//#define CRTC2 // YUY2 support (see config.format) added by A'rpi/ESP-team // double buffering added by A'rpi/ESP-team // brightness/contrast introduced by eyck // Set this value, if autodetection fails! (video ram size in megabytes) // #define MGA_MEMORY_SIZE 16 //#define MGA_ALLOW_IRQ #define MGA_VSYNC_POS 2 /* * * mga_vid.c * * Copyright (C) 1999 Aaron Holtzman * * Module skeleton based on gutted agpgart module by Jeff Hartmann * * * Matrox MGA G200/G400 YUV Video Interface module Version 0.1.0 * * BES == Back End Scaler * * This software has been released under the terms of the GNU Public * license. See http://www.gnu.org/copyleft/gpl.html for details. */ //It's entirely possible this major conflicts with something else /* mknod /dev/mga_vid c 178 0 */ #include #include #include #include #include #include #include #include #include #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10) #include #else #include #endif #include #include #include #include "mga_vid.h" #ifdef CONFIG_MTRR #include #endif #ifdef CONFIG_DEVFS_FS #include #endif #include #include #include #define TRUE 1 #define FALSE 0 #define MGA_VID_MAJOR 178 //#define MGA_VIDMEM_SIZE mga_ram_size #ifndef PCI_DEVICE_ID_MATROX_G200_PCI #define PCI_DEVICE_ID_MATROX_G200_PCI 0x0520 #endif #ifndef PCI_DEVICE_ID_MATROX_G200_AGP #define PCI_DEVICE_ID_MATROX_G200_AGP 0x0521 #endif #ifndef PCI_DEVICE_ID_MATROX_G400 #define PCI_DEVICE_ID_MATROX_G400 0x0525 #endif #ifndef PCI_DEVICE_ID_MATROX_G550 #define PCI_DEVICE_ID_MATROX_G550 0x2527 #endif MODULE_AUTHOR("Aaron Holtzman "); #ifdef MODULE_LICENSE MODULE_LICENSE("GPL"); #endif #define PARAM_BRIGHTNESS "brightness=" #define PARAM_CONTRAST "contrast=" #define PARAM_BLACKIE "blackie=" #define PARAM_BUFF_SIZE 4096 static uint8_t *mga_param_buff = NULL; static uint32_t mga_param_buff_size=0; static uint32_t mga_param_buff_len=0; #ifndef min #define min(x,y) (((x)<(y))?(x):(y)) #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) #include static unsigned long simple_strtoul(const char *cp,char **endp,unsigned int base) { unsigned long result = 0,value; if (!base) { base = 10; if (*cp == '0') { base = 8; cp++; if ((*cp == 'x') && isxdigit(cp[1])) { cp++; base = 16; } } } while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp) ? toupper(*cp) : *cp)-'A'+10) < base) { result = result*base + value; cp++; } if (endp) *endp = (char *)cp; return result; } #endif #if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,0) || LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,5) static long simple_strtol(const char *cp,char **endp,unsigned int base) { if(*cp=='-') return -simple_strtoul(cp+1,endp,base); return simple_strtoul(cp,endp,base); } #endif typedef struct bes_registers_s { //BES Control uint32_t besctl; //BES Global control uint32_t besglobctl; //Luma control (brightness and contrast) uint32_t beslumactl; //Line pitch uint32_t bespitch; //Buffer A-1 Chroma 3 plane org uint32_t besa1c3org; //Buffer A-1 Chroma org uint32_t besa1corg; //Buffer A-1 Luma org uint32_t besa1org; //Buffer A-2 Chroma 3 plane org uint32_t besa2c3org; //Buffer A-2 Chroma org uint32_t besa2corg; //Buffer A-2 Luma org uint32_t besa2org; //Buffer B-1 Chroma 3 plane org uint32_t besb1c3org; //Buffer B-1 Chroma org uint32_t besb1corg; //Buffer B-1 Luma org uint32_t besb1org; //Buffer B-2 Chroma 3 plane org uint32_t besb2c3org; //Buffer B-2 Chroma org uint32_t besb2corg; //Buffer B-2 Luma org uint32_t besb2org; //BES Horizontal coord uint32_t beshcoord; //BES Horizontal inverse scaling [5.14] uint32_t beshiscal; //BES Horizontal source start [10.14] (for scaling) uint32_t beshsrcst; //BES Horizontal source ending [10.14] (for scaling) uint32_t beshsrcend; //BES Horizontal source last uint32_t beshsrclst; //BES Vertical coord uint32_t besvcoord; //BES Vertical inverse scaling [5.14] uint32_t besviscal; //BES Field 1 vertical source last position uint32_t besv1srclst; //BES Field 1 weight start uint32_t besv1wght; //BES Field 2 vertical source last position uint32_t besv2srclst; //BES Field 2 weight start uint32_t besv2wght; //configurable stuff int blackie; } bes_registers_t; static bes_registers_t regs; #ifdef CRTC2 typedef struct crtc2_registers_s { uint32_t c2ctl; uint32_t c2datactl; uint32_t c2misc; uint32_t c2hparam; uint32_t c2hsync; uint32_t c2offset; uint32_t c2pl2startadd0; uint32_t c2pl2startadd1; uint32_t c2pl3startadd0; uint32_t c2pl3startadd1; uint32_t c2preload; uint32_t c2spicstartadd0; uint32_t c2spicstartadd1; uint32_t c2startadd0; uint32_t c2startadd1; uint32_t c2subpiclut; uint32_t c2vcount; uint32_t c2vparam; uint32_t c2vsync; } crtc2_registers_t; static crtc2_registers_t cregs; #endif static uint32_t mga_vid_in_use = 0; static uint32_t is_g400 = 0; static uint32_t vid_src_ready = 0; static uint32_t vid_overlay_on = 0; static uint8_t *mga_mmio_base = 0; static uint32_t mga_mem_base = 0; static int mga_src_base = 0; // YUV buffer position in video memory static uint32_t mga_ram_size = 0; // how much megabytes videoram we have static uint32_t mga_top_reserved = 0; // reserved space for console font (matroxfb + fastfont) static int mga_brightness = 0; // initial brightness static int mga_contrast = 0; // initial contrast //static int mga_force_memsize = 0; MODULE_PARM(mga_ram_size, "i"); MODULE_PARM(mga_top_reserved, "i"); MODULE_PARM(mga_brightness, "i"); MODULE_PARM(mga_contrast, "i"); static struct pci_dev *pci_dev; static mga_vid_config_t mga_config; #ifdef CONFIG_DEVFS_FS static devfs_handle_t dev_handle = NULL; #endif static int colkey_saved=0; static int colkey_on=0; static unsigned char colkey_color[4]; static unsigned char colkey_mask[4]; static int mga_irq = -1; //All register offsets are converted to word aligned offsets (32 bit) //because we want all our register accesses to be 32 bits #define VCOUNT 0x1e20 #define PALWTADD 0x3c00 // Index register for X_DATAREG port #define X_DATAREG 0x3c0a #define XMULCTRL 0x19 #define BPP_8 0x00 #define BPP_15 0x01 #define BPP_16 0x02 #define BPP_24 0x03 #define BPP_32_DIR 0x04 #define BPP_32_PAL 0x07 #define XCOLMSK 0x40 #define X_COLKEY 0x42 #define XKEYOPMODE 0x51 #define XCOLMSK0RED 0x52 #define XCOLMSK0GREEN 0x53 #define XCOLMSK0BLUE 0x54 #define XCOLKEY0RED 0x55 #define XCOLKEY0GREEN 0x56 #define XCOLKEY0BLUE 0x57 #ifdef CRTC2 /*CRTC2 registers*/ #define XMISCCTRL 0x1e #define C2CTL 0x3c10 #define C2DATACTL 0x3c4c #define C2MISC 0x3c44 #define C2HPARAM 0x3c14 #define C2HSYNC 0x3c18 #define C2OFFSET 0x3c40 #define C2PL2STARTADD0 0x3c30 // like BESA1CORG #define C2PL2STARTADD1 0x3c34 // like BESA2CORG #define C2PL3STARTADD0 0x3c38 // like BESA1C3ORG #define C2PL3STARTADD1 0x3c3c // like BESA2C3ORG #define C2PRELOAD 0x3c24 #define C2SPICSTARTADD0 0x3c54 #define C2SPICSTARTADD1 0x3c58 #define C2STARTADD0 0x3c28 // like BESA1ORG #define C2STARTADD1 0x3c2c // like BESA2ORG #define C2SUBPICLUT 0x3c50 #define C2VCOUNT 0x3c48 #define C2VPARAM 0x3c1c #define C2VSYNC 0x3c20 #endif // Backend Scaler registers #define BESCTL 0x3d20 #define BESGLOBCTL 0x3dc0 #define BESLUMACTL 0x3d40 #define BESPITCH 0x3d24 #define BESA1C3ORG 0x3d60 #define BESA1CORG 0x3d10 #define BESA1ORG 0x3d00 #define BESA2C3ORG 0x3d64 #define BESA2CORG 0x3d14 #define BESA2ORG 0x3d04 #define BESB1C3ORG 0x3d68 #define BESB1CORG 0x3d18 #define BESB1ORG 0x3d08 #define BESB2C3ORG 0x3d6C #define BESB2CORG 0x3d1C #define BESB2ORG 0x3d0C #define BESHCOORD 0x3d28 #define BESHISCAL 0x3d30 #define BESHSRCEND 0x3d3C #define BESHSRCLST 0x3d50 #define BESHSRCST 0x3d38 #define BESV1WGHT 0x3d48 #define BESV2WGHT 0x3d4c #define BESV1SRCLST 0x3d54 #define BESV2SRCLST 0x3d58 #define BESVISCAL 0x3d34 #define BESVCOORD 0x3d2c #define BESSTATUS 0x3dc4 #define CRTCX 0x1fd4 #define CRTCD 0x1fd5 #define IEN 0x1e1c #define ICLEAR 0x1e18 #define STATUS 0x1e14 static int mga_next_frame=0; #ifdef CRTC2 static void crtc2_frame_sel(int frame) { switch(frame) { case 0: cregs.c2pl2startadd0=regs.besa1corg; cregs.c2pl3startadd0=regs.besa1c3org; cregs.c2startadd0=regs.besa1org; break; case 1: cregs.c2pl2startadd0=regs.besa2corg; cregs.c2pl3startadd0=regs.besa2c3org; cregs.c2startadd0=regs.besa2org; break; case 2: cregs.c2pl2startadd0=regs.besb1corg; cregs.c2pl3startadd0=regs.besb1c3org; cregs.c2startadd0=regs.besb1org; break; case 3: cregs.c2pl2startadd0=regs.besb2corg; cregs.c2pl3startadd0=regs.besb2c3org; cregs.c2startadd0=regs.besb2org; break; } writel(cregs.c2startadd0, mga_mmio_base + C2STARTADD0); writel(cregs.c2pl2startadd0, mga_mmio_base + C2PL2STARTADD0); writel(cregs.c2pl3startadd0, mga_mmio_base + C2PL3STARTADD0); } #endif static void mga_vid_frame_sel(int frame) { if ( mga_irq != -1 ) { mga_next_frame=frame; } else { //we don't need the vcount protection as we're only hitting //one register (and it doesn't seem to be double buffered) regs.besctl = (regs.besctl & ~0x07000000) + (frame << 25); writel( regs.besctl, mga_mmio_base + BESCTL ); // writel( regs.besglobctl + ((readl(mga_mmio_base + VCOUNT)+2)<<16), writel( regs.besglobctl + (MGA_VSYNC_POS<<16), mga_mmio_base + BESGLOBCTL); #ifdef CRTC2 crtc2_frame_sel(frame); #endif } } static void mga_vid_write_regs(int restore) { //Make sure internal registers don't get updated until we're done writel( (readl(mga_mmio_base + VCOUNT)-1)<<16, mga_mmio_base + BESGLOBCTL); // color or coordinate keying if(restore && colkey_saved){ // restore it colkey_saved=0; #ifdef MP_DEBUG printk("mga_vid: Restoring colorkey (ON: %d %02X:%02X:%02X)\n", colkey_on,colkey_color[0],colkey_color[1],colkey_color[2]); #endif // Set color key registers: writeb( XKEYOPMODE, mga_mmio_base + PALWTADD); writeb( colkey_on, mga_mmio_base + X_DATAREG); writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD); writeb( colkey_color[0], mga_mmio_base + X_DATAREG); writeb( XCOLKEY0GREEN, mga_mmio_base + PALWTADD); writeb( colkey_color[1], mga_mmio_base + X_DATAREG); writeb( XCOLKEY0BLUE, mga_mmio_base + PALWTADD); writeb( colkey_color[2], mga_mmio_base + X_DATAREG); writeb( X_COLKEY, mga_mmio_base + PALWTADD); writeb( colkey_color[3], mga_mmio_base + X_DATAREG); writeb( XCOLMSK0RED, mga_mmio_base + PALWTADD); writeb( colkey_mask[0], mga_mmio_base + X_DATAREG); writeb( XCOLMSK0GREEN, mga_mmio_base + PALWTADD); writeb( colkey_mask[1], mga_mmio_base + X_DATAREG); writeb( XCOLMSK0BLUE, mga_mmio_base + PALWTADD); writeb( colkey_mask[2], mga_mmio_base + X_DATAREG); writeb( XCOLMSK, mga_mmio_base + PALWTADD); writeb( colkey_mask[3], mga_mmio_base + X_DATAREG); } else if(!colkey_saved){ // save it colkey_saved=1; // Get color key registers: writeb( XKEYOPMODE, mga_mmio_base + PALWTADD); colkey_on=(unsigned char)readb(mga_mmio_base + X_DATAREG) & 1; writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD); colkey_color[0]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLKEY0GREEN, mga_mmio_base + PALWTADD); colkey_color[1]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLKEY0BLUE, mga_mmio_base + PALWTADD); colkey_color[2]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( X_COLKEY, mga_mmio_base + PALWTADD); colkey_color[3]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLMSK0RED, mga_mmio_base + PALWTADD); colkey_mask[0]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLMSK0GREEN, mga_mmio_base + PALWTADD); colkey_mask[1]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLMSK0BLUE, mga_mmio_base + PALWTADD); colkey_mask[2]=(unsigned char)readb(mga_mmio_base + X_DATAREG); writeb( XCOLMSK, mga_mmio_base + PALWTADD); colkey_mask[3]=(unsigned char)readb(mga_mmio_base + X_DATAREG); #ifdef MP_DEBUG printk("mga_vid: Saved colorkey (ON: %d %02X:%02X:%02X)\n", colkey_on,colkey_color[0],colkey_color[1],colkey_color[2]); #endif } if(!restore){ writeb( XKEYOPMODE, mga_mmio_base + PALWTADD); writeb( mga_config.colkey_on, mga_mmio_base + X_DATAREG); if ( mga_config.colkey_on ) { uint32_t r=0, g=0, b=0; writeb( XMULCTRL, mga_mmio_base + PALWTADD); switch (readb (mga_mmio_base + X_DATAREG)) { case BPP_8: /* Need to look up the color index, just using color 0 for now. */ break; case BPP_15: r = mga_config.colkey_red >> 3; g = mga_config.colkey_green >> 3; b = mga_config.colkey_blue >> 3; break; case BPP_16: r = mga_config.colkey_red >> 3; g = mga_config.colkey_green >> 2; b = mga_config.colkey_blue >> 3; break; case BPP_24: case BPP_32_DIR: case BPP_32_PAL: r = mga_config.colkey_red; g = mga_config.colkey_green; b = mga_config.colkey_blue; break; } // Disable color keying on alpha channel writeb( XCOLMSK, mga_mmio_base + PALWTADD); writeb( 0x00, mga_mmio_base + X_DATAREG); writeb( X_COLKEY, mga_mmio_base + PALWTADD); writeb( 0x00, mga_mmio_base + X_DATAREG); // Set up color key registers writeb( XCOLKEY0RED, mga_mmio_base + PALWTADD); writeb( r, mga_mmio_base + X_DATAREG); writeb( XCOLKEY0GREEN, mga_mmio_base + PALWTADD); writeb( g, mga_mmio_base + X_DATAREG); writeb( XCOLKEY0BLUE, mga_mmio_base + PALWTADD); writeb( b, mga_mmio_base + X_DATAREG); // Set up color key mask registers writeb( XCOLMSK0RED, mga_mmio_base + PALWTADD); writeb( 0xff, mga_mmio_base + X_DATAREG); writeb( XCOLMSK0GREEN, mga_mmio_base + PALWTADD); writeb( 0xff, mga_mmio_base + X_DATAREG); writeb( XCOLMSK0BLUE, mga_mmio_base + PALWTADD); writeb( 0xff, mga_mmio_base + X_DATAREG); } } // Backend Scaler writel( regs.besctl, mga_mmio_base + BESCTL); if(is_g400) writel( regs.beslumactl, mga_mmio_base + BESLUMACTL); writel( regs.bespitch, mga_mmio_base + BESPITCH); writel( regs.besa1org, mga_mmio_base + BESA1ORG); writel( regs.besa1corg, mga_mmio_base + BESA1CORG); writel( regs.besa2org, mga_mmio_base + BESA2ORG); writel( regs.besa2corg, mga_mmio_base + BESA2CORG); writel( regs.besb1org, mga_mmio_base + BESB1ORG); writel( regs.besb1corg, mga_mmio_base + BESB1CORG); writel( regs.besb2org, mga_mmio_base + BESB2ORG); writel( regs.besb2corg, mga_mmio_base + BESB2CORG); if(is_g400) { writel( regs.besa1c3org, mga_mmio_base + BESA1C3ORG); writel( regs.besa2c3org, mga_mmio_base + BESA2C3ORG); writel( regs.besb1c3org, mga_mmio_base + BESB1C3ORG); writel( regs.besb2c3org, mga_mmio_base + BESB2C3ORG); } writel( regs.beshcoord, mga_mmio_base + BESHCOORD); writel( regs.beshiscal, mga_mmio_base + BESHISCAL); writel( regs.beshsrcst, mga_mmio_base + BESHSRCST); writel( regs.beshsrcend, mga_mmio_base + BESHSRCEND); writel( regs.beshsrclst, mga_mmio_base + BESHSRCLST); writel( regs.besvcoord, mga_mmio_base + BESVCOORD); writel( regs.besviscal, mga_mmio_base + BESVISCAL); writel( regs.besv1srclst, mga_mmio_base + BESV1SRCLST); writel( regs.besv1wght, mga_mmio_base + BESV1WGHT); writel( regs.besv2srclst, mga_mmio_base + BESV2SRCLST); writel( regs.besv2wght, mga_mmio_base + BESV2WGHT); //update the registers somewhere between 1 and 2 frames from now. writel( regs.besglobctl + ((readl(mga_mmio_base + VCOUNT)+2)<<16), mga_mmio_base + BESGLOBCTL); #if 0 printk(KERN_DEBUG "mga_vid: wrote BES registers\n"); printk(KERN_DEBUG "mga_vid: BESCTL = 0x%08x\n", readl(mga_mmio_base + BESCTL)); printk(KERN_DEBUG "mga_vid: BESGLOBCTL = 0x%08x\n", readl(mga_mmio_base + BESGLOBCTL)); printk(KERN_DEBUG "mga_vid: BESSTATUS= 0x%08x\n", readl(mga_mmio_base + BESSTATUS)); #endif #ifdef CRTC2 // printk("c2ctl:0x%08x c2datactl:0x%08x\n",readl(mga_mmio_base + C2CTL),readl(mga_mmio_base + C2DATACTL)); // printk("c2misc:0x%08x\n",readl(mga_mmio_base + C2MISC)); // printk("c2ctl:0x%08x c2datactl:0x%08x\n",cregs.c2ctl,cregs.c2datactl); // writel(cregs.c2ctl, mga_mmio_base + C2CTL); writel(((readl(mga_mmio_base + C2CTL) & ~0x03e00000) + (cregs.c2ctl & 0x03e00000)), mga_mmio_base + C2CTL); writel(((readl(mga_mmio_base + C2DATACTL) & ~0x000000ff) + (cregs.c2datactl & 0x000000ff)), mga_mmio_base + C2DATACTL); // ctrc2 // disable CRTC2 acording to specs // writel(cregs.c2ctl & 0xfffffff0, mga_mmio_base + C2CTL); // je to treba ??? // writeb((readb(mga_mmio_base + XMISCCTRL) & 0x19) | 0xa2, mga_mmio_base + XMISCCTRL); // MAFC - mfcsel & vdoutsel // writeb((readb(mga_mmio_base + XMISCCTRL) & 0x19) | 0x92, mga_mmio_base + XMISCCTRL); // writeb((readb(mga_mmio_base + XMISCCTRL) & ~0xe9) + 0xa2, mga_mmio_base + XMISCCTRL); // writel(cregs.c2datactl, mga_mmio_base + C2DATACTL); // writel(cregs.c2hparam, mga_mmio_base + C2HPARAM); // writel(cregs.c2hsync, mga_mmio_base + C2HSYNC); // writel(cregs.c2vparam, mga_mmio_base + C2VPARAM); // writel(cregs.c2vsync, mga_mmio_base + C2VSYNC); writel(cregs.c2misc, mga_mmio_base + C2MISC); #ifdef MP_DEBUG printk("c2offset = %d\n",cregs.c2offset); #endif writel(cregs.c2offset, mga_mmio_base + C2OFFSET); writel(cregs.c2startadd0, mga_mmio_base + C2STARTADD0); // writel(cregs.c2startadd1, mga_mmio_base + C2STARTADD1); writel(cregs.c2pl2startadd0, mga_mmio_base + C2PL2STARTADD0); // writel(cregs.c2pl2startadd1, mga_mmio_base + C2PL2STARTADD1); writel(cregs.c2pl3startadd0, mga_mmio_base + C2PL3STARTADD0); // writel(cregs.c2pl3startadd1, mga_mmio_base + C2PL3STARTADD1); writel(cregs.c2spicstartadd0, mga_mmio_base + C2SPICSTARTADD0); // writel(cregs.c2spicstartadd1, mga_mmio_base + C2SPICSTARTADD1); // writel(cregs.c2subpiclut, mga_mmio_base + C2SUBPICLUT); // writel(cregs.c2preload, mga_mmio_base + C2PRELOAD); // finaly enable everything // writel(cregs.c2ctl, mga_mmio_base + C2CTL); // printk("c2ctl:0x%08x c2datactl:0x%08x\n",readl(mga_mmio_base + C2CTL),readl(mga_mmio_base + C2DATACTL)); // printk("c2misc:0x%08x\n", readl(mga_mmio_base + C2MISC)); #endif } static int mga_vid_set_config(mga_vid_config_t *config) { int x, y, sw, sh, dw, dh; int besleft, bestop, ifactor, ofsleft, ofstop, baseadrofs, weight, weights; int frame_size=config->frame_size; #ifdef CRTC2 #define right_margin 0 #define left_margin 18 #define hsync_len 46 #define lower_margin 10 #define vsync_len 4 #define upper_margin 39 unsigned int hdispend = (config->src_width + 31) & ~31; unsigned int hsyncstart = hdispend + (right_margin & ~7); unsigned int hsyncend = hsyncstart + (hsync_len & ~7); unsigned int htotal = hsyncend + (left_margin & ~7); unsigned int vdispend = config->src_height; unsigned int vsyncstart = vdispend + lower_margin; unsigned int vsyncend = vsyncstart + vsync_len; unsigned int vtotal = vsyncend + upper_margin; #endif x = config->x_org; y = config->y_org; sw = config->src_width; sh = config->src_height; dw = config->dest_width; dh = config->dest_height; #ifdef MP_DEBUG printk(KERN_DEBUG "mga_vid: Setting up a %dx%d+%d+%d video window (src %dx%d) format %X\n", dw, dh, x, y, sw, sh, config->format); #endif if(sw<4 || sh<4 || dw<4 || dh<4){ printk(KERN_ERR "mga_vid: Invalid src/dest dimenstions\n"); return -1; } //FIXME check that window is valid and inside desktop //FIXME figure out a better way to allocate memory on card //allocate 2 megs //mga_src_base = mga_mem_base + (MGA_VIDMEM_SIZE-2) * 0x100000; //mga_src_base = (MGA_VIDMEM_SIZE-3) * 0x100000; //Setup the BES registers for a three plane 4:2:0 video source regs.besglobctl = 0; switch(config->format){ case MGA_VID_FORMAT_YV12: case MGA_VID_FORMAT_I420: case MGA_VID_FORMAT_IYUV: regs.besctl = 1 // BES enabled + (0<<6) // even start polarity + (1<<10) // x filtering enabled + (1<<11) // y filtering enabled + (1<<16) // chroma upsampling + (1<<17) // 4:2:0 mode + (1<<18); // dither enabled #if 0 if(is_g400) { //zoom disabled, zoom filter disabled, 420 3 plane format, proc amp //disabled, rgb mode disabled regs.besglobctl = (1<<5); } else { //zoom disabled, zoom filter disabled, Cb samples in 0246, Cr //in 1357, BES register update on besvcnt regs.besglobctl = 0; } #endif break; case MGA_VID_FORMAT_YUY2: regs.besctl = 1 // BES enabled + (0<<6) // even start polarity + (1<<10) // x filtering enabled + (1<<11) // y filtering enabled + (1<<16) // chroma upsampling + (0<<17) // 4:2:2 mode + (1<<18); // dither enabled regs.besglobctl = 0; // YUY2 format selected break; case MGA_VID_FORMAT_UYVY: regs.besctl = 1 // BES enabled + (0<<6) // even start polarity + (1<<10) // x filtering enabled + (1<<11) // y filtering enabled + (1<<16) // chroma upsampling + (0<<17) // 4:2:2 mode + (1<<18); // dither enabled regs.besglobctl = 1<<6; // UYVY format selected break; default: printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format); return -1; } // setting black&white mode regs.besctl|=(regs.blackie<<20); //Enable contrast and brightness control regs.besglobctl |= (1<<5) + (1<<7); // brightness (-128..127) && contrast (0..255) regs.beslumactl = (mga_brightness << 16) | ((mga_contrast+0x80)&0xFFFF); //Setup destination window boundaries besleft = x > 0 ? x : 0; bestop = y > 0 ? y : 0; regs.beshcoord = (besleft<<16) + (x + dw-1); regs.besvcoord = (bestop<<16) + (y + dh-1); //Setup source dimensions regs.beshsrclst = (sw - 1) << 16; regs.bespitch = (sw + 31) & ~31 ; //Setup horizontal scaling ifactor = ((sw-1)<<14)/(dw-1); ofsleft = besleft - x; regs.beshiscal = ifactor<<2; regs.beshsrcst = (ofsleft*ifactor)<<2; regs.beshsrcend = regs.beshsrcst + (((dw - ofsleft - 1) * ifactor) << 2); //Setup vertical scaling ifactor = ((sh-1)<<14)/(dh-1); ofstop = bestop - y; regs.besviscal = ifactor<<2; baseadrofs = ((ofstop*regs.besviscal)>>16)*regs.bespitch; //frame_size = ((sw + 31) & ~31) * sh + (((sw + 31) & ~31) * sh) / 2; regs.besa1org = (uint32_t) mga_src_base + baseadrofs; regs.besa2org = (uint32_t) mga_src_base + baseadrofs + 1*frame_size; regs.besb1org = (uint32_t) mga_src_base + baseadrofs + 2*frame_size; regs.besb2org = (uint32_t) mga_src_base + baseadrofs + 3*frame_size; if(config->format==MGA_VID_FORMAT_YV12 ||config->format==MGA_VID_FORMAT_IYUV ||config->format==MGA_VID_FORMAT_I420 ){ // planar YUV frames: if (is_g400) baseadrofs = (((ofstop*regs.besviscal)/4)>>16)*regs.bespitch; else baseadrofs = (((ofstop*regs.besviscal)/2)>>16)*regs.bespitch; if(config->format==MGA_VID_FORMAT_YV12 || !is_g400){ regs.besa1corg = (uint32_t) mga_src_base + baseadrofs + regs.bespitch * sh ; regs.besa2corg = (uint32_t) mga_src_base + baseadrofs + 1*frame_size + regs.bespitch * sh; regs.besb1corg = (uint32_t) mga_src_base + baseadrofs + 2*frame_size + regs.bespitch * sh; regs.besb2corg = (uint32_t) mga_src_base + baseadrofs + 3*frame_size + regs.bespitch * sh; regs.besa1c3org = regs.besa1corg + ((regs.bespitch * sh) / 4); regs.besa2c3org = regs.besa2corg + ((regs.bespitch * sh) / 4); regs.besb1c3org = regs.besb1corg + ((regs.bespitch * sh) / 4); regs.besb2c3org = regs.besb2corg + ((regs.bespitch * sh) / 4); } else { regs.besa1c3org = (uint32_t) mga_src_base + baseadrofs + regs.bespitch * sh ; regs.besa2c3org = (uint32_t) mga_src_base + baseadrofs + 1*frame_size + regs.bespitch * sh; regs.besb1c3org = (uint32_t) mga_src_base + baseadrofs + 2*frame_size + regs.bespitch * sh; regs.besb2c3org = (uint32_t) mga_src_base + baseadrofs + 3*frame_size + regs.bespitch * sh; regs.besa1corg = regs.besa1c3org + ((regs.bespitch * sh) / 4); regs.besa2corg = regs.besa2c3org + ((regs.bespitch * sh) / 4); regs.besb1corg = regs.besb1c3org + ((regs.bespitch * sh) / 4); regs.besb2corg = regs.besb2c3org + ((regs.bespitch * sh) / 4); } } weight = ofstop * (regs.besviscal >> 2); weights = weight < 0 ? 1 : 0; regs.besv2wght = regs.besv1wght = (weights << 16) + ((weight & 0x3FFF) << 2); regs.besv2srclst = regs.besv1srclst = sh - 1 - (((ofstop * regs.besviscal) >> 16) & 0x03FF); #ifdef CRTC2 // pridat hlavni registry - tj. casovani ... switch(config->format){ case MGA_VID_FORMAT_YV12: case MGA_VID_FORMAT_I420: case MGA_VID_FORMAT_IYUV: cregs.c2ctl = 1 // CRTC2 enabled + (1<<1) // external clock + (0<<2) // external clock + (1<<3) // pixel clock enable - not needed ??? + (0<<4) // high prioryty req + (1<<5) // high prioryty req + (0<<6) // high prioryty req + (1<<8) // high prioryty req max + (0<<9) // high prioryty req max + (0<<10) // high prioryty req max + (0<<20) // CRTC1 to DAC + (1<<21) // 420 mode + (1<<22) // 420 mode + (1<<23) // 420 mode + (0<<24) // single chroma line for 420 mode - need to be corrected + (0<<25) /*/ interlace mode - need to be corrected*/ + (0<<26) // field legth polariry + (0<<27) // field identification polariry + (1<<28) // VIDRST detection mode + (0<<29) // VIDRST detection mode + (1<<30) // Horizontal counter preload + (1<<31) // Vertical counter preload ; cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode + (1<<1) // Y filter enable + (1<<2) // CbCr filter enable + (0<<3) // subpicture enable (disabled) + (0<<4) // NTSC enable (disabled - PAL) + (0<<5) // C2 static subpicture enable (disabled) + (0<<6) // C2 subpicture offset division (disabled) + (0<<7) // 422 subformat selection ! /* + (0<<8) // 15 bpp high alpha + (0<<9) // 15 bpp high alpha + (0<<10) // 15 bpp high alpha + (0<<11) // 15 bpp high alpha + (0<<12) // 15 bpp high alpha + (0<<13) // 15 bpp high alpha + (0<<14) // 15 bpp high alpha + (0<<15) // 15 bpp high alpha + (0<<16) // 15 bpp low alpha + (0<<17) // 15 bpp low alpha + (0<<18) // 15 bpp low alpha + (0<<19) // 15 bpp low alpha + (0<<20) // 15 bpp low alpha + (0<<21) // 15 bpp low alpha + (0<<22) // 15 bpp low alpha + (0<<23) // 15 bpp low alpha + (0<<24) // static subpicture key + (0<<25) // static subpicture key + (0<<26) // static subpicture key + (0<<27) // static subpicture key + (0<<28) // static subpicture key */ ; break; case MGA_VID_FORMAT_YUY2: cregs.c2ctl = 1 // CRTC2 enabled + (1<<1) // external clock + (0<<2) // external clock + (1<<3) // pixel clock enable - not needed ??? + (0<<4) // high prioryty req - acc to spec + (1<<5) // high prioryty req + (0<<6) // high prioryty req // 7 reserved + (1<<8) // high prioryty req max + (0<<9) // high prioryty req max + (0<<10) // high prioryty req max // 11-19 reserved + (0<<20) // CRTC1 to DAC + (1<<21) // 422 mode + (0<<22) // 422 mode + (1<<23) // 422 mode + (0<<24) // single chroma line for 420 mode - need to be corrected + (0<<25) /*/ interlace mode - need to be corrected*/ + (0<<26) // field legth polariry + (0<<27) // field identification polariry + (1<<28) // VIDRST detection mode + (0<<29) // VIDRST detection mode + (1<<30) // Horizontal counter preload + (1<<31) // Vertical counter preload ; cregs.c2datactl = 1 // disable dither - propably not needed, we are already in YUV mode + (1<<1) // Y filter enable + (1<<2) // CbCr filter enable + (0<<3) // subpicture enable (disabled) + (0<<4) // NTSC enable (disabled - PAL) + (0<<5) // C2 static subpicture enable (disabled) + (0<<6) // C2 subpicture offset division (disabled) + (0<<7) // 422 subformat selection ! /* + (0<<8) // 15 bpp high alpha + (0<<9) // 15 bpp high alpha + (0<<10) // 15 bpp high alpha + (0<<11) // 15 bpp high alpha + (0<<12) // 15 bpp high alpha + (0<<13) // 15 bpp high alpha + (0<<14) // 15 bpp high alpha + (0<<15) // 15 bpp high alpha + (0<<16) // 15 bpp low alpha + (0<<17) // 15 bpp low alpha + (0<<18) // 15 bpp low alpha + (0<<19) // 15 bpp low alpha + (0<<20) // 15 bpp low alpha + (0<<21) // 15 bpp low alpha + (0<<22) // 15 bpp low alpha + (0<<23) // 15 bpp low alpha + (0<<24) // static subpicture key + (0<<25) // static subpicture key + (0<<26) // static subpicture key + (0<<27) // static subpicture key + (0<<28) // static subpicture key */ ; break; case MGA_VID_FORMAT_UYVY: cregs.c2ctl = 1 // CRTC2 enabled + (1<<1) // external clock + (0<<2) // external clock + (1<<3) // pixel clock enable - not needed ??? + (0<<4) // high prioryty req + (1<<5) // high prioryty req + (0<<6) // high prioryty req + (1<<8) // high prioryty req max + (0<<9) // high prioryty req max + (0<<10) // high prioryty req max + (0<<20) // CRTC1 to DAC + (1<<21) // 422 mode + (0<<22) // 422 mode + (1<<23) // 422 mode + (1<<24) // single chroma line for 420 mode - need to be corrected + (1<<25) /*/ interlace mode - need to be corrected*/ + (0<<26) // field legth polariry + (0<<27) // field identification polariry + (1<<28) // VIDRST detection mode + (0<<29) // VIDRST detection mode + (1<<30) // Horizontal counter preload + (1<<31) // Vertical counter preload ; cregs.c2datactl = 0 // enable dither - propably not needed, we are already in YUV mode + (1<<1) // Y filter enable + (1<<2) // CbCr filter enable + (0<<3) // subpicture enable (disabled) + (0<<4) // NTSC enable (disabled - PAL) + (0<<5) // C2 static subpicture enable (disabled) + (0<<6) // C2 subpicture offset division (disabled) + (1<<7) // 422 subformat selection ! /* + (0<<8) // 15 bpp high alpha + (0<<9) // 15 bpp high alpha + (0<<10) // 15 bpp high alpha + (0<<11) // 15 bpp high alpha + (0<<12) // 15 bpp high alpha + (0<<13) // 15 bpp high alpha + (0<<14) // 15 bpp high alpha + (0<<15) // 15 bpp high alpha + (0<<16) // 15 bpp low alpha + (0<<17) // 15 bpp low alpha + (0<<18) // 15 bpp low alpha + (0<<19) // 15 bpp low alpha + (0<<20) // 15 bpp low alpha + (0<<21) // 15 bpp low alpha + (0<<22) // 15 bpp low alpha + (0<<23) // 15 bpp low alpha + (0<<24) // static subpicture key + (0<<25) // static subpicture key + (0<<26) // static subpicture key + (0<<27) // static subpicture key + (0<<28) // static subpicture key */ ; break; default: printk(KERN_ERR "mga_vid: Unsupported pixel format: 0x%X\n",config->format); return -1; } cregs.c2hparam=((hdispend - 8) << 16) | (htotal - 8); cregs.c2hsync=((hsyncend - 8) << 16) | (hsyncstart - 8); cregs.c2misc=0 // CRTCV2 656 togg f0 +(0<<1) // CRTCV2 656 togg f0 +(0<<2) // CRTCV2 656 togg f0 +(0<<4) // CRTCV2 656 togg f1 +(0<<5) // CRTCV2 656 togg f1 +(0<<6) // CRTCV2 656 togg f1 +(0<<8) // Hsync active high +(0<<9) // Vsync active high // 16-27 c2vlinecomp - nevim co tam dat ; cregs.c2offset=(regs.bespitch << 1); cregs.c2pl2startadd0=regs.besa1corg; // cregs.c2pl2startadd1=regs.besa2corg; cregs.c2pl3startadd0=regs.besa1c3org; // cregs.c2pl3startadd1=regs.besa2c3org; cregs.c2preload=(vsyncstart << 16) | (hsyncstart); // from cregs.c2spicstartadd0=0; // not used // cregs.c2spicstartadd1=0; // not used cregs.c2startadd0=regs.besa1org; // cregs.c2startadd1=regs.besa2org; cregs.c2subpiclut=0; //not used cregs.c2vparam=((vdispend - 1) << 16) | (vtotal - 1); cregs.c2vsync=((vsyncend - 1) << 16) | (vsyncstart - 1); #endif mga_vid_write_regs(0); return 0; } #ifdef MGA_ALLOW_IRQ static void enable_irq(){ long int cc; cc = readl(mga_mmio_base + IEN); // printk(KERN_ALERT "*** !!! IRQREG = %d\n", (int)(cc&0xff)); writeb( 0x11, mga_mmio_base + CRTCX); writeb(0x20, mga_mmio_base + CRTCD ); /* clear 0, enable off */ writeb(0x00, mga_mmio_base + CRTCD ); /* enable on */ writeb(0x10, mga_mmio_base + CRTCD ); /* clear = 1 */ writel( regs.besglobctl , mga_mmio_base + BESGLOBCTL); } static void disable_irq(){ writeb( 0x11, mga_mmio_base + CRTCX); writeb(0x20, mga_mmio_base + CRTCD ); /* clear 0, enable off */ } static void mga_handle_irq(int irq, void *dev_id, struct pt_regs *pregs) { // static int frame=0; // static int counter=0; long int cc; // if ( ! mga_enabled_flag ) return; // printk(KERN_DEBUG "vcount = %d\n",readl(mga_mmio_base + VCOUNT)); //printk("mga_interrupt #%d\n", irq); if ( irq != -1 ) { cc = readl(mga_mmio_base + STATUS); if ( ! (cc & 0x10) ) return; /* vsyncpen */ // debug_irqcnt++; } // if ( debug_irqignore ) { // debug_irqignore = 0; /* if ( mga_conf_deinterlace ) { if ( mga_first_field ) { // printk("mga_interrupt first field\n"); if ( syncfb_interrupt() ) mga_first_field = 0; } else { // printk("mga_interrupt second field\n"); mga_select_buffer( mga_current_field | 2 ); mga_first_field = 1; } } else { syncfb_interrupt(); } */ // frame=(frame+1)&1; regs.besctl = (regs.besctl & ~0x07000000) + (mga_next_frame << 25); writel( regs.besctl, mga_mmio_base + BESCTL ); #ifdef CRTC2 // sem pridat vyber obrazku !!!! crtc2_frame_sel(mga_next_frame); #endif #if 0 ++counter; if(!(counter&63)){ printk("mga irq counter = %d\n",counter); } #endif // } else { // debug_irqignore = 1; // } if ( irq != -1 ) { writeb( 0x11, mga_mmio_base + CRTCX); writeb( 0, mga_mmio_base + CRTCD ); writeb( 0x10, mga_mmio_base + CRTCD ); } // writel( regs.besglobctl, mga_mmio_base + BESGLOBCTL); return; } #endif static int mga_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int frame; uint32_t tmp; switch(cmd) { case MGA_VID_CONFIG: //FIXME remove // printk(KERN_DEBUG "vcount = %d\n",readl(mga_mmio_base + VCOUNT)); #ifdef MP_DEBUG printk(KERN_DEBUG "mga_mmio_base = %p\n",mga_mmio_base); printk(KERN_DEBUG "mga_mem_base = %08x\n",mga_mem_base); //FIXME remove printk(KERN_DEBUG "mga_vid: Received configuration\n"); #endif if(copy_from_user(&mga_config,(mga_vid_config_t*) arg,sizeof(mga_vid_config_t))) { printk(KERN_ERR "mga_vid: failed copy from userspace\n"); return(-EFAULT); } if(mga_config.version != MGA_VID_VERSION){ printk(KERN_ERR "mga_vid: incompatible version! driver: %X requested: %X\n",MGA_VID_VERSION,mga_config.version); return(-EFAULT); } if(mga_config.frame_size==0 || mga_config.frame_size>1024*768*2){ printk(KERN_ERR "mga_vid: illegal frame_size: %d\n",mga_config.frame_size); return(-EFAULT); } if(mga_config.num_frames<1 || mga_config.num_frames>4){ printk(KERN_ERR "mga_vid: illegal num_frames: %d\n",mga_config.num_frames); return(-EFAULT); } mga_src_base = (mga_ram_size*0x100000-mga_config.num_frames*mga_config.frame_size-mga_top_reserved); if(mga_src_base<0){ printk(KERN_ERR "mga_vid: not enough memory for frames!\n"); return(-EFAULT); } mga_src_base &= (~0xFFFF); // 64k boundary #ifdef MP_DEBUG printk(KERN_DEBUG "mga YUV buffer base: 0x%X\n", mga_src_base); #endif if (is_g400) mga_config.card_type = MGA_G400; else mga_config.card_type = MGA_G200; mga_config.ram_size = mga_ram_size; if (copy_to_user((mga_vid_config_t *) arg, &mga_config, sizeof(mga_vid_config_t))) { printk(KERN_ERR "mga_vid: failed copy to userspace\n"); return(-EFAULT); } return mga_vid_set_config(&mga_config); break; case MGA_VID_ON: #ifdef MP_DEBUG printk(KERN_DEBUG "mga_vid: Video ON\n"); #endif vid_src_ready = 1; if(vid_overlay_on) { regs.besctl |= 1; mga_vid_write_regs(0); } #ifdef MGA_ALLOW_IRQ if ( mga_irq != -1 ) enable_irq(); #endif mga_next_frame=0; break; case MGA_VID_OFF: #ifdef MP_DEBUG printk(KERN_DEBUG "mga_vid: Video OFF (ioctl)\n"); #endif vid_src_ready = 0; #ifdef MGA_ALLOW_IRQ if ( mga_irq != -1 ) disable_irq(); #endif regs.besctl &= ~1; regs.besglobctl &= ~(1<<6); // UYVY format selected mga_vid_write_regs(0); break; case MGA_VID_FSEL: if(copy_from_user(&frame,(int *) arg,sizeof(int))) { printk(KERN_ERR "mga_vid: FSEL failed copy from userspace\n"); return(-EFAULT); } mga_vid_frame_sel(frame); break; case MGA_VID_GET_LUMA: //tmp = regs.beslumactl; //tmp = (tmp&0xFFFF0000) | (((tmp&0xFFFF) - 0x80)&0xFFFF); tmp = (mga_brightness << 16) | (mga_contrast&0xFFFF); if (copy_to_user((uint32_t *) arg, &tmp, sizeof(uint32_t))) { printk(KERN_ERR "mga_vid: failed copy %p to userspace %p\n", &tmp, (uint32_t *) arg); return(-EFAULT); } break; case MGA_VID_SET_LUMA: tmp = arg; mga_brightness=tmp>>16; mga_contrast=tmp&0xFFFF; //regs.beslumactl = (tmp&0xFFFF0000) | ((tmp + 0x80)&0xFFFF); regs.beslumactl = (mga_brightness << 16) | ((mga_contrast+0x80)&0xFFFF); mga_vid_write_regs(0); break; default: printk(KERN_ERR "mga_vid: Invalid ioctl\n"); return (-EINVAL); } return 0; } static int mga_vid_find_card(void) { struct pci_dev *dev = NULL; unsigned int card_option; if((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G550, NULL))) { is_g400 = 1; printk(KERN_INFO "mga_vid: Found MGA G550\n"); } else if((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G400, NULL))) { is_g400 = 1; printk(KERN_INFO "mga_vid: Found MGA G400/G450\n"); } else if((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_AGP, NULL))) { is_g400 = 0; printk(KERN_INFO "mga_vid: Found MGA G200 AGP\n"); } else if((dev = pci_find_device(PCI_VENDOR_ID_MATROX, PCI_DEVICE_ID_MATROX_G200_PCI, NULL))) { is_g400 = 0; printk(KERN_INFO "mga_vid: Found MGA G200 PCI\n"); } else { printk(KERN_ERR "mga_vid: No supported cards found\n"); return FALSE; } pci_dev = dev; mga_irq = pci_dev->irq; #if LINUX_VERSION_CODE >= 0x020300 mga_mmio_base = ioremap_nocache(dev->resource[1].start,0x4000); mga_mem_base = dev->resource[0].start; #else mga_mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x4000); mga_mem_base = dev->base_address[0] & PCI_BASE_ADDRESS_MEM_MASK; #endif printk(KERN_INFO "mga_vid: MMIO at 0x%p IRQ: %d framebuffer: 0x%08X\n", mga_mmio_base, mga_irq, mga_mem_base); pci_read_config_dword(dev, 0x40, &card_option); printk(KERN_INFO "mga_vid: OPTION word: 0x%08X mem: 0x%02X %s\n", card_option, (card_option>>10)&0x17, ((card_option>>14)&1)?"SGRAM":"SDRAM"); // temp = (card_option >> 10) & 0x17; if (mga_ram_size) { printk(KERN_INFO "mga_vid: RAMSIZE forced to %d MB\n", mga_ram_size); } else { #ifdef MGA_MEMORY_SIZE mga_ram_size = MGA_MEMORY_SIZE; printk(KERN_INFO "mga_vid: hard-coded RAMSIZE is %d MB\n", (unsigned int) mga_ram_size); #else if (is_g400){ switch((card_option>>10)&0x17){ // SDRAM: case 0x00: case 0x04: mga_ram_size = 16; break; case 0x03: case 0x05: mga_ram_size = 32; break; // SGRAM: case 0x10: case 0x14: mga_ram_size = 32; break; case 0x11: case 0x12: mga_ram_size = 16; break; default: mga_ram_size = 16; printk(KERN_INFO "mga_vid: Couldn't detect RAMSIZE, assuming 16MB!"); } }else{ switch((card_option>>10)&0x17){ // case 0x10: // case 0x13: mga_ram_size = 8; break; default: mga_ram_size = 8; } } #if 0 // printk("List resources -----------\n"); for(temp=0;tempresource[temp]; if(res->flags){ int size=(1+res->end-res->start)>>20; printk(KERN_DEBUG "res %d: start: 0x%X end: 0x%X (%d MB) flags=0x%X\n",temp,res->start,res->end,size,res->flags); if(res->flags&(IORESOURCE_MEM|IORESOURCE_PREFETCH)){ if(size>mga_ram_size && size<=64) mga_ram_size=size; } } } #endif printk(KERN_INFO "mga_vid: detected RAMSIZE is %d MB\n", (unsigned int) mga_ram_size); #endif } #ifdef MGA_ALLOW_IRQ if ( mga_irq != -1 ) { int tmp = request_irq(mga_irq, mga_handle_irq, SA_INTERRUPT | SA_SHIRQ, "Syncfb Time Base", &mga_irq); if ( tmp ) { printk(KERN_INFO "syncfb (mga): cannot register irq %d (Err: %d)\n", mga_irq, tmp); mga_irq=-1; } else { printk(KERN_DEBUG "syncfb (mga): registered irq %d\n", mga_irq); } } else { printk(KERN_INFO "syncfb (mga): No valid irq was found\n"); mga_irq=-1; } #else printk(KERN_INFO "syncfb (mga): IRQ disabled in mga_vid.c\n"); mga_irq=-1; #endif return TRUE; } static void mga_param_buff_fill( void ) { unsigned len; len = 0; len += sprintf(&mga_param_buff[len],"Interface version: %04X\n",MGA_VID_VERSION); len += sprintf(&mga_param_buff[len],"Memory: %x:%dM\n",mga_mem_base,(unsigned int) mga_ram_size); len += sprintf(&mga_param_buff[len],"MMIO: %p\n",mga_mmio_base); len += sprintf(&mga_param_buff[len],"Configurable stuff:\n"); len += sprintf(&mga_param_buff[len],"~~~~~~~~~~~~~~~~~~~\n"); len += sprintf(&mga_param_buff[len],PARAM_BRIGHTNESS"%d\n",mga_brightness); len += sprintf(&mga_param_buff[len],PARAM_CONTRAST"%d\n",mga_contrast); len += sprintf(&mga_param_buff[len],PARAM_BLACKIE"%s\n",regs.blackie?"on":"off"); mga_param_buff_len = len; // check boundaries of mga_param_buff before writing to it!!! } static ssize_t mga_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos) { uint32_t size; if(!mga_param_buff) return -ESPIPE; if(!(*ppos)) mga_param_buff_fill(); if(*ppos >= mga_param_buff_len) return 0; size = min(count,mga_param_buff_len-(uint32_t)(*ppos)); memcpy(buf,mga_param_buff,size); *ppos += size; return size; } static ssize_t mga_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos) { if(memcmp(buf,PARAM_BRIGHTNESS,min(count,strlen(PARAM_BRIGHTNESS))) == 0) { short brightness; brightness=simple_strtol(&buf[strlen(PARAM_BRIGHTNESS)],NULL,10); if (brightness>127 || brightness<-128) { brightness=0;} // printk(KERN_DEBUG "mga_vid: brightness modified ( %d ) \n",brightness); mga_brightness=brightness; } else if(memcmp(buf,PARAM_CONTRAST,min(count,strlen(PARAM_CONTRAST))) == 0) { short contrast; contrast=simple_strtol(&buf[strlen(PARAM_CONTRAST)],NULL,10); if (contrast>127 || contrast<-128) { contrast=0;} // printk(KERN_DEBUG "mga_vid: contrast modified ( %d ) \n",contrast); mga_contrast=contrast; } else if(memcmp(buf,PARAM_BLACKIE,min(count,strlen(PARAM_BLACKIE))) == 0) { short blackie; blackie=simple_strtol(&buf[strlen(PARAM_BLACKIE)],NULL,10); // printk(KERN_DEBUG "mga_vid: shadow mode: ( %d ) \n",blackie); regs.blackie=(blackie>0)?1:0; } else count = -EIO; // TODO: reset settings return count; } static int mga_vid_mmap(struct file *file, struct vm_area_struct *vma) { #ifdef MP_DEBUG printk(KERN_DEBUG "mga_vid: mapping video memory into userspace\n"); #endif #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,3) if(remap_page_range(vma, vma->vm_start, mga_mem_base + mga_src_base, vma->vm_end - vma->vm_start, vma->vm_page_prot)) #else if(remap_page_range(vma->vm_start, mga_mem_base + mga_src_base, vma->vm_end - vma->vm_start, vma->vm_page_prot)) #endif { printk(KERN_ERR "mga_vid: error mapping video memory\n"); return(-EAGAIN); } return(0); } static int mga_vid_release(struct inode *inode, struct file *file) { //Close the window just in case #ifdef MP_DEBUG printk(KERN_DEBUG "mga_vid: Video OFF (release)\n"); #endif vid_src_ready = 0; regs.besctl &= ~1; regs.besglobctl &= ~(1<<6); // UYVY format selected // mga_config.colkey_on=0; //!!! mga_vid_write_regs(1); mga_vid_in_use = 0; MOD_DEC_USE_COUNT; return 0; } static long long mga_vid_lseek(struct file *file, long long offset, int origin) { return -ESPIPE; } static int mga_vid_open(struct inode *inode, struct file *file) { #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2) int minor = MINOR(inode->i_rdev.value); #else int minor = MINOR(inode->i_rdev); #endif if(minor != 0) return(-ENXIO); if(mga_vid_in_use == 1) return(-EBUSY); mga_vid_in_use = 1; MOD_INC_USE_COUNT; return(0); } #if LINUX_VERSION_CODE >= 0x020400 static struct file_operations mga_vid_fops = { llseek: mga_vid_lseek, read: mga_vid_read, write: mga_vid_write, ioctl: mga_vid_ioctl, mmap: mga_vid_mmap, open: mga_vid_open, release: mga_vid_release }; #else static struct file_operations mga_vid_fops = { mga_vid_lseek, mga_vid_read, mga_vid_write, NULL, NULL, mga_vid_ioctl, mga_vid_mmap, mga_vid_open, NULL, mga_vid_release }; #endif /* * Main Initialization Function */ static int mga_vid_initialize(void) { mga_vid_in_use = 0; // printk(KERN_INFO "Matrox MGA G200/G400 YUV Video interface v0.01 (c) Aaron Holtzman \n"); printk(KERN_INFO "Matrox MGA G200/G400/G450/G550 YUV Video interface v2.01 (c) Aaron Holtzman & A'rpi\n"); if (mga_ram_size) { if (mga_ram_size<4 || mga_ram_size>64) { printk(KERN_ERR "mga_vid: invalid RAMSIZE: %d MB\n", mga_ram_size); return -EINVAL; } } #ifdef CONFIG_DEVFS_FS /* from 2.4.17/2.4.18 linux/devfs_fs_kernel.h: extern devfs_handle_t devfs_register (devfs_handle_t dir, const char *name, unsigned int flags, unsigned int major, unsigned int minor, umode_t mode, void *ops, void *info); */ if ((dev_handle = devfs_register( NULL, "mga_vid", DEVFS_FL_NONE, MGA_VID_MAJOR, 0, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP | S_IFCHR, &mga_vid_fops, NULL)) == NULL) { printk(KERN_ERR "mga_vid: unable to get major: %d (devfs) => fallback to non-devfs mode\n", MGA_VID_MAJOR); // return -EIO; } #endif if(register_chrdev(MGA_VID_MAJOR, "mga_vid", &mga_vid_fops)) { printk(KERN_ERR "mga_vid: unable to get major: %d\n", MGA_VID_MAJOR); return -EIO; } if (!mga_vid_find_card()) { printk(KERN_ERR "mga_vid: no supported devices found\n"); #ifdef CONFIG_DEVFS_FS if(dev_handle) devfs_unregister(dev_handle); #endif unregister_chrdev(MGA_VID_MAJOR, "mga_vid"); return -EINVAL; } mga_param_buff = kmalloc(PARAM_BUFF_SIZE,GFP_KERNEL); if(mga_param_buff) mga_param_buff_size = PARAM_BUFF_SIZE; return(0); } int init_module(void) { return mga_vid_initialize(); } void cleanup_module(void) { #ifdef MGA_ALLOW_IRQ if ( mga_irq != -1) free_irq(mga_irq, &mga_irq); #endif if(mga_mmio_base) iounmap(mga_mmio_base); if(mga_param_buff) kfree(mga_param_buff); //FIXME turn off BES printk(KERN_INFO "mga_vid: Cleaning up module\n"); #ifdef CONFIG_DEVFS_FS if(dev_handle) devfs_unregister(dev_handle); #endif unregister_chrdev(MGA_VID_MAJOR, "mga_vid"); }