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path: root/sound/soc/intel/skylake/skl-sst.c
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Diffstat (limited to 'sound/soc/intel/skylake/skl-sst.c')
-rw-r--r--sound/soc/intel/skylake/skl-sst.c216
1 files changed, 196 insertions, 20 deletions
diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c
index c5239019f..78a010758 100644
--- a/sound/soc/intel/skylake/skl-sst.c
+++ b/sound/soc/intel/skylake/skl-sst.c
@@ -19,6 +19,7 @@
#include <linux/module.h>
#include <linux/delay.h>
#include <linux/device.h>
+#include <linux/err.h>
#include "../common/sst-dsp.h"
#include "../common/sst-dsp-priv.h"
#include "../common/sst-ipc.h"
@@ -37,6 +38,8 @@
#define SKL_INSTANCE_ID 0
#define SKL_BASE_FW_MODULE_ID 0
+#define SKL_NUM_MODULES 1
+
static bool skl_check_fw_status(struct sst_dsp *ctx, u32 status)
{
u32 cur_sts;
@@ -77,7 +80,7 @@ static int skl_load_base_firmware(struct sst_dsp *ctx)
init_waitqueue_head(&skl->boot_wait);
if (ctx->fw == NULL) {
- ret = reject_firmware(&ctx->fw, "/*(DEBLOBBED)*/", ctx->dev);
+ ret = reject_firmware(&ctx->fw, ctx->fw_name, ctx->dev);
if (ret < 0) {
dev_err(ctx->dev, "Request firmware failed %d\n", ret);
skl_dsp_disable_core(ctx);
@@ -115,27 +118,28 @@ static int skl_load_base_firmware(struct sst_dsp *ctx)
dev_err(ctx->dev,
"Timeout waiting for ROM init done, reg:0x%x\n", reg);
ret = -EIO;
- goto skl_load_base_firmware_failed;
+ goto transfer_firmware_failed;
}
ret = skl_transfer_firmware(ctx, ctx->fw->data, ctx->fw->size);
if (ret < 0) {
dev_err(ctx->dev, "Transfer firmware failed%d\n", ret);
- goto skl_load_base_firmware_failed;
+ goto transfer_firmware_failed;
} else {
ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
if (ret == 0) {
dev_err(ctx->dev, "DSP boot failed, FW Ready timed-out\n");
ret = -EIO;
- goto skl_load_base_firmware_failed;
+ goto transfer_firmware_failed;
}
dev_dbg(ctx->dev, "Download firmware successful%d\n", ret);
skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
}
return 0;
-
+transfer_firmware_failed:
+ ctx->cl_dev.ops.cl_cleanup_controller(ctx);
skl_load_base_firmware_failed:
skl_dsp_disable_core(ctx);
release_firmware(ctx->fw);
@@ -175,10 +179,15 @@ static int skl_set_dsp_D3(struct sst_dsp *ctx)
dx.core_mask = SKL_DSP_CORE0_MASK;
dx.dx_mask = SKL_IPC_D3_MASK;
ret = skl_ipc_set_dx(&skl->ipc, SKL_INSTANCE_ID, SKL_BASE_FW_MODULE_ID, &dx);
- if (ret < 0) {
- dev_err(ctx->dev, "Failed to set DSP to D3 state\n");
- return ret;
- }
+ if (ret < 0)
+ dev_err(ctx->dev,
+ "D3 request to FW failed, continuing reset: %d", ret);
+
+ /* disable Interrupt */
+ ctx->cl_dev.ops.cl_cleanup_controller(ctx);
+ skl_cldma_int_disable(ctx);
+ skl_ipc_op_int_disable(ctx);
+ skl_ipc_int_disable(ctx);
ret = skl_dsp_disable_core(ctx);
if (ret < 0) {
@@ -187,12 +196,6 @@ static int skl_set_dsp_D3(struct sst_dsp *ctx)
}
skl_dsp_set_state_locked(ctx, SKL_DSP_RESET);
- /* disable Interrupt */
- ctx->cl_dev.ops.cl_cleanup_controller(ctx);
- skl_cldma_int_disable(ctx);
- skl_ipc_op_int_disable(ctx);
- skl_ipc_int_disable(ctx);
-
return ret;
}
@@ -201,11 +204,181 @@ static unsigned int skl_get_errorcode(struct sst_dsp *ctx)
return sst_dsp_shim_read(ctx, SKL_ADSP_ERROR_CODE);
}
+/*
+ * since get/set_module are called from DAPM context,
+ * we don't need lock for usage count
+ */
+static int skl_get_module(struct sst_dsp *ctx, u16 mod_id)
+{
+ struct skl_module_table *module;
+
+ list_for_each_entry(module, &ctx->module_list, list) {
+ if (module->mod_info->mod_id == mod_id)
+ return ++module->usage_cnt;
+ }
+
+ return -EINVAL;
+}
+
+static int skl_put_module(struct sst_dsp *ctx, u16 mod_id)
+{
+ struct skl_module_table *module;
+
+ list_for_each_entry(module, &ctx->module_list, list) {
+ if (module->mod_info->mod_id == mod_id)
+ return --module->usage_cnt;
+ }
+
+ return -EINVAL;
+}
+
+static struct skl_module_table *skl_fill_module_table(struct sst_dsp *ctx,
+ char *mod_name, int mod_id)
+{
+ const struct firmware *fw;
+ struct skl_module_table *skl_module;
+ unsigned int size;
+ int ret;
+
+ ret = reject_firmware(&fw, mod_name, ctx->dev);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Request Module %s failed :%d\n",
+ mod_name, ret);
+ return NULL;
+ }
+
+ skl_module = devm_kzalloc(ctx->dev, sizeof(*skl_module), GFP_KERNEL);
+ if (skl_module == NULL) {
+ release_firmware(fw);
+ return NULL;
+ }
+
+ size = sizeof(*skl_module->mod_info);
+ skl_module->mod_info = devm_kzalloc(ctx->dev, size, GFP_KERNEL);
+ if (skl_module->mod_info == NULL) {
+ release_firmware(fw);
+ return NULL;
+ }
+
+ skl_module->mod_info->mod_id = mod_id;
+ skl_module->mod_info->fw = fw;
+ list_add(&skl_module->list, &ctx->module_list);
+
+ return skl_module;
+}
+
+/* get a module from it's unique ID */
+static struct skl_module_table *skl_module_get_from_id(
+ struct sst_dsp *ctx, u16 mod_id)
+{
+ struct skl_module_table *module;
+
+ if (list_empty(&ctx->module_list)) {
+ dev_err(ctx->dev, "Module list is empty\n");
+ return NULL;
+ }
+
+ list_for_each_entry(module, &ctx->module_list, list) {
+ if (module->mod_info->mod_id == mod_id)
+ return module;
+ }
+
+ return NULL;
+}
+
+static int skl_transfer_module(struct sst_dsp *ctx,
+ struct skl_load_module_info *module)
+{
+ int ret;
+ struct skl_sst *skl = ctx->thread_context;
+
+ ret = ctx->cl_dev.ops.cl_copy_to_dmabuf(ctx, module->fw->data,
+ module->fw->size);
+ if (ret < 0)
+ return ret;
+
+ ret = skl_ipc_load_modules(&skl->ipc, SKL_NUM_MODULES,
+ (void *)&module->mod_id);
+ if (ret < 0)
+ dev_err(ctx->dev, "Failed to Load module: %d\n", ret);
+
+ ctx->cl_dev.ops.cl_stop_dma(ctx);
+
+ return ret;
+}
+
+static int skl_load_module(struct sst_dsp *ctx, u16 mod_id, char *guid)
+{
+ struct skl_module_table *module_entry = NULL;
+ int ret = 0;
+ char mod_name[64]; /* guid str = 32 chars + 4 hyphens */
+
+ snprintf(mod_name, sizeof(mod_name), "/*(DEBLOBBED)*/");
+
+ module_entry = skl_module_get_from_id(ctx, mod_id);
+ if (module_entry == NULL) {
+ module_entry = skl_fill_module_table(ctx, mod_name, mod_id);
+ if (module_entry == NULL) {
+ dev_err(ctx->dev, "Failed to Load module\n");
+ return -EINVAL;
+ }
+ }
+
+ if (!module_entry->usage_cnt) {
+ ret = skl_transfer_module(ctx, module_entry->mod_info);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to Load module\n");
+ return ret;
+ }
+ }
+
+ ret = skl_get_module(ctx, mod_id);
+
+ return ret;
+}
+
+static int skl_unload_module(struct sst_dsp *ctx, u16 mod_id)
+{
+ int usage_cnt;
+ struct skl_sst *skl = ctx->thread_context;
+ int ret = 0;
+
+ usage_cnt = skl_put_module(ctx, mod_id);
+ if (usage_cnt < 0) {
+ dev_err(ctx->dev, "Module bad usage cnt!:%d\n", usage_cnt);
+ return -EIO;
+ }
+ ret = skl_ipc_unload_modules(&skl->ipc,
+ SKL_NUM_MODULES, &mod_id);
+ if (ret < 0) {
+ dev_err(ctx->dev, "Failed to UnLoad module\n");
+ skl_get_module(ctx, mod_id);
+ return ret;
+ }
+
+ return ret;
+}
+
+static void skl_clear_module_table(struct sst_dsp *ctx)
+{
+ struct skl_module_table *module, *tmp;
+
+ if (list_empty(&ctx->module_list))
+ return;
+
+ list_for_each_entry_safe(module, tmp, &ctx->module_list, list) {
+ list_del(&module->list);
+ release_firmware(module->mod_info->fw);
+ }
+}
+
static struct skl_dsp_fw_ops skl_fw_ops = {
.set_state_D0 = skl_set_dsp_D0,
.set_state_D3 = skl_set_dsp_D3,
.load_fw = skl_load_base_firmware,
.get_fw_errcode = skl_get_errorcode,
+ .load_mod = skl_load_module,
+ .unload_mod = skl_unload_module,
};
static struct sst_ops skl_ops = {
@@ -223,7 +396,7 @@ static struct sst_dsp_device skl_dev = {
};
int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
- struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp)
+ const char *fw_name, struct skl_dsp_loader_ops dsp_ops, struct skl_sst **dsp)
{
struct skl_sst *skl;
struct sst_dsp *sst;
@@ -244,11 +417,13 @@ int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
sst = skl->dsp;
+ sst->fw_name = fw_name;
sst->addr.lpe = mmio_base;
sst->addr.shim = mmio_base;
sst_dsp_mailbox_init(sst, (SKL_ADSP_SRAM0_BASE + SKL_ADSP_W0_STAT_SZ),
SKL_ADSP_W0_UP_SZ, SKL_ADSP_SRAM1_BASE, SKL_ADSP_W1_SZ);
+ INIT_LIST_HEAD(&sst->module_list);
sst->dsp_ops = dsp_ops;
sst->fw_ops = skl_fw_ops;
@@ -259,23 +434,24 @@ int skl_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
ret = sst->fw_ops.load_fw(sst);
if (ret < 0) {
dev_err(dev, "Load base fw failed : %d", ret);
- return ret;
+ goto cleanup;
}
if (dsp)
*dsp = skl;
- return 0;
+ return ret;
- skl_ipc_free(&skl->ipc);
+cleanup:
+ skl_sst_dsp_cleanup(dev, skl);
return ret;
}
EXPORT_SYMBOL_GPL(skl_sst_dsp_init);
void skl_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
{
+ skl_clear_module_table(ctx->dsp);
skl_ipc_free(&ctx->ipc);
- ctx->dsp->cl_dev.ops.cl_cleanup_controller(ctx->dsp);
ctx->dsp->ops->free(ctx->dsp);
}
EXPORT_SYMBOL_GPL(skl_sst_dsp_cleanup);