diff options
Diffstat (limited to 'drivers/gpu/drm/ast/ast_drv.h')
| -rw-r--r-- | drivers/gpu/drm/ast/ast_drv.h | 101 |
1 files changed, 74 insertions, 27 deletions
diff --git a/drivers/gpu/drm/ast/ast_drv.h b/drivers/gpu/drm/ast/ast_drv.h index 772f3b049..3be5ccf1f 100644 --- a/drivers/gpu/drm/ast/ast_drv.h +++ b/drivers/gpu/drm/ast/ast_drv.h @@ -98,6 +98,12 @@ enum ast_tx_chip { #define AST_TX_DP501_BIT BIT(AST_TX_DP501) #define AST_TX_ASTDP_BIT BIT(AST_TX_ASTDP) +enum ast_config_mode { + ast_use_p2a, + ast_use_dt, + ast_use_defaults +}; + #define AST_DRAM_512Mx16 0 #define AST_DRAM_1Gx16 1 #define AST_DRAM_512Mx32 2 @@ -192,12 +198,13 @@ to_ast_bmc_connector(struct drm_connector *connector) struct ast_device { struct drm_device base; - struct mutex ioregs_lock; /* Protects access to I/O registers in ioregs */ void __iomem *regs; void __iomem *ioregs; void __iomem *dp501_fw_buf; + enum ast_config_mode config_mode; enum ast_chip chip; + uint32_t dram_bus_width; uint32_t dram_type; uint32_t mclk; @@ -207,6 +214,8 @@ struct ast_device { unsigned long vram_size; unsigned long vram_fb_available; + struct mutex modeset_lock; /* Protects access to modeset I/O registers in ioregs */ + struct ast_plane primary_plane; struct ast_plane cursor_plane; struct drm_crtc crtc; @@ -234,11 +243,6 @@ struct ast_device { } output; bool support_wide_screen; - enum { - ast_use_p2a, - ast_use_dt, - ast_use_defaults - } config_mode; unsigned long tx_chip_types; /* bitfield of enum ast_chip_type */ u8 *dp501_fw_addr; @@ -250,9 +254,13 @@ static inline struct ast_device *to_ast_device(struct drm_device *dev) return container_of(dev, struct ast_device, base); } -struct ast_device *ast_device_create(const struct drm_driver *drv, - struct pci_dev *pdev, - unsigned long flags); +struct drm_device *ast_device_create(struct pci_dev *pdev, + const struct drm_driver *drv, + enum ast_chip chip, + enum ast_config_mode config_mode, + void __iomem *regs, + void __iomem *ioregs, + bool need_post); static inline unsigned long __ast_gen(struct ast_device *ast) { @@ -272,55 +280,94 @@ static inline bool __ast_gen_is_eq(struct ast_device *ast, unsigned long gen) #define IS_AST_GEN6(__ast) __ast_gen_is_eq(__ast, 6) #define IS_AST_GEN7(__ast) __ast_gen_is_eq(__ast, 7) +static inline u8 __ast_read8(const void __iomem *addr, u32 reg) +{ + return ioread8(addr + reg); +} + +static inline u32 __ast_read32(const void __iomem *addr, u32 reg) +{ + return ioread32(addr + reg); +} + +static inline void __ast_write8(void __iomem *addr, u32 reg, u8 val) +{ + iowrite8(val, addr + reg); +} + +static inline void __ast_write32(void __iomem *addr, u32 reg, u32 val) +{ + iowrite32(val, addr + reg); +} + +static inline u8 __ast_read8_i(void __iomem *addr, u32 reg, u8 index) +{ + __ast_write8(addr, reg, index); + return __ast_read8(addr, reg + 1); +} + +static inline u8 __ast_read8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask) +{ + u8 val = __ast_read8_i(addr, reg, index); + + return val & read_mask; +} + +static inline void __ast_write8_i(void __iomem *addr, u32 reg, u8 index, u8 val) +{ + __ast_write8(addr, reg, index); + __ast_write8(addr, reg + 1, val); +} + +static inline void __ast_write8_i_masked(void __iomem *addr, u32 reg, u8 index, u8 read_mask, + u8 val) +{ + u8 tmp = __ast_read8_i_masked(addr, reg, index, read_mask); + + tmp |= val; + __ast_write8_i(addr, reg, index, tmp); +} + static inline u32 ast_read32(struct ast_device *ast, u32 reg) { - return ioread32(ast->regs + reg); + return __ast_read32(ast->regs, reg); } static inline void ast_write32(struct ast_device *ast, u32 reg, u32 val) { - iowrite32(val, ast->regs + reg); + __ast_write32(ast->regs, reg, val); } static inline u8 ast_io_read8(struct ast_device *ast, u32 reg) { - return ioread8(ast->ioregs + reg); + return __ast_read8(ast->ioregs, reg); } static inline void ast_io_write8(struct ast_device *ast, u32 reg, u8 val) { - iowrite8(val, ast->ioregs + reg); + __ast_write8(ast->ioregs, reg, val); } static inline u8 ast_get_index_reg(struct ast_device *ast, u32 base, u8 index) { - ast_io_write8(ast, base, index); - ++base; - return ast_io_read8(ast, base); + return __ast_read8_i(ast->ioregs, base, index); } static inline u8 ast_get_index_reg_mask(struct ast_device *ast, u32 base, u8 index, u8 preserve_mask) { - u8 val = ast_get_index_reg(ast, base, index); - - return val & preserve_mask; + return __ast_read8_i_masked(ast->ioregs, base, index, preserve_mask); } static inline void ast_set_index_reg(struct ast_device *ast, u32 base, u8 index, u8 val) { - ast_io_write8(ast, base, index); - ++base; - ast_io_write8(ast, base, val); + __ast_write8_i(ast->ioregs, base, index, val); } static inline void ast_set_index_reg_mask(struct ast_device *ast, u32 base, u8 index, u8 preserve_mask, u8 val) { - u8 tmp = ast_get_index_reg_mask(ast, base, index, preserve_mask); - - tmp |= val; - ast_set_index_reg(ast, base, index, tmp); + __ast_write8_i_masked(ast->ioregs, base, index, preserve_mask, val); } #define AST_VIDMEM_SIZE_8M 0x00800000 @@ -442,7 +489,7 @@ int ast_mm_init(struct ast_device *ast); void ast_post_gpu(struct drm_device *dev); u32 ast_mindwm(struct ast_device *ast, u32 r); void ast_moutdwm(struct ast_device *ast, u32 r, u32 v); -void ast_patch_ahb_2500(struct ast_device *ast); +void ast_patch_ahb_2500(void __iomem *regs); /* ast dp501 */ void ast_set_dp501_video_output(struct drm_device *dev, u8 mode); bool ast_backup_fw(struct drm_device *dev, u8 *addr, u32 size); 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