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243 lines
7.5 KiB
243 lines
7.5 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* (C) COPYRIGHT 2018 ARM Limited. All rights reserved. |
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* Author: James.Qian.Wang <[email protected]> |
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* |
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*/ |
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#ifndef _KOMEDA_DEV_H_ |
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#define _KOMEDA_DEV_H_ |
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#include <linux/device.h> |
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#include <linux/clk.h> |
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#include "komeda_pipeline.h" |
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#include "malidp_product.h" |
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#include "komeda_format_caps.h" |
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#define KOMEDA_EVENT_VSYNC BIT_ULL(0) |
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#define KOMEDA_EVENT_FLIP BIT_ULL(1) |
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#define KOMEDA_EVENT_URUN BIT_ULL(2) |
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#define KOMEDA_EVENT_IBSY BIT_ULL(3) |
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#define KOMEDA_EVENT_OVR BIT_ULL(4) |
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#define KOMEDA_EVENT_EOW BIT_ULL(5) |
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#define KOMEDA_EVENT_MODE BIT_ULL(6) |
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#define KOMEDA_EVENT_FULL BIT_ULL(7) |
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#define KOMEDA_EVENT_EMPTY BIT_ULL(8) |
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#define KOMEDA_ERR_TETO BIT_ULL(14) |
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#define KOMEDA_ERR_TEMR BIT_ULL(15) |
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#define KOMEDA_ERR_TITR BIT_ULL(16) |
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#define KOMEDA_ERR_CPE BIT_ULL(17) |
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#define KOMEDA_ERR_CFGE BIT_ULL(18) |
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#define KOMEDA_ERR_AXIE BIT_ULL(19) |
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#define KOMEDA_ERR_ACE0 BIT_ULL(20) |
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#define KOMEDA_ERR_ACE1 BIT_ULL(21) |
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#define KOMEDA_ERR_ACE2 BIT_ULL(22) |
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#define KOMEDA_ERR_ACE3 BIT_ULL(23) |
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#define KOMEDA_ERR_DRIFTTO BIT_ULL(24) |
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#define KOMEDA_ERR_FRAMETO BIT_ULL(25) |
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#define KOMEDA_ERR_CSCE BIT_ULL(26) |
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#define KOMEDA_ERR_ZME BIT_ULL(27) |
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#define KOMEDA_ERR_MERR BIT_ULL(28) |
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#define KOMEDA_ERR_TCF BIT_ULL(29) |
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#define KOMEDA_ERR_TTNG BIT_ULL(30) |
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#define KOMEDA_ERR_TTF BIT_ULL(31) |
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#define KOMEDA_ERR_EVENTS \ |
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(KOMEDA_EVENT_URUN | KOMEDA_EVENT_IBSY | KOMEDA_EVENT_OVR |\ |
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KOMEDA_ERR_TETO | KOMEDA_ERR_TEMR | KOMEDA_ERR_TITR |\ |
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KOMEDA_ERR_CPE | KOMEDA_ERR_CFGE | KOMEDA_ERR_AXIE |\ |
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KOMEDA_ERR_ACE0 | KOMEDA_ERR_ACE1 | KOMEDA_ERR_ACE2 |\ |
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KOMEDA_ERR_ACE3 | KOMEDA_ERR_DRIFTTO | KOMEDA_ERR_FRAMETO |\ |
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KOMEDA_ERR_ZME | KOMEDA_ERR_MERR | KOMEDA_ERR_TCF |\ |
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KOMEDA_ERR_TTNG | KOMEDA_ERR_TTF) |
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#define KOMEDA_WARN_EVENTS \ |
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(KOMEDA_ERR_CSCE | KOMEDA_EVENT_FULL | KOMEDA_EVENT_EMPTY) |
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#define KOMEDA_INFO_EVENTS (0 \ |
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| KOMEDA_EVENT_VSYNC \ |
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| KOMEDA_EVENT_FLIP \ |
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| KOMEDA_EVENT_EOW \ |
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| KOMEDA_EVENT_MODE \ |
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) |
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/* pipeline DT ports */ |
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enum { |
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KOMEDA_OF_PORT_OUTPUT = 0, |
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KOMEDA_OF_PORT_COPROC = 1, |
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}; |
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struct komeda_chip_info { |
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u32 arch_id; |
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u32 core_id; |
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u32 core_info; |
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u32 bus_width; |
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}; |
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struct komeda_dev; |
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struct komeda_events { |
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u64 global; |
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u64 pipes[KOMEDA_MAX_PIPELINES]; |
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}; |
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/** |
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* struct komeda_dev_funcs |
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* |
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* Supplied by chip level and returned by the chip entry function xxx_identify, |
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*/ |
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struct komeda_dev_funcs { |
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/** |
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* @init_format_table: |
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* |
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* initialize &komeda_dev->format_table, this function should be called |
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* before the &enum_resource |
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*/ |
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void (*init_format_table)(struct komeda_dev *mdev); |
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/** |
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* @enum_resources: |
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* |
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* for CHIP to report or add pipeline and component resources to CORE |
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*/ |
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int (*enum_resources)(struct komeda_dev *mdev); |
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/** @cleanup: call to chip to cleanup komeda_dev->chip data */ |
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void (*cleanup)(struct komeda_dev *mdev); |
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/** @connect_iommu: Optional, connect to external iommu */ |
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int (*connect_iommu)(struct komeda_dev *mdev); |
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/** @disconnect_iommu: Optional, disconnect to external iommu */ |
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int (*disconnect_iommu)(struct komeda_dev *mdev); |
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/** |
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* @irq_handler: |
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* |
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* for CORE to get the HW event from the CHIP when interrupt happened. |
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*/ |
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irqreturn_t (*irq_handler)(struct komeda_dev *mdev, |
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struct komeda_events *events); |
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/** @enable_irq: enable irq */ |
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int (*enable_irq)(struct komeda_dev *mdev); |
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/** @disable_irq: disable irq */ |
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int (*disable_irq)(struct komeda_dev *mdev); |
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/** @on_off_vblank: notify HW to on/off vblank */ |
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void (*on_off_vblank)(struct komeda_dev *mdev, |
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int master_pipe, bool on); |
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/** @dump_register: Optional, dump registers to seq_file */ |
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void (*dump_register)(struct komeda_dev *mdev, struct seq_file *seq); |
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/** |
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* @change_opmode: |
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* |
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* Notify HW to switch to a new display operation mode. |
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*/ |
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int (*change_opmode)(struct komeda_dev *mdev, int new_mode); |
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/** @flush: Notify the HW to flush or kickoff the update */ |
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void (*flush)(struct komeda_dev *mdev, |
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int master_pipe, u32 active_pipes); |
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}; |
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/* |
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* DISPLAY_MODE describes how many display been enabled, and which will be |
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* passed to CHIP by &komeda_dev_funcs->change_opmode(), then CHIP can do the |
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* pipeline resources assignment according to this usage hint. |
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* - KOMEDA_MODE_DISP0: Only one display enabled, pipeline-0 work as master. |
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* - KOMEDA_MODE_DISP1: Only one display enabled, pipeline-0 work as master. |
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* - KOMEDA_MODE_DUAL_DISP: Dual display mode, both display has been enabled. |
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* And D71 supports assign two pipelines to one single display on mode |
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* KOMEDA_MODE_DISP0/DISP1 |
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*/ |
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enum { |
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KOMEDA_MODE_INACTIVE = 0, |
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KOMEDA_MODE_DISP0 = BIT(0), |
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KOMEDA_MODE_DISP1 = BIT(1), |
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KOMEDA_MODE_DUAL_DISP = KOMEDA_MODE_DISP0 | KOMEDA_MODE_DISP1, |
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}; |
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/** |
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* struct komeda_dev |
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* |
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* Pipeline and component are used to describe how to handle the pixel data. |
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* komeda_device is for describing the whole view of the device, and the |
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* control-abilites of device. |
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*/ |
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struct komeda_dev { |
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/** @dev: the base device structure */ |
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struct device *dev; |
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/** @reg_base: the base address of komeda io space */ |
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u32 __iomem *reg_base; |
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/** @chip: the basic chip information */ |
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struct komeda_chip_info chip; |
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/** @fmt_tbl: initialized by &komeda_dev_funcs->init_format_table */ |
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struct komeda_format_caps_table fmt_tbl; |
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/** @aclk: HW main engine clk */ |
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struct clk *aclk; |
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/** @irq: irq number */ |
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int irq; |
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/** @lock: used to protect dpmode */ |
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struct mutex lock; |
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/** @dpmode: current display mode */ |
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u32 dpmode; |
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/** @n_pipelines: the number of pipe in @pipelines */ |
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int n_pipelines; |
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/** @pipelines: the komeda pipelines */ |
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struct komeda_pipeline *pipelines[KOMEDA_MAX_PIPELINES]; |
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/** @funcs: chip funcs to access to HW */ |
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const struct komeda_dev_funcs *funcs; |
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/** |
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* @chip_data: |
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* |
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* chip data will be added by &komeda_dev_funcs.enum_resources() and |
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* destroyed by &komeda_dev_funcs.cleanup() |
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*/ |
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void *chip_data; |
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/** @iommu: iommu domain */ |
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struct iommu_domain *iommu; |
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/** @debugfs_root: root directory of komeda debugfs */ |
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struct dentry *debugfs_root; |
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/** |
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* @err_verbosity: bitmask for how much extra info to print on error |
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* |
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* See KOMEDA_DEV_* macros for details. Low byte contains the debug |
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* level categories, the high byte contains extra debug options. |
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*/ |
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u16 err_verbosity; |
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/* Print a single line per error per frame with error events. */ |
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#define KOMEDA_DEV_PRINT_ERR_EVENTS BIT(0) |
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/* Print a single line per warning per frame with error events. */ |
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#define KOMEDA_DEV_PRINT_WARN_EVENTS BIT(1) |
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/* Print a single line per info event per frame with error events. */ |
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#define KOMEDA_DEV_PRINT_INFO_EVENTS BIT(2) |
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/* Dump DRM state on an error or warning event. */ |
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#define KOMEDA_DEV_PRINT_DUMP_STATE_ON_EVENT BIT(8) |
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/* Disable rate limiting of event prints (normally one per commit) */ |
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#define KOMEDA_DEV_PRINT_DISABLE_RATELIMIT BIT(12) |
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}; |
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static inline bool |
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komeda_product_match(struct komeda_dev *mdev, u32 target) |
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{ |
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return MALIDP_CORE_ID_PRODUCT_ID(mdev->chip.core_id) == target; |
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} |
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typedef const struct komeda_dev_funcs * |
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(*komeda_identify_func)(u32 __iomem *reg, struct komeda_chip_info *chip); |
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const struct komeda_dev_funcs * |
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d71_identify(u32 __iomem *reg, struct komeda_chip_info *chip); |
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struct komeda_dev *komeda_dev_create(struct device *dev); |
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void komeda_dev_destroy(struct komeda_dev *mdev); |
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struct komeda_dev *dev_to_mdev(struct device *dev); |
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void komeda_print_events(struct komeda_events *evts, struct drm_device *dev); |
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int komeda_dev_resume(struct komeda_dev *mdev); |
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int komeda_dev_suspend(struct komeda_dev *mdev); |
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#endif /*_KOMEDA_DEV_H_*/
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