diff options
Diffstat (limited to 'drivers/tdfx_vid.c')
| -rw-r--r-- | drivers/tdfx_vid.c | 1049 |
1 files changed, 0 insertions, 1049 deletions
diff --git a/drivers/tdfx_vid.c b/drivers/tdfx_vid.c deleted file mode 100644 index 501f5fc603..0000000000 --- a/drivers/tdfx_vid.c +++ /dev/null @@ -1,1049 +0,0 @@ -/* - * Copyright (C) 2003 Alban Bedel - * - * This file is part of MPlayer. - * - * MPlayer is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * MPlayer is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with MPlayer; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include <linux/config.h> -#include <linux/version.h> -#include <linux/module.h> -#include <linux/types.h> -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/mm.h> -#include <linux/string.h> -#include <linux/errno.h> - -#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10) -#include <linux/malloc.h> -#else -#include <linux/slab.h> -#endif - -#include <linux/pci.h> -#include <linux/ioport.h> -#include <linux/init.h> -#include <linux/agp_backend.h> - -#include <asm/uaccess.h> -#include <asm/system.h> -#include <asm/io.h> - -#include "tdfx_vid.h" -#include "3dfx.h" - - -#define TDFX_VID_MAJOR 178 - -MODULE_AUTHOR("Albeu"); -MODULE_DESCRIPTION("A driver for Banshee targeted for video app"); - -#ifdef MODULE_LICENSE -MODULE_LICENSE("GPL"); -#endif - -#ifndef min -#define min(x,y) (((x)<(y))?(x):(y)) -#endif - -static struct pci_dev *pci_dev; - -static uint8_t *tdfx_mmio_base = 0; -static uint32_t tdfx_mem_base = 0; -static uint32_t tdfx_io_base = 0; - -static int tdfx_ram_size = 0; - -static int tdfx_vid_in_use = 0; - -static drm_agp_t *drm_agp = NULL; -static agp_kern_info agp_info; -static agp_memory *agp_mem = NULL; - -static __initdata int tdfx_map_io = 1; -static __initdata unsigned long map_start = 0; //0x7300000; -static __initdata unsigned long map_max = (10*1024*1024); - -MODULE_PARM(tdfx_map_io,"i"); -MODULE_PARM_DESC(tdfx_map_io, "Set to 0 to use the page fault handler (you need to patch agpgart_be.c to allow the mapping in user space)\n"); -MODULE_PARM(map_start,"l"); -MODULE_PARM_DESC(map_start,"Use a block of physical mem instead of the agp arerture."); -MODULE_PARM(map_max,"l"); -MODULE_PARM_DESC(map_max, "Maximum amout of physical memory (in bytes) that can be used\n"); - -static inline u32 tdfx_inl(unsigned int reg) { - return readl(tdfx_mmio_base + reg); -} - -static inline void tdfx_outl(unsigned int reg, u32 val) { - writel(val,tdfx_mmio_base + reg); -} - -static inline void banshee_make_room(int size) { - while((tdfx_inl(STATUS) & 0x1f) < size); -} - -static inline void banshee_wait_idle(void) { - int i = 0; - - banshee_make_room(1); - tdfx_outl(COMMAND_3D, COMMAND_3D_NOP); - - while(1) { - i = (tdfx_inl(STATUS) & STATUS_BUSY) ? 0 : i + 1; - if(i == 3) break; - } -} - -static unsigned long get_lfb_size(void) { - u32 draminit0 = 0; - u32 draminit1 = 0; - // u32 miscinit1 = 0; - u32 lfbsize = 0; - int sgram_p = 0; - - draminit0 = tdfx_inl(DRAMINIT0); - draminit1 = tdfx_inl(DRAMINIT1); - - if ((pci_dev->device == PCI_DEVICE_ID_3DFX_BANSHEE) || - (pci_dev->device == PCI_DEVICE_ID_3DFX_VOODOO3)) { - sgram_p = (draminit1 & DRAMINIT1_MEM_SDRAM) ? 0 : 1; - - lfbsize = sgram_p ? - (((draminit0 & DRAMINIT0_SGRAM_NUM) ? 2 : 1) * - ((draminit0 & DRAMINIT0_SGRAM_TYPE) ? 8 : 4) * 1024 * 1024) : - 16 * 1024 * 1024; - } else { - /* Voodoo4/5 */ - u32 chips, psize, banks; - - chips = ((draminit0 & (1 << 26)) == 0) ? 4 : 8; - psize = 1 << ((draminit0 & 0x38000000) >> 28); - banks = ((draminit0 & (1 << 30)) == 0) ? 2 : 4; - lfbsize = chips * psize * banks; - lfbsize <<= 20; - } - -#if 0 - /* disable block writes for SDRAM (why?) */ - miscinit1 = tdfx_inl(MISCINIT1); - miscinit1 |= sgram_p ? 0 : MISCINIT1_2DBLOCK_DIS; - miscinit1 |= MISCINIT1_CLUT_INV; - - banshee_make_room(1); - tdfx_outl(MISCINIT1, miscinit1); -#endif - - return lfbsize; -} - -static int tdfx_vid_find_card(void) -{ - struct pci_dev *dev = NULL; - // unsigned int card_option; - - if((dev = pci_find_device(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_BANSHEE, NULL))) - printk(KERN_INFO "tdfx_vid: Found VOODOO BANSHEE\n"); - else if((dev = pci_find_device(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO3, NULL))) - printk(KERN_INFO "tdfx_vid: Found VOODOO 3 \n"); - else - return 0; - - - pci_dev = dev; - -#if LINUX_VERSION_CODE >= 0x020300 - tdfx_mmio_base = ioremap_nocache(dev->resource[0].start,1 << 24); - tdfx_mem_base = dev->resource[1].start; - tdfx_io_base = dev->resource[2].start; -#else - tdfx_mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x4000); - tdfx_mem_base = dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK; - tdfx_io_base = dev->base_address[2] & PCI_BASE_ADDRESS_MEM_MASK; -#endif - printk(KERN_INFO "tdfx_vid: MMIO at 0x%p\n", tdfx_mmio_base); - tdfx_ram_size = get_lfb_size(); - - printk(KERN_INFO "tdfx_vid: Found %d MB (%d bytes) of memory\n", - tdfx_ram_size / 1024 / 1024,tdfx_ram_size); - - -#if 0 - { - int temp; - printk("List resources -----------\n"); - for(temp=0;temp<DEVICE_COUNT_RESOURCE;temp++){ - struct resource *res=&pci_dev->resource[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>tdfx_ram_size && size<=64) tdfx_ram_size=size; - } - } - } - } -#endif - - - return 1; -} - -static int agp_init(void) { - - drm_agp = (drm_agp_t*)inter_module_get("drm_agp"); - - if(!drm_agp) { - printk(KERN_ERR "tdfx_vid: Unable to get drm_agp pointer\n"); - return 0; - } - - if(drm_agp->acquire()) { - printk(KERN_ERR "tdfx_vid: Unable to acquire the agp backend\n"); - drm_agp = NULL; - return 0; - } - - drm_agp->copy_info(&agp_info); -#if 0 - printk(KERN_DEBUG "AGP Version : %d %d\n" - "AGP Mode: %#X\nAperture Base: %p\nAperture Size: %d\n" - "Max memory = %d\nCurrent mem = %d\nCan use perture : %s\n" - "Page mask = %#X\n", - agp_info.version.major,agp_info.version.minor, - agp_info.mode,agp_info.aper_base,agp_info.aper_size, - agp_info.max_memory,agp_info.current_memory, - agp_info.cant_use_aperture ? "no" : "yes", - agp_info.page_mask); -#endif - drm_agp->enable(agp_info.mode); - - - printk(KERN_INFO "AGP Enabled\n"); - - return 1; -} - -static void agp_close(void) { - - if(!drm_agp) return; - - if(agp_mem) { - drm_agp->unbind_memory(agp_mem); - drm_agp->free_memory(agp_mem); - agp_mem = NULL; - } - - - drm_agp->release(); - inter_module_put("drm_agp"); -} - -static int agp_move(tdfx_vid_agp_move_t* m) { - u32 src = 0; - u32 src_h,src_l; - - if(!(agp_mem||map_start)) - return -EAGAIN; - - if(m->move2 > 3) { - printk(KERN_DEBUG "tdfx_vid: AGP move invalid destination %d\n", - m->move2); - return -EAGAIN; - } - - if(map_start) - src = map_start + m->src; - else - src = agp_info.aper_base + m->src; - - src_l = (u32)src; - src_h = (m->width | (m->src_stride << 14)) & 0x0FFFFFFF; - - // banshee_wait_idle(); - banshee_make_room(6); - tdfx_outl(AGPHOSTADDRESSHIGH,src_h); - tdfx_outl(AGPHOSTADDRESSLOW,src_l); - - tdfx_outl(AGPGRAPHICSADDRESS, m->dst); - tdfx_outl(AGPGRAPHICSSTRIDE, m->dst_stride); - tdfx_outl(AGPREQSIZE,m->src_stride*m->height); - - tdfx_outl(AGPMOVECMD,m->move2 << 3); - banshee_wait_idle(); - - return 0; -} - -#if 0 -static void setup_fifo(u32 offset,ssize_t pages) { - long addr = agp_info.aper_base + offset; - u32 size = pages | 0x700; // fifo on, in agp mem, disable hole cnt - - banshee_wait_idle(); - - tdfx_outl(CMDBASEADDR0,addr >> 4); - tdfx_outl(CMDRDPTRL0, addr << 4); - tdfx_outl(CMDRDPTRH0, addr >> 28); - tdfx_outl(CMDAMIN0, (addr - 4) & 0xFFFFFF); - tdfx_outl(CMDAMAX0, (addr - 4) & 0xFFFFFF); - tdfx_outl(CMDFIFODEPTH0, 0); - tdfx_outl(CMDHOLECNT0, 0); - tdfx_outl(CMDBASESIZE0,size); - - banshee_wait_idle(); - -} -#endif - -static int bump_fifo(u16 size) { - - banshee_wait_idle(); - tdfx_outl(CMDBUMP0 , size); - banshee_wait_idle(); - - return 0; -} - -static void tdfx_vid_get_config(tdfx_vid_config_t* cfg) { - u32 in; - - cfg->version = TDFX_VID_VERSION; - cfg->ram_size = tdfx_ram_size; - - in = tdfx_inl(VIDSCREENSIZE); - cfg->screen_width = in & 0xFFF; - cfg->screen_height = (in >> 12) & 0xFFF; - in = (tdfx_inl(VIDPROCCFG)>> 18)& 0x7; - switch(in) { - case 0: - cfg->screen_format = TDFX_VID_FORMAT_BGR8; - break; - case 1: - cfg->screen_format = TDFX_VID_FORMAT_BGR16; - break; - case 2: - cfg->screen_format = TDFX_VID_FORMAT_BGR24; - break; - case 3: - cfg->screen_format = TDFX_VID_FORMAT_BGR32; - break; - default: - printk(KERN_INFO "tdfx_vid: unknown screen format %d\n",in); - cfg->screen_format = 0; - break; - } - cfg->screen_stride = tdfx_inl(VIDDESKSTRIDE) & 0x7FFF; - cfg->screen_start = tdfx_inl(VIDDESKSTART); -} - -inline static u32 tdfx_vid_make_format(int src,u16 stride,u32 fmt) { - u32 r = stride & 0xFFF3; - u32 tdfx_fmt = 0; - - // src and dest formats - switch(fmt) { - case TDFX_VID_FORMAT_BGR8: - tdfx_fmt = 1; - break; - case TDFX_VID_FORMAT_BGR16: - tdfx_fmt = 3; - break; - case TDFX_VID_FORMAT_BGR24: - tdfx_fmt = 4; - break; - case TDFX_VID_FORMAT_BGR32: - tdfx_fmt = 5; - break; - } - - if(!src && !tdfx_fmt) { - printk(KERN_INFO "tdfx_vid: Invalid destination format %#X\n",fmt); - return 0; - } - - if(src && !tdfx_fmt) { - // src only format - switch(fmt){ - case TDFX_VID_FORMAT_BGR1: - tdfx_fmt = 0; - break; - case TDFX_VID_FORMAT_BGR15: // To check - tdfx_fmt = 2; - break; - case TDFX_VID_FORMAT_YUY2: - tdfx_fmt = 8; - break; - case TDFX_VID_FORMAT_UYVY: - tdfx_fmt = 9; - break; - default: - printk(KERN_INFO "tdfx_vid: Invalid source format %#X\n",fmt); - return 0; - } - } - - r |= tdfx_fmt << 16; - - return r; -} - -static int tdfx_vid_blit(tdfx_vid_blit_t* blit) { - u32 src_fmt,dst_fmt,cmd = 2; - u32 cmin,cmax,srcbase,srcxy,srcfmt,srcsize; - u32 dstbase,dstxy,dstfmt,dstsize = 0; - u32 cmd_extra = 0,src_ck[2],dst_ck[2],rop123=0; - - //printk(KERN_INFO "tdfx_vid: Make src fmt 0x%x\n",blit->src_format); - src_fmt = tdfx_vid_make_format(1,blit->src_stride,blit->src_format); - if(!src_fmt) - return 0; - //printk(KERN_INFO "tdfx_vid: Make dst fmt 0x%x\n", blit->dst_format); - dst_fmt = tdfx_vid_make_format(0,blit->dst_stride,blit->dst_format); - if(!dst_fmt) - return 0; - blit->colorkey &= 0x3; - // Be nice if user just want a simple blit - if((!blit->colorkey) && (!blit->rop[0])) - blit->rop[0] = TDFX_VID_ROP_COPY; - // No stretch : fix me the cmd should be 1 but it - // doesn't work. Maybe some other regs need to be set - // as non-stretch blit have more options - if(((!blit->dst_w) && (!blit->dst_h)) || - ((blit->dst_w == blit->src_w) && (blit->dst_h == blit->src_h))) - cmd = 2; - - // Save the regs otherwise fb get crazy - // we can perhaps avoid some ... - banshee_wait_idle(); - cmin = tdfx_inl(CLIP0MIN); - cmax = tdfx_inl(CLIP0MAX); - srcbase = tdfx_inl(SRCBASE); - srcxy = tdfx_inl(SRCXY); - srcfmt = tdfx_inl(SRCFORMAT); - srcsize = tdfx_inl(SRCSIZE); - dstbase = tdfx_inl(DSTBASE); - dstxy = tdfx_inl(DSTXY); - dstfmt = tdfx_inl(DSTFORMAT); - if(cmd == 2) - dstsize = tdfx_inl(DSTSIZE); - if(blit->colorkey & TDFX_VID_SRC_COLORKEY) { - src_ck[0] = tdfx_inl(SRCCOLORKEYMIN); - src_ck[1] = tdfx_inl(SRCCOLORKEYMAX); - tdfx_outl(SRCCOLORKEYMIN,blit->src_colorkey[0]); - tdfx_outl(SRCCOLORKEYMAX,blit->src_colorkey[1]); - } - if(blit->colorkey & TDFX_VID_DST_COLORKEY) { - dst_ck[0] = tdfx_inl(DSTCOLORKEYMIN); - dst_ck[1] = tdfx_inl(DSTCOLORKEYMAX); - tdfx_outl(SRCCOLORKEYMIN,blit->dst_colorkey[0]); - tdfx_outl(SRCCOLORKEYMAX,blit->dst_colorkey[1]); - } - if(blit->colorkey) { - cmd_extra = tdfx_inl(COMMANDEXTRA_2D); - rop123 = tdfx_inl(ROP123); - tdfx_outl(COMMANDEXTRA_2D, blit->colorkey); - tdfx_outl(ROP123,(blit->rop[1] | (blit->rop[2] << 8) | blit->rop[3] << 16)); - - } - // Get rid of the clipping at the moment - tdfx_outl(CLIP0MIN,0); - tdfx_outl(CLIP0MAX,0x0fff0fff); - - // Setup the src - tdfx_outl(SRCBASE,blit->src & 0x00FFFFFF); - tdfx_outl(SRCXY,XYREG(blit->src_x,blit->src_y)); - tdfx_outl(SRCFORMAT,src_fmt); - tdfx_outl(SRCSIZE,XYREG(blit->src_w,blit->src_h)); - - // Setup the dst - tdfx_outl(DSTBASE,blit->dst & 0x00FFFFFF); - tdfx_outl(DSTXY,XYREG(blit->dst_x,blit->dst_y)); - tdfx_outl(DSTFORMAT,dst_fmt); - if(cmd == 2) - tdfx_outl(DSTSIZE,XYREG(blit->dst_w,blit->dst_h)); - - // Send the command - tdfx_outl(COMMAND_2D,cmd | 0x100 | (blit->rop[0] << 24)); - banshee_wait_idle(); - - // Now restore the regs to make fb happy - tdfx_outl(CLIP0MIN, cmin); - tdfx_outl(CLIP0MAX, cmax); - tdfx_outl(SRCBASE, srcbase); - tdfx_outl(SRCXY, srcxy); - tdfx_outl(SRCFORMAT, srcfmt); - tdfx_outl(SRCSIZE, srcsize); - tdfx_outl(DSTBASE, dstbase); - tdfx_outl(DSTXY, dstxy); - tdfx_outl(DSTFORMAT, dstfmt); - if(cmd == 2) - tdfx_outl(DSTSIZE, dstsize); - if(blit->colorkey & TDFX_VID_SRC_COLORKEY) { - tdfx_outl(SRCCOLORKEYMIN,src_ck[0]); - tdfx_outl(SRCCOLORKEYMAX,src_ck[1]); - } - if(blit->colorkey & TDFX_VID_DST_COLORKEY) { - tdfx_outl(SRCCOLORKEYMIN,dst_ck[0]); - tdfx_outl(SRCCOLORKEYMAX,dst_ck[1]); - } - if(blit->colorkey) { - tdfx_outl(COMMANDEXTRA_2D,cmd_extra); - tdfx_outl(ROP123,rop123); - } - return 1; -} - -static int tdfx_vid_set_yuv(unsigned long arg) { - tdfx_vid_yuv_t yuv; - - if(copy_from_user(&yuv,(tdfx_vid_yuv_t*)arg,sizeof(tdfx_vid_yuv_t))) { - printk(KERN_DEBUG "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - banshee_make_room(2); - tdfx_outl(YUVBASEADDRESS,yuv.base & 0x01FFFFFF); - tdfx_outl(YUVSTRIDE, yuv.stride & 0x3FFF); - - banshee_wait_idle(); - - return 0; -} - -static int tdfx_vid_get_yuv(unsigned long arg) { - tdfx_vid_yuv_t yuv; - - yuv.base = tdfx_inl(YUVBASEADDRESS) & 0x01FFFFFF; - yuv.stride = tdfx_inl(YUVSTRIDE) & 0x3FFF; - - if(copy_to_user((tdfx_vid_yuv_t*)arg,&yuv,sizeof(tdfx_vid_yuv_t))) { - printk(KERN_INFO "tdfx_vid:failed copy to userspace\n"); - return -EFAULT; - } - - return 0; -} - -static int tdfx_vid_set_overlay(unsigned long arg) { - tdfx_vid_overlay_t ov; - uint32_t screen_w,screen_h; - uint32_t vidcfg,stride,vidbuf; - int disp_w,disp_h; - - if(copy_from_user(&ov,(tdfx_vid_overlay_t*)arg,sizeof(tdfx_vid_overlay_t))) { - printk(KERN_DEBUG "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - - if(ov.dst_y < 0) { - int shift; - if(-ov.dst_y >= ov.src_height) { - printk(KERN_DEBUG "tdfx_vid: Overlay outside of the screen ????\n"); - return -EFAULT; - } - shift = (-ov.dst_y)/(double)ov.dst_height*ov.src_height; - ov.src[0] += shift*ov.src_stride; - ov.src_height -= shift; - ov.dst_height += ov.dst_y; - ov.dst_y = 0; - } - - if(ov.dst_x < 0) { - int shift; - if(-ov.dst_x >= ov.src_width) { - printk(KERN_DEBUG "tdfx_vid: Overlay outside of the screen ????\n"); - return -EFAULT; - } - shift = (-ov.dst_x)/(double)ov.dst_width*ov.src_width; - shift = ((shift+3)/2)*2; - ov.src[0] += shift*2; - ov.src_width -= shift; - ov.dst_width += ov.dst_x; - ov.dst_x = 0; - } - - vidcfg = tdfx_inl(VIDPROCCFG); - // clear the overlay fmt - vidcfg &= ~(7 << 21); - switch(ov.format) { - case TDFX_VID_FORMAT_BGR15: - vidcfg |= (1 << 21); - break; - case TDFX_VID_FORMAT_BGR16: - vidcfg |= (7 << 21); - break; - case TDFX_VID_FORMAT_YUY2: - vidcfg |= (5 << 21); - break; - case TDFX_VID_FORMAT_UYVY: - vidcfg |= (6 << 21); - break; - default: - printk(KERN_DEBUG "tdfx_vid: Invalid overlay fmt 0x%x\n",ov.format); - return -EFAULT; - } - - // YUV422 need 4 bytes aligned stride and address - if((ov.format == TDFX_VID_FORMAT_YUY2 || - ov.format == TDFX_VID_FORMAT_UYVY)) { - if((ov.src_stride & ~0x3) != ov.src_stride) { - printk(KERN_DEBUG "tdfx_vid: YUV need a 4 bytes aligned stride %d\n",ov.src_stride); - return -EFAULT; - } - if((ov.src[0] & ~0x3) != ov.src[0] || (ov.src[1] & ~0x3) != ov.src[1]){ - printk(KERN_DEBUG "tdfx_vid: YUV need a 4 bytes aligned address 0x%x 0x%x\n",ov.src[0],ov.src[1]); - return -EFAULT; - } - } - - // Now we have a good input format - // but first get the screen size to check a bit - // if the size/position is valid - screen_w = tdfx_inl(VIDSCREENSIZE); - screen_h = (screen_w >> 12) & 0xFFF; - screen_w &= 0xFFF; - disp_w = ov.dst_x + ov.dst_width >= screen_w ? - screen_w - ov.dst_x : ov.dst_width; - disp_h = ov.dst_y + ov.dst_height >= screen_h ? - screen_h - ov.dst_y : ov.dst_height; - - if(ov.dst_x >= screen_w || ov.dst_y >= screen_h || - disp_h <= 0 || disp_h > screen_h || disp_w <= 0 || disp_w > screen_w) { - printk(KERN_DEBUG "tdfx_vid: Invalid overlay dimension and/or position\n"); - return -EFAULT; - } - // Setup the vidproc - // H scaling - if(ov.src_width < ov.dst_width) - vidcfg |= (1<<14); - else - vidcfg &= ~(1<<14); - // V scaling - if(ov.src_height < ov.dst_height) - vidcfg |= (1<<15); - else - vidcfg &= ~(1<<15); - // Filtering can only be used in 1x mode - if(!(vidcfg | (1<<26))) - vidcfg |= (3<<16); - else - vidcfg &= ~(3<<16); - // disable overlay stereo mode - vidcfg &= ~(1<<2); - // Colorkey on/off - if(ov.use_colorkey) { - // Colorkey inversion - if(ov.invert_colorkey) - vidcfg |= (1<<6); - else - vidcfg &= ~(1<<6); - vidcfg |= (1<<5); - } else - vidcfg &= ~(1<<5); - // Overlay isn't VidIn - vidcfg &= ~(1<<9); - // vidcfg |= (1<<8); - tdfx_outl(VIDPROCCFG,vidcfg); - - // Start coord - //printk(KERN_DEBUG "tdfx_vid: start %dx%d\n",ov.dst_x & 0xFFF,ov.dst_y & 0xFFF); - tdfx_outl(VIDOVRSTARTCRD,(ov.dst_x & 0xFFF)|((ov.dst_y & 0xFFF)<<12)); - // End coord - tdfx_outl(VIDOVRENDCRD, ((ov.dst_x + disp_w-1) & 0xFFF)| - (((ov.dst_y + disp_h-1) & 0xFFF)<<12)); - // H Scaling - tdfx_outl(VIDOVRDUDX,( ((u32)ov.src_width) << 20) / ov.dst_width); - // Src offset and width (in bytes) - tdfx_outl(VIDOVRDUDXOFF,((ov.src_width<<1) & 0xFFF) << 19); - // V Scaling - tdfx_outl(VIDOVRDVDY, ( ((u32)ov.src_height) << 20) / ov.dst_height); - //else - // tdfx_outl(VIDOVRDVDY,0); - // V Offset - tdfx_outl(VIDOVRDVDYOFF,0); - // Overlay stride - stride = tdfx_inl(VIDDESKSTRIDE) & 0xFFFF; - tdfx_outl(VIDDESKSTRIDE,stride | (((u32)ov.src_stride) << 16)); - // Buffers address - tdfx_outl(LEFTOVBUF, ov.src[0]); - tdfx_outl(RIGHTOVBUF, ov.src[1]); - - // Send a swap buffer cmd if we are not on one of the 2 buffers - vidbuf = tdfx_inl(VIDCUROVRSTART); - if(vidbuf != ov.src[0] && vidbuf != ov.src[1]) { - tdfx_outl(SWAPPENDING,0); - tdfx_outl(SWAPBUFCMD, 1); - } - //printk(KERN_DEBUG "tdfx_vid: Buf0=0x%x Buf1=0x%x Current=0x%x\n", - // ov.src[0],ov.src[1],tdfx_inl(VIDCUROVRSTART)); - // Colorkey - if(ov.use_colorkey) { - tdfx_outl(VIDCHRMIN,ov.colorkey[0]); - tdfx_outl(VIDCHRMAX,ov.colorkey[1]); - } - - return 0; -} - -static int tdfx_vid_overlay_on(void) { - uint32_t vidcfg = tdfx_inl(VIDPROCCFG); - //return 0; - if(vidcfg & (1<<8)) { // Overlay is already on - //printk(KERN_DEBUG "tdfx_vid: Overlay is already on.\n"); - return -EFAULT; - } - vidcfg |= (1<<8); - tdfx_outl(VIDPROCCFG,vidcfg); - return 0; -} - -static int tdfx_vid_overlay_off(void) { - uint32_t vidcfg = tdfx_inl(VIDPROCCFG); - - if(vidcfg & (1<<8)) { - vidcfg &= ~(1<<8); - tdfx_outl(VIDPROCCFG,vidcfg); - return 0; - } - - printk(KERN_DEBUG "tdfx_vid: Overlay is already off.\n"); - return -EFAULT; -} - - -static int tdfx_vid_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) -{ - tdfx_vid_agp_move_t move; - tdfx_vid_config_t cfg; - tdfx_vid_blit_t blit; - u16 int16; - - switch(cmd) { - case TDFX_VID_AGP_MOVE: - if(copy_from_user(&move,(tdfx_vid_agp_move_t*)arg,sizeof(tdfx_vid_agp_move_t))) { - printk(KERN_INFO "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - return agp_move(&move); - case TDFX_VID_BUMP0: - if(copy_from_user(&int16,(u16*)arg,sizeof(u16))) { - printk(KERN_INFO "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - return bump_fifo(int16); - case TDFX_VID_BLIT: - if(copy_from_user(&blit,(tdfx_vid_blit_t*)arg,sizeof(tdfx_vid_blit_t))) { - printk(KERN_INFO "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - if(!tdfx_vid_blit(&blit)) { - printk(KERN_INFO "tdfx_vid: Blit failed\n"); - return -EFAULT; - } - return 0; - case TDFX_VID_GET_CONFIG: - if(copy_from_user(&cfg,(tdfx_vid_config_t*)arg,sizeof(tdfx_vid_config_t))) { - printk(KERN_INFO "tdfx_vid:failed copy from userspace\n"); - return -EFAULT; - } - tdfx_vid_get_config(&cfg); - if(copy_to_user((tdfx_vid_config_t*)arg,&cfg,sizeof(tdfx_vid_config_t))) { - printk(KERN_INFO "tdfx_vid:failed copy to userspace\n"); - return -EFAULT; - } - return 0; - case TDFX_VID_SET_YUV: - return tdfx_vid_set_yuv(arg); - case TDFX_VID_GET_YUV: - return tdfx_vid_get_yuv(arg); - case TDFX_VID_SET_OVERLAY: - return tdfx_vid_set_overlay(arg); - case TDFX_VID_OVERLAY_ON: - return tdfx_vid_overlay_on(); - case TDFX_VID_OVERLAY_OFF: - return tdfx_vid_overlay_off(); - default: - printk(KERN_ERR "tdfx_vid: Invalid ioctl %d\n",cmd); - return -EINVAL; - } - return 0; -} - - - -static ssize_t tdfx_vid_read(struct file *file, char *buf, size_t count, loff_t *ppos) -{ - return 0; -} - -static ssize_t tdfx_vid_write(struct file *file, const char *buf, size_t count, loff_t *ppos) -{ - - return 0; -} - -static void tdfx_vid_mopen(struct vm_area_struct *vma) { - int i; - struct page *page; - unsigned long phys; - - printk(KERN_DEBUG "tdfx_vid: mopen\n"); - - for(i = 0 ; i < agp_mem->page_count ; i++) { - phys = agp_mem->memory[i] & ~(0x00000fff); - page = virt_to_page(phys_to_virt(phys)); - if(!page) { - printk(KERN_DEBUG "tdfx_vid: Can't get the page %d\%d\n",i,agp_mem->page_count); - return; - } - get_page(page); - } - MOD_INC_USE_COUNT; -} - -static void tdfx_vid_mclose(struct vm_area_struct *vma) { - int i; - struct page *page; - unsigned long phys; - - printk(KERN_DEBUG "tdfx_vid: mclose\n"); - - for(i = 0 ; i < agp_mem->page_count ; i++) { - phys = agp_mem->memory[i] & ~(0x00000fff); - page = virt_to_page(phys_to_virt(phys)); - if(!page) { - printk(KERN_DEBUG "tdfx_vid: Can't get the page %d\%d\n",i,agp_mem->page_count); - return; - } - put_page(page); - } - - MOD_DEC_USE_COUNT; -} - -static struct page *tdfx_vid_nopage(struct vm_area_struct *vma, - unsigned long address, - int write_access) { - unsigned long off; - uint32_t n; - struct page *page; - unsigned long phys; - - off = address - vma->vm_start + (vma->vm_pgoff<<PAGE_SHIFT); - n = off / PAGE_SIZE; - - if(n >= agp_mem->page_count) { - printk(KERN_DEBUG "tdfx_vid: Too far away\n"); - return (struct page *)0UL; - } - phys = agp_mem->memory[n] & ~(0x00000fff); - page = virt_to_page(phys_to_virt(phys)); - if(!page) { - printk(KERN_DEBUG "tdfx_vid: Can't get the page\n"); - return (struct page *)0UL; - } - return page; -} - -/* memory handler functions */ -static struct vm_operations_struct tdfx_vid_vm_ops = { - open: tdfx_vid_mopen, /* mmap-open */ - close: tdfx_vid_mclose,/* mmap-close */ - nopage: tdfx_vid_nopage, /* no-page fault handler */ -}; - - -static int tdfx_vid_mmap(struct file *file, struct vm_area_struct *vma) -{ - size_t size; -#ifdef MP_DEBUG - printk(KERN_DEBUG "tdfx_vid: mapping agp memory into userspace\n"); -#endif - - size = (vma->vm_end-vma->vm_start + PAGE_SIZE - 1) / PAGE_SIZE; - - if(map_start) { // Ok we map directly in the physcal ram - if(size*PAGE_SIZE > map_max) { - printk(KERN_ERR "tdfx_vid: Not enouth mem\n"); - return -EAGAIN; - } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,3) - if(remap_page_range(vma, vma->vm_start,map_start, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) -#else - if(remap_page_range(vma->vm_start, (unsigned long)map_start, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) -#endif - { - printk(KERN_ERR "tdfx_vid: error mapping video memory\n"); - return -EAGAIN; - } - printk(KERN_INFO "Physical mem 0x%lx mapped in userspace\n",map_start); - return 0; - } - - if(agp_mem) - return -EAGAIN; - - agp_mem = drm_agp->allocate_memory(size,AGP_NORMAL_MEMORY); - if(!agp_mem) { - printk(KERN_ERR "Failed to allocate AGP memory\n"); - return -ENOMEM; - } - - if(drm_agp->bind_memory(agp_mem,0)) { - printk(KERN_ERR "Failed to bind the AGP memory\n"); - drm_agp->free_memory(agp_mem); - agp_mem = NULL; - return -ENOMEM; - } - - printk(KERN_INFO "%d pages of AGP mem allocated (%ld/%ld bytes) :)))\n", - size,vma->vm_end-vma->vm_start,size*PAGE_SIZE); - - - if(tdfx_map_io) { -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,3) - if(remap_page_range(vma, vma->vm_start,agp_info.aper_base, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) -#else - if(remap_page_range(vma->vm_start, (unsigned long)agp_info.aper_base, - vma->vm_end - vma->vm_start, vma->vm_page_prot)) -#endif - { - printk(KERN_ERR "tdfx_vid: error mapping video memory\n"); - return -EAGAIN; - } - } else { - // Never swap it out - vma->vm_flags |= VM_LOCKED | VM_IO; - vma->vm_ops = &tdfx_vid_vm_ops; - vma->vm_ops->open(vma); - printk(KERN_INFO "Page fault handler ready !!!!!\n"); - } - - return 0; -} - - -static int tdfx_vid_release(struct inode *inode, struct file *file) -{ -#ifdef MP_DEBUG - printk(KERN_DEBUG "tdfx_vid: Video OFF (release)\n"); -#endif - - // Release the agp mem - if(agp_mem) { - drm_agp->unbind_memory(agp_mem); - drm_agp->free_memory(agp_mem); - agp_mem = NULL; - } - - tdfx_vid_in_use = 0; - - MOD_DEC_USE_COUNT; - return 0; -} - -static long long tdfx_vid_lseek(struct file *file, long long offset, int origin) -{ - return -ESPIPE; -} - -static int tdfx_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(tdfx_vid_in_use == 1) - return -EBUSY; - - tdfx_vid_in_use = 1; - MOD_INC_USE_COUNT; - return 0; -} - -#if LINUX_VERSION_CODE >= 0x020400 -static struct file_operations tdfx_vid_fops = -{ - llseek: tdfx_vid_lseek, - read: tdfx_vid_read, - write: tdfx_vid_write, - ioctl: tdfx_vid_ioctl, - mmap: tdfx_vid_mmap, - open: tdfx_vid_open, - release: tdfx_vid_release -}; -#else -static struct file_operations tdfx_vid_fops = -{ - tdfx_vid_lseek, - tdfx_vid_read, - tdfx_vid_write, - NULL, - NULL, - tdfx_vid_ioctl, - tdfx_vid_mmap, - tdfx_vid_open, - NULL, - tdfx_vid_release -}; -#endif - - -int init_module(void) -{ - tdfx_vid_in_use = 0; - - if(register_chrdev(TDFX_VID_MAJOR, "tdfx_vid", &tdfx_vid_fops)) { - printk(KERN_ERR "tdfx_vid: unable to get major: %d\n", TDFX_VID_MAJOR); - return -EIO; - } - - if(!agp_init()) { - printk(KERN_ERR "tdfx_vid: AGP init failed\n"); - unregister_chrdev(TDFX_VID_MAJOR, "tdfx_vid"); - return -EINVAL; - } - - if (!tdfx_vid_find_card()) { - printk(KERN_ERR "tdfx_vid: no supported devices found\n"); - agp_close(); - unregister_chrdev(TDFX_VID_MAJOR, "tdfx_vid"); - return -EINVAL; - } - - - - return 0; - -} - -void cleanup_module(void) -{ - if(tdfx_mmio_base) - iounmap(tdfx_mmio_base); - agp_close(); - printk(KERN_INFO "tdfx_vid: Cleaning up module\n"); - unregister_chrdev(TDFX_VID_MAJOR, "tdfx_vid"); -} |