/* Copyright (c) 2002, Thomas Kurschel Part of Radeon accelerant Interface between kernel driver and accelerant */ #ifndef _RADEON_INTERFACE_H #define _RADEON_INTERFACE_H #include #include #include #include #include "video_overlay.h" #include "benaphore.h" // magic code for ioctls #define RADEON_PRIVATE_DATA_MAGIC 'TKRA' #define MAX_RADEON_DEVICE_NAME_LENGTH MAXPATHLEN // list ioctls enum { RADEON_GET_PRIVATE_DATA = B_DEVICE_OP_CODES_END + 1, RADEON_DEVICE_NAME, RADEON_GET_LOG_SIZE, RADEON_GET_LOG_DATA, RADEON_ALLOC_MEM, RADEON_FREE_MEM, RADEON_WAITFORIDLE, RADEON_RESETENGINE, RADEON_VIPREAD, RADEON_VIPWRITE, RADEON_FINDVIPDEVICE, RADEON_WAIT_FOR_CAP_IRQ, RADEON_DMACOPY, }; // number of indirect buffers // see CP.c for this magic number #define NUM_INDIRECT_BUFFERS 253 // size of an indirect buffer in dwords; // as hardware wants buffers to be 4k aligned and as we store all // buffers in one chunk, the size per buffer in bytes must be a multiple of 4k #define INDIRECT_BUFFER_SIZE (4096/4) // type of memory typedef enum { mt_local, // local graphics memory mt_PCI, // PCI memory (read: fully cachable) mt_AGP, // AGP memory (read: not cachable; currently not supported) mt_nonlocal, // non-local graphics memory (alias to one of the // previously defined types, see si->nonlocal_type) mt_last = mt_nonlocal } memory_type_e; // list of multi-monitor modes typedef enum { mm_none, // use one display only mm_combine, // combine displays to larger workspace mm_clone, // clone workspace, all displays show the // same but have independant timing mm_mirror // mirror heads (as used by Laptop) - not implemented yet } multi_mode_e; // displays devices; // this must be a bit field as multiple devices may be connected to one CRTC typedef enum { dd_none = 0, dd_tv_crt = 1, // CRT on TV-DAC, i.e. on DVI port dd_crt = 2, // CRT on CRT-DAC, i.e. VGA port dd_lvds = 4, // laptop flap panel dd_dvi = 8, // DVI on primary port (i.e. standard DVI connector) dd_ctv = 16, // composite TV on TV-DAC dd_stv = 32, // S-Video out on TV-DAC // the following connectors/devices are not supported dd_dvi_ext = 64 // external DVI (only provided by few models) } display_device_e; // type of ASIC typedef enum { rt_r100, // original Radeon rt_ve, // original VE version rt_m6, // original mobile Radeon rt_rs100, // IGP 320M rt_rv200, // Radeon 7500 rt_m7, // mobile Radeon 7500 rt_rs200, // IGP 330M/340M/350M rt_r200, // Radeon 8500/9100 rt_rv250, // Radeon 9000 rt_m9, // mobile Radeon 9000 rt_rv280, // Radeon 9200 rt_m9plus, // mobile Radeon 9200 // from here on, r300 and up must be located as ATI modified the PLL // with r300 and the code only tests for >= rt_r300 rt_r300, // Radeon 9700 rt_r300_4p, // Radeon 9500 rt_rv350, // Radeon 9600 rt_m10, // mobile Radeon 9600 rt_rv360, // Radeon 9600 rt_r350, // Radeon 9800 rt_r360 // Radeon 9800 } radeon_type; // TV standard typedef enum { ts_off, ts_ntsc, ts_pal_bdghi, ts_pal_m, ts_pal_nc, ts_scart_pal, ts_pal_60, ts_max = ts_pal_60 } tv_standard_e; // type of TV-Chip typedef enum { tc_none, tc_external_rt1, // external Rage Theatre tc_internal_rt1, // internal version 1 tc_internal_rt2, // internal version 2 } tv_chip_type; // info about cursor typedef struct { uint8* data; // pointer to framebuffer containing cursor image uint16 hot_x; uint16 hot_y; uint16 x; uint16 y; uint16 width; uint16 height; uint32 mem_handle; // memory handle uint32 fb_offset; // offset in frame buffer bool is_visible; // official flag whether cursor is visible } cursor_info; // info about flat panel connected to LVDS or DVI port typedef struct { uint panel_pwr_delay; uint panel_xres, panel_yres; uint h_blank, h_over_plus, h_sync_width; uint v_blank, v_over_plus, v_sync_width; uint dot_clock; // in kHz (this is BeOS like, ATI uses 10 kHz steps!) bool is_fp2; // true, if second flat panel // display_type_e disp_type; uint64 h_ratio; // current stretch ratio, needed for overlays uint64 v_ratio; // (mode_res/native_res; 32.32) } fp_info; // crtc info typedef struct { //bool is_crtc2; // true, if crtc2 int8 flatpanel_port; // linked flat panel port (-1 if none) bool cursor_on_screen; // cursor is visible on this head int crtc_idx; // index of CRTC display_device_e active_displays; // currently driven displays display_device_e chosen_displays; // displays to be driven after next mode switch sem_id vblank; // vertical blank interrupt semaphore uint32 rel_x, rel_y; // relative position in multi-monitor mode display_mode mode; // display mode of this head } crtc_info; // info about PLLs on graphics card as retrieved from BIOS // all values are in 10kHz typedef struct { uint32 max_pll_freq; // maximum PLL output frequency uint32 min_pll_freq; // minimum PLL output frequency uint32 xclk; // core frequency uint32 ref_div; // default reference divider uint32 ref_freq; // PLL reference frequency } general_pll_info; // mapping of pll divider code to actual divider value typedef struct { uint8 divider; // divider uint8 code; // code as used in register } pll_divider_map; // info about a PLL // all values are in 10 kHz typedef struct { pll_divider_map *post_divs; // list of possible post dividers pll_divider_map *extra_post_divs; // list of possible extra post dividers uint32 ref_freq; // reference frequency uint32 vco_min, vco_max; // VCO frequency range uint32 min_ref_div, max_ref_div; // reference divider range uint32 pll_in_min, pll_in_max; // PLL input frequency range uint32 extra_feedback_div; // hardwired divider before feedback divider uint32 min_feedback_div, max_feedback_div; // feedback divider range uint32 best_vco; // preferred VCO frequency (0 for don't care) } pll_info; // one overlay buffer typedef struct overlay_buffer_node { struct overlay_buffer_node *next, *prev; uint32 mem_handle; uint32 mem_offset; uint ati_space; // colour space according to ATI uint test_reg; // content of test reg overlay_buffer buffer; } overlay_buffer_node; // info about active overlay typedef struct { overlay_token ot; overlay_buffer ob; overlay_window ow; overlay_view ov; uint16 h_display_start; uint16 v_display_start; overlay_buffer_node *on; // current buffer overlay_buffer_node *prev_on; // previous buffer (for temporal deinterlace, currently unused) int crtc_idx; // crtc where the overlay is shown on uint32 rel_offset; // offset of overlay source due to clipping } overlay_info; // each accelerant gets one "virtual card", i.e. you // can have independant accelerants for each head // (this is an ongoing project ;) typedef struct { uint32 id; // identifier used to know which card the 2D accelerator // is prepared for (we use area_id of this structure) bool assigned_crtc[2]; // mask of heads assigned to virtual card bool used_crtc[2]; // mask of heads assigned to virtual card display_device_e controlled_displays; // displays devices controlled byvc display_device_e connected_displays; // bit-field of connected displays int8 independant_heads; // number of heads to be programmed independantly int8 different_heads; // number of heads showing different parts of framebuffer bool scroll; // scrolling in virtual area enabled uint32 datatype; // Radeon code for pixel format uint bpp; // bytes per pixel uint32 pitch; // byte offset between two lines uint32 eff_width, eff_height; // size of visible area (including both monitors) uint32 fb_mem_handle; // memory handle uint32 fb_offset; // offset of frame buffer in graphics mem cursor_info cursor; bool swap_displays; // true to swap monitors bool use_laptop_panel; // true to always use laptop panel tv_standard_e tv_standard; // standard to use for TV Out bool enforce_mode_change; // set to make sure next display mode change // is executed even if display mode seems to be // still the same frame_buffer_config fbc; // data for direct frame buffer access display_mode mode; // offical mode with multi-monitor bits set overlay_buffer_node *overlay_buffers; // list of allocated overlay buffers //int8 whished_overlay_head; // head where users whishes the overlay to be bool uses_overlay; // true if this virtual card owns overlay int state_buffer_idx; int state_buffer_size; } virtual_card; // status of overlay typedef struct { vint32 inuse; // one, if someone allocated overlay head // (this doesn't necessarily mean that an overlay is shown) uint32 token; // arbitrarily chosen token to identify overlay owner // (increased by 1 whenever there is a new owner) uint32 auto_flip_reg; // content of auto_flip_reg } overlay_mgr_info; // info about indirect CP buffer typedef struct { int next; // next used/free buffer (-1 for EOL) int32 send_tag; // tag assigned when buffer was submitted } indirect_buffer; // info about command processor (CP) state typedef struct { benaphore lock; // lock to be acquired when talking to CP or // when accesing this structure // ring buffer (in non-local memory) struct { uint32 mem_offset; // offset in non-local memory uint32 vm_base; // base of ring buffer as seen by graphics card uint32 tail, tail_mask; // next write position in dwords; mask for wrap-arounds uint32 size; // size in dwords //uint32 head_offset; // offset for automatically updates head in DMA buffer //uint32 start_offset; memory_type_e mem_type; //uint32 *start; // pointer to ring buffer //vuint32 *head; // pointer to automatically updated read position uint32 space; // known space in ring buffer uint32 mem_handle; // handle of memory of indirect buffers } ring; // feedback registers (in PCI memory) struct { //vuint32 *ptr; // pointer to scratch registers uint32 scratch_mem_offset; // offset of scratch registers in feedback memory uint32 head_mem_offset; // offset of head register in feedback memory uint32 scratch_vm_start; // virtual address of scratch as seen by GC uint32 head_vm_address; // virtual address of head as seen by GC memory_type_e mem_type; // memory type of feedback memory uint32 mem_handle; // handle of feedback memory } feedback; // indirect buffers (in non-local memory) // for indeces: -1 means "none" struct { int free_list; // index of first empty buffer int oldest, // oldest submitted buffer newest; // newest submitted buffer int active_state; // index of active state buffer uint64 cur_tag; // tag of last submitted indirect buffer memory_type_e mem_type; uint32 mem_offset; // offset of indirect buffers in non-local memory uint32 vm_start; // start of indirect buffers as seen by graphics card indirect_buffer buffers[NUM_INDIRECT_BUFFERS]; // info about buffers uint32 mem_handle; // handle of memory of indirect buffers } buffers; } CP_info; // info about different graphics-related memory // (see memory_type_e) typedef struct { area_id area; // area to memory uint32 size; // usable size in bytes uint32 virtual_addr_start; // virtual address (for graphics card!) uint32 virtual_size; // reserved virtual address space in bytes } memory_type_info; // data published by kernel and shared by all accelerant/virtual cards typedef struct { // filled out by kernel CP_info cp; // info concerning command processor // set by accelerant struct { uint64 count; // count of submitted CP commands uint64 last_idle; // count when engine was idle last time uint64 written; // last count passed to CP benaphore lock; // engine lock } engine; uint16 vendor_id; // PCI vendor id uint16 device_id; // PCI device id uint8 revision; // PCI device revision //bool has_crtc2; // has second CRTC radeon_type asic; // ASIC version bool is_mobility; // mobility version tv_chip_type tv_chip; // type of TV-Out encoder bool new_pll; // r300 style PLL uint8 theatre_channel; // VIP channel of Rage Theatre (if applicable) general_pll_info pll; area_id regs_area; // area of memory mapped registers area_id ROM_area; // area of ROM //area_id fb_area; // area of frame buffer void *framebuffer_pci; // physical address of frame buffer (aka local memory) // this is a hack needed by BeOS crtc_info crtc[2]; // info about each crtc uint8 num_crtc; // number of physical heads fp_info flatpanels[2]; // info about connected flat panels (if any) memory_type_info memory[mt_last]; // info about memory types memory_type_e nonlocal_type; // default type of non-local memory uint8 *local_mem; // address of local memory; // this is a hack requested by BeOS area_id mode_list_area; // area containing display mode list uint mode_count; uint32 active_vc; // currently selected virtual card in terms of 2D acceleration uint32 dac_cntl2; // content of dac_cntl2 register overlay_info pending_overlay; // overlay to be shown overlay_info active_overlay; // overlay shown overlay_mgr_info overlay_mgr; // status of overlay // data needed for VBI emulation // (currently not fully implemented - if the user disabled graphics card // IRQ in the BIOS, it's his fault) int refresh_period; // duration of one frame in ms int blank_period; // vertical blank period of a frame in ms int enable_virtual_irq; // true, to enable virtual interrupts struct log_info_t *log; // fast logger data } shared_info; // retrieve the area_id of the kernel/accelerant shared info typedef struct { uint32 magic; // magic number area_id shared_info_area; area_id virtual_card_area; } radeon_get_private_data; // get devie name (used to clone accelerant) typedef struct { uint32 magic; // magic number char *name; // pointer to buffer containing name (in) } radeon_device_name; // alloc (non-)local memory typedef struct { uint32 magic; memory_type_e memory_type;// type of memory uint32 size; // size in bytes uint32 offset; // offset in memory uint32 handle; // handle (needed to free memory) bool global; // set this to true if memory should persist even // if client gets terminated } radeon_alloc_mem; // free (non-)local memory typedef struct { uint32 magic; memory_type_e memory_type;// type of memory uint32 handle; // memory handle bool global; // must be same as on alloc_local_mem } radeon_free_mem; // wait for idle typedef struct { uint32 magic; bool keep_lock; // keep lock after engine is idle } radeon_wait_for_idle; // read VIP register typedef struct { uint32 magic; uint channel; // channel, i.e. device uint address; // address uint32 data; // read data bool lock; // true, if CP lock must be acquired } radeon_vip_read; // write VIP register typedef struct { uint32 magic; uint channel; // channel, i.e. device uint address; // address uint32 data; // data to write bool lock; // true, if CP lock must be acquired } radeon_vip_write; // find channel of device with given ID typedef struct { uint32 magic; uint32 device_id; // id of device uint channel; // channel of device (-1 if not found) } radeon_find_vip_device; // wait for capture interrupt and get status about typedef struct { uint32 magic; bigtime_t timeout; // timeout to wait for irq bigtime_t timestamp; // timestamp when last capturing was finished uint32 int_status; // content of RADEON_CAP_INT_STATUS uint32 counter; // number of capture interrupts so far } radeon_wait_for_cap_irq; // copy data from frame buffer to some memory location typedef struct { uint32 magic; uint32 src; // offset of source data in frame buffer void *target; // target buffer size_t size; // number of bytes to copy bool lock_mem; // true, if target needs to be locked bool contiguous; // true, if target is physically contiguous } radeon_dma_copy; // parameter for ioctl without further arguments typedef struct { uint32 magic; } radeon_no_arg; #endif