contrib/alpine-hal/al_hal_iofic.c

51 int al_iofic_config(void __iomem *regs_base, int group, uint32_t flags)
56 	al_assert(group < AL_IOFIC_MAX_GROUPS);
58 	al_reg_write32(&regs->ctrl[group].int_control_grp, flags);
64  * configure the moderation timer resolution for a given group
66 int al_iofic_moder_res_config(void __iomem *regs_base, int group,
74 	al_assert(group < AL_IOFIC_MAX_GROUPS);
76 	reg = al_reg_read32(&regs->ctrl[group].int_control_grp);
81 	al_reg_write32(&regs->ctrl[group].int_control_grp, reg);
87  * configure the moderation timer interval for a given legacy interrupt group
89 int al_iofic_legacy_moder_interval_config(void __iomem *regs_base, int group,
96 	al_assert(group < AL_IOFIC_MAX_GROUPS);
98 	reg = al_reg_read32(&regs->ctrl[group].int_control_grp);
103 	al_reg_write32(&regs->ctrl[group].int_control_grp, reg);
112 int al_iofic_msix_moder_interval_config(void __iomem *regs_base, int group,
119 	al_assert(group < AL_IOFIC_MAX_GROUPS);
121 	reg = al_reg_read32(&regs->grp_int_mod[group][vector].grp_int_mod_reg);
126 	al_reg_write32(&regs->grp_int_mod[group][vector].grp_int_mod_reg, reg);
134 int al_iofic_msix_vmid_attributes_config(void __iomem *regs_base, int group,
141 	al_assert(group < AL_IOFIC_MAX_GROUPS);
151 	al_reg_write32(&regs->grp_int_mod[group][vector].grp_int_vmid_reg, reg);
157  * return the offset of the unmask register for a given group
159 uint32_t __iomem * al_iofic_unmask_offset_get(void __iomem *regs_base, int group)
164 	al_assert(group < AL_IOFIC_MAX_GROUPS);
166 	return &regs->ctrl[group].int_mask_clear_grp;
171  * unmask specific interrupts for a given group
173 void al_iofic_unmask(void __iomem *regs_base, int group, uint32_t mask)
178 	al_assert(group < AL_IOFIC_MAX_GROUPS);
184 	al_reg_write32_relaxed(&regs->ctrl[group].int_mask_clear_grp, ~mask);
188  * mask specific interrupts for a given group
190 void al_iofic_mask(void __iomem *regs_base, int group, uint32_t mask)
196 	al_assert(group < AL_IOFIC_MAX_GROUPS);
198 	reg = al_reg_read32(&regs->ctrl[group].int_mask_grp);
200 	al_reg_write32(&regs->ctrl[group].int_mask_grp, reg | mask);
204  * read the mask for a given group
206 uint32_t al_iofic_read_mask(void __iomem *regs_base, int group)
211 	al_assert(group < AL_IOFIC_MAX_GROUPS);
213 	return al_reg_read32(&regs->ctrl[group].int_mask_grp);
217  * read interrupt cause register for a given group
219 uint32_t al_iofic_read_cause(void __iomem *regs_base, int group)
224 	al_assert(group < AL_IOFIC_MAX_GROUPS);
226 	return al_reg_read32(&regs->ctrl[group].int_cause_grp);
230  * clear bits in the interrupt cause register for a given group
232 void al_iofic_clear_cause(void __iomem *regs_base, int group, uint32_t mask)
237 	al_assert(group < AL_IOFIC_MAX_GROUPS);
240 	al_reg_write32(&regs->ctrl[group].int_cause_grp, ~mask);
244  * Set the cause register for a given group
246 void al_iofic_set_cause(void __iomem *regs_base, int group, uint32_t mask)
251 	al_assert(group < AL_IOFIC_MAX_GROUPS);
253 	al_reg_write32(&regs->ctrl[group].int_cause_set_grp, mask);
258  * unmask specific interrupts from aborting the udma a given group
260 void al_iofic_abort_mask(void __iomem *regs_base, int group, uint32_t mask)
265 	al_assert(group < AL_IOFIC_MAX_GROUPS);
267 	al_reg_write32(&regs->ctrl[group].int_abort_msk_grp, mask);
274 void al_iofic_interrupt_moderation_reset(void __iomem *regs_base, int group)
280 	al_assert(group < AL_IOFIC_MAX_GROUPS);
283 	al_assert(group < AL_IOFIC_MAX_GROUPS);
285 	reg = al_reg_read32(&regs->ctrl[group].int_control_grp);
288 	al_reg_write32(&regs->ctrl[group].int_control_grp, reg);
291 /** @} end of interrupt controller group */