104 lines
3.2 KiB
C
104 lines
3.2 KiB
C
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/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Cannonlake SST DSP Support
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*
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* Copyright (C) 2016-17, Intel Corporation.
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*/
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#ifndef __CNL_SST_DSP_H__
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#define __CNL_SST_DSP_H__
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struct sst_dsp;
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struct sst_dsp_device;
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struct sst_generic_ipc;
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/* Intel HD Audio General DSP Registers */
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#define CNL_ADSP_GEN_BASE 0x0
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#define CNL_ADSP_REG_ADSPCS (CNL_ADSP_GEN_BASE + 0x04)
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#define CNL_ADSP_REG_ADSPIC (CNL_ADSP_GEN_BASE + 0x08)
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#define CNL_ADSP_REG_ADSPIS (CNL_ADSP_GEN_BASE + 0x0c)
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/* Intel HD Audio Inter-Processor Communication Registers */
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#define CNL_ADSP_IPC_BASE 0xc0
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#define CNL_ADSP_REG_HIPCTDR (CNL_ADSP_IPC_BASE + 0x00)
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#define CNL_ADSP_REG_HIPCTDA (CNL_ADSP_IPC_BASE + 0x04)
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#define CNL_ADSP_REG_HIPCTDD (CNL_ADSP_IPC_BASE + 0x08)
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#define CNL_ADSP_REG_HIPCIDR (CNL_ADSP_IPC_BASE + 0x10)
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#define CNL_ADSP_REG_HIPCIDA (CNL_ADSP_IPC_BASE + 0x14)
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#define CNL_ADSP_REG_HIPCIDD (CNL_ADSP_IPC_BASE + 0x18)
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#define CNL_ADSP_REG_HIPCCTL (CNL_ADSP_IPC_BASE + 0x28)
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/* HIPCTDR */
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#define CNL_ADSP_REG_HIPCTDR_BUSY BIT(31)
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/* HIPCTDA */
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#define CNL_ADSP_REG_HIPCTDA_DONE BIT(31)
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/* HIPCIDR */
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#define CNL_ADSP_REG_HIPCIDR_BUSY BIT(31)
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/* HIPCIDA */
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#define CNL_ADSP_REG_HIPCIDA_DONE BIT(31)
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/* CNL HIPCCTL */
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#define CNL_ADSP_REG_HIPCCTL_DONE BIT(1)
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#define CNL_ADSP_REG_HIPCCTL_BUSY BIT(0)
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/* CNL HIPCT */
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#define CNL_ADSP_REG_HIPCT_BUSY BIT(31)
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/* Intel HD Audio SRAM Window 1 */
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#define CNL_ADSP_SRAM1_BASE 0xa0000
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#define CNL_ADSP_MMIO_LEN 0x10000
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#define CNL_ADSP_W0_STAT_SZ 0x1000
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#define CNL_ADSP_W0_UP_SZ 0x1000
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#define CNL_ADSP_W1_SZ 0x1000
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#define CNL_FW_STS_MASK 0xf
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#define CNL_ADSPIC_IPC 0x1
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#define CNL_ADSPIS_IPC 0x1
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#define CNL_DSP_CORES 4
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#define CNL_DSP_CORES_MASK ((1 << CNL_DSP_CORES) - 1)
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/* core reset - asserted high */
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#define CNL_ADSPCS_CRST_SHIFT 0
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#define CNL_ADSPCS_CRST(x) (x << CNL_ADSPCS_CRST_SHIFT)
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/* core run/stall - when set to 1 core is stalled */
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#define CNL_ADSPCS_CSTALL_SHIFT 8
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#define CNL_ADSPCS_CSTALL(x) (x << CNL_ADSPCS_CSTALL_SHIFT)
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/* set power active - when set to 1 turn core on */
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#define CNL_ADSPCS_SPA_SHIFT 16
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#define CNL_ADSPCS_SPA(x) (x << CNL_ADSPCS_SPA_SHIFT)
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/* current power active - power status of cores, set by hardware */
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#define CNL_ADSPCS_CPA_SHIFT 24
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#define CNL_ADSPCS_CPA(x) (x << CNL_ADSPCS_CPA_SHIFT)
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int cnl_dsp_enable_core(struct sst_dsp *ctx, unsigned int core);
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int cnl_dsp_disable_core(struct sst_dsp *ctx, unsigned int core);
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irqreturn_t cnl_dsp_sst_interrupt(int irq, void *dev_id);
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void cnl_dsp_free(struct sst_dsp *dsp);
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void cnl_ipc_int_enable(struct sst_dsp *ctx);
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void cnl_ipc_int_disable(struct sst_dsp *ctx);
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void cnl_ipc_op_int_enable(struct sst_dsp *ctx);
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void cnl_ipc_op_int_disable(struct sst_dsp *ctx);
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bool cnl_ipc_int_status(struct sst_dsp *ctx);
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void cnl_ipc_free(struct sst_generic_ipc *ipc);
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int cnl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
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const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
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struct skl_dev **dsp);
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int cnl_sst_init_fw(struct device *dev, struct skl_dev *skl);
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void cnl_sst_dsp_cleanup(struct device *dev, struct skl_dev *skl);
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#endif /*__CNL_SST_DSP_H__*/
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