// 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
//
// Author: Liam Girdwood <[email protected]>
//
/*
* Hardware interface for audio DSP on Broadwell
*/
#include <linux/module.h>
#include <sound/sof.h>
#include <sound/sof/xtensa.h>
#include <sound/soc-acpi.h>
#include <sound/soc-acpi-intel-match.h>
#include <sound/intel-dsp-config.h>
#include "../ops.h"
#include "shim.h"
#include "../sof-acpi-dev.h"
#include "../sof-audio.h"
/* BARs */
#define BDW_DSP_BAR 0
#define BDW_PCI_BAR 1
/*
* Debug
*/
/* DSP memories for BDW */
#define IRAM_OFFSET 0xA0000
#define BDW_IRAM_SIZE (10 * 32 * 1024)
#define DRAM_OFFSET 0x00000
#define BDW_DRAM_SIZE (20 * 32 * 1024)
#define SHIM_OFFSET 0xFB000
#define SHIM_SIZE 0x100
#define MBOX_OFFSET 0x9E000
#define MBOX_SIZE 0x1000
#define MBOX_DUMP_SIZE 0x30
#define EXCEPT_OFFSET 0x800
#define EXCEPT_MAX_HDR_SIZE 0x400
/* DSP peripherals */
#define DMAC0_OFFSET 0xFE000
#define DMAC1_OFFSET 0xFF000
#define DMAC_SIZE 0x420
#define SSP0_OFFSET 0xFC000
#define SSP1_OFFSET 0xFD000
#define SSP_SIZE 0x100
#define BDW_STACK_DUMP_SIZE 32
#define BDW_PANIC_OFFSET(x) ((x) & 0xFFFF)
static const struct snd_sof_debugfs_map bdw_debugfs[] = {
{"dmac0", BDW_DSP_BAR, DMAC0_OFFSET, DMAC_SIZE,
SOF_DEBUGFS_ACCESS_ALWAYS},
{"dmac1", BDW_DSP_BAR, DMAC1_OFFSET, DMAC_SIZE,
SOF_DEBUGFS_ACCESS_ALWAYS},
{"ssp0", BDW_DSP_BAR, SSP0_OFFSET, SSP_SIZE,
SOF_DEBUGFS_ACCESS_ALWAYS},
{"ssp1", BDW_DSP_BAR, SSP1_OFFSET, SSP_SIZE,
SOF_DEBUGFS_ACCESS_ALWAYS},
{"iram", BDW_DSP_BAR, IRAM_OFFSET, BDW_IRAM_SIZE,
SOF_DEBUGFS_ACCESS_D0_ONLY},
{"dram", BDW_DSP_BAR, DRAM_OFFSET, BDW_DRAM_SIZE,
SOF_DEBUGFS_ACCESS_D0_ONLY},
{"shim", BDW_DSP_BAR, SHIM_OFFSET, SHIM_SIZE,
SOF_DEBUGFS_ACCESS_ALWAYS},
};
static void bdw_host_done(struct snd_sof_dev *sdev);
static void bdw_dsp_done(struct snd_sof_dev *sdev);
/*
* DSP Control.
*/
static int bdw_run(struct snd_sof_dev *sdev)
{
/* set opportunistic mode on engine 0,1 for all channels */
snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
SHIM_HMDC_HDDA_E0_ALLCH |
SHIM_HMDC_HDDA_E1_ALLCH, 0);
/* set DSP to RUN */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
SHIM_CSR_STALL, 0x0);
/* return init core mask */
return 1;
}
static int bdw_reset(struct snd_sof_dev *sdev)
{
/* put DSP into reset and stall */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
SHIM_CSR_RST | SHIM_CSR_STALL,
SHIM_CSR_RST | SHIM_CSR_STALL);
/* keep in reset for 10ms */
mdelay(10);
/* take DSP out of reset and keep stalled for FW loading */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
SHIM_CSR_RST | SHIM_CSR_STALL,
SHIM_CSR_STALL);
return 0;
}
static int bdw_set_dsp_D0(struct snd_sof_dev *sdev)
{
int tries = 10;
u32 reg;
/* Disable core clock gating (VDRTCTL2.DCLCGE = 0) */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
PCI_VDRTCL2_DCLCGE |
PCI_VDRTCL2_DTCGE, 0);
/* Disable D3PG (VDRTCTL0.D3PGD = 1) */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
PCI_VDRTCL0_D3PGD, PCI_VDRTCL0_D3PGD);
/* Set D0 state */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_PMCS,
PCI_PMCS_PS_MASK, 0);
/* check that ADSP shim is enabled */
while (tries--) {
reg = readl(sdev->bar[BDW_PCI_BAR] + PCI_PMCS)
& PCI_PMCS_PS_MASK;
if (reg == 0)
goto finish;
msleep(20);
}
return -ENODEV;
finish:
/*
* select SSP1 19.2MHz base clock, SSP clock 0,
* turn off Low Power Clock
*/
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR,
SHIM_CSR_S1IOCS | SHIM_CSR_SBCS1 |
SHIM_CSR_LPCS, 0x0);
/* stall DSP core, set clk to 192/96Mhz */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR,
SHIM_CSR, SHIM_CSR_STALL |
SHIM_CSR_DCS_MASK,
SHIM_CSR_STALL |
SHIM_CSR_DCS(4));
/* Set 24MHz MCLK, prevent local clock gating, enable SSP0 clock */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CLKCTL,
SHIM_CLKCTL_MASK |
SHIM_CLKCTL_DCPLCG |
SHIM_CLKCTL_SCOE0,
SHIM_CLKCTL_MASK |
SHIM_CLKCTL_DCPLCG |
SHIM_CLKCTL_SCOE0);
/* Stall and reset core, set CSR */
bdw_reset(sdev);
/* Enable core clock gating (VDRTCTL2.DCLCGE = 1), delay 50 us */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
PCI_VDRTCL2_DCLCGE |
PCI_VDRTCL2_DTCGE,
PCI_VDRTCL2_DCLCGE |
PCI_VDRTCL2_DTCGE);
usleep_range(50, 55);
/* switch on audio PLL */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL2,
PCI_VDRTCL2_APLLSE_MASK, 0);
/*
* set default power gating control, enable power gating control for
* all blocks. that is, can't be accessed, please enable each block
* before accessing.
*/
snd_sof_dsp_update_bits_unlocked(sdev, BDW_PCI_BAR, PCI_VDRTCTL0,
0xfffffffC, 0x0);
/* disable DMA finish function for SSP0 & SSP1 */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_CSR2,
SHIM_CSR2_SDFD_SSP1,
SHIM_CSR2_SDFD_SSP1);
/* set on-demond mode on engine 0,1 for all channels */
snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_HMDC,
SHIM_HMDC_HDDA_E0_ALLCH |
SHIM_HMDC_HDDA_E1_ALLCH,
SHIM_HMDC_HDDA_E0_ALLCH |
SHIM_HMDC_HDDA_E1_ALLCH);
/* Enable Interrupt from both sides */
snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRX,
(SHIM_IMRX_BUSY | SHIM_IMRX_DONE), 0x0);
snd_sof_dsp_update_bits(sdev, BDW_DSP_BAR, SHIM_IMRD,
(SHIM_IMRD_DONE | SHIM_IMRD_BUSY |
SHIM_IMRD_SSP0 | SHIM_IMRD_DMAC), 0x0);
/* clear IPC registers */
snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCX, 0x0);
snd_sof_dsp_write(sdev, BDW_DSP_BAR, SHIM_IPCD, 0x0);
snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0x80, 0x6);
snd_sof_dsp_write(sdev, BDW_DSP_BAR, 0xe0, 0x300a);
return 0;
}
static void bdw_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 registers */
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 bdw_dump(struct snd_sof_dev *sdev, u32 flags)
{
struct sof_ipc_dsp_oops_xtensa xoops;
struct sof_ipc_panic_info panic_info;
u32 stack[BDW_STACK_DUMP_SIZE];
u32 status, panic, imrx, imrd;
/* now try generic SOF status messages */
status = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
panic = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
bdw_get_registers(sdev, &xoops, &panic_info, stack,
BDW_STACK_DUMP_SIZE);
sof_print_oops_and_stack(sdev, KERN_ERR, status, panic, &xoops,
&panic_info, stack, BDW_STACK_DUMP_SIZE);
/* provide some context for firmware debug */
imrx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRX);
imrd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRD);
dev_err(sdev->dev,
"error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\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%8.8x\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%8.8x\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%8.8x\n",
(imrd & SHIM_IMRD_BUSY) ? "yes" : "no",
(imrd & SHIM_IMRD_DONE) ? "yes" : "no", imrd);
}
/*
* IPC Doorbell IRQ handler and thread.
*/
static irqreturn_t bdw_irq_handler(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
u32 isr;
int ret = IRQ_NONE;
/* Interrupt arrived, check src */
isr = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_ISRX);
if (isr & (SHIM_ISRX_DONE | SHIM_ISRX_BUSY))
ret = IRQ_WAKE_THREAD;
return ret;
}
static irqreturn_t bdw_irq_thread(int irq, void *context)
{
struct snd_sof_dev *sdev = context;
u32 ipcx, ipcd, imrx;
imrx = snd_sof_dsp_read64(sdev, BDW_DSP_BAR, SHIM_IMRX);
ipcx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCX);
/* reply message from DSP */
if (ipcx & SHIM_IPCX_DONE &&
!(imrx & SHIM_IMRX_DONE)) {
/* Mask Done interrupt before return */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_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
*/
snd_sof_ipc_process_reply(sdev, ipcx);
bdw_dsp_done(sdev);
spin_unlock_irq(&sdev->ipc_lock);
}
ipcd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
/* new message from DSP */
if (ipcd & SHIM_IPCD_BUSY &&
!(imrx & SHIM_IMRX_BUSY)) {
/* Mask Busy interrupt before return */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_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, BDW_PANIC_OFFSET(ipcx) + MBOX_OFFSET,
true);
} else {
snd_sof_ipc_msgs_rx(sdev);
}
bdw_host_done(sdev);
}
return IRQ_HANDLED;
}
/*
* IPC Mailbox IO
*/
static int bdw_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_write(sdev, BDW_DSP_BAR, SHIM_IPCX, SHIM_IPCX_BUSY);
return 0;
}
static int bdw_get_mailbox_offset(struct snd_sof_dev *sdev)
{
return MBOX_OFFSET;
}
static int bdw_get_window_offset(struct snd_sof_dev *sdev, u32 id)
{
return MBOX_OFFSET;
}
static void bdw_host_done(struct snd_sof_dev *sdev)
{
/* clear BUSY bit and set DONE bit - accept new messages */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCD,
SHIM_IPCD_BUSY | SHIM_IPCD_DONE,
SHIM_IPCD_DONE);
/* unmask busy interrupt */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
SHIM_IMRX_BUSY, 0);
}
static void bdw_dsp_done(struct snd_sof_dev *sdev)
{
/* clear DONE bit - tell DSP we have completed */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IPCX,
SHIM_IPCX_DONE, 0);
/* unmask Done interrupt */
snd_sof_dsp_update_bits_unlocked(sdev, BDW_DSP_BAR, SHIM_IMRX,
SHIM_IMRX_DONE, 0);
}
/*
* Probe and remove.
*/
static int bdw_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);
const struct sof_intel_dsp_desc *chip;
struct resource *mmio;
u32 base, size;
int ret;
chip = get_chip_info(sdev->pdata);
if (!chip) {
dev_err(sdev->dev, "error: no such device supported\n");
return -EIO;
}
sdev->num_cores = chip->cores_num;
/* 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[BDW_DSP_BAR] = devm_ioremap(sdev->dev, base, size);
if (!sdev->bar[BDW_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[BDW_DSP_BAR]);
/* TODO: add offsets */
sdev->mmio_bar = BDW_DSP_BAR;
sdev->mailbox_bar = BDW_DSP_BAR;
sdev->dsp_oops_offset = MBOX_OFFSET;
/* PCI base */
mmio = platform_get_resource(pdev, IORESOURCE_MEM,
desc->resindex_pcicfg_base);
if (mmio) {
base = mmio->start;
size = resource_size(mmio);
} else {
dev_err(sdev->dev, "error: failed to get PCI base at idx %d\n",
desc->resindex_pcicfg_base);
return -ENODEV;
}
dev_dbg(sdev->dev, "PCI base at 0x%x size 0x%x", base, size);
sdev->bar[BDW_PCI_BAR] = devm_ioremap(sdev->dev, base, size);
if (!sdev->bar[BDW_PCI_BAR]) {
dev_err(sdev->dev,
"error: failed to ioremap PCI base 0x%x size 0x%x\n",
base, size);
return -ENODEV;
}
dev_dbg(sdev->dev, "PCI VADDR %p\n", sdev->bar[BDW_PCI_BAR]);
/* 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,
bdw_irq_handler, bdw_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 the DSP SHIM */
ret = bdw_set_dsp_D0(sdev);
if (ret < 0) {
dev_err(sdev->dev, "error: failed to set DSP D0\n");
return 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;
}
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = MBOX_OFFSET;
return ret;
}
static struct snd_soc_acpi_mach *bdw_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;
mach = snd_soc_acpi_find_machine(desc->machines);
if (!mach) {
dev_warn(sdev->dev, "warning: No matching ASoC machine driver found\n");
return NULL;
}
sof_pdata->tplg_filename = mach->sof_tplg_filename;
mach->mach_params.acpi_ipc_irq_index = desc->irqindex_host_ipc;
return mach;
}
static void bdw_set_mach_params(struct snd_soc_acpi_mach *mach,
struct snd_sof_dev *sdev)
{
struct snd_sof_pdata *pdata = sdev->pdata;
const struct sof_dev_desc *desc = pdata->desc;
struct snd_soc_acpi_mach_params *mach_params;
mach_params = &mach->mach_params;
mach_params->platform = dev_name(sdev->dev);
mach_params->num_dai_drivers = desc->ops->num_drv;
mach_params->dai_drivers = desc->ops->drv;
}
/* Broadwell DAIs */
static struct snd_soc_dai_driver bdw_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,
},
},
};
/* broadwell ops */
static const struct snd_sof_dsp_ops sof_bdw_ops = {
/*Device init */
.probe = bdw_probe,
/* DSP Core Control */
.run = bdw_run,
.reset = bdw_reset,
/* Register IO uses direct mmio */
/* Block IO */
.block_read = sof_block_read,
.block_write = sof_block_write,
/* Mailbox IO */
.mailbox_read = sof_mailbox_read,
.mailbox_write = sof_mailbox_write,
/* ipc */
.send_msg = bdw_send_msg,
.get_mailbox_offset = bdw_get_mailbox_offset,
.get_window_offset = bdw_get_window_offset,
.ipc_msg_data = sof_ipc_msg_data,
.set_stream_data_offset = sof_set_stream_data_offset,
/* machine driver */
.machine_select = bdw_machine_select,
.machine_register = sof_machine_register,
.machine_unregister = sof_machine_unregister,
.set_mach_params = bdw_set_mach_params,
/* debug */
.debug_map = bdw_debugfs,
.debug_map_count = ARRAY_SIZE(bdw_debugfs),
.dbg_dump = bdw_dump,
.debugfs_add_region_item = snd_sof_debugfs_add_region_item_iomem,
/* stream callbacks */
.pcm_open = sof_stream_pcm_open,
.pcm_close = sof_stream_pcm_close,
/*Firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,
/* DAI drivers */
.drv = bdw_dai,
.num_drv = ARRAY_SIZE(bdw_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,
.dsp_arch_ops = &sof_xtensa_arch_ops,
};
static const struct sof_intel_dsp_desc bdw_chip_info = {
.cores_num = 1,
.host_managed_cores_mask = 1,
.hw_ip_version = SOF_INTEL_BROADWELL,
};
static const struct sof_dev_desc sof_acpi_broadwell_desc = {
.machines = snd_soc_acpi_intel_broadwell_machines,
.resindex_lpe_base = 0,
.resindex_pcicfg_base = 1,
.resindex_imr_base = -1,
.irqindex_host_ipc = 0,
.chip_info = &bdw_chip_info,
.ipc_supported_mask = BIT(SOF_IPC_TYPE_3),
.ipc_default = SOF_IPC_TYPE_3,
.default_fw_path = {
[SOF_IPC_TYPE_3] = "intel/sof",
},
.default_tplg_path = {
[SOF_IPC_TYPE_3] = "intel/sof-tplg",
},
.default_fw_filename = {
[SOF_IPC_TYPE_3] = "sof-bdw.ri",
},
.nocodec_tplg_filename = "sof-bdw-nocodec.tplg",
.ops = &sof_bdw_ops,
};
static const struct acpi_device_id sof_broadwell_match[] = {
{ "INT3438", (unsigned long)&sof_acpi_broadwell_desc },
{ }
};
MODULE_DEVICE_TABLE(acpi, sof_broadwell_match);
static int sof_broadwell_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
const struct acpi_device_id *id;
const struct sof_dev_desc *desc;
int ret;
id = acpi_match_device(dev->driver->acpi_match_table, dev);
if (!id)
return -ENODEV;
ret = snd_intel_acpi_dsp_driver_probe(dev, id->id);
if (ret != SND_INTEL_DSP_DRIVER_ANY && ret != SND_INTEL_DSP_DRIVER_SOF) {
dev_dbg(dev, "SOF ACPI driver not selected, aborting probe\n");
return -ENODEV;
}
desc = (const struct sof_dev_desc *)id->driver_data;
return sof_acpi_probe(pdev, desc);
}
/* acpi_driver definition */
static struct platform_driver snd_sof_acpi_intel_bdw_driver = {
.probe = sof_broadwell_probe,
.remove = sof_acpi_remove,
.driver = {
.name = "sof-audio-acpi-intel-bdw",
.pm = &sof_acpi_pm,
.acpi_match_table = sof_broadwell_match,
},
};
module_platform_driver(snd_sof_acpi_intel_bdw_driver);
MODULE_LICENSE("Dual BSD/GPL");
MODULE_DESCRIPTION("SOF support for Broadwell platforms");
MODULE_IMPORT_NS(SND_SOC_SOF_INTEL_HIFI_EP_IPC);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
MODULE_IMPORT_NS(SND_SOC_SOF_ACPI_DEV);
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