diff options
Diffstat (limited to 'drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h')
-rw-r--r-- | drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h new file mode 100644 index 000000000..464439554 --- /dev/null +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_interrupts.h @@ -0,0 +1,77 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. + */ + +#ifndef _DPU_HW_INTERRUPTS_H +#define _DPU_HW_INTERRUPTS_H + +#include <linux/types.h> + +#include "dpu_hwio.h" +#include "dpu_hw_catalog.h" +#include "dpu_hw_util.h" +#include "dpu_hw_mdss.h" + +/* When making changes be sure to sync with dpu_intr_set */ +enum dpu_hw_intr_reg { + MDP_SSPP_TOP0_INTR, + MDP_SSPP_TOP0_INTR2, + MDP_SSPP_TOP0_HIST_INTR, + MDP_INTF0_INTR, + MDP_INTF1_INTR, + MDP_INTF2_INTR, + MDP_INTF3_INTR, + MDP_INTF4_INTR, + MDP_INTF5_INTR, + MDP_AD4_0_INTR, + MDP_AD4_1_INTR, + MDP_INTF0_7xxx_INTR, + MDP_INTF1_7xxx_INTR, + MDP_INTF2_7xxx_INTR, + MDP_INTF3_7xxx_INTR, + MDP_INTF4_7xxx_INTR, + MDP_INTF5_7xxx_INTR, + MDP_INTR_MAX, +}; + +#define DPU_IRQ_IDX(reg_idx, offset) (reg_idx * 32 + offset) + +/** + * struct dpu_hw_intr: hw interrupts handling data structure + * @hw: virtual address mapping + * @ops: function pointer mapping for IRQ handling + * @cache_irq_mask: array of IRQ enable masks reg storage created during init + * @save_irq_status: array of IRQ status reg storage created during init + * @total_irqs: total number of irq_idx mapped in the hw_interrupts + * @irq_lock: spinlock for accessing IRQ resources + * @irq_cb_tbl: array of IRQ callbacks + */ +struct dpu_hw_intr { + struct dpu_hw_blk_reg_map hw; + u32 cache_irq_mask[MDP_INTR_MAX]; + u32 *save_irq_status; + u32 total_irqs; + spinlock_t irq_lock; + unsigned long irq_mask; + + struct { + void (*cb)(void *arg, int irq_idx); + void *arg; + atomic_t count; + } irq_tbl[]; +}; + +/** + * dpu_hw_intr_init(): Initializes the interrupts hw object + * @addr: mapped register io address of MDP + * @m : pointer to mdss catalog data + */ +struct dpu_hw_intr *dpu_hw_intr_init(void __iomem *addr, + const struct dpu_mdss_cfg *m); + +/** + * dpu_hw_intr_destroy(): Cleanup interrutps hw object + * @intr: pointer to interrupts hw object + */ +void dpu_hw_intr_destroy(struct dpu_hw_intr *intr); +#endif |