]> git.karo-electronics.de Git - mv-sheeva.git/blobdiff - drivers/staging/intel_sst/intel_sst_ipc.c
Merge tag 'v2.6.37' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[mv-sheeva.git] / drivers / staging / intel_sst / intel_sst_ipc.c
diff --git a/drivers/staging/intel_sst/intel_sst_ipc.c b/drivers/staging/intel_sst/intel_sst_ipc.c
new file mode 100644 (file)
index 0000000..39c67fa
--- /dev/null
@@ -0,0 +1,656 @@
+/*
+ *  intel_sst_ipc.c - Intel SST Driver for audio engine
+ *
+ *  Copyright (C) 2008-10 Intel Corporation
+ *  Authors:   Vinod Koul <vinod.koul@intel.com>
+ *             Harsha Priya <priya.harsha@intel.com>
+ *             Dharageswari R <dharageswari.r@intel.com>
+ *             KP Jeeja <jeeja.kp@intel.com>
+ *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; version 2 of the License.
+ *
+ *  This program is distributed in the hope that it will be useful, but
+ *  WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ *
+ *  This file defines all ipc functions
+ */
+
+#include <linux/pci.h>
+#include <linux/firmware.h>
+#include <linux/sched.h>
+#include "intel_sst.h"
+#include "intel_sst_ioctl.h"
+#include "intel_sst_fw_ipc.h"
+#include "intel_sst_common.h"
+
+/*
+ * sst_send_sound_card_type - send sound card type
+ *
+ * this function sends the sound card type to sst dsp engine
+ */
+static void sst_send_sound_card_type(void)
+{
+       struct ipc_post *msg = NULL;
+
+       if (sst_create_short_msg(&msg))
+               return;
+
+       sst_fill_header(&msg->header, IPC_IA_SET_PMIC_TYPE, 0, 0);
+       msg->header.part.data = sst_drv_ctx->pmic_vendor;
+       spin_lock(&sst_drv_ctx->list_spin_lock);
+       list_add_tail(&msg->node, &sst_drv_ctx->ipc_dispatch_list);
+       spin_unlock(&sst_drv_ctx->list_spin_lock);
+       sst_post_message(&sst_drv_ctx->ipc_post_msg_wq);
+       return;
+}
+
+/**
+* sst_post_message - Posts message to SST
+*
+* @work: Pointer to work structure
+*
+* This function is called by any component in driver which
+* wants to send an IPC message. This will post message only if
+* busy bit is free
+*/
+void sst_post_message(struct work_struct *work)
+{
+       struct ipc_post *msg;
+       union ipc_header header;
+       union  interrupt_reg imr;
+       int retval = 0;
+       imr.full = 0;
+
+       /*To check if LPE is in stalled state.*/
+       retval = sst_stalled();
+       if (retval < 0) {
+               pr_err("sst: in stalled state\n");
+               return;
+       }
+       pr_debug("sst: post message called\n");
+       spin_lock(&sst_drv_ctx->list_spin_lock);
+
+       /* check list */
+       if (list_empty(&sst_drv_ctx->ipc_dispatch_list)) {
+               /* list is empty, mask imr */
+               pr_debug("sst: Empty msg queue... masking\n");
+               imr.full = readl(sst_drv_ctx->shim + SST_IMRX);
+               imr.part.done_interrupt = 1;
+               /* dummy register for shim workaround */
+               sst_shim_write(sst_drv_ctx->shim, SST_IMRX, imr.full);
+               spin_unlock(&sst_drv_ctx->list_spin_lock);
+               return;
+       }
+
+       /* check busy bit */
+       header.full = sst_shim_read(sst_drv_ctx->shim, SST_IPCX);
+       if (header.part.busy) {
+               /* busy, unmask */
+               pr_debug("sst: Busy not free... unmasking\n");
+               imr.full = readl(sst_drv_ctx->shim + SST_IMRX);
+               imr.part.done_interrupt = 0;
+               /* dummy register for shim workaround */
+               sst_shim_write(sst_drv_ctx->shim, SST_IMRX, imr.full);
+               spin_unlock(&sst_drv_ctx->list_spin_lock);
+               return;
+       }
+       /* copy msg from list */
+       msg = list_entry(sst_drv_ctx->ipc_dispatch_list.next,
+                       struct ipc_post, node);
+       list_del(&msg->node);
+       pr_debug("sst: Post message: header = %x\n", msg->header.full);
+       pr_debug("sst: size: = %x\n", msg->header.part.data);
+       if (msg->header.part.large)
+               memcpy_toio(sst_drv_ctx->mailbox + SST_MAILBOX_SEND,
+                       msg->mailbox_data, msg->header.part.data);
+       /* dummy register for shim workaround */
+
+       sst_shim_write(sst_drv_ctx->shim, SST_IPCX, msg->header.full);
+       spin_unlock(&sst_drv_ctx->list_spin_lock);
+
+       kfree(msg->mailbox_data);
+       kfree(msg);
+       return;
+}
+
+/*
+ * sst_clear_interrupt - clear the SST FW interrupt
+ *
+ * This function clears the interrupt register after the interrupt
+ * bottom half is complete allowing next interrupt to arrive
+ */
+void sst_clear_interrupt(void)
+{
+       union interrupt_reg isr;
+       union interrupt_reg imr;
+       union ipc_header clear_ipc;
+
+       imr.full = sst_shim_read(sst_drv_ctx->shim, SST_IMRX);
+       isr.full = sst_shim_read(sst_drv_ctx->shim, SST_ISRX);
+       /*  write 1 to clear  */;
+       isr.part.busy_interrupt = 1;
+       sst_shim_write(sst_drv_ctx->shim, SST_ISRX, isr.full);
+       /* Set IA done bit */
+       clear_ipc.full = sst_shim_read(sst_drv_ctx->shim, SST_IPCD);
+       clear_ipc.part.busy = 0;
+       clear_ipc.part.done = 1;
+       clear_ipc.part.data = IPC_ACK_SUCCESS;
+       sst_shim_write(sst_drv_ctx->shim, SST_IPCD, clear_ipc.full);
+       /* un mask busy interrupt */
+       imr.part.busy_interrupt = 0;
+       sst_shim_write(sst_drv_ctx->shim, SST_IMRX, imr.full);
+}
+
+/*
+ * process_fw_init - process the FW init msg
+ *
+ * @msg: IPC message from FW
+ *
+ * This function processes the FW init msg from FW
+ * marks FW state and prints debug info of loaded FW
+ */
+int process_fw_init(struct sst_ipc_msg_wq *msg)
+{
+       struct ipc_header_fw_init *init =
+               (struct ipc_header_fw_init *)msg->mailbox;
+       int retval = 0;
+
+       pr_debug("sst: *** FW Init msg came***\n");
+       if (init->result) {
+               mutex_lock(&sst_drv_ctx->sst_lock);
+               sst_drv_ctx->sst_state = SST_ERROR;
+               mutex_unlock(&sst_drv_ctx->sst_lock);
+               pr_debug("sst: FW Init failed, Error %x\n", init->result);
+               pr_err("sst: FW Init failed, Error %x\n", init->result);
+               retval = -init->result;
+               return retval;
+       }
+       if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID)
+               sst_send_sound_card_type();
+       mutex_lock(&sst_drv_ctx->sst_lock);
+       sst_drv_ctx->sst_state = SST_FW_RUNNING;
+       mutex_unlock(&sst_drv_ctx->sst_lock);
+       pr_debug("sst: FW Version %x.%x\n",
+                       init->fw_version.major, init->fw_version.minor);
+       pr_debug("sst: Build No %x Type %x\n",
+                       init->fw_version.build, init->fw_version.type);
+       pr_debug("sst:  Build date %s Time %s\n",
+                       init->build_info.date, init->build_info.time);
+       sst_wake_up_alloc_block(sst_drv_ctx, FW_DWNL_ID, retval, NULL);
+       return retval;
+}
+/**
+* sst_process_message - Processes message from SST
+*
+* @work:       Pointer to work structure
+*
+* This function is scheduled by ISR
+* It take a msg from process_queue and does action based on msg
+*/
+void sst_process_message(struct work_struct *work)
+{
+       struct sst_ipc_msg_wq *msg =
+                       container_of(work, struct sst_ipc_msg_wq, wq);
+       int str_id = msg->header.part.str_id;
+
+       pr_debug("sst: IPC process for %x\n", msg->header.full);
+
+       /* based on msg in list call respective handler */
+       switch (msg->header.part.msg_id) {
+       case IPC_SST_BUF_UNDER_RUN:
+       case IPC_SST_BUF_OVER_RUN:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst:  stream id %d invalid\n", str_id);
+                       break;
+               }
+               pr_err("sst: Buffer under/overrun for%d\n",
+                               msg->header.part.str_id);
+               pr_err("sst: Got Underrun & not to send data...ignore\n");
+               break;
+
+       case IPC_SST_GET_PLAY_FRAMES:
+               if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) {
+                       struct stream_info *stream ;
+
+                       if (sst_validate_strid(str_id)) {
+                               pr_err("sst: strid %d invalid\n", str_id);
+                               break;
+                       }
+                       /* call sst_play_frame */
+                       stream = &sst_drv_ctx->streams[str_id];
+                       pr_debug("sst: sst_play_frames for %d\n",
+                                       msg->header.part.str_id);
+                       mutex_lock(&sst_drv_ctx->streams[str_id].lock);
+                       sst_play_frame(msg->header.part.str_id);
+                       mutex_unlock(&sst_drv_ctx->streams[str_id].lock);
+                       break;
+               } else
+                       pr_err("sst: sst_play_frames for Penwell!!\n");
+
+       case IPC_SST_GET_CAPT_FRAMES:
+               if (sst_drv_ctx->pci_id == SST_MRST_PCI_ID) {
+                       struct stream_info *stream;
+                       /* call sst_capture_frame */
+                       if (sst_validate_strid(str_id)) {
+                               pr_err("sst: str id %d invalid\n", str_id);
+                               break;
+                       }
+                       stream = &sst_drv_ctx->streams[str_id];
+                       pr_debug("sst: sst_capture_frames for %d\n",
+                                       msg->header.part.str_id);
+                       mutex_lock(&stream->lock);
+                       if (stream->mmapped == false &&
+                                       stream->src == SST_DRV) {
+                               pr_debug("sst: waking up block for copy.\n");
+                               stream->data_blk.ret_code = 0;
+                               stream->data_blk.condition = true;
+                               stream->data_blk.on = false;
+                               wake_up(&sst_drv_ctx->wait_queue);
+                       } else
+                               sst_capture_frame(msg->header.part.str_id);
+                       mutex_unlock(&stream->lock);
+               } else
+                       pr_err("sst: sst_play_frames for Penwell!!\n");
+               break;
+
+       case IPC_IA_PRINT_STRING:
+               pr_debug("sst: been asked to print something by fw\n");
+               /* TBD */
+               break;
+
+       case IPC_IA_FW_INIT_CMPLT: {
+               /* send next data to FW */
+               process_fw_init(msg);
+               break;
+       }
+
+       case IPC_SST_STREAM_PROCESS_FATAL_ERR:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: stream id %d invalid\n", str_id);
+                       break;
+               }
+               pr_err("sst: codec fatal error %x stream %d...\n",
+                               msg->header.full, msg->header.part.str_id);
+               pr_err("sst: Dropping the stream\n");
+               sst_drop_stream(msg->header.part.str_id);
+               break;
+       case IPC_IA_LPE_GETTING_STALLED:
+               sst_drv_ctx->lpe_stalled = 1;
+               break;
+       case IPC_IA_LPE_UNSTALLED:
+               sst_drv_ctx->lpe_stalled = 0;
+               break;
+       default:
+               /* Illegal case */
+               pr_err("sst: Unhandled msg %x header %x\n",
+               msg->header.part.msg_id, msg->header.full);
+       }
+       sst_clear_interrupt();
+       return;
+}
+
+/**
+* sst_process_reply - Processes reply message from SST
+*
+* @work:       Pointer to work structure
+*
+* This function is scheduled by ISR
+* It take a reply msg from response_queue and
+* does action based on msg
+*/
+void sst_process_reply(struct work_struct *work)
+{
+       struct sst_ipc_msg_wq *msg =
+                       container_of(work, struct sst_ipc_msg_wq, wq);
+
+       int str_id = msg->header.part.str_id;
+       struct stream_info *str_info;
+
+       switch (msg->header.part.msg_id) {
+       case IPC_IA_TARGET_DEV_SELECT:
+               if (!msg->header.part.data) {
+                       sst_drv_ctx->tgt_dev_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                       msg->header.part.msg_id, msg->header.part.data);
+                       sst_drv_ctx->tgt_dev_blk.ret_code =
+                                       -msg->header.part.data;
+               }
+
+               if (sst_drv_ctx->tgt_dev_blk.on == true) {
+                               sst_drv_ctx->tgt_dev_blk.condition = true;
+                               wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_GET_FW_INFO: {
+               struct snd_sst_fw_info *fw_info =
+                       (struct snd_sst_fw_info *)msg->mailbox;
+               if (msg->header.part.large) {
+                       int major = fw_info->fw_version.major;
+                       int minor = fw_info->fw_version.minor;
+                       int build = fw_info->fw_version.build;
+                       pr_debug("sst: Msg succedded %x\n",
+                                      msg->header.part.msg_id);
+                       pr_debug("INFO: ***FW*** = %02d.%02d.%02d\n",
+                                       major, minor, build);
+                       memcpy_fromio(sst_drv_ctx->fw_info_blk.data,
+                               ((struct snd_sst_fw_info *)(msg->mailbox)),
+                               sizeof(struct snd_sst_fw_info));
+                       sst_drv_ctx->fw_info_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                       msg->header.part.msg_id, msg->header.part.data);
+                       sst_drv_ctx->fw_info_blk.ret_code =
+                                       -msg->header.part.data;
+               }
+               if (sst_drv_ctx->fw_info_blk.on == true) {
+                       pr_debug("sst: Memcopy succedded\n");
+                       sst_drv_ctx->fw_info_blk.on = false;
+                       sst_drv_ctx->fw_info_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       }
+       case IPC_IA_SET_STREAM_MUTE:
+               if (!msg->header.part.data) {
+                       pr_debug("sst: Msg succedded %x\n",
+                                      msg->header.part.msg_id);
+                       sst_drv_ctx->mute_info_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                       msg->header.part.msg_id, msg->header.part.data);
+                       sst_drv_ctx->mute_info_blk.ret_code =
+                                       -msg->header.part.data;
+
+               }
+               if (sst_drv_ctx->mute_info_blk.on == true) {
+                       sst_drv_ctx->mute_info_blk.on = false;
+                       sst_drv_ctx->mute_info_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_SET_STREAM_VOL:
+               if (!msg->header.part.data) {
+                       pr_debug("sst: Msg succedded %x\n",
+                                      msg->header.part.msg_id);
+                       sst_drv_ctx->vol_info_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                                       msg->header.part.msg_id,
+                       msg->header.part.data);
+                       sst_drv_ctx->vol_info_blk.ret_code =
+                                       -msg->header.part.data;
+
+               }
+
+               if (sst_drv_ctx->vol_info_blk.on == true) {
+                       sst_drv_ctx->vol_info_blk.on = false;
+                       sst_drv_ctx->vol_info_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_GET_STREAM_VOL:
+               if (msg->header.part.large) {
+                       pr_debug("sst: Large Msg Received Successfully\n");
+                       pr_debug("sst: Msg succedded %x\n",
+                                      msg->header.part.msg_id);
+                       memcpy_fromio(sst_drv_ctx->vol_info_blk.data,
+                               (void *) msg->mailbox,
+                               sizeof(struct snd_sst_vol));
+                       sst_drv_ctx->vol_info_blk.ret_code = 0;
+               } else {
+                       pr_err("sst: Msg %x reply error %x\n",
+                       msg->header.part.msg_id, msg->header.part.data);
+                       sst_drv_ctx->vol_info_blk.ret_code =
+                                       -msg->header.part.data;
+               }
+               if (sst_drv_ctx->vol_info_blk.on == true) {
+                       sst_drv_ctx->vol_info_blk.on = false;
+                       sst_drv_ctx->vol_info_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+
+       case IPC_IA_GET_STREAM_PARAMS:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: stream id %d invalid\n", str_id);
+                       break;
+               }
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (msg->header.part.large) {
+                       pr_debug("sst: Get stream large success\n");
+                       memcpy_fromio(str_info->ctrl_blk.data,
+                               ((void *)(msg->mailbox)),
+                               sizeof(struct snd_sst_fw_get_stream_params));
+                       str_info->ctrl_blk.ret_code = 0;
+               } else {
+                       pr_err("sst: Msg %x reply error %x\n",
+                               msg->header.part.msg_id, msg->header.part.data);
+                       str_info->ctrl_blk.ret_code = -msg->header.part.data;
+               }
+               if (str_info->ctrl_blk.on == true) {
+                       str_info->ctrl_blk.on = false;
+                       str_info->ctrl_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_DECODE_FRAMES:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: stream id %d invalid\n", str_id);
+                       break;
+               }
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (msg->header.part.large) {
+                       pr_debug("sst: Msg succedded %x\n",
+                                      msg->header.part.msg_id);
+                       memcpy_fromio(str_info->data_blk.data,
+                                       ((void *)(msg->mailbox)),
+                                       sizeof(struct snd_sst_decode_info));
+                       str_info->data_blk.ret_code = 0;
+               } else {
+                       pr_err("sst: Msg %x reply error %x\n",
+                               msg->header.part.msg_id, msg->header.part.data);
+                       str_info->data_blk.ret_code = -msg->header.part.data;
+               }
+               if (str_info->data_blk.on == true) {
+                       str_info->data_blk.on = false;
+                       str_info->data_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_DRAIN_STREAM:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: stream id %d invalid\n", str_id);
+                       break;
+               }
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (!msg->header.part.data) {
+                       pr_debug("sst: Msg succedded %x\n",
+                                       msg->header.part.msg_id);
+                       str_info->ctrl_blk.ret_code = 0;
+
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                               msg->header.part.msg_id, msg->header.part.data);
+                       str_info->ctrl_blk.ret_code = -msg->header.part.data;
+
+               }
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (str_info->data_blk.on == true) {
+                       str_info->data_blk.on = false;
+                       str_info->data_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+
+       case IPC_IA_DROP_STREAM:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: str id %d invalid\n", str_id);
+                       break;
+               }
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (msg->header.part.large) {
+                       struct snd_sst_drop_response *drop_resp =
+                               (struct snd_sst_drop_response *)msg->mailbox;
+
+                       pr_debug("sst: Drop ret bytes %x\n", drop_resp->bytes);
+
+                       str_info->curr_bytes = drop_resp->bytes;
+                       str_info->ctrl_blk.ret_code =  0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                               msg->header.part.msg_id, msg->header.part.data);
+                       str_info->ctrl_blk.ret_code = -msg->header.part.data;
+               }
+               if (str_info->ctrl_blk.on == true) {
+                       str_info->ctrl_blk.on = false;
+                       str_info->ctrl_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_ENABLE_RX_TIME_SLOT:
+               if (!msg->header.part.data) {
+                       pr_debug("sst: RX_TIME_SLOT success\n");
+                       sst_drv_ctx->hs_info_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                               msg->header.part.msg_id,
+                               msg->header.part.data);
+                       sst_drv_ctx->hs_info_blk.ret_code =
+                               -msg->header.part.data;
+               }
+               if (sst_drv_ctx->hs_info_blk.on == true) {
+                       sst_drv_ctx->hs_info_blk.on = false;
+                       sst_drv_ctx->hs_info_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+       case IPC_IA_PAUSE_STREAM:
+       case IPC_IA_RESUME_STREAM:
+       case IPC_IA_SET_STREAM_PARAMS:
+               str_info = &sst_drv_ctx->streams[str_id];
+               if (!msg->header.part.data) {
+                       pr_debug("sst: Msg succedded %x\n",
+                                       msg->header.part.msg_id);
+                       str_info->ctrl_blk.ret_code = 0;
+               } else {
+                       pr_err("sst:  Msg %x reply error %x\n",
+                                       msg->header.part.msg_id,
+                                       msg->header.part.data);
+                       str_info->ctrl_blk.ret_code = -msg->header.part.data;
+               }
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst:  stream id %d invalid\n", str_id);
+                       break;
+               }
+
+               if (str_info->ctrl_blk.on == true) {
+                       str_info->ctrl_blk.on = false;
+                       str_info->ctrl_blk.condition = true;
+                       wake_up(&sst_drv_ctx->wait_queue);
+               }
+               break;
+
+       case IPC_IA_FREE_STREAM:
+               if (!msg->header.part.data) {
+                       pr_debug("sst: Stream %d freed\n", str_id);
+               } else {
+                       pr_err("sst: Free for %d ret error %x\n",
+                                      str_id, msg->header.part.data);
+               }
+               break;
+       case IPC_IA_ALLOC_STREAM: {
+               /* map to stream, call play */
+               struct snd_sst_alloc_response *resp =
+                               (struct snd_sst_alloc_response *)msg->mailbox;
+               if (resp->str_type.result)
+                       pr_err("sst: error alloc stream = %x\n",
+                                      resp->str_type.result);
+               sst_alloc_stream_response(str_id, resp);
+               break;
+       }
+
+       case IPC_IA_PLAY_FRAMES:
+       case IPC_IA_CAPT_FRAMES:
+               if (sst_validate_strid(str_id)) {
+                       pr_err("sst: stream id %d invalid\n" , str_id);
+                       break;
+               }
+               pr_debug("sst: Ack for play/capt frames recived\n");
+               break;
+
+       case IPC_IA_PREP_LIB_DNLD: {
+               struct snd_sst_str_type *str_type =
+                       (struct snd_sst_str_type *)msg->mailbox;
+               pr_debug("sst: Prep Lib download %x\n",
+                               msg->header.part.msg_id);
+               if (str_type->result)
+                       pr_err("sst: Prep lib download %x\n", str_type->result);
+               else
+                       pr_debug("sst: Can download codec now...\n");
+               sst_wake_up_alloc_block(sst_drv_ctx, str_id,
+                               str_type->result, NULL);
+               break;
+       }
+
+       case IPC_IA_LIB_DNLD_CMPLT: {
+               struct snd_sst_lib_download_info *resp =
+                       (struct snd_sst_lib_download_info *)msg->mailbox;
+               int retval = resp->result;
+
+               pr_debug("sst: Lib downloaded %x\n", msg->header.part.msg_id);
+               if (resp->result) {
+                       pr_err("sst: err in lib dload %x\n", resp->result);
+               } else {
+                       pr_debug("sst: Codec download complete...\n");
+                       pr_debug("sst: codec Type %d Ver %d Built %s: %s\n",
+                               resp->dload_lib.lib_info.lib_type,
+                               resp->dload_lib.lib_info.lib_version,
+                               resp->dload_lib.lib_info.b_date,
+                               resp->dload_lib.lib_info.b_time);
+               }
+               sst_wake_up_alloc_block(sst_drv_ctx, str_id,
+                                               retval, NULL);
+               break;
+       }
+
+       case IPC_IA_GET_FW_VERSION: {
+               struct ipc_header_fw_init *version =
+                               (struct ipc_header_fw_init *)msg->mailbox;
+               int major = version->fw_version.major;
+               int minor = version->fw_version.minor;
+               int build = version->fw_version.build;
+               dev_info(&sst_drv_ctx->pci->dev,
+                       "INFO: ***LOADED SST FW VERSION*** = %02d.%02d.%02d\n",
+               major, minor, build);
+               break;
+       }
+       case IPC_IA_GET_FW_BUILD_INF: {
+               struct sst_fw_build_info *build =
+                       (struct sst_fw_build_info *)msg->mailbox;
+               pr_debug("sst: Build date:%sTime:%s", build->date, build->time);
+               break;
+       }
+       case IPC_IA_SET_PMIC_TYPE:
+               break;
+       case IPC_IA_START_STREAM:
+               pr_debug("sst: reply for START STREAM %x\n", msg->header.full);
+               break;
+       default:
+               /* Illegal case */
+               pr_err("sst: process reply:default = %x\n", msg->header.full);
+       }
+       sst_clear_interrupt();
+       return;
+}