| /* |
| * Copyright(c) 2011-2016 Intel Corporation. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice (including the next |
| * paragraph) shall be included in all copies or substantial portions of the |
| * Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| * SOFTWARE. |
| * |
| * Authors: |
| * Kevin Tian <kevin.tian@intel.com> |
| * Zhi Wang <zhi.a.wang@intel.com> |
| * |
| * Contributors: |
| * Min he <min.he@intel.com> |
| * |
| */ |
| |
| #ifndef _GVT_INTERRUPT_H_ |
| #define _GVT_INTERRUPT_H_ |
| |
| #include <linux/types.h> |
| |
| enum intel_gvt_event_type { |
| RCS_MI_USER_INTERRUPT = 0, |
| RCS_DEBUG, |
| RCS_MMIO_SYNC_FLUSH, |
| RCS_CMD_STREAMER_ERR, |
| RCS_PIPE_CONTROL, |
| RCS_L3_PARITY_ERR, |
| RCS_WATCHDOG_EXCEEDED, |
| RCS_PAGE_DIRECTORY_FAULT, |
| RCS_AS_CONTEXT_SWITCH, |
| RCS_MONITOR_BUFF_HALF_FULL, |
| |
| VCS_MI_USER_INTERRUPT, |
| VCS_MMIO_SYNC_FLUSH, |
| VCS_CMD_STREAMER_ERR, |
| VCS_MI_FLUSH_DW, |
| VCS_WATCHDOG_EXCEEDED, |
| VCS_PAGE_DIRECTORY_FAULT, |
| VCS_AS_CONTEXT_SWITCH, |
| |
| VCS2_MI_USER_INTERRUPT, |
| VCS2_MI_FLUSH_DW, |
| VCS2_AS_CONTEXT_SWITCH, |
| |
| BCS_MI_USER_INTERRUPT, |
| BCS_MMIO_SYNC_FLUSH, |
| BCS_CMD_STREAMER_ERR, |
| BCS_MI_FLUSH_DW, |
| BCS_PAGE_DIRECTORY_FAULT, |
| BCS_AS_CONTEXT_SWITCH, |
| |
| VECS_MI_USER_INTERRUPT, |
| VECS_MI_FLUSH_DW, |
| VECS_AS_CONTEXT_SWITCH, |
| |
| PIPE_A_FIFO_UNDERRUN, |
| PIPE_B_FIFO_UNDERRUN, |
| PIPE_A_CRC_ERR, |
| PIPE_B_CRC_ERR, |
| PIPE_A_CRC_DONE, |
| PIPE_B_CRC_DONE, |
| PIPE_A_ODD_FIELD, |
| PIPE_B_ODD_FIELD, |
| PIPE_A_EVEN_FIELD, |
| PIPE_B_EVEN_FIELD, |
| PIPE_A_LINE_COMPARE, |
| PIPE_B_LINE_COMPARE, |
| PIPE_C_LINE_COMPARE, |
| PIPE_A_VBLANK, |
| PIPE_B_VBLANK, |
| PIPE_C_VBLANK, |
| PIPE_A_VSYNC, |
| PIPE_B_VSYNC, |
| PIPE_C_VSYNC, |
| PRIMARY_A_FLIP_DONE, |
| PRIMARY_B_FLIP_DONE, |
| PRIMARY_C_FLIP_DONE, |
| SPRITE_A_FLIP_DONE, |
| SPRITE_B_FLIP_DONE, |
| SPRITE_C_FLIP_DONE, |
| |
| PCU_THERMAL, |
| PCU_PCODE2DRIVER_MAILBOX, |
| |
| DPST_PHASE_IN, |
| DPST_HISTOGRAM, |
| GSE, |
| DP_A_HOTPLUG, |
| AUX_CHANNEL_A, |
| PERF_COUNTER, |
| POISON, |
| GTT_FAULT, |
| ERROR_INTERRUPT_COMBINED, |
| |
| FDI_RX_INTERRUPTS_TRANSCODER_A, |
| AUDIO_CP_CHANGE_TRANSCODER_A, |
| AUDIO_CP_REQUEST_TRANSCODER_A, |
| FDI_RX_INTERRUPTS_TRANSCODER_B, |
| AUDIO_CP_CHANGE_TRANSCODER_B, |
| AUDIO_CP_REQUEST_TRANSCODER_B, |
| FDI_RX_INTERRUPTS_TRANSCODER_C, |
| AUDIO_CP_CHANGE_TRANSCODER_C, |
| AUDIO_CP_REQUEST_TRANSCODER_C, |
| ERR_AND_DBG, |
| GMBUS, |
| SDVO_B_HOTPLUG, |
| CRT_HOTPLUG, |
| DP_B_HOTPLUG, |
| DP_C_HOTPLUG, |
| DP_D_HOTPLUG, |
| AUX_CHANNEL_B, |
| AUX_CHANNEL_C, |
| AUX_CHANNEL_D, |
| AUDIO_POWER_STATE_CHANGE_B, |
| AUDIO_POWER_STATE_CHANGE_C, |
| AUDIO_POWER_STATE_CHANGE_D, |
| |
| INTEL_GVT_EVENT_RESERVED, |
| INTEL_GVT_EVENT_MAX, |
| }; |
| |
| struct intel_gvt_irq; |
| struct intel_gvt; |
| struct intel_vgpu; |
| |
| typedef void (*gvt_event_virt_handler_t)(struct intel_gvt_irq *irq, |
| enum intel_gvt_event_type event, struct intel_vgpu *vgpu); |
| |
| struct intel_gvt_irq_ops { |
| void (*init_irq)(struct intel_gvt_irq *irq); |
| void (*check_pending_irq)(struct intel_vgpu *vgpu); |
| }; |
| |
| /* the list of physical interrupt control register groups */ |
| enum intel_gvt_irq_type { |
| INTEL_GVT_IRQ_INFO_GT, |
| INTEL_GVT_IRQ_INFO_DPY, |
| INTEL_GVT_IRQ_INFO_PCH, |
| INTEL_GVT_IRQ_INFO_PM, |
| |
| INTEL_GVT_IRQ_INFO_MASTER, |
| INTEL_GVT_IRQ_INFO_GT0, |
| INTEL_GVT_IRQ_INFO_GT1, |
| INTEL_GVT_IRQ_INFO_GT2, |
| INTEL_GVT_IRQ_INFO_GT3, |
| INTEL_GVT_IRQ_INFO_DE_PIPE_A, |
| INTEL_GVT_IRQ_INFO_DE_PIPE_B, |
| INTEL_GVT_IRQ_INFO_DE_PIPE_C, |
| INTEL_GVT_IRQ_INFO_DE_PORT, |
| INTEL_GVT_IRQ_INFO_DE_MISC, |
| INTEL_GVT_IRQ_INFO_AUD, |
| INTEL_GVT_IRQ_INFO_PCU, |
| |
| INTEL_GVT_IRQ_INFO_MAX, |
| }; |
| |
| #define INTEL_GVT_IRQ_BITWIDTH 32 |
| |
| /* device specific interrupt bit definitions */ |
| struct intel_gvt_irq_info { |
| char *name; |
| i915_reg_t reg_base; |
| enum intel_gvt_event_type bit_to_event[INTEL_GVT_IRQ_BITWIDTH]; |
| unsigned long warned; |
| int group; |
| DECLARE_BITMAP(downstream_irq_bitmap, INTEL_GVT_IRQ_BITWIDTH); |
| bool has_upstream_irq; |
| }; |
| |
| /* per-event information */ |
| struct intel_gvt_event_info { |
| int bit; /* map to register bit */ |
| int policy; /* forwarding policy */ |
| struct intel_gvt_irq_info *info; /* register info */ |
| gvt_event_virt_handler_t v_handler; /* for v_event */ |
| }; |
| |
| struct intel_gvt_irq_map { |
| int up_irq_group; |
| int up_irq_bit; |
| int down_irq_group; |
| u32 down_irq_bitmask; |
| }; |
| |
| struct intel_gvt_vblank_timer { |
| struct hrtimer timer; |
| u64 period; |
| }; |
| |
| /* structure containing device specific IRQ state */ |
| struct intel_gvt_irq { |
| struct intel_gvt_irq_ops *ops; |
| struct intel_gvt_irq_info *info[INTEL_GVT_IRQ_INFO_MAX]; |
| DECLARE_BITMAP(irq_info_bitmap, INTEL_GVT_IRQ_INFO_MAX); |
| struct intel_gvt_event_info events[INTEL_GVT_EVENT_MAX]; |
| DECLARE_BITMAP(pending_events, INTEL_GVT_EVENT_MAX); |
| struct intel_gvt_irq_map *irq_map; |
| struct intel_gvt_vblank_timer vblank_timer; |
| }; |
| |
| int intel_gvt_init_irq(struct intel_gvt *gvt); |
| void intel_gvt_clean_irq(struct intel_gvt *gvt); |
| |
| void intel_vgpu_trigger_virtual_event(struct intel_vgpu *vgpu, |
| enum intel_gvt_event_type event); |
| |
| int intel_vgpu_reg_iir_handler(struct intel_vgpu *vgpu, unsigned int reg, |
| void *p_data, unsigned int bytes); |
| int intel_vgpu_reg_ier_handler(struct intel_vgpu *vgpu, |
| unsigned int reg, void *p_data, unsigned int bytes); |
| int intel_vgpu_reg_master_irq_handler(struct intel_vgpu *vgpu, |
| unsigned int reg, void *p_data, unsigned int bytes); |
| int intel_vgpu_reg_imr_handler(struct intel_vgpu *vgpu, |
| unsigned int reg, void *p_data, unsigned int bytes); |
| |
| int gvt_ring_id_to_pipe_control_notify_event(int ring_id); |
| int gvt_ring_id_to_mi_flush_dw_event(int ring_id); |
| int gvt_ring_id_to_mi_user_interrupt_event(int ring_id); |
| |
| #endif /* _GVT_INTERRUPT_H_ */ |
