diff options
Diffstat (limited to 'kernel/sound/soc/intel/common')
| -rw-r--r-- | kernel/sound/soc/intel/common/Makefile | 6 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-acpi.c | 2 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-dsp-priv.h | 24 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-dsp.c | 73 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-dsp.h | 8 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-firmware.c | 10 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-ipc.c | 34 | ||||
| -rw-r--r-- | kernel/sound/soc/intel/common/sst-ipc.h | 7 |
8 files changed, 144 insertions, 20 deletions
diff --git a/kernel/sound/soc/intel/common/Makefile b/kernel/sound/soc/intel/common/Makefile index f24154ca4..d9105584c 100644 --- a/kernel/sound/soc/intel/common/Makefile +++ b/kernel/sound/soc/intel/common/Makefile @@ -1,7 +1,11 @@ -snd-soc-sst-dsp-objs := sst-dsp.o sst-firmware.o +snd-soc-sst-dsp-objs := sst-dsp.o snd-soc-sst-acpi-objs := sst-acpi.o snd-soc-sst-ipc-objs := sst-ipc.o +ifneq ($(CONFIG_DW_DMAC_CORE),) +snd-soc-sst-dsp-objs += sst-firmware.o +endif + obj-$(CONFIG_SND_SOC_INTEL_SST) += snd-soc-sst-dsp.o snd-soc-sst-ipc.o obj-$(CONFIG_SND_SOC_INTEL_SST_ACPI) += snd-soc-sst-acpi.o diff --git a/kernel/sound/soc/intel/common/sst-acpi.c b/kernel/sound/soc/intel/common/sst-acpi.c index 42f293f9c..67b6d3d52 100644 --- a/kernel/sound/soc/intel/common/sst-acpi.c +++ b/kernel/sound/soc/intel/common/sst-acpi.c @@ -263,7 +263,7 @@ static struct sst_acpi_desc sst_acpi_baytrail_desc = { .resindex_dma_base = -1, }; -static struct acpi_device_id sst_acpi_match[] = { +static const struct acpi_device_id sst_acpi_match[] = { { "INT33C8", (unsigned long)&sst_acpi_haswell_desc }, { "INT3438", (unsigned long)&sst_acpi_broadwell_desc }, { "80860F28", (unsigned long)&sst_acpi_baytrail_desc }, diff --git a/kernel/sound/soc/intel/common/sst-dsp-priv.h b/kernel/sound/soc/intel/common/sst-dsp-priv.h index 396d54510..2151652d3 100644 --- a/kernel/sound/soc/intel/common/sst-dsp-priv.h +++ b/kernel/sound/soc/intel/common/sst-dsp-priv.h @@ -22,6 +22,8 @@ #include <linux/interrupt.h> #include <linux/firmware.h> +#include "../skylake/skl-sst-dsp.h" + struct sst_mem_block; struct sst_module; struct sst_fw; @@ -258,6 +260,8 @@ struct sst_mem_block { */ struct sst_dsp { + /* Shared for all platforms */ + /* runtime */ struct sst_dsp_device *sst_dev; spinlock_t spinlock; /* IPC locking */ @@ -268,10 +272,6 @@ struct sst_dsp { int irq; u32 id; - /* list of free and used ADSP memory blocks */ - struct list_head used_block_list; - struct list_head free_block_list; - /* operations */ struct sst_ops *ops; @@ -284,6 +284,12 @@ struct sst_dsp { /* mailbox */ struct sst_mailbox mailbox; + /* HSW/Byt data */ + + /* list of free and used ADSP memory blocks */ + struct list_head used_block_list; + struct list_head free_block_list; + /* SST FW files loaded and their modules */ struct list_head module_list; struct list_head fw_list; @@ -299,6 +305,16 @@ struct sst_dsp { /* DMA FW loading */ struct sst_dma *dma; bool fw_use_dma; + + /* SKL data */ + + /* To allocate CL dma buffers */ + struct skl_dsp_loader_ops dsp_ops; + struct skl_dsp_fw_ops fw_ops; + int sst_state; + struct skl_cl_dev cl_dev; + u32 intr_status; + const struct firmware *fw; }; /* Size optimised DRAM/IRAM memcpy */ diff --git a/kernel/sound/soc/intel/common/sst-dsp.c b/kernel/sound/soc/intel/common/sst-dsp.c index 64e94212d..c9452e02e 100644 --- a/kernel/sound/soc/intel/common/sst-dsp.c +++ b/kernel/sound/soc/intel/common/sst-dsp.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/io.h> +#include <linux/delay.h> #include "sst-dsp.h" #include "sst-dsp-priv.h" @@ -196,6 +197,22 @@ int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset, } EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64_unlocked); +/* This is for registers bits with attribute RWC */ +void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value) +{ + unsigned int old, new; + u32 ret; + + ret = sst_dsp_shim_read_unlocked(sst, offset); + + old = ret; + new = (old & (~mask)) | (value & mask); + + sst_dsp_shim_write_unlocked(sst, offset, new); +} +EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced_unlocked); + int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset, u32 mask, u32 value) { @@ -222,6 +239,60 @@ int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset, } EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64); +/* This is for registers bits with attribute RWC */ +void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value) +{ + unsigned long flags; + + spin_lock_irqsave(&sst->spinlock, flags); + sst_dsp_shim_update_bits_forced_unlocked(sst, offset, mask, value); + spin_unlock_irqrestore(&sst->spinlock, flags); +} +EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced); + +int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask, + u32 target, u32 timeout, char *operation) +{ + int time, ret; + u32 reg; + bool done = false; + + /* + * we will poll for couple of ms using mdelay, if not successful + * then go to longer sleep using usleep_range + */ + + /* check if set state successful */ + for (time = 0; time < 5; time++) { + if ((sst_dsp_shim_read_unlocked(ctx, offset) & mask) == target) { + done = true; + break; + } + mdelay(1); + } + + if (done == false) { + /* sleeping in 10ms steps so adjust timeout value */ + timeout /= 10; + + for (time = 0; time < timeout; time++) { + if ((sst_dsp_shim_read_unlocked(ctx, offset) & mask) == target) + break; + + usleep_range(5000, 10000); + } + } + + reg = sst_dsp_shim_read_unlocked(ctx, offset); + dev_info(ctx->dev, "FW Poll Status: reg=%#x %s %s\n", reg, operation, + (time < timeout) ? "successful" : "timedout"); + ret = time < timeout ? 0 : -ETIME; + + return ret; +} +EXPORT_SYMBOL_GPL(sst_dsp_register_poll); + void sst_dsp_dump(struct sst_dsp *sst) { if (sst->ops->dump) @@ -349,6 +420,7 @@ void sst_dsp_inbox_read(struct sst_dsp *sst, void *message, size_t bytes) } EXPORT_SYMBOL_GPL(sst_dsp_inbox_read); +#if IS_ENABLED(CONFIG_DW_DMAC_CORE) struct sst_dsp *sst_dsp_new(struct device *dev, struct sst_dsp_device *sst_dev, struct sst_pdata *pdata) { @@ -413,6 +485,7 @@ void sst_dsp_free(struct sst_dsp *sst) sst_dma_free(sst->dma); } EXPORT_SYMBOL_GPL(sst_dsp_free); +#endif /* Module information */ MODULE_AUTHOR("Liam Girdwood"); diff --git a/kernel/sound/soc/intel/common/sst-dsp.h b/kernel/sound/soc/intel/common/sst-dsp.h index 96aeb2556..859f0de00 100644 --- a/kernel/sound/soc/intel/common/sst-dsp.h +++ b/kernel/sound/soc/intel/common/sst-dsp.h @@ -216,10 +216,12 @@ struct sst_pdata { void *dsp; }; +#if IS_ENABLED(CONFIG_DW_DMAC_CORE) /* Initialization */ struct sst_dsp *sst_dsp_new(struct device *dev, struct sst_dsp_device *sst_dev, struct sst_pdata *pdata); void sst_dsp_free(struct sst_dsp *sst); +#endif /* SHIM Read / Write */ void sst_dsp_shim_write(struct sst_dsp *sst, u32 offset, u32 value); @@ -230,6 +232,8 @@ void sst_dsp_shim_write64(struct sst_dsp *sst, u32 offset, u64 value); u64 sst_dsp_shim_read64(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset, u64 mask, u64 value); +void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); /* SHIM Read / Write Unlocked for callers already holding sst lock */ void sst_dsp_shim_write_unlocked(struct sst_dsp *sst, u32 offset, u32 value); @@ -240,6 +244,8 @@ void sst_dsp_shim_write64_unlocked(struct sst_dsp *sst, u32 offset, u64 value); u64 sst_dsp_shim_read64_unlocked(struct sst_dsp *sst, u32 offset); int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset, u64 mask, u64 value); +void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value); /* Internal generic low-level SST IO functions - can be overidden */ void sst_shim32_write(void __iomem *addr, u32 offset, u32 value); @@ -278,6 +284,8 @@ void sst_dsp_inbox_read(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_outbox_write(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_outbox_read(struct sst_dsp *dsp, void *message, size_t bytes); void sst_dsp_mailbox_dump(struct sst_dsp *dsp, size_t bytes); +int sst_dsp_register_poll(struct sst_dsp *dsp, u32 offset, u32 mask, + u32 expected_value, u32 timeout, char *operation); /* Debug */ void sst_dsp_dump(struct sst_dsp *sst); diff --git a/kernel/sound/soc/intel/common/sst-firmware.c b/kernel/sound/soc/intel/common/sst-firmware.c index ebcca6dc4..1636a1eeb 100644 --- a/kernel/sound/soc/intel/common/sst-firmware.c +++ b/kernel/sound/soc/intel/common/sst-firmware.c @@ -26,7 +26,6 @@ #include <linux/acpi.h> /* supported DMA engine drivers */ -#include <linux/platform_data/dma-dw.h> #include <linux/dma/dw.h> #include <asm/page.h> @@ -169,12 +168,6 @@ err: return ret; } -static struct dw_dma_platform_data dw_pdata = { - .is_private = 1, - .chan_allocation_order = CHAN_ALLOCATION_ASCENDING, - .chan_priority = CHAN_PRIORITY_ASCENDING, -}; - static struct dw_dma_chip *dw_probe(struct device *dev, struct resource *mem, int irq) { @@ -195,7 +188,8 @@ static struct dw_dma_chip *dw_probe(struct device *dev, struct resource *mem, return ERR_PTR(err); chip->dev = dev; - err = dw_dma_probe(chip, &dw_pdata); + + err = dw_dma_probe(chip, NULL); if (err) return ERR_PTR(err); diff --git a/kernel/sound/soc/intel/common/sst-ipc.c b/kernel/sound/soc/intel/common/sst-ipc.c index 4b62a5538..a12c7bb08 100644 --- a/kernel/sound/soc/intel/common/sst-ipc.c +++ b/kernel/sound/soc/intel/common/sst-ipc.c @@ -129,11 +129,31 @@ static int msg_empty_list_init(struct sst_generic_ipc *ipc) return -ENOMEM; for (i = 0; i < IPC_EMPTY_LIST_SIZE; i++) { + ipc->msg[i].tx_data = kzalloc(ipc->tx_data_max_size, GFP_KERNEL); + if (ipc->msg[i].tx_data == NULL) + goto free_mem; + + ipc->msg[i].rx_data = kzalloc(ipc->rx_data_max_size, GFP_KERNEL); + if (ipc->msg[i].rx_data == NULL) { + kfree(ipc->msg[i].tx_data); + goto free_mem; + } + init_waitqueue_head(&ipc->msg[i].waitq); list_add(&ipc->msg[i].list, &ipc->empty_list); } return 0; + +free_mem: + while (i > 0) { + kfree(ipc->msg[i-1].tx_data); + kfree(ipc->msg[i-1].rx_data); + --i; + } + kfree(ipc->msg); + + return -ENOMEM; } static void ipc_tx_msgs(struct kthread_work *work) @@ -142,7 +162,6 @@ static void ipc_tx_msgs(struct kthread_work *work) container_of(work, struct sst_generic_ipc, kwork); struct ipc_message *msg; unsigned long flags; - u64 ipcx; spin_lock_irqsave(&ipc->dsp->spinlock, flags); @@ -153,8 +172,8 @@ static void ipc_tx_msgs(struct kthread_work *work) /* if the DSP is busy, we will TX messages after IRQ. * also postpone if we are in the middle of procesing completion irq*/ - ipcx = sst_dsp_shim_read_unlocked(ipc->dsp, SST_IPCX); - if (ipcx & (SST_IPCX_BUSY | SST_IPCX_DONE)) { + if (ipc->ops.is_dsp_busy && ipc->ops.is_dsp_busy(ipc->dsp)) { + dev_dbg(ipc->dev, "ipc_tx_msgs dsp busy\n"); spin_unlock_irqrestore(&ipc->dsp->spinlock, flags); return; } @@ -280,11 +299,18 @@ EXPORT_SYMBOL_GPL(sst_ipc_init); void sst_ipc_fini(struct sst_generic_ipc *ipc) { + int i; + if (ipc->tx_thread) kthread_stop(ipc->tx_thread); - if (ipc->msg) + if (ipc->msg) { + for (i = 0; i < IPC_EMPTY_LIST_SIZE; i++) { + kfree(ipc->msg[i].tx_data); + kfree(ipc->msg[i].rx_data); + } kfree(ipc->msg); + } } EXPORT_SYMBOL_GPL(sst_ipc_fini); diff --git a/kernel/sound/soc/intel/common/sst-ipc.h b/kernel/sound/soc/intel/common/sst-ipc.h index 125ea451a..ceb7e468a 100644 --- a/kernel/sound/soc/intel/common/sst-ipc.h +++ b/kernel/sound/soc/intel/common/sst-ipc.h @@ -32,9 +32,9 @@ struct ipc_message { u64 header; /* direction wrt host CPU */ - char tx_data[IPC_MAX_MAILBOX_BYTES]; + char *tx_data; size_t tx_size; - char rx_data[IPC_MAX_MAILBOX_BYTES]; + char *rx_data; size_t rx_size; wait_queue_head_t waitq; @@ -51,6 +51,7 @@ struct sst_plat_ipc_ops { void (*shim_dbg)(struct sst_generic_ipc *, const char *); void (*tx_data_copy)(struct ipc_message *, char *, size_t); u64 (*reply_msg_match)(u64 header, u64 *mask); + bool (*is_dsp_busy)(struct sst_dsp *dsp); }; /* SST generic IPC data */ @@ -68,6 +69,8 @@ struct sst_generic_ipc { struct kthread_work kwork; bool pending; struct ipc_message *msg; + int tx_data_max_size; + int rx_data_max_size; struct sst_plat_ipc_ops ops; }; |