cregit-Linux how code gets into the kernel

Release 4.11 drivers/video/fbdev/aty/radeonfb.h

#ifndef __RADEONFB_H__

#define __RADEONFB_H__

#ifdef CONFIG_FB_RADEON_DEBUG

#define DEBUG		1
#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>

#if defined(CONFIG_PPC) || defined(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 {
	
CHIP_FAMILY_UNKNOW,
	
CHIP_FAMILY_LEGACY,
	
CHIP_FAMILY_RADEON,
	
CHIP_FAMILY_RV100,
	
CHIP_FAMILY_RS100,    /* U1 (IGP320M) or A3 (IGP320)*/
	
CHIP_FAMILY_RV200,
	
CHIP_FAMILY_RS200,    /* U2 (IGP330M/340M/350M) or A4 (IGP330/340/345/350),
                                 RS250 (IGP 7000) */
	
CHIP_FAMILY_R200,
	
CHIP_FAMILY_RV250,
	
CHIP_FAMILY_RS300,    /* Radeon 9000 IGP */
	
CHIP_FAMILY_RV280,
	
CHIP_FAMILY_R300,
	
CHIP_FAMILY_R350,
	
CHIP_FAMILY_RV350,
	
CHIP_FAMILY_RV380,    /* RV370/RV380/M22/M24 */
	
CHIP_FAMILY_R420,     /* R420/R423/M18 */
	
CHIP_FAMILY_RC410,
	
CHIP_FAMILY_RS400,
	
CHIP_FAMILY_RS480,
	
CHIP_FAMILY_LAST,
};


#define IS_RV100_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_RV100)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RV200)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RS100)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RS200)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RV250)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RV280)  || \
                                 ((rinfo)->family == CHIP_FAMILY_RS300))



#define IS_R300_VARIANT(rinfo) (((rinfo)->family == CHIP_FAMILY_R300)  || \
                                ((rinfo)->family == CHIP_FAMILY_RV350) || \
                                ((rinfo)->family == CHIP_FAMILY_R350)  || \
                                ((rinfo)->family == CHIP_FAMILY_RV380) || \
                                ((rinfo)->family == CHIP_FAMILY_R420)  || \
                               ((rinfo)->family == CHIP_FAMILY_RC410) || \
                               ((rinfo)->family == CHIP_FAMILY_RS480))

/*
 * Chip flags
 */

enum radeon_chip_flags {
	
CHIP_FAMILY_MASK	= 0x0000ffffUL,
	
CHIP_FLAGS_MASK		= 0xffff0000UL,
	
CHIP_IS_MOBILITY	= 0x00010000UL,
	
CHIP_IS_IGP		= 0x00020000UL,
	
CHIP_HAS_CRTC2		= 0x00040000UL,       
};

/*
 * Errata workarounds
 */

enum radeon_errata {
	
CHIP_ERRATA_R300_CG		= 0x00000001,
	
CHIP_ERRATA_PLL_DUMMYREADS	= 0x00000002,
	
CHIP_ERRATA_PLL_DELAY		= 0x00000004,
};


/*
 * Monitor types
 */

enum radeon_montype {
	
MT_NONE = 0,
	
MT_CRT,		/* CRT */
	
MT_LCD,		/* LCD */
	
MT_DFP,		/* DVI */
	
MT_CTV,		/* composite TV */
	
MT_STV		/* S-Video out */
};

/*
 * DDC i2c ports
 */

enum ddc_type {
	
ddc_none,
	
ddc_monid,
	
ddc_dvi,
	
ddc_vga,
	
ddc_crt2,
};

/*
 * Connector types
 */

enum conn_type {
	
conn_none,
	
conn_proprietary,
	
conn_crt,
	
conn_DVI_I,
	
conn_DVI_D,
};


/*
 * PLL infos
 */

struct pll_info {
	
int ppll_max;
	
int ppll_min;
	

int sclk, mclk;
	
int ref_div;
	
int ref_clk;
};


/*
 * 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 {
	/* Common registers */
	
u32		ovr_clr;
	
u32		ovr_wid_left_right;
	
u32		ovr_wid_top_bottom;
	
u32		ov0_scale_cntl;
	
u32		mpp_tb_config;
	
u32		mpp_gp_config;
	
u32		subpic_cntl;
	
u32		viph_control;
	
u32		i2c_cntl_1;
	
u32		gen_int_cntl;
	
u32		cap0_trig_cntl;
	
u32		cap1_trig_cntl;
	
u32		bus_cntl;
	
u32		surface_cntl;
	
u32		bios_5_scratch;

	/* Other registers to save for VT switches or driver load/unload */
	
u32		dp_datatype;
	
u32		rbbm_soft_reset;
	
u32		clock_cntl_index;
	
u32		amcgpio_en_reg;
	
u32		amcgpio_mask;

	/* Surface/tiling registers */
	
u32		surf_lower_bound[8];
	
u32		surf_upper_bound[8];
	
u32		surf_info[8];

	/* CRTC registers */
	
u32		crtc_gen_cntl;
	
u32		crtc_ext_cntl;
	
u32		dac_cntl;
	
u32		crtc_h_total_disp;
	
u32		crtc_h_sync_strt_wid;
	
u32		crtc_v_total_disp;
	
u32		crtc_v_sync_strt_wid;
	
u32		crtc_offset;
	
u32		crtc_offset_cntl;
	
u32		crtc_pitch;
	
u32		disp_merge_cntl;
	
u32		grph_buffer_cntl;
	
u32		crtc_more_cntl;

	/* CRTC2 registers */
	
u32		crtc2_gen_cntl;
	
u32		dac2_cntl;
	
u32		disp_output_cntl;
	
u32		disp_hw_debug;
	
u32		disp2_merge_cntl;
	
u32		grph2_buffer_cntl;
	
u32		crtc2_h_total_disp;
	
u32		crtc2_h_sync_strt_wid;
	
u32		crtc2_v_total_disp;
	
u32		crtc2_v_sync_strt_wid;
	
u32		crtc2_offset;
	
u32		crtc2_offset_cntl;
	
u32		crtc2_pitch;

	/* Flat panel regs */
	
u32 		fp_crtc_h_total_disp;
	
u32		fp_crtc_v_total_disp;
	
u32		fp_gen_cntl;
	
u32		fp2_gen_cntl;
	
u32		fp_h_sync_strt_wid;
	
u32		fp2_h_sync_strt_wid;
	
u32		fp_horz_stretch;
	
u32		fp_panel_cntl;
	
u32		fp_v_sync_strt_wid;
	
u32		fp2_v_sync_strt_wid;
	
u32		fp_vert_stretch;
	
u32		lvds_gen_cntl;
	
u32		lvds_pll_cntl;
	
u32		tmds_crc;
	
u32		tmds_transmitter_cntl;

	/* Computed values for PLL */
	
u32		dot_clock_freq;
	
int		feedback_div;
	
int		post_div;	

	/* PLL registers */
	
u32		ppll_div_3;
	
u32		ppll_ref_div;
	
u32		vclk_ecp_cntl;
	
u32		clk_cntl_index;

	/* Computed values for PLL2 */
	
u32		dot_clock_freq_2;
	
int		feedback_div_2;
	
int		post_div_2;

	/* PLL2 registers */
	
u32		p2pll_ref_div;
	
u32		p2pll_div_0;
	
u32		htotal_cntl2;

       	/* Palette */
	
int		palette_valid;
};


struct panel_info {
	

int xres, yres;
	
int valid;
	
int clock;
	


int hOver_plus, hSync_width, hblank;
	


int vOver_plus, vSync_width, vblank;
	


int hAct_high, vAct_high, interlaced;
	
int pwr_delay;
	
int use_bios_dividers;
	
int ref_divider;
	
int post_divider;
	
int fbk_divider;
};

struct radeonfb_info;

#ifdef CONFIG_FB_RADEON_I2C

struct radeon_i2c_chan {
	
struct radeonfb_info		*rinfo;
	
u32		 		ddc_reg;
	
struct i2c_adapter		adapter;
	
struct i2c_algo_bit_data	algo;
};
#endif


enum radeon_pm_mode {
	
radeon_pm_none	= 0,		/* Nothing supported */
	
radeon_pm_d2	= 0x00000001,	/* Can do D2 state */
	
radeon_pm_off	= 0x00000002,	/* Can resume from D3 cold */
};


typedef void (*reinit_function_ptr)(struct radeonfb_info *rinfo);


struct radeonfb_info {
	
struct fb_info		*info;

	
struct radeon_regs 	state;
	
struct radeon_regs	init_state;

	
char			name[50];

	
unsigned long		mmio_base_phys;
	
unsigned long		fb_base_phys;

	
void __iomem		*mmio_base;
	
void __iomem		*fb_base;

	
unsigned long		fb_local_base;

	
struct pci_dev		*pdev;
#if defined(CONFIG_PPC) || defined(CONFIG_SPARC)
	
struct device_node	*of_node;
#endif

	
void __iomem		*bios_seg;
	
int			fp_bios_start;

	
u32			pseudo_palette[16];
	



struct { u8 red, green, blue, pad; }
				
palette[256];

	
int			chipset;
	
u8			family;
	
u8			rev;
	
unsigned int		errata;
	
unsigned long		video_ram;
	
unsigned long		mapped_vram;
	
int			vram_width;
	
int			vram_ddr;

	


int			pitch, bpp, depth;

	
int			has_CRTC2;
	
int			is_mobility;
	
int			is_IGP;
	
int			reversed_DAC;
	
int			reversed_TMDS;
	
struct panel_info	panel_info;
	
int			mon1_type;
	
u8			*mon1_EDID;
	
struct fb_videomode	*mon1_modedb;
	
int			mon1_dbsize;
	
int			mon2_type;
	
u8		        *mon2_EDID;

	
u32			dp_gui_master_cntl;

	
struct pll_info		pll;

	
int			wc_cookie;

	
u32			save_regs[100];
	
int			asleep;
	
int			lock_blank;
	
int			dynclk;
	
int			no_schedule;
	
enum radeon_pm_mode	pm_mode;
	
reinit_function_ptr     reinit_func;

	/* Lock on register access */
	
spinlock_t		reg_lock;

	/* Timer used for delayed LVDS operations */
	
struct timer_list	lvds_timer;
	
u32			pending_lvds_gen_cntl;

#ifdef CONFIG_FB_RADEON_I2C
	
struct radeon_i2c_chan 	i2c[4];
#endif
};



#define PRIMARY_MONITOR(rinfo)	(rinfo->mon1_type)


/*
 * IO macros
 */

void _radeon_msleep(struct radeonfb_info *rinfo, unsigned long ms);


#define INREG8(addr)		readb((rinfo->mmio_base)+addr)

#define OUTREG8(addr,val)	writeb(val, (rinfo->mmio_base)+addr)

#define INREG16(addr)		readw((rinfo->mmio_base)+addr)

#define OUTREG16(addr,val)	writew(val, (rinfo->mmio_base)+addr)

#define INREG(addr)		readl((rinfo->mmio_base)+addr)

#define OUTREG(addr,val)	writel(val, (rinfo->mmio_base)+addr)

void _OUTREGP(struct radeonfb_info *rinfo, u32 addr, u32 val, u32 mask);


#define OUTREGP(addr,val,mask)	_OUTREGP(rinfo, 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) { if (rinfo->errata & CHIP_ERRATA_PLL_DUMMYREADS) radeon_pll_errata_after_index_slow(rinfo); }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt2392.00%266.67%
Denys Vlasenko28.00%133.33%
Total25100.00%3100.00%

void radeon_pll_errata_after_data_slow(struct radeonfb_info *rinfo);
static inline void radeon_pll_errata_after_data(struct radeonfb_info *rinfo) { if (rinfo->errata & (CHIP_ERRATA_PLL_DELAY|CHIP_ERRATA_R300_CG)) radeon_pll_errata_after_data_slow(rinfo); }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt2482.76%266.67%
Denys Vlasenko517.24%133.33%
Total29100.00%3100.00%

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) __INPLL(rinfo, addr) #define OUTPLL(index, val) __OUTPLL(rinfo, index, val) #define OUTPLLP(index, val, mask) __OUTPLLP(rinfo, index, val, mask) #define BIOS_IN8(v) (readb(rinfo->bios_seg + (v))) #define BIOS_IN16(v) (readb(rinfo->bios_seg + (v)) | \ (readb(rinfo->bios_seg + (v) + 1) << 8)) #define BIOS_IN32(v) (readb(rinfo->bios_seg + (v)) | \ (readb(rinfo->bios_seg + (v) + 1) << 8) | \ (readb(rinfo->bios_seg + (v) + 2) << 16) | \ (readb(rinfo->bios_seg + (v) + 3) << 24)) /* * Inline utilities */
static inline int round_div(int num, int den) { return (num + (den / 2)) / den; }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt26100.00%1100.00%
Total26100.00%1100.00%


static inline int var_to_depth(const struct fb_var_screeninfo *var) { if (var->bits_per_pixel != 16) return var->bits_per_pixel; return (var->green.length == 5) ? 15 : 16; }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt41100.00%1100.00%
Total41100.00%1100.00%


static inline u32 radeon_get_dstbpp(u16 depth) { switch (depth) { case 8: return DST_8BPP; case 15: return DST_15BPP; case 16: return DST_16BPP; case 32: return DST_32BPP; default: return 0; } }

Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt44100.00%1100.00%
Total44100.00%1100.00%

/* * 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() _radeon_engine_idle(rinfo) #define radeon_fifo_wait(entries) _radeon_fifo_wait(rinfo,entries) #define radeon_msleep(ms) _radeon_msleep(rinfo,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 int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t state); extern int radeonfb_pci_resume(struct pci_dev *pdev); 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) {}

Contributors

PersonTokensPropCommitsCommitProp
Michael Hanselmann11100.00%1100.00%
Total11100.00%1100.00%


static inline void radeonfb_bl_exit(struct radeonfb_info *rinfo) {}

Contributors

PersonTokensPropCommitsCommitProp
Michael Hanselmann11100.00%1100.00%
Total11100.00%1100.00%

#endif #endif /* __RADEONFB_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
Benjamin Herrenschmidt141288.25%730.43%
Michael Hanselmann503.12%14.35%
David S. Miller362.25%28.70%
Denys Vlasenko332.06%14.35%
Linus Torvalds231.44%28.70%
Volker Braun211.31%14.35%
Jean Delvare140.88%28.70%
Sellout Bessie30.19%14.35%
Kevin Hao20.12%14.35%
johan henriksson20.12%14.35%
Antonino A. Daplas10.06%14.35%
Luis R. Rodriguez10.06%14.35%
Pavel Machek10.06%14.35%
Kay Sievers10.06%14.35%
Total1600100.00%23100.00%
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.