Linux Audio

Check our new training course

Loading...
v6.8
  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_BAR_SIZE;
 
 
 
 
 79
 80	dev_dbg(sdev->dev, "LPE PHY base at 0x%x size 0x%x", base, size);
 81	sdev->bar[DSP_BAR] = devm_ioremap(sdev->dev, base, size);
 82	if (!sdev->bar[DSP_BAR]) {
 83		dev_err(sdev->dev, "error: failed to ioremap LPE base 0x%x size 0x%x\n",
 84			base, size);
 85		return -ENODEV;
 86	}
 87	dev_dbg(sdev->dev, "LPE VADDR %p\n", sdev->bar[DSP_BAR]);
 88
 89	/* IMR base - optional */
 90	if (desc->resindex_imr_base == -1)
 91		goto irq;
 92
 93	base = pci_resource_start(pci, desc->resindex_imr_base);
 94	size = pci_resource_len(pci, desc->resindex_imr_base);
 95
 96	/* some BIOSes don't map IMR */
 97	if (base == 0x55aa55aa || base == 0x0) {
 98		dev_info(sdev->dev, "IMR not set by BIOS. Ignoring\n");
 99		goto irq;
100	}
101
102	dev_dbg(sdev->dev, "IMR base at 0x%x size 0x%x", base, size);
103	sdev->bar[IMR_BAR] = devm_ioremap(sdev->dev, base, size);
104	if (!sdev->bar[IMR_BAR]) {
105		dev_err(sdev->dev, "error: failed to ioremap IMR base 0x%x size 0x%x\n",
106			base, size);
107		return -ENODEV;
108	}
109	dev_dbg(sdev->dev, "IMR VADDR %p\n", sdev->bar[IMR_BAR]);
110
111irq:
112	/* register our IRQ */
113	sdev->ipc_irq = pci->irq;
114	dev_dbg(sdev->dev, "using IRQ %d\n", sdev->ipc_irq);
115	ret = devm_request_threaded_irq(sdev->dev, sdev->ipc_irq,
116					atom_irq_handler, atom_irq_thread,
117					0, "AudioDSP", sdev);
118	if (ret < 0) {
119		dev_err(sdev->dev, "error: failed to register IRQ %d\n",
120			sdev->ipc_irq);
121		return ret;
122	}
123
124	/* enable BUSY and disable DONE Interrupt by default */
125	snd_sof_dsp_update_bits64(sdev, DSP_BAR, SHIM_IMRX,
126				  SHIM_IMRX_BUSY | SHIM_IMRX_DONE,
127				  SHIM_IMRX_DONE);
128
129	/* set default mailbox offset for FW ready message */
130	sdev->dsp_box.offset = MBOX_OFFSET;
131
132	return ret;
133}
134
135struct snd_sof_dsp_ops sof_tng_ops = {
136	/* device init */
137	.probe		= tangier_pci_probe,
138
139	/* DSP core boot / reset */
140	.run		= atom_run,
141	.reset		= atom_reset,
142
143	/* Register IO uses direct mmio */
144
145	/* Block IO */
146	.block_read	= sof_block_read,
147	.block_write	= sof_block_write,
148
149	/* Mailbox IO */
150	.mailbox_read	= sof_mailbox_read,
151	.mailbox_write	= sof_mailbox_write,
152
153	/* doorbell */
154	.irq_handler	= atom_irq_handler,
155	.irq_thread	= atom_irq_thread,
156
157	/* ipc */
158	.send_msg	= atom_send_msg,
159	.get_mailbox_offset = atom_get_mailbox_offset,
160	.get_window_offset = atom_get_window_offset,
161
162	.ipc_msg_data	= sof_ipc_msg_data,
163	.set_stream_data_offset = sof_set_stream_data_offset,
164
165	/* machine driver */
166	.machine_select = atom_machine_select,
167	.machine_register = sof_machine_register,
168	.machine_unregister = sof_machine_unregister,
169	.set_mach_params = atom_set_mach_params,
170
171	/* debug */
172	.debug_map	= tng_debugfs,
173	.debug_map_count	= ARRAY_SIZE(tng_debugfs),
174	.dbg_dump	= atom_dump,
175	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
176
177	/* stream callbacks */
178	.pcm_open	= sof_stream_pcm_open,
179	.pcm_close	= sof_stream_pcm_close,
180
181	/*Firmware loading */
182	.load_firmware	= snd_sof_load_firmware_memcpy,
183
184	/* DAI drivers */
185	.drv = atom_dai,
186	.num_drv = 3, /* we have only 3 SSPs on byt*/
187
188	/* ALSA HW info flags */
189	.hw_info =	SNDRV_PCM_INFO_MMAP |
190			SNDRV_PCM_INFO_MMAP_VALID |
191			SNDRV_PCM_INFO_INTERLEAVED |
192			SNDRV_PCM_INFO_PAUSE |
193			SNDRV_PCM_INFO_BATCH,
194
195	.dsp_arch_ops = &sof_xtensa_arch_ops,
196};
197
198const struct sof_intel_dsp_desc tng_chip_info = {
199	.cores_num = 1,
200	.host_managed_cores_mask = 1,
201	.hw_ip_version = SOF_INTEL_TANGIER,
202};
203
204static const struct sof_dev_desc tng_desc = {
205	.machines		= sof_tng_machines,
206	.resindex_lpe_base	= 3,	/* IRAM, but subtract IRAM offset */
207	.resindex_pcicfg_base	= -1,
208	.resindex_imr_base	= 0,
209	.irqindex_host_ipc	= -1,
210	.chip_info = &tng_chip_info,
211	.ipc_supported_mask	= BIT(SOF_IPC_TYPE_3),
212	.ipc_default		= SOF_IPC_TYPE_3,
213	.default_fw_path = {
214		[SOF_IPC_TYPE_3] = "intel/sof",
215	},
216	.default_tplg_path = {
217		[SOF_IPC_TYPE_3] = "intel/sof-tplg",
218	},
219	.default_fw_filename = {
220		[SOF_IPC_TYPE_3] = "sof-byt.ri",
221	},
222	.nocodec_tplg_filename = "sof-byt.tplg",
223	.ops = &sof_tng_ops,
224};
225
226/* PCI IDs */
227static const struct pci_device_id sof_pci_ids[] = {
228	{ PCI_DEVICE_DATA(INTEL, SST_TNG, &tng_desc) },
 
229	{ 0, }
230};
231MODULE_DEVICE_TABLE(pci, sof_pci_ids);
232
233/* pci_driver definition */
234static struct pci_driver snd_sof_pci_intel_tng_driver = {
235	.name = "sof-audio-pci-intel-tng",
236	.id_table = sof_pci_ids,
237	.probe = sof_pci_probe,
238	.remove = sof_pci_remove,
239	.shutdown = sof_pci_shutdown,
240	.driver = {
241		.pm = &sof_pci_pm,
242	},
243};
244module_pci_driver(snd_sof_pci_intel_tng_driver);
245
246MODULE_LICENSE("Dual BSD/GPL");
247MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
248MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
249MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
250MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);
v6.2
  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 uses direct mmio */
148
149	/* Block IO */
150	.block_read	= sof_block_read,
151	.block_write	= sof_block_write,
152
153	/* Mailbox IO */
154	.mailbox_read	= sof_mailbox_read,
155	.mailbox_write	= sof_mailbox_write,
156
157	/* doorbell */
158	.irq_handler	= atom_irq_handler,
159	.irq_thread	= atom_irq_thread,
160
161	/* ipc */
162	.send_msg	= atom_send_msg,
163	.get_mailbox_offset = atom_get_mailbox_offset,
164	.get_window_offset = atom_get_window_offset,
165
166	.ipc_msg_data	= sof_ipc_msg_data,
167	.set_stream_data_offset = sof_set_stream_data_offset,
168
169	/* machine driver */
170	.machine_select = atom_machine_select,
171	.machine_register = sof_machine_register,
172	.machine_unregister = sof_machine_unregister,
173	.set_mach_params = atom_set_mach_params,
174
175	/* debug */
176	.debug_map	= tng_debugfs,
177	.debug_map_count	= ARRAY_SIZE(tng_debugfs),
178	.dbg_dump	= atom_dump,
179	.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
180
181	/* stream callbacks */
182	.pcm_open	= sof_stream_pcm_open,
183	.pcm_close	= sof_stream_pcm_close,
184
185	/*Firmware loading */
186	.load_firmware	= snd_sof_load_firmware_memcpy,
187
188	/* DAI drivers */
189	.drv = atom_dai,
190	.num_drv = 3, /* we have only 3 SSPs on byt*/
191
192	/* ALSA HW info flags */
193	.hw_info =	SNDRV_PCM_INFO_MMAP |
194			SNDRV_PCM_INFO_MMAP_VALID |
195			SNDRV_PCM_INFO_INTERLEAVED |
196			SNDRV_PCM_INFO_PAUSE |
197			SNDRV_PCM_INFO_BATCH,
198
199	.dsp_arch_ops = &sof_xtensa_arch_ops,
200};
201
202const struct sof_intel_dsp_desc tng_chip_info = {
203	.cores_num = 1,
204	.host_managed_cores_mask = 1,
205	.hw_ip_version = SOF_INTEL_TANGIER,
206};
207
208static const struct sof_dev_desc tng_desc = {
209	.machines		= sof_tng_machines,
210	.resindex_lpe_base	= 3,	/* IRAM, but subtract IRAM offset */
211	.resindex_pcicfg_base	= -1,
212	.resindex_imr_base	= 0,
213	.irqindex_host_ipc	= -1,
214	.chip_info = &tng_chip_info,
215	.ipc_supported_mask	= BIT(SOF_IPC),
216	.ipc_default		= SOF_IPC,
217	.default_fw_path = {
218		[SOF_IPC] = "intel/sof",
219	},
220	.default_tplg_path = {
221		[SOF_IPC] = "intel/sof-tplg",
222	},
223	.default_fw_filename = {
224		[SOF_IPC] = "sof-byt.ri",
225	},
226	.nocodec_tplg_filename = "sof-byt.tplg",
227	.ops = &sof_tng_ops,
228};
229
230/* PCI IDs */
231static const struct pci_device_id sof_pci_ids[] = {
232	{ PCI_DEVICE(0x8086, 0x119a),
233		.driver_data = (unsigned long)&tng_desc},
234	{ 0, }
235};
236MODULE_DEVICE_TABLE(pci, sof_pci_ids);
237
238/* pci_driver definition */
239static struct pci_driver snd_sof_pci_intel_tng_driver = {
240	.name = "sof-audio-pci-intel-tng",
241	.id_table = sof_pci_ids,
242	.probe = sof_pci_probe,
243	.remove = sof_pci_remove,
244	.shutdown = sof_pci_shutdown,
245	.driver = {
246		.pm = &sof_pci_pm,
247	},
248};
249module_pci_driver(snd_sof_pci_intel_tng_driver);
250
251MODULE_LICENSE("Dual BSD/GPL");
252MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
253MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
254MODULE_IMPORT_NS(SND_SOC_SOF_PCI_DEV);
255MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_ATOM_HIFI_EP);