intel_sst: parameter tuning ioctl
This patch adds new IOCTL for application interface. Using parameter tuning IOCTL, application can fine tune the audio firmware for it's requirement. Signed-off-by: Vinod Koul <vinod.koul@intel.com> Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -961,6 +961,34 @@ free_mem:
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return retval;
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}
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int sst_ioctl_tuning_params(unsigned long arg)
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{
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struct snd_sst_tuning_params params;
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struct ipc_post *msg;
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if (copy_from_user(¶ms, (void __user *)arg, sizeof(params)))
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return -EFAULT;
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if (params.size > SST_MAILBOX_SIZE)
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return -ENOMEM;
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pr_debug("Parameter %d, Stream %d, Size %d\n", params.type,
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params.str_id, params.size);
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if (sst_create_large_msg(&msg))
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return -ENOMEM;
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sst_fill_header(&msg->header, IPC_IA_TUNING_PARAMS, 1, params.str_id);
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msg->header.part.data = sizeof(u32) + sizeof(params) + params.size;
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memcpy(msg->mailbox_data, &msg->header.full, sizeof(u32));
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memcpy(msg->mailbox_data + sizeof(u32), ¶ms, sizeof(params));
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if (copy_from_user(msg->mailbox_data + sizeof(params),
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(void __user *)(unsigned long)params.addr,
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params.size)) {
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kfree(msg->mailbox_data);
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kfree(msg);
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return -EFAULT;
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}
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return sst_send_algo_ipc(&msg);
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}
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/**
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* intel_sst_ioctl - receives the device ioctl's
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* @file_ptr:pointer to file
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@ -1412,6 +1440,15 @@ free_iobufs:
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}
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retval = intel_sst_ioctl_dsp(cmd, arg);
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break;
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case _IOC_NR(SNDRV_SST_TUNING_PARAMS):
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if (minor != AM_MODULE) {
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retval = -EBADRQC;
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break;
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}
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retval = sst_ioctl_tuning_params(arg);
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break;
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default:
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retval = -EINVAL;
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}
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@ -28,8 +28,8 @@
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* Common private declarations for SST
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*/
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#define SST_DRIVER_VERSION "1.2.14"
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#define SST_VERSION_NUM 0x1214
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#define SST_DRIVER_VERSION "1.2.15"
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#define SST_VERSION_NUM 0x1215
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/* driver names */
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#define SST_DRV_NAME "intel_sst_driver"
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@ -71,6 +71,7 @@
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#define IPC_IA_DECODE_FRAMES 0x18
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#define IPC_IA_ALG_PARAMS 0x1A
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#define IPC_IA_TUNING_PARAMS 0x1B
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/* I2L Stream config/control msgs */
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#define IPC_IA_ALLOC_STREAM 0x20 /* Allocate a stream ID */
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@ -400,6 +400,13 @@ struct snd_sst_dbufs {
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struct snd_sst_buffs *obufs;
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};
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struct snd_sst_tuning_params {
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__u8 type;
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__u8 str_id;
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__u8 size;
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__u8 rsvd;
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__aligned_u64 addr;
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} __attribute__ ((packed));
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/*IOCTL defined here */
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/*SST MMF IOCTLS only */
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#define SNDRV_SST_STREAM_SET_PARAMS _IOR('L', 0x00, \
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@ -428,5 +435,6 @@ struct snd_sst_dbufs {
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/*DSP Ioctls on /dev/intel_sst_ctrl only*/
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#define SNDRV_SST_SET_ALGO _IOW('L', 0x30, struct snd_ppp_params *)
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#define SNDRV_SST_GET_ALGO _IOWR('L', 0x31, struct snd_ppp_params *)
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#define SNDRV_SST_TUNING_PARAMS _IOW('L', 0x32, struct snd_sst_tuning_params *)
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#endif /* __INTEL_SST_IOCTL_H__ */
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@ -416,6 +416,24 @@ void sst_process_reply(struct work_struct *work)
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}
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break;
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}
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case IPC_IA_TUNING_PARAMS: {
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pr_debug("sst:IPC_TUNING_PARAMS resp: %x\n", msg->header.full);
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pr_debug("data value %x\n", msg->header.part.data);
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if (msg->header.part.large) {
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pr_debug("alg set failed\n");
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sst_drv_ctx->ppp_params_blk.ret_code =
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-msg->header.part.data;
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} else {
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pr_debug("alg set success\n");
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sst_drv_ctx->ppp_params_blk.ret_code = 0;
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}
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if (sst_drv_ctx->ppp_params_blk.on == true) {
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sst_drv_ctx->ppp_params_blk.condition = true;
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wake_up(&sst_drv_ctx->wait_queue);
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}
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}
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case IPC_IA_GET_FW_INFO: {
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struct snd_sst_fw_info *fw_info =
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(struct snd_sst_fw_info *)msg->mailbox;
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