#ifndef DRIVERINTERFACE_H #define DRIVERINTERFACE_H #include #include #include #include /* ATI Mach64 Definitions */ #include "regmach64.h" /* This is the info that needs to be shared between the kernel driver and the accelerant for the atimach64 driver. */ #if defined(__cplusplus) extern "C" { #endif typedef struct { sem_id sem; int32 ben; } benaphore; #define INIT_BEN(x) x.sem = create_sem(0, "ATIMACH64 "#x" benaphore"); x.ben = 0; #define AQUIRE_BEN(x) if((atomic_add(&(x.ben), 1)) >= 1) acquire_sem(x.sem); #define RELEASE_BEN(x) if((atomic_add(&(x.ben), -1)) > 1) release_sem(x.sem); #define DELETE_BEN(x) delete_sem(x.sem); #define inb(a) *((vuint8 *)((uint32)(si->regs) + (a))) #define outb(a, b) *((vuint8 *)((uint32)(si->regs) + (a))) = (b) #define inh(a) *((vuint16 *)((uint32)(si->regs) + (a))) #define outh(a, b) *((vuint16 *)((uint32)(si->regs) + (a))) = (b) #define inw(a) *((vuint32 *)((uint32)(si->regs) + (a))) #define outw(a, b) *((vuint32 *)((uint32)(si->regs) + (a))) = (b) #define rom(a) *((vuchar *)((uint32)(si->regs) + (a))) #define romsi(a) *((vuint16 *)((uint32)(si->regs) + (a))) #define rommem(a) ((char *)((uint32)(si->regs) + (a))) #define ATIMACH64_PRIVATE_DATA_MAGIC 0x1234 /* a private driver rev, of sorts */ #define MAX_ATIMACH64_DEVICE_NAME_LENGTH 32 #define SKD_MOVE_CURSOR 0x00000001 #define SKD_PROGRAM_CLUT 0x00000002 #define SKD_SET_START_ADDR 0x00000004 #define SKD_SET_CURSOR 0x00000008 #define SKD_HANDLER_INSTALLED 0x80000000 enum { ATIMACH64_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1, ATIMACH64_GET_PCI, ATIMACH64_SET_PCI, ATIMACH64_DEVICE_NAME, ATIMACH64_RUN_INTERRUPTS }; typedef struct { uint16 vendor_id; /* PCI vendor ID, from pci_info */ uint16 device_id; /* PCI device ID, from pci_info */ uint8 revision; /* PCI device revsion, from pci_info */ void *regs; /* Registers offset within buffer */ area_id regs_area; /* Kernel's area_id for the memory mapped registers. It will be cloned into the accelerant's address space. */ area_id fb_area; /* Frame buffer's area_id. The addresses are shared with all teams. */ void *framebuffer; /* As viewed from virtual memory */ void *framebuffer_pci; /* As viewed from the PCI bus (for DMA) */ area_id rom_area; /* Mapped ROM's area_id */ void *rom; /* As viewed from virtual memory. Shared by all teams */ area_id mode_area; /* Contains the list of display modes the driver supports */ uint32 mode_count; /* Number of display modes in the list */ sem_id vblank; /* The vertical blank semaphore. Ownership will be transfered to the team opening the device first */ int32 flags; int32 start_addr; struct { uint8* data; /* Pointer into the frame buffer to where the cursor data starts */ uint16 hot_x; /* Cursor hot spot. The top left corner of the cursor */ uint16 hot_y; /* is 0,0 */ uint16 x; /* The location of the cursor hot spot on the */ uint16 y; /* display (or desktop?) */ uint16 width; /* Width and height of the cursor shape */ uint16 height; bool is_visible; /* Is the cursor currently displayed? */ } cursor; uint16 first_color; uint16 color_count; bigtime_t refresh_period; /* Duration of one frame (ie 1/refresh rate) */ bigtime_t blank_period; /* Duration of the blanking period. These are usefull when faking vertical blanking interrupts. */ uint8 color_data[3 * 256]; /* */ uint8 cursor0[64*64/8]; /* AND mask for a 64x64 cursor */ uint8 cursor1[512]; /* XOR mask for a 64x64 cursor */ display_mode dm; /* current display mode configuration */ frame_buffer_config fbc; /* bytes_per_row and start of frame buffer */ struct { uint64 count; /* last fifo slot used */ uint64 last_idle; /* last fifo slot we *know* the engine was idle after */ benaphore lock; /* for serializing access to the acceleration engine */ uint64 fifo_limit; } engine; uint32 pix_clk_max8; /* The maximum speed the pixel clock should run */ uint32 pix_clk_max16; /* at for a given pixel width. Usually a function */ uint32 pix_clk_max32; /* of memory and DAC bandwidths. */ uint32 mem_size; /* Frame buffer memory, in bytes. */ /* Specific info for the Mach64 follows */ uint8 board_identifier[2]; uint8 equipment_flags[2]; uint8 asic_identifier; uint8 bios_major; uint8 bios_minor; char bios_date[20]; uint8 VGA_Wonder_Present; uint8 Mach64_Present; uint8 Bus_Type; uint8 Mem_Type; uint8 Mem_Size; /* The result of querying AtiMach64 */ uint8 DAC_Type; uint8 DAC_SubType; uint8 Clock_Type; uint16 MinFreq; uint16 MaxFreq; uint16 RefFreq; uint16 RefDivider; uint16 NAdj; uint16 DRAMMemClk; uint16 VRAMMemClk; uint16 MemClk; uint16 CXClk; uint16 Clocks[MACH64_NUM_CLOCKS]; uint8 MemCycle; mach64FreqRec Freq_Table[MACH64_NUM_FREQS]; mach64FreqRec Freq_Table2[MACH64_NUM_FREQS]; } shared_info; /* Read or write a value in PCI configuration space */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ uint32 offset; /* Offset to read/write */ uint32 size; /* Number of bytes to transfer */ uint32 value; /* The value read or written */ } atimach64_get_set_pci; /* Set some boolean condition (like enabling or disabling interrupts) */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ bool do_it; /* state to set */ } atimach64_set_bool_state; /* Retrieve the area_id of the kernel/accelerant shared info */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ area_id shared_info_area; /* area_id containing the shared information */ } atimach64_get_private_data; /* Retrieve the device name. Usefull for when we have a file handle, but want to know the device name (like when we are cloning the accelerant) */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ char *name; /* The name of the device, less the /dev root */ } atimach64_device_name; enum { ATIMACH64_WAIT_FOR_VBLANK = (1 << 0) }; #if defined(__cplusplus) } #endif #endif