186 lines
6.2 KiB
C
186 lines
6.2 KiB
C
|
|
#ifndef DRIVERINTERFACE_H
|
|
#define DRIVERINTERFACE_H
|
|
|
|
#include <Accelerant.h>
|
|
#include <Drivers.h>
|
|
#include <PCI.h>
|
|
#include <OS.h>
|
|
|
|
/* 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
|
|
|