diff options
Diffstat (limited to 'drivers/gpu/drm/xe/regs/xe_reg_defs.h')
| -rw-r--r-- | drivers/gpu/drm/xe/regs/xe_reg_defs.h | 28 |
1 files changed, 13 insertions, 15 deletions
diff --git a/drivers/gpu/drm/xe/regs/xe_reg_defs.h b/drivers/gpu/drm/xe/regs/xe_reg_defs.h index 0eedd6c26b1b..c39aab843e35 100644 --- a/drivers/gpu/drm/xe/regs/xe_reg_defs.h +++ b/drivers/gpu/drm/xe/regs/xe_reg_defs.h @@ -7,10 +7,22 @@ #define _XE_REG_DEFS_H_ #include <linux/build_bug.h> +#include <linux/log2.h> +#include <linux/sizes.h> #include "compat-i915-headers/i915_reg_defs.h" /** + * XE_REG_ADDR_MAX - The upper limit on MMIO register address + * + * This macro specifies the upper limit (not inclusive) on MMIO register offset + * supported by struct xe_reg and functions based on struct xe_mmio. + * + * Currently this is defined as 4 MiB. + */ +#define XE_REG_ADDR_MAX SZ_4M + +/** * struct xe_reg - Register definition * * Register definition to be used by the individual register. Although the same @@ -21,7 +33,7 @@ struct xe_reg { union { struct { /** @addr: address */ - u32 addr:28; + u32 addr:const_ilog2(XE_REG_ADDR_MAX); /** * @masked: register is "masked", with upper 16bits used * to identify the bits that are updated on the lower @@ -41,10 +53,6 @@ struct xe_reg { * @vf: register is accessible from the Virtual Function. */ u32 vf:1; - /** - * @ext: access MMIO extension space for current register. - */ - u32 ext:1; }; /** @raw: Raw value with both address and options */ u32 raw; @@ -112,16 +120,6 @@ struct xe_reg_mcr { #define XE_REG(r_, ...) ((const struct xe_reg)XE_REG_INITIALIZER(r_, ##__VA_ARGS__)) /** - * XE_REG_EXT - Create a struct xe_reg from extension offset and additional - * flags - * @r_: Register extension offset - * @...: Additional options like access mode. See struct xe_reg for available - * options. - */ -#define XE_REG_EXT(r_, ...) \ - ((const struct xe_reg)XE_REG_INITIALIZER(r_, ##__VA_ARGS__, .ext = 1)) - -/** * XE_REG_MCR - Create a struct xe_reg_mcr from offset and additional flags * @r_: Register offset * @...: Additional options like access mode. See struct xe_reg for available |