/* * Intel Smart Sound Technology (SST) Core * * Copyright (C) 2013, Intel Corporation. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License 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 __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 #define SST_DMA_TYPE_MID 2 /* 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_HDMC 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_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) /* 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) /* HDMC */ #define SST_HDMC_HDDA0(x) (x << 0) #define SST_HDMC_HDDA1(x) (x << 7) /* 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_DSRAMPGE_SHIFT 16 #define SST_VDRTCL0_DSRAMPGE_MASK (0xffff << SST_VDRTCL0_DSRAMPGE_SHIFT) #define SST_VDRTCL0_ISRAMPGE_SHIFT 6 #define SST_VDRTCL0_ISRAMPGE_MASK (0x3ff << SST_VDRTCL0_ISRAMPGE_SHIFT) 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 */ u32 dma_base; u32 dma_size; int dma_engine; struct device *dma_dev; /* DSP */ u32 id; void *dsp; }; /* Initialization */ struct sst_dsp *sst_dsp_new(struct device *dev, struct sst_dsp_device *sst_dev, struct sst_pdata *pdata); void sst_dsp_free(struct sst_dsp *sst); /* 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_write64(struct sst_dsp *sst, u32 offset, u64 value); u64 sst_dsp_shim_read64(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset, u64 mask, u64 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_write64_unlocked(struct sst_dsp *sst, u32 offset, u64 value); u64 sst_dsp_shim_read64_unlocked(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset, u64 mask, u64 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); void sst_memcpy_toio_32(struct sst_dsp *sst, void __iomem *dest, void *src, size_t bytes); void sst_memcpy_fromio_32(struct sst_dsp *sst, void *dest, void __iomem *src, size_t bytes); /* DSP reset & boot */ void sst_dsp_reset(struct sst_dsp *sst); int sst_dsp_boot(struct sst_dsp *sst); /* Msg IO */ void sst_dsp_ipc_msg_tx(struct sst_dsp *dsp, u32 msg); u32 sst_dsp_ipc_msg_rx(struct sst_dsp *dsp); /* Mailbox management */ int sst_dsp_mailbox_init(struct sst_dsp *dsp, u32 inbox_offset, size_t inbox_size, u32 outbox_offset, size_t outbox_size); void sst_dsp_inbox_write(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_inbox_read(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_outbox_write(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_outbox_read(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_mailbox_dump(struct sst_dsp *dsp, size_t bytes); /* Debug */ void sst_dsp_dump(struct sst_dsp *sst); #endif