// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // // Copyright(c) 2018 Intel Corporation. All rights reserved. // // Author: Liam Girdwood // /* * Hardware interface for audio DSP on Baytrail, Braswell and Cherrytrail. */ #include #include #include #include "../ops.h" #include "shim.h" #include "../sof-audio.h" #include "../../intel/common/soc-intel-quirks.h" /* DSP memories */ #define IRAM_OFFSET 0x0C0000 #define IRAM_SIZE (80 * 1024) #define DRAM_OFFSET 0x100000 #define DRAM_SIZE (160 * 1024) #define SHIM_OFFSET 0x140000 #define SHIM_SIZE_BYT 0x100 #define SHIM_SIZE_CHT 0x118 #define MBOX_OFFSET 0x144000 #define MBOX_SIZE 0x1000 #define EXCEPT_OFFSET 0x800 #define EXCEPT_MAX_HDR_SIZE 0x400 /* DSP peripherals */ #define DMAC0_OFFSET 0x098000 #define DMAC1_OFFSET 0x09c000 #define DMAC2_OFFSET 0x094000 #define DMAC_SIZE 0x420 #define SSP0_OFFSET 0x0a0000 #define SSP1_OFFSET 0x0a1000 #define SSP2_OFFSET 0x0a2000 #define SSP3_OFFSET 0x0a4000 #define SSP4_OFFSET 0x0a5000 #define SSP5_OFFSET 0x0a6000 #define SSP_SIZE 0x100 #define BYT_STACK_DUMP_SIZE 32 #define BYT_PCI_BAR_SIZE 0x200000 #define BYT_PANIC_OFFSET(x) (((x) & GENMASK_ULL(47, 32)) >> 32) /* * Debug */ #define MBOX_DUMP_SIZE 0x30 /* BARs */ #define BYT_DSP_BAR 0 #define BYT_PCI_BAR 1 #define BYT_IMR_BAR 2 static const struct snd_sof_debugfs_map byt_debugfs[] = { {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE, SOF_DEBUGFS_ACCESS_D0_ONLY}, {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE, SOF_DEBUGFS_ACCESS_D0_ONLY}, {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT, SOF_DEBUGFS_ACCESS_ALWAYS}, }; static void byt_host_done(struct snd_sof_dev *sdev); static void byt_dsp_done(struct snd_sof_dev *sdev); static void byt_get_reply(struct snd_sof_dev *sdev); /* * Debug */ static void byt_get_registers(struct snd_sof_dev *sdev, struct sof_ipc_dsp_oops_xtensa *xoops, struct sof_ipc_panic_info *panic_info, u32 *stack, size_t stack_words) { u32 offset = sdev->dsp_oops_offset; /* first read regsisters */ sof_mailbox_read(sdev, offset, xoops, sizeof(*xoops)); /* note: variable AR register array is not read */ /* then get panic info */ if (xoops->arch_hdr.totalsize > EXCEPT_MAX_HDR_SIZE) { dev_err(sdev->dev, "invalid header size 0x%x. FW oops is bogus\n", xoops->arch_hdr.totalsize); return; } offset += xoops->arch_hdr.totalsize; sof_mailbox_read(sdev, offset, panic_info, sizeof(*panic_info)); /* then get the stack */ offset += sizeof(*panic_info); sof_mailbox_read(sdev, offset, stack, stack_words * sizeof(u32)); } static void byt_dump(struct snd_sof_dev *sdev, u32 flags) { struct sof_ipc_dsp_oops_xtensa xoops; struct sof_ipc_panic_info panic_info; u32 stack[BYT_STACK_DUMP_SIZE]; u64 status, panic, imrd, imrx; /* now try generic SOF status messages */ status = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD); panic = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX); byt_get_registers(sdev, &xoops, &panic_info, stack, BYT_STACK_DUMP_SIZE); snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack, BYT_STACK_DUMP_SIZE); /* provide some context for firmware debug */ imrx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRX); imrd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRD); dev_err(sdev->dev, "error: ipc host -> DSP: pending %s complete %s raw 0x%llx\n", (panic & SHIM_IPCX_BUSY) ? "yes" : "no", (panic & SHIM_IPCX_DONE) ? "yes" : "no", panic); dev_err(sdev->dev, "error: mask host: pending %s complete %s raw 0x%llx\n", (imrx & SHIM_IMRX_BUSY) ? "yes" : "no", (imrx & SHIM_IMRX_DONE) ? "yes" : "no", imrx); dev_err(sdev->dev, "error: ipc DSP -> host: pending %s complete %s raw 0x%llx\n", (status & SHIM_IPCD_BUSY) ? "yes" : "no", (status & SHIM_IPCD_DONE) ? "yes" : "no", status); dev_err(sdev->dev, "error: mask DSP: pending %s complete %s raw 0x%llx\n", (imrd & SHIM_IMRD_BUSY) ? "yes" : "no", (imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd); } /* * IPC Doorbell IRQ handler and thread. */ static irqreturn_t byt_irq_handler(int irq, void *context) { struct snd_sof_dev *sdev = context; u64 isr; int ret = IRQ_NONE; /* Interrupt arrived, check src */ isr = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_ISRX); if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY)) ret = IRQ_WAKE_THREAD; return ret; } static irqreturn_t byt_irq_thread(int irq, void *context) { struct snd_sof_dev *sdev = context; u64 ipcx, ipcd; u64 imrx; imrx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IMRX); ipcx = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCX); /* reply message from DSP */ if (ipcx & SHIM_BYT_IPCX_DONE && !(imrx & SHIM_IMRX_DONE)) { /* Mask Done interrupt before first */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, SHIM_IMRX_DONE, SHIM_IMRX_DONE); spin_lock_irq(&sdev->ipc_lock); /* * handle immediate reply from DSP core. If the msg is * found, set done bit in cmd_done which is called at the * end of message processing function, else set it here * because the done bit can't be set in cmd_done function * which is triggered by msg */ byt_get_reply(sdev); snd_sof_ipc_reply(sdev, ipcx); byt_dsp_done(sdev); spin_unlock_irq(&sdev->ipc_lock); } /* new message from DSP */ ipcd = snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_IPCD); if (ipcd & SHIM_BYT_IPCD_BUSY && !(imrx & SHIM_IMRX_BUSY)) { /* Mask Busy interrupt before return */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, SHIM_IMRX_BUSY, SHIM_IMRX_BUSY); /* Handle messages from DSP Core */ if ((ipcd & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC) { snd_sof_dsp_panic(sdev, BYT_PANIC_OFFSET(ipcd) + MBOX_OFFSET); } else { snd_sof_ipc_msgs_rx(sdev); } byt_host_done(sdev); } return IRQ_HANDLED; } static int byt_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) { /* send the message */ sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, msg->msg_size); snd_sof_dsp_write64(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY); return 0; } static void byt_get_reply(struct snd_sof_dev *sdev) { struct snd_sof_ipc_msg *msg = sdev->msg; struct sof_ipc_reply reply; int ret = 0; /* * Sometimes, there is unexpected reply ipc arriving. The reply * ipc belongs to none of the ipcs sent from driver. * In this case, the driver must ignore the ipc. */ if (!msg) { dev_warn(sdev->dev, "unexpected ipc interrupt raised!\n"); return; } /* get reply */ sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply)); if (reply.error < 0) { memcpy(msg->reply_data, &reply, sizeof(reply)); ret = reply.error; } else { /* reply correct size ? */ if (reply.hdr.size != msg->reply_size) { dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n", msg->reply_size, reply.hdr.size); ret = -EINVAL; } /* read the message */ if (msg->reply_size > 0) sof_mailbox_read(sdev, sdev->host_box.offset, msg->reply_data, msg->reply_size); } msg->reply_error = ret; } static int byt_get_mailbox_offset(struct snd_sof_dev *sdev) { return MBOX_OFFSET; } static int byt_get_window_offset(struct snd_sof_dev *sdev, u32 id) { return MBOX_OFFSET; } static void byt_host_done(struct snd_sof_dev *sdev) { /* clear BUSY bit and set DONE bit - accept new messages */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCD, SHIM_BYT_IPCD_BUSY | SHIM_BYT_IPCD_DONE, SHIM_BYT_IPCD_DONE); /* unmask busy interrupt */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, SHIM_IMRX_BUSY, 0); } static void byt_dsp_done(struct snd_sof_dev *sdev) { /* clear DONE bit - tell DSP we have completed */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_DONE, 0); /* unmask Done interrupt */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, SHIM_IMRX_DONE, 0); } /* * DSP control. */ static int byt_run(struct snd_sof_dev *sdev) { int tries = 10; /* release stall and wait to unstall */ snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, SHIM_BYT_CSR_STALL, 0x0); while (tries--) { if (!(snd_sof_dsp_read64(sdev, BYT_DSP_BAR, SHIM_CSR) & SHIM_BYT_CSR_PWAITMODE)) break; msleep(100); } if (tries < 0) { dev_err(sdev->dev, "error: unable to run DSP firmware\n"); byt_dump(sdev, SOF_DBG_REGS | SOF_DBG_MBOX); return -ENODEV; } /* return init core mask */ return 1; } static int byt_reset(struct snd_sof_dev *sdev) { /* put DSP into reset, set reset vector and stall */ snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL | SHIM_BYT_CSR_STALL, SHIM_BYT_CSR_RST | SHIM_BYT_CSR_VECTOR_SEL | SHIM_BYT_CSR_STALL); usleep_range(10, 15); /* take DSP out of reset and keep stalled for FW loading */ snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_CSR, SHIM_BYT_CSR_RST, 0); return 0; } static const char *fixup_tplg_name(struct snd_sof_dev *sdev, const char *sof_tplg_filename, const char *ssp_str) { const char *tplg_filename = NULL; char *filename; char *split_ext; filename = devm_kstrdup(sdev->dev, sof_tplg_filename, GFP_KERNEL); if (!filename) return NULL; /* this assumes a .tplg extension */ split_ext = strsep(&filename, "."); if (split_ext) { tplg_filename = devm_kasprintf(sdev->dev, GFP_KERNEL, "%s-%s.tplg", split_ext, ssp_str); if (!tplg_filename) return NULL; } return tplg_filename; } static void byt_machine_select(struct snd_sof_dev *sdev) { struct snd_sof_pdata *sof_pdata = sdev->pdata; const struct sof_dev_desc *desc = sof_pdata->desc; struct snd_soc_acpi_mach *mach; struct platform_device *pdev; const char *tplg_filename; mach = snd_soc_acpi_find_machine(desc->machines); if (!mach) { dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n"); return; } pdev = to_platform_device(sdev->dev); if (soc_intel_is_byt_cr(pdev)) { dev_dbg(sdev->dev, "BYT-CR detected, SSP0 used instead of SSP2\n"); tplg_filename = fixup_tplg_name(sdev, mach->sof_tplg_filename, "ssp0"); } else { tplg_filename = mach->sof_tplg_filename; } if (!tplg_filename) { dev_dbg(sdev->dev, "error: no topology filename\n"); return; } sof_pdata->tplg_filename = tplg_filename; mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc; sof_pdata->machine = mach; } static void byt_set_mach_params(const struct snd_soc_acpi_mach *mach, struct device *dev) { struct snd_soc_acpi_mach_params *mach_params; mach_params = (struct snd_soc_acpi_mach_params *)&mach->mach_params; mach_params->platform = dev_name(dev); } /* Baytrail DAIs */ static struct snd_soc_dai_driver byt_dai[] = { { .name = "ssp0-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, }, }, { .name = "ssp1-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, }, }, { .name = "ssp2-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, } }, { .name = "ssp3-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, }, }, { .name = "ssp4-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, }, }, { .name = "ssp5-port", .playback = { .channels_min = 1, .channels_max = 8, }, .capture = { .channels_min = 1, .channels_max = 8, }, }, }; /* * Probe and remove. */ #if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD) static int tangier_pci_probe(struct snd_sof_dev *sdev) { struct snd_sof_pdata *pdata = sdev->pdata; const struct sof_dev_desc *desc = pdata->desc; struct pci_dev *pci = to_pci_dev(sdev->dev); u32 base, size; int ret; /* DSP DMA can only access low 31 bits of host memory */ ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31)); if (ret < 0) { dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); return ret; } /* LPE base */ base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET; size = BYT_PCI_BAR_SIZE; dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size); if (!sdev->bar[BYT_DSP_BAR]) { dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n", base, size); return -ENODEV; } dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]); /* IMR base - optional */ if (desc->resindex_imr_base == -1) goto irq; base = pci_resource_start(pci, desc->resindex_imr_base); size = pci_resource_len(pci, desc->resindex_imr_base); /* some BIOSes don't map IMR */ if (base == 0x55aa55aa || base == 0x0) { dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n"); goto irq; } dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size); sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size); if (!sdev->bar[BYT_IMR_BAR]) { dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n", base, size); return -ENODEV; } dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]); irq: /* register our IRQ */ sdev->ipc_irq = pci->irq; dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, byt_irq_handler, byt_irq_thread, 0, "AudioDSP", sdev); if (ret < 0) { dev_err(sdev->dev, "error: failed to register IRQ %d\n", sdev->ipc_irq); return ret; } /* enable Interrupt from both sides */ snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = MBOX_OFFSET; return ret; } const struct snd_sof_dsp_ops sof_tng_ops = { /* device init */ .probe = tangier_pci_probe, /* DSP core boot / reset */ .run = byt_run, .reset = byt_reset, /* Register IO */ .write = sof_io_write, .read = sof_io_read, .write64 = sof_io_write64, .read64 = sof_io_read64, /* Block IO */ .block_read = sof_block_read, .block_write = sof_block_write, /* doorbell */ .irq_handler = byt_irq_handler, .irq_thread = byt_irq_thread, /* ipc */ .send_msg = byt_send_msg, .fw_ready = sof_fw_ready, .get_mailbox_offset = byt_get_mailbox_offset, .get_window_offset = byt_get_window_offset, .ipc_msg_data = intel_ipc_msg_data, .ipc_pcm_params = intel_ipc_pcm_params, /* machine driver */ .machine_select = byt_machine_select, .machine_register = sof_machine_register, .machine_unregister = sof_machine_unregister, .set_mach_params = byt_set_mach_params, /* debug */ .debug_map = byt_debugfs, .debug_map_count = ARRAY_SIZE(byt_debugfs), .dbg_dump = byt_dump, /* stream callbacks */ .pcm_open = intel_pcm_open, .pcm_close = intel_pcm_close, /* module loading */ .load_module = snd_sof_parse_module_memcpy, /*Firmware loading */ .load_firmware = snd_sof_load_firmware_memcpy, /* DAI drivers */ .drv = byt_dai, .num_drv = 3, /* we have only 3 SSPs on byt*/ /* ALSA HW info flags */ .hw_info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_BATCH, .arch_ops = &sof_xtensa_arch_ops, }; EXPORT_SYMBOL_NS(sof_tng_ops, SND_SOC_SOF_MERRIFIELD); const struct sof_intel_dsp_desc tng_chip_info = { .cores_num = 1, .cores_mask = 1, }; EXPORT_SYMBOL_NS(tng_chip_info, SND_SOC_SOF_MERRIFIELD); #endif /* CONFIG_SND_SOC_SOF_MERRIFIELD */ #if IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL) static const struct snd_sof_debugfs_map cht_debugfs[] = { {"dmac0", BYT_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"dmac1", BYT_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"dmac2", BYT_DSP_BAR, DMAC2_OFFSET, DMAC_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp0", BYT_DSP_BAR, SSP0_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp1", BYT_DSP_BAR, SSP1_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp2", BYT_DSP_BAR, SSP2_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp3", BYT_DSP_BAR, SSP3_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp4", BYT_DSP_BAR, SSP4_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"ssp5", BYT_DSP_BAR, SSP5_OFFSET, SSP_SIZE, SOF_DEBUGFS_ACCESS_ALWAYS}, {"iram", BYT_DSP_BAR, IRAM_OFFSET, IRAM_SIZE, SOF_DEBUGFS_ACCESS_D0_ONLY}, {"dram", BYT_DSP_BAR, DRAM_OFFSET, DRAM_SIZE, SOF_DEBUGFS_ACCESS_D0_ONLY}, {"shim", BYT_DSP_BAR, SHIM_OFFSET, SHIM_SIZE_CHT, SOF_DEBUGFS_ACCESS_ALWAYS}, }; static int byt_acpi_probe(struct snd_sof_dev *sdev) { struct snd_sof_pdata *pdata = sdev->pdata; const struct sof_dev_desc *desc = pdata->desc; struct platform_device *pdev = container_of(sdev->dev, struct platform_device, dev); struct resource *mmio; u32 base, size; int ret; /* DSP DMA can only access low 31 bits of host memory */ ret = dma_coerce_mask_and_coherent(sdev->dev, DMA_BIT_MASK(31)); if (ret < 0) { dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); return ret; } /* LPE base */ mmio = platform_get_resource(pdev, IORESOURCE_MEM, desc->resindex_lpe_base); if (mmio) { base = mmio->start; size = resource_size(mmio); } else { dev_err(sdev->dev, "error: failed to get LPE base at idx %d\n", desc->resindex_lpe_base); return -EINVAL; } dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); sdev->bar[BYT_DSP_BAR] = devm_ioremap(sdev->dev, base, size); if (!sdev->bar[BYT_DSP_BAR]) { dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n", base, size); return -ENODEV; } dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[BYT_DSP_BAR]); /* TODO: add offsets */ sdev->mmio_bar = BYT_DSP_BAR; sdev->mailbox_bar = BYT_DSP_BAR; /* IMR base - optional */ if (desc->resindex_imr_base == -1) goto irq; mmio = platform_get_resource(pdev, IORESOURCE_MEM, desc->resindex_imr_base); if (mmio) { base = mmio->start; size = resource_size(mmio); } else { dev_err(sdev->dev, "error: failed to get IMR base at idx %d\n", desc->resindex_imr_base); return -ENODEV; } /* some BIOSes don't map IMR */ if (base == 0x55aa55aa || base == 0x0) { dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n"); goto irq; } dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size); sdev->bar[BYT_IMR_BAR] = devm_ioremap(sdev->dev, base, size); if (!sdev->bar[BYT_IMR_BAR]) { dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n", base, size); return -ENODEV; } dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[BYT_IMR_BAR]); irq: /* register our IRQ */ sdev->ipc_irq = platform_get_irq(pdev, desc->irqindex_host_ipc); if (sdev->ipc_irq < 0) return sdev->ipc_irq; dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, byt_irq_handler, byt_irq_thread, IRQF_SHARED, "AudioDSP", sdev); if (ret < 0) { dev_err(sdev->dev, "error: failed to register IRQ %d\n", sdev->ipc_irq); return ret; } /* enable Interrupt from both sides */ snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = MBOX_OFFSET; return ret; } /* baytrail ops */ const struct snd_sof_dsp_ops sof_byt_ops = { /* device init */ .probe = byt_acpi_probe, /* DSP core boot / reset */ .run = byt_run, .reset = byt_reset, /* Register IO */ .write = sof_io_write, .read = sof_io_read, .write64 = sof_io_write64, .read64 = sof_io_read64, /* Block IO */ .block_read = sof_block_read, .block_write = sof_block_write, /* doorbell */ .irq_handler = byt_irq_handler, .irq_thread = byt_irq_thread, /* ipc */ .send_msg = byt_send_msg, .fw_ready = sof_fw_ready, .get_mailbox_offset = byt_get_mailbox_offset, .get_window_offset = byt_get_window_offset, .ipc_msg_data = intel_ipc_msg_data, .ipc_pcm_params = intel_ipc_pcm_params, /* machine driver */ .machine_select = byt_machine_select, .machine_register = sof_machine_register, .machine_unregister = sof_machine_unregister, .set_mach_params = byt_set_mach_params, /* debug */ .debug_map = byt_debugfs, .debug_map_count = ARRAY_SIZE(byt_debugfs), .dbg_dump = byt_dump, /* stream callbacks */ .pcm_open = intel_pcm_open, .pcm_close = intel_pcm_close, /* module loading */ .load_module = snd_sof_parse_module_memcpy, /*Firmware loading */ .load_firmware = snd_sof_load_firmware_memcpy, /* DAI drivers */ .drv = byt_dai, .num_drv = 3, /* we have only 3 SSPs on byt*/ /* ALSA HW info flags */ .hw_info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_BATCH, .arch_ops = &sof_xtensa_arch_ops, }; EXPORT_SYMBOL_NS(sof_byt_ops, SND_SOC_SOF_BAYTRAIL); const struct sof_intel_dsp_desc byt_chip_info = { .cores_num = 1, .cores_mask = 1, }; EXPORT_SYMBOL_NS(byt_chip_info, SND_SOC_SOF_BAYTRAIL); /* cherrytrail and braswell ops */ const struct snd_sof_dsp_ops sof_cht_ops = { /* device init */ .probe = byt_acpi_probe, /* DSP core boot / reset */ .run = byt_run, .reset = byt_reset, /* Register IO */ .write = sof_io_write, .read = sof_io_read, .write64 = sof_io_write64, .read64 = sof_io_read64, /* Block IO */ .block_read = sof_block_read, .block_write = sof_block_write, /* doorbell */ .irq_handler = byt_irq_handler, .irq_thread = byt_irq_thread, /* ipc */ .send_msg = byt_send_msg, .fw_ready = sof_fw_ready, .get_mailbox_offset = byt_get_mailbox_offset, .get_window_offset = byt_get_window_offset, .ipc_msg_data = intel_ipc_msg_data, .ipc_pcm_params = intel_ipc_pcm_params, /* machine driver */ .machine_select = byt_machine_select, .machine_register = sof_machine_register, .machine_unregister = sof_machine_unregister, .set_mach_params = byt_set_mach_params, /* debug */ .debug_map = cht_debugfs, .debug_map_count = ARRAY_SIZE(cht_debugfs), .dbg_dump = byt_dump, /* stream callbacks */ .pcm_open = intel_pcm_open, .pcm_close = intel_pcm_close, /* module loading */ .load_module = snd_sof_parse_module_memcpy, /*Firmware loading */ .load_firmware = snd_sof_load_firmware_memcpy, /* DAI drivers */ .drv = byt_dai, /* all 6 SSPs may be available for cherrytrail */ .num_drv = ARRAY_SIZE(byt_dai), /* ALSA HW info flags */ .hw_info = SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_BATCH, .arch_ops = &sof_xtensa_arch_ops, }; EXPORT_SYMBOL_NS(sof_cht_ops, SND_SOC_SOF_BAYTRAIL); const struct sof_intel_dsp_desc cht_chip_info = { .cores_num = 1, .cores_mask = 1, }; EXPORT_SYMBOL_NS(cht_chip_info, SND_SOC_SOF_BAYTRAIL); #endif /* CONFIG_SND_SOC_SOF_BAYTRAIL */ MODULE_LICENSE("Dual BSD/GPL"); MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC); MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);