diff options
Diffstat (limited to 'drivers/gpu/drm/xe/xe_mmio.h')
-rw-r--r-- | drivers/gpu/drm/xe/xe_mmio.h | 106 |
1 files changed, 22 insertions, 84 deletions
diff --git a/drivers/gpu/drm/xe/xe_mmio.h b/drivers/gpu/drm/xe/xe_mmio.h index 98de5c13c89b..c151ba569003 100644 --- a/drivers/gpu/drm/xe/xe_mmio.h +++ b/drivers/gpu/drm/xe/xe_mmio.h @@ -6,102 +6,40 @@ #ifndef _XE_MMIO_H_ #define _XE_MMIO_H_ -#include <linux/delay.h> -#include <linux/io-64-nonatomic-lo-hi.h> - -#include "regs/xe_reg_defs.h" -#include "xe_device_types.h" -#include "xe_gt_printk.h" #include "xe_gt_types.h" -struct drm_device; -struct drm_file; struct xe_device; +struct xe_reg; -#define LMEM_BAR 2 - -int xe_mmio_init(struct xe_device *xe); -int xe_mmio_root_tile_init(struct xe_device *xe); -void xe_mmio_probe_tiles(struct xe_device *xe); - -static inline u8 xe_mmio_read8(struct xe_gt *gt, struct xe_reg reg) -{ - struct xe_tile *tile = gt_to_tile(gt); - - if (reg.addr < gt->mmio.adj_limit) - reg.addr += gt->mmio.adj_offset; - - return readb((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + reg.addr); -} - -static inline u16 xe_mmio_read16(struct xe_gt *gt, struct xe_reg reg) -{ - struct xe_tile *tile = gt_to_tile(gt); - - if (reg.addr < gt->mmio.adj_limit) - reg.addr += gt->mmio.adj_offset; - - return readw((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + reg.addr); -} - -static inline void xe_mmio_write32(struct xe_gt *gt, - struct xe_reg reg, u32 val) -{ - struct xe_tile *tile = gt_to_tile(gt); - - if (reg.addr < gt->mmio.adj_limit) - reg.addr += gt->mmio.adj_offset; - - writel(val, (reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + reg.addr); -} - -static inline u32 xe_mmio_read32(struct xe_gt *gt, struct xe_reg reg) -{ - struct xe_tile *tile = gt_to_tile(gt); - - if (reg.addr < gt->mmio.adj_limit) - reg.addr += gt->mmio.adj_offset; - - return readl((reg.ext ? tile->mmio_ext.regs : tile->mmio.regs) + reg.addr); -} +int xe_mmio_probe_early(struct xe_device *xe); +int xe_mmio_probe_tiles(struct xe_device *xe); -static inline u32 xe_mmio_rmw32(struct xe_gt *gt, struct xe_reg reg, u32 clr, - u32 set) -{ - u32 old, reg_val; +void xe_mmio_init(struct xe_mmio *mmio, struct xe_tile *tile, void __iomem *ptr, u32 size); - old = xe_mmio_read32(gt, reg); - reg_val = (old & ~clr) | set; - xe_mmio_write32(gt, reg, reg_val); +u8 xe_mmio_read8(struct xe_mmio *mmio, struct xe_reg reg); +u16 xe_mmio_read16(struct xe_mmio *mmio, struct xe_reg reg); +void xe_mmio_write32(struct xe_mmio *mmio, struct xe_reg reg, u32 val); +u32 xe_mmio_read32(struct xe_mmio *mmio, struct xe_reg reg); +u32 xe_mmio_rmw32(struct xe_mmio *mmio, struct xe_reg reg, u32 clr, u32 set); +int xe_mmio_write32_and_verify(struct xe_mmio *mmio, struct xe_reg reg, u32 val, u32 mask, u32 eval); +bool xe_mmio_in_range(const struct xe_mmio *mmio, const struct xe_mmio_range *range, struct xe_reg reg); - return old; -} +u64 xe_mmio_read64_2x32(struct xe_mmio *mmio, struct xe_reg reg); +int xe_mmio_wait32(struct xe_mmio *mmio, struct xe_reg reg, u32 mask, u32 val, + u32 timeout_us, u32 *out_val, bool atomic); +int xe_mmio_wait32_not(struct xe_mmio *mmio, struct xe_reg reg, u32 mask, + u32 val, u32 timeout_us, u32 *out_val, bool atomic); -static inline int xe_mmio_write32_and_verify(struct xe_gt *gt, - struct xe_reg reg, u32 val, - u32 mask, u32 eval) +static inline u32 xe_mmio_adjusted_addr(const struct xe_mmio *mmio, u32 addr) { - u32 reg_val; - - xe_mmio_write32(gt, reg, val); - reg_val = xe_mmio_read32(gt, reg); - - return (reg_val & mask) != eval ? -EINVAL : 0; + if (addr < mmio->adj_limit) + addr += mmio->adj_offset; + return addr; } -static inline bool xe_mmio_in_range(const struct xe_gt *gt, - const struct xe_mmio_range *range, - struct xe_reg reg) +static inline struct xe_mmio *xe_root_tile_mmio(struct xe_device *xe) { - if (reg.addr < gt->mmio.adj_limit) - reg.addr += gt->mmio.adj_offset; - - return range && reg.addr >= range->start && reg.addr <= range->end; + return &xe->tiles[0].mmio; } -int xe_mmio_probe_vram(struct xe_device *xe); -u64 xe_mmio_read64_2x32(struct xe_gt *gt, struct xe_reg reg); -int xe_mmio_wait32(struct xe_gt *gt, struct xe_reg reg, u32 mask, u32 val, u32 timeout_us, - u32 *out_val, bool atomic); - #endif |