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Diffstat (limited to '')
| -rw-r--r-- | sound/soc/intel/skylake/cnl-sst-dsp.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/cnl-sst-dsp.h b/sound/soc/intel/skylake/cnl-sst-dsp.h new file mode 100644 index 000000000..09bd218df --- /dev/null +++ b/sound/soc/intel/skylake/cnl-sst-dsp.h @@ -0,0 +1,112 @@ +/* + * 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__*/ |