/* SPDX-License-Identifier: GPL-2.0-only */ /* * Intel Smart Sound Technology (SST) Core * * Copyright (C) 2013, Intel Corporation. All rights reserved. */ #ifndef __SOUND_SOC_SST_DSP_H #define __SOUND_SOC_SST_DSP_H #include #include #include /* SST Device IDs */ #define SST_DEV_ID_LYNX_POINT 0x33C8 #define SST_DEV_ID_WILDCAT_POINT 0x3438 #define SST_DEV_ID_BYT 0x0F28 /* Supported SST DMA Devices */ #define SST_DMA_TYPE_DW 1 /* autosuspend delay 5s*/ #define SST_RUNTIME_SUSPEND_DELAY (5 * 1000) /* SST Shim register map * The register naming can differ between products. Some products also * contain extra functionality. */ #define SST_CSR 0x00 #define SST_PISR 0x08 #define SST_PIMR 0x10 #define SST_ISRX 0x18 #define SST_ISRD 0x20 #define SST_IMRX 0x28 #define SST_IMRD 0x30 #define SST_IPCX 0x38 /* IPC IA -> SST */ #define SST_IPCD 0x40 /* IPC SST -> IA */ #define SST_ISRSC 0x48 #define SST_ISRLPESC 0x50 #define SST_IMRSC 0x58 #define SST_IMRLPESC 0x60 #define SST_IPCSC 0x68 #define SST_IPCLPESC 0x70 #define SST_CLKCTL 0x78 #define SST_CSR2 0x80 #define SST_LTRC 0xE0 #define SST_HMDC 0xE8 #define SST_SHIM_BEGIN SST_CSR #define SST_SHIM_END SST_HDMC #define SST_DBGO 0xF0 #define SST_SHIM_SIZE 0x100 #define SST_PWMCTRL 0x1000 /* SST Shim Register bits * The register bit naming can differ between products. Some products also * contain extra functionality. */ /* CSR / CS */ #define SST_CSR_RST (0x1 << 1) #define SST_CSR_SBCS0 (0x1 << 2) #define SST_CSR_SBCS1 (0x1 << 3) #define SST_CSR_DCS(x) (x << 4) #define SST_CSR_DCS_MASK (0x7 << 4) #define SST_CSR_STALL (0x1 << 10) #define SST_CSR_S0IOCS (0x1 << 21) #define SST_CSR_S1IOCS (0x1 << 23) #define SST_CSR_LPCS (0x1 << 31) #define SST_CSR_24MHZ_LPCS (SST_CSR_SBCS0 | SST_CSR_SBCS1 | SST_CSR_LPCS) #define SST_CSR_24MHZ_NO_LPCS (SST_CSR_SBCS0 | SST_CSR_SBCS1) #define SST_BYT_CSR_RST (0x1 << 0) #define SST_BYT_CSR_VECTOR_SEL (0x1 << 1) #define SST_BYT_CSR_STALL (0x1 << 2) #define SST_BYT_CSR_PWAITMODE (0x1 << 3) /* ISRX / ISC */ #define SST_ISRX_BUSY (0x1 << 1) #define SST_ISRX_DONE (0x1 << 0) #define SST_BYT_ISRX_REQUEST (0x1 << 1) /* ISRD / ISD */ #define SST_ISRD_BUSY (0x1 << 1) #define SST_ISRD_DONE (0x1 << 0) /* IMRX / IMC */ #define SST_IMRX_BUSY (0x1 << 1) #define SST_IMRX_DONE (0x1 << 0) #define SST_BYT_IMRX_REQUEST (0x1 << 1) /* IMRD / IMD */ #define SST_IMRD_DONE (0x1 << 0) #define SST_IMRD_BUSY (0x1 << 1) #define SST_IMRD_SSP0 (0x1 << 16) #define SST_IMRD_DMAC0 (0x1 << 21) #define SST_IMRD_DMAC1 (0x1 << 22) #define SST_IMRD_DMAC (SST_IMRD_DMAC0 | SST_IMRD_DMAC1) /* IPCX / IPCC */ #define SST_IPCX_DONE (0x1 << 30) #define SST_IPCX_BUSY (0x1 << 31) #define SST_BYT_IPCX_DONE ((u64)0x1 << 62) #define SST_BYT_IPCX_BUSY ((u64)0x1 << 63) /* IPCD */ #define SST_IPCD_DONE (0x1 << 30) #define SST_IPCD_BUSY (0x1 << 31) #define SST_BYT_IPCD_DONE ((u64)0x1 << 62) #define SST_BYT_IPCD_BUSY ((u64)0x1 << 63) /* CLKCTL */ #define SST_CLKCTL_SMOS(x) (x << 24) #define SST_CLKCTL_MASK (3 << 24) #define SST_CLKCTL_DCPLCG (1 << 18) #define SST_CLKCTL_SCOE1 (1 << 17) #define SST_CLKCTL_SCOE0 (1 << 16) /* CSR2 / CS2 */ #define SST_CSR2_SDFD_SSP0 (1 << 1) #define SST_CSR2_SDFD_SSP1 (1 << 2) /* LTRC */ #define SST_LTRC_VAL(x) (x << 0) /* HMDC */ #define SST_HMDC_HDDA0(x) (x << 0) #define SST_HMDC_HDDA1(x) (x << 7) #define SST_HMDC_HDDA_E0_CH0 1 #define SST_HMDC_HDDA_E0_CH1 2 #define SST_HMDC_HDDA_E0_CH2 4 #define SST_HMDC_HDDA_E0_CH3 8 #define SST_HMDC_HDDA_E1_CH0 SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH0) #define SST_HMDC_HDDA_E1_CH1 SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH1) #define SST_HMDC_HDDA_E1_CH2 SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH2) #define SST_HMDC_HDDA_E1_CH3 SST_HMDC_HDDA1(SST_HMDC_HDDA_E0_CH3) #define SST_HMDC_HDDA_E0_ALLCH (SST_HMDC_HDDA_E0_CH0 | SST_HMDC_HDDA_E0_CH1 | \ SST_HMDC_HDDA_E0_CH2 | SST_HMDC_HDDA_E0_CH3) #define SST_HMDC_HDDA_E1_ALLCH (SST_HMDC_HDDA_E1_CH0 | SST_HMDC_HDDA_E1_CH1 | \ SST_HMDC_HDDA_E1_CH2 | SST_HMDC_HDDA_E1_CH3) /* SST Vendor Defined Registers and bits */ #define SST_VDRTCTL0 0xa0 #define SST_VDRTCTL1 0xa4 #define SST_VDRTCTL2 0xa8 #define SST_VDRTCTL3 0xaC /* VDRTCTL0 */ #define SST_VDRTCL0_D3PGD (1 << 0) #define SST_VDRTCL0_D3SRAMPGD (1 << 1) #define SST_VDRTCL0_DSRAMPGE_SHIFT 12 #define SST_VDRTCL0_DSRAMPGE_MASK (0xfffff << SST_VDRTCL0_DSRAMPGE_SHIFT) #define SST_VDRTCL0_ISRAMPGE_SHIFT 2 #define SST_VDRTCL0_ISRAMPGE_MASK (0x3ff << SST_VDRTCL0_ISRAMPGE_SHIFT) /* VDRTCTL2 */ #define SST_VDRTCL2_DCLCGE (1 << 1) #define SST_VDRTCL2_DTCGE (1 << 10) #define SST_VDRTCL2_APLLSE_MASK (1 << 31) /* PMCS */ #define SST_PMCS 0x84 #define SST_PMCS_PS_MASK 0x3 struct sst_dsp; /* * SST Device. * * This structure is populated by the SST core driver. */ struct sst_dsp_device { /* Mandatory fields */ struct sst_ops *ops; irqreturn_t (*thread)(int irq, void *context); void *thread_context; }; /* * SST Platform Data. */ struct sst_pdata { /* ACPI data */ u32 lpe_base; u32 lpe_size; u32 pcicfg_base; u32 pcicfg_size; u32 fw_base; u32 fw_size; int irq; /* Firmware */ const struct firmware *fw; /* DMA */ int resindex_dma_base; /* other fields invalid if equals to -1 */ u32 dma_base; u32 dma_size; int dma_engine; struct device *dma_dev; /* DSP */ u32 id; void *dsp; }; /* SHIM Read / Write */ void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value); u32 sst_dsp_shim_read(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset, u32 mask, u32 value); void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset, u32 mask, u32 value); /* SHIM Read / Write Unlocked for callers already holding sst lock */ void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value); u32 sst_dsp_shim_read_unlocked(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits_unlocked(struct sst_dsp *sst, u32 offset, u32 mask, u32 value); void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset, u32 mask, u32 value); /* Internal generic low-level SST IO functions - can be overidden */ void sst_shim32_write(void __iomem *addr, u32 offset, u32 value); u32 sst_shim32_read(void __iomem *addr, u32 offset); void sst_shim32_write64(void __iomem *addr, u32 offset, u64 value); u64 sst_shim32_read64(void __iomem *addr, u32 offset); /* Mailbox management */ int sst_dsp_mailbox_init(struct sst_dsp *sst, u32 inbox_offset, size_t inbox_size, u32 outbox_offset, size_t outbox_size); void sst_dsp_inbox_write(struct sst_dsp *sst, void *message, size_t bytes); void sst_dsp_inbox_read(struct sst_dsp *sst, void *message, size_t bytes); void sst_dsp_outbox_write(struct sst_dsp *sst, void *message, size_t bytes); void sst_dsp_outbox_read(struct sst_dsp *sst, void *message, size_t bytes); int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask, u32 target, u32 time, char *operation); #endif