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M7350/kernel/sound/soc/codecs/wcd_cpe_services.c
T f75098198c M7350v5_en_gpl
2024-09-09 08:57:42 +00:00

2995 lines
72 KiB
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/* Copyright (c) 2014-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/sched.h>
#include <linux/completion.h>
#include <linux/kthread.h>
#include <linux/delay.h>
#include <linux/mfd/wcd9xxx/core.h>
#include <sound/cpe_cmi.h>
#include <sound/soc.h>
#include <linux/mfd/wcd9xxx/wcd9330_registers.h>
#include <linux/mfd/wcd9335/registers.h>
#include "wcd_cpe_services.h"
#include "wcd_cmi_api.h"
#define CPE_MSG_BUFFER_SIZE 132
#define CPE_NO_SERVICE 0
#define CMI_DRIVER_SUPPORTED_VERSION 0
#define CMI_API_SUCCESS 0
#define CMI_MSG_TRANSPORT (0x0002)
#define CPE_SVC_INACTIVE_STATE_RETRIES_MAX 10
#define TOMTOM_A_SVASS_SPE_DRAM_OFFSET 0x50000
#define TOMTOM_A_SVASS_SPE_DRAM_SIZE 0x30000
#define TOMTOM_A_SVASS_SPE_IRAM_OFFSET 0x80000
#define TOMTOM_A_SVASS_SPE_IRAM_SIZE 0xC000
#define TOMTOM_A_SVASS_SPE_INBOX_SIZE 12
#define TOMTOM_A_SVASS_SPE_OUTBOX_SIZE 12
#define MEM_ACCESS_NONE_VAL 0x0
#define MEM_ACCESS_IRAM_VAL 0x1
#define MEM_ACCESS_DRAM_VAL 0x2
#define LISTEN_CTL_SPE_VAL 0x0
#define LISTEN_CTL_MSM_VAL 0x1
#define TOMTOM_A_SVASS_SPE_INBOX(N) (TOMTOM_A_SVASS_SPE_INBOX_0 + (N))
#define TOMTOM_A_SVASS_SPE_OUTBOX(N) (TOMTOM_A_SVASS_SPE_OUTBOX_0 + (N))
#define WCD9335_CPE_SS_SPE_DRAM_OFFSET 0x48000
#define WCD9335_CPE_SS_SPE_DRAM_SIZE 0x34000
#define WCD9335_CPE_SS_SPE_IRAM_OFFSET 0x80000
#define WCD9335_CPE_SS_SPE_IRAM_SIZE 0x20000
#define WCD9335_CPE_SS_SPE_INBOX_SIZE 16
#define WCD9335_CPE_SS_SPE_OUTBOX_SIZE 16
#define WCD9335_CPE_SS_SPE_MEM_BANK_SIZ 16
#define WCD9335_CPE_SS_SPE_INBOX1(N) (WCD9335_CPE_SS_INBOX1_0 + (N))
#define WCD9335_CPE_SS_SPE_OUTBOX1(N) (WCD9335_CPE_SS_OUTBOX1_0 + (N))
#define WCD9335_CPE_SS_MEM_BANK(N) (WCD9335_CPE_SS_MEM_BANK_0 + (N))
#define CHUNK_SIZE 16
#define CPE_SVC_GRAB_LOCK(lock, name) \
{ \
pr_debug("%s: %s lock acquire\n", \
__func__, name); \
mutex_lock(lock); \
}
#define CPE_SVC_REL_LOCK(lock, name) \
{ \
pr_debug("%s: %s lock release\n", \
__func__, name); \
mutex_unlock(lock); \
}
static const struct cpe_svc_hw_cfg cpe_svc_tomtom_info = {
TOMTOM_A_SVASS_SPE_DRAM_SIZE,
TOMTOM_A_SVASS_SPE_DRAM_OFFSET,
TOMTOM_A_SVASS_SPE_IRAM_SIZE,
TOMTOM_A_SVASS_SPE_IRAM_OFFSET,
TOMTOM_A_SVASS_SPE_INBOX_SIZE,
TOMTOM_A_SVASS_SPE_OUTBOX_SIZE
};
static const struct cpe_svc_hw_cfg cpe_svc_wcd9335_info = {
WCD9335_CPE_SS_SPE_DRAM_SIZE,
WCD9335_CPE_SS_SPE_DRAM_OFFSET,
WCD9335_CPE_SS_SPE_IRAM_SIZE,
WCD9335_CPE_SS_SPE_IRAM_OFFSET,
WCD9335_CPE_SS_SPE_INBOX_SIZE,
WCD9335_CPE_SS_SPE_OUTBOX_SIZE
};
enum cpe_state {
CPE_STATE_UNINITIALIZED = 0,
CPE_STATE_INITIALIZED,
CPE_STATE_IDLE,
CPE_STATE_DOWNLOADING,
CPE_STATE_BOOTING,
CPE_STATE_SENDING_MSG,
CPE_STATE_OFFLINE,
CPE_STATE_BUFFERING,
CPE_STATE_BUFFERING_CANCELLED
};
enum cpe_substate {
CPE_SS_IDLE = 0,
CPE_SS_MSG_REQUEST_ACCESS,
CPE_SS_MSG_SEND_INBOX,
CPE_SS_MSG_SENT,
CPE_SS_DL_DOWNLOADING,
CPE_SS_DL_COMPLETED,
CPE_SS_BOOT,
CPE_SS_BOOT_INIT,
CPE_SS_ONLINE
};
enum cpe_command {
CPE_CMD_KILL_THREAD = 0,
CPE_CMD_BOOT,
CPE_CMD_BOOT_INITIALIZE,
CPE_CMD_BOOT_COMPLETE,
CPE_CMD_SEND_MSG,
CPE_CMD_SEND_TRANS_MSG,
CPE_CMD_SEND_MSG_COMPLETE,
CPE_CMD_PROCESS_IRQ,
CPE_CMD_RAMDUMP,
CPE_CMD_DL_SEGMENT,
CPE_CMD_SHUTDOWN,
CPE_CMD_RESET,
CPE_CMD_DEINITIALIZE,
CPE_CMD_READ,
CPE_CMD_ENABLE_LAB,
CPE_CMD_DISABLE_LAB,
CPE_CMD_SWAP_BUFFER,
CPE_LAB_CFG_SB,
CPE_CMD_CANCEL_MEMACCESS,
CPE_CMD_PROC_INCOMING_MSG,
CPE_CMD_FTM_TEST,
};
enum cpe_process_result {
CPE_PROC_SUCCESS = 0,
CPE_PROC_FAILED,
CPE_PROC_KILLED,
CPE_PROC_QUEUED,
};
struct cpe_command_node {
enum cpe_command command;
enum cpe_svc_result result;
void *data;
struct list_head list;
};
struct cpe_info {
struct list_head main_queue;
struct completion cmd_complete;
void *thread_handler;
bool stop_thread;
struct mutex msg_lock;
enum cpe_state state;
enum cpe_substate substate;
struct list_head client_list;
enum cpe_process_result (*cpe_process_command)
(struct cpe_command_node *command_node);
enum cpe_svc_result (*cpe_cmd_validate)
(const struct cpe_info *i,
enum cpe_command command);
enum cpe_svc_result (*cpe_start_notification)
(struct cpe_info *i);
u32 initialized;
struct cpe_svc_tgt_abstraction *tgt;
void *pending;
void *data;
void *client_context;
u32 codec_id;
struct work_struct clk_plan_work;
struct completion core_svc_cmd_compl;
};
struct cpe_tgt_waiti_info {
u8 tgt_waiti_size;
u8 *tgt_waiti_data;
};
struct cpe_svc_tgt_abstraction {
enum cpe_svc_result (*tgt_boot) (int debug_mode);
u32 (*tgt_cpar_init_done) (void);
u32 (*tgt_is_active) (void);
enum cpe_svc_result (*tgt_reset) (void);
enum cpe_svc_result (*tgt_stop)(void);
enum cpe_svc_result (*tgt_read_mailbox)
(u8 *buffer, size_t size);
enum cpe_svc_result (*tgt_write_mailbox)
(u8 *buffer, size_t size);
enum cpe_svc_result (*tgt_read_ram)
(struct cpe_info *c,
struct cpe_svc_mem_segment *data);
enum cpe_svc_result (*tgt_write_ram)
(struct cpe_info *c,
const struct cpe_svc_mem_segment *data);
enum cpe_svc_result (*tgt_route_notification)
(enum cpe_svc_module module,
enum cpe_svc_route_dest dest);
enum cpe_svc_result (*tgt_set_debug_mode) (u32 enable);
const struct cpe_svc_hw_cfg *(*tgt_get_cpe_info) (void);
enum cpe_svc_result (*tgt_deinit)
(struct cpe_svc_tgt_abstraction *param);
enum cpe_svc_result (*tgt_voice_tx_lab)
(bool);
u8 *inbox;
u8 *outbox;
struct cpe_tgt_waiti_info *tgt_waiti_info;
};
static enum cpe_svc_result cpe_tgt_tomtom_init(
struct cpe_svc_codec_info_v1 *codec_info,
struct cpe_svc_tgt_abstraction *param);
static enum cpe_svc_result cpe_tgt_wcd9335_init(
struct cpe_svc_codec_info_v1 *codec_info,
struct cpe_svc_tgt_abstraction *param);
struct cpe_send_msg {
u8 *payload;
u32 isobm;
u32 address;
size_t size;
};
struct cpe_read_handle {
void *registration;
struct cpe_info t_info;
struct list_head buffers;
void *config;
};
struct generic_notification {
void (*notification)
(const struct cpe_svc_notification *parameter);
void (*cmi_notification)
(const struct cmi_api_notification *parameter);
};
struct cpe_notif_node {
struct generic_notification notif;
u32 mask;
u32 service;
const struct cpe_info *context;
const char *name;
u32 disabled;
struct list_head list;
};
struct cpe_priv {
struct cpe_info *cpe_default_handle;
void (*cpe_irq_control_callback)(u32 enable);
void (*cpe_query_freq_plans_cb)
(void *cdc_priv,
struct cpe_svc_cfg_clk_plan *clk_freq);
void (*cpe_change_freq_plan_cb)(void *cdc_priv,
u32 clk_freq);
u32 cpe_msg_buffer;
void *cpe_cmi_handle;
struct mutex cpe_api_mutex;
struct mutex cpe_svc_lock;
struct cpe_svc_boot_event cpe_debug_vector;
void *cdc_priv;
};
static struct cpe_priv cpe_d;
static enum cpe_svc_result __cpe_svc_shutdown(void *cpe_handle);
static enum cpe_svc_result cpe_is_command_valid(
const struct cpe_info *t_info,
enum cpe_command command);
static int cpe_register_read(u32 reg, u8 *val)
{
*(val) = snd_soc_read(cpe_d.cdc_priv, reg);
return 0;
}
static enum cpe_svc_result cpe_update_bits(u32 reg,
u32 mask, u32 value)
{
int ret = 0;
ret = snd_soc_update_bits(cpe_d.cdc_priv, reg,
mask, value);
if (ret < 0)
return CPE_SVC_FAILED;
return CPE_SVC_SUCCESS;
}
static int cpe_register_write(u32 reg, u32 val)
{
int ret = 0;
if (reg != TOMTOM_A_SVASS_MEM_BANK &&
reg != WCD9335_CPE_SS_MEM_BANK_0)
pr_debug("%s: reg = 0x%x, value = 0x%x\n",
__func__, reg, val);
ret = snd_soc_write(cpe_d.cdc_priv, reg, val);
if (ret < 0)
return CPE_SVC_FAILED;
return CPE_SVC_SUCCESS;
}
static int cpe_register_write_repeat(u32 reg, u8 *ptr, u32 to_write)
{
struct snd_soc_codec *codec = cpe_d.cdc_priv;
struct wcd9xxx *wcd9xxx = dev_get_drvdata(codec->dev->parent);
int ret = 0;
ret = wcd9xxx_slim_write_repeat(wcd9xxx, reg, to_write, ptr);
if (ret != 0)
pr_err("%s: slim_write_repeat failed\n", __func__);
if (ret < 0)
return CPE_SVC_FAILED;
return CPE_SVC_SUCCESS;
}
static bool cpe_register_read_autoinc_supported(void)
{
return true;
}
/* Called under msgq locked context */
static void cpe_cmd_received(struct cpe_info *t_info)
{
struct cpe_command_node *node = NULL;
enum cpe_process_result proc_rc = CPE_PROC_SUCCESS;
if (!t_info) {
pr_err("%s: Invalid thread info\n",
__func__);
return;
}
while (!list_empty(&t_info->main_queue)) {
if (proc_rc != CPE_PROC_SUCCESS)
break;
node = list_first_entry(&t_info->main_queue,
struct cpe_command_node, list);
if (!node)
break;
list_del(&node->list);
proc_rc = t_info->cpe_process_command(node);
pr_debug("%s: process command return %d\n",
__func__, proc_rc);
switch (proc_rc) {
case CPE_PROC_SUCCESS:
kfree(node);
break;
case CPE_PROC_FAILED:
kfree(node);
pr_err("%s: cmd failed\n", __func__);
break;
case CPE_PROC_KILLED:
break;
default:
list_add(&node->list, &(t_info->main_queue));
}
}
}
static int cpe_worker_thread(void *context)
{
struct cpe_info *t_info = (struct cpe_info *)context;
while (!kthread_should_stop()) {
wait_for_completion(&t_info->cmd_complete);
CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock");
cpe_cmd_received(t_info);
reinit_completion(&t_info->cmd_complete);
if (t_info->stop_thread)
goto unlock_and_exit;
CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock");
};
pr_debug("%s: thread exited\n", __func__);
return 0;
unlock_and_exit:
pr_debug("%s: thread stopped\n", __func__);
CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock");
return 0;
}
static void cpe_create_worker_thread(struct cpe_info *t_info)
{
INIT_LIST_HEAD(&t_info->main_queue);
init_completion(&t_info->cmd_complete);
t_info->stop_thread = false;
t_info->thread_handler = kthread_run(cpe_worker_thread,
(void *)t_info, "cpe-worker-thread");
pr_debug("%s: Created new worker thread\n",
__func__);
}
static void cpe_cleanup_worker_thread(struct cpe_info *t_info)
{
if (!t_info->thread_handler) {
pr_err("%s: thread not created\n", __func__);
return;
}
/*
* Wake up the command handler in case
* it is waiting for an command to be processed.
*/
CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock");
t_info->stop_thread = true;
complete(&t_info->cmd_complete);
CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock");
kthread_stop(t_info->thread_handler);
t_info->thread_handler = NULL;
}
static enum cpe_svc_result
cpe_send_cmd_to_thread(struct cpe_info *t_info,
enum cpe_command command, void *data,
bool high_prio)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_command_node *cmd = NULL;
rc = cpe_is_command_valid(t_info, command);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Invalid command %d\n",
__func__, command);
return rc;
}
cmd = kzalloc(sizeof(struct cpe_command_node),
GFP_ATOMIC);
if (!cmd) {
pr_err("%s: No memory for cmd node, size = %zu\n",
__func__, sizeof(struct cpe_command_node));
return CPE_SVC_NO_MEMORY;
}
cmd->command = command;
cmd->data = data;
CPE_SVC_GRAB_LOCK(&t_info->msg_lock, "msg_lock");
if (high_prio)
list_add(&(cmd->list),
&(t_info->main_queue));
else
list_add_tail(&(cmd->list),
&(t_info->main_queue));
complete(&t_info->cmd_complete);
CPE_SVC_REL_LOCK(&t_info->msg_lock, "msg_lock");
return rc;
}
static enum cpe_svc_result cpe_change_state(
struct cpe_info *t_info,
enum cpe_state state, enum cpe_substate ss)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
t_info->state = state;
t_info->substate = ss;
pr_debug("%s: current state: %d,%d, new_state: %d,%d\n",
__func__, t_info->state, t_info->substate,
state, ss);
return rc;
}
static enum cpe_svc_result
cpe_is_command_valid(const struct cpe_info *t_info,
enum cpe_command command)
{
enum cpe_svc_result rc = CPE_SVC_INVALID_HANDLE;
if (t_info && t_info->cpe_cmd_validate)
rc = t_info->cpe_cmd_validate(t_info, command);
else
pr_err("%s: invalid handle or callback\n",
__func__);
return rc;
}
static void cpe_notify_client(struct cpe_notif_node *client,
struct cpe_svc_notification *payload)
{
if (!client || !payload) {
pr_err("%s: invalid client or payload\n",
__func__);
return;
}
if (!(client->mask & payload->event)) {
pr_debug("%s: client mask 0x%x not registered for event 0x%x\n",
__func__, client->mask, payload->event);
return;
}
if (client->notif.notification && !client->disabled)
client->notif.notification(payload);
if ((client->mask & CPE_SVC_CMI_MSG) &&
client->notif.cmi_notification)
client->notif.cmi_notification(
(const struct cmi_api_notification *)payload);
}
static void cpe_broadcast_notification(const struct cpe_info *t_info,
struct cpe_svc_notification *payload)
{
struct cpe_notif_node *n = NULL;
if (!t_info || !payload) {
pr_err("%s: invalid handle\n", __func__);
return;
}
pr_debug("%s: notify clients, event = %d\n",
__func__, payload->event);
payload->private_data = cpe_d.cdc_priv;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
list_for_each_entry(n, &t_info->client_list, list) {
if (!(n->mask & CPE_SVC_CMI_MSG)) {
cpe_notify_client(n, payload);
}
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
}
static void *cpe_register_generic(struct cpe_info *t_info,
void notification_callback(
const struct cpe_svc_notification *parameter),
void cmi_callback(
const struct cmi_api_notification *parameter),
u32 mask, u32 service, const char *name)
{
struct cpe_notif_node *n = NULL;
n = kzalloc(sizeof(struct cpe_notif_node),
GFP_KERNEL);
if (!n) {
pr_err("%s: No memory for notification, size = %zu\n",
__func__, sizeof(struct cpe_notif_node));
return NULL;
}
n->mask = mask;
n->service = service;
n->notif.notification = notification_callback;
n->notif.cmi_notification = cmi_callback;
n->context = t_info;
n->disabled = false;
n->name = name;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
/* Make sure CPE core service is first */
if (service == CMI_CPE_CORE_SERVICE_ID)
list_add(&n->list, &t_info->client_list);
else
list_add_tail(&n->list, &t_info->client_list);
CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
return n;
}
static enum cpe_svc_result cpe_deregister_generic(struct cpe_info *t_info,
void *reg_handle)
{
struct cpe_notif_node *n = (struct cpe_notif_node *)reg_handle;
if (!t_info || !reg_handle) {
pr_err("%s: invalid handle\n", __func__);
return CPE_SVC_INVALID_HANDLE;
}
list_del(&(n->list));
kfree(reg_handle);
return CPE_SVC_SUCCESS;
}
static enum cpe_svc_result cpe_svc_tgt_init(struct cpe_svc_codec_info_v1 *i,
struct cpe_svc_tgt_abstraction *abs)
{
if (!i || !abs) {
pr_err("%s: Incorrect information provided\n",
__func__);
return CPE_SVC_FAILED;
}
switch (i->id) {
case CPE_SVC_CODEC_TOMTOM:
return cpe_tgt_tomtom_init(i, abs);
case CPE_SVC_CODEC_WCD9335:
return cpe_tgt_wcd9335_init(i, abs);
default:
pr_err("%s: Codec type %d not supported\n",
__func__, i->id);
return CPE_SVC_FAILED;
}
return CPE_SVC_SUCCESS;
}
static void cpe_notify_cmi_client(struct cpe_info *t_info, u8 *payload,
enum cpe_svc_result result)
{
struct cpe_notif_node *n = NULL;
struct cmi_api_notification notif;
struct cmi_hdr *hdr;
u8 service = 0;
if (!t_info || !payload) {
pr_err("%s: invalid payload/handle\n",
__func__);
return;
}
hdr = CMI_GET_HEADER(payload);
service = CMI_HDR_GET_SERVICE(hdr);
notif.event = CPE_SVC_CMI_MSG;
notif.result = result;
notif.message = payload;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
list_for_each_entry(n, &t_info->client_list, list) {
if ((n->mask & CPE_SVC_CMI_MSG) &&
n->service == service &&
n->notif.cmi_notification) {
n->notif.cmi_notification(&notif);
break;
}
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
}
static void cpe_toggle_irq_notification(struct cpe_info *t_info, u32 value)
{
if (cpe_d.cpe_irq_control_callback)
cpe_d.cpe_irq_control_callback(value);
}
static void cpe_command_cleanup(struct cpe_command_node *command_node)
{
switch (command_node->command) {
case CPE_CMD_SEND_MSG:
case CPE_CMD_SEND_TRANS_MSG:
case CPE_CMD_SEND_MSG_COMPLETE:
case CPE_CMD_SHUTDOWN:
case CPE_CMD_READ:
kfree(command_node->data);
command_node->data = NULL;
break;
default:
pr_err("%s: unhandled command\n",
__func__);
break;
}
}
static enum cpe_svc_result cpe_send_msg_to_inbox(
struct cpe_info *t_info, u32 opcode,
struct cpe_send_msg *msg)
{
size_t bytes = 0;
size_t inbox_size =
t_info->tgt->tgt_get_cpe_info()->inbox_size;
struct cmi_hdr *hdr;
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
memset(t_info->tgt->inbox, 0, inbox_size);
hdr = CMI_GET_HEADER(t_info->tgt->inbox);
CMI_HDR_SET_SESSION(hdr, 1);
CMI_HDR_SET_SERVICE(hdr, CMI_CPE_CORE_SERVICE_ID);
CMI_HDR_SET_VERSION(hdr, CMI_DRIVER_SUPPORTED_VERSION);
CMI_HDR_SET_OBM(hdr, CMI_OBM_FLAG_IN_BAND);
switch (opcode) {
case CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC: {
struct cmi_core_svc_cmd_shared_mem_alloc *m;
CMI_HDR_SET_OPCODE(hdr,
CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC);
CMI_HDR_SET_PAYLOAD_SIZE(hdr,
sizeof(struct cmi_core_svc_cmd_shared_mem_alloc));
m = (struct cmi_core_svc_cmd_shared_mem_alloc *)
CMI_GET_PAYLOAD(t_info->tgt->inbox);
m->size = CPE_MSG_BUFFER_SIZE;
pr_debug("send shared mem alloc msg to cpe inbox\n");
}
break;
case CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ:
CMI_HDR_SET_OPCODE(hdr,
CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ);
CMI_HDR_SET_PAYLOAD_SIZE(hdr, 0);
pr_debug("%s: Creating DRAM acces request msg\n",
__func__);
break;
case CPE_CMI_BASIC_RSP_OPCODE: {
struct cmi_basic_rsp_result *rsp;
CMI_HDR_SET_OPCODE(hdr,
CPE_CMI_BASIC_RSP_OPCODE);
CMI_HDR_SET_PAYLOAD_SIZE(hdr,
sizeof(struct cmi_basic_rsp_result));
rsp = (struct cmi_basic_rsp_result *)
CMI_GET_PAYLOAD(t_info->tgt->inbox);
rsp->status = 0;
pr_debug("%s: send basic response\n", __func__);
}
break;
default:
if (msg->address != 0) {
struct cmi_msg_transport *m = NULL;
struct cpe_svc_mem_segment mem_seg;
mem_seg.type = CPE_SVC_DATA_MEM;
if (msg->isobm) {
struct cmi_obm *obm = (struct cmi_obm *)
CMI_GET_PAYLOAD(msg->payload);
mem_seg.cpe_addr = obm->mem_handle;
mem_seg.data = (u8 *)obm->data_ptr.kvaddr;
mem_seg.size = obm->size;
t_info->tgt->tgt_write_ram(t_info, &mem_seg);
}
mem_seg.cpe_addr = msg->address;
mem_seg.data = msg->payload;
mem_seg.size = msg->size;
t_info->tgt->tgt_write_ram(t_info, &mem_seg);
hdr = CMI_GET_HEADER(t_info->tgt->inbox);
CMI_HDR_SET_OPCODE(hdr, CMI_MSG_TRANSPORT);
m = (struct cmi_msg_transport *)
CMI_GET_PAYLOAD(t_info->tgt->inbox);
m->addr = msg->address;
m->size = msg->size;
CMI_HDR_SET_PAYLOAD_SIZE(hdr,
sizeof(struct cmi_msg_transport));
} else {
memcpy(t_info->tgt->inbox, msg->payload,
msg->size);
}
break;
}
pr_debug("%s: sending message to cpe inbox\n",
__func__);
bytes = sizeof(struct cmi_hdr);
hdr = CMI_GET_HEADER(t_info->tgt->inbox);
bytes += CMI_HDR_GET_PAYLOAD_SIZE(hdr);
rc = t_info->tgt->tgt_write_mailbox(t_info->tgt->inbox, bytes);
return rc;
}
static bool cpe_is_cmd_clk_req(void *cmd)
{
struct cmi_hdr *hdr;
hdr = CMI_GET_HEADER(cmd);
if ((CMI_HDR_GET_SERVICE(hdr) ==
CMI_CPE_CORE_SERVICE_ID)) {
if (CMI_GET_OPCODE(cmd) ==
CPE_CORE_SVC_CMD_CLK_FREQ_REQUEST)
return true;
}
return false;
}
static enum cpe_svc_result cpe_process_clk_change_req(
struct cpe_info *t_info)
{
struct cmi_core_svc_cmd_clk_freq_request *req;
req = (struct cmi_core_svc_cmd_clk_freq_request *)
CMI_GET_PAYLOAD(t_info->tgt->outbox);
if (!cpe_d.cpe_change_freq_plan_cb) {
pr_err("%s: No support for clk freq change\n",
__func__);
return CPE_SVC_FAILED;
}
cpe_d.cpe_change_freq_plan_cb(cpe_d.cdc_priv,
req->clk_freq);
/*send a basic response*/
cpe_send_msg_to_inbox(t_info,
CPE_CMI_BASIC_RSP_OPCODE, NULL);
return CPE_SVC_SUCCESS;
}
static void cpe_process_irq_int(u32 irq,
struct cpe_info *t_info)
{
struct cpe_command_node temp_node;
struct cpe_send_msg *m;
u8 size = 0;
bool err_irq = false;
pr_debug("%s: irq = %u\n", __func__, irq);
if (!t_info) {
pr_err("%s: Invalid handle\n",
__func__);
return;
}
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
switch (irq) {
case CPE_IRQ_OUTBOX_IRQ:
size = t_info->tgt->tgt_get_cpe_info()->outbox_size;
t_info->tgt->tgt_read_mailbox(t_info->tgt->outbox, size);
break;
case CPE_IRQ_MEM_ACCESS_ERROR:
err_irq = true;
cpe_change_state(t_info, CPE_STATE_OFFLINE, CPE_SS_IDLE);
break;
case CPE_IRQ_WDOG_BITE:
case CPE_IRQ_RCO_WDOG_INT:
err_irq = true;
__cpe_svc_shutdown(t_info);
break;
case CPE_IRQ_FLL_LOCK_LOST:
default:
err_irq = true;
break;
}
if (err_irq) {
pr_err("%s: CPE error IRQ %u occured\n",
__func__, irq);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return;
}
switch (t_info->state) {
case CPE_STATE_BOOTING:
switch (t_info->substate) {
case CPE_SS_BOOT:
temp_node.command = CPE_CMD_BOOT_INITIALIZE;
temp_node.result = CPE_SVC_SUCCESS;
t_info->substate = CPE_SS_BOOT_INIT;
t_info->cpe_process_command(&temp_node);
break;
case CPE_SS_BOOT_INIT:
temp_node.command = CPE_CMD_BOOT_COMPLETE;
temp_node.result = CPE_SVC_SUCCESS;
t_info->substate = CPE_SS_ONLINE;
t_info->cpe_process_command(&temp_node);
break;
default:
pr_debug("%s: unhandled substate %d for state %d\n",
__func__, t_info->state, t_info->substate);
break;
}
break;
case CPE_STATE_SENDING_MSG:
m = (struct cpe_send_msg *)t_info->pending;
switch (t_info->substate) {
case CPE_SS_MSG_REQUEST_ACCESS:
cpe_send_cmd_to_thread(t_info,
CPE_CMD_SEND_TRANS_MSG, m, true);
break;
case CPE_SS_MSG_SEND_INBOX:
if (cpe_is_cmd_clk_req(t_info->tgt->outbox))
cpe_process_clk_change_req(t_info);
else
cpe_send_cmd_to_thread(t_info,
CPE_CMD_SEND_MSG_COMPLETE, m, true);
break;
default:
pr_debug("%s: unhandled substate %d for state %d\n",
__func__, t_info->state, t_info->substate);
break;
}
break;
case CPE_STATE_IDLE:
pr_debug("%s: Message received, notifying client\n",
__func__);
temp_node.command = CPE_CMD_PROC_INCOMING_MSG;
temp_node.data = NULL;
t_info->cpe_process_command(&temp_node);
break;
default:
pr_debug("%s: unhandled state %d\n",
__func__, t_info->state);
break;
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
}
static void broacast_boot_failed(void)
{
struct cpe_info *t_info = cpe_d.cpe_default_handle;
struct cpe_svc_notification payload;
payload.event = CPE_SVC_BOOT_FAILED;
payload.result = CPE_SVC_FAILED;
payload.payload = NULL;
if (t_info)
payload.private_data =
t_info->client_context;
cpe_broadcast_notification(t_info, &payload);
}
static enum cpe_svc_result broadcast_boot_event(
struct cpe_info *t_info)
{
struct cpe_svc_notification payload;
payload.event = CPE_SVC_ONLINE;
payload.result = CPE_SVC_SUCCESS;
payload.payload = NULL;
if (t_info)
payload.private_data =
t_info->client_context;
cpe_broadcast_notification(t_info, &payload);
return CPE_SVC_SUCCESS;
}
static enum cpe_process_result cpe_boot_initialize(struct cpe_info *t_info,
enum cpe_svc_result *cpe_rc)
{
enum cpe_process_result rc = CPE_SVC_FAILED;
struct cpe_svc_notification payload;
struct cmi_core_svc_event_system_boot *p = NULL;
if (CMI_GET_OPCODE(t_info->tgt->outbox) !=
CPE_CORE_SVC_EVENT_SYSTEM_BOOT) {
broacast_boot_failed();
return rc;
}
p = (struct cmi_core_svc_event_system_boot *)
CMI_GET_PAYLOAD(t_info->tgt->outbox);
if (p->status != CPE_BOOT_SUCCESS) {
pr_err("%s: cpe boot failed, status = %d\n",
__func__, p->status);
broacast_boot_failed();
return rc;
}
/* boot was successful */
if (p->version ==
CPE_CORE_VERSION_SYSTEM_BOOT_EVENT) {
cpe_d.cpe_debug_vector.debug_address =
p->sfr_buff_address;
cpe_d.cpe_debug_vector.debug_buffer_size =
p->sfr_buff_size;
cpe_d.cpe_debug_vector.status = p->status;
payload.event = CPE_SVC_BOOT;
payload.result = CPE_SVC_SUCCESS;
payload.payload = (void *)&cpe_d.cpe_debug_vector;
payload.private_data = t_info->client_context;
cpe_broadcast_notification(t_info, &payload);
}
cpe_change_state(t_info, CPE_STATE_BOOTING,
CPE_SS_BOOT_INIT);
(*cpe_rc) = cpe_send_msg_to_inbox(t_info,
CPE_CORE_SVC_CMD_SHARED_MEM_ALLOC, NULL);
rc = CPE_PROC_SUCCESS;
return rc;
}
static void cpe_svc_core_cmi_handler(
const struct cmi_api_notification *parameter)
{
struct cmi_hdr *hdr;
if (!parameter)
return;
pr_debug("%s: event = %d\n",
__func__, parameter->event);
if (parameter->event != CMI_API_MSG)
return;
hdr = (struct cmi_hdr *) parameter->message;
if (hdr->opcode == CPE_CMI_BASIC_RSP_OPCODE) {
struct cmi_basic_rsp_result *result;
result = (struct cmi_basic_rsp_result *)
((u8 *)parameter->message) + (sizeof(*hdr));
if (result->status)
pr_err("%s: error response, error code = %u\n",
__func__, result->status);
complete(&cpe_d.cpe_default_handle->core_svc_cmd_compl);
}
}
static void cpe_clk_plan_work(struct work_struct *work)
{
struct cpe_info *t_info = NULL;
size_t size = 0;
struct cpe_svc_cfg_clk_plan plan;
u8 *cmi_msg;
struct cmi_hdr *hdr;
int rc;
t_info = container_of(work, struct cpe_info, clk_plan_work);
if (!t_info) {
pr_err("%s: Invalid handle for cpe_info\n",
__func__);
return;
}
/* Register the core service */
cpe_d.cpe_cmi_handle = cmi_register(
cpe_svc_core_cmi_handler,
CMI_CPE_CORE_SERVICE_ID);
/* send the clk plan command */
if (!cpe_d.cpe_query_freq_plans_cb) {
pr_err("%s: No support for querying clk plans\n",
__func__);
return;
}
cpe_d.cpe_query_freq_plans_cb(cpe_d.cdc_priv, &plan);
size = sizeof(plan.current_clk_feq) +
sizeof(plan.num_clk_freqs);
size += plan.num_clk_freqs *
sizeof(plan.clk_freqs[0]);
cmi_msg = kzalloc(size + sizeof(struct cmi_hdr),
GFP_KERNEL);
if (!cmi_msg) {
pr_err("%s: no memory for cmi_msg\n",
__func__);
return;
}
hdr = (struct cmi_hdr *) cmi_msg;
CMI_HDR_SET_OPCODE(hdr,
CPE_CORE_SVC_CMD_CFG_CLK_PLAN);
CMI_HDR_SET_SERVICE(hdr, CMI_CPE_CORE_SERVICE_ID);
CMI_HDR_SET_SESSION(hdr, 1);
CMI_HDR_SET_VERSION(hdr, CMI_DRIVER_SUPPORTED_VERSION);
CMI_HDR_SET_PAYLOAD_SIZE(hdr, size);
memcpy(CMI_GET_PAYLOAD(cmi_msg), &plan,
size);
cmi_send_msg(cmi_msg);
/* Wait for clk plan command to complete */
rc = wait_for_completion_timeout(&t_info->core_svc_cmd_compl,
(10 * HZ));
if (!rc) {
pr_err("%s: clk plan cmd timed out\n",
__func__);
goto cmd_fail;
}
/* clk plan cmd is successful, send start notification */
if (t_info->cpe_start_notification)
t_info->cpe_start_notification(t_info);
else
pr_err("%s: no start notification\n",
__func__);
cmd_fail:
kfree(cmi_msg);
cmi_deregister(cpe_d.cpe_cmi_handle);
}
static enum cpe_process_result cpe_boot_complete(
struct cpe_info *t_info)
{
struct cmi_core_svc_cmdrsp_shared_mem_alloc *p = NULL;
if (CMI_GET_OPCODE(t_info->tgt->outbox) !=
CPE_CORE_SVC_CMDRSP_SHARED_MEM_ALLOC) {
broacast_boot_failed();
return CPE_PROC_FAILED;
}
p = (struct cmi_core_svc_cmdrsp_shared_mem_alloc *)
CMI_GET_PAYLOAD(t_info->tgt->outbox);
cpe_d.cpe_msg_buffer = p->addr;
if (cpe_d.cpe_msg_buffer == 0) {
pr_err("%s: Invalid cpe buffer for message\n",
__func__);
broacast_boot_failed();
return CPE_PROC_FAILED;
}
cpe_change_state(t_info, CPE_STATE_IDLE, CPE_SS_IDLE);
cpe_create_worker_thread(t_info);
if (t_info->codec_id != CPE_SVC_CODEC_TOMTOM) {
schedule_work(&t_info->clk_plan_work);
} else {
if (t_info->cpe_start_notification)
t_info->cpe_start_notification(t_info);
else
pr_err("%s: no start notification\n",
__func__);
}
pr_debug("%s: boot complete\n", __func__);
return CPE_SVC_SUCCESS;
}
static enum cpe_process_result cpe_process_send_msg(
struct cpe_info *t_info,
enum cpe_svc_result *cpe_rc,
struct cpe_command_node *command_node)
{
enum cpe_process_result rc = CPE_PROC_SUCCESS;
struct cpe_send_msg *m =
(struct cpe_send_msg *)command_node->data;
u32 size = m->size;
if (t_info->pending) {
pr_debug("%s: message queued\n", __func__);
*cpe_rc = CPE_SVC_SUCCESS;
return CPE_PROC_QUEUED;
}
pr_debug("%s: Send CMI message, size = %u\n",
__func__, size);
if (size <= t_info->tgt->tgt_get_cpe_info()->inbox_size) {
pr_debug("%s: Msg fits mailbox, size %u\n",
__func__, size);
cpe_change_state(t_info, CPE_STATE_SENDING_MSG,
CPE_SS_MSG_SEND_INBOX);
t_info->pending = m;
*cpe_rc = cpe_send_msg_to_inbox(t_info, 0, m);
} else if (size < CPE_MSG_BUFFER_SIZE) {
m->address = cpe_d.cpe_msg_buffer;
pr_debug("%s: Message req CMI mem access\n",
__func__);
t_info->pending = m;
cpe_change_state(t_info, CPE_STATE_SENDING_MSG,
CPE_SS_MSG_REQUEST_ACCESS);
*cpe_rc = cpe_send_msg_to_inbox(t_info,
CPE_CORE_SVC_CMD_DRAM_ACCESS_REQ, m);
} else {
pr_debug("%s: Invalid msg size %u\n",
__func__, size);
cpe_command_cleanup(command_node);
rc = CPE_PROC_FAILED;
cpe_change_state(t_info, CPE_STATE_IDLE,
CPE_SS_IDLE);
}
return rc;
}
static enum cpe_process_result cpe_process_incoming(
struct cpe_info *t_info)
{
enum cpe_process_result rc = CPE_PROC_FAILED;
struct cmi_hdr *hdr;
hdr = CMI_GET_HEADER(t_info->tgt->outbox);
if (CMI_HDR_GET_SERVICE(hdr) ==
CMI_CPE_CORE_SERVICE_ID) {
pr_debug("%s: core service message received\n",
__func__);
switch (CMI_GET_OPCODE(t_info->tgt->outbox)) {
case CPE_CORE_SVC_CMD_CLK_FREQ_REQUEST:
cpe_process_clk_change_req(t_info);
rc = CPE_PROC_SUCCESS;
break;
case CMI_MSG_TRANSPORT:
pr_debug("%s: transport msg received\n",
__func__);
rc = CPE_PROC_SUCCESS;
break;
case CPE_CMI_BASIC_RSP_OPCODE:
pr_debug("%s: received basic rsp\n",
__func__);
rc = CPE_PROC_SUCCESS;
break;
default:
pr_debug("%s: unknown message received\n",
__func__);
break;
}
} else {
/* if service id if for a CMI client, notify client */
pr_debug("%s: Message received, notifying client\n",
__func__);
cpe_notify_cmi_client(t_info,
t_info->tgt->outbox, CPE_SVC_SUCCESS);
rc = CPE_PROC_SUCCESS;
}
return rc;
}
static enum cpe_process_result cpe_process_kill_thread(
struct cpe_info *t_info,
struct cpe_command_node *command_node)
{
struct cpe_svc_notification payload;
cpe_d.cpe_msg_buffer = 0;
payload.result = CPE_SVC_SHUTTING_DOWN;
payload.event = CPE_SVC_OFFLINE;
payload.payload = NULL;
payload.private_data = t_info->client_context;
/*
* Make state as offline before broadcasting
* the message to clients.
*/
cpe_change_state(t_info, CPE_STATE_OFFLINE,
CPE_SS_IDLE);
cpe_broadcast_notification(t_info, &payload);
return CPE_PROC_KILLED;
}
static enum cpe_process_result cpe_mt_process_cmd(
struct cpe_command_node *command_node)
{
struct cpe_info *t_info = cpe_d.cpe_default_handle;
enum cpe_svc_result cpe_rc = CPE_SVC_SUCCESS;
enum cpe_process_result rc = CPE_PROC_SUCCESS;
struct cpe_send_msg *m;
struct cmi_hdr *hdr;
u8 service = 0;
u8 retries = 0;
if (!t_info || !command_node) {
pr_err("%s: Invalid handle/command node\n",
__func__);
return CPE_PROC_FAILED;
}
pr_debug("%s: cmd = %u\n", __func__, command_node->command);
cpe_rc = cpe_is_command_valid(t_info, command_node->command);
if (cpe_rc != CPE_SVC_SUCCESS) {
pr_err("%s: Invalid command %d, err = %d\n",
__func__, command_node->command, cpe_rc);
return CPE_PROC_FAILED;
}
switch (command_node->command) {
case CPE_CMD_BOOT_INITIALIZE:
rc = cpe_boot_initialize(t_info, &cpe_rc);
break;
case CPE_CMD_BOOT_COMPLETE:
rc = cpe_boot_complete(t_info);
break;
case CPE_CMD_SEND_MSG:
rc = cpe_process_send_msg(t_info, &cpe_rc,
command_node);
break;
case CPE_CMD_SEND_TRANS_MSG:
m = (struct cpe_send_msg *)command_node->data;
while (retries < CPE_SVC_INACTIVE_STATE_RETRIES_MAX) {
if (t_info->tgt->tgt_is_active()) {
++retries;
/* Wait for CPE to be inactive */
usleep_range(5000, 5100);
} else {
break;
}
}
pr_debug("%s: cpe inactive after %d attempts\n",
__func__, retries);
cpe_change_state(t_info, CPE_STATE_SENDING_MSG,
CPE_SS_MSG_SEND_INBOX);
rc = cpe_send_msg_to_inbox(t_info, 0, m);
break;
case CPE_CMD_SEND_MSG_COMPLETE:
hdr = CMI_GET_HEADER(t_info->tgt->outbox);
service = CMI_HDR_GET_SERVICE(hdr);
pr_debug("%s: msg send success, notifying clients\n",
__func__);
cpe_command_cleanup(command_node);
t_info->pending = NULL;
cpe_change_state(t_info,
CPE_STATE_IDLE, CPE_SS_IDLE);
cpe_notify_cmi_client(t_info,
t_info->tgt->outbox, CPE_SVC_SUCCESS);
break;
case CPE_CMD_PROC_INCOMING_MSG:
rc = cpe_process_incoming(t_info);
break;
case CPE_CMD_KILL_THREAD:
rc = cpe_process_kill_thread(t_info, command_node);
break;
default:
pr_err("%s: unhandled cpe cmd = %d\n",
__func__, command_node->command);
break;
}
if (cpe_rc != CPE_SVC_SUCCESS) {
pr_err("%s: failed to execute command\n", __func__);
if (t_info->pending) {
m = (struct cpe_send_msg *)t_info->pending;
cpe_notify_cmi_client(t_info, m->payload,
CPE_SVC_FAILED);
t_info->pending = NULL;
}
cpe_command_cleanup(command_node);
rc = CPE_PROC_FAILED;
cpe_change_state(t_info, CPE_STATE_IDLE,
CPE_SS_IDLE);
}
return rc;
}
static enum cpe_svc_result cpe_mt_validate_cmd(
const struct cpe_info *t_info,
enum cpe_command command)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
if ((t_info == NULL) || t_info->initialized == false) {
pr_err("%s: cpe service is not ready\n",
__func__);
return CPE_SVC_NOT_READY;
}
switch (t_info->state) {
case CPE_STATE_UNINITIALIZED:
case CPE_STATE_INITIALIZED:
switch (command) {
case CPE_CMD_RESET:
case CPE_CMD_DL_SEGMENT:
case CPE_CMD_RAMDUMP:
case CPE_CMD_PROCESS_IRQ:
case CPE_CMD_KILL_THREAD:
case CPE_CMD_DEINITIALIZE:
case CPE_CMD_FTM_TEST:
rc = CPE_SVC_SUCCESS;
break;
default:
rc = CPE_SVC_NOT_READY;
break;
}
break;
case CPE_STATE_DOWNLOADING:
switch (command) {
case CPE_CMD_RESET:
case CPE_CMD_DL_SEGMENT:
case CPE_CMD_BOOT:
case CPE_CMD_FTM_TEST:
rc = CPE_SVC_SUCCESS;
break;
default:
rc = CPE_SVC_NOT_READY;
break;
}
break;
case CPE_STATE_BOOTING:
switch (command) {
case CPE_CMD_PROCESS_IRQ:
case CPE_CMD_BOOT_INITIALIZE:
case CPE_CMD_BOOT_COMPLETE:
case CPE_CMD_SHUTDOWN:
rc = CPE_SVC_SUCCESS;
break;
case CPE_CMD_FTM_TEST:
rc = CPE_SVC_BUSY;
break;
default:
rc = CPE_SVC_NOT_READY;
break;
}
break;
case CPE_STATE_IDLE:
switch (command) {
case CPE_CMD_SEND_MSG:
case CPE_CMD_SEND_TRANS_MSG:
case CPE_CMD_SEND_MSG_COMPLETE:
case CPE_CMD_PROCESS_IRQ:
case CPE_CMD_RESET:
case CPE_CMD_SHUTDOWN:
case CPE_CMD_KILL_THREAD:
case CPE_CMD_PROC_INCOMING_MSG:
rc = CPE_SVC_SUCCESS;
break;
case CPE_CMD_FTM_TEST:
rc = CPE_SVC_BUSY;
break;
default:
rc = CPE_SVC_FAILED;
break;
}
break;
case CPE_STATE_SENDING_MSG:
switch (command) {
case CPE_CMD_SEND_MSG:
case CPE_CMD_SEND_TRANS_MSG:
case CPE_CMD_SEND_MSG_COMPLETE:
case CPE_CMD_PROCESS_IRQ:
case CPE_CMD_SHUTDOWN:
case CPE_CMD_KILL_THREAD:
case CPE_CMD_PROC_INCOMING_MSG:
rc = CPE_SVC_SUCCESS;
break;
case CPE_CMD_FTM_TEST:
rc = CPE_SVC_BUSY;
break;
default:
rc = CPE_SVC_FAILED;
break;
}
break;
case CPE_STATE_OFFLINE:
switch (command) {
case CPE_CMD_RESET:
case CPE_CMD_RAMDUMP:
case CPE_CMD_KILL_THREAD:
rc = CPE_SVC_SUCCESS;
break;
default:
rc = CPE_SVC_NOT_READY;
break;
}
break;
default:
pr_debug("%s: unhandled state %d\n",
__func__, t_info->state);
break;
}
if (rc != CPE_SVC_SUCCESS)
pr_err("%s: invalid command %d, state = %d\n",
__func__, command, t_info->state);
return rc;
}
void *cpe_svc_initialize(
void irq_control_callback(u32 enable),
const void *codec_info, void *context)
{
struct cpe_info *t_info = NULL;
const struct cpe_svc_hw_cfg *cap = NULL;
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_svc_init_param *init_context =
(struct cpe_svc_init_param *) context;
void *client_context = NULL;
if (cpe_d.cpe_default_handle &&
cpe_d.cpe_default_handle->initialized == true)
return (void *)cpe_d.cpe_default_handle;
cpe_d.cpe_query_freq_plans_cb = NULL;
cpe_d.cpe_change_freq_plan_cb = NULL;
if (context) {
client_context = init_context->context;
switch (init_context->version) {
case CPE_SVC_INIT_PARAM_V1:
cpe_d.cpe_query_freq_plans_cb =
init_context->query_freq_plans_cb;
cpe_d.cpe_change_freq_plan_cb =
init_context->change_freq_plan_cb;
break;
default:
break;
}
}
if (!cpe_d.cpe_default_handle) {
cpe_d.cpe_default_handle = kzalloc(sizeof(struct cpe_info),
GFP_KERNEL);
if (!cpe_d.cpe_default_handle) {
pr_err("%s: no memory for cpe handle, size = %zu\n",
__func__, sizeof(struct cpe_info));
goto err_register;
}
memset(cpe_d.cpe_default_handle, 0,
sizeof(struct cpe_info));
}
t_info = cpe_d.cpe_default_handle;
t_info->client_context = client_context;
INIT_LIST_HEAD(&t_info->client_list);
cpe_d.cdc_priv = client_context;
INIT_WORK(&t_info->clk_plan_work, cpe_clk_plan_work);
init_completion(&t_info->core_svc_cmd_compl);
t_info->tgt = kzalloc(sizeof(struct cpe_svc_tgt_abstraction),
GFP_KERNEL);
if (!t_info->tgt) {
pr_err("%s: target allocation failed, size = %zu\n",
__func__,
sizeof(struct cpe_svc_tgt_abstraction));
goto err_tgt_alloc;
}
t_info->codec_id =
((struct cpe_svc_codec_info_v1 *) codec_info)->id;
rc = cpe_svc_tgt_init((struct cpe_svc_codec_info_v1 *)codec_info,
t_info->tgt);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: target initialization failed, err = %d\n",
__func__, rc);
goto err_tgt_init;
}
cap = t_info->tgt->tgt_get_cpe_info();
memset(t_info->tgt->outbox, 0, cap->outbox_size);
memset(t_info->tgt->inbox, 0, cap->inbox_size);
mutex_init(&t_info->msg_lock);
cpe_d.cpe_irq_control_callback = irq_control_callback;
t_info->cpe_process_command = cpe_mt_process_cmd;
t_info->cpe_cmd_validate = cpe_mt_validate_cmd;
t_info->cpe_start_notification = broadcast_boot_event;
mutex_init(&cpe_d.cpe_api_mutex);
mutex_init(&cpe_d.cpe_svc_lock);
pr_debug("%s: cpe services initialized\n", __func__);
t_info->state = CPE_STATE_INITIALIZED;
t_info->initialized = true;
return t_info;
err_tgt_init:
kfree(t_info->tgt);
err_tgt_alloc:
kfree(cpe_d.cpe_default_handle);
cpe_d.cpe_default_handle = NULL;
err_register:
return NULL;
}
enum cpe_svc_result cpe_svc_deinitialize(void *cpe_handle)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_DEINITIALIZE);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Invalid command %d\n",
__func__, CPE_CMD_DEINITIALIZE);
return rc;
}
if (cpe_d.cpe_default_handle == t_info)
cpe_d.cpe_default_handle = NULL;
t_info->tgt->tgt_deinit(t_info->tgt);
cpe_change_state(t_info, CPE_STATE_UNINITIALIZED,
CPE_SS_IDLE);
mutex_destroy(&t_info->msg_lock);
kfree(t_info->tgt);
kfree(t_info);
mutex_destroy(&cpe_d.cpe_api_mutex);
mutex_destroy(&cpe_d.cpe_svc_lock);
return rc;
}
void *cpe_svc_register(void *cpe_handle,
void (*notification_callback)
(const struct cpe_svc_notification *parameter),
u32 mask, const char *name)
{
void *reg_handle;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!cpe_d.cpe_default_handle) {
cpe_d.cpe_default_handle = kzalloc(sizeof(struct cpe_info),
GFP_KERNEL);
if (!cpe_d.cpe_default_handle) {
pr_err("%s: no_mem for cpe handle, sz = %zu\n",
__func__, sizeof(struct cpe_info));
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return NULL;
}
memset(cpe_d.cpe_default_handle, 0,
sizeof(struct cpe_info));
}
if (!cpe_handle)
cpe_handle = cpe_d.cpe_default_handle;
reg_handle = cpe_register_generic((struct cpe_info *)cpe_handle,
notification_callback,
NULL,
mask, CPE_NO_SERVICE, name);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return reg_handle;
}
enum cpe_svc_result cpe_svc_deregister(void *cpe_handle, void *reg_handle)
{
enum cpe_svc_result rc;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!cpe_handle)
cpe_handle = cpe_d.cpe_default_handle;
rc = cpe_deregister_generic((struct cpe_info *)cpe_handle,
reg_handle);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_download_segment(void *cpe_handle,
const struct cpe_svc_mem_segment *segment)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_DL_SEGMENT);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_DL_SEGMENT);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
cpe_toggle_irq_notification(t_info, false);
t_info->state = CPE_STATE_DOWNLOADING;
t_info->substate = CPE_SS_DL_DOWNLOADING;
rc = t_info->tgt->tgt_write_ram(t_info, segment);
cpe_toggle_irq_notification(t_info, true);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_boot(void *cpe_handle, int debug_mode)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_BOOT);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_BOOT);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
if (rc == CPE_SVC_SUCCESS) {
t_info->tgt->tgt_boot(debug_mode);
t_info->state = CPE_STATE_BOOTING;
t_info->substate = CPE_SS_BOOT;
pr_debug("%s: cpe service booting\n",
__func__);
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_process_irq(void *cpe_handle, u32 cpe_irq)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
cpe_toggle_irq_notification(t_info, false);
cpe_process_irq_int(cpe_irq, t_info);
cpe_toggle_irq_notification(t_info, true);
return rc;
}
enum cpe_svc_result cpe_svc_route_notification(void *cpe_handle,
enum cpe_svc_module module, enum cpe_svc_route_dest dest)
{
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
enum cpe_svc_result rc = CPE_SVC_NOT_READY;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
if (t_info->tgt)
rc = t_info->tgt->tgt_route_notification(module, dest);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
static enum cpe_svc_result __cpe_svc_shutdown(void *cpe_handle)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
struct cpe_command_node *n = NULL;
struct cpe_command_node kill_cmd;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_SHUTDOWN);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_SHUTDOWN);
return rc;
}
while (!list_empty(&t_info->main_queue)) {
n = list_first_entry(&t_info->main_queue,
struct cpe_command_node, list);
if (n->command == CPE_CMD_SEND_MSG) {
cpe_notify_cmi_client(t_info, (u8 *)n->data,
CPE_SVC_SHUTTING_DOWN);
}
/*
* Since command cannot be processed,
* delete it from the list and perform cleanup
*/
list_del(&n->list);
cpe_command_cleanup(n);
kfree(n);
}
pr_debug("%s: cpe service OFFLINE state\n", __func__);
t_info->state = CPE_STATE_OFFLINE;
t_info->substate = CPE_SS_IDLE;
memset(&kill_cmd, 0, sizeof(kill_cmd));
kill_cmd.command = CPE_CMD_KILL_THREAD;
if (t_info->pending) {
struct cpe_send_msg *m =
(struct cpe_send_msg *)t_info->pending;
cpe_notify_cmi_client(t_info, m->payload,
CPE_SVC_SHUTTING_DOWN);
kfree(t_info->pending);
t_info->pending = NULL;
}
cpe_cleanup_worker_thread(t_info);
t_info->cpe_process_command(&kill_cmd);
return rc;
}
enum cpe_svc_result cpe_svc_shutdown(void *cpe_handle)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
rc = __cpe_svc_shutdown(cpe_handle);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_reset(void *cpe_handle)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_RESET);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_RESET);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
if (t_info && t_info->tgt) {
rc = t_info->tgt->tgt_reset();
pr_debug("%s: cpe services in INITIALIZED state\n",
__func__);
t_info->state = CPE_STATE_INITIALIZED;
t_info->substate = CPE_SS_IDLE;
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_ramdump(void *cpe_handle,
struct cpe_svc_mem_segment *buffer)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_RAMDUMP);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_RAMDUMP);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
if (t_info->tgt) {
rc = t_info->tgt->tgt_read_ram(t_info, buffer);
} else {
pr_err("%s: cpe service not ready\n", __func__);
rc = CPE_SVC_NOT_READY;
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_set_debug_mode(void *cpe_handle, u32 mode)
{
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
enum cpe_svc_result rc = CPE_SVC_INVALID_HANDLE;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
if (t_info->tgt)
rc = t_info->tgt->tgt_set_debug_mode(mode);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
const struct cpe_svc_hw_cfg *cpe_svc_get_hw_cfg(void *cpe_handle)
{
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
if (t_info->tgt)
return t_info->tgt->tgt_get_cpe_info();
return NULL;
}
void *cmi_register(
void notification_callback(
const struct cmi_api_notification *parameter),
u32 service)
{
void *reg_handle = NULL;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
reg_handle = cpe_register_generic(cpe_d.cpe_default_handle,
NULL,
notification_callback,
(CPE_SVC_CMI_MSG | CPE_SVC_OFFLINE |
CPE_SVC_ONLINE),
service,
"CMI_CLIENT");
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return reg_handle;
}
enum cmi_api_result cmi_deregister(void *reg_handle)
{
u32 clients = 0;
struct cpe_notif_node *n = NULL;
enum cmi_api_result rc = CMI_API_SUCCESS;
struct cpe_svc_notification payload;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
rc = (enum cmi_api_result) cpe_deregister_generic(
cpe_d.cpe_default_handle, reg_handle);
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
list_for_each_entry(n, &cpe_d.cpe_default_handle->client_list, list) {
if (n->mask & CPE_SVC_CMI_MSG)
clients++;
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_svc_lock, "cpe_svc");
if (clients == 0) {
payload.event = CPE_SVC_CMI_CLIENTS_DEREG;
payload.payload = NULL;
payload.result = CPE_SVC_SUCCESS;
cpe_broadcast_notification(cpe_d.cpe_default_handle, &payload);
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cmi_api_result cmi_send_msg(void *message)
{
enum cmi_api_result rc = CMI_API_SUCCESS;
struct cpe_send_msg *msg = NULL;
struct cmi_hdr *hdr;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
hdr = CMI_GET_HEADER(message);
msg = kzalloc(sizeof(struct cpe_send_msg),
GFP_ATOMIC);
if (!msg) {
pr_err("%s: no memory for cmi msg, sz = %zu\n",
__func__, sizeof(struct cpe_send_msg));
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return CPE_SVC_NO_MEMORY;
}
if (CMI_HDR_GET_OBM_FLAG(hdr) == CMI_OBM_FLAG_OUT_BAND)
msg->isobm = 1;
else
msg->isobm = 0;
msg->size = sizeof(struct cmi_hdr) +
CMI_HDR_GET_PAYLOAD_SIZE(hdr);
msg->payload = kzalloc(msg->size, GFP_ATOMIC);
if (!msg->payload) {
pr_err("%s: no memory for cmi payload, sz = %zd\n",
__func__, msg->size);
kfree(msg);
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return CPE_SVC_NO_MEMORY;
}
msg->address = 0;
memcpy((void *)msg->payload, message, msg->size);
rc = (enum cmi_api_result) cpe_send_cmd_to_thread(
cpe_d.cpe_default_handle,
CPE_CMD_SEND_MSG,
(void *)msg, false);
if (rc != 0) {
pr_err("%s: Failed to queue message\n", __func__);
kfree(msg->payload);
kfree(msg);
}
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
enum cpe_svc_result cpe_svc_ftm_test(void *cpe_handle, u32 *status)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
struct cpe_svc_mem_segment backup_seg;
struct cpe_svc_mem_segment waiti_seg;
u8 *backup_data = NULL;
CPE_SVC_GRAB_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
if (!t_info)
t_info = cpe_d.cpe_default_handle;
rc = cpe_is_command_valid(t_info, CPE_CMD_FTM_TEST);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: cmd validation fail, cmd = %d\n",
__func__, CPE_CMD_FTM_TEST);
goto fail_cmd;
}
if (t_info && t_info->tgt) {
backup_data = kzalloc(
t_info->tgt->tgt_waiti_info->tgt_waiti_size,
GFP_KERNEL);
/* CPE reset */
rc = t_info->tgt->tgt_reset();
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: CPE reset fail! err = %d\n",
__func__, rc);
goto err_return;
}
/* Back up the 4 byte IRAM data first */
backup_seg.type = CPE_SVC_INSTRUCTION_MEM;
backup_seg.cpe_addr =
t_info->tgt->tgt_get_cpe_info()->IRAM_offset;
backup_seg.size = t_info->tgt->tgt_waiti_info->tgt_waiti_size;
backup_seg.data = backup_data;
pr_debug("%s: Backing up IRAM data from CPE\n",
__func__);
rc = t_info->tgt->tgt_read_ram(t_info, &backup_seg);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Fail to backup CPE IRAM data, err = %d\n",
__func__, rc);
goto err_return;
}
pr_debug("%s: Complete backing up IRAM data from CPE\n",
__func__);
/* Write the WAITI instruction data */
waiti_seg.type = CPE_SVC_INSTRUCTION_MEM;
waiti_seg.cpe_addr =
t_info->tgt->tgt_get_cpe_info()->IRAM_offset;
waiti_seg.size = t_info->tgt->tgt_waiti_info->tgt_waiti_size;
waiti_seg.data = t_info->tgt->tgt_waiti_info->tgt_waiti_data;
rc = t_info->tgt->tgt_write_ram(t_info, &waiti_seg);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Fail to write the WAITI data, err = %d\n",
__func__, rc);
goto restore_iram;
}
/* Boot up cpe to execute the WAITI instructions */
rc = t_info->tgt->tgt_boot(1);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Fail to boot CPE, err = %d\n",
__func__, rc);
goto reset;
}
/*
* 1ms delay is suggested by the hw team to
* wait for cpe to boot up.
*/
usleep_range(1000, 1100);
/* Check if the cpe init is done after executing the WAITI */
*status = t_info->tgt->tgt_cpar_init_done();
reset:
/* Set the cpe back to reset state */
rc = t_info->tgt->tgt_reset();
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: CPE reset fail! err = %d\n",
__func__, rc);
goto restore_iram;
}
restore_iram:
/* Restore the IRAM 4 bytes data */
rc = t_info->tgt->tgt_write_ram(t_info, &backup_seg);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Fail to restore the IRAM data, err = %d\n",
__func__, rc);
goto err_return;
}
}
err_return:
kfree(backup_data);
fail_cmd:
CPE_SVC_REL_LOCK(&cpe_d.cpe_api_mutex, "cpe_api");
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_boot(int debug_mode)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
if (!debug_mode)
rc = cpe_update_bits(TOMTOM_A_SVASS_CPAR_WDOG_CFG,
0x3F, 0x31);
else
pr_info("%s: CPE in debug mode, WDOG disabled\n",
__func__);
rc = cpe_update_bits(TOMTOM_A_SVASS_CLKRST_CTL,
0x02, 0x00);
rc = cpe_update_bits(TOMTOM_A_SVASS_CLKRST_CTL,
0x0C, 0x04);
rc = cpe_update_bits(TOMTOM_A_SVASS_CPAR_CFG,
0x01, 0x01);
return rc;
}
static u32 cpe_tgt_tomtom_is_cpar_init_done(void)
{
u8 status = 0;
cpe_register_read(TOMTOM_A_SVASS_STATUS, &status);
return status & 0x01;
}
static u32 cpe_tgt_tomtom_is_active(void)
{
u8 status = 0;
cpe_register_read(TOMTOM_A_SVASS_STATUS, &status);
return status & 0x04;
}
static enum cpe_svc_result cpe_tgt_tomtom_reset(void)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
rc = cpe_update_bits(TOMTOM_A_SVASS_CPAR_WDOG_CFG,
0x30, 0x00);
rc = cpe_update_bits(TOMTOM_A_SVASS_CPAR_CFG,
0x01, 0x00);
rc = cpe_update_bits(TOMTOM_A_MEM_LEAKAGE_CTL,
0x07, 0x03);
rc = cpe_update_bits(TOMTOM_A_SVASS_CLKRST_CTL,
0x08, 0x08);
rc = cpe_update_bits(TOMTOM_A_SVASS_CLKRST_CTL,
0x02, 0x02);
return rc;
}
enum cpe_svc_result cpe_tgt_tomtom_voicetx(bool enable)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 val = 0;
if (enable)
val = 0x02;
else
val = 0x00;
rc = cpe_update_bits(TOMTOM_A_SVASS_CFG,
0x02, val);
val = 0;
cpe_register_read(TOMTOM_A_SVASS_CFG, &val);
return rc;
}
enum cpe_svc_result cpe_svc_toggle_lab(void *cpe_handle, bool enable)
{
struct cpe_info *t_info = (struct cpe_info *)cpe_handle;
if (!t_info)
t_info = cpe_d.cpe_default_handle;
if (t_info->tgt)
return t_info->tgt->tgt_voice_tx_lab(enable);
else
return CPE_SVC_INVALID_HANDLE;
}
static enum cpe_svc_result cpe_tgt_tomtom_read_mailbox(u8 *buffer,
size_t size)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 cnt = 0;
if (size >= TOMTOM_A_SVASS_SPE_OUTBOX_SIZE)
size = TOMTOM_A_SVASS_SPE_OUTBOX_SIZE - 1;
for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++) {
rc = cpe_register_read(TOMTOM_A_SVASS_SPE_OUTBOX(cnt),
&(buffer[cnt]));
}
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_write_mailbox(u8 *buffer,
size_t size)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 cnt = 0;
if (size >= TOMTOM_A_SVASS_SPE_INBOX_SIZE)
size = TOMTOM_A_SVASS_SPE_INBOX_SIZE - 1;
for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++) {
rc = cpe_register_write(TOMTOM_A_SVASS_SPE_INBOX(cnt),
buffer[cnt]);
}
if (rc == CPE_SVC_SUCCESS)
rc = cpe_register_write(TOMTOM_A_SVASS_SPE_INBOX_TRG, 1);
return rc;
}
static enum cpe_svc_result cpe_get_mem_addr(struct cpe_info *t_info,
const struct cpe_svc_mem_segment *mem_seg,
u32 *addr, u8 *mem)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 offset, mem_sz, address;
u8 mem_type;
switch (mem_seg->type) {
case CPE_SVC_DATA_MEM:
mem_type = MEM_ACCESS_DRAM_VAL;
offset = TOMTOM_A_SVASS_SPE_DRAM_OFFSET;
mem_sz = TOMTOM_A_SVASS_SPE_DRAM_SIZE;
break;
case CPE_SVC_INSTRUCTION_MEM:
mem_type = MEM_ACCESS_IRAM_VAL;
offset = TOMTOM_A_SVASS_SPE_IRAM_OFFSET;
mem_sz = TOMTOM_A_SVASS_SPE_IRAM_SIZE;
break;
default:
pr_err("%s: Invalid mem type = %u\n",
__func__, mem_seg->type);
return CPE_SVC_INVALID_HANDLE;
}
if (mem_seg->cpe_addr < offset) {
pr_err("%s: Invalid addr %x for mem type %u\n",
__func__, mem_seg->cpe_addr, mem_type);
return CPE_SVC_INVALID_HANDLE;
}
address = mem_seg->cpe_addr - offset;
if (address + mem_seg->size > mem_sz) {
pr_err("%s: wrong size %zu, start adress %x, mem_type %u\n",
__func__, mem_seg->size, address, mem_type);
return CPE_SVC_INVALID_HANDLE;
}
(*addr) = address;
(*mem) = mem_type;
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_read_RAM(struct cpe_info *t_info,
struct cpe_svc_mem_segment *mem_seg)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 mem_reg_val = 0;
u32 cnt = 0;
bool autoinc;
u8 mem = MEM_ACCESS_NONE_VAL;
u32 addr = 0;
u32 ptr_update = true;
if (!mem_seg) {
pr_err("%s: Invalid mem segment\n",
__func__);
return CPE_SVC_INVALID_HANDLE;
}
rc = cpe_get_mem_addr(t_info, mem_seg, &addr, &mem);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Cannot obtain address, mem_type %u\n",
__func__, mem_seg->type);
return rc;
}
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_CTL, 0);
autoinc = cpe_register_read_autoinc_supported();
if (autoinc)
mem_reg_val |= 0x04;
mem_reg_val |= 0x08;
mem_reg_val |= mem;
do {
if (!autoinc || ptr_update) {
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR0,
(addr & 0xFF));
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR1,
((addr >> 8) & 0xFF));
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR2,
((addr >> 16) & 0xFF));
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_CTL,
mem_reg_val);
ptr_update = false;
}
rc = cpe_register_read(TOMTOM_A_SVASS_MEM_BANK,
&mem_seg->data[cnt]);
if (!autoinc)
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_CTL, 0);
} while (++cnt < mem_seg->size);
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_CTL, 0);
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_write_RAM(struct cpe_info *t_info,
const struct cpe_svc_mem_segment *mem_seg)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 mem_reg_val = 0;
u8 mem = MEM_ACCESS_NONE_VAL;
u32 addr = 0;
u8 *temp_ptr = NULL;
u32 temp_size = 0;
bool autoinc;
if (!mem_seg) {
pr_err("%s: Invalid mem segment\n",
__func__);
return CPE_SVC_INVALID_HANDLE;
}
rc = cpe_get_mem_addr(t_info, mem_seg, &addr, &mem);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Cannot obtain address, mem_type %u\n",
__func__, mem_seg->type);
return rc;
}
autoinc = cpe_register_read_autoinc_supported();
if (autoinc)
mem_reg_val |= 0x04;
mem_reg_val |= mem;
rc = cpe_update_bits(TOMTOM_A_SVASS_MEM_CTL,
0x0F, mem_reg_val);
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR0,
(addr & 0xFF));
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR1,
((addr >> 8) & 0xFF));
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_PTR2,
((addr >> 16) & 0xFF));
temp_size = 0;
temp_ptr = mem_seg->data;
while (temp_size <= mem_seg->size) {
u32 to_write = (mem_seg->size >= temp_size+CHUNK_SIZE)
? CHUNK_SIZE : (mem_seg->size-temp_size);
if (t_info->state == CPE_STATE_OFFLINE) {
pr_err("%s: CPE is offline\n", __func__);
return CPE_SVC_FAILED;
}
cpe_register_write_repeat(TOMTOM_A_SVASS_MEM_BANK,
temp_ptr, to_write);
temp_size += CHUNK_SIZE;
temp_ptr += CHUNK_SIZE;
}
rc = cpe_register_write(TOMTOM_A_SVASS_MEM_CTL, 0);
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_route_notification(
enum cpe_svc_module module,
enum cpe_svc_route_dest dest)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 ctl_reg_val = 0;
switch (module) {
case CPE_SVC_LISTEN_PROC:
switch (dest) {
case CPE_SVC_EXTERNAL:
ctl_reg_val = LISTEN_CTL_MSM_VAL;
break;
case CPE_SVC_INTERNAL:
ctl_reg_val = LISTEN_CTL_SPE_VAL;
break;
default:
pr_err("%s: Invalid dest %d\n",
__func__, dest);
return CPE_SVC_FAILED;
}
rc = cpe_update_bits(TOMTOM_A_SVASS_CFG,
0x01, ctl_reg_val);
break;
default:
pr_err("%s: Invalid module %d\n",
__func__, module);
rc = CPE_SVC_FAILED;
break;
}
return rc;
}
static enum cpe_svc_result cpe_tgt_tomtom_set_debug_mode(u32 enable)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 dbg_reg_val = 0x00;
if (enable)
dbg_reg_val = 0x08;
rc = cpe_update_bits(TOMTOM_A_SVASS_DEBUG,
0x08, dbg_reg_val);
return rc;
}
static const struct cpe_svc_hw_cfg *cpe_tgt_tomtom_get_cpe_info(void)
{
return &cpe_svc_tomtom_info;
}
static enum cpe_svc_result cpe_tgt_tomtom_deinit(
struct cpe_svc_tgt_abstraction *param)
{
kfree(param->inbox);
param->inbox = NULL;
kfree(param->outbox);
param->outbox = NULL;
memset(param, 0, sizeof(struct cpe_svc_tgt_abstraction));
return CPE_SVC_SUCCESS;
}
static u8 cpe_tgt_tomtom_waiti_data[] = {0x00, 0x70, 0x00, 0x00};
static struct cpe_tgt_waiti_info cpe_tgt_tomtom_waiti_info = {
.tgt_waiti_size = ARRAY_SIZE(cpe_tgt_tomtom_waiti_data),
.tgt_waiti_data = cpe_tgt_tomtom_waiti_data,
};
static enum cpe_svc_result cpe_tgt_tomtom_init(
struct cpe_svc_codec_info_v1 *codec_info,
struct cpe_svc_tgt_abstraction *param)
{
if (!codec_info)
return CPE_SVC_INVALID_HANDLE;
if (!param)
return CPE_SVC_INVALID_HANDLE;
if (codec_info->id == CPE_SVC_CODEC_TOMTOM) {
param->tgt_boot = cpe_tgt_tomtom_boot;
param->tgt_cpar_init_done = cpe_tgt_tomtom_is_cpar_init_done;
param->tgt_is_active = cpe_tgt_tomtom_is_active;
param->tgt_reset = cpe_tgt_tomtom_reset;
param->tgt_read_mailbox = cpe_tgt_tomtom_read_mailbox;
param->tgt_write_mailbox = cpe_tgt_tomtom_write_mailbox;
param->tgt_read_ram = cpe_tgt_tomtom_read_RAM;
param->tgt_write_ram = cpe_tgt_tomtom_write_RAM;
param->tgt_route_notification =
cpe_tgt_tomtom_route_notification;
param->tgt_set_debug_mode = cpe_tgt_tomtom_set_debug_mode;
param->tgt_get_cpe_info = cpe_tgt_tomtom_get_cpe_info;
param->tgt_deinit = cpe_tgt_tomtom_deinit;
param->tgt_voice_tx_lab = cpe_tgt_tomtom_voicetx;
param->tgt_waiti_info = &cpe_tgt_tomtom_waiti_info;
param->inbox = kzalloc(TOMTOM_A_SVASS_SPE_INBOX_SIZE,
GFP_KERNEL);
if (!param->inbox) {
pr_err("%s: no memory for inbox, sz = %d\n",
__func__, TOMTOM_A_SVASS_SPE_INBOX_SIZE);
return CPE_SVC_NO_MEMORY;
}
param->outbox = kzalloc(TOMTOM_A_SVASS_SPE_OUTBOX_SIZE,
GFP_KERNEL);
if (!param->outbox) {
kfree(param->inbox);
pr_err("%s: no memory for inbox, sz = %d\n",
__func__, TOMTOM_A_SVASS_SPE_OUTBOX_SIZE);
return CPE_SVC_NO_MEMORY;
}
}
return CPE_SVC_SUCCESS;
}
static enum cpe_svc_result cpe_tgt_wcd9335_boot(int debug_mode)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
if (!debug_mode)
rc |= cpe_update_bits(
WCD9335_CPE_SS_WDOG_CFG,
0x3f, 0x31);
else
pr_info("%s: CPE in debug mode, WDOG disabled\n",
__func__);
rc |= cpe_register_write(WCD9335_CPE_SS_CPARMAD_BUFRDY_INT_PERIOD, 19);
rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x04, 0x00);
rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x02, 0x02);
rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x01, 0x01);
if (unlikely(rc)) {
pr_err("%s: Failed to boot, err = %d\n",
__func__, rc);
rc = CPE_SVC_FAILED;
}
return rc;
}
static u32 cpe_tgt_wcd9335_is_cpar_init_done(void)
{
u8 temp = 0;
cpe_register_read(WCD9335_CPE_SS_STATUS, &temp);
return temp & 0x1;
}
static u32 cpe_tgt_wcd9335_is_active(void)
{
u8 temp = 0;
cpe_register_read(WCD9335_CPE_SS_STATUS, &temp);
return temp & 0x4;
}
static enum cpe_svc_result cpe_tgt_wcd9335_reset(void)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CFG, 0x01, 0x00);
rc |= cpe_register_write(
WCD9335_CODEC_RPM_PWR_CPE_IRAM_SHUTDOWN, 0x00);
rc |= cpe_register_write(
WCD9335_CODEC_RPM_PWR_CPE_DRAM1_SHUTDOWN, 0x00);
rc |= cpe_register_write(
WCD9335_CODEC_RPM_PWR_CPE_DRAM0_SHUTDOWN_1, 0x00);
rc |= cpe_register_write(
WCD9335_CODEC_RPM_PWR_CPE_DRAM0_SHUTDOWN_2, 0x00);
rc |= cpe_update_bits(WCD9335_CPE_SS_CPAR_CTL, 0x04, 0x04);
if (unlikely(rc)) {
pr_err("%s: failed to reset cpe, err = %d\n",
__func__, rc);
rc = CPE_SVC_FAILED;
}
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_read_mailbox(u8 *buffer,
size_t size)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 cnt = 0;
pr_debug("%s: size=%zd\n", __func__, size);
if (size > WCD9335_CPE_SS_SPE_OUTBOX_SIZE)
size = WCD9335_CPE_SS_SPE_OUTBOX_SIZE;
for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++)
rc = cpe_register_read(WCD9335_CPE_SS_SPE_OUTBOX1(cnt),
&buffer[cnt]);
rc = cpe_register_write(WCD9335_CPE_SS_OUTBOX1_ACK, 0x01);
if (unlikely(rc)) {
pr_err("%s: failed to ACK outbox, err = %d\n",
__func__, rc);
rc = CPE_SVC_FAILED;
}
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_write_mailbox(u8 *buffer,
size_t size)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 cnt = 0;
pr_debug("%s: size = %zd\n", __func__, size);
if (size > WCD9335_CPE_SS_SPE_INBOX_SIZE)
size = WCD9335_CPE_SS_SPE_INBOX_SIZE;
for (cnt = 0; (cnt < size) && (rc == CPE_SVC_SUCCESS); cnt++) {
rc |= cpe_register_write(WCD9335_CPE_SS_SPE_INBOX1(cnt),
buffer[cnt]);
}
if (unlikely(rc)) {
pr_err("%s: Error %d writing mailbox registers\n",
__func__, rc);
return rc;
}
rc = cpe_register_write(WCD9335_CPE_SS_INBOX1_TRG, 1);
return rc;
}
static enum cpe_svc_result cpe_wcd9335_get_mem_addr(struct cpe_info *t_info,
const struct cpe_svc_mem_segment *mem_seg,
u32 *addr, u8 *mem)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u32 offset, mem_sz, address;
u8 mem_type;
switch (mem_seg->type) {
case CPE_SVC_DATA_MEM:
mem_type = MEM_ACCESS_DRAM_VAL;
offset = WCD9335_CPE_SS_SPE_DRAM_OFFSET;
mem_sz = WCD9335_CPE_SS_SPE_DRAM_SIZE;
break;
case CPE_SVC_INSTRUCTION_MEM:
mem_type = MEM_ACCESS_IRAM_VAL;
offset = WCD9335_CPE_SS_SPE_IRAM_OFFSET;
mem_sz = WCD9335_CPE_SS_SPE_IRAM_SIZE;
break;
default:
pr_err("%s: Invalid mem type = %u\n",
__func__, mem_seg->type);
return CPE_SVC_INVALID_HANDLE;
}
if (mem_seg->cpe_addr < offset) {
pr_err("%s: Invalid addr %x for mem type %u\n",
__func__, mem_seg->cpe_addr, mem_type);
return CPE_SVC_INVALID_HANDLE;
}
address = mem_seg->cpe_addr - offset;
if (address + mem_seg->size > mem_sz) {
pr_err("%s: wrong size %zu, start adress %x, mem_type %u\n",
__func__, mem_seg->size, address, mem_type);
return CPE_SVC_INVALID_HANDLE;
}
(*addr) = address;
(*mem) = mem_type;
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_read_RAM(struct cpe_info *t_info,
struct cpe_svc_mem_segment *mem_seg)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 temp = 0;
u32 cnt = 0;
u8 mem = 0x0;
u32 addr = 0;
u32 lastaddr = 0;
u32 ptr_update = true;
bool autoinc;
if (!mem_seg) {
pr_err("%s: Invalid buffer\n", __func__);
return CPE_SVC_INVALID_HANDLE;
}
rc = cpe_wcd9335_get_mem_addr(t_info, mem_seg, &addr, &mem);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Cannot obtain address, mem_type %u\n",
__func__, mem_seg->type);
return rc;
}
rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0);
autoinc = cpe_register_read_autoinc_supported();
if (autoinc)
temp = 0x18;
else
temp = 0x10;
temp |= mem;
lastaddr = ~addr;
do {
if (!autoinc || (ptr_update)) {
/* write LSB only if modified */
if ((lastaddr & 0xFF) != (addr & 0xFF))
rc |= cpe_register_write(
WCD9335_CPE_SS_MEM_PTR_0,
(addr & 0xFF));
/* write middle byte only if modified */
if (((lastaddr >> 8) & 0xFF) != ((addr >> 8) & 0xFF))
rc |= cpe_register_write(
WCD9335_CPE_SS_MEM_PTR_1,
((addr>>8) & 0xFF));
/* write MSB only if modified */
if (((lastaddr >> 16) & 0xFF) != ((addr >> 16) & 0xFF))
rc |= cpe_register_write(
WCD9335_CPE_SS_MEM_PTR_2,
((addr>>16) & 0xFF));
rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, temp);
lastaddr = addr;
addr++;
ptr_update = false;
}
rc |= cpe_register_read(WCD9335_CPE_SS_MEM_BANK_0,
&mem_seg->data[cnt]);
if (!autoinc)
rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0);
} while ((++cnt < mem_seg->size) ||
(rc != CPE_SVC_SUCCESS));
rc |= cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0);
if (rc)
pr_err("%s: Failed to read registers, err = %d\n",
__func__, rc);
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_write_RAM(struct cpe_info *t_info,
const struct cpe_svc_mem_segment *mem_seg)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 mem_reg_val = 0;
u8 mem = MEM_ACCESS_NONE_VAL;
u32 addr = 0;
u8 *temp_ptr = NULL;
u32 temp_size = 0;
bool autoinc;
if (!mem_seg) {
pr_err("%s: Invalid mem segment\n",
__func__);
return CPE_SVC_INVALID_HANDLE;
}
rc = cpe_wcd9335_get_mem_addr(t_info, mem_seg, &addr, &mem);
if (rc != CPE_SVC_SUCCESS) {
pr_err("%s: Cannot obtain address, mem_type %u\n",
__func__, mem_seg->type);
return rc;
}
autoinc = cpe_register_read_autoinc_supported();
if (autoinc)
mem_reg_val = 0x18;
else
mem_reg_val = 0x10;
mem_reg_val |= mem;
rc = cpe_update_bits(WCD9335_CPE_SS_MEM_CTRL,
0x0F, mem_reg_val);
rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_0,
(addr & 0xFF));
rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_1,
((addr >> 8) & 0xFF));
rc = cpe_register_write(WCD9335_CPE_SS_MEM_PTR_2,
((addr >> 16) & 0xFF));
temp_size = 0;
temp_ptr = mem_seg->data;
while (temp_size <= mem_seg->size) {
u32 to_write = (mem_seg->size >= temp_size+CHUNK_SIZE)
? CHUNK_SIZE : (mem_seg->size - temp_size);
if (t_info->state == CPE_STATE_OFFLINE) {
pr_err("%s: CPE is offline\n", __func__);
return CPE_SVC_FAILED;
}
cpe_register_write_repeat(WCD9335_CPE_SS_MEM_BANK_0,
temp_ptr, to_write);
temp_size += CHUNK_SIZE;
temp_ptr += CHUNK_SIZE;
}
rc = cpe_register_write(WCD9335_CPE_SS_MEM_CTRL, 0);
if (rc)
pr_err("%s: Failed to write registers, err = %d\n",
__func__, rc);
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_route_notification(
enum cpe_svc_module module,
enum cpe_svc_route_dest dest)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
pr_debug("%s: Module = %d, Destination = %d\n",
__func__, module, dest);
switch (module) {
case CPE_SVC_LISTEN_PROC:
switch (dest) {
case CPE_SVC_EXTERNAL:
rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x01, 0x01);
break;
case CPE_SVC_INTERNAL:
rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x01, 0x00);
break;
default:
pr_err("%s: Invalid destination %d\n",
__func__, dest);
return CPE_SVC_FAILED;
}
break;
default:
pr_err("%s: Invalid module %d\n",
__func__, module);
rc = CPE_SVC_FAILED;
break;
}
return rc;
}
static enum cpe_svc_result cpe_tgt_wcd9335_set_debug_mode(u32 enable)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
pr_debug("%s: enable = %s\n", __func__,
(enable) ? "true" : "false");
return rc;
}
static const struct cpe_svc_hw_cfg *cpe_tgt_wcd9335_get_cpe_info(void)
{
return &cpe_svc_wcd9335_info;
}
static enum cpe_svc_result
cpe_tgt_wcd9335_deinit(struct cpe_svc_tgt_abstraction *param)
{
kfree(param->inbox);
param->inbox = NULL;
kfree(param->outbox);
param->outbox = NULL;
memset(param, 0, sizeof(struct cpe_svc_tgt_abstraction));
return CPE_SVC_SUCCESS;
}
static enum cpe_svc_result
cpe_tgt_wcd9335_voicetx(bool enable)
{
enum cpe_svc_result rc = CPE_SVC_SUCCESS;
u8 val = 0;
pr_debug("%s: enable = %u\n", __func__, enable);
if (enable)
val = 0x02;
else
val = 0x00;
rc = cpe_update_bits(WCD9335_CPE_SS_CFG, 0x02, val);
val = 0;
cpe_register_read(WCD9335_CPE_SS_CFG, &val);
return rc;
}
static u8 cpe_tgt_wcd9335_waiti_data[] = {0x00, 0x70, 0x00, 0x00};
static struct cpe_tgt_waiti_info cpe_tgt_wcd9335_waiti_info = {
.tgt_waiti_size = ARRAY_SIZE(cpe_tgt_wcd9335_waiti_data),
.tgt_waiti_data = cpe_tgt_wcd9335_waiti_data,
};
static enum cpe_svc_result cpe_tgt_wcd9335_init(
struct cpe_svc_codec_info_v1 *codec_info,
struct cpe_svc_tgt_abstraction *param)
{
if (!codec_info)
return CPE_SVC_INVALID_HANDLE;
if (!param)
return CPE_SVC_INVALID_HANDLE;
if (codec_info->id == CPE_SVC_CODEC_WCD9335) {
param->tgt_boot = cpe_tgt_wcd9335_boot;
param->tgt_cpar_init_done = cpe_tgt_wcd9335_is_cpar_init_done;
param->tgt_is_active = cpe_tgt_wcd9335_is_active;
param->tgt_reset = cpe_tgt_wcd9335_reset;
param->tgt_read_mailbox = cpe_tgt_wcd9335_read_mailbox;
param->tgt_write_mailbox = cpe_tgt_wcd9335_write_mailbox;
param->tgt_read_ram = cpe_tgt_wcd9335_read_RAM;
param->tgt_write_ram = cpe_tgt_wcd9335_write_RAM;
param->tgt_route_notification =
cpe_tgt_wcd9335_route_notification;
param->tgt_set_debug_mode = cpe_tgt_wcd9335_set_debug_mode;
param->tgt_get_cpe_info = cpe_tgt_wcd9335_get_cpe_info;
param->tgt_deinit = cpe_tgt_wcd9335_deinit;
param->tgt_voice_tx_lab = cpe_tgt_wcd9335_voicetx;
param->tgt_waiti_info = &cpe_tgt_wcd9335_waiti_info;
param->inbox = kzalloc(WCD9335_CPE_SS_SPE_INBOX_SIZE,
GFP_KERNEL);
if (!param->inbox) {
pr_err("%s: no memory for inbox, sz = %d\n",
__func__, WCD9335_CPE_SS_SPE_INBOX_SIZE);
return CPE_SVC_NO_MEMORY;
}
param->outbox = kzalloc(WCD9335_CPE_SS_SPE_OUTBOX_SIZE,
GFP_KERNEL);
if (!param->outbox) {
kfree(param->inbox);
pr_err("%s: no memory for inbox, sz = %d\n",
__func__, WCD9335_CPE_SS_SPE_OUTBOX_SIZE);
return CPE_SVC_NO_MEMORY;
}
}
return CPE_SVC_SUCCESS;
}
MODULE_DESCRIPTION("WCD CPE Services");
MODULE_LICENSE("GPL v2");
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