/* SPDX-License-Identifier: GPL-2.0 */ #ifndef __RADEONFB_H__ #define __RADEONFB_H__ #ifdef CONFIG_FB_RADEON_DEBUG #define DEBUG … #endif #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/delay.h> #include <linux/pci.h> #include <linux/fb.h> #ifdef CONFIG_FB_RADEON_I2C #include <linux/i2c.h> #include <linux/i2c-algo-bit.h> #endif #include <asm/io.h> #ifdef CONFIG_SPARC #include <asm/prom.h> #endif #include <video/radeon.h> /*************************************************************** * Most of the definitions here are adapted right from XFree86 * ***************************************************************/ /* * Chip families. Must fit in the low 16 bits of a long word */ enum radeon_family { … }; #define IS_RV100_VARIANT(rinfo) … #define IS_R300_VARIANT(rinfo) … /* * Chip flags */ enum radeon_chip_flags { … }; /* * Errata workarounds */ enum radeon_errata { … }; /* * Monitor types */ enum radeon_montype { … }; /* * DDC i2c ports */ enum ddc_type { … }; /* * Connector types */ enum conn_type { … }; /* * PLL infos */ struct pll_info { … }; /* * This structure contains the various registers manipulated by this * driver for setting or restoring a mode. It's mostly copied from * XFree's RADEONSaveRec structure. A few chip settings might still be * tweaked without beeing reflected or saved in these registers though */ struct radeon_regs { … }; struct panel_info { … }; struct radeonfb_info; #ifdef CONFIG_FB_RADEON_I2C struct radeon_i2c_chan { … }; #endif enum radeon_pm_mode { … }; reinit_function_ptr; struct radeonfb_info { … }; #define PRIMARY_MONITOR(rinfo) … /* * IO macros */ void _radeon_msleep(struct radeonfb_info *rinfo, unsigned long ms); #define INREG8(addr) … #define OUTREG8(addr,val) … #define INREG16(addr) … #define OUTREG16(addr,val) … #define INREG(addr) … #define OUTREG(addr,val) … void _OUTREGP(struct radeonfb_info *rinfo, u32 addr, u32 val, u32 mask); #define OUTREGP(addr,val,mask) … /* * Note about PLL register accesses: * * I have removed the spinlock on them on purpose. The driver now * expects that it will only manipulate the PLL registers in normal * task environment, where radeon_msleep() will be called, protected * by a semaphore (currently the console semaphore) so that no conflict * will happen on the PLL register index. * * With the latest changes to the VT layer, this is guaranteed for all * calls except the actual drawing/blits which aren't supposed to use * the PLL registers anyway * * This is very important for the workarounds to work properly. The only * possible exception to this rule is the call to unblank(), which may * be done at irq time if an oops is in progress. */ void radeon_pll_errata_after_index_slow(struct radeonfb_info *rinfo); static inline void radeon_pll_errata_after_index(struct radeonfb_info *rinfo) { … } void radeon_pll_errata_after_data_slow(struct radeonfb_info *rinfo); static inline void radeon_pll_errata_after_data(struct radeonfb_info *rinfo) { … } u32 __INPLL(struct radeonfb_info *rinfo, u32 addr); void __OUTPLL(struct radeonfb_info *rinfo, unsigned int index, u32 val); void __OUTPLLP(struct radeonfb_info *rinfo, unsigned int index, u32 val, u32 mask); #define INPLL(addr) … #define OUTPLL(index, val) … #define OUTPLLP(index, val, mask) … #define BIOS_IN8(v) … #define BIOS_IN16(v) … #define BIOS_IN32(v) … /* * Inline utilities */ static inline int round_div(int num, int den) { … } static inline int var_to_depth(const struct fb_var_screeninfo *var) { … } static inline u32 radeon_get_dstbpp(u16 depth) { … } /* * 2D Engine helper routines */ void _radeon_fifo_wait(struct radeonfb_info *rinfo, int entries); void radeon_engine_flush(struct radeonfb_info *rinfo); void _radeon_engine_idle(struct radeonfb_info *rinfo); #define radeon_engine_idle() … #define radeon_fifo_wait(entries) … #define radeon_msleep(ms) … /* I2C Functions */ extern void radeon_create_i2c_busses(struct radeonfb_info *rinfo); extern void radeon_delete_i2c_busses(struct radeonfb_info *rinfo); extern int radeon_probe_i2c_connector(struct radeonfb_info *rinfo, int conn, u8 **out_edid); /* PM Functions */ extern const struct dev_pm_ops radeonfb_pci_pm_ops; extern void radeonfb_pm_init(struct radeonfb_info *rinfo, int dynclk, int ignore_devlist, int force_sleep); extern void radeonfb_pm_exit(struct radeonfb_info *rinfo); /* Monitor probe functions */ extern void radeon_probe_screens(struct radeonfb_info *rinfo, const char *monitor_layout, int ignore_edid); extern void radeon_check_modes(struct radeonfb_info *rinfo, const char *mode_option); extern int radeon_match_mode(struct radeonfb_info *rinfo, struct fb_var_screeninfo *dest, const struct fb_var_screeninfo *src); /* Accel functions */ extern void radeonfb_fillrect(struct fb_info *info, const struct fb_fillrect *region); extern void radeonfb_copyarea(struct fb_info *info, const struct fb_copyarea *area); extern void radeonfb_imageblit(struct fb_info *p, const struct fb_image *image); extern int radeonfb_sync(struct fb_info *info); extern void radeonfb_engine_init (struct radeonfb_info *rinfo); extern void radeonfb_engine_reset(struct radeonfb_info *rinfo); /* Other functions */ extern int radeon_screen_blank(struct radeonfb_info *rinfo, int blank, int mode_switch); extern void radeon_write_mode (struct radeonfb_info *rinfo, struct radeon_regs *mode, int reg_only); /* Backlight functions */ #ifdef CONFIG_FB_RADEON_BACKLIGHT extern void radeonfb_bl_init(struct radeonfb_info *rinfo); extern void radeonfb_bl_exit(struct radeonfb_info *rinfo); #else static inline void radeonfb_bl_init(struct radeonfb_info *rinfo) {} static inline void radeonfb_bl_exit(struct radeonfb_info *rinfo) {} #endif #endif /* __RADEONFB_H__ */
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