// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) STMicroelectronics SA 2015 * Authors: Yannick Fertre <[email protected]> * Hugues Fruchet <[email protected]> */ #include <linux/clk.h> #include <linux/interrupt.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> #ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS #include <linux/seq_file.h> #endif #include "hva.h" #include "hva-hw.h" /* HVA register offsets */ #define HVA_HIF_REG_RST … #define HVA_HIF_REG_RST_ACK … #define HVA_HIF_REG_MIF_CFG … #define HVA_HIF_REG_HEC_MIF_CFG … #define HVA_HIF_REG_CFL … #define HVA_HIF_FIFO_CMD … #define HVA_HIF_FIFO_STS … #define HVA_HIF_REG_SFL … #define HVA_HIF_REG_IT_ACK … #define HVA_HIF_REG_ERR_IT_ACK … #define HVA_HIF_REG_LMI_ERR … #define HVA_HIF_REG_EMI_ERR … #define HVA_HIF_REG_HEC_MIF_ERR … #define HVA_HIF_REG_HEC_STS … #define HVA_HIF_REG_HVC_STS … #define HVA_HIF_REG_HJE_STS … #define HVA_HIF_REG_CNT … #define HVA_HIF_REG_HEC_CHKSYN_DIS … #define HVA_HIF_REG_CLK_GATING … #define HVA_HIF_REG_VERSION … #define HVA_HIF_REG_BSM … /* define value for version id register (HVA_HIF_REG_VERSION) */ #define VERSION_ID_MASK … /* define values for BSM register (HVA_HIF_REG_BSM) */ #define BSM_CFG_VAL1 … #define BSM_CFG_VAL2 … /* define values for memory interface register (HVA_HIF_REG_MIF_CFG) */ #define MIF_CFG_VAL1 … #define MIF_CFG_VAL2 … #define MIF_CFG_VAL3 … /* define value for HEC memory interface register (HVA_HIF_REG_MIF_CFG) */ #define HEC_MIF_CFG_VAL … /* Bits definition for clock gating register (HVA_HIF_REG_CLK_GATING) */ #define CLK_GATING_HVC … #define CLK_GATING_HEC … #define CLK_GATING_HJE … /* fix hva clock rate */ #define CLK_RATE … /* fix delay for pmruntime */ #define AUTOSUSPEND_DELAY_MS … /* * hw encode error values * NO_ERROR: Success, Task OK * H264_BITSTREAM_OVERSIZE: VECH264 Bitstream size > bitstream buffer * H264_FRAME_SKIPPED: VECH264 Frame skipped (refers to CPB Buffer Size) * H264_SLICE_LIMIT_SIZE: VECH264 MB > slice limit size * H264_MAX_SLICE_NUMBER: VECH264 max slice number reached * H264_SLICE_READY: VECH264 Slice ready * TASK_LIST_FULL: HVA/FPC task list full (discard latest transform command) * UNKNOWN_COMMAND: Transform command not known by HVA/FPC * WRONG_CODEC_OR_RESOLUTION: Wrong Codec or Resolution Selection * NO_INT_COMPLETION: Time-out on interrupt completion * LMI_ERR: Local Memory Interface Error * EMI_ERR: External Memory Interface Error * HECMI_ERR: HEC Memory Interface Error */ enum hva_hw_error { … }; static irqreturn_t hva_hw_its_interrupt(int irq, void *data) { … } static irqreturn_t hva_hw_its_irq_thread(int irq, void *arg) { … } static irqreturn_t hva_hw_err_interrupt(int irq, void *data) { … } static irqreturn_t hva_hw_err_irq_thread(int irq, void *arg) { … } static unsigned long int hva_hw_get_ip_version(struct hva_dev *hva) { … } int hva_hw_probe(struct platform_device *pdev, struct hva_dev *hva) { … } void hva_hw_remove(struct hva_dev *hva) { … } int hva_hw_runtime_suspend(struct device *dev) { … } int hva_hw_runtime_resume(struct device *dev) { … } int hva_hw_execute_task(struct hva_ctx *ctx, enum hva_hw_cmd_type cmd, struct hva_buffer *task) { … } #ifdef CONFIG_VIDEO_STI_HVA_DEBUGFS #define DUMP(reg) … void hva_hw_dump_regs(struct hva_dev *hva, struct seq_file *s) { … } #endif
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