linux/drivers/video/fbdev/aty/atyfb.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  ATI Frame Buffer Device Driver Core Definitions
 */

#include <linux/io.h>
#include <linux/spinlock.h>
#include <linux/wait.h>

    /*
     *  Elements of the hardware specific atyfb_par structure
     */

struct crtc { … };

struct aty_interrupt { … };

struct pll_info { … };

PLL_BLOCK_MACH64;

struct pll_514 { … };

struct pll_18818 { … };

struct pll_ct { … };

/*
	for pll_ct.features
*/
#define DONT_USE_SPLL …
#define DONT_USE_XDLL …
#define USE_CPUCLK …
#define POWERDOWN_PLL …

aty_pll;

    /*
     *  The hardware parameters for each card
     */

struct atyfb_par { … };

    /*
     *  ATI Mach64 features
     */

#define M64_HAS(feature) …

#define M64F_RESET_3D …
#define M64F_MAGIC_FIFO …
#define M64F_GTB_DSP …
#define M64F_FIFO_32 …
#define M64F_SDRAM_MAGIC_PLL …
#define M64F_MAGIC_POSTDIV …
#define M64F_INTEGRATED …
#define M64F_CT_BUS …
#define M64F_VT_BUS …
#define M64F_MOBIL_BUS …
#define M64F_GX …
#define M64F_CT …
#define M64F_VT …
#define M64F_GT …
#define M64F_MAGIC_VRAM_SIZE …
#define M64F_G3_PB_1_1 …
#define M64F_G3_PB_1024x768 …
#define M64F_EXTRA_BRIGHT …
#define M64F_LT_LCD_REGS …
#define M64F_XL_DLL …
#define M64F_MFB_FORCE_4 …
#define M64F_HW_TRIPLE …
#define M64F_XL_MEM …
    /*
     *  Register access
     */

static inline u32 aty_ld_le32(int regindex, const struct atyfb_par *par)
{ … }

static inline void aty_st_le32(int regindex, u32 val, const struct atyfb_par *par)
{ … }

static inline void aty_st_le16(int regindex, u16 val,
			       const struct atyfb_par *par)
{ … }

static inline u8 aty_ld_8(int regindex, const struct atyfb_par *par)
{ … }

static inline void aty_st_8(int regindex, u8 val, const struct atyfb_par *par)
{ … }

extern void aty_st_lcd(int index, u32 val, const struct atyfb_par *par);
extern u32 aty_ld_lcd(int index, const struct atyfb_par *par);

    /*
     *  DAC operations
     */

struct aty_dac_ops { … };

extern const struct aty_dac_ops aty_dac_ibm514; /* IBM RGB514 */
extern const struct aty_dac_ops aty_dac_ati68860b; /* ATI 68860-B */
extern const struct aty_dac_ops aty_dac_att21c498; /* AT&T 21C498 */
extern const struct aty_dac_ops aty_dac_unsupported; /* unsupported */
extern const struct aty_dac_ops aty_dac_ct; /* Integrated */


    /*
     *  Clock operations
     */

struct aty_pll_ops { … };

extern const struct aty_pll_ops aty_pll_ati18818_1; /* ATI 18818 */
extern const struct aty_pll_ops aty_pll_stg1703; /* STG 1703 */
extern const struct aty_pll_ops aty_pll_ch8398; /* Chrontel 8398 */
extern const struct aty_pll_ops aty_pll_att20c408; /* AT&T 20C408 */
extern const struct aty_pll_ops aty_pll_ibm514; /* IBM RGB514 */
extern const struct aty_pll_ops aty_pll_unsupported; /* unsupported */
extern const struct aty_pll_ops aty_pll_ct; /* Integrated */


extern void aty_set_pll_ct(const struct fb_info *info, const union aty_pll *pll);
extern u8 aty_ld_pll_ct(int offset, const struct atyfb_par *par);

extern const u8 aty_postdividers[8];


    /*
     *  Hardware cursor support
     */

extern int aty_init_cursor(struct fb_info *info, struct fb_ops *atyfb_ops);

    /*
     *  Hardware acceleration
     */

static inline void wait_for_fifo(u16 entries, struct atyfb_par *par)
{ … }

static inline void wait_for_idle(struct atyfb_par *par)
{ … }

extern void aty_reset_engine(struct atyfb_par *par);
extern void aty_init_engine(struct atyfb_par *par, struct fb_info *info);

void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
void atyfb_imageblit(struct fb_info *info, const struct fb_image *image);