252 lines
6.6 KiB
C
252 lines
6.6 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2018-2021 Intel Corporation. All rights reserved.
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//
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// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
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//
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#include <linux/module.h>
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#include <linux/pci.h>
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#include <sound/soc-acpi.h>
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#include <sound/soc-acpi-intel-match.h>
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#include <sound/sof.h>
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#include "../ops.h"
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#include "atom.h"
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#include "../sof-pci-dev.h"
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#include "../sof-audio.h"
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/* platform specific devices */
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#include "shim.h"
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static struct snd_soc_acpi_mach sof_tng_machines[] = {
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{
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.id = "INT343A",
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.drv_name = "edison",
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.sof_tplg_filename = "sof-byt.tplg",
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},
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{}
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};
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static const struct snd_sof_debugfs_map tng_debugfs[] = {
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{"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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{"dmac1", DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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{"ssp0", DSP_BAR, SSP0_OFFSET, SSP_SIZE,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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{"ssp1", DSP_BAR, SSP1_OFFSET, SSP_SIZE,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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{"ssp2", DSP_BAR, SSP2_OFFSET, SSP_SIZE,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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{"iram", DSP_BAR, IRAM_OFFSET, IRAM_SIZE,
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SOF_DEBUGFS_ACCESS_D0_ONLY},
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{"dram", DSP_BAR, DRAM_OFFSET, DRAM_SIZE,
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SOF_DEBUGFS_ACCESS_D0_ONLY},
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{"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT,
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SOF_DEBUGFS_ACCESS_ALWAYS},
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};
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static int tangier_pci_probe(struct snd_sof_dev *sdev)
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{
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struct snd_sof_pdata *pdata = sdev->pdata;
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const struct sof_dev_desc *desc = pdata->desc;
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struct pci_dev *pci = to_pci_dev(sdev->dev);
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const struct sof_intel_dsp_desc *chip;
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u32 base, size;
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int ret;
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chip = get_chip_info(sdev->pdata);
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if (!chip) {
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dev_err(sdev->dev, "error: no such device supported\n");
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return -EIO;
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}
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sdev->num_cores = chip->cores_num;
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/* DSP DMA can only access low 31 bits of host memory */
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ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31));
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if (ret < 0) {
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dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret);
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return ret;
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}
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/* LPE base */
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base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET;
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size = PCI_BAR_SIZE;
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dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
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sdev->bar[DSP_BAR] = devm_ioremap(sdev->dev, base, size);
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if (!sdev->bar[DSP_BAR]) {
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dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
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base, size);
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return -ENODEV;
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}
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dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[DSP_BAR]);
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/* IMR base - optional */
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if (desc->resindex_imr_base == -1)
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goto irq;
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base = pci_resource_start(pci, desc->resindex_imr_base);
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size = pci_resource_len(pci, desc->resindex_imr_base);
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/* some BIOSes don't map IMR */
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if (base == 0x55aa55aa || base == 0x0) {
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dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
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goto irq;
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}
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dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
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sdev->bar[IMR_BAR] = devm_ioremap(sdev->dev, base, size);
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if (!sdev->bar[IMR_BAR]) {
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dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
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base, size);
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return -ENODEV;
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}
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dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[IMR_BAR]);
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irq:
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/* register our IRQ */
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sdev->ipc_irq = pci->irq;
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dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
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ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
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atom_irq_handler, atom_irq_thread,
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0, "AudioDSP", sdev);
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if (ret < 0) {
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dev_err(sdev->dev, "error: failed to register IRQ %d\n",
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sdev->ipc_irq);
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return ret;
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}
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/* enable BUSY and disable DONE Interrupt by default */
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snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_IMRX,
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SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
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SHIM_IMRX_DONE);
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/* set default mailbox offset for FW ready message */
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sdev->dsp_box.offset = MBOX_OFFSET;
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return ret;
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}
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struct snd_sof_dsp_ops sof_tng_ops = {
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/* device init */
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.probe = tangier_pci_probe,
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/* DSP core boot / reset */
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.run = atom_run,
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.reset = atom_reset,
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/* Register IO uses direct mmio */
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/* Block IO */
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.block_read = sof_block_read,
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.block_write = sof_block_write,
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/* Mailbox IO */
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.mailbox_read = sof_mailbox_read,
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.mailbox_write = sof_mailbox_write,
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/* doorbell */
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.irq_handler = atom_irq_handler,
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.irq_thread = atom_irq_thread,
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/* ipc */
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.send_msg = atom_send_msg,
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.get_mailbox_offset = atom_get_mailbox_offset,
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.get_window_offset = atom_get_window_offset,
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.ipc_msg_data = sof_ipc_msg_data,
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.set_stream_data_offset = sof_set_stream_data_offset,
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/* machine driver */
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.machine_select = atom_machine_select,
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.machine_register = sof_machine_register,
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.machine_unregister = sof_machine_unregister,
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.set_mach_params = atom_set_mach_params,
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/* debug */
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.debug_map = tng_debugfs,
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.debug_map_count = ARRAY_SIZE(tng_debugfs),
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.dbg_dump = atom_dump,
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.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
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/* stream callbacks */
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.pcm_open = sof_stream_pcm_open,
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.pcm_close = sof_stream_pcm_close,
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/*Firmware loading */
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.load_firmware = snd_sof_load_firmware_memcpy,
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/* DAI drivers */
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.drv = atom_dai,
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.num_drv = 3, /* we have only 3 SSPs on byt*/
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/* ALSA HW info flags */
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.hw_info = SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_BATCH,
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.dsp_arch_ops = &sof_xtensa_arch_ops,
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};
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const struct sof_intel_dsp_desc tng_chip_info = {
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.cores_num = 1,
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.host_managed_cores_mask = 1,
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.hw_ip_version = SOF_INTEL_TANGIER,
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};
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static const struct sof_dev_desc tng_desc = {
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.machines = sof_tng_machines,
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.resindex_lpe_base = 3, /* IRAM, but subtract IRAM offset */
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.resindex_pcicfg_base = -1,
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.resindex_imr_base = 0,
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.irqindex_host_ipc = -1,
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.chip_info = &tng_chip_info,
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.ipc_supported_mask = BIT(SOF_IPC),
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.ipc_default = SOF_IPC,
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.default_fw_path = {
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[SOF_IPC] = "intel/sof",
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},
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.default_tplg_path = {
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[SOF_IPC] = "intel/sof-tplg",
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},
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.default_fw_filename = {
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[SOF_IPC] = "sof-byt.ri",
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},
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.nocodec_tplg_filename = "sof-byt.tplg",
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.ops = &sof_tng_ops,
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};
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/* PCI IDs */
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static const struct pci_device_id sof_pci_ids[] = {
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{ PCI_DEVICE(0x8086, 0x119a),
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.driver_data = (unsigned long)&tng_desc},
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, sof_pci_ids);
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/* pci_driver definition */
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static struct pci_driver snd_sof_pci_intel_tng_driver = {
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.name = "sof-audio-pci-intel-tng",
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.id_table = sof_pci_ids,
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.probe = sof_pci_probe,
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.remove = sof_pci_remove,
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.shutdown = sof_pci_shutdown,
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.driver = {
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.pm = &sof_pci_pm,
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},
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};
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module_pci_driver(snd_sof_pci_intel_tng_driver);
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
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MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
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MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
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MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
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