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Diffstat (limited to 'sound/soc/intel/sst/sst_pvt.c')
-rw-r--r--sound/soc/intel/sst/sst_pvt.c449
1 files changed, 0 insertions, 449 deletions
diff --git a/sound/soc/intel/sst/sst_pvt.c b/sound/soc/intel/sst/sst_pvt.c
deleted file mode 100644
index 4b7720864492..000000000000
--- a/sound/soc/intel/sst/sst_pvt.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * sst_pvt.c - Intel SST Driver for audio engine
- *
- * Copyright (C) 2008-14 Intel Corp
- * 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.
- *
- * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
- */
-#include <linux/kobject.h>
-#include <linux/pci.h>
-#include <linux/fs.h>
-#include <linux/firmware.h>
-#include <linux/pm_runtime.h>
-#include <linux/sched.h>
-#include <linux/delay.h>
-#include <sound/asound.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/soc.h>
-#include <sound/compress_driver.h>
-#include <asm/platform_sst_audio.h>
-#include "../sst-mfld-platform.h"
-#include "sst.h"
-#include "../sst-dsp.h"
-
-int sst_shim_write(void __iomem *addr, int offset, int value)
-{
- writel(value, addr + offset);
- return 0;
-}
-
-u32 sst_shim_read(void __iomem *addr, int offset)
-{
- return readl(addr + offset);
-}
-
-u64 sst_reg_read64(void __iomem *addr, int offset)
-{
- u64 val = 0;
-
- memcpy_fromio(&val, addr + offset, sizeof(val));
-
- return val;
-}
-
-int sst_shim_write64(void __iomem *addr, int offset, u64 value)
-{
- memcpy_toio(addr + offset, &value, sizeof(value));
- return 0;
-}
-
-u64 sst_shim_read64(void __iomem *addr, int offset)
-{
- u64 val = 0;
-
- memcpy_fromio(&val, addr + offset, sizeof(val));
- return val;
-}
-
-void sst_set_fw_state_locked(
- struct intel_sst_drv *sst_drv_ctx, int sst_state)
-{
- mutex_lock(&sst_drv_ctx->sst_lock);
- sst_drv_ctx->sst_state = sst_state;
- mutex_unlock(&sst_drv_ctx->sst_lock);
-}
-
-/*
- * sst_wait_interruptible - wait on event
- *
- * @sst_drv_ctx: Driver context
- * @block: Driver block to wait on
- *
- * This function waits without a timeout (and is interruptable) for a
- * given block event
- */
-int sst_wait_interruptible(struct intel_sst_drv *sst_drv_ctx,
- struct sst_block *block)
-{
- int retval = 0;
-
- if (!wait_event_interruptible(sst_drv_ctx->wait_queue,
- block->condition)) {
- /* event wake */
- if (block->ret_code < 0) {
- dev_err(sst_drv_ctx->dev,
- "stream failed %d\n", block->ret_code);
- retval = -EBUSY;
- } else {
- dev_dbg(sst_drv_ctx->dev, "event up\n");
- retval = 0;
- }
- } else {
- dev_err(sst_drv_ctx->dev, "signal interrupted\n");
- retval = -EINTR;
- }
- return retval;
-
-}
-
-unsigned long long read_shim_data(struct intel_sst_drv *sst, int addr)
-{
- unsigned long long val = 0;
-
- switch (sst->dev_id) {
- case SST_MRFLD_PCI_ID:
- case SST_BYT_ACPI_ID:
- val = sst_shim_read64(sst->shim, addr);
- break;
- }
- return val;
-}
-
-void write_shim_data(struct intel_sst_drv *sst, int addr,
- unsigned long long data)
-{
- switch (sst->dev_id) {
- case SST_MRFLD_PCI_ID:
- case SST_BYT_ACPI_ID:
- sst_shim_write64(sst->shim, addr, (u64) data);
- break;
- }
-}
-
-/*
- * sst_wait_timeout - wait on event for timeout
- *
- * @sst_drv_ctx: Driver context
- * @block: Driver block to wait on
- *
- * This function waits with a timeout value (and is not interruptible) on a
- * given block event
- */
-int sst_wait_timeout(struct intel_sst_drv *sst_drv_ctx, struct sst_block *block)
-{
- int retval = 0;
-
- /*
- * NOTE:
- * Observed that FW processes the alloc msg and replies even
- * before the alloc thread has finished execution
- */
- dev_dbg(sst_drv_ctx->dev,
- "waiting for condition %x ipc %d drv_id %d\n",
- block->condition, block->msg_id, block->drv_id);
- if (wait_event_timeout(sst_drv_ctx->wait_queue,
- block->condition,
- msecs_to_jiffies(SST_BLOCK_TIMEOUT))) {
- /* event wake */
- dev_dbg(sst_drv_ctx->dev, "Event wake %x\n",
- block->condition);
- dev_dbg(sst_drv_ctx->dev, "message ret: %d\n",
- block->ret_code);
- retval = -block->ret_code;
- } else {
- block->on = false;
- dev_err(sst_drv_ctx->dev,
- "Wait timed-out condition:%#x, msg_id:%#x fw_state %#x\n",
- block->condition, block->msg_id, sst_drv_ctx->sst_state);
- sst_drv_ctx->sst_state = SST_RESET;
-
- retval = -EBUSY;
- }
- return retval;
-}
-
-/*
- * sst_create_ipc_msg - create a IPC message
- *
- * @arg: ipc message
- * @large: large or short message
- *
- * this function allocates structures to send a large or short
- * message to the firmware
- */
-int sst_create_ipc_msg(struct ipc_post **arg, bool large)
-{
- struct ipc_post *msg;
-
- msg = kzalloc(sizeof(struct ipc_post), GFP_ATOMIC);
- if (!msg)
- return -ENOMEM;
- if (large) {
- msg->mailbox_data = kzalloc(SST_MAILBOX_SIZE, GFP_ATOMIC);
- if (!msg->mailbox_data) {
- kfree(msg);
- return -ENOMEM;
- }
- } else {
- msg->mailbox_data = NULL;
- }
- msg->is_large = large;
- *arg = msg;
- return 0;
-}
-
-/*
- * sst_create_block_and_ipc_msg - Creates IPC message and sst block
- * @arg: passed to sst_create_ipc_message API
- * @large: large or short message
- * @sst_drv_ctx: sst driver context
- * @block: return block allocated
- * @msg_id: IPC
- * @drv_id: stream id or private id
- */
-int sst_create_block_and_ipc_msg(struct ipc_post **arg, bool large,
- struct intel_sst_drv *sst_drv_ctx, struct sst_block **block,
- u32 msg_id, u32 drv_id)
-{
- int retval = 0;
-
- retval = sst_create_ipc_msg(arg, large);
- if (retval)
- return retval;
- *block = sst_create_block(sst_drv_ctx, msg_id, drv_id);
- if (*block == NULL) {
- kfree(*arg);
- return -ENOMEM;
- }
- return retval;
-}
-
-/*
- * sst_clean_stream - clean the stream context
- *
- * @stream: stream structure
- *
- * this function resets the stream contexts
- * should be called in free
- */
-void sst_clean_stream(struct stream_info *stream)
-{
- stream->status = STREAM_UN_INIT;
- stream->prev = STREAM_UN_INIT;
- mutex_lock(&stream->lock);
- stream->cumm_bytes = 0;
- mutex_unlock(&stream->lock);
-}
-
-int sst_prepare_and_post_msg(struct intel_sst_drv *sst,
- int task_id, int ipc_msg, int cmd_id, int pipe_id,
- size_t mbox_data_len, const void *mbox_data, void **data,
- bool large, bool fill_dsp, bool sync, bool response)
-{
- struct ipc_post *msg = NULL;
- struct ipc_dsp_hdr dsp_hdr;
- struct sst_block *block;
- int ret = 0, pvt_id;
-
- pvt_id = sst_assign_pvt_id(sst);
- if (pvt_id < 0)
- return pvt_id;
-
- if (response)
- ret = sst_create_block_and_ipc_msg(
- &msg, large, sst, &block, ipc_msg, pvt_id);
- else
- ret = sst_create_ipc_msg(&msg, large);
-
- if (ret < 0) {
- test_and_clear_bit(pvt_id, &sst->pvt_id);
- return -ENOMEM;
- }
-
- dev_dbg(sst->dev, "pvt_id = %d, pipe id = %d, task = %d ipc_msg: %d\n",
- pvt_id, pipe_id, task_id, ipc_msg);
- sst_fill_header_mrfld(&msg->mrfld_header, ipc_msg,
- task_id, large, pvt_id);
- msg->mrfld_header.p.header_low_payload = sizeof(dsp_hdr) + mbox_data_len;
- msg->mrfld_header.p.header_high.part.res_rqd = !sync;
- dev_dbg(sst->dev, "header:%x\n",
- msg->mrfld_header.p.header_high.full);
- dev_dbg(sst->dev, "response rqd: %x",
- msg->mrfld_header.p.header_high.part.res_rqd);
- dev_dbg(sst->dev, "msg->mrfld_header.p.header_low_payload:%d",
- msg->mrfld_header.p.header_low_payload);
- if (fill_dsp) {
- sst_fill_header_dsp(&dsp_hdr, cmd_id, pipe_id, mbox_data_len);
- memcpy(msg->mailbox_data, &dsp_hdr, sizeof(dsp_hdr));
- if (mbox_data_len) {
- memcpy(msg->mailbox_data + sizeof(dsp_hdr),
- mbox_data, mbox_data_len);
- }
- }
-
- if (sync)
- sst->ops->post_message(sst, msg, true);
- else
- sst_add_to_dispatch_list_and_post(sst, msg);
-
- if (response) {
- ret = sst_wait_timeout(sst, block);
- if (ret < 0) {
- goto out;
- } else if(block->data) {
- if (!data)
- goto out;
- *data = kzalloc(block->size, GFP_KERNEL);
- if (!(*data)) {
- ret = -ENOMEM;
- goto out;
- } else
- memcpy(data, (void *) block->data, block->size);
- }
- }
-out:
- if (response)
- sst_free_block(sst, block);
- test_and_clear_bit(pvt_id, &sst->pvt_id);
- return ret;
-}
-
-int sst_pm_runtime_put(struct intel_sst_drv *sst_drv)
-{
- int ret;
-
- pm_runtime_mark_last_busy(sst_drv->dev);
- ret = pm_runtime_put_autosuspend(sst_drv->dev);
- if (ret < 0)
- return ret;
- return 0;
-}
-
-void sst_fill_header_mrfld(union ipc_header_mrfld *header,
- int msg, int task_id, int large, int drv_id)
-{
- header->full = 0;
- header->p.header_high.part.msg_id = msg;
- header->p.header_high.part.task_id = task_id;
- header->p.header_high.part.large = large;
- header->p.header_high.part.drv_id = drv_id;
- header->p.header_high.part.done = 0;
- header->p.header_high.part.busy = 1;
- header->p.header_high.part.res_rqd = 1;
-}
-
-void sst_fill_header_dsp(struct ipc_dsp_hdr *dsp, int msg,
- int pipe_id, int len)
-{
- dsp->cmd_id = msg;
- dsp->mod_index_id = 0xff;
- dsp->pipe_id = pipe_id;
- dsp->length = len;
- dsp->mod_id = 0;
-}
-
-#define SST_MAX_BLOCKS 15
-/*
- * sst_assign_pvt_id - assign a pvt id for stream
- *
- * @sst_drv_ctx : driver context
- *
- * this function assigns a private id for calls that dont have stream
- * context yet, should be called with lock held
- * uses bits for the id, and finds first free bits and assigns that
- */
-int sst_assign_pvt_id(struct intel_sst_drv *drv)
-{
- int local;
-
- spin_lock(&drv->block_lock);
- /* find first zero index from lsb */
- local = ffz(drv->pvt_id);
- dev_dbg(drv->dev, "pvt_id assigned --> %d\n", local);
- if (local >= SST_MAX_BLOCKS){
- spin_unlock(&drv->block_lock);
- dev_err(drv->dev, "PVT _ID error: no free id blocks ");
- return -EINVAL;
- }
- /* toggle the index */
- change_bit(local, &drv->pvt_id);
- spin_unlock(&drv->block_lock);
- return local;
-}
-
-void sst_init_stream(struct stream_info *stream,
- int codec, int sst_id, int ops, u8 slot)
-{
- stream->status = STREAM_INIT;
- stream->prev = STREAM_UN_INIT;
- stream->ops = ops;
-}
-
-int sst_validate_strid(
- struct intel_sst_drv *sst_drv_ctx, int str_id)
-{
- if (str_id <= 0 || str_id > sst_drv_ctx->info.max_streams) {
- dev_err(sst_drv_ctx->dev,
- "SST ERR: invalid stream id : %d, max %d\n",
- str_id, sst_drv_ctx->info.max_streams);
- return -EINVAL;
- }
-
- return 0;
-}
-
-struct stream_info *get_stream_info(
- struct intel_sst_drv *sst_drv_ctx, int str_id)
-{
- if (sst_validate_strid(sst_drv_ctx, str_id))
- return NULL;
- return &sst_drv_ctx->streams[str_id];
-}
-
-int get_stream_id_mrfld(struct intel_sst_drv *sst_drv_ctx,
- u32 pipe_id)
-{
- int i;
-
- for (i = 1; i <= sst_drv_ctx->info.max_streams; i++)
- if (pipe_id == sst_drv_ctx->streams[i].pipe_id)
- return i;
-
- dev_dbg(sst_drv_ctx->dev, "no such pipe_id(%u)", pipe_id);
- return -1;
-}
-
-u32 relocate_imr_addr_mrfld(u32 base_addr)
-{
- /* Get the difference from 512MB aligned base addr */
- /* relocate the base */
- base_addr = MRFLD_FW_VIRTUAL_BASE + (base_addr % (512 * 1024 * 1024));
- return base_addr;
-}
-EXPORT_SYMBOL_GPL(relocate_imr_addr_mrfld);
-
-void sst_add_to_dispatch_list_and_post(struct intel_sst_drv *sst,
- struct ipc_post *msg)
-{
- unsigned long irq_flags;
-
- spin_lock_irqsave(&sst->ipc_spin_lock, irq_flags);
- list_add_tail(&msg->node, &sst->ipc_dispatch_list);
- spin_unlock_irqrestore(&sst->ipc_spin_lock, irq_flags);
- sst->ops->post_message(sst, NULL, false);
-}