/* Copyright 1999, Be Incorporated. All Rights Reserved. This file may be used under the terms of the Be Sample Code License. Other authors: Rudolf Cornelissen 4/2003-1/2006 */ #ifndef DRIVERINTERFACE_H #define DRIVERINTERFACE_H #include <Accelerant.h> #include "video_overlay.h" #include <Drivers.h> #include <PCI.h> #include <OS.h> #define DRIVER_PREFIX "neomagic" /* Internal driver state (also for sharing info between driver and accelerant) */ #if defined(__cplusplus) extern "C" { #endif typedef struct { sem_id sem; int32 ben; } benaphore; #define INIT_BEN(x) x.sem = create_sem(0, "NM "#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 NM_PRIVATE_DATA_MAGIC 0x0009 /* a private driver rev, of sorts */ /*dualhead extensions to flags*/ #define DUALHEAD_OFF (0<<6) #define DUALHEAD_CLONE (1<<6) #define DUALHEAD_ON (2<<6) #define DUALHEAD_SWITCH (3<<6) #define DUALHEAD_BITS (3<<6) #define DUALHEAD_CAPABLE (1<<8) #define TV_BITS (3<<9) #define TV_MON (0<<9 #define TV_PAL (1<<9) #define TV_NTSC (2<<9) #define TV_CAPABLE (1<<11) #define TV_VIDEO (1<<12) #define TV_PRIMARY (1<<13) #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 { NM_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1, NM_GET_PCI, NM_SET_PCI, NM_DEVICE_NAME, NM_RUN_INTERRUPTS, NM_ISA_OUT, NM_ISA_IN, NM_PGM_BES }; /* max. number of overlay buffers */ #define MAXBUFFERS 3 /* internal used info on overlay buffers */ typedef struct { uint16 slopspace; uint32 size; } int_buf_info; typedef struct settings { // apsed, see comments in nm.settings // for driver char accelerant[B_FILE_NAME_LENGTH]; bool dumprom; // for accelerant uint32 logmask; uint32 memory; bool usebios; bool hardcursor; } settings; /*shared info*/ typedef struct { /*a few ID things*/ 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 */ /* used to return status for INIT_ACCELERANT and CLONE_ACCELERANT */ bool accelerant_in_use; /* bug workaround for 4.5.0 */ uint32 use_clone_bugfix; /*for 4.5.0, cloning of physical memory does not work*/ uint32 * clone_bugfix_regs; uint32 * clone_bugfix_regs2; /* old cards have their registers mapped inside the framebuffer area */ bool regs_in_fb; /*memory mappings*/ area_id regs_area, regs2_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. */ area_id pseudo_dma_area; /* Pseudo dma area_id. Shared by all teams. */ area_id dma_buffer_area; /* Area assigned for dma*/ void *framebuffer; /* As viewed from virtual memory */ void *framebuffer_pci; /* As viewed from the PCI bus (for DMA) */ void *pseudo_dma; /* As viewed from virtual memory */ void *dma_buffer; /* buffer for dma*/ void *dma_buffer_pci; /* buffer for dma - from PCI bus*/ /*screenmode list*/ area_id mode_area; /* Contains the list of display modes the driver supports */ uint32 mode_count; /* Number of display modes in the list */ /*flags - used by driver*/ uint32 flags; /*vblank semaphore*/ sem_id vblank; /* The vertical blank semaphore. Ownership will be transfered to the team opening the device first */ /*cursor information*/ struct { 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; /* desktop */ uint16 width; /* Width and height of the cursor shape (always 16!) */ uint16 height; bool is_visible; /* Is the cursor currently displayed? */ } cursor; /*colour lookup table*/ uint8 color_data[3 * 256]; /* Colour lookup table - as used by DAC */ /*more display mode stuff*/ display_mode dm; /* current display mode configuration: head1 */ uint32 dpms_flags; /* current DPMS mode */ bool acc_mode; /* signals (non)accelerated mode */ /*frame buffer config - for BDirectScreen*/ frame_buffer_config fbc; /* bytes_per_row and start of frame buffer: head1 */ accelerant_device_info adi; /* as returned by hook GET_ACCELERANT_DEVICE_INFO */ /*acceleration engine*/ struct { uint32 count; /* last dwgsync slot used */ uint32 last_idle; /* last dwgsync slot we *know* the engine was idle after */ benaphore lock; /* for serializing access to the acceleration engine */ uint32 control; /* colordepth, memory pitch and other config stuff */ uint8 depth; /* bytes per pixel used */ } engine; /* card info - information gathered from PINS (and other sources) */ enum { // card_type in order of date of nm chip design NM2070 = 0, NM2090, NM2093, NM2097, NM2160, NM2200, NM2230, NM2360, NM2380 } card_type; struct { /* specialised registers for predefined cardspecs */ /* general card information */ uint32 card_type; /* see card_type enum above */ bool int_assigned; /* card has a useable INT assigned to it */ /* PINS */ float f_ref; /* PLL reference-oscillator frequency (Mhz) */ uint32 max_system_vco; /* graphics engine PLL VCO limits (Mhz) */ uint32 min_system_vco; uint32 max_pixel_vco; /* dac1 PLL VCO limits (Mhz) */ uint32 min_pixel_vco; uint32 std_engine_clock; /* graphics engine clock speed needed (Mhz) */ uint32 max_dac1_clock; /* dac1 limits (Mhz) */ uint32 max_dac1_clock_8; /* dac1 limits correlated to RAMspeed limits (Mhz) */ uint32 max_dac1_clock_16; uint32 max_dac1_clock_24; uint32 memory_size; /* memory (Kbytes) */ uint32 curmem_size; /* memory (bytes) */ uint16 max_crtc_width; /* CRTC max constraints */ uint16 max_crtc_height; uint8 panel_type; /* panel type */ uint16 panel_width; /* panel size */ uint16 panel_height; uint8 outputs; /* in BIOS preselected output(s) */ } ps; /*mirror of the ROM (copied in driver, because may not be mapped permanently - only over fb)*/ uint8 rom_mirror[65536]; /* apsed: some configuration settings from ~/config/settings/kernel/drivers/nm.settings if exists */ settings settings; struct { overlay_buffer myBuffer[MAXBUFFERS];/* scaler input buffers */ int_buf_info myBufInfo[MAXBUFFERS]; /* extra info on scaler input buffers */ overlay_token myToken; /* scaler is free/in use */ benaphore lock; /* for creating buffers and aquiring overlay unit routines */ /* variables needed for virtualscreens (move_overlay()): */ bool active; /* true is overlay currently in use */ overlay_window ow; /* current position of overlay output window */ overlay_buffer ob; /* current inputbuffer in use */ overlay_view my_ov; /* current corrected view in inputbuffer */ uint32 h_ifactor; /* current 'unclipped' horizontal inverse scaling factor */ uint32 v_ifactor; /* current 'unclipped' vertical inverse scaling factor */ } overlay; } 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 */ } nm_get_set_pci; /* Read or write a value in ISA I/O space */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ uint16 adress; /* Offset to read/write */ uint8 size; /* Number of bytes to transfer */ uint16 data; /* The value read or written */ } nm_in_out_isa; /* move_overlay related info */ typedef struct { uint32 hcoordv; /* left and right edges of video output window */ uint32 vcoordv; /* top and bottom edges of video output window */ uint32 hsrcendv; /* horizontal source end in source buffer (clipping) */ uint32 a1orgv; /* vertical source clipping via startadress of source buffer */ } move_overlay_info; /* setup ISA BES registers for overlay on ISA cards */ typedef struct { uint32 magic; /* magic number to make sure the caller groks us */ uint32 card_type; /* see card_type enum above */ uint32 hiscalv; uint32 viscalv; uint32 globctlv; uint32 weight; uint8 colkey_r; uint8 colkey_g; uint8 colkey_b; uint16 ob_width; move_overlay_info moi; bool move_only; } nm_bes_data; /* 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 */ } nm_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 */ } nm_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 */ } nm_device_name; enum { _WAIT_FOR_VBLANK = (1 << 0) }; #if defined(__cplusplus) } #endif #endif
