pci-tng.c (6964B)
1// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2// 3// This file is provided under a dual BSD/GPLv2 license. When using or 4// redistributing this file, you may do so under either license. 5// 6// Copyright(c) 2018-2021 Intel Corporation. All rights reserved. 7// 8// Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> 9// 10 11#include <linux/module.h> 12#include <linux/pci.h> 13#include <sound/soc-acpi.h> 14#include <sound/soc-acpi-intel-match.h> 15#include <sound/sof.h> 16#include "../ops.h" 17#include "atom.h" 18#include "../sof-pci-dev.h" 19#include "../sof-audio.h" 20 21/* platform specific devices */ 22#include "shim.h" 23 24static struct snd_soc_acpi_mach sof_tng_machines[] = { 25 { 26 .id = "INT343A", 27 .drv_name = "edison", 28 .sof_tplg_filename = "sof-byt.tplg", 29 }, 30 {} 31}; 32 33static const struct snd_sof_debugfs_map tng_debugfs[] = { 34 {"dmac0", DSP_BAR, DMAC0_OFFSET, DMAC_SIZE, 35 SOF_DEBUGFS_ACCESS_ALWAYS}, 36 {"dmac1", DSP_BAR, DMAC1_OFFSET, DMAC_SIZE, 37 SOF_DEBUGFS_ACCESS_ALWAYS}, 38 {"ssp0", DSP_BAR, SSP0_OFFSET, SSP_SIZE, 39 SOF_DEBUGFS_ACCESS_ALWAYS}, 40 {"ssp1", DSP_BAR, SSP1_OFFSET, SSP_SIZE, 41 SOF_DEBUGFS_ACCESS_ALWAYS}, 42 {"ssp2", DSP_BAR, SSP2_OFFSET, SSP_SIZE, 43 SOF_DEBUGFS_ACCESS_ALWAYS}, 44 {"iram", DSP_BAR, IRAM_OFFSET, IRAM_SIZE, 45 SOF_DEBUGFS_ACCESS_D0_ONLY}, 46 {"dram", DSP_BAR, DRAM_OFFSET, DRAM_SIZE, 47 SOF_DEBUGFS_ACCESS_D0_ONLY}, 48 {"shim", DSP_BAR, SHIM_OFFSET, SHIM_SIZE_BYT, 49 SOF_DEBUGFS_ACCESS_ALWAYS}, 50}; 51 52static int tangier_pci_probe(struct snd_sof_dev *sdev) 53{ 54 struct snd_sof_pdata *pdata = sdev->pdata; 55 const struct sof_dev_desc *desc = pdata->desc; 56 struct pci_dev *pci = to_pci_dev(sdev->dev); 57 const struct sof_intel_dsp_desc *chip; 58 u32 base, size; 59 int ret; 60 61 chip = get_chip_info(sdev->pdata); 62 if (!chip) { 63 dev_err(sdev->dev, "error: no such device supported\n"); 64 return -EIO; 65 } 66 67 sdev->num_cores = chip->cores_num; 68 69 /* DSP DMA can only access low 31 bits of host memory */ 70 ret = dma_coerce_mask_and_coherent(&pci->dev, DMA_BIT_MASK(31)); 71 if (ret < 0) { 72 dev_err(sdev->dev, "error: failed to set DMA mask %d\n", ret); 73 return ret; 74 } 75 76 /* LPE base */ 77 base = pci_resource_start(pci, desc->resindex_lpe_base) - IRAM_OFFSET; 78 size = pci_resource_len(pci, desc->resindex_lpe_base); 79 if (size < PCI_BAR_SIZE) { 80 dev_err(sdev->dev, "error: I/O region is too small.\n"); 81 return -ENODEV; 82 } 83 84 dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size); 85 sdev->bar[DSP_BAR] = devm_ioremap(sdev->dev, base, size); 86 if (!sdev->bar[DSP_BAR]) { 87 dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n", 88 base, size); 89 return -ENODEV; 90 } 91 dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[DSP_BAR]); 92 93 /* IMR base - optional */ 94 if (desc->resindex_imr_base == -1) 95 goto irq; 96 97 base = pci_resource_start(pci, desc->resindex_imr_base); 98 size = pci_resource_len(pci, desc->resindex_imr_base); 99 100 /* some BIOSes don't map IMR */ 101 if (base == 0x55aa55aa || base == 0x0) { 102 dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n"); 103 goto irq; 104 } 105 106 dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size); 107 sdev->bar[IMR_BAR] = devm_ioremap(sdev->dev, base, size); 108 if (!sdev->bar[IMR_BAR]) { 109 dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n", 110 base, size); 111 return -ENODEV; 112 } 113 dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[IMR_BAR]); 114 115irq: 116 /* register our IRQ */ 117 sdev->ipc_irq = pci->irq; 118 dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq); 119 ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq, 120 atom_irq_handler, atom_irq_thread, 121 0, "AudioDSP", sdev); 122 if (ret < 0) { 123 dev_err(sdev->dev, "error: failed to register IRQ %d\n", 124 sdev->ipc_irq); 125 return ret; 126 } 127 128 /* enable BUSY and disable DONE Interrupt by default */ 129 snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_IMRX, 130 SHIM_IMRX_BUSY | SHIM_IMRX_DONE, 131 SHIM_IMRX_DONE); 132 133 /* set default mailbox offset for FW ready message */ 134 sdev->dsp_box.offset = MBOX_OFFSET; 135 136 return ret; 137} 138 139struct snd_sof_dsp_ops sof_tng_ops = { 140 /* device init */ 141 .probe = tangier_pci_probe, 142 143 /* DSP core boot / reset */ 144 .run = atom_run, 145 .reset = atom_reset, 146 147 /* Register IO */ 148 .write = sof_io_write, 149 .read = sof_io_read, 150 .write64 = sof_io_write64, 151 .read64 = sof_io_read64, 152 153 /* Block IO */ 154 .block_read = sof_block_read, 155 .block_write = sof_block_write, 156 157 /* Mailbox IO */ 158 .mailbox_read = sof_mailbox_read, 159 .mailbox_write = sof_mailbox_write, 160 161 /* doorbell */ 162 .irq_handler = atom_irq_handler, 163 .irq_thread = atom_irq_thread, 164 165 /* ipc */ 166 .send_msg = atom_send_msg, 167 .get_mailbox_offset = atom_get_mailbox_offset, 168 .get_window_offset = atom_get_window_offset, 169 170 .ipc_msg_data = sof_ipc_msg_data, 171 .set_stream_data_offset = sof_set_stream_data_offset, 172 173 /* machine driver */ 174 .machine_select = atom_machine_select, 175 .machine_register = sof_machine_register, 176 .machine_unregister = sof_machine_unregister, 177 .set_mach_params = atom_set_mach_params, 178 179 /* debug */ 180 .debug_map = tng_debugfs, 181 .debug_map_count = ARRAY_SIZE(tng_debugfs), 182 .dbg_dump = atom_dump, 183 .debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem, 184 185 /* stream callbacks */ 186 .pcm_open = sof_stream_pcm_open, 187 .pcm_close = sof_stream_pcm_close, 188 189 /*Firmware loading */ 190 .load_firmware = snd_sof_load_firmware_memcpy, 191 192 /* DAI drivers */ 193 .drv = atom_dai, 194 .num_drv = 3, /* we have only 3 SSPs on byt*/ 195 196 /* ALSA HW info flags */ 197 .hw_info = SNDRV_PCM_INFO_MMAP | 198 SNDRV_PCM_INFO_MMAP_VALID | 199 SNDRV_PCM_INFO_INTERLEAVED | 200 SNDRV_PCM_INFO_PAUSE | 201 SNDRV_PCM_INFO_BATCH, 202 203 .dsp_arch_ops = &sof_xtensa_arch_ops, 204}; 205 206const struct sof_intel_dsp_desc tng_chip_info = { 207 .cores_num = 1, 208 .host_managed_cores_mask = 1, 209 .hw_ip_version = SOF_INTEL_TANGIER, 210}; 211 212static const struct sof_dev_desc tng_desc = { 213 .machines = sof_tng_machines, 214 .resindex_lpe_base = 3, /* IRAM, but subtract IRAM offset */ 215 .resindex_pcicfg_base = -1, 216 .resindex_imr_base = 0, 217 .irqindex_host_ipc = -1, 218 .chip_info = &tng_chip_info, 219 .ipc_supported_mask = BIT(SOF_IPC), 220 .ipc_default = SOF_IPC, 221 .default_fw_path = { 222 [SOF_IPC] = "intel/sof", 223 }, 224 .default_tplg_path = { 225 [SOF_IPC] = "intel/sof-tplg", 226 }, 227 .default_fw_filename = { 228 [SOF_IPC] = "sof-byt.ri", 229 }, 230 .nocodec_tplg_filename = "sof-byt.tplg", 231 .ops = &sof_tng_ops, 232}; 233 234/* PCI IDs */ 235static const struct pci_device_id sof_pci_ids[] = { 236 { PCI_DEVICE(0x8086, 0x119a), 237 .driver_data = (unsigned long)&tng_desc}, 238 { 0, } 239}; 240MODULE_DEVICE_TABLE(pci, sof_pci_ids); 241 242/* pci_driver definition */ 243static struct pci_driver snd_sof_pci_intel_tng_driver = { 244 .name = "sof-audio-pci-intel-tng", 245 .id_table = sof_pci_ids, 246 .probe = sof_pci_probe, 247 .remove = sof_pci_remove, 248 .shutdown = sof_pci_shutdown, 249 .driver = { 250 .pm = &sof_pci_pm, 251 }, 252}; 253module_pci_driver(snd_sof_pci_intel_tng_driver); 254 255MODULE_LICENSE("Dual BSD/GPL"); 256MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC); 257MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA); 258MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV); 259MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);