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Diffstat (limited to 'sound/soc/intel/skylake/bxt-sst.c')
-rw-r--r--sound/soc/intel/skylake/bxt-sst.c202
1 files changed, 152 insertions, 50 deletions
diff --git a/sound/soc/intel/skylake/bxt-sst.c b/sound/soc/intel/skylake/bxt-sst.c
index 8b95e09e23e8..2663781278aa 100644
--- a/sound/soc/intel/skylake/bxt-sst.c
+++ b/sound/soc/intel/skylake/bxt-sst.c
@@ -37,11 +37,19 @@
#define BXT_ADSP_SRAM1_BASE 0xA0000
+#define BXT_INSTANCE_ID 0
+#define BXT_BASE_FW_MODULE_ID 0
+
static unsigned int bxt_get_errorcode(struct sst_dsp *ctx)
{
return sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE);
}
+/*
+ * First boot sequence has some extra steps. Core 0 waits for power
+ * status on core 1, so power up core 1 also momentarily, keep it in
+ * reset/stall and then turn it off
+ */
static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
const void *fwdata, u32 fwsize)
{
@@ -49,7 +57,7 @@ static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
u32 reg;
stream_tag = ctx->dsp_ops.prepare(ctx->dev, 0x40, fwsize, &ctx->dmab);
- if (stream_tag < 0) {
+ if (stream_tag <= 0) {
dev_err(ctx->dev, "Failed to prepare DMA FW loading err: %x\n",
stream_tag);
return stream_tag;
@@ -58,17 +66,27 @@ static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
ctx->dsp_ops.stream_tag = stream_tag;
memcpy(ctx->dmab.area, fwdata, fwsize);
- /* Purge FW request */
+ /* Step 1: Power up core 0 and core1 */
+ ret = skl_dsp_core_power_up(ctx, SKL_DSP_CORE0_MASK |
+ SKL_DSP_CORE_MASK(1));
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp core0/1 power up failed\n");
+ goto base_fw_load_failed;
+ }
+
+ /* Step 2: Purge FW request */
sst_dsp_shim_write(ctx, SKL_ADSP_REG_HIPCI, SKL_ADSP_REG_HIPCI_BUSY |
- BXT_IPC_PURGE_FW | (stream_tag - 1));
+ (BXT_IPC_PURGE_FW | ((stream_tag - 1) << 9)));
- ret = skl_dsp_enable_core(ctx);
+ /* Step 3: Unset core0 reset state & unstall/run core0 */
+ ret = skl_dsp_start_core(ctx, SKL_DSP_CORE0_MASK);
if (ret < 0) {
- dev_err(ctx->dev, "Boot dsp core failed ret: %d\n", ret);
+ dev_err(ctx->dev, "Start dsp core failed ret: %d\n", ret);
ret = -EIO;
goto base_fw_load_failed;
}
+ /* Step 4: Wait for DONE Bit */
for (i = BXT_INIT_TIMEOUT; i > 0; --i) {
reg = sst_dsp_shim_read(ctx, SKL_ADSP_REG_HIPCIE);
@@ -88,10 +106,18 @@ static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
SKL_ADSP_REG_HIPCIE_DONE);
}
- /* enable Interrupt */
+ /* Step 5: power down core1 */
+ ret = skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
+ if (ret < 0) {
+ dev_err(ctx->dev, "dsp core1 power down failed\n");
+ goto base_fw_load_failed;
+ }
+
+ /* Step 6: Enable Interrupt */
skl_ipc_int_enable(ctx);
skl_ipc_op_int_enable(ctx);
+ /* Step 7: Wait for ROM init */
for (i = BXT_INIT_TIMEOUT; i > 0; --i) {
if (SKL_FW_INIT ==
(sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS) &
@@ -112,7 +138,8 @@ static int sst_bxt_prepare_fw(struct sst_dsp *ctx,
base_fw_load_failed:
ctx->dsp_ops.cleanup(ctx->dev, &ctx->dmab, stream_tag);
- skl_dsp_disable_core(ctx);
+ skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
+ skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
return ret;
}
@@ -130,23 +157,41 @@ static int sst_transfer_fw_host_dma(struct sst_dsp *ctx)
return ret;
}
+#define BXT_ADSP_FW_BIN_HDR_OFFSET 0x2000
+
static int bxt_load_base_firmware(struct sst_dsp *ctx)
{
- const struct firmware *fw = NULL;
+ struct firmware stripped_fw;
struct skl_sst *skl = ctx->thread_context;
int ret;
- ret = request_firmware(&fw, ctx->fw_name, ctx->dev);
+ ret = request_firmware(&ctx->fw, ctx->fw_name, ctx->dev);
if (ret < 0) {
dev_err(ctx->dev, "Request firmware failed %d\n", ret);
goto sst_load_base_firmware_failed;
}
- ret = sst_bxt_prepare_fw(ctx, fw->data, fw->size);
+ /* check for extended manifest */
+ if (ctx->fw == NULL)
+ goto sst_load_base_firmware_failed;
+
+ ret = snd_skl_parse_uuids(ctx, BXT_ADSP_FW_BIN_HDR_OFFSET);
+ if (ret < 0)
+ goto sst_load_base_firmware_failed;
+
+ stripped_fw.data = ctx->fw->data;
+ stripped_fw.size = ctx->fw->size;
+ skl_dsp_strip_extended_manifest(&stripped_fw);
+
+ ret = sst_bxt_prepare_fw(ctx, stripped_fw.data, stripped_fw.size);
/* Retry Enabling core and ROM load. Retry seemed to help */
if (ret < 0) {
- ret = sst_bxt_prepare_fw(ctx, fw->data, fw->size);
+ ret = sst_bxt_prepare_fw(ctx, stripped_fw.data, stripped_fw.size);
if (ret < 0) {
+ dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
+ sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
+ sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
+
dev_err(ctx->dev, "Core En/ROM load fail:%d\n", ret);
goto sst_load_base_firmware_failed;
}
@@ -159,83 +204,135 @@ static int bxt_load_base_firmware(struct sst_dsp *ctx)
sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
- skl_dsp_disable_core(ctx);
+ skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
} else {
dev_dbg(ctx->dev, "Firmware download successful\n");
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 fail, FW Ready timeout\n");
- skl_dsp_disable_core(ctx);
+ skl_dsp_disable_core(ctx, SKL_DSP_CORE0_MASK);
ret = -EIO;
} else {
- skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
ret = 0;
+ skl->fw_loaded = true;
}
}
sst_load_base_firmware_failed:
- release_firmware(fw);
+ release_firmware(ctx->fw);
return ret;
}
-static int bxt_set_dsp_D0(struct sst_dsp *ctx)
+static int bxt_set_dsp_D0(struct sst_dsp *ctx, unsigned int core_id)
{
struct skl_sst *skl = ctx->thread_context;
int ret;
+ struct skl_ipc_dxstate_info dx;
+ unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
- skl->boot_complete = false;
-
- ret = skl_dsp_enable_core(ctx);
- if (ret < 0) {
- dev_err(ctx->dev, "enable dsp core failed ret: %d\n", ret);
+ if (skl->fw_loaded == false) {
+ skl->boot_complete = false;
+ ret = bxt_load_base_firmware(ctx);
+ if (ret < 0)
+ dev_err(ctx->dev, "reload fw failed: %d\n", ret);
return ret;
}
- /* enable interrupt */
- skl_ipc_int_enable(ctx);
- skl_ipc_op_int_enable(ctx);
+ /* If core 0 is being turned on, turn on core 1 as well */
+ if (core_id == SKL_DSP_CORE0_ID)
+ ret = skl_dsp_core_power_up(ctx, core_mask |
+ SKL_DSP_CORE_MASK(1));
+ else
+ ret = skl_dsp_core_power_up(ctx, core_mask);
+
+ if (ret < 0)
+ goto err;
+
+ if (core_id == SKL_DSP_CORE0_ID) {
+
+ /*
+ * Enable interrupt after SPA is set and before
+ * DSP is unstalled
+ */
+ skl_ipc_int_enable(ctx);
+ skl_ipc_op_int_enable(ctx);
+ skl->boot_complete = false;
+ }
- ret = wait_event_timeout(skl->boot_wait, skl->boot_complete,
- msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
- if (ret == 0) {
- dev_err(ctx->dev, "ipc: error DSP boot timeout\n");
- dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
- sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
- sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
- return -EIO;
+ ret = skl_dsp_start_core(ctx, core_mask);
+ if (ret < 0)
+ goto err;
+
+ if (core_id == SKL_DSP_CORE0_ID) {
+ ret = wait_event_timeout(skl->boot_wait,
+ skl->boot_complete,
+ msecs_to_jiffies(SKL_IPC_BOOT_MSECS));
+
+ /* If core 1 was turned on for booting core 0, turn it off */
+ skl_dsp_core_power_down(ctx, SKL_DSP_CORE_MASK(1));
+ if (ret == 0) {
+ dev_err(ctx->dev, "%s: DSP boot timeout\n", __func__);
+ dev_err(ctx->dev, "Error code=0x%x: FW status=0x%x\n",
+ sst_dsp_shim_read(ctx, BXT_ADSP_ERROR_CODE),
+ sst_dsp_shim_read(ctx, BXT_ADSP_FW_STATUS));
+ dev_err(ctx->dev, "Failed to set core0 to D0 state\n");
+ ret = -EIO;
+ goto err;
+ }
+ }
+
+ /* Tell FW if additional core in now On */
+
+ if (core_id != SKL_DSP_CORE0_ID) {
+ dx.core_mask = core_mask;
+ dx.dx_mask = core_mask;
+
+ ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
+ BXT_BASE_FW_MODULE_ID, &dx);
+ if (ret < 0) {
+ dev_err(ctx->dev, "IPC set_dx for core %d fail: %d\n",
+ core_id, ret);
+ goto err;
+ }
}
- skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING);
+ skl->cores.state[core_id] = SKL_DSP_RUNNING;
return 0;
+err:
+ if (core_id == SKL_DSP_CORE0_ID)
+ core_mask |= SKL_DSP_CORE_MASK(1);
+ skl_dsp_disable_core(ctx, core_mask);
+
+ return ret;
}
-static int bxt_set_dsp_D3(struct sst_dsp *ctx)
+static int bxt_set_dsp_D3(struct sst_dsp *ctx, unsigned int core_id)
{
+ int ret;
struct skl_ipc_dxstate_info dx;
struct skl_sst *skl = ctx->thread_context;
- int ret = 0;
+ unsigned int core_mask = SKL_DSP_CORE_MASK(core_id);
- if (!is_skl_dsp_running(ctx))
- return ret;
-
- dx.core_mask = SKL_DSP_CORE0_MASK;
+ dx.core_mask = core_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: %d\n", ret);
- return ret;
- }
+ dev_dbg(ctx->dev, "core mask=%x dx_mask=%x\n",
+ dx.core_mask, dx.dx_mask);
+
+ ret = skl_ipc_set_dx(&skl->ipc, BXT_INSTANCE_ID,
+ BXT_BASE_FW_MODULE_ID, &dx);
+ if (ret < 0)
+ dev_err(ctx->dev,
+ "Failed to set DSP to D3:core id = %d;Continue reset\n",
+ core_id);
- ret = skl_dsp_disable_core(ctx);
+ ret = skl_dsp_disable_core(ctx, core_mask);
if (ret < 0) {
- dev_err(ctx->dev, "disbale dsp core failed: %d\n", ret);
- ret = -EIO;
+ dev_err(ctx->dev, "Failed to disable core %d", ret);
+ return ret;
}
-
- skl_dsp_set_state_locked(ctx, SKL_DSP_RESET);
+ skl->cores.state[core_id] = SKL_DSP_RESET;
return 0;
}
@@ -274,6 +371,7 @@ int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
skl->dev = dev;
skl_dev.thread_context = skl;
+ INIT_LIST_HEAD(&skl->uuid_list);
skl->dsp = skl_dsp_ctx_init(dev, &skl_dev, irq);
if (!skl->dsp) {
@@ -296,6 +394,7 @@ int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
if (ret)
return ret;
+ skl->cores.count = 2;
skl->boot_complete = false;
init_waitqueue_head(&skl->boot_wait);
@@ -305,6 +404,8 @@ int bxt_sst_dsp_init(struct device *dev, void __iomem *mmio_base, int irq,
return ret;
}
+ skl_dsp_init_core_state(sst);
+
if (dsp)
*dsp = skl;
@@ -315,6 +416,7 @@ EXPORT_SYMBOL_GPL(bxt_sst_dsp_init);
void bxt_sst_dsp_cleanup(struct device *dev, struct skl_sst *ctx)
{
+ skl_freeup_uuid_list(ctx);
skl_ipc_free(&ctx->ipc);
ctx->dsp->cl_dev.ops.cl_cleanup_controller(ctx->dsp);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.