The patch
ASoC: Intel: Skylake: Add D0iX IPCs
has been applied to the asoc tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying to this mail.
Thanks, Mark
From 41b7523f192bdf3804e3e18a61f91244e4a0cb25 Mon Sep 17 00:00:00 2001
From: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com Date: Thu, 3 Nov 2016 17:07:15 +0530 Subject: [PATCH] ASoC: Intel: Skylake: Add D0iX IPCs
The audio DSP supports intermediate power states between D0 and D3 states. These states are D0i0 and D0i3 states.
Collectively we refer these two states as D0iX states.
To set or wake up from these states, driver also needs to send an IPC "Set D0iX IPC" before doing anything else.
Add support for this new IPC messages.
Signed-off-by: Pardha Saradhi K pardha.saradhi.kesapragada@intel.com Signed-off-by: Jayachandran B jayachandran.b@intel.com Signed-off-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/intel/skylake/skl-sst-ipc.c | 43 ++++++++++++++++++++++++++++++++++- sound/soc/intel/skylake/skl-sst-ipc.h | 10 ++++++++ 2 files changed, 52 insertions(+), 1 deletion(-)
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c index 797cf4053235..087b8d6e7186 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.c +++ b/sound/soc/intel/skylake/skl-sst-ipc.c @@ -172,6 +172,17 @@ << IPC_INITIAL_BLOCK_SHIFT) #define IPC_INITIAL_BLOCK_CLEAR ~(IPC_INITIAL_BLOCK_MASK \ << IPC_INITIAL_BLOCK_SHIFT) +/* Set D0ix IPC extension register */ +#define IPC_D0IX_WAKE_SHIFT 0 +#define IPC_D0IX_WAKE_MASK 0x1 +#define IPC_D0IX_WAKE(x) (((x) & IPC_D0IX_WAKE_MASK) \ + << IPC_D0IX_WAKE_SHIFT) + +#define IPC_D0IX_STREAMING_SHIFT 1 +#define IPC_D0IX_STREAMING_MASK 0x1 +#define IPC_D0IX_STREAMING(x) (((x) & IPC_D0IX_STREAMING_MASK) \ + << IPC_D0IX_STREAMING_SHIFT) +
enum skl_ipc_msg_target { IPC_FW_GEN_MSG = 0, @@ -258,7 +269,8 @@ enum skl_ipc_module_msg { IPC_MOD_LARGE_CONFIG_SET = 4, IPC_MOD_BIND = 5, IPC_MOD_UNBIND = 6, - IPC_MOD_SET_DX = 7 + IPC_MOD_SET_DX = 7, + IPC_MOD_SET_D0IX = 8 };
static void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data, @@ -931,3 +943,32 @@ int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc, return ret; } EXPORT_SYMBOL_GPL(skl_sst_ipc_load_library); + +int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, struct skl_ipc_d0ix_msg *msg) +{ + struct skl_ipc_header header = {0}; + u64 *ipc_header = (u64 *)(&header); + int ret; + + header.primary = IPC_MSG_TARGET(IPC_MOD_MSG); + header.primary |= IPC_MSG_DIR(IPC_MSG_REQUEST); + header.primary |= IPC_GLB_TYPE(IPC_MOD_SET_D0IX); + header.primary |= IPC_MOD_INSTANCE_ID(msg->instance_id); + header.primary |= IPC_MOD_ID(msg->module_id); + + header.extension = IPC_D0IX_WAKE(msg->wake); + header.extension |= IPC_D0IX_STREAMING(msg->streaming); + + dev_dbg(ipc->dev, "In %s primary=%x ext=%x\n", __func__, + header.primary, header.extension); + + /* + * Use the nopm IPC here as we dont want it checking for D0iX + */ + ret = sst_ipc_tx_message_nopm(ipc, *ipc_header, NULL, 0, NULL, 0); + if (ret < 0) + dev_err(ipc->dev, "ipc: set d0ix failed, err %d\n", ret); + + return ret; +} +EXPORT_SYMBOL_GPL(skl_ipc_set_d0ix); diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h index 0334ed4af031..1ae265d8ee08 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.h +++ b/sound/soc/intel/skylake/skl-sst-ipc.h @@ -111,6 +111,13 @@ struct skl_ipc_large_config_msg { u32 param_data_size; };
+struct skl_ipc_d0ix_msg { + u32 module_id; + u32 instance_id; + u8 streaming; + u8 wake; +}; + #define SKL_IPC_BOOT_MSECS 3000
#define SKL_IPC_D3_MASK 0 @@ -155,6 +162,9 @@ int skl_ipc_get_large_config(struct sst_generic_ipc *ipc, int skl_sst_ipc_load_library(struct sst_generic_ipc *ipc, u8 dma_id, u8 table_id);
+int skl_ipc_set_d0ix(struct sst_generic_ipc *ipc, + struct skl_ipc_d0ix_msg *msg); + void skl_ipc_int_enable(struct sst_dsp *dsp); void skl_ipc_op_int_enable(struct sst_dsp *ctx); void skl_ipc_op_int_disable(struct sst_dsp *ctx);