diff options
Diffstat (limited to 'kernel/sound/soc/intel/haswell')
| -rw-r--r-- | kernel/sound/soc/intel/haswell/Makefile | 4 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/haswell/sst-haswell-dsp.c | 709 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/haswell/sst-haswell-ipc.c | 2219 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/haswell/sst-haswell-ipc.h | 534 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/haswell/sst-haswell-pcm.c | 1405 |
5 files changed, 4871 insertions, 0 deletions
diff --git a/kernel/sound/soc/intel/haswell/Makefile b/kernel/sound/soc/intel/haswell/Makefile new file mode 100644 index 000000000..9c1723112 --- /dev/null +++ b/kernel/sound/soc/intel/haswell/Makefile @@ -0,0 +1,4 @@ +snd-soc-sst-haswell-pcm-objs := \ + sst-haswell-ipc.o sst-haswell-pcm.o sst-haswell-dsp.o + +obj-$(CONFIG_SND_SOC_INTEL_HASWELL) += snd-soc-sst-haswell-pcm.o diff --git a/kernel/sound/soc/intel/haswell/sst-haswell-dsp.c b/kernel/sound/soc/intel/haswell/sst-haswell-dsp.c new file mode 100644 index 000000000..7f94920c8 --- /dev/null +++ b/kernel/sound/soc/intel/haswell/sst-haswell-dsp.c @@ -0,0 +1,709 @@ +/* + * Intel Haswell SST DSP driver + * + * Copyright (C) 2013, Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#include <linux/delay.h> +#include <linux/fs.h> +#include <linux/slab.h> +#include <linux/device.h> +#include <linux/sched.h> +#include <linux/export.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/pci.h> +#include <linux/firmware.h> +#include <linux/pm_runtime.h> + +#include "../common/sst-dsp.h" +#include "../common/sst-dsp-priv.h" +#include "../haswell/sst-haswell-ipc.h" + +#include <trace/events/hswadsp.h> + +#define SST_HSW_FW_SIGNATURE_SIZE 4 +#define SST_HSW_FW_SIGN "$SST" +#define SST_HSW_FW_LIB_SIGN "$LIB" + +#define SST_WPT_SHIM_OFFSET 0xFB000 +#define SST_LP_SHIM_OFFSET 0xE7000 +#define SST_WPT_IRAM_OFFSET 0xA0000 +#define SST_LP_IRAM_OFFSET 0x80000 +#define SST_WPT_DSP_DRAM_OFFSET 0x400000 +#define SST_WPT_DSP_IRAM_OFFSET 0x00000 +#define SST_LPT_DSP_DRAM_OFFSET 0x400000 +#define SST_LPT_DSP_IRAM_OFFSET 0x00000 + +#define SST_SHIM_PM_REG 0x84 + +#define SST_HSW_IRAM 1 +#define SST_HSW_DRAM 2 +#define SST_HSW_REGS 3 + +struct dma_block_info { + __le32 type; /* IRAM/DRAM */ + __le32 size; /* Bytes */ + __le32 ram_offset; /* Offset in I/DRAM */ + __le32 rsvd; /* Reserved field */ +} __attribute__((packed)); + +struct fw_module_info { + __le32 persistent_size; + __le32 scratch_size; +} __attribute__((packed)); + +struct fw_header { + unsigned char signature[SST_HSW_FW_SIGNATURE_SIZE]; /* FW signature */ + __le32 file_size; /* size of fw minus this header */ + __le32 modules; /* # of modules */ + __le32 file_format; /* version of header format */ + __le32 reserved[4]; +} __attribute__((packed)); + +struct fw_module_header { + unsigned char signature[SST_HSW_FW_SIGNATURE_SIZE]; /* module signature */ + __le32 mod_size; /* size of module */ + __le32 blocks; /* # of blocks */ + __le16 padding; + __le16 type; /* codec type, pp lib */ + __le32 entry_point; + struct fw_module_info info; +} __attribute__((packed)); + +static void hsw_free(struct sst_dsp *sst); + +static int hsw_parse_module(struct sst_dsp *dsp, struct sst_fw *fw, + struct fw_module_header *module) +{ + struct dma_block_info *block; + struct sst_module *mod; + struct sst_module_template template; + int count, ret; + void __iomem *ram; + + /* TODO: allowed module types need to be configurable */ + if (module->type != SST_HSW_MODULE_BASE_FW + && module->type != SST_HSW_MODULE_PCM_SYSTEM + && module->type != SST_HSW_MODULE_PCM + && module->type != SST_HSW_MODULE_PCM_REFERENCE + && module->type != SST_HSW_MODULE_PCM_CAPTURE + && module->type != SST_HSW_MODULE_WAVES + && module->type != SST_HSW_MODULE_LPAL) + return 0; + + dev_dbg(dsp->dev, "new module sign 0x%s size 0x%x blocks 0x%x type 0x%x\n", + module->signature, module->mod_size, + module->blocks, module->type); + dev_dbg(dsp->dev, " entrypoint 0x%x\n", module->entry_point); + dev_dbg(dsp->dev, " persistent 0x%x scratch 0x%x\n", + module->info.persistent_size, module->info.scratch_size); + + memset(&template, 0, sizeof(template)); + template.id = module->type; + template.entry = module->entry_point - 4; + template.persistent_size = module->info.persistent_size; + template.scratch_size = module->info.scratch_size; + + mod = sst_module_new(fw, &template, NULL); + if (mod == NULL) + return -ENOMEM; + + block = (void *)module + sizeof(*module); + + for (count = 0; count < module->blocks; count++) { + + if (block->size <= 0) { + dev_err(dsp->dev, + "error: block %d size invalid\n", count); + sst_module_free(mod); + return -EINVAL; + } + + switch (block->type) { + case SST_HSW_IRAM: + ram = dsp->addr.lpe; + mod->offset = + block->ram_offset + dsp->addr.iram_offset; + mod->type = SST_MEM_IRAM; + break; + case SST_HSW_DRAM: + case SST_HSW_REGS: + ram = dsp->addr.lpe; + mod->offset = block->ram_offset; + mod->type = SST_MEM_DRAM; + break; + default: + dev_err(dsp->dev, "error: bad type 0x%x for block 0x%x\n", + block->type, count); + sst_module_free(mod); + return -EINVAL; + } + + mod->size = block->size; + mod->data = (void *)block + sizeof(*block); + mod->data_offset = mod->data - fw->dma_buf; + + dev_dbg(dsp->dev, "module block %d type 0x%x " + "size 0x%x ==> ram %p offset 0x%x\n", + count, mod->type, block->size, ram, + block->ram_offset); + + ret = sst_module_alloc_blocks(mod); + if (ret < 0) { + dev_err(dsp->dev, "error: could not allocate blocks for module %d\n", + count); + sst_module_free(mod); + return ret; + } + + block = (void *)block + sizeof(*block) + block->size; + } + mod->state = SST_MODULE_STATE_LOADED; + + return 0; +} + +static int hsw_parse_fw_image(struct sst_fw *sst_fw) +{ + struct fw_header *header; + struct fw_module_header *module; + struct sst_dsp *dsp = sst_fw->dsp; + int ret, count; + + /* Read the header information from the data pointer */ + header = (struct fw_header *)sst_fw->dma_buf; + + /* verify FW */ + if ((strncmp(header->signature, SST_HSW_FW_SIGN, 4) != 0) || + (sst_fw->size != header->file_size + sizeof(*header))) { + dev_err(dsp->dev, "error: invalid fw sign/filesize mismatch\n"); + return -EINVAL; + } + + dev_dbg(dsp->dev, "header size=0x%x modules=0x%x fmt=0x%x size=%zu\n", + header->file_size, header->modules, + header->file_format, sizeof(*header)); + + /* parse each module */ + module = (void *)sst_fw->dma_buf + sizeof(*header); + for (count = 0; count < header->modules; count++) { + + /* module */ + ret = hsw_parse_module(dsp, sst_fw, module); + if (ret < 0) { + dev_err(dsp->dev, "error: invalid module %d\n", count); + return ret; + } + module = (void *)module + sizeof(*module) + module->mod_size; + } + + return 0; +} + +static irqreturn_t hsw_irq(int irq, void *context) +{ + struct sst_dsp *sst = (struct sst_dsp *) context; + u32 isr; + int ret = IRQ_NONE; + + spin_lock(&sst->spinlock); + + /* Interrupt arrived, check src */ + isr = sst_dsp_shim_read_unlocked(sst, SST_ISRX); + if (isr & SST_ISRX_DONE) { + trace_sst_irq_done(isr, + sst_dsp_shim_read_unlocked(sst, SST_IMRX)); + + /* Mask Done interrupt before return */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_DONE, SST_IMRX_DONE); + ret = IRQ_WAKE_THREAD; + } + + if (isr & SST_ISRX_BUSY) { + trace_sst_irq_busy(isr, + sst_dsp_shim_read_unlocked(sst, SST_IMRX)); + + /* Mask Busy interrupt before return */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_BUSY, SST_IMRX_BUSY); + ret = IRQ_WAKE_THREAD; + } + + spin_unlock(&sst->spinlock); + return ret; +} + +static void hsw_set_dsp_D3(struct sst_dsp *sst) +{ + u32 val; + u32 reg; + + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + reg &= ~(SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE); + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + + /* enable power gating and switch off DRAM & IRAM blocks */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + val |= SST_VDRTCL0_DSRAMPGE_MASK | + SST_VDRTCL0_ISRAMPGE_MASK; + val &= ~(SST_VDRTCL0_D3PGD | SST_VDRTCL0_D3SRAMPGD); + writel(val, sst->addr.pci_cfg + SST_VDRTCTL0); + + /* switch off audio PLL */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val |= SST_VDRTCL2_APLLSE_MASK; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); + + /* disable MCLK(clkctl.smos = 0) */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CLKCTL, + SST_CLKCTL_MASK, 0); + + /* Set D3 state, delay 50 us */ + val = readl(sst->addr.pci_cfg + SST_PMCS); + val |= SST_PMCS_PS_MASK; + writel(val, sst->addr.pci_cfg + SST_PMCS); + udelay(50); + + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + reg |= SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE; + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + + udelay(50); + +} + +static void hsw_reset(struct sst_dsp *sst) +{ + /* put DSP into reset and stall */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, + SST_CSR_RST | SST_CSR_STALL, + SST_CSR_RST | SST_CSR_STALL); + + /* keep in reset for 10ms */ + mdelay(10); + + /* take DSP out of reset and keep stalled for FW loading */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, + SST_CSR_RST | SST_CSR_STALL, SST_CSR_STALL); +} + +static int hsw_set_dsp_D0(struct sst_dsp *sst) +{ + int tries = 10; + u32 reg, fw_dump_bit; + + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + reg &= ~(SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE); + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + + /* Disable D3PG (VDRTCTL0.D3PGD = 1) */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + reg |= SST_VDRTCL0_D3PGD; + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL0); + + /* Set D0 state */ + reg = readl(sst->addr.pci_cfg + SST_PMCS); + reg &= ~SST_PMCS_PS_MASK; + writel(reg, sst->addr.pci_cfg + SST_PMCS); + + /* check that ADSP shim is enabled */ + while (tries--) { + reg = readl(sst->addr.pci_cfg + SST_PMCS) & SST_PMCS_PS_MASK; + if (reg == 0) + goto finish; + + msleep(1); + } + + return -ENODEV; + +finish: + /* select SSP1 19.2MHz base clock, SSP clock 0, turn off Low Power Clock */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, + SST_CSR_S1IOCS | SST_CSR_SBCS1 | SST_CSR_LPCS, 0x0); + + /* stall DSP core, set clk to 192/96Mhz */ + sst_dsp_shim_update_bits_unlocked(sst, + SST_CSR, SST_CSR_STALL | SST_CSR_DCS_MASK, + SST_CSR_STALL | SST_CSR_DCS(4)); + + /* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CLKCTL, + SST_CLKCTL_MASK | SST_CLKCTL_DCPLCG | SST_CLKCTL_SCOE0, + SST_CLKCTL_MASK | SST_CLKCTL_DCPLCG | SST_CLKCTL_SCOE0); + + /* Stall and reset core, set CSR */ + hsw_reset(sst); + + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + reg |= SST_VDRTCL2_DCLCGE | SST_VDRTCL2_DTCGE; + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + + udelay(50); + + /* switch on audio PLL */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + reg &= ~SST_VDRTCL2_APLLSE_MASK; + writel(reg, sst->addr.pci_cfg + SST_VDRTCTL2); + + /* set default power gating control, enable power gating control for all blocks. that is, + can't be accessed, please enable each block before accessing. */ + reg = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + reg |= SST_VDRTCL0_DSRAMPGE_MASK | SST_VDRTCL0_ISRAMPGE_MASK; + /* for D0, always enable the block(DSRAM[0]) used for FW dump */ + fw_dump_bit = 1 << SST_VDRTCL0_DSRAMPGE_SHIFT; + writel(reg & ~fw_dump_bit, sst->addr.pci_cfg + SST_VDRTCTL0); + + + /* disable DMA finish function for SSP0 & SSP1 */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR2, SST_CSR2_SDFD_SSP1, + SST_CSR2_SDFD_SSP1); + + /* set on-demond mode on engine 0,1 for all channels */ + sst_dsp_shim_update_bits(sst, SST_HMDC, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH); + + /* Enable Interrupt from both sides */ + sst_dsp_shim_update_bits(sst, SST_IMRX, (SST_IMRX_BUSY | SST_IMRX_DONE), + 0x0); + sst_dsp_shim_update_bits(sst, SST_IMRD, (SST_IMRD_DONE | SST_IMRD_BUSY | + SST_IMRD_SSP0 | SST_IMRD_DMAC), 0x0); + + /* clear IPC registers */ + sst_dsp_shim_write(sst, SST_IPCX, 0x0); + sst_dsp_shim_write(sst, SST_IPCD, 0x0); + sst_dsp_shim_write(sst, 0x80, 0x6); + sst_dsp_shim_write(sst, 0xe0, 0x300a); + + return 0; +} + +static void hsw_boot(struct sst_dsp *sst) +{ + /* set oportunistic mode on engine 0,1 for all channels */ + sst_dsp_shim_update_bits(sst, SST_HMDC, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH, 0); + + /* set DSP to RUN */ + sst_dsp_shim_update_bits_unlocked(sst, SST_CSR, SST_CSR_STALL, 0x0); +} + +static void hsw_stall(struct sst_dsp *sst) +{ + /* stall DSP */ + sst_dsp_shim_update_bits(sst, SST_CSR, + SST_CSR_24MHZ_LPCS | SST_CSR_STALL, + SST_CSR_STALL | SST_CSR_24MHZ_LPCS); +} + +static void hsw_sleep(struct sst_dsp *sst) +{ + dev_dbg(sst->dev, "HSW_PM dsp runtime suspend\n"); + + /* put DSP into reset and stall */ + sst_dsp_shim_update_bits(sst, SST_CSR, + SST_CSR_24MHZ_LPCS | SST_CSR_RST | SST_CSR_STALL, + SST_CSR_RST | SST_CSR_STALL | SST_CSR_24MHZ_LPCS); + + hsw_set_dsp_D3(sst); + dev_dbg(sst->dev, "HSW_PM dsp runtime suspend exit\n"); +} + +static int hsw_wake(struct sst_dsp *sst) +{ + int ret; + + dev_dbg(sst->dev, "HSW_PM dsp runtime resume\n"); + + ret = hsw_set_dsp_D0(sst); + if (ret < 0) + return ret; + + dev_dbg(sst->dev, "HSW_PM dsp runtime resume exit\n"); + + return 0; +} + +struct sst_adsp_memregion { + u32 start; + u32 end; + int blocks; + enum sst_mem_type type; +}; + +/* lynx point ADSP mem regions */ +static const struct sst_adsp_memregion lp_region[] = { + {0x00000, 0x40000, 8, SST_MEM_DRAM}, /* D-SRAM0 - 8 * 32kB */ + {0x40000, 0x80000, 8, SST_MEM_DRAM}, /* D-SRAM1 - 8 * 32kB */ + {0x80000, 0xE0000, 12, SST_MEM_IRAM}, /* I-SRAM - 12 * 32kB */ +}; + +/* wild cat point ADSP mem regions */ +static const struct sst_adsp_memregion wpt_region[] = { + {0x00000, 0xA0000, 20, SST_MEM_DRAM}, /* D-SRAM0,D-SRAM1,D-SRAM2 - 20 * 32kB */ + {0xA0000, 0xF0000, 10, SST_MEM_IRAM}, /* I-SRAM - 10 * 32kB */ +}; + +static int hsw_acpi_resource_map(struct sst_dsp *sst, struct sst_pdata *pdata) +{ + /* ADSP DRAM & IRAM */ + sst->addr.lpe_base = pdata->lpe_base; + sst->addr.lpe = ioremap(pdata->lpe_base, pdata->lpe_size); + if (!sst->addr.lpe) + return -ENODEV; + + /* ADSP PCI MMIO config space */ + sst->addr.pci_cfg = ioremap(pdata->pcicfg_base, pdata->pcicfg_size); + if (!sst->addr.pci_cfg) { + iounmap(sst->addr.lpe); + return -ENODEV; + } + + /* SST Shim */ + sst->addr.shim = sst->addr.lpe + sst->addr.shim_offset; + return 0; +} + +struct sst_sram_shift { + u32 dev_id; /* SST Device IDs */ + u32 iram_shift; + u32 dram_shift; +}; + +static const struct sst_sram_shift sram_shift[] = { + {SST_DEV_ID_LYNX_POINT, 6, 16}, /* lp */ + {SST_DEV_ID_WILDCAT_POINT, 2, 12}, /* wpt */ +}; + +static u32 hsw_block_get_bit(struct sst_mem_block *block) +{ + u32 bit = 0, shift = 0, index; + struct sst_dsp *sst = block->dsp; + + for (index = 0; index < ARRAY_SIZE(sram_shift); index++) { + if (sram_shift[index].dev_id == sst->id) + break; + } + + if (index < ARRAY_SIZE(sram_shift)) { + switch (block->type) { + case SST_MEM_DRAM: + shift = sram_shift[index].dram_shift; + break; + case SST_MEM_IRAM: + shift = sram_shift[index].iram_shift; + break; + default: + shift = 0; + } + } else + shift = 0; + + bit = 1 << (block->index + shift); + + return bit; +} + +/*dummy read a SRAM block.*/ +static void sst_mem_block_dummy_read(struct sst_mem_block *block) +{ + u32 size; + u8 tmp_buf[4]; + struct sst_dsp *sst = block->dsp; + + size = block->size > 4 ? 4 : block->size; + memcpy_fromio(tmp_buf, sst->addr.lpe + block->offset, size); +} + +/* enable 32kB memory block - locks held by caller */ +static int hsw_block_enable(struct sst_mem_block *block) +{ + struct sst_dsp *sst = block->dsp; + u32 bit, val; + + if (block->users++ > 0) + return 0; + + dev_dbg(block->dsp->dev, " enabled block %d:%d at offset 0x%x\n", + block->type, block->index, block->offset); + + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val &= ~SST_VDRTCL2_DCLCGE; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); + + val = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + bit = hsw_block_get_bit(block); + writel(val & ~bit, sst->addr.pci_cfg + SST_VDRTCTL0); + + /* wait 18 DSP clock ticks */ + udelay(10); + + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val |= SST_VDRTCL2_DCLCGE; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); + + udelay(50); + + /*add a dummy read before the SRAM block is written, otherwise the writing may miss bytes sometimes.*/ + sst_mem_block_dummy_read(block); + return 0; +} + +/* disable 32kB memory block - locks held by caller */ +static int hsw_block_disable(struct sst_mem_block *block) +{ + struct sst_dsp *sst = block->dsp; + u32 bit, val; + + if (--block->users > 0) + return 0; + + dev_dbg(block->dsp->dev, " disabled block %d:%d at offset 0x%x\n", + block->type, block->index, block->offset); + + /* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val &= ~SST_VDRTCL2_DCLCGE; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); + + + val = readl(sst->addr.pci_cfg + SST_VDRTCTL0); + bit = hsw_block_get_bit(block); + /* don't disable DSRAM[0], keep it always enable for FW dump*/ + if (bit != (1 << SST_VDRTCL0_DSRAMPGE_SHIFT)) + writel(val | bit, sst->addr.pci_cfg + SST_VDRTCTL0); + + /* wait 18 DSP clock ticks */ + udelay(10); + + /* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */ + val = readl(sst->addr.pci_cfg + SST_VDRTCTL2); + val |= SST_VDRTCL2_DCLCGE; + writel(val, sst->addr.pci_cfg + SST_VDRTCTL2); + + udelay(50); + + return 0; +} + +static struct sst_block_ops sst_hsw_ops = { + .enable = hsw_block_enable, + .disable = hsw_block_disable, +}; + +static int hsw_init(struct sst_dsp *sst, struct sst_pdata *pdata) +{ + const struct sst_adsp_memregion *region; + struct device *dev; + int ret = -ENODEV, i, j, region_count; + u32 offset, size, fw_dump_bit; + + dev = sst->dma_dev; + + switch (sst->id) { + case SST_DEV_ID_LYNX_POINT: + region = lp_region; + region_count = ARRAY_SIZE(lp_region); + sst->addr.iram_offset = SST_LP_IRAM_OFFSET; + sst->addr.dsp_iram_offset = SST_LPT_DSP_IRAM_OFFSET; + sst->addr.dsp_dram_offset = SST_LPT_DSP_DRAM_OFFSET; + sst->addr.shim_offset = SST_LP_SHIM_OFFSET; + break; + case SST_DEV_ID_WILDCAT_POINT: + region = wpt_region; + region_count = ARRAY_SIZE(wpt_region); + sst->addr.iram_offset = SST_WPT_IRAM_OFFSET; + sst->addr.dsp_iram_offset = SST_WPT_DSP_IRAM_OFFSET; + sst->addr.dsp_dram_offset = SST_WPT_DSP_DRAM_OFFSET; + sst->addr.shim_offset = SST_WPT_SHIM_OFFSET; + break; + default: + dev_err(dev, "error: failed to get mem resources\n"); + return ret; + } + + ret = hsw_acpi_resource_map(sst, pdata); + if (ret < 0) { + dev_err(dev, "error: failed to map resources\n"); + return ret; + } + + /* enable the DSP SHIM */ + ret = hsw_set_dsp_D0(sst); + if (ret < 0) { + dev_err(dev, "error: failed to set DSP D0 and reset SHIM\n"); + return ret; + } + + ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(31)); + if (ret) + return ret; + + + /* register DSP memory blocks - ideally we should get this from ACPI */ + for (i = 0; i < region_count; i++) { + offset = region[i].start; + size = (region[i].end - region[i].start) / region[i].blocks; + + /* register individual memory blocks */ + for (j = 0; j < region[i].blocks; j++) { + sst_mem_block_register(sst, offset, size, + region[i].type, &sst_hsw_ops, j, sst); + offset += size; + } + } + + /* always enable the block(DSRAM[0]) used for FW dump */ + fw_dump_bit = 1 << SST_VDRTCL0_DSRAMPGE_SHIFT; + /* set default power gating control, enable power gating control for all blocks. that is, + can't be accessed, please enable each block before accessing. */ + writel(0xffffffff & ~fw_dump_bit, sst->addr.pci_cfg + SST_VDRTCTL0); + + return 0; +} + +static void hsw_free(struct sst_dsp *sst) +{ + sst_mem_block_unregister_all(sst); + iounmap(sst->addr.lpe); + iounmap(sst->addr.pci_cfg); +} + +struct sst_ops haswell_ops = { + .reset = hsw_reset, + .boot = hsw_boot, + .stall = hsw_stall, + .wake = hsw_wake, + .sleep = hsw_sleep, + .write = sst_shim32_write, + .read = sst_shim32_read, + .write64 = sst_shim32_write64, + .read64 = sst_shim32_read64, + .ram_read = sst_memcpy_fromio_32, + .ram_write = sst_memcpy_toio_32, + .irq_handler = hsw_irq, + .init = hsw_init, + .free = hsw_free, + .parse_fw = hsw_parse_fw_image, +}; diff --git a/kernel/sound/soc/intel/haswell/sst-haswell-ipc.c b/kernel/sound/soc/intel/haswell/sst-haswell-ipc.c new file mode 100644 index 000000000..324eceb07 --- /dev/null +++ b/kernel/sound/soc/intel/haswell/sst-haswell-ipc.c @@ -0,0 +1,2219 @@ +/* + * Intel SST Haswell/Broadwell IPC Support + * + * 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. + * + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/list.h> +#include <linux/device.h> +#include <linux/wait.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/export.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/sched.h> +#include <linux/platform_device.h> +#include <linux/kthread.h> +#include <linux/firmware.h> +#include <linux/dma-mapping.h> +#include <linux/debugfs.h> +#include <linux/pm_runtime.h> +#include <sound/asound.h> + +#include "sst-haswell-ipc.h" +#include "../common/sst-dsp.h" +#include "../common/sst-dsp-priv.h" +#include "../common/sst-ipc.h" + +/* Global Message - Generic */ +#define IPC_GLB_TYPE_SHIFT 24 +#define IPC_GLB_TYPE_MASK (0x1f << IPC_GLB_TYPE_SHIFT) +#define IPC_GLB_TYPE(x) (x << IPC_GLB_TYPE_SHIFT) + +/* Global Message - Reply */ +#define IPC_GLB_REPLY_SHIFT 0 +#define IPC_GLB_REPLY_MASK (0x1f << IPC_GLB_REPLY_SHIFT) +#define IPC_GLB_REPLY_TYPE(x) (x << IPC_GLB_REPLY_TYPE_SHIFT) + +/* Stream Message - Generic */ +#define IPC_STR_TYPE_SHIFT 20 +#define IPC_STR_TYPE_MASK (0xf << IPC_STR_TYPE_SHIFT) +#define IPC_STR_TYPE(x) (x << IPC_STR_TYPE_SHIFT) +#define IPC_STR_ID_SHIFT 16 +#define IPC_STR_ID_MASK (0xf << IPC_STR_ID_SHIFT) +#define IPC_STR_ID(x) (x << IPC_STR_ID_SHIFT) + +/* Stream Message - Reply */ +#define IPC_STR_REPLY_SHIFT 0 +#define IPC_STR_REPLY_MASK (0x1f << IPC_STR_REPLY_SHIFT) + +/* Stream Stage Message - Generic */ +#define IPC_STG_TYPE_SHIFT 12 +#define IPC_STG_TYPE_MASK (0xf << IPC_STG_TYPE_SHIFT) +#define IPC_STG_TYPE(x) (x << IPC_STG_TYPE_SHIFT) +#define IPC_STG_ID_SHIFT 10 +#define IPC_STG_ID_MASK (0x3 << IPC_STG_ID_SHIFT) +#define IPC_STG_ID(x) (x << IPC_STG_ID_SHIFT) + +/* Stream Stage Message - Reply */ +#define IPC_STG_REPLY_SHIFT 0 +#define IPC_STG_REPLY_MASK (0x1f << IPC_STG_REPLY_SHIFT) + +/* Debug Log Message - Generic */ +#define IPC_LOG_OP_SHIFT 20 +#define IPC_LOG_OP_MASK (0xf << IPC_LOG_OP_SHIFT) +#define IPC_LOG_OP_TYPE(x) (x << IPC_LOG_OP_SHIFT) +#define IPC_LOG_ID_SHIFT 16 +#define IPC_LOG_ID_MASK (0xf << IPC_LOG_ID_SHIFT) +#define IPC_LOG_ID(x) (x << IPC_LOG_ID_SHIFT) + +/* Module Message */ +#define IPC_MODULE_OPERATION_SHIFT 20 +#define IPC_MODULE_OPERATION_MASK (0xf << IPC_MODULE_OPERATION_SHIFT) +#define IPC_MODULE_OPERATION(x) (x << IPC_MODULE_OPERATION_SHIFT) + +#define IPC_MODULE_ID_SHIFT 16 +#define IPC_MODULE_ID_MASK (0xf << IPC_MODULE_ID_SHIFT) +#define IPC_MODULE_ID(x) (x << IPC_MODULE_ID_SHIFT) + +/* IPC message timeout (msecs) */ +#define IPC_TIMEOUT_MSECS 300 +#define IPC_BOOT_MSECS 200 +#define IPC_MSG_WAIT 0 +#define IPC_MSG_NOWAIT 1 + +/* Firmware Ready Message */ +#define IPC_FW_READY (0x1 << 29) +#define IPC_STATUS_MASK (0x3 << 30) + +#define IPC_EMPTY_LIST_SIZE 8 +#define IPC_MAX_STREAMS 4 + +/* Mailbox */ +#define IPC_MAX_MAILBOX_BYTES 256 + +#define INVALID_STREAM_HW_ID 0xffffffff + +/* Global Message - Types and Replies */ +enum ipc_glb_type { + IPC_GLB_GET_FW_VERSION = 0, /* Retrieves firmware version */ + IPC_GLB_PERFORMANCE_MONITOR = 1, /* Performance monitoring actions */ + IPC_GLB_ALLOCATE_STREAM = 3, /* Request to allocate new stream */ + IPC_GLB_FREE_STREAM = 4, /* Request to free stream */ + IPC_GLB_GET_FW_CAPABILITIES = 5, /* Retrieves firmware capabilities */ + IPC_GLB_STREAM_MESSAGE = 6, /* Message directed to stream or its stages */ + /* Request to store firmware context during D0->D3 transition */ + IPC_GLB_REQUEST_DUMP = 7, + /* Request to restore firmware context during D3->D0 transition */ + IPC_GLB_RESTORE_CONTEXT = 8, + IPC_GLB_GET_DEVICE_FORMATS = 9, /* Set device format */ + IPC_GLB_SET_DEVICE_FORMATS = 10, /* Get device format */ + IPC_GLB_SHORT_REPLY = 11, + IPC_GLB_ENTER_DX_STATE = 12, + IPC_GLB_GET_MIXER_STREAM_INFO = 13, /* Request mixer stream params */ + IPC_GLB_DEBUG_LOG_MESSAGE = 14, /* Message to or from the debug logger. */ + IPC_GLB_MODULE_OPERATION = 15, /* Message to loadable fw module */ + IPC_GLB_REQUEST_TRANSFER = 16, /* < Request Transfer for host */ + IPC_GLB_MAX_IPC_MESSAGE_TYPE = 17, /* Maximum message number */ +}; + +enum ipc_glb_reply { + IPC_GLB_REPLY_SUCCESS = 0, /* The operation was successful. */ + IPC_GLB_REPLY_ERROR_INVALID_PARAM = 1, /* Invalid parameter was passed. */ + IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE = 2, /* Uknown message type was resceived. */ + IPC_GLB_REPLY_OUT_OF_RESOURCES = 3, /* No resources to satisfy the request. */ + IPC_GLB_REPLY_BUSY = 4, /* The system or resource is busy. */ + IPC_GLB_REPLY_PENDING = 5, /* The action was scheduled for processing. */ + IPC_GLB_REPLY_FAILURE = 6, /* Critical error happened. */ + IPC_GLB_REPLY_INVALID_REQUEST = 7, /* Request can not be completed. */ + IPC_GLB_REPLY_STAGE_UNINITIALIZED = 8, /* Processing stage was uninitialized. */ + IPC_GLB_REPLY_NOT_FOUND = 9, /* Required resource can not be found. */ + IPC_GLB_REPLY_SOURCE_NOT_STARTED = 10, /* Source was not started. */ +}; + +enum ipc_module_operation { + IPC_MODULE_NOTIFICATION = 0, + IPC_MODULE_ENABLE = 1, + IPC_MODULE_DISABLE = 2, + IPC_MODULE_GET_PARAMETER = 3, + IPC_MODULE_SET_PARAMETER = 4, + IPC_MODULE_GET_INFO = 5, + IPC_MODULE_MAX_MESSAGE +}; + +/* Stream Message - Types */ +enum ipc_str_operation { + IPC_STR_RESET = 0, + IPC_STR_PAUSE = 1, + IPC_STR_RESUME = 2, + IPC_STR_STAGE_MESSAGE = 3, + IPC_STR_NOTIFICATION = 4, + IPC_STR_MAX_MESSAGE +}; + +/* Stream Stage Message Types */ +enum ipc_stg_operation { + IPC_STG_GET_VOLUME = 0, + IPC_STG_SET_VOLUME, + IPC_STG_SET_WRITE_POSITION, + IPC_STG_SET_FX_ENABLE, + IPC_STG_SET_FX_DISABLE, + IPC_STG_SET_FX_GET_PARAM, + IPC_STG_SET_FX_SET_PARAM, + IPC_STG_SET_FX_GET_INFO, + IPC_STG_MUTE_LOOPBACK, + IPC_STG_MAX_MESSAGE +}; + +/* Stream Stage Message Types For Notification*/ +enum ipc_stg_operation_notify { + IPC_POSITION_CHANGED = 0, + IPC_STG_GLITCH, + IPC_STG_MAX_NOTIFY +}; + +enum ipc_glitch_type { + IPC_GLITCH_UNDERRUN = 1, + IPC_GLITCH_DECODER_ERROR, + IPC_GLITCH_DOUBLED_WRITE_POS, + IPC_GLITCH_MAX +}; + +/* Debug Control */ +enum ipc_debug_operation { + IPC_DEBUG_ENABLE_LOG = 0, + IPC_DEBUG_DISABLE_LOG = 1, + IPC_DEBUG_REQUEST_LOG_DUMP = 2, + IPC_DEBUG_NOTIFY_LOG_DUMP = 3, + IPC_DEBUG_MAX_DEBUG_LOG +}; + +/* Firmware Ready */ +struct sst_hsw_ipc_fw_ready { + u32 inbox_offset; + u32 outbox_offset; + u32 inbox_size; + u32 outbox_size; + u32 fw_info_size; + u8 fw_info[IPC_MAX_MAILBOX_BYTES - 5 * sizeof(u32)]; +} __attribute__((packed)); + +struct sst_hsw_stream; +struct sst_hsw; + +/* Stream infomation */ +struct sst_hsw_stream { + /* configuration */ + struct sst_hsw_ipc_stream_alloc_req request; + struct sst_hsw_ipc_stream_alloc_reply reply; + struct sst_hsw_ipc_stream_free_req free_req; + + /* Mixer info */ + u32 mute_volume[SST_HSW_NO_CHANNELS]; + u32 mute[SST_HSW_NO_CHANNELS]; + + /* runtime info */ + struct sst_hsw *hsw; + int host_id; + bool commited; + bool running; + + /* Notification work */ + struct work_struct notify_work; + u32 header; + + /* Position info from DSP */ + struct sst_hsw_ipc_stream_set_position wpos; + struct sst_hsw_ipc_stream_get_position rpos; + struct sst_hsw_ipc_stream_glitch_position glitch; + + /* Volume info */ + struct sst_hsw_ipc_volume_req vol_req; + + /* driver callback */ + u32 (*notify_position)(struct sst_hsw_stream *stream, void *data); + void *pdata; + + /* record the fw read position when playback */ + snd_pcm_uframes_t old_position; + bool play_silence; + struct list_head node; +}; + +/* FW log ring information */ +struct sst_hsw_log_stream { + dma_addr_t dma_addr; + unsigned char *dma_area; + unsigned char *ring_descr; + int pages; + int size; + + /* Notification work */ + struct work_struct notify_work; + wait_queue_head_t readers_wait_q; + struct mutex rw_mutex; + + u32 last_pos; + u32 curr_pos; + u32 reader_pos; + + /* fw log config */ + u32 config[SST_HSW_FW_LOG_CONFIG_DWORDS]; + + struct sst_hsw *hsw; +}; + +/* SST Haswell IPC data */ +struct sst_hsw { + struct device *dev; + struct sst_dsp *dsp; + struct platform_device *pdev_pcm; + + /* FW config */ + struct sst_hsw_ipc_fw_ready fw_ready; + struct sst_hsw_ipc_fw_version version; + bool fw_done; + struct sst_fw *sst_fw; + + /* stream */ + struct list_head stream_list; + + /* global mixer */ + struct sst_hsw_ipc_stream_info_reply mixer_info; + enum sst_hsw_volume_curve curve_type; + u32 curve_duration; + u32 mute[SST_HSW_NO_CHANNELS]; + u32 mute_volume[SST_HSW_NO_CHANNELS]; + + /* DX */ + struct sst_hsw_ipc_dx_reply dx; + void *dx_context; + dma_addr_t dx_context_paddr; + + /* boot */ + wait_queue_head_t boot_wait; + bool boot_complete; + bool shutdown; + + /* IPC messaging */ + struct sst_generic_ipc ipc; + + /* FW log stream */ + struct sst_hsw_log_stream log_stream; + + /* flags bit field to track module state when resume from RTD3, + * each bit represent state (enabled/disabled) of single module */ + u32 enabled_modules_rtd3; + + /* buffer to store parameter lines */ + u32 param_idx_w; /* write index */ + u32 param_idx_r; /* read index */ + u8 param_buf[WAVES_PARAM_LINES][WAVES_PARAM_COUNT]; +}; + +#define CREATE_TRACE_POINTS +#include <trace/events/hswadsp.h> + +static inline u32 msg_get_global_type(u32 msg) +{ + return (msg & IPC_GLB_TYPE_MASK) >> IPC_GLB_TYPE_SHIFT; +} + +static inline u32 msg_get_global_reply(u32 msg) +{ + return (msg & IPC_GLB_REPLY_MASK) >> IPC_GLB_REPLY_SHIFT; +} + +static inline u32 msg_get_stream_type(u32 msg) +{ + return (msg & IPC_STR_TYPE_MASK) >> IPC_STR_TYPE_SHIFT; +} + +static inline u32 msg_get_stage_type(u32 msg) +{ + return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; +} + +static inline u32 msg_get_stream_id(u32 msg) +{ + return (msg & IPC_STR_ID_MASK) >> IPC_STR_ID_SHIFT; +} + +static inline u32 msg_get_notify_reason(u32 msg) +{ + return (msg & IPC_STG_TYPE_MASK) >> IPC_STG_TYPE_SHIFT; +} + +static inline u32 msg_get_module_operation(u32 msg) +{ + return (msg & IPC_MODULE_OPERATION_MASK) >> IPC_MODULE_OPERATION_SHIFT; +} + +static inline u32 msg_get_module_id(u32 msg) +{ + return (msg & IPC_MODULE_ID_MASK) >> IPC_MODULE_ID_SHIFT; +} + +u32 create_channel_map(enum sst_hsw_channel_config config) +{ + switch (config) { + case SST_HSW_CHANNEL_CONFIG_MONO: + return (0xFFFFFFF0 | SST_HSW_CHANNEL_CENTER); + case SST_HSW_CHANNEL_CONFIG_STEREO: + return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4)); + case SST_HSW_CHANNEL_CONFIG_2_POINT_1: + return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4) + | (SST_HSW_CHANNEL_LFE << 8 )); + case SST_HSW_CHANNEL_CONFIG_3_POINT_0: + return (0xFFFFF000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8)); + case SST_HSW_CHANNEL_CONFIG_3_POINT_1: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LFE << 12)); + case SST_HSW_CHANNEL_CONFIG_QUATRO: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_RIGHT << 4) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 8) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 12)); + case SST_HSW_CHANNEL_CONFIG_4_POINT_0: + return (0xFFFF0000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_CENTER_SURROUND << 12)); + case SST_HSW_CHANNEL_CONFIG_5_POINT_0: + return (0xFFF00000 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_CENTER << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16)); + case SST_HSW_CHANNEL_CONFIG_5_POINT_1: + return (0xFF000000 | SST_HSW_CHANNEL_CENTER + | (SST_HSW_CHANNEL_LEFT << 4) + | (SST_HSW_CHANNEL_RIGHT << 8) + | (SST_HSW_CHANNEL_LEFT_SURROUND << 12) + | (SST_HSW_CHANNEL_RIGHT_SURROUND << 16) + | (SST_HSW_CHANNEL_LFE << 20)); + case SST_HSW_CHANNEL_CONFIG_DUAL_MONO: + return (0xFFFFFF00 | SST_HSW_CHANNEL_LEFT + | (SST_HSW_CHANNEL_LEFT << 4)); + default: + return 0xFFFFFFFF; + } +} + +static struct sst_hsw_stream *get_stream_by_id(struct sst_hsw *hsw, + int stream_id) +{ + struct sst_hsw_stream *stream; + + list_for_each_entry(stream, &hsw->stream_list, node) { + if (stream->reply.stream_hw_id == stream_id) + return stream; + } + + return NULL; +} + +static void hsw_fw_ready(struct sst_hsw *hsw, u32 header) +{ + struct sst_hsw_ipc_fw_ready fw_ready; + u32 offset; + u8 fw_info[IPC_MAX_MAILBOX_BYTES - 5 * sizeof(u32)]; + char *tmp[5], *pinfo; + int i = 0; + + offset = (header & 0x1FFFFFFF) << 3; + + dev_dbg(hsw->dev, "ipc: DSP is ready 0x%8.8x offset %d\n", + header, offset); + + /* copy data from the DSP FW ready offset */ + sst_dsp_read(hsw->dsp, &fw_ready, offset, sizeof(fw_ready)); + + sst_dsp_mailbox_init(hsw->dsp, fw_ready.inbox_offset, + fw_ready.inbox_size, fw_ready.outbox_offset, + fw_ready.outbox_size); + + hsw->boot_complete = true; + wake_up(&hsw->boot_wait); + + dev_dbg(hsw->dev, " mailbox upstream 0x%x - size 0x%x\n", + fw_ready.inbox_offset, fw_ready.inbox_size); + dev_dbg(hsw->dev, " mailbox downstream 0x%x - size 0x%x\n", + fw_ready.outbox_offset, fw_ready.outbox_size); + if (fw_ready.fw_info_size < sizeof(fw_ready.fw_info)) { + fw_ready.fw_info[fw_ready.fw_info_size] = 0; + dev_dbg(hsw->dev, " Firmware info: %s \n", fw_ready.fw_info); + + /* log the FW version info got from the mailbox here. */ + memcpy(fw_info, fw_ready.fw_info, fw_ready.fw_info_size); + pinfo = &fw_info[0]; + for (i = 0; i < ARRAY_SIZE(tmp); i++) + tmp[i] = strsep(&pinfo, " "); + dev_info(hsw->dev, "FW loaded, mailbox readback FW info: type %s, - " + "version: %s.%s, build %s, source commit id: %s\n", + tmp[0], tmp[1], tmp[2], tmp[3], tmp[4]); + } +} + +static void hsw_notification_work(struct work_struct *work) +{ + struct sst_hsw_stream *stream = container_of(work, + struct sst_hsw_stream, notify_work); + struct sst_hsw_ipc_stream_glitch_position *glitch = &stream->glitch; + struct sst_hsw_ipc_stream_get_position *pos = &stream->rpos; + struct sst_hsw *hsw = stream->hsw; + u32 reason; + + reason = msg_get_notify_reason(stream->header); + + switch (reason) { + case IPC_STG_GLITCH: + trace_ipc_notification("DSP stream under/overrun", + stream->reply.stream_hw_id); + sst_dsp_inbox_read(hsw->dsp, glitch, sizeof(*glitch)); + + dev_err(hsw->dev, "glitch %d pos 0x%x write pos 0x%x\n", + glitch->glitch_type, glitch->present_pos, + glitch->write_pos); + break; + + case IPC_POSITION_CHANGED: + trace_ipc_notification("DSP stream position changed for", + stream->reply.stream_hw_id); + sst_dsp_inbox_read(hsw->dsp, pos, sizeof(*pos)); + + if (stream->notify_position) + stream->notify_position(stream, stream->pdata); + + break; + default: + dev_err(hsw->dev, "error: unknown notification 0x%x\n", + stream->header); + break; + } + + /* tell DSP that notification has been handled */ + sst_dsp_shim_update_bits(hsw->dsp, SST_IPCD, + SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); + + /* unmask busy interrupt */ + sst_dsp_shim_update_bits(hsw->dsp, SST_IMRX, SST_IMRX_BUSY, 0); +} + +static void hsw_stream_update(struct sst_hsw *hsw, struct ipc_message *msg) +{ + struct sst_hsw_stream *stream; + u32 header = msg->header & ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); + u32 stream_id = msg_get_stream_id(header); + u32 stream_msg = msg_get_stream_type(header); + + stream = get_stream_by_id(hsw, stream_id); + if (stream == NULL) + return; + + switch (stream_msg) { + case IPC_STR_STAGE_MESSAGE: + case IPC_STR_NOTIFICATION: + break; + case IPC_STR_RESET: + trace_ipc_notification("stream reset", stream->reply.stream_hw_id); + break; + case IPC_STR_PAUSE: + stream->running = false; + trace_ipc_notification("stream paused", + stream->reply.stream_hw_id); + break; + case IPC_STR_RESUME: + stream->running = true; + trace_ipc_notification("stream running", + stream->reply.stream_hw_id); + break; + } +} + +static int hsw_process_reply(struct sst_hsw *hsw, u32 header) +{ + struct ipc_message *msg; + u32 reply = msg_get_global_reply(header); + + trace_ipc_reply("processing -->", header); + + msg = sst_ipc_reply_find_msg(&hsw->ipc, header); + if (msg == NULL) { + trace_ipc_error("error: can't find message header", header); + return -EIO; + } + + /* first process the header */ + switch (reply) { + case IPC_GLB_REPLY_PENDING: + trace_ipc_pending_reply("received", header); + msg->pending = true; + hsw->ipc.pending = true; + return 1; + case IPC_GLB_REPLY_SUCCESS: + if (msg->pending) { + trace_ipc_pending_reply("completed", header); + sst_dsp_inbox_read(hsw->dsp, msg->rx_data, + msg->rx_size); + hsw->ipc.pending = false; + } else { + /* copy data from the DSP */ + sst_dsp_outbox_read(hsw->dsp, msg->rx_data, + msg->rx_size); + } + break; + /* these will be rare - but useful for debug */ + case IPC_GLB_REPLY_UNKNOWN_MESSAGE_TYPE: + trace_ipc_error("error: unknown message type", header); + msg->errno = -EBADMSG; + break; + case IPC_GLB_REPLY_OUT_OF_RESOURCES: + trace_ipc_error("error: out of resources", header); + msg->errno = -ENOMEM; + break; + case IPC_GLB_REPLY_BUSY: + trace_ipc_error("error: reply busy", header); + msg->errno = -EBUSY; + break; + case IPC_GLB_REPLY_FAILURE: + trace_ipc_error("error: reply failure", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_STAGE_UNINITIALIZED: + trace_ipc_error("error: stage uninitialized", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_NOT_FOUND: + trace_ipc_error("error: reply not found", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_SOURCE_NOT_STARTED: + trace_ipc_error("error: source not started", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_INVALID_REQUEST: + trace_ipc_error("error: invalid request", header); + msg->errno = -EINVAL; + break; + case IPC_GLB_REPLY_ERROR_INVALID_PARAM: + trace_ipc_error("error: invalid parameter", header); + msg->errno = -EINVAL; + break; + default: + trace_ipc_error("error: unknown reply", header); + msg->errno = -EINVAL; + break; + } + + /* update any stream states */ + if (msg_get_global_type(header) == IPC_GLB_STREAM_MESSAGE) + hsw_stream_update(hsw, msg); + + /* wake up and return the error if we have waiters on this message ? */ + list_del(&msg->list); + sst_ipc_tx_msg_reply_complete(&hsw->ipc, msg); + + return 1; +} + +static int hsw_module_message(struct sst_hsw *hsw, u32 header) +{ + u32 operation, module_id; + int handled = 0; + + operation = msg_get_module_operation(header); + module_id = msg_get_module_id(header); + dev_dbg(hsw->dev, "received module message header: 0x%8.8x\n", + header); + dev_dbg(hsw->dev, "operation: 0x%8.8x module_id: 0x%8.8x\n", + operation, module_id); + + switch (operation) { + case IPC_MODULE_NOTIFICATION: + dev_dbg(hsw->dev, "module notification received"); + handled = 1; + break; + default: + handled = hsw_process_reply(hsw, header); + break; + } + + return handled; +} + +static int hsw_stream_message(struct sst_hsw *hsw, u32 header) +{ + u32 stream_msg, stream_id, stage_type; + struct sst_hsw_stream *stream; + int handled = 0; + + stream_msg = msg_get_stream_type(header); + stream_id = msg_get_stream_id(header); + stage_type = msg_get_stage_type(header); + + stream = get_stream_by_id(hsw, stream_id); + if (stream == NULL) + return handled; + + stream->header = header; + + switch (stream_msg) { + case IPC_STR_STAGE_MESSAGE: + dev_err(hsw->dev, "error: stage msg not implemented 0x%8.8x\n", + header); + break; + case IPC_STR_NOTIFICATION: + schedule_work(&stream->notify_work); + break; + default: + /* handle pending message complete request */ + handled = hsw_process_reply(hsw, header); + break; + } + + return handled; +} + +static int hsw_log_message(struct sst_hsw *hsw, u32 header) +{ + u32 operation = (header & IPC_LOG_OP_MASK) >> IPC_LOG_OP_SHIFT; + struct sst_hsw_log_stream *stream = &hsw->log_stream; + int ret = 1; + + if (operation != IPC_DEBUG_REQUEST_LOG_DUMP) { + dev_err(hsw->dev, + "error: log msg not implemented 0x%8.8x\n", header); + return 0; + } + + mutex_lock(&stream->rw_mutex); + stream->last_pos = stream->curr_pos; + sst_dsp_inbox_read( + hsw->dsp, &stream->curr_pos, sizeof(stream->curr_pos)); + mutex_unlock(&stream->rw_mutex); + + schedule_work(&stream->notify_work); + + return ret; +} + +static int hsw_process_notification(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 type, header; + int handled = 1; + + header = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + type = msg_get_global_type(header); + + trace_ipc_request("processing -->", header); + + /* FW Ready is a special case */ + if (!hsw->boot_complete && header & IPC_FW_READY) { + hsw_fw_ready(hsw, header); + return handled; + } + + switch (type) { + case IPC_GLB_GET_FW_VERSION: + case IPC_GLB_ALLOCATE_STREAM: + case IPC_GLB_FREE_STREAM: + case IPC_GLB_GET_FW_CAPABILITIES: + case IPC_GLB_REQUEST_DUMP: + case IPC_GLB_GET_DEVICE_FORMATS: + case IPC_GLB_SET_DEVICE_FORMATS: + case IPC_GLB_ENTER_DX_STATE: + case IPC_GLB_GET_MIXER_STREAM_INFO: + case IPC_GLB_MAX_IPC_MESSAGE_TYPE: + case IPC_GLB_RESTORE_CONTEXT: + case IPC_GLB_SHORT_REPLY: + dev_err(hsw->dev, "error: message type %d header 0x%x\n", + type, header); + break; + case IPC_GLB_STREAM_MESSAGE: + handled = hsw_stream_message(hsw, header); + break; + case IPC_GLB_DEBUG_LOG_MESSAGE: + handled = hsw_log_message(hsw, header); + break; + case IPC_GLB_MODULE_OPERATION: + handled = hsw_module_message(hsw, header); + break; + default: + dev_err(hsw->dev, "error: unexpected type %d hdr 0x%8.8x\n", + type, header); + break; + } + + return handled; +} + +static irqreturn_t hsw_irq_thread(int irq, void *context) +{ + struct sst_dsp *sst = (struct sst_dsp *) context; + struct sst_hsw *hsw = sst_dsp_get_thread_context(sst); + struct sst_generic_ipc *ipc = &hsw->ipc; + u32 ipcx, ipcd; + int handled; + unsigned long flags; + + spin_lock_irqsave(&sst->spinlock, flags); + + ipcx = sst_dsp_ipc_msg_rx(hsw->dsp); + ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + + /* reply message from DSP */ + if (ipcx & SST_IPCX_DONE) { + + /* Handle Immediate reply from DSP Core */ + handled = hsw_process_reply(hsw, ipcx); + + if (handled > 0) { + /* clear DONE bit - tell DSP we have completed */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IPCX, + SST_IPCX_DONE, 0); + + /* unmask Done interrupt */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_DONE, 0); + } + } + + /* new message from DSP */ + if (ipcd & SST_IPCD_BUSY) { + + /* Handle Notification and Delayed reply from DSP Core */ + handled = hsw_process_notification(hsw); + + /* clear BUSY bit and set DONE bit - accept new messages */ + if (handled > 0) { + sst_dsp_shim_update_bits_unlocked(sst, SST_IPCD, + SST_IPCD_BUSY | SST_IPCD_DONE, SST_IPCD_DONE); + + /* unmask busy interrupt */ + sst_dsp_shim_update_bits_unlocked(sst, SST_IMRX, + SST_IMRX_BUSY, 0); + } + } + + spin_unlock_irqrestore(&sst->spinlock, flags); + + /* continue to send any remaining messages... */ + queue_kthread_work(&ipc->kworker, &ipc->kwork); + + return IRQ_HANDLED; +} + +int sst_hsw_fw_get_version(struct sst_hsw *hsw, + struct sst_hsw_ipc_fw_version *version) +{ + int ret; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, + IPC_GLB_TYPE(IPC_GLB_GET_FW_VERSION), + NULL, 0, version, sizeof(*version)); + if (ret < 0) + dev_err(hsw->dev, "error: get version failed\n"); + + return ret; +} + +/* Mixer Controls */ +int sst_hsw_stream_get_volume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 stage_id, u32 channel, u32 *volume) +{ + if (channel > 1) + return -EINVAL; + + sst_dsp_read(hsw->dsp, volume, + stream->reply.volume_register_address[channel], + sizeof(*volume)); + + return 0; +} + +/* stream volume */ +int sst_hsw_stream_set_volume(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 volume) +{ + struct sst_hsw_ipc_volume_req *req; + u32 header; + int ret; + + trace_ipc_request("set stream volume", stream->reply.stream_hw_id); + + if (channel >= 2 && channel != SST_HSW_CHANNELS_ALL) + return -EINVAL; + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | + IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); + header |= (stream->reply.stream_hw_id << IPC_STR_ID_SHIFT); + header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); + header |= (stage_id << IPC_STG_ID_SHIFT); + + req = &stream->vol_req; + req->target_volume = volume; + + /* set both at same time ? */ + if (channel == SST_HSW_CHANNELS_ALL) { + if (hsw->mute[0] && hsw->mute[1]) { + hsw->mute_volume[0] = hsw->mute_volume[1] = volume; + return 0; + } else if (hsw->mute[0]) + req->channel = 1; + else if (hsw->mute[1]) + req->channel = 0; + else + req->channel = SST_HSW_CHANNELS_ALL; + } else { + /* set only 1 channel */ + if (hsw->mute[channel]) { + hsw->mute_volume[channel] = volume; + return 0; + } + req->channel = channel; + } + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, req, + sizeof(*req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: set stream volume failed\n"); + return ret; + } + + return 0; +} + +int sst_hsw_mixer_get_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 *volume) +{ + if (channel > 1) + return -EINVAL; + + sst_dsp_read(hsw->dsp, volume, + hsw->mixer_info.volume_register_address[channel], + sizeof(*volume)); + + return 0; +} + +/* global mixer volume */ +int sst_hsw_mixer_set_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 volume) +{ + struct sst_hsw_ipc_volume_req req; + u32 header; + int ret; + + trace_ipc_request("set mixer volume", volume); + + if (channel >= 2 && channel != SST_HSW_CHANNELS_ALL) + return -EINVAL; + + /* set both at same time ? */ + if (channel == SST_HSW_CHANNELS_ALL) { + if (hsw->mute[0] && hsw->mute[1]) { + hsw->mute_volume[0] = hsw->mute_volume[1] = volume; + return 0; + } else if (hsw->mute[0]) + req.channel = 1; + else if (hsw->mute[1]) + req.channel = 0; + else + req.channel = SST_HSW_CHANNELS_ALL; + } else { + /* set only 1 channel */ + if (hsw->mute[channel]) { + hsw->mute_volume[channel] = volume; + return 0; + } + req.channel = channel; + } + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | + IPC_STR_TYPE(IPC_STR_STAGE_MESSAGE); + header |= (hsw->mixer_info.mixer_hw_id << IPC_STR_ID_SHIFT); + header |= (IPC_STG_SET_VOLUME << IPC_STG_TYPE_SHIFT); + header |= (stage_id << IPC_STG_ID_SHIFT); + + req.curve_duration = hsw->curve_duration; + req.curve_type = hsw->curve_type; + req.target_volume = volume; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &req, + sizeof(req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: set mixer volume failed\n"); + return ret; + } + + return 0; +} + +/* Stream API */ +struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id, + u32 (*notify_position)(struct sst_hsw_stream *stream, void *data), + void *data) +{ + struct sst_hsw_stream *stream; + struct sst_dsp *sst = hsw->dsp; + unsigned long flags; + + stream = kzalloc(sizeof(*stream), GFP_KERNEL); + if (stream == NULL) + return NULL; + + spin_lock_irqsave(&sst->spinlock, flags); + stream->reply.stream_hw_id = INVALID_STREAM_HW_ID; + list_add(&stream->node, &hsw->stream_list); + stream->notify_position = notify_position; + stream->pdata = data; + stream->hsw = hsw; + stream->host_id = id; + + /* work to process notification messages */ + INIT_WORK(&stream->notify_work, hsw_notification_work); + spin_unlock_irqrestore(&sst->spinlock, flags); + + return stream; +} + +int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + u32 header; + int ret = 0; + struct sst_dsp *sst = hsw->dsp; + unsigned long flags; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to free, ignore it.\n"); + return 0; + } + + /* dont free DSP streams that are not commited */ + if (!stream->commited) + goto out; + + trace_ipc_request("stream free", stream->host_id); + + stream->free_req.stream_id = stream->reply.stream_hw_id; + header = IPC_GLB_TYPE(IPC_GLB_FREE_STREAM); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &stream->free_req, + sizeof(stream->free_req), NULL, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: free stream %d failed\n", + stream->free_req.stream_id); + return -EAGAIN; + } + + trace_hsw_stream_free_req(stream, &stream->free_req); + +out: + cancel_work_sync(&stream->notify_work); + spin_lock_irqsave(&sst->spinlock, flags); + list_del(&stream->node); + kfree(stream); + spin_unlock_irqrestore(&sst->spinlock, flags); + + return ret; +} + +int sst_hsw_stream_set_bits(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, enum sst_hsw_bitdepth bits) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set bits\n"); + return -EINVAL; + } + + stream->request.format.bitdepth = bits; + return 0; +} + +int sst_hsw_stream_set_channels(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, int channels) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set channels\n"); + return -EINVAL; + } + + stream->request.format.ch_num = channels; + return 0; +} + +int sst_hsw_stream_set_rate(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, int rate) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set rate\n"); + return -EINVAL; + } + + stream->request.format.frequency = rate; + return 0; +} + +int sst_hsw_stream_set_map_config(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 map, + enum sst_hsw_channel_config config) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set map\n"); + return -EINVAL; + } + + stream->request.format.map = map; + stream->request.format.config = config; + return 0; +} + +int sst_hsw_stream_set_style(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, enum sst_hsw_interleaving style) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set style\n"); + return -EINVAL; + } + + stream->request.format.style = style; + return 0; +} + +int sst_hsw_stream_set_valid(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 bits) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set valid bits\n"); + return -EINVAL; + } + + stream->request.format.valid_bit = bits; + return 0; +} + +/* Stream Configuration */ +int sst_hsw_stream_format(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + enum sst_hsw_stream_path_id path_id, + enum sst_hsw_stream_type stream_type, + enum sst_hsw_stream_format format_id) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set format\n"); + return -EINVAL; + } + + stream->request.path_id = path_id; + stream->request.stream_type = stream_type; + stream->request.format_id = format_id; + + trace_hsw_stream_alloc_request(stream, &stream->request); + + return 0; +} + +int sst_hsw_stream_buffer(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 ring_pt_address, u32 num_pages, + u32 ring_size, u32 ring_offset, u32 ring_first_pfn) +{ + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for buffer\n"); + return -EINVAL; + } + + stream->request.ringinfo.ring_pt_address = ring_pt_address; + stream->request.ringinfo.num_pages = num_pages; + stream->request.ringinfo.ring_size = ring_size; + stream->request.ringinfo.ring_offset = ring_offset; + stream->request.ringinfo.ring_first_pfn = ring_first_pfn; + + trace_hsw_stream_buffer(stream); + + return 0; +} + +int sst_hsw_stream_set_module_info(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, struct sst_module_runtime *runtime) +{ + struct sst_hsw_module_map *map = &stream->request.map; + struct sst_dsp *dsp = sst_hsw_get_dsp(hsw); + struct sst_module *module = runtime->module; + + if (stream->commited) { + dev_err(hsw->dev, "error: stream committed for set module\n"); + return -EINVAL; + } + + /* only support initial module atm */ + map->module_entries_count = 1; + map->module_entries[0].module_id = module->id; + map->module_entries[0].entry_point = module->entry; + + stream->request.persistent_mem.offset = + sst_dsp_get_offset(dsp, runtime->persistent_offset, SST_MEM_DRAM); + stream->request.persistent_mem.size = module->persistent_size; + + stream->request.scratch_mem.offset = + sst_dsp_get_offset(dsp, dsp->scratch_offset, SST_MEM_DRAM); + stream->request.scratch_mem.size = dsp->scratch_size; + + dev_dbg(hsw->dev, "module %d runtime %d using:\n", module->id, + runtime->id); + dev_dbg(hsw->dev, " persistent offset 0x%x bytes 0x%x\n", + stream->request.persistent_mem.offset, + stream->request.persistent_mem.size); + dev_dbg(hsw->dev, " scratch offset 0x%x bytes 0x%x\n", + stream->request.scratch_mem.offset, + stream->request.scratch_mem.size); + + return 0; +} + +int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + struct sst_hsw_ipc_stream_alloc_req *str_req = &stream->request; + struct sst_hsw_ipc_stream_alloc_reply *reply = &stream->reply; + u32 header; + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to commit, ignore it.\n"); + return 0; + } + + if (stream->commited) { + dev_warn(hsw->dev, "warning: stream is already committed, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream alloc", stream->host_id); + + header = IPC_GLB_TYPE(IPC_GLB_ALLOCATE_STREAM); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, str_req, + sizeof(*str_req), reply, sizeof(*reply)); + if (ret < 0) { + dev_err(hsw->dev, "error: stream commit failed\n"); + return ret; + } + + stream->commited = 1; + trace_hsw_stream_alloc_reply(stream); + + return 0; +} + +snd_pcm_uframes_t sst_hsw_stream_get_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + return stream->old_position; +} + +void sst_hsw_stream_set_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, snd_pcm_uframes_t val) +{ + stream->old_position = val; +} + +bool sst_hsw_stream_get_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + return stream->play_silence; +} + +void sst_hsw_stream_set_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, bool val) +{ + stream->play_silence = val; +} + +/* Stream Information - these calls could be inline but we want the IPC + ABI to be opaque to client PCM drivers to cope with any future ABI changes */ +int sst_hsw_mixer_get_info(struct sst_hsw *hsw) +{ + struct sst_hsw_ipc_stream_info_reply *reply; + u32 header; + int ret; + + reply = &hsw->mixer_info; + header = IPC_GLB_TYPE(IPC_GLB_GET_MIXER_STREAM_INFO); + + trace_ipc_request("get global mixer info", 0); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, NULL, 0, + reply, sizeof(*reply)); + if (ret < 0) { + dev_err(hsw->dev, "error: get stream info failed\n"); + return ret; + } + + trace_hsw_mixer_info_reply(reply); + + return 0; +} + +/* Send stream command */ +static int sst_hsw_stream_operations(struct sst_hsw *hsw, int type, + int stream_id, int wait) +{ + u32 header; + + header = IPC_GLB_TYPE(IPC_GLB_STREAM_MESSAGE) | IPC_STR_TYPE(type); + header |= (stream_id << IPC_STR_ID_SHIFT); + + if (wait) + return sst_ipc_tx_message_wait(&hsw->ipc, header, + NULL, 0, NULL, 0); + else + return sst_ipc_tx_message_nowait(&hsw->ipc, header, NULL, 0); +} + +/* Stream ALSA trigger operations */ +int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait) +{ + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to pause, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream pause", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_PAUSE, + stream->reply.stream_hw_id, wait); + if (ret < 0) + dev_err(hsw->dev, "error: failed to pause stream %d\n", + stream->reply.stream_hw_id); + + return ret; +} + +int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait) +{ + int ret; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to resume, ignore it.\n"); + return 0; + } + + trace_ipc_request("stream resume", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_RESUME, + stream->reply.stream_hw_id, wait); + if (ret < 0) + dev_err(hsw->dev, "error: failed to resume stream %d\n", + stream->reply.stream_hw_id); + + return ret; +} + +int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream) +{ + int ret, tries = 10; + + if (!stream) { + dev_warn(hsw->dev, "warning: stream is NULL, no stream to reset, ignore it.\n"); + return 0; + } + + /* dont reset streams that are not commited */ + if (!stream->commited) + return 0; + + /* wait for pause to complete before we reset the stream */ + while (stream->running && tries--) + msleep(1); + if (!tries) { + dev_err(hsw->dev, "error: reset stream %d still running\n", + stream->reply.stream_hw_id); + return -EINVAL; + } + + trace_ipc_request("stream reset", stream->reply.stream_hw_id); + + ret = sst_hsw_stream_operations(hsw, IPC_STR_RESET, + stream->reply.stream_hw_id, 1); + if (ret < 0) + dev_err(hsw->dev, "error: failed to reset stream %d\n", + stream->reply.stream_hw_id); + return ret; +} + +/* Stream pointer positions */ +u32 sst_hsw_get_dsp_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + u32 rpos; + + sst_dsp_read(hsw->dsp, &rpos, + stream->reply.read_position_register_address, sizeof(rpos)); + + return rpos; +} + +/* Stream presentation (monotonic) positions */ +u64 sst_hsw_get_dsp_presentation_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream) +{ + u64 ppos; + + sst_dsp_read(hsw->dsp, &ppos, + stream->reply.presentation_position_register_address, + sizeof(ppos)); + + return ppos; +} + +/* physical BE config */ +int sst_hsw_device_set_config(struct sst_hsw *hsw, + enum sst_hsw_device_id dev, enum sst_hsw_device_mclk mclk, + enum sst_hsw_device_mode mode, u32 clock_divider) +{ + struct sst_hsw_ipc_device_config_req config; + u32 header; + int ret; + + trace_ipc_request("set device config", dev); + + config.ssp_interface = dev; + config.clock_frequency = mclk; + config.mode = mode; + config.clock_divider = clock_divider; + if (mode == SST_HSW_DEVICE_TDM_CLOCK_MASTER) + config.channels = 4; + else + config.channels = 2; + + trace_hsw_device_config_req(&config); + + header = IPC_GLB_TYPE(IPC_GLB_SET_DEVICE_FORMATS); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &config, + sizeof(config), NULL, 0); + if (ret < 0) + dev_err(hsw->dev, "error: set device formats failed\n"); + + return ret; +} +EXPORT_SYMBOL_GPL(sst_hsw_device_set_config); + +/* DX Config */ +int sst_hsw_dx_set_state(struct sst_hsw *hsw, + enum sst_hsw_dx_state state, struct sst_hsw_ipc_dx_reply *dx) +{ + u32 header, state_; + int ret, item; + + header = IPC_GLB_TYPE(IPC_GLB_ENTER_DX_STATE); + state_ = state; + + trace_ipc_request("PM enter Dx state", state); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, &state_, + sizeof(state_), dx, sizeof(*dx)); + if (ret < 0) { + dev_err(hsw->dev, "ipc: error set dx state %d failed\n", state); + return ret; + } + + for (item = 0; item < dx->entries_no; item++) { + dev_dbg(hsw->dev, + "Item[%d] offset[%x] - size[%x] - source[%x]\n", + item, dx->mem_info[item].offset, + dx->mem_info[item].size, + dx->mem_info[item].source); + } + dev_dbg(hsw->dev, "ipc: got %d entry numbers for state %d\n", + dx->entries_no, state); + + return ret; +} + +struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw, + int mod_id, int offset) +{ + struct sst_dsp *dsp = hsw->dsp; + struct sst_module *module; + struct sst_module_runtime *runtime; + int err; + + module = sst_module_get_from_id(dsp, mod_id); + if (module == NULL) { + dev_err(dsp->dev, "error: failed to get module %d for pcm\n", + mod_id); + return NULL; + } + + runtime = sst_module_runtime_new(module, mod_id, NULL); + if (runtime == NULL) { + dev_err(dsp->dev, "error: failed to create module %d runtime\n", + mod_id); + return NULL; + } + + err = sst_module_runtime_alloc_blocks(runtime, offset); + if (err < 0) { + dev_err(dsp->dev, "error: failed to alloc blocks for module %d runtime\n", + mod_id); + sst_module_runtime_free(runtime); + return NULL; + } + + dev_dbg(dsp->dev, "runtime id %d created for module %d\n", runtime->id, + mod_id); + return runtime; +} + +void sst_hsw_runtime_module_free(struct sst_module_runtime *runtime) +{ + sst_module_runtime_free_blocks(runtime); + sst_module_runtime_free(runtime); +} + +#ifdef CONFIG_PM +static int sst_hsw_dx_state_dump(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 item, offset, size; + int ret = 0; + + trace_ipc_request("PM state dump. Items #", SST_HSW_MAX_DX_REGIONS); + + if (hsw->dx.entries_no > SST_HSW_MAX_DX_REGIONS) { + dev_err(hsw->dev, + "error: number of FW context regions greater than %d\n", + SST_HSW_MAX_DX_REGIONS); + memset(&hsw->dx, 0, sizeof(hsw->dx)); + return -EINVAL; + } + + ret = sst_dsp_dma_get_channel(sst, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + /* set on-demond mode on engine 0 channel 3 */ + sst_dsp_shim_update_bits(sst, SST_HMDC, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH, + SST_HMDC_HDDA_E0_ALLCH | SST_HMDC_HDDA_E1_ALLCH); + + for (item = 0; item < hsw->dx.entries_no; item++) { + if (hsw->dx.mem_info[item].source == SST_HSW_DX_TYPE_MEMORY_DUMP + && hsw->dx.mem_info[item].offset > DSP_DRAM_ADDR_OFFSET + && hsw->dx.mem_info[item].offset < + DSP_DRAM_ADDR_OFFSET + SST_HSW_DX_CONTEXT_SIZE) { + + offset = hsw->dx.mem_info[item].offset + - DSP_DRAM_ADDR_OFFSET; + size = (hsw->dx.mem_info[item].size + 3) & (~3); + + ret = sst_dsp_dma_copyfrom(sst, hsw->dx_context_paddr + offset, + sst->addr.lpe_base + offset, size); + if (ret < 0) { + dev_err(hsw->dev, + "error: FW context dump failed\n"); + memset(&hsw->dx, 0, sizeof(hsw->dx)); + goto out; + } + } + } + +out: + sst_dsp_dma_put_channel(sst); + return ret; +} + +static int sst_hsw_dx_state_restore(struct sst_hsw *hsw) +{ + struct sst_dsp *sst = hsw->dsp; + u32 item, offset, size; + int ret; + + for (item = 0; item < hsw->dx.entries_no; item++) { + if (hsw->dx.mem_info[item].source == SST_HSW_DX_TYPE_MEMORY_DUMP + && hsw->dx.mem_info[item].offset > DSP_DRAM_ADDR_OFFSET + && hsw->dx.mem_info[item].offset < + DSP_DRAM_ADDR_OFFSET + SST_HSW_DX_CONTEXT_SIZE) { + + offset = hsw->dx.mem_info[item].offset + - DSP_DRAM_ADDR_OFFSET; + size = (hsw->dx.mem_info[item].size + 3) & (~3); + + ret = sst_dsp_dma_copyto(sst, sst->addr.lpe_base + offset, + hsw->dx_context_paddr + offset, size); + if (ret < 0) { + dev_err(hsw->dev, + "error: FW context restore failed\n"); + return ret; + } + } + } + + return 0; +} + +int sst_hsw_dsp_load(struct sst_hsw *hsw) +{ + struct sst_dsp *dsp = hsw->dsp; + struct sst_fw *sst_fw, *t; + int ret; + + dev_dbg(hsw->dev, "loading audio DSP...."); + + ret = sst_dsp_wake(dsp); + if (ret < 0) { + dev_err(hsw->dev, "error: failed to wake audio DSP\n"); + return -ENODEV; + } + + ret = sst_dsp_dma_get_channel(dsp, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + list_for_each_entry_safe_reverse(sst_fw, t, &dsp->fw_list, list) { + ret = sst_fw_reload(sst_fw); + if (ret < 0) { + dev_err(hsw->dev, "error: SST FW reload failed\n"); + sst_dsp_dma_put_channel(dsp); + return -ENOMEM; + } + } + ret = sst_block_alloc_scratch(hsw->dsp); + if (ret < 0) + return -EINVAL; + + sst_dsp_dma_put_channel(dsp); + return 0; +} + +static int sst_hsw_dsp_restore(struct sst_hsw *hsw) +{ + struct sst_dsp *dsp = hsw->dsp; + int ret; + + dev_dbg(hsw->dev, "restoring audio DSP...."); + + ret = sst_dsp_dma_get_channel(dsp, 0); + if (ret < 0) { + dev_err(hsw->dev, "error: cant allocate dma channel %d\n", ret); + return ret; + } + + ret = sst_hsw_dx_state_restore(hsw); + if (ret < 0) { + dev_err(hsw->dev, "error: SST FW context restore failed\n"); + sst_dsp_dma_put_channel(dsp); + return -ENOMEM; + } + sst_dsp_dma_put_channel(dsp); + + /* wait for DSP boot completion */ + sst_dsp_boot(dsp); + + return ret; +} + +int sst_hsw_dsp_runtime_suspend(struct sst_hsw *hsw) +{ + int ret; + + dev_dbg(hsw->dev, "audio dsp runtime suspend\n"); + + ret = sst_hsw_dx_set_state(hsw, SST_HSW_DX_STATE_D3, &hsw->dx); + if (ret < 0) + return ret; + + sst_dsp_stall(hsw->dsp); + + ret = sst_hsw_dx_state_dump(hsw); + if (ret < 0) + return ret; + + sst_ipc_drop_all(&hsw->ipc); + + return 0; +} + +int sst_hsw_dsp_runtime_sleep(struct sst_hsw *hsw) +{ + struct sst_fw *sst_fw, *t; + struct sst_dsp *dsp = hsw->dsp; + + list_for_each_entry_safe(sst_fw, t, &dsp->fw_list, list) { + sst_fw_unload(sst_fw); + } + sst_block_free_scratch(dsp); + + hsw->boot_complete = false; + + sst_dsp_sleep(dsp); + + return 0; +} + +int sst_hsw_dsp_runtime_resume(struct sst_hsw *hsw) +{ + struct device *dev = hsw->dev; + int ret; + + dev_dbg(dev, "audio dsp runtime resume\n"); + + if (hsw->boot_complete) + return 1; /* tell caller no action is required */ + + ret = sst_hsw_dsp_restore(hsw); + if (ret < 0) + dev_err(dev, "error: audio DSP boot failure\n"); + + sst_hsw_init_module_state(hsw); + + ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, + msecs_to_jiffies(IPC_BOOT_MSECS)); + if (ret == 0) { + dev_err(hsw->dev, "error: audio DSP boot timeout IPCD 0x%x IPCX 0x%x\n", + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCD), + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX)); + return -EIO; + } + + /* Set ADSP SSP port settings */ + ret = sst_hsw_device_set_config(hsw, SST_HSW_DEVICE_SSP_0, + SST_HSW_DEVICE_MCLK_FREQ_24_MHZ, + SST_HSW_DEVICE_CLOCK_MASTER, 9); + if (ret < 0) + dev_err(dev, "error: SSP re-initialization failed\n"); + + return ret; +} +#endif + +struct sst_dsp *sst_hsw_get_dsp(struct sst_hsw *hsw) +{ + return hsw->dsp; +} + +void sst_hsw_init_module_state(struct sst_hsw *hsw) +{ + struct sst_module *module; + enum sst_hsw_module_id id; + + /* the base fw contains several modules */ + for (id = SST_HSW_MODULE_BASE_FW; id < SST_HSW_MAX_MODULE_ID; id++) { + module = sst_module_get_from_id(hsw->dsp, id); + if (module) { + /* module waves is active only after being enabled */ + if (id == SST_HSW_MODULE_WAVES) + module->state = SST_MODULE_STATE_INITIALIZED; + else + module->state = SST_MODULE_STATE_ACTIVE; + } + } +} + +bool sst_hsw_is_module_loaded(struct sst_hsw *hsw, u32 module_id) +{ + struct sst_module *module; + + module = sst_module_get_from_id(hsw->dsp, module_id); + if (module == NULL || module->state == SST_MODULE_STATE_UNLOADED) + return false; + else + return true; +} + +bool sst_hsw_is_module_active(struct sst_hsw *hsw, u32 module_id) +{ + struct sst_module *module; + + module = sst_module_get_from_id(hsw->dsp, module_id); + if (module != NULL && module->state == SST_MODULE_STATE_ACTIVE) + return true; + else + return false; +} + +void sst_hsw_set_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 |= (1 << module_id); +} + +void sst_hsw_set_module_disabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 &= ~(1 << module_id); +} + +bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + return hsw->enabled_modules_rtd3 & (1 << module_id); +} + +void sst_hsw_reset_param_buf(struct sst_hsw *hsw) +{ + hsw->param_idx_w = 0; + hsw->param_idx_r = 0; + memset((void *)hsw->param_buf, 0, sizeof(hsw->param_buf)); +} + +int sst_hsw_store_param_line(struct sst_hsw *hsw, u8 *buf) +{ + /* save line to the first available position of param buffer */ + if (hsw->param_idx_w > WAVES_PARAM_LINES - 1) { + dev_warn(hsw->dev, "warning: param buffer overflow!\n"); + return -EPERM; + } + memcpy(hsw->param_buf[hsw->param_idx_w], buf, WAVES_PARAM_COUNT); + hsw->param_idx_w++; + return 0; +} + +int sst_hsw_load_param_line(struct sst_hsw *hsw, u8 *buf) +{ + u8 id = 0; + + /* read the first matching line from param buffer */ + while (hsw->param_idx_r < WAVES_PARAM_LINES) { + id = hsw->param_buf[hsw->param_idx_r][0]; + hsw->param_idx_r++; + if (buf[0] == id) { + memcpy(buf, hsw->param_buf[hsw->param_idx_r], + WAVES_PARAM_COUNT); + break; + } + } + if (hsw->param_idx_r > WAVES_PARAM_LINES - 1) { + dev_dbg(hsw->dev, "end of buffer, roll to the beginning\n"); + hsw->param_idx_r = 0; + return 0; + } + return 0; +} + +int sst_hsw_launch_param_buf(struct sst_hsw *hsw) +{ + int ret, idx; + + if (!sst_hsw_is_module_active(hsw, SST_HSW_MODULE_WAVES)) { + dev_dbg(hsw->dev, "module waves is not active\n"); + return 0; + } + + /* put all param lines to DSP through ipc */ + for (idx = 0; idx < hsw->param_idx_w; idx++) { + ret = sst_hsw_module_set_param(hsw, + SST_HSW_MODULE_WAVES, 0, hsw->param_buf[idx][0], + WAVES_PARAM_COUNT, hsw->param_buf[idx]); + if (ret < 0) + return ret; + } + return 0; +} + +int sst_hsw_module_load(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, char *name) +{ + int ret = 0; + const struct firmware *fw = NULL; + struct sst_fw *hsw_sst_fw; + struct sst_module *module; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + dev_dbg(dev, "sst_hsw_module_load id=%d, name='%s'", module_id, name); + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + /* loading for the first time */ + if (module_id == SST_HSW_MODULE_BASE_FW) { + /* for base module: use fw requested in acpi probe */ + fw = dsp->pdata->fw; + if (!fw) { + dev_err(dev, "request Base fw failed\n"); + return -ENODEV; + } + } else { + /* try and load any other optional modules if they are + * available. Use dev_info instead of dev_err in case + * request firmware failed */ + ret = request_firmware(&fw, name, dev); + if (ret) { + dev_info(dev, "fw image %s not available(%d)\n", + name, ret); + return ret; + } + } + hsw_sst_fw = sst_fw_new(dsp, fw, hsw); + if (hsw_sst_fw == NULL) { + dev_err(dev, "error: failed to load firmware\n"); + ret = -ENOMEM; + goto out; + } + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "error: no module %d in firmware %s\n", + module_id, name); + } + } else + dev_info(dev, "module %d (%s) already loaded\n", + module_id, name); +out: + /* release fw, but base fw should be released by acpi driver */ + if (fw && module_id != SST_HSW_MODULE_BASE_FW) + release_firmware(fw); + + return ret; +} + +int sst_hsw_module_enable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id) +{ + int ret; + u32 header = 0; + struct sst_hsw_ipc_module_config config; + struct sst_module *module; + struct sst_module_runtime *runtime; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + if (!sst_hsw_is_module_loaded(hsw, module_id)) { + dev_dbg(dev, "module %d not loaded\n", module_id); + return 0; + } + + if (sst_hsw_is_module_active(hsw, module_id)) { + dev_info(dev, "module %d already enabled\n", module_id); + return 0; + } + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "module %d not valid\n", module_id); + return -ENXIO; + } + + runtime = sst_module_runtime_get_from_id(module, module_id); + if (runtime == NULL) { + dev_err(dev, "runtime %d not valid", module_id); + return -ENXIO; + } + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_ENABLE) | + IPC_MODULE_ID(module_id); + dev_dbg(dev, "module enable header: %x\n", header); + + config.map.module_entries_count = 1; + config.map.module_entries[0].module_id = module->id; + config.map.module_entries[0].entry_point = module->entry; + + config.persistent_mem.offset = + sst_dsp_get_offset(dsp, + runtime->persistent_offset, SST_MEM_DRAM); + config.persistent_mem.size = module->persistent_size; + + config.scratch_mem.offset = + sst_dsp_get_offset(dsp, + dsp->scratch_offset, SST_MEM_DRAM); + config.scratch_mem.size = module->scratch_size; + dev_dbg(dev, "mod %d enable p:%d @ %x, s:%d @ %x, ep: %x", + config.map.module_entries[0].module_id, + config.persistent_mem.size, + config.persistent_mem.offset, + config.scratch_mem.size, config.scratch_mem.offset, + config.map.module_entries[0].entry_point); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, + &config, sizeof(config), NULL, 0); + if (ret < 0) + dev_err(dev, "ipc: module enable failed - %d\n", ret); + else + module->state = SST_MODULE_STATE_ACTIVE; + + return ret; +} + +int sst_hsw_module_disable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id) +{ + int ret; + u32 header; + struct sst_module *module; + struct device *dev = hsw->dev; + struct sst_dsp *dsp = hsw->dsp; + + if (!sst_hsw_is_module_loaded(hsw, module_id)) { + dev_dbg(dev, "module %d not loaded\n", module_id); + return 0; + } + + if (!sst_hsw_is_module_active(hsw, module_id)) { + dev_info(dev, "module %d already disabled\n", module_id); + return 0; + } + + module = sst_module_get_from_id(dsp, module_id); + if (module == NULL) { + dev_err(dev, "module %d not valid\n", module_id); + return -ENXIO; + } + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_DISABLE) | + IPC_MODULE_ID(module_id); + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, NULL, 0, NULL, 0); + if (ret < 0) + dev_err(dev, "module disable failed - %d\n", ret); + else + module->state = SST_MODULE_STATE_INITIALIZED; + + return ret; +} + +int sst_hsw_module_set_param(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, u32 parameter_id, + u32 param_size, char *param) +{ + int ret; + unsigned char *data = NULL; + u32 header = 0; + u32 payload_size = 0, transfer_parameter_size = 0; + dma_addr_t dma_addr = 0; + struct sst_hsw_transfer_parameter *parameter; + struct device *dev = hsw->dev; + + header = IPC_GLB_TYPE(IPC_GLB_MODULE_OPERATION) | + IPC_MODULE_OPERATION(IPC_MODULE_SET_PARAMETER) | + IPC_MODULE_ID(module_id); + dev_dbg(dev, "sst_hsw_module_set_param header=%x\n", header); + + payload_size = param_size + + sizeof(struct sst_hsw_transfer_parameter) - + sizeof(struct sst_hsw_transfer_list); + dev_dbg(dev, "parameter size : %d\n", param_size); + dev_dbg(dev, "payload size : %d\n", payload_size); + + if (payload_size <= SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE) { + /* short parameter, mailbox can contain data */ + dev_dbg(dev, "transfer parameter size : %d\n", + transfer_parameter_size); + + transfer_parameter_size = ALIGN(payload_size, 4); + dev_dbg(dev, "transfer parameter aligned size : %d\n", + transfer_parameter_size); + + parameter = kzalloc(transfer_parameter_size, GFP_KERNEL); + if (parameter == NULL) + return -ENOMEM; + + memcpy(parameter->data, param, param_size); + } else { + dev_warn(dev, "transfer parameter size too large!"); + return 0; + } + + parameter->parameter_id = parameter_id; + parameter->data_size = param_size; + + ret = sst_ipc_tx_message_wait(&hsw->ipc, header, + parameter, transfer_parameter_size , NULL, 0); + if (ret < 0) + dev_err(dev, "ipc: module set parameter failed - %d\n", ret); + + kfree(parameter); + + if (data) + dma_free_coherent(hsw->dsp->dma_dev, + param_size, (void *)data, dma_addr); + + return ret; +} + +static struct sst_dsp_device hsw_dev = { + .thread = hsw_irq_thread, + .ops = &haswell_ops, +}; + +static void hsw_tx_msg(struct sst_generic_ipc *ipc, struct ipc_message *msg) +{ + /* send the message */ + sst_dsp_outbox_write(ipc->dsp, msg->tx_data, msg->tx_size); + sst_dsp_ipc_msg_tx(ipc->dsp, msg->header); +} + +static void hsw_shim_dbg(struct sst_generic_ipc *ipc, const char *text) +{ + struct sst_dsp *sst = ipc->dsp; + u32 isr, ipcd, imrx, ipcx; + + ipcx = sst_dsp_shim_read_unlocked(sst, SST_IPCX); + isr = sst_dsp_shim_read_unlocked(sst, SST_ISRX); + ipcd = sst_dsp_shim_read_unlocked(sst, SST_IPCD); + imrx = sst_dsp_shim_read_unlocked(sst, SST_IMRX); + + dev_err(ipc->dev, + "ipc: --%s-- ipcx 0x%8.8x isr 0x%8.8x ipcd 0x%8.8x imrx 0x%8.8x\n", + text, ipcx, isr, ipcd, imrx); +} + +static void hsw_tx_data_copy(struct ipc_message *msg, char *tx_data, + size_t tx_size) +{ + memcpy(msg->tx_data, tx_data, tx_size); +} + +static u64 hsw_reply_msg_match(u64 header, u64 *mask) +{ + /* clear reply bits & status bits */ + header &= ~(IPC_STATUS_MASK | IPC_GLB_REPLY_MASK); + *mask = (u64)-1; + + return header; +} + +int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata) +{ + struct sst_hsw_ipc_fw_version version; + struct sst_hsw *hsw; + struct sst_generic_ipc *ipc; + int ret; + + dev_dbg(dev, "initialising Audio DSP IPC\n"); + + hsw = devm_kzalloc(dev, sizeof(*hsw), GFP_KERNEL); + if (hsw == NULL) + return -ENOMEM; + + ipc = &hsw->ipc; + ipc->dev = dev; + ipc->ops.tx_msg = hsw_tx_msg; + ipc->ops.shim_dbg = hsw_shim_dbg; + ipc->ops.tx_data_copy = hsw_tx_data_copy; + ipc->ops.reply_msg_match = hsw_reply_msg_match; + + ret = sst_ipc_init(ipc); + if (ret != 0) + goto ipc_init_err; + + INIT_LIST_HEAD(&hsw->stream_list); + init_waitqueue_head(&hsw->boot_wait); + hsw_dev.thread_context = hsw; + + /* init SST shim */ + hsw->dsp = sst_dsp_new(dev, &hsw_dev, pdata); + if (hsw->dsp == NULL) { + ret = -ENODEV; + goto dsp_new_err; + } + + ipc->dsp = hsw->dsp; + + /* allocate DMA buffer for context storage */ + hsw->dx_context = dma_alloc_coherent(hsw->dsp->dma_dev, + SST_HSW_DX_CONTEXT_SIZE, &hsw->dx_context_paddr, GFP_KERNEL); + if (hsw->dx_context == NULL) { + ret = -ENOMEM; + goto dma_err; + } + + /* keep the DSP in reset state for base FW loading */ + sst_dsp_reset(hsw->dsp); + + /* load base module and other modules in base firmware image */ + ret = sst_hsw_module_load(hsw, SST_HSW_MODULE_BASE_FW, 0, "Base"); + if (ret < 0) + goto fw_err; + + /* try to load module waves */ + sst_hsw_module_load(hsw, SST_HSW_MODULE_WAVES, 0, "intel/IntcPP01.bin"); + + /* allocate scratch mem regions */ + ret = sst_block_alloc_scratch(hsw->dsp); + if (ret < 0) + goto boot_err; + + /* init param buffer */ + sst_hsw_reset_param_buf(hsw); + + /* wait for DSP boot completion */ + sst_dsp_boot(hsw->dsp); + ret = wait_event_timeout(hsw->boot_wait, hsw->boot_complete, + msecs_to_jiffies(IPC_BOOT_MSECS)); + if (ret == 0) { + ret = -EIO; + dev_err(hsw->dev, "error: audio DSP boot timeout IPCD 0x%x IPCX 0x%x\n", + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCD), + sst_dsp_shim_read_unlocked(hsw->dsp, SST_IPCX)); + goto boot_err; + } + + /* init module state after boot */ + sst_hsw_init_module_state(hsw); + + /* get the FW version */ + sst_hsw_fw_get_version(hsw, &version); + + /* get the globalmixer */ + ret = sst_hsw_mixer_get_info(hsw); + if (ret < 0) { + dev_err(hsw->dev, "error: failed to get stream info\n"); + goto boot_err; + } + + pdata->dsp = hsw; + return 0; + +boot_err: + sst_dsp_reset(hsw->dsp); + sst_fw_free_all(hsw->dsp); +fw_err: + dma_free_coherent(hsw->dsp->dma_dev, SST_HSW_DX_CONTEXT_SIZE, + hsw->dx_context, hsw->dx_context_paddr); +dma_err: + sst_dsp_free(hsw->dsp); +dsp_new_err: + sst_ipc_fini(ipc); +ipc_init_err: + return ret; +} +EXPORT_SYMBOL_GPL(sst_hsw_dsp_init); + +void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata) +{ + struct sst_hsw *hsw = pdata->dsp; + + sst_dsp_reset(hsw->dsp); + sst_fw_free_all(hsw->dsp); + dma_free_coherent(hsw->dsp->dma_dev, SST_HSW_DX_CONTEXT_SIZE, + hsw->dx_context, hsw->dx_context_paddr); + sst_dsp_free(hsw->dsp); + sst_ipc_fini(&hsw->ipc); +} +EXPORT_SYMBOL_GPL(sst_hsw_dsp_free); diff --git a/kernel/sound/soc/intel/haswell/sst-haswell-ipc.h b/kernel/sound/soc/intel/haswell/sst-haswell-ipc.h new file mode 100644 index 000000000..06d71aefa --- /dev/null +++ b/kernel/sound/soc/intel/haswell/sst-haswell-ipc.h @@ -0,0 +1,534 @@ +/* + * Intel SST Haswell/Broadwell IPC Support + * + * 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 __SST_HASWELL_IPC_H +#define __SST_HASWELL_IPC_H + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <sound/asound.h> + +#define SST_HSW_NO_CHANNELS 4 +#define SST_HSW_MAX_DX_REGIONS 14 +#define SST_HSW_DX_CONTEXT_SIZE (640 * 1024) +#define SST_HSW_CHANNELS_ALL 0xffffffff + +#define SST_HSW_FW_LOG_CONFIG_DWORDS 12 +#define SST_HSW_GLOBAL_LOG 15 + +/** + * Upfront defined maximum message size that is + * expected by the in/out communication pipes in FW. + */ +#define SST_HSW_IPC_MAX_PAYLOAD_SIZE 400 +#define SST_HSW_MAX_INFO_SIZE 64 +#define SST_HSW_BUILD_HASH_LENGTH 40 +#define SST_HSW_IPC_MAX_SHORT_PARAMETER_SIZE 500 +#define WAVES_PARAM_COUNT 128 +#define WAVES_PARAM_LINES 160 + +struct sst_hsw; +struct sst_hsw_stream; +struct sst_hsw_log_stream; +struct sst_pdata; +struct sst_module; +struct sst_module_runtime; +extern struct sst_ops haswell_ops; + +/* Stream Allocate Path ID */ +enum sst_hsw_stream_path_id { + SST_HSW_STREAM_PATH_SSP0_OUT = 0, + SST_HSW_STREAM_PATH_SSP0_IN = 1, + SST_HSW_STREAM_PATH_MAX_PATH_ID = 2, +}; + +/* Stream Allocate Stream Type */ +enum sst_hsw_stream_type { + SST_HSW_STREAM_TYPE_RENDER = 0, + SST_HSW_STREAM_TYPE_SYSTEM = 1, + SST_HSW_STREAM_TYPE_CAPTURE = 2, + SST_HSW_STREAM_TYPE_LOOPBACK = 3, + SST_HSW_STREAM_TYPE_MAX_STREAM_TYPE = 4, +}; + +/* Stream Allocate Stream Format */ +enum sst_hsw_stream_format { + SST_HSW_STREAM_FORMAT_PCM_FORMAT = 0, + SST_HSW_STREAM_FORMAT_MP3_FORMAT = 1, + SST_HSW_STREAM_FORMAT_AAC_FORMAT = 2, + SST_HSW_STREAM_FORMAT_MAX_FORMAT_ID = 3, +}; + +/* Device ID */ +enum sst_hsw_device_id { + SST_HSW_DEVICE_SSP_0 = 0, + SST_HSW_DEVICE_SSP_1 = 1, +}; + +/* Device Master Clock Frequency */ +enum sst_hsw_device_mclk { + SST_HSW_DEVICE_MCLK_OFF = 0, + SST_HSW_DEVICE_MCLK_FREQ_6_MHZ = 1, + SST_HSW_DEVICE_MCLK_FREQ_12_MHZ = 2, + SST_HSW_DEVICE_MCLK_FREQ_24_MHZ = 3, +}; + +/* Device Clock Master */ +enum sst_hsw_device_mode { + SST_HSW_DEVICE_CLOCK_SLAVE = 0, + SST_HSW_DEVICE_CLOCK_MASTER = 1, + SST_HSW_DEVICE_TDM_CLOCK_MASTER = 2, +}; + +/* DX Power State */ +enum sst_hsw_dx_state { + SST_HSW_DX_STATE_D0 = 0, + SST_HSW_DX_STATE_D1 = 1, + SST_HSW_DX_STATE_D3 = 3, + SST_HSW_DX_STATE_MAX = 3, +}; + +/* Audio stream stage IDs */ +enum sst_hsw_fx_stage_id { + SST_HSW_STAGE_ID_WAVES = 0, + SST_HSW_STAGE_ID_DTS = 1, + SST_HSW_STAGE_ID_DOLBY = 2, + SST_HSW_STAGE_ID_BOOST = 3, + SST_HSW_STAGE_ID_MAX_FX_ID +}; + +/* DX State Type */ +enum sst_hsw_dx_type { + SST_HSW_DX_TYPE_FW_IMAGE = 0, + SST_HSW_DX_TYPE_MEMORY_DUMP = 1 +}; + +/* Volume Curve Type*/ +enum sst_hsw_volume_curve { + SST_HSW_VOLUME_CURVE_NONE = 0, + SST_HSW_VOLUME_CURVE_FADE = 1 +}; + +/* Sample ordering */ +enum sst_hsw_interleaving { + SST_HSW_INTERLEAVING_PER_CHANNEL = 0, + SST_HSW_INTERLEAVING_PER_SAMPLE = 1, +}; + +/* Channel indices */ +enum sst_hsw_channel_index { + SST_HSW_CHANNEL_LEFT = 0, + SST_HSW_CHANNEL_CENTER = 1, + SST_HSW_CHANNEL_RIGHT = 2, + SST_HSW_CHANNEL_LEFT_SURROUND = 3, + SST_HSW_CHANNEL_CENTER_SURROUND = 3, + SST_HSW_CHANNEL_RIGHT_SURROUND = 4, + SST_HSW_CHANNEL_LFE = 7, + SST_HSW_CHANNEL_INVALID = 0xF, +}; + +/* List of supported channel maps. */ +enum sst_hsw_channel_config { + SST_HSW_CHANNEL_CONFIG_MONO = 0, /* mono only. */ + SST_HSW_CHANNEL_CONFIG_STEREO = 1, /* L & R. */ + SST_HSW_CHANNEL_CONFIG_2_POINT_1 = 2, /* L, R & LFE; PCM only. */ + SST_HSW_CHANNEL_CONFIG_3_POINT_0 = 3, /* L, C & R; MP3 & AAC only. */ + SST_HSW_CHANNEL_CONFIG_3_POINT_1 = 4, /* L, C, R & LFE; PCM only. */ + SST_HSW_CHANNEL_CONFIG_QUATRO = 5, /* L, R, Ls & Rs; PCM only. */ + SST_HSW_CHANNEL_CONFIG_4_POINT_0 = 6, /* L, C, R & Cs; MP3 & AAC only. */ + SST_HSW_CHANNEL_CONFIG_5_POINT_0 = 7, /* L, C, R, Ls & Rs. */ + SST_HSW_CHANNEL_CONFIG_5_POINT_1 = 8, /* L, C, R, Ls, Rs & LFE. */ + SST_HSW_CHANNEL_CONFIG_DUAL_MONO = 9, /* One channel replicated in two. */ + SST_HSW_CHANNEL_CONFIG_INVALID, +}; + +/* List of supported bit depths. */ +enum sst_hsw_bitdepth { + SST_HSW_DEPTH_8BIT = 8, + SST_HSW_DEPTH_16BIT = 16, + SST_HSW_DEPTH_24BIT = 24, /* Default. */ + SST_HSW_DEPTH_32BIT = 32, + SST_HSW_DEPTH_INVALID = 33, +}; + +enum sst_hsw_module_id { + SST_HSW_MODULE_BASE_FW = 0x0, + SST_HSW_MODULE_MP3 = 0x1, + SST_HSW_MODULE_AAC_5_1 = 0x2, + SST_HSW_MODULE_AAC_2_0 = 0x3, + SST_HSW_MODULE_SRC = 0x4, + SST_HSW_MODULE_WAVES = 0x5, + SST_HSW_MODULE_DOLBY = 0x6, + SST_HSW_MODULE_BOOST = 0x7, + SST_HSW_MODULE_LPAL = 0x8, + SST_HSW_MODULE_DTS = 0x9, + SST_HSW_MODULE_PCM_CAPTURE = 0xA, + SST_HSW_MODULE_PCM_SYSTEM = 0xB, + SST_HSW_MODULE_PCM_REFERENCE = 0xC, + SST_HSW_MODULE_PCM = 0xD, + SST_HSW_MODULE_BLUETOOTH_RENDER_MODULE = 0xE, + SST_HSW_MODULE_BLUETOOTH_CAPTURE_MODULE = 0xF, + SST_HSW_MAX_MODULE_ID, +}; + +enum sst_hsw_performance_action { + SST_HSW_PERF_START = 0, + SST_HSW_PERF_STOP = 1, +}; + +struct sst_hsw_transfer_info { + uint32_t destination; /* destination address */ + uint32_t reverse:1; /* if 1 data flows from destination */ + uint32_t size:31; /* transfer size in bytes.*/ + uint16_t first_page_offset; /* offset to data in the first page. */ + uint8_t packed_pages; /* page addresses. Each occupies 20 bits */ +} __attribute__((packed)); + +struct sst_hsw_transfer_list { + uint32_t transfers_count; + struct sst_hsw_transfer_info transfers; +} __attribute__((packed)); + +struct sst_hsw_transfer_parameter { + uint32_t parameter_id; + uint32_t data_size; + union { + uint8_t data[1]; + struct sst_hsw_transfer_list transfer_list; + }; +} __attribute__((packed)); + +/* SST firmware module info */ +struct sst_hsw_module_info { + u8 name[SST_HSW_MAX_INFO_SIZE]; + u8 version[SST_HSW_MAX_INFO_SIZE]; +} __attribute__((packed)); + +/* Module entry point */ +struct sst_hsw_module_entry { + enum sst_hsw_module_id module_id; + u32 entry_point; +} __attribute__((packed)); + +/* Module map - alignement matches DSP */ +struct sst_hsw_module_map { + u8 module_entries_count; + struct sst_hsw_module_entry module_entries[1]; +} __attribute__((packed)); + +struct sst_hsw_memory_info { + u32 offset; + u32 size; +} __attribute__((packed)); + +struct sst_hsw_fx_enable { + struct sst_hsw_module_map module_map; + struct sst_hsw_memory_info persistent_mem; +} __attribute__((packed)); + +struct sst_hsw_ipc_module_config { + struct sst_hsw_module_map map; + struct sst_hsw_memory_info persistent_mem; + struct sst_hsw_memory_info scratch_mem; +} __attribute__((packed)); + +struct sst_hsw_get_fx_param { + u32 parameter_id; + u32 param_size; +} __attribute__((packed)); + +struct sst_hsw_perf_action { + u32 action; +} __attribute__((packed)); + +struct sst_hsw_perf_data { + u64 timestamp; + u64 cycles; + u64 datatime; +} __attribute__((packed)); + +/* FW version */ +struct sst_hsw_ipc_fw_version { + u8 build; + u8 minor; + u8 major; + u8 type; + u8 fw_build_hash[SST_HSW_BUILD_HASH_LENGTH]; + u32 fw_log_providers_hash; +} __attribute__((packed)); + +/* Stream ring info */ +struct sst_hsw_ipc_stream_ring { + u32 ring_pt_address; + u32 num_pages; + u32 ring_size; + u32 ring_offset; + u32 ring_first_pfn; +} __attribute__((packed)); + +/* Debug Dump Log Enable Request */ +struct sst_hsw_ipc_debug_log_enable_req { + struct sst_hsw_ipc_stream_ring ringinfo; + u32 config[SST_HSW_FW_LOG_CONFIG_DWORDS]; +} __attribute__((packed)); + +/* Debug Dump Log Reply */ +struct sst_hsw_ipc_debug_log_reply { + u32 log_buffer_begining; + u32 log_buffer_size; +} __attribute__((packed)); + +/* Stream glitch position */ +struct sst_hsw_ipc_stream_glitch_position { + u32 glitch_type; + u32 present_pos; + u32 write_pos; +} __attribute__((packed)); + +/* Stream get position */ +struct sst_hsw_ipc_stream_get_position { + u32 position; + u32 fw_cycle_count; +} __attribute__((packed)); + +/* Stream set position */ +struct sst_hsw_ipc_stream_set_position { + u32 position; + u32 end_of_buffer; +} __attribute__((packed)); + +/* Stream Free Request */ +struct sst_hsw_ipc_stream_free_req { + u8 stream_id; + u8 reserved[3]; +} __attribute__((packed)); + +/* Set Volume Request */ +struct sst_hsw_ipc_volume_req { + u32 channel; + u32 target_volume; + u64 curve_duration; + u32 curve_type; +} __attribute__((packed)); + +/* Device Configuration Request */ +struct sst_hsw_ipc_device_config_req { + u32 ssp_interface; + u32 clock_frequency; + u32 mode; + u16 clock_divider; + u8 channels; + u8 reserved; +} __attribute__((packed)); + +/* Audio Data formats */ +struct sst_hsw_audio_data_format_ipc { + u32 frequency; + u32 bitdepth; + u32 map; + u32 config; + u32 style; + u8 ch_num; + u8 valid_bit; + u8 reserved[2]; +} __attribute__((packed)); + +/* Stream Allocate Request */ +struct sst_hsw_ipc_stream_alloc_req { + u8 path_id; + u8 stream_type; + u8 format_id; + u8 reserved; + struct sst_hsw_audio_data_format_ipc format; + struct sst_hsw_ipc_stream_ring ringinfo; + struct sst_hsw_module_map map; + struct sst_hsw_memory_info persistent_mem; + struct sst_hsw_memory_info scratch_mem; + u32 number_of_notifications; +} __attribute__((packed)); + +/* Stream Allocate Reply */ +struct sst_hsw_ipc_stream_alloc_reply { + u32 stream_hw_id; + u32 mixer_hw_id; // returns rate ???? + u32 read_position_register_address; + u32 presentation_position_register_address; + u32 peak_meter_register_address[SST_HSW_NO_CHANNELS]; + u32 volume_register_address[SST_HSW_NO_CHANNELS]; +} __attribute__((packed)); + +/* Get Mixer Stream Info */ +struct sst_hsw_ipc_stream_info_reply { + u32 mixer_hw_id; + u32 peak_meter_register_address[SST_HSW_NO_CHANNELS]; + u32 volume_register_address[SST_HSW_NO_CHANNELS]; +} __attribute__((packed)); + +/* DX State Request */ +struct sst_hsw_ipc_dx_req { + u8 state; + u8 reserved[3]; +} __attribute__((packed)); + +/* DX State Reply Memory Info Item */ +struct sst_hsw_ipc_dx_memory_item { + u32 offset; + u32 size; + u32 source; +} __attribute__((packed)); + +/* DX State Reply */ +struct sst_hsw_ipc_dx_reply { + u32 entries_no; + struct sst_hsw_ipc_dx_memory_item mem_info[SST_HSW_MAX_DX_REGIONS]; +} __attribute__((packed)); + +struct sst_hsw_ipc_fw_version; + +/* SST Init & Free */ +struct sst_hsw *sst_hsw_new(struct device *dev, const u8 *fw, size_t fw_length, + u32 fw_offset); +void sst_hsw_free(struct sst_hsw *hsw); +int sst_hsw_fw_get_version(struct sst_hsw *hsw, + struct sst_hsw_ipc_fw_version *version); +u32 create_channel_map(enum sst_hsw_channel_config config); + +/* Stream Mixer Controls - */ +int sst_hsw_stream_set_volume(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 volume); +int sst_hsw_stream_get_volume(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 stage_id, u32 channel, u32 *volume); + +/* Global Mixer Controls - */ +int sst_hsw_mixer_set_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 volume); +int sst_hsw_mixer_get_volume(struct sst_hsw *hsw, u32 stage_id, u32 channel, + u32 *volume); + +/* Stream API */ +struct sst_hsw_stream *sst_hsw_stream_new(struct sst_hsw *hsw, int id, + u32 (*get_write_position)(struct sst_hsw_stream *stream, void *data), + void *data); + +int sst_hsw_stream_free(struct sst_hsw *hsw, struct sst_hsw_stream *stream); + +/* Stream Configuration */ +int sst_hsw_stream_format(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + enum sst_hsw_stream_path_id path_id, + enum sst_hsw_stream_type stream_type, + enum sst_hsw_stream_format format_id); + +int sst_hsw_stream_buffer(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 ring_pt_address, u32 num_pages, + u32 ring_size, u32 ring_offset, u32 ring_first_pfn); + +int sst_hsw_stream_commit(struct sst_hsw *hsw, struct sst_hsw_stream *stream); + +int sst_hsw_stream_set_valid(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + u32 bits); +int sst_hsw_stream_set_rate(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int rate); +int sst_hsw_stream_set_bits(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + enum sst_hsw_bitdepth bits); +int sst_hsw_stream_set_channels(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, int channels); +int sst_hsw_stream_set_map_config(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 map, + enum sst_hsw_channel_config config); +int sst_hsw_stream_set_style(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + enum sst_hsw_interleaving style); +int sst_hsw_stream_set_module_info(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, struct sst_module_runtime *runtime); +int sst_hsw_stream_set_pmemory_info(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 offset, u32 size); +int sst_hsw_stream_set_smemory_info(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 offset, u32 size); +snd_pcm_uframes_t sst_hsw_stream_get_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream); +void sst_hsw_stream_set_old_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, snd_pcm_uframes_t val); +bool sst_hsw_stream_get_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream); +void sst_hsw_stream_set_silence_start(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, bool val); +int sst_hsw_mixer_get_info(struct sst_hsw *hsw); + +/* Stream ALSA trigger operations */ +int sst_hsw_stream_pause(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait); +int sst_hsw_stream_resume(struct sst_hsw *hsw, struct sst_hsw_stream *stream, + int wait); +int sst_hsw_stream_reset(struct sst_hsw *hsw, struct sst_hsw_stream *stream); + +/* Stream pointer positions */ +int sst_hsw_stream_get_read_pos(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 *position); +int sst_hsw_stream_get_write_pos(struct sst_hsw *hsw, + struct sst_hsw_stream *stream, u32 *position); +u32 sst_hsw_get_dsp_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream); +u64 sst_hsw_get_dsp_presentation_position(struct sst_hsw *hsw, + struct sst_hsw_stream *stream); + +/* HW port config */ +int sst_hsw_device_set_config(struct sst_hsw *hsw, + enum sst_hsw_device_id dev, enum sst_hsw_device_mclk mclk, + enum sst_hsw_device_mode mode, u32 clock_divider); + +/* DX Config */ +int sst_hsw_dx_set_state(struct sst_hsw *hsw, + enum sst_hsw_dx_state state, struct sst_hsw_ipc_dx_reply *dx); + +/* init */ +int sst_hsw_dsp_init(struct device *dev, struct sst_pdata *pdata); +void sst_hsw_dsp_free(struct device *dev, struct sst_pdata *pdata); +struct sst_dsp *sst_hsw_get_dsp(struct sst_hsw *hsw); + +/* fw module function */ +void sst_hsw_init_module_state(struct sst_hsw *hsw); +bool sst_hsw_is_module_loaded(struct sst_hsw *hsw, u32 module_id); +bool sst_hsw_is_module_active(struct sst_hsw *hsw, u32 module_id); +void sst_hsw_set_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id); +void sst_hsw_set_module_disabled_rtd3(struct sst_hsw *hsw, u32 module_id); +bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id); +void sst_hsw_reset_param_buf(struct sst_hsw *hsw); +int sst_hsw_store_param_line(struct sst_hsw *hsw, u8 *buf); +int sst_hsw_load_param_line(struct sst_hsw *hsw, u8 *buf); +int sst_hsw_launch_param_buf(struct sst_hsw *hsw); + +int sst_hsw_module_load(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, char *name); +int sst_hsw_module_enable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id); +int sst_hsw_module_disable(struct sst_hsw *hsw, + u32 module_id, u32 instance_id); +int sst_hsw_module_set_param(struct sst_hsw *hsw, + u32 module_id, u32 instance_id, u32 parameter_id, + u32 param_size, char *param); + +/* runtime module management */ +struct sst_module_runtime *sst_hsw_runtime_module_create(struct sst_hsw *hsw, + int mod_id, int offset); +void sst_hsw_runtime_module_free(struct sst_module_runtime *runtime); + +/* PM */ +int sst_hsw_dsp_runtime_resume(struct sst_hsw *hsw); +int sst_hsw_dsp_runtime_suspend(struct sst_hsw *hsw); +int sst_hsw_dsp_load(struct sst_hsw *hsw); +int sst_hsw_dsp_runtime_sleep(struct sst_hsw *hsw); + +#endif diff --git a/kernel/sound/soc/intel/haswell/sst-haswell-pcm.c b/kernel/sound/soc/intel/haswell/sst-haswell-pcm.c new file mode 100644 index 000000000..23ae0400d --- /dev/null +++ b/kernel/sound/soc/intel/haswell/sst-haswell-pcm.c @@ -0,0 +1,1405 @@ +/* + * Intel SST Haswell/Broadwell PCM Support + * + * 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. + * + */ + +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/slab.h> +#include <linux/delay.h> +#include <linux/pm_runtime.h> +#include <asm/page.h> +#include <asm/pgtable.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/dmaengine_pcm.h> +#include <sound/soc.h> +#include <sound/tlv.h> +#include <sound/compress_driver.h> + +#include "../haswell/sst-haswell-ipc.h" +#include "../common/sst-dsp-priv.h" +#include "../common/sst-dsp.h" + +#define HSW_PCM_COUNT 6 +#define HSW_VOLUME_MAX 0x7FFFFFFF /* 0dB */ + +#define SST_OLD_POSITION(d, r, o) ((d) + \ + frames_to_bytes(r, o)) +#define SST_SAMPLES(r, x) (bytes_to_samples(r, \ + frames_to_bytes(r, (x)))) + +/* simple volume table */ +static const u32 volume_map[] = { + HSW_VOLUME_MAX >> 30, + HSW_VOLUME_MAX >> 29, + HSW_VOLUME_MAX >> 28, + HSW_VOLUME_MAX >> 27, + HSW_VOLUME_MAX >> 26, + HSW_VOLUME_MAX >> 25, + HSW_VOLUME_MAX >> 24, + HSW_VOLUME_MAX >> 23, + HSW_VOLUME_MAX >> 22, + HSW_VOLUME_MAX >> 21, + HSW_VOLUME_MAX >> 20, + HSW_VOLUME_MAX >> 19, + HSW_VOLUME_MAX >> 18, + HSW_VOLUME_MAX >> 17, + HSW_VOLUME_MAX >> 16, + HSW_VOLUME_MAX >> 15, + HSW_VOLUME_MAX >> 14, + HSW_VOLUME_MAX >> 13, + HSW_VOLUME_MAX >> 12, + HSW_VOLUME_MAX >> 11, + HSW_VOLUME_MAX >> 10, + HSW_VOLUME_MAX >> 9, + HSW_VOLUME_MAX >> 8, + HSW_VOLUME_MAX >> 7, + HSW_VOLUME_MAX >> 6, + HSW_VOLUME_MAX >> 5, + HSW_VOLUME_MAX >> 4, + HSW_VOLUME_MAX >> 3, + HSW_VOLUME_MAX >> 2, + HSW_VOLUME_MAX >> 1, + HSW_VOLUME_MAX >> 0, +}; + +#define HSW_PCM_PERIODS_MAX 64 +#define HSW_PCM_PERIODS_MIN 2 + +#define HSW_PCM_DAI_ID_SYSTEM 0 +#define HSW_PCM_DAI_ID_OFFLOAD0 1 +#define HSW_PCM_DAI_ID_OFFLOAD1 2 +#define HSW_PCM_DAI_ID_LOOPBACK 3 + + +static const struct snd_pcm_hardware hsw_pcm_hardware = { + .info = SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_MMAP_VALID | + SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_PAUSE | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP | + SNDRV_PCM_INFO_DRAIN_TRIGGER, + .formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | + SNDRV_PCM_FMTBIT_S32_LE, + .period_bytes_min = PAGE_SIZE, + .period_bytes_max = (HSW_PCM_PERIODS_MAX / HSW_PCM_PERIODS_MIN) * PAGE_SIZE, + .periods_min = HSW_PCM_PERIODS_MIN, + .periods_max = HSW_PCM_PERIODS_MAX, + .buffer_bytes_max = HSW_PCM_PERIODS_MAX * PAGE_SIZE, +}; + +struct hsw_pcm_module_map { + int dai_id; + int stream; + enum sst_hsw_module_id mod_id; +}; + +/* private data for each PCM DSP stream */ +struct hsw_pcm_data { + int dai_id; + struct sst_hsw_stream *stream; + struct sst_module_runtime *runtime; + struct sst_module_runtime_context context; + struct snd_pcm *hsw_pcm; + u32 volume[2]; + struct snd_pcm_substream *substream; + struct snd_compr_stream *cstream; + unsigned int wpos; + struct mutex mutex; + bool allocated; + int persistent_offset; +}; + +enum hsw_pm_state { + HSW_PM_STATE_D0 = 0, + HSW_PM_STATE_RTD3 = 1, + HSW_PM_STATE_D3 = 2, +}; + +/* private data for the driver */ +struct hsw_priv_data { + /* runtime DSP */ + struct sst_hsw *hsw; + struct device *dev; + enum hsw_pm_state pm_state; + struct snd_soc_card *soc_card; + struct sst_module_runtime *runtime_waves; /* sound effect module */ + + /* page tables */ + struct snd_dma_buffer dmab[HSW_PCM_COUNT][2]; + + /* DAI data */ + struct hsw_pcm_data pcm[HSW_PCM_COUNT][2]; +}; + + +/* static mappings between PCMs and modules - may be dynamic in future */ +static struct hsw_pcm_module_map mod_map[] = { + {HSW_PCM_DAI_ID_SYSTEM, 0, SST_HSW_MODULE_PCM_SYSTEM}, + {HSW_PCM_DAI_ID_OFFLOAD0, 0, SST_HSW_MODULE_PCM}, + {HSW_PCM_DAI_ID_OFFLOAD1, 0, SST_HSW_MODULE_PCM}, + {HSW_PCM_DAI_ID_LOOPBACK, 1, SST_HSW_MODULE_PCM_REFERENCE}, + {HSW_PCM_DAI_ID_SYSTEM, 1, SST_HSW_MODULE_PCM_CAPTURE}, +}; + +static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data); + +static inline u32 hsw_mixer_to_ipc(unsigned int value) +{ + if (value >= ARRAY_SIZE(volume_map)) + return volume_map[0]; + else + return volume_map[value]; +} + +static inline unsigned int hsw_ipc_to_mixer(u32 value) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(volume_map); i++) { + if (volume_map[i] >= value) + return i; + } + + return i - 1; +} + +static int hsw_stream_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + u32 volume; + int dai, stream; + + dai = mod_map[mc->reg].dai_id; + stream = mod_map[mc->reg].stream; + pcm_data = &pdata->pcm[dai][stream]; + + mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); + + if (!pcm_data->stream) { + pcm_data->volume[0] = + hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); + pcm_data->volume[1] = + hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + return 0; + } + + if (ucontrol->value.integer.value[0] == + ucontrol->value.integer.value[1]) { + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); + /* apply volume value to all channels */ + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, SST_HSW_CHANNELS_ALL, volume); + } else { + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 0, volume); + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, 1, volume); + } + + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + return 0; +} + +static int hsw_stream_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct soc_mixer_control *mc = + (struct soc_mixer_control *)kcontrol->private_value; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + u32 volume; + int dai, stream; + + dai = mod_map[mc->reg].dai_id; + stream = mod_map[mc->reg].stream; + pcm_data = &pdata->pcm[dai][stream]; + + mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); + + if (!pcm_data->stream) { + ucontrol->value.integer.value[0] = + hsw_ipc_to_mixer(pcm_data->volume[0]); + ucontrol->value.integer.value[1] = + hsw_ipc_to_mixer(pcm_data->volume[1]); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + return 0; + } + + sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 0, &volume); + ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); + sst_hsw_stream_get_volume(hsw, pcm_data->stream, 0, 1, &volume); + ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); + + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + + return 0; +} + +static int hsw_volume_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + u32 volume; + + pm_runtime_get_sync(pdata->dev); + + if (ucontrol->value.integer.value[0] == + ucontrol->value.integer.value[1]) { + + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); + sst_hsw_mixer_set_volume(hsw, 0, SST_HSW_CHANNELS_ALL, volume); + + } else { + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[0]); + sst_hsw_mixer_set_volume(hsw, 0, 0, volume); + + volume = hsw_mixer_to_ipc(ucontrol->value.integer.value[1]); + sst_hsw_mixer_set_volume(hsw, 0, 1, volume); + } + + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + return 0; +} + +static int hsw_volume_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + unsigned int volume = 0; + + pm_runtime_get_sync(pdata->dev); + sst_hsw_mixer_get_volume(hsw, 0, 0, &volume); + ucontrol->value.integer.value[0] = hsw_ipc_to_mixer(volume); + + sst_hsw_mixer_get_volume(hsw, 0, 1, &volume); + ucontrol->value.integer.value[1] = hsw_ipc_to_mixer(volume); + + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + return 0; +} + +static int hsw_waves_switch_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES; + + ucontrol->value.integer.value[0] = + (sst_hsw_is_module_active(hsw, id) || + sst_hsw_is_module_enabled_rtd3(hsw, id)); + return 0; +} + +static int hsw_waves_switch_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + int ret = 0; + enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES; + bool switch_on = (bool)ucontrol->value.integer.value[0]; + + /* if module is in RAM on the DSP, apply user settings to module through + * ipc. If module is not in RAM on the DSP, store user setting for + * track */ + if (sst_hsw_is_module_loaded(hsw, id)) { + if (switch_on == sst_hsw_is_module_active(hsw, id)) + return 0; + + if (switch_on) + ret = sst_hsw_module_enable(hsw, id, 0); + else + ret = sst_hsw_module_disable(hsw, id, 0); + } else { + if (switch_on == sst_hsw_is_module_enabled_rtd3(hsw, id)) + return 0; + + if (switch_on) + sst_hsw_set_module_enabled_rtd3(hsw, id); + else + sst_hsw_set_module_disabled_rtd3(hsw, id); + } + + return ret; +} + +static int hsw_waves_param_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + + /* return a matching line from param buffer */ + return sst_hsw_load_param_line(hsw, ucontrol->value.bytes.data); +} + +static int hsw_waves_param_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_platform *platform = snd_soc_kcontrol_platform(kcontrol); + struct hsw_priv_data *pdata = snd_soc_platform_get_drvdata(platform); + struct sst_hsw *hsw = pdata->hsw; + int ret; + enum sst_hsw_module_id id = SST_HSW_MODULE_WAVES; + int param_id = ucontrol->value.bytes.data[0]; + int param_size = WAVES_PARAM_COUNT; + + /* clear param buffer and reset buffer index */ + if (param_id == 0xFF) { + sst_hsw_reset_param_buf(hsw); + return 0; + } + + /* store params into buffer */ + ret = sst_hsw_store_param_line(hsw, ucontrol->value.bytes.data); + if (ret < 0) + return ret; + + if (sst_hsw_is_module_active(hsw, id)) + ret = sst_hsw_module_set_param(hsw, id, 0, param_id, + param_size, ucontrol->value.bytes.data); + return ret; +} + +/* TLV used by both global and stream volumes */ +static const DECLARE_TLV_DB_SCALE(hsw_vol_tlv, -9000, 300, 1); + +/* System Pin has no volume control */ +static const struct snd_kcontrol_new hsw_volume_controls[] = { + /* Global DSP volume */ + SOC_DOUBLE_EXT_TLV("Master Playback Volume", 0, 0, 8, + ARRAY_SIZE(volume_map) - 1, 0, + hsw_volume_get, hsw_volume_put, hsw_vol_tlv), + /* Offload 0 volume */ + SOC_DOUBLE_EXT_TLV("Media0 Playback Volume", 1, 0, 8, + ARRAY_SIZE(volume_map) - 1, 0, + hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), + /* Offload 1 volume */ + SOC_DOUBLE_EXT_TLV("Media1 Playback Volume", 2, 0, 8, + ARRAY_SIZE(volume_map) - 1, 0, + hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), + /* Mic Capture volume */ + SOC_DOUBLE_EXT_TLV("Mic Capture Volume", 4, 0, 8, + ARRAY_SIZE(volume_map) - 1, 0, + hsw_stream_volume_get, hsw_stream_volume_put, hsw_vol_tlv), + /* enable/disable module waves */ + SOC_SINGLE_BOOL_EXT("Waves Switch", 0, + hsw_waves_switch_get, hsw_waves_switch_put), + /* set parameters to module waves */ + SND_SOC_BYTES_EXT("Waves Set Param", WAVES_PARAM_COUNT, + hsw_waves_param_get, hsw_waves_param_put), +}; + +/* Create DMA buffer page table for DSP */ +static int create_adsp_page_table(struct snd_pcm_substream *substream, + struct hsw_priv_data *pdata, struct snd_soc_pcm_runtime *rtd, + unsigned char *dma_area, size_t size, int pcm) +{ + struct snd_dma_buffer *dmab = snd_pcm_get_dma_buf(substream); + int i, pages, stream = substream->stream; + + pages = snd_sgbuf_aligned_pages(size); + + dev_dbg(rtd->dev, "generating page table for %p size 0x%zu pages %d\n", + dma_area, size, pages); + + for (i = 0; i < pages; i++) { + u32 idx = (((i << 2) + i)) >> 1; + u32 pfn = snd_sgbuf_get_addr(dmab, i * PAGE_SIZE) >> PAGE_SHIFT; + u32 *pg_table; + + dev_dbg(rtd->dev, "pfn i %i idx %d pfn %x\n", i, idx, pfn); + + pg_table = (u32 *)(pdata->dmab[pcm][stream].area + idx); + + if (i & 1) + *pg_table |= (pfn << 4); + else + *pg_table |= pfn; + } + + return 0; +} + +/* this may get called several times by oss emulation */ +static int hsw_pcm_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + struct sst_module *module_data; + struct sst_dsp *dsp; + struct snd_dma_buffer *dmab; + enum sst_hsw_stream_type stream_type; + enum sst_hsw_stream_path_id path_id; + u32 rate, bits, map, pages, module_id; + u8 channels; + int ret, dai; + + dai = mod_map[rtd->cpu_dai->id].dai_id; + pcm_data = &pdata->pcm[dai][substream->stream]; + + /* check if we are being called a subsequent time */ + if (pcm_data->allocated) { + ret = sst_hsw_stream_reset(hsw, pcm_data->stream); + if (ret < 0) + dev_dbg(rtd->dev, "error: reset stream failed %d\n", + ret); + + ret = sst_hsw_stream_free(hsw, pcm_data->stream); + if (ret < 0) { + dev_dbg(rtd->dev, "error: free stream failed %d\n", + ret); + return ret; + } + pcm_data->allocated = false; + + pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, + hsw_notify_pointer, pcm_data); + if (pcm_data->stream == NULL) { + dev_err(rtd->dev, "error: failed to create stream\n"); + return -EINVAL; + } + } + + /* stream direction */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + path_id = SST_HSW_STREAM_PATH_SSP0_OUT; + else + path_id = SST_HSW_STREAM_PATH_SSP0_IN; + + /* DSP stream type depends on DAI ID */ + switch (rtd->cpu_dai->id) { + case 0: + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + stream_type = SST_HSW_STREAM_TYPE_SYSTEM; + module_id = SST_HSW_MODULE_PCM_SYSTEM; + } + else { + stream_type = SST_HSW_STREAM_TYPE_CAPTURE; + module_id = SST_HSW_MODULE_PCM_CAPTURE; + } + break; + case 1: + case 2: + stream_type = SST_HSW_STREAM_TYPE_RENDER; + module_id = SST_HSW_MODULE_PCM; + break; + case 3: + /* path ID needs to be OUT for loopback */ + stream_type = SST_HSW_STREAM_TYPE_LOOPBACK; + path_id = SST_HSW_STREAM_PATH_SSP0_OUT; + module_id = SST_HSW_MODULE_PCM_REFERENCE; + break; + default: + dev_err(rtd->dev, "error: invalid DAI ID %d\n", + rtd->cpu_dai->id); + return -EINVAL; + }; + + ret = sst_hsw_stream_format(hsw, pcm_data->stream, + path_id, stream_type, SST_HSW_STREAM_FORMAT_PCM_FORMAT); + if (ret < 0) { + dev_err(rtd->dev, "error: failed to set format %d\n", ret); + return ret; + } + + rate = params_rate(params); + ret = sst_hsw_stream_set_rate(hsw, pcm_data->stream, rate); + if (ret < 0) { + dev_err(rtd->dev, "error: could not set rate %d\n", rate); + return ret; + } + + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + bits = SST_HSW_DEPTH_16BIT; + sst_hsw_stream_set_valid(hsw, pcm_data->stream, 16); + break; + case SNDRV_PCM_FORMAT_S24_LE: + bits = SST_HSW_DEPTH_32BIT; + sst_hsw_stream_set_valid(hsw, pcm_data->stream, 24); + break; + case SNDRV_PCM_FORMAT_S8: + bits = SST_HSW_DEPTH_8BIT; + sst_hsw_stream_set_valid(hsw, pcm_data->stream, 8); + break; + case SNDRV_PCM_FORMAT_S32_LE: + bits = SST_HSW_DEPTH_32BIT; + sst_hsw_stream_set_valid(hsw, pcm_data->stream, 32); + break; + default: + dev_err(rtd->dev, "error: invalid format %d\n", + params_format(params)); + return -EINVAL; + } + + ret = sst_hsw_stream_set_bits(hsw, pcm_data->stream, bits); + if (ret < 0) { + dev_err(rtd->dev, "error: could not set bits %d\n", bits); + return ret; + } + + channels = params_channels(params); + map = create_channel_map(SST_HSW_CHANNEL_CONFIG_STEREO); + sst_hsw_stream_set_map_config(hsw, pcm_data->stream, + map, SST_HSW_CHANNEL_CONFIG_STEREO); + + ret = sst_hsw_stream_set_channels(hsw, pcm_data->stream, channels); + if (ret < 0) { + dev_err(rtd->dev, "error: could not set channels %d\n", + channels); + return ret; + } + + ret = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(params)); + if (ret < 0) { + dev_err(rtd->dev, "error: could not allocate %d bytes for PCM %d\n", + params_buffer_bytes(params), ret); + return ret; + } + + dmab = snd_pcm_get_dma_buf(substream); + + ret = create_adsp_page_table(substream, pdata, rtd, runtime->dma_area, + runtime->dma_bytes, rtd->cpu_dai->id); + if (ret < 0) + return ret; + + sst_hsw_stream_set_style(hsw, pcm_data->stream, + SST_HSW_INTERLEAVING_PER_CHANNEL); + + if (runtime->dma_bytes % PAGE_SIZE) + pages = (runtime->dma_bytes / PAGE_SIZE) + 1; + else + pages = runtime->dma_bytes / PAGE_SIZE; + + ret = sst_hsw_stream_buffer(hsw, pcm_data->stream, + pdata->dmab[rtd->cpu_dai->id][substream->stream].addr, + pages, runtime->dma_bytes, 0, + snd_sgbuf_get_addr(dmab, 0) >> PAGE_SHIFT); + if (ret < 0) { + dev_err(rtd->dev, "error: failed to set DMA buffer %d\n", ret); + return ret; + } + + dsp = sst_hsw_get_dsp(hsw); + + module_data = sst_module_get_from_id(dsp, module_id); + if (module_data == NULL) { + dev_err(rtd->dev, "error: failed to get module config\n"); + return -EINVAL; + } + + sst_hsw_stream_set_module_info(hsw, pcm_data->stream, + pcm_data->runtime); + + ret = sst_hsw_stream_commit(hsw, pcm_data->stream); + if (ret < 0) { + dev_err(rtd->dev, "error: failed to commit stream %d\n", ret); + return ret; + } + + if (!pcm_data->allocated) { + /* Set previous saved volume */ + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, + 0, pcm_data->volume[0]); + sst_hsw_stream_set_volume(hsw, pcm_data->stream, 0, + 1, pcm_data->volume[1]); + pcm_data->allocated = true; + } + + ret = sst_hsw_stream_pause(hsw, pcm_data->stream, 1); + if (ret < 0) + dev_err(rtd->dev, "error: failed to pause %d\n", ret); + + return 0; +} + +static int hsw_pcm_hw_free(struct snd_pcm_substream *substream) +{ + snd_pcm_lib_free_pages(substream); + return 0; +} + +static int hsw_pcm_trigger(struct snd_pcm_substream *substream, int cmd) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw_stream *sst_stream; + struct sst_hsw *hsw = pdata->hsw; + struct snd_pcm_runtime *runtime = substream->runtime; + snd_pcm_uframes_t pos; + int dai; + + dai = mod_map[rtd->cpu_dai->id].dai_id; + pcm_data = &pdata->pcm[dai][substream->stream]; + sst_stream = pcm_data->stream; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + sst_hsw_stream_set_silence_start(hsw, sst_stream, false); + sst_hsw_stream_resume(hsw, pcm_data->stream, 0); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + sst_hsw_stream_set_silence_start(hsw, sst_stream, false); + sst_hsw_stream_pause(hsw, pcm_data->stream, 0); + break; + case SNDRV_PCM_TRIGGER_DRAIN: + pos = runtime->control->appl_ptr % runtime->buffer_size; + sst_hsw_stream_set_old_position(hsw, pcm_data->stream, pos); + sst_hsw_stream_set_silence_start(hsw, sst_stream, true); + break; + default: + break; + } + + return 0; +} + +static u32 hsw_notify_pointer(struct sst_hsw_stream *stream, void *data) +{ + struct hsw_pcm_data *pcm_data = data; + struct snd_pcm_substream *substream = pcm_data->substream; + struct snd_pcm_runtime *runtime = substream->runtime; + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct sst_hsw *hsw = pdata->hsw; + u32 pos; + snd_pcm_uframes_t position = bytes_to_frames(runtime, + sst_hsw_get_dsp_position(hsw, pcm_data->stream)); + unsigned char *dma_area = runtime->dma_area; + snd_pcm_uframes_t dma_frames = + bytes_to_frames(runtime, runtime->dma_bytes); + snd_pcm_uframes_t old_position; + ssize_t samples; + + pos = frames_to_bytes(runtime, + (runtime->control->appl_ptr % runtime->buffer_size)); + + dev_vdbg(rtd->dev, "PCM: App pointer %d bytes\n", pos); + + /* SST fw don't know where to stop dma + * So, SST driver need to clean the data which has been consumed + */ + if (dma_area == NULL || dma_frames <= 0 + || (substream->stream == SNDRV_PCM_STREAM_CAPTURE) + || !sst_hsw_stream_get_silence_start(hsw, stream)) { + snd_pcm_period_elapsed(substream); + return pos; + } + + old_position = sst_hsw_stream_get_old_position(hsw, stream); + if (position > old_position) { + if (position < dma_frames) { + samples = SST_SAMPLES(runtime, position - old_position); + snd_pcm_format_set_silence(runtime->format, + SST_OLD_POSITION(dma_area, + runtime, old_position), + samples); + } else + dev_err(rtd->dev, "PCM: position is wrong\n"); + } else { + if (old_position < dma_frames) { + samples = SST_SAMPLES(runtime, + dma_frames - old_position); + snd_pcm_format_set_silence(runtime->format, + SST_OLD_POSITION(dma_area, + runtime, old_position), + samples); + } else + dev_err(rtd->dev, "PCM: dma_bytes is wrong\n"); + if (position < dma_frames) { + samples = SST_SAMPLES(runtime, position); + snd_pcm_format_set_silence(runtime->format, + dma_area, samples); + } else + dev_err(rtd->dev, "PCM: position is wrong\n"); + } + sst_hsw_stream_set_old_position(hsw, stream, position); + + /* let alsa know we have play a period */ + snd_pcm_period_elapsed(substream); + return pos; +} + +static snd_pcm_uframes_t hsw_pcm_pointer(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_pcm_runtime *runtime = substream->runtime; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + snd_pcm_uframes_t offset; + uint64_t ppos; + u32 position; + int dai; + + dai = mod_map[rtd->cpu_dai->id].dai_id; + pcm_data = &pdata->pcm[dai][substream->stream]; + position = sst_hsw_get_dsp_position(hsw, pcm_data->stream); + + offset = bytes_to_frames(runtime, position); + ppos = sst_hsw_get_dsp_presentation_position(hsw, pcm_data->stream); + + dev_vdbg(rtd->dev, "PCM: DMA pointer %du bytes, pos %llu\n", + position, ppos); + return offset; +} + +static int hsw_pcm_open(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + int dai; + + dai = mod_map[rtd->cpu_dai->id].dai_id; + pcm_data = &pdata->pcm[dai][substream->stream]; + + mutex_lock(&pcm_data->mutex); + pm_runtime_get_sync(pdata->dev); + + snd_soc_pcm_set_drvdata(rtd, pcm_data); + pcm_data->substream = substream; + + snd_soc_set_runtime_hwparams(substream, &hsw_pcm_hardware); + + pcm_data->stream = sst_hsw_stream_new(hsw, rtd->cpu_dai->id, + hsw_notify_pointer, pcm_data); + if (pcm_data->stream == NULL) { + dev_err(rtd->dev, "error: failed to create stream\n"); + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + return -EINVAL; + } + + mutex_unlock(&pcm_data->mutex); + return 0; +} + +static int hsw_pcm_close(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct hsw_priv_data *pdata = + snd_soc_platform_get_drvdata(rtd->platform); + struct hsw_pcm_data *pcm_data; + struct sst_hsw *hsw = pdata->hsw; + int ret, dai; + + dai = mod_map[rtd->cpu_dai->id].dai_id; + pcm_data = &pdata->pcm[dai][substream->stream]; + + mutex_lock(&pcm_data->mutex); + ret = sst_hsw_stream_reset(hsw, pcm_data->stream); + if (ret < 0) { + dev_dbg(rtd->dev, "error: reset stream failed %d\n", ret); + goto out; + } + + ret = sst_hsw_stream_free(hsw, pcm_data->stream); + if (ret < 0) { + dev_dbg(rtd->dev, "error: free stream failed %d\n", ret); + goto out; + } + pcm_data->allocated = 0; + pcm_data->stream = NULL; + +out: + pm_runtime_mark_last_busy(pdata->dev); + pm_runtime_put_autosuspend(pdata->dev); + mutex_unlock(&pcm_data->mutex); + return ret; +} + +static struct snd_pcm_ops hsw_pcm_ops = { + .open = hsw_pcm_open, + .close = hsw_pcm_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = hsw_pcm_hw_params, + .hw_free = hsw_pcm_hw_free, + .trigger = hsw_pcm_trigger, + .pointer = hsw_pcm_pointer, + .page = snd_pcm_sgbuf_ops_page, +}; + +static int hsw_pcm_create_modules(struct hsw_priv_data *pdata) +{ + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i; + + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + + /* create new runtime module, use same offset if recreated */ + pcm_data->runtime = sst_hsw_runtime_module_create(hsw, + mod_map[i].mod_id, pcm_data->persistent_offset); + if (pcm_data->runtime == NULL) + goto err; + pcm_data->persistent_offset = + pcm_data->runtime->persistent_offset; + } + + /* create runtime blocks for module waves */ + if (sst_hsw_is_module_loaded(hsw, SST_HSW_MODULE_WAVES)) { + pdata->runtime_waves = sst_hsw_runtime_module_create(hsw, + SST_HSW_MODULE_WAVES, 0); + if (pdata->runtime_waves == NULL) + goto err; + } + + return 0; + +err: + for (--i; i >= 0; i--) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + sst_hsw_runtime_module_free(pcm_data->runtime); + } + + return -ENODEV; +} + +static void hsw_pcm_free_modules(struct hsw_priv_data *pdata) +{ + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i; + + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + sst_hsw_runtime_module_free(pcm_data->runtime); + } + if (sst_hsw_is_module_loaded(hsw, SST_HSW_MODULE_WAVES)) { + sst_hsw_runtime_module_free(pdata->runtime_waves); + } +} + +static int hsw_pcm_new(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_pcm *pcm = rtd->pcm; + struct snd_soc_platform *platform = rtd->platform; + struct sst_pdata *pdata = dev_get_platdata(platform->dev); + struct hsw_priv_data *priv_data = dev_get_drvdata(platform->dev); + struct device *dev = pdata->dma_dev; + int ret = 0; + + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream || + pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { + ret = snd_pcm_lib_preallocate_pages_for_all(pcm, + SNDRV_DMA_TYPE_DEV_SG, + dev, + hsw_pcm_hardware.buffer_bytes_max, + hsw_pcm_hardware.buffer_bytes_max); + if (ret) { + dev_err(rtd->dev, "dma buffer allocation failed %d\n", + ret); + return ret; + } + } + if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) + priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_PLAYBACK].hsw_pcm = pcm; + if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) + priv_data->pcm[rtd->cpu_dai->id][SNDRV_PCM_STREAM_CAPTURE].hsw_pcm = pcm; + + return ret; +} + +#define HSW_FORMATS \ + (SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE) + +static struct snd_soc_dai_driver hsw_dais[] = { + { + .name = "System Pin", + .id = HSW_PCM_DAI_ID_SYSTEM, + .playback = { + .stream_name = "System Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, + }, + .capture = { + .stream_name = "Analog Capture", + .channels_min = 2, + .channels_max = 4, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, + }, + }, + { + /* PCM */ + .name = "Offload0 Pin", + .id = HSW_PCM_DAI_ID_OFFLOAD0, + .playback = { + .stream_name = "Offload0 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = HSW_FORMATS, + }, + }, + { + /* PCM */ + .name = "Offload1 Pin", + .id = HSW_PCM_DAI_ID_OFFLOAD1, + .playback = { + .stream_name = "Offload1 Playback", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_8000_192000, + .formats = HSW_FORMATS, + }, + }, + { + .name = "Loopback Pin", + .id = HSW_PCM_DAI_ID_LOOPBACK, + .capture = { + .stream_name = "Loopback Capture", + .channels_min = 2, + .channels_max = 2, + .rates = SNDRV_PCM_RATE_48000, + .formats = SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S16_LE, + }, + }, +}; + +static const struct snd_soc_dapm_widget widgets[] = { + + /* Backend DAIs */ + SND_SOC_DAPM_AIF_IN("SSP0 CODEC IN", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("SSP0 CODEC OUT", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_IN("SSP1 BT IN", NULL, 0, SND_SOC_NOPM, 0, 0), + SND_SOC_DAPM_AIF_OUT("SSP1 BT OUT", NULL, 0, SND_SOC_NOPM, 0, 0), + + /* Global Playback Mixer */ + SND_SOC_DAPM_MIXER("Playback VMixer", SND_SOC_NOPM, 0, 0, NULL, 0), +}; + +static const struct snd_soc_dapm_route graph[] = { + + /* Playback Mixer */ + {"Playback VMixer", NULL, "System Playback"}, + {"Playback VMixer", NULL, "Offload0 Playback"}, + {"Playback VMixer", NULL, "Offload1 Playback"}, + + {"SSP0 CODEC OUT", NULL, "Playback VMixer"}, + + {"Analog Capture", NULL, "SSP0 CODEC IN"}, +}; + +static int hsw_pcm_probe(struct snd_soc_platform *platform) +{ + struct hsw_priv_data *priv_data = snd_soc_platform_get_drvdata(platform); + struct sst_pdata *pdata = dev_get_platdata(platform->dev); + struct device *dma_dev, *dev; + int i, ret = 0; + + if (!pdata) + return -ENODEV; + + dev = platform->dev; + dma_dev = pdata->dma_dev; + + priv_data->hsw = pdata->dsp; + priv_data->dev = platform->dev; + priv_data->pm_state = HSW_PM_STATE_D0; + priv_data->soc_card = platform->component.card; + + /* allocate DSP buffer page tables */ + for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { + + /* playback */ + if (hsw_dais[i].playback.channels_min) { + mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_PLAYBACK].mutex); + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, + PAGE_SIZE, &priv_data->dmab[i][0]); + if (ret < 0) + goto err; + } + + /* capture */ + if (hsw_dais[i].capture.channels_min) { + mutex_init(&priv_data->pcm[i][SNDRV_PCM_STREAM_CAPTURE].mutex); + ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dma_dev, + PAGE_SIZE, &priv_data->dmab[i][1]); + if (ret < 0) + goto err; + } + } + + /* allocate runtime modules */ + ret = hsw_pcm_create_modules(priv_data); + if (ret < 0) + goto err; + + /* enable runtime PM with auto suspend */ + pm_runtime_set_autosuspend_delay(platform->dev, + SST_RUNTIME_SUSPEND_DELAY); + pm_runtime_use_autosuspend(platform->dev); + pm_runtime_enable(platform->dev); + pm_runtime_idle(platform->dev); + + return 0; + +err: + for (--i; i >= 0; i--) { + if (hsw_dais[i].playback.channels_min) + snd_dma_free_pages(&priv_data->dmab[i][0]); + if (hsw_dais[i].capture.channels_min) + snd_dma_free_pages(&priv_data->dmab[i][1]); + } + return ret; +} + +static int hsw_pcm_remove(struct snd_soc_platform *platform) +{ + struct hsw_priv_data *priv_data = + snd_soc_platform_get_drvdata(platform); + int i; + + pm_runtime_disable(platform->dev); + hsw_pcm_free_modules(priv_data); + + for (i = 0; i < ARRAY_SIZE(hsw_dais); i++) { + if (hsw_dais[i].playback.channels_min) + snd_dma_free_pages(&priv_data->dmab[i][0]); + if (hsw_dais[i].capture.channels_min) + snd_dma_free_pages(&priv_data->dmab[i][1]); + } + + return 0; +} + +static struct snd_soc_platform_driver hsw_soc_platform = { + .probe = hsw_pcm_probe, + .remove = hsw_pcm_remove, + .ops = &hsw_pcm_ops, + .pcm_new = hsw_pcm_new, +}; + +static const struct snd_soc_component_driver hsw_dai_component = { + .name = "haswell-dai", + .controls = hsw_volume_controls, + .num_controls = ARRAY_SIZE(hsw_volume_controls), + .dapm_widgets = widgets, + .num_dapm_widgets = ARRAY_SIZE(widgets), + .dapm_routes = graph, + .num_dapm_routes = ARRAY_SIZE(graph), +}; + +static int hsw_pcm_dev_probe(struct platform_device *pdev) +{ + struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); + struct hsw_priv_data *priv_data; + int ret; + + if (!sst_pdata) + return -EINVAL; + + priv_data = devm_kzalloc(&pdev->dev, sizeof(*priv_data), GFP_KERNEL); + if (!priv_data) + return -ENOMEM; + + ret = sst_hsw_dsp_init(&pdev->dev, sst_pdata); + if (ret < 0) + return -ENODEV; + + priv_data->hsw = sst_pdata->dsp; + platform_set_drvdata(pdev, priv_data); + + ret = snd_soc_register_platform(&pdev->dev, &hsw_soc_platform); + if (ret < 0) + goto err_plat; + + ret = snd_soc_register_component(&pdev->dev, &hsw_dai_component, + hsw_dais, ARRAY_SIZE(hsw_dais)); + if (ret < 0) + goto err_comp; + + return 0; + +err_comp: + snd_soc_unregister_platform(&pdev->dev); +err_plat: + sst_hsw_dsp_free(&pdev->dev, sst_pdata); + return 0; +} + +static int hsw_pcm_dev_remove(struct platform_device *pdev) +{ + struct sst_pdata *sst_pdata = dev_get_platdata(&pdev->dev); + + snd_soc_unregister_platform(&pdev->dev); + snd_soc_unregister_component(&pdev->dev); + sst_hsw_dsp_free(&pdev->dev, sst_pdata); + + return 0; +} + +#ifdef CONFIG_PM + +static int hsw_pcm_runtime_idle(struct device *dev) +{ + return 0; +} + +static int hsw_pcm_runtime_suspend(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + int ret; + + if (pdata->pm_state >= HSW_PM_STATE_RTD3) + return 0; + + /* fw modules will be unloaded on RTD3, set flag to track */ + if (sst_hsw_is_module_active(hsw, SST_HSW_MODULE_WAVES)) { + ret = sst_hsw_module_disable(hsw, SST_HSW_MODULE_WAVES, 0); + if (ret < 0) + return ret; + sst_hsw_set_module_enabled_rtd3(hsw, SST_HSW_MODULE_WAVES); + } + sst_hsw_dsp_runtime_suspend(hsw); + sst_hsw_dsp_runtime_sleep(hsw); + pdata->pm_state = HSW_PM_STATE_RTD3; + + return 0; +} + +static int hsw_pcm_runtime_resume(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + int ret; + + if (pdata->pm_state != HSW_PM_STATE_RTD3) + return 0; + + ret = sst_hsw_dsp_load(hsw); + if (ret < 0) { + dev_err(dev, "failed to reload %d\n", ret); + return ret; + } + + ret = hsw_pcm_create_modules(pdata); + if (ret < 0) { + dev_err(dev, "failed to create modules %d\n", ret); + return ret; + } + + ret = sst_hsw_dsp_runtime_resume(hsw); + if (ret < 0) + return ret; + else if (ret == 1) /* no action required */ + return 0; + + /* check flag when resume */ + if (sst_hsw_is_module_enabled_rtd3(hsw, SST_HSW_MODULE_WAVES)) { + ret = sst_hsw_module_enable(hsw, SST_HSW_MODULE_WAVES, 0); + if (ret < 0) + return ret; + /* put parameters from buffer to dsp */ + ret = sst_hsw_launch_param_buf(hsw); + if (ret < 0) + return ret; + /* unset flag */ + sst_hsw_set_module_disabled_rtd3(hsw, SST_HSW_MODULE_WAVES); + } + + pdata->pm_state = HSW_PM_STATE_D0; + return ret; +} + +#else +#define hsw_pcm_runtime_idle NULL +#define hsw_pcm_runtime_suspend NULL +#define hsw_pcm_runtime_resume NULL +#endif + +#ifdef CONFIG_PM + +static void hsw_pcm_complete(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i, err; + + if (pdata->pm_state != HSW_PM_STATE_D3) + return; + + err = sst_hsw_dsp_load(hsw); + if (err < 0) { + dev_err(dev, "failed to reload %d\n", err); + return; + } + + err = hsw_pcm_create_modules(pdata); + if (err < 0) { + dev_err(dev, "failed to create modules %d\n", err); + return; + } + + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + + if (!pcm_data->substream) + continue; + + err = sst_module_runtime_restore(pcm_data->runtime, + &pcm_data->context); + if (err < 0) + dev_err(dev, "failed to restore context for PCM %d\n", i); + } + + snd_soc_resume(pdata->soc_card->dev); + + err = sst_hsw_dsp_runtime_resume(hsw); + if (err < 0) + return; + else if (err == 1) /* no action required */ + return; + + pdata->pm_state = HSW_PM_STATE_D0; + return; +} + +static int hsw_pcm_prepare(struct device *dev) +{ + struct hsw_priv_data *pdata = dev_get_drvdata(dev); + struct sst_hsw *hsw = pdata->hsw; + struct hsw_pcm_data *pcm_data; + int i, err; + + if (pdata->pm_state == HSW_PM_STATE_D3) + return 0; + else if (pdata->pm_state == HSW_PM_STATE_D0) { + /* suspend all active streams */ + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + + if (!pcm_data->substream) + continue; + dev_dbg(dev, "suspending pcm %d\n", i); + snd_pcm_suspend_all(pcm_data->hsw_pcm); + + /* We need to wait until the DSP FW stops the streams */ + msleep(2); + } + + /* preserve persistent memory */ + for (i = 0; i < ARRAY_SIZE(mod_map); i++) { + pcm_data = &pdata->pcm[mod_map[i].dai_id][mod_map[i].stream]; + + if (!pcm_data->substream) + continue; + + dev_dbg(dev, "saving context pcm %d\n", i); + err = sst_module_runtime_save(pcm_data->runtime, + &pcm_data->context); + if (err < 0) + dev_err(dev, "failed to save context for PCM %d\n", i); + } + /* enter D3 state and stall */ + sst_hsw_dsp_runtime_suspend(hsw); + /* put the DSP to sleep */ + sst_hsw_dsp_runtime_sleep(hsw); + } + + snd_soc_suspend(pdata->soc_card->dev); + snd_soc_poweroff(pdata->soc_card->dev); + + pdata->pm_state = HSW_PM_STATE_D3; + + return 0; +} + +#else +#define hsw_pcm_prepare NULL +#define hsw_pcm_complete NULL +#endif + +static const struct dev_pm_ops hsw_pcm_pm = { + .runtime_idle = hsw_pcm_runtime_idle, + .runtime_suspend = hsw_pcm_runtime_suspend, + .runtime_resume = hsw_pcm_runtime_resume, + .prepare = hsw_pcm_prepare, + .complete = hsw_pcm_complete, +}; + +static struct platform_driver hsw_pcm_driver = { + .driver = { + .name = "haswell-pcm-audio", + .pm = &hsw_pcm_pm, + }, + + .probe = hsw_pcm_dev_probe, + .remove = hsw_pcm_dev_remove, +}; +module_platform_driver(hsw_pcm_driver); + +MODULE_AUTHOR("Liam Girdwood, Xingchao Wang"); +MODULE_DESCRIPTION("Haswell/Lynxpoint + Broadwell/Wildcatpoint PCM"); +MODULE_LICENSE("GPL v2"); +MODULE_ALIAS("platform:haswell-pcm-audio"); |