAL_PSEUDOCOLOR
- : FB_VISUAL_DIRECTCOLOR;
- fix->line_length = var->xres * (var->bits_per_pixel >> 3);
- return 0;
- }
- static int
- imsttfb_get_var (struct fb_var_screeninfo *var, int con, struct fb_info *info)
- {
- *var = fb_display[con].var;
- return 0;
- }
- static void
- set_dispsw (struct display *disp, struct fb_info_imstt *p)
- {
- u_int accel = disp->var.accel_flags & FB_ACCELF_TEXT;
- if (disp->conp && disp->conp->vc_sw && disp->conp->vc_sw->con_cursor)
- disp->conp->vc_sw->con_cursor(disp->conp, CM_ERASE);
- p->dispsw = fbcon_dummy;
- disp->dispsw = &p->dispsw;
- disp->dispsw_data = 0;
- switch (disp->var.bits_per_pixel) {
- case 8:
- disp->var.red.offset = 0;
- disp->var.red.length = 8;
- disp->var.green.offset = 0;
- disp->var.green.length = 8;
- disp->var.blue.offset = 0;
- disp->var.blue.length = 8;
- disp->var.transp.offset = 0;
- disp->var.transp.length = 0;
- #ifdef FBCON_HAS_CFB8
- p->dispsw = accel ? fbcon_imstt8 : fbcon_cfb8;
- #endif
- break;
- case 16: /* RGB 555 or 565 */
- if (disp->var.green.length != 6)
- disp->var.red.offset = 10;
- disp->var.red.length = 5;
- disp->var.green.offset = 5;
- if (disp->var.green.length != 6)
- disp->var.green.length = 5;
- disp->var.blue.offset = 0;
- disp->var.blue.length = 5;
- disp->var.transp.offset = 0;
- disp->var.transp.length = 0;
- #ifdef FBCON_HAS_CFB16
- p->dispsw = accel ? fbcon_imstt16 : fbcon_cfb16;
- disp->dispsw_data = p->fbcon_cmap.cfb16;
- #endif
- break;
- case 24: /* RGB 888 */
- disp->var.red.offset = 16;
- disp->var.red.length = 8;
- disp->var.green.offset = 8;
- disp->var.green.length = 8;
- disp->var.blue.offset = 0;
- disp->var.blue.length = 8;
- disp->var.transp.offset = 0;
- disp->var.transp.length = 0;
- #ifdef FBCON_HAS_CFB24
- p->dispsw = accel ? fbcon_imstt24 : fbcon_cfb24;
- disp->dispsw_data = p->fbcon_cmap.cfb24;
- #endif
- break;
- case 32: /* RGBA 8888 */
- disp->var.red.offset = 16;
- disp->var.red.length = 8;
- disp->var.green.offset = 8;
- disp->var.green.length = 8;
- disp->var.blue.offset = 0;
- disp->var.blue.length = 8;
- disp->var.transp.offset = 24;
- disp->var.transp.length = 8;
- #ifdef FBCON_HAS_CFB32
- p->dispsw = accel ? fbcon_imstt32 : fbcon_cfb32;
- disp->dispsw_data = p->fbcon_cmap.cfb32;
- #endif
- break;
- }
- if (accel && p->ramdac != IBM) {
- p->dispsw.cursor = 0;
- p->dispsw.set_font = 0;
- }
- #ifdef CONFIG_FB_COMPAT_XPMAC
- set_display_info(disp);
- #endif
- }
- static void
- set_disp (struct display *disp, struct fb_info_imstt *p)
- {
- u_int accel = disp->var.accel_flags & FB_ACCELF_TEXT;
- disp->fb_info = &p->info;
- set_dispsw(disp, p);
- disp->visual = disp->var.bits_per_pixel == 8 ? FB_VISUAL_PSEUDOCOLOR
- : FB_VISUAL_DIRECTCOLOR;
- disp->screen_base = (__u8 *)p->frame_buffer;
- disp->visual = p->fix.visual;
- disp->type = p->fix.type;
- disp->type_aux = p->fix.type_aux;
- disp->line_length = disp->var.xres * (disp->var.bits_per_pixel >> 3);
- disp->can_soft_blank = 1;
- disp->inverse = inverse;
- disp->ypanstep = 1;
- disp->ywrapstep = 0;
- if (accel) {
- disp->scrollmode = SCROLL_YNOMOVE;
- if (disp->var.yres == disp->var.yres_virtual) {
- __u32 vram = (p->total_vram - (PAGE_SIZE << 2));
- disp->var.yres_virtual = ((vram << 3) / disp->var.bits_per_pixel) / disp->var.xres_virtual;
- if (disp->var.yres_virtual < disp->var.yres)
- disp->var.yres_virtual = disp->var.yres;
- }
- } else {
- disp->scrollmode = SCROLL_YREDRAW;
- }
- disp->var.activate = 0;
- disp->var.red.msb_right = 0;
- disp->var.green.msb_right = 0;
- disp->var.blue.msb_right = 0;
- disp->var.transp.msb_right = 0;
- disp->var.height = -1;
- disp->var.width = -1;
- disp->var.vmode = FB_VMODE_NONINTERLACED;
- disp->var.left_margin = disp->var.right_margin = 16;
- disp->var.upper_margin = disp->var.lower_margin = 16;
- disp->var.hsync_len = disp->var.vsync_len = 8;
- }
- static int
- imsttfb_set_var (struct fb_var_screeninfo *var, int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- struct display *disp;
- u_int oldbpp, oldxres, oldyres, oldgreenlen, oldaccel;
- disp = &fb_display[con];
- if ((var->bits_per_pixel != 8 && var->bits_per_pixel != 16
- && var->bits_per_pixel != 24 && var->bits_per_pixel != 32)
- || var->xres_virtual < var->xres || var->yres_virtual < var->yres
- || var->nonstd
- || (var->vmode & FB_VMODE_MASK) != FB_VMODE_NONINTERLACED)
- return -EINVAL;
- if ((var->xres * var->yres) * (var->bits_per_pixel >> 3) > p->total_vram
- || (var->xres_virtual * var->yres_virtual) * (var->bits_per_pixel >> 3) > p->total_vram)
- return -EINVAL;
- if (!((var->activate & FB_ACTIVATE_MASK) == FB_ACTIVATE_NOW))
- return 0;
- if (!compute_imstt_regvals(p, var->xres, var->yres))
- return -EINVAL;
- oldbpp = disp->var.bits_per_pixel;
- oldxres = disp->var.xres;
- oldyres = disp->var.yres;
- oldgreenlen = disp->var.green.length;
- oldaccel = disp->var.accel_flags;
- disp->var.bits_per_pixel = var->bits_per_pixel;
- disp->var.xres = var->xres;
- disp->var.yres = var->yres;
- disp->var.xres_virtual = var->xres_virtual;
- disp->var.yres_virtual = var->yres_virtual;
- disp->var.green.length = var->green.length;
- disp->var.accel_flags = var->accel_flags;
- set_disp(disp, p);
- if (info->changevar)
- (*info->changevar)(con);
- if (con == currcon) {
- if (oldgreenlen != disp->var.green.length) {
- if (disp->var.green.length == 6)
- set_565(p);
- else
- set_555(p);
- }
- if (oldxres != disp->var.xres || oldyres != disp->var.yres || oldbpp != disp->var.bits_per_pixel)
- set_imstt_regvals(p, disp->var.bits_per_pixel);
-
- }
- disp->var.pixclock = 1000000 / getclkMHz(p);
- if (oldbpp != disp->var.bits_per_pixel) {
- int err = fb_alloc_cmap(&disp->cmap, 0, 0);
- if (err)
- return err;
- do_install_cmap(con, info);
- }
- *var = disp->var;
- return 0;
- }
- static int
- imsttfb_pan_display (struct fb_var_screeninfo *var, int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- struct display *disp = &fb_display[con];
- if (var->xoffset + disp->var.xres > disp->var.xres_virtual
- || var->yoffset + disp->var.yres > disp->var.yres_virtual)
- return -EINVAL;
- disp->var.xoffset = var->xoffset;
- disp->var.yoffset = var->yoffset;
- if (con == currcon)
- set_offset(disp, p);
- return 0;
- }
- static int
- imsttfb_get_cmap (struct fb_cmap *cmap, int kspc, int con, struct fb_info *info)
- {
- if (con == currcon) /* current console? */
- return fb_get_cmap(cmap, kspc, imsttfb_getcolreg, info);
- else if (fb_display[con].cmap.len) /* non default colormap? */
- fb_copy_cmap(&fb_display[con].cmap, cmap, kspc ? 0 : 2);
- else {
- u_int size = fb_display[con].var.bits_per_pixel == 16 ? 32 : 256;
- fb_copy_cmap(fb_default_cmap(size), cmap, kspc ? 0 : 2);
- }
- return 0;
- }
- static int
- imsttfb_set_cmap (struct fb_cmap *cmap, int kspc, int con, struct fb_info *info)
- {
- int err;
- if (!fb_display[con].cmap.len) { /* no colormap allocated? */
- int size = fb_display[con].var.bits_per_pixel == 16 ? 32 : 256;
- if ((err = fb_alloc_cmap(&fb_display[con].cmap, size, 0)))
- return err;
- }
- if (con == currcon) /* current console? */
- return fb_set_cmap(cmap, kspc, imsttfb_setcolreg, info);
- else
- fb_copy_cmap(cmap, &fb_display[con].cmap, kspc ? 0 : 1);
- return 0;
- }
- #define FBIMSTT_SETREG 0x545401
- #define FBIMSTT_GETREG 0x545402
- #define FBIMSTT_SETCMAPREG 0x545403
- #define FBIMSTT_GETCMAPREG 0x545404
- #define FBIMSTT_SETIDXREG 0x545405
- #define FBIMSTT_GETIDXREG 0x545406
- static int
- imsttfb_ioctl (struct inode *inode, struct file *file, u_int cmd,
- u_long arg, int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- __u8 idx[2];
- __u32 reg[2];
- switch (cmd) {
- case FBIMSTT_SETREG:
- if (copy_from_user(reg, (void *)arg, 8) || reg[0] > (0x1000 - sizeof(reg[0])) / sizeof(reg[0]))
- return -EFAULT;
- out_le32(&p->dc_regs[reg[0]], reg[1]);
- return 0;
- case FBIMSTT_GETREG:
- if (copy_from_user(reg, (void *)arg, 4) || reg[0] > (0x1000 - sizeof(reg[0])) / sizeof(reg[0]))
- return -EFAULT;
- reg[1] = in_le32(&p->dc_regs[reg[0]]);
- if (copy_to_user((void *)(arg + 4), ®[1], 4))
- return -EFAULT;
- return 0;
- case FBIMSTT_SETCMAPREG:
- if (copy_from_user(reg, (void *)arg, 8) || reg[0] > (0x1000 - sizeof(reg[0])) / sizeof(reg[0]))
- return -EFAULT;
- out_le32(&((u_int *)p->cmap_regs)[reg[0]], reg[1]);
- return 0;
- case FBIMSTT_GETCMAPREG:
- if (copy_from_user(reg, (void *)arg, 4) || reg[0] > (0x1000 - sizeof(reg[0])) / sizeof(reg[0]))
- return -EFAULT;
- reg[1] = in_le32(&((u_int *)p->cmap_regs)[reg[0]]);
- if (copy_to_user((void *)(arg + 4), ®[1], 4))
- return -EFAULT;
- return 0;
- case FBIMSTT_SETIDXREG:
- if (copy_from_user(idx, (void *)arg, 2))
- return -EFAULT;
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = idx[0]; eieio();
- p->cmap_regs[PIDXDATA] = idx[1]; eieio();
- return 0;
- case FBIMSTT_GETIDXREG:
- if (copy_from_user(idx, (void *)arg, 1))
- return -EFAULT;
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = idx[0]; eieio();
- idx[1] = p->cmap_regs[PIDXDATA];
- if (copy_to_user((void *)(arg + 1), &idx[1], 1))
- return -EFAULT;
- return 0;
- default:
- return -ENOIOCTLCMD;
- }
- }
- static struct pci_device_id imsttfb_pci_tbl[] __devinitdata = {
- { PCI_VENDOR_ID_IMS, PCI_DEVICE_ID_IMS_TT128,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, IBM },
- { PCI_VENDOR_ID_IMS, PCI_DEVICE_ID_IMS_TT3D,
- PCI_ANY_ID, PCI_ANY_ID, 0, 0, TVP },
- { 0, }
- };
- MODULE_DEVICE_TABLE(pci, imsttfb_pci_tbl);
- static struct pci_driver imsttfb_pci_driver = {
- name: "imsttfb",
- id_table: imsttfb_pci_tbl,
- probe: imsttfb_probe,
- remove: __devexit_p(imsttfb_remove),
- };
- static struct fb_ops imsttfb_ops = {
- owner: THIS_MODULE,
- fb_get_fix: imsttfb_get_fix,
- fb_get_var: imsttfb_get_var,
- fb_set_var: imsttfb_set_var,
- fb_get_cmap: imsttfb_get_cmap,
- fb_set_cmap: imsttfb_set_cmap,
- fb_pan_display: imsttfb_pan_display,
- fb_ioctl: imsttfb_ioctl,
- };
- static int
- imsttfbcon_switch (int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- struct display *old = &fb_display[currcon], *new = &fb_display[con];
- if (old->cmap.len)
- fb_get_cmap(&old->cmap, 1, imsttfb_getcolreg, info);
- if (old->conp && old->conp->vc_sw && old->conp->vc_sw->con_cursor)
- old->conp->vc_sw->con_cursor(old->conp, CM_ERASE);
- currcon = con;
- if (old->var.xres != new->var.xres
- || old->var.yres != new->var.yres
- || old->var.bits_per_pixel != new->var.bits_per_pixel
- || old->var.green.length != new->var.green.length
- || old->var.accel_flags != new->var.accel_flags) {
- set_dispsw(new, p);
- if (!compute_imstt_regvals(p, new->var.xres, new->var.yres))
- return -1;
- if (new->var.bits_per_pixel == 16) {
- if (new->var.green.length == 6)
- set_565(p);
- else
- set_555(p);
- }
- set_imstt_regvals(p, new->var.bits_per_pixel);
- }
- set_offset(new, p);
- imsttfbcon_set_font(new, fontwidth(new), fontheight(new));
- do_install_cmap(con, info);
- return 0;
- }
- static int
- imsttfbcon_updatevar (int con, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- struct display *disp = &fb_display[con];
- if (con != currcon)
- goto out;
- if (p->ramdac == IBM)
- imsttfbcon_cursor(disp, CM_ERASE, p->cursor.x, p->cursor.y);
- set_offset(disp, p);
- out:
- return 0;
- }
- static void
- imsttfbcon_blank (int blank, struct fb_info *info)
- {
- struct fb_info_imstt *p = (struct fb_info_imstt *)info;
- __u32 ctrl;
- ctrl = in_le32(&p->dc_regs[STGCTL]);
- if (blank > 0) {
- switch (blank - 1) {
- case VESA_NO_BLANKING:
- case VESA_POWERDOWN:
- ctrl &= ~0x00000380;
- if (p->ramdac == IBM) {
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = MISCTL2; eieio();
- p->cmap_regs[PIDXDATA] = 0x55; eieio();
- p->cmap_regs[PIDXLO] = MISCTL1; eieio();
- p->cmap_regs[PIDXDATA] = 0x11; eieio();
- p->cmap_regs[PIDXLO] = SYNCCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0x0f; eieio();
- p->cmap_regs[PIDXLO] = PWRMNGMT;eieio();
- p->cmap_regs[PIDXDATA] = 0x1f; eieio();
- p->cmap_regs[PIDXLO] = CLKCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0xc0;
- }
- break;
- case VESA_VSYNC_SUSPEND:
- ctrl &= ~0x00000020;
- break;
- case VESA_HSYNC_SUSPEND:
- ctrl &= ~0x00000010;
- break;
- }
- } else {
- if (p->ramdac == IBM) {
- ctrl |= 0x000017b0;
- p->cmap_regs[PIDXHI] = 0; eieio();
- p->cmap_regs[PIDXLO] = CLKCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0x01; eieio();
- p->cmap_regs[PIDXLO] = PWRMNGMT;eieio();
- p->cmap_regs[PIDXDATA] = 0x00; eieio();
- p->cmap_regs[PIDXLO] = SYNCCTL; eieio();
- p->cmap_regs[PIDXDATA] = 0x00; eieio();
- p->cmap_regs[PIDXLO] = MISCTL1; eieio();
- p->cmap_regs[PIDXDATA] = 0x01; eieio();
- p->cmap_regs[PIDXLO] = MISCTL2; eieio();
- p->cmap_regs[PIDXDATA] = 0x45; eieio();
- } else
- ctrl |= 0x00001780;
- }
- out_le32(&p->dc_regs[STGCTL], ctrl);
- }
- static void __init
- init_imstt(struct fb_info_imstt *p)
- {
- __u32 i, tmp;
- __u32 *ip, *end;
- tmp = in_le32(&p->dc_regs[PRC]);
- if (p->ramdac == IBM)
- p->total_vram = (tmp & 0x0004) ? 0x400000 : 0x200000;
- else
- p->total_vram = 0x800000;
- ip = (__u32 *)p->frame_buffer;
- end = (__u32 *)(p->frame_buffer + p->total_vram);
- while (ip < end)
- *ip++ = 0;
- /* initialize the card */
- tmp = in_le32(&p->dc_regs[STGCTL]);
- out_le32(&p->dc_regs[STGCTL], tmp & ~0x1);
- out_le32(&p->dc_regs[SSR], 0);
- /* set default values for DAC registers */
- if (p->ramdac == IBM) {
- p->cmap_regs[PPMASK] = 0xff; eieio();
- p->cmap_regs[PIDXHI] = 0; eieio();
- for (i = 0; i < sizeof(ibm_initregs) / sizeof(*ibm_initregs); i++) {
- p->cmap_regs[PIDXLO] = ibm_initregs[i].addr; eieio();
- p->cmap_regs[PIDXDATA] = ibm_initregs[i].value; eieio();
- }
- } else {
- for (i = 0; i < sizeof(tvp_initregs) / sizeof(*tvp_initregs); i++) {
- p->cmap_regs[TVPADDRW] = tvp_initregs[i].addr; eieio();
- p->cmap_regs[TVPIDATA] = tvp_initregs[i].value; eieio();
- }
- }
- #ifdef CONFIG_ALL_PPC
- {
- int vmode = init_vmode, cmode = init_cmode;
- #ifdef CONFIG_NVRAM
- /* Attempt to read vmode/cmode from NVRAM */
- if (vmode == VMODE_NVRAM)
- vmode = nvram_read_byte(NV_VMODE);
- if (cmode == CMODE_NVRAM)
- cmode = nvram_read_byte(NV_CMODE);
- #endif
- /* If we didn't get something from NVRAM, pick a
- * sane default.
- */
- if (vmode <= 0 || vmode > VMODE_MAX)
- vmode = VMODE_640_480_67;
- if (cmode < CMODE_8 || cmode > CMODE_32)
- cmode = CMODE_8;
- if (mac_vmode_to_var(vmode, cmode, &p->disp.var)) {
- p->disp.var.xres = p->disp.var.xres_virtual = INIT_XRES;
- p->disp.var.yres = p->disp.var.yres_virtual = INIT_YRES;
- p->disp.var.bits_per_pixel = INIT_BPP;
- }
- }
- #else
- p->disp.var.xres = p->disp.var.xres_virtual = INIT_XRES;
- p->disp.var.yres = p->disp.var.yres_virtual = INIT_YRES;
- p->disp.var.bits_per_pixel = INIT_BPP;
- #endif
- if ((p->disp.var.xres * p->disp.var.yres) * (p->disp.var.bits_per_pixel >> 3) > p->total_vram
- || !(compute_imstt_regvals(p, p->disp.var.xres, p->disp.var.yres))) {
- printk("imsttfb: %ux%ux%u not supportedn", p->disp.var.xres, p->disp.var.yres, p->disp.var.bits_per_pixel);
- kfree(p);
- return;
- }
- sprintf(p->fix.id, "IMS TT (%s)", p->ramdac == IBM ? "IBM" : "TVP");
- p->fix.smem_start = p->frame_buffer_phys;
- p->fix.smem_len = p->total_vram;
- p->fix.mmio_start = p->dc_regs_phys;
- p->fix.mmio_len = 0x1000;
- p->fix.accel = FB_ACCEL_IMS_TWINTURBO;
- p->fix.type = FB_TYPE_PACKED_PIXELS;
- p->fix.visual = p->disp.var.bits_per_pixel == 8 ? FB_VISUAL_PSEUDOCOLOR
- : FB_VISUAL_DIRECTCOLOR;
- p->fix.line_length = p->disp.var.xres * (p->disp.var.bits_per_pixel >> 3);
- p->fix.xpanstep = 8;
- p->fix.ypanstep = 1;
- p->fix.ywrapstep = 0;
- p->disp.var.accel_flags = noaccel ? 0 : FB_ACCELF_TEXT;
- set_disp(&p->disp, p);
- if (!noaccel && p->ramdac == IBM)
- imstt_cursor_init(p);
- if (p->disp.var.green.length == 6)
- set_565(p);
- else
- set_555(p);
- set_imstt_regvals(p, p->disp.var.bits_per_pixel);
- p->disp.var.pixclock = 1000000 / getclkMHz(p);
- strcpy(p->info.modename, p->fix.id);
- strcpy(p->info.fontname, fontname);
- p->info.node = -1;
- p->info.fbops = &imsttfb_ops;
- p->info.disp = &p->disp;
- p->info.changevar = 0;
- p->info.switch_con = &imsttfbcon_switch;
- p->info.updatevar = &imsttfbcon_updatevar;
- p->info.blank = &imsttfbcon_blank;
- p->info.flags = FBINFO_FLAG_DEFAULT;
- for (i = 0; i < 16; i++) {
- u_int j = color_table[i];
- p->palette[i].red = default_red[j];
- p->palette[i].green = default_grn[j];
- p->palette[i].blue = default_blu[j];
- }
- if (register_framebuffer(&p->info) < 0) {
- kfree(p);
- return;
- }
- i = GET_FB_IDX(p->info.node);
- tmp = (in_le32(&p->dc_regs[SSTATUS]) & 0x0f00) >> 8;
- printk("fb%u: %s frame buffer; %uMB vram; chip version %un",
- i, p->fix.id, p->total_vram >> 20, tmp);
- #ifdef CONFIG_FB_COMPAT_XPMAC
- strncpy(display_info.name, "IMS,tt128mb", sizeof(display_info.name));
- display_info.fb_address = p->frame_buffer_phys;
- display_info.cmap_adr_address = p->cmap_regs_phys + PADDRW;
- display_info.cmap_data_address = p->cmap_regs_phys + PDATA;
- display_info.disp_reg_address = p->dc_regs_phys;
- if (!console_fb_info)
- console_fb_info = &p->info;
- #endif /* CONFIG_FB_COMPAT_XPMAC */
- }
- static int __devinit
- imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
- {
- struct fb_info_imstt *p;
- unsigned long addr, size;
- addr = pci_resource_start (pdev, 0);
- size = pci_resource_len (pdev, 0);
- p = kmalloc(sizeof(struct fb_info_imstt), GFP_KERNEL);
- if (!p) {
- printk(KERN_ERR "imsttfb: Can't allocate memoryn");
- return -ENOMEM;
- }
- memset(p, 0, sizeof(struct fb_info_imstt));
- if (!request_mem_region(addr, size, "imsttfb")) {
- printk(KERN_ERR "imsttfb: Can't reserve memory regionn");
- kfree(p);
- return -ENODEV;
- }
- switch (pdev->device) {
- case PCI_DEVICE_ID_IMS_TT128: /* IMS,tt128mbA */
- p->ramdac = IBM;
- break;
- case PCI_DEVICE_ID_IMS_TT3D: /* IMS,tt3d */
- p->ramdac = TVP;
- break;
- default:
- printk(KERN_INFO "imsttfb: Device 0x%lx unknown, "
- "contact maintainer.n", pdev->device);
- return -ENODEV;
- }
- p->frame_buffer_phys = addr;
- p->board_size = size;
- p->frame_buffer = (__u8 *)ioremap(addr, p->ramdac == IBM ? 0x400000 : 0x800000);
- p->dc_regs_phys = addr + 0x800000;
- p->dc_regs = (__u32 *)ioremap(addr + 0x800000, 0x1000);
- p->cmap_regs_phys = addr + 0x840000;
- p->cmap_regs = (__u8 *)ioremap(addr + 0x840000, 0x1000);
- init_imstt(p);
- pci_set_drvdata(pdev, p);
- return 0;
- }
- static void __devexit
- imsttfb_remove(struct pci_dev *pdev)
- {
- struct fb_info_imstt *p = pci_get_drvdata(pdev);
- unregister_framebuffer(&p->info);
- iounmap(p->cmap_regs);
- iounmap(p->dc_regs);
- iounmap(p->frame_buffer);
- release_mem_region(p->frame_buffer_phys, p->board_size);
- kfree(p);
- }
- #ifndef MODULE
- int __init
- imsttfb_setup(char *options)
- {
- char *this_opt;
- if (!options || !*options)
- return 0;
- while ((this_opt = strsep(&options, ",")) != NULL) {
- if (!strncmp(this_opt, "font:", 5)) {
- char *p;
- int i;
- p = this_opt + 5;
- for (i = 0; i < sizeof(fontname) - 1; i++)
- if (!*p || *p == ' ' || *p == ',')
- break;
- memcpy(fontname, this_opt + 5, i);
- fontname[i] = 0;
- } else if (!strncmp(this_opt, "noblink", 7)) {
- curblink = 0;
- } else if (!strncmp(this_opt, "noaccel", 7)) {
- noaccel = 1;
- } else if (!strncmp(this_opt, "inverse", 7)) {
- inverse = 1;
- fb_invert_cmaps();
- }
- #if defined(CONFIG_PPC)
- else if (!strncmp(this_opt, "vmode:", 6)) {
- int vmode = simple_strtoul(this_opt+6, NULL, 0);
- if (vmode > 0 && vmode <= VMODE_MAX)
- init_vmode = vmode;
- } else if (!strncmp(this_opt, "cmode:", 6)) {
- int cmode = simple_strtoul(this_opt+6, NULL, 0);
- switch (cmode) {
- case CMODE_8:
- case 8:
- init_cmode = CMODE_8;
- break;
- case CMODE_16:
- case 15:
- case 16:
- init_cmode = CMODE_16;
- break;
- case CMODE_32:
- case 24:
- case 32:
- init_cmode = CMODE_32;
- break;
- }
- }
- #endif
- }
- return 0;
- }
- #endif /* MODULE */
- int __init imsttfb_init(void)
- {
- return pci_module_init(&imsttfb_pci_driver);
- }
-
- static void __exit imsttfb_exit(void)
- {
- pci_unregister_driver(&imsttfb_pci_driver);
- }
- #ifdef MODULE
- MODULE_LICENSE("GPL");
- module_init(imsttfb_init);
- #endif
- module_exit(imsttfb_exit);