cregit-Linux how code gets into the kernel

Release 4.7 drivers/gpu/drm/mgag200/mgag200_drv.h

/*
 * Copyright 2010 Matt Turner.
 * Copyright 2012 Red Hat 
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License version 2. See the file COPYING in the main
 * directory of this archive for more details.
 *
 * Authors: Matthew Garrett
 *          Matt Turner
 *          Dave Airlie
 */
#ifndef __MGAG200_DRV_H__

#define __MGAG200_DRV_H__

#include <video/vga.h>

#include <drm/drm_fb_helper.h>
#include <drm/ttm/ttm_bo_api.h>
#include <drm/ttm/ttm_bo_driver.h>
#include <drm/ttm/ttm_placement.h>
#include <drm/ttm/ttm_memory.h>
#include <drm/ttm/ttm_module.h>

#include <drm/drm_gem.h>

#include <linux/i2c.h>
#include <linux/i2c-algo-bit.h>

#include "mgag200_reg.h"


#define DRIVER_AUTHOR		"Matthew Garrett"


#define DRIVER_NAME		"mgag200"

#define DRIVER_DESC		"MGA G200 SE"

#define DRIVER_DATE		"20110418"


#define DRIVER_MAJOR		1

#define DRIVER_MINOR		0

#define DRIVER_PATCHLEVEL	0


#define MGAG200FB_CONN_LIMIT 1


#define RREG8(reg) ioread8(((void __iomem *)mdev->rmmio) + (reg))

#define WREG8(reg, v) iowrite8(v, ((void __iomem *)mdev->rmmio) + (reg))

#define RREG32(reg) ioread32(((void __iomem *)mdev->rmmio) + (reg))

#define WREG32(reg, v) iowrite32(v, ((void __iomem *)mdev->rmmio) + (reg))


#define ATTR_INDEX 0x1fc0

#define ATTR_DATA 0x1fc1


#define WREG_ATTR(reg, v)					\
	do {                                                    \
                RREG8(0x1fda);                                  \
                WREG8(ATTR_INDEX, reg);                         \
                WREG8(ATTR_DATA, v);                            \
        } while (0)                                             \

#define WREG_SEQ(reg, v)                                        \
        do {                                                    \
                WREG8(MGAREG_SEQ_INDEX, reg);                   \
                WREG8(MGAREG_SEQ_DATA, v);                      \
        } while (0)                                             \

#define WREG_CRT(reg, v)                                        \
        do {                                                    \
                WREG8(MGAREG_CRTC_INDEX, reg);                  \
                WREG8(MGAREG_CRTC_DATA, v);                     \
        } while (0)                                             \


#define WREG_ECRT(reg, v)                                       \
        do {                                                    \
                WREG8(MGAREG_CRTCEXT_INDEX, reg);                               \
                WREG8(MGAREG_CRTCEXT_DATA, v);                          \
        } while (0)                                             \

#define GFX_INDEX 0x1fce

#define GFX_DATA 0x1fcf


#define WREG_GFX(reg, v)					\
	do {                                                    \
                WREG8(GFX_INDEX, reg);                          \
                WREG8(GFX_DATA, v);                             \
        } while (0)                                             \

#define DAC_INDEX 0x3c00

#define DAC_DATA 0x3c0a


#define WREG_DAC(reg, v)					\
	do {                                                    \
                WREG8(DAC_INDEX, reg);                          \
                WREG8(DAC_DATA, v);                             \
        } while (0)                                             \

#define MGA_MISC_OUT 0x1fc2

#define MGA_MISC_IN 0x1fcc


#define MGAG200_MAX_FB_HEIGHT 4096

#define MGAG200_MAX_FB_WIDTH 4096


#define MATROX_DPMS_CLEARED (-1)


#define to_mga_crtc(x) container_of(x, struct mga_crtc, base)

#define to_mga_encoder(x) container_of(x, struct mga_encoder, base)

#define to_mga_connector(x) container_of(x, struct mga_connector, base)

#define to_mga_framebuffer(x) container_of(x, struct mga_framebuffer, base)


struct mga_framebuffer {
	
struct drm_framebuffer base;
	
struct drm_gem_object *obj;
};


struct mga_fbdev {
	
struct drm_fb_helper helper;
	
struct mga_framebuffer mfb;
	
void *sysram;
	
int size;
	
struct ttm_bo_kmap_obj mapping;
	



int x1, y1, x2, y2; /* dirty rect */
	
spinlock_t dirty_lock;
};


struct mga_crtc {
	
struct drm_crtc base;
	


u8 lut_r[256], lut_g[256], lut_b[256];
	
int last_dpms;
	
bool enabled;
};


struct mga_mode_info {
	
bool mode_config_initialized;
	
struct mga_crtc *crtc;
};


struct mga_encoder {
	
struct drm_encoder base;
	
int last_dpms;
};



struct mga_i2c_chan {
	
struct i2c_adapter adapter;
	
struct drm_device *dev;
	
struct i2c_algo_bit_data bit;
	

int data, clock;
};


struct mga_connector {
	
struct drm_connector base;
	
struct mga_i2c_chan *i2c;
};


struct mga_cursor {
	/*
           We have to have 2 buffers for the cursor to avoid occasional
           corruption while switching cursor icons.
           If either of these is NULL, then don't do hardware cursors, and
           fall back to software.
        */
	
struct mgag200_bo *pixels_1;
	
struct mgag200_bo *pixels_2;
	

u64 pixels_1_gpu_addr, pixels_2_gpu_addr;
	/* The currently displayed icon, this points to one of pixels_1, or pixels_2 */
	
struct mgag200_bo *pixels_current;
	/* The previously displayed icon */
	
struct mgag200_bo *pixels_prev;
};


struct mga_mc {
	
resource_size_t			vram_size;
	
resource_size_t			vram_base;
	
resource_size_t			vram_window;
};


enum mga_type {
	
G200_SE_A,
	
G200_SE_B,
	
G200_WB,
	
G200_EV,
	
G200_EH,
	
G200_ER,
	
G200_EW3,
};


#define IS_G200_SE(mdev) (mdev->type == G200_SE_A || mdev->type == G200_SE_B)


struct mga_device {
	
struct drm_device		*dev;
	
unsigned long			flags;

	
resource_size_t			rmmio_base;
	
resource_size_t			rmmio_size;
	
void __iomem			*rmmio;

	
struct mga_mc			mc;
	
struct mga_mode_info		mode_info;

	
struct mga_fbdev *mfbdev;
	
struct mga_cursor cursor;

	
bool				suspended;
	
int				num_crtc;
	
enum mga_type			type;
	
int				has_sdram;
	
struct drm_display_mode		mode;

	
int bpp_shifts[4];

	
int fb_mtrr;

	struct {
		
struct drm_global_reference mem_global_ref;
		
struct ttm_bo_global_ref bo_global_ref;
		
struct ttm_bo_device bdev;
	} 
ttm;

	/* SE model number stored in reg 0x1e24 */
	
u32 unique_rev_id;
};



struct mgag200_bo {
	
struct ttm_buffer_object bo;
	
struct ttm_placement placement;
	
struct ttm_bo_kmap_obj kmap;
	
struct drm_gem_object gem;
	
struct ttm_place placements[3];
	
int pin_count;
};

#define gem_to_mga_bo(gobj) container_of((gobj), struct mgag200_bo, gem)


static inline struct mgag200_bo * mgag200_bo(struct ttm_buffer_object *bo) { return container_of(bo, struct mgag200_bo, bo); }

Contributors

PersonTokensPropCommitsCommitProp
dave airliedave airlie25100.00%1100.00%
Total25100.00%1100.00%

/* mgag200_crtc.c */ void mga_crtc_fb_gamma_set(struct drm_crtc *crtc, u16 red, u16 green, u16 blue, int regno); void mga_crtc_fb_gamma_get(struct drm_crtc *crtc, u16 *red, u16 *green, u16 *blue, int regno); /* mgag200_mode.c */ int mgag200_modeset_init(struct mga_device *mdev); void mgag200_modeset_fini(struct mga_device *mdev); /* mgag200_fb.c */ int mgag200_fbdev_init(struct mga_device *mdev); void mgag200_fbdev_fini(struct mga_device *mdev); /* mgag200_main.c */ int mgag200_framebuffer_init(struct drm_device *dev, struct mga_framebuffer *mfb, const struct drm_mode_fb_cmd2 *mode_cmd, struct drm_gem_object *obj); int mgag200_driver_load(struct drm_device *dev, unsigned long flags); int mgag200_driver_unload(struct drm_device *dev); int mgag200_gem_create(struct drm_device *dev, u32 size, bool iskernel, struct drm_gem_object **obj); int mgag200_dumb_create(struct drm_file *file, struct drm_device *dev, struct drm_mode_create_dumb *args); void mgag200_gem_free_object(struct drm_gem_object *obj); int mgag200_dumb_mmap_offset(struct drm_file *file, struct drm_device *dev, uint32_t handle, uint64_t *offset); /* mgag200_i2c.c */ struct mga_i2c_chan *mgag200_i2c_create(struct drm_device *dev); void mgag200_i2c_destroy(struct mga_i2c_chan *i2c); #define DRM_FILE_PAGE_OFFSET (0x100000000ULL >> PAGE_SHIFT) void mgag200_ttm_placement(struct mgag200_bo *bo, int domain);
static inline int mgag200_bo_reserve(struct mgag200_bo *bo, bool no_wait) { int ret; ret = ttm_bo_reserve(&bo->bo, true, no_wait, NULL); if (ret) { if (ret != -ERESTARTSYS && ret != -EBUSY) DRM_ERROR("reserve failed %p\n", bo); return ret; } return 0; }

Contributors

PersonTokensPropCommitsCommitProp
maarten lankhorstmaarten lankhorst5381.54%133.33%
dave airliedave airlie1116.92%133.33%
thierry redingthierry reding11.54%133.33%
Total65100.00%3100.00%


static inline void mgag200_bo_unreserve(struct mgag200_bo *bo) { ttm_bo_unreserve(&bo->bo); }

Contributors

PersonTokensPropCommitsCommitProp
maarten lankhorstmaarten lankhorst1260.00%150.00%
dave airliedave airlie840.00%150.00%
Total20100.00%2100.00%

int mgag200_bo_create(struct drm_device *dev, int size, int align, uint32_t flags, struct mgag200_bo **pastbo); int mgag200_mm_init(struct mga_device *mdev); void mgag200_mm_fini(struct mga_device *mdev); int mgag200_mmap(struct file *filp, struct vm_area_struct *vma); int mgag200_bo_pin(struct mgag200_bo *bo, u32 pl_flag, u64 *gpu_addr); int mgag200_bo_unpin(struct mgag200_bo *bo); int mgag200_bo_push_sysram(struct mgag200_bo *bo); /* mgag200_cursor.c */ int mga_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv, uint32_t handle, uint32_t width, uint32_t height); int mga_crtc_cursor_move(struct drm_crtc *crtc, int x, int y); #endif /* __MGAG200_DRV_H__ */

Overall Contributors

PersonTokensPropCommitsCommitProp
dave airliedave airlie85784.18%216.67%
christopher harveychristopher harvey797.76%216.67%
maarten lankhorstmaarten lankhorst656.39%18.33%
david howellsdavid howells60.59%18.33%
daniel vetterdaniel vetter30.29%18.33%
christian koenigchristian koenig20.20%18.33%
julia lemirejulia lemire20.20%18.33%
mathieu larouchemathieu larouche20.20%18.33%
ville syrjalaville syrjala10.10%18.33%
thierry redingthierry reding10.10%18.33%
Total1018100.00%12100.00%
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