From 41b781d7d22d615c83bd8d9c25afa4abee5b1b55 Mon Sep 17 00:00:00 2001 From: Tom St Denis Date: Wed, 6 Sep 2017 08:04:10 -0400 Subject: [PATCH 0926/4131] drm/amd/powerplay: Introduction of bitmask macros for registers Signed-off-by: Tom St Denis Reviewed-by: Rex Zhu --- drivers/gpu/drm/amd/include/cgs_common.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/amd/include/cgs_common.h b/drivers/gpu/drm/amd/include/cgs_common.h index 0214f63..92eaa81 100644 --- a/drivers/gpu/drm/amd/include/cgs_common.h +++ b/drivers/gpu/drm/amd/include/cgs_common.h @@ -310,6 +310,22 @@ typedef uint32_t (*cgs_read_ind_register_t)(struct cgs_device *cgs_device, enum typedef void (*cgs_write_ind_register_t)(struct cgs_device *cgs_device, enum cgs_ind_reg space, unsigned index, uint32_t value); +#define CGS_REG_FIELD_SHIFT(reg, field) reg##__##field##__SHIFT +#define CGS_REG_FIELD_MASK(reg, field) reg##__##field##_MASK + +#define CGS_REG_SET_FIELD(orig_val, reg, field, field_val) \ + (((orig_val) & ~CGS_REG_FIELD_MASK(reg, field)) | \ + (CGS_REG_FIELD_MASK(reg, field) & ((field_val) << CGS_REG_FIELD_SHIFT(reg, field)))) + +#define CGS_REG_GET_FIELD(value, reg, field) \ + (((value) & CGS_REG_FIELD_MASK(reg, field)) >> CGS_REG_FIELD_SHIFT(reg, field)) + +#define CGS_WREG32_FIELD(device, reg, field, val) \ + cgs_write_register(device, mm##reg, (cgs_read_register(device, mm##reg) & ~CGS_REG_FIELD_MASK(reg, field)) | (val) << CGS_REG_FIELD_SHIFT(reg, field)) + +#define CGS_WREG32_FIELD_IND(device, space, reg, field, val) \ + cgs_write_ind_register(device, space, ix##reg, (cgs_read_ind_register(device, space, ix##reg) & ~CGS_REG_FIELD_MASK(reg, field)) | (val) << CGS_REG_FIELD_SHIFT(reg, field)) + /** * cgs_get_pci_resource() - provide access to a device resource (PCI BAR) * @cgs_device: opaque device handle -- 2.7.4