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/*
* Cannonlake SST DSP Support
*
* Copyright (C) 2016-17, Intel Corporation.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as version 2, as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
#ifndef __CNL_SST_DSP_H__
#define __CNL_SST_DSP_H__
struct sst_dsp;
struct skl_sst;
struct sst_dsp_device;
struct sst_generic_ipc;
/* Intel HD Audio General DSP Registers */
#define CNL_ADSP_GEN_BASE 0x0
#define CNL_ADSP_REG_ADSPCS (CNL_ADSP_GEN_BASE + 0x04)
#define CNL_ADSP_REG_ADSPIC (CNL_ADSP_GEN_BASE + 0x08)
#define CNL_ADSP_REG_ADSPIS (CNL_ADSP_GEN_BASE + 0x0c)
/* Intel HD Audio Inter-Processor Communication Registers */
#define CNL_ADSP_IPC_BASE 0xc0
#define CNL_ADSP_REG_HIPCTDR (CNL_ADSP_IPC_BASE + 0x00)
#define CNL_ADSP_REG_HIPCTDA (CNL_ADSP_IPC_BASE + 0x04)
#define CNL_ADSP_REG_HIPCTDD (CNL_ADSP_IPC_BASE + 0x08)
#define CNL_ADSP_REG_HIPCIDR (CNL_ADSP_IPC_BASE + 0x10)
#define CNL_ADSP_REG_HIPCIDA (CNL_ADSP_IPC_BASE + 0x14)
#define CNL_ADSP_REG_HIPCIDD (CNL_ADSP_IPC_BASE + 0x18)
#define CNL_ADSP_REG_HIPCCTL (CNL_ADSP_IPC_BASE + 0x28)
/* HIPCTDR */
#define CNL_ADSP_REG_HIPCTDR_BUSY BIT(31)
/* HIPCTDA */
#define CNL_ADSP_REG_HIPCTDA_DONE BIT(31)
/* HIPCIDR */
#define CNL_ADSP_REG_HIPCIDR_BUSY BIT(31)
/* HIPCIDA */
#define CNL_ADSP_REG_HIPCIDA_DONE BIT(31)
/* CNL HIPCCTL */
#define CNL_ADSP_REG_HIPCCTL_DONE BIT(1)
#define CNL_ADSP_REG_HIPCCTL_BUSY BIT(0)
/* CNL HIPCT */
#define CNL_ADSP_REG_HIPCT_BUSY BIT(31)
/* Intel HD Audio SRAM Window 1 */
#define CNL_ADSP_SRAM1_BASE 0xa0000
#define CNL_ADSP_MMIO_LEN 0x10000
#define CNL_ADSP_W0_STAT_SZ 0x1000
#define CNL_ADSP_W0_UP_SZ 0x1000
#define CNL_ADSP_W1_SZ 0x1000
#define CNL_FW_STS_MASK 0xf
#define CNL_ADSPIC_IPC 0x1
#define CNL_ADSPIS_IPC 0x1
#define CNL_DSP_CORES 4
#define CNL_DSP_CORES_MASK ((1 << CNL_DSP_CORES) - 1)
/* core reset - asserted high */
#define CNL_ADSPCS_CRST_SHIFT 0
#define CNL_ADSPCS_CRST(x) (x << CNL_ADSPCS_CRST_SHIFT)
/* core run/stall - when set to 1 core is stalled */
#define CNL_ADSPCS_CSTALL_SHIFT 8
#define CNL_ADSPCS_CSTALL(x) (x << CNL_ADSPCS_CSTALL_SHIFT)
/* set power active - when set to 1 turn core on */
#define CNL_ADSPCS_SPA_SHIFT 16
#define CNL_ADSPCS_SPA(x) (x << CNL_ADSPCS_SPA_SHIFT)
/* current power active - power status of cores, set by hardware */
#define CNL_ADSPCS_CPA_SHIFT 24
#define CNL_ADSPCS_CPA(x) (x << CNL_ADSPCS_CPA_SHIFT)
int cnl_dsp_enable_core(struct sst_dsp *ctx, unsigned int core);
int cnl_dsp_disable_core(struct sst_dsp *ctx, unsigned int core);
irqreturn_t cnl_dsp_sst_interrupt(int irq, void *dev_id);
void cnl_dsp_free(struct sst_dsp *dsp);
void cnl_ipc_int_enable(struct sst_dsp *ctx);
void cnl_ipc_int_disable(struct sst_dsp *ctx);
void cnl_ipc_op_int_enable(struct sst_dsp *ctx);
void cnl_ipc_op_int_disable(struct sst_dsp *ctx);
bool cnl_ipc_int_status(struct sst_dsp *ctx);
void cnl_ipc_free(struct sst_generic_ipc *ipc);
int cnl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
const char *fw_name, struct skl_dsp_loader_ops dsp_ops,
struct skl_sst **dsp);
int cnl_sst_init_fw(struct device *dev, struct skl_sst *ctx);
void cnl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx);
#endif /*__CNL_SST_DSP_H__*/
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