diff --git a/drivers/staging/xgifb/XGI_main.h b/drivers/staging/xgifb/XGI_main.h index 2c55faacc074..b27623a1578d 100644 --- a/drivers/staging/xgifb/XGI_main.h +++ b/drivers/staging/xgifb/XGI_main.h @@ -65,9 +65,6 @@ MODULE_DEVICE_TABLE(pci, xgifb_pci_table); #define MAX_ROM_SCAN 0x10000 -#define OH_ALLOC_SIZE 4000 -#define SENTINEL 0x7fffffff - #define SEQ_ADR 0x14 #define SEQ_DATA 0x15 #define DAC_ADR 0x18 @@ -315,7 +312,6 @@ static int XGIfb_userom = 0; /* global flags */ static int XGIfb_registered; static int XGIfb_tvmode = 0; -static int XGIfb_mem = 0; static int XGIfb_pdc = 0; static int enable_dstn = 0; static int XGIfb_ypan = -1; @@ -538,31 +534,6 @@ static const struct _chswtable { { 0, 0, "" , "" } }; -typedef struct _XGI_OH { - struct _XGI_OH *poh_next; - struct _XGI_OH *poh_prev; - unsigned long offset; - unsigned long size; -} XGI_OH; - -typedef struct _XGI_OHALLOC { - struct _XGI_OHALLOC *poha_next; - XGI_OH aoh[1]; -} XGI_OHALLOC; - -typedef struct _XGI_HEAP { - XGI_OH oh_free; - XGI_OH oh_used; - XGI_OH *poh_freelist; - XGI_OHALLOC *poha_chain; - unsigned long max_freesize; -} XGI_HEAP; - -static unsigned long XGIfb_heap_start; -static unsigned long XGIfb_heap_end; -static unsigned long XGIfb_heap_size; -static XGI_HEAP XGIfb_heap; - // Eden Chen static const struct _XGI_TV_filter { u8 filter[9][4]; @@ -766,15 +737,6 @@ static int XGIfb_do_set_var(struct fb_var_screeninfo *var, int isactive, static void XGIfb_pre_setmode(void); static void XGIfb_post_setmode(void); -struct XGI_memreq { - unsigned long offset; - unsigned long size; -}; - -/* XGI-specific Export functions */ -void XGI_malloc(struct XGI_memreq *req); -void XGI_free(unsigned long base); - /* Internal hardware access routines */ void XGIfb_set_reg4(u16 port, unsigned long data); u32 XGIfb_get_reg3(u16 port); @@ -788,15 +750,6 @@ static void XGIfb_get_VB_type(void); static int XGIfb_has_VB(void); -/* Internal heap routines */ -static int XGIfb_heap_init(void); -static XGI_OH *XGIfb_poh_new_node(void); -static XGI_OH *XGIfb_poh_allocate(unsigned long size); -static void XGIfb_delete_node(XGI_OH *poh); -static void XGIfb_insert_node(XGI_OH *pohList, XGI_OH *poh); -static XGI_OH *XGIfb_poh_free(unsigned long base); -static void XGIfb_free_node(XGI_OH *poh); - /* Internal routines to access PCI configuration space */ unsigned char XGIfb_query_VGA_config_space(struct xgi_hw_device_info *pXGIhw_ext, unsigned long offset, diff --git a/drivers/staging/xgifb/XGI_main_26.c b/drivers/staging/xgifb/XGI_main_26.c index 08551e94ad54..aeccdeece6a2 100644 --- a/drivers/staging/xgifb/XGI_main_26.c +++ b/drivers/staging/xgifb/XGI_main_26.c @@ -1495,16 +1495,6 @@ static int XGIfb_get_fix(struct fb_fix_screeninfo *fix, int con, fix->smem_len = xgi_video_info.video_size; - /* if((!XGIfb_mem) || (XGIfb_mem > (xgi_video_info.video_size/1024))) { - if (xgi_video_info.video_size > 0x1000000) { - fix->smem_len = 0xD00000; - } else if (xgi_video_info.video_size > 0x800000) - fix->smem_len = 0x800000; - else - fix->smem_len = 0x400000; - } else - fix->smem_len = XGIfb_mem * 1024; - */ fix->type = video_type; fix->type_aux = 0; if (xgi_video_info.video_bpp == 8) @@ -1883,297 +1873,6 @@ void XGI_Sense30x(void) outXGIIDXREG(XGIPART4, 0x0d, backupP4_0d); } -/* ------------------------ Heap routines -------------------------- */ - -static int XGIfb_heap_init(void) -{ - XGI_OH *poh; - - /* TW: The heap start is either set manually using the "mem" parameter, or - * defaults as follows: - * -) If more than 16MB videoRAM available, let our heap start at 12MB. - * -) If more than 8MB videoRAM available, let our heap start at 8MB. - * -) If 4MB or less is available, let it start at 4MB. - * This is for avoiding a clash with X driver which uses the beginning - * of the videoRAM. To limit size of X framebuffer, use Option MaxXFBMem - * in XF86Config-4. - * The heap start can also be specified by parameter "mem" when starting the XGIfb - * driver. XGIfb mem=1024 lets heap starts at 1MB, etc. - */ - if ((!XGIfb_mem) || (XGIfb_mem > (xgi_video_info.video_size / 1024))) { - if (xgi_video_info.video_size > 0x1000000) - xgi_video_info.heapstart = 0xD00000; - else if (xgi_video_info.video_size > 0x800000) - xgi_video_info.heapstart = 0x800000; - else - xgi_video_info.heapstart = 0x400000; - } else { - xgi_video_info.heapstart = XGIfb_mem * 1024; - } - XGIfb_heap_start = (unsigned long) (xgi_video_info.video_vbase - + xgi_video_info.heapstart); - printk(KERN_INFO "XGIfb: Memory heap starting at %dK\n", - (int)(xgi_video_info.heapstart / 1024)); - - XGIfb_heap_end = (unsigned long) xgi_video_info.video_vbase - + xgi_video_info.video_size; - XGIfb_heap_size = XGIfb_heap_end - XGIfb_heap_start; - - XGIfb_heap.poha_chain = NULL; - XGIfb_heap.poh_freelist = NULL; - - poh = XGIfb_poh_new_node(); - - if (poh == NULL) - return 1; - - poh->poh_next = &XGIfb_heap.oh_free; - poh->poh_prev = &XGIfb_heap.oh_free; - poh->size = XGIfb_heap_end - XGIfb_heap_start + 1; - poh->offset = XGIfb_heap_start - (unsigned long) xgi_video_info.video_vbase; - - DPRINTK("XGIfb: Heap start:0x%p, end:0x%p, len=%dk\n", - (char *) XGIfb_heap_start, (char *) XGIfb_heap_end, - (unsigned int) poh->size / 1024); - - DPRINTK("XGIfb: First Node offset:0x%x, size:%dk\n", - (unsigned int) poh->offset, (unsigned int) poh->size / 1024); - - XGIfb_heap.oh_free.poh_next = poh; - XGIfb_heap.oh_free.poh_prev = poh; - XGIfb_heap.oh_free.size = 0; - XGIfb_heap.max_freesize = poh->size; - - XGIfb_heap.oh_used.poh_next = &XGIfb_heap.oh_used; - XGIfb_heap.oh_used.poh_prev = &XGIfb_heap.oh_used; - XGIfb_heap.oh_used.size = SENTINEL; - - return 0; -} - -static XGI_OH *XGIfb_poh_new_node(void) -{ - int i; - unsigned long cOhs; - XGI_OHALLOC *poha; - XGI_OH *poh; - - if (XGIfb_heap.poh_freelist == NULL) { - poha = kmalloc(OH_ALLOC_SIZE, GFP_KERNEL); - if (!poha) - return NULL; - - poha->poha_next = XGIfb_heap.poha_chain; - XGIfb_heap.poha_chain = poha; - - cOhs = (OH_ALLOC_SIZE - sizeof(XGI_OHALLOC)) / sizeof(XGI_OH) - + 1; - - poh = &poha->aoh[0]; - for (i = cOhs - 1; i != 0; i--) { - poh->poh_next = poh + 1; - poh = poh + 1; - } - - poh->poh_next = NULL; - XGIfb_heap.poh_freelist = &poha->aoh[0]; - } - - poh = XGIfb_heap.poh_freelist; - XGIfb_heap.poh_freelist = poh->poh_next; - - return poh; -} - -static XGI_OH *XGIfb_poh_allocate(unsigned long size) -{ - XGI_OH *pohThis; - XGI_OH *pohRoot; - int bAllocated = 0; - - if (size > XGIfb_heap.max_freesize) { - DPRINTK("XGIfb: Can't allocate %dk size on offscreen\n", - (unsigned int) size / 1024); - return NULL; - } - - pohThis = XGIfb_heap.oh_free.poh_next; - - while (pohThis != &XGIfb_heap.oh_free) { - if (size <= pohThis->size) { - bAllocated = 1; - break; - } - pohThis = pohThis->poh_next; - } - - if (!bAllocated) { - DPRINTK("XGIfb: Can't allocate %dk size on offscreen\n", - (unsigned int) size / 1024); - return NULL; - } - - if (size == pohThis->size) { - pohRoot = pohThis; - XGIfb_delete_node(pohThis); - } else { - pohRoot = XGIfb_poh_new_node(); - - if (pohRoot == NULL) - return NULL; - - pohRoot->offset = pohThis->offset; - pohRoot->size = size; - - pohThis->offset += size; - pohThis->size -= size; - } - - XGIfb_heap.max_freesize -= size; - - pohThis = &XGIfb_heap.oh_used; - XGIfb_insert_node(pohThis, pohRoot); - - return pohRoot; -} - -static void XGIfb_delete_node(XGI_OH *poh) -{ - XGI_OH *poh_prev; - XGI_OH *poh_next; - - poh_prev = poh->poh_prev; - poh_next = poh->poh_next; - - poh_prev->poh_next = poh_next; - poh_next->poh_prev = poh_prev; - -} - -static void XGIfb_insert_node(XGI_OH *pohList, XGI_OH *poh) -{ - XGI_OH *pohTemp; - - pohTemp = pohList->poh_next; - - pohList->poh_next = poh; - pohTemp->poh_prev = poh; - - poh->poh_prev = pohList; - poh->poh_next = pohTemp; -} - -static XGI_OH *XGIfb_poh_free(unsigned long base) -{ - XGI_OH *pohThis; - XGI_OH *poh_freed; - XGI_OH *poh_prev; - XGI_OH *poh_next; - unsigned long ulUpper; - unsigned long ulLower; - int foundNode = 0; - - poh_freed = XGIfb_heap.oh_used.poh_next; - - while (poh_freed != &XGIfb_heap.oh_used) { - if (poh_freed->offset == base) { - foundNode = 1; - break; - } - - poh_freed = poh_freed->poh_next; - } - - if (!foundNode) - return NULL; - - XGIfb_heap.max_freesize += poh_freed->size; - - poh_prev = poh_next = NULL; - ulUpper = poh_freed->offset + poh_freed->size; - ulLower = poh_freed->offset; - - pohThis = XGIfb_heap.oh_free.poh_next; - - while (pohThis != &XGIfb_heap.oh_free) { - if (pohThis->offset == ulUpper) - poh_next = pohThis; - else if ((pohThis->offset + pohThis->size) == ulLower) - poh_prev = pohThis; - - pohThis = pohThis->poh_next; - } - - XGIfb_delete_node(poh_freed); - - if (poh_prev && poh_next) { - poh_prev->size += (poh_freed->size + poh_next->size); - XGIfb_delete_node(poh_next); - XGIfb_free_node(poh_freed); - XGIfb_free_node(poh_next); - return poh_prev; - } - - if (poh_prev) { - poh_prev->size += poh_freed->size; - XGIfb_free_node(poh_freed); - return poh_prev; - } - - if (poh_next) { - poh_next->size += poh_freed->size; - poh_next->offset = poh_freed->offset; - XGIfb_free_node(poh_freed); - return poh_next; - } - - XGIfb_insert_node(&XGIfb_heap.oh_free, poh_freed); - - return poh_freed; -} - -static void XGIfb_free_node(XGI_OH *poh) -{ - if (poh == NULL) - return; - - poh->poh_next = XGIfb_heap.poh_freelist; - XGIfb_heap.poh_freelist = poh; - -} - -void XGI_malloc(struct XGI_memreq *req) -{ - XGI_OH *poh; - - poh = XGIfb_poh_allocate(req->size); - - if (poh == NULL) { - req->offset = 0; - req->size = 0; - DPRINTK("XGIfb: Video RAM allocation failed\n"); - } else { - DPRINTK("XGIfb: Video RAM allocation succeeded: 0x%p\n", - (char *) (poh->offset + (unsigned long) xgi_video_info.video_vbase)); - - req->offset = poh->offset; - req->size = poh->size; - } - -} - -void XGI_free(unsigned long base) -{ - XGI_OH *poh; - - poh = XGIfb_poh_free(base); - - if (poh == NULL) { - DPRINTK("XGIfb: XGIfb_poh_free() failed at base 0x%x\n", - (unsigned int) base); - } -} - /* --------------------- SetMode routines ------------------------- */ static void XGIfb_pre_setmode(void) @@ -2434,8 +2133,6 @@ XGIINITSTATIC int __init XGIfb_setup(char *options) XGIfb_search_tvstd(this_opt + 7); } else if (!strncmp(this_opt, "tvstandard:", 11)) { XGIfb_search_tvstd(this_opt + 7); - } else if (!strncmp(this_opt, "mem:", 4)) { - XGIfb_mem = simple_strtoul(this_opt + 4, NULL, 0); } else if (!strncmp(this_opt, "dstn", 4)) { enable_dstn = 1; /* TW: DSTN overrules forcecrt2type */ @@ -2686,9 +2383,6 @@ static int __devinit xgifb_probe(struct pci_dev *pdev, else printk("Fail\n"); - if (XGIfb_heap_init()) - printk(KERN_WARNING "XGIfb: Failed to initialize offscreen memory heap\n"); - xgi_video_info.mtrr = (unsigned int) 0; if ((xgifb_mode_idx < 0) || ((XGIbios_mode[xgifb_mode_idx].mode_no) != 0xFF)) { @@ -3074,15 +2768,6 @@ module_param(resetcard, int, 0); module_param(videoram, int, 0); #endif -MODULE_PARM_DESC(mem, - "\nDetermines the beginning of the video memory heap in KB. This heap is used\n" - "for video RAM management for eg. DRM/DRI. On 300 series, the default depends\n" - "on the amount of video RAM available. If 8MB of video RAM or less is available,\n" - "the heap starts at 4096KB, if between 8 and 16MB are available at 8192KB,\n" - "otherwise at 12288KB. On 315 and Xabre series, the heap size is 32KB by default.\n" - "The value is to be specified without 'KB' and must match the MaxXFBMem setting\n" - "for XFree86 4.x/X.org 6.7 and later.\n"); - MODULE_PARM_DESC(noypan, "\nIf set to anything other than 0, y-panning will be disabled and scrolling\n" "will be performed by redrawing the screen. (default: 0)\n"); @@ -3191,7 +2876,3 @@ module_init(xgifb_init_module); module_exit(xgifb_remove_module); #endif /* /MODULE */ - -EXPORT_SYMBOL(XGI_malloc); -EXPORT_SYMBOL(XGI_free); - diff --git a/drivers/staging/xgifb/XGIfb.h b/drivers/staging/xgifb/XGIfb.h index d6c3139f72e6..7813bbe664ae 100644 --- a/drivers/staging/xgifb/XGIfb.h +++ b/drivers/staging/xgifb/XGIfb.h @@ -92,7 +92,6 @@ struct video_info{ char * mmio_vbase; unsigned long vga_base; unsigned long mtrr; - unsigned long heapstart; int video_bpp; int video_cmap_len;