mirror of
https://github.com/mpv-player/mpv
synced 2024-12-26 00:42:57 +00:00
tdfx_vid a new kernel driver for tdfx wich let use agp move :)
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9546 b3059339-0415-0410-9bf9-f77b7e298cf2
This commit is contained in:
albeu
parent
69d80fa641
commit
4db6d23cc2
@ -1,7 +1,7 @@
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KERNEL_INCLUDES = /usr/src/linux/include
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INCLUDES = -I$(KERNEL_INCLUDES)
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CFLAGS = -O2 -D__KERNEL__ -DMODULE -include $(KERNEL_INCLUDES)/linux/modversions.h
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CFLAGS = -O2 -D__KERNEL__ -DMODULE -include $(KERNEL_INCLUDES)/linux/modversions.h -Wall
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VERSION = $(shell grep UTS_RELEASE $(KERNEL_INCLUDES)/linux/version.h | cut -d '"' -f2)
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MDIR = /lib/modules/$(VERSION)/misc
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@ -17,6 +17,12 @@ sis_vid.o: sis_vid.c sis_vid.h
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mga_vid_test: mga_vid_test.c
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$(CC) -O $(INCLUDES) -o $@ $@.c
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tdfx_vid.o: tdfx_vid.c 3dfx.h
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$(CC) $(CFLAGS) $(INCLUDES) -c $(basename $@).c
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tdfx_vid_tst: tdfx_vid_tst.c
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$(CC) -O $(INCLUDES) -o $@ $@.c
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install: mga_vid.o
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if test ! -d $(MDIR) ; then mkdir -p $(MDIR) ; fi
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install -m 644 mga_vid.o $(MDIR)/mga_vid.o
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698
drivers/tdfx_vid.c
Normal file
698
drivers/tdfx_vid.c
Normal file
@ -0,0 +1,698 @@
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#include <linux/config.h>
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#include <linux/version.h>
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#include <linux/module.h>
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/sched.h>
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#include <linux/mm.h>
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#include <linux/string.h>
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#include <linux/errno.h>
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#if LINUX_VERSION_CODE < KERNEL_VERSION(2,4,10)
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#include <linux/malloc.h>
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#else
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#include <linux/slab.h>
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#endif
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#include <linux/pci.h>
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#include <linux/ioport.h>
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#include <linux/init.h>
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#include <linux/agp_backend.h>
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#include <asm/uaccess.h>
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#include <asm/system.h>
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#include <asm/io.h>
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#include "tdfx_vid.h"
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#include "3dfx.h"
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#define TDFX_VID_MAJOR 178
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MODULE_AUTHOR("Albeu");
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#ifdef MODULE_LICENSE
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MODULE_LICENSE("GPL");
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#endif
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#ifndef min
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#define min(x,y) (((x)<(y))?(x):(y))
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#endif
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static struct pci_dev *pci_dev;
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static uint8_t *tdfx_mmio_base = 0;
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static uint32_t tdfx_mem_base = 0;
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static struct voodoo_2d_reg_t* tdfx_2d_regs = NULL;
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static int tdfx_ram_size = 0;
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static int tdfx_vid_in_use = 0;
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static drm_agp_t *drm_agp = NULL;
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static agp_kern_info agp_info;
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static agp_memory *agp_mem = NULL;
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static inline u32 tdfx_inl(unsigned int reg) {
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return readl(tdfx_mmio_base + reg);
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}
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static inline void tdfx_outl(unsigned int reg, u32 val) {
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writel(val,tdfx_mmio_base + reg);
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}
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static inline void banshee_make_room(int size) {
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while((tdfx_inl(STATUS) & 0x1f) < size);
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}
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static inline void banshee_wait_idle(void) {
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int i = 0;
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banshee_make_room(1);
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tdfx_outl(COMMAND_3D, COMMAND_3D_NOP);
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while(1) {
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i = (tdfx_inl(STATUS) & STATUS_BUSY) ? 0 : i + 1;
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if(i == 3) break;
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}
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}
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static unsigned long get_lfb_size(void) {
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u32 draminit0 = 0;
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u32 draminit1 = 0;
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// u32 miscinit1 = 0;
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u32 lfbsize = 0;
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int sgram_p = 0;
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draminit0 = tdfx_inl(DRAMINIT0);
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draminit1 = tdfx_inl(DRAMINIT1);
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if ((pci_dev->device == PCI_DEVICE_ID_3DFX_BANSHEE) ||
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(pci_dev->device == PCI_DEVICE_ID_3DFX_VOODOO3)) {
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sgram_p = (draminit1 & DRAMINIT1_MEM_SDRAM) ? 0 : 1;
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lfbsize = sgram_p ?
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(((draminit0 & DRAMINIT0_SGRAM_NUM) ? 2 : 1) *
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((draminit0 & DRAMINIT0_SGRAM_TYPE) ? 8 : 4) * 1024 * 1024) :
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16 * 1024 * 1024;
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} else {
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/* Voodoo4/5 */
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u32 chips, psize, banks;
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chips = ((draminit0 & (1 << 26)) == 0) ? 4 : 8;
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psize = 1 << ((draminit0 & 0x38000000) >> 28);
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banks = ((draminit0 & (1 << 30)) == 0) ? 2 : 4;
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lfbsize = chips * psize * banks;
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lfbsize <<= 20;
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}
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#if 0
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/* disable block writes for SDRAM (why?) */
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miscinit1 = tdfx_inl(MISCINIT1);
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miscinit1 |= sgram_p ? 0 : MISCINIT1_2DBLOCK_DIS;
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miscinit1 |= MISCINIT1_CLUT_INV;
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banshee_make_room(1);
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tdfx_outl(MISCINIT1, miscinit1);
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#endif
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return lfbsize;
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}
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static int tdfx_vid_find_card(void)
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{
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struct pci_dev *dev = NULL;
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// unsigned int card_option;
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if((dev = pci_find_device(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_BANSHEE, NULL)))
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printk(KERN_INFO "tdfx_vid: Found VOODOO BANSHEE\n");
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else if((dev = pci_find_device(PCI_VENDOR_ID_3DFX, PCI_DEVICE_ID_3DFX_VOODOO3, NULL)))
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printk(KERN_INFO "tdfx_vid: Found VOODOO 3 \n");
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else
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return 0;
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pci_dev = dev;
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#if LINUX_VERSION_CODE >= 0x020300
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tdfx_mmio_base = ioremap_nocache(dev->resource[0].start,1 << 24);
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tdfx_mem_base = dev->resource[1].start;
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#else
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tdfx_mmio_base = ioremap_nocache(dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK,0x4000);
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tdfx_mem_base = dev->base_address[1] & PCI_BASE_ADDRESS_MEM_MASK;
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#endif
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printk(KERN_INFO "tdfx_vid: MMIO at 0x%p\n", tdfx_mmio_base);
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tdfx_2d_regs = (struct voodoo_2d_reg_t*)tdfx_mmio_base;
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tdfx_ram_size = get_lfb_size();
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printk(KERN_INFO "tdfx_vid: Found %d MB (%d bytes) of memory\n",
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tdfx_ram_size / 1024 / 1024,tdfx_ram_size);
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#if 0
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{
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int temp;
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printk("List resources -----------\n");
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for(temp=0;temp<DEVICE_COUNT_RESOURCE;temp++){
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struct resource *res=&pci_dev->resource[temp];
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if(res->flags){
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int size=(1+res->end-res->start)>>20;
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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);
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if(res->flags&(IORESOURCE_MEM|IORESOURCE_PREFETCH)){
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if(size>tdfx_ram_size && size<=64) tdfx_ram_size=size;
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}
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}
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}
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}
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#endif
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return 1;
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}
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static int agp_init(void) {
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drm_agp = (drm_agp_t*)inter_module_get("drm_agp");
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if(!drm_agp) {
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printk(KERN_ERR "tdfx_vid: Unable to get drm_agp pointer\n");
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return 0;
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}
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if(drm_agp->acquire()) {
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printk(KERN_ERR "tdfx_vid: Unable to acquire the agp backend\n");
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drm_agp = NULL;
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return 0;
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}
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drm_agp->copy_info(&agp_info);
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#if 0
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printk(KERN_DEBUG "AGP Version : %d %d\n"
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"AGP Mode: %#X\nAperture Base: %p\nAperture Size: %d\n"
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"Max memory = %d\nCurrent mem = %d\nCan use perture : %s\n"
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"Page mask = %#X\n",
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agp_info.version.major,agp_info.version.minor,
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agp_info.mode,agp_info.aper_base,agp_info.aper_size,
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agp_info.max_memory,agp_info.current_memory,
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agp_info.cant_use_aperture ? "no" : "yes",
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agp_info.page_mask);
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#endif
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drm_agp->enable(agp_info.mode);
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printk(KERN_INFO "AGP Enabled\n");
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return 1;
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}
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static void agp_close(void) {
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if(!drm_agp) return;
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if(agp_mem) {
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drm_agp->unbind_memory(agp_mem);
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drm_agp->free_memory(agp_mem);
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agp_mem = NULL;
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}
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drm_agp->release();
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}
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static int agp_move(tdfx_vid_agp_move_t* m) {
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// u32 mov = 0;
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u32 src = 0;
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u32 src_h,src_l;
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if(!agp_mem)
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return (-EAGAIN);
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if(m->move2 > 3) {
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printk(KERN_DEBUG "tdfx_vid: AGP move invalid destination %d\n",
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m->move2);
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return (-EAGAIN);
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}
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src = agp_info.aper_base + m->src;
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src_l = (u32)src;
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src_h = (m->width | (m->src_stride << 14)) & 0x0FFFFFFF;
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// banshee_wait_idle();
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banshee_make_room(6);
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tdfx_outl(AGPHOSTADDRESSHIGH,src_h);
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tdfx_outl(AGPHOSTADDRESSLOW,src_l);
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tdfx_outl(AGPGRAPHICSADDRESS, m->dst);
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tdfx_outl(AGPGRAPHICSSTRIDE, m->dst_stride);
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tdfx_outl(AGPREQSIZE,m->src_stride*m->height);
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tdfx_outl(AGPMOVECMD,m->move2 << 3);
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banshee_wait_idle();
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banshee_make_room(5);
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tdfx_outl(AGPHOSTADDRESSHIGH,0);
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tdfx_outl(AGPHOSTADDRESSLOW,0);
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tdfx_outl(AGPGRAPHICSADDRESS,0);
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tdfx_outl(AGPGRAPHICSSTRIDE,0);
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tdfx_outl(AGPREQSIZE,0);
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banshee_wait_idle();
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return 0;
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}
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static void setup_fifo(u32 offset,ssize_t pages) {
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long addr = agp_info.aper_base + offset;
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u32 size = pages | 0x700; // fifo on, in agp mem, disable hole cnt
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banshee_wait_idle();
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tdfx_outl(CMDBASEADDR0,addr >> 4);
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tdfx_outl(CMDRDPTRL0, addr << 4);
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tdfx_outl(CMDRDPTRH0, addr >> 28);
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tdfx_outl(CMDAMIN0, (addr - 4) & 0xFFFFFF);
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tdfx_outl(CMDAMAX0, (addr - 4) & 0xFFFFFF);
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tdfx_outl(CMDFIFODEPTH0, 0);
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tdfx_outl(CMDHOLECNT0, 0);
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tdfx_outl(CMDBASESIZE0,size);
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banshee_wait_idle();
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}
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static int bump_fifo(u16 size) {
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banshee_wait_idle();
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tdfx_outl(CMDBUMP0 , size);
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banshee_wait_idle();
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return 0;
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}
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static void tdfx_vid_get_config(tdfx_vid_config_t* cfg) {
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u32 in;
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cfg->version = TDFX_VID_VERSION;
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cfg->ram_size = tdfx_ram_size;
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in = tdfx_inl(VIDSCREENSIZE);
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cfg->screen_width = in & 0xFFF;
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cfg->screen_height = (in >> 12) & 0xFFF;
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in = (tdfx_inl(VIDPROCCFG)>> 18)& 0x7;
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switch(in) {
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case 0:
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cfg->screen_format = TDFX_VID_FORMAT_BGR8;
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break;
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case 1:
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cfg->screen_format = TDFX_VID_FORMAT_BGR16;
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break;
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case 2:
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cfg->screen_format = TDFX_VID_FORMAT_BGR24;
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break;
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case 3:
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cfg->screen_format = TDFX_VID_FORMAT_BGR32;
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break;
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default:
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printk(KERN_INFO "tdfx_vid: unknow screen format %d\n",in);
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cfg->screen_format = 0;
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break;
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}
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cfg->screen_stride = tdfx_inl(VIDDESKSTRIDE);
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cfg->screen_start = tdfx_inl(VIDDESKSTART);
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}
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inline static u32 tdfx_vid_make_format(int src,u16 stride,u32 fmt) {
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u32 r = stride & 0xFFF3;
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u32 tdfx_fmt = 0;
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// src and dest formats
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switch(fmt) {
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case TDFX_VID_FORMAT_BGR8:
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tdfx_fmt = 1;
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break;
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case TDFX_VID_FORMAT_BGR16:
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tdfx_fmt = 3;
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break;
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case TDFX_VID_FORMAT_BGR24:
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tdfx_fmt = 4;
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break;
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case TDFX_VID_FORMAT_BGR32:
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tdfx_fmt = 5;
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break;
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}
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if(!src && !tdfx_fmt) {
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printk(KERN_INFO "tdfx_vid: Invalid destination format %#X\n",fmt);
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return 0;
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}
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if(src && !tdfx_fmt) {
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// src only format
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switch(fmt){
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case TDFX_VID_FORMAT_BGR1:
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tdfx_fmt = 0;
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break;
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case TDFX_VID_FORMAT_YUY2:
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tdfx_fmt = 8;
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break;
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case TDFX_VID_FORMAT_UYVY:
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tdfx_fmt = 9;
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break;
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default:
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printk(KERN_INFO "tdfx_vid: Invalid source format %#X\n",fmt);
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return 0;
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}
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}
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r |= tdfx_fmt << 16;
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return r;
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}
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static int tdfx_vid_blit(tdfx_vid_blit_t* blit) {
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u32 src_fmt,dst_fmt;
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u32 cmin,cmax,srcbase,srcxy,srcfmt,srcsize;
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u32 dstbase,dstxy,dstfmt,dstsize;
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//printk(KERN_INFO "tdfx_vid: Make src fmt 0x%x\n",blit->src_format);
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src_fmt = tdfx_vid_make_format(1,blit->src_stride,blit->src_format);
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if(!src_fmt)
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return 0;
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//printk(KERN_INFO "tdfx_vid: Make dst fmt 0x%x\n", blit->dst_format);
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dst_fmt = tdfx_vid_make_format(0,blit->dst_stride,blit->dst_format);
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if(!dst_fmt)
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return 0;
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// Save the regs otherwise fb get crazy
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// we can perhaps avoid some ...
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cmin = tdfx_inl(CLIP0MIN);
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cmax = tdfx_inl(CLIP0MAX);
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srcbase = tdfx_inl(SRCBASE);
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srcxy = tdfx_inl(SRCXY);
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srcfmt = tdfx_inl(SRCFORMAT);
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srcsize = tdfx_inl(SRCSIZE);
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dstbase = tdfx_inl(DSTBASE);
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dstxy = tdfx_inl(DSTXY);
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dstfmt = tdfx_inl(DSTFORMAT);
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dstsize = tdfx_inl(DSTSIZE);
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// Get rid of the clipping at the moment
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banshee_make_room(11);
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tdfx_outl(CLIP0MIN,0);
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tdfx_outl(CLIP0MAX,0x0fff0fff);
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// Setup the src
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tdfx_outl(SRCBASE,blit->src & 0x00FFFFFF);
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tdfx_outl(SRCXY,XYREG(blit->src_x,blit->src_y));
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tdfx_outl(SRCFORMAT,src_fmt);
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tdfx_outl(SRCSIZE,XYREG(blit->src_w,blit->src_h));
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// Setup the dst
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tdfx_outl(DSTBASE,blit->dst & 0x00FFFFFF);
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tdfx_outl(DSTXY,XYREG(blit->dst_x,blit->dst_y));
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tdfx_outl(DSTFORMAT,dst_fmt);
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tdfx_outl(DSTSIZE,XYREG(blit->dst_w,blit->dst_h));
|
||||
|
||||
// Send the command
|
||||
tdfx_outl(COMMAND_2D,0xcc000102); // | (ROP_COPY << 24));
|
||||
banshee_wait_idle();
|
||||
|
||||
// Now restore the regs to make fb happy
|
||||
banshee_make_room(10);
|
||||
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);
|
||||
tdfx_outl(DSTSIZE, dstsize);
|
||||
banshee_wait_idle();
|
||||
|
||||
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_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);
|
||||
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 int tdfx_vid_mmap(struct file *file, struct vm_area_struct *vma)
|
||||
{
|
||||
size_t size;
|
||||
//u32 pages;
|
||||
#ifdef MP_DEBUG
|
||||
printk(KERN_DEBUG "tdfx_vid: mapping agp memory into userspace\n");
|
||||
#endif
|
||||
|
||||
if(agp_mem)
|
||||
return(-EAGAIN);
|
||||
|
||||
size = (vma->vm_end-vma->vm_start + PAGE_SIZE - 1) / PAGE_SIZE;
|
||||
|
||||
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);
|
||||
|
||||
//setup_fifo(0,size);
|
||||
|
||||
|
||||
#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);
|
||||
}
|
||||
|
||||
|
||||
printk(KERN_INFO "AGP Mem mapped in user space !!!!!\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int tdfx_vid_release(struct inode *inode, struct file *file)
|
||||
{
|
||||
//Close the window just in case
|
||||
#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");
|
||||
}
|
||||
74
drivers/tdfx_vid.h
Normal file
74
drivers/tdfx_vid.h
Normal file
@ -0,0 +1,74 @@
|
||||
|
||||
|
||||
#define TDFX_VID_VERSION 1
|
||||
|
||||
#define TDFX_VID_MOVE_2_PACKED 0
|
||||
#define TDFX_VID_MOVE_2_YUV 1
|
||||
#define TDFX_VID_MOVE_2_3D 2
|
||||
#define TDFX_VID_MOVE_2_TEXTURE 3
|
||||
|
||||
#define TDFX_VID_FORMAT_BGR1 (('B'<<24)|('G'<<16)|('R'<<8)|1)
|
||||
#define TDFX_VID_FORMAT_BGR8 (('B'<<24)|('G'<<16)|('R'<<8)|8)
|
||||
#define TDFX_VID_FORMAT_BGR16 (('B'<<24)|('G'<<16)|('R'<<8)|16)
|
||||
#define TDFX_VID_FORMAT_BGR24 (('B'<<24)|('G'<<16)|('R'<<8)|24)
|
||||
#define TDFX_VID_FORMAT_BGR32 (('B'<<24)|('G'<<16)|('R'<<8)|32)
|
||||
|
||||
#define TDFX_VID_FORMAT_YUY2 (('2'<<24)|('Y'<<16)|('U'<<8)|'Y')
|
||||
#define TDFX_VID_FORMAT_UYVY (('U'<<24)|('Y'<<16)|('V'<<8)|'Y')
|
||||
|
||||
#define TDFX_VID_FORMAT_YV12 0x32315659
|
||||
#define TDFX_VID_FORMAT_IYUV (('I'<<24)|('Y'<<16)|('U'<<8)|'V')
|
||||
#define TDFX_VID_FORMAT_I420 (('I'<<24)|('4'<<16)|('2'<<8)|'0')
|
||||
|
||||
#define TDFX_VID_YUV_STRIDE (1024)
|
||||
#define TDFX_VID_YUV_PLANE_SIZE (0x0100000)
|
||||
|
||||
|
||||
typedef struct tdfx_vid_blit_s {
|
||||
uint32_t src;
|
||||
uint32_t src_stride;
|
||||
uint16_t src_x,src_y;
|
||||
uint16_t src_w,src_h;
|
||||
uint32_t src_format;
|
||||
|
||||
uint32_t dst;
|
||||
uint32_t dst_stride;
|
||||
uint16_t dst_x,dst_y;
|
||||
uint16_t dst_w,dst_h;
|
||||
uint32_t dst_format;
|
||||
} tdfx_vid_blit_t;
|
||||
|
||||
typedef struct tdfx_vid_config_s {
|
||||
uint16_t version;
|
||||
uint16_t card_type;
|
||||
uint32_t ram_size;
|
||||
uint16_t screen_width;
|
||||
uint16_t screen_height;
|
||||
uint16_t screen_stride;
|
||||
uint32_t screen_format;
|
||||
uint32_t screen_start;
|
||||
} tdfx_vid_config_t;
|
||||
|
||||
typedef struct tdfx_vid_agp_move_s {
|
||||
uint16_t move2;
|
||||
uint16_t width,height;
|
||||
|
||||
uint32_t src;
|
||||
uint32_t src_stride;
|
||||
|
||||
uint32_t dst;
|
||||
uint32_t dst_stride;
|
||||
} tdfx_vid_agp_move_t;
|
||||
|
||||
typedef struct tdfx_vid_yuv_s {
|
||||
uint32_t base;
|
||||
uint16_t stride;
|
||||
} tdfx_vid_yuv_t;
|
||||
|
||||
#define TDFX_VID_GET_CONFIG _IOR('J', 1, tdfx_vid_config_t)
|
||||
#define TDFX_VID_AGP_MOVE _IOR('J', 2, tdfx_vid_agp_move_t)
|
||||
#define TDFX_VID_BLIT _IOR('J', 3, tdfx_vid_blit_t)
|
||||
#define TDFX_VID_SET_YUV _IOR('J', 4, tdfx_vid_blit_t)
|
||||
#define TDFX_VID_GET_YUV _IOR('J', 5, tdfx_vid_blit_t)
|
||||
|
||||
#define TDFX_VID_BUMP0 _IOR('J', 6, u16)
|
||||
98
drivers/tdfx_vid_tst.c
Normal file
98
drivers/tdfx_vid_tst.c
Normal file
@ -0,0 +1,98 @@
|
||||
|
||||
#include <stdlib.h>
|
||||
#include <stdio.h>
|
||||
#include <sys/types.h>
|
||||
#include <sys/stat.h>
|
||||
#include <fcntl.h>
|
||||
#include <unistd.h>
|
||||
#include <sys/mman.h>
|
||||
#include <sys/ioctl.h>
|
||||
#include <inttypes.h>
|
||||
|
||||
#include "tdfx_vid.h"
|
||||
|
||||
|
||||
static void print_tdfd_vid_cfg(tdfx_vid_config_t* cfg) {
|
||||
printf("tdfx_vid version %d\n"
|
||||
" Ram: %d\n"
|
||||
" Screen: %d x %d\n",
|
||||
cfg->version,
|
||||
cfg->ram_size,
|
||||
cfg->screen_width, cfg->screen_height);
|
||||
}
|
||||
|
||||
|
||||
int main(int argc, char** argv) {
|
||||
int fd,i;
|
||||
unsigned char *mem,*ptr;
|
||||
tdfx_vid_agp_move_t move;
|
||||
tdfx_vid_config_t cfg;
|
||||
tdfx_vid_blit_t blit;
|
||||
|
||||
fd = open("/dev/tdfx_vid", O_RDWR);
|
||||
|
||||
if(fd <= 0) {
|
||||
printf("Can't open /dev/tdfx_vid\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
if(ioctl(fd,TDFX_VID_GET_CONFIG,&cfg)) {
|
||||
printf("Ioctl GET_CONFIG error\n");
|
||||
close(fd);
|
||||
return 1;
|
||||
}
|
||||
|
||||
print_tdfd_vid_cfg(&cfg);
|
||||
|
||||
mem = mmap( NULL, 640*480*2, PROT_READ | PROT_WRITE, MAP_SHARED,
|
||||
fd, 0);
|
||||
|
||||
if(mem == MAP_FAILED) {
|
||||
printf("Memmap failed !!!!!\n");
|
||||
return 1;
|
||||
}
|
||||
|
||||
/* for(ptr = mem, i = 0 ; i < 640*480 ; i++) { */
|
||||
/* ptr[0] = i & 0xFF; */
|
||||
/* ptr[1] = (i & 0xFF); */
|
||||
/* ptr += 2; */
|
||||
/* } */
|
||||
|
||||
memset(mem,0xFF,640*480*2);
|
||||
|
||||
memset(&move, 0, sizeof(tdfx_vid_agp_move_t));
|
||||
move.width = 640;
|
||||
move.height = 240;
|
||||
move.src_stride = 640;
|
||||
move.dst_stride = 640*2;
|
||||
|
||||
if(ioctl(fd,TDFX_VID_AGP_MOVE,&move)) {
|
||||
printf("AGP Move failed !!!!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
printf("AGP Move ????\n");
|
||||
sleep(1);
|
||||
|
||||
blit.src = 0;
|
||||
blit.src_stride = 640*2;
|
||||
blit.src_x = blit.src_y = 0;
|
||||
blit.src_w = 320;
|
||||
blit.src_h = 240;
|
||||
blit.src_format = cfg.screen_format;
|
||||
|
||||
blit.dst = 240*640*2+320;
|
||||
blit.dst_stride = 640*2;
|
||||
blit.dst_x = blit.dst_y = 0;
|
||||
blit.dst_w = 320;
|
||||
blit.dst_h = 240;
|
||||
blit.dst_format = cfg.screen_format;
|
||||
|
||||
if(ioctl(fd,TDFX_VID_BLIT,&blit)) {
|
||||
printf("Blit failed !!!!\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
close(fd);
|
||||
return 1;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user